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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
commitcca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch)
tree146f39ded1c938019e1ed42d30923c2ac9e86789 /src/ui/tools/select-tool.cpp
parentInitial commit. (diff)
downloadinkscape-upstream.tar.xz
inkscape-upstream.zip
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/ui/tools/select-tool.cpp1146
1 files changed, 1146 insertions, 0 deletions
diff --git a/src/ui/tools/select-tool.cpp b/src/ui/tools/select-tool.cpp
new file mode 100644
index 0000000..0e80c3d
--- /dev/null
+++ b/src/ui/tools/select-tool.cpp
@@ -0,0 +1,1146 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Selection and transformation context
+ *
+ * Authors:
+ * Lauris Kaplinski <lauris@kaplinski.com>
+ * bulia byak <buliabyak@users.sf.net>
+ * Abhishek Sharma
+ * Jon A. Cruz <jon@joncruz.org>
+ *
+ * Copyright (C) 2010 authors
+ * Copyright (C) 2006 Johan Engelen <johan@shouraizou.nl>
+ * Copyright (C) 1999-2005 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h" // only include where actually required!
+#endif
+
+#include <cstring>
+#include <string>
+
+#include <gtkmm/widget.h>
+#include <gdk/gdkkeysyms.h>
+#include <glibmm/i18n.h>
+
+#include "desktop.h"
+#include "document-undo.h"
+#include "document.h"
+#include "include/macros.h"
+#include "layer-manager.h"
+#include "message-stack.h"
+#include "rubberband.h"
+#include "selection-chemistry.h"
+#include "selection-describer.h"
+#include "selection.h"
+#include "seltrans.h"
+
+#include "actions/actions-tools.h" // set_active_tool()
+
+#include "display/drawing-item.h"
+#include "display/control/canvas-item-catchall.h"
+#include "display/control/canvas-item-drawing.h"
+#include "display/control/snap-indicator.h"
+
+#include "object/box3d.h"
+#include "style.h"
+
+#include "ui/cursor-utils.h"
+#include "ui/modifiers.h"
+
+#include "ui/tools/select-tool.h"
+
+#include "ui/widget/canvas.h"
+
+
+using Inkscape::DocumentUndo;
+using Inkscape::Modifiers::Modifier;
+
+namespace Inkscape {
+namespace UI {
+namespace Tools {
+
+static gint rb_escaped = 0; // if non-zero, rubberband was canceled by esc, so the next button release should not deselect
+static gint drag_escaped = 0; // if non-zero, drag was canceled by esc
+static bool is_cycling = false;
+
+SelectTool::SelectTool(SPDesktop *desktop)
+ : ToolBase(desktop, "/tools/select", "select.svg")
+ , dragging(false)
+ , _force_dragging(false)
+ , _alt_on(false)
+ , moved(false)
+ , button_press_state(0)
+ , cycling_wrap(true)
+ , item(nullptr)
+ , _seltrans(nullptr)
+ , _describer(nullptr)
+{
+ auto select_click = Modifier::get(Modifiers::Type::SELECT_ADD_TO)->get_label();
+ auto select_scroll = Modifier::get(Modifiers::Type::SELECT_CYCLE)->get_label();
+
+ // cursors in select context
+ _default_cursor = "select.svg";
+
+ no_selection_msg = g_strdup_printf(
+ _("No objects selected. Click, %s+click, %s+scroll mouse on top of objects, or drag around objects to select."),
+ select_click.c_str(), select_scroll.c_str());
+
+ this->_describer = new Inkscape::SelectionDescriber(
+ desktop->selection,
+ desktop->messageStack(),
+ _("Click selection again to toggle scale/rotation handles"),
+ no_selection_msg);
+
+ this->_seltrans = new Inkscape::SelTrans(desktop);
+
+ sp_event_context_read(this, "show");
+ sp_event_context_read(this, "transform");
+
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+
+ if (prefs->getBool("/tools/select/gradientdrag")) {
+ this->enableGrDrag();
+ }
+}
+
+SelectTool::~SelectTool()
+{
+ this->enableGrDrag(false);
+
+ if (grabbed) {
+ grabbed->ungrab();
+ grabbed = nullptr;
+ }
+
+ delete this->_seltrans;
+ this->_seltrans = nullptr;
+
+ delete this->_describer;
+ this->_describer = nullptr;
+ g_free(no_selection_msg);
+
+ if (item) {
+ sp_object_unref(item);
+ item = nullptr;
+ }
+}
+
+void SelectTool::set(const Inkscape::Preferences::Entry& val) {
+ Glib::ustring path = val.getEntryName();
+
+ if (path == "show") {
+ if (val.getString() == "outline") {
+ this->_seltrans->setShow(Inkscape::SelTrans::SHOW_OUTLINE);
+ } else {
+ this->_seltrans->setShow(Inkscape::SelTrans::SHOW_CONTENT);
+ }
+ }
+}
+
+bool SelectTool::sp_select_context_abort() {
+ Inkscape::SelTrans *seltrans = this->_seltrans;
+
+ if (this->dragging) {
+ if (this->moved) { // cancel dragging an object
+ seltrans->ungrab();
+ this->moved = FALSE;
+ this->dragging = FALSE;
+ this->discard_delayed_snap_event();
+ drag_escaped = 1;
+
+ if (this->item) {
+ // only undo if the item is still valid
+ if (this->item->document) {
+ DocumentUndo::undo(_desktop->getDocument());
+ }
+
+ sp_object_unref( this->item, nullptr);
+ }
+ this->item = nullptr;
+
+ _desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Move canceled."));
+ return true;
+ }
+ } else {
+ if (Inkscape::Rubberband::get(_desktop)->is_started()) {
+ Inkscape::Rubberband::get(_desktop)->stop();
+ rb_escaped = 1;
+ defaultMessageContext()->clear();
+ _desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Selection canceled."));
+ return true;
+ }
+ }
+ return false;
+}
+
+static bool
+key_is_a_modifier (guint key) {
+ return (key == GDK_KEY_Alt_L ||
+ key == GDK_KEY_Alt_R ||
+ key == GDK_KEY_Control_L ||
+ key == GDK_KEY_Control_R ||
+ key == GDK_KEY_Shift_L ||
+ key == GDK_KEY_Shift_R ||
+ key == GDK_KEY_Meta_L || // Meta is when you press Shift+Alt (at least on my machine)
+ key == GDK_KEY_Meta_R);
+}
+
+static void
+sp_select_context_up_one_layer(SPDesktop *desktop)
+{
+ /* Click in empty place, go up one level -- but don't leave a layer to root.
+ *
+ * (Rationale: we don't usually allow users to go to the root, since that
+ * detracts from the layer metaphor: objects at the root level can in front
+ * of or behind layers. Whereas it's fine to go to the root if editing
+ * a document that has no layers (e.g. a non-Inkscape document).)
+ *
+ * Once we support editing SVG "islands" (e.g. <svg> embedded in an xhtml
+ * document), we might consider further restricting the below to disallow
+ * leaving a layer to go to a non-layer.
+ */
+ if (SPObject *const current_layer = desktop->layerManager().currentLayer()) {
+ SPObject *const parent = current_layer->parent;
+ SPGroup *current_group = dynamic_cast<SPGroup *>(current_layer);
+ if ( parent
+ && ( parent->parent
+ || !( current_group
+ && ( SPGroup::LAYER == current_group->layerMode() ) ) ) )
+ {
+ desktop->layerManager().setCurrentLayer(parent);
+ if (current_group && (SPGroup::LAYER != current_group->layerMode())) {
+ desktop->getSelection()->set(current_layer);
+ }
+ }
+ }
+}
+
+bool SelectTool::item_handler(SPItem* item, GdkEvent* event) {
+ gint ret = FALSE;
+
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100);
+
+ // make sure we still have valid objects to move around
+ if (this->item && this->item->document == nullptr) {
+ this->sp_select_context_abort();
+ }
+
+ switch (event->type) {
+ case GDK_BUTTON_PRESS:
+ if (event->button.button == 1) {
+ /* Left mousebutton */
+
+ // save drag origin
+ xp = (gint) event->button.x;
+ yp = (gint) event->button.y;
+ within_tolerance = true;
+
+ // remember what modifiers were on before button press
+ this->button_press_state = event->button.state;
+ bool first_hit = Modifier::get(Modifiers::Type::SELECT_FIRST_HIT)->active(this->button_press_state);
+ bool force_drag = Modifier::get(Modifiers::Type::SELECT_FORCE_DRAG)->active(this->button_press_state);
+ bool always_box = Modifier::get(Modifiers::Type::SELECT_ALWAYS_BOX)->active(this->button_press_state);
+ bool touch_path = Modifier::get(Modifiers::Type::SELECT_TOUCH_PATH)->active(this->button_press_state);
+
+ // if shift or ctrl was pressed, do not move objects;
+ // pass the event to root handler which will perform rubberband, shift-click, ctrl-click, ctrl-drag
+ if (!(always_box || first_hit || touch_path)) {
+
+ this->dragging = TRUE;
+ this->moved = FALSE;
+
+ this->set_cursor("select-dragging.svg");
+
+ // remember the clicked item in this->item:
+ if (this->item) {
+ sp_object_unref(this->item, nullptr);
+ this->item = nullptr;
+ }
+
+ this->item = sp_event_context_find_item (_desktop, Geom::Point(event->button.x, event->button.y), force_drag, FALSE);
+ sp_object_ref(this->item, nullptr);
+
+ rb_escaped = drag_escaped = 0;
+
+ if (grabbed) {
+ grabbed->ungrab();
+ grabbed = nullptr;
+ }
+
+ grabbed = _desktop->getCanvasDrawing();
+ grabbed->grab(Gdk::KEY_PRESS_MASK |
+ Gdk::KEY_RELEASE_MASK |
+ Gdk::BUTTON_PRESS_MASK |
+ Gdk::BUTTON_RELEASE_MASK |
+ Gdk::POINTER_MOTION_MASK );
+
+ ret = TRUE;
+ }
+ } else if (event->button.button == 3 && !this->dragging) {
+ // right click; do not eat it so that right-click menu can appear, but cancel dragging & rubberband
+ this->sp_select_context_abort();
+ }
+ break;
+
+
+ case GDK_ENTER_NOTIFY: {
+ if (!dragging && !_alt_on && !_desktop->isWaitingCursor()) {
+ this->set_cursor("select-mouseover.svg");
+ }
+ break;
+ }
+ case GDK_LEAVE_NOTIFY:
+ if (!dragging && !_force_dragging && !_desktop->isWaitingCursor()) {
+ this->set_cursor("select.svg");
+ }
+ break;
+
+ case GDK_KEY_PRESS:
+ if (get_latin_keyval (&event->key) == GDK_KEY_space) {
+ if (this->dragging && this->grabbed) {
+ /* stamping mode: show content mode moving */
+ _seltrans->stamp();
+ ret = TRUE;
+ }
+ } else if (get_latin_keyval (&event->key) == GDK_KEY_Tab) {
+ if (this->dragging && this->grabbed) {
+ _seltrans->getNextClosestPoint(false);
+ } else {
+ sp_selection_item_next(_desktop);
+ }
+ ret = TRUE;
+ } else if (get_latin_keyval (&event->key) == GDK_KEY_ISO_Left_Tab) {
+ if (this->dragging && this->grabbed) {
+ _seltrans->getNextClosestPoint(true);
+ } else {
+ sp_selection_item_prev(_desktop);
+ }
+ ret = TRUE;
+ }
+ break;
+
+ case GDK_BUTTON_RELEASE:
+ case GDK_KEY_RELEASE:
+ if (_alt_on) {
+ _default_cursor = "select-mouseover.svg";
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ if (!ret) {
+ ret = ToolBase::item_handler(item, event);
+ }
+
+ return ret;
+}
+
+void SelectTool::sp_select_context_cycle_through_items(Inkscape::Selection *selection, GdkEventScroll *scroll_event) {
+ if ( this->cycling_items.empty() )
+ return;
+
+ Inkscape::DrawingItem *arenaitem;
+
+ if(cycling_cur_item) {
+ arenaitem = cycling_cur_item->get_arenaitem(_desktop->dkey);
+ arenaitem->setOpacity(0.3);
+ }
+
+ // Find next item and activate it
+
+
+ std::vector<SPItem *>::iterator next = cycling_items.end();
+
+ if ((scroll_event->direction == GDK_SCROLL_UP) ||
+ (scroll_event->direction == GDK_SCROLL_SMOOTH && scroll_event->delta_y < 0)) {
+ if (! cycling_cur_item) {
+ next = cycling_items.begin();
+ } else {
+ next = std::find( cycling_items.begin(), cycling_items.end(), cycling_cur_item );
+ g_assert (next != cycling_items.end());
+ ++next;
+ if (next == cycling_items.end()) {
+ if ( cycling_wrap ) {
+ next = cycling_items.begin();
+ } else {
+ --next;
+ }
+ }
+ }
+ } else {
+ if (! cycling_cur_item) {
+ next = cycling_items.end();
+ --next;
+ } else {
+ next = std::find( cycling_items.begin(), cycling_items.end(), cycling_cur_item );
+ g_assert (next != cycling_items.end());
+ if (next == cycling_items.begin()){
+ if ( cycling_wrap ) {
+ next = cycling_items.end();
+ --next;
+ }
+ } else {
+ --next;
+ }
+ }
+ }
+
+ this->cycling_cur_item = *next;
+ g_assert(next != cycling_items.end());
+ g_assert(cycling_cur_item != nullptr);
+
+ arenaitem = cycling_cur_item->get_arenaitem(_desktop->dkey);
+ arenaitem->setOpacity(1.0);
