mirror of https://github.com/GNOME/gimp.git
541 lines
15 KiB
C
541 lines
15 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimpcontainermenu.c
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* Copyright (C) 2001 Michael Natterer
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "apptypes.h"
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#include "gimpcontainer.h"
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#include "gimpcontainermenu.h"
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#include "gimpcontext.h"
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#include "gimpmarshal.h"
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#include "gimpviewable.h"
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enum
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{
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SET_CONTAINER,
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INSERT_ITEM,
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REMOVE_ITEM,
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REORDER_ITEM,
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SELECT_ITEM,
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ACTIVATE_ITEM,
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CLEAR_ITEMS,
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SET_PREVIEW_SIZE,
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LAST_SIGNAL
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};
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static void gimp_container_menu_class_init (GimpContainerMenuClass *klass);
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static void gimp_container_menu_init (GimpContainerMenu *panel);
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static void gimp_container_menu_destroy (GtkObject *object);
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static void gimp_container_menu_real_set_container (GimpContainerMenu *menu,
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GimpContainer *container);
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static void gimp_container_menu_clear_items (GimpContainerMenu *menu);
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static void gimp_container_menu_real_clear_items (GimpContainerMenu *menu);
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static void gimp_container_menu_add_foreach (GimpViewable *viewable,
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GimpContainerMenu *menu);
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static void gimp_container_menu_add (GimpContainerMenu *menu,
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GimpViewable *viewable,
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GimpContainer *container);
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static void gimp_container_menu_remove (GimpContainerMenu *menu,
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GimpViewable *viewable,
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GimpContainer *container);
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static void gimp_container_menu_reorder (GimpContainerMenu *menu,
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GimpViewable *viewable,
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gint new_index,
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GimpContainer *container);
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static void gimp_container_menu_context_changed (GimpContext *context,
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GimpViewable *viewable,
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GimpContainerMenu *menu);
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static guint menu_signals[LAST_SIGNAL] = { 0 };
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static GtkVBoxClass *parent_class = NULL;
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GtkType
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gimp_container_menu_get_type (void)
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{
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static guint menu_type = 0;
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if (! menu_type)
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{
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GtkTypeInfo menu_info =
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{
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"GimpContainerMenu",
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sizeof (GimpContainerMenu),
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sizeof (GimpContainerMenuClass),
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(GtkClassInitFunc) gimp_container_menu_class_init,
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(GtkObjectInitFunc) gimp_container_menu_init,
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/* reserved_1 */ NULL,
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/* reserved_2 */ NULL,
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(GtkClassInitFunc) NULL
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};
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menu_type = gtk_type_unique (GTK_TYPE_MENU, &menu_info);
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}
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return menu_type;
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}
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static void
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gimp_container_menu_class_init (GimpContainerMenuClass *klass)
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{
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GtkObjectClass *object_class;
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object_class = (GtkObjectClass *) klass;
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parent_class = gtk_type_class (GTK_TYPE_MENU);
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menu_signals[SET_CONTAINER] =
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gtk_signal_new ("set_container",
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GTK_RUN_LAST,
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object_class->type,
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GTK_SIGNAL_OFFSET (GimpContainerMenuClass,
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set_container),
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gtk_marshal_NONE__OBJECT,
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GTK_TYPE_NONE, 1,
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GIMP_TYPE_OBJECT);
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menu_signals[INSERT_ITEM] =
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gtk_signal_new ("insert_item",
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GTK_RUN_LAST,
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object_class->type,
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GTK_SIGNAL_OFFSET (GimpContainerMenuClass,
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insert_item),
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gimp_marshal_POINTER__POINTER_INT,
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GTK_TYPE_POINTER, 2,
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GIMP_TYPE_OBJECT,
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GTK_TYPE_INT);
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menu_signals[REMOVE_ITEM] =
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gtk_signal_new ("remove_item",
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GTK_RUN_FIRST,
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object_class->type,
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GTK_SIGNAL_OFFSET (GimpContainerMenuClass,
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remove_item),
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gtk_marshal_NONE__POINTER_POINTER,
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GTK_TYPE_NONE, 2,
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GIMP_TYPE_OBJECT,
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GTK_TYPE_POINTER);
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menu_signals[REORDER_ITEM] =
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gtk_signal_new ("reorder_item",
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GTK_RUN_FIRST,
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object_class->type,
