1 files changed, 25 insertions, 0 deletions
diff --git a/capplets/display/xrandr-capplet.c b/capplets/display/xrandr-capplet.c
index 6b09de84..bc91fd32 100644
--- a/capplets/display/xrandr-capplet.c
+++ b/capplets/display/xrandr-capplet.c
@@ -63,6 +63,7 @@ struct App
 GtkWidget *panel_checkbox;
 GtkWidget *clone_checkbox;
 GtkWidget *show_icon_checkbox;
+ GtkWidget *primary_button; 
 
 /* We store the event timestamp when the Apply button is clicked */
 GtkWidget *apply_button;
@@ -690,6 +691,8 @@ rebuild_gui (App *app)
 #endif
 gtk_widget_set_sensitive (app->panel_checkbox, sensitive);
 
+ gtk_widget_set_sensitive (app->primary_button, app->current_output && !mate_rr_output_info_get_primary(app->current_output));
+
 app->ignore_gui_changes = FALSE;
 }
 
@@ -2178,6 +2181,24 @@ on_detect_displays (GtkWidget *widget, gpointer data)
 }
 }
 
+static void
+set_primary (GtkWidget *widget, gpointer data)
+{
+ App *app = data;
+ int i;
+ MateRROutputInfo **outputs;
+
+ if (!app->current_output)
+ return;
+
+ outputs = mate_rr_config_get_outputs (app->current_configuration);
+ for (i=0; outputs[i]!=NULL; i++) {
+ mate_rr_output_info_set_primary (outputs[i], outputs[i] == app->current_output);
+ }
+
+ gtk_widget_set_sensitive (app->primary_button, !mate_rr_output_info_get_primary(app->current_output));
+}
+
 #define MSD_XRANDR_SCHEMA "org.mate.SettingsDaemon.plugins.xrandr"
 #define SHOW_ICON_KEY "show-notification-icon"
 #define DEFAULT_CONFIGURATION_FILE_KEY "default-configuration-file"
@@ -2511,6 +2532,10 @@ run_application (App *app)
 g_signal_connect (_gtk_builder_get_widget (builder, "detect_displays_button"),
 "clicked", G_CALLBACK (on_detect_displays), app);
 
+ app->primary_button = _gtk_builder_get_widget (builder, "primary_button");
+
+ g_signal_connect (app->primary_button, "clicked", G_CALLBACK (set_primary), app);
+
 app->show_icon_checkbox = _gtk_builder_get_widget (builder,
 "show_notification_icon");