C++ (Cpp) gm_cell_renderer_expander_get_size示例

示例#1

文件： gmcellrendererexpander.c 项目： Pobegunchik/ekiga

static void
gm_cell_renderer_expander_render (GtkCellRenderer      *cell,
                                  GdkWindow            *window,
                                  GtkWidget            *widget,
                                  GdkRectangle         *background_area,
                                  GdkRectangle         *cell_area,
                                  GdkRectangle         *expose_area,
                                  G_GNUC_UNUSED GtkCellRendererState  flags)
{
  GmCellRendererExpander     *expander;
  GmCellRendererExpanderPriv *priv;
  GtkExpanderStyle                expander_style;
  gint                            x_offset, y_offset;
  guint xpad, ypad;
  GtkAllocation allocation;

  expander = (GmCellRendererExpander*) cell;
  priv = GET_PRIV (expander);
  g_object_get (G_OBJECT (cell),
		"xpad", &xpad,
		"ypad", &ypad,
		NULL);
  gtk_widget_get_allocation (widget, &allocation);

  if (priv->animation_node) {
    GtkTreePath *path;
    GdkRectangle rect;

    /* Not sure if I like this ... */
    path = gtk_tree_row_reference_get_path (priv->animation_node);
    gtk_tree_view_get_background_area (priv->animation_view, path,
                                       NULL, &rect);
    gtk_tree_path_free (path);

    if (background_area->y == rect.y)
      expander_style = priv->animation_style;
    else
      expander_style = priv->expander_style;
  } else
    expander_style = priv->expander_style;

  gm_cell_renderer_expander_get_size (cell, widget, cell_area,
                                      &x_offset, &y_offset,
                                      NULL, NULL);

  gtk_paint_expander (gtk_widget_get_style (widget),
                      window,
                      GTK_STATE_NORMAL,
                      expose_area,
                      widget,
                      "treeview",
                      cell_area->x + x_offset + xpad + priv->expander_size / 2,
                      cell_area->y + y_offset + ypad + priv->expander_size / 2,
                      expander_style);
  gtk_paint_hline (gtk_widget_get_style (widget), window, GTK_STATE_NORMAL, NULL, widget, NULL, 0,
                   allocation.width, cell_area->y + cell_area->height);
}

示例#2

文件： gmcellrendererexpander.c 项目： Klom/ekiga

static void
gm_cell_renderer_expander_render (GtkCellRenderer                    *cell,
				  cairo_t                            *cr,
				  GtkWidget                          *widget,
				  G_GNUC_UNUSED const GdkRectangle   *background_area,
				  const GdkRectangle                 *cell_area,
				  GtkCellRendererState               flags)
{
	GmCellRendererExpander     *expander;
	GmCellRendererExpanderPriv *priv;
	gint                            x_offset, y_offset;
	guint                           xpad, ypad;
	GtkStyleContext                 *style;
	GtkStateFlags                    state;

	expander = (GmCellRendererExpander *) cell;
	priv = expander->priv;

	gm_cell_renderer_expander_get_size (cell, widget,
						(GdkRectangle *) cell_area,
						&x_offset, &y_offset,
						NULL, NULL);

	g_object_get (cell,
		      "xpad", &xpad,
		      "ypad", &ypad,
		      NULL);

	style = gtk_widget_get_style_context (widget);

	gtk_style_context_save (style);
	gtk_style_context_add_class (style, GTK_STYLE_CLASS_EXPANDER);

	state = gtk_cell_renderer_get_state (cell, widget, flags);

	if (priv->expander_style == GTK_EXPANDER_COLLAPSED)
		state |= GTK_STATE_FLAG_NORMAL;
	else
		state |= GTK_STATE_FLAG_ACTIVE;

	gtk_style_context_set_state (style, state);

	gtk_render_expander (style,
			     cr,
			     cell_area->x + x_offset + xpad,
			     cell_area->y + y_offset + ypad,
			     priv->expander_size,
			     priv->expander_size);

	gtk_style_context_restore (style);
}