Add an "expanded-changed" signal to GimpViewable, which should be emitted by subclasses when the viewable's expanded state changes. Emit this signal when the expanded state of group layers changes. Respond to this signal in GimpContainerView, by calling a new expand_item() virtual function. Implement expand_item() in GimpContainerTreeView, expanding or collapsing the item as necessary.
169 lines
8.3 KiB
C
169 lines
8.3 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimpcontainerview.h
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* Copyright (C) 2001-2010 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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GIMP_CONTAINER_VIEW_H__
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#define __GIMP_CONTAINER_VIEW_H__
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typedef enum
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{
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GIMP_CONTAINER_VIEW_PROP_0,
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GIMP_CONTAINER_VIEW_PROP_CONTAINER,
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GIMP_CONTAINER_VIEW_PROP_CONTEXT,
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GIMP_CONTAINER_VIEW_PROP_SELECTION_MODE,
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GIMP_CONTAINER_VIEW_PROP_REORDERABLE,
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GIMP_CONTAINER_VIEW_PROP_VIEW_SIZE,
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GIMP_CONTAINER_VIEW_PROP_VIEW_BORDER_WIDTH,
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GIMP_CONTAINER_VIEW_PROP_LAST = GIMP_CONTAINER_VIEW_PROP_VIEW_BORDER_WIDTH
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} GimpContainerViewProp;
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#define GIMP_TYPE_CONTAINER_VIEW (gimp_container_view_interface_get_type ())
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#define GIMP_CONTAINER_VIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_CONTAINER_VIEW, GimpContainerView))
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#define GIMP_IS_CONTAINER_VIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_CONTAINER_VIEW))
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#define GIMP_CONTAINER_VIEW_GET_INTERFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GIMP_TYPE_CONTAINER_VIEW, GimpContainerViewInterface))
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typedef struct _GimpContainerViewInterface GimpContainerViewInterface;
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struct _GimpContainerViewInterface
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{
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GTypeInterface base_iface;
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/* signals */
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gboolean (* select_item) (GimpContainerView *view,
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GimpViewable *object,
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gpointer insert_data);
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void (* activate_item) (GimpContainerView *view,
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GimpViewable *object,
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gpointer insert_data);
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void (* context_item) (GimpContainerView *view,
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GimpViewable *object,
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gpointer insert_data);
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/* virtual functions */
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void (* set_container) (GimpContainerView *view,
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GimpContainer *container);
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void (* set_context) (GimpContainerView *view,
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GimpContext *context);
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void (* set_selection_mode) (GimpContainerView *view,
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GtkSelectionMode mode);
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gpointer (* insert_item) (GimpContainerView *view,
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GimpViewable *object,
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gpointer parent_insert_data,
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gint index);
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void (* insert_item_after) (GimpContainerView *view,
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GimpViewable *object,
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gpointer insert_data);
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void (* remove_item) (GimpContainerView *view,
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GimpViewable *object,
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gpointer insert_data);
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void (* reorder_item) (GimpContainerView *view,
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GimpViewable *object,
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gint new_index,
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gpointer insert_data);
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void (* rename_item) (GimpContainerView *view,
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GimpViewable *object,
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gpointer insert_data);
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void (* expand_item) (GimpContainerView *view,
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GimpViewable *object,
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gpointer insert_data);
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void (* clear_items) (GimpContainerView *view);
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void (* set_view_size) (GimpContainerView *view);
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gint (* get_selected) (GimpContainerView *view,
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GList **items);
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/* the destroy notifier for private->hash_table's values */
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GDestroyNotify insert_data_free;
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gboolean model_is_tree;
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};
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GType gimp_container_view_interface_get_type (void) G_GNUC_CONST;
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GimpContainer * gimp_container_view_get_container (GimpContainerView *view);
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void gimp_container_view_set_container (GimpContainerView *view,
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GimpContainer *container);
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GimpContext * gimp_container_view_get_context (GimpContainerView *view);
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void gimp_container_view_set_context (GimpContainerView *view,
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GimpContext *context);
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GtkSelectionMode gimp_container_view_get_selection_mode (GimpContainerView *view);
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void gimp_container_view_set_selection_mode (GimpContainerView *view,
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GtkSelectionMode mode);
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gint gimp_container_view_get_view_size (GimpContainerView *view,
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gint *view_border_width);
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void gimp_container_view_set_view_size (GimpContainerView *view,
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gint view_size,
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gint view_border_width);
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gboolean gimp_container_view_get_reorderable (GimpContainerView *view);
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void gimp_container_view_set_reorderable (GimpContainerView *view,
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gboolean reorderable);
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GtkWidget * gimp_container_view_get_dnd_widget (GimpContainerView *view);
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void gimp_container_view_set_dnd_widget (GimpContainerView *view,
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GtkWidget *dnd_widget);
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void gimp_container_view_enable_dnd (GimpContainerView *editor,
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GtkButton *button,
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GType children_type);
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gboolean gimp_container_view_select_item (GimpContainerView *view,
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GimpViewable *viewable);
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void gimp_container_view_activate_item (GimpContainerView *view,
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GimpViewable *viewable);
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void gimp_container_view_context_item (GimpContainerView *view,
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GimpViewable *viewable);
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gint gimp_container_view_get_selected (GimpContainerView *view,
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GList **list);
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/* protected */
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gpointer gimp_container_view_lookup (GimpContainerView *view,
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GimpViewable *viewable);
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gboolean gimp_container_view_item_selected (GimpContainerView *view,
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GimpViewable *item);
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gboolean gimp_container_view_multi_selected (GimpContainerView *view,
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GList *items);
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void gimp_container_view_item_activated (GimpContainerView *view,
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GimpViewable *item);
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void gimp_container_view_item_context (GimpContainerView *view,
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GimpViewable *item);
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/* convenience functions */
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void gimp_container_view_install_properties (GObjectClass *klass);
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void gimp_container_view_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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void gimp_container_view_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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#endif /* __GIMP_CONTAINER_VIEW_H__ */
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