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_item_livepatheffect_parameter(SPItem *item, SPObject *lpeobject, const char * key);
40 void reset_item ();
41 void unset_item ();
43 SPItem *get_item ();
45 bool has_nodepath ();
46 bool has_knotholder ();
48 bool has_local_change ();
49 void decrement_local_change ();
51 GList *save_nodepath_selection ();
52 void restore_nodepath_selection (GList *saved);
54 void nodepath_destroyed ();
56 void update_statusbar ();
58 bool is_over_stroke (NR::Point event_p, bool remember);
60 void add_node_near_point(); // uses the shapeeditor's remembered point, if any
62 void select_segment_near_point(bool toggle); // uses the shapeeditor's remembered point, if any
64 void cancel_hit ();
66 bool hits_curve ();
68 void curve_drag (gdouble eventx, gdouble eventy);
70 void finish_drag ();
72 void select_rect (NR::Rect const &rect, bool add);
74 bool has_selection ();
75 void deselect ();
77 Inkscape::NodePath::Path *get_nodepath() {return nodepath;} //((deprecated))
78 ShapeEditorsCollective *get_container() {return container;}
80 void add_node();
82 void delete_nodes();
83 void delete_nodes_preserving_shape();
84 void delete_segment();
86 void set_node_type(int type);
88 void break_at_nodes();
89 void join_nodes();
90 void join_segments();
92 void duplicate_nodes();
94 void set_type_of_segments(NRPathcode code);
96 void move_nodes(gdouble dx, gdouble dy);
97 void move_nodes_screen(gdouble dx, gdouble dy);
99 void rotate_nodes(gdouble angle, int which, bool screen);
101 void scale_nodes(gdouble const grow, int const which);
102 void scale_nodes_screen(gdouble const grow, int const which);
104 void select_all (bool invert);
105 void select_all_from_subpath (bool invert);
106 void select_next ();
107 void select_prev ();
109 void show_handles (bool show);
111 void flip (NR::Dim2 axis, NR::Maybe<NR::Point> center = NR::Nothing());
113 void distribute (NR::Dim2 axis);
114 void align (NR::Dim2 axis);
116 bool nodepath_edits_repr_key(gchar const *name);
118 private:
119 SPDesktop *desktop;
121 Inkscape::NodePath::Path *nodepath;
122 SPKnotHolder *knotholder;
124 ShapeEditorsCollective *container;
126 //Inkscape::XML::Node *lidtened_repr;
128 double grab_t;
129 int grab_node; // number of node grabbed by sp_node_context_is_over_stroke
130 bool hit;
131 NR::Point curvepoint_event; // int coords from event
132 NR::Point curvepoint_doc; // same, in doc coords
133 };
136 /* As the next stage, this will be a collection of multiple ShapeEditors,
137 with the same interface as the single ShapeEditor, passing the actions to all its
138 contained ShapeEditors. Thus it should be easy to switch node context from
139 using a single ShapeEditor to using a ShapeEditorsCollective. */
141 class ShapeEditorsCollective {
142 public:
144 ShapeEditorsCollective(SPDesktop *desktop);
145 ~ShapeEditorsCollective();
147 void update_statusbar();
149 private:
150 std::vector<ShapeEditor> editors;
152 SPNodeContext *nc; // who holds us
153 };
155 #endif
158 /*
159 Local Variables:
160 mode:c++
161 c-file-style:"stroustrup"
162 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
163 indent-tabs-mode:nil
164 fill-column:99
165 End:
166 */
167 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :