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Avoid misuse of set_drag_preview() function where it shouldn't be. Closes #20100

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This commit is contained in:
Juan Linietsky 2018-08-24 10:29:27 -03:00
parent cd945e28de
commit 683c3f2fcf
3 changed files with 15 additions and 0 deletions
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1
scene/gui/control.cpp
View File

@ -769,6 +769,7 @@ void Control::force_drag(const Variant &p_data, Control *p_control) {
void Control::set_drag_preview(Control *p_control) {
ERR_FAIL_COND(!is_inside_tree());
ERR_FAIL_COND(get_viewport()->gui_is_dragging());
get_viewport()->_gui_set_drag_preview(this, p_control);
}

11
scene/main/viewport.cpp
View File

@ -185,6 +185,7 @@ public:
Viewport::GUI::GUI() {
dragging = false;
mouse_focus = NULL;
mouse_click_grabber = NULL;
mouse_focus_button = -1;
@ -1718,6 +1719,7 @@ void Viewport::_gui_input_event(Ref<InputEvent> p_event) {
}
gui.drag_data = Variant();
gui.dragging = false;
if (gui.drag_preview) {
memdelete(gui.drag_preview);
@ -1747,6 +1749,7 @@ void Viewport::_gui_input_event(Ref<InputEvent> p_event) {
}
gui.drag_data = Variant();
gui.dragging = false;
_propagate_viewport_notification(this, NOTIFICATION_DRAG_END);
//change mouse accordingly
}
@ -1809,10 +1812,13 @@ void Viewport::_gui_input_event(Ref<InputEvent> p_event) {
Control *control = Object::cast_to<Control>(ci);
if (control) {
gui.dragging = true;
gui.drag_data = control->get_drag_data(control->get_global_transform_with_canvas().affine_inverse().xform(mpos) - gui.drag_accum);
if (gui.drag_data.get_type() != Variant::NIL) {
gui.mouse_focus = NULL;
} else {
gui.dragging = false;
}
if (control->data.mouse_filter == Control::MOUSE_FILTER_STOP)
@ -2252,6 +2258,7 @@ void Viewport::_gui_force_drag(Control *p_base, const Variant &p_data, Control *
ERR_EXPLAIN("Drag data must be a value");
ERR_FAIL_COND(p_data.get_type() == Variant::NIL);
gui.dragging = true;
gui.drag_data = p_data;
gui.mouse_focus = NULL;
@ -2691,6 +2698,9 @@ bool Viewport::is_snap_controls_to_pixels_enabled() const {
return snap_controls_to_pixels;
}
bool Viewport::gui_is_dragging() const {
return gui.dragging;
}
void Viewport::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_use_arvr", "use"), &Viewport::set_use_arvr);
@ -2777,6 +2787,7 @@ void Viewport::_bind_methods() {
ClassDB::bind_method(D_METHOD("gui_has_modal_stack"), &Viewport::gui_has_modal_stack);
ClassDB::bind_method(D_METHOD("gui_get_drag_data"), &Viewport::gui_get_drag_data);
ClassDB::bind_method(D_METHOD("gui_is_dragging"), &Viewport::gui_is_dragging);
ClassDB::bind_method(D_METHOD("set_disable_input", "disable"), &Viewport::set_disable_input);
ClassDB::bind_method(D_METHOD("is_input_disabled"), &Viewport::is_input_disabled);

3
scene/main/viewport.h
View File

@ -274,6 +274,7 @@ private:
bool roots_order_dirty;
List<Control *> roots;
int canvas_sort_index; //for sorting items with canvas as root
bool dragging;
GUI();
} gui;
@ -474,6 +475,8 @@ public:
void _subwindow_visibility_changed();
bool gui_is_dragging() const;
Viewport();
~Viewport();
};