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tests/utils: Add helper for waiting for monitor reconfigurations

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This is useful after having removed a virtual monitor, which
will soon reconfigure in an idle callback.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3307>
This commit is contained in:
Jonas Ådahl 2023-11-25 12:26:32 +01:00 committed by Pascal Nowack
parent 5dc0824ea9
commit 822ea67358
2 changed files with 28 additions and 0 deletions
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25
src/tests/meta-test-utils.c
View File

@ -780,6 +780,31 @@ meta_set_custom_monitor_config_full (MetaBackend *backend,
g_warning ("Failed to set custom config: %s", error->message);
}
static void
set_true_cb (gpointer user_data)
{
gboolean *value = user_data;
*value = TRUE;
}
void
meta_wait_for_monitors_changed (MetaContext *context)
{
MetaBackend *backend = meta_context_get_backend (context);
MetaMonitorManager *monitor_manager = meta_backend_get_monitor_manager (backend);
gulong monitors_changed_handler_id;
gboolean monitors_changed = FALSE;
monitors_changed_handler_id =
g_signal_connect_swapped (monitor_manager, "monitors-changed",
G_CALLBACK (set_true_cb), &monitors_changed);
while (!monitors_changed)
g_main_context_iteration (NULL, TRUE);
g_signal_handler_disconnect (monitor_manager, monitors_changed_handler_id);
}
static void
on_view_presented (ClutterStage *stage,
ClutterStageView *view,

3
src/tests/meta-test-utils.h
View File

@ -114,6 +114,9 @@ void meta_set_custom_monitor_config_full (MetaBackend *backend,
const char *filename,
MetaMonitorsConfigFlag configs_flags);
META_EXPORT
void meta_wait_for_monitors_changed (MetaContext *context);
META_EXPORT
void meta_wait_for_paint (MetaContext *context);