- 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;
-}
-
-#if 0
-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_readonly (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_readonly (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_readonly (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_readonly (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);
-}
-#endif
-
-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;
-#if 0
- GtkIconView *icon_view;
-#endif
-
- 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:
-#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);
- get_pango_text_offsets (icon_view->priv->layout,
- buffer,
- 0,
- boundary_type,
- offset,
- start_offset,
- end_offset,
- &start,
- &end);
-#endif
- 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;
-#if 0
- GtkIconView *icon_view;
-#endif
-
- 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:
-#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);
- get_pango_text_offsets (icon_view->priv->layout,
- buffer,
- 1,
- boundary_type,
- offset,
- start_offset,
- end_offset,
- &start,
- &end);
-#endif
- 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;
-#if 0
- GtkIconView *icon_view;
-#endif
-
- 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:
-#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);
- get_pango_text_offsets (icon_view->priv->layout,
- buffer,
- 2,
- boundary_type,
- offset,
- start_offset,
- end_offset,
- &start,
- &end);
-#endif
- 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;
-
- 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;
-#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_text_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_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->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_position (ATK_COMPONENT (parent_obj), &l_x, &l_y, 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;
- 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, NULL);
- toplevel = gtk_widget_get_toplevel (GTK_WIDGET (item->widget));
- if (gtk_widget_is_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)
-{
- 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->hadjustment)
- 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_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);
- 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 (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)
- {
- 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 */
- };
-
- const GInterfaceInfo atk_component_info =
- {
- (GInterfaceInitFunc) atk_component_item_interface_init,
- (GInterfaceFinalizeFunc) NULL,
- NULL
- };
- const GInterfaceInfo atk_action_info =
- {
- (GInterfaceInitFunc) atk_action_item_interface_init,
- (GInterfaceFinalizeFunc) NULL,
- NULL
- };
- const GInterfaceInfo atk_image_info =
- {
- (GInterfaceInitFunc) atk_image_item_interface_init,
- (GInterfaceFinalizeFunc) NULL,
- NULL
- };
- const GInterfaceInfo atk_text_info =
- {
- (GInterfaceInitFunc) atk_text_item_interface_init,
- (GInterfaceFinalizeFunc) NULL,
- NULL
- };
-
- type = g_type_register_static (ATK_TYPE_OBJECT,
- I_("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;
-
- 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)
-{
- 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_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)
- {
- gchar *text;
-
- 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);
-
- text = get_text (icon_view, item);
- if (text)
- {
- gtk_text_buffer_set_text (a11y_item->text_buffer, text, -1);
- g_free (text);
- }
-
- 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_get_widget (GTK_ACCESSIBLE (view));
- 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,
- GtkIconViewAccessible *view)
-{
- gtk_icon_view_accessible_traverse_items (view, NULL);
-}
-
-static void
-gtk_icon_view_accessible_set_adjustment (AtkObject *accessible,
- GtkOrientation orientation,
- GtkAdjustment *adjustment)
-{
- GtkIconViewAccessiblePrivate *priv;
- GtkAdjustment **old_adj_ptr;
-
- priv = gtk_icon_view_accessible_get_priv (accessible);
-
- /* Adjustments are set for the first time in constructor and priv is not
- * initialized at that time, so skip this first setting. */
- if (!priv)
- return;
-
- if (orientation == GTK_ORIENTATION_HORIZONTAL)
- {
- if (priv->old_hadj == adjustment)
- return;
-
- old_adj_ptr = &priv->old_hadj;
- }
- else
- {
- if (priv->old_vadj == adjustment)
- return;
-
- old_adj_ptr = &priv->old_vadj;
- }
-
- /* Disconnect signal handlers */
- if (*old_adj_ptr)
- {
- g_object_remove_weak_pointer (G_OBJECT (*old_adj_ptr),
- (gpointer *)&priv->old_hadj);
- g_signal_handlers_disconnect_by_func (*old_adj_ptr,
- gtk_icon_view_accessible_adjustment_changed,
- accessible);
- }
-
- /* Connect signal */
- *old_adj_ptr = adjustment;
- g_object_add_weak_pointer (G_OBJECT (adjustment), (gpointer *)old_adj_ptr);
- g_signal_connect (adjustment, "value-changed",
- G_CALLBACK (gtk_icon_view_accessible_adjustment_changed),
- accessible);
-}
-
-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;
- gchar *text;
-
- 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 = gtk_icon_view_item_accessible_get_name (ATK_OBJECT (a11y_item));
-
- if (!name || strcmp (name, "") == 0)
- {
- text = get_text (icon_view, item);
- if (text)
- {
- gtk_text_buffer_set_text (a11y_item->text_buffer, text, -1);
- g_free (text);
- }
- }
- }
-
- 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 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)
-{
- 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;
- info = 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;
-
- 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);
- priv->items = g_list_remove_link (priv->items, deleted_item);
- g_free (info);
- }
-
- 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)
-{
- GtkIconViewAccessiblePrivate *priv;
- 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);
- priv = gtk_icon_view_accessible_get_priv (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 = 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);
- 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;
- GtkIconViewAccessiblePrivate *priv;
-
- if (strcmp (pspec->name, "model") == 0)
- {
- widget = GTK_WIDGET (obj);
- atk_obj = gtk_widget_get_accessible (widget);
- 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)
- gtk_icon_view_accessible_set_adjustment (accessible,
- GTK_ORIENTATION_HORIZONTAL,
- icon_view->priv->hadjustment);
- if (icon_view->priv->vadjustment)
- gtk_icon_view_accessible_set_adjustment (accessible,
- GTK_ORIENTATION_VERTICAL,
- icon_view->priv->vadjustment);
- 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,
- accessible);
- 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,
- accessible);
- priv->old_vadj = NULL;
- }
-}
-
-static void
-gtk_icon_view_accessible_connect_widget_destroyed (GtkAccessible *accessible)
-{
- GtkWidget *widget;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
- if (widget)
- {
- g_signal_connect_after (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_get_widget (GTK_ACCESSIBLE (component));
- 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_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
-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)
- {
- 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 */
- };
- const GInterfaceInfo atk_component_info =
- {
- (GInterfaceInitFunc) atk_component_interface_init,
- (GInterfaceFinalizeFunc) NULL,
- NULL
- };
- const 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,
- I_("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;
-}
-
-static 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)
- {
- 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,
- I_("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);