1 #ifndef __SHAPE_EDITOR_H__
2 #define __SHAPE_EDITOR_H__
4 /*
5 * Inkscape::ShapeEditor
6 *
7 * This is a container class which contains either knotholder (for shapes) or nodepath (for
8 * paths). It is attached to a single item so only one of these is active at a time.
9 *
10 * Authors:
11 * bulia byak <buliabyak@users.sf.net>
12 *
13 */
15 #include <forward.h>
17 namespace Inkscape {
18 namespace NodePath {
19 class Path;
20 }
21 }
23 #include "libnr/nr-path-code.h"
24 #include "libnr/nr-point.h"
25 #include "libnr/nr-maybe.h"
27 class SPKnotHolder;
28 class SPDesktop;
29 class SPNodeContext;
30 class ShapeEditorsCollective;
32 class ShapeEditor {
33 public:
35 ShapeEditor(SPDesktop *desktop);
36 ~ShapeEditor();
38 void set_item (SPItem *item);
39 void set_livepatheffect_parameter(SPObject *lpeobject, const char * key);
40 void unset_item ();
42 SPItem *get_item ();
44 bool has_nodepath ();
45 bool has_knotholder ();
47 bool has_local_change ();
48 void decrement_local_change ();
50 GList *save_nodepath_selection ();
51 void restore_nodepath_selection (GList *saved);
53 void nodepath_destroyed ();
55 void update_statusbar ();
57 bool is_over_stroke (NR::Point event_p, bool remember);
59 void add_node_near_point(); // uses the shapeeditor's remembered point, if any
61 void select_segment_near_point(bool toggle); // uses the shapeeditor's remembered point, if any
63 void cancel_hit ();
65 bool hits_curve ();
67 void curve_drag (gdouble eventx, gdouble eventy);
69 void finish_drag ();
71 void select_rect (NR::Rect const &rect, bool add);
73 bool has_selection ();
74 void deselect ();
76 Inkscape::NodePath::Path *get_nodepath() {return nodepath;} //((deprecated))
77 ShapeEditorsCollective *get_container() {return container;}
79 void add_node();
81 void delete_nodes();
82 void delete_nodes_preserving_shape();
83 void delete_segment();
85 void set_node_type(int type);
87 void break_at_nodes();
88 void join_nodes();
89 void join_segments();
91 void duplicate_nodes();
93 void set_type_of_segments(NRPathcode code);
95 void move_nodes(gdouble dx, gdouble dy);
96 void move_nodes_screen(gdouble dx, gdouble dy);
98 void rotate_nodes(gdouble angle, int which, bool screen);
100 void scale_nodes(gdouble const grow, int const which);
101 void scale_nodes_screen(gdouble const grow, int const which);
103 void select_all (bool invert);
104 void select_all_from_subpath (bool invert);
105 void select_next ();
106 void select_prev ();
108 void show_handles (bool show);
110 void flip (NR::Dim2 axis, NR::Maybe<NR::Point> center = NR::Nothing());
112 void distribute (NR::Dim2 axis);
113 void align (NR::Dim2 axis);
115 private:
116 SPDesktop *desktop;
118 Inkscape::NodePath::Path *nodepath;
119 SPKnotHolder *knotholder;
121 ShapeEditorsCollective *container;
123 //Inkscape::XML::Node *lidtened_repr;
125 double grab_t;
126 int grab_node; // number of node grabbed by sp_node_context_is_over_stroke
127 bool hit;
128 NR::Point curvepoint_event; // int coords from event
129 NR::Point curvepoint_doc; // same, in doc coords
130 };
133 /* As the next stage, this will be a collection of multiple ShapeEditors,
134 with the same interface as the single ShapeEditor, passing the actions to all its
135 contained ShapeEditors. Thus it should be easy to switch node context from
136 using a single ShapeEditor to using a ShapeEditorsCollective. */
138 class ShapeEditorsCollective {
139 public:
141 ShapeEditorsCollective(SPDesktop *desktop);
142 ~ShapeEditorsCollective();
144 void update_statusbar();
146 private:
147 std::vector<ShapeEditor> editors;
149 SPNodeContext *nc; // who holds us
150 };
152 #endif
155 /*
156 Local Variables:
157 mode:c++
158 c-file-style:"stroustrup"
159 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
160 indent-tabs-mode:nil
161 fill-column:99
162 End:
163 */
164 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :