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Merge pull request #21934 from groud/add_scale_mode

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Add a scale mode to the 2D editor
This commit is contained in:
Rémi Verschelde 2018-09-12 14:24:33 +02:00 committed by GitHub
commit f98d946cd9
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 349 additions and 196 deletions
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310
editor/plugins/canvas_item_editor_plugin.cpp
View file

@ -55,6 +55,7 @@
#define MAX_ZOOM 100
#define RULER_WIDTH 15 * EDSCALE
#define SCALE_HANDLE_DISTANCE 25
class SnapDialog : public ConfirmationDialog {
@ -335,10 +336,11 @@ void CanvasItemEditor::_unhandled_key_input(const Ref<InputEvent> &p_ev) {
if (!is_visible_in_tree() || get_viewport()->gui_has_modal_stack())
return;
if (k->get_control())
return;
if (k->get_scancode() == KEY_CONTROL || k->get_scancode() == KEY_ALT || k->get_scancode() == KEY_SHIFT) {
viewport->update();
}
if (k->is_pressed() && !k->is_echo()) {
if (k->is_pressed() && !k->get_control() && !k->is_echo()) {
if ((snap_grid || show_grid) && multiply_grid_step_shortcut.is_valid() && multiply_grid_step_shortcut->is_shortcut(p_ev)) {
// Multiply the grid size
grid_step_multiplier = MIN(grid_step_multiplier + 1, 12);
@ -1267,7 +1269,7 @@ bool CanvasItemEditor::_gui_input_rotate(const Ref<InputEvent> &p_event) {
if (drag_type == DRAG_NONE) {
if (b.is_valid() && b->get_button_index() == BUTTON_LEFT && b->is_pressed()) {
drag_selection = _get_edited_canvas_items();
if (drag_selection.size() > 0 && ((b->get_control() && tool == TOOL_SELECT) || tool == TOOL_ROTATE)) {
if (drag_selection.size() > 0 && ((b->get_control() && !b->get_alt() && tool == TOOL_SELECT) || tool == TOOL_ROTATE)) {
drag_type = DRAG_ROTATE;
drag_from = transform.affine_inverse().xform(b->get_position());
CanvasItem *canvas_item = drag_selection[0];
@ -1615,6 +1617,89 @@ bool CanvasItemEditor::_gui_input_resize(const Ref<InputEvent> &p_event) {
return false;
}
bool CanvasItemEditor::_gui_input_scale(const Ref<InputEvent> &p_event) {
Ref<InputEventMouseButton> b = p_event;
Ref<InputEventMouseMotion> m = p_event;
// Drag resize handles
if (drag_type == DRAG_NONE) {
if (b.is_valid() && b->get_button_index() == BUTTON_LEFT && b->is_pressed() && ((b->get_alt() && b->get_control()) || tool == TOOL_SCALE)) {
List<CanvasItem *> selection = _get_edited_canvas_items();
if (selection.size() == 1) {
CanvasItem *canvas_item = selection[0];
Transform2D xform = transform * canvas_item->get_global_transform_with_canvas();
Transform2D unscaled_transform = (xform * canvas_item->get_transform().affine_inverse() * Transform2D(canvas_item->_edit_get_rotation(), canvas_item->_edit_get_position())).orthonormalized();
Transform2D simple_xform = viewport->get_transform() * unscaled_transform;
Size2 scale_factor = Size2(SCALE_HANDLE_DISTANCE, SCALE_HANDLE_DISTANCE);
Rect2 x_handle_rect = Rect2(scale_factor.x * EDSCALE, -5 * EDSCALE, 10 * EDSCALE, 10 * EDSCALE);
if (x_handle_rect.has_point(simple_xform.affine_inverse().xform(b->get_position()))) {
drag_type = DRAG_SCALE_X;
}
Rect2 y_handle_rect = Rect2(-5 * EDSCALE, -(scale_factor.y + 10) * EDSCALE, 10 * EDSCALE, 10 * EDSCALE);
if (y_handle_rect.has_point(simple_xform.affine_inverse().xform(b->get_position()))) {
drag_type = DRAG_SCALE_Y;
}
