forked from AuroraMiddleware/gtk
334 lines
11 KiB
C
334 lines
11 KiB
C
/* GTK+ - accessibility implementations
|
|
* Copyright 2001 Sun Microsystems Inc.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <string.h>
|
|
#include <gtk/gtk.h>
|
|
#include "gtkimageaccessible.h"
|
|
#include "gtkimageprivate.h"
|
|
#include "gtkintl.h"
|
|
|
|
struct _GtkImageAccessiblePrivate
|
|
{
|
|
gchar *image_description;
|
|
gchar *stock_name;
|
|
};
|
|
|
|
static void atk_image_interface_init (AtkImageIface *iface);
|
|
|
|
G_DEFINE_TYPE_WITH_CODE (GtkImageAccessible, gtk_image_accessible, GTK_TYPE_WIDGET_ACCESSIBLE,
|
|
G_ADD_PRIVATE (GtkImageAccessible)
|
|
G_IMPLEMENT_INTERFACE (ATK_TYPE_IMAGE, atk_image_interface_init))
|
|
|
|
static void
|
|
gtk_image_accessible_initialize (AtkObject *accessible,
|
|
gpointer data)
|
|
{
|
|
ATK_OBJECT_CLASS (gtk_image_accessible_parent_class)->initialize (accessible, data);
|
|
|
|
accessible->role = ATK_ROLE_ICON;
|
|
}
|
|
|
|
typedef struct {
|
|
const gchar *name;
|
|
const gchar *label;
|
|
} NameMapEntry;
|
|
|
|
static const NameMapEntry name_map[] = {
|
|
{ "help-about", NC_("Stock label", "_About") },
|
|
{ "list-add", NC_("Stock label", "_Add") },
|
|
{ "format-text-bold", NC_("Stock label", "_Bold") },
|
|
{ "media-optical", NC_("Stock label", "_CD-ROM") },
|
|
{ "edit-clear", NC_("Stock label", "_Clear") },
|
|
{ "window-close", NC_("Stock label", "_Close") },
|
|
{ "window-minimize", N_("Minimize") },
|
|
{ "window-maximize", N_("Maximize") },
|
|
{ "window-restore", N_("Restore") },
|
|
{ "edit-copy", NC_("Stock label", "_Copy") },
|
|
{ "edit-cut", NC_("Stock label", "Cu_t") },
|
|
{ "edit-delete", NC_("Stock label", "_Delete") },
|
|
{ "dialog-error", NC_("Stock label", "Error") },
|
|
{ "dialog-information", NC_("Stock label", "Information") },
|
|
{ "dialog-question", NC_("Stock label", "Question") },
|
|
{ "dialog-warning", NC_("Stock label", "Warning") },
|
|
{ "system-run", NC_("Stock label", "_Execute") },
|
|
{ "text-x-generic", NC_("Stock label", "_File") },
|
|
{ "edit-find", NC_("Stock label", "_Find") },
|
|
{ "edit-find-replace", NC_("Stock label", "Find and _Replace") },
|
|
{ "media-floppy", NC_("Stock label", "_Floppy") },
|
|
{ "view-fullscreen", NC_("Stock label", "_Fullscreen") },
|
|
{ "go-bottom", NC_("Stock label, navigation", "_Bottom") },
|
|
{ "go-first", NC_("Stock label, navigation", "_First") },
|
|
{ "go-last", NC_("Stock label, navigation", "_Last") },
|
|
{ "go-top", NC_("Stock label, navigation", "_Top") },
|
|
{ "go-previous", NC_("Stock label, navigation", "_Back") },
|
|
{ "go-down", NC_("Stock label, navigation", "_Down") },
|
|
{ "go-next", NC_("Stock label, navigation", "_Forward") },
|
|
{ "go-up", NC_("Stock label, navigation", "_Up") },
|
|
{ "drive-harddisk", NC_("Stock label", "_Hard Disk") },
|
|
{ "help-contents", NC_("Stock label", "_Help") },
|
|
{ "go-home", NC_("Stock label", "_Home") },
|
|
{ "format-indent-more", NC_("Stock label", "Increase Indent") },
|
|
{ "format-text-italic", NC_("Stock label", "_Italic") },
|
|
{ "go-jump", NC_("Stock label", "_Jump to") },
|
|
{ "format-justify-center", NC_("Stock label", "_Center") },
|
|
{ "format-justify-fill", NC_("Stock label", "_Fill") },
|
|
{ "format-justify-left", NC_("Stock label", "_Left") },
|
|
{ "format-justify-right", NC_("Stock label", "_Right") },
|
|
{ "view-restore", NC_("Stock label", "_Leave Fullscreen") },
|
|
{ "media-seek-forward", NC_("Stock label, media", "_Forward") },
|
|
{ "media-skip-forward", NC_("Stock label, media", "_Next") },
|
|
{ "media-playback-pause", NC_("Stock label, media", "P_ause") },
|
|
{ "media-playback-start", NC_("Stock label, media", "_Play") },
|
|
{ "media-skip-backward", NC_("Stock label, media", "Pre_vious") },
|
|
{ "media-record", NC_("Stock label, media", "_Record") },
|
|
{ "media-seek-backward", NC_("Stock label, media", "R_ewind") },
|
|
{ "media-playback-stop", NC_("Stock label, media", "_Stop") },
|
|
{ "network-idle", NC_("Stock label", "_Network") },
|
|
{ "document-new", NC_("Stock label", "_New") },
|
|
{ "document-open", NC_("Stock label", "_Open") },
|
|
{ "edit-paste", NC_("Stock label", "_Paste") },
|
|
{ "document-print", NC_("Stock label", "_Print") },
|
|
{ "document-print-preview", NC_("Stock label", "Print Pre_view") },
|
|
{ "document-properties", NC_("Stock label", "_Properties") },
|
|
{ "application-exit", NC_("Stock label", "_Quit") },
|
|
{ "edit-redo", NC_("Stock label", "_Redo") },
|
|
{ "view-refresh", NC_("Stock label", "_Refresh") },
|
|
{ "list-remove", NC_("Stock label", "_Remove") },
|
|
{ "document-revert", NC_("Stock label", "_Revert") },
|
|
{ "document-save", NC_("Stock label", "_Save") },
|
|
{ "document-save-as", NC_("Stock label", "Save _As") },
|
|
{ "edit-select-all", NC_("Stock label", "Select _All") },
|
|
{ "view-sort-ascending", NC_("Stock label", "_Ascending") },
|
|
{ "view-sort-descending", NC_("Stock label", "_Descending") },
|
|
{ "tools-check-spelling", NC_("Stock label", "_Spell Check") },
|
|
{ "process-stop", NC_("Stock label", "_Stop") },
|
|
{ "format-text-strikethrough", NC_("Stock label", "_Strikethrough") },
|
|
{ "format-text-underline", NC_("Stock label", "_Underline") },
|
|
{ "edit-undo", NC_("Stock label", "_Undo") },
|
|
{ "format-indent-less", NC_("Stock label", "Decrease Indent") },
|
|
{ "zoom-original", NC_("Stock label", "_Normal Size") },
|
|
{ "zoom-fit-best", NC_("Stock label", "Best _Fit") },
|
|
{ "zoom-in", NC_("Stock label", "Zoom _In") },
|
|
{ "zoom-out", NC_("Stock label", "Zoom _Out") }
|
|
};
|
|
|
|
/* GTK+ internal methods */
|
|
static gchar *
|
|
elide_underscores (const gchar *original)
|
|
{
|
|
gchar *q, *result;
|
|
const gchar *p, *end;
|
|
gsize len;
|
|
gboolean last_underscore;
|
|
|
|
if (!original)
|
|
return NULL;
|
|
|
|
len = strlen (original);
|
|
q = result = g_malloc (len + 1);
|
|
last_underscore = FALSE;
|
|
|
|
end = original + len;
|
|
for (p = original; p < end; p++)
|
|
{
|
|
if (!last_underscore && *p == '_')
|
|
last_underscore = TRUE;
|
|
else
|
|
{
|
|
last_underscore = FALSE;
|
|
if (original + 2 <= p && p + 1 <= end &&
|
|
p[-2] == '(' && p[-1] == '_' && p[0] != '_' && p[1] == ')')
|
|
{
|
|
q--;
|
|
*q = '\0';
|
|
p++;
|
|
}
|
|
else
|
|
*q++ = *p;
|
|
}
|
|
}
|
|
|
|
if (last_underscore)
|
|
*q++ = '_';
|
|
|
|
*q = '\0';
|
|
|
|
return result;
|
|
}
|
|
|
|
static gchar *
|
|
name_from_icon_name (const gchar *icon_name)
|
|
{
|
|
gchar *name;
|
|
const gchar *label;
|
|
gint i;
|
|
|
|
name = g_strdup (icon_name);
|
|
if (g_str_has_suffix (name, "-symbolic"))
|
|
name[strlen (name) - strlen ("-symbolic")] = '\0';
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (name_map); i++)
|
|
{
|
|
if (g_str_equal (name, name_map[i].name))
|
|
{
|
|
label = g_dpgettext2 (GETTEXT_PACKAGE, "Stock label", name_map[i].label);
|
|
g_free (name);
|
|
|
|
return elide_underscores (label);
|
|
}
|
|
}
|
|
|
|
g_free (name);
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
gtk_image_accessible_finalize (GObject *object)
|
|
{
|
|
GtkImageAccessible *aimage = GTK_IMAGE_ACCESSIBLE (object);
|
|
|
|
g_free (aimage->priv->image_description);
|
|
