Exemple #1
0
//FIXME: must work with text selection
void
text_remove_all_kerns()
{
    SPDesktop *desktop = SP_ACTIVE_DESKTOP;

    Inkscape::Selection *selection = sp_desktop_selection(desktop);

    if (selection->isEmpty()) {
        sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>text(s)</b> to remove kerns from."));
        return;
    }

    bool did = false;

    for (GSList *items = g_slist_copy((GSList *) selection->itemList());
         items != NULL;
         items = items->next) {
        SPObject *obj = SP_OBJECT(items->data);

        if (!SP_IS_TEXT(obj) && !SP_IS_TSPAN(obj) && !SP_IS_FLOWTEXT(obj)) {
            continue;
        }

        text_remove_all_kerns_recursively(obj);
        obj->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_TEXT_LAYOUT_MODIFIED_FLAG);
        did = true;
    }

    if (!did) {
        sp_desktop_message_stack(desktop)->flash(Inkscape::ERROR_MESSAGE, _("Select <b>text(s)</b> to remove kerns from."));
    } else {
        sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_TEXT, 
                         _("Remove manual kerns"));
    }
}
void
LivePathEffectEditor::onApply()
{
    Inkscape::Selection *sel = _getSelection();
    if ( sel && !sel->isEmpty() ) {
        SPItem *item = sel->singleItem();
        if ( item && SP_IS_LPE_ITEM(item) ) {
            SPDocument *doc = current_desktop->doc();

            const Util::EnumData<LivePathEffect::EffectType>* data = combo_effecttype.get_active_data();
            if (!data) return;

            // If item is a SPRect, convert it to path first:
            if ( SP_IS_RECT(item) ) {
                sp_selected_path_to_curves(current_desktop, false);
                item = sel->singleItem(); // get new item
            }

            LivePathEffect::Effect::createAndApply(data->key.c_str(), doc, item);

            sp_document_done(doc, SP_VERB_DIALOG_LIVE_PATH_EFFECT,
                     _("Create and apply path effect"));

            lpe_list_locked = false;
            onSelectionChanged(sel);
        }
    }
}
Exemple #3
0
/**
    \brief  This actually draws the grid.
    \param  module   The effect that was called (unused)
    \param  document What should be edited.
*/
void
Grid::effect (Inkscape::Extension::Effect *module, Inkscape::UI::View::View *document, Inkscape::Extension::Implementation::ImplementationDocumentCache * /*docCache*/)
{
    Inkscape::Selection * selection     = ((SPDesktop *)document)->selection;

    Geom::Rect bounding_area = Geom::Rect(Geom::Point(0,0), Geom::Point(100,100));
    if (selection->isEmpty()) {
        /* get page size */
        SPDocument * doc = document->doc();
        bounding_area = Geom::Rect(  Geom::Point(0,0),
                                     Geom::Point(doc->getWidth(), doc->getHeight())  );
    } else {
        Geom::OptRect bounds = selection->visualBounds();
        if (bounds) {
            bounding_area = *bounds;
        }

        gdouble doc_height  =  (document->doc())->getHeight();
        Geom::Rect temprec = Geom::Rect(Geom::Point(bounding_area.min()[Geom::X], doc_height - bounding_area.min()[Geom::Y]),
                                    Geom::Point(bounding_area.max()[Geom::X], doc_height - bounding_area.max()[Geom::Y]));

        bounding_area = temprec;
    }

    float spacings[2] = { module->get_param_float("xspacing"),
                          module->get_param_float("yspacing") };
    float line_width = module->get_param_float("lineWidth");
    float offsets[2] = { module->get_param_float("xoffset"),
                         module->get_param_float("yoffset") };

    Glib::ustring path_data("");

    path_data = build_lines(bounding_area,
                                 offsets, spacings);
    Inkscape::XML::Document * xml_doc = document->doc()->getReprDoc();

    //XML Tree being used directly here while it shouldn't be.
    Inkscape::XML::Node * current_layer = static_cast<SPDesktop *>(document)->currentLayer()->getRepr();
    Inkscape::XML::Node * path = xml_doc->createElement("svg:path");

    path->setAttribute("d", path_data.c_str());

    Glib::ustring style("fill:none;fill-opacity:0.75000000;fill-rule:evenodd;stroke:#000000;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1.0000000");
    style += ";stroke-width:";
    gchar floatstring[64];
    std::ostringstream stringstream;
    stringstream << line_width;
    sprintf(floatstring, "%s", stringstream.str().c_str());
    style += floatstring;
    style += "pt";
    path->setAttribute("style", style.c_str());

    current_layer->appendChild(path);
		Inkscape::GC::release(path);

    return;
}
void LivePathEffectEditor::onDown()
{
    Inkscape::Selection *sel = _getSelection();
    if ( sel && !sel->isEmpty() ) {
        SPItem *item = sel->singleItem();
        if ( item && SP_IS_LPE_ITEM(item) ) {
            sp_lpe_item_down_current_path_effect(SP_LPE_ITEM(item));

            sp_document_done ( sp_desktop_document (current_desktop), SP_VERB_DIALOG_LIVE_PATH_EFFECT,
                               _("Move path effect down") );

            effect_list_reload(SP_LPE_ITEM(item));
        }
    }
}
static void 
gradient_selection_changed (Inkscape::Selection *, gpointer data)
{
    SPGradientContext *rc = (SPGradientContext *) data;

    GrDrag *drag = rc->_grdrag;
    Inkscape::Selection *selection = sp_desktop_selection(SP_EVENT_CONTEXT(rc)->desktop);
    guint n_obj = g_slist_length((GSList *) selection->itemList());

    if (!drag->isNonEmpty() || selection->isEmpty())
        return;
    guint n_tot = drag->numDraggers();
    guint n_sel = drag->numSelected();

    //The use of ngettext in the following code is intentional even if the English singular form would never be used
    if (n_sel == 1) {
        if (drag->singleSelectedDraggerNumDraggables() == 1) {
		gchar * message = g_strconcat(
			//TRANSLATORS: %s will be substituted with the point name (see previous messages); This is part of a compound message
			_("%s selected"),
			//TRANSLATORS: Mind the space in front. This is part of a compound message
			ngettext(" out of %d gradient handle"," out of %d gradient handles",n_tot),
			ngettext(" on %d selected object"," on %d selected objects",n_obj),NULL);
            	rc->_message_context->setF(Inkscape::NORMAL_MESSAGE,
			message,_(gr_handle_descr[drag->singleSelectedDraggerSingleDraggableType()]), n_tot, n_obj);
        } else {
		gchar * message = g_strconcat(
			//TRANSLATORS: This is a part of a compound message (out of two more indicating: grandint handle count & object count)
			ngettext("One handle merging %d stop (drag with <b>Shift</b> to separate) selected",
				"One handle merging %d stops (drag with <b>Shift</b> to separate) selected",drag->singleSelectedDraggerNumDraggables()),
			ngettext(" out of %d gradient handle"," out of %d gradient handles",n_tot),
			ngettext(" on %d selected object"," on %d selected objects",n_obj),NULL);
		rc->_message_context->setF(Inkscape::NORMAL_MESSAGE,message,drag->singleSelectedDraggerNumDraggables(), n_tot, n_obj);
        }
    } else if (n_sel > 1) {
	//TRANSLATORS: The plural refers to number of selected gradient handles. This is part of a compound message (part two indicates selected object count)
	gchar * message = g_strconcat(ngettext("<b>%d</b> gradient handle selected out of %d","<b>%d</b> gradient handles selected out of %d",n_sel),
				      //TRANSLATORS: Mind the space in front. (Refers to gradient handles selected). This is part of a compound message
				      ngettext(" on %d selected object"," on %d selected objects",n_obj),NULL);
        rc->_message_context->setF(Inkscape::NORMAL_MESSAGE,message, n_sel, n_tot, n_obj);
    } else if (n_sel == 0) {
        rc->_message_context->setF(Inkscape::NORMAL_MESSAGE,
		//TRANSLATORS: The plural refers to number of selected objects
                ngettext("<b>No</b> gradient handles selected out of %d on %d selected object",
			 "<b>No</b> gradient handles selected out of %d on %d selected objects",n_obj), n_tot, n_obj);
    }
}
Exemple #6
0
static bool sp_spray_dilate(SPSprayContext *tc, Geom::Point /*event_p*/, Geom::Point p, Geom::Point vector, bool reverse)
{
    Inkscape::Selection *selection = sp_desktop_selection(SP_EVENT_CONTEXT(tc)->desktop);
    SPDesktop *desktop = SP_EVENT_CONTEXT(tc)->desktop;

    if (selection->isEmpty()) {
        return false;
    }

    bool did = false;
    double radius = get_dilate_radius(tc);
    double path_force = get_path_force(tc);
    if (radius == 0 || path_force == 0) {
        return false;
    }
    double path_mean = get_path_mean(tc);
    if (radius == 0 || path_mean == 0) {
        return false;
    }
    double path_standard_deviation = get_path_standard_deviation(tc);
    if (radius == 0 || path_standard_deviation == 0) {
        return false;
    }
    double move_force = get_move_force(tc);
    double move_mean = get_move_mean(tc);
    double move_standard_deviation = get_move_standard_deviation(tc);

    for (GSList *items = g_slist_copy((GSList *) selection->itemList());
         items != NULL;
         items = items->next) {

        SPItem *item = (SPItem *) items->data;

        if (is_transform_modes(tc->mode)) {
            if (sp_spray_recursive(desktop, selection, item, p, vector, tc->mode, radius, move_force, tc->population, tc->scale, tc->scale_variation, reverse, move_mean, move_standard_deviation, tc->ratio, tc->tilt, tc->rotation_variation, tc->distrib))
                did = true;
        } else {
            if (sp_spray_recursive(desktop, selection, item, p, vector, tc->mode, radius, path_force, tc->population, tc->scale, tc->scale_variation, reverse, path_mean, path_standard_deviation, tc->ratio, tc->tilt, tc->rotation_variation, tc->distrib))
                did = true;
        }
    }

    return did;
}
/** Converts the selected items to LPEItems if they are not already so; e.g. SPRects) */
void sp_selected_to_lpeitems(SPDesktop *desktop)
{
    Inkscape::Selection *selection = desktop->getSelection();

    if (selection->isEmpty()) {
        return;
    }

    std::vector<SPItem*> selected(selection->itemList());
    std::vector<Inkscape::XML::Node*> to_select;
    selection->clear();
    std::vector<SPItem*> items(selected);


    sp_item_list_to_curves(items, selected, to_select, true);

    selection->setReprList(to_select);
    selection->addList(selected);
}
/* This function is an entry point from GUI */
void
sp_selected_path_to_curves(SPDesktop *desktop, bool interactive)
{
    Inkscape::Selection *selection = sp_desktop_selection(desktop);

    if (selection->isEmpty()) {
        if (interactive)
            sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to path."));
        return;
    }

    bool did = false;
    if (interactive) {
        desktop->messageStack()->flash(Inkscape::IMMEDIATE_MESSAGE, _("Converting objects to paths..."));
        // set "busy" cursor
        desktop->setWaitingCursor();
    }

    GSList *selected = g_slist_copy((GSList *) selection->itemList());
    GSList *to_select = NULL;
    selection->clear();
    GSList *items = g_slist_copy(selected);

    did = sp_item_list_to_curves(items, &selected, &to_select);

    g_slist_free (items);
    selection->setReprList(to_select);
    selection->addList(selected);
    g_slist_free (to_select);
    g_slist_free (selected);

    if (interactive) {
        desktop->clearWaitingCursor();
        if (did) {
            sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_TO_CURVE, 
                             _("Object to path"));
        } else {
            sp_desktop_message_stack(desktop)->flash(Inkscape::ERROR_MESSAGE, _("<b>No objects</b> to convert to path in the selection."));
            return;
        }
    }
}
/** Converts the selected items to LPEItems if they are not already so; e.g. SPRects) */
void sp_selected_to_lpeitems(SPDesktop *desktop)
{
    Inkscape::Selection *selection = sp_desktop_selection(desktop);

    if (selection->isEmpty()) {
        return;
    }

    bool did = false;

    GSList *selected = g_slist_copy((GSList *) selection->itemList());
    GSList *to_select = NULL;
    selection->clear();
    GSList *items = g_slist_copy(selected);

    did = sp_item_list_to_curves(items, &selected, &to_select, true);

    g_slist_free (items);
    selection->setReprList(to_select);
    selection->addList(selected);
    g_slist_free (to_select);
    g_slist_free (selected);
}
Exemple #10
0
void
text_remove_from_path()
{
    SPDesktop *desktop = SP_ACTIVE_DESKTOP;

    Inkscape::Selection *selection = sp_desktop_selection(desktop);

    if (selection->isEmpty()) {
        sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>a text on path</b> to remove it from path."));
        return;
    }

    bool did = false;

    for (GSList *items = g_slist_copy((GSList *) selection->itemList());
         items != NULL;
         items = items->next) {

        if (!SP_IS_TEXT_TEXTPATH(SP_OBJECT(items->data))) {
            continue;
        }

        SPObject *tp = sp_object_first_child(SP_OBJECT(items->data));

        did = true;

        sp_textpath_to_text(tp);
    }

    if (!did) {
        sp_desktop_message_stack(desktop)->flash(Inkscape::ERROR_MESSAGE, _("<b>No texts-on-paths</b> in the selection."));
    } else {
        sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_TEXT, 
                         _("Remove text from path"));
        selection->setList(g_slist_copy((GSList *) selection->itemList())); // reselect to update statusbar description
    }
}
Exemple #11
0
static void
gr_tb_selection_changed (Inkscape::Selection *, gpointer data)
{
    GtkWidget *widget = (GtkWidget *) data;

    SPDesktop *desktop = (SPDesktop *) g_object_get_data (G_OBJECT(widget), "desktop");
    if (!desktop)
        return;

    Inkscape::Selection *selection = sp_desktop_selection (desktop); // take from desktop, not from args
    if (!selection)
        return;

    SPEventContext *ev = sp_desktop_event_context (desktop);

    GtkWidget *om = (GtkWidget *) g_object_get_data (G_OBJECT (widget), "menu");
    if (om) gtk_widget_destroy (om);

    SPGradient *gr_selected = NULL;
    bool gr_multi = false;

    SPGradientSpread spr_selected = (SPGradientSpread) INT_MAX; // meaning undefined
    bool spr_multi = false;

    gr_read_selection (selection, ev? ev->get_drag() : NULL, &gr_selected, &gr_multi, &spr_selected, &spr_multi);

    om = gr_vector_list (desktop, selection->isEmpty(), gr_selected, gr_multi);
    g_object_set_data (G_OBJECT (widget), "menu", om);

    GtkWidget *buttons = (GtkWidget *) g_object_get_data (G_OBJECT(widget), "buttons");
    gtk_widget_set_sensitive (buttons, (gr_selected && !gr_multi));

    gtk_box_pack_start (GTK_BOX (widget), om, TRUE, TRUE, 0);

    gtk_widget_show_all (widget);
}
Exemple #12
0
static void
mesh_selection_changed (Inkscape::Selection *, gpointer data)
{
    SPMeshContext *rc = (SPMeshContext *) data;

    GrDrag *drag = rc->_grdrag;
    Inkscape::Selection *selection = sp_desktop_selection(SP_EVENT_CONTEXT(rc)->desktop);
    if (selection == NULL) {
        return;
    }
    guint n_obj = g_slist_length((GSList *) selection->itemList());

    if (!drag->isNonEmpty() || selection->isEmpty())
        return;
    guint n_tot = drag->numDraggers();
    guint n_sel = drag->numSelected();

    //The use of ngettext in the following code is intentional even if the English singular form would never be used
    if (n_sel == 1) {
        if (drag->singleSelectedDraggerNumDraggables() == 1) {
            gchar * message = g_strconcat(
                //TRANSLATORS: %s will be substituted with the point name (see previous messages); This is part of a compound message
                _("%s selected"),
                //TRANSLATORS: Mind the space in front. This is part of a compound message
                ngettext(" out of %d mesh handle"," out of %d mesh handles",n_tot),
                ngettext(" on %d selected object"," on %d selected objects",n_obj),NULL);
            rc->_message_context->setF(Inkscape::NORMAL_MESSAGE,
                                       message,_(ms_handle_descr[drag->singleSelectedDraggerSingleDraggableType()]), n_tot, n_obj);
        } else {
            gchar * message =
                g_strconcat(
                    //TRANSLATORS: This is a part of a compound message (out of two more indicating: grandint handle count & object count)
                    ngettext("One handle merging %d stop (drag with <b>Shift</b> to separate) selected",
                             "One handle merging %d stops (drag with <b>Shift</b> to separate) selected",
                             drag->singleSelectedDraggerNumDraggables()),
                    ngettext(" out of %d mesh handle"," out of %d mesh handles",n_tot),
                    ngettext(" on %d selected object"," on %d selected objects",n_obj),NULL);
            rc->_message_context->setF(Inkscape::NORMAL_MESSAGE,message,drag->singleSelectedDraggerNumDraggables(), n_tot, n_obj);
        }
    } else if (n_sel > 1) {
        //TRANSLATORS: The plural refers to number of selected mesh handles. This is part of a compound message (part two indicates selected object count)
        gchar * message =
            g_strconcat(ngettext("<b>%d</b> mesh handle selected out of %d","<b>%d</b> mesh handles selected out of %d",n_sel),
                        //TRANSLATORS: Mind the space in front. (Refers to gradient handles selected). This is part of a compound message
                        ngettext(" on %d selected object"," on %d selected objects",n_obj),NULL);
        rc->_message_context->setF(Inkscape::NORMAL_MESSAGE,message, n_sel, n_tot, n_obj);
    } else if (n_sel == 0) {
        rc->_message_context->setF(Inkscape::NORMAL_MESSAGE,
                                   //TRANSLATORS: The plural refers to number of selected objects
                                   ngettext("<b>No</b> mesh handles selected out of %d on %d selected object",
                                            "<b>No</b> mesh handles selected out of %d on %d selected objects",n_obj), n_tot, n_obj);
    }

    // FIXME
    // We need to update mesh gradient handles.
    // Get gradient this drag belongs too..
    // std::cout << "mesh_selection_changed: selection: objects: " << n_obj << std::endl;
    // GSList *itemList = (GSList *) selection->itemList();
    // while( itemList ) {

    //     SPItem *item = SP_ITEM( itemList->data );
    //     // std::cout << "  item: " << SP_OBJECT(item)->getId() << std::endl;

    //     SPStyle *style = item->style;
    //     if (style && (style->fill.isPaintserver())) {

    //         SPPaintServer *server = item->style->getFillPaintServer();
    //         if ( SP_IS_MESHGRADIENT(server) ) {

    //             SPMeshGradient *mg = SP_MESHGRADIENT(server);

    //             guint rows    = 0;//mg->array.patches.size();
    //             for ( guint i = 0; i < rows; ++i ) {
    //                 guint columns = 0;//mg->array.patches[0].size();
    //                 for ( guint j = 0; j < columns; ++j ) {
    //                 }
    //             }
    //         }
    //     }
    //     itemList = itemList->next;
    // }

    // GList* dragger_ptr = drag->draggers;  // Points to GrDragger class (group of GrDraggable)
    // guint count = 0;
    // while( dragger_ptr ) {

    //     std::cout << "mesh_selection_changed: dragger: " << ++count << std::endl;
    //     GSList* draggable_ptr = ((GrDragger *) dragger_ptr->data)->draggables;

    //     while( draggable_ptr ) {

    //         std::cout << "mesh_selection_changed:  draggable: " << draggable_ptr << std::endl;
    //         GrDraggable *draggable = (GrDraggable *) draggable_ptr->data;

    //         gint point_type     = draggable->point_type;
    //         gint point_i        = draggable->point_i;
    //         bool fill_or_stroke = draggable->fill_or_stroke;

    //         if( point_type == POINT_MG_CORNER ) {

    //             //std::cout << "mesh_selection_changed:   POINT_MG_CORNER: " << point_i << std::endl;
    //             // Now we must create or destroy corresponding handles.

    //             if( g_list_find( drag->selected, dragger_ptr->data ) ) {
    //                 //std::cout << "gradient_selection_changed:    Selected: " << point_i << std::endl;
    //                 // Which meshes does this point belong to?

    //             } else {
    //                 //std::cout << "mesh_selection_changed:    Not Selected: " << point_i << std::endl;
    //             }
    //         }

    //         draggable_ptr = draggable_ptr->next;

    //     }

    //     dragger_ptr = dragger_ptr->next;
    // }
}
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;
}
void
sp_selected_path_break_apart(SPDesktop *desktop)
{
    Inkscape::Selection *selection = sp_desktop_selection(desktop);

    if (selection->isEmpty()) {
        sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>path(s)</b> to break apart."));
        return;
    }

    desktop->messageStack()->flash(Inkscape::IMMEDIATE_MESSAGE, _("Breaking apart paths..."));
    // set "busy" cursor
    desktop->setWaitingCursor();

    bool did = false;

    for (GSList *items = g_slist_copy((GSList *) selection->itemList());
         items != NULL;
         items = items->next) {

        SPItem *item = (SPItem *) items->data;

        if (!SP_IS_PATH(item)) {
            continue;
        }

        SPPath *path = SP_PATH(item);

        SPCurve *curve = path->get_curve_for_edit();
        if (curve == NULL) {
            continue;
        }

        did = true;

        Inkscape::XML::Node *parent = item->getRepr()->parent();
        gint pos = item->getRepr()->position();
        char const *id = item->getRepr()->attribute("id");

        // XML Tree being used directly here while it shouldn't be...
        gchar *style = g_strdup(item->getRepr()->attribute("style"));
        // XML Tree being used directly here while it shouldn't be...
        gchar *path_effect = g_strdup(item->getRepr()->attribute("inkscape:path-effect"));

        Geom::PathVector apv = curve->get_pathvector() * path->transform;

        curve->unref();

        // it's going to resurrect as one of the pieces, so we delete without advertisement
        item->deleteObject(false);

        curve = new SPCurve(apv);
        g_assert(curve != NULL);

        GSList *list = curve->split();

        curve->unref();

        GSList *reprs = NULL;
        for (GSList *l = list; l != NULL; l = l->next) {
            curve = (SPCurve *) l->data;

            Inkscape::XML::Node *repr = parent->document()->createElement("svg:path");
            repr->setAttribute("style", style);

            repr->setAttribute("inkscape:path-effect", path_effect);

            gchar *str = sp_svg_write_path(curve->get_pathvector());
            if (path_effect)
                repr->setAttribute("inkscape:original-d", str);
            else
                repr->setAttribute("d", str);
            g_free(str);

            // add the new repr to the parent
            parent->appendChild(repr);