if (drag_type == DRAG_SCALE_X || drag_type == DRAG_SCALE_Y) {
drag_from = transform.affine_inverse().xform(b->get_position());
drag_selection = List<CanvasItem *>();
drag_selection.push_back(canvas_item);
_save_canvas_item_state(drag_selection);
return true;
}
}
}
}
if (drag_type == DRAG_SCALE_X || drag_type == DRAG_SCALE_Y) {
// Resize the node
if (m.is_valid()) {
_restore_canvas_item_state(drag_selection, true);
CanvasItem *canvas_item = drag_selection[0];
drag_to = transform.affine_inverse().xform(m->get_position());
bool uniform = m->get_shift();
Point2 offset = drag_to - drag_from;
Size2 scale = canvas_item->call("get_scale");
float ratio = scale.y / scale.x;
if (drag_type == DRAG_SCALE_X) {
scale.x += offset.x / SCALE_HANDLE_DISTANCE;
if (uniform) {
scale.y = scale.x * ratio;
}
canvas_item->call("set_scale", scale);
} else if (drag_type == DRAG_SCALE_Y) {
scale.y -= offset.y / SCALE_HANDLE_DISTANCE;
if (uniform) {
scale.x = scale.y / ratio;
}
canvas_item->call("set_scale", scale);
}
}
// Confirm resize
if (b.is_valid() && b->get_button_index() == BUTTON_LEFT && !b->is_pressed()) {
_commit_canvas_item_state(drag_selection, TTR("Scale CanvasItem"));
drag_type = DRAG_NONE;
viewport->update();
return true;
}
// Cancel a drag
if (b.is_valid() && b->get_button_index() == BUTTON_RIGHT && b->is_pressed()) {
_restore_canvas_item_state(drag_selection);
drag_type = DRAG_NONE;
viewport->update();
return true;
}
}
return false;
}
bool CanvasItemEditor::_gui_input_move(const Ref<InputEvent> &p_event) {
Ref<InputEventMouseButton> b = p_event;
Ref<InputEventMouseMotion> m = p_event;
@ -1624,7 +1709,7 @@ bool CanvasItemEditor::_gui_input_move(const Ref<InputEvent> &p_event) {
//Start moving the nodes
if (b.is_valid() && b->get_button_index() == BUTTON_LEFT && b->is_pressed()) {
List<CanvasItem *> selection = _get_edited_canvas_items();
if ((b->get_alt() || tool == TOOL_MOVE) && selection.size() > 0) {
if (((b->get_alt() && !b->get_control()) || tool == TOOL_MOVE) && selection.size() > 0) {
drag_type = DRAG_MOVE;
drag_from = transform.affine_inverse().xform(b->get_position());
drag_selection = selection;
@ -2006,6 +2091,8 @@ void CanvasItemEditor::_gui_input_viewport(const Ref<InputEvent> &p_event) {
//printf("Open scene on double click\n");
} else if ((accepted = _gui_input_anchors(p_event))) {
//printf("Anchors\n");
} else if ((accepted = _gui_input_scale(p_event))) {
//printf("Set scale\n");
} else if ((accepted = _gui_input_pivot(p_event))) {
//printf("Set pivot\n");
} else if ((accepted = _gui_input_resize(p_event))) {
@ -2288,78 +2375,9 @@ void CanvasItemEditor::_draw_grid() {
}
}
void CanvasItemEditor::_draw_selection() {
Ref<Texture> pivot_icon = get_icon("EditorPivot", "EditorIcons");
Ref<Texture> position_icon = get_icon("EditorPosition", "EditorIcons");
Ref<Texture> previous_position_icon = get_icon("EditorPositionPrevious", "EditorIcons");
void CanvasItemEditor::_draw_control_helpers(Control *control) {
Transform2D xform = transform * control->get_global_transform_with_canvas();
RID ci = viewport->get_canvas_item();
List<CanvasItem *> selection = _get_edited_canvas_items(false, false);
bool single = selection.size() == 1;
for (List<CanvasItem *>::Element *E = selection.front(); E; E = E->next()) {
CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E->get());
CanvasItemEditorSelectedItem *se = editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item);
// Draw the previous position if we are dragging the node
if (show_helpers &&
(drag_type == DRAG_MOVE || drag_type == DRAG_ROTATE ||
drag_type == DRAG_LEFT || drag_type == DRAG_RIGHT || drag_type == DRAG_TOP || drag_type == DRAG_BOTTOM ||
drag_type == DRAG_TOP_LEFT || drag_type == DRAG_TOP_RIGHT || drag_type == DRAG_BOTTOM_LEFT || drag_type == DRAG_BOTTOM_RIGHT)) {
const Transform2D pre_drag_xform = transform * se->pre_drag_xform;
const Color pre_drag_color = Color(0.4, 0.6, 1, 0.7);
if (canvas_item->_edit_use_rect()) {
Vector2 pre_drag_endpoints[4] = {
pre_drag_xform.xform(se->pre_drag_rect.position),
pre_drag_xform.xform(se->pre_drag_rect.position + Vector2(se->pre_drag_rect.size.x, 0)),
pre_drag_xform.xform(se->pre_drag_rect.position + se->pre_drag_rect.size),
pre_drag_xform.xform(se->pre_drag_rect.position + Vector2(0, se->pre_drag_rect.size.y))
};
for (int i = 0; i < 4; i++) {
viewport->draw_line(pre_drag_endpoints[i], pre_drag_endpoints[(i + 1) % 4], pre_drag_color, 2);
}
} else {
viewport->draw_texture(previous_position_icon, (pre_drag_xform.xform(Point2()) - (previous_position_icon->get_size() / 2)).floor());
}
}
Transform2D xform = transform * canvas_item->get_global_transform_with_canvas();
// Draw the selected items position / surrounding boxes
if (canvas_item->_edit_use_rect()) {
Rect2 rect = canvas_item->_edit_get_rect();
Vector2 endpoints[4] = {
xform.xform(rect.position),
xform.xform(rect.position + Vector2(rect.size.x, 0)),
xform.xform(rect.position + rect.size),
xform.xform(rect.position + Vector2(0, rect.size.y))
};
Color c = Color(1, 0.6, 0.4, 0.7);
for (int i = 0; i < 4; i++) {
viewport->draw_line(endpoints[i], endpoints[(i + 1) % 4], c, 2);
}
} else {
Transform2D transform = Transform2D(xform.get_rotation(), xform.get_origin());
viewport->draw_set_transform_matrix(transform);
viewport->draw_texture(position_icon, -(position_icon->get_size() / 2));
viewport->draw_set_transform_matrix(Transform2D());
}
if (single && (tool == TOOL_SELECT || tool == TOOL_MOVE || tool == TOOL_ROTATE || tool == TOOL_EDIT_PIVOT)) { //kind of sucks
// Draw the pivot
if (canvas_item->_edit_get_pivot() != Vector2() || drag_type == DRAG_PIVOT || tool == TOOL_EDIT_PIVOT) { // This is not really clean :/
viewport->draw_texture(pivot_icon, (xform.xform(canvas_item->_edit_get_pivot()) - (pivot_icon->get_size() / 2)).floor());
}
Control *control = Object::cast_to<Control>(canvas_item);
if (control) {
if (tool == TOOL_SELECT && show_helpers && !Object::cast_to<Container>(control->get_parent())) {
// Draw the helpers
Color color_base = Color(0.8, 0.8, 0.8, 0.5);
@ -2537,8 +2555,86 @@ void CanvasItemEditor::_draw_selection() {
break;
}
}
}
void CanvasItemEditor::_draw_selection() {
Ref<Texture> pivot_icon = get_icon("EditorPivot", "EditorIcons");
Ref<Texture> position_icon = get_icon("EditorPosition", "EditorIcons");
Ref<Texture> previous_position_icon = get_icon("EditorPositionPrevious", "EditorIcons");
RID ci = viewport->get_canvas_item();
List<CanvasItem *> selection = _get_edited_canvas_items(false, false);
bool single = selection.size() == 1;
for (List<CanvasItem *>::Element *E = selection.front(); E; E = E->next()) {
CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E->get());
CanvasItemEditorSelectedItem *se = editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item);
// Draw the previous position if we are dragging the node
if (show_helpers &&
(drag_type == DRAG_MOVE || drag_type == DRAG_ROTATE ||
drag_type == DRAG_LEFT || drag_type == DRAG_RIGHT || drag_type == DRAG_TOP || drag_type == DRAG_BOTTOM ||
drag_type == DRAG_TOP_LEFT || drag_type == DRAG_TOP_RIGHT || drag_type == DRAG_BOTTOM_LEFT || drag_type == DRAG_BOTTOM_RIGHT)) {
const Transform2D pre_drag_xform = transform * se->pre_drag_xform;
const Color pre_drag_color = Color(0.4, 0.6, 1, 0.7);
if (canvas_item->_edit_use_rect()) {
Vector2 pre_drag_endpoints[4] = {
pre_drag_xform.xform(se->pre_drag_rect.position),
pre_drag_xform.xform(se->pre_drag_rect.position + Vector2(se->pre_drag_rect.size.x, 0)),
pre_drag_xform.xform(se->pre_drag_rect.position + se->pre_drag_rect.size),
pre_drag_xform.xform(se->pre_drag_rect.position + Vector2(0, se->pre_drag_rect.size.y))
};
for (int i = 0; i < 4; i++) {
viewport->draw_line(pre_drag_endpoints[i], pre_drag_endpoints[(i + 1) % 4], pre_drag_color, 2);
}
} else {
viewport->draw_texture(previous_position_icon, (pre_drag_xform.xform(Point2()) - (previous_position_icon->get_size() / 2)).floor());
}
}
Transform2D xform = transform * canvas_item->get_global_transform_with_canvas();
// Draw the selected items position / surrounding boxes
if (canvas_item->_edit_use_rect()) {
Rect2 rect = canvas_item->_edit_get_rect();
Vector2 endpoints[4] = {
xform.xform(rect.position),
xform.xform(rect.position + Vector2(rect.size.x, 0)),
xform.xform(rect.position + rect.size),
xform.xform(rect.position + Vector2(0, rect.size.y))
};
Color c = Color(1, 0.6, 0.4, 0.7);
for (int i = 0; i < 4; i++) {
viewport->draw_line(endpoints[i], endpoints[(i + 1) % 4], c, 2);
}
} else {
Transform2D unscaled_transform = (xform * canvas_item->get_transform().affine_inverse() * Transform2D(canvas_item->_edit_get_rotation(), canvas_item->_edit_get_position())).orthonormalized();
Transform2D simple_xform = viewport->get_transform() * unscaled_transform;
viewport->draw_set_transform_matrix(simple_xform);
viewport->draw_texture(position_icon, -(position_icon->get_size() / 2));
viewport->draw_set_transform_matrix(viewport->get_transform());
}
if (single && (tool == TOOL_SELECT || tool == TOOL_MOVE || tool == TOOL_SCALE || tool == TOOL_ROTATE || tool == TOOL_EDIT_PIVOT)) { //kind of sucks
// Draw the pivot
if (canvas_item->_edit_get_pivot() != Vector2() || drag_type == DRAG_PIVOT || tool == TOOL_EDIT_PIVOT) { // This is not really clean :/
viewport->draw_texture(pivot_icon, (xform.xform(canvas_item->_edit_get_pivot()) - (pivot_icon->get_size() / 2)).floor());
}
// Draw control-related helpers
Control *control = Object::cast_to<Control>(canvas_item);
if (control) {
_draw_control_helpers(control);
}
// Draw the resize handles
if (tool == TOOL_SELECT && canvas_item->_edit_use_rect()) {
Rect2 rect = canvas_item->_edit_get_rect();
Vector2 endpoints[4] = {
@ -2548,7 +2644,6 @@ void CanvasItemEditor::_draw_selection() {
xform.xform(rect.position + Vector2(0, rect.size.y))
};
for (int i = 0; i < 4; i++) {
// Draw the resize handles
int prev = (i + 3) % 4;
int next = (i + 1) % 4;
@ -2563,6 +2658,46 @@ void CanvasItemEditor::_draw_selection() {
select_handle->draw(ci, (ofs - (select_handle->get_size() / 2)).floor());
}
}
// Draw the rescale handles
bool is_ctrl = Input::get_singleton()->is_key_pressed(KEY_CONTROL);
bool is_alt = Input::get_singleton()->is_key_pressed(KEY_ALT);
