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gimp/app/widgets/gimpitemtreeview.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpitemtreeview.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 <string.h>
#include <gtk/gtk.h>
#include "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimpchannel.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "core/gimpimage-undo.h"
#include "core/gimpimage-undo-push.h"
#include "core/gimpitemundo.h"
#include "core/gimplayer.h"
#include "core/gimpmarshal.h"
#include "core/gimpundostack.h"
#include "vectors/gimpvectors.h"
#include "gimpcontainerview.h"
#include "gimpdnd.h"
#include "gimpdocked.h"
#include "gimpitemtreeview.h"
#include "gimpmenufactory.h"
#include "gimpviewrenderer.h"
#include "gimpuimanager.h"
#include "gimpwidgets-utils.h"
#include "gimp-intl.h"
enum
{
SET_IMAGE,
LAST_SIGNAL
};
static void gimp_item_tree_view_class_init (GimpItemTreeViewClass *klass);
static void gimp_item_tree_view_init (GimpItemTreeView *view,
GimpItemTreeViewClass *view_class);
static void gimp_item_tree_view_view_iface_init (GimpContainerViewInterface *view_iface);
static void gimp_item_tree_view_docked_iface_init (GimpDockedInterface *docked_iface);
static void gimp_item_tree_view_set_context (GimpDocked *docked,
GimpContext *context);
static GObject * gimp_item_tree_view_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_item_tree_view_destroy (GtkObject *object);
static void gimp_item_tree_view_real_set_image (GimpItemTreeView *view,
GimpImage *gimage);
static void gimp_item_tree_view_image_flush (GimpImage *gimage,
GimpItemTreeView *view);
static void gimp_item_tree_view_set_container (GimpContainerView *view,
GimpContainer *container);
static gpointer gimp_item_tree_view_insert_item (GimpContainerView *view,
GimpViewable *viewable,
gint index);
static gboolean gimp_item_tree_view_select_item (GimpContainerView *view,
GimpViewable *item,
gpointer insert_data);
static void gimp_item_tree_view_activate_item (GimpContainerView *view,
GimpViewable *item,
gpointer insert_data);
static void gimp_item_tree_view_context_item (GimpContainerView *view,
GimpViewable *item,
gpointer insert_data);
static gboolean gimp_item_tree_view_drop_possible (GimpContainerTreeView *view,
GimpDndType src_type,
GimpViewable *src_viewable,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos,
GtkTreeViewDropPosition *return_drop_pos,
GdkDragAction *return_drag_action);
static void gimp_item_tree_view_drop_viewable (GimpContainerTreeView *view,
GimpViewable *src_viewable,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos);
static void gimp_item_tree_view_new_dropped (GtkWidget *widget,
gint x,
gint y,
GimpViewable *viewable,
gpointer data);
static void gimp_item_tree_view_item_changed (GimpImage *gimage,
GimpItemTreeView *view);
static void gimp_item_tree_view_size_changed (GimpImage *gimage,
GimpItemTreeView *view);
static void gimp_item_tree_view_name_edited (GtkCellRendererText *cell,
const gchar *path,
const gchar *new_name,
GimpItemTreeView *view);
static void gimp_item_tree_view_visible_changed (GimpItem *item,
GimpItemTreeView *view);
static void gimp_item_tree_view_linked_changed (GimpItem *item,
GimpItemTreeView *view);
static void gimp_item_tree_view_eye_clicked (GtkCellRendererToggle *toggle,
gchar *path,
GdkModifierType state,
GimpItemTreeView *view);
