//________________________________________________________________________________
 void ComboBoxData::updateCellViewColor( void ) const
 {
     // change background color
     if( _cell._widget )
     {
         const GdkRGBA color = { 0, 0, 0, 0 };
         gtk_cell_view_set_background_rgba( GTK_CELL_VIEW( _cell._widget ), &color );
     }
 }
Esempio n. 2
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static void
gtk_cell_view_set_property (GObject      *object,
                            guint         param_id,
                            const GValue *value,
                            GParamSpec   *pspec)
{
  GtkCellView *view = GTK_CELL_VIEW (object);
  GtkCellViewPrivate *priv = view->priv;
  GtkCellArea *area;
  GtkCellAreaContext *context;

  switch (param_id)
    {
    case PROP_ORIENTATION:
      priv->orientation = g_value_get_enum (value);
      if (priv->context)
        gtk_cell_area_context_reset (priv->context);

      _gtk_orientable_set_style_classes (GTK_ORIENTABLE (object));
      break;
    case PROP_BACKGROUND:
      {
	GdkColor color;
	
	if (!g_value_get_string (value))
	  gtk_cell_view_set_background_color (view, NULL);
	else if (gdk_color_parse (g_value_get_string (value), &color))
	  gtk_cell_view_set_background_color (view, &color);
	else
	  g_warning ("Don't know color `%s'", g_value_get_string (value));
	
	g_object_notify (object, "background-gdk");
      }
      break;
    case PROP_BACKGROUND_GDK:
      gtk_cell_view_set_background_color (view, g_value_get_boxed (value));
      break;
    case PROP_BACKGROUND_RGBA:
      gtk_cell_view_set_background_rgba (view, g_value_get_boxed (value));
      break;
    case PROP_BACKGROUND_SET:
      view->priv->background_set = g_value_get_boolean (value);
      break;
    case PROP_MODEL:
      gtk_cell_view_set_model (view, g_value_get_object (value));
      break;
    case PROP_CELL_AREA:
      /* Construct-only, can only be assigned once */
      area = g_value_get_object (value);

      if (area)
        {
          if (priv->area != NULL)
            {
              g_warning ("cell-area has already been set, ignoring construct property");
              g_object_ref_sink (area);
              g_object_unref (area);
            }
          else
            priv->area = g_object_ref_sink (area);
        }
      break;
    case PROP_CELL_AREA_CONTEXT:
      /* Construct-only, can only be assigned once */
      context = g_value_get_object (value);

      if (context)
        {
          if (priv->context != NULL)
            {
              g_warning ("cell-area-context has already been set, ignoring construct property");
              g_object_ref_sink (context);
              g_object_unref (context);
            }
          else
            priv->context = g_object_ref (context);
        }
      break;

    case PROP_DRAW_SENSITIVE:
      gtk_cell_view_set_draw_sensitive (view, g_value_get_boolean (value));
      break;

    case PROP_FIT_MODEL:
      gtk_cell_view_set_fit_model (view, g_value_get_boolean (value));
      break;

    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
        break;
    }
}
Esempio n. 3
0
int
main (int argc, char **argv)
{
        GtkWidget *window, *cellview, *mainbox;
        GtkWidget *combobox, *comboboxtext, *comboboxgrid;
        GtkWidget *tmp, *boom;
        GtkCellRenderer *renderer;
        GtkTreeModel *model;
	GtkTreePath *path;
	GtkTreeIter iter;
	GdkRGBA color;
	GtkCellArea *area;
        gchar *text;
        gint i;

        gtk_init (&argc, &argv);

	if (g_getenv ("RTL"))
	  gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);

	if (g_getenv ("LISTMODE"))
	  {
	    GtkCssProvider *provider = gtk_css_provider_new ();

	    gtk_css_provider_load_from_data (provider,
					     "* { -GtkComboBox-appears-as-list: true; }", 
					     -1, NULL);

	    gtk_style_context_add_provider_for_screen (gdk_screen_get_default (),
						       GTK_STYLE_PROVIDER (provider),
						       GTK_STYLE_PROVIDER_PRIORITY_FALLBACK);

	  }

        window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
        gtk_container_set_border_width (GTK_CONTAINER (window), 5);
        g_signal_connect (window, "destroy", gtk_main_quit, NULL);

        mainbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
        gtk_container_add (GTK_CONTAINER (window), mainbox);

        /* GtkCellView */
        tmp = gtk_frame_new ("GtkCellView");
        gtk_box_pack_start (GTK_BOX (mainbox), tmp, FALSE, FALSE, 0);

        boom = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
        gtk_container_set_border_width (GTK_CONTAINER (boom), 5);
        gtk_container_add (GTK_CONTAINER (tmp), boom);

        cellview = gtk_cell_view_new ();
        renderer = gtk_cell_renderer_pixbuf_new ();
        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (cellview),
                                    renderer,
                                    FALSE);
        g_object_set (renderer, "icon-name", "dialog-warning", NULL);

        renderer = gtk_cell_renderer_text_new ();
        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (cellview),
                                    renderer,
                                    TRUE);
        g_object_set (renderer, "text", "la la la", NULL);
        gtk_container_add (GTK_CONTAINER (boom), cellview);

        /* GtkComboBox list */
        tmp = gtk_frame_new ("GtkComboBox (list)");
        gtk_box_pack_start (GTK_BOX (mainbox), tmp, FALSE, FALSE, 0);

        boom = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
        gtk_container_set_border_width (GTK_CONTAINER (boom), 5);
        gtk_container_add (GTK_CONTAINER (tmp), boom);

        model = create_list_blaat ();
        combobox = gtk_combo_box_new_with_model (model);
        g_object_unref (model);
        gtk_container_add (GTK_CONTAINER (boom), combobox);

        renderer = gtk_cell_renderer_pixbuf_new ();
        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combobox),
                                    renderer,
                                    FALSE);
        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combobox), renderer,
                                        "icon-name", 0,
                                        NULL);
	gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combobox),
					    renderer,
					    set_sensitive,
					    NULL, NULL);

        renderer = gtk_cell_renderer_text_new ();
        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combobox),
                                    renderer,
                                    TRUE);
        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combobox), renderer,
                                        "text", 1,
                                        NULL);
	gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combobox),
					    renderer,
					    set_sensitive,
					    NULL, NULL);
	gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (combobox), 
					      is_separator, NULL, NULL);
						
        gtk_combo_box_set_active (GTK_COMBO_BOX (combobox), 0);

        /* GtkComboBox dynamic list */
        tmp = gtk_frame_new ("GtkComboBox (dynamic list)");
        gtk_box_pack_start (GTK_BOX (mainbox), tmp, FALSE, FALSE, 0);

        boom = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
        gtk_container_set_border_width (GTK_CONTAINER (boom), 5);
        gtk_container_add (GTK_CONTAINER (tmp), boom);

        model = create_empty_list_blaat ();
        combobox = gtk_combo_box_new_with_model (model);
	g_signal_connect (combobox, "notify::popup-shown", 
			  G_CALLBACK (populate_list_blaat), combobox);

        g_object_unref (model);
        gtk_container_add (GTK_CONTAINER (boom), combobox);

        renderer = gtk_cell_renderer_pixbuf_new ();
        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combobox),
                                    renderer,
                                    FALSE);
        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combobox), renderer,
                                        "icon-name", 0,
                                        NULL);
	gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combobox),
					    renderer,
					    set_sensitive,
					    NULL, NULL);

        renderer = gtk_cell_renderer_text_new ();
        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combobox),
                                    renderer,
                                    TRUE);
        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combobox), renderer,
                                        "text", 1,
                                        NULL);
	gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combobox),
					    renderer,
					    set_sensitive,
					    NULL, NULL);
	gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (combobox), 
					      is_separator, NULL, NULL);
						
        gtk_combo_box_set_active (GTK_COMBO_BOX (combobox), 0);

        /* GtkComboBox custom entry */
        tmp = gtk_frame_new ("GtkComboBox (custom)");
        gtk_box_pack_start (GTK_BOX (mainbox), tmp, FALSE, FALSE, 0);

        boom = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
        gtk_container_set_border_width (GTK_CONTAINER (boom), 5);
        gtk_container_add (GTK_CONTAINER (tmp), boom);

        model = create_list_blaat ();
        combobox = gtk_combo_box_new_with_model (model);
        g_object_unref (model);
        gtk_container_add (GTK_CONTAINER (boom), combobox);

        renderer = gtk_cell_renderer_pixbuf_new ();
        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combobox),
                                    renderer,
                                    FALSE);
        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combobox), renderer,
                                        "icon-name", 0,
                                        NULL);
	gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combobox),
					    renderer,
					    set_sensitive,
					    NULL, NULL);

