static gboolean
html_engine_get_table_start_end_cells (HTMLEngine *e,
                                       HTMLTableCell **start_cell,
                                       HTMLTableCell **end_cell)
{
	if (!e->cursor->object->parent ||
	    !e->cursor->object->parent->parent ||
	    !HTML_IS_TABLE_CELL (e->cursor->object->parent->parent))
		return FALSE;
	if (html_engine_is_selection_active (e))        {
		if (!e->mark->object->parent ||
		    !e->mark->object->parent->parent ||
		    !HTML_IS_TABLE_CELL (e->mark->object->parent->parent) ||
		    HTML_TABLE (e->mark->object->parent->parent->parent) != html_engine_get_table (e))
			return FALSE;
		if (html_cursor_precedes (e->cursor, e->mark)) {
			*start_cell = HTML_TABLE_CELL (e->cursor->object->parent->parent);
			*end_cell = HTML_TABLE_CELL (e->mark->object->parent->parent);
		} else {
			*start_cell = HTML_TABLE_CELL (e->mark->object->parent->parent);
			*end_cell = HTML_TABLE_CELL (e->cursor->object->parent->parent);
		}
	} else {
		*start_cell = *end_cell = html_engine_get_table_cell (e);
	}

	return TRUE;
}
示例#2
0
void
gtkhtml_editor_update_context (GtkhtmlEditor *editor)
{
	GtkHTML *html;
	HTMLType type;
	HTMLObject *object;
	GtkUIManager *manager;
	GtkActionGroup *action_group;
	GList *list;
	gboolean visible;
	guint merge_id;

	html = gtkhtml_editor_get_html (editor);
	manager = gtkhtml_editor_get_ui_manager (editor);
	gtk_html_update_styles (html);

	/* Update context menu item visibility. */

	object = html->engine->cursor->object;

	if (object != NULL)
		type = HTML_OBJECT_TYPE (object);
	else
		type = HTML_TYPE_NONE;

	visible = (type == HTML_TYPE_IMAGE);
	gtk_action_set_visible (ACTION (CONTEXT_PROPERTIES_IMAGE), visible);

	visible = (type == HTML_TYPE_LINKTEXT);
	gtk_action_set_visible (ACTION (CONTEXT_PROPERTIES_LINK), visible);

	visible = (type == HTML_TYPE_RULE);
	gtk_action_set_visible (ACTION (CONTEXT_PROPERTIES_RULE), visible);

	visible = (type == HTML_TYPE_TEXT);
	gtk_action_set_visible (ACTION (CONTEXT_PROPERTIES_TEXT), visible);

	visible =
		gtk_action_get_visible (ACTION (CONTEXT_PROPERTIES_IMAGE)) ||
		gtk_action_get_visible (ACTION (CONTEXT_PROPERTIES_LINK)) ||
		gtk_action_get_visible (ACTION (CONTEXT_PROPERTIES_TEXT));
	gtk_action_set_visible (ACTION (CONTEXT_PROPERTIES_PARAGRAPH), visible);

	/* Set to visible if any of these are true:
	 *   - Selection is active and contains a link.
	 *   - Cursor is on a link.
	 *   - Cursor is on an image that has a URL or target.
	 */
	visible =
		(html_engine_is_selection_active (html->engine) &&
		 html_engine_selection_contains_link (html->engine)) ||
		(type == HTML_TYPE_LINKTEXT) ||
		(type == HTML_TYPE_IMAGE &&
			(HTML_IMAGE (object)->url != NULL ||
			 HTML_IMAGE (object)->target != NULL));
	gtk_action_set_visible (ACTION (CONTEXT_REMOVE_LINK), visible);

	/* Get the parent object. */
	object = (object != NULL) ? object->parent : NULL;

	/* Get the grandparent object. */
	object = (object != NULL) ? object->parent : NULL;

	if (object != NULL)
		type = HTML_OBJECT_TYPE (object);
	else
		type = HTML_TYPE_NONE;

	visible = (type == HTML_TYPE_TABLECELL);
	gtk_action_set_visible (ACTION (CONTEXT_DELETE_CELL), visible);
	gtk_action_set_visible (ACTION (CONTEXT_DELETE_COLUMN), visible);
	gtk_action_set_visible (ACTION (CONTEXT_DELETE_ROW), visible);
	gtk_action_set_visible (ACTION (CONTEXT_DELETE_TABLE), visible);
	gtk_action_set_visible (ACTION (CONTEXT_INSERT_COLUMN_AFTER), visible);
	gtk_action_set_visible (ACTION (CONTEXT_INSERT_COLUMN_BEFORE), visible);
	gtk_action_set_visible (ACTION (CONTEXT_INSERT_ROW_ABOVE), visible);
	gtk_action_set_visible (ACTION (CONTEXT_INSERT_ROW_BELOW), visible);
	gtk_action_set_visible (ACTION (CONTEXT_INSERT_TABLE), visible);
	gtk_action_set_visible (ACTION (CONTEXT_PROPERTIES_CELL), visible);

	/* Get the great grandparent object. */
	object = (object != NULL) ? object->parent : NULL;

	if (object != NULL)
		type = HTML_OBJECT_TYPE (object);
	else
		type = HTML_TYPE_NONE;

	/* Note the |= (cursor must be in a table cell). */
	visible |= (type == HTML_TYPE_TABLE);
	gtk_action_set_visible (ACTION (CONTEXT_PROPERTIES_TABLE), visible);

	/********************** Spell Check Suggestions **********************/

	object = html->engine->cursor->object;
	action_group = editor->priv->suggestion_actions;

	/* Remove the old content from the context menu. */
	merge_id = editor->priv->spell_suggestions_merge_id;
	if (merge_id > 0) {
		gtk_ui_manager_remove_ui (manager, merge_id);
		editor->priv->spell_suggestions_merge_id = 0;
	}

	/* Clear the action group for spelling suggestions. */
	list = gtk_action_group_list_actions (action_group);
	while (list != NULL) {
		GtkAction *action = list->data;

		gtk_action_group_remove_action (action_group, action);
		list = g_list_delete_link (list, list);
	}

	/* Decide if we should show spell checking items. */
	visible =
		!html_engine_is_selection_active (html->engine) &&
		object != NULL && html_object_is_text (object) &&
		!html_engine_spell_word_is_valid (html->engine);
	action_group = editor->priv->spell_check_actions;
	gtk_action_group_set_visible (action_group, visible);

	/* Exit early if spell checking items are invisible. */
	if (!visible)
		return;

	list = editor->priv->active_spell_checkers;
	merge_id = gtk_ui_manager_new_merge_id (manager);
	editor->priv->spell_suggestions_merge_id = merge_id;

	/* Handle a single active language as a special case. */
	if (g_list_length (list) == 1) {
		editor_inline_spelling_suggestions (editor, list->data);
		return;
	}

	/* Add actions and context menu content for active languages. */
	g_list_foreach (list, (GFunc) editor_spell_checkers_foreach, editor);
}