Merge pull request geany#3902 from techee/progressbar_cpu

Fix elevated CPU usage after ui_progress_bar_start/stop() is used

src/printing.c

@@ -292,6 +292,8 @@ static void end_print(GtkPrintOperation *operation, GtkPrintContext *context, gp
 	if (dinfo == NULL)
 		return;
 
+	/* see ui_progress_bar_stop() for more details on why this is called */
+	gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(main_widgets.progressbar), 0.0);
 	gtk_widget_hide(main_widgets.progressbar);
 	g_object_unref(dinfo->sci);
 	g_object_unref(dinfo->layout);

src/ui_utils.c

@@ -2863,6 +2863,10 @@ void ui_progress_bar_stop(void)
 		g_source_remove(progress_bar_timer_id);
 		progress_bar_timer_id = 0;
 	}
+
+	/* hack to remove tick callback which is created for "activity mode" progress
+	 * bars - without this it is called forever and causes elevated CPU usage */
+	gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(main_widgets.progressbar), 0.0);
 }