+
+ if (Modifier::get(Modifiers::Type::SELECT_ADD_TO)->active(scroll_event->state)) {
+ selection->add(cycling_cur_item);
+ } else {
+ selection->set(cycling_cur_item);
+ }
+}
+
+void SelectTool::sp_select_context_reset_opacities() {
+ for (auto item : this->cycling_items_cmp) {
+ if (item) {
+ Inkscape::DrawingItem *arenaitem = item->get_arenaitem(_desktop->dkey);
+ arenaitem->setOpacity(SP_SCALE24_TO_FLOAT(item->style->opacity.value));
+ } else {
+ g_assert_not_reached();
+ }
+ }
+
+ this->cycling_items_cmp.clear();
+ this->cycling_cur_item = nullptr;
+}
+
+bool SelectTool::root_handler(GdkEvent* event) {
+ SPItem *item = nullptr;
+ SPItem *item_at_point = nullptr, *group_at_point = nullptr, *item_in_group = nullptr;
+ gint ret = FALSE;
+
+ Inkscape::Selection *selection = _desktop->getSelection();
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+
+ // make sure we still have valid objects to move around
+ if (this->item && this->item->document == nullptr) {
+ this->sp_select_context_abort();
+ }
+
+ switch (event->type) {
+ case GDK_2BUTTON_PRESS:
+ if (event->button.button == 1) {
+ if (!selection->isEmpty()) {
+ SPItem *clicked_item = selection->items().front();
+
+ if (dynamic_cast<SPGroup *>(clicked_item) && !dynamic_cast<SPBox3D *>(clicked_item)) { // enter group if it's not a 3D box
+ _desktop->layerManager().setCurrentLayer(clicked_item);
+ _desktop->getSelection()->clear();
+ this->dragging = false;
+ this->discard_delayed_snap_event();
+
+ } else { // switch tool
+ Geom::Point const button_pt(event->button.x, event->button.y);
+ Geom::Point const p(_desktop->w2d(button_pt));
+ set_active_tool(_desktop, clicked_item, p);
+ }
+ } else {
+ sp_select_context_up_one_layer(_desktop);
+ }
+
+ ret = TRUE;
+ }
+ break;
+
+ case GDK_BUTTON_PRESS:
+ if (event->button.button == 1) {
+ // 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(Modifier::get(Modifiers::Type::SELECT_TOUCH_PATH)->active(event->button.state)) {
+ Inkscape::Rubberband::get(_desktop)->setMode(RUBBERBAND_MODE_TOUCHPATH);
+ } else {
+ Inkscape::Rubberband::get(_desktop)->defaultMode();
+ }
+
+ Inkscape::Rubberband::get(_desktop)->start(_desktop, p);
+
+ if (this->grabbed) {
+ grabbed->ungrab();
+ this->grabbed = nullptr;
+ }
+
+ grabbed = _desktop->getCanvasCatchall();
+ grabbed->grab(Gdk::KEY_PRESS_MASK |
+ Gdk::KEY_RELEASE_MASK |
+ Gdk::BUTTON_PRESS_MASK |
+ Gdk::BUTTON_RELEASE_MASK |
+ Gdk::POINTER_MOTION_MASK );
+
+ // remember what modifiers were on before button press
+ this->button_press_state = event->button.state;
+
+ this->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
+ this->sp_select_context_abort();
+ }
+ break;
+
+ case GDK_MOTION_NOTIFY:
+ {
+ if (this->grabbed && event->button.state & (GDK_SHIFT_MASK | GDK_MOD1_MASK)) {
+ _desktop->snapindicator->remove_snaptarget();
+ }
+
+ tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100);
+
+ bool first_hit = Modifier::get(Modifiers::Type::SELECT_FIRST_HIT)->active(this->button_press_state);
+ bool force_drag = Modifier::get(Modifiers::Type::SELECT_FORCE_DRAG)->active(this->button_press_state);
+ bool always_box = Modifier::get(Modifiers::Type::SELECT_ALWAYS_BOX)->active(this->button_press_state);
+
+ if ((event->motion.state & GDK_BUTTON1_MASK)) {
+ 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 (first_hit || (force_drag && !always_box && !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
+ this->dragging = TRUE;
+ this->set_cursor("select-dragging.svg");
+ }
+
+ if (this->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
+ if (Inkscape::Rubberband::get(_desktop)->is_started()) {
+ Inkscape::Rubberband::get(_desktop)->stop();
+ }
+ this->defaultMessageContext()->clear();
+
+ // Look for an item where the mouse was reported to be by mouse press (not mouse move).
