/** * A function called when the window gets focus. * * This function gets called on a focus event. It figures out how much * time is required for a transition, and the number of steps that'll take, * and sets up the _trans_timer function to do the work. If the transition * time is set to 0 ms it just calls _trans_timer once with _steps equal to * zero so that the transition happens instantaneously. This occurs on * windows as opacity changes cause flicker there. */ void FloatingBehavior::_focus_event (void) { Inkscape::Preferences *prefs = Inkscape::Preferences::get(); _steps = 0; _trans_focus = prefs->getDoubleLimited("/dialogs/transparency/on-focus", 0.95, 0.0, 1.0); _trans_blur = prefs->getDoubleLimited("/dialogs/transparency/on-blur", 0.50, 0.0, 1.0); _trans_time = prefs->getIntLimited("/dialogs/transparency/animate-time", 100, 0, 5000); if (_trans_time != 0) { float diff = _trans_focus - _trans_blur; if (diff < 0.0) diff *= -1.0; while (diff > 0.05) { _steps++; diff = diff / 2.0; } if (_steps != 0) { Glib::signal_timeout().connect(sigc::mem_fun(this, &FloatingBehavior::_trans_timer), _trans_time / _steps); } } _trans_timer(); return; }
static void interpolate(SPPencilContext *pc) { g_assert( pc->ps.size() > 1 ); Inkscape::Preferences *prefs = Inkscape::Preferences::get(); double const tol = prefs->getDoubleLimited("/tools/freehand/pencil/tolerance", 10.0, 1.0, 100.0) * 0.4; double const tolerance_sq = 0.02 * square( pc->desktop->w2d().descrim() * tol) * exp(0.2*tol - 2); g_assert(is_zero(pc->req_tangent) || is_unit_vector(pc->req_tangent)); Geom::Point const tHatEnd(0, 0); guint n_points = pc->ps.size(); pc->green_curve->reset(); pc->red_curve->reset(); pc->red_curve_is_valid = false; Geom::Point * b = g_new(Geom::Point, 4*n_points); Geom::Point * points = g_new(Geom::Point, 4*n_points); for (unsigned int i = 0; i < pc->ps.size(); i++) { points[i] = pc->ps[i]; } // worst case gives us a segment per point int max_segs = 4*n_points; int const n_segs = Geom::bezier_fit_cubic_r(b, points, n_points, tolerance_sq, max_segs); if ( n_segs > 0) { /* Fit and draw and reset state */ pc->green_curve->moveto(b[0]); for (int c = 0; c < n_segs; c++) { pc->green_curve->curveto(b[4*c+1], b[4*c+2], b[4*c+3]); } sp_canvas_bpath_set_bpath(SP_CANVAS_BPATH(pc->red_bpath), pc->green_curve); /* Fit and draw and copy last point */ g_assert(!pc->green_curve->is_empty()); /* Set up direction of next curve. */ { Geom::CubicBezier const * last_seg = dynamic_cast<Geom::CubicBezier const *>(pc->green_curve->last_segment()); g_assert( last_seg ); // Relevance: validity of (*last_seg)[2] pc->p[0] = last_seg->finalPoint(); pc->npoints = 1; Geom::Point const req_vec( pc->p[0] - (*last_seg)[2] ); pc->req_tangent = ( ( Geom::is_zero(req_vec) || !in_svg_plane(req_vec) ) ? Geom::Point(0, 0) : Geom::unit_vector(req_vec) ); } } g_free(b); g_free(points); pc->ps.clear(); }
static void sp_pencil_tb_tolerance_value_changed(GtkAdjustment *adj, GObject *tbl) { // quit if run by the attr_changed listener if (g_object_get_data( tbl, "freeze" )) { return; } // in turn, prevent listener from responding Inkscape::Preferences *prefs = Inkscape::Preferences::get(); g_object_set_data( tbl, "freeze", GINT_TO_POINTER(TRUE) ); prefs->setDouble("/tools/freehand/pencil/tolerance", gtk_adjustment_get_value(adj)); g_object_set_data( tbl, "freeze", GINT_TO_POINTER(FALSE) ); SPDesktop *desktop = static_cast<SPDesktop *>(g_object_get_data(tbl, "desktop")); std::vector<SPItem *> selected = desktop->getSelection()->itemList(); for (std::vector<SPItem *>::iterator it(selected.begin()); it != selected.end(); ++it){ SPLPEItem* lpeitem = dynamic_cast<SPLPEItem*>(*it); if (lpeitem && lpeitem->hasPathEffect()){ Inkscape::LivePathEffect::Effect* simplify = lpeitem->getPathEffectOfType(Inkscape::LivePathEffect::SIMPLIFY); if(simplify){ Inkscape::LivePathEffect::LPESimplify *lpe_simplify = dynamic_cast<Inkscape::LivePathEffect::LPESimplify*>(simplify->getLPEObj()->get_lpe()); if (lpe_simplify) { double tol = prefs->getDoubleLimited("/tools/freehand/pencil/tolerance", 10.0, 1.0, 100.0); tol = tol/(100.0*(102.0-tol)); std::ostringstream ss; ss << tol; Inkscape::LivePathEffect::Effect* powerstroke = lpeitem->getPathEffectOfType(Inkscape::LivePathEffect::POWERSTROKE); bool simplified = false; if(powerstroke){ Inkscape::LivePathEffect::LPEPowerStroke *lpe_powerstroke = dynamic_cast<Inkscape::LivePathEffect::LPEPowerStroke*>(powerstroke->getLPEObj()->get_lpe()); if(lpe_powerstroke){ lpe_powerstroke->getRepr()->setAttribute("is_visible", "false"); sp_lpe_item_update_patheffect(lpeitem, false, false); SPShape *sp_shape = dynamic_cast<SPShape *>(lpeitem); if (sp_shape) { guint previous_curve_length = sp_shape->getCurve()->get_segment_count(); lpe_simplify->getRepr()->setAttribute("threshold", ss.str()); sp_lpe_item_update_patheffect(lpeitem, false, false); simplified = true; guint curve_length = sp_shape->getCurve()->get_segment_count(); std::vector<Geom::Point> ts = lpe_powerstroke->offset_points.data(); double factor = (double)curve_length/ (double)previous_curve_length; for (size_t i = 0; i < ts.size(); i++) { ts[i][Geom::X] = ts[i][Geom::X] * factor; } lpe_powerstroke->offset_points.param_setValue(ts); } lpe_powerstroke->getRepr()->setAttribute("is_visible", "true"); sp_lpe_item_update_patheffect(lpeitem, false, false); } } if(!simplified){ lpe_simplify->getRepr()->setAttribute("threshold", ss.str()); } } } } } }
bool ZoomTool::root_handler(GdkEvent* event) { Inkscape::Preferences *prefs = Inkscape::Preferences::get(); tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100); double const zoom_inc = prefs->getDoubleLimited("/options/zoomincrement/value", M_SQRT2, 1.01, 10); bool ret = false; switch (event->type) { case GDK_BUTTON_PRESS: { Geom::Point const button_w(event->button.x, event->button.y); Geom::Point const button_dt(desktop->w2d(button_w)); if (event->button.button == 1 && !this->space_panning) { // save drag origin xp = (gint) event->button.x; yp = (gint) event->button.y; within_tolerance = true; Inkscape::Rubberband::get(desktop)->start(desktop, button_dt); escaped = false; ret = true; } else if (event->button.button == 3) { double const zoom_rel( (event->button.state & GDK_SHIFT_MASK) ? zoom_inc : 1 / zoom_inc ); desktop->zoom_relative_keep_point(button_dt, zoom_rel); ret = true; } 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); this->grabbed = SP_CANVAS_ITEM(desktop->acetate); break; } case GDK_MOTION_NOTIFY: if ((event->motion.state & GDK_BUTTON1_MASK) && !this->space_panning) { ret = true; 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; Geom::Point const motion_w(event->motion.x, event->motion.y); Geom::Point const motion_dt(desktop->w2d(motion_w)); Inkscape::Rubberband::get(desktop)->move(motion_dt); gobble_motion_events(GDK_BUTTON1_MASK); } break; case GDK_BUTTON_RELEASE: { Geom::Point const button_w(event->button.x, event->button.y); Geom::Point const button_dt(desktop->w2d(button_w)); if ( event->button.button == 1 && !this->space_panning) { Geom::OptRect const b = Inkscape::Rubberband::get(desktop)->getRectangle(); if (b && !within_tolerance) { desktop->set_display_area(*b, 10); } else if (!escaped) { double const zoom_rel( (event->button.state & GDK_SHIFT_MASK) ? 1 / zoom_inc : zoom_inc ); desktop->zoom_relative_keep_point(button_dt, zoom_rel); } ret = true; } Inkscape::Rubberband::get(desktop)->stop(); if (this->grabbed) { sp_canvas_item_ungrab(this->grabbed, event->button.time); this->grabbed = NULL; } xp = yp = 0; escaped = false; break; } case GDK_KEY_PRESS: switch (get_group0_keyval (&event->key)) { case GDK_KEY_Escape: if (!Inkscape::Rubberband::get(desktop)->is_started()) { Inkscape::SelectionHelper::selectNone(desktop); } Inkscape::Rubberband::get(desktop)->stop(); xp = yp = 0; escaped = true; ret = true; break; case GDK_KEY_Up: case GDK_KEY_Down: case GDK_KEY_KP_Up: case GDK_KEY_KP_Down: // prevent the zoom field from activation if (!MOD__CTRL_ONLY(event)) ret = true; break; case GDK_KEY_Shift_L: case GDK_KEY_Shift_R: this->cursor_shape = cursor_zoom_out_xpm; this->sp_event_context_update_cursor(); break; case GDK_KEY_Delete: case GDK_KEY_KP_Delete: case GDK_KEY_BackSpace: ret = this->deleteSelectedDrag(MOD__CTRL_ONLY(event)); break; default: break; } break; case GDK_KEY_RELEASE: switch (get_group0_keyval (&event->key)) { case GDK_KEY_Shift_L: case GDK_KEY_Shift_R: this->cursor_shape = cursor_zoom_xpm; this->sp_event_context_update_cursor(); break; default: break; } break; default: break; } if (!ret) { ret = ToolBase::root_handler(event); } return ret; }
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; }
static void spdc_check_for_and_apply_waiting_LPE(FreehandBase *dc, SPItem *item, SPCurve *curve) { using namespace Inkscape::LivePathEffect; Inkscape::Preferences *prefs = Inkscape::Preferences::get(); if (item && SP_IS_LPE_ITEM(item)) { bool simplify = prefs->getInt(tool_name(dc) + "/simplify", 0); if(simplify){ double tol = prefs->getDoubleLimited("/tools/freehand/pencil/tolerance", 10.0, 1.0, 100.0); tol = tol/(100.0*(102.0-tol)); std::ostringstream ss; ss << tol; spdc_apply_simplify(ss.str(), dc, item); sp_lpe_item_update_patheffect(SP_LPE_ITEM(item), false, false); } if (prefs->getInt(tool_name(dc) + "/freehand-mode", 0) == 1) { Effect::createAndApply(SPIRO, dc->desktop->doc(), item); } if (prefs->getInt(tool_name(dc) + "/freehand-mode", 0) == 2) { Effect::createAndApply(BSPLINE, dc->desktop->doc(), item); } SPShape *sp_shape = dynamic_cast<SPShape *>(item); if (sp_shape) { curve = sp_shape->getCurve(); } //Store the clipboard path to apply in the future without the use of clipboard static Geom::PathVector previous_shape_pathv; shapeType shape = (shapeType)prefs->getInt(tool_name(dc) + "/shape", 0); bool shape_applied = false; SPCSSAttr *css_item = sp_css_attr_from_object(item, SP_STYLE_FLAG_ALWAYS); const char *cstroke = sp_repr_css_property(css_item, "stroke", "none"); static SPItem *bend_item; #define SHAPE_LENGTH 10 #define SHAPE_HEIGHT 10 if(shape == LAST_APPLIED){ shape = previous_shape_type; if(shape == CLIPBOARD || shape == BEND_CLIPBOARD){ shape = LAST_APPLIED; } } switch (shape) { case NONE: // don't apply any shape break; case TRIANGLE_IN: { // "triangle in" std::vector<Geom::Point> points(1); points[0] = Geom::Point(0., SHAPE_HEIGHT/2); spdc_apply_powerstroke_shape(points, dc, item); shape_applied = true; break; } case TRIANGLE_OUT: { // "triangle out" guint curve_length = curve->get_segment_count(); std::vector<Geom::Point> points(1); points[0] = Geom::Point((double)curve_length, SHAPE_HEIGHT/2); spdc_apply_powerstroke_shape(points, dc, item); shape_applied = true; break; } case ELLIPSE: { // "ellipse" SPCurve *c = new SPCurve(); const double C1 = 0.552; c->moveto(0, SHAPE_HEIGHT/2); c->curveto(0, (1 - C1) * SHAPE_HEIGHT/2, (1 - C1) * SHAPE_LENGTH/2, 0, SHAPE_LENGTH/2, 0); c->curveto((1 + C1) * SHAPE_LENGTH/2, 0, SHAPE_LENGTH, (1 - C1) * SHAPE_HEIGHT/2, SHAPE_LENGTH, SHAPE_HEIGHT/2); c->curveto(SHAPE_LENGTH, (1 + C1) * SHAPE_HEIGHT/2, (1 + C1) * SHAPE_LENGTH/2, SHAPE_HEIGHT, SHAPE_LENGTH/2, SHAPE_HEIGHT); c->curveto((1 - C1) * SHAPE_LENGTH/2, SHAPE_HEIGHT, 0, (1 + C1) * SHAPE_HEIGHT/2, 0, SHAPE_HEIGHT/2); c->closepath(); spdc_paste_curve_as_freehand_shape(c->get_pathvector(), dc, item); c->unref(); shape_applied = true; break; } case CLIPBOARD: { // take shape from clipboard; Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get(); if(cm->paste(SP_ACTIVE_DESKTOP,true) == true){ SPItem * pasted_clipboard = dc->selection->singleItem(); if(pasted_clipboard){ Inkscape::XML::Node *pasted_clipboard_root = pasted_clipboard->getRepr(); Inkscape::XML::Node *path = sp_repr_lookup_name(pasted_clipboard_root, "svg:path", -1); // unlimited search depth if ( path != NULL ) { gchar const *svgd = path->attribute("d"); dc->selection->remove(SP_OBJECT(pasted_clipboard)); previous_shape_pathv = sp_svg_read_pathv(svgd); previous_shape_pathv *= pasted_clipboard->transform; spdc_paste_curve_as_freehand_shape(previous_shape_pathv, dc, item); shape = CLIPBOARD; shape_applied = true; pasted_clipboard->deleteObject(); } else { shape = NONE; } } else { shape = NONE; } } else { shape = NONE; } break; } case BEND_CLIPBOARD: { Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get(); if(cm->paste(SP_ACTIVE_DESKTOP,true) == true){ gchar const *svgd = item->getRepr()->attribute("d"); bend_item = dc->selection->singleItem(); if(bend_item){ bend_item->moveTo(item,false); bend_item->transform.setTranslation(Geom::Point()); spdc_apply_bend_shape(svgd, dc, bend_item); dc->selection->add(SP_OBJECT(bend_item)); shape = BEND_CLIPBOARD; } else { shape = NONE; } } else { shape = NONE; } break; } case LAST_APPLIED: { if(previous_shape_type == CLIPBOARD){ if(previous_shape_pathv.size() != 0){ spdc_paste_curve_as_freehand_shape(previous_shape_pathv, dc, item); shape_applied = true; shape = CLIPBOARD; } else{ shape = NONE; } } else { if(bend_item != NULL && bend_item->getRepr() != NULL){ gchar const *svgd = item->getRepr()->attribute("d"); dc->selection->add(SP_OBJECT(bend_item)); sp_selection_duplicate(dc->desktop); dc->selection->remove(SP_OBJECT(bend_item)); bend_item = dc->selection->singleItem(); if(bend_item){ bend_item->moveTo(item,false); Geom::Coord expansion_X = bend_item->transform.expansionX(); Geom::Coord expansion_Y = bend_item->transform.expansionY(); bend_item->transform = Geom::Affine(1,0,0,1,0,0); bend_item->transform.setExpansionX(expansion_X); bend_item->transform.setExpansionY(expansion_Y); spdc_apply_bend_shape(svgd, dc, bend_item); dc->selection->add(SP_OBJECT(bend_item)); shape = BEND_CLIPBOARD; } else { shape = NONE; } } else { shape = NONE; } } break; } default: break; } previous_shape_type = shape; if (shape_applied) { // apply original stroke color as fill and unset stroke; then return SPCSSAttr *css = sp_repr_css_attr_new(); if (!strcmp(cstroke, "none")){ sp_repr_css_set_property (css, "fill", "black"); } else { sp_repr_css_set_property (css, "fill", cstroke); } sp_repr_css_set_property (css, "stroke", "none"); sp_desktop_apply_css_recursive(item, css, true); sp_repr_css_attr_unref(css); return; } if (dc->waiting_LPE_type != INVALID_LPE) { Effect::createAndApply(dc->waiting_LPE_type, dc->desktop->doc(), item); dc->waiting_LPE_type = INVALID_LPE; if (SP_IS_LPETOOL_CONTEXT(dc)) { // since a geometric LPE was applied, we switch back to "inactive" mode lpetool_context_switch_mode(SP_LPETOOL_CONTEXT(dc), INVALID_LPE); } } if (SP_IS_PEN_CONTEXT(dc)) { SP_PEN_CONTEXT(dc)->setPolylineMode(); } } }
static gint sp_zoom_context_root_handler(SPEventContext *event_context, GdkEvent *event) { SPDesktop *desktop = event_context->desktop; Inkscape::Preferences *prefs = Inkscape::Preferences::get(); SPZoomContext *zc = SP_ZOOM_CONTEXT(event_context); tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100); double const zoom_inc = prefs->getDoubleLimited("/options/zoomincrement/value", M_SQRT2, 1.01, 10); gint ret = FALSE; switch (event->type) { case GDK_BUTTON_PRESS: { Geom::Point const button_w(event->button.x, event->button.y); Geom::Point const button_dt(desktop->w2d(button_w)); 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; Inkscape::Rubberband::get(desktop)->start(desktop, button_dt); escaped = false; ret = TRUE; } else if (event->button.button == 3) { double const zoom_rel( (event->button.state & GDK_SHIFT_MASK) ? zoom_inc : 1 / zoom_inc ); desktop->zoom_relative_keep_point(button_dt, zoom_rel); ret = TRUE; } 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); zc->grabbed = SP_CANVAS_ITEM(desktop->acetate); break; } case GDK_MOTION_NOTIFY: if (event->motion.state & GDK_BUTTON1_MASK && !event_context->space_panning) { ret = TRUE; 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; Geom::Point const motion_w(event->motion.x, event->motion.y); Geom::Point const motion_dt(desktop->w2d(motion_w)); Inkscape::Rubberband::get(desktop)->move(motion_dt); gobble_motion_events(GDK_BUTTON1_MASK); } break; case GDK_BUTTON_RELEASE: { Geom::Point const button_w(event->button.x, event->button.y); Geom::Point const button_dt(desktop->w2d(button_w)); if ( event->button.button == 1 && !event_context->space_panning) { Geom::OptRect const b = Inkscape::Rubberband::get(desktop)->getRectangle(); if (b && !within_tolerance) { desktop->set_display_area(*b, 10); } else if (!escaped) { double const zoom_rel( (event->button.state & GDK_SHIFT_MASK) ? 