        renderer = gtk_cell_renderer_text_new ();
        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combobox),
                                    renderer,
                                    TRUE);
        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combobox), renderer,
                                        "text", 1,
                                        NULL);
	gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combobox),
					    renderer,
					    set_sensitive,
					    NULL, NULL);
	gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (combobox), 
					      is_separator, NULL, NULL);
						
        gtk_combo_box_set_active (GTK_COMBO_BOX (combobox), 0);

        tmp = gtk_cell_view_new ();
        gtk_widget_show (tmp);
        gtk_cell_view_set_model (GTK_CELL_VIEW (tmp), model);

        renderer = gtk_cell_renderer_text_new ();
        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (tmp), renderer, TRUE);
        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (tmp), renderer,
                                        "text", 1,
                                        NULL);
        color.red = 1.0;
        color.blue = 1.0;
        color.green = 0;
        color.alpha = 1.0;
        gtk_cell_view_set_background_rgba (GTK_CELL_VIEW (tmp), &color);
        displayed_row_changed (GTK_COMBO_BOX (combobox), GTK_CELL_VIEW (tmp));
        g_signal_connect (combobox, "changed", G_CALLBACK (displayed_row_changed), tmp); 
           
        gtk_container_add (GTK_CONTAINER (combobox), tmp);

        /* GtkComboBox tree */
        tmp = gtk_frame_new ("GtkComboBox (tree)");
        gtk_box_pack_start (GTK_BOX (mainbox), tmp, FALSE, FALSE, 0);

        boom = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
        gtk_container_set_border_width (GTK_CONTAINER (boom), 5);
        gtk_container_add (GTK_CONTAINER (tmp), boom);

        model = create_tree_blaat ();
        combobox = gtk_combo_box_new_with_model (model);
        g_object_unref (model);
        gtk_container_add (GTK_CONTAINER (boom), combobox);

        renderer = gtk_cell_renderer_pixbuf_new ();
        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combobox),
                                    renderer,
                                    FALSE);
        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combobox), renderer,
                                        "icon-name", 0,
                                        NULL);
	gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combobox),
					    renderer,
					    set_sensitive,
					    NULL, NULL);

        renderer = gtk_cell_renderer_text_new ();
        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combobox),
                                    renderer,
                                    TRUE);
        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combobox), renderer,
                                        "text", 1,
                                        NULL);
	gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combobox),
					    renderer,
					    set_sensitive,
					    NULL, NULL);
	gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (combobox), 
					      is_separator, NULL, NULL);
						
        gtk_combo_box_set_active (GTK_COMBO_BOX (combobox), 0);
#if 0
	g_timeout_add (1000, (GSourceFunc) animation_timer, model);
#endif

        /* GtkComboBox (grid mode) */
        tmp = gtk_frame_new ("GtkComboBox (grid mode)");
        gtk_box_pack_start (GTK_BOX (mainbox), tmp, FALSE, FALSE, 0);

        boom = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
        gtk_container_set_border_width (GTK_CONTAINER (boom), 5);
        gtk_container_add (GTK_CONTAINER (tmp), boom);

        comboboxgrid = create_combo_box_grid_demo ();
        gtk_box_pack_start (GTK_BOX (boom), comboboxgrid, FALSE, FALSE, 0);


        /* GtkComboBoxEntry */
        tmp = gtk_frame_new ("GtkComboBox with entry");
        gtk_box_pack_start (GTK_BOX (mainbox), tmp, FALSE, FALSE, 0);

        boom = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
        gtk_container_set_border_width (GTK_CONTAINER (boom), 5);
        gtk_container_add (GTK_CONTAINER (tmp), boom);

        comboboxtext = gtk_combo_box_text_new_with_entry ();
        setup_combo_entry (GTK_COMBO_BOX_TEXT (comboboxtext));
        gtk_container_add (GTK_CONTAINER (boom), comboboxtext);


        /* Phylogenetic tree */
        tmp = gtk_frame_new ("What are you ?");
        gtk_box_pack_start (GTK_BOX (mainbox), tmp, FALSE, FALSE, 0);

        boom = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
        gtk_container_set_border_width (GTK_CONTAINER (boom), 5);
        gtk_container_add (GTK_CONTAINER (tmp), boom);

        model = create_phylogenetic_tree ();
        combobox = gtk_combo_box_new_with_model (model);
        g_object_unref (model);
        gtk_container_add (GTK_CONTAINER (boom), combobox);

        renderer = gtk_cell_renderer_text_new ();
        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combobox),
                                    renderer,
                                    TRUE);
        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combobox), renderer,
                                        "text", 0,
                                        NULL);
	
        gtk_combo_box_set_active (GTK_COMBO_BOX (combobox), 0);

