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
|
#ifndef _GRWIDGET_H_
#define _GRWIDGET_H_
#include <QWidget>
#include <QMouseEvent>
#include <QWheelEvent>
#include <QKeyEvent>
#include <QRubberBand>
#include <QPoint>
#ifdef _WIN32
#ifdef COMPILING_DLL
#define DLL __declspec(dllexport)
#else
#define DLL __declspec(dllimport)
#endif
#else
#define DLL
#endif
// ##################### Base GRWidget #########################################
class DLL GRWidget : public QWidget
{
public:
GRWidget(QWidget *parent = 0);
protected:
void paintEvent(QPaintEvent *event);
virtual void clear_background(QPainter &painter);
virtual void draw() = 0;
private:
void init_gks();
};
// ##################### Interactive GRWidget ##################################
class DLL InteractiveGRWidget : public GRWidget
{
public:
InteractiveGRWidget(QWidget *parent = 0);
protected:
void paintEvent(QPaintEvent *event);
void mouseMoveEvent(QMouseEvent *event);
void mousePressEvent(QMouseEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
void wheelEvent(QWheelEvent *event);
void keyPressEvent(QKeyEvent *event);
private:
void set_xform(void);
QRubberBand *rubberBand;
QPoint drag_start;
QRect zoom_rect;
};
#undef DLL
#endif /* ifndef GRWIDGET_H_INCLUDED */
|
