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gimp/app/widgets/gimpchanneltreeview.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpchanneltreeview.c
* Copyright (C) 2001-2004 Michael Natterer <mitch@gimp.org>
*
* 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 <gtk/gtk.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimpchannel.h"
#include "core/gimpcontainer.h"
#include "core/gimpimage.h"
#include "core/gimpimage-undo.h"
#include "gimpchanneltreeview.h"
#include "gimpcomponenteditor.h"
#include "gimpcontainerview.h"
#include "gimpdnd.h"
#include "gimphelp-ids.h"
#include "gimpwidgets-utils.h"
#include "gimp-intl.h"
static void gimp_channel_tree_view_class_init (GimpChannelTreeViewClass *klass);
static void gimp_channel_tree_view_init (GimpChannelTreeView *view);
static void gimp_channel_tree_view_view_iface_init (GimpContainerViewInterface *view_iface);
static GObject * gimp_channel_tree_view_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_channel_tree_view_set_image (GimpItemTreeView *item_view,
GimpImage *gimage);
static GimpItem * gimp_channel_tree_view_item_new (GimpImage *image);
static void gimp_channel_tree_view_set_preview_size (GimpContainerView *view);
static GimpDrawableTreeViewClass *parent_class = NULL;
static GimpContainerViewInterface *parent_view_iface = NULL;
GType
gimp_channel_tree_view_get_type (void)
{
static GType view_type = 0;
if (! view_type)
{
static const GTypeInfo view_info =
{
sizeof (GimpChannelTreeViewClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gimp_channel_tree_view_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpChannelTreeView),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_channel_tree_view_init,
};
static const GInterfaceInfo view_iface_info =
{
(GInterfaceInitFunc) gimp_channel_tree_view_view_iface_init,
NULL, /* iface_finalize */
NULL /* iface_data */
};
view_type = g_type_register_static (GIMP_TYPE_DRAWABLE_TREE_VIEW,
"GimpChannelTreeView",
&view_info, 0);
g_type_add_interface_static (view_type, GIMP_TYPE_CONTAINER_VIEW,
&view_iface_info);
}
return view_type;
}
static void
gimp_channel_tree_view_class_init (GimpChannelTreeViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpItemTreeViewClass *item_view_class = GIMP_ITEM_TREE_VIEW_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->constructor = gimp_channel_tree_view_constructor;
item_view_class->set_image = gimp_channel_tree_view_set_image;
item_view_class->item_type = GIMP_TYPE_CHANNEL;
item_view_class->signal_name = "active-channel-changed";
item_view_class->get_container = gimp_image_get_channels;
item_view_class->get_active_item = (GimpGetItemFunc) gimp_image_get_active_channel;
item_view_class->set_active_item = (GimpSetItemFunc) gimp_image_set_active_channel;
item_view_class->reorder_item = (GimpReorderItemFunc) gimp_image_position_channel;
item_view_class->add_item = (GimpAddItemFunc) gimp_image_add_channel;
item_view_class->remove_item = (GimpRemoveItemFunc) gimp_image_remove_channel;
item_view_class->new_item = gimp_channel_tree_view_item_new;
item_view_class->action_group = "channels";
item_view_class->activate_action = "channels-edit-attributes";
item_view_class->edit_action = "channels-edit-attributes";
item_view_class->new_action = "channels-new";
item_view_class->new_default_action = "channels-new-last-values";
item_view_class->raise_action = "channels-raise";
item_view_class->raise_top_action = "channels-raise-to-top";
item_view_class->lower_action = "channels-lower";
item_view_class->lower_bottom_action = "channels-lower-to-bottom";
item_view_class->duplicate_action = "channels-duplicate";
item_view_class->delete_action = "channels-delete";
item_view_class->reorder_desc = _("Reorder Channel");
}
static void
gimp_channel_tree_view_init (GimpChannelTreeView *view)
{
}
static void
gimp_channel_tree_view_view_iface_init (GimpContainerViewInterface *view_iface)
{
parent_view_iface = g_type_interface_peek_parent (view_iface);
view_iface->set_preview_size = gimp_channel_tree_view_set_preview_size;
}
static GObject *
gimp_channel_tree_view_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpEditor *editor;
GimpChannelTreeView *view;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
editor = GIMP_EDITOR (object);
view = GIMP_CHANNEL_TREE_VIEW (object);
view->toselection_button =
gimp_editor_add_action_button (GIMP_EDITOR (view), "channels",
"channels-selection-replace",
"channels-selection-add",
GDK_SHIFT_MASK,
"channels-selection-subtract",
GDK_CONTROL_MASK,
"channels-selection-intersect",
GDK_SHIFT_MASK | GDK_CONTROL_MASK,
NULL);
gimp_container_view_enable_dnd (GIMP_CONTAINER_VIEW (view),
GTK_BUTTON (view->toselection_button),
GIMP_TYPE_CHANNEL);
gtk_box_reorder_child (GTK_BOX (GIMP_EDITOR (view)->button_box),
view->toselection_button, 5);
return object;
}
/* GimpItemTreeView methods */
static void
gimp_channel_tree_view_set_image (GimpItemTreeView *item_view,
GimpImage *gimage)
{
GimpChannelTreeView *channel_view = GIMP_CHANNEL_TREE_VIEW (item_view);
if (! channel_view->component_editor)
{
GimpContainerView *view = GIMP_CONTAINER_VIEW (item_view);
gint preview_size;
preview_size = gimp_container_view_get_preview_size (view, NULL);
channel_view->component_editor =
gimp_component_editor_new (preview_size,
GIMP_EDITOR (item_view)->menu_factory);
gtk_box_pack_start (GTK_BOX (item_view), channel_view->component_editor,
FALSE, FALSE, 0);
gtk_box_reorder_child (GTK_BOX (item_view),
channel_view->component_editor, 0);
}
if (! gimage)
gtk_widget_hide (channel_view->component_editor);
gimp_image_editor_set_image (GIMP_IMAGE_EDITOR (channel_view->component_editor),
gimage);
GIMP_ITEM_TREE_VIEW_CLASS (parent_class)->set_image (item_view, gimage);
if (item_view->gimage)
gtk_widget_show (channel_view->component_editor);
}
static GimpItem *
gimp_channel_tree_view_item_new (GimpImage *image)
{
GimpChannel *new_channel;
GimpRGB color;
gimp_rgba_set (&color, 0.0, 0.0, 0.0, 0.5);
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_PASTE,
_("New Channel"));
new_channel = gimp_channel_new (image,
gimp_image_get_width (image),
gimp_image_get_height (image),
_("Empty Channel"), &color);
gimp_image_add_channel (image, new_channel, -1);
gimp_image_undo_group_end (image);
return GIMP_ITEM (new_channel);
}
/* GimpContainerView methods */
static void
gimp_channel_tree_view_set_preview_size (GimpContainerView *view)
{
GimpChannelTreeView *channel_view = GIMP_CHANNEL_TREE_VIEW (view);
gint preview_size;
parent_view_iface->set_preview_size (view);
preview_size = gimp_container_view_get_preview_size (view, NULL);
if (channel_view->component_editor)
gimp_component_editor_set_preview_size (GIMP_COMPONENT_EDITOR (channel_view->component_editor),
preview_size);
}
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