source: src/UIElements/Views/Qt4/Plotting/QScrollZoomer/ScrollZoomer.hpp@ e895f7

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Last change on this file since e895f7 was 35302b, checked in by Frederik Heber <heber@…>, 11 years ago

Added many files from project Seismolo.
  • Property mode set to 100644
File size: 1.9 KB
RevLine 
[35302b]1/*
2 * QSeisScrollzoomer.h
3 *
4 * taken from "realtime"-example
5 *
6 */
7
8#ifndef _SCROLLZOOMER_HPP
9#define _SCROLLZOOMER_HPP
10
11// include config.h
12#ifdef HAVE_CONFIG_H
13#include <config.h>
14#endif
15
16#include <qglobal.h>
17#if QT_VERSION < 0x040000
18#include <qscrollview.h>
19#endif
20#include <qwt_plot_zoomer.h>
21
22class ScrollData;
23class ScrollBar;
24
25class ScrollZoomer: public QwtPlotZoomer
26{
27 Q_OBJECT
28public:
29 enum ScrollBarPosition
30 {
31 AttachedToScale,
32 OppositeToScale
33 };
34
35 ScrollZoomer(QwtPlotCanvas *);
36 virtual ~ScrollZoomer();
37
38 ScrollBar *horizontalScrollBar() const;
39 ScrollBar *verticalScrollBar() const;
40
41#if QT_VERSION < 0x040000
42 void setHScrollBarMode(QScrollView::ScrollBarMode);
43 void setVScrollBarMode(QScrollView::ScrollBarMode);
44
45 QScrollView::ScrollBarMode vScrollBarMode () const;
46 QScrollView::ScrollBarMode hScrollBarMode () const;
47#else
48 void setHScrollBarMode(Qt::ScrollBarPolicy);
49 void setVScrollBarMode(Qt::ScrollBarPolicy);
50
51 Qt::ScrollBarPolicy vScrollBarMode () const;
52 Qt::ScrollBarPolicy hScrollBarMode () const;
53#endif
54
55 void setHScrollBarPosition(ScrollBarPosition);
56 void setVScrollBarPosition(ScrollBarPosition);
57
58 ScrollBarPosition hScrollBarPosition() const;
59 ScrollBarPosition vScrollBarPosition() const;
60
61 QWidget* cornerWidget() const;
62 virtual void setCornerWidget(QWidget *);
63
64 virtual bool eventFilter(QObject *, QEvent *);
65
66 virtual void rescale();
67
68protected:
69 virtual ScrollBar *scrollBar(Qt::Orientation);
70 virtual void updateScrollBars();
71 virtual void layoutScrollBars(const QRect &);
72
73private slots:
74 void scrollBarMoved(Qt::Orientation o, double min, double max);
75
76private:
77 bool needScrollBar(Qt::Orientation) const;
78 int oppositeAxis(int) const;
79
80 QWidget *d_cornerWidget;
81
82 ScrollData *d_hScrollData;
83 ScrollData *d_vScrollData;
84
85 bool d_inZoom;
86 bool d_alignCanvasToScales;
87};
88
89#endif // _SCROLLZOOMER_HPP
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