+ item_at_point = _desktop->getItemAtPoint(Geom::Point(xp, yp), FALSE);
+
+ if (item_at_point || this->moved || force_drag) {
+ // drag only if starting from an item, or if something is already grabbed, or if alt-dragging
+ if (!this->moved) {
+ item_in_group = _desktop->getItemAtPoint(Geom::Point(event->button.x, event->button.y), TRUE);
+ group_at_point = _desktop->getGroupAtPoint(Geom::Point(event->button.x, event->button.y));
+
+ {
+ SPGroup *selGroup = dynamic_cast<SPGroup *>(selection->single());
+ if (selGroup && (selGroup->layerMode() == SPGroup::LAYER)) {
+ group_at_point = selGroup;
+ }
+ }
+
+ // 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 = nullptr;
+ }
+
+ // 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)) && !force_drag) {
+ // 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);
+ this->moved = TRUE;
+ }
+
+ if (!_seltrans->isEmpty()) {
+ // this->discard_delayed_snap_event();
+ _seltrans->moveTo(p, event->button.state);
+ }
+
+ _desktop->scroll_to_point(p);
+ gobble_motion_events(GDK_BUTTON1_MASK);
+ ret = TRUE;
+ } else {
+ this->dragging = FALSE;
+ this->discard_delayed_snap_event();
+ }
+
+ } else {
+ if (Inkscape::Rubberband::get(_desktop)->is_started()) {
+ Inkscape::Rubberband::get(_desktop)->move(p);
+
+ auto touch_path = Modifier::get(Modifiers::Type::SELECT_TOUCH_PATH)->get_label();
+ auto mode = Inkscape::Rubberband::get(_desktop)->getMode();
+ if (mode == RUBBERBAND_MODE_TOUCHPATH) {
+ this->defaultMessageContext()->setF(Inkscape::NORMAL_MESSAGE,
+ _("<b>Draw over</b> objects to select them; release <b>%s</b> to switch to rubberband selection"), touch_path.c_str());
+ } else if (mode == RUBBERBAND_MODE_TOUCHRECT) {
+ this->defaultMessageContext()->setF(Inkscape::NORMAL_MESSAGE,
+ _("<b>Drag near</b> objects to select them; press <b>%s</b> to switch to touch selection"), touch_path.c_str());
+ } else {
+ this->defaultMessageContext()->setF(Inkscape::NORMAL_MESSAGE,
+ _("<b>Drag around</b> objects to select them; press <b>%s</b> to switch to touch selection"), touch_path.c_str());
+ }
+
+ gobble_motion_events(GDK_BUTTON1_MASK);
+ }
+ }
+ }
+ break;
+ }
+ case GDK_BUTTON_RELEASE:
+ xp = yp = 0;
+
+ if ((event->button.button == 1) && (this->grabbed)) {
+ if (this->dragging) {
+
+ if (this->moved) {
+ // item has been moved
+ _seltrans->ungrab();
+ this->moved = FALSE;
+ } else if (this->item && !drag_escaped) {
+ // item has not been moved -> simply a click, do selecting
+ if (!selection->isEmpty()) {
+ if(Modifier::get(Modifiers::Type::SELECT_ADD_TO)->active(event->button.state)) {
+ // with shift, toggle selection
+ _seltrans->resetState();
+ selection->toggle(this->item);
+ } else {
+ SPObject* single = selection->single();
+ SPGroup *singleGroup = dynamic_cast<SPGroup *>(single);
+ // without shift, increase state (i.e. toggle scale/rotation handles)
+ if (selection->includes(this->item)) {
+ _seltrans->increaseState();
+ } else if (singleGroup && (singleGroup->layerMode() == SPGroup::LAYER) && single->isAncestorOf(this->item)) {
+ _seltrans->increaseState();
+ } else {
+ _seltrans->resetState();
+ selection->set(this->item);
+ }
+ }
+ } else { // simple or shift click, no previous selection
+ _seltrans->resetState();
+ selection->set(this->item);
+ }
+ }
+
+ this->dragging = FALSE;
+
+ auto window = _desktop->getCanvas()->get_window();
+
+ if (!_alt_on) {
+ if (_force_dragging) {
+ this->set_cursor(_default_cursor);
+ _force_dragging = false;
+ } else {
+ this->set_cursor("select-mouseover.svg");
+ }
+ }
+
+ this->discard_delayed_snap_event();
+
+ if (this->item) {
+ sp_object_unref( this->item, nullptr);
+ }
+
+ this->item = nullptr;
+ } else {
+ Inkscape::Rubberband *r = Inkscape::Rubberband::get(_desktop);
+
+ if (r->is_started() && !within_tolerance) {
+ // this was a rubberband drag
+ std::vector<SPItem*> items;
+
+ if (r->getMode() == RUBBERBAND_MODE_RECT) {
+ Geom::OptRect const b = r->getRectangle();
