Qwt User's Guide
6.0.2
Main Page
Related Pages
Classes
src
qwt_plot_zoomer.h
1
/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
2
* Qwt Widget Library
3
* Copyright (C) 1997 Josef Wilgen
4
* Copyright (C) 2002 Uwe Rathmann
5
*
6
* This library is free software; you can redistribute it and/or
7
* modify it under the terms of the Qwt License, Version 1.0
8
*****************************************************************************/
9
10
#ifndef QWT_PLOT_ZOOMER_H
11
#define QWT_PLOT_ZOOMER_H
12
13
#include "qwt_global.h"
14
#include "qwt_plot_picker.h"
15
#include <qstack.h>
16
41
class
QWT_EXPORT
QwtPlotZoomer
:
public
QwtPlotPicker
42
{
43
Q_OBJECT
44
public
:
45
explicit
QwtPlotZoomer
(
QwtPlotCanvas
*,
bool
doReplot =
true
);
46
explicit
QwtPlotZoomer
(
int
xAxis,
int
yAxis,
47
QwtPlotCanvas
*,
bool
doReplot =
true
);
48
49
virtual
~
QwtPlotZoomer
();
50
51
virtual
void
setZoomBase(
bool
doReplot =
true
);
52
virtual
void
setZoomBase(
const
QRectF & );
53
54
QRectF zoomBase()
const
;
55
QRectF zoomRect()
const
;
56
57
virtual
void
setAxis
(
int
xAxis,
int
yAxis );
58
59
void
setMaxStackDepth(
int
);
60
int
maxStackDepth()
const
;
61
62
const
QStack<QRectF> &zoomStack()
const
;
63
void
setZoomStack(
const
QStack<QRectF> &,
64
int
zoomRectIndex = -1 );
65
66
uint zoomRectIndex()
const
;
67
68
public
Q_SLOTS:
69
void
moveBy(
double
x,
double
y );
70
virtual
void
moveTo(
const
QPointF & );
71
72
virtual
void
zoom(
const
QRectF & );
73
virtual
void
zoom(
int
up );
74
75
Q_SIGNALS:
83
void
zoomed(
const
QRectF &rect );
84
85
protected
:
86
virtual
void
rescale();
87
88
virtual
QSizeF minZoomSize()
const
;
89
90
virtual
void
widgetMouseReleaseEvent
( QMouseEvent * );
91
virtual
void
widgetKeyPressEvent
( QKeyEvent * );
92
93
virtual
void
begin
();
94
virtual
bool
end
(
bool
ok =
true
);
95
virtual
bool
accept
( QPolygon & )
const
;
96
97
private
:
98
void
init(
bool
doReplot );
99
100
class
PrivateData;
101
PrivateData *d_data;
102
};
103
104
#endif
Generated by
1.8.1