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gimp/app/widgets/gimpchanneltreeview.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpchanneltreeview.c
* Copyright (C) 2001-2009 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.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 "core/gimplayer.h"
#include "core/gimplayermask.h"
#include "gimpactiongroup.h"
#include "gimpchanneltreeview.h"
#include "gimpcomponenteditor.h"
#include "gimpcontainerview.h"
#include "gimpdnd.h"
#include "gimpdocked.h"
#include "gimphelp-ids.h"
#include "gimpuimanager.h"
#include "gimpwidgets-utils.h"
#include "gimp-intl.h"
struct _GimpChannelTreeViewPriv
{
GtkWidget *component_editor;
GtkWidget *toselection_button;
};
static void gimp_channel_tree_view_view_iface_init (GimpContainerViewInterface *iface);
static GObject * gimp_channel_tree_view_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_channel_tree_view_drop_viewable (GimpContainerTreeView *view,
GimpViewable *src_viewable,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos);
static void gimp_channel_tree_view_drop_component (GimpContainerTreeView *tree_view,
GimpImage *image,
GimpChannelType component,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos);
static void gimp_channel_tree_view_set_image (GimpItemTreeView *item_view,
GimpImage *image);
static GimpItem * gimp_channel_tree_view_item_new (GimpImage *image);
static void gimp_channel_tree_view_set_context (GimpContainerView *view,
GimpContext *context);
static void gimp_channel_tree_view_set_view_size (GimpContainerView *view);
static void gimp_channel_tree_view_channel_clicked (GimpCellRendererViewable *cell,
const gchar *path_str,
GdkModifierType state,
GimpContainerTreeView *tree_view);
G_DEFINE_TYPE_WITH_CODE (GimpChannelTreeView, gimp_channel_tree_view,
GIMP_TYPE_DRAWABLE_TREE_VIEW,
G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONTAINER_VIEW,
gimp_channel_tree_view_view_iface_init))
#define parent_class gimp_channel_tree_view_parent_class
static GimpContainerViewInterface *parent_view_iface = NULL;
static void
gimp_channel_tree_view_class_init (GimpChannelTreeViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpContainerTreeViewClass *view_class = GIMP_CONTAINER_TREE_VIEW_CLASS (klass);
GimpItemTreeViewClass *iv_class = GIMP_ITEM_TREE_VIEW_CLASS (klass);
object_class->constructor = gimp_channel_tree_view_constructor;
view_class->drop_viewable = gimp_channel_tree_view_drop_viewable;
view_class->drop_component = gimp_channel_tree_view_drop_component;
iv_class->set_image = gimp_channel_tree_view_set_image;
iv_class->item_type = GIMP_TYPE_CHANNEL;
iv_class->signal_name = "active-channel-changed";
iv_class->get_container = gimp_image_get_channels;
iv_class->get_active_item = (GimpGetItemFunc) gimp_image_get_active_channel;
iv_class->set_active_item = (GimpSetItemFunc) gimp_image_set_active_channel;
iv_class->reorder_item = (GimpReorderItemFunc) gimp_image_reorder_channel;
iv_class->add_item = (GimpAddItemFunc) gimp_image_add_channel;
iv_class->remove_item = (GimpRemoveItemFunc) gimp_image_remove_channel;
iv_class->new_item = gimp_channel_tree_view_item_new;
iv_class->action_group = "channels";
iv_class->activate_action = "channels-edit-attributes";
iv_class->edit_action = "channels-edit-attributes";
iv_class->new_action = "channels-new";
iv_class->new_default_action = "channels-new-last-values";
iv_class->raise_action = "channels-raise";
