/usr/include/qwt-qt4/qwt_picker_machine.h is in libqwt5-qt4-dev 5.2.2-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 | /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
* Qwt Widget Library
* Copyright (C) 1997 Josef Wilgen
* Copyright (C) 2002 Uwe Rathmann
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the Qwt License, Version 1.0
*****************************************************************************/
#ifndef QWT_PICKER_MACHINE
#define QWT_PICKER_MACHINE 1
#include "qwt_global.h"
#if QT_VERSION < 0x040000
#include <qvaluelist.h>
#else
#include <qlist.h>
#endif
class QEvent;
class QwtEventPattern;
/*!
\brief A state machine for QwtPicker selections
QwtPickerMachine accepts key and mouse events and translates them
into selection commands.
\sa QwtEventPattern::MousePatternCode, QwtEventPattern::KeyPatternCode
*/
class QWT_EXPORT QwtPickerMachine
{
public:
//! Commands - the output of the state machine
enum Command
{
Begin,
Append,
Move,
End
};
#if QT_VERSION < 0x040000
typedef QValueList<Command> CommandList;
#else
typedef QList<Command> CommandList;
#endif
virtual ~QwtPickerMachine();
//! Transition
virtual CommandList transition(
const QwtEventPattern &, const QEvent *) = 0;
void reset();
int state() const;
void setState(int);
protected:
QwtPickerMachine();
private:
int d_state;
};
/*!
\brief A state machine for point selections
Pressing QwtEventPattern::MouseSelect1 or
QwtEventPattern::KeySelect1 selects a point.
\sa QwtEventPattern::MousePatternCode, QwtEventPattern::KeyPatternCode
*/
class QWT_EXPORT QwtPickerClickPointMachine: public QwtPickerMachine
{
public:
virtual CommandList transition(
const QwtEventPattern &, const QEvent *);
};
/*!
\brief A state machine for point selections
Pressing QwtEventPattern::MouseSelect1 or QwtEventPattern::KeySelect1
starts the selection, releasing QwtEventPattern::MouseSelect1 or
a second press of QwtEventPattern::KeySelect1 terminates it.
*/
class QWT_EXPORT QwtPickerDragPointMachine: public QwtPickerMachine
{
public:
virtual CommandList transition(
const QwtEventPattern &, const QEvent *);
};
/*!
\brief A state machine for rectangle selections
Pressing QwtEventPattern::MouseSelect1 starts
the selection, releasing it selects the first point. Pressing it
again selects the second point and terminates the selection.
Pressing QwtEventPattern::KeySelect1 also starts the
selection, a second press selects the first point. A third one selects
the second point and terminates the selection.
\sa QwtEventPattern::MousePatternCode, QwtEventPattern::KeyPatternCode
*/
class QWT_EXPORT QwtPickerClickRectMachine: public QwtPickerMachine
{
public:
virtual CommandList transition(
const QwtEventPattern &, const QEvent *);
};
/*!
\brief A state machine for rectangle selections
Pressing QwtEventPattern::MouseSelect1 selects
the first point, releasing it the second point.
Pressing QwtEventPattern::KeySelect1 also selects the
first point, a second press selects the second point and terminates
the selection.
\sa QwtEventPattern::MousePatternCode, QwtEventPattern::KeyPatternCode
*/
class QWT_EXPORT QwtPickerDragRectMachine: public QwtPickerMachine
{
public:
virtual CommandList transition(
const QwtEventPattern &, const QEvent *);
};
/*!
\brief A state machine for polygon selections
Pressing QwtEventPattern::MouseSelect1 or QwtEventPattern::KeySelect1
starts the selection and selects the first point, or appends a point.
Pressing QwtEventPattern::MouseSelect2 or QwtEventPattern::KeySelect2
appends the last point and terminates the selection.
\sa QwtEventPattern::MousePatternCode, QwtEventPattern::KeyPatternCode
*/
class QWT_EXPORT QwtPickerPolygonMachine: public QwtPickerMachine
{
public:
virtual CommandList transition(
const QwtEventPattern &, const QEvent *);
};
#endif
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