static void gimp_item_tree_view_chain_clicked (GtkCellRendererToggle *toggle,
gchar *path,
GdkModifierType state,
GimpItemTreeView *view);
/* utility function to avoid code duplication */
static void gimp_item_tree_view_toggle_clicked (GtkCellRendererToggle *toggle,
gchar *path_str,
GdkModifierType state,
GimpItemTreeView *view,
GimpUndoType undo_type);
static guint view_signals[LAST_SIGNAL] = { 0 };
static GimpContainerTreeViewClass *parent_class = NULL;
static GimpContainerViewInterface *parent_view_iface = NULL;
GType
gimp_item_tree_view_get_type (void)
{
static GType type = 0;
if (! type)
{
static const GTypeInfo view_info =
{
sizeof (GimpItemTreeViewClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gimp_item_tree_view_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpItemTreeView),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_item_tree_view_init,
};
static const GInterfaceInfo view_iface_info =
{
(GInterfaceInitFunc) gimp_item_tree_view_view_iface_init,
NULL, /* iface_finalize */
NULL /* iface_data */
};
static const GInterfaceInfo docked_iface_info =
{
(GInterfaceInitFunc) gimp_item_tree_view_docked_iface_init,
NULL, /* iface_finalize */
NULL /* iface_data */
};
type = g_type_register_static (GIMP_TYPE_CONTAINER_TREE_VIEW,
"GimpItemTreeView",
&view_info, G_TYPE_FLAG_ABSTRACT);
g_type_add_interface_static (type, GIMP_TYPE_CONTAINER_VIEW,
&view_iface_info);
g_type_add_interface_static (type, GIMP_TYPE_DOCKED,
&docked_iface_info);
}
return type;
}
static void
gimp_item_tree_view_class_init (GimpItemTreeViewClass *klass)
{
GObjectClass *object_class;
GtkObjectClass *gtk_object_class;
GimpContainerTreeViewClass *tree_view_class;
object_class = G_OBJECT_CLASS (klass);
gtk_object_class = GTK_OBJECT_CLASS (klass);
tree_view_class = GIMP_CONTAINER_TREE_VIEW_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
view_signals[SET_IMAGE] =
g_signal_new ("set_image",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GimpItemTreeViewClass, set_image),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_OBJECT);
object_class->constructor = gimp_item_tree_view_constructor;
gtk_object_class->destroy = gimp_item_tree_view_destroy;
tree_view_class->drop_possible = gimp_item_tree_view_drop_possible;
tree_view_class->drop_viewable = gimp_item_tree_view_drop_viewable;
klass->set_image = gimp_item_tree_view_real_set_image;
klass->item_type = G_TYPE_NONE;
klass->signal_name = NULL;
klass->get_container = NULL;
klass->get_active_item = NULL;
klass->set_active_item = NULL;
klass->reorder_item = NULL;
klass->add_item = NULL;
klass->remove_item = NULL;
klass->new_item = NULL;
klass->action_group = NULL;
klass->edit_action = NULL;
klass->new_action = NULL;
klass->new_default_action = NULL;
klass->raise_action = NULL;
klass->raise_top_action = NULL;
klass->lower_action = NULL;
klass->lower_bottom_action = NULL;
klass->duplicate_action = NULL;
klass->delete_action = NULL;
klass->reorder_desc = NULL;
}
static void
gimp_item_tree_view_init (GimpItemTreeView *view,
GimpItemTreeViewClass *view_class)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
/* The following used to read:
*
* tree_view->model_columns[tree_view->n_model_columns++] = ...
*
* but combining the two lead to gcc miscompiling the function on ppc/ia64
* (model_column_mask and model_column_mask_visible would have the same
* value, probably due to bad instruction reordering). See bug #113144 for
* more info.
