#include <config.h>
#include <string.h>
+#include <atk/atk.h>
+
#include <gdk/gdkkeysyms.h>
+#include "gtkalias.h"
#include "gtkiconview.h"
#include "gtkmarshalers.h"
#include "gtkbindings.h"
#include "gtkmain.h"
#include "gtksignal.h"
#include "gtkintl.h"
+#include "gtkaccessible.h"
+#include "gtkwindow.h"
+#include "gtktextbuffer.h"
#define MINIMUM_ICON_ITEM_WIDTH 100
#define ICON_TEXT_PADDING 3
gint press_start_x;
gint press_start_y;
#endif
-
+
/* Layout used to draw icon text */
PangoLayout *layout;
+
+ GtkOrientation orientation;
};
/* Signals */
PROP_TEXT_COLUMN,
PROP_MARKUP_COLUMN,
PROP_SELECTION_MODE,
+ PROP_ORIENTATION,
PROP_MODEL,
};
GdkEventButton *event);
static gboolean gtk_icon_view_button_release (GtkWidget *widget,
GdkEventButton *event);
-
/* GtkIconView signals */
static void gtk_icon_view_set_adjustments (GtkIconView *icon_view,
GtkAdjustment *hadj,
gint y);
-
-
+/* Accessibility Support */
+static AtkObject *gtk_icon_view_get_accessible (GtkWidget *widget);
static GtkContainerClass *parent_class = NULL;
static guint icon_view_signals[LAST_SIGNAL] = { 0 };
widget_class->motion_notify_event = gtk_icon_view_motion;
widget_class->button_press_event = gtk_icon_view_button_press;
widget_class->button_release_event = gtk_icon_view_button_release;
-
+ widget_class->get_accessible = gtk_icon_view_get_accessible;
+
klass->set_scroll_adjustments = gtk_icon_view_set_adjustments;
klass->select_all = gtk_icon_view_real_select_all;
klass->unselect_all = gtk_icon_view_real_unselect_all;
GTK_TYPE_TREE_MODEL,
G_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class,
+ PROP_ORIENTATION,
+ g_param_spec_enum ("orientation",
+ P_("Orientation"),
+ P_("How the text and icon of each item are positioned relative to each other"),
+ GTK_TYPE_ORIENTATION,
+ GTK_ORIENTATION_VERTICAL,
+ G_PARAM_READWRITE));
/* Style properties */
gtk_widget_class_install_style_property (widget_class,
GTK_WIDGET_SET_FLAGS (icon_view, GTK_CAN_FOCUS);
gtk_icon_view_set_adjustments (icon_view, NULL, NULL);
+
+ icon_view->priv->orientation = GTK_ORIENTATION_VERTICAL;
}
static void
case PROP_MODEL:
gtk_icon_view_set_model (icon_view, g_value_get_object (value));
break;
+ case PROP_ORIENTATION:
+ gtk_icon_view_set_orientation (icon_view, g_value_get_enum (value));
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
case PROP_MODEL:
g_value_set_object (value, icon_view->priv->model);
break;
+ case PROP_ORIENTATION:
+ g_value_set_enum (value, icon_view->priv->orientation);
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
widget->style = gtk_style_attach (widget->style, widget->window);
gdk_window_set_background (icon_view->priv->bin_window, &widget->style->base[widget->state]);
gdk_window_set_background (widget->window, &widget->style->base[widget->state]);
-
-
}
static void
}
else
{
- if (icon_view->priv->selection_mode == GTK_SELECTION_MULTIPLE &&
+ if ((icon_view->priv->selection_mode == GTK_SELECTION_MULTIPLE ||
+ ((icon_view->priv->selection_mode == GTK_SELECTION_SINGLE) && item->selected)) &&
(event->state & GDK_CONTROL_MASK))
{
item->selected = !item->selected;
if (dirty)
g_signal_emit (icon_view, icon_view_signals[SELECTION_CHANGED], 0);
- return TRUE;
+ return event->button == 1;
}
static gboolean
return TRUE;
}
-
static void
gtk_icon_view_update_rubberband (gpointer data)
{
gboolean dirty = FALSE;
GList *items;
- if (icon_view->priv->selection_mode == GTK_SELECTION_NONE ||
- icon_view->priv->selection_mode == GTK_SELECTION_BROWSE)
+ if (icon_view->priv->selection_mode == GTK_SELECTION_NONE)
return FALSE;
-
+
for (items = icon_view->priv->items; items; items = items->next)
{
GtkIconViewItem *item = items->data;
static void
gtk_icon_view_real_unselect_all (GtkIconView *icon_view)
{
- if (icon_view->priv->selection_mode == GTK_SELECTION_BROWSE)
- return;
-
gtk_icon_view_unselect_all (icon_view);
}
static GList *
gtk_icon_view_layout_single_row (GtkIconView *icon_view, GList *first_item, gint *y, gint *maximum_width, gint row)
{
+ gint focus_width, focus_pad;
gint x, current_width, max_height, max_pixbuf_height;
GList *items, *last_item;
gint maximum_layout_width;
items = first_item;
current_width = 0;
+ gtk_widget_style_get (GTK_WIDGET (icon_view),
+ "focus-line-width", &focus_width,
+ "focus-padding", &focus_pad,
+ NULL);
+
x += ICON_VIEW_LEFT_MARGIN;
current_width += ICON_VIEW_LEFT_MARGIN + ICON_VIEW_RIGHT_MARGIN;
items = first_item;
x += (MINIMUM_ICON_ITEM_WIDTH - item->width);
}
- item->pixbuf_x = item->x + (item->width - item->pixbuf_width) / 2;
- item->layout_x = item->x + (item->width - item->layout_width) / 2;
+ if (icon_view->priv->orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ if (gtk_widget_get_direction (GTK_WIDGET (icon_view)) == GTK_TEXT_DIR_RTL)
+ {
+ item->layout_x = item->x + ICON_TEXT_PADDING + focus_width + focus_pad;
+ item->pixbuf_x = item->x + 2 * (ICON_TEXT_PADDING + focus_width + focus_pad) + item->layout_width;
+ }
+ else
+ {
+ item->pixbuf_x = item->x;
+ item->layout_x = item->x + item->pixbuf_width + ICON_TEXT_PADDING + focus_width + focus_pad;
+ }
+ }
+ else
+ {
+ item->pixbuf_x = item->x + (item->width - item->pixbuf_width) / 2;
+ item->layout_x = item->x + (item->width - item->layout_width) / 2;
+ }
x += item->width;
{
GtkIconViewItem *item = items->data;
- item->pixbuf_y = item->y + (max_pixbuf_height - item->pixbuf_height);
- item->layout_y = item->pixbuf_y + item->pixbuf_height + ICON_TEXT_PADDING;
+ if (icon_view->priv->orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ item->pixbuf_y = item->y;
+ item->layout_y = item->y + ICON_TEXT_PADDING + focus_width + focus_pad;
+ }
+ else
+ {
+ item->pixbuf_y = item->y + (max_pixbuf_height - item->pixbuf_height);
+ item->layout_y = item->pixbuf_y + item->pixbuf_height + ICON_TEXT_PADDING + focus_width + focus_pad;
+ }
/* Update the bounding box */
item->y = item->pixbuf_y;
gtk_icon_view_calculate_item_size (GtkIconView *icon_view,
GtkIconViewItem *item)
{
- int layout_width, layout_height;
- int maximum_layout_width;
+ gint focus_width, focus_pad;
+ gint layout_width, layout_height;
+ gint maximum_layout_width;
GdkPixbuf *pixbuf;
if (item->width != -1 && item->width != -1)
return;
+ gtk_widget_style_get (GTK_WIDGET (icon_view),
+ "focus-line-width", &focus_width,
+ "focus-padding", &focus_pad,
+ NULL);
+
if (icon_view->priv->pixbuf_column != -1)
{
pixbuf = gtk_icon_view_get_item_icon (icon_view, item);
pango_layout_get_pixel_size (icon_view->priv->layout, &layout_width, &layout_height);
- item->width = MAX ((layout_width + 2 * ICON_TEXT_PADDING), item->pixbuf_width);
- item->height = layout_height + 2 * ICON_TEXT_PADDING + item->pixbuf_height;
item->layout_width = layout_width;
item->layout_height = layout_height;
}
item->layout_width = 0;
item->layout_height = 0;
}
+