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GTK_SIGNAL_OFFSET (GimpContainerMenuClass,
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reorder_item),
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gtk_marshal_NONE__POINTER_INT_POINTER,
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GTK_TYPE_NONE, 3,
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GIMP_TYPE_OBJECT,
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GTK_TYPE_INT,
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GTK_TYPE_POINTER);
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menu_signals[SELECT_ITEM] =
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gtk_signal_new ("select_item",
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GTK_RUN_FIRST,
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object_class->type,
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GTK_SIGNAL_OFFSET (GimpContainerMenuClass,
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select_item),
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gtk_marshal_NONE__POINTER_POINTER,
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GTK_TYPE_NONE, 2,
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GIMP_TYPE_OBJECT,
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GTK_TYPE_POINTER);
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menu_signals[ACTIVATE_ITEM] =
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gtk_signal_new ("activate_item",
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GTK_RUN_FIRST,
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object_class->type,
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GTK_SIGNAL_OFFSET (GimpContainerMenuClass,
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activate_item),
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gtk_marshal_NONE__POINTER_POINTER,
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GTK_TYPE_NONE, 2,
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GIMP_TYPE_OBJECT,
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GTK_TYPE_POINTER);
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menu_signals[CLEAR_ITEMS] =
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gtk_signal_new ("clear_items",
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GTK_RUN_FIRST,
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object_class->type,
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GTK_SIGNAL_OFFSET (GimpContainerMenuClass,
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clear_items),
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gtk_signal_default_marshaller,
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GTK_TYPE_NONE, 0);
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menu_signals[SET_PREVIEW_SIZE] =
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gtk_signal_new ("set_preview_size",
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GTK_RUN_FIRST,
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object_class->type,
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GTK_SIGNAL_OFFSET (GimpContainerMenuClass,
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set_preview_size),
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gtk_signal_default_marshaller,
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GTK_TYPE_NONE, 0);
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gtk_object_class_add_signals (object_class, menu_signals, LAST_SIGNAL);
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object_class->destroy = gimp_container_menu_destroy;
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klass->set_container = gimp_container_menu_real_set_container;
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klass->insert_item = NULL;
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klass->remove_item = NULL;
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klass->reorder_item = NULL;
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klass->select_item = NULL;
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klass->activate_item = NULL;
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klass->clear_items = gimp_container_menu_real_clear_items;
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klass->set_preview_size = NULL;
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}
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static void
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gimp_container_menu_init (GimpContainerMenu *menu)
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{
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menu->container = NULL;
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menu->context = NULL;
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menu->hash_table = g_hash_table_new (g_direct_hash, g_direct_equal);
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menu->preview_size = 0;
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}
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static void
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gimp_container_menu_destroy (GtkObject *object)
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{
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GimpContainerMenu *menu;
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menu = GIMP_CONTAINER_MENU (object);
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gimp_container_menu_set_container (menu, NULL);
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gimp_container_menu_set_context (menu, NULL);
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g_hash_table_destroy (menu->hash_table);
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menu->hash_table = NULL;
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if (GTK_OBJECT_CLASS (parent_class)->destroy)
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GTK_OBJECT_CLASS (parent_class)->destroy (object);
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}
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void
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gimp_container_menu_set_container (GimpContainerMenu *menu,
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GimpContainer *container)
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{
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g_return_if_fail (menu != NULL);
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g_return_if_fail (GIMP_IS_CONTAINER_MENU (menu));
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g_return_if_fail (!container || GIMP_IS_CONTAINER (container));
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if (container == menu->container)
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return;
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gtk_signal_emit (GTK_OBJECT (menu), menu_signals[SET_CONTAINER],
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container);
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}
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static void
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gimp_container_menu_real_set_container (GimpContainerMenu *menu,
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GimpContainer *container)
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{
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if (menu->container)
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{
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gimp_container_menu_select_item (menu, NULL);
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gimp_container_menu_clear_items (menu);
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gtk_signal_disconnect_by_func (GTK_OBJECT (menu->container),
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gimp_container_menu_add,
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menu);
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gtk_signal_disconnect_by_func (GTK_OBJECT (menu->container),
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gimp_container_menu_remove,
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menu);
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gtk_signal_disconnect_by_func (GTK_OBJECT (menu->container),
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gimp_container_menu_reorder,
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menu);
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g_hash_table_destroy (menu->hash_table);
