mirror of https://github.com/GNOME/gimp.git
420 lines
16 KiB
C
420 lines
16 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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* gimpdrawabletreeview.c
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* Copyright (C) 2001-2003 Michael Natterer <mitch@gimp.org>
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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 "widgets-types.h"
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#include "core/gimp.h"
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#include "core/gimpcontainer.h"
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#include "core/gimpcontext.h"
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#include "core/gimpdrawable.h"
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#include "core/gimpdrawable-bucket-fill.h"
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#include "core/gimpimage.h"
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#include "core/gimpimage-undo.h"
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#include "core/gimppattern.h"
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#include "core/gimptoolinfo.h"
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#include "gimpcontainerview.h"
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#include "gimpdnd.h"
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#include "gimpdrawabletreeview.h"
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#include "gimp-intl.h"
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static void gimp_drawable_tree_view_class_init (GimpDrawableTreeViewClass *klass);
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static void gimp_drawable_tree_view_init (GimpDrawableTreeView *view);
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static void gimp_drawable_tree_view_view_iface_init (GimpContainerViewInterface *view_iface);
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static GObject * gimp_drawable_tree_view_constructor (GType type,
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guint n_params,
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GObjectConstructParam *params);
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static gboolean gimp_drawable_tree_view_select_item (GimpContainerView *view,
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GimpViewable *item,
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gpointer insert_data);
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static gboolean gimp_drawable_tree_view_drop_possible(GimpContainerTreeView *view,
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GimpDndType src_type,
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GimpViewable *src_viewable,
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GimpViewable *dest_viewable,
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GtkTreeViewDropPosition drop_pos,
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GtkTreeViewDropPosition *return_drop_pos,
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GdkDragAction *return_drag_action);
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static void gimp_drawable_tree_view_drop_viewable (GimpContainerTreeView *view,
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GimpViewable *src_viewable,
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GimpViewable *dest_viewable,
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GtkTreeViewDropPosition drop_pos);
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static void gimp_drawable_tree_view_drop_color (GimpContainerTreeView *view,
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const GimpRGB *color,
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GimpViewable *dest_viewable,
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GtkTreeViewDropPosition drop_pos);
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static void gimp_drawable_tree_view_set_image (GimpItemTreeView *view,
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GimpImage *gimage);
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static void gimp_drawable_tree_view_floating_selection_changed
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(GimpImage *gimage,
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GimpDrawableTreeView *view);
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static void gimp_drawable_tree_view_new_pattern_dropped
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(GtkWidget *widget,
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gint x,
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gint y,
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GimpViewable *viewable,
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gpointer data);
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static void gimp_drawable_tree_view_new_color_dropped
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(GtkWidget *widget,
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gint x,
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gint y,
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const GimpRGB *color,
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gpointer data);
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static GimpItemTreeViewClass *parent_class = NULL;
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static GimpContainerViewInterface *parent_view_iface = NULL;
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GType
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gimp_drawable_tree_view_get_type (void)
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{
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static GType view_type = 0;
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if (! view_type)
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{
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static const GTypeInfo view_info =
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{
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sizeof (GimpDrawableTreeViewClass),
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NULL, /* base_init */
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NULL, /* base_finalize */
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(GClassInitFunc) gimp_drawable_tree_view_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GimpDrawableTreeView),
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0, /* n_preallocs */
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(GInstanceInitFunc) gimp_drawable_tree_view_init,
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};
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static const GInterfaceInfo view_iface_info =
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{
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(GInterfaceInitFunc) gimp_drawable_tree_view_view_iface_init,
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NULL, /* iface_finalize */
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NULL /* iface_data */
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};
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view_type = g_type_register_static (GIMP_TYPE_ITEM_TREE_VIEW,
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"GimpDrawableTreeView",
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&view_info, G_TYPE_FLAG_ABSTRACT);
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g_type_add_interface_static (view_type, GIMP_TYPE_CONTAINER_VIEW,
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&view_iface_info);
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}
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return view_type;
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}
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static void
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gimp_drawable_tree_view_class_init (GimpDrawableTreeViewClass *klass)
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{
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GObjectClass *object_class;
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GimpContainerTreeViewClass *tree_view_class;
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GimpItemTreeViewClass *item_view_class;
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object_class = G_OBJECT_CLASS (klass);
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tree_view_class = GIMP_CONTAINER_TREE_VIEW_CLASS (klass);
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item_view_class = GIMP_ITEM_TREE_VIEW_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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object_class->constructor = gimp_drawable_tree_view_constructor;
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tree_view_class->drop_possible = gimp_drawable_tree_view_drop_possible;
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tree_view_class->drop_viewable = gimp_drawable_tree_view_drop_viewable;
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tree_view_class->drop_color = gimp_drawable_tree_view_drop_color;
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item_view_class->set_image = gimp_drawable_tree_view_set_image;
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}
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static void
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gimp_drawable_tree_view_init (GimpDrawableTreeView *view)
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{
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}
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static GObject *
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gimp_drawable_tree_view_constructor (GType type,
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guint n_params,
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GObjectConstructParam *params)
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{
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GimpContainerTreeView *tree_view;
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GimpItemTreeView *item_view;
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GObject *object;
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object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
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tree_view = GIMP_CONTAINER_TREE_VIEW (object);
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item_view = GIMP_ITEM_TREE_VIEW (object);
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gimp_dnd_viewable_dest_add (item_view->new_button, GIMP_TYPE_PATTERN,
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gimp_drawable_tree_view_new_pattern_dropped,
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item_view);
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gimp_dnd_color_dest_add (item_view->new_button,
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gimp_drawable_tree_view_new_color_dropped,
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item_view);
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gimp_dnd_color_dest_add (GTK_WIDGET (tree_view->view),
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NULL, tree_view);
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gimp_dnd_viewable_dest_add (GTK_WIDGET (tree_view->view), GIMP_TYPE_PATTERN,
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NULL, tree_view);
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return object;
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}
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static void
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gimp_drawable_tree_view_view_iface_init (GimpContainerViewInterface *view_iface)
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{
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parent_view_iface = g_type_interface_peek_parent (view_iface);
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view_iface->select_item = gimp_drawable_tree_view_select_item;
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}
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/* GimpContainerView methods */
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static gboolean
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gimp_drawable_tree_view_select_item (GimpContainerView *view,
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GimpViewable *item,
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gpointer insert_data)
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{
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GimpItemTreeView *item_view = GIMP_ITEM_TREE_VIEW (view);
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gboolean success = TRUE;
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if (item_view->gimage)
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{
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GimpViewable *floating_sel;
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floating_sel = (GimpViewable *)
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gimp_image_floating_sel (item_view->gimage);
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success = (item == NULL || floating_sel == NULL || item == floating_sel);
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}
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if (success)
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return parent_view_iface->select_item (view, item, insert_data);
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return success;
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}
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/* GimpContainerTreeView methods */
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static gboolean
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gimp_drawable_tree_view_drop_possible (GimpContainerTreeView *tree_view,
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GimpDndType src_type,
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GimpViewable *src_viewable,
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GimpViewable *dest_viewable,
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GtkTreeViewDropPosition drop_pos,
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GtkTreeViewDropPosition *return_drop_pos,
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GdkDragAction *return_drag_action)
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{
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if (GIMP_CONTAINER_TREE_VIEW_CLASS (parent_class)->drop_possible (tree_view,
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src_type,
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src_viewable,
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dest_viewable,
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drop_pos,
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return_drop_pos,
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return_drag_action))
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{
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if (src_type == GIMP_DND_TYPE_COLOR ||
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src_type == GIMP_DND_TYPE_PATTERN)
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{
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if (! dest_viewable)
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return FALSE;
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if (return_drop_pos)
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{
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if (drop_pos == GTK_TREE_VIEW_DROP_BEFORE)
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*return_drop_pos = GTK_TREE_VIEW_DROP_INTO_OR_BEFORE;
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else
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*return_drop_pos = GTK_TREE_VIEW_DROP_INTO_OR_AFTER;
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}
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}
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return TRUE;
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}
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return FALSE;
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}
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static void
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gimp_drawable_tree_view_drop_viewable (GimpContainerTreeView *view,
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GimpViewable *src_viewable,
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GimpViewable *dest_viewable,
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GtkTreeViewDropPosition drop_pos)
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{
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if (dest_viewable && GIMP_IS_PATTERN (src_viewable))
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{
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gimp_drawable_bucket_fill_full (GIMP_DRAWABLE (dest_viewable),
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GIMP_PATTERN_BUCKET_FILL,
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GIMP_NORMAL_MODE, GIMP_OPACITY_OPAQUE,
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FALSE, /* no seed fill */
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FALSE, 0.0, FALSE, /* fill params */
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0.0, 0.0, /* ignored */
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NULL, GIMP_PATTERN (src_viewable));
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gimp_image_flush (GIMP_ITEM_TREE_VIEW (view)->gimage);
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return;
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}
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GIMP_CONTAINER_TREE_VIEW_CLASS (parent_class)->drop_viewable (view,
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src_viewable,
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dest_viewable,
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drop_pos);
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}
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static void
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gimp_drawable_tree_view_drop_color (GimpContainerTreeView *view,
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const GimpRGB *color,
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GimpViewable *dest_viewable,
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GtkTreeViewDropPosition drop_pos)
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{
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if (dest_viewable)
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{
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gimp_drawable_bucket_fill_full (GIMP_DRAWABLE (dest_viewable),
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GIMP_FG_BUCKET_FILL,
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GIMP_NORMAL_MODE, GIMP_OPACITY_OPAQUE,
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FALSE, /* no seed fill */
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FALSE, 0.0, FALSE, /* fill params */
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0.0, 0.0, /* ignored */
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color, NULL);
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gimp_image_flush (GIMP_ITEM_TREE_VIEW (view)->gimage);
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}
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}
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/* GimpItemTreeView methods */
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static void
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gimp_drawable_tree_view_set_image (GimpItemTreeView *view,
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GimpImage *gimage)
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{
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if (view->gimage)
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g_signal_handlers_disconnect_by_func (view->gimage,
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gimp_drawable_tree_view_floating_selection_changed,
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view);
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GIMP_ITEM_TREE_VIEW_CLASS (parent_class)->set_image (view, gimage);
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if (view->gimage)
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g_signal_connect (view->gimage,
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"floating-selection-changed",
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G_CALLBACK (gimp_drawable_tree_view_floating_selection_changed),
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view);
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}
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/* callbacks */
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static void
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gimp_drawable_tree_view_floating_selection_changed (GimpImage *gimage,
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GimpDrawableTreeView *view)
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{
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GimpItem *item;
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item = GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->get_active_item (gimage);
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/* update button states */
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gimp_container_view_select_item (GIMP_CONTAINER_VIEW (view),
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(GimpViewable *) item);
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}
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static void
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gimp_drawable_tree_view_new_dropped (GimpItemTreeView *view,
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gint x,
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gint y,
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GimpBucketFillMode fill_mode,
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const GimpRGB *color,
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GimpPattern *pattern)
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{
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GimpItem *item;
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gimp_image_undo_group_start (view->gimage, GIMP_UNDO_GROUP_EDIT_PASTE,
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_("New Layer"));
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item = GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->new_item (view->gimage);
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if (item)
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{
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GimpDrawable *drawable = GIMP_DRAWABLE (item);
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GimpToolInfo *tool_info;
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GimpContext *context;
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/* Get the bucket fill context */
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tool_info = (GimpToolInfo *)
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gimp_container_get_child_by_name (view->gimage->gimp->tool_info_list,
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"gimp-bucket-fill-tool");
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if (tool_info && tool_info->tool_options)
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context = GIMP_CONTEXT (tool_info->tool_options);
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else
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context = view->context;
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gimp_drawable_bucket_fill_full (drawable,
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fill_mode,
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gimp_context_get_paint_mode (context),
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gimp_context_get_opacity (context),
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FALSE /* no seed fill */,
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FALSE, 0.0, FALSE, 0.0, 0.0 /* fill params */,
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color, pattern);
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}
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gimp_image_undo_group_end (view->gimage);
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gimp_image_flush (view->gimage);
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}
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static void
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gimp_drawable_tree_view_new_pattern_dropped (GtkWidget *widget,
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gint x,
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gint y,
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GimpViewable *viewable,
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gpointer data)
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{
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gimp_drawable_tree_view_new_dropped (GIMP_ITEM_TREE_VIEW (data), x, y,
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GIMP_PATTERN_BUCKET_FILL,
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NULL,
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GIMP_PATTERN (viewable));
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}
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static void
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gimp_drawable_tree_view_new_color_dropped (GtkWidget *widget,
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gint x,
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gint y,
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const GimpRGB *color,
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gpointer data)
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{
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gimp_drawable_tree_view_new_dropped (GIMP_ITEM_TREE_VIEW (data), x, y,
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GIMP_FG_BUCKET_FILL,
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color,
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NULL);
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}
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