+ if (icon_view->priv->orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ item->width = layout_width + 2 * (ICON_TEXT_PADDING + focus_width + focus_pad) + item->pixbuf_width;
+ item->height = MAX (layout_height + 2 * (ICON_TEXT_PADDING + focus_width + focus_pad), item->pixbuf_height);
+ }
+ else
+ {
+ item->width = MAX (layout_width + 2 * (ICON_TEXT_PADDING + focus_width + focus_pad), item->pixbuf_width);
+ item->height = layout_height + 2 * (ICON_TEXT_PADDING + focus_width + focus_pad) + item->pixbuf_height;
+ }
}
static void
GtkIconViewItem *item,
GdkRectangle *area)
{
+ gint focus_width, focus_pad;
GdkPixbuf *pixbuf, *tmp;
GtkStateType state;
if (!VALID_MODEL_AND_COLUMNS (icon_view))
return;
+ gtk_widget_style_get (GTK_WIDGET (icon_view),
+ "focus-line-width", &focus_width,
+ "focus-padding", &focus_pad,
+ NULL);
+
if (GTK_WIDGET_HAS_FOCUS (icon_view))
state = GTK_STATE_SELECTED;
else
item == icon_view->priv->cursor_item)
gtk_paint_focus (GTK_WIDGET (icon_view)->style,
icon_view->priv->bin_window,
- item->selected ? GTK_STATE_SELECTED : GTK_STATE_NORMAL,
+ GTK_STATE_NORMAL,
area,
GTK_WIDGET (icon_view),
"icon_view",
- item->layout_x - ICON_TEXT_PADDING,
- item->layout_y - ICON_TEXT_PADDING,
- item->layout_width + 2 * ICON_TEXT_PADDING,
- item->layout_height + 2 * ICON_TEXT_PADDING);
+ item->layout_x - ICON_TEXT_PADDING - focus_width - focus_pad,
+ item->layout_y - ICON_TEXT_PADDING - focus_width - focus_pad,
+ item->layout_width + 2 * (ICON_TEXT_PADDING + focus_width + focus_pad),
+ item->layout_height + 2 * (ICON_TEXT_PADDING + focus_width + focus_pad));
}
}
fill_color = gtk_gdk_color_to_rgb (fill_color_gdk) << 8 | fill_color_alpha;
- pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, rect.width, rect.height);
- gdk_pixbuf_fill (pixbuf, fill_color);
+ if (!gdk_draw_rectangle_alpha_libgtk_only (icon_view->priv->bin_window,
+ rect.x, rect.y, rect.width, rect.height,
+ fill_color_gdk,
+ fill_color_alpha << 8 | fill_color_alpha))
+ {
+ pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, rect.width, rect.height);
+ gdk_pixbuf_fill (pixbuf, fill_color);
+
+ gdk_draw_pixbuf (icon_view->priv->bin_window, NULL, pixbuf,
+ 0, 0,
+ rect.x,rect.y,
+ rect.width, rect.height,
+ GDK_RGB_DITHER_NONE,
+ 0, 0);
+ g_object_unref (pixbuf);
+ }
- gdk_draw_pixbuf (icon_view->priv->bin_window, NULL, pixbuf,
- 0, 0,
- rect.x,rect.y,
- rect.width, rect.height,
- GDK_RGB_DITHER_NONE,
- 0, 0);
- g_object_unref (pixbuf);
gc = gdk_gc_new (icon_view->priv->bin_window);
gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
gdk_gc_set_clip_rectangle (gc, &rect);
gtk_icon_view_set_cursor_item (GtkIconView *icon_view,
GtkIconViewItem *item)
{
+ AtkObject *obj;
+ AtkObject *item_obj;
+
if (icon_view->priv->cursor_item == item)
return;
icon_view->priv->cursor_item = item;
gtk_icon_view_queue_draw_item (icon_view, item);
+
+ /* Notify that accessible focus object has changed */
+ obj = gtk_widget_get_accessible (GTK_WIDGET (icon_view));
+ item_obj = atk_object_ref_accessible_child (obj, item->index);
+ atk_focus_tracker_notify (item_obj);
+ g_object_unref (item_obj);
}
g_return_if_fail (GTK_IS_ICON_VIEW (icon_view));
+ if (icon_view->priv->selection_mode == GTK_SELECTION_BROWSE)
+ return;
+
dirty = gtk_icon_view_unselect_all_internal (icon_view);
if (dirty)
g_signal_emit (G_OBJECT (icon_view), icon_view_signals[ITEM_ACTIVATED], 0, path);
}
+
+/**
+ * gtk_icon_view_set_orientation:
+ * @icon_view: a #GtkIconView
+ * @orientation: the relative position of texts and icons
+ *
+ * Sets the ::orientation property which determines whether the labels
+ * are drawn beside the icons instead of below.
+ *
+ * Since: 2.6
+ **/
+void
+gtk_icon_view_set_orientation (GtkIconView *icon_view,
+ GtkOrientation orientation)
+{
+ g_return_if_fail (GTK_IS_ICON_VIEW (icon_view));
+
+ if (icon_view->priv->orientation != orientation)
+ {
+ icon_view->priv->orientation = orientation;
+
+ gtk_icon_view_invalidate_sizes (icon_view);
+ gtk_icon_view_queue_layout (icon_view);
+
+ g_object_notify (G_OBJECT (icon_view), "orientation");
+ }
+}
+
+/**
+ * gtk_icon_view_get_orientation:
+ * @icon_view: a #GtkIconView
+ *
+ * Returns the value of the ::orientation property which determines
+ * whether the labels are drawn beside the icons instead of below.
+ *
+ * Return value: the relative position of texts and icons
+ *
+ * Since: 2.6
+ **/
+GtkOrientation
+gtk_icon_view_get_orientation (GtkIconView *icon_view)
+{
+ g_return_val_if_fail (GTK_IS_ICON_VIEW (icon_view),
+ GTK_ORIENTATION_VERTICAL);
+
+ return icon_view->priv->orientation;
+}
+
+/* Accessibility Support */
+
+static gpointer accessible_parent_class;
+static gpointer accessible_item_parent_class;
+static GQuark accessible_private_data_quark = 0;
+
+#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))
+
+static GType gtk_icon_view_item_accessible_get_type (void);
+
+enum {
+ ACTION_ACTIVATE,
+ LAST_ACTION
+};
+
+typedef struct
+{
+ AtkObject parent;
+
+ GtkIconViewItem *item;
+
+ GtkWidget *widget;
+
+ AtkStateSet *state_set;
+
+ gchar *text;
+
+ GtkTextBuffer *text_buffer;
+
+ gchar *action_descriptions[LAST_ACTION];
+ gchar *image_description;
+ guint action_idle_handler;
+} GtkIconViewItemAccessible;
+
+static const gchar *gtk_icon_view_item_accessible_action_names[] =
+{
+ "activate",
+ NULL
+};
+
+static const gchar *gtk_icon_view_item_accessible_action_descriptions[] =
+{
+ "Activate item",
+ NULL
+};
+typedef struct _GtkIconViewItemAccessibleClass
+{
+ AtkObjectClass parent_class;
+
+} GtkIconViewItemAccessibleClass;
+
+static gboolean gtk_icon_view_item_accessible_is_showing (GtkIconViewItemAccessible *item);
+
+static gboolean
+gtk_icon_view_item_accessible_idle_do_action (gpointer data)
+{
+ GtkIconViewItemAccessible *item;
+ GtkIconView *icon_view;
+ GtkTreePath *path;
+
+ item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (data);
+ item->action_idle_handler = NULL;
+
+ if (item->widget == NULL)
+ return FALSE;
+
+ 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_action_do_action (AtkAction *action,
+ gint i)
+{
+ GtkIconViewItemAccessible *item;
+ GtkIconView *icon_view;
+
+ if (i < 0 || i >= LAST_ACTION)
+ 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;
+
+ icon_view = GTK_ICON_VIEW (item->widget);
+
+ switch (i)
+ {
+ case ACTION_ACTIVATE:
+ if (!item->action_idle_handler)
+ item->action_idle_handler = g_idle_add (gtk_icon_view_item_accessible_idle_do_action, item);
+ break;
+ default:
+ g_assert_not_reached ();
+ return FALSE;
+
+ }
+ return TRUE;
+}
+
+static gint
+gtk_icon_view_item_accessible_action_get_n_actions (AtkAction *action)
+{
+ return LAST_ACTION;
+}
+
+static const gchar *
+gtk_icon_view_item_accessible_action_get_description (AtkAction *action,
+ gint i)
+{
+ GtkIconViewItemAccessible *item;
+
+ if (i < 0 || i >= LAST_ACTION)
+ return NULL;
+
+ item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (action);
+
+ if (item->action_descriptions[i])
+ return item->action_descriptions[i];
+ else
+ return gtk_icon_view_item_accessible_action_descriptions[i];
+}
+
+static const gchar *
+gtk_icon_view_item_accessible_action_get_name (AtkAction *action,
+ gint i)
+{
+ if (i < 0 || i >= LAST_ACTION)
+ return NULL;
+
+ return gtk_icon_view_item_accessible_action_names[i];
+}
+
+static gboolean
+gtk_icon_view_item_accessible_action_set_description (AtkAction *action,
+ gint i,
+ const gchar *description)
+{
+ GtkIconViewItemAccessible *item;
+
+ if (i < 0 || i >= LAST_ACTION)
+ return FALSE;
+
+ item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (action);
+
+ if (item->action_descriptions[i])
+ g_free (item->action_descriptions[i]);
+
+ item->action_descriptions[i] = g_strdup (description);
+
+ return TRUE;
+}
+
+static void
+atk_action_item_interface_init (AtkActionIface *iface)
+{
+ iface->do_action = gtk_icon_view_item_accessible_action_do_action;
+ iface->get_n_actions = gtk_icon_view_item_accessible_action_get_n_actions;
+ iface->get_description = gtk_icon_view_item_accessible_action_get_description;
+ iface->get_name = gtk_icon_view_item_accessible_action_get_name;
+ iface->set_description = gtk_icon_view_item_accessible_action_set_description;
+}
+
+static const gchar *
+gtk_icon_view_item_accessible_image_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_image_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 (item->image_description);
+
+ return TRUE;
+}
+
+static void
+gtk_icon_view_item_accessible_image_get_image_size (AtkImage *image,
+ gint *width,
+ gint *height)
+{
+ GtkIconViewItemAccessible *item;
+
+ 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 = item->item->pixbuf_width;
+ *height = item->item->pixbuf_height;
+}
+
+static void
+gtk_icon_view_item_accessible_image_get_image_position (AtkImage *image,
+ gint *x,
+ gint *y,
+ AtkCoordType coord_type)
+{
+ GtkIconViewItemAccessible *item;
+
+ 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_position (ATK_COMPONENT (image), x, y, coord_type);
+ *x+= item->item->pixbuf_x - item->item->x;
+ *y+= item->item->pixbuf_y - item->item->y;
+}
+
+static void
+atk_image_item_interface_init (AtkImageIface *iface)
+{
+ iface->get_image_description = gtk_icon_view_item_accessible_image_get_image_description;
+ iface->set_image_description = gtk_icon_view_item_accessible_image_set_image_description;
+ iface->get_image_size = gtk_icon_view_item_accessible_image_get_image_size;
+ iface->get_image_position = gtk_icon_view_item_accessible_image_get_image_position;
+}
+
+static gchar *
+gtk_icon_view_item_accessible_text_get_text (AtkText *text,
+ gint start_pos,
+ gint end_pos)
+{
+ GtkIconViewItemAccessible *item;
+ GtkTextIter start, end;
+ GtkTextBuffer *buffer;
+
+ item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (text);
+
+ if (!GTK_IS_ICON_VIEW (item->widget))
+ return NULL;
+
+ if (atk_state_set_contains_state (item->state_set, ATK_STATE_DEFUNCT))
+ return NULL;
+
+ buffer = item->text_buffer;
+ gtk_text_buffer_get_iter_at_offset (buffer, &start, start_pos);
+ if (end_pos < 0)
+ gtk_text_buffer_get_end_iter (buffer, &end);
+ else
+ gtk_text_buffer_get_iter_at_offset (buffer, &end, end_pos);
+
+ return gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
+}
+
+static gunichar
+gtk_icon_view_item_accessible_text_get_character_at_offset (AtkText *text,
+ gint offset)
+{
+ GtkIconViewItemAccessible *item;
+ GtkTextIter start, end;
+ GtkTextBuffer *buffer;
+ gchar *string;
+ gunichar unichar;
+
+ item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (text);
+
+ if (!GTK_IS_ICON_VIEW (item->widget))
+ return '\0';
+
+ if (atk_state_set_contains_state (item->state_set, ATK_STATE_DEFUNCT))
+ return '\0';
+
+ buffer = item->text_buffer;
+ if (offset >= gtk_text_buffer_get_char_count (buffer))
+ return '\0';
+
+ gtk_text_buffer_get_iter_at_offset (buffer, &start, offset);
+ end = start;
+ gtk_text_iter_forward_char (&end);
+ string = gtk_text_buffer_get_slice (buffer, &start, &end, FALSE);
+ unichar = g_utf8_get_char (string);
+ g_free(string);
+
+ return unichar;
+}
+
+static void
+get_pango_text_offsets (PangoLayout *layout,
+ GtkTextBuffer *buffer,
+ gint function,
+ AtkTextBoundary boundary_type,
+ gint offset,
+ gint *start_offset,
+ gint *end_offset,
+ GtkTextIter *start_iter,
+ GtkTextIter *end_iter)
+{
+ PangoLayoutIter *iter;
+ PangoLayoutLine *line, *prev_line = NULL, *prev_prev_line = NULL;
+ gint index, start_index, end_index;
+ const gchar *text;
+ gboolean found = FALSE;
+
+ text = pango_layout_get_text (layout);
+ index = g_utf8_offset_to_pointer (text, offset) - text;
+ iter = pango_layout_get_iter (layout);
+ do
+ {
+ line = pango_layout_iter_get_line (iter);
+ start_index = line->start_index;
+ end_index = start_index + line->length;
+
+ if (index >= start_index && index <= end_index)
+ {
+ /*
+ * Found line for offset
+ */
+ switch (function)
+ {
+ case 0:
+ /*
+ * We want the previous line
+ */
+ if (prev_line)
+ {
+ switch (boundary_type)
+ {
+ case ATK_TEXT_BOUNDARY_LINE_START:
+ end_index = start_index;
+ start_index = prev_line->start_index;
+ break;
+ case ATK_TEXT_BOUNDARY_LINE_END:
+ if (prev_prev_line)
+ start_index = prev_prev_line->start_index +
+ prev_prev_line->length;
+ end_index = prev_line->start_index + prev_line->length;
+ break;
+ default:
+ g_assert_not_reached();
+ }
+ }
+ else
+ start_index = end_index = 0;
+ break;
+ case 1:
+ switch (boundary_type)
+ {
+ case ATK_TEXT_BOUNDARY_LINE_START:
+ if (pango_layout_iter_next_line (iter))
+ end_index = pango_layout_iter_get_line (iter)->start_index;
+ break;
+ case ATK_TEXT_BOUNDARY_LINE_END:
+ if (prev_line)
+ start_index = prev_line->start_index +
+ prev_line->length;
+ break;
+ default:
+ g_assert_not_reached();
+ }
+ break;
+ case 2:
+ /*
+ * We want the next line
+ */
+ if (pango_layout_iter_next_line (iter))
+ {
+ line = pango_layout_iter_get_line (iter);
+ switch (boundary_type)
+ {
+ case ATK_TEXT_BOUNDARY_LINE_START:
+ start_index = line->start_index;
+ if (pango_layout_iter_next_line (iter))
+ end_index = pango_layout_iter_get_line (iter)->start_index;
+ else
+ end_index = start_index + line->length;
+ break;
+ case ATK_TEXT_BOUNDARY_LINE_END:
+ start_index = end_index;
+ end_index = line->start_index + line->length;
+ break;
+ default:
+ g_assert_not_reached();
+ }
+ }
+ else
+ start_index = end_index;
+ break;
+ }
+ found = TRUE;
+ break;
+ }
+ prev_prev_line = prev_line;
+ prev_line = line;
+ }
+ while (pango_layout_iter_next_line (iter));
+
+ if (!found)
+ {
+ start_index = prev_line->start_index + prev_line->length;
+ end_index = start_index;
+ }
+ pango_layout_iter_free (iter);
+ *start_offset = g_utf8_pointer_to_offset (text, text + start_index);
+ *end_offset = g_utf8_pointer_to_offset (text, text + end_index);
+
+ gtk_text_buffer_get_iter_at_offset (buffer, start_iter, *start_offset);
+ gtk_text_buffer_get_iter_at_offset (buffer, end_iter, *end_offset);
+}
+
+static gchar*
+gtk_icon_view_item_accessible_text_get_text_before_offset (AtkText *text,
+ gint offset,
+ AtkTextBoundary boundary_type,
+ gint *start_offset,
+ gint *end_offset)
+{
+ GtkIconViewItemAccessible *item;
+ GtkTextIter start, end;
+ GtkTextBuffer *buffer;
+ GtkIconView *icon_view;
+
+ item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (text);
+
+ if (!GTK_IS_ICON_VIEW (item->widget))
+ return NULL;
+
+ if (atk_state_set_contains_state (item->state_set, ATK_STATE_DEFUNCT))
+ return NULL;
+
+ buffer = item->text_buffer;
+
+ if (!gtk_text_buffer_get_char_count (buffer))
+ {
+ *start_offset = 0;
+ *end_offset = 0;
+ return g_strdup ("");
+ }
+ gtk_text_buffer_get_iter_at_offset (buffer, &start, offset);
+
+ end = start;
+
+ switch (boundary_type)
+ {
+ case ATK_TEXT_BOUNDARY_CHAR:
+ gtk_text_iter_backward_char(&start);
+ break;
+ case ATK_TEXT_BOUNDARY_WORD_START:
+ if (!gtk_text_iter_starts_word (&start))
+ gtk_text_iter_backward_word_start (&start);
+ end = start;
+ gtk_text_iter_backward_word_start(&start);
+ break;
+ case ATK_TEXT_BOUNDARY_WORD_END:
+ if (gtk_text_iter_inside_word (&start) &&
+ !gtk_text_iter_starts_word (&start))
+ gtk_text_iter_backward_word_start (&start);
+ while (!gtk_text_iter_ends_word (&start))
+ {
+ if (!gtk_text_iter_backward_char (&start))
+ break;
+ }
+ end = start;
+ gtk_text_iter_backward_word_start(&start);
+ while (!gtk_text_iter_ends_word (&start))
+ {
+ if (!gtk_text_iter_backward_char (&start))
+ break;
+ }
+ break;
+ case ATK_TEXT_BOUNDARY_SENTENCE_START:
+ if (!gtk_text_iter_starts_sentence (&start))
+ gtk_text_iter_backward_sentence_start (&start);
+ end = start;
+ gtk_text_iter_backward_sentence_start (&start);
+ break;
+ case ATK_TEXT_BOUNDARY_SENTENCE_END:
+ if (gtk_text_iter_inside_sentence (&start) &&
+ !gtk_text_iter_starts_sentence (&start))
+ gtk_text_iter_backward_sentence_start (&start);
+ while (!gtk_text_iter_ends_sentence (&start))
+ {
+ if (!gtk_text_iter_backward_char (&start))
+ break;
+ }
+ end = start;
+ gtk_text_iter_backward_sentence_start (&start);
+ while (!gtk_text_iter_ends_sentence (&start))
+ {
+ if (!gtk_text_iter_backward_char (&start))
+ break;
+ }
+ break;
+ case ATK_TEXT_BOUNDARY_LINE_START:
+ case ATK_TEXT_BOUNDARY_LINE_END:
+ icon_view = GTK_ICON_VIEW (item->widget);
+ gtk_icon_view_update_item_text (icon_view, item->item);
+ get_pango_text_offsets (icon_view->priv->layout,
+ buffer,
+ 0,
+ boundary_type,
+ offset,
+ start_offset,
+ end_offset,
+ &start,
+ &end);
+ break;
+ }
+
+ *start_offset = gtk_text_iter_get_offset (&start);
+ *end_offset = gtk_text_iter_get_offset (&end);
+
+ return gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
+}
+
+static gchar*
+gtk_icon_view_item_accessible_text_get_text_at_offset (AtkText *text,
+ gint offset,
+ AtkTextBoundary boundary_type,
+ gint *start_offset,
+ gint *end_offset)
+{
+ GtkIconViewItemAccessible *item;
+ GtkTextIter start, end;
+ GtkTextBuffer *buffer;
+ GtkIconView *icon_view;
+
+ item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (text);
+
+ if (!GTK_IS_ICON_VIEW (item->widget))
+ return NULL;
+
+ if (atk_state_set_contains_state (item->state_set, ATK_STATE_DEFUNCT))
+ return NULL;
+
+ buffer = item->text_buffer;
+
+ if (!gtk_text_buffer_get_char_count (buffer))
+ {
+ *start_offset = 0;
+ *end_offset = 0;
+ return g_strdup ("");
+ }
+ gtk_text_buffer_get_iter_at_offset (buffer, &start, offset);
+
+ end = start;
+
+ switch (boundary_type)
+ {
+ case ATK_TEXT_BOUNDARY_CHAR:
+ gtk_text_iter_forward_char (&end);
+ break;
+ case ATK_TEXT_BOUNDARY_WORD_START:
+ if (!gtk_text_iter_starts_word (&start))
+ gtk_text_iter_backward_word_start (&start);
+ if (gtk_text_iter_inside_word (&end))
+ gtk_text_iter_forward_word_end (&end);
+ while (!gtk_text_iter_starts_word (&end))
+ {
+ if (!gtk_text_iter_forward_char (&end))
+ break;
+ }
+ break;
+ case ATK_TEXT_BOUNDARY_WORD_END:
+ if (gtk_text_iter_inside_word (&start) &&
+ !gtk_text_iter_starts_word (&start))
+ gtk_text_iter_backward_word_start (&start);
+ while (!gtk_text_iter_ends_word (&start))
+ {
+ if (!gtk_text_iter_backward_char (&start))
+ break;
+ }
+ gtk_text_iter_forward_word_end (&end);
+ break;
+ case ATK_TEXT_BOUNDARY_SENTENCE_START:
+ if (!gtk_text_iter_starts_sentence (&start))
+ gtk_text_iter_backward_sentence_start (&start);
+ if (gtk_text_iter_inside_sentence (&end))
+ gtk_text_iter_forward_sentence_end (&end);
+ while (!gtk_text_iter_starts_sentence (&end))
+ {
+ if (!gtk_text_iter_forward_char (&end))
+ break;
+ }
+ break;
+ case ATK_TEXT_BOUNDARY_SENTENCE_END:
+ if (gtk_text_iter_inside_sentence (&start) &&
+ !gtk_text_iter_starts_sentence (&start))
+ gtk_text_iter_backward_sentence_start (&start);
+ while (!gtk_text_iter_ends_sentence (&start))
+ {
+ if (!gtk_text_iter_backward_char (&start))
+ break;
+ }
+ gtk_text_iter_forward_sentence_end (&end);
+ break;
+ case ATK_TEXT_BOUNDARY_LINE_START:
+ case ATK_TEXT_BOUNDARY_LINE_END:
+ icon_view = GTK_ICON_VIEW (item->widget);
+ gtk_icon_view_update_item_text (icon_view, item->item);
+ get_pango_text_offsets (icon_view->priv->layout,
+ buffer,
+ 1,
+ boundary_type,
+ offset,
+ start_offset,
+ end_offset,
+ &start,
+ &end);
+ break;
+ }
+
+
+ *start_offset = gtk_text_iter_get_offset (&start);
+ *end_offset = gtk_text_iter_get_offset (&end);
+
+ return gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
+}
+
+static gchar*
+gtk_icon_view_item_accessible_text_get_text_after_offset (AtkText *text,
+ gint offset,
+ AtkTextBoundary boundary_type,
+ gint *start_offset,
+ gint *end_offset)
+{
+ GtkIconViewItemAccessible *item;
+ GtkTextIter start, end;
+ GtkTextBuffer *buffer;
+ GtkIconView *icon_view;
+
+ item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (text);
+
+ if (!GTK_IS_ICON_VIEW (item->widget))
+ return NULL;
+
+ if (atk_state_set_contains_state (item->state_set, ATK_STATE_DEFUNCT))
+ return NULL;
+
+ buffer = item->text_buffer;
+
+ if (!gtk_text_buffer_get_char_count (buffer))
+ {
+ *start_offset = 0;
+ *end_offset = 0;
+ return g_strdup ("");
+ }
+ gtk_text_buffer_get_iter_at_offset (buffer, &start, offset);
+
+ end = start;
+
+ switch (boundary_type)
+ {
+ case ATK_TEXT_BOUNDARY_CHAR:
+ gtk_text_iter_forward_char(&start);
+ gtk_text_iter_forward_chars(&end, 2);
+ break;
+ case ATK_TEXT_BOUNDARY_WORD_START:
+ if (gtk_text_iter_inside_word (&end))
+ gtk_text_iter_forward_word_end (&end);
+ while (!gtk_text_iter_starts_word (&end))
+ {
+ if (!gtk_text_iter_forward_char (&end))
+ break;
+ }
+ start = end;
+ if (!gtk_text_iter_is_end (&end))
+ {
+ gtk_text_iter_forward_word_end (&end);
+ while (!gtk_text_iter_starts_word (&end))
+ {
+ if (!gtk_text_iter_forward_char (&end))
+ break;
+ }
+ }
+ break;
+ case ATK_TEXT_BOUNDARY_WORD_END:
+ gtk_text_iter_forward_word_end (&end);
+ start = end;
+ if (!gtk_text_iter_is_end (&end))
+ gtk_text_iter_forward_word_end (&end);
+ break;
+ case ATK_TEXT_BOUNDARY_SENTENCE_START:
+ if (gtk_text_iter_inside_sentence (&end))
+ gtk_text_iter_forward_sentence_end (&end);
+ while (!gtk_text_iter_starts_sentence (&end))
+ {
+ if (!gtk_text_iter_forward_char (&end))
+ break;
+ }
+ start = end;
+ if (!gtk_text_iter_is_end (&end))
+ {
+ gtk_text_iter_forward_sentence_end (&end);
+ while (!gtk_text_iter_starts_sentence (&end))
+ {
+ if (!gtk_text_iter_forward_char (&end))
+ break;
+ }
+ }
+ break;
+ case ATK_TEXT_BOUNDARY_SENTENCE_END:
+ gtk_text_iter_forward_sentence_end (&end);
+ start = end;
+ if (!gtk_text_iter_is_end (&end))
+ gtk_text_iter_forward_sentence_end (&end);
+ break;
+ case ATK_TEXT_BOUNDARY_LINE_START:
+ case ATK_TEXT_BOUNDARY_LINE_END:
+ icon_view = GTK_ICON_VIEW (item->widget);
+ gtk_icon_view_update_item_text (icon_view, item->item);
+ get_pango_text_offsets (icon_view->priv->layout,
+ buffer,
+ 2,
+ boundary_type,
+ offset,
+ start_offset,
+ end_offset,
+ &start,
+ &end);
+ break;
+ }
+ *start_offset = gtk_text_iter_get_offset (&start);
+ *end_offset = gtk_text_iter_get_offset (&end);
+
+ return gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
+}
+
+static gint
+gtk_icon_view_item_accessible_text_get_character_count (AtkText *text)
+{
+ GtkIconViewItemAccessible *item;
+ GtkTextIter start, end;
+
+ item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (text);
+
+ if (!GTK_IS_ICON_VIEW (item->widget))
+ return 0;
+
+ if (atk_state_set_contains_state (item->state_set, ATK_STATE_DEFUNCT))
+ return 0;
+
+ return gtk_text_buffer_get_char_count (item->text_buffer);
+}
+
+static void
+gtk_icon_view_item_accessible_text_get_character_extents (AtkText *text,
+ gint offset,
+ gint *x,
+ gint *y,
+ gint *width,
+ gint *height,
+ AtkCoordType coord_type)
+{
+ GtkIconViewItemAccessible *item;
+ GtkIconView *icon_view;
+ PangoRectangle char_rect;
+ const gchar *item_text;
+ gint index;
+
+ 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;
+
+ icon_view = GTK_ICON_VIEW (item->widget);
+ 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, MINIMUM_ICON_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;
+}
+
+static gint
+gtk_icon_view_item_accessible_text_get_offset_at_point (AtkText *text,
+ gint x,
+ gint y,
+ AtkCoordType coord_type)
+{
+ GtkIconViewItemAccessible *item;
+ GtkIconView *icon_view;
+ const gchar *item_text;
+ gint index;
+ gint offset;
+ gint l_x, l_y;
+
+ 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;
+
+ icon_view = GTK_ICON_VIEW (item->widget);
+ 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, MINIMUM_ICON_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);
+
+ return offset;
+}
+
+static void
+atk_text_item_interface_init (AtkTextIface *iface)
+{
+ iface->get_text = gtk_icon_view_item_accessible_text_get_text;
+ iface->get_character_at_offset = gtk_icon_view_item_accessible_text_get_character_at_offset;
+ iface->get_text_before_offset = gtk_icon_view_item_accessible_text_get_text_before_offset;
+ iface->get_text_at_offset = gtk_icon_view_item_accessible_text_get_text_at_offset;
+ iface->get_text_after_offset = gtk_icon_view_item_accessible_text_get_text_after_offset;
+ iface->get_character_count = gtk_icon_view_item_accessible_text_get_character_count;
+ iface->get_character_extents = gtk_icon_view_item_accessible_text_get_character_extents;
+ iface->get_offset_at_point = gtk_icon_view_item_accessible_text_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->width;
+ *height = item->item->height;
+ if (gtk_icon_view_item_accessible_is_showing (item))
+ {
+ parent_obj = gtk_widget_get_accessible (item->widget);
+ atk_component_get_position (ATK_COMPONENT (parent_obj), &l_x, &l_y, coord_type);
+ *x = l_x + item->item->x;
+ *y = l_y + item->item->y;
+ }
+ else
+ {
+ *x = G_MININT;
+ *y = G_MININT;
+ }
+}
+
+static gboolean
+gtk_icon_view_item_accessible_grab_focus (AtkComponent *component)
+{
+ GtkIconViewItemAccessible *item;
+ GtkWidget *toplevel;
+
+ 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);
+ toplevel = gtk_widget_get_toplevel (GTK_WIDGET (item->widget));
+ if (GTK_WIDGET_TOPLEVEL (toplevel))
+ gtk_window_present (GTK_WINDOW (toplevel));
+
+ 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)
+{
+ 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;
+
+ icon_view = GTK_ICON_VIEW (item->widget);
+ visible_rect.x = 0;
+ if (icon_view->priv->hadjustment)
+ visible_rect.x += icon_view->priv->hadjustment->value;
+ visible_rect.y = 0;
+ if (icon_view->priv->hadjustment)
+ visible_rect.y += icon_view->priv->vadjustment->value;
+ visible_rect.width = item->widget->allocation.width;
+ visible_rect.height = item->widget->allocation.height;
+
+ if (((item->item->x + item->item->width) < visible_rect.x) ||
+ ((item->item->y + item->item->height) < (visible_rect.y)) ||
+ (item->item->x > (visible_rect.x + visible_rect.width)) ||
+ (item->item->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))
+ gtk_icon_view_item_accessible_add_state (item, ATK_STATE_SHOWING, emit_signal);
+ else
+ gtk_icon_view_item_accessible_remove_state (item, ATK_STATE_SHOWING, emit_signal);
+}
+
+static void
+gtk_icon_view_item_accessible_object_init (GtkIconViewItemAccessible *item)
+{
+ gint i;
+
+ 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);
+
+ for (i = 0; i < LAST_ACTION; i++)
+ item->action_descriptions[i] = NULL;
+
+ item->image_description = NULL;
+
+ item->action_idle_handler = 0;
+}
+
+static void
+gtk_icon_view_item_accessible_finalize (GObject *object)
+{
+ GtkIconViewItemAccessible *item;
+ gint i;
+
+ g_return_if_fail (GTK_IS_ICON_VIEW_ITEM_ACCESSIBLE (object));
+
+ 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);
+
+ if (item->text_buffer)
+ g_object_unref (item->text_buffer);
+
+ for (i = 0; i < LAST_ACTION; i++)
+ g_free (item->action_descriptions[i]);
+
+ 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 (accessible_item_parent_class)->finalize (object);
+}
+
+static G_CONST_RETURN gchar*
+gtk_icon_view_item_accessible_get_name (AtkObject *obj)
+{
+ if (obj->name)
+ return obj->name;
+ else
+ {
+ GtkIconViewItemAccessible *item;
+ GtkTextIter start_iter;
+ GtkTextIter end_iter;
+
+ item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (obj);
+
+ gtk_text_buffer_get_start_iter (item->text_buffer, &start_iter);
+ gtk_text_buffer_get_end_iter (item->text_buffer, &end_iter);
+
+ return gtk_text_buffer_get_text (item->text_buffer, &start_iter, &end_iter, FALSE);
+ }
+}
+
+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);
+
+ return g_object_ref (item->state_set);
+}
+
+static void
+gtk_icon_view_item_accessible_class_init (AtkObjectClass *klass)
+{
+ GObjectClass *gobject_class;
+
+ accessible_item_parent_class = g_type_class_peek_parent (klass);
+
+ gobject_class = (GObjectClass *)klass;
+
+ gobject_class->finalize = gtk_icon_view_item_accessible_finalize;
+
+ klass->get_index_in_parent = gtk_icon_view_item_accessible_get_index_in_parent;
+ klass->get_name = gtk_icon_view_item_accessible_get_name;
+ klass->get_parent = gtk_icon_view_item_accessible_get_parent;
+ klass->ref_state_set = gtk_icon_view_item_accessible_ref_state_set;
+}
+
+static GType
+gtk_icon_view_item_accessible_get_type (void)
+{
+ static GType type = 0;
+
+ if (!type)
+ {
+ static const GTypeInfo tinfo =
+ {
+ sizeof (GtkIconViewItemAccessibleClass),
+ (GBaseInitFunc) NULL, /* base init */
+ (GBaseFinalizeFunc) NULL, /* base finalize */
+ (GClassInitFunc) gtk_icon_view_item_accessible_class_init, /* class init */
+ (GClassFinalizeFunc) NULL, /* class finalize */
+ NULL, /* class data */
+ sizeof (GtkIconViewItemAccessible), /* instance size */
+ 0, /* nb preallocs */
+ (GInstanceInitFunc) gtk_icon_view_item_accessible_object_init, /* instance init */
+ NULL /* value table */
+ };
+
+ static const GInterfaceInfo atk_component_info =
+ {
+ (GInterfaceInitFunc) atk_component_item_interface_init,
+ (GInterfaceFinalizeFunc) NULL,
+ NULL
+ };
+ static const GInterfaceInfo atk_action_info =
+ {
+ (GInterfaceInitFunc) atk_action_item_interface_init,
+ (GInterfaceFinalizeFunc) NULL,
+ NULL
+ };
+ static const GInterfaceInfo atk_image_info =
+ {
+ (GInterfaceInitFunc) atk_image_item_interface_init,
+ (GInterfaceFinalizeFunc) NULL,
+ NULL
+ };
+ static const GInterfaceInfo atk_text_info =
+ {
+ (GInterfaceInitFunc) atk_text_item_interface_init,
+ (GInterfaceFinalizeFunc) NULL,
+ NULL
+ };
+
+ type = g_type_register_static (ATK_TYPE_OBJECT,
+ "GtkIconViewItemAccessible", &tinfo, 0);
+ g_type_add_interface_static (type, ATK_TYPE_COMPONENT,
+ &atk_component_info);
+ g_type_add_interface_static (type, ATK_TYPE_ACTION,
+ &atk_action_info);
+ g_type_add_interface_static (type, ATK_TYPE_IMAGE,
+ &atk_image_info);
+ g_type_add_interface_static (type, ATK_TYPE_TEXT,
+ &atk_text_info);
+ }
+
+ return type;
+}
+
+#define GTK_TYPE_ICON_VIEW_ACCESSIBLE (gtk_icon_view_accessible_get_type ())
+#define GTK_ICON_VIEW_ACCESSIBLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_ICON_VIEW_ACCESSIBLE, GtkIconViewAccessible))
+#define GTK_IS_ICON_VIEW_ACCESSIBLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_ICON_VIEW_ACCESSIBLE))
+
+static GType gtk_icon_view_accessible_get_type (void);
+
+typedef struct
+{
+ AtkObject parent;
+} GtkIconViewAccessible;
+
+typedef struct
+{
+ AtkObject *item;
+ gint index;
+} GtkIconViewItemAccessibleInfo;
+
+typedef struct
+{
+ GList *items;
+
+ GtkAdjustment *old_hadj;
+ GtkAdjustment *old_vadj;
+
+ GtkTreeModel *model;
+
+} GtkIconViewAccessiblePrivate;
+
+static GtkIconViewAccessiblePrivate *
+gtk_icon_view_accessible_get_priv (AtkObject *accessible)
+{
+ return g_object_get_qdata (G_OBJECT (accessible),
+ accessible_private_data_quark);
+}
+
+static void
+gtk_icon_view_item_accessible_info_new (AtkObject *accessible,
+ AtkObject *item,
+ gint index)
+{
+ GtkIconViewItemAccessibleInfo *info;
+ GtkIconViewItemAccessibleInfo *tmp_info;
+ GtkIconViewAccessiblePrivate *priv;
+ GList *items;
+
+ info = g_new (GtkIconViewItemAccessibleInfo, 1);
+ info->item = item;
+ info->index = index;
+
+ priv = gtk_icon_view_accessible_get_priv (accessible);
+ items = priv->items;
+ while (items)
+ {
+ tmp_info = items->data;
+ if (tmp_info->index > index)
+ break;
+ items = items->next;
+ }
+ priv->items = g_list_insert_before (priv->items, items, info);
+ priv->old_hadj = NULL;
+ priv->old_vadj = NULL;
+}
+
+static gint
+gtk_icon_view_accessible_get_n_children (AtkObject *accessible)
+{
+ GtkIconView *icon_view;
+ GtkWidget *widget;
+ gint i;
+
+ widget = GTK_ACCESSIBLE (accessible)->widget;
+ 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)
+{
+ GtkIconViewAccessiblePrivate *priv;
+ GtkIconViewItemAccessibleInfo *info;
+ GList *items;
+
+ priv = gtk_icon_view_accessible_get_priv (accessible);
+ items = 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 (accessible)->widget;
+ 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_icon_view_item_accessible_get_type (), 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;
+ a11y_item->text_buffer = gtk_text_buffer_new (NULL);
+ gtk_icon_view_update_item_text (icon_view, item);
+ gtk_text_buffer_set_text (a11y_item->text_buffer,
+ pango_layout_get_text (icon_view->priv->layout),
+ -1);
+ 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)
+{
+ GtkIconViewAccessiblePrivate *priv;
+ GtkIconViewItemAccessibleInfo *info;
+ GtkIconViewItemAccessible *item;
+ GList *items;
+
+ priv = gtk_icon_view_accessible_get_priv (ATK_OBJECT (view));
+ if (priv->items)
+ {
+ GtkWidget *widget;
+ gboolean act_on_item;
+
+ widget = GTK_ACCESSIBLE (view)->widget;
+ if (widget == NULL)
+ return;
+
+ items = 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;
+ }
+ }
+}
+
+static void
+gtk_icon_view_accessible_adjustment_changed (GtkAdjustment *adjustment,
+ GtkIconView *icon_view)
+{
+ AtkObject *obj;
+ GtkIconViewAccessible *view;
+
+ /*
+ * The scrollbars have changed
+ */
+ obj = gtk_widget_get_accessible (GTK_WIDGET (icon_view));
+ view = GTK_ICON_VIEW_ACCESSIBLE (obj);
+
+ gtk_icon_view_accessible_traverse_items (view, NULL);
+}
+
+static void
+gtk_icon_view_accessible_set_scroll_adjustments (GtkWidget *widget,
+ GtkAdjustment *hadj,
+ GtkAdjustment *vadj)
+{
+ AtkObject *atk_obj;
+ GtkIconViewAccessiblePrivate *priv;
+
+ atk_obj = gtk_widget_get_accessible (widget);
+ priv = gtk_icon_view_accessible_get_priv (atk_obj);
+
+ if (priv->old_hadj != hadj)
+ {
+ if (priv->old_hadj)
+ {
+ g_object_remove_weak_pointer (G_OBJECT (priv->old_hadj),
+ (gpointer *)&priv->old_hadj);
+
+ g_signal_handlers_disconnect_by_func (priv->old_hadj,
+ (gpointer) gtk_icon_view_accessible_adjustment_changed,
+ widget);
+ }
+ priv->old_hadj = hadj;
+ if (priv->old_hadj)
+ {
+ g_object_add_weak_pointer (G_OBJECT (priv->old_hadj),
+ (gpointer *)&priv->old_hadj);
+ g_signal_connect (hadj,
+ "value-changed",
+ G_CALLBACK (gtk_icon_view_accessible_adjustment_changed),
+ widget);
+ }
+ }
+ if (priv->old_vadj != vadj)
+ {
+ if (priv->old_vadj)
+ {
+ g_object_remove_weak_pointer (G_OBJECT (priv->old_vadj),
+ (gpointer *)&priv->old_vadj);
+
+ g_signal_handlers_disconnect_by_func (priv->old_vadj,
+ (gpointer) gtk_icon_view_accessible_adjustment_changed,
+ widget);
+ }
+ priv->old_vadj = vadj;
+ if (priv->old_vadj)
+ {
+ g_object_add_weak_pointer (G_OBJECT (priv->old_vadj),
+ (gpointer *)&priv->old_vadj);
+ g_signal_connect (vadj,
+ "value-changed",
+ G_CALLBACK (gtk_icon_view_accessible_adjustment_changed),
+ widget);
+ }
+ }
+}
+
+static void
+gtk_icon_view_accessible_model_row_changed (GtkTreeModel *tree_model,
+ GtkTreePath *path,
+ GtkTreeIter *iter,
+ gpointer user_data)
+{
+ AtkObject *atk_obj;
+
+ atk_obj = gtk_widget_get_accessible (GTK_WIDGET (user_data));
+ 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)
+{
+ GtkIconViewAccessiblePrivate *priv;
+ 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);
+ priv = gtk_icon_view_accessible_get_priv (atk_obj);
+
+ items = 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 insetion %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)
+{
+ GtkIconViewAccessiblePrivate *priv;
+ 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);
+ priv = gtk_icon_view_accessible_get_priv (atk_obj);
+
+ items = priv->items;
+ tmp_list = NULL;
+ deleted_item = NULL;
+ while (items)
+ {
+ info = items->data;
+ item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (info->item);
+ if (info->index == index)
+ {
+ deleted_item = items;
+ }
+ if (info->index != item->item->index)
+ {
+ if (tmp_list = NULL)
+ tmp_list = items;
+ else
+ info->index = item->item->index;
+ }
+
+ items = items->next;
+ }
+ gtk_icon_view_accessible_traverse_items (view, tmp_list);
+ 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);
+ if (deleted_item)
+ {
+ priv->items = g_list_remove_link (priv->items, deleted_item);
+ g_free (info);
+ }
+
+ return;
+}
+
+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)
+{
+ GtkIconViewAccessiblePrivate *priv;
+ GtkIconViewItemAccessibleInfo *info;
+ GtkIconViewAccessible *view;
+ GtkIconView *icon_view;
+ GtkIconViewItemAccessible *item;
+ GList *items;
+ GList *tmp_list;
+ GList *new_list;
+ AtkObject *atk_obj;
+
+ atk_obj = gtk_widget_get_accessible (GTK_WIDGET (user_data));
+ icon_view = GTK_ICON_VIEW (user_data);
+ view = GTK_ICON_VIEW_ACCESSIBLE (atk_obj);
+ priv = gtk_icon_view_accessible_get_priv (atk_obj);
+
+ items = priv->items;
+ tmp_list = NULL;
+ while (items)
+ {
+ info = items->data;
+ item = GTK_ICON_VIEW_ITEM_ACCESSIBLE (info->item);
+ info->index = new_order[info->index];
+ tmp_list = g_list_nth (icon_view->priv->items, info->index);
+ item->item = tmp_list->data;
+ items = items->next;
+ }
+ priv->items = g_list_sort (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_data (obj, "row-changed",
+ (GCallback) gtk_icon_view_accessible_model_row_changed,
+ icon_view, NULL, 0);
+ g_signal_connect_data (obj, "row-inserted",
+ (GCallback) gtk_icon_view_accessible_model_row_inserted,
+ icon_view, NULL, G_CONNECT_AFTER);
+ g_signal_connect_data (obj, "row-deleted",
+ (GCallback) gtk_icon_view_accessible_model_row_deleted,
+ icon_view, NULL, G_CONNECT_AFTER);
+ g_signal_connect_data (obj, "rows-reordered",
+ (GCallback) gtk_icon_view_accessible_model_rows_reordered,
+ icon_view, NULL, G_CONNECT_AFTER);
+}
+
+static void
+gtk_icon_view_accessible_clear_cache (GtkIconViewAccessiblePrivate *priv)
+{
+ GtkIconViewItemAccessibleInfo *info;
+ GList *items;
+
+ items = priv->items;
+ while (items)
+ {
+ info = (GtkIconViewItemAccessibleInfo *) items->data;
+ g_object_unref (info->item);
+ g_free (items->data);
+ items = items->next;
+ }
+ g_list_free (priv->items);
+ 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;
+ GtkIconViewAccessiblePrivate *priv;
+
+ if (strcmp (pspec->name, "model") == 0)
+ {
+ widget = GTK_WIDGET (obj);
+ atk_obj = gtk_widget_get_accessible (widget);
+ view = GTK_ICON_VIEW_ACCESSIBLE (atk_obj);
+ priv = gtk_icon_view_accessible_get_priv (atk_obj);
+ if (priv->model)
+ {
+ g_object_remove_weak_pointer (G_OBJECT (priv->model),
+ (gpointer *)&priv->model);
+ gtk_icon_view_accessible_disconnect_model_signals (priv->model, widget);
+ }
+ gtk_icon_view_accessible_clear_cache (priv);
+
+ icon_view = GTK_ICON_VIEW (obj);
+ priv->model = icon_view->priv->model;
+ /* If there is no model the GtkIconView is probably being destroyed */
+ if (priv->model)
+ {
+ g_object_add_weak_pointer (G_OBJECT (priv->model), (gpointer *)&priv->model);
+ gtk_icon_view_accessible_connect_model_signals (icon_view);
+ }
+ }
+
+ return;
+}
+
+static void
+gtk_icon_view_accessible_initialize (AtkObject *accessible,
+ gpointer data)
+{
+ GtkIconViewAccessiblePrivate *priv;
+ GtkIconView *icon_view;
+
+ if (ATK_OBJECT_CLASS (accessible_parent_class)->initialize)
+ ATK_OBJECT_CLASS (accessible_parent_class)->initialize (accessible, data);
+
+ priv = g_new0 (GtkIconViewAccessiblePrivate, 1);
+ g_object_set_qdata (G_OBJECT (accessible),
+ accessible_private_data_quark,
+ priv);
+
+ icon_view = GTK_ICON_VIEW (data);
+ if (icon_view->priv->hadjustment)
+ {
+ priv->old_hadj = icon_view->priv->hadjustment;
+ g_object_add_weak_pointer (G_OBJECT (priv->old_hadj), (gpointer *)&priv->old_hadj);
+ g_signal_connect (icon_view->priv->hadjustment,
+ "value-changed",
+ G_CALLBACK (gtk_icon_view_accessible_adjustment_changed),
+ icon_view);
+ }
+ if (icon_view->priv->vadjustment)
+ {
+ priv->old_vadj = icon_view->priv->vadjustment;
+ g_object_add_weak_pointer (G_OBJECT (priv->old_vadj), (gpointer *)&priv->old_vadj);
+ g_signal_connect (icon_view->priv->vadjustment,
+ "value-changed",
+ G_CALLBACK (gtk_icon_view_accessible_adjustment_changed),
+ icon_view);
+ }
+ g_signal_connect_after (data,
+ "set_scroll_adjustments",
+ G_CALLBACK (gtk_icon_view_accessible_set_scroll_adjustments),
+ NULL);
+ g_signal_connect (data,
+ "notify",
+ G_CALLBACK (gtk_icon_view_accessible_notify_gtk),
+ NULL);
+
+ priv->model = icon_view->priv->model;
+ if (priv->model)
+ {
+ g_object_add_weak_pointer (G_OBJECT (priv->model), (gpointer *)&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)
+{
+ GtkIconViewAccessiblePrivate *priv;
+
+ priv = gtk_icon_view_accessible_get_priv (ATK_OBJECT (object));
+ gtk_icon_view_accessible_clear_cache (priv);
+
+ g_free (priv);
+
+ G_OBJECT_CLASS (accessible_parent_class)->finalize (object);
+}
+
+static void
+gtk_icon_view_accessible_destroyed (GtkWidget *widget,
+ GtkAccessible *accessible)
+{
+ AtkObject *atk_obj;
+ GtkIconViewAccessiblePrivate *priv;
+
+ atk_obj = ATK_OBJECT (accessible);
+ priv = gtk_icon_view_accessible_get_priv (atk_obj);
+ if (priv->old_hadj)
+ {
+ g_object_remove_weak_pointer (G_OBJECT (priv->old_hadj),
+ (gpointer *)&priv->old_hadj);
+
+ g_signal_handlers_disconnect_by_func (priv->old_hadj,
+ (gpointer) gtk_icon_view_accessible_adjustment_changed,
+ widget);
+ priv->old_hadj = NULL;
+ }
+ if (priv->old_vadj)
+ {
+ g_object_remove_weak_pointer (G_OBJECT (priv->old_vadj),
+ (gpointer *)&priv->old_vadj);
+