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menu->hash_table = g_hash_table_new (g_direct_hash, g_direct_equal);
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if (menu->context)
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{
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gtk_signal_disconnect_by_func (GTK_OBJECT (menu->context),
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gimp_container_menu_context_changed,
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menu);
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}
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}
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menu->container = container;
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if (menu->container)
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{
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gimp_container_foreach (menu->container,
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(GFunc) gimp_container_menu_add_foreach,
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menu);
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gtk_signal_connect_object (GTK_OBJECT (menu->container), "add",
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GTK_SIGNAL_FUNC (gimp_container_menu_add),
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GTK_OBJECT (menu));
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gtk_signal_connect_object (GTK_OBJECT (menu->container), "remove",
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GTK_SIGNAL_FUNC (gimp_container_menu_remove),
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GTK_OBJECT (menu));
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gtk_signal_connect_object (GTK_OBJECT (menu->container), "reorder",
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GTK_SIGNAL_FUNC (gimp_container_menu_reorder),
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GTK_OBJECT (menu));
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if (menu->context)
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{
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GimpObject *object;
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const gchar *signal_name;
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signal_name =
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gimp_context_type_to_signal_name (menu->container->children_type);
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gtk_signal_connect
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(GTK_OBJECT (menu->context), signal_name,
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GTK_SIGNAL_FUNC (gimp_container_menu_context_changed),
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menu);
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object = gimp_context_get_by_type (menu->context,
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menu->container->children_type);
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gimp_container_menu_select_item (menu,
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object ?
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GIMP_VIEWABLE (object): NULL);
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}
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}
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}
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void
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gimp_container_menu_set_context (GimpContainerMenu *menu,
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GimpContext *context)
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{
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g_return_if_fail (menu != NULL);
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g_return_if_fail (GIMP_IS_CONTAINER_MENU (menu));
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g_return_if_fail (! context || GIMP_IS_CONTEXT (context));
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if (context == menu->context)
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return;
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if (menu->context && menu->container)
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{
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gtk_signal_disconnect_by_func (GTK_OBJECT (menu->context),
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gimp_container_menu_context_changed,
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menu);
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}
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menu->context = context;
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if (menu->context && menu->container)
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{
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GimpObject *object;
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const gchar *signal_name;
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signal_name =
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gimp_context_type_to_signal_name (menu->container->children_type);
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gtk_signal_connect (GTK_OBJECT (menu->context), signal_name,
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GTK_SIGNAL_FUNC (gimp_container_menu_context_changed),
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menu);
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object = gimp_context_get_by_type (menu->context,
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menu->container->children_type);
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gimp_container_menu_select_item (menu,
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object ? GIMP_VIEWABLE (object) : NULL);
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}
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}
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void
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gimp_container_menu_set_preview_size (GimpContainerMenu *menu,
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gint preview_size)
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{
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g_return_if_fail (menu != NULL);
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g_return_if_fail (GIMP_IS_CONTAINER_MENU (menu));
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g_return_if_fail (preview_size > 0 && preview_size <= 256 /* FIXME: 64 */);
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menu->preview_size = preview_size;
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gtk_signal_emit (GTK_OBJECT (menu), menu_signals[SET_PREVIEW_SIZE]);
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}
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void
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gimp_container_menu_select_item (GimpContainerMenu *menu,
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GimpViewable *viewable)
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{
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gpointer insert_data;
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g_return_if_fail (menu != NULL);
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g_return_if_fail (GIMP_IS_CONTAINER_MENU (menu));
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g_return_if_fail (! viewable || GIMP_IS_VIEWABLE (viewable));
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insert_data = g_hash_table_lookup (menu->hash_table, viewable);
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gtk_signal_emit (GTK_OBJECT (menu), menu_signals[SELECT_ITEM],
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viewable, insert_data);
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}
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void
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gimp_container_menu_activate_item (GimpContainerMenu *menu,
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GimpViewable *viewable)
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{
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gpointer insert_data;
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g_return_if_fail (menu != NULL);
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g_return_if_fail (GIMP_IS_CONTAINER_MENU (menu));
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g_return_if_fail (viewable != NULL);
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g_return_if_fail (GIMP_IS_VIEWABLE (viewable));
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insert_data = g_hash_table_lookup (menu->hash_table, viewable);
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gtk_signal_emit (GTK_OBJECT (menu), menu_signals[ACTIVATE_ITEM],
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viewable, insert_data);
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}
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void
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gimp_container_menu_item_selected (GimpContainerMenu *menu,
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GimpViewable *viewable)
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{
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g_return_if_fail (menu != NULL);
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g_return_if_fail (GIMP_IS_CONTAINER_MENU (menu));
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g_return_if_fail (viewable != NULL);
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g_return_if_fail (GIMP_IS_VIEWABLE (viewable));
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if (menu->container && menu->context)
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{
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gimp_context_set_by_type (menu->context,
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menu->container->children_type,
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GIMP_OBJECT (viewable));
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}
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gimp_container_menu_select_item (menu, viewable);
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}
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void
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gimp_container_menu_item_activated (GimpContainerMenu *menu,
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GimpViewable *viewable)
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{
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g_return_if_fail (menu != NULL);
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g_return_if_fail (GIMP_IS_CONTAINER_MENU (menu));
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g_return_if_fail (viewable != NULL);
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g_return_if_fail (GIMP_IS_VIEWABLE (viewable));
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gimp_container_menu_activate_item (menu, viewable);
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}
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static void
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gimp_container_menu_clear_items (GimpContainerMenu *menu)
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{
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gtk_signal_emit (GTK_OBJECT (menu), menu_signals[CLEAR_ITEMS]);
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}
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static void
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gimp_container_menu_real_clear_items (GimpContainerMenu *menu)
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{
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g_hash_table_destroy (menu->hash_table);
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menu->hash_table = g_hash_table_new (g_direct_hash, g_direct_equal);
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}
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static void
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gimp_container_menu_add_foreach (GimpViewable *viewable,
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GimpContainerMenu *menu)
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{
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gpointer insert_data = NULL;
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gtk_signal_emit (GTK_OBJECT (menu), menu_signals[INSERT_ITEM],
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viewable, -1, &insert_data);
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g_hash_table_insert (menu->hash_table, viewable, insert_data);
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}
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static void
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gimp_container_menu_add (GimpContainerMenu *menu,
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GimpViewable *viewable,
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GimpContainer *container)
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{
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gpointer insert_data = NULL;
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gint index;
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index = gimp_container_get_child_index (container,
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GIMP_OBJECT (viewable));
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gtk_signal_emit (GTK_OBJECT (menu), menu_signals[INSERT_ITEM],
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viewable, index, &insert_data);
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g_hash_table_insert (menu->hash_table, viewable, insert_data);
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}
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static void
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gimp_container_menu_remove (GimpContainerMenu *menu,
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GimpViewable *viewable,
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GimpContainer *container)
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{
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gpointer insert_data;
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insert_data = g_hash_table_lookup (menu->hash_table, viewable);
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if (insert_data)
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{
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g_hash_table_remove (menu->hash_table, viewable);
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gtk_signal_emit (GTK_OBJECT (menu), menu_signals[REMOVE_ITEM],
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viewable, insert_data);
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}
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}
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static void
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gimp_container_menu_reorder (GimpContainerMenu *menu,
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GimpViewable *viewable,
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gint new_index,
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GimpContainer *container)
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{
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gpointer insert_data;
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insert_data = g_hash_table_lookup (menu->hash_table, viewable);
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if (insert_data)
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{
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gtk_signal_emit (GTK_OBJECT (menu), menu_signals[REORDER_ITEM],
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viewable, new_index, insert_data);
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}
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}
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|
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static void
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gimp_container_menu_context_changed (GimpContext *context,
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GimpViewable *viewable,
|
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GimpContainerMenu *menu)
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|
{
|
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gpointer insert_data;
|
|
|
|
insert_data = g_hash_table_lookup (menu->hash_table, viewable);
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|
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gtk_signal_emit (GTK_OBJECT (menu), menu_signals[SELECT_ITEM],
|
|
viewable, insert_data);
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|
}
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