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LibGUI: Handle Window::hide() during Application teardown better

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If a window is being torn down during app shutdown, the global
application pointer may be nulled out already. So let's handle that
case gracefully in Window::hide().
This commit is contained in:
Andreas Kling 2021-01-30 14:02:06 +01:00
parent 5bf9999652
commit d9c5fdf5d5
1 changed files with 9 additions and 7 deletions
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16
Userland/Libraries/LibGUI/Window.cpp
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@ -196,15 +196,17 @@ void Window::hide()
}
}
bool app_has_visible_windows = false;
for (auto& window : *all_windows) {
if (window->is_visible()) {
app_has_visible_windows = true;
break;
if (auto* app = Application::the()) {
bool app_has_visible_windows = false;
for (auto& window : *all_windows) {
if (window->is_visible()) {
app_has_visible_windows = true;
break;
}
}
if (!app_has_visible_windows)
app->did_delete_last_window({});
}
if (!app_has_visible_windows)
Application::the()->did_delete_last_window({});
}
void Window::set_title(const StringView& title)