            // move to the saved position
            repr->setPosition(pos > 0 ? pos : 0);

            // if it's the first one, restore id
            if (l == list)
                repr->setAttribute("id", id);

            reprs = g_slist_prepend (reprs, repr);

            Inkscape::GC::release(repr);
        }

        selection->setReprList(reprs);

        g_slist_free(reprs);
        g_slist_free(list);
        g_free(style);
        g_free(path_effect);
    }

    desktop->clearWaitingCursor();

    if (did) {
        DocumentUndo::done(sp_desktop_document(desktop), SP_VERB_SELECTION_BREAK_APART, 
                           _("Break apart"));
    } else {
        sp_desktop_message_stack(desktop)->flash(Inkscape::ERROR_MESSAGE, _("<b>No path(s)</b> to break apart in the selection."));
    }
}
/*
 * Core function, setup all the widgets whenever something changes on the desktop
 */
static void gr_tb_selection_changed(Inkscape::Selection * /*selection*/, gpointer data)
{
    if (blocked)
        return;

    GtkWidget *widget = GTK_WIDGET(data);

    SPDesktop *desktop = static_cast<SPDesktop *>(g_object_get_data(G_OBJECT(widget), "desktop"));
    if (!desktop) {
        return;
    }

    Inkscape::Selection *selection = sp_desktop_selection(desktop); // take from desktop, not from args
    if (selection) {
        ToolBase *ev = desktop->getEventContext();
        GrDrag *drag = NULL;
        if (ev) {
            drag = ev->get_drag();
        }

        SPGradient *gr_selected = 0;
        SPGradientSpread spr_selected = SP_GRADIENT_SPREAD_UNDEFINED;
        bool gr_multi = false;
        bool spr_multi = false;

        gr_read_selection(selection, drag, gr_selected, gr_multi, spr_selected, spr_multi);

        GtkWidget *gradient_combo = gr_ege_select_one_get_combo(widget, "gradient_select_combo_action");
        if ( gradient_combo ) {
            check_renderer(gradient_combo);
            gboolean sensitive = gr_vector_list(gradient_combo, desktop, selection->isEmpty(), gr_selected, gr_multi);

            EgeSelectOneAction *gradient_action = (EgeSelectOneAction *) g_object_get_data(G_OBJECT(widget), "gradient_select_combo_action");
            gtk_action_set_sensitive( GTK_ACTION(gradient_action), sensitive );
        }

        EgeSelectOneAction* spread = (EgeSelectOneAction *) g_object_get_data(G_OBJECT(widget), "gradient_select_repeat_action");
        gtk_action_set_sensitive( GTK_ACTION(spread), (gr_selected && !gr_multi) );
        if (gr_selected) {
            blocked = TRUE;
            ege_select_one_action_set_active( spread, spr_selected);
            blocked = FALSE;
        }

        InkAction *add = (InkAction *) g_object_get_data(G_OBJECT(widget), "gradient_stops_add_action");
        gtk_action_set_sensitive(GTK_ACTION(add), (gr_selected && !gr_multi && drag && drag->selected));

        InkAction *del = (InkAction *) g_object_get_data(G_OBJECT(widget), "gradient_stops_delete_action");
        gtk_action_set_sensitive(GTK_ACTION(del), (gr_selected && !gr_multi && drag && drag->selected));

        InkAction *reverse = (InkAction *) g_object_get_data(G_OBJECT(widget), "gradient_stops_reverse_action");
        gtk_action_set_sensitive(GTK_ACTION(reverse), (gr_selected!= NULL));

        EgeSelectOneAction *stops_action = (EgeSelectOneAction *) g_object_get_data(G_OBJECT(widget), "gradient_stops_combo_action");
        gtk_action_set_sensitive( GTK_ACTION(stops_action), (gr_selected && !gr_multi) );

        GtkWidget *stops_combo = gr_ege_select_one_get_combo(widget, "gradient_stops_combo_action");
        if ( stops_combo ) {

            check_renderer(stops_combo);
            update_stop_list(stops_combo, gr_selected, NULL, widget, gr_multi);
            select_stop_by_drag(stops_combo, gr_selected, ev, widget);
        }

        //sp_gradient_vector_widget_load_gradient(widget, gr_selected);

    }

}
Exemple #16
0
void
flowtext_to_text()
{
    SPDesktop *desktop = SP_ACTIVE_DESKTOP;

    Inkscape::Selection *selection = sp_desktop_selection(desktop);

    if (selection->isEmpty()) {
        sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, 
                                                 _("Select <b>flowed text(s)</b> to convert."));
        return;
    }

    bool did = false;

    GSList *reprs = NULL;
    GSList *items = g_slist_copy((GSList *) selection->itemList());
    for (; items != NULL; items = items->next) {
        
        SPItem *item = (SPItem *) items->data;

        if (!SP_IS_FLOWTEXT(item))
            continue;

        if (!SP_FLOWTEXT(item)->layout.outputExists()) {
            sp_desktop_message_stack(desktop)->
                flash(Inkscape::WARNING_MESSAGE, 
                      _("The flowed text(s) must be <b>visible</b> in order to be converted."));
            return;
        }

        Inkscape::XML::Node *repr = SP_FLOWTEXT(item)->getAsText();

        if (!repr) break;

        did = true;

        Inkscape::XML::Node *parent = SP_OBJECT_REPR(item)->parent();
        parent->addChild(repr, SP_OBJECT_REPR(item));

        SPItem *new_item = (SPItem *) sp_desktop_document(desktop)->getObjectByRepr(repr);
        sp_item_write_transform(new_item, repr, item->transform);
        SP_OBJECT(new_item)->updateRepr();
    