1 / zoom_inc : zoom_inc ); desktop->zoom_relative_keep_point(button_dt, zoom_rel); } ret = TRUE; } Inkscape::Rubberband::get(desktop)->stop(); if (zc->grabbed) { sp_canvas_item_ungrab(zc->grabbed, event->button.time); zc->grabbed = NULL; } xp = yp = 0; escaped = false; break; } case GDK_KEY_PRESS: switch (get_group0_keyval (&event->key)) { case GDK_Escape: Inkscape::Rubberband::get(desktop)->stop(); xp = yp = 0; escaped = true; ret = TRUE; break; 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_Shift_L: case GDK_Shift_R: event_context->cursor_shape = SP_ZOOM_OUT_CURSOR; sp_event_context_update_cursor(event_context); break; default: break; } break; case GDK_KEY_RELEASE: switch (get_group0_keyval (&event->key)) { case GDK_Shift_L: case GDK_Shift_R: event_context->cursor_shape = SP_ZOOM_CURSOR; sp_event_context_update_cursor(event_context); 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; }
/* interpolates the sketched curve and tweaks the current sketch interpolation*/ static void sketch_interpolate(SPPencilContext *pc) { g_assert( pc->ps.size() > 1 ); Inkscape::Preferences *prefs = Inkscape::Preferences::get(); double const tol = prefs->getDoubleLimited("/tools/freehand/pencil/tolerance", 10.0, 1.0, 100.0) * 0.4; double const tolerance_sq = 0.02 * square( pc->desktop->w2d().descrim() * tol) * exp(0.2*tol - 2); bool average_all_sketches = prefs->getBool("/tools/freehand/pencil/average_all_sketches", true); g_assert(is_zero(pc->req_tangent) || is_unit_vector(pc->req_tangent)); Geom::Point const tHatEnd(0, 0); guint n_points = pc->ps.size(); pc->red_curve->reset(); pc->red_curve_is_valid = false; Geom::Point * b = g_new(Geom::Point, 4*n_points); Geom::Point * points = g_new(Geom::Point, 4*n_points); for (unsigned i = 0; i < pc->ps.size(); i++) { points[i] = pc->ps[i]; } // worst case gives us a segment per point int max_segs = 4*n_points; int const n_segs = Geom::bezier_fit_cubic_r(b, points, n_points, tolerance_sq, max_segs); if ( n_segs > 0) { Geom::Path fit(b[0]); for (int c = 0; c < n_segs; c++) { fit.appendNew<Geom::CubicBezier>(b[4*c+1], b[4*c+2], b[4*c+3]); } Geom::Piecewise<Geom::D2<Geom::SBasis> > fit_pwd2 = fit.toPwSb(); double t =0.; if ( pc->sketch_n > 0 ) { if (average_all_sketches) { // Average = (sum of all) / n // = (sum of all + new one) / n+1 // = ((old average)*n + new one) / n+1 t = pc->sketch_n / (pc->sketch_n + 1.); } else { t = 0.5; } pc->sketch_interpolation = Geom::lerp(t, fit_pwd2, pc->sketch_interpolation); } else { pc->sketch_interpolation = fit_pwd2; } pc->sketch_n++; pc->green_curve->reset(); pc->green_curve->set_pathvector(Geom::path_from_piecewise(pc->sketch_interpolation, 0.01)); sp_canvas_bpath_set_bpath(SP_CANVAS_BPATH(pc->red_bpath), pc->green_curve); /* Fit and draw and copy last point */ g_assert(!pc->green_curve->is_empty()); /* Set up direction of next curve. */ { Geom::CubicBezier const * last_seg = dynamic_cast<Geom::CubicBezier const *>(pc->green_curve->last_segment()); g_assert( last_seg ); // Relevance: validity of (*last_seg)[2] pc->p[0] = last_seg->finalPoint(); pc->npoints = 1; Geom::Point const req_vec( pc->p[0] - (*last_seg)[2] ); pc->req_tangent = ( ( Geom::is_zero(req_vec) || !in_svg_plane(req_vec) ) ? Geom::Point(0, 0) : Geom::unit_vector(req_vec) ); } } g_free(b); g_free(points); pc->ps.clear(); }
/** 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; }