forked from AuroraMiddleware/gtk
1564 lines
45 KiB
C
1564 lines
45 KiB
C
/* GTK+ - accessibility implementations
|
|
* Copyright (C) 2002, 2004 Anders Carlsson <andersca@gnu.org>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "gtkiconviewaccessibleprivate.h"
|
|
|
|
#include <string.h>
|
|
|
|
#include "gtk/gtkadjustment.h"
|
|
#include "gtk/gtkiconviewprivate.h"
|
|
#include "gtk/gtkcellrendererpixbuf.h"
|
|
#include "gtk/gtkcellrenderertext.h"
|
|
#include "gtk/gtkpango.h"
|
|
#include "gtk/gtkwidgetprivate.h"
|
|
|
|
#define GTK_TYPE_ICON_VIEW_ITEM_ACCESSIBLE (_gtk_icon_view_item_accessible_get_type ())
|
|
#define GTK_ICON_VIEW_ITEM_ACCESSIBLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_ICON_VIEW_ITEM_ACCESSIBLE, GtkIconViewItemAccessible))
|
|
#define GTK_IS_ICON_VIEW_ITEM_ACCESSIBLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_ICON_VIEW_ITEM_ACCESSIBLE))
|
|
|
|
struct _GtkIconViewAccessiblePrivate
|
|
{
|
|
GList *items;
|
|
GtkTreeModel *model;
|
|
};
|
|
|
|
typedef struct
|
|
{
|
|
AtkObject parent;
|
|
|
|
GtkIconViewItem *item;
|
|
GtkWidget *widget;
|
|
AtkStateSet *state_set;
|
|
gchar *text;
|
|
gchar *action_description;
|
|
gchar *image_description;
|
|
guint action_idle_handler;
|
|
} GtkIconViewItemAccessible;
|
|
|
|
typedef struct
|
|
{
|
|
AtkObjectClass parent_class;
|
|
|
|
} GtkIconViewItemAccessibleClass;
|
|
|
|
GType _gtk_icon_view_item_accessible_get_type (void);
|
|
|
|
static gboolean gtk_icon_view_item_accessible_is_showing (GtkIconViewItemAccessible *item);
|
|
|
|
static void atk_component_item_interface_init (AtkComponentIface *iface);
|
|
static void atk_action_item_interface_init (AtkActionIface *iface);
|
|
static void atk_text_item_interface_init (AtkTextIface *iface);
|
|
static void atk_image_item_interface_init (AtkImageIface *iface);
|
|
|
|
G_DEFINE_TYPE_WITH_CODE (GtkIconViewItemAccessible, _gtk_icon_view_item_accessible, ATK_TYPE_OBJECT,
|
|
G_IMPLEMENT_INTERFACE (ATK_TYPE_COMPONENT, atk_component_item_interface_init)
|
|
G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, atk_action_item_interface_init)
|
|
G_IMPLEMENT_INTERFACE (ATK_TYPE_TEXT, atk_text_item_interface_init)
|
|
G_IMPLEMENT_INTERFACE (ATK_TYPE_IMAGE, atk_image_item_interface_init))
|
|
|
|
|
|
static gboolean
|
|
idle_do_action (gpointer data)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
GtkIconView *icon_view;
|
|
GtkTreePath *path;
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (data);
|
|
item->action_idle_handler = 0;
|
|
|
|
if (item->widget != NULL)
|
|
{
|
|
icon_view = GTK_ICON_VIEW (item->widget);
|
|
path = gtk_tree_path_new_from_indices (item->item->index, -1);
|
|
gtk_icon_view_item_activated (icon_view, path);
|
|
gtk_tree_path_free (path);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_icon_view_item_accessible_do_action (AtkAction *action,
|
|
gint i)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
|
|
if (i != 0)
|
|
return FALSE;
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (action);
|
|
|
|
if (!GTK_IS_ICON_VIEW (item->widget))
|
|
return FALSE;
|
|
|
|
if (atk_state_set_contains_state (item->state_set, ATK_STATE_DEFUNCT))
|
|
return FALSE;
|
|
|
|
if (!item->action_idle_handler)
|
|
{
|
|
item->action_idle_handler = g_idle_add (idle_do_action, item);
|
|
g_source_set_name_by_id (item->action_idle_handler, "[gtk] idle_do_action");
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gint
|
|
gtk_icon_view_item_accessible_get_n_actions (AtkAction *action)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
static const gchar *
|
|
gtk_icon_view_item_accessible_get_description (AtkAction *action,
|
|
gint i)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
|
|
if (i != 0)
|
|
return NULL;
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (action);
|
|
|
|
if (item->action_description)
|
|
return item->action_description;
|
|
else
|
|
return "Activate item";
|
|
}
|
|
|
|
static const gchar *
|
|
gtk_icon_view_item_accessible_get_name (AtkAction *action,
|
|
gint i)
|
|
{
|
|
if (i != 0)
|
|
return NULL;
|
|
|
|
return "activate";
|
|
}
|
|
|
|
static gboolean
|
|
gtk_icon_view_item_accessible_set_description (AtkAction *action,
|
|
gint i,
|
|
const gchar *description)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
|
|
if (i != 0)
|
|
return FALSE;
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (action);
|
|
|
|
g_free (item->action_description);
|
|
item->action_description = g_strdup (description);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
atk_action_item_interface_init (AtkActionIface *iface)
|
|
{
|
|
iface->do_action = gtk_icon_view_item_accessible_do_action;
|
|
iface->set_description = gtk_icon_view_item_accessible_set_description;
|
|
iface->get_name = gtk_icon_view_item_accessible_get_name;
|
|
iface->get_n_actions = gtk_icon_view_item_accessible_get_n_actions;
|
|
iface->get_description = gtk_icon_view_item_accessible_get_description;
|
|
}
|
|
|
|
static const gchar *
|
|
gtk_icon_view_item_accessible_get_image_description (AtkImage *image)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (image);
|
|
|
|
return item->image_description;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_icon_view_item_accessible_set_image_description (AtkImage *image,
|
|
const gchar *description)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (image);
|
|
|
|
g_free (item->image_description);
|
|
item->image_description = g_strdup (description);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
typedef struct {
|
|
GdkRectangle box;
|
|
gboolean pixbuf_found;
|
|
} GetPixbufBoxData;
|
|
|
|
static gboolean
|
|
get_pixbuf_foreach (GtkCellRenderer *renderer,
|
|
const GdkRectangle *cell_area,
|
|
const GdkRectangle *cell_background,
|
|
GetPixbufBoxData *data)
|
|
{
|
|
if (GTK_IS_CELL_RENDERER_PIXBUF (renderer))
|
|
{
|
|
data->box = *cell_area;
|
|
data->pixbuf_found = TRUE;
|
|
}
|
|
return (data->pixbuf_found != FALSE);
|
|
}
|
|
|
|
static gboolean
|
|
get_pixbuf_box (GtkIconView *icon_view,
|
|
GtkIconViewItem *item,
|
|
GdkRectangle *box)
|
|
{
|
|
GetPixbufBoxData data = { { 0, }, FALSE };