        Inkscape::GC::release(repr);
        item->deleteObject();

        reprs = g_slist_prepend(reprs, repr);
    }

    g_slist_free(items);

    if (did) {
        sp_document_done(sp_desktop_document(desktop), 
                         SP_VERB_OBJECT_FLOWTEXT_TO_TEXT,
                         _("Convert flowed text to text"));
        selection->setReprList(reprs);        
    } else {
        sp_desktop_message_stack(desktop)->
            flash(Inkscape::ERROR_MESSAGE,
                  _("<b>No flowed text(s)</b> to convert in the selection."));
    }

    g_slist_free(reprs);
}
Exemple #17
0
GtkWidget *
gr_change_widget (SPDesktop *desktop)
{
    Inkscape::Selection *selection = sp_desktop_selection (desktop);
    SPDocument *document = sp_desktop_document (desktop);
    SPEventContext *ev = sp_desktop_event_context (desktop);

    SPGradient *gr_selected = NULL;
    bool gr_multi = false;

    SPGradientSpread spr_selected = (SPGradientSpread) INT_MAX; // meaning undefined
    bool spr_multi = false;

    GtkTooltips *tt = gtk_tooltips_new();

    gr_read_selection (selection, ev? ev->get_drag() : NULL, &gr_selected, &gr_multi, &spr_selected, &spr_multi);

    GtkWidget *widget = gtk_hbox_new(FALSE, FALSE);
    gtk_object_set_data(GTK_OBJECT(widget), "dtw", desktop->canvas);
    g_object_set_data (G_OBJECT (widget), "desktop", desktop);

    GtkWidget *om = gr_vector_list (desktop, selection->isEmpty(), gr_selected, gr_multi);
    g_object_set_data (G_OBJECT (widget), "menu", om);

    gtk_box_pack_start (GTK_BOX (widget), om, TRUE, TRUE, 0);

    {
    GtkWidget *buttons = gtk_hbox_new(FALSE, 1);

    /* Edit... */
    {
        GtkWidget *hb = gtk_hbox_new(FALSE, 1);
        GtkWidget *b = gtk_button_new_with_label(_("Edit..."));
        gtk_tooltips_set_tip(tt, b, _("Edit the stops of the gradient"), NULL);
        gtk_widget_show(b);
        gtk_container_add(GTK_CONTAINER(hb), b);
        gtk_signal_connect(GTK_OBJECT(b), "clicked", GTK_SIGNAL_FUNC(gr_edit), widget);
        gtk_box_pack_start (GTK_BOX(buttons), hb, FALSE, FALSE, 0);
    }

    gtk_box_pack_end (GTK_BOX(widget), buttons, FALSE, FALSE, 0);
    g_object_set_data (G_OBJECT(widget), "buttons", buttons);
    gtk_widget_set_sensitive (buttons, (gr_selected && !gr_multi));
    }

    // connect to selection modified and changed signals
    sigc::connection *conn1 = new sigc::connection (selection->connectChanged(
        sigc::bind (
            sigc::ptr_fun(&gr_tb_selection_changed),
            (gpointer)widget )
    ));
    sigc::connection *conn2 = new sigc::connection (selection->connectModified(
        sigc::bind (
            sigc::ptr_fun(&gr_tb_selection_modified),
            (gpointer)widget )
    ));

    sigc::connection *conn3 = new sigc::connection (desktop->connectToolSubselectionChanged(
        sigc::bind (
            sigc::ptr_fun(&gr_drag_selection_changed),
            (gpointer)widget )
    ));

    // when widget is destroyed, disconnect
    g_signal_connect(G_OBJECT(widget), "destroy", G_CALLBACK(gr_disconnect_sigc), conn1);
    g_signal_connect(G_OBJECT(widget), "destroy", G_CALLBACK(gr_disconnect_sigc), conn2);
    g_signal_connect(G_OBJECT(widget), "destroy", G_CALLBACK(gr_disconnect_sigc), conn3);

    // connect to release and modified signals of the defs (i.e. when someone changes gradient)
    sigc::connection *release_connection = new sigc::connection();
    *release_connection = SP_DOCUMENT_DEFS(document)->connectRelease(sigc::bind<1>(sigc::ptr_fun(&gr_defs_release), widget));
    sigc::connection *modified_connection = new sigc::connection();
    *modified_connection = SP_DOCUMENT_DEFS(document)->connectModified(sigc::bind<2>(sigc::ptr_fun(&gr_defs_modified), widget));

    // when widget is destroyed, disconnect
    g_signal_connect(G_OBJECT(widget), "destroy", G_CALLBACK(gr_disconnect_sigc), release_connection);
    g_signal_connect(G_OBJECT(widget), "destroy", G_CALLBACK(gr_disconnect_sigc), modified_connection);

    gtk_widget_show_all (widget);
    return widget;
}
Exemple #18
0
/**
Handles all keyboard and mouse input for meshs.
*/
static gint
sp_mesh_context_root_handler(SPEventContext *event_context, GdkEvent *event)
{
    // static int count = 0;
    // std::cout << "sp_mesh_context_root_handler: " << count++ << std::endl;
    static bool dragging;

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

    SPMeshContext *rc = SP_MESH_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, "px"); // in px

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

    gint ret = FALSE;
    switch (event->type) {

    case GDK_2BUTTON_PRESS:

#ifdef DEBUG_MESH
        std::cout << "sp_mesh_context_root_handler: GDK_2BUTTON_PRESS" << std::endl;
#endif

        // Double click:
        //  If over a mesh line, divide mesh row/column
        //  If not over a line, create new gradients for selected objects.

        if ( event->button.button == 1 ) {

            // Are we over a mesh line?
            bool over_line = false;
            SPCtrlCurve *line = NULL;
            if (drag->lines) {
                for (GSList *l = drag->lines; (l != NULL) && (!over_line); l = l->next) {
                    line = (SPCtrlCurve*) l->data;
                    over_line |= sp_mesh_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_mesh_context_split_near_point(rc, SP_ITEM(selection->itemList()->data), rc->mousepoint_doc, event->button.time);

            } else {
                // Create a new gradient with default coordinates.

