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Replaced the hard-to-understand _select by _select_click_on_empty_area and _select_click_on_item.

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Added some comments
Removed commented code or useless ones
This commit is contained in:
Gilles Roudiere 2017-07-18 20:17:55 +02:00
parent 0d4b0ecb57
commit 2d9873e033
2 changed files with 70 additions and 116 deletions
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183
editor/plugins/canvas_item_editor_plugin.cpp
View file

@ -257,7 +257,6 @@ void CanvasItemEditor::_tool_select(int p_index) {
ToolButton *tb[TOOL_MAX] = { select_button, list_select_button, move_button, rotate_button, pivot_button, pan_button };
for (int i = 0; i < TOOL_MAX; i++) {
tb[i]->set_pressed(i == p_index);
}
@ -530,72 +529,50 @@ void CanvasItemEditor::_find_canvas_items_at_rect(const Rect2 &p_rect, Node *p_n
}
}
bool CanvasItemEditor::_select(CanvasItem *item, Point2 p_click_pos, bool p_append, bool p_drag) {
if (p_append) {
//additive selection
if (!item) {
if (p_drag) {
drag_from = transform.affine_inverse().xform(p_click_pos);
box_selecting = true;
box_selecting_to = drag_from;
}
return false; //nothing to add
}
if (editor_selection->is_selected(item)) {
//already in here, erase it
editor_selection->remove_node(item);
//_remove_canvas_item(c);
viewport->update();
return false;
}
_append_canvas_item(item);
void CanvasItemEditor::_select_click_on_empty_area(Point2 p_click_pos, bool p_append, bool p_box_selection) {
if (!p_append) {
editor_selection->clear();
viewport->update();
};
return true;
if (p_box_selection) {
// Start a box selection
drag_from = transform.affine_inverse().xform(p_click_pos);
box_selecting = true;
box_selecting_to = drag_from;
}
}
} else {
//regular selection
if (!item) {
//clear because nothing clicked
editor_selection->clear();
if (p_drag) {
drag_from = transform.affine_inverse().xform(p_click_pos);
box_selecting = true;
box_selecting_to = drag_from;
}
viewport->update();
return false;
bool CanvasItemEditor::_select_click_on_item(CanvasItem *item, Point2 p_click_pos, bool p_append, bool p_drag) {
bool still_selected = true;
if (p_append) {
if (editor_selection->is_selected(item)) {
// Already in the selection, remove it from the selected nodes
editor_selection->remove_node(item);
still_selected = false;
} else {
// Add the item to the selection
_append_canvas_item(item);
}
} else {
if (!editor_selection->is_selected(item)) {
//select a new one and clear previous selection
// Select a new one and clear previous selection
editor_selection->clear();
editor_selection->add_node(item);
//reselect
// Reselect
if (get_tree()->is_editor_hint()) {
editor->call("edit_node", item);
}
}
if (p_drag) {
_prepare_drag(p_click_pos);
}
viewport->update();
return true;
}
if (still_selected && p_drag) {
// Drag the node(s) if requested
_prepare_drag(p_click_pos);
}
viewport->update();
return still_selected;
}
void CanvasItemEditor::_key_move(const Vector2 &p_dir, bool p_snap, KeyMoveMODE p_move_mode) {
@ -921,7 +898,7 @@ void CanvasItemEditor::_selection_result_pressed(int p_result) {
CanvasItem *item = selection_results[p_result].item;
if (item)
_select(item, Point2(), additive_selection, false);
_select_click_on_item(item, Point2(), additive_selection, false);
}
void CanvasItemEditor::_selection_menu_hide() {
@ -961,7 +938,8 @@ void CanvasItemEditor::_list_select(const Ref<InputEventMouseButton> &b) {
selection_results.clear();
additive_selection = b->get_shift();
if (!_select(item, click, additive_selection, false))
if (!_select_click_on_item(item, click, additive_selection, false))
return;
} else if (!selection_results.empty()) {
@ -1003,7 +981,6 @@ void CanvasItemEditor::_list_select(const Ref<InputEventMouseButton> &b) {
void CanvasItemEditor::_viewport_gui_input(const Ref<InputEvent> &p_event) {
{
EditorNode *en = editor;
EditorPluginList *over_plugin_list = en->get_editor_plugins_over();
@ -1017,11 +994,11 @@ void CanvasItemEditor::_viewport_gui_input(const Ref<InputEvent> &p_event) {
}
Ref<InputEventMouseButton> b = p_event;
if (b.is_valid()) {
// Button event
if (b->get_button_index() == BUTTON_WHEEL_DOWN) {
// Scroll or pan down
if (bool(EditorSettings::get_singleton()->get("editors/2d/scroll_to_pan"))) {
v_scroll->set_value(v_scroll->get_value() + int(EditorSettings::get_singleton()->get("editors/2d/pan_speed")) / zoom * b->get_factor());
@ -1047,7 +1024,7 @@ void CanvasItemEditor::_viewport_gui_input(const Ref<InputEvent> &p_event) {
}
if (b->get_button_index() == BUTTON_WHEEL_UP) {
// Scroll or pan up
if (bool(EditorSettings::get_singleton()->get("editors/2d/scroll_to_pan"))) {
v_scroll->set_value(v_scroll->get_value() - int(EditorSettings::get_singleton()->get("editors/2d/pan_speed")) / zoom * b->get_factor());
@ -1071,7 +1048,7 @@ void CanvasItemEditor::_viewport_gui_input(const Ref<InputEvent> &p_event) {
}
if (b->get_button_index() == BUTTON_WHEEL_LEFT) {
// Pan left
if (bool(EditorSettings::get_singleton()->get("editors/2d/scroll_to_pan"))) {
h_scroll->set_value(h_scroll->get_value() - int(EditorSettings::get_singleton()->get("editors/2d/pan_speed")) / zoom * b->get_factor());
@ -1079,7 +1056,7 @@ void CanvasItemEditor::_viewport_gui_input(const Ref<InputEvent> &p_event) {
}
if (b->get_button_index() == BUTTON_WHEEL_RIGHT) {
// Pan right
if (bool(EditorSettings::get_singleton()->get("editors/2d/scroll_to_pan"))) {
h_scroll->set_value(h_scroll->get_value() + int(EditorSettings::get_singleton()->get("editors/2d/pan_speed")) / zoom * b->get_factor());
@ -1089,29 +1066,24 @@ void CanvasItemEditor::_viewport_gui_input(const Ref<InputEvent> &p_event) {
if (b->get_button_index() == BUTTON_RIGHT) {
if (b->is_pressed() && (tool == TOOL_SELECT && b->get_alt())) {
// Open the selection list
_list_select(b);
return;
}
if (get_item_count() > 0 && drag != DRAG_NONE) {
//cancel drag
// Cancel a drag
if (bone_ik_list.size()) {
for (List<BoneIK>::Element *E = bone_ik_list.back(); E; E = E->prev()) {
E->get().node->edit_set_state(E->get().orig_state);
}
bone_ik_list.clear();
} else {
List<Node *> &selection = editor_selection->get_selected_node_list();
for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
CanvasItem *canvas_item = E->get()->cast_to<CanvasItem>();
if (!canvas_item || !canvas_item->is_visible_in_tree())
continue;
@ -1135,33 +1107,23 @@ void CanvasItemEditor::_viewport_gui_input(const Ref<InputEvent> &p_event) {
can_move_pivot = false;
} else if (box_selecting) {
// Cancel box selection
box_selecting = false;
viewport->update();
} else if (b->is_pressed()) {
#if 0
ref_item = NULL;
Node* scene = get_scene()->get_root_node()->cast_to<EditorNode>()->get_edited_scene();
if ( scene ) ref_item =_select_canvas_item_at_pos( Point2( b.x, b.y ), scene, transform );
#endif
//popup->set_position(Point2(b.x,b.y));
//popup->popup();
}
return;
}
/*
if (!canvas_items.size())
return;
*/
if (b->get_button_index() == BUTTON_LEFT && tool == TOOL_LIST_SELECT) {
if (b->is_pressed())
// Open the selection list
_list_select(b);
return;
}
if (b->get_button_index() == BUTTON_LEFT && tool == TOOL_EDIT_PIVOT) {
if (b->is_pressed()) {
// Set the pivot point
Point2 mouse_pos = b->get_position();
mouse_pos = transform.affine_inverse().xform(mouse_pos);
mouse_pos = snap_point(mouse_pos);
@ -1171,16 +1133,18 @@ void CanvasItemEditor::_viewport_gui_input(const Ref<InputEvent> &p_event) {
}
if (tool == TOOL_PAN || b->get_button_index() != BUTTON_LEFT || Input::get_singleton()->is_key_pressed(KEY_SPACE))
// Pan the view
return;
// -- From now we consider that the button is BUTTON_LEFT --
if (!b->is_pressed()) {
if (drag != DRAG_NONE) {
// Stop dragging
if (undo_redo) {
if (bone_ik_list.size()) {
undo_redo->create_action(TTR("Edit IK Chain"));
for (List<BoneIK>::Element *E = bone_ik_list.back(); E; E = E->prev()) {
@ -1196,7 +1160,6 @@ void CanvasItemEditor::_viewport_gui_input(const Ref<InputEvent> &p_event) {
undo_redo->commit_action();
} else {
undo_redo->create_action(TTR("Edit CanvasItem"));
List<Node *> &selection = editor_selection->get_selected_node_list();