+ g_signal_handlers_disconnect_by_func (priv->old_vadj,
+ (gpointer) gtk_icon_view_accessible_adjustment_changed,
+ widget);
+ priv->old_vadj = NULL;
+ }
+}
+
+static void
+gtk_icon_view_accessible_connect_widget_destroyed (GtkAccessible *accessible)
+{
+ if (accessible->widget)
+ {
+ g_signal_connect_after (accessible->widget,
+ "destroy",
+ G_CALLBACK (gtk_icon_view_accessible_destroyed),
+ accessible);
+ }
+ GTK_ACCESSIBLE_CLASS (accessible_parent_class)->connect_widget_destroyed (accessible);
+}
+
+static void
+gtk_icon_view_accessible_class_init (AtkObjectClass *klass)
+{
+ GObjectClass *gobject_class;
+ GtkAccessibleClass *accessible_class;
+
+ accessible_parent_class = g_type_class_peek_parent (klass);
+
+ gobject_class = (GObjectClass *)klass;
+ accessible_class = (GtkAccessibleClass *)klass;
+
+ gobject_class->finalize = gtk_icon_view_accessible_finalize;
+
+ klass->get_n_children = gtk_icon_view_accessible_get_n_children;
+ klass->ref_child = gtk_icon_view_accessible_ref_child;
+ klass->initialize = gtk_icon_view_accessible_initialize;
+
+ accessible_class->connect_widget_destroyed = gtk_icon_view_accessible_connect_widget_destroyed;
+
+ accessible_private_data_quark = g_quark_from_static_string ("icon_view-accessible-private-data");
+}
+
+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 (component)->widget;
+ if (widget == NULL)
+ /* State is defunct */
+ 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_pos (icon_view, x - x_pos, y - y_pos);
+ 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;
+ GList *l;
+
+ widget = GTK_ACCESSIBLE (selection)->widget;
+ if (widget == NULL)
+ return FALSE;
+
+ icon_view = GTK_ICON_VIEW (widget);
+
+ l = g_list_nth (icon_view->priv->items, i);
+ if (!l)
+ return FALSE;
+
+ item = l->data;
+ 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 (selection)->widget;
+ 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)
+{
+ GtkWidget *widget;
+ GtkIconView *icon_view;
+ GtkIconViewItem *item;
+ GList *l;
+
+ widget = GTK_ACCESSIBLE (selection)->widget;
+ if (widget == NULL)
+ return FALSE;
+
+ 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 (selection)->widget;
+ 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;
+ GList *l;
+
+ widget = GTK_ACCESSIBLE (selection)->widget;
+ if (widget == NULL)
+ return FALSE;
+
+ icon_view = GTK_ICON_VIEW (widget);
+ l = g_list_nth (icon_view->priv->items, i);
+ if (!l)
+ return FALSE;
+
+ item = l->data;
+
+ 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 (selection)->widget;
+ 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;
+ GList *l;
+
+ widget = GTK_ACCESSIBLE (selection)->widget;
+ if (widget == NULL)
+ return FALSE;
+
+ icon_view = GTK_ICON_VIEW (widget);
+ gtk_icon_view_select_all (icon_view);
+ return TRUE;
+}
+
+static void
+gtk_icon_view_accessible_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;
+}
+
+static GType
+gtk_icon_view_accessible_get_type (void)
+{
+ static GType type = 0;
+
+ if (!type)
+ {
+ static GTypeInfo tinfo =
+ {
+ 0, /* class size */
+ (GBaseInitFunc) NULL, /* base init */
+ (GBaseFinalizeFunc) NULL, /* base finalize */
+ (GClassInitFunc) gtk_icon_view_accessible_class_init,
+ (GClassFinalizeFunc) NULL, /* class finalize */
+ NULL, /* class data */
+ 0, /* instance size */
+ 0, /* nb preallocs */
+ (GInstanceInitFunc) NULL, /* instance init */
+ NULL /* value table */
+ };
+ static const GInterfaceInfo atk_component_info =
+ {
+ (GInterfaceInitFunc) atk_component_interface_init,
+ (GInterfaceFinalizeFunc) NULL,
+ NULL
+ };
+ static GInterfaceInfo atk_selection_info =
+ {
+ (GInterfaceInitFunc) gtk_icon_view_accessible_selection_interface_init,
+ (GInterfaceFinalizeFunc) NULL,
+ NULL
+ };
+
+ /*
+ * Figure out the size of the class and instance
+ * we are deriving from
+ */
+ AtkObjectFactory *factory;
+ GType derived_type;
+ GTypeQuery query;
+ GType derived_atk_type;
+
+ derived_type = g_type_parent (GTK_TYPE_ICON_VIEW);
+ factory = atk_registry_get_factory (atk_get_default_registry (),
+ derived_type);
+ derived_atk_type = atk_object_factory_get_accessible_type (factory);
+ g_type_query (derived_atk_type, &query);
+ tinfo.class_size = query.class_size;
+ tinfo.instance_size = query.instance_size;
+
+ type = g_type_register_static (derived_atk_type,
+ "GtkIconViewAccessible",
+ &tinfo, 0);
+ g_type_add_interface_static (type, ATK_TYPE_COMPONENT,
+ &atk_component_info);
+ g_type_add_interface_static (type, ATK_TYPE_SELECTION,
+ &atk_selection_info);
+ }
+ return type;
+}
+
+AtkObject *
+gtk_icon_view_accessible_new (GObject *obj)
+{
+ AtkObject *accessible;
+
+ g_return_val_if_fail (GTK_IS_WIDGET (obj), NULL);
+
+ accessible = g_object_new (gtk_icon_view_accessible_get_type (), NULL);
+ atk_object_initialize (accessible, obj);
+
+ return accessible;
+}
+
+static GType
+gtk_icon_view_accessible_factory_get_accessible_type (void)
+{
+ return gtk_icon_view_accessible_get_type ();
+}
+
+static AtkObject*
+gtk_icon_view_accessible_factory_create_accessible (GObject *obj)
+{
+ return gtk_icon_view_accessible_new (obj);
+}
+
+static void
+gtk_icon_view_accessible_factory_class_init (AtkObjectFactoryClass *klass)
+{
+ klass->create_accessible = gtk_icon_view_accessible_factory_create_accessible;
+ klass->get_accessible_type = gtk_icon_view_accessible_factory_get_accessible_type;
+}
+
+static GType
+gtk_icon_view_accessible_factory_get_type (void)
+{
+ static GType type = 0;
+
+ if (!type)
+ {
+ static const GTypeInfo tinfo =
+ {
+ sizeof (AtkObjectFactoryClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) gtk_icon_view_accessible_factory_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (AtkObjectFactory),
+ 0, /* n_preallocs */
+ NULL, NULL
+ };
+
+ type = g_type_register_static (ATK_TYPE_OBJECT_FACTORY,
+ "GtkIconViewAccessibleFactory",
+ &tinfo, 0);
+ }
+ return type;
+}
+
+static AtkObject *
+gtk_icon_view_get_accessible (GtkWidget *widget)
+{
+ static gboolean first_time = TRUE;
+
+ if (first_time)
+ {
+ AtkObjectFactory *factory;
+ AtkRegistry *registry;
+ GType derived_type;
+ GType derived_atk_type;
+
+ /*
+ * Figure out whether accessibility is enabled by looking at the
+ * type of the accessible object which would be created for
+ * the parent type of GtkIconView.
+ */
+ derived_type = g_type_parent (GTK_TYPE_ICON_VIEW);
+
+ registry = atk_get_default_registry ();
+ factory = atk_registry_get_factory (registry,
+ derived_type);
+ derived_atk_type = atk_object_factory_get_accessible_type (factory);
+ if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
+ atk_registry_set_factory_type (registry,
+ GTK_TYPE_ICON_VIEW,
+ gtk_icon_view_accessible_factory_get_type ());
+ first_time = FALSE;
+ }
+ return GTK_WIDGET_CLASS (parent_class)->get_accessible (widget);
+}
+
projects / ~andy / gtk / blobdiff