382 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			382 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * testoffscreen.c
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|  */
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| 
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| #undef GTK_DISABLE_DEPRECATED
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| 
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| #include <math.h>
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| #include <gtk/gtk.h>
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| #include "gtkoffscreenbox.h"
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| 
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| 
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| static void
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| combo_changed_cb (GtkWidget *combo,
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| 		  gpointer   data)
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| {
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|   GtkWidget *label = GTK_WIDGET (data);
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|   gint active;
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| 
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|   active = gtk_combo_box_get_active (GTK_COMBO_BOX (combo));
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| 
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|   gtk_label_set_ellipsize (GTK_LABEL (label), (PangoEllipsizeMode)active);
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| }
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| 
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| static gboolean
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| layout_expose_handler (GtkWidget      *widget,
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|                        GdkEventExpose *event)
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| {
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|   GtkLayout *layout = GTK_LAYOUT (widget);
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| 
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|   gint i,j;
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|   gint imin, imax, jmin, jmax;
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| 
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|   if (event->window != layout->bin_window)
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|     return FALSE;
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| 
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|   imin = (event->area.x) / 10;
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|   imax = (event->area.x + event->area.width + 9) / 10;
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| 
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|   jmin = (event->area.y) / 10;
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|   jmax = (event->area.y + event->area.height + 9) / 10;
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| 
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|   for (i = imin; i < imax; i++)
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|     for (j = jmin; j < jmax; j++)
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|       if ((i + j) % 2)
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| 	gdk_draw_rectangle (layout->bin_window,
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|                             widget->style->black_gc,
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|                             TRUE,
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|                             10 * i, 10 * j,
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|                             1 + i % 10, 1 + j % 10);
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| 
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|   return FALSE;
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| }
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| 
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| static gboolean
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| scroll_layout (gpointer data)
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| {
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|   GtkWidget *layout = data;
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|   GtkAdjustment *adj;
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| 
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|   adj = gtk_layout_get_hadjustment (GTK_LAYOUT (layout));
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|   gtk_adjustment_set_value (adj,
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| 			    gtk_adjustment_get_value (adj) + 5.0);
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|   return TRUE;
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| }
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| 
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| static guint layout_timeout;
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| 
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| static void
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| create_layout (GtkWidget *vbox)
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| {
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|   GtkWidget *layout;
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|   GtkWidget *scrolledwindow;
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|   GtkWidget *button;
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|   gchar buf[16];
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|   gint i, j;
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| 
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|   scrolledwindow = gtk_scrolled_window_new (NULL, NULL);
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|   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolledwindow),
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| 				       GTK_SHADOW_IN);
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|   gtk_scrolled_window_set_placement (GTK_SCROLLED_WINDOW (scrolledwindow),
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| 				     GTK_CORNER_TOP_RIGHT);
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| 
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|   gtk_box_pack_start (GTK_BOX (vbox), scrolledwindow, TRUE, TRUE, 0);
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| 
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|   layout = gtk_layout_new (NULL, NULL);
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|   gtk_container_add (GTK_CONTAINER (scrolledwindow), layout);
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| 
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|   /* We set step sizes here since GtkLayout does not set
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|    * them itself.
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|    */
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|   GTK_LAYOUT (layout)->hadjustment->step_increment = 10.0;
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|   GTK_LAYOUT (layout)->vadjustment->step_increment = 10.0;
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| 
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|   gtk_widget_set_events (layout, GDK_EXPOSURE_MASK);
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|   g_signal_connect (layout, "expose_event",
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| 		    G_CALLBACK (layout_expose_handler),
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|                     NULL);
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| 
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|   gtk_layout_set_size (GTK_LAYOUT (layout), 1600, 128000);
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| 
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|   for (i = 0 ; i < 16 ; i++)
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|     for (j = 0 ; j < 16 ; j++)
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|       {
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| 	g_snprintf (buf, sizeof (buf), "Button %d, %d", i, j);
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| 
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| 	if ((i + j) % 2)
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| 	  button = gtk_button_new_with_label (buf);
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| 	else
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| 	  button = gtk_label_new (buf);
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| 
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| 	gtk_layout_put (GTK_LAYOUT (layout), button,
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| 			j * 100, i * 100);
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|       }
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| 
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|   for (i = 16; i < 1280; i++)
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|     {
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|       g_snprintf (buf, sizeof (buf), "Button %d, %d", i, 0);
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| 
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|       if (i % 2)
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| 	button = gtk_button_new_with_label (buf);
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|       else
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| 	button = gtk_label_new (buf);
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| 
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|       gtk_layout_put (GTK_LAYOUT (layout), button,
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| 		      0, i * 100);
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|     }
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| 
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|   layout_timeout = g_timeout_add (1000, scroll_layout, layout);
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| }
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| 
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| static void
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| create_treeview (GtkWidget *vbox)
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| {
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|   GtkWidget *scrolledwindow;
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|   GtkListStore *store;