|
|
GtkCellAreaContext *context;
|
|
|
|
context = g_ptr_array_index (icon_view->priv->row_contexts, item->row);
|
|
|
|
_gtk_icon_view_set_cell_data (icon_view, item);
|
|
gtk_cell_area_foreach_alloc (icon_view->priv->cell_area, context,
|
|
GTK_WIDGET (icon_view),
|
|
&item->cell_area, &item->cell_area,
|
|
(GtkCellAllocCallback)get_pixbuf_foreach, &data);
|
|
|
|
*box = data.box;
|
|
|
|
return data.pixbuf_found;
|
|
}
|
|
|
|
static gboolean
|
|
get_text_foreach (GtkCellRenderer *renderer,
|
|
gchar **text)
|
|
{
|
|
if (GTK_IS_CELL_RENDERER_TEXT (renderer))
|
|
{
|
|
g_object_get (renderer, "text", text, NULL);
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
static gchar *
|
|
get_text (GtkIconView *icon_view,
|
|
GtkIconViewItem *item)
|
|
{
|
|
gchar *text = NULL;
|
|
|
|
_gtk_icon_view_set_cell_data (icon_view, item);
|
|
gtk_cell_area_foreach (icon_view->priv->cell_area,
|
|
(GtkCellCallback)get_text_foreach, &text);
|
|
|
|
return text;
|
|
}
|
|
|
|
static void
|
|
gtk_icon_view_item_accessible_get_image_size (AtkImage *image,
|
|
gint *width,
|
|
gint *height)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
GdkRectangle box;
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (image);
|
|
|
|
if (!GTK_IS_ICON_VIEW (item->widget))
|
|
return;
|
|
|
|
if (atk_state_set_contains_state (item->state_set, ATK_STATE_DEFUNCT))
|
|
return;
|
|
|
|
*width = 0;
|
|
*height = 0;
|
|
|
|
if (get_pixbuf_box (GTK_ICON_VIEW (item->widget), item->item, &box))
|
|
{
|
|
*width = box.width;
|
|
*height = box.height;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_icon_view_item_accessible_get_image_position (AtkImage *image,
|
|
gint *x,
|
|
gint *y,
|
|
AtkCoordType coord_type)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
GdkRectangle box;
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (image);
|
|
|
|
if (!GTK_IS_ICON_VIEW (item->widget))
|
|
return;
|
|
|
|
if (atk_state_set_contains_state (item->state_set, ATK_STATE_DEFUNCT))
|
|
return;
|
|
|
|
atk_component_get_extents (ATK_COMPONENT (image), x, y, NULL, NULL,
|
|
coord_type);
|
|
|
|
if (get_pixbuf_box (GTK_ICON_VIEW (item->widget), item->item, &box))
|
|
{
|
|
*x+= box.x - item->item->cell_area.x;
|
|
*y+= box.y - item->item->cell_area.y;
|
|
}
|
|
|
|
}
|
|
|
|
static void
|
|
atk_image_item_interface_init (AtkImageIface *iface)
|
|
{
|
|
iface->get_image_description = gtk_icon_view_item_accessible_get_image_description;
|
|
iface->set_image_description = gtk_icon_view_item_accessible_set_image_description;
|
|
iface->get_image_size = gtk_icon_view_item_accessible_get_image_size;
|
|
iface->get_image_position = gtk_icon_view_item_accessible_get_image_position;
|
|
}
|
|
|
|
static gchar *
|
|
gtk_icon_view_item_accessible_get_text (AtkText *text,
|
|
gint start_pos,
|
|
gint end_pos)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (text);
|
|
if (atk_state_set_contains_state (item->state_set, ATK_STATE_DEFUNCT))
|
|
return NULL;
|
|
|
|
if (item->text)
|
|
return g_utf8_substring (item->text, start_pos, end_pos > -1 ? end_pos : g_utf8_strlen (item->text, -1));
|
|
else
|
|
return g_strdup ("");
|
|
}
|
|
|
|
static gunichar
|
|
gtk_icon_view_item_accessible_get_character_at_offset (AtkText *text,
|
|
gint offset)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
gchar *string;
|
|
gchar *index;
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (text);
|
|
if (atk_state_set_contains_state (item->state_set, ATK_STATE_DEFUNCT))
|
|
return '\0';
|
|
|
|
string = item->text;
|
|
|
|
if (!string)
|
|
return '\0';
|
|
|
|
if (offset >= g_utf8_strlen (string, -1))
|
|
return '\0';
|
|
|
|
index = g_utf8_offset_to_pointer (string, offset);
|
|
|
|
return g_utf8_get_char (index);
|
|
}
|
|
|
|
static PangoLayout *
|
|
create_pango_layout (GtkIconViewItemAccessible *item)
|
|
{
|
|
PangoLayout *layout;
|
|
|
|
layout = gtk_widget_create_pango_layout (item->widget, item->text);
|
|
|
|
return layout;
|
|
}
|
|
|
|
static gchar *
|
|
gtk_icon_view_item_accessible_get_text_before_offset (AtkText *atk_text,
|
|
gint offset,
|
|
AtkTextBoundary boundary_type,
|
|
gint *start_offset,
|
|
gint *end_offset)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
PangoLayout *layout;
|
|
gchar *text;
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (atk_text);
|
|
if (atk_state_set_contains_state (item->state_set, ATK_STATE_DEFUNCT))
|
|
return NULL;
|
|
|
|
layout = create_pango_layout (item);
|
|
text = _gtk_pango_get_text_before (layout, boundary_type, offset, start_offset, end_offset);
|
|
g_object_unref (layout);
|
|
|
|
return text;
|
|
}
|
|
|
|
static gchar *
|
|
gtk_icon_view_item_accessible_get_text_at_offset (AtkText *atk_text,
|
|
gint offset,
|
|
AtkTextBoundary boundary_type,
|
|
gint *start_offset,
|
|
gint *end_offset)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
PangoLayout *layout;
|
|
gchar *text;
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (atk_text);
|
|
if (atk_state_set_contains_state (item->state_set, ATK_STATE_DEFUNCT))
|
|
return NULL;
|
|
|
|
layout = create_pango_layout (item);
|
|
text = _gtk_pango_get_text_at (layout, boundary_type, offset, start_offset, end_offset);
|
|
g_object_unref (layout);
|
|
|
|
return text;
|
|
}
|
|
|
|
static gchar *
|
|
gtk_icon_view_item_accessible_get_text_after_offset (AtkText *atk_text,
|
|
gint offset,
|
|
AtkTextBoundary boundary_type,
|
|
gint *start_offset,
|
|
gint *end_offset)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
PangoLayout *layout;
|
|
gchar *text;
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (atk_text);
|
|
if (atk_state_set_contains_state (item->state_set, ATK_STATE_DEFUNCT))
|
|
return NULL;
|
|
|
|
layout = create_pango_layout (item);
|
|
text = _gtk_pango_get_text_after (layout, boundary_type, offset, start_offset, end_offset);
|
|
g_object_unref (layout);
|
|
|
|
return text;
|
|
}
|
|
|
|
static gint
|
|
gtk_icon_view_item_accessible_get_character_count (AtkText *text)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (text);
|
|
if (atk_state_set_contains_state (item->state_set, ATK_STATE_DEFUNCT))
|
|
return 0;
|
