Pileus Git - ~andy/gtk/blob - tests/testmultiscreen.c

   1 #include <gtk/gtk.h>
   2
   3 static GtkWidget **images;
   4 static GtkWidget **vbox;
   5
   6 static void
   7 hello (GtkWidget * button, char *label)
   8 {
   9   g_print ("Click from %s\n", label);
  10 }
  11
  12 static void
  13 show_hide (GtkWidget * button, gpointer data)
  14 {
  15   gint num_screen = GPOINTER_TO_INT (data);
  16
  17   static gboolean visible = TRUE;
  18   if (visible)
  19     {
  20       gtk_widget_hide (images[num_screen]);
  21       gtk_button_set_label (GTK_BUTTON (button), "Show Icon");
  22       visible = FALSE;
  23     }
  24   else
  25     {
  26       gtk_widget_show (images[num_screen]);
  27       gtk_button_set_label (GTK_BUTTON (button), "Hide Icon");
  28       visible = TRUE;
  29     }
  30 }
  31
  32 static void
  33 move (GtkWidget *button, GtkVBox *vbox)
  34 {
  35   GdkScreen *screen = gtk_widget_get_screen (button);
  36   GtkWidget *toplevel = gtk_widget_get_toplevel (button);
  37   GtkWidget *new_toplevel;
  38   GdkDisplay *display = gdk_screen_get_display (screen);
  39   gint number_of_screens = gdk_display_get_n_screens (display);
  40   gint screen_num = gdk_screen_get_number (screen);
  41
  42   g_print ("This button is on screen %d\n", gdk_screen_get_number (screen));
  43
  44   new_toplevel = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  45
  46   if ((screen_num +1) < number_of_screens)
  47     gtk_window_set_screen (GTK_WINDOW (new_toplevel),
  48                            gdk_display_get_screen (display,
  49                                                    screen_num + 1));
  50   else
  51     gtk_window_set_screen (GTK_WINDOW (new_toplevel),
  52                            gdk_display_get_screen (display, 0));
  53
  54   gtk_widget_reparent (GTK_WIDGET (vbox), new_toplevel);
  55   gtk_widget_destroy (toplevel);
  56   gtk_widget_show_all (new_toplevel);
  57 }
  58
  59
  60 int
  61 main (int argc, char *argv[])
  62 {
  63   GtkWidget **window;
  64   GtkWidget *moving_window, *moving_button, *moving_vbox, *moving_image;
  65   gint num_screen = 0;
  66   gchar *displayname = NULL;
  67   gint i;
  68   GdkScreen **screen_list;
  69   GdkDisplay *dpy;
  70   GSList *ids;
  71
  72   gtk_init (&argc, &argv);
  73
  74   dpy = gdk_get_default_display ();
  75   num_screen = gdk_display_get_n_screens (dpy);
  76   displayname = g_strdup (gdk_display_get_name (dpy));
  77   g_print ("This X Server (%s) manages %d screen(s).\n",
  78            displayname, num_screen);
  79   screen_list = g_new (GdkScreen *, num_screen);
  80   window = g_new (GtkWidget *, num_screen);
  81   images = g_new (GtkWidget *, num_screen);
  82   vbox = g_new (GtkWidget *, num_screen);
  83
  84   ids = gtk_stock_list_ids ();
  85
  86   for (i = 0; i < num_screen; i++)
  87     {
  88       char *label = g_strdup_printf ("Screen %d", i);
  89       GtkWidget *button;
  90
  91       screen_list[i] = gdk_display_get_screen (dpy, i);
  92
  93       window[i] = gtk_widget_new (GTK_TYPE_WINDOW,
  94                                   "screen", screen_list[i],
  95                                   "user_data", NULL,
  96                                   "type", GTK_WINDOW_TOPLEVEL,
  97                                   "title", label,
  98                                   "allow_grow", FALSE,
  99                                   "allow_shrink", FALSE,
 100                                   "border_width", 10, NULL,
 101                                   NULL);
 102       g_signal_connect (window[i], "destroy",
 103                         G_CALLBACK (gtk_main_quit), NULL);
 104
 105       vbox[i] = gtk_vbox_new (TRUE, 0);
 106       gtk_container_add (GTK_CONTAINER (window[i]), vbox[i]);
 107
 108       button = gtk_widget_new (GTK_TYPE_BUTTON,
 109                                "label", label,
 110                                "parent", vbox[i],
 111                                "visible", TRUE, NULL,
 112                                NULL);
 113       g_signal_connect (button, "clicked",
 114                         G_CALLBACK (hello), label);
 115
 116       images[i] = gtk_image_new_from_stock (g_slist_nth (ids, i+1)->data,
 117                                              GTK_ICON_SIZE_BUTTON);
 118
 119       gtk_container_add (GTK_CONTAINER (vbox[i]), images[i]);
 120
 121       button = gtk_widget_new (GTK_TYPE_BUTTON,
 122                                "label", "Hide Icon",
 123                                "parent", vbox[i],
 124                                "visible", TRUE, NULL,
 125                                NULL);
 126       g_signal_connect (button, "clicked",
 127                         G_CALLBACK (show_hide), GINT_TO_POINTER (i));
 128     }
 129
 130   for (i = 0; i < num_screen; i++)
 131     gtk_widget_show_all (window[i]);
 132
 133   moving_window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 134   moving_vbox = gtk_vbox_new (TRUE, 0);
 135
 136   gtk_container_add (GTK_CONTAINER (moving_window), moving_vbox);
 137   moving_button = gtk_widget_new (GTK_TYPE_BUTTON,
 138                                   "label", "Move to Next Screen",
 139                                   "visible", TRUE,
 140                                   NULL);
 141
 142   g_signal_connect (G_OBJECT (moving_button), "clicked",
 143                     G_CALLBACK (move), moving_vbox);
 144
 145   gtk_container_add (GTK_CONTAINER (moving_vbox), moving_button);
 146
 147   moving_image = gtk_image_new_from_stock (g_slist_nth (ids, num_screen + 2)->data,
 148                                            GTK_ICON_SIZE_BUTTON);
 149   gtk_container_add (GTK_CONTAINER (moving_vbox), moving_image);
 150   gtk_widget_show_all (moving_window);
 151
 152   gtk_main ();
 153
 154   return 0;
 155 }