COIN-OR::LEMON - Graph Library

source: lemon-0.x/gui/broken_edge.h @ 1639:aec340db8fc2

Last change on this file since 1639:aec340db8fc2 was 1606:dc4ea2010dee, checked in by Akos Ladanyi, 15 years ago

added support for saving files

File size: 902 bytes
Line 
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 edgeFormerEventHandler(GdkEvent*);
30 public:
31  BrokenEdge(Gnome::Canvas::Group &, Gnome::Canvas::Points, GraphDisplayerCanvas &);
32  ~BrokenEdge();
33  void setPoints(Gnome::Canvas::Points, bool move=false);
34  xy<double> getArrowPos();
35};
36
37
38#endif //BROKEN_EDGE_H
39
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