|
|
|
if (item->text)
|
|
return g_utf8_strlen (item->text, -1);
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
gtk_icon_view_item_accessible_get_character_extents (AtkText *text,
|
|
gint offset,
|
|
gint *x,
|
|
gint *y,
|
|
gint *width,
|
|
gint *height,
|
|
AtkCoordType coord_type)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
#if 0
|
|
GtkIconView *icon_view;
|
|
PangoRectangle char_rect;
|
|
const gchar *item_text;
|
|
gint index;
|
|
#endif
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (text);
|
|
|
|
if (!GTK_IS_ICON_VIEW (item->widget))
|
|
return;
|
|
|
|
if (atk_state_set_contains_state (item->state_set, ATK_STATE_DEFUNCT))
|
|
return;
|
|
|
|
#if 0
|
|
icon_view = GTK_ICON_VIEW (item->widget);
|
|
/* FIXME we probably have to use GailTextCell to salvage this */
|
|
gtk_icon_view_update_item_text (icon_view, item->item);
|
|
item_text = pango_layout_get_text (icon_view->priv->layout);
|
|
index = g_utf8_offset_to_pointer (item_text, offset) - item_text;
|
|
pango_layout_index_to_pos (icon_view->priv->layout, index, &char_rect);
|
|
|
|
atk_component_get_position (ATK_COMPONENT (text), x, y, coord_type);
|
|
*x += item->item->layout_x - item->item->x + char_rect.x / PANGO_SCALE;
|
|
/* Look at gtk_icon_view_paint_item() to see where the text is. */
|
|
*x -= ((item->item->width - item->item->layout_width) / 2) + (MAX (item->item->pixbuf_width, icon_view->priv->item_width) - item->item->width) / 2,
|
|
*y += item->item->layout_y - item->item->y + char_rect.y / PANGO_SCALE;
|
|
*width = char_rect.width / PANGO_SCALE;
|
|
*height = char_rect.height / PANGO_SCALE;
|
|
#endif
|
|
}
|
|
|
|
static gint
|
|
gtk_icon_view_item_accessible_get_offset_at_point (AtkText *text,
|
|
gint x,
|
|
gint y,
|
|
AtkCoordType coord_type)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
gint offset = 0;
|
|
#if 0
|
|
GtkIconView *icon_view;
|
|
const gchar *item_text;
|
|
gint index;
|
|
gint l_x, l_y;
|
|
#endif
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (text);
|
|
|
|
if (!GTK_IS_ICON_VIEW (item->widget))
|
|
return -1;
|
|
|
|
if (atk_state_set_contains_state (item->state_set, ATK_STATE_DEFUNCT))
|
|
return -1;
|
|
|
|
#if 0
|
|
icon_view = GTK_ICON_VIEW (item->widget);
|
|
/* FIXME we probably have to use GailTextCell to salvage this */
|
|
gtk_icon_view_update_item_text (icon_view, item->item);
|
|
atk_component_get_position (ATK_COMPONENT (text), &l_x, &l_y, coord_type);
|
|
x -= l_x + item->item->layout_x - item->item->x;
|
|
x += ((item->item->width - item->item->layout_width) / 2) + (MAX (item->item->pixbuf_width, icon_view->priv->item_width) - item->item->width) / 2,
|
|
y -= l_y + item->item->layout_y - item->item->y;
|
|
item_text = pango_layout_get_text (icon_view->priv->layout);
|
|
if (!pango_layout_xy_to_index (icon_view->priv->layout,
|
|
x * PANGO_SCALE,
|
|
y * PANGO_SCALE,
|
|
&index, NULL))
|
|
{
|
|
if (x < 0 || y < 0)
|
|
index = 0;
|
|
else
|
|
index = -1;
|
|
}
|
|
if (index == -1)
|
|
offset = g_utf8_strlen (item_text, -1);
|
|
else
|
|
offset = g_utf8_pointer_to_offset (item_text, item_text + index);
|
|
#endif
|
|
return offset;
|
|
}
|
|
|
|
static void
|
|
atk_text_item_interface_init (AtkTextIface *iface)
|
|
{
|
|
iface->get_text = gtk_icon_view_item_accessible_get_text;
|
|
iface->get_character_at_offset = gtk_icon_view_item_accessible_get_character_at_offset;
|
|
iface->get_text_before_offset = gtk_icon_view_item_accessible_get_text_before_offset;
|
|
iface->get_text_at_offset = gtk_icon_view_item_accessible_get_text_at_offset;
|
|
iface->get_text_after_offset = gtk_icon_view_item_accessible_get_text_after_offset;
|
|
iface->get_character_count = gtk_icon_view_item_accessible_get_character_count;
|
|
iface->get_character_extents = gtk_icon_view_item_accessible_get_character_extents;
|
|
iface->get_offset_at_point = gtk_icon_view_item_accessible_get_offset_at_point;
|
|
}
|
|
|
|
static void
|
|
gtk_icon_view_item_accessible_get_extents (AtkComponent *component,
|
|
gint *x,
|
|
gint *y,
|
|
gint *width,
|
|
gint *height,
|
|
AtkCoordType coord_type)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
AtkObject *parent_obj;
|
|
gint l_x, l_y;
|
|
|
|
g_return_if_fail (GTK_IS_ICON_VIEW_ITEM_ACCESSIBLE (component));
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (component);
|
|
if (!GTK_IS_WIDGET (item->widget))
|
|
return;
|
|
|
|
if (atk_state_set_contains_state (item->state_set, ATK_STATE_DEFUNCT))
|
|
return;
|
|
|
|
*width = item->item->cell_area.width;
|
|
*height = item->item->cell_area.height;
|
|
if (gtk_icon_view_item_accessible_is_showing (item))
|
|
{
|
|
parent_obj = gtk_widget_get_accessible (item->widget);
|
|
atk_component_get_extents (ATK_COMPONENT (parent_obj), &l_x, &l_y,
|
|
NULL, NULL, coord_type);
|
|
*x = l_x + item->item->cell_area.x;
|
|
*y = l_y + item->item->cell_area.y;
|
|
}
|
|
else
|
|
{
|
|
*x = G_MININT;
|
|
*y = G_MININT;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gtk_icon_view_item_accessible_grab_focus (AtkComponent *component)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
|
|
g_return_val_if_fail (GTK_IS_ICON_VIEW_ITEM_ACCESSIBLE (component), FALSE);
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (component);
|
|
if (!GTK_IS_WIDGET (item->widget))
|
|
return FALSE;
|
|
|
|
gtk_widget_grab_focus (item->widget);
|
|
_gtk_icon_view_set_cursor_item (GTK_ICON_VIEW (item->widget), item->item, NULL);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
atk_component_item_interface_init (AtkComponentIface *iface)
|
|
{
|
|
iface->get_extents = gtk_icon_view_item_accessible_get_extents;
|
|
iface->grab_focus = gtk_icon_view_item_accessible_grab_focus;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_icon_view_item_accessible_add_state (GtkIconViewItemAccessible *item,
|
|
AtkStateType state_type,
|
|
gboolean emit_signal)
|
|
{
|
|
gboolean rc;
|
|
|
|
rc = atk_state_set_add_state (item->state_set, state_type);
|
|
|
|
/* The signal should only be generated if the value changed,
|
|
* not when the item is set up. So states that are set
|
|
* initially should pass FALSE as the emit_signal argument.
