Esempio n. 1
0
void SPUse::delete_self() {
    // always delete uses which are used in flowtext
    if (parent && dynamic_cast<SPFlowregion *>(parent)) {
        deleteObject();
        return;
    }

    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    guint const mode = prefs->getInt("/options/cloneorphans/value",
                                               SP_CLONE_ORPHANS_UNLINK);

    if (mode == SP_CLONE_ORPHANS_UNLINK) {
        this->unlink();
    } else if (mode == SP_CLONE_ORPHANS_DELETE) {
        this->deleteObject();
    }
}
void
FontSubstitution::checkFontSubstitutions(SPDocument* doc)
{
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    int show_dlg = prefs->getInt("/options/font/substitutedlg", 0);
    if (show_dlg) {
        Glib::ustring out;
        GSList *l =  getFontReplacedItems(doc, &out);
        if (out.length() > 0) {
            show(out, l);
        }
        if (l) {
            g_slist_free(l);
            l = NULL;
        }
    }
}
Esempio n. 3
0
static void
sp_selection_layout_widget_update(SPWidget *spw, Inkscape::Selection *sel)
{
    if (g_object_get_data(G_OBJECT(spw), "update")) {
        return;
    }

    g_object_set_data(G_OBJECT(spw), "update", GINT_TO_POINTER(TRUE));

    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    using Geom::X;
    using Geom::Y;
    if ( sel && !sel->isEmpty() ) {
        int prefs_bbox = prefs->getInt("/tools/bounding_box", 0);
        SPItem::BBoxType bbox_type = (prefs_bbox ==0)?
            SPItem::VISUAL_BBOX : SPItem::GEOMETRIC_BBOX;
        Geom::OptRect const bbox(sel->bounds(bbox_type));
        if ( bbox ) {
            UnitTracker *tracker = reinterpret_cast<UnitTracker*>(g_object_get_data(G_OBJECT(spw), "tracker"));
            SPUnit const &unit = *tracker->getActiveUnit();

            struct { char const *key; double val; } const keyval[] = {
                { "X", bbox->min()[X] },
                { "Y", bbox->min()[Y] },
                { "width", bbox->dimensions()[X] },
                { "height", bbox->dimensions()[Y] }
            };

            if (unit.base == SP_UNIT_DIMENSIONLESS) {
                double const val = 1. / unit.unittobase;
                for (unsigned i = 0; i < G_N_ELEMENTS(keyval); ++i) {
                    GtkAdjustment *a = (GtkAdjustment *) g_object_get_data(G_OBJECT(spw), keyval[i].key);
                    gtk_adjustment_set_value(a, val);
                    tracker->setFullVal( a, keyval[i].val );
                }
            } else {
                for (unsigned i = 0; i < G_N_ELEMENTS(keyval); ++i) {
                    GtkAdjustment *a = (GtkAdjustment *) g_object_get_data(G_OBJECT(spw), keyval[i].key);
                    gtk_adjustment_set_value(a, sp_pixels_get_units(keyval[i].val, unit));
                }
            }
        }
    }

    g_object_set_data(G_OBJECT(spw), "update", GINT_TO_POINTER(FALSE));
}
Esempio n. 4
0
/*
 * set attributes via inner (t=t0) knot point:
 *   [default] increase/decrease inner point
 *   [shift]   increase/decrease inner and outer arg synchronizely
 *   [control] constrain inner arg to round per PI/4
 */
void
SpiralKnotHolderEntityInner::knot_set(Geom::Point const &p, Geom::Point const &origin, guint state)
{
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    int snaps = prefs->getInt("/options/rotationsnapsperpi/value", 12);

    SPSpiral *spiral = SP_SPIRAL(item);

    gdouble   dx = p[Geom::X] - spiral->cx;
    gdouble   dy = p[Geom::Y] - spiral->cy;

    gdouble   moved_y = p[Geom::Y] - origin[Geom::Y];

    if (state & GDK_MOD1_MASK) {
        // adjust divergence by vertical drag, relative to rad
        if (spiral->rad > 0) {
            double exp_delta = 0.1*moved_y/(spiral->rad); // arbitrary multiplier to slow it down
            spiral->exp += exp_delta;
            if (spiral->exp < 1e-3)
                spiral->exp = 1e-3;
        }
    } else {
        // roll/unroll from inside
        gdouble   arg_t0;
        spiral->getPolar(spiral->t0, NULL, &arg_t0);

        gdouble   arg_tmp = atan2(dy, dx) - arg_t0;
        gdouble   arg_t0_new = arg_tmp - floor((arg_tmp+M_PI)/(2.0*M_PI))*2.0*M_PI + arg_t0;
        spiral->t0 = (arg_t0_new - spiral->arg) / (2.0*M_PI*spiral->revo);

        /* round inner arg per PI/snaps, if CTRL is pressed */
        if ( ( state & GDK_CONTROL_MASK )
                && ( fabs(spiral->revo) > SP_EPSILON_2 )
                && ( snaps != 0 ) ) {
            gdouble arg = 2.0*M_PI*spiral->revo*spiral->t0 + spiral->arg;
            spiral->t0 = (sp_round(arg, M_PI/snaps) - spiral->arg)/(2.0*M_PI*spiral->revo);
        }

        spiral->t0 = CLAMP(spiral->t0, 0.0, 0.999);
    }

    (static_cast<SPObject *>(spiral))->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}
Esempio n. 5
0
static void
sp_usepath_move_compensate(Geom::Affine const *mp, SPItem *original, SPUsePath *self)
{
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    guint mode = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_PARALLEL);
    if (mode == SP_CLONE_COMPENSATION_NONE) {
        return;
    }
    SPItem *item = SP_ITEM(self->owner);

// TODO kill naughty naughty #if 0
#if 0
    Geom::Affine m(*mp);
    if (!(m.is_translation())) {
        return;
    }
    Geom::Affine const t(item->transform);
    Geom::Affine clone_move = t.inverse() * m * t;

    // Calculate the compensation matrix and the advertized movement matrix.
    Geom::Affine advertized_move;
    if (mode == SP_CLONE_COMPENSATION_PARALLEL) {
        //clone_move = clone_move.inverse();
        advertized_move.set_identity();
    } else if (mode == SP_CLONE_COMPENSATION_UNMOVED) {
        clone_move = clone_move.inverse() * m;
        advertized_move = m;
    } else {
        g_assert_not_reached();
    }

    // Commit the compensation.
    item->transform *= clone_move;
    sp_item_write_transform(item, item->getRepr(), item->transform, &advertized_move);
#else
    (void)mp;
    (void)original;
#endif

    self->sourceDirty = true;
    item->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}
static void
sp_offset_delete_self(SPObject */*deleted*/, SPOffset *offset)
{
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    guint const mode = prefs->getInt("/options/cloneorphans/value", SP_CLONE_ORPHANS_UNLINK);

    if (mode == SP_CLONE_ORPHANS_UNLINK) {
        // leave it be. just forget about the source
        sp_offset_quit_listening(offset);

        if ( offset->sourceHref ) {
            g_free(offset->sourceHref);
        }

        offset->sourceHref = NULL;
        offset->sourceRef->detach();
    } else if (mode == SP_CLONE_ORPHANS_DELETE) {
        offset->deleteObject();
    }
}
Esempio n. 7
0
/**
 * Dropper auxiliary toolbar construction and setup.
 *
 * TODO: Would like to add swatch of current color.
 * TODO: Add queue of last 5 or so colors selected with new swatches so that
 *       can drag and drop places. Will provide a nice mixing palette.
 */
void sp_dropper_toolbox_prep(SPDesktop * /*desktop*/, GtkActionGroup* mainActions, GObject* holder)
{
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    gint pickAlpha = prefs->getInt( "/tools/dropper/pick", 1 );

    {
        EgeOutputAction* act = ege_output_action_new( "DropperOpacityAction", _("Opacity:"), "", 0 );
        ege_output_action_set_use_markup( act, TRUE );
        gtk_action_group_add_action( mainActions, GTK_ACTION( act ) );
    }

    {
        InkToggleAction* act = ink_toggle_action_new( "DropperPickAlphaAction",
                                                      _("Pick opacity"),
                                                      _("Pick both the color and the alpha (transparency) under cursor; otherwise, pick only the visible color premultiplied by alpha"),
                                                      NULL,
                                                      Inkscape::ICON_SIZE_DECORATION );
        g_object_set( act, "short_label", _("Pick"), NULL );
        gtk_action_group_add_action( mainActions, GTK_ACTION( act ) );
        g_object_set_data( holder, "pick_action", act );
        gtk_toggle_action_set_active( GTK_TOGGLE_ACTION(act), pickAlpha );
        g_signal_connect_after( G_OBJECT(act), "toggled", G_CALLBACK(toggle_dropper_pick_alpha), holder );
    }

    {
        InkToggleAction* act = ink_toggle_action_new( "DropperSetAlphaAction",
                                                      _("Assign opacity"),
                                                      _("If alpha was picked, assign it to selection as fill or stroke transparency"),
                                                      NULL,
                                                      Inkscape::ICON_SIZE_DECORATION );
        g_object_set( act, "short_label", _("Assign"), NULL );
        gtk_action_group_add_action( mainActions, GTK_ACTION( act ) );
        g_object_set_data( holder, "set_action", act );
        gtk_toggle_action_set_active( GTK_TOGGLE_ACTION(act), prefs->getBool( "/tools/dropper/setalpha", true) );
        // make sure it's disabled if we're not picking alpha
        gtk_action_set_sensitive( GTK_ACTION(act), pickAlpha );
        g_signal_connect_after( G_OBJECT(act), "toggled", G_CALLBACK(toggle_dropper_set_alpha), holder );
    }
}
Esempio n. 8
0
void
lpetool_create_measuring_items(SPLPEToolContext *lc, Inkscape::Selection *selection)
{
    if (!selection) {
        selection = sp_desktop_selection(lc->desktop);
    }
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    bool show = prefs->getBool("/tools/lpetool/show_measuring_info",  true);

    SPPath *path;
    SPCurve *curve;
    SPCanvasText *canvas_text;
    SPCanvasGroup *tmpgrp = sp_desktop_tempgroup(lc->desktop);
    gchar *arc_length;
    double lengthval;

    for (GSList const *i = selection->itemList(); i != NULL; i = i->next) {
        if (SP_IS_PATH(i->data)) {
            path = SP_PATH(i->data);
            curve = sp_shape_get_curve(SP_SHAPE(path));
            Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2 = paths_to_pw(curve->get_pathvector());
            canvas_text = (SPCanvasText *) sp_canvastext_new(tmpgrp, lc->desktop, Geom::Point(0,0), "");
            if (!show)
                sp_canvas_item_hide(SP_CANVAS_ITEM(canvas_text));

            SPUnitId unitid = static_cast<SPUnitId>(prefs->getInt("/tools/lpetool/unitid", SP_UNIT_PX));
            SPUnit unit = sp_unit_get_by_id(unitid);

            lengthval = Geom::length(pwd2);
            gboolean success;
            success = sp_convert_distance(&lengthval, &sp_unit_get_by_id(SP_UNIT_PX), &unit);
            arc_length = g_strdup_printf("%.2f %s", lengthval, success ? sp_unit_get_abbreviation(&unit) : "px");
            sp_canvastext_set_text (canvas_text, arc_length);
            set_pos_and_anchor(canvas_text, pwd2, 0.5, 10);
            // TODO: must we free arc_length?
            (*lc->measuring_items)[path] = SP_CANVAS_ITEM(canvas_text);
        }
    }
}
static void sp_offset_move_compensate(Geom::Affine const *mp, SPItem */*original*/, SPOffset *self)
{
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    guint mode = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_PARALLEL);

    Geom::Affine m(*mp);

    if (!(m.isTranslation()) || mode == SP_CLONE_COMPENSATION_NONE) {
        self->sourceDirty=true;
        self->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
        return;
    }

    // calculate the compensation matrix and the advertized movement matrix
    self->readAttr("transform");

    Geom::Affine t = self->transform;
    Geom::Affine offset_move = t.inverse() * m * t;

    Geom::Affine advertized_move;
    if (mode == SP_CLONE_COMPENSATION_PARALLEL) {
        offset_move = offset_move.inverse() * m;
        advertized_move = m;
    } else if (mode == SP_CLONE_COMPENSATION_UNMOVED) {
        offset_move = offset_move.inverse();
        advertized_move.setIdentity();
    } else {
        g_assert_not_reached();
    }

    self->sourceDirty=true;

    // commit the compensation
    self->transform *= offset_move;
    self->doWriteTransform(self->getRepr(), self->transform, &advertized_move);
    self->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}
Esempio n. 10
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static void sp_font_selector_size_changed( GtkComboBox */*cbox*/, SPFontSelector *fsel )
{
    char *text = NULL;
#if GTK_CHECK_VERSION(2, 24,0)
    text = gtk_combo_box_text_get_active_text (GTK_COMBO_BOX_TEXT (fsel->size));
#else
    text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (fsel->size));
#endif
    gfloat old_size = fsel->fontsize;

    gchar *endptr;
    gdouble value = -1;
    if (text) {
        value = g_strtod (text, &endptr);
        if (endptr == text) // conversion failed, non-numeric input
            value = -1;
        free (text);
    }

    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    int max_size = prefs->getInt("/dialogs/textandfont/maxFontSize", 10000); // somewhat arbitrary, but text&font preview freezes with too huge fontsizes

    if (value <= 0) {
        return; // could not parse value 
    }
    if (value > max_size)
        value = max_size;

    fsel->fontsize = value;
    if ( fabs(fsel->fontsize-old_size) > 0.001)
    {
        fsel->fontsize_dirty = true;
    }

    sp_font_selector_emit_set (fsel);
}
Esempio n. 11
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void
lpetool_update_measuring_items(SPLPEToolContext *lc)
{
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    SPPath *path;
    SPCurve *curve;
    double lengthval;
    gchar *arc_length;
    std::map<SPPath *, SPCanvasItem*>::iterator i;
    for (i = lc->measuring_items->begin(); i != lc->measuring_items->end(); ++i) {
        path = i->first;
        curve = sp_shape_get_curve(SP_SHAPE(path));
        Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2 = Geom::paths_to_pw(curve->get_pathvector());
        SPUnitId unitid = static_cast<SPUnitId>(prefs->getInt("/tools/lpetool/unitid", SP_UNIT_PX));
        SPUnit unit = sp_unit_get_by_id(unitid);
        lengthval = Geom::length(pwd2);
        gboolean success;
        success = sp_convert_distance(&lengthval, &sp_unit_get_by_id(SP_UNIT_PX), &unit);
        arc_length = g_strdup_printf("%.2f %s", lengthval, success ? sp_unit_get_abbreviation(&unit) : "px");
        sp_canvastext_set_text (SP_CANVASTEXT(i->second), arc_length);
        set_pos_and_anchor(SP_CANVASTEXT(i->second), pwd2, 0.5, 10);
        // TODO: must we free arc_length?
    }
}
Esempio n. 12
0
GtkWidget * sp_gradient_vector_editor_new(SPGradient *gradient, SPStop *stop)
{
    if (dlg == NULL) {
        Inkscape::Preferences *prefs = Inkscape::Preferences::get();

        dlg = sp_window_new(_("Gradient editor"), TRUE);
        if (x == -1000 || y == -1000) {
            x = prefs->getInt(prefs_path + "x", -1000);
            y = prefs->getInt(prefs_path + "y", -1000);
        }
        if (w ==0 || h == 0) {
            w = prefs->getInt(prefs_path + "w", 0);
            h = prefs->getInt(prefs_path + "h", 0);
        }

        if (x<0) {
            x=0;
        }
        if (y<0) {
            y=0;
        }

        if (x != 0 || y != 0) {
            gtk_window_move(reinterpret_cast<GtkWindow *>(dlg), x, y);
        } else {
            gtk_window_set_position(GTK_WINDOW(dlg), GTK_WIN_POS_CENTER);
        }
        if (w && h) {
            gtk_window_resize(reinterpret_cast<GtkWindow *>(dlg), w, h);
        }
        sp_transientize(dlg);
        wd.win = dlg;
        wd.stop = 0;

        GObject *obj = G_OBJECT(dlg);
        sigc::connection *conn = NULL;

        conn = new sigc::connection(INKSCAPE.signal_activate_desktop.connect(sigc::bind(sigc::ptr_fun(&sp_transientize_callback), &wd)));
        g_object_set_data(obj, "desktop-activate-connection", conn);

        g_signal_connect(obj, "event", G_CALLBACK(sp_dialog_event_handler), dlg);
        g_signal_connect(obj, "destroy", G_CALLBACK(sp_gradient_vector_dialog_destroy), dlg);
        g_signal_connect(obj, "delete_event", G_CALLBACK(sp_gradient_vector_dialog_delete), dlg);

        conn = new sigc::connection(INKSCAPE.signal_shut_down.connect(
            sigc::hide_return(
            sigc::bind(sigc::ptr_fun(&sp_gradient_vector_dialog_delete), (GtkWidget *) NULL, (GdkEvent *) NULL, (GtkWidget *) NULL)
        )));
        g_object_set_data(obj, "shutdown-connection", conn);

        conn = new sigc::connection(INKSCAPE.signal_dialogs_hide.connect(sigc::bind(sigc::ptr_fun(&gtk_widget_hide), dlg)));
        g_object_set_data(obj, "dialog-hide-connection", conn);

        conn = new sigc::connection(INKSCAPE.signal_dialogs_unhide.connect(sigc::bind(sigc::ptr_fun(&gtk_widget_show), dlg)));
        g_object_set_data(obj, "dialog-unhide-connection", conn);

        gtk_container_set_border_width(GTK_CONTAINER(dlg), PAD);

        GtkWidget *wid = static_cast<GtkWidget*>(sp_gradient_vector_widget_new(gradient, stop));
        g_object_set_data(G_OBJECT(dlg), "gradient-vector-widget", wid);
        /* Connect signals */
        gtk_widget_show(wid);
        gtk_container_add(GTK_CONTAINER(dlg), wid);
    } else {
        // FIXME: temp fix for 0.38
        // Simply load_gradient into the editor does not work for multi-stop gradients,
        // as the stop list and other widgets are in a wrong state and crash readily.
        // Instead we just delete the window (by sending the delete signal)
        // and call sp_gradient_vector_editor_new again, so it creates the window anew.

        GdkEventAny event;
        GtkWidget *widget = static_cast<GtkWidget *>(dlg);
        event.type = GDK_DELETE;
        event.window = gtk_widget_get_window (widget);
        event.send_event = TRUE;
        g_object_ref(G_OBJECT(event.window));
        gtk_main_do_event(reinterpret_cast<GdkEvent*>(&event));
        g_object_unref(G_OBJECT(event.window));

        g_assert(dlg == NULL);
        sp_gradient_vector_editor_new(gradient, stop);
    }

    return dlg;
}
Esempio n. 13
0
static gint sp_box3d_context_root_handler(SPEventContext *event_context, GdkEvent *event)
{
    static bool dragging;

    SPDesktop *desktop = event_context->desktop;
    SPDocument *document = sp_desktop_document (desktop);
    Inkscape::Selection *selection = sp_desktop_selection (desktop);
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    int const snaps = prefs->getInt("/options/rotationsnapsperpi/value", 12);

    Box3DContext *bc = SP_BOX3D_CONTEXT(event_context);
    Persp3D *cur_persp = document->getCurrentPersp3D();

    event_context->tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100);

    gint ret = FALSE;
    switch (event->type) {
    case GDK_BUTTON_PRESS:
        if ( event->button.button == 1  && !event_context->space_panning) {
            Geom::Point const button_w(event->button.x,
                                       event->button.y);

            // save drag origin
            event_context->xp = (gint) button_w[Geom::X];
            event_context->yp = (gint) button_w[Geom::Y];
            event_context->within_tolerance = true;

            // remember clicked item, *not* disregarding groups (since a 3D box is a group), honoring Alt
            event_context->item_to_select = sp_event_context_find_item (desktop, button_w, event->button.state & GDK_MOD1_MASK, event->button.state & GDK_CONTROL_MASK);

            dragging = true;

            /*  */
            Geom::Point button_dt(desktop->w2d(button_w));
            bc->drag_origin = from_2geom(button_dt);
            bc->drag_ptB = from_2geom(button_dt);
            bc->drag_ptC = from_2geom(button_dt);

            // This can happen after saving when the last remaining perspective was purged and must be recreated.
            if (!cur_persp) {
                sp_box3d_context_ensure_persp_in_defs(document);
                cur_persp = document->getCurrentPersp3D();
            }

            /* Projective preimages of clicked point under current perspective */
            bc->drag_origin_proj = cur_persp->perspective_impl->tmat.preimage (from_2geom(button_dt), 0, Proj::Z);
            bc->drag_ptB_proj = bc->drag_origin_proj;
            bc->drag_ptC_proj = bc->drag_origin_proj;
            bc->drag_ptC_proj.normalize();
            bc->drag_ptC_proj[Proj::Z] = 0.25;

            /* Snap center */
            SnapManager &m = desktop->namedview->snap_manager;
            m.setup(desktop, true, bc->item);
            m.freeSnapReturnByRef(button_dt, Inkscape::SNAPSOURCE_NODE_HANDLE);
            bc->center = from_2geom(button_dt);

            sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->acetate),
                                ( GDK_KEY_PRESS_MASK |
                                  GDK_BUTTON_RELEASE_MASK       |
                                  GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK       |
                                  GDK_BUTTON_PRESS_MASK ),
                                NULL, event->button.time);
            ret = TRUE;
        }
        break;
    case GDK_MOTION_NOTIFY:
        if ( dragging
             && ( event->motion.state & GDK_BUTTON1_MASK )  && !event_context->space_panning)
        {
            if ( event_context->within_tolerance
                 && ( abs( (gint) event->motion.x - event_context->xp ) < event_context->tolerance )
                 && ( abs( (gint) event->motion.y - event_context->yp ) < event_context->tolerance ) ) {
                break; // do not drag if we're within tolerance from origin
            }
            // Once the user has moved farther than tolerance from the original location
            // (indicating they intend to draw, not click), then always process the
            // motion notify coordinates as given (no snapping back to origin)
            event_context->within_tolerance = false;

            Geom::Point const motion_w(event->motion.x,
                                       event->motion.y);
            Geom::Point motion_dt(desktop->w2d(motion_w));

            SnapManager &m = desktop->namedview->snap_manager;
            m.setup(desktop, true, bc->item);
            m.freeSnapReturnByRef(motion_dt, Inkscape::SNAPSOURCE_NODE_HANDLE);

            bc->ctrl_dragged  = event->motion.state & GDK_CONTROL_MASK;

            if (event->motion.state & GDK_SHIFT_MASK && !bc->extruded && bc->item) {
                // once shift is pressed, set bc->extruded
                bc->extruded = true;
            }

            if (!bc->extruded) {
                bc->drag_ptB = from_2geom(motion_dt);
                bc->drag_ptC = from_2geom(motion_dt);

                bc->drag_ptB_proj = cur_persp->perspective_impl->tmat.preimage (from_2geom(motion_dt), 0, Proj::Z);
                bc->drag_ptC_proj = bc->drag_ptB_proj;
                bc->drag_ptC_proj.normalize();
                bc->drag_ptC_proj[Proj::Z] = 0.25;
            } else {
                // Without Ctrl, motion of the extruded corner is constrained to the
                // perspective line from drag_ptB to vanishing point Y.
                if (!bc->ctrl_dragged) {
                    /* snapping */
                    Box3D::PerspectiveLine pline (bc->drag_ptB, Proj::Z, document->getCurrentPersp3D());
                    bc->drag_ptC = pline.closest_to (from_2geom(motion_dt));

                    bc->drag_ptB_proj.normalize();
                    bc->drag_ptC_proj = cur_persp->perspective_impl->tmat.preimage (bc->drag_ptC, bc->drag_ptB_proj[Proj::X], Proj::X);
                } else {
                    bc->drag_ptC = from_2geom(motion_dt);

                    bc->drag_ptB_proj.normalize();
                    bc->drag_ptC_proj = cur_persp->perspective_impl->tmat.preimage (from_2geom(motion_dt), bc->drag_ptB_proj[Proj::X], Proj::X);
                }
                m.freeSnapReturnByRef(bc->drag_ptC, Inkscape::SNAPSOURCE_NODE_HANDLE);
            }

            sp_box3d_drag(*bc, event->motion.state);

            ret = TRUE;
        } else if (!sp_event_context_knot_mouseover(bc)) {
            SnapManager &m = desktop->namedview->snap_manager;
            m.setup(desktop);

            Geom::Point const motion_w(event->motion.x, event->motion.y);
            Geom::Point motion_dt(desktop->w2d(motion_w));
            m.preSnap(Inkscape::SnapCandidatePoint(motion_dt, Inkscape::SNAPSOURCE_NODE_HANDLE));
        }
        break;
    case GDK_BUTTON_RELEASE:
        event_context->xp = event_context->yp = 0;
        if ( event->button.button == 1  && !event_context->space_panning) {
            dragging = false;
            sp_event_context_discard_delayed_snap_event(event_context);

            if (!event_context->within_tolerance) {
                // we've been dragging, finish the box
                sp_box3d_finish(bc);
            } else if (event_context->item_to_select) {
                // no dragging, select clicked item if any
                if (event->button.state & GDK_SHIFT_MASK) {
                    selection->toggle(event_context->item_to_select);
                } else {
                    selection->set(event_context->item_to_select);
                }
            } else {
                // click in an empty space
                selection->clear();
            }

            event_context->item_to_select = NULL;
            ret = TRUE;
            sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
                                  event->button.time);
        }
        break;
    case GDK_KEY_PRESS:
        switch (get_group0_keyval (&event->key)) {
        case GDK_Up:
        case GDK_Down:
        case GDK_KP_Up:
        case GDK_KP_Down:
            // prevent the zoom field from activation
            if (!MOD__CTRL_ONLY)
                ret = TRUE;
            break;

        case GDK_bracketright:
            persp3d_rotate_VP (document->getCurrentPersp3D(), Proj::X, -180/snaps, MOD__ALT);
            sp_document_done(document, SP_VERB_CONTEXT_3DBOX,
                             _("Change perspective (angle of PLs)"));
            ret = true;
            break;

        case GDK_bracketleft:
            persp3d_rotate_VP (document->getCurrentPersp3D(), Proj::X, 180/snaps, MOD__ALT);
            sp_document_done(document, SP_VERB_CONTEXT_3DBOX,
                             _("Change perspective (angle of PLs)"));
            ret = true;
            break;

        case GDK_parenright:
            persp3d_rotate_VP (document->getCurrentPersp3D(), Proj::Y, -180/snaps, MOD__ALT);
            sp_document_done(document, SP_VERB_CONTEXT_3DBOX,
                             _("Change perspective (angle of PLs)"));
            ret = true;
            break;

        case GDK_parenleft:
            persp3d_rotate_VP (document->getCurrentPersp3D(), Proj::Y, 180/snaps, MOD__ALT);
            sp_document_done(document, SP_VERB_CONTEXT_3DBOX,
                             _("Change perspective (angle of PLs)"));
            ret = true;
            break;

        case GDK_braceright:
            persp3d_rotate_VP (document->getCurrentPersp3D(), Proj::Z, -180/snaps, MOD__ALT);
            sp_document_done(document, SP_VERB_CONTEXT_3DBOX,
                             _("Change perspective (angle of PLs)"));
            ret = true;
            break;

        case GDK_braceleft:
            persp3d_rotate_VP (document->getCurrentPersp3D(), Proj::Z, 180/snaps, MOD__ALT);
            sp_document_done(document, SP_VERB_CONTEXT_3DBOX,
                             _("Change perspective (angle of PLs)"));
            ret = true;
            break;

        /* TODO: what is this???
        case GDK_O:
            if (MOD__CTRL && MOD__SHIFT) {
                Box3D::create_canvas_point(persp3d_get_VP(document()->getCurrentPersp3D(), Proj::W).affine(),
                                           6, 0xff00ff00);
            }
            ret = true;
            break;
        */

        case GDK_g:
        case GDK_G:
            if (MOD__SHIFT_ONLY) {
                sp_selection_to_guides(desktop);
                ret = true;
            }
            break;

        case GDK_p:
        case GDK_P:
            if (MOD__SHIFT_ONLY) {
                if (document->getCurrentPersp3D()) {
                    persp3d_print_debugging_info (document->getCurrentPersp3D());
                }
                ret = true;
            }
            break;

        case GDK_x:
        case GDK_X:
            if (MOD__ALT_ONLY) {
                desktop->setToolboxFocusTo ("altx-box3d");
                ret = TRUE;
            }
            if (MOD__SHIFT_ONLY) {
                persp3d_toggle_VPs(selection->perspList(), Proj::X);
                bc->_vpdrag->updateLines(); // FIXME: Shouldn't this be done automatically?
                ret = true;
            }
            break;

        case GDK_y:
        case GDK_Y:
            if (MOD__SHIFT_ONLY) {
                persp3d_toggle_VPs(selection->perspList(), Proj::Y);
                bc->_vpdrag->updateLines(); // FIXME: Shouldn't this be done automatically?
                ret = true;
            }
            break;

        case GDK_z:
        case GDK_Z:
            if (MOD__SHIFT_ONLY) {
                persp3d_toggle_VPs(selection->perspList(), Proj::Z);
                bc->_vpdrag->updateLines(); // FIXME: Shouldn't this be done automatically?
                ret = true;
            }
            break;

        case GDK_Escape:
            sp_desktop_selection(desktop)->clear();
            //TODO: make dragging escapable by Esc
            break;

        case GDK_space:
            if (dragging) {
                sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
                                      event->button.time);
                dragging = false;
                sp_event_context_discard_delayed_snap_event(event_context);
                if (!event_context->within_tolerance) {
                    // we've been dragging, finish the box
                    sp_box3d_finish(bc);
                }
                // do not return true, so that space would work switching to selector
            }
            break;

        default:
            break;
        }
        break;
    default:
        break;
    }

    if (!ret) {
        if (((SPEventContextClass *) parent_class)->root_handler) {
            ret = ((SPEventContextClass *) parent_class)->root_handler(event_context, event);
        }
    }

    return ret;
}
Esempio n. 14
0
bool LpeTool::root_handler(GdkEvent* event) {
    Inkscape::Selection *selection = desktop->getSelection();

    bool ret = false;

    if (this->hasWaitingLPE()) {
        // quit when we are waiting for a LPE to be applied
        //ret = ((ToolBaseClass *) sp_lpetool_context_parent_class)->root_handler(event_context, event);
	return PenTool::root_handler(event);
    }

    switch (event->type) {
        case GDK_BUTTON_PRESS:
            if (event->button.button == 1 && !this->space_panning) {
                if (this->mode == Inkscape::LivePathEffect::INVALID_LPE) {
                    // don't do anything for now if we are inactive (except clearing the selection
                    // since this was a click into empty space)
                    selection->clear();
                    desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Choose a construction tool from the toolbar."));
                    ret = true;
                    break;
                }

                // save drag origin
                this->xp = (gint) event->button.x;
                this->yp = (gint) event->button.y;
                this->within_tolerance = true;

                using namespace Inkscape::LivePathEffect;

                Inkscape::Preferences *prefs = Inkscape::Preferences::get();
                int mode = prefs->getInt("/tools/lpetool/mode");
                EffectType type = lpesubtools[mode].type;

                //bool over_stroke = lc->shape_editor->is_over_stroke(Geom::Point(event->button.x, event->button.y), true);

                this->waitForLPEMouseClicks(type, Inkscape::LivePathEffect::Effect::acceptsNumClicks(type));

                // we pass the mouse click on to pen tool as the first click which it should collect
                //ret = ((ToolBaseClass *) sp_lpetool_context_parent_class)->root_handler(event_context, event);
		ret = PenTool::root_handler(event);
            }
            break;


    case GDK_BUTTON_RELEASE:
    {
        /**
        break;
        **/
    }

    case GDK_KEY_PRESS:
        /**
        switch (get_group0_keyval (&event->key)) {
        }
        break;
        **/

    case GDK_KEY_RELEASE:
        /**
        switch (get_group0_keyval(&event->key)) {
            case GDK_Control_L:
            case GDK_Control_R:
                dc->_message_context->clear();
                break;
            default:
                break;
        }
        **/

    default:
        break;
    }

    if (!ret) {
    	ret = PenTool::root_handler(event);
    }

    return ret;
}
static void sp_gradient_drag(SPGradientContext &rc, Geom::Point const pt, guint /*state*/, guint32 etime)
{
    SPDesktop *desktop = SP_EVENT_CONTEXT(&rc)->desktop;
    Inkscape::Selection *selection = sp_desktop_selection(desktop);
    SPDocument *document = sp_desktop_document(desktop);
    SPEventContext *ec = SP_EVENT_CONTEXT(&rc);

    if (!selection->isEmpty()) {
        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
        int type = prefs->getInt("/tools/gradient/newgradient", 1);
        int fill_or_stroke = prefs->getInt("/tools/gradient/newfillorstroke", 1);

        SPGradient *vector;
        if (ec->item_to_select) {
            // pick color from the object where drag started
            vector = sp_gradient_vector_for_object(document, desktop, ec->item_to_select, fill_or_stroke);
        } else {
            // Starting from empty space:
            // Sort items so that the topmost comes last
            GSList *items = g_slist_copy ((GSList *) selection->itemList());
            items = g_slist_sort(items, (GCompareFunc) sp_item_repr_compare_position);
            // take topmost
            vector = sp_gradient_vector_for_object(document, desktop, SP_ITEM(g_slist_last(items)->data), fill_or_stroke);
            g_slist_free (items);
        }

        // HACK: reset fill-opacity - that 0.75 is annoying; BUT remove this when we have an opacity slider for all tabs
        SPCSSAttr *css = sp_repr_css_attr_new();
        sp_repr_css_set_property(css, "fill-opacity", "1.0");

        for (GSList const *i = selection->itemList(); i != NULL; i = i->next) {

            //FIXME: see above
            sp_repr_css_change_recursive(SP_OBJECT_REPR(i->data), css, "style");

            sp_item_set_gradient(SP_ITEM(i->data), vector, (SPGradientType) type, fill_or_stroke);

            if (type == SP_GRADIENT_TYPE_LINEAR) {
                sp_item_gradient_set_coords (SP_ITEM(i->data), POINT_LG_BEGIN, 0, rc.origin, fill_or_stroke, true, false);
                sp_item_gradient_set_coords (SP_ITEM(i->data), POINT_LG_END, 0, pt, fill_or_stroke, true, false);
            } else if (type == SP_GRADIENT_TYPE_RADIAL) {
                sp_item_gradient_set_coords (SP_ITEM(i->data), POINT_RG_CENTER, 0, rc.origin, fill_or_stroke, true, false);
                sp_item_gradient_set_coords (SP_ITEM(i->data), POINT_RG_R1, 0, pt, fill_or_stroke, true, false);
            }
            SP_OBJECT (i->data)->requestModified(SP_OBJECT_MODIFIED_FLAG);
        }
        if (ec->_grdrag) {
            ec->_grdrag->updateDraggers();
            // prevent regenerating draggers by selection modified signal, which sometimes
            // comes too late and thus destroys the knot which we will now grab:
            ec->_grdrag->local_change = true;
            // give the grab out-of-bounds values of xp/yp because we're already dragging
            // and therefore are already out of tolerance
            ec->_grdrag->grabKnot (SP_ITEM(selection->itemList()->data),
                                   type == SP_GRADIENT_TYPE_LINEAR? POINT_LG_END : POINT_RG_R1,
                                   -1, // ignore number (though it is always 1)
                                   fill_or_stroke, 99999, 99999, etime);
        }
        // We did an undoable action, but sp_document_done will be called by the knot when released

        // status text; we do not track coords because this branch is run once, not all the time
        // during drag
        int n_objects = g_slist_length((GSList *) selection->itemList());
        rc._message_context->setF(Inkscape::NORMAL_MESSAGE,
                                  ngettext("<b>Gradient</b> for %d object; with <b>Ctrl</b> to snap angle",
                                           "<b>Gradient</b> for %d objects; with <b>Ctrl</b> to snap angle", n_objects),
                                  n_objects);
    } else {
        sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>objects</b> on which to create gradient."));
    }
}
Esempio n. 16
0
void sp_paintbucket_toolbox_prep(SPDesktop *desktop, GtkActionGroup* mainActions, GObject* holder)
{
    EgeAdjustmentAction* eact = 0;
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();

    {
        GtkListStore* model = gtk_list_store_new( 2, G_TYPE_STRING, G_TYPE_INT );

        GList* items = 0;
        gint count = 0;
        for ( items = Inkscape::UI::Tools::flood_channels_dropdown_items_list(); items ; items = g_list_next(items) )
        {
            GtkTreeIter iter;
            gtk_list_store_append( model, &iter );
            gtk_list_store_set( model, &iter, 0, reinterpret_cast<gchar*>(items->data), 1, count, -1 );
            count++;
        }
        g_list_free( items );
        items = 0;
        EgeSelectOneAction* act1 = ege_select_one_action_new( "ChannelsAction", _("Fill by"), (""), NULL, GTK_TREE_MODEL(model) );
        g_object_set( act1, "short_label", _("Fill by:"), NULL );
        ege_select_one_action_set_appearance( act1, "compact" );
        ege_select_one_action_set_active( act1, prefs->getInt("/tools/paintbucket/channels", 0) );
        g_signal_connect( G_OBJECT(act1), "changed", G_CALLBACK(paintbucket_channels_changed), holder );
        gtk_action_group_add_action( mainActions, GTK_ACTION(act1) );
        g_object_set_data( holder, "channels_action", act1 );
    }

    // Spacing spinbox
    {
        eact = create_adjustment_action(
            "ThresholdAction",
            _("Fill Threshold"), _("Threshold:"),
            _("The maximum allowed difference between the clicked pixel and the neighboring pixels to be counted in the fill"),
            "/tools/paintbucket/threshold", 5, GTK_WIDGET(desktop->canvas), holder, TRUE,
            "inkscape:paintbucket-threshold", 0, 100.0, 1.0, 10.0,
            0, 0, 0,
            paintbucket_threshold_changed, NULL /*unit tracker*/, 1, 0 );

        ege_adjustment_action_set_appearance( eact, TOOLBAR_SLIDER_HINT );
        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
    }

    // Create the units menu.
    UnitTracker* tracker = new UnitTracker(Inkscape::Util::UNIT_TYPE_LINEAR);
    Glib::ustring stored_unit = prefs->getString("/tools/paintbucket/offsetunits");
    if (!stored_unit.empty()) {
        Unit const *u = unit_table.getUnit(stored_unit);
        tracker->setActiveUnit(u);
    }
    g_object_set_data( holder, "tracker", tracker );
    {
        GtkAction* act = tracker->createAction( "PaintbucketUnitsAction", _("Units"), ("") );
        gtk_action_group_add_action( mainActions, act );
    }

    // Offset spinbox
    {
        eact = create_adjustment_action(
            "OffsetAction",
            _("Grow/shrink by"), _("Grow/shrink by:"),
            _("The amount to grow (positive) or shrink (negative) the created fill path"),
            "/tools/paintbucket/offset", 0, GTK_WIDGET(desktop->canvas), holder, TRUE,
            "inkscape:paintbucket-offset", -1e4, 1e4, 0.1, 0.5,
            0, 0, 0,
            paintbucket_offset_changed, tracker, 1, 2);
        tracker->addAdjustment( ege_adjustment_action_get_adjustment(eact) );

        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
    }

    /* Auto Gap */
    {
        GtkListStore* model = gtk_list_store_new( 2, G_TYPE_STRING, G_TYPE_INT );

        GList* items = 0;
        gint count = 0;
        for ( items = Inkscape::UI::Tools::flood_autogap_dropdown_items_list(); items ; items = g_list_next(items) )
        {
            GtkTreeIter iter;
            gtk_list_store_append( model, &iter );
            gtk_list_store_set( model, &iter, 0, reinterpret_cast<gchar*>(items->data), 1, count, -1 );
            count++;
        }
        g_list_free( items );
        items = 0;
        EgeSelectOneAction* act2 = ege_select_one_action_new( "AutoGapAction", _("Close gaps"), (""), NULL, GTK_TREE_MODEL(model) );
        g_object_set( act2, "short_label", _("Close gaps:"), NULL );
        ege_select_one_action_set_appearance( act2, "compact" );
        ege_select_one_action_set_active( act2, prefs->getBool("/tools/paintbucket/autogap") );
        g_signal_connect( G_OBJECT(act2), "changed", G_CALLBACK(paintbucket_autogap_changed), holder );
        gtk_action_group_add_action( mainActions, GTK_ACTION(act2) );
        g_object_set_data( holder, "autogap_action", act2 );
    }

    /* Reset */
    {
        GtkAction* act = gtk_action_new( "PaintbucketResetAction",
                                          _("Defaults"),
                                          _("Reset paint bucket parameters to defaults (use Inkscape Preferences > Tools to change defaults)"),
                                          GTK_STOCK_CLEAR );
        g_signal_connect_after( G_OBJECT(act), "activate", G_CALLBACK(paintbucket_defaults), holder );
        gtk_action_group_add_action( mainActions, act );
        gtk_action_set_sensitive( act, TRUE );
    }

}
Esempio n. 17
0
static void sp_add_freehand_mode_toggle(GtkActionGroup* mainActions, GObject* holder, bool tool_is_pencil)
{
    /* Freehand mode toggle buttons */
    {
        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
        guint freehandMode = prefs->getInt(( tool_is_pencil ? "/tools/freehand/pencil/freehand-mode" : "/tools/freehand/pen/freehand-mode" ), 0);
        Inkscape::IconSize secondarySize = ToolboxFactory::prefToSize("/toolbox/secondary", 1);

        {
            GtkListStore* model = gtk_list_store_new( 3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING );

            GtkTreeIter iter;
            gtk_list_store_append( model, &iter );
            gtk_list_store_set( model, &iter,
                                0, _("Bezier"),
                                1, _("Create regular Bezier path"),
                                2, INKSCAPE_ICON("path-mode-bezier"),
                                -1 );

            gtk_list_store_append( model, &iter );
            gtk_list_store_set( model, &iter,
                                0, _("Spiro"),
                                1, _("Create Spiro path"),
                                2, INKSCAPE_ICON("path-mode-spiro"),
                                -1 );
            gtk_list_store_append( model, &iter );
            gtk_list_store_set( model, &iter,
                                0, _("BSpline"),
                                1, _("Create BSpline path"),
                                2, INKSCAPE_ICON("path-mode-bspline"),
                                -1 );
            if (!tool_is_pencil) {
                gtk_list_store_append( model, &iter );
                gtk_list_store_set( model, &iter,
                                    0, _("Zigzag"),
                                    1, _("Create a sequence of straight line segments"),
                                    2, INKSCAPE_ICON("path-mode-polyline"),
                                    -1 );

                gtk_list_store_append( model, &iter );
                gtk_list_store_set( model, &iter,
                                    0, _("Paraxial"),
                                    1, _("Create a sequence of paraxial line segments"),
                                    2, INKSCAPE_ICON("path-mode-polyline-paraxial"),
                                    -1 );
            }

            EgeSelectOneAction* act = ege_select_one_action_new(tool_is_pencil ?
                                                                "FreehandModeActionPencil" :
                                                                "FreehandModeActionPen",
                                                                (_("Mode:")), (_("Mode of new lines drawn by this tool")), NULL, GTK_TREE_MODEL(model) );
            gtk_action_group_add_action( mainActions, GTK_ACTION(act) );

            ege_select_one_action_set_appearance( act, "full" );
            ege_select_one_action_set_radio_action_type( act, INK_RADIO_ACTION_TYPE );
            g_object_set( G_OBJECT(act), "icon-property", "iconId", NULL );
            ege_select_one_action_set_icon_column( act, 2 );
            ege_select_one_action_set_icon_size( act, secondarySize );
            ege_select_one_action_set_tooltip_column( act, 1  );

            ege_select_one_action_set_active( act, freehandMode);
            g_signal_connect_after( G_OBJECT(act), "changed", G_CALLBACK(freehand_mode_changed), holder);
        }
    }
}
SPDocument *
sp_document_create(Inkscape::XML::Document *rdoc,
                   gchar const *uri,
                   gchar const *base,
                   gchar const *name,
                   unsigned int keepalive)
{
    SPDocument *document;
    Inkscape::XML::Node *rroot;
    Inkscape::Version sodipodi_version;
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();

    rroot = rdoc->root();

    document = new SPDocument();

    document->keepalive = keepalive;

    document->rdoc = rdoc;
    document->rroot = rroot;

#ifndef WIN32
    prepend_current_dir_if_relative(&(document->uri), uri);
#else
    // FIXME: it may be that prepend_current_dir_if_relative works OK on windows too, test!
    document->uri = uri? g_strdup(uri) : NULL;
#endif

    // base is simply the part of the path before filename; e.g. when running "inkscape ../file.svg" the base is "../"
    // which is why we use g_get_current_dir() in calculating the abs path above
    //This is NULL for a new document
    if (base)
        document->base = g_strdup(base);
    else
        document->base = NULL;
    document->name = g_strdup(name);

    document->root = sp_object_repr_build_tree(document, rroot);

    sodipodi_version = SP_ROOT(document->root)->version.sodipodi;

    /* fixme: Not sure about this, but lets assume ::build updates */
    rroot->setAttribute("sodipodi:version", SODIPODI_VERSION);
    rroot->setAttribute("inkscape:version", Inkscape::version_string);
    /* fixme: Again, I moved these here to allow version determining in ::build (Lauris) */

    /* Quick hack 2 - get default image size into document */
    if (!rroot->attribute("width")) rroot->setAttribute("width", "100%");
    if (!rroot->attribute("height")) rroot->setAttribute("height", "100%");
    /* End of quick hack 2 */

    /* Quick hack 3 - Set uri attributes */
    if (uri) {
        rroot->setAttribute("sodipodi:docname", uri);
    }
    /* End of quick hack 3 */

    /* Eliminate obsolete sodipodi:docbase, for privacy reasons */
    rroot->setAttribute("sodipodi:docbase", NULL);
    
    /* Eliminate any claim to adhere to a profile, as we don't try to */
    rroot->setAttribute("baseProfile", NULL);

    // creating namedview
    if (!sp_item_group_get_child_by_name((SPGroup *) document->root, NULL, "sodipodi:namedview")) {
        // if there's none in the document already,
        Inkscape::XML::Node *rnew = NULL;
        
        rnew = rdoc->createElement("sodipodi:namedview");
        //rnew->setAttribute("id", "base");

        // Add namedview data from the preferences
        // we can't use getAllEntries because this could produce non-SVG doubles
        Glib::ustring pagecolor = prefs->getString("/template/base/pagecolor");
        if (!pagecolor.empty()) {
            rnew->setAttribute("pagecolor", pagecolor.data());
        }
        Glib::ustring bordercolor = prefs->getString("/template/base/bordercolor");
        if (!bordercolor.empty()) {
            rnew->setAttribute("bordercolor", bordercolor.data());
        }
        sp_repr_set_svg_double(rnew, "borderopacity",
            prefs->getDouble("/template/base/borderopacity", 1.0));
        sp_repr_set_svg_double(rnew, "objecttolerance",
            prefs->getDouble("/template/base/objecttolerance", 10.0));
        sp_repr_set_svg_double(rnew, "gridtolerance",
            prefs->getDouble("/template/base/gridtolerance", 10.0));
        sp_repr_set_svg_double(rnew, "guidetolerance",
            prefs->getDouble("/template/base/guidetolerance", 10.0));
        sp_repr_set_svg_double(rnew, "inkscape:pageopacity",
            prefs->getDouble("/template/base/inkscape:pageopacity", 0.0));
        sp_repr_set_int(rnew, "inkscape:pageshadow",
            prefs->getInt("/template/base/inkscape:pageshadow", 2));
        sp_repr_set_int(rnew, "inkscape:window-width",
            prefs->getInt("/template/base/inkscape:window-width", 640));
        sp_repr_set_int(rnew, "inkscape:window-height",
            prefs->getInt("/template/base/inkscape:window-height", 480));
        
        // insert into the document
        rroot->addChild(rnew, NULL);
        // clean up
        Inkscape::GC::release(rnew);
    }

    /* Defs */
    if (!SP_ROOT(document->root)->defs) {
        Inkscape::XML::Node *r;
        r = rdoc->createElement("svg:defs");
        rroot->addChild(r, NULL);
        Inkscape::GC::release(r);
        g_assert(SP_ROOT(document->root)->defs);
    }

    /* Default RDF */
    rdf_set_defaults( document );

    if (keepalive) {
        inkscape_ref();
    }

    // Remark: Here, we used to create a "currentpersp3d" element in the document defs.
    // But this is probably a bad idea since we need to adapt it for every change of selection, which will
    // completely clutter the undo history. Maybe rather save it to prefs on exit and re-read it on startup?

    document->current_persp3d = persp3d_document_first_persp(document);
    if (!document->current_persp3d) {
        document->current_persp3d = persp3d_create_xml_element (document);
    }

    sp_document_set_undo_sensitive(document, true);

    // reset undo key when selection changes, so that same-key actions on different objects are not coalesced
    if (!Inkscape::NSApplication::Application::getNewGui()) {
        g_signal_connect(G_OBJECT(INKSCAPE), "change_selection",
                         G_CALLBACK(sp_document_reset_key), document);
        g_signal_connect(G_OBJECT(INKSCAPE), "activate_desktop",
                         G_CALLBACK(sp_document_reset_key), document);
    } else {
        document->_selection_changed_connection = Inkscape::NSApplication::Editor::connectSelectionChanged (sigc::mem_fun (*document, &SPDocument::reset_key));
        document->_desktop_activated_connection = Inkscape::NSApplication::Editor::connectDesktopActivated (sigc::mem_fun (*document, &SPDocument::reset_key));
    }

    return document;
}
Esempio n. 19
0
static void
sp_object_layout_any_value_changed(GtkAdjustment *adj, SPWidget *spw)
{
    if (g_object_get_data(G_OBJECT(spw), "update")) {
        return;
    }

    UnitTracker *tracker = reinterpret_cast<UnitTracker*>(g_object_get_data(G_OBJECT(spw), "tracker"));
    if ( !tracker || tracker->isUpdating() ) {
        /*
         * When only units are being changed, don't treat changes
         * to adjuster values as object changes.
         */
        return;
    }
    g_object_set_data(G_OBJECT(spw), "update", GINT_TO_POINTER(TRUE));

    SPDesktop *desktop = SP_ACTIVE_DESKTOP;
    Inkscape::Selection *selection = sp_desktop_selection(desktop);
    SPDocument *document = sp_desktop_document(desktop);

    document->ensureUpToDate ();
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();

    Geom::OptRect bbox_vis = selection->visualBounds();
    Geom::OptRect bbox_geom = selection->geometricBounds();

    int prefs_bbox = prefs->getInt("/tools/bounding_box");
    SPItem::BBoxType bbox_type = (prefs_bbox == 0)?
        SPItem::VISUAL_BBOX : SPItem::GEOMETRIC_BBOX;
    Geom::OptRect bbox_user = selection->bounds(bbox_type);

    if ( !bbox_user ) {
        g_object_set_data(G_OBJECT(spw), "update", GINT_TO_POINTER(FALSE));
        return;
    }

    gdouble x0 = 0;
    gdouble y0 = 0;
    gdouble x1 = 0;
    gdouble y1 = 0;
    gdouble xrel = 0;
    gdouble yrel = 0;
    SPUnit const &unit = *tracker->getActiveUnit();

    GtkAdjustment* a_x = GTK_ADJUSTMENT( g_object_get_data( G_OBJECT(spw), "X" ) );
    GtkAdjustment* a_y = GTK_ADJUSTMENT( g_object_get_data( G_OBJECT(spw), "Y" ) );
    GtkAdjustment* a_w = GTK_ADJUSTMENT( g_object_get_data( G_OBJECT(spw), "width" ) );
    GtkAdjustment* a_h = GTK_ADJUSTMENT( g_object_get_data( G_OBJECT(spw), "height" ) );

    if (unit.base == SP_UNIT_ABSOLUTE || unit.base == SP_UNIT_DEVICE) {
        x0 = sp_units_get_pixels (gtk_adjustment_get_value (a_x), unit);
        y0 = sp_units_get_pixels (gtk_adjustment_get_value (a_y), unit);
        x1 = x0 + sp_units_get_pixels (gtk_adjustment_get_value (a_w), unit);
        xrel = sp_units_get_pixels (gtk_adjustment_get_value (a_w), unit) / bbox_user->dimensions()[Geom::X];
        y1 = y0 + sp_units_get_pixels (gtk_adjustment_get_value (a_h), unit);
        yrel = sp_units_get_pixels (gtk_adjustment_get_value (a_h), unit) / bbox_user->dimensions()[Geom::Y];
    } else {
        double const x0_propn = gtk_adjustment_get_value (a_x) * unit.unittobase;
        x0 = bbox_user->min()[Geom::X] * x0_propn;
        double const y0_propn = gtk_adjustment_get_value (a_y) * unit.unittobase;
        y0 = y0_propn * bbox_user->min()[Geom::Y];
        xrel = gtk_adjustment_get_value (a_w) * unit.unittobase;
        x1 = x0 + xrel * bbox_user->dimensions()[Geom::X];
        yrel = gtk_adjustment_get_value (a_h) * unit.unittobase;
        y1 = y0 + yrel * bbox_user->dimensions()[Geom::Y];
    }

    // Keep proportions if lock is on
    GtkToggleAction *lock = GTK_TOGGLE_ACTION( g_object_get_data(G_OBJECT(spw), "lock") );
    if ( gtk_toggle_action_get_active(lock) ) {
        if (adj == a_h) {
            x1 = x0 + yrel * bbox_user->dimensions()[Geom::X];
        } else if (adj == a_w) {
            y1 = y0 + xrel * bbox_user->dimensions()[Geom::Y];
        }
    }

    // scales and moves, in px
    double mh = fabs(x0 - bbox_user->min()[Geom::X]);
    double sh = fabs(x1 - bbox_user->max()[Geom::X]);
    double mv = fabs(y0 - bbox_user->min()[Geom::Y]);
    double sv = fabs(y1 - bbox_user->max()[Geom::Y]);

    // unless the unit is %, convert the scales and moves to the unit
    if (unit.base == SP_UNIT_ABSOLUTE || unit.base == SP_UNIT_DEVICE) {
        mh = sp_pixels_get_units (mh, unit);
        sh = sp_pixels_get_units (sh, unit);
        mv = sp_pixels_get_units (mv, unit);
        sv = sp_pixels_get_units (sv, unit);
    }

    // do the action only if one of the scales/moves is greater than half the last significant
    // digit in the spinbox (currently spinboxes have 3 fractional digits, so that makes 0.0005). If
    // the value was changed by the user, the difference will be at least that much; otherwise it's
    // just rounding difference between the spinbox value and actual value, so no action is
    // performed
    char const * const actionkey = ( mh > 5e-4 ? "selector:toolbar:move:horizontal" :
                                     sh > 5e-4 ? "selector:toolbar:scale:horizontal" :
                                     mv > 5e-4 ? "selector:toolbar:move:vertical" :
                                     sv > 5e-4 ? "selector:toolbar:scale:vertical" : NULL );

    if (actionkey != NULL) {

        // FIXME: fix for GTK breakage, see comment in SelectedStyle::on_opacity_changed
        sp_desktop_canvas(desktop)->forceFullRedrawAfterInterruptions(0);

        int transform_stroke = prefs->getBool("/options/transform/stroke", true) ? 1 : 0;

        Geom::Affine scaler;
        if (bbox_type == SPItem::VISUAL_BBOX) {
            scaler = get_scale_transform_for_variable_stroke (*bbox_vis, *bbox_geom, transform_stroke, x0, y0, x1, y1);
        } else {
            // 1) We could have use the newer get_scale_transform_for_variable_stroke() here, but to avoid regressions
            // we'll just use the old get_scale_transform_for_uniform_stroke() for now.
            // 2) get_scale_transform_for_uniform_stroke() is intended for visual bounding boxes, not geometrical ones!
            // we'll trick it into using a geometric bounding box though, by setting the stroke width to zero
            scaler = get_scale_transform_for_uniform_stroke (*bbox_geom, 0, false, x0, y0, x1, y1);
        }

        sp_selection_apply_affine(selection, scaler);
        DocumentUndo::maybeDone(document, actionkey, SP_VERB_CONTEXT_SELECT,
                                _("Transform by toolbar"));

        // resume interruptibility
        sp_desktop_canvas(desktop)->endForcedFullRedraws();
    }

    g_object_set_data(G_OBJECT(spw), "update", GINT_TO_POINTER(FALSE));
}
Esempio n. 20
0
void sp_spray_toolbox_prep(SPDesktop *desktop, GtkActionGroup* mainActions, GObject* holder)
{
    Inkscape::IconSize secondarySize = ToolboxFactory::prefToSize("/toolbox/secondary", 1);
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();

    {
        /* Width */
        gchar const* labels[] = {_("(narrow spray)"), 0, 0, 0, _("(default)"), 0, 0, 0, 0, _("(broad spray)")};
        gdouble values[] = {1, 3, 5, 10, 15, 20, 30, 50, 75, 100};
        EgeAdjustmentAction *eact = create_adjustment_action( "SprayWidthAction",
                                                              _("Width"), _("Width:"), _("The width of the spray area (relative to the visible canvas area)"),
                                                              "/tools/spray/width", 15,
                                                              GTK_WIDGET(desktop->canvas), holder, TRUE, "altx-spray",
                                                              1, 100, 1.0, 10.0,
                                                              labels, values, G_N_ELEMENTS(labels),
                                                              sp_spray_width_value_changed, NULL /*unit tracker*/, 1, 0 );
        ege_adjustment_action_set_appearance( eact, TOOLBAR_SLIDER_HINT );
        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
        gtk_action_set_sensitive( GTK_ACTION(eact), TRUE );
    }

    {
        /* Mean */
        gchar const* labels[] = {_("(default)"), 0, 0, 0, 0, 0, 0, _("(maximum mean)")};
        gdouble values[] = {0, 5, 10, 20, 30, 50, 70, 100};
        EgeAdjustmentAction *eact = create_adjustment_action( "SprayMeanAction",
                                                              _("Focus"), _("Focus:"), _("0 to spray a spot; increase to enlarge the ring radius"),
                                                              "/tools/spray/mean", 0,
                                                              GTK_WIDGET(desktop->canvas), holder, TRUE, "spray-mean",
                                                              0, 100, 1.0, 10.0,
                                                              labels, values, G_N_ELEMENTS(labels),
                                                              sp_spray_mean_value_changed, NULL /*unit tracker*/, 1, 0 );
        ege_adjustment_action_set_appearance( eact, TOOLBAR_SLIDER_HINT );
        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
        gtk_action_set_sensitive( GTK_ACTION(eact), TRUE );
    }

    {
        /* Standard_deviation */
        gchar const* labels[] = {_("(minimum scatter)"), 0, 0, 0, 0, 0, _("(default)"), _("(maximum scatter)")};
        gdouble values[] = {1, 5, 10, 20, 30, 50, 70, 100};
        EgeAdjustmentAction *eact = create_adjustment_action( "SprayStandard_deviationAction",
                                                              C_("Spray tool", "Scatter"), C_("Spray tool", "Scatter:"), _("Increase to scatter sprayed objects"),
                                                              "/tools/spray/standard_deviation", 70,
                                                              GTK_WIDGET(desktop->canvas), holder, TRUE, "spray-standard_deviation",
                                                              1, 100, 1.0, 10.0,
                                                              labels, values, G_N_ELEMENTS(labels),
                                                              sp_spray_standard_deviation_value_changed, NULL /*unit tracker*/, 1, 0 );
        ege_adjustment_action_set_appearance( eact, TOOLBAR_SLIDER_HINT );
        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
        gtk_action_set_sensitive( GTK_ACTION(eact), TRUE );
    }

    /* Mode */
    {
        GtkListStore* model = gtk_list_store_new( 3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING );

        GtkTreeIter iter;
        gtk_list_store_append( model, &iter );
        gtk_list_store_set( model, &iter,
                            0, _("Spray with copies"),
                            1, _("Spray copies of the initial selection"),
                            2, INKSCAPE_ICON("spray-mode-copy"),
                            -1 );

        gtk_list_store_append( model, &iter );
        gtk_list_store_set( model, &iter,
                            0, _("Spray with clones"),
                            1, _("Spray clones of the initial selection"),
                            2, INKSCAPE_ICON("spray-mode-clone"),
                            -1 );

        gtk_list_store_append( model, &iter );
        gtk_list_store_set( model, &iter,
                            0, _("Spray single path"),
                            1, _("Spray objects in a single path"),
                            2, INKSCAPE_ICON("spray-mode-union"),
                            -1 );

        EgeSelectOneAction* act = ege_select_one_action_new( "SprayModeAction", _("Mode"), (""), NULL, GTK_TREE_MODEL(model) );
        g_object_set( act, "short_label", _("Mode:"), NULL );
        gtk_action_group_add_action( mainActions, GTK_ACTION(act) );
        g_object_set_data( holder, "mode_action", act );

        ege_select_one_action_set_appearance( act, "full" );
        ege_select_one_action_set_radio_action_type( act, INK_RADIO_ACTION_TYPE );
        g_object_set( G_OBJECT(act), "icon-property", "iconId", NULL );
        ege_select_one_action_set_icon_column( act, 2 );
        ege_select_one_action_set_icon_size( act, secondarySize );
        ege_select_one_action_set_tooltip_column( act, 1  );

        gint mode = prefs->getInt("/tools/spray/mode", 1);
        ege_select_one_action_set_active( act, mode );
        g_signal_connect_after( G_OBJECT(act), "changed", G_CALLBACK(sp_spray_mode_changed), holder );

        g_object_set_data( G_OBJECT(holder), "spray_tool_mode", act);
    }

    {   /* Population */
        gchar const* labels[] = {_("(low population)"), 0, 0, 0, _("(default)"), 0, _("(high population)")};
        gdouble values[] = {5, 20, 35, 50, 70, 85, 100};
        EgeAdjustmentAction *eact = create_adjustment_action( "SprayPopulationAction",
                                                              _("Amount"), _("Amount:"),
                                                              _("Adjusts the number of items sprayed per click"),
                                                              "/tools/spray/population", 70,
                                                              GTK_WIDGET(desktop->canvas), holder, TRUE, "spray-population",
                                                              1, 100, 1.0, 10.0,
                                                              labels, values, G_N_ELEMENTS(labels),
                                                              sp_spray_population_value_changed, NULL /*unit tracker*/, 1, 0 );
        ege_adjustment_action_set_appearance( eact, TOOLBAR_SLIDER_HINT );
        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
        gtk_action_set_sensitive( GTK_ACTION(eact), TRUE );
        g_object_set_data( holder, "spray_population", eact );
    }

    /* Use Pressure button */
    {
        InkToggleAction* act = ink_toggle_action_new( "SprayPressureAction",
                                                      _("Pressure"),
                                                      _("Use the pressure of the input device to alter the amount of sprayed objects"),
                                                      INKSCAPE_ICON("draw-use-pressure"),
                                                      Inkscape::ICON_SIZE_DECORATION );
        gtk_action_group_add_action( mainActions, GTK_ACTION(act) );
        PrefPusher *pusher = new PrefPusher(GTK_TOGGLE_ACTION(act), "/tools/spray/usepressure");
        g_signal_connect(holder, "destroy", G_CALLBACK(delete_prefspusher), pusher);

    }

    {   /* Rotation */
        gchar const* labels[] = {_("(default)"), 0, 0, 0, 0, 0, 0, _("(high rotation variation)")};
        gdouble values[] = {0, 10, 25, 35, 50, 60, 80, 100};
        EgeAdjustmentAction *eact = create_adjustment_action( "SprayRotationAction",
                                                              _("Rotation"), _("Rotation:"),
                                                              // xgettext:no-c-format
                                                              _("Variation of the rotation of the sprayed objects; 0% for the same rotation than the original object"),
                                                              "/tools/spray/rotation_variation", 0,
                                                              GTK_WIDGET(desktop->canvas), holder, TRUE, "spray-rotation",
                                                              0, 100, 1.0, 10.0,
                                                              labels, values, G_N_ELEMENTS(labels),
                                                              sp_spray_rotation_value_changed, NULL /*unit tracker*/, 1, 0 );
        ege_adjustment_action_set_appearance( eact, TOOLBAR_SLIDER_HINT );
        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
        gtk_action_set_sensitive( GTK_ACTION(eact), TRUE );
        g_object_set_data( holder, "spray_rotation", eact );
    }

    {   /* Scale */
        gchar const* labels[] = {_("(default)"), 0, 0, 0, 0, 0, 0, _("(high scale variation)")};
        gdouble values[] = {0, 10, 25, 35, 50, 60, 80, 100};
        EgeAdjustmentAction *eact = create_adjustment_action( "SprayScaleAction",
                                                              C_("Spray tool", "Scale"), C_("Spray tool", "Scale:"),
                                                              // xgettext:no-c-format
                                                              _("Variation in the scale of the sprayed objects; 0% for the same scale than the original object"),
                                                              "/tools/spray/scale_variation", 0,
                                                              GTK_WIDGET(desktop->canvas), holder, TRUE, "spray-scale",
                                                              0, 100, 1.0, 10.0,
                                                              labels, values, G_N_ELEMENTS(labels),
                                                              sp_spray_scale_value_changed, NULL /*unit tracker*/, 1, 0 );
        ege_adjustment_action_set_appearance( eact, TOOLBAR_SLIDER_HINT );
        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
        gtk_action_set_sensitive( GTK_ACTION(eact), TRUE );
        g_object_set_data( holder, "spray_scale", eact );
    }



}
static gint sp_dropper_context_root_handler(SPEventContext *event_context, GdkEvent *event)
{
    SPDropperContext *dc = (SPDropperContext *) event_context;
    int ret = FALSE;
    SPDesktop *desktop = event_context->desktop;
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();

    int pick = prefs->getInt("/tools/dropper/pick", SP_DROPPER_PICK_VISIBLE);
    bool setalpha = prefs->getBool("/tools/dropper/setalpha", true);

    switch (event->type) {
	case GDK_BUTTON_PRESS:
            if (event->button.button == 1 && !event_context->space_panning) {
                dc->centre = Geom::Point(event->button.x, event->button.y);
                dc->dragging = TRUE;
                ret = TRUE;
            }
            break;
	case GDK_MOTION_NOTIFY:
            if (event->motion.state & GDK_BUTTON2_MASK) {
                // pass on middle-drag
                ret = FALSE;
                break;
            } else if (!event_context->space_panning) {
                // otherwise, constantly calculate color no matter is any button pressed or not

                double rw = 0.0;
                double W(0), R(0), G(0), B(0), A(0);

                if (dc->dragging) {
                    // calculate average

                    // radius
                    rw = std::min(Geom::L2(Geom::Point(event->button.x, event->button.y) - dc->centre), 400.0);

                    if (rw == 0) { // happens sometimes, little idea why...
                        break;
                    }

                    Geom::Point const cd = desktop->w2d(dc->centre);
                    Geom::Matrix const w2dt = desktop->w2d();
                    const double scale = rw * w2dt.descrim();
                    Geom::Matrix const sm( Geom::Scale(scale, scale) * Geom::Translate(cd) );
                    sp_canvas_item_affine_absolute(dc->area, sm);
                    sp_canvas_item_show(dc->area);

                    /* Get buffer */
                    const int x0 = (int) floor(dc->centre[Geom::X] - rw);
                    const int y0 = (int) floor(dc->centre[Geom::Y] - rw);
                    const int x1 = (int) ceil(dc->centre[Geom::X] + rw);
                    const int y1 = (int) ceil(dc->centre[Geom::Y] + rw);

                    if ((x1 > x0) && (y1 > y0)) {
                        NRPixBlock pb;
                        nr_pixblock_setup_fast(&pb, NR_PIXBLOCK_MODE_R8G8B8A8P, x0, y0, x1, y1, TRUE);
                        /* fixme: (Lauris) */
                        sp_canvas_arena_render_pixblock(SP_CANVAS_ARENA(sp_desktop_drawing(desktop)), &pb);
                        for (int y = y0; y < y1; y++) {
                            const unsigned char *s = NR_PIXBLOCK_PX(&pb) + (y - y0) * pb.rs;
                            for (int x = x0; x < x1; x++) {
                                const double dx = x - dc->centre[Geom::X];
                                const double dy = y - dc->centre[Geom::Y];
                                const double w = exp(-((dx * dx) + (dy * dy)) / (rw * rw));
                                W += w;
                                R += w * s[0];
                                G += w * s[1];
                                B += w * s[2];
                                A += w * s[3];
                                s += 4;
                            }
                        }
                        nr_pixblock_release(&pb);

                        R = (R + 0.001) / (255.0 * W);
                        G = (G + 0.001) / (255.0 * W);
                        B = (B + 0.001) / (255.0 * W);
                        A = (A + 0.001) / (255.0 * W);

                        R = CLAMP(R, 0.0, 1.0);
                        G = CLAMP(G, 0.0, 1.0);
                        B = CLAMP(B, 0.0, 1.0);
                        A = CLAMP(A, 0.0, 1.0);
                    }

                } else {
                    // pick single pixel
                    NRPixBlock pb;
                    int x = (int) floor(event->button.x);
                    int y = (int) floor(event->button.y);
                    nr_pixblock_setup_fast(&pb, NR_PIXBLOCK_MODE_R8G8B8A8P, x, y, x+1, y+1, TRUE);
                    sp_canvas_arena_render_pixblock(SP_CANVAS_ARENA(sp_desktop_drawing(desktop)), &pb);
                    const unsigned char *s = NR_PIXBLOCK_PX(&pb);

                    R = s[0] / 255.0;
                    G = s[1] / 255.0;
                    B = s[2] / 255.0;
                    A = s[3] / 255.0;
                }

                if (pick == SP_DROPPER_PICK_VISIBLE) {
                    // compose with page color
                    guint32 bg = sp_desktop_namedview(desktop)->pagecolor;
                    R = R + (SP_RGBA32_R_F(bg)) * (1 - A);
                    G = G + (SP_RGBA32_G_F(bg)) * (1 - A);
                    B = B + (SP_RGBA32_B_F(bg)) * (1 - A);
                    A = 1.0;
                } else {
                    // un-premultiply color channels
                    if (A > 0) {
                        R /= A;
                        G /= A;
                        B /= A;
                    }
                }

                if (fabs(A) < 1e-4) {
                    A = 0; // suppress exponentials, CSS does not allow that
                }

                // remember color
                dc->R = R;
                dc->G = G;
                dc->B = B;
                dc->alpha = A;

                // status message
                double alpha_to_set = setalpha? dc->alpha : 1.0;
                guint32 c32 = SP_RGBA32_F_COMPOSE(R, G, B, alpha_to_set);

                gchar c[64];
                sp_svg_write_color(c, sizeof(c), c32);

                // alpha of color under cursor, to show in the statusbar
                // locale-sensitive printf is OK, since this goes to the UI, not into SVG
                gchar *alpha = g_strdup_printf(_(" alpha %.3g"), alpha_to_set);
                // where the color is picked, to show in the statusbar
                gchar *where = dc->dragging ? g_strdup_printf(_(", averaged with radius %d"), (int) rw) : g_strdup_printf(_(" under cursor"));
                // message, to show in the statusbar
                const gchar *message = dc->dragging ? _("<b>Release mouse</b> to set color.") : _("<b>Click</b> to set fill, <b>Shift+click</b> to set stroke; <b>drag</b> to average color in area; with <b>Alt</b> to pick inverse color; <b>Ctrl+C</b> to copy the color under mouse to clipboard");
                event_context->defaultMessageContext()->setF(
                    Inkscape::NORMAL_MESSAGE,
                    "<b>%s%s</b>%s. %s", c,
                    (pick == SP_DROPPER_PICK_VISIBLE)? "" : alpha,
                    where, message
                    );

                g_free(where);
                g_free(alpha);

                ret = TRUE;
            }
            break;
	case GDK_BUTTON_RELEASE:
            if (event->button.button == 1 && !event_context->space_panning)
            {
                sp_canvas_item_hide(dc->area);
                dc->dragging = FALSE;

                double alpha_to_set = setalpha? dc->alpha : 1.0;

                // do the actual color setting
                sp_desktop_set_color(desktop,
                                     (event->button.state & GDK_MOD1_MASK)?
                                     ColorRGBA(1 - dc->R, 1 - dc->G, 1 - dc->B, alpha_to_set) : ColorRGBA(dc->R, dc->G, dc->B, alpha_to_set),
                                     false,  !(event->button.state & GDK_SHIFT_MASK));

                // REJON: set aux. toolbar input to hex color!


                if (!(sp_desktop_selection(desktop)->isEmpty())) {
                    sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_DROPPER, 
                                     _("Set picked color"));
                }

                ret = TRUE;
            }
            break;
	case GDK_KEY_PRESS:
            switch (get_group0_keyval(&event->key)) {
		case GDK_Up:
		case GDK_Down:
		case GDK_KP_Up:
		case GDK_KP_Down:
                    // prevent the zoom field from activation
                    if (!MOD__CTRL_ONLY) {
                        ret = TRUE;
                    }
                    break;
		case GDK_Escape:
                    sp_desktop_selection(desktop)->clear();
		default:
                    break;
            }
            break;
	default:
            break;
    }

    if (!ret) {
        if (((SPEventContextClass *) parent_class)->root_handler) {
            ret = ((SPEventContextClass *) parent_class)->root_handler(event_context, event);
        }
    }

    return ret;
}
GtkWidget *
sp_find_dialog_old (void)
{
    if  (!dlg)
    {
        gchar title[500];
        sp_ui_dialog_title_string (Inkscape::Verb::get(SP_VERB_DIALOG_FIND), title);
        Inkscape::Preferences *prefs = Inkscape::Preferences::get();

        dlg = sp_window_new (title, TRUE);
        if (x == -1000 || y == -1000) {
            x = prefs->getInt(prefs_path + "x", -1000);
            y = prefs->getInt(prefs_path + "y", -1000);
        }
        if (w ==0 || h == 0) {
            w = prefs->getInt(prefs_path + "w", 0);
            h = prefs->getInt(prefs_path + "h", 0);
        }
        
//        if (x<0) x=0;
//        if (y<0) y=0;

        if (w && h)
            gtk_window_resize ((GtkWindow *) dlg, w, h);
        if (x >= 0 && y >= 0 && (x < (gdk_screen_width()-MIN_ONSCREEN_DISTANCE)) && (y < (gdk_screen_height()-MIN_ONSCREEN_DISTANCE))) {
            gtk_window_move ((GtkWindow *) dlg, x, y);
        } else {
            gtk_window_set_position(GTK_WINDOW(dlg), GTK_WIN_POS_CENTER);
        }

        sp_transientize (dlg);
        wd.win = dlg;
        wd.stop = 0;
        g_signal_connect   ( G_OBJECT (INKSCAPE), "activate_desktop", G_CALLBACK (sp_transientize_callback), &wd );

        gtk_signal_connect ( GTK_OBJECT (dlg), "event", GTK_SIGNAL_FUNC (sp_dialog_event_handler), dlg);

        gtk_signal_connect ( GTK_OBJECT (dlg), "destroy", G_CALLBACK (sp_find_dialog_destroy), NULL );
        gtk_signal_connect ( GTK_OBJECT (dlg), "delete_event", G_CALLBACK (sp_find_dialog_delete), dlg);
        g_signal_connect   ( G_OBJECT (INKSCAPE), "shut_down", G_CALLBACK (sp_find_dialog_delete), dlg);

        g_signal_connect   ( G_OBJECT (INKSCAPE), "dialogs_hide", G_CALLBACK (sp_dialog_hide), dlg);
        g_signal_connect   ( G_OBJECT (INKSCAPE), "dialogs_unhide", G_CALLBACK (sp_dialog_unhide), dlg);

        GtkTooltips *tt = gtk_tooltips_new ();

        gtk_container_set_border_width (GTK_CONTAINER (dlg), 4);

        /* Toplevel vbox */
        GtkWidget *vb = gtk_vbox_new (FALSE, 0);
        gtk_container_add (GTK_CONTAINER (dlg), vb);

        sp_find_new_searchfield (dlg, vb, _("_Text: "), "text", tt, _("Find objects by their text content (exact or partial match)"));
        sp_find_new_searchfield (dlg, vb, _("_ID: "), "id", tt, _("Find objects by the value of the id attribute (exact or partial match)"));
        sp_find_new_searchfield (dlg, vb, _("_Style: "), "style", tt, _("Find objects by the value of the style attribute (exact or partial match)"));
        sp_find_new_searchfield (dlg, vb, _("_Attribute: "), "attr", tt ,_("Find objects by the name of an attribute (exact or partial match)"));

        gtk_widget_show_all (vb);

        GtkWidget *types = sp_find_types ();
        gtk_object_set_data (GTK_OBJECT (dlg), "types", types);
        gtk_box_pack_start (GTK_BOX (vb), types, FALSE, FALSE, 0);

        {
            GtkWidget *w = gtk_hseparator_new ();
            gtk_widget_show (w);
            gtk_box_pack_start (GTK_BOX (vb), w, FALSE, FALSE, 3);

            {
            GtkWidget *b  = gtk_check_button_new_with_mnemonic (_("Search in s_election"));
            gtk_widget_show (b);
            gtk_toggle_button_set_active ((GtkToggleButton *) b, FALSE);
            gtk_object_set_data (GTK_OBJECT (dlg), "inselection", b);
            gtk_tooltips_set_tip (GTK_TOOLTIPS (tt), b, _("Limit search to the current selection"), NULL);
            gtk_box_pack_start (GTK_BOX (vb), b, FALSE, FALSE, 0);
            }

            {
            GtkWidget *b  = gtk_check_button_new_with_mnemonic (_("Search in current _layer"));
            gtk_widget_show (b);
            gtk_toggle_button_set_active ((GtkToggleButton *) b, FALSE);
            gtk_object_set_data (GTK_OBJECT (dlg), "inlayer", b);
            gtk_tooltips_set_tip (GTK_TOOLTIPS (tt), b, _("Limit search to the current layer"), NULL);
            gtk_box_pack_start (GTK_BOX (vb), b, FALSE, FALSE, 0);
            }

            {
            GtkWidget *b  = gtk_check_button_new_with_mnemonic (_("Include _hidden"));
            gtk_widget_show (b);
            gtk_toggle_button_set_active ((GtkToggleButton *) b, FALSE);
            gtk_object_set_data (GTK_OBJECT (dlg), "includehidden", b);
            gtk_tooltips_set_tip (GTK_TOOLTIPS (tt), b, _("Include hidden objects in search"), NULL);
            gtk_box_pack_start (GTK_BOX (vb), b, FALSE, FALSE, 0);
            }

            {
            GtkWidget *b  = gtk_check_button_new_with_mnemonic (_("Include l_ocked"));
            gtk_widget_show (b);
            gtk_toggle_button_set_active ((GtkToggleButton *) b, FALSE);
            gtk_object_set_data (GTK_OBJECT (dlg), "includelocked", b);
            gtk_tooltips_set_tip (GTK_TOOLTIPS (tt), b, _("Include locked objects in search"), NULL);
            gtk_box_pack_start (GTK_BOX (vb), b, FALSE, FALSE, 0);
            }
        }

        {
            GtkWidget *hb = gtk_hbox_new (FALSE, 0);
            gtk_widget_show (hb);
            gtk_box_pack_start (GTK_BOX (vb), hb, FALSE, FALSE, 0);

            // TRANSLATORS: "Clear" is a verb here
            sp_find_new_button (dlg, hb, _("_Clear"), tt, _("Clear values"), sp_find_dialog_reset);
            sp_find_new_button (dlg, hb, _("_Find"), tt, _("Select objects matching all of the fields you filled in"), sp_find_dialog_find);
        }
    }

    gtk_widget_show((GtkWidget *) dlg);
    gtk_window_present ((GtkWindow *) dlg);
    sp_find_dialog_reset (NULL, G_OBJECT (dlg));

    return dlg;
}
Esempio n. 23
0
AlignAndDistribute::AlignAndDistribute()
    : UI::Widget::Panel ("", "/dialogs/align", SP_VERB_DIALOG_ALIGN_DISTRIBUTE),
      randomize_bbox(),
      _alignFrame(_("Align")),
      _distributeFrame(_("Distribute")),
      _rearrangeFrame(_("Rearrange")),
      _removeOverlapFrame(_("Remove overlaps")),
      _nodesFrame(_("Nodes")),
#if WITH_GTKMM_3_0
      _alignTable(),
      _distributeTable(),
      _rearrangeTable(),
      _removeOverlapTable(),
      _nodesTable(),
#else
      _alignTable(2, 6, true),
      _distributeTable(2, 6, true),
      _rearrangeTable(1, 5, false),
      _removeOverlapTable(1, 5, false),
      _nodesTable(1, 4, true),
#endif
      _anchorLabel(_("Relative to: ")),
      _selgrpLabel(_("_Treat selection as group: "), 1)
{
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();

    //Instanciate the align buttons
    addAlignButton(INKSCAPE_ICON("align-horizontal-right-to-anchor"),
                   _("Align right edges of objects to the left edge of the anchor"),
                   0, 0);
    addAlignButton(INKSCAPE_ICON("align-horizontal-left"),
                   _("Align left edges"),
                   0, 1);
    addAlignButton(INKSCAPE_ICON("align-horizontal-center"),
                   _("Center on vertical axis"),
                   0, 2);
    addAlignButton(INKSCAPE_ICON("align-horizontal-right"),
                   _("Align right sides"),
                   0, 3);
    addAlignButton(INKSCAPE_ICON("align-horizontal-left-to-anchor"),
                   _("Align left edges of objects to the right edge of the anchor"),
                   0, 4);
    addAlignButton(INKSCAPE_ICON("align-vertical-bottom-to-anchor"),
                   _("Align bottom edges of objects to the top edge of the anchor"),
                   1, 0);
    addAlignButton(INKSCAPE_ICON("align-vertical-top"),
                   _("Align top edges"),
                   1, 1);
    addAlignButton(INKSCAPE_ICON("align-vertical-center"),
                   _("Center on horizontal axis"),
                   1, 2);
    addAlignButton(INKSCAPE_ICON("align-vertical-bottom"),
                   _("Align bottom edges"),
                   1, 3);
    addAlignButton(INKSCAPE_ICON("align-vertical-top-to-anchor"),
                   _("Align top edges of objects to the bottom edge of the anchor"),
                   1, 4);

    //Baseline aligns
    addBaselineButton(INKSCAPE_ICON("align-horizontal-baseline"),
                   _("Align baseline anchors of texts horizontally"),
                      0, 5, this->align_table(), Geom::X, false);
    addBaselineButton(INKSCAPE_ICON("align-vertical-baseline"),
                   _("Align baselines of texts"),
                     1, 5, this->align_table(), Geom::Y, false);

    //The distribute buttons
    addDistributeButton(INKSCAPE_ICON("distribute-horizontal-gaps"),
                        _("Make horizontal gaps between objects equal"),
                        0, 4, true, Geom::X, .5, .5);

    addDistributeButton(INKSCAPE_ICON("distribute-horizontal-left"),
                        _("Distribute left edges equidistantly"),
                        0, 1, false, Geom::X, 1., 0.);
    addDistributeButton(INKSCAPE_ICON("distribute-horizontal-center"),
                        _("Distribute centers equidistantly horizontally"),
                        0, 2, false, Geom::X, .5, .5);
    addDistributeButton(INKSCAPE_ICON("distribute-horizontal-right"),
                        _("Distribute right edges equidistantly"),
                        0, 3, false, Geom::X, 0., 1.);

    addDistributeButton(INKSCAPE_ICON("distribute-vertical-gaps"),
                        _("Make vertical gaps between objects equal"),
                        1, 4, true, Geom::Y, .5, .5);

    addDistributeButton(INKSCAPE_ICON("distribute-vertical-top"),
                        _("Distribute top edges equidistantly"),
                        1, 1, false, Geom::Y, 0, 1);
    addDistributeButton(INKSCAPE_ICON("distribute-vertical-center"),
                        _("Distribute centers equidistantly vertically"),
                        1, 2, false, Geom::Y, .5, .5);
    addDistributeButton(INKSCAPE_ICON("distribute-vertical-bottom"),
                        _("Distribute bottom edges equidistantly"),
                        1, 3, false, Geom::Y, 1., 0.);

    //Baseline distribs
    addBaselineButton(INKSCAPE_ICON("distribute-horizontal-baseline"),
                   _("Distribute baseline anchors of texts horizontally"),
                      0, 5, this->distribute_table(), Geom::X, true);
    addBaselineButton(INKSCAPE_ICON("distribute-vertical-baseline"),
                   _("Distribute baselines of texts vertically"),
                     1, 5, this->distribute_table(), Geom::Y, true);

    // Rearrange
    //Graph Layout
    addGraphLayoutButton(INKSCAPE_ICON("distribute-graph"),
                            _("Nicely arrange selected connector network"),
                            0, 0);
    addExchangePositionsButton(INKSCAPE_ICON("exchange-positions"),
                            _("Exchange positions of selected objects - selection order"),
                            0, 1);
    addExchangePositionsByZOrderButton(INKSCAPE_ICON("exchange-positions-zorder"),
                            _("Exchange positions of selected objects - stacking order"),
                            0, 2);
    addExchangePositionsClockwiseButton(INKSCAPE_ICON("exchange-positions-clockwise"),
                            _("Exchange positions of selected objects - clockwise rotate"),
                            0, 3);

    //Randomize & Unclump
    addRandomizeButton(INKSCAPE_ICON("distribute-randomize"),
                        _("Randomize centers in both dimensions"),
                        0, 4);
    addUnclumpButton(INKSCAPE_ICON("distribute-unclump"),
                        _("Unclump objects: try to equalize edge-to-edge distances"),
                        0, 5);

    //Remove overlaps
    addRemoveOverlapsButton(INKSCAPE_ICON("distribute-remove-overlaps"),
                            _("Move objects as little as possible so that their bounding boxes do not overlap"),
                            0, 0);

    //Node Mode buttons
    // NOTE: "align nodes vertically" means "move nodes vertically until they align on a common
    // _horizontal_ line". This is analogous to what the "align-vertical-center" icon means.
    // There is no doubt some ambiguity. For this reason the descriptions are different.
    addNodeButton(INKSCAPE_ICON("align-vertical-node"),
                  _("Align selected nodes to a common horizontal line"),
                  0, Geom::X, false);
    addNodeButton(INKSCAPE_ICON("align-horizontal-node"),
                  _("Align selected nodes to a common vertical line"),
                  1, Geom::Y, false);
    addNodeButton(INKSCAPE_ICON("distribute-horizontal-node"),
                  _("Distribute selected nodes horizontally"),
                  2, Geom::X, true);
    addNodeButton(INKSCAPE_ICON("distribute-vertical-node"),
                  _("Distribute selected nodes vertically"),
                  3, Geom::Y, true);

    //Rest of the widgetry

    _combo.append(_("Last selected"));
    _combo.append(_("First selected"));
    _combo.append(_("Biggest object"));
    _combo.append(_("Smallest object"));
    _combo.append(_("Page"));
    _combo.append(_("Drawing"));
    _combo.append(_("Selection"));
    _combo.set_active(prefs->getInt("/dialogs/align/align-to", 6));
    _combo.signal_changed().connect(sigc::mem_fun(*this, &AlignAndDistribute::on_ref_change));

    _anchorBox.pack_end(_combo, false, false);
    _anchorBox.pack_end(_anchorLabel, false, false);

    _selgrpLabel.set_mnemonic_widget(_selgrp);
    _selgrpBox.pack_end(_selgrp, false, false);
    _selgrpBox.pack_end(_selgrpLabel, false, false);
    _selgrp.set_active(prefs->getBool("/dialogs/align/sel-as-groups"));
    _selgrp.signal_toggled().connect(sigc::mem_fun(*this, &AlignAndDistribute::on_selgrp_toggled));

    // Right align the buttons
    _alignTableBox.pack_end(_alignTable, false, false);
    _distributeTableBox.pack_end(_distributeTable, false, false);
    _rearrangeTableBox.pack_end(_rearrangeTable, false, false);
    _removeOverlapTableBox.pack_end(_removeOverlapTable, false, false);
    _nodesTableBox.pack_end(_nodesTable, false, false);

    _alignBox.pack_start(_anchorBox);
    _alignBox.pack_start(_selgrpBox);
    _alignBox.pack_start(_alignTableBox);

    _alignFrame.add(_alignBox);
    _distributeFrame.add(_distributeTableBox);
    _rearrangeFrame.add(_rearrangeTableBox);
    _removeOverlapFrame.add(_removeOverlapTableBox);
    _nodesFrame.add(_nodesTableBox);

    Gtk::Box *contents = _getContents();
    contents->set_spacing(4);

    // Notebook for individual transformations

    contents->pack_start(_alignFrame, true, true);
    contents->pack_start(_distributeFrame, true, true);
    contents->pack_start(_rearrangeFrame, true, true);
    contents->pack_start(_removeOverlapFrame, true, true);
    contents->pack_start(_nodesFrame, true, true);

    //Connect to the global tool change signal
    g_signal_connect (G_OBJECT (INKSCAPE), "set_eventcontext", G_CALLBACK (on_tool_changed), this);

    // Connect to the global selection change, to invalidate cached randomize_bbox
    g_signal_connect (G_OBJECT (INKSCAPE), "change_selection", G_CALLBACK (on_selection_changed), this);
    randomize_bbox = Geom::OptRect();

    _desktopChangeConn = _deskTrack.connectDesktopChanged( sigc::mem_fun(*this, &AlignAndDistribute::setDesktop) );
    _deskTrack.connect(GTK_WIDGET(gobj()));

    show_all_children();

    on_tool_changed (NULL, NULL, this); // set current mode
}
Esempio n. 24
0
/**
 * Gradient auxiliary toolbar construction and setup.
 *
 */
void sp_gradient_toolbox_prep(SPDesktop * desktop, GtkActionGroup* mainActions, GObject* holder)
{
    Inkscape::IconSize secondarySize = ToolboxFactory::prefToSize("/toolbox/secondary", 1);

    /* New gradient linear or radial */
    {
        GtkListStore* model = gtk_list_store_new( 3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING );

        GtkTreeIter iter;
        gtk_list_store_append( model, &iter );
        gtk_list_store_set( model, &iter,
                0, _("linear"), 1, _("Create linear gradient"), 2, INKSCAPE_ICON("paint-gradient-linear"), -1 );

        gtk_list_store_append( model, &iter );
        gtk_list_store_set( model, &iter,
                0, _("radial"), 1, _("Create radial (elliptic or circular) gradient"), 2, INKSCAPE_ICON("paint-gradient-radial"), -1 );

        EgeSelectOneAction* act = ege_select_one_action_new( "GradientNewTypeAction", (""), (""), NULL, GTK_TREE_MODEL(model) );
        g_object_set( act, "short_label", _("New:"), NULL );
        gtk_action_group_add_action( mainActions, GTK_ACTION(act) );
        g_object_set_data( holder, "gradient_new_type_action", act );

        ege_select_one_action_set_appearance( act, "full" );
        ege_select_one_action_set_radio_action_type( act, INK_RADIO_ACTION_TYPE );
        g_object_set( G_OBJECT(act), "icon-property", "iconId", NULL );
        ege_select_one_action_set_icon_column( act, 2 );
        ege_select_one_action_set_tooltip_column( act, 1  );

        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
        gint mode = prefs->getInt("/tools/gradient/newgradient", SP_GRADIENT_TYPE_LINEAR) != SP_GRADIENT_TYPE_LINEAR;
        ege_select_one_action_set_active( act, mode );
        g_signal_connect_after( G_OBJECT(act), "changed", G_CALLBACK(gr_new_type_changed), holder );
    }

    /* New gradient on fill or stroke*/
    {
        GtkListStore* model = gtk_list_store_new( 3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING );

        GtkTreeIter iter;
        gtk_list_store_append( model, &iter );
        gtk_list_store_set( model, &iter,
                            0, _("fill"), 1, _("Create gradient in the fill"), 2, INKSCAPE_ICON("object-fill"), -1 );

        gtk_list_store_append( model, &iter );
        gtk_list_store_set( model, &iter,
                            0, _("stroke"), 1, _("Create gradient in the stroke"), 2, INKSCAPE_ICON("object-stroke"), -1 );

        EgeSelectOneAction* act = ege_select_one_action_new( "GradientNewFillStrokeAction", (""), (""), NULL, GTK_TREE_MODEL(model) );
        g_object_set( act, "short_label", _("on:"), NULL );
        gtk_action_group_add_action( mainActions, GTK_ACTION(act) );
        g_object_set_data( holder, "gradient_new_fillstroke_action", act );

        ege_select_one_action_set_appearance( act, "full" );
        ege_select_one_action_set_radio_action_type( act, INK_RADIO_ACTION_TYPE );
        g_object_set( G_OBJECT(act), "icon-property", "iconId", NULL );
        ege_select_one_action_set_icon_column( act, 2 );
        ege_select_one_action_set_tooltip_column( act, 1  );

        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
        Inkscape::PaintTarget fsmode = (prefs->getInt("/tools/gradient/newfillorstroke", 1) != 0) ? Inkscape::FOR_FILL : Inkscape::FOR_STROKE;
        ege_select_one_action_set_active( act, (fsmode == Inkscape::FOR_FILL) ? 0 : 1 );
        g_signal_connect_after( G_OBJECT(act), "changed", G_CALLBACK(gr_new_fillstroke_changed), holder );
    }


    /* Gradient Select list*/
    {
        GtkListStore *store = gtk_list_store_new(3, G_TYPE_STRING, GDK_TYPE_PIXBUF, G_TYPE_POINTER);

        GtkTreeIter iter;
        gtk_list_store_append(store, &iter);
        gtk_list_store_set(store, &iter, 0, _("No gradient"), 1, NULL, 2, NULL, -1);

        EgeSelectOneAction* act1 = ege_select_one_action_new( "GradientSelectGradientAction", _("Select"), (_("Choose a gradient")), NULL, GTK_TREE_MODEL(store) );
        g_object_set( act1, "short_label", _("Select:"), NULL );
        ege_select_one_action_set_appearance( act1, "compact" );
        gtk_action_set_sensitive( GTK_ACTION(act1), FALSE );
        g_signal_connect( G_OBJECT(act1), "changed", G_CALLBACK(gr_gradient_combo_changed), desktop );
        gtk_action_group_add_action( mainActions, GTK_ACTION(act1) );
        g_object_set_data( holder, "gradient_select_combo_action", act1 );

    }

    // Gradient Repeat type
    {
        GtkListStore* model = gtk_list_store_new( 2, G_TYPE_STRING, G_TYPE_INT );

        GtkTreeIter iter;
        gtk_list_store_append( model, &iter );
        gtk_list_store_set( model, &iter, 0, C_("Gradient repeat type", "None"), 1, SP_GRADIENT_SPREAD_PAD, -1 );

        gtk_list_store_append( model, &iter );
        gtk_list_store_set( model, &iter, 0, _("Reflected"), 1, SP_GRADIENT_SPREAD_REFLECT, -1 );

        gtk_list_store_append( model, &iter );
        gtk_list_store_set( model, &iter, 0, _("Direct"), 1, SP_GRADIENT_SPREAD_REPEAT, -1 );

        EgeSelectOneAction* act1 = ege_select_one_action_new( "GradientSelectRepeatAction", _("Repeat"),
                (// TRANSLATORS: for info, see http://www.w3.org/TR/2000/CR-SVG-20000802/pservers.html#LinearGradientSpreadMethodAttribute
                        _("Whether to fill with flat color beyond the ends of the gradient vector "
                          "(spreadMethod=\"pad\"), or repeat the gradient in the same direction "
                          "(spreadMethod=\"repeat\"), or repeat the gradient in alternating opposite "
                          "directions (spreadMethod=\"reflect\")")),
                NULL, GTK_TREE_MODEL(model) );
        g_object_set( act1, "short_label", _("Repeat:"), NULL );
        ege_select_one_action_set_appearance( act1, "compact" );
        gtk_action_set_sensitive( GTK_ACTION(act1), FALSE );
        g_signal_connect( G_OBJECT(act1), "changed", G_CALLBACK(gr_spread_change), holder );
        gtk_action_group_add_action( mainActions, GTK_ACTION(act1) );
        g_object_set_data( holder, "gradient_select_repeat_action", act1 );
    }

    /* Gradient Stop list */
    {
        GtkListStore *store = gtk_list_store_new(3, G_TYPE_STRING, GDK_TYPE_PIXBUF, G_TYPE_POINTER);

        GtkTreeIter iter;
        gtk_list_store_append(store, &iter);
        gtk_list_store_set(store, &iter, 0, _("No stops"), 1, NULL, 2, NULL, -1);

        EgeSelectOneAction* act1 = ege_select_one_action_new( "GradientEditStopsAction", _("Stops"), _("Select a stop for the current gradient"), NULL, GTK_TREE_MODEL(store) );
        g_object_set( act1, "short_label", _("Stops:"), NULL );
        ege_select_one_action_set_appearance( act1, "compact" );
        gtk_action_set_sensitive( GTK_ACTION(act1), FALSE );
        g_signal_connect( G_OBJECT(act1), "changed", G_CALLBACK(gr_stop_combo_changed), holder );
        gtk_action_group_add_action( mainActions, GTK_ACTION(act1) );
        g_object_set_data( holder, "gradient_stops_combo_action", act1 );
    }

    /* Offset */
    {
        EgeAdjustmentAction* eact = 0;
        eact = create_adjustment_action( "GradientEditOffsetAction",
                                         _("Offset"), C_("Gradient", "Offset:"), _("Offset of selected stop"),
                                         "/tools/gradient/stopoffset", 0,
                                         GTK_WIDGET(desktop->canvas), holder, FALSE, NULL,
                                         0.0, 1.0, 0.01, 0.1,
                                         0, 0, 0,
                                         gr_stop_offset_adjustment_changed,
                                         NULL /*unit tracker*/,
                                         0.01, 2, 1.0);

        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
        g_object_set_data( holder, "offset_action", eact );
        gtk_action_set_sensitive( GTK_ACTION(eact), FALSE );

    }

    /* Add stop */
    {
        InkAction* inky = ink_action_new( "GradientEditAddAction",
                                          _("Insert new stop"),
                                          _("Insert new stop"),
                                          INKSCAPE_ICON("node-add"),
                                          secondarySize );
        g_object_set( inky, "short_label", _("Delete"), NULL );
        g_signal_connect_after( G_OBJECT(inky), "activate", G_CALLBACK(gr_add_stop), holder );
        gtk_action_group_add_action( mainActions, GTK_ACTION(inky) );
        gtk_action_set_sensitive( GTK_ACTION(inky), FALSE );
        g_object_set_data( holder, "gradient_stops_add_action", inky );
    }

    /* Delete stop */
    {
        InkAction* inky = ink_action_new( "GradientEditDeleteAction",
                                          _("Delete stop"),
                                          _("Delete stop"),
                                          INKSCAPE_ICON("node-delete"),
                                          secondarySize );
        g_object_set( inky, "short_label", _("Delete"), NULL );
        g_signal_connect_after( G_OBJECT(inky), "activate", G_CALLBACK(gr_remove_stop), holder );
        gtk_action_group_add_action( mainActions, GTK_ACTION(inky) );
        gtk_action_set_sensitive( GTK_ACTION(inky), FALSE );
        g_object_set_data( holder, "gradient_stops_delete_action", inky );
    }

    /* Reverse */
    {
        InkAction* inky = ink_action_new( "GradientEditReverseAction",
                                          _("Reverse"),
                                          _("Reverse the direction of the gradient"),
                                          INKSCAPE_ICON("object-flip-horizontal"),
                                          secondarySize );
        g_object_set( inky, "short_label", _("Delete"), NULL );
        g_signal_connect_after( G_OBJECT(inky), "activate", G_CALLBACK(gr_reverse), desktop );
        gtk_action_group_add_action( mainActions, GTK_ACTION(inky) );
        gtk_action_set_sensitive( GTK_ACTION(inky), FALSE );
        g_object_set_data( holder, "gradient_stops_reverse_action", inky );

    }

    // Gradients Linked toggle
    {
        InkToggleAction* itact = ink_toggle_action_new( "GradientEditLinkAction",
                                                        _("Link gradients"),
                                                        _("Link gradients to change all related gradients"),
                                                        INKSCAPE_ICON("object-unlocked"),
                                                        Inkscape::ICON_SIZE_DECORATION );
        g_object_set( itact, "short_label", "Lock", NULL );
        g_signal_connect_after( G_OBJECT(itact), "toggled", G_CALLBACK(gr_linked_changed), desktop) ;
        gtk_action_group_add_action( mainActions, GTK_ACTION(itact) );

        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
        bool linkedmode = prefs->getBool("/options/forkgradientvectors/value", true);
        gtk_toggle_action_set_active( GTK_TOGGLE_ACTION(itact), !linkedmode );
    }

    g_object_set_data(holder, "desktop", desktop);

    desktop->connectEventContextChanged(sigc::bind(sigc::ptr_fun(&gradient_toolbox_check_ec), holder));
}
Esempio n. 25
0
void sp_pencil_toolbox_prep(SPDesktop *desktop, GtkActionGroup* mainActions, GObject* holder)
{
    sp_add_freehand_mode_toggle(mainActions, holder, true);
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    EgeAdjustmentAction* eact = 0;

    /* Tolerance */
    {
        gchar const* labels[] = {_("(many nodes, rough)"), _("(default)"), 0, 0, 0, 0, _("(few nodes, smooth)")};
        gdouble values[] = {1, 10, 20, 30, 50, 75, 100};
        eact = create_adjustment_action( "PencilToleranceAction",
                                         _("Smoothing:"), _("Smoothing: "),
                 _("How much smoothing (simplifying) is applied to the line"),
                                         "/tools/freehand/pencil/tolerance",
                                         3.0,
                                         GTK_WIDGET(desktop->canvas),
                                         holder, TRUE, "altx-pencil",
                                         1, 100.0, 0.5, 1.0,
                                         labels, values, G_N_ELEMENTS(labels),
                                         sp_pencil_tb_tolerance_value_changed,
                                         NULL /*unit tracker*/,
                                         1, 2);
        ege_adjustment_action_set_appearance( eact, TOOLBAR_SLIDER_HINT );
        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
    }

    /* advanced shape options */
    freehand_add_advanced_shape_options(mainActions, holder, true);

    /* Reset */
    {
        InkAction* inky = ink_action_new( "PencilResetAction",
                                          _("Defaults"),
                                          _("Reset pencil parameters to defaults (use Inkscape Preferences > Tools to change defaults)"),
                                          INKSCAPE_ICON("edit-clear"),
                                          Inkscape::ICON_SIZE_SMALL_TOOLBAR );
        g_signal_connect_after( G_OBJECT(inky), "activate", G_CALLBACK(sp_pencil_tb_defaults), holder );
        gtk_action_group_add_action( mainActions, GTK_ACTION(inky) );
    }
    /* LPE simplify based tolerance */
    {
        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
        InkToggleAction* itact = ink_toggle_action_new( "PencilLpeSimplify",
                                                        _("LPE based interactive simplify"),
                                                        _("LPE based interactive simplify"),
                                                        INKSCAPE_ICON("interactive_simplify"),
                                                        Inkscape::ICON_SIZE_SMALL_TOOLBAR );
        gtk_toggle_action_set_active(GTK_TOGGLE_ACTION(itact), prefs->getInt("/tools/freehand/pencil/simplify", 0) );
        g_signal_connect_after(  G_OBJECT(itact), "toggled", G_CALLBACK(freehand_simplify_lpe), holder) ;
        gtk_action_group_add_action( mainActions, GTK_ACTION(itact) );
    }
    /* LPE simplify flatten */
    {
        InkAction* inky = ink_action_new( "PencilLpeSimplifyFlatten",
                                          _("LPE simplify flatten"),
                                          _("LPE simplify flatten"),
                                          INKSCAPE_ICON("flatten_simplify"),
                                          Inkscape::ICON_SIZE_SMALL_TOOLBAR );
        g_signal_connect_after( G_OBJECT(inky), "activate", G_CALLBACK(sp_simplify_flatten), holder );
        gtk_action_group_add_action( mainActions, GTK_ACTION(inky) );
        g_object_set_data( holder, "flatten_simplify", inky );
        if (!prefs->getInt("/tools/freehand/pencil/simplify", 0)) {
            gtk_action_set_visible( GTK_ACTION( g_object_get_data(holder, "flatten_simplify") ), false );
        }
    }

    g_signal_connect( holder, "destroy", G_CALLBACK(purge_repr_listener), holder );

}
Esempio n. 26
0
/**
 * Sensing a movement of the original, this function attempts to compensate for it in such a way
 * that the clone stays unmoved or moves in parallel (depending on user setting) regardless of the
 * clone's transform.
 */
void SPUse::move_compensate(Geom::Affine const *mp) {
    // the clone is orphaned; or this is not a real use, but a clone of another use;
    // we skip it, otherwise duplicate compensation will occur
    if (this->cloned) {
        return;
    }

    // never compensate uses which are used in flowtext
    if (parent && dynamic_cast<SPFlowregion *>(parent)) {
        return;
    }

    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    guint mode = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_PARALLEL);
    // user wants no compensation
    if (mode == SP_CLONE_COMPENSATION_NONE)
        return;

    Geom::Affine m(*mp);
    Geom::Affine t = this->get_parent_transform();
    Geom::Affine clone_move = t.inverse() * m * t;

    // this is not a simple move, do not try to compensate
    if (!(m.isTranslation())){
    	//BUT move clippaths accordingly.
        //if clone has a clippath, move it accordingly
        if(clip_ref->getObject()){
            SPObject *clip = clip_ref->getObject()->firstChild() ;
            while(clip){
            	SPItem *item = (SPItem*) clip;
            	if(item){
                    item->transform *= m;
                    Geom::Affine identity;
                    item->doWriteTransform(clip->getRepr(),item->transform, &identity);
            	}
                clip = clip->getNext();
            }
        }
        if(mask_ref->getObject()){
            SPObject *mask = mask_ref->getObject()->firstChild() ;
            while(mask){
            	SPItem *item = (SPItem*) mask;
            	if(item){
                    item->transform *= m;
                    Geom::Affine identity;
                    item->doWriteTransform(mask->getRepr(),item->transform, &identity);
            	}
                mask = mask->getNext();
            }
        }
        return;
    }

    // restore item->transform field from the repr, in case it was changed by seltrans
    this->readAttr ("transform");


    // calculate the compensation matrix and the advertized movement matrix
    Geom::Affine advertized_move;
    if (mode == SP_CLONE_COMPENSATION_PARALLEL) {
        clone_move = clone_move.inverse() * m;
        advertized_move = m;
    } else if (mode == SP_CLONE_COMPENSATION_UNMOVED) {
        clone_move = clone_move.inverse();
        advertized_move.setIdentity();
    } else {
        g_assert_not_reached();
    }

    //if clone has a clippath, move it accordingly
    if(clip_ref->getObject()){
        SPObject *clip = clip_ref->getObject()->firstChild() ;
        while(clip){
        	SPItem *item = (SPItem*) clip;
        	if(item){
                item->transform *= clone_move.inverse();
                Geom::Affine identity;
                item->doWriteTransform(clip->getRepr(),item->transform, &identity);
        	}
            clip = clip->getNext();
        }
    }
    if(mask_ref->getObject()){
        SPObject *mask = mask_ref->getObject()->firstChild() ;
        while(mask){
        	SPItem *item = (SPItem*) mask;
        	if(item){
                item->transform *= clone_move.inverse();
                Geom::Affine identity;
                item->doWriteTransform(mask->getRepr(),item->transform, &identity);
        	}
            mask = mask->getNext();
        }
    }


    // commit the compensation
    this->transform *= clone_move;
    this->doWriteTransform(this->getRepr(), this->transform, &advertized_move);
    this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}
Esempio n. 27
0
gchar *
sp_svg_transform_write(Geom::Matrix const &transform)
{
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();

    double e = 0.000001 * transform.descrim();
    int prec = prefs->getInt("/options/svgoutput/numericprecision", 8);
    int min_exp = prefs->getInt("/options/svgoutput/minimumexponent", -8);

    /* fixme: We could use t1 * t1 + t2 * t2 here instead */
    if ( Geom::are_near(transform[1], 0.0, e) && Geom::are_near (transform[2], 0.0, e)) {
        if (Geom::are_near (transform[4], 0.0, e) && Geom::are_near (transform[5], 0.0, e)) {
            if (Geom::are_near (transform[0], 1.0, e) && Geom::are_near (transform[3], 1.0, e)) {
                /* We are more or less identity */
                return NULL;
            } else {
                /* We are more or less scale */
                gchar c[256];
                unsigned p = 0;
                strcpy (c + p, "scale(");
                p += 6;
                p += sp_svg_number_write_de (c + p, transform[0], prec, min_exp);
                c[p++] = ',';
                p += sp_svg_number_write_de (c + p, transform[3], prec, min_exp);
                c[p++] = ')';
                c[p] = '\000';
                g_assert( p <= sizeof(c) );
                return g_strdup(c);
            }
        } else {
            if (Geom::are_near (transform[0], 1.0, e) && Geom::are_near (transform[3], 1.0, e)) {
                /* We are more or less translate */
                gchar c[256];
                unsigned p = 0;
                strcpy (c + p, "translate(");
                p += 10;
                p += sp_svg_number_write_de (c + p, transform[4], prec, min_exp);
                c[p++] = ',';
                p += sp_svg_number_write_de (c + p, transform[5], prec, min_exp);
                c[p++] = ')';
                c[p] = '\000';
                g_assert( p <= sizeof(c) );
                return g_strdup(c);
            } else {
                gchar c[256];
                unsigned p = 0;
                strcpy (c + p, "matrix(");
                p += 7;
                p += sp_svg_number_write_de (c + p, transform[0], prec, min_exp);
                c[p++] = ',';
                p += sp_svg_number_write_de (c + p, transform[1], prec, min_exp);
                c[p++] = ',';
                p += sp_svg_number_write_de (c + p, transform[2], prec, min_exp);
                c[p++] = ',';
                p += sp_svg_number_write_de (c + p, transform[3], prec, min_exp);
                c[p++] = ',';
                p += sp_svg_number_write_de (c + p, transform[4], prec, min_exp);
                c[p++] = ',';
                p += sp_svg_number_write_de (c + p, transform[5], prec, min_exp);
                c[p++] = ')';
                c[p] = '\000';
                g_assert( p <= sizeof(c) );
                return g_strdup(c);
            }
        }
    } else {
        gchar c[256];
        unsigned p = 0;
        strcpy (c + p, "matrix(");
        p += 7;
        p += sp_svg_number_write_de (c + p, transform[0], prec, min_exp);
        c[p++] = ',';
        p += sp_svg_number_write_de (c + p, transform[1], prec, min_exp);
        c[p++] = ',';
        p += sp_svg_number_write_de (c + p, transform[2], prec, min_exp);
        c[p++] = ',';
        p += sp_svg_number_write_de (c + p, transform[3], prec, min_exp);
        c[p++] = ',';
        p += sp_svg_number_write_de (c + p, transform[4], prec, min_exp);
        c[p++] = ',';
        p += sp_svg_number_write_de (c + p, transform[5], prec, min_exp);
        c[p++] = ')';
        c[p] = '\000';
        g_assert( p <= sizeof(c) );
        return g_strdup(c);
    }
}
Esempio n. 28
0
gint sp_dt_guide_event(SPCanvasItem *item, GdkEvent *event, gpointer data)
{
    static bool moved = false;
    gint ret = FALSE;

    SPGuide *guide = SP_GUIDE(data);
    SPDesktop *desktop = static_cast<SPDesktop*>(g_object_get_data(G_OBJECT(item->canvas), "SPDesktop"));

    switch (event->type) {
    case GDK_2BUTTON_PRESS:
            if (event->button.button == 1) {
                drag_type = SP_DRAG_NONE;
                sp_event_context_discard_delayed_snap_event(desktop->event_context);
                sp_canvas_item_ungrab(item, event->button.time);
                Inkscape::UI::Dialogs::GuidelinePropertiesDialog::showDialog(guide, desktop);
                ret = TRUE;
            }
            break;
    case GDK_BUTTON_PRESS:
            if (event->button.button == 1) {
                Geom::Point const event_w(event->button.x, event->button.y);
                Geom::Point const event_dt(desktop->w2d(event_w));

                // Due to the tolerance allowed when grabbing a guide, event_dt will generally
                // be close to the guide but not just exactly on it. The drag origin calculated
                // here must be exactly on the guide line though, otherwise
                // small errors will occur once we snap, see
                // https://bugs.launchpad.net/inkscape/+bug/333762
                drag_origin = Geom::projection(event_dt, Geom::Line(guide->getPoint(), guide->angle()));

                if (event->button.state & GDK_SHIFT_MASK) {
                    // with shift we rotate the guide
                    drag_type = SP_DRAG_ROTATE;
                } else {
                    if (event->button.state & GDK_CONTROL_MASK) {
                        drag_type = SP_DRAG_MOVE_ORIGIN;
                    } else {
                        drag_type = SP_DRAG_TRANSLATE;
                    }
                }

                if (drag_type == SP_DRAG_ROTATE || drag_type == SP_DRAG_TRANSLATE) {
                    sp_canvas_item_grab(item,
                                        ( GDK_BUTTON_RELEASE_MASK  |
                                          GDK_BUTTON_PRESS_MASK    |
                                          GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK ),
                                        NULL,
                                        event->button.time);
                }
                ret = TRUE;
            }
            break;
        case GDK_MOTION_NOTIFY:
            if (drag_type != SP_DRAG_NONE) {
                Geom::Point const motion_w(event->motion.x,
                                           event->motion.y);
                Geom::Point motion_dt(desktop->w2d(motion_w));

                sp_event_context_snap_delay_handler(desktop->event_context, (gpointer) item, data, (GdkEventMotion *)event, Inkscape::UI::Tools::DelayedSnapEvent::GUIDE_HANDLER);

                // This is for snapping while dragging existing guidelines. New guidelines,
                // which are dragged off the ruler, are being snapped in sp_dt_ruler_event
                SnapManager &m = desktop->namedview->snap_manager;
                m.setup(desktop, true, NULL, NULL, guide);
                if (drag_type == SP_DRAG_MOVE_ORIGIN) {
                    // If we snap in guideConstrainedSnap() below, then motion_dt will
                    // be forced to be on the guide. If we don't snap however, then
                    // the origin should still be constrained to the guide. So let's do
                    // that explicitly first:
                    Geom::Line line(guide->getPoint(), guide->angle());
                    Geom::Coord t = line.nearestTime(motion_dt);
                    motion_dt = line.pointAt(t);
                    if (!(event->motion.state & GDK_SHIFT_MASK)) {
                        m.guideConstrainedSnap(motion_dt, *guide);
                    }
                } else if (!((drag_type == SP_DRAG_ROTATE) && (event->motion.state & GDK_CONTROL_MASK))) {
                    // cannot use shift here to disable snapping, because we already use it for rotating the guide
                    Geom::Point temp;
                    if (drag_type == SP_DRAG_ROTATE) {
                        temp = guide->getPoint();
                        m.guideFreeSnap(motion_dt, temp, true, false);
                        guide->moveto(temp, false);
                    } else {
                        temp = guide->getNormal();
                        m.guideFreeSnap(motion_dt, temp, false, true);
                        guide->set_normal(temp, false);
                    }
                }
                m.unSetup();

                switch (drag_type) {
                    case SP_DRAG_TRANSLATE:
                    {
                        guide->moveto(motion_dt, false);
                        break;
                    }
                    case SP_DRAG_ROTATE:
                    {
                        Geom::Point pt = motion_dt - guide->getPoint();
                        Geom::Angle angle(pt);
                        if (event->motion.state & GDK_CONTROL_MASK) {
                            Inkscape::Preferences *prefs = Inkscape::Preferences::get();
                            unsigned const snaps = abs(prefs->getInt("/options/rotationsnapsperpi/value", 12));
                            bool const relative_snaps = prefs->getBool("/options/relativeguiderotationsnap/value", false);
                            if (snaps) {
                                if (relative_snaps) {
                                    Geom::Angle orig_angle(guide->getNormal());
                                    Geom::Angle snap_angle = angle - orig_angle;
                                    double sections = floor(snap_angle.radians0() * snaps / M_PI + .5);
                                    angle = (M_PI / snaps) * sections + orig_angle.radians0();
                                } else {
                                    double sections = floor(angle.radians0() * snaps / M_PI + .5);
                                    angle = (M_PI / snaps) * sections;
                                }
                            }
                        }
                        guide->set_normal(Geom::Point::polar(angle).cw(), false);
                        break;
                    }
                    case SP_DRAG_MOVE_ORIGIN:
                    {
                        guide->moveto(motion_dt, false);
                        break;
                    }
                    case SP_DRAG_NONE:
                        assert(false);
                        break;
                }
                moved = true;
                desktop->set_coordinate_status(motion_dt);

                ret = TRUE;
            }
            break;
    case GDK_BUTTON_RELEASE:
            if (drag_type != SP_DRAG_NONE && event->button.button == 1) {
                sp_event_context_discard_delayed_snap_event(desktop->event_context);

                if (moved) {
                    Geom::Point const event_w(event->button.x,
                                              event->button.y);
                    Geom::Point event_dt(desktop->w2d(event_w));

                    SnapManager &m = desktop->namedview->snap_manager;
                    m.setup(desktop, true, NULL, NULL, guide);
                    if (drag_type == SP_DRAG_MOVE_ORIGIN) {
                        // If we snap in guideConstrainedSnap() below, then motion_dt will
                        // be forced to be on the guide. If we don't snap however, then
                        // the origin should still be constrained to the guide. So let's
                        // do that explicitly first:
                        Geom::Line line(guide->getPoint(), guide->angle());
                        Geom::Coord t = line.nearestTime(event_dt);
                        event_dt = line.pointAt(t);
                        if (!(event->button.state & GDK_SHIFT_MASK)) {
                            m.guideConstrainedSnap(event_dt, *guide);
                        }
                    } else if (!((drag_type == SP_DRAG_ROTATE) && (event->motion.state & GDK_CONTROL_MASK))) {
                        // cannot use shift here to disable snapping, because we already use it for rotating the guide
                        Geom::Point temp;
                        if (drag_type == SP_DRAG_ROTATE) {
                            temp = guide->getPoint();
                            m.guideFreeSnap(event_dt, temp, true, false);
                            guide->moveto(temp, false);
                        } else {
                            temp = guide->getNormal();
                            m.guideFreeSnap(event_dt, temp, false, true);
                            guide->set_normal(temp, false);
                        }
                    }
                    m.unSetup();

                    if (sp_canvas_world_pt_inside_window(item->canvas, event_w)) {
                        switch (drag_type) {
                            case SP_DRAG_TRANSLATE:
                            {
                                guide->moveto(event_dt, true);
                                break;
                            }
                            case SP_DRAG_ROTATE:
                            {
                                Geom::Point pt = event_dt - guide->getPoint();
                                Geom::Angle angle(pt);
                                if (event->motion.state & GDK_CONTROL_MASK) {
                                    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
                                    unsigned const snaps = abs(prefs->getInt("/options/rotationsnapsperpi/value", 12));
                                    bool const relative_snaps = prefs->getBool("/options/relativeguiderotationsnap/value", false);
                                    if (snaps) {
                                        if (relative_snaps) {
                                            Geom::Angle orig_angle(guide->getNormal());
                                            Geom::Angle snap_angle = angle - orig_angle;
                                            double sections = floor(snap_angle.radians0() * snaps / M_PI + .5);
                                            angle = (M_PI / snaps) * sections + orig_angle.radians0();
                                        } else {
                                            double sections = floor(angle.radians0() * snaps / M_PI + .5);
                                            angle = (M_PI / snaps) * sections;
                                        }
                                    }
                                }
                                guide->set_normal(Geom::Point::polar(angle).cw(), true);
                                break;
                            }
                            case SP_DRAG_MOVE_ORIGIN:
                            {
                                guide->moveto(event_dt, true);
                                break;
                            }
                            case SP_DRAG_NONE:
                                assert(false);
                                break;
                        }
                        DocumentUndo::done(desktop->getDocument(), SP_VERB_NONE,
                                         _("Move guide"));
                    } else {
                        /* Undo movement of any attached shapes. */
                        guide->moveto(guide->getPoint(), false);
                        guide->set_normal(guide->getNormal(), false);
                        sp_guide_remove(guide);
                        DocumentUndo::done(desktop->getDocument(), SP_VERB_NONE,
                                     _("Delete guide"));
                    }
                    moved = false;
                    desktop->set_coordinate_status(event_dt);
                }
                drag_type = SP_DRAG_NONE;
                sp_canvas_item_ungrab(item, event->button.time);
                ret=TRUE;
            }
            break;
    case GDK_ENTER_NOTIFY:
    {
            sp_guideline_set_color(SP_GUIDELINE(item), guide->getHiColor());

            // set move or rotate cursor
            Geom::Point const event_w(event->crossing.x, event->crossing.y);

            if ((event->crossing.state & GDK_SHIFT_MASK) && (drag_type != SP_DRAG_MOVE_ORIGIN)) {
                GdkCursor *guide_cursor;
                guide_cursor = gdk_cursor_new (GDK_EXCHANGE);
                gdk_window_set_cursor(gtk_widget_get_window (GTK_WIDGET(desktop->getCanvas())), guide_cursor);
#if GTK_CHECK_VERSION(3,0,0)
                g_object_unref(guide_cursor);
#else
                gdk_cursor_unref(guide_cursor);
#endif
            } else {
                GdkCursor *guide_cursor;
                guide_cursor = gdk_cursor_new (GDK_HAND1);
                gdk_window_set_cursor(gtk_widget_get_window (GTK_WIDGET(desktop->getCanvas())), guide_cursor);
#if GTK_CHECK_VERSION(3,0,0)
                g_object_unref(guide_cursor);
#else
                gdk_cursor_unref(guide_cursor);
#endif
            }

            char *guide_description = guide->description();
            desktop->guidesMessageContext()->setF(Inkscape::NORMAL_MESSAGE, _("<b>Guideline</b>: %s"), guide_description);
            g_free(guide_description);
            break;
    }
    case GDK_LEAVE_NOTIFY:
            sp_guideline_set_color(SP_GUIDELINE(item), guide->getColor());

            // restore event context's cursor
            gdk_window_set_cursor(gtk_widget_get_window (GTK_WIDGET(desktop->getCanvas())), desktop->event_context->cursor);

            desktop->guidesMessageContext()->clear();
            break;
        case GDK_KEY_PRESS:
            switch (Inkscape::UI::Tools::get_group0_keyval (&event->key)) {
                case GDK_KEY_Delete:
                case GDK_KEY_KP_Delete:
                case GDK_KEY_BackSpace:
                {
                    SPDocument *doc = guide->document;
                    sp_guide_remove(guide);
                    DocumentUndo::done(doc, SP_VERB_NONE, _("Delete guide"));
                    ret = TRUE;
                    sp_event_context_discard_delayed_snap_event(desktop->event_context);
                    break;
                }
                case GDK_KEY_Shift_L:
                case GDK_KEY_Shift_R:
                    if (drag_type != SP_DRAG_MOVE_ORIGIN) {
                        GdkCursor *guide_cursor;
                        guide_cursor = gdk_cursor_new (GDK_EXCHANGE);
                        gdk_window_set_cursor(gtk_widget_get_window (GTK_WIDGET(desktop->getCanvas())), guide_cursor);
#if GTK_CHECK_VERSION(3,0,0)
            g_object_unref(guide_cursor);
#else
                        gdk_cursor_unref(guide_cursor);
#endif
                        ret = TRUE;
                        break;
                    }

                default:
                    // do nothing;
                    break;
            }
            break;
        case GDK_KEY_RELEASE:
            switch (Inkscape::UI::Tools::get_group0_keyval (&event->key)) {
                case GDK_KEY_Shift_L:
                case GDK_KEY_Shift_R:
                    GdkCursor *guide_cursor;
                    guide_cursor = gdk_cursor_new (GDK_EXCHANGE);
                    gdk_window_set_cursor(gtk_widget_get_window (GTK_WIDGET(desktop->getCanvas())), guide_cursor);
#if GTK_CHECK_VERSION(3,0,0)
            g_object_unref(guide_cursor);
#else
                    gdk_cursor_unref(guide_cursor);
#endif
                    break;
                default:
                    // do nothing;
                    break;
            }
            break;
    default:
        break;
    }

    return ret;
}
Esempio n. 29
0
static gint
sp_select_context_root_handler(SPEventContext *event_context, GdkEvent *event)
{
    SPItem *item = NULL;
    SPItem *item_at_point = NULL, *group_at_point = NULL, *item_in_group = NULL;
    gint ret = FALSE;

    SPDesktop *desktop = event_context->desktop;
    SPSelectContext *sc = SP_SELECT_CONTEXT(event_context);
    Inkscape::SelTrans *seltrans = sc->_seltrans;
    Inkscape::Selection *selection = sp_desktop_selection(desktop);
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();

    // make sure we still have valid objects to move around
    if (sc->item && SP_OBJECT_DOCUMENT( SP_OBJECT(sc->item))==NULL) {
        sp_select_context_abort(event_context);
    }

    switch (event->type) {
        case GDK_2BUTTON_PRESS:
            if (event->button.button == 1) {
                if (!selection->isEmpty()) {
                    SPItem *clicked_item = (SPItem *) selection->itemList()->data;
                    if (SP_IS_GROUP(clicked_item) && !SP_IS_BOX3D(clicked_item)) { // enter group if it's not a 3D box
                        desktop->setCurrentLayer(reinterpret_cast<SPObject *>(clicked_item));
                        sp_desktop_selection(desktop)->clear();
                        sc->dragging = false;
                        sp_event_context_discard_delayed_snap_event(event_context);

                        desktop->canvas->end_forced_full_redraws();
                    } else { // switch tool
                        Geom::Point const button_pt(event->button.x, event->button.y);
                        Geom::Point const p(desktop->w2d(button_pt));
                        tools_switch_by_item (desktop, clicked_item, p);
                    }
                } else {
                    sp_select_context_up_one_layer(desktop);
                }
                ret = TRUE;
            }
            break;
        case GDK_BUTTON_PRESS:
            if (event->button.button == 1 && !event_context->space_panning) {

                // save drag origin
                xp = (gint) event->button.x;
                yp = (gint) event->button.y;
                within_tolerance = true;

                Geom::Point const button_pt(event->button.x, event->button.y);
                Geom::Point const p(desktop->w2d(button_pt));
                if (event->button.state & GDK_MOD1_MASK)
                    Inkscape::Rubberband::get(desktop)->setMode(RUBBERBAND_MODE_TOUCHPATH);
                Inkscape::Rubberband::get(desktop)->start(desktop, p);
                if (sc->grabbed) {
                    sp_canvas_item_ungrab(sc->grabbed, event->button.time);
                    sc->grabbed = NULL;
                }
                sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->acetate),
                                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK,
                                    NULL, event->button.time);
                sc->grabbed = SP_CANVAS_ITEM(desktop->acetate);

                // remember what modifiers were on before button press
                sc->button_press_shift = (event->button.state & GDK_SHIFT_MASK) ? true : false;
                sc->button_press_ctrl = (event->button.state & GDK_CONTROL_MASK) ? true : false;
                sc->button_press_alt = (event->button.state & GDK_MOD1_MASK) ? true : false;

                sc->moved = FALSE;

                rb_escaped = drag_escaped = 0;

                ret = TRUE;
            } else if (event->button.button == 3) {
                // right click; do not eat it so that right-click menu can appear, but cancel dragging & rubberband
                sp_select_context_abort(event_context);
            }
            break;

        case GDK_MOTION_NOTIFY:
        	tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100);
        	if (event->motion.state & GDK_BUTTON1_MASK && !event_context->space_panning) {
                Geom::Point const motion_pt(event->motion.x, event->motion.y);
                Geom::Point const p(desktop->w2d(motion_pt));

                if ( within_tolerance
                     && ( abs( (gint) event->motion.x - xp ) < tolerance )
                     && ( abs( (gint) event->motion.y - yp ) < tolerance ) ) {
                    break; // do not drag if we're within tolerance from origin
                }
                // Once the user has moved farther than tolerance from the original location
                // (indicating they intend to move the object, not click), then always process the
                // motion notify coordinates as given (no snapping back to origin)
                within_tolerance = false;

                if (sc->button_press_ctrl || (sc->button_press_alt && !sc->button_press_shift && !selection->isEmpty())) {
                    // if it's not click and ctrl or alt was pressed (the latter with some selection
                    // but not with shift) we want to drag rather than rubberband
                  	sc->dragging = TRUE;
                    desktop->setCursor(SP_SELECT_D_CURSOR);
                    
                    desktop->canvas->force_full_redraw_after_interruptions(5);
                }

                if (sc->dragging) {
                    /* User has dragged fast, so we get events on root (lauris)*/
                    // not only that; we will end up here when ctrl-dragging as well
                    // and also when we started within tolerance, but trespassed tolerance outside of item
                    Inkscape::Rubberband::get(desktop)->stop();
                    SP_EVENT_CONTEXT(sc)->defaultMessageContext()->clear();
                    item_at_point = desktop->item_at_point(Geom::Point(event->button.x, event->button.y), FALSE);
                    if (!item_at_point) // if no item at this point, try at the click point (bug 1012200)
                        item_at_point = desktop->item_at_point(Geom::Point(xp, yp), FALSE);
                    if (item_at_point || sc->moved || sc->button_press_alt) {
                        // drag only if starting from an item, or if something is already grabbed, or if alt-dragging
                        if (!sc->moved) {
                            item_in_group = desktop->item_at_point(Geom::Point(event->button.x, event->button.y), TRUE);
                            group_at_point = desktop->group_at_point(Geom::Point(event->button.x, event->button.y));
                            if (SP_IS_LAYER(selection->single()))
                                group_at_point = SP_GROUP(selection->single());

                            // group-at-point is meant to be topmost item if it's a group,
                            // not topmost group of all items at point
                            if (group_at_point != item_in_group &&
                                !(group_at_point && item_at_point &&
                                  group_at_point->isAncestorOf(item_at_point)))
                                group_at_point = NULL;

                            // if neither a group nor an item (possibly in a group) at point are selected, set selection to the item at point
                            if ((!item_in_group || !selection->includes(item_in_group)) &&
                                (!group_at_point || !selection->includes(group_at_point))
                                && !sc->button_press_alt) {
                                // select what is under cursor
                                if (!seltrans->isEmpty()) {
                                    seltrans->resetState();
                                }
                                // when simply ctrl-dragging, we don't want to go into groups
                                if (item_at_point && !selection->includes(item_at_point))
                                    selection->set(item_at_point);
                            } // otherwise, do not change selection so that dragging selected-within-group items, as well as alt-dragging, is possible
                            seltrans->grab(p, -1, -1, FALSE, TRUE);
                            sc->moved = TRUE;
                        }
                        if (!seltrans->isEmpty())
                            seltrans->moveTo(p, event->button.state);
                        desktop->scroll_to_point(p);
                        gobble_motion_events(GDK_BUTTON1_MASK);
                        ret = TRUE;
                    } else {
                        sc->dragging = FALSE;
                        sp_event_context_discard_delayed_snap_event(event_context);
                        desktop->canvas->end_forced_full_redraws();
                    }
                } else {
                    if (Inkscape::Rubberband::get(desktop)->is_started()) {
                        Inkscape::Rubberband::get(desktop)->move(p);
                        if (Inkscape::Rubberband::get(desktop)->getMode() == RUBBERBAND_MODE_TOUCHPATH) {
                            event_context->defaultMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Draw over</b> objects to select them; release <b>Alt</b> to switch to rubberband selection"));
                        } else {
                            event_context->defaultMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag around</b> objects to select them; press <b>Alt</b> to switch to touch selection"));
                        }
                        gobble_motion_events(GDK_BUTTON1_MASK);
                    }
                }
            }
            break;
        case GDK_BUTTON_RELEASE:
            xp = yp = 0;
            if ((event->button.button == 1) && (sc->grabbed) && !event_context->space_panning) {
                if (sc->dragging) {
                    if (sc->moved) {
                        // item has been moved
                        seltrans->ungrab();
                        sc->moved = FALSE;
                    } else if (sc->item && !drag_escaped) {
                        // item has not been moved -> simply a click, do selecting
                        if (!selection->isEmpty()) {
                            if (event->button.state & GDK_SHIFT_MASK) {
                                // with shift, toggle selection
                                seltrans->resetState();
                                selection->toggle(sc->item);
                            } else {
                                SPObject* single = selection->single();
                                // without shift, increase state (i.e. toggle scale/rotation handles)
                                if (selection->includes(sc->item)) {
                                    seltrans->increaseState();
                                } else if (SP_IS_LAYER(single) && single->isAncestorOf(sc->item)) {
                                    seltrans->increaseState();
                                } else {
                                    seltrans->resetState();
                                    selection->set(sc->item);
                                }
                            }
                        } else { // simple or shift click, no previous selection
                            seltrans->resetState();
                            selection->set(sc->item);
                        }
                    }
                    sc->dragging = FALSE;
                    desktop->setCursor(SP_SELECT_CURSOR);
                    sp_event_context_discard_delayed_snap_event(event_context);
                    desktop->canvas->end_forced_full_redraws();

                    if (sc->item) {
                        sp_object_unref( SP_OBJECT(sc->item), NULL);
                    }
                    sc->item = NULL;
                } else {
                    Inkscape::Rubberband *r = Inkscape::Rubberband::get(desktop);
                    if (r->is_started() && !within_tolerance) {
                        // this was a rubberband drag
                        GSList *items = NULL;
                        if (r->getMode() == RUBBERBAND_MODE_RECT) {
                            Geom::OptRect const b = r->getRectangle();
                            items = sp_document_items_in_box(sp_desktop_document(desktop), desktop->dkey, *b);
                        } else if (r->getMode() == RUBBERBAND_MODE_TOUCHPATH) {
                            items = sp_document_items_at_points(sp_desktop_document(desktop), desktop->dkey, r->getPoints());
                        }

                        seltrans->resetState();
                        r->stop();
                        SP_EVENT_CONTEXT(sc)->defaultMessageContext()->clear();

                        if (event->button.state & GDK_SHIFT_MASK) {
                            // with shift, add to selection
                            selection->addList (items);
                        } else {
                            // without shift, simply select anew
                            selection->setList (items);
                        }
                        g_slist_free (items);
                    } else { // it was just a click, or a too small rubberband
                        r->stop();
                        if (sc->button_press_shift && !rb_escaped && !drag_escaped) {
                            // this was a shift+click or alt+shift+click, select what was clicked upon

                            sc->button_press_shift = false;

                            if (sc->button_press_ctrl) {
                                // go into groups, honoring Alt
                                item = sp_event_context_find_item (desktop,
                                                   Geom::Point(event->button.x, event->button.y), event->button.state & GDK_MOD1_MASK, TRUE);
                                sc->button_press_ctrl = FALSE;
                            } else {
                                // don't go into groups, honoring Alt
                                item = sp_event_context_find_item (desktop,
                                                   Geom::Point(event->button.x, event->button.y), event->button.state & GDK_MOD1_MASK, FALSE);
                            }

                            if (item) {
                                selection->toggle(item);
                                item = NULL;
                            }

                        } else if ((sc->button_press_ctrl || sc->button_press_alt) && !rb_escaped && !drag_escaped) { // ctrl+click, alt+click

                            item = sp_event_context_find_item (desktop,
                                         Geom::Point(event->button.x, event->button.y), sc->button_press_alt, sc->button_press_ctrl);

                            sc->button_press_ctrl = FALSE;
                            sc->button_press_alt = FALSE;

                            if (item) {
                                if (selection->includes(item)) {
                                    seltrans->increaseState();
                                } else {
                                    seltrans->resetState();
                                    selection->set(item);
                                }
                                item = NULL;
                            }

                        } else { // click without shift, simply deselect, unless with Alt or something was cancelled
                            if (!selection->isEmpty()) {
                                if (!(rb_escaped) && !(drag_escaped) && !(event->button.state & GDK_MOD1_MASK))
                                    selection->clear();
                                rb_escaped = 0;
                                ret = TRUE;
                            }
                        }
                    }
                    ret = TRUE;
                }
                if (sc->grabbed) {
                    sp_canvas_item_ungrab(sc->grabbed, event->button.time);
                    sc->grabbed = NULL;
                }

                desktop->updateNow();
            }
            if (event->button.button == 1) {
                Inkscape::Rubberband::get(desktop)->stop(); // might have been started in another tool!
            }
            sc->button_press_shift = false;
            sc->button_press_ctrl = false;
            sc->button_press_alt = false;
            break;

        case GDK_KEY_PRESS: // keybindings for select context

			{
			{
        	guint keyval = get_group0_keyval(&event->key);
            bool alt = ( MOD__ALT
                                    || (keyval == GDK_Alt_L)
                                    || (keyval == GDK_Alt_R)
                                    || (keyval == GDK_Meta_L)
                                    || (keyval == GDK_Meta_R));

            if (!key_is_a_modifier (keyval)) {
                    event_context->defaultMessageContext()->clear();
            } else if (sc->grabbed || seltrans->isGrabbed()) {
                if (Inkscape::Rubberband::get(desktop)->is_started()) {
                    // if Alt then change cursor to moving cursor:
                    if (alt) {
                        Inkscape::Rubberband::get(desktop)->setMode(RUBBERBAND_MODE_TOUCHPATH);
                    }
                } else {
                // do not change the statusbar text when mousekey is down to move or transform the object,
                // because the statusbar text is already updated somewhere else.
                   break;
                }
            } else {
                    sp_event_show_modifier_tip (event_context->defaultMessageContext(), event,
                                                _("<b>Ctrl</b>: click to select in groups; drag to move hor/vert"),
                                                _("<b>Shift</b>: click to toggle select; drag for rubberband selection"),
                                                _("<b>Alt</b>: click to select under; drag to move selected or select by touch"));
                    // if Alt and nonempty selection, show moving cursor ("move selected"):
                    if (alt && !selection->isEmpty() && !desktop->isWaitingCursor()) {
                        desktop->setCursor(SP_SELECT_D_CURSOR);
                    }
                    //*/
                    break;
            }
			}

            gdouble const nudge = prefs->getDoubleLimited("/options/nudgedistance/value", 2, 0, 1000); // in px
			gdouble const offset = prefs->getDoubleLimited("/options/defaultscale/value", 2, 0, 1000);
			int const snaps = prefs->getInt("/options/rotationsnapsperpi/value", 12);

			switch (get_group0_keyval (&event->key)) {
                case GDK_Left: // move selection left
                case GDK_KP_Left:
                case GDK_KP_4:
                    if (!MOD__CTRL) { // not ctrl
                        gint mul = 1 + gobble_key_events(
                            get_group0_keyval(&event->key), 0); // with any mask
                        if (MOD__ALT) { // alt
                            if (MOD__SHIFT) sp_selection_move_screen(desktop, mul*-10, 0); // shift
                            else sp_selection_move_screen(desktop, mul*-1, 0); // no shift
                        }
                        else { // no alt
                            if (MOD__SHIFT) sp_selection_move(desktop, mul*-10*nudge, 0); // shift
                            else sp_selection_move(desktop, mul*-nudge, 0); // no shift
                        }
                        ret = TRUE;
                    }
                    break;
                case GDK_Up: // move selection up
                case GDK_KP_Up:
                case GDK_KP_8:
                    if (!MOD__CTRL) { // not ctrl
                        gint mul = 1 + gobble_key_events(
                            get_group0_keyval(&event->key), 0); // with any mask
                        if (MOD__ALT) { // alt
                            if (MOD__SHIFT) sp_selection_move_screen(desktop, 0, mul*10); // shift
                            else sp_selection_move_screen(desktop, 0, mul*1); // no shift
                        }
                        else { // no alt
                            if (MOD__SHIFT) sp_selection_move(desktop, 0, mul*10*nudge); // shift
                            else sp_selection_move(desktop, 0, mul*nudge); // no shift
                        }
                        ret = TRUE;
                    }
                    break;
                case GDK_Right: // move selection right
                case GDK_KP_Right:
                case GDK_KP_6:
                    if (!MOD__CTRL) { // not ctrl
                        gint mul = 1 + gobble_key_events(
                            get_group0_keyval(&event->key), 0); // with any mask
                        if (MOD__ALT) { // alt
                            if (MOD__SHIFT) sp_selection_move_screen(desktop, mul*10, 0); // shift
                            else sp_selection_move_screen(desktop, mul*1, 0); // no shift
                        }
                        else { // no alt
                            if (MOD__SHIFT) sp_selection_move(desktop, mul*10*nudge, 0); // shift
                            else sp_selection_move(desktop, mul*nudge, 0); // no shift
                        }
                        ret = TRUE;
                    }
                    break;
                case GDK_Down: // move selection down
                case GDK_KP_Down:
                case GDK_KP_2:
                    if (!MOD__CTRL) { // not ctrl
                        gint mul = 1 + gobble_key_events(
                            get_group0_keyval(&event->key), 0); // with any mask
                        if (MOD__ALT) { // alt
                            if (MOD__SHIFT) sp_selection_move_screen(desktop, 0, mul*-10); // shift
                            else sp_selection_move_screen(desktop, 0, mul*-1); // no shift
                        }
                        else { // no alt
                            if (MOD__SHIFT) sp_selection_move(desktop, 0, mul*-10*nudge); // shift
                            else sp_selection_move(desktop, 0, mul*-nudge); // no shift
                        }
                        ret = TRUE;
                    }
                    break;
                case GDK_Escape:
                    if (!sp_select_context_abort(event_context))
                        selection->clear();
                    ret = TRUE;
                    break;
                case GDK_a:
                case GDK_A:
                    if (MOD__CTRL_ONLY) {
                        sp_edit_select_all(desktop);
                        ret = TRUE;
                    }
                    break;
                case GDK_space:
                    /* stamping mode: show outline mode moving */
                    /* FIXME: Is next condition ok? (lauris) */
                    if (sc->dragging && sc->grabbed) {
                        seltrans->stamp();
                        ret = TRUE;
                    }
                    break;
                case GDK_x:
                case GDK_X:
                    if (MOD__ALT_ONLY) {
                        desktop->setToolboxFocusTo ("altx");
                        ret = TRUE;
                    }
                    break;
                case GDK_bracketleft:
                    if (MOD__ALT) {
                        gint mul = 1 + gobble_key_events(
                            get_group0_keyval(&event->key), 0); // with any mask
                        sp_selection_rotate_screen(selection, mul*1);
                    } else if (MOD__CTRL) {
                        sp_selection_rotate(selection, 90);
                    } else if (snaps) {
                        sp_selection_rotate(selection, 180.0/snaps);
                    }
                    ret = TRUE;
                    break;
                case GDK_bracketright:
                    if (MOD__ALT) {
                        gint mul = 1 + gobble_key_events(
                            get_group0_keyval(&event->key), 0); // with any mask
                        sp_selection_rotate_screen(selection, -1*mul);
                    } else if (MOD__CTRL) {
                        sp_selection_rotate(selection, -90);
                    } else if (snaps) {
                        sp_selection_rotate(selection, -180.0/snaps);
                    }
                    ret = TRUE;
                    break;
                case GDK_less:
                case GDK_comma:
                    if (MOD__ALT) {
                        gint mul = 1 + gobble_key_events(
                            get_group0_keyval(&event->key), 0); // with any mask
                        sp_selection_scale_screen(selection, -2*mul);
                    } else if (MOD__CTRL) {
                        sp_selection_scale_times(selection, 0.5);
                    } else {
                        gint mul = 1 + gobble_key_events(
                            get_group0_keyval(&event->key), 0); // with any mask
                        sp_selection_scale(selection, -offset*mul);
                    }
                    ret = TRUE;
                    break;
                case GDK_greater:
                case GDK_period:
                    if (MOD__ALT) {
                        gint mul = 1 + gobble_key_events(
                            get_group0_keyval(&event->key), 0); // with any mask
                        sp_selection_scale_screen(selection, 2*mul);
                    } else if (MOD__CTRL) {
                        sp_selection_scale_times(selection, 2);
                    } else {
                        gint mul = 1 + gobble_key_events(
                            get_group0_keyval(&event->key), 0); // with any mask
                        sp_selection_scale(selection, offset*mul);
                    }
                    ret = TRUE;
                    break;
                case GDK_Return:
                    if (MOD__CTRL_ONLY) {
                        if (selection->singleItem()) {
                            SPItem *clicked_item = selection->singleItem();
                            if ( SP_IS_GROUP(clicked_item) ||
                                 SP_IS_BOX3D(clicked_item)) { // enter group or a 3D box
                                desktop->setCurrentLayer(reinterpret_cast<SPObject *>(clicked_item));
                                sp_desktop_selection(desktop)->clear();
                            } else {
                                SP_EVENT_CONTEXT(sc)->desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Selected object is not a group. Cannot enter."));
                            }
                        }
                        ret = TRUE;
                    }
                    break;
                case GDK_BackSpace:
                    if (MOD__CTRL_ONLY) {
                        sp_select_context_up_one_layer(desktop);
                        ret = TRUE;
                    }
                    break;
                case GDK_s:
                case GDK_S:
                    if (MOD__SHIFT_ONLY) {
                        if (!selection->isEmpty()) {
                            seltrans->increaseState();
                        }
                        ret = TRUE;
                    }
                    break;
                case GDK_g:
                case GDK_G:
                    if (MOD__SHIFT_ONLY) {
                        sp_selection_to_guides(desktop);
                        ret = true;
                    }
                    break;
                default:
                    break;
            }
            break;
			}
        case GDK_KEY_RELEASE:
            {
            guint keyval = get_group0_keyval(&event->key);
            if (key_is_a_modifier (keyval))
                event_context->defaultMessageContext()->clear();

            bool alt = ( MOD__ALT
                         || (keyval == GDK_Alt_L)
                         || (keyval == GDK_Alt_R)
                         || (keyval == GDK_Meta_L)
                         || (keyval == GDK_Meta_R));

            if (Inkscape::Rubberband::get(desktop)->is_started()) {
                // if Alt then change cursor to moving cursor:
                if (alt) {
                    Inkscape::Rubberband::get(desktop)->setMode(RUBBERBAND_MODE_RECT);
                }
            }
            }
            // set cursor to default.
            if (!desktop->isWaitingCursor()) {
                desktop->setCursor(event_context->cursor_shape);
            }
            break;
        default:
            break;
    }

    if (!ret) {
        if (((SPEventContextClass *) parent_class)->root_handler)
            ret = ((SPEventContextClass *) parent_class)->root_handler(event_context, event);
    }

    return ret;
}
static gint
sp_gradient_context_root_handler(SPEventContext *event_context, GdkEvent *event)
{
    static bool dragging;

    SPDesktop *desktop = event_context->desktop;
    Inkscape::Selection *selection = sp_desktop_selection (desktop);
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();

    SPGradientContext *rc = SP_GRADIENT_CONTEXT(event_context);

    event_context->tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100);
    double const nudge = prefs->getDoubleLimited("/options/nudgedistance/value", 2, 0, 1000); // in px

    GrDrag *drag = event_context->_grdrag;
    g_assert (drag);

    gint ret = FALSE;
    switch (event->type) {
    case GDK_2BUTTON_PRESS:
        if ( event->button.button == 1 ) {
            bool over_line = false;
            SPCtrlLine *line = NULL;
            if (drag->lines) {
                for (GSList *l = drag->lines; (l != NULL) && (!over_line); l = l->next) {
                    line = (SPCtrlLine*) l->data;
                    over_line |= sp_gradient_context_is_over_line (rc, (SPItem*) line, Geom::Point(event->motion.x, event->motion.y));
                }
            }
            if (over_line) {
                // we take the first item in selection, because with doubleclick, the first click
                // always resets selection to the single object under cursor
                sp_gradient_context_add_stop_near_point(rc, SP_ITEM(selection->itemList()->data), rc->mousepoint_doc, event->button.time);
            } else {
                for (GSList const* i = selection->itemList(); i != NULL; i = i->next) {
                    SPItem *item = SP_ITEM(i->data);
                    SPGradientType new_type = (SPGradientType) prefs->getInt("/tools/gradient/newgradient", SP_GRADIENT_TYPE_LINEAR);
                    guint new_fill = prefs->getInt("/tools/gradient/newfillorstroke", 1);

                    SPGradient *vector = sp_gradient_vector_for_object(sp_desktop_document(desktop), desktop,                                                                                   SP_OBJECT (item), new_fill);

                    SPGradient *priv = sp_item_set_gradient(item, vector, new_type, new_fill);
                    sp_gradient_reset_to_userspace(priv, item);
                }

                sp_document_done (sp_desktop_document (desktop), SP_VERB_CONTEXT_GRADIENT,
                                  _("Create default gradient"));
            }
            ret = TRUE;
        }
        break;
    case GDK_BUTTON_PRESS:
        if ( event->button.button == 1 && !event_context->space_panning ) {
            Geom::Point button_w(event->button.x, event->button.y);

            // save drag origin
            event_context->xp = (gint) button_w[Geom::X];
            event_context->yp = (gint) button_w[Geom::Y];
            event_context->within_tolerance = true;

            dragging = true;

            Geom::Point button_dt = to_2geom(desktop->w2d(button_w));
            if (event->button.state & GDK_SHIFT_MASK) {
                Inkscape::Rubberband::get(desktop)->start(desktop, from_2geom(button_dt));
            } else {
                // remember clicked item, disregarding groups, honoring Alt; do nothing with Crtl to
                // enable Ctrl+doubleclick of exactly the selected item(s)
                if (!(event->button.state & GDK_CONTROL_MASK))
                    event_context->item_to_select = sp_event_context_find_item (desktop, button_w, event->button.state & GDK_MOD1_MASK, TRUE);

                /* Snap center to nearest magnetic point */
                SnapManager &m = desktop->namedview->snap_manager;
                m.setup(desktop);
                m.freeSnapReturnByRef(Inkscape::SnapPreferences::SNAPPOINT_NODE, button_dt);
                rc->origin = from_2geom(button_dt);
            }

            ret = TRUE;
        }
        break;
    case GDK_MOTION_NOTIFY:
        if ( dragging
             && ( event->motion.state & GDK_BUTTON1_MASK ) && !event_context->space_panning )
        {
            if ( event_context->within_tolerance
                 && ( abs( (gint) event->motion.x - event_context->xp ) < event_context->tolerance )
                 && ( abs( (gint) event->motion.y - event_context->yp ) < event_context->tolerance ) ) {
                break; // do not drag if we're within tolerance from origin
            }
            // Once the user has moved farther than tolerance from the original location
            // (indicating they intend to draw, not click), then always process the
            // motion notify coordinates as given (no snapping back to origin)
            event_context->within_tolerance = false;

            Geom::Point const motion_w(event->motion.x,
                                     event->motion.y);
            Geom::Point const motion_dt = event_context->desktop->w2d(motion_w);

            if (Inkscape::Rubberband::get(desktop)->is_started()) {
                Inkscape::Rubberband::get(desktop)->move(motion_dt);
                event_context->defaultMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Draw around</b> handles to select them"));
            } else {
                sp_gradient_drag(*rc, motion_dt, event->motion.state, event->motion.time);
            }
            gobble_motion_events(GDK_BUTTON1_MASK);

            ret = TRUE;
        } else {
            bool over_line = false;
            if (drag->lines) {
                for (GSList *l = drag->lines; l != NULL; l = l->next) {
                    over_line |= sp_gradient_context_is_over_line (rc, (SPItem*) l->data, Geom::Point(event->motion.x, event->motion.y));
                }
            }

            if (rc->cursor_addnode && !over_line) {
                event_context->cursor_shape = cursor_gradient_xpm;
                sp_event_context_update_cursor(event_context);
                rc->cursor_addnode = false;
            } else if (!rc->cursor_addnode && over_line) {
                event_context->cursor_shape = cursor_gradient_add_xpm;
                sp_event_context_update_cursor(event_context);
                rc->cursor_addnode = true;
            }
        }
        break;
    case GDK_BUTTON_RELEASE:
        event_context->xp = event_context->yp = 0;
        if ( event->button.button == 1 && !event_context->space_panning ) {
            if ( (event->button.state & GDK_CONTROL_MASK) && (event->button.state & GDK_MOD1_MASK ) ) {
                bool over_line = false;
                SPCtrlLine *line = NULL;
                if (drag->lines) {
                    for (GSList *l = drag->lines; (l != NULL) && (!over_line); l = l->next) {
                        line = (SPCtrlLine*) l->data;
                        over_line = sp_gradient_context_is_over_line (rc, (SPItem*) line, Geom::Point(event->motion.x, event->motion.y));
                        if (over_line)
                            break;
                    }
                }
                if (over_line && line) {
                    sp_gradient_context_add_stop_near_point(rc, line->item, rc->mousepoint_doc, 0);
                    ret = TRUE;
                }
            } else {
                dragging = false;

                // unless clicked with Ctrl (to enable Ctrl+doubleclick).  
                if (event->button.state & GDK_CONTROL_MASK) {
                    ret = TRUE;
                    break;
                }

                if (!event_context->within_tolerance) {
                    // we've been dragging, either do nothing (grdrag handles that),
                    // or rubberband-select if we have rubberband
                    Inkscape::Rubberband::Rubberband *r = Inkscape::Rubberband::get(desktop);
                    if (r->is_started() && !event_context->within_tolerance) {
                        // this was a rubberband drag
                        if (r->getMode() == RUBBERBAND_MODE_RECT) {
                            Geom::OptRect const b = r->getRectangle();
                            drag->selectRect(*b);
                        }
                    }

                } else if (event_context->item_to_select) {
                    // no dragging, select clicked item if any
                    if (event->button.state & GDK_SHIFT_MASK) {
                        selection->toggle(event_context->item_to_select);
                    } else {
                        selection->set(event_context->item_to_select);
                    }
                } else {
                    // click in an empty space; do the same as Esc
                    if (drag->selected) {
                        drag->deselectAll();
                    } else {
                        selection->clear();
                    }
                }

                event_context->item_to_select = NULL;
                ret = TRUE;
            }
            Inkscape::Rubberband::get(desktop)->stop(); 
        }
        break;
    case GDK_KEY_PRESS:
        switch (get_group0_keyval (&event->key)) {
        case GDK_Alt_L:
        case GDK_Alt_R:
        case GDK_Control_L:
        case GDK_Control_R:
        case GDK_Shift_L:
        case GDK_Shift_R:
        case GDK_Meta_L:  // Meta is when you press Shift+Alt (at least on my machine)
        case GDK_Meta_R:
            sp_event_show_modifier_tip (event_context->defaultMessageContext(), event,
                                        _("<b>Ctrl</b>: snap gradient angle"),
                                        _("<b>Shift</b>: draw gradient around the starting point"),
                                        NULL);
            break;

        case GDK_x:
        case GDK_X:
            if (MOD__ALT_ONLY) {
                desktop->setToolboxFocusTo ("altx-grad");
                ret = TRUE;
            }
            break;

        case GDK_A:
        case GDK_a:
            if (MOD__CTRL_ONLY && drag->isNonEmpty()) {
                drag->selectAll();
                ret = TRUE;
            }
            break;

        case GDK_L:
        case GDK_l:
            if (MOD__CTRL_ONLY && drag->isNonEmpty() && drag->hasSelection()) {
                sp_gradient_simplify(rc, 1e-4);
                ret = TRUE;
            }
            break;

        case GDK_Escape:
            if (drag->selected) {
                drag->deselectAll();
            } else {
                selection->clear();
            }
            ret = TRUE;
            //TODO: make dragging escapable by Esc
            break;

        case GDK_Left: // move handle left
        case GDK_KP_Left:
        case GDK_KP_4:
            if (!MOD__CTRL) { // not ctrl
                gint mul = 1 + gobble_key_events(
                    get_group0_keyval(&event->key), 0); // with any mask
                if (MOD__ALT) { // alt
                    if (MOD__SHIFT) drag->selected_move_screen(mul*-10, 0); // shift
                    else drag->selected_move_screen(mul*-1, 0); // no shift
                }
                else { // no alt
                    if (MOD__SHIFT) drag->selected_move(mul*-10*nudge, 0); // shift
                    else drag->selected_move(mul*-nudge, 0); // no shift
                }
                ret = TRUE;
            }
            break;
        case GDK_Up: // move handle up
        case GDK_KP_Up:
        case GDK_KP_8:
            if (!MOD__CTRL) { // not ctrl
                gint mul = 1 + gobble_key_events(
                    get_group0_keyval(&event->key), 0); // with any mask
                if (MOD__ALT) { // alt
                    if (MOD__SHIFT) drag->selected_move_screen(0, mul*10); // shift
                    else drag->selected_move_screen(0, mul*1); // no shift
                }
                else { // no alt
                    if (MOD__SHIFT) drag->selected_move(0, mul*10*nudge); // shift
                    else drag->selected_move(0, mul*nudge); // no shift
                }
                ret = TRUE;
            }
            break;
        case GDK_Right: // move handle right
        case GDK_KP_Right:
        case GDK_KP_6:
            if (!MOD__CTRL) { // not ctrl
                gint mul = 1 + gobble_key_events(
                    get_group0_keyval(&event->key), 0); // with any mask
                if (MOD__ALT) { // alt
                    if (MOD__SHIFT) drag->selected_move_screen(mul*10, 0); // shift
                    else drag->selected_move_screen(mul*1, 0); // no shift
                }
                else { // no alt
                    if (MOD__SHIFT) drag->selected_move(mul*10*nudge, 0); // shift
                    else drag->selected_move(mul*nudge, 0); // no shift
                }
                ret = TRUE;
            }
            break;
        case GDK_Down: // move handle down
        case GDK_KP_Down:
        case GDK_KP_2:
            if (!MOD__CTRL) { // not ctrl
                gint mul = 1 + gobble_key_events(
                    get_group0_keyval(&event->key), 0); // with any mask
                if (MOD__ALT) { // alt
                    if (MOD__SHIFT) drag->selected_move_screen(0, mul*-10); // shift
                    else drag->selected_move_screen(0, mul*-1); // no shift
                }
                else { // no alt
                    if (MOD__SHIFT) drag->selected_move(0, mul*-10*nudge); // shift
                    else drag->selected_move(0, mul*-nudge); // no shift
                }
                ret = TRUE;
            }
            break;
        case GDK_r:
        case GDK_R:
            if (MOD__SHIFT_ONLY) {
                // First try selected dragger
                if (drag && drag->selected) {
                    drag->selected_reverse_vector();
                } else { // If no drag or no dragger selected, act on selection (both fill and stroke gradients)
                    for (GSList const* i = selection->itemList(); i != NULL; i = i->next) {
                        sp_item_gradient_reverse_vector (SP_ITEM(i->data), true);
                        sp_item_gradient_reverse_vector (SP_ITEM(i->data), false);
                    }
                }
                // we did an undoable action
                sp_document_done (sp_desktop_document (desktop), SP_VERB_CONTEXT_GRADIENT,
                                  _("Invert gradient"));
                ret = TRUE;
            }
            break;

        case GDK_Insert:
        case GDK_KP_Insert:
            // with any modifiers:
            sp_gradient_context_add_stops_between_selected_stops (rc);
            ret = TRUE;
            break;

        case GDK_Delete:
        case GDK_KP_Delete:
        case GDK_BackSpace:
            if ( drag->selected ) {
                drag->deleteSelected(MOD__CTRL_ONLY);
                ret = TRUE;
            }
            break;
        default:
            break;
        }
        break;
    case GDK_KEY_RELEASE:
        switch (get_group0_keyval (&event->key)) {
        case GDK_Alt_L:
        case GDK_Alt_R:
        case GDK_Control_L:
        case GDK_Control_R:
        case GDK_Shift_L:
        case GDK_Shift_R:
        case GDK_Meta_L:  // Meta is when you press Shift+Alt
        case GDK_Meta_R:
            event_context->defaultMessageContext()->clear();
            break;
        default:
            break;
        }
        break;
    default:
        break;
    }

    if (!ret) {
        if (((SPEventContextClass *) parent_class)->root_handler) {
            ret = ((SPEventContextClass *) parent_class)->root_handler(event_context, event);
        }
    }

    return ret;
}