if ((is_alt && is_ctrl) || tool == TOOL_SCALE || drag_type == DRAG_SCALE_X || drag_type == DRAG_SCALE_Y) {
Transform2D unscaled_transform = (xform * canvas_item->get_transform().affine_inverse() * Transform2D(canvas_item->_edit_get_rotation(), canvas_item->_edit_get_position())).orthonormalized();
Transform2D simple_xform = viewport->get_transform() * unscaled_transform;
Size2 scale_factor = Size2(SCALE_HANDLE_DISTANCE, SCALE_HANDLE_DISTANCE);
bool uniform = Input::get_singleton()->is_key_pressed(KEY_SHIFT);
Point2 offset = (simple_xform.affine_inverse().xform(drag_to) - simple_xform.affine_inverse().xform(drag_from)) * zoom;
if (drag_type == DRAG_SCALE_X) {
scale_factor.x += offset.x;
if (uniform) {
scale_factor.y += offset.x;
}
} else if (drag_type == DRAG_SCALE_Y) {
scale_factor.y -= offset.y;
if (uniform) {
scale_factor.x -= offset.y;
}
}
//scale_factor *= zoom;
viewport->draw_set_transform_matrix(simple_xform);
Rect2 x_handle_rect = Rect2(scale_factor.x * EDSCALE, -5 * EDSCALE, 10 * EDSCALE, 10 * EDSCALE);
Color x_axis_color(1.0, 0.4, 0.4, 0.6);
viewport->draw_rect(x_handle_rect, x_axis_color);
viewport->draw_line(Point2(), Point2(scale_factor.x * EDSCALE, 0), x_axis_color);
Rect2 y_handle_rect = Rect2(-5 * EDSCALE, -(scale_factor.y + 10) * EDSCALE, 10 * EDSCALE, 10 * EDSCALE);
Color y_axis_color(0.4, 1.0, 0.4, 0.6);
viewport->draw_rect(y_handle_rect, y_axis_color);
viewport->draw_line(Point2(), Point2(0, -scale_factor.y * EDSCALE), y_axis_color);
viewport->draw_set_transform_matrix(viewport->get_transform());
}
}
}
@ -2737,15 +2872,16 @@ void CanvasItemEditor::_draw_invisible_nodes_positions(Node *p_node, const Trans
_draw_invisible_nodes_positions(p_node->get_child(i), parent_xform, canvas_xform);
}
if (canvas_item && !canvas_item->_edit_use_rect() && (!editor_selection->is_selected(canvas_item) || canvas_item->get_meta("_edit_lock_"))) {
if (canvas_item && !canvas_item->_edit_use_rect() && (!editor_selection->is_selected(canvas_item) || (canvas_item->has_meta("_edit_lock_") && canvas_item->get_meta("_edit_lock_")))) {
Transform2D xform = transform * canvas_xform * parent_xform;
// Draw the node's position
Ref<Texture> position_icon = get_icon("EditorPositionUnselected", "EditorIcons");
Transform2D transform = Transform2D(xform.get_rotation(), xform.get_origin());
viewport->draw_set_transform_matrix(transform);
Transform2D unscaled_transform = (xform * canvas_item->get_transform().affine_inverse() * Transform2D(canvas_item->_edit_get_rotation(), canvas_item->_edit_get_position())).orthonormalized();
Transform2D simple_xform = viewport->get_transform() * unscaled_transform;
viewport->draw_set_transform_matrix(simple_xform);
viewport->draw_texture(position_icon, -position_icon->get_size() / 2, Color(1.0, 1.0, 1.0, 0.5));
viewport->draw_set_transform_matrix(Transform2D());
viewport->draw_set_transform_matrix(viewport->get_transform());
}
}
@ -3073,6 +3209,7 @@ void CanvasItemEditor::_notification(int p_what) {
select_button->set_icon(get_icon("ToolSelect", "EditorIcons"));
list_select_button->set_icon(get_icon("ListSelect", "EditorIcons"));
move_button->set_icon(get_icon("ToolMove", "EditorIcons"));
scale_button->set_icon(get_icon("ToolScale", "EditorIcons"));
rotate_button->set_icon(get_icon("ToolRotate", "EditorIcons"));
snap_button->set_icon(get_icon("Snap", "EditorIcons"));