iv_class->raise_top_action = "channels-raise-to-top";
iv_class->lower_action = "channels-lower";
iv_class->lower_bottom_action = "channels-lower-to-bottom";
iv_class->duplicate_action = "channels-duplicate";
iv_class->delete_action = "channels-delete";
iv_class->reorder_desc = _("Reorder Channel");
g_type_class_add_private (klass, sizeof (GimpChannelTreeViewPriv));
}
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_context = gimp_channel_tree_view_set_context;
view_iface->set_view_size = gimp_channel_tree_view_set_view_size;
}
static void
gimp_channel_tree_view_init (GimpChannelTreeView *view)
{
view->priv = G_TYPE_INSTANCE_GET_PRIVATE (view,
GIMP_TYPE_CHANNEL_TREE_VIEW,
GimpChannelTreeViewPriv);
view->priv->component_editor = NULL;
view->priv->toselection_button = NULL;
}
static GObject *
gimp_channel_tree_view_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpEditor *editor;
GimpChannelTreeView *view;
GimpContainerTreeView *tree_view;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
editor = GIMP_EDITOR (object);
view = GIMP_CHANNEL_TREE_VIEW (object);
tree_view = GIMP_CONTAINER_TREE_VIEW (object);
g_signal_connect (tree_view->renderer_cell, "clicked",
G_CALLBACK (gimp_channel_tree_view_channel_clicked),
view);
gimp_dnd_viewable_dest_add (GTK_WIDGET (tree_view->view), GIMP_TYPE_LAYER,
NULL, tree_view);
gimp_dnd_viewable_dest_add (GTK_WIDGET (tree_view->view), GIMP_TYPE_LAYER_MASK,
NULL, tree_view);
gimp_dnd_component_dest_add (GTK_WIDGET (tree_view->view),
NULL, tree_view);
view->priv->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->priv->toselection_button),
GIMP_TYPE_CHANNEL);
gtk_box_reorder_child (GTK_BOX (GIMP_EDITOR (view)->button_box),
view->priv->toselection_button, 5);
return object;
}
/* GimpContainerTreeView methods */
static void
gimp_channel_tree_view_drop_viewable (GimpContainerTreeView *tree_view,
GimpViewable *src_viewable,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos)
{
GimpItemTreeView *item_view = GIMP_ITEM_TREE_VIEW (tree_view);
GimpImage *image = gimp_item_tree_view_get_image (item_view);
GimpItemTreeViewClass *item_view_class;
item_view_class = GIMP_ITEM_TREE_VIEW_GET_CLASS (item_view);
if (GIMP_IS_DRAWABLE (src_viewable) &&
(image != gimp_item_get_image (GIMP_ITEM (src_viewable)) ||
G_TYPE_FROM_INSTANCE (src_viewable) != item_view_class->item_type))
{
GimpItem *new_item;
GimpItem *parent;
gint index;
index = gimp_item_tree_view_get_drop_index (item_view, dest_viewable,
drop_pos,
(GimpViewable **) &parent);
new_item = gimp_item_convert (GIMP_ITEM (src_viewable),
gimp_item_tree_view_get_image (item_view),
item_view_class->item_type);
gimp_item_set_linked (new_item, FALSE, FALSE);
item_view_class->add_item (image, new_item, parent, index, TRUE);
gimp_image_flush (image);
return;
}
GIMP_CONTAINER_TREE_VIEW_CLASS (parent_class)->drop_viewable (tree_view,
src_viewable,
dest_viewable,
drop_pos);
}
static void
gimp_channel_tree_view_drop_component (GimpContainerTreeView *tree_view,
GimpImage *src_image,
GimpChannelType component,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos)
{
GimpItemTreeView *item_view = GIMP_ITEM_TREE_VIEW (tree_view);
GimpImage *image = gimp_item_tree_view_get_image (item_view);
GimpItem *new_item;
GimpChannel *parent;
gint index;
const gchar *desc;
gchar *name;
index = gimp_item_tree_view_get_drop_index (item_view, dest_viewable,
drop_pos,
(GimpViewable **) &parent);
gimp_enum_get_value (GIMP_TYPE_CHANNEL_TYPE, component,
