805 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			805 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* Tool Palette
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 *
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 * A tool palette widget shows groups of toolbar items as a grid of icons
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 * or a list of names.
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 */
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#include <string.h>
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#include <gtk/gtk.h>
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static GtkWidget *window = NULL;
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static void load_icon_items (GtkToolPalette *palette);
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static void load_toggle_items (GtkToolPalette *palette);
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static void load_special_items (GtkToolPalette *palette);
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typedef struct _CanvasItem CanvasItem;
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struct _CanvasItem
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{
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  GdkPixbuf *pixbuf;
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  gdouble x, y;
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};
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static gboolean drag_data_requested_for_drop = FALSE;
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static CanvasItem *drop_item = NULL;
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static GList *canvas_items = NULL;
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/********************************/
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/* ====== Canvas drawing ====== */
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/********************************/
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static CanvasItem*
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canvas_item_new (GtkWidget     *widget,
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                 GtkToolButton *button,
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                 gdouble        x,
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                 gdouble        y)
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{
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  CanvasItem *item = NULL;
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  const gchar *icon_name;
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  GdkPixbuf *pixbuf;
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  GtkIconTheme *icon_theme;
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  int width;
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  icon_name = gtk_tool_button_get_icon_name (button);
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  icon_theme = gtk_icon_theme_get_for_screen (gtk_widget_get_screen (widget));
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  gtk_icon_size_lookup (GTK_ICON_SIZE_DIALOG, &width, NULL);
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  pixbuf = gtk_icon_theme_load_icon (icon_theme,
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                                     icon_name,
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                                     width,
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                                     GTK_ICON_LOOKUP_GENERIC_FALLBACK,
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                                     NULL);
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  if (pixbuf)
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    {
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      item = g_slice_new0 (CanvasItem);
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      item->pixbuf = pixbuf;
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      item->x = x;
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      item->y = y;
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    }
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  return item;
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}
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static void
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canvas_item_free (CanvasItem *item)
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{
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  g_object_unref (item->pixbuf);
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  g_slice_free (CanvasItem, item);
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}
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static void
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canvas_item_draw (const CanvasItem *item,
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                  cairo_t          *cr,
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                  gboolean          preview)
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{
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  gdouble cx = gdk_pixbuf_get_width (item->pixbuf);
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  gdouble cy = gdk_pixbuf_get_height (item->pixbuf);
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  gdk_cairo_set_source_pixbuf (cr,
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                               item->pixbuf,
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                               item->x - cx * 0.5,
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                               item->y - cy * 0.5);
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  if (preview)
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    cairo_paint_with_alpha (cr, 0.6);
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  else
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    cairo_paint (cr);
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}
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static gboolean
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canvas_draw (GtkWidget *widget,
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             cairo_t   *cr)
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{
