COIN-OR::LEMON - Graph Library

source: lemon-0.x/gui/broken_edge.h @ 1500:a222eb109e52

Last change on this file since 1500:a222eb109e52 was 1500:a222eb109e52, checked in by Hegyi Péter, 15 years ago

First of all: revision 1981 is mine, what is important me because I was born in 1981. But what is new in my revision? If you drag nodes with left button, edge-breakpoints do not change location. If you drag nodes by right button, they do, they take up their base situation at the halfpoint of the edge.

File size: 746 bytes
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1// -*- C++ -*- //
2
3#ifndef BROKEN_EDGE_H
4#define BROKEN_EDGE_H
5
6#include <all_include.h>
7#include <libgnomecanvasmm.h>
8#include <libgnomecanvasmm/polygon.h>
9
10class BrokenEdge : public Gnome::Canvas::Line
11{
12  Gnome::Canvas::Polygon * arrow;
13  Gnome::Art::Point * my_points;
14
15  ///Indicates whether the button of mouse is pressed or not
16  bool isbutton;
17
18  ///At this location was the mousebutton pressed.
19  ///It helps to calculate the distance of dragging.
20  double clicked_x, clicked_y;
21
22  ///event handler for forming edges
23  bool edge_former_event_handler(GdkEvent*);
24 public:
25  BrokenEdge(Gnome::Canvas::Group &, Gnome::Canvas::Points);
26  ~BrokenEdge();
27  void set_points(Gnome::Canvas::Points, bool move=false);
28};
29
30
31#endif //BROKEN_EDGE_H
32
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