1 #ifndef __SP_ITEM_GROUP_H__
2 #define __SP_ITEM_GROUP_H__
4 /*
5 * SVG <g> implementation
6 *
7 * Authors:
8 * Lauris Kaplinski <lauris@kaplinski.com>
9 *
10 * Copyright (C) 1999-2002 authors
11 * Copyright (C) 2000-2001 Ximian, Inc.
12 *
13 * Released under GNU GPL, read the file 'COPYING' for more information
14 */
16 #include <map>
17 #include "sp-item.h"
19 #define SP_TYPE_GROUP (sp_group_get_type ())
20 #define SP_GROUP(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), SP_TYPE_GROUP, SPGroup))
21 #define SP_GROUP_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), SP_TYPE_GROUP, SPGroupClass))
22 #define SP_IS_GROUP(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SP_TYPE_GROUP))
23 #define SP_IS_GROUP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SP_TYPE_GROUP))
25 class CGroup;
27 struct SPGroup : public SPItem {
28 enum LayerMode { GROUP, LAYER };
30 LayerMode _layer_mode;
31 std::map<unsigned int, LayerMode> _display_modes;
33 LayerMode layerMode() const { return _layer_mode; }
34 void setLayerMode(LayerMode mode);
36 LayerMode effectiveLayerMode(unsigned int display_key) const {
37 if ( _layer_mode == LAYER ) {
38 return LAYER;
39 } else {
40 return layerDisplayMode(display_key);
41 }
42 }
44 LayerMode layerDisplayMode(unsigned int display_key) const;
45 void setLayerDisplayMode(unsigned int display_key, LayerMode mode);
47 CGroup *group;
49 private:
50 void _updateLayerMode(unsigned int display_key=0);
51 };
53 struct SPGroupClass {
54 SPItemClass parent_class;
55 };
57 /*
58 * Virtual methods of SPGroup
59 */
60 class CGroup {
61 public:
62 CGroup(SPGroup *group);
63 virtual ~CGroup();
65 virtual void onChildAdded(Inkscape::XML::Node *child);
66 virtual void onChildRemoved(Inkscape::XML::Node *child);
67 virtual void onUpdate(SPCtx *ctx, unsigned int flags);
68 virtual void onModified(guint flags);
69 virtual void calculateBBox(NRRect *bbox, NR::Matrix const &transform, unsigned const flags);
70 virtual void onPrint(SPPrintContext *ctx);
71 virtual void onOrderChanged(Inkscape::XML::Node *child, Inkscape::XML::Node *old_ref, Inkscape::XML::Node *new_ref);
72 virtual gchar *getDescription();
73 virtual NRArenaItem *show (NRArena *arena, unsigned int key, unsigned int flags);
74 virtual void hide (unsigned int key);
76 gint getItemCount();
78 protected:
79 enum Action { ActionGeneral, ActionBBox, ActionUpdate, ActionShow };
80 virtual GSList *_childList(bool add_ref, Action action = ActionGeneral);
81 virtual void _showChildren (NRArena *arena, NRArenaItem *ai, unsigned int key, unsigned int flags);
83 SPGroup *_group;
84 };
86 GType sp_group_get_type (void);
88 void sp_item_group_ungroup (SPGroup *group, GSList **children, bool do_done = true);
91 GSList *sp_item_group_item_list (SPGroup *group);
92 SPObject *sp_item_group_get_child_by_name (SPGroup *group, SPObject *ref, const gchar *name);
94 #endif