1 | /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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2 | * Qwt Widget Library
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3 | * Copyright (C) 1997 Josef Wilgen
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4 | * Copyright (C) 2002 Uwe Rathmann
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5 | *
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6 | * This library is free software; you can redistribute it and/or
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7 | * modify it under the terms of the Qwt License, Version 1.0
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8 | *****************************************************************************/
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9 |
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10 | #ifndef QWT_EVENT_PATTERN
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11 | #define QWT_EVENT_PATTERN 1
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12 |
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13 | #include <qnamespace.h>
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14 | #include "qwt_array.h"
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15 |
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16 | class QMouseEvent;
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17 | class QKeyEvent;
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18 |
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19 | /*!
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20 | \brief A collection of event patterns
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21 |
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22 | QwtEventPattern introduces an level of indirection for mouse and
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23 | keyboard inputs. Those are represented by symbolic names, so
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24 | the application code can be configured by individual mappings.
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25 |
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26 | \sa QwtPicker, QwtPickerMachine, QwtPlotZoomer
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27 | */
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28 | class QWT_EXPORT QwtEventPattern
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29 | {
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30 | public:
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31 | /*!
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32 | \brief Symbolic mouse input codes
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33 |
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34 | The default initialization for 3 button mice is:
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35 | - MouseSelect1\n
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36 | Qt::LeftButton
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37 | - MouseSelect2\n
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38 | Qt::RightButton
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39 | - MouseSelect3\n
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40 | Qt::MidButton
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41 | - MouseSelect4\n
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42 | Qt::LeftButton + Qt::ShiftButton
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43 | - MouseSelect5\n
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44 | Qt::RightButton + Qt::ShiftButton
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45 | - MouseSelect6\n
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46 | Qt::MidButton + Qt::ShiftButton
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47 |
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48 | The default initialization for 2 button mice is:
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49 | - MouseSelect1\n
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50 | Qt::LeftButton
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51 | - MouseSelect2\n
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52 | Qt::RightButton
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53 | - MouseSelect3\n
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54 | Qt::LeftButton + Qt::AltButton
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55 | - MouseSelect4\n
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56 | Qt::LeftButton + Qt::ShiftButton
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57 | - MouseSelect5\n
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58 | Qt::RightButton + Qt::ShiftButton
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59 | - MouseSelect6\n
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60 | Qt::LeftButton + Qt::AltButton + Qt::ShiftButton
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61 |
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62 | The default initialization for 1 button mice is:
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63 | - MouseSelect1\n
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64 | Qt::LeftButton
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65 | - MouseSelect2\n
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66 | Qt::LeftButton + Qt::ControlButton
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67 | - MouseSelect3\n
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68 | Qt::LeftButton + Qt::AltButton
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69 | - MouseSelect4\n
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70 | Qt::LeftButton + Qt::ShiftButton
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71 | - MouseSelect5\n
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72 | Qt::LeftButton + Qt::ControlButton + Qt::ShiftButton
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73 | - MouseSelect6\n
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74 | Qt::LeftButton + Qt::AltButton + Qt::ShiftButton
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75 |
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76 | \sa initMousePattern()
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77 | */
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78 |
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79 | enum MousePatternCode
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80 | {
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81 | MouseSelect1,
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82 | MouseSelect2,
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83 | MouseSelect3,
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84 | MouseSelect4,
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85 | MouseSelect5,
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86 | MouseSelect6,
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87 |
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88 | MousePatternCount
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89 | };
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90 |
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91 | /*!