NULL, NULL, &desc, NULL);
name = g_strdup_printf (_("%s Channel Copy"), desc);
new_item = GIMP_ITEM (gimp_channel_new_from_component (src_image, component,
name, NULL));
/* copied components are invisible by default so subsequent copies
* of components don't affect each other
*/
gimp_item_set_visible (new_item, FALSE, FALSE);
g_free (name);
if (src_image != image)
GIMP_ITEM_GET_CLASS (new_item)->convert (new_item, image);
gimp_image_add_channel (image, GIMP_CHANNEL (new_item), parent, index, TRUE);
gimp_image_flush (image);
}
/* GimpItemTreeView methods */
static void
gimp_channel_tree_view_set_image (GimpItemTreeView *item_view,
GimpImage *image)
{
GimpChannelTreeView *channel_view = GIMP_CHANNEL_TREE_VIEW (item_view);
if (! channel_view->priv->component_editor)
{
GimpContainerView *view = GIMP_CONTAINER_VIEW (item_view);
gint view_size;
view_size = gimp_container_view_get_view_size (view, NULL);
channel_view->priv->component_editor =
gimp_component_editor_new (view_size,
GIMP_EDITOR (item_view)->menu_factory);
gimp_docked_set_context (GIMP_DOCKED (channel_view->priv->component_editor),
gimp_container_view_get_context (view));
gtk_box_pack_start (GTK_BOX (item_view), channel_view->priv->component_editor,
FALSE, FALSE, 0);
gtk_box_reorder_child (GTK_BOX (item_view),
channel_view->priv->component_editor, 0);
}
if (! image)
gtk_widget_hide (channel_view->priv->component_editor);
gimp_image_editor_set_image (GIMP_IMAGE_EDITOR (channel_view->priv->component_editor),
image);
GIMP_ITEM_TREE_VIEW_CLASS (parent_class)->set_image (item_view, image);
if (gimp_item_tree_view_get_image (item_view))
gtk_widget_show (channel_view->priv->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,
GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
gimp_image_undo_group_end (image);
return GIMP_ITEM (new_channel);
}
/* GimpContainerView methods */
static void
gimp_channel_tree_view_set_context (GimpContainerView *view,
GimpContext *context)
{
GimpChannelTreeView *channel_view = GIMP_CHANNEL_TREE_VIEW (view);
parent_view_iface->set_context (view, context);
if (channel_view->priv->component_editor)
gimp_docked_set_context (GIMP_DOCKED (channel_view->priv->component_editor),
context);
}
static void
gimp_channel_tree_view_set_view_size (GimpContainerView *view)
{
GimpChannelTreeView *channel_view = GIMP_CHANNEL_TREE_VIEW (view);
gint view_size;
parent_view_iface->set_view_size (view);
view_size = gimp_container_view_get_view_size (view, NULL);
if (channel_view->priv->component_editor)
gimp_component_editor_set_view_size (GIMP_COMPONENT_EDITOR (channel_view->priv->component_editor),
view_size);
}
/* signal handlers */
static void
gimp_channel_tree_view_channel_clicked (GimpCellRendererViewable *cell,
const gchar *path_str,
GdkModifierType state,
GimpContainerTreeView *tree_view)
{
if (state & GDK_MOD1_MASK)
{
GimpUIManager *ui_manager = GIMP_EDITOR (tree_view)->ui_manager;
GimpActionGroup *group;
const gchar *action = "channels-selection-replace";
group = gimp_ui_manager_get_action_group (ui_manager, "channels");
if ((state & GDK_SHIFT_MASK) && (state & GDK_CONTROL_MASK))
{
action = "channels-selection-intersect";
}
else if (state & GDK_SHIFT_MASK)
{
action = "channels-selection-add";
}
else if (state & GDK_CONTROL_MASK)
{
action = "channels-selection-subtract";
}
gimp_action_group_activate_action (group, action);
}
}
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