*/
view->model_column_visible = tree_view->n_model_columns;
tree_view->model_columns[tree_view->n_model_columns] = G_TYPE_BOOLEAN;
tree_view->n_model_columns++;
view->model_column_linked = tree_view->n_model_columns;
tree_view->model_columns[tree_view->n_model_columns] = G_TYPE_BOOLEAN;
tree_view->n_model_columns++;
tree_view->dnd_drop_to_empty = TRUE;
view->context = NULL;
view->gimage = NULL;
view->visible_changed_handler_id = 0;
view->linked_changed_handler_id = 0;
}
static void
gimp_item_tree_view_view_iface_init (GimpContainerViewInterface *view_iface)
{
parent_view_iface = g_type_interface_peek_parent (view_iface);
view_iface->set_container = gimp_item_tree_view_set_container;
view_iface->insert_item = gimp_item_tree_view_insert_item;
view_iface->select_item = gimp_item_tree_view_select_item;
view_iface->activate_item = gimp_item_tree_view_activate_item;
view_iface->context_item = gimp_item_tree_view_context_item;
}
static void
gimp_item_tree_view_docked_iface_init (GimpDockedInterface *docked_iface)
{
docked_iface->get_preview = NULL;
docked_iface->set_context = gimp_item_tree_view_set_context;
}
static void
gimp_item_tree_view_set_context (GimpDocked *docked,
GimpContext *context)
{
GimpItemTreeView *view = GIMP_ITEM_TREE_VIEW (docked);
GimpImage *gimage = NULL;
if (view->context)
{
g_signal_handlers_disconnect_by_func (view->context,
gimp_item_tree_view_set_image,
view);
}
view->context = context;
if (context)
{
if (! GIMP_CONTAINER_TREE_VIEW (view)->dnd_gimp)
GIMP_CONTAINER_TREE_VIEW (view)->dnd_gimp = context->gimp;
g_signal_connect_swapped (context, "image_changed",
G_CALLBACK (gimp_item_tree_view_set_image),
view);
gimage = gimp_context_get_image (context);
}
gimp_item_tree_view_set_image (view, gimage);
}
static GObject *
gimp_item_tree_view_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GimpItemTreeViewClass *item_view_class;
GimpEditor *editor;
GimpContainerTreeView *tree_view;
GimpItemTreeView *item_view;
GObject *object;
GtkTreeViewColumn *column;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
editor = GIMP_EDITOR (object);
tree_view = GIMP_CONTAINER_TREE_VIEW (object);
item_view = GIMP_ITEM_TREE_VIEW (object);
item_view_class = GIMP_ITEM_TREE_VIEW_GET_CLASS (object);
tree_view->name_cell->mode = GTK_CELL_RENDERER_MODE_EDITABLE;
GTK_CELL_RENDERER_TEXT (tree_view->name_cell)->editable = TRUE;
tree_view->editable_cells = g_list_prepend (tree_view->editable_cells,
tree_view->name_cell);
g_signal_connect (tree_view->name_cell, "edited",
G_CALLBACK (gimp_item_tree_view_name_edited),
item_view);
column = gtk_tree_view_column_new ();
gtk_tree_view_insert_column (tree_view->view, column, 0);
item_view->eye_cell = gimp_cell_renderer_toggle_new (GIMP_STOCK_VISIBLE);
gtk_tree_view_column_pack_start (column, item_view->eye_cell, FALSE);
gtk_tree_view_column_set_attributes (column, item_view->eye_cell,
"active",
item_view->model_column_visible,
NULL);
tree_view->toggle_cells = g_list_prepend (tree_view->toggle_cells,
item_view->eye_cell);
g_signal_connect (item_view->eye_cell, "clicked",
G_CALLBACK (gimp_item_tree_view_eye_clicked),
item_view);
column = gtk_tree_view_column_new ();
gtk_tree_view_insert_column (tree_view->view, column, 1);
item_view->chain_cell = gimp_cell_renderer_toggle_new (GIMP_STOCK_LINKED);
gtk_tree_view_column_pack_start (column, item_view->chain_cell, FALSE);
gtk_tree_view_column_set_attributes (column, item_view->chain_cell,
"active",
item_view->model_column_linked,
NULL);
tree_view->toggle_cells = g_list_prepend (tree_view->toggle_cells,
item_view->chain_cell);
g_signal_connect (item_view->chain_cell, "clicked",
G_CALLBACK (gimp_item_tree_view_chain_clicked),
item_view);
/* disable the default GimpContainerView drop handler */
gimp_container_view_set_dnd_widget (GIMP_CONTAINER_VIEW (item_view), NULL);
gimp_dnd_drag_dest_set_by_type (GTK_WIDGET (tree_view->view),
GTK_DEST_DEFAULT_HIGHLIGHT,
item_view_class->item_type,
GDK_ACTION_MOVE | GDK_ACTION_COPY);
item_view->edit_button =
gimp_editor_add_action_button (editor, item_view_class->action_group,
item_view_class->edit_action, NULL);
gimp_container_view_enable_dnd (GIMP_CONTAINER_VIEW (item_view),
GTK_BUTTON (item_view->edit_button),
item_view_class->item_type);
item_view->new_button =
gimp_editor_add_action_button (editor, item_view_class->action_group,
item_view_class->new_action,
item_view_class->new_default_action,
GDK_SHIFT_MASK,
NULL);
/* connect "drop to new" manually as it makes a difference whether
* it was clicked or dropped
*/
gimp_dnd_viewable_dest_add (item_view->new_button,
item_view_class->item_type,
gimp_item_tree_view_new_dropped,
item_view);
item_view->raise_button =
gimp_editor_add_action_button (editor, item_view_class->action_group,
item_view_class->raise_action,
item_view_class->raise_top_action,
GDK_SHIFT_MASK,
NULL);
item_view->lower_button =
gimp_editor_add_action_button (editor, item_view_class->action_group,
item_view_class->lower_action,
item_view_class->lower_bottom_action,
GDK_SHIFT_MASK,
NULL);
item_view->duplicate_button =
gimp_editor_add_action_button (editor, item_view_class->action_group,
item_view_class->duplicate_action, NULL);
gimp_container_view_enable_dnd (GIMP_CONTAINER_VIEW (item_view),
GTK_BUTTON (item_view->duplicate_button),
item_view_class->item_type);
item_view->delete_button =
gimp_editor_add_action_button (editor, item_view_class->action_group,
item_view_class->delete_action, NULL);
gimp_container_view_enable_dnd (GIMP_CONTAINER_VIEW (item_view),
GTK_BUTTON (item_view->delete_button),
item_view_class->item_type);
return object;
}
static void
gimp_item_tree_view_destroy (GtkObject *object)
{
GimpItemTreeView *view = GIMP_ITEM_TREE_VIEW (object);
if (view->gimage)
gimp_item_tree_view_set_image (view, NULL);
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
GtkWidget *
gimp_item_tree_view_new (GType view_type,
gint preview_size,
gint preview_border_width,
GimpImage *gimage,
GimpMenuFactory *menu_factory,
const gchar *menu_identifier,
const gchar *ui_path)
{
GimpItemTreeView *item_view;
g_return_val_if_fail (g_type_is_a (view_type, GIMP_TYPE_ITEM_TREE_VIEW), NULL);
g_return_val_if_fail (preview_size > 0 &&
preview_size <= GIMP_VIEWABLE_MAX_PREVIEW_SIZE, NULL);
g_return_val_if_fail (preview_border_width >= 0 &&
preview_border_width <= GIMP_VIEW_MAX_BORDER_WIDTH,
NULL);
g_return_val_if_fail (gimage == NULL || GIMP_IS_IMAGE (gimage), NULL);
g_return_val_if_fail (GIMP_IS_MENU_FACTORY (menu_factory), NULL);
g_return_val_if_fail (menu_identifier != NULL, NULL);
g_return_val_if_fail (ui_path != NULL, NULL);
item_view = g_object_new (view_type,
"reorderable", TRUE,
"menu-factory", menu_factory,
"menu-identifier", menu_identifier,
"ui-path", ui_path,
NULL);
gimp_container_view_set_preview_size (GIMP_CONTAINER_VIEW (item_view),
preview_size, preview_border_width);
gimp_item_tree_view_set_image (item_view, gimage);
return GTK_WIDGET (item_view);
}
void
gimp_item_tree_view_set_image (GimpItemTreeView *view,
GimpImage *gimage)
{
g_return_if_fail (GIMP_IS_ITEM_TREE_VIEW (view));
g_return_if_fail (gimage == NULL || GIMP_IS_IMAGE (gimage));
g_signal_emit (view, view_signals[SET_IMAGE], 0, gimage);
gimp_ui_manager_update (GIMP_EDITOR (view)->ui_manager, view);
}
static void
gimp_item_tree_view_real_set_image (GimpItemTreeView *view,
GimpImage *gimage)
{
if (view->gimage == gimage)
return;
if (view->gimage)
{
g_signal_handlers_disconnect_by_func (view->gimage,
gimp_item_tree_view_item_changed,
view);
g_signal_handlers_disconnect_by_func (view->gimage,
gimp_item_tree_view_size_changed,
view);
gimp_container_view_set_container (GIMP_CONTAINER_VIEW (view), NULL);
g_signal_handlers_disconnect_by_func (view->gimage,
gimp_item_tree_view_image_flush,
view);
}
view->gimage = gimage;
if (view->gimage)
{
GimpContainer *container;
container =
GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->get_container (view->gimage);
gimp_container_view_set_container (GIMP_CONTAINER_VIEW (view), container);
g_signal_connect (view->gimage,
GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->signal_name,
G_CALLBACK (gimp_item_tree_view_item_changed),
view);
g_signal_connect (view->gimage, "size_changed",
G_CALLBACK (gimp_item_tree_view_size_changed),
view);
g_signal_connect (view->gimage, "flush",
G_CALLBACK (gimp_item_tree_view_image_flush),
view);
gimp_item_tree_view_item_changed (view->gimage, view);
}
}
static void
gimp_item_tree_view_image_flush (GimpImage *gimage,
GimpItemTreeView *view)
{
gimp_ui_manager_update (GIMP_EDITOR (view)->ui_manager, view);
}
/* GimpContainerView methods */
static void
gimp_item_tree_view_set_container (GimpContainerView *view,
GimpContainer *container)
{
GimpItemTreeView *item_view = GIMP_ITEM_TREE_VIEW (view);
GimpContainer *old_container;
old_container = gimp_container_view_get_container (view);
if (old_container)
{
gimp_container_remove_handler (old_container,
item_view->visible_changed_handler_id);
gimp_container_remove_handler (old_container,
item_view->linked_changed_handler_id);
item_view->visible_changed_handler_id = 0;
item_view->linked_changed_handler_id = 0;
}
parent_view_iface->set_container (view, container);
if (container)
{
item_view->visible_changed_handler_id =
gimp_container_add_handler (container, "visibility_changed",
G_CALLBACK (gimp_item_tree_view_visible_changed),
view);
item_view->linked_changed_handler_id =
gimp_container_add_handler (container, "linked_changed",
G_CALLBACK (gimp_item_tree_view_linked_changed),
view);
}
}
static gpointer
gimp_item_tree_view_insert_item (GimpContainerView *view,
GimpViewable *viewable,
gint index)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GimpItemTreeView *item_view = GIMP_ITEM_TREE_VIEW (view);
GimpItem *item = GIMP_ITEM (viewable);
GtkTreeIter *iter;
iter = parent_view_iface->insert_item (view, viewable, index);
gtk_list_store_set (GTK_LIST_STORE (tree_view->model), iter,
item_view->model_column_visible,
gimp_item_get_visible (item),
item_view->model_column_linked,
gimp_item_get_linked (item),
-1);
return iter;
}
static gboolean
gimp_item_tree_view_select_item (GimpContainerView *view,
GimpViewable *item,
gpointer insert_data)
{
GimpItemTreeView *tree_view = GIMP_ITEM_TREE_VIEW (view);
gboolean success;
success = parent_view_iface->select_item (view, item, insert_data);
if (item)
{
GimpItemTreeViewClass *item_view_class;
GimpItem *active_item;
item_view_class = GIMP_ITEM_TREE_VIEW_GET_CLASS (tree_view);
active_item = item_view_class->get_active_item (tree_view->gimage);
if (active_item != (GimpItem *) item)
{
item_view_class->set_active_item (tree_view->gimage,
GIMP_ITEM (item));
gimp_image_flush (tree_view->gimage);
}
}
gimp_ui_manager_update (GIMP_EDITOR (tree_view)->ui_manager, tree_view);
return success;
}
static void
gimp_item_tree_view_activate_item (GimpContainerView *view,
GimpViewable *item,
gpointer insert_data)
{
GimpItemTreeViewClass *item_view_class = GIMP_ITEM_TREE_VIEW_GET_CLASS (view);
if (parent_view_iface->activate_item)
parent_view_iface->activate_item (view, item, insert_data);
if (item_view_class->activate_action)
{
GtkAction *action;
action = gimp_ui_manager_find_action (GIMP_EDITOR (view)->ui_manager,
item_view_class->action_group,
item_view_class->activate_action);
if (action)
gtk_action_activate (action);
}
}
static void
gimp_item_tree_view_context_item (GimpContainerView *view,
GimpViewable *item,
gpointer insert_data)
{
if (parent_view_iface->context_item)
parent_view_iface->context_item (view, item, insert_data);
gimp_editor_popup_menu (GIMP_EDITOR (view), NULL, NULL);
}
static gboolean
gimp_item_tree_view_drop_possible (GimpContainerTreeView *tree_view,
GimpDndType src_type,
GimpViewable *src_viewable,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos,
GtkTreeViewDropPosition *return_drop_pos,
GdkDragAction *return_drag_action)
{
if (GIMP_IS_ITEM (src_viewable) &&
(dest_viewable == NULL ||
gimp_item_get_image (GIMP_ITEM (src_viewable)) !=
gimp_item_get_image (GIMP_ITEM (dest_viewable))))
{
if (return_drop_pos)
*return_drop_pos = drop_pos;
if (return_drag_action)
*return_drag_action = GDK_ACTION_COPY;
return TRUE;
}
return GIMP_CONTAINER_TREE_VIEW_CLASS (parent_class)->drop_possible (tree_view,
src_type,
src_viewable,
dest_viewable,
drop_pos,
return_drop_pos,
return_drag_action);
}
static void
gimp_item_tree_view_drop_viewable (GimpContainerTreeView *tree_view,
GimpViewable *src_viewable,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos)
{
GimpContainerView *container_view = GIMP_CONTAINER_VIEW (tree_view);
GimpItemTreeView *item_view = GIMP_ITEM_TREE_VIEW (tree_view);
GimpItemTreeViewClass *item_view_class;
GimpContainer *container;
gint dest_index = -1;
container = gimp_container_view_get_container (container_view);
if (dest_viewable)
dest_index = gimp_container_get_child_index (container,
GIMP_OBJECT (dest_viewable));
item_view_class = GIMP_ITEM_TREE_VIEW_GET_CLASS (item_view);
if (item_view->gimage != gimp_item_get_image (GIMP_ITEM (src_viewable)) ||
! g_type_is_a (G_TYPE_FROM_INSTANCE (src_viewable),
item_view_class->item_type))
{
GType item_type = item_view_class->item_type;
GimpItem *new_item;
if (g_type_is_a (G_TYPE_FROM_INSTANCE (src_viewable), item_type))
item_type = G_TYPE_FROM_INSTANCE (src_viewable);
if (dest_viewable && drop_pos == GTK_TREE_VIEW_DROP_AFTER)
dest_index++;
new_item = gimp_item_convert (GIMP_ITEM (src_viewable),
item_view->gimage, item_type, TRUE);
item_view_class->add_item (item_view->gimage, new_item, dest_index);
}
else if (dest_viewable)
{
gint src_index;
src_index = gimp_container_get_child_index (container,
GIMP_OBJECT (src_viewable));
if (drop_pos == GTK_TREE_VIEW_DROP_AFTER && src_index > dest_index)
{
dest_index++;
}
else if (drop_pos == GTK_TREE_VIEW_DROP_BEFORE && src_index < dest_index)
{
dest_index--;
}
item_view_class->reorder_item (item_view->gimage,
GIMP_ITEM (src_viewable),
dest_index,
TRUE,
item_view_class->reorder_desc);
}
gimp_image_flush (item_view->gimage);
}
/* "New" functions */
static void
gimp_item_tree_view_new_dropped (GtkWidget *widget,
gint x,
gint y,
GimpViewable *viewable,
gpointer data)
{
GimpItemTreeViewClass *item_view_class = GIMP_ITEM_TREE_VIEW_GET_CLASS (data);
GimpItemTreeView *view = GIMP_ITEM_TREE_VIEW (data);
GimpContainer *container;
container = gimp_container_view_get_container (GIMP_CONTAINER_VIEW (view));
if (viewable && gimp_container_have (container, GIMP_OBJECT (viewable)) &&
item_view_class->new_default_action)
{
GtkAction *action;
action = gimp_ui_manager_find_action (GIMP_EDITOR (view)->ui_manager,
item_view_class->action_group,
item_view_class->new_default_action);
if (action)
{
g_object_set (action, "viewable", viewable, NULL);
gtk_action_activate (action);
g_object_set (action, "viewable", NULL, NULL);
}
}
}
/* GimpImage callbacks */
static void
gimp_item_tree_view_item_changed (GimpImage *gimage,
GimpItemTreeView *view)
{
GimpItem *item;
item = GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->get_active_item (view->gimage);
gimp_container_view_select_item (GIMP_CONTAINER_VIEW (view),
(GimpViewable *) item);
}
static void
gimp_item_tree_view_size_changed (GimpImage *gimage,
GimpItemTreeView *tree_view)
{
GimpContainerView *view = GIMP_CONTAINER_VIEW (tree_view);
gint preview_size;
gint border_width;
preview_size = gimp_container_view_get_preview_size (view, &border_width);
gimp_container_view_set_preview_size (view, preview_size, border_width);
}
static void
gimp_item_tree_view_name_edited (GtkCellRendererText *cell,
const gchar *path_str,
const gchar *new_name,
GimpItemTreeView *view)
{
GimpContainerTreeView *tree_view;
GtkTreePath *path;
GtkTreeIter iter;
tree_view = GIMP_CONTAINER_TREE_VIEW (view);
path = gtk_tree_path_new_from_string (path_str);
if (gtk_tree_model_get_iter (tree_view->model, &iter, path))
{
GimpViewRenderer *renderer;
GimpItem *item;
const gchar *old_name;
gtk_tree_model_get (tree_view->model, &iter,
tree_view->model_column_renderer, &renderer,
-1);
item = GIMP_ITEM (renderer->viewable);
old_name = gimp_object_get_name (GIMP_OBJECT (item));
if (! old_name) old_name = "";
if (! new_name) new_name = "";
if (strcmp (old_name, new_name) &&
gimp_item_rename (item, new_name))
{
gimp_image_flush (gimp_item_get_image (item));
}
else
{
gchar *name = gimp_viewable_get_description (renderer->viewable, NULL);
gtk_list_store_set (GTK_LIST_STORE (tree_view->model), &iter,
tree_view->model_column_name, name,
-1);
g_free (name);
}
g_object_unref (renderer);
}
gtk_tree_path_free (path);
}
/* "Visible" callbacks */
static void
gimp_item_tree_view_visible_changed (GimpItem *item,
GimpItemTreeView *view)
{
GimpContainerView *container_view = GIMP_CONTAINER_VIEW (view);
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GtkTreeIter *iter;
iter = gimp_container_view_lookup (container_view,
(GimpViewable *) item);
if (iter)
gtk_list_store_set (GTK_LIST_STORE (tree_view->model), iter,
view->model_column_visible,
gimp_item_get_visible (item),
-1);
}
static void
gimp_item_tree_view_eye_clicked (GtkCellRendererToggle *toggle,
gchar *path_str,
GdkModifierType state,
GimpItemTreeView *view)
{
gimp_item_tree_view_toggle_clicked (toggle, path_str, state, view,
GIMP_UNDO_ITEM_VISIBILITY);
}
/* "Linked" callbacks */
static void
gimp_item_tree_view_linked_changed (GimpItem *item,
GimpItemTreeView *view)
{
GimpContainerView *container_view = GIMP_CONTAINER_VIEW (view);
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GtkTreeIter *iter;
iter = gimp_container_view_lookup (container_view,
(GimpViewable *) item);
if (iter)
gtk_list_store_set (GTK_LIST_STORE (tree_view->model), iter,
view->model_column_linked,
gimp_item_get_linked (item),
-1);
}
static void
gimp_item_tree_view_chain_clicked (GtkCellRendererToggle *toggle,
gchar *path_str,
GdkModifierType state,
GimpItemTreeView *view)
{
gimp_item_tree_view_toggle_clicked (toggle, path_str, state, view,
GIMP_UNDO_ITEM_LINKED);
}
/* Utility functions used from eye_clicked and chain_clicked.
* Would make sense to do this in a generic fashion using
* properties, but for now it's better than duplicating the code.
*/
static void
gimp_item_tree_view_toggle_clicked (GtkCellRendererToggle *toggle,
gchar *path_str,
GdkModifierType state,
GimpItemTreeView *view,
GimpUndoType undo_type)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GtkTreePath *path;
GtkTreeIter iter;
GimpUndoType group_type;
const gchar *undo_desc;
gboolean (* getter) (const GimpItem *item);
void (* setter) (GimpItem *item,
gboolean value,
gboolean push_undo);
gboolean (* pusher) (GimpImage *gimage,
const gchar *undo_desc,
GimpItem *item);
switch (undo_type)
{
case GIMP_UNDO_ITEM_VISIBILITY:
getter = gimp_item_get_visible;
setter = gimp_item_set_visible;
pusher = gimp_image_undo_push_item_visibility;
group_type = GIMP_UNDO_GROUP_ITEM_VISIBILITY;
undo_desc = _("Set Item Exclusive Visible");
break;
case GIMP_UNDO_ITEM_LINKED:
getter = gimp_item_get_linked;
setter = gimp_item_set_linked;
pusher = gimp_image_undo_push_item_linked;
group_type = GIMP_UNDO_GROUP_ITEM_LINKED;
undo_desc = _("Set Item Exclusive Linked");
break;
default:
return;
}
path = gtk_tree_path_new_from_string (path_str);
if (gtk_tree_model_get_iter (tree_view->model, &iter, path))
{
GimpViewRenderer *renderer;
GimpItem *item;
GimpImage *gimage;
gboolean active;
gtk_tree_model_get (tree_view->model, &iter,
tree_view->model_column_renderer, &renderer,
-1);
g_object_get (toggle,
"active", &active,
NULL);
item = GIMP_ITEM (renderer->viewable);
g_object_unref (renderer);
gimage = gimp_item_get_image (item);
if (state & GDK_SHIFT_MASK)
{
GList *on = NULL;
GList *off = NULL;
GList *list;
gboolean iter_valid;
for (iter_valid = gtk_tree_model_get_iter_first (tree_view->model,
&iter);
iter_valid;
iter_valid = gtk_tree_model_iter_next (tree_view->model,
&iter))
{
gtk_tree_model_get (tree_view->model, &iter,
tree_view->model_column_renderer, &renderer,
-1);
if ((GimpItem *) renderer->viewable != item)
{
if (getter (GIMP_ITEM (renderer->viewable)))
on = g_list_prepend (on, renderer->viewable);
else
off = g_list_prepend (off, renderer->viewable);
}
g_object_unref (renderer);
}
if (on || off || ! getter (item))
{
GimpItemTreeViewClass *view_class;
GimpUndo *undo;
gboolean push_undo = TRUE;
view_class = GIMP_ITEM_TREE_VIEW_GET_CLASS (view);
undo = gimp_image_undo_can_compress (gimage, GIMP_TYPE_UNDO_STACK,
group_type);
if (undo && (g_object_get_data (G_OBJECT (undo), "item-type") ==
(gpointer) view_class->item_type))
push_undo = FALSE;
if (push_undo)
{
if (gimp_image_undo_group_start (gimage, group_type,
undo_desc))
{
undo = gimp_image_undo_can_compress (gimage,
GIMP_TYPE_UNDO_STACK,
group_type);
if (undo)
g_object_set_data (G_OBJECT (undo), "item-type",
(gpointer) view_class->item_type);
}
pusher (gimage, NULL, item);
for (list = on; list; list = g_list_next (list))
pusher (gimage, NULL, list->data);
for (list = off; list; list = g_list_next (list))
pusher (gimage, NULL, list->data);
gimp_image_undo_group_end (gimage);
}
else
{
gimp_undo_refresh_preview (undo);
}
}
setter (item, TRUE, FALSE);
if (on)
{
for (list = on; list; list = g_list_next (list))
setter (GIMP_ITEM (list->data), FALSE, FALSE);
}
else if (off)
{
for (list = off; list; list = g_list_next (list))
setter (GIMP_ITEM (list->data), TRUE, FALSE);
}
g_list_free (on);
g_list_free (off);
}
else
{
GimpUndo *undo;
gboolean push_undo = TRUE;
undo = gimp_image_undo_can_compress (gimage, GIMP_TYPE_ITEM_UNDO,
undo_type);
if (undo && GIMP_ITEM_UNDO (undo)->item == item)
push_undo = FALSE;
setter (item, ! active, push_undo);
if (!push_undo)
gimp_undo_refresh_preview (undo);
}
gimp_image_flush (gimage);
}
gtk_tree_path_free (path);
}
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