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92 | \brief Symbolic keyboard input codes
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93 |
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94 | Default initialization:
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95 | - KeySelect1\n
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96 | Qt::Key_Return
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97 | - KeySelect2\n
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98 | Qt::Key_Space
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99 | - KeyAbort\n
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100 | Qt::Key_Escape
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101 |
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102 | - KeyLeft\n
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103 | Qt::Key_Left
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104 | - KeyRight\n
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105 | Qt::Key_Right
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106 | - KeyUp\n
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107 | Qt::Key_Up
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108 | - KeyDown\n
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109 | Qt::Key_Down
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110 |
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111 | - KeyUndo\n
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112 | Qt::Key_Minus
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113 | - KeyRedo\n
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114 | Qt::Key_Plus
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115 | - KeyHome\n
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116 | Qt::Key_Escape
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117 | */
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118 | enum KeyPatternCode
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119 | {
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120 | KeySelect1,
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121 | KeySelect2,
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122 | KeyAbort,
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123 |
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124 | KeyLeft,
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125 | KeyRight,
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126 | KeyUp,
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127 | KeyDown,
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128 |
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129 | KeyRedo,
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130 | KeyUndo,
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131 | KeyHome,
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132 |
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133 | KeyPatternCount
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134 | };
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135 |
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136 | //! A pattern for mouse events
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137 | class MousePattern
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138 | {
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139 | public:
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140 | MousePattern(int btn = Qt::NoButton, int st = Qt::NoButton)
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141 | {
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142 | button = btn;
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143 | state = st;
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144 | }
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145 |
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146 | int button;
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147 | int state;
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148 | };
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149 |
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150 | //! A pattern for key events
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151 | class KeyPattern
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152 | {
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153 | public:
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154 | KeyPattern(int k = 0, int st = Qt::NoButton)
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155 | {
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156 | key = k;
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157 | state = st;
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158 | }
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159 |
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160 | int key;
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161 | int state;
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162 | };
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163 |
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164 | QwtEventPattern();
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165 | virtual ~QwtEventPattern();
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166 |
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167 | void initMousePattern(int numButtons);
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168 | void initKeyPattern();
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169 |
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170 | void setMousePattern(uint pattern, int button, int state = Qt::NoButton);
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171 | void setKeyPattern(uint pattern, int key, int state = Qt::NoButton);
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172 |
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173 | void setMousePattern(const QwtArray<MousePattern> &);
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174 | void setKeyPattern(const QwtArray<KeyPattern> &);
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175 |
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176 | const QwtArray<MousePattern> &mousePattern() const;
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177 | const QwtArray<KeyPattern> &keyPattern() const;
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178 |
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179 | QwtArray<MousePattern> &mousePattern();
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180 | QwtArray<KeyPattern> &keyPattern();
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181 |
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182 | bool mouseMatch(uint pattern, const QMouseEvent *) const;
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183 | bool keyMatch(uint pattern, const QKeyEvent *) const;
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184 |
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185 | protected:
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186 | virtual bool mouseMatch(const MousePattern &, const QMouseEvent *) const;
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187 | virtual bool keyMatch(const KeyPattern &, const QKeyEvent *) const;
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188 |
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189 | private:
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190 |
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191 | #if defined(_MSC_VER)
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192 | #pragma warning(push)
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193 | #pragma warning(disable: 4251)
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194 | #endif
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195 | QwtArray<MousePattern> d_mousePattern;
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196 | QwtArray<KeyPattern> d_keyPattern;
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197 | #if defined(_MSC_VER)
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198 | #pragma warning(pop)
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199 | #endif
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200 | };
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201 |
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202 | inline bool operator==(QwtEventPattern::MousePattern b1,
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203 | QwtEventPattern::MousePattern b2)
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204 | {
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205 | return b1.button == b2.button && b1.state == b2.state;
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206 | }
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207 |
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208 | inline bool operator==(QwtEventPattern::KeyPattern b1,
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209 | QwtEventPattern::KeyPattern b2)
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210 | {
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211 | return b1.key == b2.key && b1.state == b2.state;
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212 | }
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213 |
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214 | #if defined(QWT_TEMPLATEDLL)
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215 | // MOC_SKIP_BEGIN
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216 | template class QWT_EXPORT QwtArray<QwtEventPattern::MousePattern>;
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217 | template class QWT_EXPORT QwtArray<QwtEventPattern::KeyPattern>;
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218 | // MOC_SKIP_END
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219 | #endif
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220 |
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221 | #endif
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