/* The GIMP -- an image manipulation program * Copyright (C) 1995 Spencer Kimball and Peter Mattis * * gimpcontainermenuimpl.c * Copyright (C) 2001 Michael Natterer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "config.h" #include #include #include "widgets-types.h" #include "core/gimpcontainer.h" #include "core/gimpcontext.h" #include "core/gimpviewable.h" #include "gimpcontainermenuimpl.h" #include "gimpmenuitem.h" #include "gimppreview.h" #include "gimppreviewrenderer.h" static void gimp_container_menu_impl_class_init (GimpContainerMenuImplClass *klass); static void gimp_container_menu_impl_init (GimpContainerMenuImpl *panel); static gpointer gimp_container_menu_impl_insert_item (GimpContainerMenu *view, GimpViewable *viewable, gint index); static void gimp_container_menu_impl_remove_item (GimpContainerMenu *view, GimpViewable *viewable, gpointer insert_data); static void gimp_container_menu_impl_reorder_item (GimpContainerMenu *view, GimpViewable *viewable, gint new_index, gpointer insert_data); static void gimp_container_menu_impl_select_item (GimpContainerMenu *view, GimpViewable *viewable, gpointer insert_data); static void gimp_container_menu_impl_clear_items (GimpContainerMenu *view); static void gimp_container_menu_impl_set_preview_size (GimpContainerMenu *view); static void gimp_container_menu_impl_set_history (GimpContainerMenu *view, gint history); static void gimp_container_menu_impl_item_selected (GtkWidget *widget, gpointer data); static GimpContainerMenuClass *parent_class = NULL; GType gimp_container_menu_impl_get_type (void) { static GType menu_type = 0; if (! menu_type) { static const GTypeInfo menu_info = { sizeof (GimpContainerMenuImplClass), NULL, /* base_init */ NULL, /* base_finalize */ (GClassInitFunc) gimp_container_menu_impl_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof (GimpContainerMenuImpl), 0, /* n_preallocs */ (GInstanceInitFunc) gimp_container_menu_impl_init, }; menu_type = g_type_register_static (GIMP_TYPE_CONTAINER_MENU, "GimpContainerMenuImpl", &menu_info, 0); } return menu_type; } static void gimp_container_menu_impl_class_init (GimpContainerMenuImplClass *klass) { GimpContainerMenuClass *container_menu_class; container_menu_class = GIMP_CONTAINER_MENU_CLASS (klass); parent_class = g_type_class_peek_parent (klass); container_menu_class->insert_item = gimp_container_menu_impl_insert_item; container_menu_class->remove_item = gimp_container_menu_impl_remove_item; container_menu_class->reorder_item = gimp_container_menu_impl_reorder_item; container_menu_class->select_item = gimp_container_menu_impl_select_item; container_menu_class->clear_items = gimp_container_menu_impl_clear_items; container_menu_class->set_preview_size = gimp_container_menu_impl_set_preview_size; } static void gimp_container_menu_impl_init (GimpContainerMenuImpl *menu_impl) { menu_impl->empty_item = NULL; } GtkWidget * gimp_container_menu_new (GimpContainer *container, GimpContext *context, gint preview_size, gint preview_border_width) { GimpContainerMenuImpl *menu_impl; GimpContainerMenu *menu; g_return_val_if_fail (container == NULL || GIMP_IS_CONTAINER (container), NULL); g_return_val_if_fail (context == NULL || GIMP_IS_CONTEXT (context), NULL); g_return_val_if_fail (preview_size > 0 && preview_size <= GIMP_VIEWABLE_MAX_POPUP_SIZE, NULL); g_return_val_if_fail (preview_border_width >= 0 && preview_border_width <= GIMP_PREVIEW_MAX_BORDER_WIDTH, NULL); menu_impl = g_object_new (GIMP_TYPE_CONTAINER_MENU_IMPL, NULL); menu = GIMP_CONTAINER_MENU (menu_impl); menu->preview_size = preview_size; menu->preview_border_width = preview_border_width; menu_impl->empty_item = gtk_menu_item_new_with_label ("(none)"); gtk_widget_set_size_request (menu_impl->empty_item, -1, preview_size + 2 * preview_border_width + 2 * menu_impl->empty_item->style->ythickness); gtk_widget_set_sensitive (menu_impl->empty_item, FALSE); gtk_widget_show (menu_impl->empty_item); gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_impl->empty_item); if (container) gimp_container_menu_set_container (menu, container); if (context) gimp_container_menu_set_context (menu, context); return GTK_WIDGET (menu_impl); } /* GimpContainerMenu methods */ static gpointer gimp_container_menu_impl_insert_item (GimpContainerMenu *menu, GimpViewable *viewable, gint index) { GtkWidget *menu_item; menu_item = gimp_menu_item_new (viewable, menu->preview_size, menu->preview_border_width); g_signal_connect (menu_item, "activate", G_CALLBACK (gimp_container_menu_impl_item_selected), menu); if (index == -1) gtk_menu_shell_insert (GTK_MENU_SHELL (menu), menu_item, -1); else gtk_menu_shell_insert (GTK_MENU_SHELL (menu), menu_item, index + 1); gtk_widget_show (menu_item); return (gpointer) menu_item; } static void gimp_container_menu_impl_remove_item (GimpContainerMenu *menu, GimpViewable *viewable, gpointer insert_data) { GtkWidget *menu_item; if (insert_data) menu_item = GTK_WIDGET (insert_data); else menu_item = NULL; if (menu_item) { gboolean active; active = (gtk_menu_get_active (GTK_MENU (menu)) == menu_item); if (g_list_length (GTK_MENU_SHELL (menu)->children) == 2) gtk_widget_show (GIMP_CONTAINER_MENU_IMPL (menu)->empty_item); gtk_container_remove (GTK_CONTAINER (menu), menu_item); if (active) gimp_container_menu_impl_set_history (menu, 0); } } static void gimp_container_menu_impl_reorder_item (GimpContainerMenu *menu, GimpViewable *viewable, gint new_index, gpointer insert_data) { GtkWidget *menu_item; if (insert_data) menu_item = GTK_WIDGET (insert_data); else menu_item = NULL; if (menu_item) { gboolean active; active = (gtk_menu_get_active (GTK_MENU (menu)) == menu_item); gtk_menu_reorder_child (GTK_MENU (menu), GTK_WIDGET (menu_item), new_index + 1); if (active) gimp_container_menu_impl_set_history (menu, new_index + 1); } } static void gimp_container_menu_impl_select_item (GimpContainerMenu *menu, GimpViewable *viewable, gpointer insert_data) { GtkWidget *menu_item; gint index; if (insert_data) menu_item = GTK_WIDGET (insert_data); else menu_item = NULL; if (menu_item) { gtk_widget_hide (GIMP_CONTAINER_MENU_IMPL (menu)->empty_item); index = gimp_container_get_child_index (menu->container, GIMP_OBJECT (viewable)); gimp_container_menu_impl_set_history (menu, index + 1); } else { gtk_widget_show (GIMP_CONTAINER_MENU_IMPL (menu)->empty_item); gimp_container_menu_impl_set_history (menu, 0); } } static void gimp_container_menu_impl_clear_items (GimpContainerMenu *menu) { while (GTK_MENU_SHELL (menu)->children) { gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (GTK_MENU_SHELL (menu)->children->data)); } gtk_widget_show (GIMP_CONTAINER_MENU_IMPL (menu)->empty_item); if (GIMP_CONTAINER_MENU_CLASS (parent_class)->clear_items) GIMP_CONTAINER_MENU_CLASS (parent_class)->clear_items (menu); } static void gimp_container_menu_impl_set_preview_size (GimpContainerMenu *menu) { GList *list; for (list = GTK_MENU_SHELL (menu)->children; list; list = g_list_next (list)) { if (GIMP_IS_MENU_ITEM (list->data)) { GimpMenuItem *menu_item = GIMP_MENU_ITEM (list->data); gimp_preview_renderer_set_size (GIMP_PREVIEW (menu_item->preview)->renderer, menu->preview_size, menu->preview_border_width); } } } static void gimp_container_menu_impl_set_history (GimpContainerMenu *menu, gint history) { GtkWidget *parent; parent = gtk_menu_get_attach_widget (GTK_MENU (menu)); if (parent && GTK_IS_OPTION_MENU (parent)) { gtk_option_menu_set_history (GTK_OPTION_MENU (parent), history); } else { gtk_menu_set_active (GTK_MENU (menu), history); } } /* GtkMenuItem callbacks */ static void gimp_container_menu_impl_item_selected (GtkWidget *widget, gpointer data) { GimpMenuItem *menu_item; menu_item = GIMP_MENU_ITEM (widget); gimp_container_menu_item_selected (GIMP_CONTAINER_MENU (data), GIMP_PREVIEW (menu_item->preview)->viewable); }