git.maemo.org Git - clutter-gtk/blob - examples/gtk-clutter-viewport.c

   1 #include <gtk/gtk.h>
   2 #include <clutter/clutter.h>
   3
   4 #include <clutter-gtk/clutter-gtk.h>
   5
   6 static GTimer *timer = NULL;
   7
   8 static void
   9 on_load_finished (ClutterTexture *texture,
  10                   const GError   *error,
  11                   gpointer        user_data)
  12 {
  13   if (timer)
  14     g_print ("%s: load time: %.3f secs\n",
  15              G_STRLOC,
  16              g_timer_elapsed (timer, NULL));
  17 }
  18
  19 int
  20 main (int argc, char *argv[])
  21 {
  22   ClutterActor    *stage, *viewport, *tex;
  23   ClutterColor     stage_color = { 0x61, 0x64, 0x8c, 0xff };
  24   GtkWidget       *window, *embed;
  25   GtkWidget       *table, *scrollbar;
  26   GtkAdjustment   *h_adjustment, *v_adjustment;
  27
  28   g_thread_init (NULL);
  29   gdk_threads_init ();
  30   clutter_threads_init ();
  31
  32   if (gtk_clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
  33     g_error ("Unable to initialize GtkClutter");
  34
  35   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  36   g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
  37
  38   table = gtk_table_new (2, 2, FALSE);
  39   gtk_container_add (GTK_CONTAINER (window), table);
  40   gtk_widget_show (table);
  41
  42   embed = gtk_clutter_embed_new ();
  43   gtk_table_attach (GTK_TABLE (table), embed,
  44                     0, 1,
  45                     0, 1,
  46                     GTK_EXPAND | GTK_FILL,
  47                     GTK_EXPAND | GTK_FILL,
  48                     0, 0);
  49   gtk_widget_set_size_request (embed, 320, 240);
  50   gtk_widget_show (embed);
  51
  52   stage = gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (embed));
  53   clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
  54
  55   viewport = gtk_clutter_viewport_new (NULL, NULL, NULL);
  56   clutter_actor_set_size (viewport, 320, 240);
  57   clutter_container_add_actor (CLUTTER_CONTAINER (stage), viewport);
  58
  59   if (argc < 2)
  60     tex = gtk_clutter_texture_new_from_stock (embed,
  61                                               GTK_STOCK_DIALOG_INFO,
  62                                               GTK_ICON_SIZE_DIALOG);
  63   else
  64     {
  65       GError *error = NULL;
  66
  67       tex = clutter_texture_new ();
  68       g_object_set (G_OBJECT (tex), "load-async", TRUE, NULL);
  69       g_signal_connect (tex,
  70                         "load-finished", G_CALLBACK (on_load_finished),
  71                         NULL);
  72
  73       timer = g_timer_new ();
  74
  75       clutter_texture_set_from_file (CLUTTER_TEXTURE (tex), argv[1], &error);
  76       if (error)
  77         {
  78           g_warning ("Unable to open `%s': %s", argv[1], error->message);
  79           g_error_free (error);
  80         }
  81       else
  82         g_print ("%s: load time: %.3f secs\n",
  83                  G_STRLOC,
  84                  g_timer_elapsed (timer, NULL));
  85
  86       g_print ("%s: tex.size = %.2f, %.2f\n",
  87                G_STRLOC,
  88                clutter_actor_get_width (tex),
  89                clutter_actor_get_height (tex));
  90     }
  91
  92   clutter_container_add_actor (CLUTTER_CONTAINER (viewport), tex);
  93
  94   gtk_clutter_scrollable_get_adjustments (GTK_CLUTTER_SCROLLABLE (viewport),
  95                                           &h_adjustment,
  96                                           &v_adjustment);
  97
  98   scrollbar = gtk_vscrollbar_new (v_adjustment);
  99   gtk_table_attach (GTK_TABLE (table), scrollbar,
 100                     1, 2,
 101                     0, 1,
 102                     0, GTK_EXPAND | GTK_FILL,
 103                     0, 0);
 104   gtk_widget_show (scrollbar);
 105
 106   scrollbar = gtk_hscrollbar_new (h_adjustment);
 107   gtk_table_attach (GTK_TABLE (table), scrollbar,
 108                     0, 1,
 109                     1, 2,
 110                     GTK_EXPAND | GTK_FILL, 0,
 111                     0, 0);
 112   gtk_widget_show (scrollbar);
 113
 114   gtk_widget_show (window);
 115
 116   gtk_main();
 117
 118   return 0;
 119 }