@ -1240,11 +1203,7 @@ void CanvasItemEditor::_viewport_gui_input(const Ref<InputEvent> &p_event) {
}
if (box_selecting) {
#if 0
if ( ! b->get_shift() ) _clear_canvas_items();
if ( box_selection_end() ) return;
#endif
// Stop box selection
Node *scene = editor->get_edited_scene();
if (scene) {
@ -1271,6 +1230,8 @@ void CanvasItemEditor::_viewport_gui_input(const Ref<InputEvent> &p_event) {
return;
}
// -- From now we consider that the button is BUTTON_LEFT and that it is pressed --
Map<ObjectID, BoneList>::Element *Cbone = NULL; //closest
{
@ -1345,7 +1306,7 @@ void CanvasItemEditor::_viewport_gui_input(const Ref<InputEvent> &p_event) {
}
}
// Single seleted item
// Single selected item
CanvasItem *canvas_item = get_single_item();
if (canvas_item) {
CanvasItemEditorSelectedItem *se = editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item);
@ -1376,7 +1337,7 @@ void CanvasItemEditor::_viewport_gui_input(const Ref<InputEvent> &p_event) {
// Drag
drag = _find_drag_type(click, drag_point_from);
if (drag != DRAG_NONE && (!Cbone || drag != DRAG_ALL)) {
if (drag != DRAG_NONE) {
drag_from = transform.affine_inverse().xform(click);
se->undo_state = canvas_item->edit_get_state();
if (canvas_item->cast_to<Node2D>())
@ -1385,40 +1346,32 @@ void CanvasItemEditor::_viewport_gui_input(const Ref<InputEvent> &p_event) {
se->undo_pivot = canvas_item->cast_to<Control>()->get_pivot_offset();
return;
}
} else {
drag = DRAG_NONE;
}
}
//multi canvas_item edit
// Multiple selected items
Point2 click = b->get_position();
if ((b->get_alt() || tool == TOOL_MOVE) && get_item_count()) {
// Drag the nodes
_prepare_drag(click);
viewport->update();
return;
}
Node *scene = editor->get_edited_scene();
if (!scene)
return;
/*
if (current_window) {
//no window.... ?
click-=current_window->get_scroll();
}*/
CanvasItem *c = NULL;
if (Cbone) {
Object *obj = ObjectDB::get_instance(Cbone->get().bone);
if (obj)
c = obj->cast_to<CanvasItem>();
if (c)
c = c->get_parent_item();
}
Node *scene = editor->get_edited_scene();
if (!scene)
return;
// Find the item to select
if (!c) {
Vector<_SelectResult> selection;
_find_canvas_items_at_pos(click, scene, transform, Transform2D(), selection, 1);
@ -1426,7 +1379,6 @@ void CanvasItemEditor::_viewport_gui_input(const Ref<InputEvent> &p_event) {
c = selection[0].item;
CanvasItem *cn = c;
while (cn) {
if (cn->has_meta("_edit_group_")) {
c = cn;
@ -1436,28 +1388,29 @@ void CanvasItemEditor::_viewport_gui_input(const Ref<InputEvent> &p_event) {
}
Node *n = c;
while ((n && n != scene && n->get_owner() != scene) || (n && !n->is_class("CanvasItem"))) {
n = n->get_parent();
};
c = n->cast_to<CanvasItem>();
#if 0
if ( b->is_pressed() ) box_selection_start( click );
#endif
// Select the item
additive_selection = b->get_shift();
if (!_select(c, click, additive_selection))
if (!c) {
_select_click_on_empty_area(click, additive_selection, true);
} else if (!_select_click_on_item(c, click, additive_selection, true)) {
return;
}
}
Ref<InputEventMouseMotion> m = p_event;
if (m.is_valid()) {
// Mouse motion event
if (!viewport->has_focus() && (!get_focus_owner() || !get_focus_owner()->is_text_field()))
viewport->call_deferred("grab_focus");
if (box_selecting) {
// Update box selection
box_selecting_to = transform.affine_inverse().xform(m->get_position());
viewport->update();
return;

3
editor/plugins/canvas_item_editor_plugin.h
View file

@ -306,7 +306,8 @@ class CanvasItemEditor : public VBoxContainer {
void _find_canvas_items_at_pos(const Point2 &p_pos, Node *p_node, const Transform2D &p_parent_xform, const Transform2D &p_canvas_xform, Vector<_SelectResult> &r_items, unsigned int limit = 0);
void _find_canvas_items_at_rect(const Rect2 &p_rect, Node *p_node, const Transform2D &p_parent_xform, const Transform2D &p_canvas_xform, List<CanvasItem *> *r_items);
bool _select(CanvasItem *item, Point2 p_click_pos, bool p_append, bool p_drag = true);
void _select_click_on_empty_area(Point2 p_click_pos, bool p_append, bool p_box_selection);
bool _select_click_on_item(CanvasItem *item, Point2 p_click_pos, bool p_append, bool p_drag);
ConfirmationDialog *snap_dialog;