|
|
*/
|
|
if (emit_signal)
|
|
{
|
|
atk_object_notify_state_change (ATK_OBJECT (item), state_type, TRUE);
|
|
/* If state_type is ATK_STATE_VISIBLE, additional notification */
|
|
if (state_type == ATK_STATE_VISIBLE)
|
|
g_signal_emit_by_name (item, "visible-data-changed");
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_icon_view_item_accessible_remove_state (GtkIconViewItemAccessible *item,
|
|
AtkStateType state_type,
|
|
gboolean emit_signal)
|
|
{
|
|
if (atk_state_set_contains_state (item->state_set, state_type))
|
|
{
|
|
gboolean rc;
|
|
|
|
rc = atk_state_set_remove_state (item->state_set, state_type);
|
|
|
|
/* The signal should only be generated if the value changed,
|
|
* not when the item is set up. So states that are set
|
|
* initially should pass FALSE as the emit_signal argument.
|
|
*/
|
|
if (emit_signal)
|
|
{
|
|
atk_object_notify_state_change (ATK_OBJECT (item), state_type, FALSE);
|
|
/* If state_type is ATK_STATE_VISIBLE, additional notification */
|
|
if (state_type == ATK_STATE_VISIBLE)
|
|
g_signal_emit_by_name (item, "visible-data-changed");
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_icon_view_item_accessible_is_showing (GtkIconViewItemAccessible *item)
|
|
{
|
|
GtkAllocation allocation;
|
|
GtkIconView *icon_view;
|
|
GdkRectangle visible_rect;
|
|
gboolean is_showing;
|
|
|
|
/* An item is considered "SHOWING" if any part of the item
|
|
* is in the visible rectangle.
|
|
*/
|
|
if (!GTK_IS_ICON_VIEW (item->widget))
|
|
return FALSE;
|
|
|
|
if (item->item == NULL)
|
|
return FALSE;
|
|
|
|
gtk_widget_get_allocation (item->widget, &allocation);
|
|
|
|
icon_view = GTK_ICON_VIEW (item->widget);
|
|
visible_rect.x = 0;
|
|
if (icon_view->priv->hadjustment)
|
|
visible_rect.x += gtk_adjustment_get_value (icon_view->priv->hadjustment);
|
|
visible_rect.y = 0;
|
|
if (icon_view->priv->vadjustment)
|
|
visible_rect.y += gtk_adjustment_get_value (icon_view->priv->vadjustment);
|
|
visible_rect.width = allocation.width;
|
|
visible_rect.height = allocation.height;
|
|
|
|
if (((item->item->cell_area.x + item->item->cell_area.width) < visible_rect.x) ||
|
|
((item->item->cell_area.y + item->item->cell_area.height) < (visible_rect.y)) ||
|
|
(item->item->cell_area.x > (visible_rect.x + visible_rect.width)) ||
|
|
(item->item->cell_area.y > (visible_rect.y + visible_rect.height)))
|
|
is_showing = FALSE;
|
|
else
|
|
is_showing = TRUE;
|
|
|
|
return is_showing;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_icon_view_item_accessible_set_visibility (GtkIconViewItemAccessible *item,
|
|
gboolean emit_signal)
|
|
{
|
|
if (gtk_icon_view_item_accessible_is_showing (item))
|
|
return gtk_icon_view_item_accessible_add_state (item, ATK_STATE_SHOWING,
|
|
emit_signal);
|
|
else
|
|
return gtk_icon_view_item_accessible_remove_state (item, ATK_STATE_SHOWING,
|
|
emit_signal);
|
|
}
|
|
|
|
static void
|
|
_gtk_icon_view_item_accessible_init (GtkIconViewItemAccessible *item)
|
|
{
|
|
item->state_set = atk_state_set_new ();
|
|
|
|
atk_state_set_add_state (item->state_set, ATK_STATE_ENABLED);
|
|
atk_state_set_add_state (item->state_set, ATK_STATE_FOCUSABLE);
|
|
atk_state_set_add_state (item->state_set, ATK_STATE_SENSITIVE);
|
|
atk_state_set_add_state (item->state_set, ATK_STATE_SELECTABLE);
|
|
atk_state_set_add_state (item->state_set, ATK_STATE_VISIBLE);
|
|
|
|
item->action_description = NULL;
|
|
item->image_description = NULL;
|
|
|
|
item->action_idle_handler = 0;
|
|
}
|
|
|
|
static void
|
|
_gtk_icon_view_item_accessible_finalize (GObject *object)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (object);
|
|
|
|
if (item->widget)
|
|
g_object_remove_weak_pointer (G_OBJECT (item->widget), (gpointer) &item->widget);
|
|
|
|
if (item->state_set)
|
|
g_object_unref (item->state_set);
|
|
|
|
|
|
g_free (item->text);
|
|
g_free (item->action_description);
|
|
g_free (item->image_description);
|
|
|
|
if (item->action_idle_handler)
|
|
{
|
|
g_source_remove (item->action_idle_handler);
|
|
item->action_idle_handler = 0;
|
|
}
|
|
|
|
G_OBJECT_CLASS (_gtk_icon_view_item_accessible_parent_class)->finalize (object);
|
|
}
|
|
|
|
static AtkObject*
|
|
_gtk_icon_view_item_accessible_get_parent (AtkObject *obj)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
|
|
g_return_val_if_fail (GTK_IS_ICON_VIEW_ITEM_ACCESSIBLE (obj), NULL);
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (obj);
|
|
|
|
if (item->widget)
|
|
return gtk_widget_get_accessible (item->widget);
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
static gint
|
|
_gtk_icon_view_item_accessible_get_index_in_parent (AtkObject *obj)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
|
|
g_return_val_if_fail (GTK_IS_ICON_VIEW_ITEM_ACCESSIBLE (obj), 0);
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (obj);
|
|
|
|
return item->item->index;
|
|
}
|
|
|
|
static AtkStateSet *
|
|
_gtk_icon_view_item_accessible_ref_state_set (AtkObject *obj)
|
|
{
|
|
GtkIconViewItemAccessible *item;
|
|
GtkIconView *icon_view;
|
|
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (obj);
|
|
g_return_val_if_fail (item->state_set, NULL);
|
|
|
|
if (!item->widget)
|
|
return NULL;
|
|
|
|
icon_view = GTK_ICON_VIEW (item->widget);
|
|
if (icon_view->priv->cursor_item == item->item)
|
|
atk_state_set_add_state (item->state_set, ATK_STATE_FOCUSED);
|
|
else
|
|
atk_state_set_remove_state (item->state_set, ATK_STATE_FOCUSED);
|
|
if (item->item->selected)
|
|
atk_state_set_add_state (item->state_set, ATK_STATE_SELECTED);
|
|
else
|
|
atk_state_set_remove_state (item->state_set, ATK_STATE_SELECTED);
|
|
|
|
return g_object_ref (item->state_set);
|
|
}
|
|
|
|
static void
|
|
_gtk_icon_view_item_accessible_class_init (GtkIconViewItemAccessibleClass *klass)
|
|
{
|
|
GObjectClass *gobject_class;
|
|
AtkObjectClass *atk_class;
|
|
|
|
gobject_class = (GObjectClass *)klass;
|
|
atk_class = (AtkObjectClass *)klass;
|
|
|
|
gobject_class->finalize = _gtk_icon_view_item_accessible_finalize;
|
|
|
|
atk_class->get_index_in_parent = _gtk_icon_view_item_accessible_get_index_in_parent;
|
|
atk_class->get_parent = _gtk_icon_view_item_accessible_get_parent;
|
|
atk_class->ref_state_set = _gtk_icon_view_item_accessible_ref_state_set;
|
|
}
|
|
|
|
static void atk_component_interface_init (AtkComponentIface *iface);
|
|
static void atk_selection_interface_init (AtkSelectionIface *iface);
|
|
|
|
G_DEFINE_TYPE_WITH_CODE (GtkIconViewAccessible, gtk_icon_view_accessible, GTK_TYPE_CONTAINER_ACCESSIBLE,
|
|
G_ADD_PRIVATE (GtkIconViewAccessible)
|
|
G_IMPLEMENT_INTERFACE (ATK_TYPE_COMPONENT, atk_component_interface_init)
|
|
G_IMPLEMENT_INTERFACE (ATK_TYPE_SELECTION, atk_selection_interface_init))
|
|
|
|
typedef struct
|
|
{
|
|
AtkObject *item;
|
|
gint index;
|
|
} GtkIconViewItemAccessibleInfo;
|
|
|
|
|
|
static void
|
|
gtk_icon_view_item_accessible_info_new (AtkObject *accessible,
|
|
AtkObject *item,
|
|
gint index)
|
|
{
|
|
GtkIconViewAccessible *view = (GtkIconViewAccessible *)accessible;
|
|
GtkIconViewItemAccessibleInfo *info;
|
|
GtkIconViewItemAccessibleInfo *tmp_info;
|
|
GList *items;
|
|
|
|
info = g_new (GtkIconViewItemAccessibleInfo, 1);
|
|
info->item = item;
|
|
info->index = index;
|
|
|
|
items = view->priv->items;
|
|
while (items)
|
|
{
|
|
tmp_info = items->data;
|
|
if (tmp_info->index > index)
|
|
break;
|
|
items = items->next;
|
|
}
|
|
view->priv->items = g_list_insert_before (view->priv->items, items, info);
|
|
}
|
|
|
|
static gint
|
|
gtk_icon_view_accessible_get_n_children (AtkObject *accessible)
|
|
{
|
|
GtkIconView *icon_view;
|
|
GtkWidget *widget;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
|
|
if (!widget)
|
|
return 0;
|
|
|
|
icon_view = GTK_ICON_VIEW (widget);
|
|
|
|
return g_list_length (icon_view->priv->items);
|
|
}
|
|
|
|
static AtkObject *
|
|
gtk_icon_view_accessible_find_child (AtkObject *accessible,
|
|
gint index)
|
|
{
|
|
GtkIconViewAccessible *view = (GtkIconViewAccessible*)accessible;
|
|
GtkIconViewItemAccessibleInfo *info;
|
|
GList *items;
|
|
|
|
items = view->priv->items;
|
|
|
|
while (items)
|
|
{
|
|
info = items->data;
|
|
if (info->index == index)
|
|
return info->item;
|
|
items = items->next;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static AtkObject *
|
|
gtk_icon_view_accessible_ref_child (AtkObject *accessible,
|
|
gint index)
|
|
{
|
|
GtkIconView *icon_view;
|
|
GtkWidget *widget;
|
|
GList *icons;
|
|
AtkObject *obj;
|
|
GtkIconViewItemAccessible *a11y_item;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
|
|
if (!widget)
|
|
return NULL;
|
|
|
|
icon_view = GTK_ICON_VIEW (widget);
|
|
icons = g_list_nth (icon_view->priv->items, index);
|
|
obj = NULL;
|
|
if (icons)
|
|
{
|
|
GtkIconViewItem *item = icons->data;
|
|
|
|
g_return_val_if_fail (item->index == index, NULL);
|
|
obj = gtk_icon_view_accessible_find_child (accessible, index);
|
|
if (!obj)
|
|
{
|
|
obj = g_object_new (GTK_TYPE_ICON_VIEW_ITEM_ACCESSIBLE, NULL);
|
|
gtk_icon_view_item_accessible_info_new (accessible, obj, index);
|
|
obj->role = ATK_ROLE_ICON;
|
|
a11y_item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (obj);
|
|
a11y_item->item = item;
|
|
a11y_item->widget = widget;
|
|
|
|
g_free (a11y_item->text);
|
|
a11y_item->text = get_text (icon_view, item);
|
|
|
|
gtk_icon_view_item_accessible_set_visibility (a11y_item, FALSE);
|
|
g_object_add_weak_pointer (G_OBJECT (widget), (gpointer) &(a11y_item->widget));
|
|
}
|
|
g_object_ref (obj);
|
|
}
|
|
return obj;
|
|
}
|
|
|
|
static void
|
|
gtk_icon_view_accessible_traverse_items (GtkIconViewAccessible *view,
|
|
GList *list)
|
|
{
|
|
GtkIconViewItemAccessibleInfo *info;
|
|
GtkIconViewItemAccessible *item;
|
|
GList *items;
|
|
|
|
if (view->priv->items)
|
|
{
|
|
GtkWidget *widget;
|
|
gboolean act_on_item;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (view));
|
|
if (widget == NULL)
|
|
return;
|
|
|
|
items = view->priv->items;
|
|
|
|
act_on_item = (list == NULL);
|
|
|
|
while (items)
|
|
{
|
|
|
|
info = (GtkIconViewItemAccessibleInfo *)items->data;
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (info->item);
|
|
|
|
if (act_on_item == FALSE && list == items)
|
|
act_on_item = TRUE;
|
|
|
|
if (act_on_item)
|
|
gtk_icon_view_item_accessible_set_visibility (item, TRUE);
|
|
|
|
items = items->next;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
_gtk_icon_view_accessible_adjustment_changed (GtkIconView *icon_view)
|
|
{
|
|
GtkIconViewAccessible *view;
|
|
|
|
view = GTK_ICON_VIEW_ACCESSIBLE (_gtk_widget_peek_accessible (GTK_WIDGET (icon_view)));
|
|
if (view == NULL)
|
|
return;
|
|
|
|
gtk_icon_view_accessible_traverse_items (view, NULL);
|
|
}
|
|
|
|
static void
|
|
gtk_icon_view_accessible_model_row_changed (GtkTreeModel *tree_model,
|
|
GtkTreePath *path,
|
|
GtkTreeIter *iter,
|
|
gpointer user_data)
|
|
{
|
|
AtkObject *atk_obj;
|
|
gint index;
|
|
GtkWidget *widget;
|
|
GtkIconView *icon_view;
|
|
GtkIconViewItem *item;
|
|
GtkIconViewItemAccessible *a11y_item;
|
|
const gchar *name;
|
|
|
|
atk_obj = gtk_widget_get_accessible (GTK_WIDGET (user_data));
|
|
index = gtk_tree_path_get_indices(path)[0];
|
|
a11y_item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (
|
|
gtk_icon_view_accessible_find_child (atk_obj, index));
|
|
|
|
if (a11y_item)
|
|
{
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (atk_obj));
|
|
icon_view = GTK_ICON_VIEW (widget);
|
|
item = a11y_item->item;
|
|
|
|
name = atk_object_get_name (ATK_OBJECT (a11y_item));
|
|
if (!name || strcmp (name, "") == 0)
|
|
{
|
|
g_free (a11y_item->text);
|
|
a11y_item->text = get_text (icon_view, item);
|
|
}
|
|
}
|
|
|
|
g_signal_emit_by_name (atk_obj, "visible-data-changed");
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
gtk_icon_view_accessible_model_row_inserted (GtkTreeModel *tree_model,
|
|
GtkTreePath *path,
|
|
GtkTreeIter *iter,
|
|
gpointer user_data)
|
|
{
|
|
GtkIconViewItemAccessibleInfo *info;
|
|
GtkIconViewAccessible *view;
|
|
GtkIconViewItemAccessible *item;
|
|
GList *items;
|
|
GList *tmp_list;
|
|
AtkObject *atk_obj;
|
|
gint index;
|
|
|
|
index = gtk_tree_path_get_indices(path)[0];
|
|
atk_obj = gtk_widget_get_accessible (GTK_WIDGET (user_data));
|
|
view = GTK_ICON_VIEW_ACCESSIBLE (atk_obj);
|
|
|
|
items = view->priv->items;
|
|
tmp_list = NULL;
|
|
while (items)
|
|
{
|
|
info = items->data;
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (info->item);
|
|
if (info->index != item->item->index)
|
|
{
|
|
if (info->index < index)
|
|
g_warning ("Unexpected index value on insertion %d %d", index, info->index);
|
|
|
|
if (tmp_list == NULL)
|
|
tmp_list = items;
|
|
|
|
info->index = item->item->index;
|
|
}
|
|
|
|
items = items->next;
|
|
}
|
|
gtk_icon_view_accessible_traverse_items (view, tmp_list);
|
|
g_signal_emit_by_name (atk_obj, "children-changed::add",
|
|
index, NULL, NULL);
|
|
return;
|
|
}
|
|
|
|
static void
|
|
gtk_icon_view_accessible_model_row_deleted (GtkTreeModel *tree_model,
|
|
GtkTreePath *path,
|
|
gpointer user_data)
|
|
{
|
|
GtkIconViewItemAccessibleInfo *info;
|
|
GtkIconViewAccessible *view;
|
|
GtkIconViewItemAccessible *item;
|
|
GList *items;
|
|
GList *tmp_list;
|
|
GList *deleted_item;
|
|
AtkObject *atk_obj;
|
|
gint index;
|
|
|
|
index = gtk_tree_path_get_indices(path)[0];
|
|
atk_obj = gtk_widget_get_accessible (GTK_WIDGET (user_data));
|
|
view = GTK_ICON_VIEW_ACCESSIBLE (atk_obj);
|
|
|
|
items = view->priv->items;
|
|
tmp_list = NULL;
|
|
deleted_item = NULL;
|
|
info = NULL;
|
|
while (items)
|
|
{
|
|
info = items->data;
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (info->item);
|
|
if (info->index == index)
|
|
{
|
|
deleted_item = items;
|
|
}
|
|
else if (info->index != item->item->index)
|
|
{
|
|
if (tmp_list == NULL)
|
|
tmp_list = items;
|
|
|
|
info->index = item->item->index;
|
|
}
|
|
|
|
items = items->next;
|
|
}
|
|
if (deleted_item)
|
|
{
|
|
info = deleted_item->data;
|
|
gtk_icon_view_item_accessible_add_state (GTK_ICON_VIEW_ITEM_ACCESSIBLE (info->item), ATK_STATE_DEFUNCT, TRUE);
|
|
g_signal_emit_by_name (atk_obj, "children-changed::remove",
|
|
index, NULL, NULL);
|
|
view->priv->items = g_list_delete_link (view->priv->items, deleted_item);
|
|
g_object_unref (info->item);
|
|
g_free (info);
|
|
}
|
|
gtk_icon_view_accessible_traverse_items (view, tmp_list);
|
|
|
|
return;
|
|
}
|
|
|
|
static gint
|
|
gtk_icon_view_accessible_item_compare (GtkIconViewItemAccessibleInfo *i1,
|
|
GtkIconViewItemAccessibleInfo *i2)
|
|
{
|
|
return i1->index - i2->index;
|
|
}
|
|
|
|
static void
|
|
gtk_icon_view_accessible_model_rows_reordered (GtkTreeModel *tree_model,
|
|
GtkTreePath *path,
|
|
GtkTreeIter *iter,
|
|
gint *new_order,
|
|
gpointer user_data)
|
|
{
|
|
GtkIconViewAccessible *view;
|
|
GtkIconViewItemAccessibleInfo *info;
|
|
GtkIconView *icon_view;
|
|
GtkIconViewItemAccessible *item;
|
|
GList *items;
|
|
AtkObject *atk_obj;
|
|
gint *order;
|
|
gint length, i;
|
|
|
|
atk_obj = gtk_widget_get_accessible (GTK_WIDGET (user_data));
|
|
icon_view = GTK_ICON_VIEW (user_data);
|
|
view = (GtkIconViewAccessible*)atk_obj;
|
|
|
|
length = gtk_tree_model_iter_n_children (tree_model, NULL);
|
|
|
|
order = g_new (gint, length);
|
|
for (i = 0; i < length; i++)
|
|
order [new_order[i]] = i;
|
|
|
|
items = view->priv->items;
|
|
while (items)
|
|
{
|
|
info = items->data;
|
|
item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (info->item);
|
|
info->index = order[info->index];
|
|
item->item = g_list_nth_data (icon_view->priv->items, info->index);
|
|
items = items->next;
|
|
}
|
|
g_free (order);
|
|
view->priv->items = g_list_sort (view->priv->items,
|
|
(GCompareFunc)gtk_icon_view_accessible_item_compare);
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
gtk_icon_view_accessible_disconnect_model_signals (GtkTreeModel *model,
|
|
GtkWidget *widget)
|
|
{
|
|
GObject *obj;
|
|
|
|
obj = G_OBJECT (model);
|
|
g_signal_handlers_disconnect_by_func (obj, (gpointer) gtk_icon_view_accessible_model_row_changed, widget);
|
|
g_signal_handlers_disconnect_by_func (obj, (gpointer) gtk_icon_view_accessible_model_row_inserted, widget);
|
|
g_signal_handlers_disconnect_by_func (obj, (gpointer) gtk_icon_view_accessible_model_row_deleted, widget);
|
|
g_signal_handlers_disconnect_by_func (obj, (gpointer) gtk_icon_view_accessible_model_rows_reordered, widget);
|
|
}
|
|
|
|
static void
|
|
gtk_icon_view_accessible_connect_model_signals (GtkIconView *icon_view)
|
|
{
|
|
GObject *obj;
|
|
|
|
obj = G_OBJECT (icon_view->priv->model);
|
|
g_signal_connect_object (obj, "row-changed",
|
|
G_CALLBACK (gtk_icon_view_accessible_model_row_changed),
|
|
icon_view, 0);
|
|
g_signal_connect_object (obj, "row-inserted",
|
|
G_CALLBACK (gtk_icon_view_accessible_model_row_inserted),
|
|
icon_view, G_CONNECT_AFTER);
|
|
g_signal_connect_object (obj, "row-deleted",
|
|
G_CALLBACK (gtk_icon_view_accessible_model_row_deleted),
|
|
icon_view, G_CONNECT_AFTER);
|
|
g_signal_connect_object (obj, "rows-reordered",
|
|
G_CALLBACK (gtk_icon_view_accessible_model_rows_reordered),
|
|
icon_view, G_CONNECT_AFTER);
|
|
}
|
|
|
|
static void
|
|
gtk_icon_view_accessible_clear_cache (GtkIconViewAccessible *view)
|
|
{
|
|
GtkIconViewItemAccessibleInfo *info;
|
|
GList *items;
|
|
|
|
items = view->priv->items;
|
|
while (items)
|
|
{
|
|
info = (GtkIconViewItemAccessibleInfo *) items->data;
|
|
gtk_icon_view_item_accessible_add_state (GTK_ICON_VIEW_ITEM_ACCESSIBLE (info->item), ATK_STATE_DEFUNCT, TRUE);
|
|
g_object_unref (info->item);
|
|
g_free (items->data);
|
|
items = items->next;
|
|
}
|
|
g_list_free (view->priv->items);
|
|
view->priv->items = NULL;
|
|
}
|
|
|
|
static void
|
|
gtk_icon_view_accessible_notify_gtk (GObject *obj,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkIconView *icon_view;
|
|
GtkWidget *widget;
|
|
AtkObject *atk_obj;
|
|
GtkIconViewAccessible *view;
|
|
|
|
if (strcmp (pspec->name, "model") == 0)
|
|
{
|
|
widget = GTK_WIDGET (obj);
|
|
atk_obj = gtk_widget_get_accessible (widget);
|
|
view = (GtkIconViewAccessible*)atk_obj;
|
|
if (view->priv->model)
|
|
{
|
|
g_object_remove_weak_pointer (G_OBJECT (view->priv->model),
|
|
(gpointer *)&view->priv->model);
|
|
gtk_icon_view_accessible_disconnect_model_signals (view->priv->model, widget);
|
|
}
|
|
gtk_icon_view_accessible_clear_cache (view);
|
|
|
|
icon_view = GTK_ICON_VIEW (obj);
|
|
view->priv->model = icon_view->priv->model;
|
|
/* If there is no model the GtkIconView is probably being destroyed */
|
|
if (view->priv->model)
|
|
{
|
|
g_object_add_weak_pointer (G_OBJECT (view->priv->model), (gpointer *)&view->priv->model);
|
|
gtk_icon_view_accessible_connect_model_signals (icon_view);
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
gtk_icon_view_accessible_initialize (AtkObject *accessible,
|
|
gpointer data)
|
|
{
|
|
GtkIconViewAccessible *view;
|
|
GtkIconView *icon_view;
|
|
|
|
if (ATK_OBJECT_CLASS (gtk_icon_view_accessible_parent_class)->initialize)
|
|
ATK_OBJECT_CLASS (gtk_icon_view_accessible_parent_class)->initialize (accessible, data);
|
|
|
|
icon_view = (GtkIconView*)data;
|
|
view = (GtkIconViewAccessible*)accessible;
|
|
|
|
g_signal_connect (data, "notify",
|
|
G_CALLBACK (gtk_icon_view_accessible_notify_gtk), NULL);
|
|
|
|
view->priv->model = icon_view->priv->model;
|
|
if (view->priv->model)
|
|
{
|
|
g_object_add_weak_pointer (G_OBJECT (view->priv->model), (gpointer *)&view->priv->model);
|
|
gtk_icon_view_accessible_connect_model_signals (icon_view);
|
|
}
|
|
|
|
accessible->role = ATK_ROLE_LAYERED_PANE;
|
|
}
|
|
|
|
static void
|
|
gtk_icon_view_accessible_finalize (GObject *object)
|
|
{
|
|
GtkIconViewAccessible *view = (GtkIconViewAccessible*)object;
|
|
|
|
gtk_icon_view_accessible_clear_cache (view);
|
|
|
|
G_OBJECT_CLASS (gtk_icon_view_accessible_parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
gtk_icon_view_accessible_class_init (GtkIconViewAccessibleClass *klass)
|
|
{
|
|
GObjectClass *gobject_class;
|
|
AtkObjectClass *atk_class;
|
|
|
|
gobject_class = (GObjectClass *)klass;
|
|
atk_class = (AtkObjectClass *)klass;
|
|
|
|
gobject_class->finalize = gtk_icon_view_accessible_finalize;
|
|
|
|
atk_class->get_n_children = gtk_icon_view_accessible_get_n_children;
|
|
atk_class->ref_child = gtk_icon_view_accessible_ref_child;
|
|
atk_class->initialize = gtk_icon_view_accessible_initialize;
|
|
}
|
|
|
|
static void
|
|
gtk_icon_view_accessible_init (GtkIconViewAccessible *accessible)
|
|
{
|
|
accessible->priv = gtk_icon_view_accessible_get_instance_private (accessible);
|
|
}
|
|
|
|