+ items = _desktop->getDocument()->getItemsInBox(_desktop->dkey, (*b) * _desktop->dt2doc());
+ } else if (r->getMode() == RUBBERBAND_MODE_TOUCHRECT) {
+ Geom::OptRect const b = r->getRectangle();
+ items = _desktop->getDocument()->getItemsPartiallyInBox(_desktop->dkey, (*b) * _desktop->dt2doc());
+ } else if (r->getMode() == RUBBERBAND_MODE_TOUCHPATH) {
+ bool topmost_items_only = prefs->getBool("/options/selection/touchsel_topmost_only");
+ items = _desktop->getDocument()->getItemsAtPoints(_desktop->dkey, r->getPoints(), true, topmost_items_only);
+ }
+
+ _seltrans->resetState();
+ r->stop();
+ this->defaultMessageContext()->clear();
+
+ if(Modifier::get(Modifiers::Type::SELECT_ADD_TO)->active(event->button.state)) {
+ // with shift, add to selection
+ selection->addList (items);
+ } else {
+ // without shift, simply select anew
+ selection->setList (items);
+ }
+
+ } else { // it was just a click, or a too small rubberband
+ r->stop();
+
+ bool add_to = Modifier::get(Modifiers::Type::SELECT_ADD_TO)->active(event->button.state);
+ bool in_groups = Modifier::get(Modifiers::Type::SELECT_IN_GROUPS)->active(event->button.state);
+ bool force_drag = Modifier::get(Modifiers::Type::SELECT_FORCE_DRAG)->active(event->button.state);
+
+ if (add_to && !rb_escaped && !drag_escaped) {
+ // this was a shift+click or alt+shift+click, select what was clicked upon
+
+ if (in_groups) {
+ // go into groups, honoring force_drag (Alt)
+ item = sp_event_context_find_item (_desktop,
+ Geom::Point(event->button.x, event->button.y), force_drag, TRUE);
+ } else {
+ // don't go into groups, honoring Alt
+ item = sp_event_context_find_item (_desktop,
+ Geom::Point(event->button.x, event->button.y), force_drag, FALSE);
+ }
+
+ if (item) {
+ selection->toggle(item);
+ item = nullptr;
+ }
+
+ } else if ((in_groups || force_drag) && !rb_escaped && !drag_escaped) { // ctrl+click, alt+click
+ item = sp_event_context_find_item (_desktop,
+ Geom::Point(event->button.x, event->button.y), force_drag, in_groups);
+
+ if (item) {
+ if (selection->includes(item)) {
+ _seltrans->increaseState();
+ } else {
+ _seltrans->resetState();
+ selection->set(item);
+ }
+
+ item = nullptr;
+ }
+ } else { // click without shift, simply deselect, unless with Alt or something was cancelled
+ if (!selection->isEmpty()) {
+ if (!(rb_escaped) && !(drag_escaped) && !force_drag) {
+ selection->clear();
+ }
+
+ rb_escaped = 0;
+ }
+ }
+ }
+
+ ret = TRUE;
+ }
+ if (grabbed) {
+ grabbed->ungrab();
+ grabbed = nullptr;
+ }
+ // Think is not necessary now
+ // _desktop->updateNow();
+ }
+
+ if (event->button.button == 1) {
+ Inkscape::Rubberband::get(_desktop)->stop(); // might have been started in another tool!
+ }
+
+ this->button_press_state = 0;
+ break;
+
+ case GDK_SCROLL: {
+
+ GdkEventScroll *scroll_event = (GdkEventScroll*) event;
+
+ // do nothing specific if alt was not pressed
+ if ( ! Modifier::get(Modifiers::Type::SELECT_CYCLE)->active(scroll_event->state))
+ break;
+
+ is_cycling = true;
+
+ /* Rebuild list of items underneath the mouse pointer */
+ Geom::Point p = _desktop->d2w(_desktop->point());
+ SPItem *item = _desktop->getItemAtPoint(p, true, nullptr);
+ this->cycling_items.clear();
+
+ SPItem *tmp = nullptr;
+ while(item != nullptr) {
+ this->cycling_items.push_back(item);
+ item = _desktop->getItemAtPoint(p, true, item);
+ if (selection->includes(item)) tmp = item;
+ }
+
+ /* Compare current item list with item list during previous scroll ... */
+ bool item_lists_differ = this->cycling_items != this->cycling_items_cmp;
+
+ if(item_lists_differ) {
+ this->sp_select_context_reset_opacities();
+ for (auto l : this->cycling_items_cmp)
+ selection->remove(l); // deselects the previous content of the cycling loop
+ this->cycling_items_cmp = (this->cycling_items);
+
+ // set opacities in new stack
+ for(auto item : this->cycling_items) {
+ if (item) {
+ Inkscape::DrawingItem *arenaitem = item->get_arenaitem(_desktop->dkey);
+ arenaitem->setOpacity(0.3);
+ }
+ }
+ }
