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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) 2001-2003 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 "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimpchannel.h"
#include "core/gimpchannel-select.h"
#include "core/gimpcontainer.h"
#include "core/gimpimage.h"
#include "gimpchanneltreeview.h"
#include "gimpcomponenteditor.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_set_image (GimpItemTreeView *item_view,
GimpImage *gimage);
static gboolean gimp_channel_tree_view_select_item (GimpContainerView *view,
GimpViewable *item,
gpointer insert_data);
static void gimp_channel_tree_view_set_preview_size (GimpContainerView *view);
static void gimp_channel_tree_view_toselection_clicked
(GtkWidget *widget,
GimpChannelTreeView *view);
static void gimp_channel_tree_view_toselection_extended_clicked
(GtkWidget *widget,
guint state,
GimpChannelTreeView *view);
static GimpDrawableTreeViewClass *parent_class = 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,
};
view_type = g_type_register_static (GIMP_TYPE_DRAWABLE_TREE_VIEW,
"GimpChannelTreeView",
&view_info, 0);
}
return view_type;
}
static void
gimp_channel_tree_view_class_init (GimpChannelTreeViewClass *klass)
{
GimpContainerViewClass *container_view_class;
GimpItemTreeViewClass *item_view_class;
container_view_class = GIMP_CONTAINER_VIEW_CLASS (klass);
item_view_class = GIMP_ITEM_TREE_VIEW_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
container_view_class->select_item = gimp_channel_tree_view_select_item;
container_view_class->set_preview_size = gimp_channel_tree_view_set_preview_size;
item_view_class->set_image = gimp_channel_tree_view_set_image;
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->edit_desc = _("Edit Channel Attributes");
item_view_class->edit_help_id = GIMP_HELP_CHANNEL_EDIT;
item_view_class->new_desc = _("New Channel");
item_view_class->new_help_id = GIMP_HELP_CHANNEL_NEW;
item_view_class->duplicate_desc = _("Duplicate Channel");
item_view_class->duplicate_help_id = GIMP_HELP_CHANNEL_DUPLICATE;
item_view_class->delete_desc = _("Delete Channel");
item_view_class->delete_help_id = GIMP_HELP_CHANNEL_DELETE;
item_view_class->raise_desc = _("Raise Channel");
item_view_class->raise_help_id = GIMP_HELP_CHANNEL_RAISE;
item_view_class->raise_to_top_desc = _("Raise Channel to Top");
item_view_class->raise_to_top_help_id = GIMP_HELP_CHANNEL_RAISE_TO_TOP;
item_view_class->lower_desc = _("Lower Channel");
item_view_class->lower_help_id = GIMP_HELP_CHANNEL_LOWER;
item_view_class->lower_to_bottom_desc = _("Lower Channel to Bottom");
item_view_class->lower_to_bottom_help_id = GIMP_HELP_CHANNEL_LOWER_TO_BOTTOM;
item_view_class->reorder_desc = _("Reorder Channel");
}
static void
gimp_channel_tree_view_init (GimpChannelTreeView *view)
{
gchar *str;
str = g_strdup_printf (_("Channel to Selection\n"
"%s Add\n"
"%s Subtract\n"
"%s%s%s Intersect"),
gimp_get_mod_name_shift (),
gimp_get_mod_name_control (),
gimp_get_mod_name_shift (),
gimp_get_mod_separator (),
gimp_get_mod_name_control ());
/* To Selection button */
view->toselection_button =
gimp_editor_add_button (GIMP_EDITOR (view),
GIMP_STOCK_SELECTION_REPLACE, str,
GIMP_HELP_CHANNEL_SELECTION_REPLACE,
G_CALLBACK (gimp_channel_tree_view_toselection_clicked),
G_CALLBACK (gimp_channel_tree_view_toselection_extended_clicked),
view);
g_free (str);
gtk_box_reorder_child (GTK_BOX (GIMP_EDITOR (view)->button_box),
view->toselection_button, 5);
gimp_container_view_enable_dnd (GIMP_CONTAINER_VIEW (view),
GTK_BUTTON (view->toselection_button),
GIMP_TYPE_CHANNEL);
gtk_widget_set_sensitive (view->toselection_button, FALSE);
}
/* GimpItemTreeView methods */
static void
gimp_channel_tree_view_set_image (GimpItemTreeView *item_view,
GimpImage *gimage)
{
GimpChannelTreeView *channel_view;
channel_view = GIMP_CHANNEL_TREE_VIEW (item_view);
if (! channel_view->component_editor)
{
channel_view->component_editor =
gimp_component_editor_new (GIMP_CONTAINER_VIEW (item_view)->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);
}
/* GimpContainerView methods */
static gboolean
gimp_channel_tree_view_select_item (GimpContainerView *view,
GimpViewable *item,
gpointer insert_data)
{
GimpItemTreeView *item_view;
GimpChannelTreeView *tree_view;
gboolean success;
item_view = GIMP_ITEM_TREE_VIEW (view);
tree_view = GIMP_CHANNEL_TREE_VIEW (view);
success = GIMP_CONTAINER_VIEW_CLASS (parent_class)->select_item (view, item,
insert_data);
if (item_view->gimage)
{
gboolean floating_sel;
floating_sel = (gimp_image_floating_sel (item_view->gimage) != NULL);
gtk_widget_set_sensitive (GIMP_EDITOR (view)->button_box, ! floating_sel);
}
gtk_widget_set_sensitive (tree_view->toselection_button,
success && item != NULL);
return success;
}
static void
gimp_channel_tree_view_set_preview_size (GimpContainerView *view)
{
GimpChannelTreeView *channel_view;
channel_view = GIMP_CHANNEL_TREE_VIEW (view);
GIMP_CONTAINER_VIEW_CLASS (parent_class)->set_preview_size (view);
if (channel_view->component_editor)
gimp_component_editor_set_preview_size (GIMP_COMPONENT_EDITOR (channel_view->component_editor),
view->preview_size);
}
static void
gimp_channel_tree_view_toselection_clicked (GtkWidget *widget,
GimpChannelTreeView *view)
{
gimp_channel_tree_view_toselection_extended_clicked (widget, 0, view);
}
static void
gimp_channel_tree_view_toselection_extended_clicked (GtkWidget *widget,
guint state,
GimpChannelTreeView *view)
{
GimpImage *gimage;
GimpItem *item;
gimage = GIMP_ITEM_TREE_VIEW (view)->gimage;
item = GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->get_active_item (gimage);
if (item)
{
GimpChannelOps operation = GIMP_CHANNEL_OP_REPLACE;
if (state & GDK_SHIFT_MASK)
{
if (state & GDK_CONTROL_MASK)
operation = GIMP_CHANNEL_OP_INTERSECT;
else
operation = GIMP_CHANNEL_OP_ADD;
}
else if (state & GDK_CONTROL_MASK)
{
operation = GIMP_CHANNEL_OP_SUBTRACT;
}
gimp_channel_select_channel (gimp_image_get_mask (gimage),
_("Channel to Selection"),
GIMP_CHANNEL (item),
0, 0,
operation,
FALSE, 0.0, 0.0);
gimp_image_flush (gimage);
}
}
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