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|   GtkWidget *tree_view;
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|   GSList *stock_ids;
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|   GSList *list;
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| 
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|   scrolledwindow = gtk_scrolled_window_new (NULL, NULL);
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|   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolledwindow),
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| 				       GTK_SHADOW_IN);
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| 
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|   gtk_box_pack_start (GTK_BOX (vbox), scrolledwindow, TRUE, TRUE, 0);
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| 
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|   store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
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|   tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (store));
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|   g_object_unref (store);
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| 
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|   gtk_container_add (GTK_CONTAINER (scrolledwindow), tree_view);
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| 
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|   gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view), -1,
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|                                                "Icon",
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|                                                gtk_cell_renderer_pixbuf_new (),
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|                                                "stock-id", 0,
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|                                                NULL);
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|   gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view), -1,
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|                                                "Label",
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|                                                gtk_cell_renderer_text_new (),
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|                                                "text", 1,
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|                                                NULL);
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| 
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|   stock_ids = gtk_stock_list_ids ();
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| 
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|   for (list = stock_ids; list; list = g_slist_next (list))
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|     {
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|       const gchar *stock_id = list->data;
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|       GtkStockItem item;
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| 
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|       if (gtk_stock_lookup (stock_id, &item))
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|         {
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|           gtk_list_store_insert_with_values (store, NULL, -1,
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|                                              0, item.stock_id,
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|                                              1, item.label,
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|                                              -1);
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|         }
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|     }
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| 
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|   g_slist_foreach (stock_ids, (GFunc) g_free, NULL);
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|   g_slist_free (stock_ids);
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| }
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| 
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| static GtkWidget *
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| create_widgets (void)
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| {
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|   GtkWidget *main_hbox, *main_vbox;
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|   GtkWidget *vbox, *hbox, *label, *combo, *entry, *button, *cb;
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|   GtkWidget *sw, *text_view;
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|   GList *cbitems = NULL;
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| 
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|   main_vbox = gtk_vbox_new (0, FALSE);
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| 
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|   main_hbox = gtk_hbox_new (0, FALSE);
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|   gtk_box_pack_start (GTK_BOX (main_vbox), main_hbox, TRUE, TRUE, 0);
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| 
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|   vbox = gtk_vbox_new (0, FALSE);
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|   gtk_box_pack_start (GTK_BOX (main_hbox), vbox, TRUE, TRUE, 0);
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| 
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|   hbox = gtk_hbox_new (0, FALSE);
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|   gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
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| 
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|   label = gtk_label_new ("This label may be ellipsized\nto make it fit.");
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|   gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0);
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| 
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|   combo = gtk_combo_box_new_text ();
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|   gtk_combo_box_append_text (GTK_COMBO_BOX (combo), "NONE");
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|   gtk_combo_box_append_text (GTK_COMBO_BOX (combo), "START");
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|   gtk_combo_box_append_text (GTK_COMBO_BOX (combo), "MIDDLE");
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|   gtk_combo_box_append_text (GTK_COMBO_BOX (combo), "END");
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|   gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 0);
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|   gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
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| 
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|   g_signal_connect (combo, "changed",
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|                     G_CALLBACK (combo_changed_cb),
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|                     label);
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| 
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|   entry = gtk_entry_new ();
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|   gtk_entry_set_text (GTK_ENTRY (entry), "an entry - lots of text.... lots of text.... lots of text.... lots of text.... ");
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|   gtk_box_pack_start (GTK_BOX (vbox), entry, FALSE, FALSE, 0);
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| 
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|   label = gtk_label_new ("Label after entry.");
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|   gtk_label_set_selectable (GTK_LABEL (label), TRUE);
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|   gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0);
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| 
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|   button = gtk_button_new_with_label ("Button");
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|   gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 0);
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| 
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|   button = gtk_check_button_new_with_mnemonic ("_Check button");
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|   gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
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| 
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|   cb = gtk_combo_new ();
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|   cbitems = g_list_append (cbitems, "item0");
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|   cbitems = g_list_append (cbitems, "item1 item1");
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|   cbitems = g_list_append (cbitems, "item2 item2 item2");
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|   gtk_combo_set_popdown_strings (GTK_COMBO (cb), cbitems);
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|   gtk_entry_set_text (GTK_ENTRY (GTK_COMBO (cb)->entry), "hello world ♥ foo");
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|   gtk_editable_select_region (GTK_EDITABLE (GTK_COMBO (cb)->entry),
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| 			      0, -1);
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|   gtk_box_pack_start (GTK_BOX (vbox), cb, TRUE, TRUE, 0);
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| 
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|   sw = gtk_scrolled_window_new (NULL, NULL);
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|   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
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| 				  GTK_POLICY_AUTOMATIC,
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| 				  GTK_POLICY_AUTOMATIC);
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|   text_view = gtk_text_view_new ();
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|   gtk_box_pack_start (GTK_BOX (vbox), sw, TRUE, TRUE, 0);
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|   gtk_container_add (GTK_CONTAINER (sw), text_view);
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| 
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|   create_layout (vbox);
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| 
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|   create_treeview (main_hbox);
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| 
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|   return main_vbox;
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| }
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| 
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| 
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| static void
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| scale_changed (GtkRange        *range,
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| 	       GtkOffscreenBox *offscreen_box)
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| {
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|   gtk_offscreen_box_set_angle (offscreen_box, gtk_range_get_value (range));
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| }
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| 
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| static GtkWidget *scale = NULL;
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| 
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| static void
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| remove_clicked (GtkButton *button,
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|                 GtkWidget *widget)
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| {
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|   gtk_widget_destroy (widget);
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|   g_source_remove (layout_timeout);
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| 
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|   gtk_widget_set_sensitive (GTK_WIDGET (button), FALSE);
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|   gtk_widget_set_sensitive (scale, FALSE);
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| }
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| 
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| int
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| main (int   argc,
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|       char *argv[])
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| {
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|   GtkWidget *window, *widget, *vbox, *button;
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|   GtkWidget *offscreen = NULL;
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|   gboolean use_offscreen;
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| 
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|   gtk_init (&argc, &argv);
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| 
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|   use_offscreen = argc == 1;
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| 
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|   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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|   gtk_window_set_default_size (GTK_WINDOW (window), 300,300);
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| 
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|   g_signal_connect (window, "destroy",
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|                     G_CALLBACK (gtk_main_quit),
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|                     NULL);
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| 
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|   vbox = gtk_vbox_new (0, FALSE);
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|   gtk_container_add (GTK_CONTAINER (window), vbox);
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| 
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|   scale = gtk_hscale_new_with_range (0,
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| 				     G_PI * 2,
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| 				     0.01);
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|   gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
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| 
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|   button = gtk_button_new_with_label ("Remove child 2");
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|   gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
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| 
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|   if (use_offscreen)
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|     {
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|       offscreen = gtk_offscreen_box_new ();
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| 
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|       g_signal_connect (scale, "value_changed",
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|                         G_CALLBACK (scale_changed),
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|                         offscreen);
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|     }
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|   else
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|     {
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|       offscreen = gtk_vpaned_new ();
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|     }
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| 
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|   gtk_box_pack_start (GTK_BOX (vbox), offscreen, TRUE, TRUE, 0);
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| 
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|   widget = create_widgets ();
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|   if (use_offscreen)
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|     gtk_offscreen_box_add1 (GTK_OFFSCREEN_BOX (offscreen),
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| 			    widget);
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|   else
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|     gtk_paned_add1 (GTK_PANED (offscreen), widget);
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| 
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|   widget = create_widgets ();
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|   if (1)
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|     {
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|       GtkWidget *widget2, *box2, *offscreen2;
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| 
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|       offscreen2 = gtk_offscreen_box_new ();
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|       gtk_box_pack_start (GTK_BOX (widget), offscreen2, FALSE, FALSE, 0);
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| 
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|       g_signal_connect (scale, "value_changed",
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|                         G_CALLBACK (scale_changed),
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|                         offscreen2);
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| 
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|       box2 = gtk_vbox_new (FALSE, 0);
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|       gtk_offscreen_box_add2 (GTK_OFFSCREEN_BOX (offscreen2), box2);
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| 
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|       widget2 = gtk_button_new_with_label ("Offscreen in offscreen");
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|       gtk_box_pack_start (GTK_BOX (box2), widget2, FALSE, FALSE, 0);
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| 
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|       widget2 = gtk_entry_new ();
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|       gtk_entry_set_text (GTK_ENTRY (widget2), "Offscreen in offscreen");
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|       gtk_box_pack_start (GTK_BOX (box2), widget2, FALSE, FALSE, 0);
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|     }
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| 
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|   if (use_offscreen)
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|     gtk_offscreen_box_add2 (GTK_OFFSCREEN_BOX (offscreen), widget);
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|   else
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|     gtk_paned_add2 (GTK_PANED (offscreen), widget);
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| 
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|   gtk_widget_show_all (window);
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| 
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|   g_signal_connect (G_OBJECT (button), "clicked",
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|                     G_CALLBACK (remove_clicked),
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|                     widget);
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| 
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|   /* redirect */
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|   if (0)
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|     {
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|       GtkWidget *redirect_win;
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| 
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|       redirect_win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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|       gtk_window_set_default_size (GTK_WINDOW (redirect_win), 400,400);
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|       gtk_widget_show (redirect_win);
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|       gtk_widget_realize (redirect_win);
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|       gtk_widget_realize (window);
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|       gdk_window_redirect_to_drawable (window->window,
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| 				       GDK_DRAWABLE (redirect_win->window),
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| 				       0, 0, 0, 0, -1, -1);
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|     }
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| 
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|   gtk_main ();
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| 
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|   return 0;
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| }
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