+ if(!cycling_cur_item) cycling_cur_item = tmp;
+
+ this->cycling_wrap = prefs->getBool("/options/selection/cycleWrap", true);
+
+ // Cycle through the items underneath the mouse pointer, one-by-one
+ this->sp_select_context_cycle_through_items(selection, scroll_event);
+
+ ret = TRUE;
+
+ GtkWindow *w = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(_desktop->getCanvas()->gobj())));
+ if (w) {
+ gtk_window_present(w);
+ _desktop->getCanvas()->grab_focus();
+ }
+ break;
+ }
+
+ case GDK_KEY_PRESS: // keybindings for select context
+ {
+ {
+ guint keyval = get_latin_keyval(&event->key);
+
+ bool alt = ( MOD__ALT(event)
+ || (keyval == GDK_KEY_Alt_L)
+ || (keyval == GDK_KEY_Alt_R)
+ || (keyval == GDK_KEY_Meta_L)
+ || (keyval == GDK_KEY_Meta_R));
+
+ if (alt) {
+ _alt_on = true;
+ }
+
+ if (!key_is_a_modifier (keyval)) {
+ this->defaultMessageContext()->clear();
+ } else if (this->grabbed || _seltrans->isGrabbed()) {
+ if (Inkscape::Rubberband::get(_desktop)->is_started()) {
+ // if Alt then change cursor to moving cursor:
+ if (Modifier::get(Modifiers::Type::SELECT_TOUCH_PATH)->active(event->key.state | keyval)) {
+ 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 {
+ Modifiers::responsive_tooltip(this->defaultMessageContext(), event, 6,
+ Modifiers::Type::SELECT_IN_GROUPS, Modifiers::Type::MOVE_CONFINE,
+ Modifiers::Type::SELECT_ADD_TO, Modifiers::Type::SELECT_TOUCH_PATH,
+ Modifiers::Type::SELECT_CYCLE, Modifiers::Type::SELECT_FORCE_DRAG);
+
+ // if Alt and nonempty selection, show moving cursor ("move selected"):
+ if (alt && !selection->isEmpty() && !_desktop->isWaitingCursor()) {
+ this->set_cursor("select-dragging.svg");
+ _force_dragging = true;
+ _default_cursor = "select.svg";
+ }
+ //*/
+ break;
+ }
+ }
+
+ gdouble const nudge = prefs->getDoubleLimited("/options/nudgedistance/value", 2, 0, 1000, "px"); // in px
+ int const snaps = prefs->getInt("/options/rotationsnapsperpi/value", 12);
+ auto const y_dir = _desktop->yaxisdir();
+
+ switch (get_latin_keyval (&event->key)) {
+ case GDK_KEY_Left: // move selection left
+ case GDK_KEY_KP_Left:
+ if (!MOD__CTRL(event)) { // not ctrl
+ gint mul = 1 + gobble_key_events( get_latin_keyval(&event->key), 0); // with any mask
+
+ if (MOD__ALT(event)) { // alt
+ if (MOD__SHIFT(event)) {
+ _desktop->getSelection()->moveScreen(mul*-10, 0); // shift
+ } else {
+ _desktop->getSelection()->moveScreen(mul*-1, 0); // no shift
+ }
+ } else { // no alt
+ if (MOD__SHIFT(event)) {
+ _desktop->getSelection()->move(mul*-10*nudge, 0); // shift
+ } else {
+ _desktop->getSelection()->move(mul*-nudge, 0); // no shift
+ }
+ }
+
+ ret = TRUE;
+ }
+ break;
+
+ case GDK_KEY_Up: // move selection up
+ case GDK_KEY_KP_Up:
+ if (!MOD__CTRL(event)) { // not ctrl
+ gint mul = 1 + gobble_key_events(get_latin_keyval(&event->key), 0); // with any mask
+ mul *= -y_dir;
+
+ if (MOD__ALT(event)) { // alt
+ if (MOD__SHIFT(event)) {
+ _desktop->getSelection()->moveScreen(0, mul*10); // shift
+ } else {
+ _desktop->getSelection()->moveScreen(0, mul*1); // no shift
+ }
+ } else { // no alt
+ if (MOD__SHIFT(event)) {
+ _desktop->getSelection()->move(0, mul*10*nudge); // shift
+ } else {
+ _desktop->getSelection()->move(0, mul*nudge); // no shift
+ }
+ }
+
+ ret = TRUE;
+ }
+ break;
+
+ case GDK_KEY_Right: // move selection right
+ case GDK_KEY_KP_Right:
+ if (!MOD__CTRL(event)) { // not ctrl
+ gint mul = 1 + gobble_key_events(get_latin_keyval(&event->key), 0); // with any mask
+
+ if (MOD__ALT(event)) { // alt
+ if (MOD__SHIFT(event)) {
+ _desktop->getSelection()->moveScreen(mul*10, 0); // shift
+ } else {
+ _desktop->getSelection()->moveScreen(mul*1, 0); // no shift
+ }
+ } else { // no alt
+ if (MOD__SHIFT(event)) {
+ _desktop->getSelection()->move(mul*10*nudge, 0); // shift
+ } else {
+ _desktop->getSelection()->move(mul*nudge, 0); // no shift
+ }
+ }
+
+ ret = TRUE;
+ }
+ break;
+
+ case GDK_KEY_Down: // move selection down
+ case GDK_KEY_KP_Down:
+ if (!MOD__CTRL(event)) { // not ctrl
