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Handle potential platform-specific `Window` mouse-enter/exit bugs gracefully 

Also replace `DEV_ASSERT` by `WARN_PRINT_ONCE`.
This commit is contained in:
Markus Sauermann 2023-08-02 21:17:42 +02:00
parent 237bd0a615
commit 2f8673dc07
1 changed files with 13 additions and 3 deletions
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16
scene/main/window.cpp
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@ -670,9 +670,14 @@ void Window::_propagate_window_notification(Node *p_node, int p_notification) {
void Window::_event_callback(DisplayServer::WindowEvent p_event) {
switch (p_event) {
case DisplayServer::WINDOW_EVENT_MOUSE_ENTER: {
_propagate_window_notification(this, NOTIFICATION_WM_MOUSE_ENTER);
Window *root = get_tree()->get_root();
DEV_ASSERT(!root->gui.windowmanager_window_over); // Entering a window while a window is hovered should never happen.
if (root->gui.windowmanager_window_over) {
#ifdef DEV_ENABLED
WARN_PRINT_ONCE("Entering a window while a window is hovered should never happen in DisplayServer.");
#endif // DEV_ENABLED
root->gui.windowmanager_window_over->_event_callback(DisplayServer::WINDOW_EVENT_MOUSE_EXIT);
}
_propagate_window_notification(this, NOTIFICATION_WM_MOUSE_ENTER);
root->gui.windowmanager_window_over = this;
notification(NOTIFICATION_VP_MOUSE_ENTER);
if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_CURSOR_SHAPE)) {
@ -681,7 +686,12 @@ void Window::_event_callback(DisplayServer::WindowEvent p_event) {
} break;
case DisplayServer::WINDOW_EVENT_MOUSE_EXIT: {
Window *root = get_tree()->get_root();
DEV_ASSERT(root->gui.windowmanager_window_over); // Exiting a window, while no window is hovered should never happen.
if (!root->gui.windowmanager_window_over) {
#ifdef DEV_ENABLED
WARN_PRINT_ONCE("Exiting a window while no window is hovered should never happen in DisplayServer.");
#endif // DEV_ENABLED
return;
}
root->gui.windowmanager_window_over->_mouse_leave_viewport();
root->gui.windowmanager_window_over = nullptr;
_propagate_window_notification(this, NOTIFICATION_WM_MOUSE_EXIT);