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  GList *iter;
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  cairo_set_source_rgb (cr, 1, 1, 1);
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  cairo_paint (cr);
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  for (iter = canvas_items; iter; iter = iter->next)
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    canvas_item_draw (iter->data, cr, FALSE);
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  if (drop_item)
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    canvas_item_draw (drop_item, cr, TRUE);
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  return TRUE;
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}
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/*****************************/
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/* ====== Palette DnD ====== */
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/*****************************/
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static void
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palette_drop_item (GtkToolItem      *drag_item,
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                   GtkToolItemGroup *drop_group,
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                   gint              x,
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                   gint              y)
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{
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  GtkWidget *drag_group = gtk_widget_get_parent (GTK_WIDGET (drag_item));
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  GtkToolItem *drop_item = gtk_tool_item_group_get_drop_item (drop_group, x, y);
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  gint drop_position = -1;
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  if (drop_item)
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    drop_position = gtk_tool_item_group_get_item_position (GTK_TOOL_ITEM_GROUP (drop_group), drop_item);
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  if (GTK_TOOL_ITEM_GROUP (drag_group) != drop_group)
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    {
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      gboolean homogeneous, expand, fill, new_row;
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      g_object_ref (drag_item);
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      gtk_container_child_get (GTK_CONTAINER (drag_group), GTK_WIDGET (drag_item),
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                               "homogeneous", &homogeneous,
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                               "expand", &expand,
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                               "fill", &fill,
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                               "new-row", &new_row,
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                               NULL);
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      gtk_container_remove (GTK_CONTAINER (drag_group), GTK_WIDGET (drag_item));
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      gtk_tool_item_group_insert (GTK_TOOL_ITEM_GROUP (drop_group),
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                                  drag_item, drop_position);
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      gtk_container_child_set (GTK_CONTAINER (drop_group), GTK_WIDGET (drag_item),
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                               "homogeneous", homogeneous,
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                               "expand", expand,
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                               "fill", fill,
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                               "new-row", new_row,
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                               NULL);
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      g_object_unref (drag_item);
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    }
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  else
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    gtk_tool_item_group_set_item_position (GTK_TOOL_ITEM_GROUP (drop_group),
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                                           drag_item, drop_position);
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}
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static void
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palette_drop_group (GtkToolPalette   *palette,
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                    GtkToolItemGroup *drag_group,
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                    GtkToolItemGroup *drop_group)
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{
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  gint drop_position = -1;
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  if (drop_group)
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    drop_position = gtk_tool_palette_get_group_position (palette, drop_group);
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  gtk_tool_palette_set_group_position (palette, drag_group, drop_position);
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}
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static void
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palette_drag_data_received (GtkWidget        *widget,
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                            GdkDragContext   *context,
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                            gint              x,
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                            gint              y,
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                            GtkSelectionData *selection,
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                            guint             info,
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                            guint             time,
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                            gpointer          data)
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{
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  GtkAllocation     allocation;
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  GtkToolItemGroup *drop_group = NULL;
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  GtkWidget        *drag_palette = gtk_drag_get_source_widget (context);
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  GtkWidget        *drag_item = NULL;
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  while (drag_palette && !GTK_IS_TOOL_PALETTE (drag_palette))
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    drag_palette = gtk_widget_get_parent (drag_palette);
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  if (drag_palette)
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    {
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      drag_item = gtk_tool_palette_get_drag_item (GTK_TOOL_PALETTE (drag_palette),
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                                                  selection);
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      drop_group = gtk_tool_palette_get_drop_group (GTK_TOOL_PALETTE (widget),
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                                                    x, y);
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    }
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  if (GTK_IS_TOOL_ITEM_GROUP (drag_item))
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    palette_drop_group (GTK_TOOL_PALETTE (drag_palette),
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                        GTK_TOOL_ITEM_GROUP (drag_item),
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                        drop_group);
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  else if (GTK_IS_TOOL_ITEM (drag_item) && drop_group)
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    {
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      gtk_widget_get_allocation (GTK_WIDGET (drop_group), &allocation);
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      palette_drop_item (GTK_TOOL_ITEM (drag_item),
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                         drop_group,
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                         x - allocation.x,
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                         y - allocation.y);
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    }
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}
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/********************************/
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/* ====== Passive Canvas ====== */
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/********************************/
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static void
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passive_canvas_drag_data_received (GtkWidget        *widget,
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                                   GdkDragContext   *context,
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                                   gint              x,
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                                   gint              y,
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                                   GtkSelectionData *selection,
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                                   guint             info,
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                                   guint             time,
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                                   gpointer          data)
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{
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  /* find the tool button, which is the source of this DnD operation */
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  GtkWidget *palette = gtk_drag_get_source_widget (context);
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  CanvasItem *canvas_item = NULL;
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  GtkWidget *tool_item = NULL;
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  while (palette && !GTK_IS_TOOL_PALETTE (palette))
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    palette = gtk_widget_get_parent (palette);
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  if (palette)
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    tool_item = gtk_tool_palette_get_drag_item (GTK_TOOL_PALETTE (palette),
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                                                selection);
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  g_assert (NULL == drop_item);
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  /* append a new canvas item when a tool button was found */
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  if (GTK_IS_TOOL_ITEM (tool_item))
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    canvas_item = canvas_item_new (widget, GTK_TOOL_BUTTON (tool_item), x, y);
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  if (canvas_item)
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    {
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      canvas_items = g_list_append (canvas_items, canvas_item);
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      gtk_widget_queue_draw (widget);
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    }
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}
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/************************************/
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/* ====== Interactive Canvas ====== */
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/************************************/
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static gboolean
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interactive_canvas_drag_motion (GtkWidget      *widget,
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                                GdkDragContext *context,
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                                gint            x,
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                                gint            y,
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                                guint           time,
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                                gpointer        data)
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{
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  if (drop_item)
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    {
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      /* already have a drop indicator - just update position */
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      drop_item->x = x;
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      drop_item->y = y;
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      gtk_widget_queue_draw (widget);
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      gdk_drag_status (context, GDK_ACTION_COPY, time);
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    }
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  else
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    {
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      /* request DnD data for creating a drop indicator */
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      GdkAtom target = gtk_drag_dest_find_target (widget, context, NULL);
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      if (!target)
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        return FALSE;
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      drag_data_requested_for_drop = FALSE;
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      gtk_drag_get_data (widget, context, target, time);
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    }
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  return TRUE;
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}
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static void
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interactive_canvas_drag_data_received (GtkWidget        *widget,
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                                       GdkDragContext   *context,
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                                       gint              x,
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                                       gint              y,
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                                       GtkSelectionData *selection,
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                                       guint             info,
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                                       guint             time,
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                                       gpointer          data)
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{
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  /* find the tool button which is the source of this DnD operation */
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  GtkWidget *palette = gtk_drag_get_source_widget (context);
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  GtkWidget *tool_item = NULL;
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  CanvasItem *item;
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  while (palette && !GTK_IS_TOOL_PALETTE (palette))
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    palette = gtk_widget_get_parent (palette);
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  if (palette)
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    tool_item = gtk_tool_palette_get_drag_item (GTK_TOOL_PALETTE (palette),
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                                                selection);
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  /* create a canvas item when a tool button was found */
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  g_assert (NULL == drop_item);
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  if (!GTK_IS_TOOL_ITEM (tool_item))
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    return;
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  if (drop_item)
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    {
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      canvas_item_free (drop_item);
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      drop_item = NULL;
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    }
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  item = canvas_item_new (widget, GTK_TOOL_BUTTON (tool_item), x, y);
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  /* Either create a new item or just create a preview item, 
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     depending on why the drag data was requested. */
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  if(drag_data_requested_for_drop)
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    {
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      canvas_items = g_list_append (canvas_items, item);
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      drop_item = NULL;
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      gtk_drag_finish (context, TRUE, FALSE, time);
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    } else
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    {
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      drop_item = item;
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      gdk_drag_status (context, GDK_ACTION_COPY, time);
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    }
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  gtk_widget_queue_draw (widget);
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}
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static gboolean
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interactive_canvas_drag_drop (GtkWidget      *widget,
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                              GdkDragContext *context,
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                              gint            x,
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                              gint            y,
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                              guint           time,
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                              gpointer        data)
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{
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  GdkAtom target = gtk_drag_dest_find_target (widget, context, NULL);
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  if (!target)
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    return FALSE;
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  drag_data_requested_for_drop = TRUE;
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  gtk_drag_get_data (widget, context, target, time);
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  return FALSE;
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}
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static void
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interactive_canvas_drag_leave (gpointer data)
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{
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  if (drop_item)
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    {
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      GtkWidget *widget = GTK_WIDGET (data);
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      canvas_item_free (drop_item);
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      drop_item = NULL;
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      if (widget)
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        gtk_widget_queue_draw (widget);
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    }
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}
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static void
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on_combo_orientation_changed (GtkComboBox *combo_box,
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                              gpointer     user_data)
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{
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  GtkToolPalette *palette = GTK_TOOL_PALETTE (user_data);
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  GtkScrolledWindow *sw;
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  GtkTreeModel *model = gtk_combo_box_get_model (combo_box);
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  GtkTreeIter iter;
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  gint val = 0;
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  sw = GTK_SCROLLED_WINDOW (gtk_widget_get_parent (GTK_WIDGET (palette)));
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  if (!gtk_combo_box_get_active_iter (combo_box, &iter))
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    return;
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  gtk_tree_model_get (model, &iter, 1, &val, -1);
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  gtk_orientable_set_orientation (GTK_ORIENTABLE (palette), val);
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  if (val == GTK_ORIENTATION_HORIZONTAL)
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    gtk_scrolled_window_set_policy (sw, GTK_POLICY_AUTOMATIC, GTK_POLICY_NEVER);
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  else
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    gtk_scrolled_window_set_policy (sw, GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
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}
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static void
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on_combo_style_changed (GtkComboBox *combo_box,
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                        gpointer     user_data)
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{
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  GtkToolPalette *palette = GTK_TOOL_PALETTE (user_data);
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  GtkTreeModel *model = gtk_combo_box_get_model (combo_box);
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  GtkTreeIter iter;
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  gint val = 0;
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  if (!gtk_combo_box_get_active_iter (combo_box, &iter))
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    return;
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  gtk_tree_model_get (model, &iter, 1, &val, -1);
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  if (val == -1)
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    gtk_tool_palette_unset_style (palette);
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  else
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    gtk_tool_palette_set_style (palette, val);
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}
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GtkWidget *
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do_toolpalette (GtkWidget *do_widget)
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{
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  GtkWidget *box = NULL;
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  GtkWidget *hbox = NULL;
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						|
  GtkWidget *combo_orientation = NULL;
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						|
  GtkListStore *orientation_model = NULL;
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  GtkWidget *combo_style = NULL;
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  GtkListStore *style_model = NULL;
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  GtkCellRenderer *cell_renderer = NULL;
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  GtkTreeIter iter;
 | 
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  GtkWidget *palette = NULL;
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  GtkWidget *palette_scroller = NULL;
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  GtkWidget *notebook = NULL;
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  GtkWidget *contents = NULL;
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  GtkWidget *contents_scroller = NULL;
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  if (!window)
 | 
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    {
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      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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      gtk_window_set_screen (GTK_WINDOW (window),