+ gint mul = 1 + gobble_key_events(get_latin_keyval(&event->key), 0); // with any mask
+ mul *= -y_dir;
+
+ if (MOD__ALT(event)) { // alt
+ if (MOD__SHIFT(event)) {
+ _desktop->getSelection()->moveScreen(0, mul*-10); // shift
+ } else {
+ _desktop->getSelection()->moveScreen(0, mul*-1); // no shift
+ }
+ } else { // no alt
+ if (MOD__SHIFT(event)) {
+ _desktop->getSelection()->move(0, mul*-10*nudge); // shift
+ } else {
+ _desktop->getSelection()->move(0, mul*-nudge); // no shift
+ }
+ }
+
+ ret = TRUE;
+ }
+ break;
+
+ case GDK_KEY_Escape:
+ if (!this->sp_select_context_abort()) {
+ selection->clear();
+ }
+
+ ret = TRUE;
+ break;
+
+ case GDK_KEY_a:
+ case GDK_KEY_A:
+ if (MOD__CTRL_ONLY(event)) {
+ sp_edit_select_all(_desktop);
+ ret = TRUE;
+ }
+ break;
+
+ case GDK_KEY_space:
+ /* stamping mode: show outline mode moving */
+ /* FIXME: Is next condition ok? (lauris) */
+ if (this->dragging && this->grabbed) {
+ _seltrans->stamp();
+ ret = TRUE;
+ }
+ break;
+
+ case GDK_KEY_x:
+ case GDK_KEY_X:
+ if (MOD__ALT_ONLY(event)) {
+ _desktop->setToolboxFocusTo("select-x");
+ ret = TRUE;
+ }
+ break;
+
+ case GDK_KEY_bracketleft:
+ if (MOD__ALT(event)) {
+ gint mul = 1 + gobble_key_events(get_latin_keyval(&event->key), 0); // with any mask
+ selection->rotateScreen(-mul * y_dir);
+ } else if (MOD__CTRL(event)) {
+ selection->rotate(-90 * y_dir);
+ } else if (snaps) {
+ selection->rotate(-180.0/snaps * y_dir);
+ }
+
+ ret = TRUE;
+ break;
+
+ case GDK_KEY_bracketright:
+ if (MOD__ALT(event)) {
+ gint mul = 1 + gobble_key_events(get_latin_keyval(&event->key), 0); // with any mask
+ selection->rotateScreen(mul * y_dir);
+ } else if (MOD__CTRL(event)) {
+ selection->rotate(90 * y_dir);
+ } else if (snaps) {
+ selection->rotate(180.0/snaps * y_dir);
+ }
+
+ ret = TRUE;
+ break;
+
+ case GDK_KEY_Return:
+ if (MOD__CTRL_ONLY(event)) {
+ if (selection->singleItem()) {
+ SPItem *clicked_item = selection->singleItem();
+ SPGroup *clickedGroup = dynamic_cast<SPGroup *>(clicked_item);
+ if ( (clickedGroup && (clickedGroup->layerMode() != SPGroup::LAYER)) || dynamic_cast<SPBox3D *>(clicked_item)) { // enter group or a 3D box
+ _desktop->layerManager().setCurrentLayer(clicked_item);
+ _desktop->getSelection()->clear();
+ } else {
+ _desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Selected object is not a group. Cannot enter."));
+ }
+ }
+
+ ret = TRUE;
+ }
+ break;
+
+ case GDK_KEY_BackSpace:
+ if (MOD__CTRL_ONLY(event)) {
+ sp_select_context_up_one_layer(_desktop);
+ ret = TRUE;
+ }
+ break;
+
+ case GDK_KEY_s:
+ case GDK_KEY_S:
+ if (MOD__SHIFT_ONLY(event)) {
+ if (!selection->isEmpty()) {
+ _seltrans->increaseState();
+ }
+
+ ret = TRUE;
+ }
+ break;
+
+ case GDK_KEY_g:
+ case GDK_KEY_G:
+ if (MOD__SHIFT_ONLY(event)) {
+ _desktop->selection->toGuides();
+ ret = true;
+ }
+ break;
+
+ default:
+ break;
+ }
+ break;
+ }
+ case GDK_KEY_RELEASE: {
+ guint keyval = get_latin_keyval(&event->key);
+ if (key_is_a_modifier (keyval)) {
+ this->defaultMessageContext()->clear();
+ }
+
+ bool alt = ( MOD__ALT(event)
+ || (keyval == GDK_KEY_Alt_L)
+ || (keyval == GDK_KEY_Alt_R)
+ || (keyval == GDK_KEY_Meta_L)
+ || (keyval == GDK_KEY_Meta_R));
+
+ if (alt) {
+ _alt_on = false;
+ }
+
+ if (Inkscape::Rubberband::get(_desktop)->is_started()) {
+ // if Alt then change cursor to moving cursor:
+ if (alt) {
+ Inkscape::Rubberband::get(_desktop)->defaultMode();
+ }
+ } else {
+ if (alt) {
+ // quit cycle-selection and reset opacities
+ if (is_cycling) {
+ this->sp_select_context_reset_opacities();
+ is_cycling = false;
+ }
+ }
+ }
+
+ // set cursor to default.
+ if (alt && !(this->grabbed || _seltrans->isGrabbed()) && !selection->isEmpty() && !_desktop->isWaitingCursor()) {
+ this->set_cursor(_default_cursor);
+ _force_dragging = false;
+ }
+ break;
+ }
+ default:
+ break;
+ }
+
+ if (!ret) {
+ ret = ToolBase::root_handler(event);
+ }
+
+ return ret;
+}
+
+}
+}
+}
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :