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