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                             gtk_widget_get_screen (do_widget));
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      gtk_window_set_title (GTK_WINDOW (window), "Tool Palette");
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      gtk_window_set_default_size (GTK_WINDOW (window), 200, 600);
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      g_signal_connect (window, "destroy",
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                        G_CALLBACK (gtk_widget_destroyed), &window);
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      gtk_container_set_border_width (GTK_CONTAINER (window), 8);
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      /* Add widgets to control the ToolPalette appearance: */
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      box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
 | 
						|
      gtk_container_add (GTK_CONTAINER (window), box);
 | 
						|
 | 
						|
      /* Orientation combo box: */
 | 
						|
      orientation_model = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT);
 | 
						|
      gtk_list_store_append (orientation_model, &iter);
 | 
						|
      gtk_list_store_set (orientation_model, &iter,
 | 
						|
                          0, "Horizontal",
 | 
						|
                          1, GTK_ORIENTATION_HORIZONTAL,
 | 
						|
                          -1);
 | 
						|
      gtk_list_store_append (orientation_model, &iter);
 | 
						|
      gtk_list_store_set (orientation_model, &iter,
 | 
						|
                          0, "Vertical",
 | 
						|
                          1, GTK_ORIENTATION_VERTICAL,
 | 
						|
                          -1);
 | 
						|
 | 
						|
      combo_orientation =
 | 
						|
        gtk_combo_box_new_with_model (GTK_TREE_MODEL (orientation_model));
 | 
						|
      cell_renderer = gtk_cell_renderer_text_new ();
 | 
						|
      gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo_orientation),
 | 
						|
                                  cell_renderer,
 | 
						|
                                  TRUE);
 | 
						|
      gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo_orientation),
 | 
						|
                                      cell_renderer,
 | 
						|
                                      "text", 0,
 | 
						|
                                      NULL);
 | 
						|
      gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combo_orientation), &iter);
 | 
						|
      gtk_box_pack_start (GTK_BOX (box), combo_orientation, FALSE, FALSE, 0);
 | 
						|
 | 
						|
      /* Style combo box: */
 | 
						|
      style_model = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT);
 | 
						|
      gtk_list_store_append (style_model, &iter);
 | 
						|
      gtk_list_store_set (style_model, &iter,
 | 
						|
                          0, "Text",
 | 
						|
                          1, GTK_TOOLBAR_TEXT,
 | 
						|
                          -1);
 | 
						|
      gtk_list_store_append (style_model, &iter);
 | 
						|
      gtk_list_store_set (style_model, &iter,
 | 
						|
                          0, "Both",
 | 
						|
                          1, GTK_TOOLBAR_BOTH,
 | 
						|
                          -1);
 | 
						|
      gtk_list_store_append (style_model, &iter);
 | 
						|
      gtk_list_store_set (style_model, &iter,
 | 
						|
                          0, "Both: Horizontal",
 | 
						|
                          1, GTK_TOOLBAR_BOTH_HORIZ,
 | 
						|
                          -1);
 | 
						|
      gtk_list_store_append (style_model, &iter);
 | 
						|
      gtk_list_store_set (style_model, &iter,
 | 
						|
                          0, "Icons",
 | 
						|
                          1, GTK_TOOLBAR_ICONS,
 | 
						|
                          -1);
 | 
						|
      gtk_list_store_append (style_model, &iter);
 | 
						|
      gtk_list_store_set (style_model, &iter,
 | 
						|
                          0, "Default",
 | 
						|
                          1, -1,  /* A custom meaning for this demo. */
 | 
						|
                          -1);
 | 
						|
      combo_style = gtk_combo_box_new_with_model (GTK_TREE_MODEL (style_model));
 | 
						|
      cell_renderer = gtk_cell_renderer_text_new ();
 | 
						|
      gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo_style),
 | 
						|
                                  cell_renderer,
 | 
						|
                                  TRUE);
 | 
						|
      gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo_style),
 | 
						|
                                      cell_renderer,
 | 
						|
                                      "text", 0,
 | 
						|
                                      NULL);
 | 
						|
      gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combo_style), &iter);
 | 
						|
      gtk_box_pack_start (GTK_BOX (box), combo_style, FALSE, FALSE, 0);
 | 
						|
 | 
						|
      /* Add hbox */
 | 
						|
      hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
 | 
						|
      gtk_box_pack_start (GTK_BOX (box), hbox, TRUE, TRUE, 0);
 | 
						|
 | 
						|
      /* Add and fill the ToolPalette: */
 | 
						|
      palette = gtk_tool_palette_new ();
 | 
						|
 | 
						|
      load_icon_items (GTK_TOOL_PALETTE (palette));
 | 
						|
      load_toggle_items (GTK_TOOL_PALETTE (palette));
 | 
						|
      load_special_items (GTK_TOOL_PALETTE (palette));
 | 
						|
 | 
						|
      palette_scroller = gtk_scrolled_window_new (NULL, NULL);
 | 
						|
      gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (palette_scroller),
 | 
						|
                                      GTK_POLICY_NEVER,
 | 
						|
                                      GTK_POLICY_AUTOMATIC);
 | 
						|
      gtk_container_set_border_width (GTK_CONTAINER (palette_scroller), 6);
 | 
						|
      gtk_widget_set_hexpand (palette_scroller, TRUE);
 | 
						|
 | 
						|
      gtk_container_add (GTK_CONTAINER (palette_scroller), palette);
 | 
						|
      gtk_container_add (GTK_CONTAINER (hbox), palette_scroller);
 | 
						|
 | 
						|
      gtk_widget_show_all (box);
 | 
						|
 | 
						|
      /* Connect signals: */
 | 
						|
      g_signal_connect (combo_orientation, "changed",
 | 
						|
                        G_CALLBACK (on_combo_orientation_changed), palette);
 | 
						|
      g_signal_connect (combo_style, "changed",
 | 
						|