g_free (aimage->priv->stock_name);
|
|
|
|
G_OBJECT_CLASS (gtk_image_accessible_parent_class)->finalize (object);
|
|
}
|
|
|
|
static const gchar *
|
|
gtk_image_accessible_get_name (AtkObject *accessible)
|
|
{
|
|
GtkWidget* widget;
|
|
GtkImage *image;
|
|
GtkImageAccessible *image_accessible;
|
|
const gchar *name;
|
|
GtkImageType storage_type;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
|
|
if (widget == NULL)
|
|
return NULL;
|
|
|
|
name = ATK_OBJECT_CLASS (gtk_image_accessible_parent_class)->get_name (accessible);
|
|
if (name)
|
|
return name;
|
|
|
|
image = GTK_IMAGE (widget);
|
|
image_accessible = GTK_IMAGE_ACCESSIBLE (accessible);
|
|
|
|
g_free (image_accessible->priv->stock_name);
|
|
image_accessible->priv->stock_name = NULL;
|
|
|
|
storage_type = gtk_image_get_storage_type (image);
|
|
|
|
if (storage_type == GTK_IMAGE_ICON_NAME)
|
|
{
|
|
image_accessible->priv->stock_name = name_from_icon_name (gtk_image_get_icon_name (image));
|
|
}
|
|
else if (storage_type == GTK_IMAGE_GICON)
|
|
{
|
|
GIcon *icon;
|
|
const gchar * const *icon_names;
|
|
|
|
icon = gtk_image_get_gicon (image);
|
|
if (G_IS_THEMED_ICON (icon))
|
|
{
|
|
icon_names = g_themed_icon_get_names (G_THEMED_ICON (icon));
|
|
image_accessible->priv->stock_name = name_from_icon_name (icon_names[0]);
|
|
}
|
|
}
|
|
|
|
return image_accessible->priv->stock_name;
|
|
}
|
|
|
|
static void
|
|
gtk_image_accessible_class_init (GtkImageAccessibleClass *klass)
|
|
{
|
|
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
|
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
|
|
|
|
gobject_class->finalize = gtk_image_accessible_finalize;
|
|
class->initialize = gtk_image_accessible_initialize;
|
|
class->get_name = gtk_image_accessible_get_name;
|
|
}
|
|
|
|
static void
|
|
gtk_image_accessible_init (GtkImageAccessible *image)
|
|
{
|
|
image->priv = gtk_image_accessible_get_instance_private (image);
|
|
}
|
|
|
|
static const gchar *
|
|
gtk_image_accessible_get_image_description (AtkImage *image)
|
|
{
|
|
GtkImageAccessible *accessible = GTK_IMAGE_ACCESSIBLE (image);
|
|
|
|
return accessible->priv->image_description;
|
|
}
|
|
|
|
static void
|
|
gtk_image_accessible_get_image_position (AtkImage *image,
|
|
gint *x,
|
|
gint *y,
|
|
AtkCoordType coord_type)
|
|
{
|
|
atk_component_get_extents (ATK_COMPONENT (image), x, y, NULL, NULL,
|
|
coord_type);
|
|
}
|
|
|
|
static void
|
|
gtk_image_accessible_get_image_size (AtkImage *image,
|
|
gint *width,
|
|
gint *height)
|
|
{
|
|
GtkWidget* widget;
|
|
GtkImage *gtk_image;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (image));
|
|
if (widget == NULL)
|
|
{
|
|
*height = -1;
|
|
*width = -1;
|
|
return;
|
|
}
|
|
|
|
gtk_image = GTK_IMAGE (widget);
|
|
|
|
if (gtk_image_get_storage_type (gtk_image) != GTK_IMAGE_EMPTY)
|
|
gtk_image_get_image_size (gtk_image, width, height);
|
|
}
|
|
|
|
static gboolean
|
|
gtk_image_accessible_set_image_description (AtkImage *image,
|
|
const gchar *description)
|
|
{
|
|
GtkImageAccessible* accessible = GTK_IMAGE_ACCESSIBLE (image);
|
|
|
|
g_free (accessible->priv->image_description);
|
|
accessible->priv->image_description = g_strdup (description);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
atk_image_interface_init (AtkImageIface *iface)
|
|
{
|
|
iface->get_image_description = gtk_image_accessible_get_image_description;
|
|
iface->get_image_position = gtk_image_accessible_get_image_position;
|
|
iface->get_image_size = gtk_image_accessible_get_image_size;
|
|
iface->set_image_description = gtk_image_accessible_set_image_description;
|
|
}
|