snap_config_menu->set_icon(get_icon("GuiMiniTabMenu", "EditorIcons"));
@ -3381,7 +3518,7 @@ void CanvasItemEditor::_button_toggle_snap(bool p_status) {
void CanvasItemEditor::_button_tool_select(int p_index) {
ToolButton *tb[TOOL_MAX] = { select_button, list_select_button, move_button, rotate_button, pivot_button, pan_button };
ToolButton *tb[TOOL_MAX] = { select_button, list_select_button, move_button, scale_button, rotate_button, pivot_button, pan_button };
for (int i = 0; i < TOOL_MAX; i++) {
tb[i]->set_pressed(i == p_index);
}
@ -4273,6 +4410,8 @@ CanvasItemEditor::CanvasItemEditor(EditorNode *p_editor) {
select_button->set_shortcut(ED_SHORTCUT("canvas_item_editor/select_mode", TTR("Select Mode"), KEY_Q));
select_button->set_tooltip(keycode_get_string(KEY_MASK_CMD) + TTR("Drag: Rotate") + "\n" + TTR("Alt+Drag: Move") + "\n" + TTR("Press 'v' to Change Pivot, 'Shift+v' to Drag Pivot (while moving).") + "\n" + TTR("Alt+RMB: Depth list selection"));
hb->add_child(memnew(VSeparator));
move_button = memnew(ToolButton);
hb->add_child(move_button);
move_button->set_toggle_mode(true);
@ -4280,6 +4419,13 @@ CanvasItemEditor::CanvasItemEditor(EditorNode *p_editor) {
move_button->set_shortcut(ED_SHORTCUT("canvas_item_editor/move_mode", TTR("Move Mode"), KEY_W));
move_button->set_tooltip(TTR("Move Mode"));
scale_button = memnew(ToolButton);
hb->add_child(scale_button);
scale_button->set_toggle_mode(true);
scale_button->connect("pressed", this, "_button_tool_select", make_binds(TOOL_SCALE));
scale_button->set_shortcut(ED_SHORTCUT("canvas_item_editor/scale_mode", TTR("Scale Mode"), KEY_S));
scale_button->set_tooltip(TTR("Scale Mode"));
rotate_button = memnew(ToolButton);
hb->add_child(rotate_button);
rotate_button->set_toggle_mode(true);

15
editor/plugins/canvas_item_editor_plugin.h
View file

@ -77,6 +77,7 @@ class CanvasItemEditor : public VBoxContainer {
TOOL_SELECT,
TOOL_LIST_SELECT,
TOOL_MOVE,
TOOL_SCALE,
TOOL_ROTATE,
TOOL_EDIT_PIVOT,
TOOL_PAN,
@ -189,6 +190,8 @@ class CanvasItemEditor : public VBoxContainer {
DRAG_ANCHOR_BOTTOM_LEFT,
DRAG_ANCHOR_ALL,
DRAG_MOVE,
DRAG_SCALE_X,
DRAG_SCALE_Y,
DRAG_ROTATE,
DRAG_PIVOT,
DRAG_V_GUIDE,
@ -298,17 +301,19 @@ class CanvasItemEditor : public VBoxContainer {
List<PoseClipboard> pose_clipboard;
ToolButton *select_button;
ToolButton *list_select_button;
ToolButton *move_button;
ToolButton *scale_button;
ToolButton *rotate_button;
ToolButton *list_select_button;
ToolButton *pivot_button;
ToolButton *pan_button;
ToolButton *snap_button;
MenuButton *snap_config_menu;
PopupMenu *smartsnap_config_popup;
ToolButton *pivot_button;
ToolButton *pan_button;
ToolButton *lock_button;
ToolButton *unlock_button;
@ -408,6 +413,7 @@ class CanvasItemEditor : public VBoxContainer {
void _draw_guides();
void _draw_focus();
void _draw_grid();
void _draw_control_helpers(Control *control);
void _draw_selection();
void _draw_axis();
void _draw_bones();
@ -420,6 +426,7 @@ class CanvasItemEditor : public VBoxContainer {
bool _gui_input_anchors(const Ref<InputEvent> &p_event);
bool _gui_input_move(const Ref<InputEvent> &p_event);
bool _gui_input_open_scene_on_double_click(const Ref<InputEvent> &p_event);
bool _gui_input_scale(const Ref<InputEvent> &p_event);
bool _gui_input_pivot(const Ref<InputEvent> &p_event);
bool _gui_input_resize(const Ref<InputEvent> &p_event);
bool _gui_input_rotate(const Ref<InputEvent> &p_event);