                        G_CALLBACK (on_combo_style_changed), palette);
 | 
						|
 | 
						|
      /* Keep the widgets in sync: */
 | 
						|
      on_combo_orientation_changed (GTK_COMBO_BOX (combo_orientation), palette);
 | 
						|
 | 
						|
      /* ===== notebook ===== */
 | 
						|
 | 
						|
      notebook = gtk_notebook_new ();
 | 
						|
      gtk_container_set_border_width (GTK_CONTAINER (notebook), 6);
 | 
						|
      gtk_box_pack_end (GTK_BOX(hbox), notebook, FALSE, FALSE, 0);
 | 
						|
 | 
						|
      /* ===== DnD for tool items ===== */
 | 
						|
 | 
						|
      g_signal_connect (palette, "drag-data-received",
 | 
						|
                        G_CALLBACK (palette_drag_data_received), NULL);
 | 
						|
 | 
						|
      gtk_tool_palette_add_drag_dest (GTK_TOOL_PALETTE (palette),
 | 
						|
                                      palette,
 | 
						|
                                      GTK_DEST_DEFAULT_ALL,
 | 
						|
                                      GTK_TOOL_PALETTE_DRAG_ITEMS |
 | 
						|
                                      GTK_TOOL_PALETTE_DRAG_GROUPS,
 | 
						|
                                      GDK_ACTION_MOVE);
 | 
						|
 | 
						|
      /* ===== passive DnD dest ===== */
 | 
						|
 | 
						|
      contents = gtk_drawing_area_new ();
 | 
						|
      gtk_widget_set_app_paintable (contents, TRUE);
 | 
						|
 | 
						|
      g_object_connect (contents,
 | 
						|
                        "signal::draw", canvas_draw, NULL,
 | 
						|
                        "signal::drag-data-received", passive_canvas_drag_data_received, NULL,
 | 
						|
                        NULL);
 | 
						|
 | 
						|
      gtk_tool_palette_add_drag_dest (GTK_TOOL_PALETTE (palette),
 | 
						|
                                      contents,
 | 
						|
                                      GTK_DEST_DEFAULT_ALL,
 | 
						|
                                      GTK_TOOL_PALETTE_DRAG_ITEMS,
 | 
						|
                                      GDK_ACTION_COPY);
 | 
						|
 | 
						|
      contents_scroller = gtk_scrolled_window_new (NULL, NULL);
 | 
						|
      gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (contents_scroller),
 | 
						|
                                      GTK_POLICY_AUTOMATIC,
 | 
						|
                                      GTK_POLICY_ALWAYS);
 | 
						|
      gtk_container_add (GTK_CONTAINER (contents_scroller), contents);
 | 
						|
      gtk_container_set_border_width (GTK_CONTAINER (contents_scroller), 6);
 | 
						|
 | 
						|
      gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
 | 
						|
                                contents_scroller,
 | 
						|
                                gtk_label_new ("Passive DnD Mode"));
 | 
						|
 | 
						|
      /* ===== interactive DnD dest ===== */
 | 
						|
 | 
						|
      contents = gtk_drawing_area_new ();
 | 
						|
      gtk_widget_set_app_paintable (contents, TRUE);
 | 
						|
 | 
						|
      g_object_connect (contents,
 | 
						|
                        "signal::draw", canvas_draw, NULL,
 | 
						|
                        "signal::drag-motion", interactive_canvas_drag_motion, NULL,
 | 
						|
                        "signal::drag-data-received", interactive_canvas_drag_data_received, NULL,
 | 
						|
                        "signal::drag-leave", interactive_canvas_drag_leave, contents,
 | 
						|
                        "signal::drag-drop", interactive_canvas_drag_drop, NULL,
 | 
						|
                        NULL);
 | 
						|
 | 
						|
      gtk_tool_palette_add_drag_dest (GTK_TOOL_PALETTE (palette),
 | 
						|
                                      contents,
 | 
						|
                                      GTK_DEST_DEFAULT_HIGHLIGHT,
 | 
						|
                                      GTK_TOOL_PALETTE_DRAG_ITEMS,
 | 
						|
                                      GDK_ACTION_COPY);
 | 
						|
 | 
						|
      contents_scroller = gtk_scrolled_window_new (NULL, NULL);
 | 
						|
      gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (contents_scroller),
 | 
						|
                                      GTK_POLICY_AUTOMATIC,
 | 
						|
                                      GTK_POLICY_ALWAYS);
 | 
						|
      gtk_container_add (GTK_CONTAINER (contents_scroller), contents);
 | 
						|
      gtk_container_set_border_width (GTK_CONTAINER (contents_scroller), 6);
 | 
						|
 | 
						|
      gtk_notebook_append_page (GTK_NOTEBOOK (notebook), contents_scroller,
 | 
						|
                                gtk_label_new ("Interactive DnD Mode"));
 | 
						|
    }
 | 
						|
 | 
						|
  if (!gtk_widget_get_visible (window))
 | 
						|
    {
 | 
						|
      gtk_widget_show_all (window);
 | 
						|
    }
 | 
						|
  else
 | 
						|
    {
 | 
						|
      gtk_widget_destroy (window);
 | 
						|
      window = NULL;
 | 
						|
    }
 | 
						|
 | 
						|
  return window;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static void
 | 
						|
load_icon_items (GtkToolPalette *palette)
 | 
						|
{
 | 
						|
  GList *contexts;
 | 
						|
  GList *l;
 | 
						|
  GtkIconTheme *icon_theme;
 | 
						|
 | 
						|
  icon_theme = gtk_icon_theme_get_for_screen (gtk_widget_get_screen (GTK_WIDGET (palette)));
 | 
						|
 | 
						|
  contexts = gtk_icon_theme_list_contexts (icon_theme);
 | 
						|
  for (l = contexts; l; l = l->next)
 | 
						|
    {
 | 
						|
      gchar *context = l->data;
 | 
						|
      GList *icon_names;
 | 
						|
      GList *ll;
 | 
						|
      const guint max_icons = 10;
 | 
						|
      guint icons_count = 0;
 | 
						|
 | 
						|
      GtkWidget *group = gtk_tool_item_group_new (context);
 | 
						|
      gtk_container_add (GTK_CONTAINER (palette), group);
 | 
						|
 | 
						|
      if (g_strcmp0 (context, "Animations") == 0)
 | 
						|
        continue;
 | 
						|
 | 
						|
      g_message ("Got context '%s'", context);
 | 
						|
      icon_names = gtk_icon_theme_list_icons (icon_theme, context);
 | 
						|
      icon_names = g_list_sort (icon_names, (GCompareFunc) strcmp);
 | 
						|
 | 
						|
      for (ll = icon_names; ll; ll = ll->next)
 | 
						|
        {
 | 
						|
          GtkToolItem *item;
 | 
						|
          gchar *id = ll->data;
 | 
						|
 | 
						|
          if (g_str_equal (id, "emblem-desktop"))
 | 
						|
            continue;
 | 
						|
 | 
						|
          if (g_str_has_suffix (id, "-symbolic"))
 | 
						|
            continue;
 | 
						|
 | 
						|
          g_message ("Got id '%s'", id);
 | 
						|
 | 
						|
          item = gtk_tool_button_new (NULL, NULL);
 | 
						|
          gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (item), id);
 | 
						|
          gtk_tool_item_set_tooltip_text (GTK_TOOL_ITEM (item), id);
 | 
						|
          gtk_tool_item_group_insert (GTK_TOOL_ITEM_GROUP (group), item, -1);
 | 
						|
 | 
						|
          /* Prevent us having an insane number of icons: */
 | 
						|
          ++icons_count;
 | 
						|
          if(icons_count >= max_icons)
 | 
						|
            break;
 | 
						|
        }
 | 
						|
 | 
						|
      g_list_free_full (icon_names, g_free);
 | 
						|
    }
 | 
						|
 | 
						|
  g_list_free_full (contexts, g_free);
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
load_toggle_items (GtkToolPalette *palette)
 | 
						|
{
 | 
						|
  GSList *toggle_group = NULL;
 | 
						|
  GtkToolItem *item;
 | 
						|
  GtkWidget *group;
 | 
						|
  char *label;
 | 
						|
  int i;
 | 
						|
 | 
						|
  group = gtk_tool_item_group_new ("Radio Item");
 | 
						|
  gtk_container_add (GTK_CONTAINER (palette), group);
 | 
						|
 | 
						|
  for (i = 1; i <= 10; ++i)
 | 
						|
    {
 | 
						|
      label = g_strdup_printf ("#%d", i);
 | 
						|
      item = gtk_radio_tool_button_new (toggle_group);
 | 
						|
      gtk_tool_button_set_label (GTK_TOOL_BUTTON (item), label);
 | 
						|
      g_free (label);
 | 
						|
 | 
						|
      gtk_tool_item_group_insert (GTK_TOOL_ITEM_GROUP (group), item, -1);
 | 
						|
      toggle_group = gtk_radio_tool_button_get_group (GTK_RADIO_TOOL_BUTTON (item));
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static GtkToolItem *
 | 
						|
create_entry_item (const char *text)
 | 
						|
{
 | 
						|
  GtkToolItem *item;
 | 
						|
  GtkWidget *entry;
 | 
						|
 | 
						|
  entry = gtk_entry_new ();
 | 
						|
  gtk_entry_set_text (GTK_ENTRY (entry), text);
 | 
						|
  gtk_entry_set_width_chars (GTK_ENTRY (entry), 5);
 | 
						|
 | 
						|
  item = gtk_tool_item_new ();
 | 
						|
  gtk_container_add (GTK_CONTAINER (item), entry);
 | 
						|
 | 
						|
  return item;
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
load_special_items (GtkToolPalette *palette)
 | 
						|
{
 | 
						|
  GtkToolItem *item;
 | 
						|
  GtkWidget *group;
 | 
						|
  GtkWidget *label_button;
 | 
						|
 | 
						|
  group = gtk_tool_item_group_new (NULL);
 | 
						|
  label_button = gtk_button_new_with_label ("Advanced Features");
 | 
						|
  gtk_widget_show (label_button);
 | 
						|
  gtk_tool_item_group_set_label_widget (GTK_TOOL_ITEM_GROUP (group),
 | 
						|
                                        label_button);
 | 
						|
  gtk_container_add (GTK_CONTAINER (palette), group);
 | 
						|
 | 
						|
  item = create_entry_item ("homogeneous=FALSE");
 | 
						|
  gtk_tool_item_group_insert (GTK_TOOL_ITEM_GROUP (group), item, -1);
 | 
						|
  gtk_container_child_set (GTK_CONTAINER (group), GTK_WIDGET (item),
 | 
						|
                           "homogeneous", FALSE, NULL);
 | 
						|
 | 
						|
  item = create_entry_item ("homogeneous=FALSE, expand=TRUE");
 | 
						|
  gtk_tool_item_group_insert (GTK_TOOL_ITEM_GROUP (group), item, -1);
 | 
						|
  gtk_container_child_set (GTK_CONTAINER (group), GTK_WIDGET (item),
 | 
						|
                           "homogeneous", FALSE, "expand", TRUE,
 | 
						|
                           NULL);
 | 
						|
 | 
						|
  item = create_entry_item ("homogeneous=FALSE, expand=TRUE, fill=FALSE");
 | 
						|
  gtk_tool_item_group_insert (GTK_TOOL_ITEM_GROUP (group), item, -1);
 | 
						|
  gtk_container_child_set (GTK_CONTAINER (group), GTK_WIDGET (item),
 | 
						|
                           "homogeneous", FALSE, "expand", TRUE,
 | 
						|
                           "fill", FALSE, NULL);
 | 
						|
 | 
						|
  item = create_entry_item ("homogeneous=FALSE, expand=TRUE, new-row=TRUE");
 | 
						|
  gtk_tool_item_group_insert (GTK_TOOL_ITEM_GROUP (group), item, -1);
 | 
						|
  gtk_container_child_set (GTK_CONTAINER (group), GTK_WIDGET (item),
 | 
						|
                           "homogeneous", FALSE, "expand", TRUE,
 | 
						|
                           "new-row", TRUE, NULL);
 | 
						|
 | 
						|
  item = gtk_tool_button_new (NULL, NULL);
 | 
						|
  gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (item), "go-up");
 | 
						|
  gtk_tool_item_set_tooltip_text (item, "Show on vertical palettes only");
 | 
						|
  gtk_tool_item_group_insert (GTK_TOOL_ITEM_GROUP (group), item, -1);
 | 
						|
  gtk_tool_item_set_visible_horizontal (item, FALSE);
 | 
						|
 | 
						|
  item = gtk_tool_button_new (NULL, NULL);
 | 
						|
  gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (item), "go-next");
 | 
						|
  gtk_tool_item_set_tooltip_text (item, "Show on horizontal palettes only");
 | 
						|
  gtk_tool_item_group_insert (GTK_TOOL_ITEM_GROUP (group), item, -1);
 | 
						|
  gtk_tool_item_set_visible_vertical (item, FALSE);
 | 
						|
 | 
						|
  item = gtk_tool_button_new (NULL, NULL);
 | 
						|
  gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (item), "edit-delete");
 | 
						|
  gtk_tool_item_set_tooltip_text (item, "Do not show at all");
 | 
						|
  gtk_tool_item_group_insert (GTK_TOOL_ITEM_GROUP (group), item, -1);
 | 
						|
  gtk_widget_set_no_show_all (GTK_WIDGET (item), TRUE);
 | 
						|
 | 
						|
  item = gtk_tool_button_new (NULL, NULL);
 | 
						|
  gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (item), "view-fullscreen");
 | 
						|
  gtk_tool_item_set_tooltip_text (item, "Expanded this item");
 | 
						|
  gtk_tool_item_group_insert (GTK_TOOL_ITEM_GROUP (group), item, -1);
 | 
						|
  gtk_container_child_set (GTK_CONTAINER (group), GTK_WIDGET (item),
 | 
						|
                           "homogeneous", FALSE,
 | 
						|
                           "expand", TRUE,
 | 
						|
                           NULL);
 | 
						|
 | 
						|
  item = gtk_tool_button_new (NULL, NULL);
 | 
						|
  gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (item), "help-browser");
 | 
						|
  gtk_tool_item_set_tooltip_text (item, "A regular item");
 | 
						|
  gtk_tool_item_group_insert (GTK_TOOL_ITEM_GROUP (group), item, -1);
 | 
						|
}
 |