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fix: resolve Linux window close handler to prevent app hang (#1795)

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- Add delete-event callback that properly quits the application when window is closed
This commit is contained in:
s
2026-01-03 18:42:30 +08:00
committed by GitHub
parent 9f5ce5ae37
commit 2b5f111fb1
2 changed files with 16 additions and 1 deletions
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15
linux/runner/my_application.cc
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@@ -20,6 +20,18 @@ static void first_frame_cb(MyApplication* self, FlView *view)
gtk_widget_show(gtk_widget_get_toplevel(GTK_WIDGET(view)));
}
// Called when window is requested to be closed.
static gboolean window_delete_event_cb(GtkWidget *widget, GdkEvent *event,
gpointer data) {
// Get the application and quit it.
GtkApplication *app = gtk_window_get_application(GTK_WINDOW(widget));
if (app != nullptr) {
g_application_quit(G_APPLICATION(app));
}
// Return TRUE to prevent further processing of the delete event.
return TRUE;
}
// Implements GApplication::activate.
static void my_application_activate(GApplication* application) {
MyApplication* self = MY_APPLICATION(application);
@@ -71,6 +83,9 @@ static void my_application_activate(GApplication* application) {
g_signal_connect_swapped(view, "first-frame", G_CALLBACK(first_frame_cb), self);
gtk_widget_realize(GTK_WIDGET(view));
// Connect the delete-event signal to handle window close.
g_signal_connect(window, "delete-event", G_CALLBACK(window_delete_event_cb), NULL);
fl_register_plugins(FL_PLUGIN_REGISTRY(view));
gtk_widget_grab_focus(GTK_WIDGET(view));