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_lpe_path_parameter(SPItem *item, SPObject *lpeobject, const char * key);
40 void set_knotholder(SPKnotHolder * knot_holder);
41 void reset_item ();
42 void unset_item ();
44 SPItem *get_item ();
46 bool has_nodepath ();
47 bool has_knotholder ();
49 bool has_local_change ();
50 void decrement_local_change ();
52 GList *save_nodepath_selection ();
53 void restore_nodepath_selection (GList *saved);
55 void nodepath_destroyed ();
57 void update_statusbar ();
59 bool is_over_stroke (NR::Point event_p, bool remember);
61 void add_node_near_point(); // uses the shapeeditor's remembered point, if any
63 void select_segment_near_point(bool toggle); // uses the shapeeditor's remembered point, if any
65 void cancel_hit ();
67 bool hits_curve ();
69 void curve_drag (gdouble eventx, gdouble eventy);
71 void finish_drag ();
73 void select_rect (NR::Rect const &rect, bool add);
75 bool has_selection ();
76 void deselect ();
78 Inkscape::NodePath::Path *get_nodepath() {return nodepath;} //((deprecated))
79 ShapeEditorsCollective *get_container() {return container;}
81 void add_node();
83 void delete_nodes();
84 void delete_nodes_preserving_shape();
85 void delete_segment();
87 void set_node_type(int type);
89 void break_at_nodes();
90 void join_nodes();
91 void join_segments();
93 void duplicate_nodes();
95 void set_type_of_segments(NRPathcode code);
97 void move_nodes(gdouble dx, gdouble dy);
98 void move_nodes_screen(gdouble dx, gdouble dy);
100 void rotate_nodes(gdouble angle, int which, bool screen);
102 void scale_nodes(gdouble const grow, int const which);
103 void scale_nodes_screen(gdouble const grow, int const which);
105 void select_all (bool invert);
106 void select_all_from_subpath (bool invert);
107 void select_next ();
108 void select_prev ();
110 void show_handles (bool show);
111 void show_helperpath (bool show);
113 void flip (NR::Dim2 axis, NR::Maybe<NR::Point> center = NR::Nothing());
115 void distribute (NR::Dim2 axis);
116 void align (NR::Dim2 axis);
118 bool nodepath_edits_repr_key(gchar const *name);
120 private:
121 SPDesktop *desktop;
123 Inkscape::NodePath::Path *nodepath;
124 SPKnotHolder *knotholder;
126 ShapeEditorsCollective *container;
128 //Inkscape::XML::Node *lidtened_repr;
130 double grab_t;
131 int grab_node; // number of node grabbed by sp_node_context_is_over_stroke
132 bool hit;
133 NR::Point curvepoint_event; // int coords from event
134 NR::Point curvepoint_doc; // same, in doc coords
135 };
138 /* As the next stage, this will be a collection of multiple ShapeEditors,
139 with the same interface as the single ShapeEditor, passing the actions to all its
140 contained ShapeEditors. Thus it should be easy to switch node context from
141 using a single ShapeEditor to using a ShapeEditorsCollective. */
143 class ShapeEditorsCollective {
144 public:
146 ShapeEditorsCollective(SPDesktop *desktop);
147 ~ShapeEditorsCollective();
149 void update_statusbar();
151 private:
152 std::vector<ShapeEditor> editors;
154 SPNodeContext *nc; // who holds us
155 };
157 #endif
160 /*
161 Local Variables:
162 mode:c++
163 c-file-style:"stroustrup"
164 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
165 indent-tabs-mode:nil
166 fill-column:99
167 End:
168 */
169 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :