COIN-OR::LEMON - Graph Library

source: lemon-0.x/gui/broken_edge.h @ 1512:e54392395480

Last change on this file since 1512:e54392395480 was 1505:7121597da9ba, checked in by Hegyi Péter, 15 years ago

Previous commit was also mine, but I forgot to say, that it was my younger brother's birthyear. From this commit texts of activated maps move together with red arrows.

File size: 908 bytes
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1// -*- C++ -*- //
2
3#ifndef BROKEN_EDGE_H
4#define BROKEN_EDGE_H
5
6class BrokenEdge;
7
8#include <all_include.h>
9#include <libgnomecanvasmm.h>
10#include <libgnomecanvasmm/polygon.h>
11#include <graph_displayer_canvas.h>
12#include <lemon/xy.h>
13
14class BrokenEdge : public Gnome::Canvas::Line
15{
16  GraphDisplayerCanvas & gdc;
17  Gnome::Canvas::Polygon * arrow;
18  Gnome::Art::Point * my_points;
19
20
21  ///Indicates whether the button of mouse is pressed or not
22  bool isbutton;
23
24  ///At this location was the mousebutton pressed.
25  ///It helps to calculate the distance of dragging.
26  double clicked_x, clicked_y;
27
28  ///event handler for forming edges
29  bool edge_former_event_handler(GdkEvent*);
30 public:
31  BrokenEdge(Gnome::Canvas::Group &, Gnome::Canvas::Points, GraphDisplayerCanvas &);
32  ~BrokenEdge();
33  void set_points(Gnome::Canvas::Points, bool move=false);
34  xy<double> get_arrow_pos();
35};
36
37
38#endif //BROKEN_EDGE_H
39
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