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   ClutterTimeline *timeline;
  23   ClutterActor    *stage, *viewport, *tex;
  24   ClutterColor     stage_color = { 0x61, 0x64, 0x8c, 0xff };
  25   GtkWidget       *window, *embed;
  26   GtkWidget       *table, *scrollbar;
  27   GtkAdjustment   *h_adjustment, *v_adjustment;
  28   gint             i;
  29   ClutterColor     col2 = { 0, };
  30
  31   g_thread_init (NULL);
  32   gdk_threads_init ();
  33   clutter_threads_init ();
  34
  35   if (gtk_clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
  36     g_error ("Unable to initialize GtkClutter");
  37
  38   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  39   g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
  40
  41   table = gtk_table_new (2, 2, FALSE);
  42   gtk_container_add (GTK_CONTAINER (window), table);
  43   gtk_widget_show (table);
  44
  45   embed = gtk_clutter_embed_new ();
  46   gtk_table_attach (GTK_TABLE (table), embed,
  47                     0, 1,
  48                     0, 1,
  49                     GTK_EXPAND | GTK_FILL,
  50                     GTK_EXPAND | GTK_FILL,
  51                     0, 0);
  52   gtk_widget_set_size_request (embed, 320, 240);
  53   gtk_widget_show (embed);
  54
  55   stage = gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (embed));
  56   clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
  57
  58   viewport = gtk_clutter_viewport_new (NULL, NULL);
  59   clutter_actor_set_size (viewport, 320, 240);
  60   clutter_container_add_actor (CLUTTER_CONTAINER (stage), viewport);
  61
  62   if (argc < 2)
  63     tex = gtk_clutter_texture_new_from_stock (embed,
  64                                               GTK_STOCK_DIALOG_INFO,
  65                                               GTK_ICON_SIZE_DIALOG);
  66   else
  67     {
  68       GError *error = NULL;
  69
  70       tex = clutter_texture_new ();
  71       g_object_set (G_OBJECT (tex), "load-async", TRUE, NULL);
  72       g_signal_connect (tex,
  73                         "load-finished", G_CALLBACK (on_load_finished),
  74                         NULL);
  75
  76       timer = g_timer_new ();
  77
  78       clutter_texture_set_from_file (CLUTTER_TEXTURE (tex), argv[1], &error);
  79       if (error)
  80         {
  81           g_warning ("Unable to open `%s': %s", argv[1], error->message);
  82           g_error_free (error);
  83         }
  84       else
  85         g_print ("%s: load time: %.3f secs\n",
  86                  G_STRLOC,
  87                  g_timer_elapsed (timer, NULL));
  88
  89       g_print ("%s: tex.size = %d, %d\n",
  90                G_STRLOC,
  91                clutter_actor_get_width (tex),
  92                clutter_actor_get_height (tex));
  93     }
  94
  95   clutter_container_add_actor (CLUTTER_CONTAINER (viewport), tex);
  96
  97   gtk_clutter_scrollable_get_adjustments (GTK_CLUTTER_SCROLLABLE (viewport),
  98                                           &h_adjustment,
  99                                           &v_adjustment);
 100
 101   scrollbar = gtk_vscrollbar_new (v_adjustment);
 102   gtk_table_attach (GTK_TABLE (table), scrollbar,
 103                     1, 2,
 104                     0, 1,
 105                     0, GTK_EXPAND | GTK_FILL,
 106                     0, 0);
 107   gtk_widget_show (scrollbar);
 108
 109   scrollbar = gtk_hscrollbar_new (h_adjustment);
 110   gtk_table_attach (GTK_TABLE (table), scrollbar,
 111                     0, 1,
 112                     1, 2,
 113                     GTK_EXPAND | GTK_FILL, 0,
 114                     0, 0);
 115   gtk_widget_show (scrollbar);
 116
 117   gtk_widget_show (window);
 118
 119   gtk_main();
 120
 121   return 0;
 122 }