1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/* This file is part of Ganv.
* Copyright 2007-2012 David Robillard <http://drobilla.net>
*
* Ganv is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or any later version.
*
* Ganv is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
*
* You should have received a copy of the GNU General Public License along
* with Ganv. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GANV_EDGE_HPP
#define GANV_EDGE_HPP
#include <stdint.h>
#include <gdk/gdkevents.h>
#include "ganv/canvas-base.h"
#include "ganv/Canvas.hpp"
#include "ganv/Item.hpp"
#include "ganv/Node.hpp"
#include "ganv/edge.h"
GANV_GLIB_WRAP(Edge)
namespace Ganv {
class Canvas;
/** A edge (line) between two Node objects.
*
* @ingroup Ganv
*/
class Edge : public Item
{
public:
Edge(Canvas& canvas,
Node* tail,
Node* head,
uint32_t color,
bool show_arrowhead = false,
bool curved = true)
: Item(GANV_ITEM(
ganv_edge_new(
canvas.gobj(),
tail->gobj(),
head->gobj(),
"color", color,
"curved", (gboolean)curved,
"arrowhead", (gboolean)show_arrowhead,
NULL)))
{
}
Edge(GanvEdge* gobj)
: Item(GANV_ITEM(gobj))
{}
virtual ~Edge() {
if (_gobj && _gobj->parent) {
g_object_unref(_gobj);
}
}
/** Return true iff the handle is within the given rectangle. */
virtual gboolean is_within(double x1, double y1,
double x2, double y2) const {
return ganv_edge_is_within(gobj(), x1, y1, x2, y2);
}
RW_PROPERTY(gboolean, curved)
RW_PROPERTY(gboolean, selected)
RW_PROPERTY(gboolean, highlighted)
RW_PROPERTY(guint, color)
METHODRETWRAP0(ganv_edge, Node*, get_tail);
METHODRETWRAP0(ganv_edge, Node*, get_head);
METHOD1(ganv_edge, tick, double, seconds);
GanvEdge* gobj() { return (GanvEdge*)_gobj; }
const GanvEdge* gobj() const { return (GanvEdge*)_gobj; }
private:
Edge(const Edge& copy);
Edge& operator=(const Edge& other);
};
} // namespace Ganv
#endif // GANV_EDGE_HPP
|