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

                    SPItem *item = SP_ITEM(i->data);
                    SPGradientType new_type = SP_GRADIENT_TYPE_MESH;
                    Inkscape::PaintTarget fsmode = (prefs->getInt("/tools/gradient/newfillorstroke", 1) != 0) ? Inkscape::FOR_FILL : Inkscape::FOR_STROKE;

#ifdef DEBUG_MESH
                    std::cout << "sp_mesh_context_root_handler: creating new mesh on: " << (fsmode == Inkscape::FOR_FILL ? "Fill" : "Stroke") << std::endl;
#endif
                    SPGradient *vector = sp_gradient_vector_for_object(sp_desktop_document(desktop), desktop, item, fsmode);

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

                DocumentUndo::done(sp_desktop_document (desktop), SP_VERB_CONTEXT_MESH,
                                   _("Create default mesh"));
            }
            ret = TRUE;
        }
        break;

    case GDK_BUTTON_PRESS:

#ifdef DEBUG_MESH
        std::cout << "sp_mesh_context_root_handler: GDK_BUTTON_PRESS" << std::endl;
#endif
        // Button down
        //  If Shift key down: do rubber band selection
        //  Else set origin for drag. A drag creates a new gradient if one does not exist
 
        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 = desktop->w2d(button_w);
            if (event->button.state & GDK_SHIFT_MASK) {
                Inkscape::Rubberband::get(desktop)->start(desktop, 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);

                if (!selection->isEmpty()) {
                    SnapManager &m = desktop->namedview->snap_manager;
                    m.setup(desktop);
                    m.freeSnapReturnByRef(button_dt, Inkscape::SNAPSOURCE_NODE_HANDLE);
                    m.unSetup();
                }
                rc->origin = button_dt;
            }

            ret = TRUE;
        }
        break;

    case GDK_MOTION_NOTIFY:

        // Mouse move

        if ( dragging
             && ( event->motion.state & GDK_BUTTON1_MASK ) && !event_context->space_panning )
        {
 
#ifdef DEBUG_MESH
            std::cout << "sp_mesh_context_root_handler: GDK_MOTION_NOTIFY: Dragging" << std::endl;
#endif
            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 {
                // Create new gradient with coordinates determined by drag.
                sp_mesh_drag(*rc, motion_dt, event->motion.state, event->motion.time);
            }
            gobble_motion_events(GDK_BUTTON1_MASK);

            ret = TRUE;

        } else {
            // Not dragging

            // Do snapping
            if (!drag->mouseOver() && !selection->isEmpty()) {
                SnapManager &m = desktop->namedview->snap_manager;
                m.setup(desktop);

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

                m.preSnap(Inkscape::SnapCandidatePoint(motion_dt, Inkscape::SNAPSOURCE_OTHER_HANDLE));
                m.unSetup();
            }

            // Highlight corner node corresponding to side or tensor node
            if( drag->mouseOver() ) {
                // MESH FIXME: Light up corresponding corner node corresponding to node we are over.
                // See "pathflash" in ui/tools/node-tool.cpp for ideas.
                // Use desktop->add_temporary_canvasitem( SPCanvasItem, milliseconds );
            }

            // Change cursor shape if over line
            bool over_line = false;
            if (drag->lines) {
                for (GSList *l = drag->lines; l != NULL; l = l->next) {
                    over_line |= sp_mesh_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:

#ifdef DEBUG_MESH
        std::cout << "sp_mesh_context_root_handler: GDK_BUTTON_RELEASE" << std::endl;
#endif

        event_context->xp = event_context->yp = 0;
        if ( event->button.button == 1 && !event_context->space_panning ) {

            // Check if over line
            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_mesh_context_is_over_line (rc, (SPItem*) line, Geom::Point(event->motion.x, event->motion.y));
                    if (over_line)
                        break;
                }
            }

            if ( (event->button.state & GDK_CONTROL_MASK) && (event->button.state & GDK_MOD1_MASK ) ) {
                if (over_line && line) {
                    sp_mesh_context_split_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 *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) {
                    if (over_line && line) {
                        // Clicked on an existing mesh line, don't change selection. This stops
                        // possible change in selection during a double click with overlapping objects
                    }
                    else {
                        // 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:

#ifdef DEBUG_MESH
        std::cout << "sp_mesh_context_root_handler: GDK_KEY_PRESS" << std::endl;
#endif

        // FIXME: tip
        switch (get_group0_keyval (&event->key)) {
        case GDK_KEY_Alt_L:
        case GDK_KEY_Alt_R:
        case GDK_KEY_Control_L:
        case GDK_KEY_Control_R:
        case GDK_KEY_Shift_L:
        case GDK_KEY_Shift_R:
        case GDK_KEY_Meta_L:  // Meta is when you press Shift+Alt (at least on my machine)
        case GDK_KEY_Meta_R:
            sp_event_show_modifier_tip (event_context->defaultMessageContext(), event,
                                        _("FIXME<b>Ctrl</b>: snap mesh angle"),
                                        _("FIXME<b>Shift</b>: draw mesh around the starting point"),
                                        NULL);
            break;

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

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

        case GDK_KEY_Left: // move handle left
        case GDK_KEY_KP_Left:
        case GDK_KEY_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_KEY_Up: // move handle up
        case GDK_KEY_KP_Up:
        case GDK_KEY_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_KEY_Right: // move handle right
        case GDK_KEY_KP_Right:
        case GDK_KEY_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_KEY_Down: // move handle down
        case GDK_KEY_KP_Down:
        case GDK_KEY_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_KEY_Insert:
        case GDK_KEY_KP_Insert:
            // with any modifiers:
            //sp_gradient_context_add_stops_between_selected_stops (rc);
            std::cout << "Inserting stops between selected stops not implemented yet" << std::endl;
            ret = TRUE;
            break;

        case GDK_KEY_Delete:
        case GDK_KEY_KP_Delete:
        case GDK_KEY_BackSpace:
            if ( drag->selected ) {
                std::cout << "Deleting mesh stops not implemented yet" << std::endl;
                ret = TRUE;
            }
            break;

        // Mesh Operations --------------------------------------------

        case GDK_KEY_b:  // Toggle mesh side between lineto and curveto.
        case GDK_KEY_B: 
            if (MOD__ALT && drag->isNonEmpty() && drag->hasSelection()) {
                sp_mesh_context_corner_operation ( rc, MG_CORNER_SIDE_TOGGLE );
                ret = TRUE;
            }
            break;

        case GDK_KEY_c:  // Convert mesh side from generic Bezier to Bezier approximating arc,
        case GDK_KEY_C:  // preserving handle direction.
            if (MOD__ALT && drag->isNonEmpty() && drag->hasSelection()) {
                sp_mesh_context_corner_operation ( rc, MG_CORNER_SIDE_ARC );
                ret = TRUE;
            }
            break;

        case GDK_KEY_g:  // Toggle mesh tensor points on/off
        case GDK_KEY_G: 
            if (MOD__ALT && drag->isNonEmpty() && drag->hasSelection()) {
                sp_mesh_context_corner_operation ( rc, MG_CORNER_TENSOR_TOGGLE );
                ret = TRUE;
            }
            break;

        case GDK_KEY_j:  // Smooth corner color
        case GDK_KEY_J:
            if (MOD__ALT && drag->isNonEmpty() && drag->hasSelection()) {
                sp_mesh_context_corner_operation ( rc, MG_CORNER_COLOR_SMOOTH );
                ret = TRUE;
            }
            break;

        case GDK_KEY_k:  // Pick corner color
        case GDK_KEY_K:
            if (MOD__ALT && drag->isNonEmpty() && drag->hasSelection()) {
                sp_mesh_context_corner_operation ( rc, MG_CORNER_COLOR_PICK );
                ret = TRUE;
            }
            break;

        default:
            break;
        }

        break;

    case GDK_KEY_RELEASE:

#ifdef DEBUG_MESH
        std::cout << "sp_mesh_context_root_handler: GDK_KEY_RELEASE" << std::endl;
#endif
        switch (get_group0_keyval (&event->key)) {
        case GDK_KEY_Alt_L:
        case GDK_KEY_Alt_R:
        case GDK_KEY_Control_L:
        case GDK_KEY_Control_R:
        case GDK_KEY_Shift_L:
        case GDK_KEY_Shift_R:
        case GDK_KEY_Meta_L:  // Meta is when you press Shift+Alt
        case GDK_KEY_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;
}
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."));
    }
}
Exemple #20
0
void
sp_selected_path_break_apart(SPDesktop *desktop, bool skip_undo)
{
    Inkscape::Selection *selection = desktop->getSelection();

    if (selection->isEmpty()) {
        desktop->getMessageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>path(s)</b> to break apart."));
        return;
    }

    desktop->messageStack()->flash(Inkscape::IMMEDIATE_MESSAGE, _("Breaking apart paths..."));
    // set "busy" cursor
    desktop->setWaitingCursor();

    bool did = false;

    std::vector<SPItem*> itemlist(selection->itemList());
    for (std::vector<SPItem*>::const_iterator i = itemlist.begin(); i != itemlist.end(); ++i){

        SPItem *item = *i;

        SPPath *path = dynamic_cast<SPPath *>(item);
        if (!path) {
            continue;
        }

        SPCurve *curve = path->get_curve_for_edit();
        if (curve == NULL) {
            continue;
        }
        did = true;

        Inkscape::XML::Node *parent = item->getRepr()->parent();
        gint pos = item->getRepr()->position();
        char const *id = item->getRepr()->attribute("id");

        // XML Tree being used directly here while it shouldn't be...
        gchar *style = g_strdup(item->getRepr()->attribute("style"));
        // XML Tree being used directly here while it shouldn't be...
        gchar *path_effect = g_strdup(item->getRepr()->attribute("inkscape:path-effect"));
        Geom::Affine transform = path->transform;
        // it's going to resurrect as one of the pieces, so we delete without advertisement
        item->deleteObject(false);


        GSList *list = curve->split();

        curve->unref();

        std::vector<Inkscape::XML::Node*> reprs;
        for (GSList *l = list; l != NULL; l = l->next) {
            curve = (SPCurve *) l->data;

            Inkscape::XML::Node *repr = parent->document()->createElement("svg:path");
            repr->setAttribute("style", style);

            repr->setAttribute("inkscape:path-effect", path_effect);

            gchar *str = sp_svg_write_path(curve->get_pathvector());
            if (path_effect)
                repr->setAttribute("inkscape:original-d", str);
            else
                repr->setAttribute("d", str);
            g_free(str);
            repr->setAttribute("transform", sp_svg_transform_write(transform));
            
            // add the new repr to the parent
            parent->appendChild(repr);

            // move to the saved position
            repr->setPosition(pos > 0 ? pos : 0);

            // if it's the first one, restore id
            if (l == list)
                repr->setAttribute("id", id);

            reprs.push_back(repr);

            Inkscape::GC::release(repr);
        }
        selection->setReprList(reprs);

        g_slist_free(list);
        g_free(style);
        g_free(path_effect);
    }

    desktop->clearWaitingCursor();

    if (did) {
        if ( !skip_undo ) {
            DocumentUndo::done(desktop->getDocument(), SP_VERB_SELECTION_BREAK_APART, 
                               _("Break apart"));
        }
    } else {
        desktop->getMessageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No path(s)</b> to break apart in the selection."));
    }
}