        /* Capitals */
        tmp = gtk_frame_new ("Where are you ?");
        gtk_box_pack_start (GTK_BOX (mainbox), tmp, FALSE, FALSE, 0);

        boom = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
        gtk_container_set_border_width (GTK_CONTAINER (boom), 5);
        gtk_container_add (GTK_CONTAINER (tmp), boom);

        model = create_capital_tree ();
	combobox = gtk_combo_box_new_with_model (model);
        g_object_unref (model);
        gtk_container_add (GTK_CONTAINER (boom), combobox);
        renderer = gtk_cell_renderer_text_new ();
        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combobox),
                                    renderer,
                                    TRUE);
        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combobox), renderer,
                                        "text", 0,
                                        NULL);
	gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combobox),
					    renderer,
					    capital_sensitive,
					    NULL, NULL);
	path = gtk_tree_path_new_from_indices (0, 8, -1);
	gtk_tree_model_get_iter (model, &iter, path);
	gtk_tree_path_free (path);
        gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combobox), &iter);

#if 1
	gdk_threads_add_timeout (1000, (GSourceFunc) capital_animation, model);
#endif

        /* Aligned Food */
        tmp = gtk_frame_new ("Hungry ?");
        gtk_box_pack_start (GTK_BOX (mainbox), tmp, FALSE, FALSE, 0);

        boom = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
        gtk_container_set_border_width (GTK_CONTAINER (boom), 5);
        gtk_container_add (GTK_CONTAINER (tmp), boom);

        model = create_food_list ();
	combobox = gtk_combo_box_new_with_model (model);
        g_object_unref (model);
        gtk_container_add (GTK_CONTAINER (boom), combobox);

	area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (combobox));

        renderer = gtk_cell_renderer_text_new ();
	gtk_cell_area_add_with_properties (area, renderer, 
					   "align", TRUE, 
					   "expand", TRUE, 
					   NULL);
        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combobox), renderer,
                                        "text", 0,
                                        NULL);

        renderer = gtk_cell_renderer_text_new ();
	gtk_cell_area_add_with_properties (area, renderer, 
					   "align", TRUE, 
					   "expand", TRUE, 
					   NULL);
        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combobox), renderer,
                                        "text", 1,
                                        NULL);

        gtk_combo_box_set_active (GTK_COMBO_BOX (combobox), 0);

	/* Ellipsizing growing combos */
        tmp = gtk_frame_new ("Unconstrained Menu");
        gtk_box_pack_start (GTK_BOX (mainbox), tmp, FALSE, FALSE, 0);

        boom = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
        gtk_container_set_border_width (GTK_CONTAINER (boom), 5);
        gtk_container_add (GTK_CONTAINER (tmp), boom);

	model = create_list_long ();
	combobox = gtk_combo_box_new_with_model (model);
        g_object_unref (model);
        gtk_container_add (GTK_CONTAINER (boom), combobox);
        renderer = gtk_cell_renderer_text_new ();
	g_object_set (G_OBJECT (renderer), "ellipsize", PANGO_ELLIPSIZE_END, NULL);

        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combobox), renderer, TRUE);
        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combobox), renderer,
                                        "text", 0, NULL);
        gtk_combo_box_set_active (GTK_COMBO_BOX (combobox), 0);
	gtk_combo_box_set_popup_fixed_width (GTK_COMBO_BOX (combobox), FALSE);

        tmp = gtk_frame_new ("Looong");
        gtk_box_pack_start (GTK_BOX (mainbox), tmp, FALSE, FALSE, 0);
        combobox = gtk_combo_box_text_new ();
        for (i = 0; i < 200; i++)
          {
            text = g_strdup_printf ("Item %d", i);
            gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combobox), text);
            g_free (text);
          }
        gtk_combo_box_set_active (GTK_COMBO_BOX (combobox), 53);
        gtk_container_add (GTK_CONTAINER (tmp), combobox);

        gtk_widget_show_all (window);

        gtk_main ();

        return 0;
}