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Shell: Make ShellSearchRenderer accessible

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Since GtkIconViews a11y implementation only takes text from
GtkCellRendererText::text, derive ShellSearchRenderer from
GtkCellRendererText and set the text property. Now orca
reads the search results nicely.
This commit is contained in:
Matthias Clasen 2011-05-16 00:52:07 -04:00
parent 4838efab11
commit bb858701a3
2 changed files with 60 additions and 13 deletions
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69
shell/shell-search-renderer.c
View file

@ -21,7 +21,7 @@
#include "shell-search-renderer.h"
#include <string.h>
G_DEFINE_TYPE (ShellSearchRenderer, shell_search_renderer, GTK_TYPE_CELL_RENDERER)
G_DEFINE_TYPE (ShellSearchRenderer, shell_search_renderer, GTK_TYPE_CELL_RENDERER_TEXT)
#define SEARCH_RENDERER_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE ((o), SHELL_TYPE_SEARCH_RENDERER, ShellSearchRendererPrivate))
@ -75,6 +75,8 @@ shell_search_renderer_set_property (GObject *object,
case PROP_TITLE:
g_free (priv->title);
priv->title = g_value_dup_string (value);
/* set GtkCellRendererText::text for a11y */
g_object_set (object, "text", priv->title, NULL);
break;
case PROP_SEARCH_TARGET:
@ -200,13 +202,10 @@ shell_search_renderer_set_layout (ShellSearchRenderer *cell, GtkWidget *widget)
}
static void
shell_search_renderer_get_size (GtkCellRenderer *cell,
GtkWidget *widget,
const GdkRectangle *cell_area,
gint *x_offset,
gint *y_offset,
gint *width,
gint *height)
get_size (GtkCellRenderer *cell,
GtkWidget *widget,
gint *width,
gint *height)
{
ShellSearchRendererPrivate *priv = SHELL_SEARCH_RENDERER (cell)->priv;
PangoRectangle rect;
@ -218,10 +217,54 @@ shell_search_renderer_get_size (GtkCellRenderer *cell,
if (width) *width = rect.width;
if (height) *height = rect.height;
}
if (x_offset) *x_offset = 0;
if (y_offset) *y_offset = 0;
static void
shell_search_renderer_get_preferred_width (GtkCellRenderer *cell,
GtkWidget *widget,
gint *minimum_size,
gint *natural_size)
{
gint width;
get_size (cell, widget, &width, NULL);
if (minimum_size) *minimum_size = width;
if (natural_size) *natural_size = width;
}
static void
shell_search_renderer_get_preferred_height (GtkCellRenderer *cell,
GtkWidget *widget,
gint *minimum_size,
gint *natural_size)
{
gint height;
get_size (cell, widget, NULL, &height);
if (minimum_size) *minimum_size = height;
if (natural_size) *natural_size = height;
}
static void
shell_search_renderer_get_preferred_height_for_width (GtkCellRenderer *cell,
GtkWidget *widget,
gint width,
gint *minimum_height,
gint *natural_height)
{
shell_search_renderer_get_preferred_height (cell, widget, minimum_height, natural_height);
}
static void
shell_search_renderer_get_aligned_area (GtkCellRenderer *cell,
GtkWidget *widget,
GtkCellRendererState flags,
const GdkRectangle *cell_area,
GdkRectangle *aligned_area)
{
get_size (cell, widget, &aligned_area->width, &aligned_area->height);
aligned_area->x = cell_area->x;
aligned_area->y = cell_area->y;
}
static void
@ -262,7 +305,11 @@ shell_search_renderer_class_init (ShellSearchRendererClass *klass)
object_class->dispose = shell_search_renderer_dispose;
object_class->finalize = shell_search_renderer_finalize;
cell_renderer->get_size = shell_search_renderer_get_size;
cell_renderer->get_preferred_width = shell_search_renderer_get_preferred_width;
cell_renderer->get_preferred_height = shell_search_renderer_get_preferred_height;
cell_renderer->get_preferred_height_for_width = shell_search_renderer_get_preferred_height_for_width;
cell_renderer->get_aligned_area = shell_search_renderer_get_aligned_area;
cell_renderer->render = shell_search_renderer_render;
pspec = g_param_spec_string ("title",

4
shell/shell-search-renderer.h
View file

@ -55,14 +55,14 @@ typedef struct _ShellSearchRendererPrivate ShellSearchRendererPrivate;
struct _ShellSearchRenderer
{
GtkCellRenderer parent;
GtkCellRendererText parent;
ShellSearchRendererPrivate *priv;
};
struct _ShellSearchRendererClass
{
GtkCellRendererClass parent_class;
GtkCellRendererTextClass parent_class;
};
GType shell_search_renderer_get_type (void) G_GNUC_CONST;