diff options
Diffstat (limited to 'modules/other/gail/gailimagecell.c')
| -rw-r--r-- | modules/other/gail/gailimagecell.c | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/modules/other/gail/gailimagecell.c b/modules/other/gail/gailimagecell.c new file mode 100644 index 000000000..28f3da7dc --- /dev/null +++ b/modules/other/gail/gailimagecell.c @@ -0,0 +1,207 @@ +/* GAIL - The GNOME Accessibility Enabling Library + * 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, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include <gtk/gtk.h> +#include "gailimagecell.h" + +static void gail_image_cell_class_init (GailImageCellClass *klass); +static void gail_image_cell_object_init (GailImageCell *image_cell); + +static void gail_image_cell_finalize (GObject *object); + +/* AtkImage */ +static void atk_image_interface_init (AtkImageIface *iface); +static G_CONST_RETURN gchar * + gail_image_cell_get_image_description (AtkImage *image); +static gboolean gail_image_cell_set_image_description (AtkImage *image, + const gchar *description); +static void gail_image_cell_get_image_position (AtkImage *image, + gint *x, + gint *y, + AtkCoordType coord_type); +static void gail_image_cell_get_image_size (AtkImage *image, + gint *width, + gint *height); + +/* Misc */ + +static gboolean gail_image_cell_update_cache (GailRendererCell *cell, + gboolean emit_change_signal); + +gchar *gail_image_cell_property_list[] = { + "pixbuf", + NULL +}; + +static gpointer parent_class = NULL; + +GType +gail_image_cell_get_type (void) +{ + static GType type = 0; + + if (!type) + { + static const GTypeInfo tinfo = + { + sizeof (GailImageCellClass), + (GBaseInitFunc) NULL, /* base init */ + (GBaseFinalizeFunc) NULL, /* base finalize */ + (GClassInitFunc) gail_image_cell_class_init, /* class init */ + (GClassFinalizeFunc) NULL, /* class finalize */ + NULL, /* class data */ + sizeof (GailImageCell), /* instance size */ + 0, /* nb preallocs */ + (GInstanceInitFunc) gail_image_cell_object_init, /* instance init */ + NULL /* value table */ + }; + + static const GInterfaceInfo atk_image_info = + { + (GInterfaceInitFunc) atk_image_interface_init, + (GInterfaceFinalizeFunc) NULL, + NULL + }; + + type = g_type_register_static (GAIL_TYPE_RENDERER_CELL, + "GailImageCell", &tinfo, 0); + + g_type_add_interface_static (type, ATK_TYPE_IMAGE, + &atk_image_info); + + } + return type; +} + +static void +gail_image_cell_class_init (GailImageCellClass *klass) +{ + GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + GailRendererCellClass *renderer_cell_class = GAIL_RENDERER_CELL_CLASS(klass); + + parent_class = g_type_class_peek_parent (klass); + + gobject_class->finalize = gail_image_cell_finalize; + + renderer_cell_class->update_cache = gail_image_cell_update_cache; + renderer_cell_class->property_list = gail_image_cell_property_list; +} + +AtkObject* +gail_image_cell_new (void) +{ + GObject *object; + AtkObject *atk_object; + GailRendererCell *cell; + + object = g_object_new (GAIL_TYPE_IMAGE_CELL, NULL); + + g_return_val_if_fail (object != NULL, NULL); + + atk_object = ATK_OBJECT (object); + atk_object->role = ATK_ROLE_TABLE_CELL; + + cell = GAIL_RENDERER_CELL(object); + + cell->renderer = gtk_cell_renderer_pixbuf_new (); + g_object_ref (cell->renderer); + gtk_object_sink (GTK_OBJECT (cell->renderer)); + return atk_object; +} + +static void +gail_image_cell_object_init (GailImageCell *image_cell) +{ + image_cell->image_description = NULL; +} + + +static void +gail_image_cell_finalize (GObject *object) +{ + GailImageCell *image_cell = GAIL_IMAGE_CELL (object); + + g_free (image_cell->image_description); + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static gboolean +gail_image_cell_update_cache (GailRendererCell *cell, + gboolean emit_change_signal) +{ + return FALSE; +} + +static void +atk_image_interface_init (AtkImageIface *iface) +{ + iface->get_image_description = gail_image_cell_get_image_description; + iface->set_image_description = gail_image_cell_set_image_description; + iface->get_image_position = gail_image_cell_get_image_position; + iface->get_image_size = gail_image_cell_get_image_size; +} + +static G_CONST_RETURN gchar * +gail_image_cell_get_image_description (AtkImage *image) +{ + GailImageCell *image_cell; + + image_cell = GAIL_IMAGE_CELL (image); + return image_cell->image_description; +} + +static gboolean +gail_image_cell_set_image_description (AtkImage *image, + const gchar *description) +{ + GailImageCell *image_cell; + + image_cell = GAIL_IMAGE_CELL (image); + g_free (image_cell->image_description); + image_cell->image_description = g_strdup (description); + if (image_cell->image_description) + return TRUE; + else + return FALSE; +} + +static void +gail_image_cell_get_image_position (AtkImage *image, + gint *x, + gint *y, + AtkCoordType coord_type) +{ + atk_component_get_position (ATK_COMPONENT (image), x, y, coord_type); +} + +static void +gail_image_cell_get_image_size (AtkImage *image, + gint *width, + gint *height) +{ + GailImageCell *cell = GAIL_IMAGE_CELL (image); + GtkCellRenderer *cell_renderer; + GdkPixbuf *pixbuf; + + cell_renderer = GAIL_RENDERER_CELL (cell)->renderer; + pixbuf = GTK_CELL_RENDERER_PIXBUF (cell_renderer)->pixbuf; + + *width = gdk_pixbuf_get_width (pixbuf); + *height = gdk_pixbuf_get_height (pixbuf); +} |