 609e04ddcf
			
		
	
	609e04ddcf
	
	
	
		
			
			Clean up the code of many examples in minor ways, fix some memory leaks, and avoid the use of dialogs where a regular toplevel works just as well.
		
			
				
	
	
		
			97 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			97 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Spinner
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|  *
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|  * GtkSpinner allows to show that background activity is on-going.
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|  *
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|  */
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| 
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| #include <glib/gi18n.h>
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| #include <gtk/gtk.h>
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| 
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| static GtkWidget *spinner_sensitive = NULL;
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| static GtkWidget *spinner_unsensitive = NULL;
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| 
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| static void
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| on_play_clicked (GtkButton *button, gpointer user_data)
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| {
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|   gtk_spinner_start (GTK_SPINNER (spinner_sensitive));
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|   gtk_spinner_start (GTK_SPINNER (spinner_unsensitive));
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| }
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| 
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| static void
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| on_stop_clicked (GtkButton *button, gpointer user_data)
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| {
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|   gtk_spinner_stop (GTK_SPINNER (spinner_sensitive));
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|   gtk_spinner_stop (GTK_SPINNER (spinner_unsensitive));
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| }
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| 
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| GtkWidget *
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| do_spinner (GtkWidget *do_widget)
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| {
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|   static GtkWidget *window = NULL;
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|   GtkWidget *content_area;
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|   GtkWidget *vbox;
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|   GtkWidget *hbox;
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|   GtkWidget *button;
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|   GtkWidget *spinner;
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| 
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|   if (!window)
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|   {
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|     window = gtk_dialog_new_with_buttons ("Spinner",
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|                                           GTK_WINDOW (do_widget),
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|                                           0,
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|                                           _("_Close"),
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|                                           GTK_RESPONSE_NONE,
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|                                           NULL);
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|     gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
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| 
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|     g_signal_connect (window, "response",
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|                       G_CALLBACK (gtk_widget_destroy), NULL);
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|     g_signal_connect (window, "destroy",
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|                       G_CALLBACK (gtk_widget_destroyed), &window);
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| 
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|     content_area = gtk_dialog_get_content_area (GTK_DIALOG (window));
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| 
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|     vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
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|     gtk_box_pack_start (GTK_BOX (content_area), vbox, TRUE, TRUE, 0);
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|     gtk_container_set_border_width (GTK_CONTAINER (vbox), 5);
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| 
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|     /* Sensitive */
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|     hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
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|     spinner = gtk_spinner_new ();
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|     gtk_container_add (GTK_CONTAINER (hbox), spinner);
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|     gtk_container_add (GTK_CONTAINER (hbox), gtk_entry_new ());
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|     gtk_container_add (GTK_CONTAINER (vbox), hbox);
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|     spinner_sensitive = spinner;
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| 
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|     /* Disabled */
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|     hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
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|     spinner = gtk_spinner_new ();
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|     gtk_container_add (GTK_CONTAINER (hbox), spinner);
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|     gtk_container_add (GTK_CONTAINER (hbox), gtk_entry_new ());
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|     gtk_container_add (GTK_CONTAINER (vbox), hbox);
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|     spinner_unsensitive = spinner;
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|     gtk_widget_set_sensitive (hbox, FALSE);
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| 
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|     button = gtk_button_new_with_label (_("Play"));
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|     g_signal_connect (G_OBJECT (button), "clicked",
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|                       G_CALLBACK (on_play_clicked), spinner);
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|     gtk_container_add (GTK_CONTAINER (vbox), button);
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| 
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|     button = gtk_button_new_with_label (_("Stop"));
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|     g_signal_connect (G_OBJECT (button), "clicked",
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|                       G_CALLBACK (on_stop_clicked), spinner);
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|     gtk_container_add (GTK_CONTAINER (vbox), button);
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| 
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|     /* Start by default to test for:
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|      * https://bugzilla.gnome.org/show_bug.cgi?id=598496 */
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|     on_play_clicked (NULL, NULL);
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|   }
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| 
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|   if (!gtk_widget_get_visible (window))
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|     gtk_widget_show_all (window);
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|   else
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|     gtk_widget_destroy (window);
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| 
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|   return window;
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| }
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