static AtkObject*
|
|
gtk_icon_view_accessible_ref_accessible_at_point (AtkComponent *component,
|
|
gint x,
|
|
gint y,
|
|
AtkCoordType coord_type)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkIconView *icon_view;
|
|
GtkIconViewItem *item;
|
|
gint x_pos, y_pos;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (component));
|
|
if (widget == NULL)
|
|
return NULL;
|
|
|
|
icon_view = GTK_ICON_VIEW (widget);
|
|
atk_component_get_extents (component, &x_pos, &y_pos, NULL, NULL, coord_type);
|
|
item = _gtk_icon_view_get_item_at_coords (icon_view, x - x_pos, y - y_pos, TRUE, NULL);
|
|
if (item)
|
|
return gtk_icon_view_accessible_ref_child (ATK_OBJECT (component), item->index);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
atk_component_interface_init (AtkComponentIface *iface)
|
|
{
|
|
iface->ref_accessible_at_point = gtk_icon_view_accessible_ref_accessible_at_point;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_icon_view_accessible_add_selection (AtkSelection *selection,
|
|
gint i)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkIconView *icon_view;
|
|
GtkIconViewItem *item;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
|
|
if (widget == NULL)
|
|
return FALSE;
|
|
|
|
icon_view = GTK_ICON_VIEW (widget);
|
|
|
|
item = g_list_nth_data (icon_view->priv->items, i);
|
|
if (!item)
|
|
return FALSE;
|
|
|
|
_gtk_icon_view_select_item (icon_view, item);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_icon_view_accessible_clear_selection (AtkSelection *selection)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkIconView *icon_view;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
|
|
if (widget == NULL)
|
|
return FALSE;
|
|
|
|
icon_view = GTK_ICON_VIEW (widget);
|
|
gtk_icon_view_unselect_all (icon_view);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static AtkObject*
|
|
gtk_icon_view_accessible_ref_selection (AtkSelection *selection,
|
|
gint i)
|
|
{
|
|
GList *l;
|
|
GtkWidget *widget;
|
|
GtkIconView *icon_view;
|
|
GtkIconViewItem *item;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
|
|
if (widget == NULL)
|
|
return NULL;
|
|
|
|
icon_view = GTK_ICON_VIEW (widget);
|
|
|
|
l = icon_view->priv->items;
|
|
while (l)
|
|
{
|
|
item = l->data;
|
|
if (item->selected)
|
|
{
|
|
if (i == 0)
|
|
return atk_object_ref_accessible_child (gtk_widget_get_accessible (widget), item->index);
|
|
else
|
|
i--;
|
|
}
|
|
l = l->next;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static gint
|
|
gtk_icon_view_accessible_get_selection_count (AtkSelection *selection)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkIconView *icon_view;
|
|
GtkIconViewItem *item;
|
|
GList *l;
|
|
gint count;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
|
|
if (widget == NULL)
|
|
return 0;
|
|
|
|
icon_view = GTK_ICON_VIEW (widget);
|
|
|
|
l = icon_view->priv->items;
|
|
count = 0;
|
|
while (l)
|
|
{
|
|
item = l->data;
|
|
|
|
if (item->selected)
|
|
count++;
|
|
|
|
l = l->next;
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_icon_view_accessible_is_child_selected (AtkSelection *selection,
|
|
gint i)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkIconView *icon_view;
|
|
GtkIconViewItem *item;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
|
|
if (widget == NULL)
|
|
return FALSE;
|
|
|
|
icon_view = GTK_ICON_VIEW (widget);
|
|
|
|
item = g_list_nth_data (icon_view->priv->items, i);
|
|
if (!item)
|
|
return FALSE;
|
|
|
|
return item->selected;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_icon_view_accessible_remove_selection (AtkSelection *selection,
|
|
gint i)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkIconView *icon_view;
|
|
GtkIconViewItem *item;
|
|
GList *l;
|
|
gint count;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
|
|
if (widget == NULL)
|
|
return FALSE;
|
|
|
|
icon_view = GTK_ICON_VIEW (widget);
|
|
l = icon_view->priv->items;
|
|
count = 0;
|
|
while (l)
|
|
{
|
|
item = l->data;
|
|
if (item->selected)
|
|
{
|
|
if (count == i)
|
|
{
|
|
_gtk_icon_view_unselect_item (icon_view, item);
|
|
return TRUE;
|
|
}
|
|
count++;
|
|
}
|
|
l = l->next;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_icon_view_accessible_select_all_selection (AtkSelection *selection)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkIconView *icon_view;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
|
|
if (widget == NULL)
|
|
return FALSE;
|
|
|
|
icon_view = GTK_ICON_VIEW (widget);
|
|
gtk_icon_view_select_all (icon_view);
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
atk_selection_interface_init (AtkSelectionIface *iface)
|
|
{
|
|
iface->add_selection = gtk_icon_view_accessible_add_selection;
|
|
iface->clear_selection = gtk_icon_view_accessible_clear_selection;
|
|
iface->ref_selection = gtk_icon_view_accessible_ref_selection;
|
|
iface->get_selection_count = gtk_icon_view_accessible_get_selection_count;
|
|
iface->is_child_selected = gtk_icon_view_accessible_is_child_selected;
|
|
iface->remove_selection = gtk_icon_view_accessible_remove_selection;
|
|
iface->select_all_selection = gtk_icon_view_accessible_select_all_selection;
|
|
}
|