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 "qwt_global.h"
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14 | #include <qnamespace.h>
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15 | #include <qvector.h>
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16 |
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17 | class QMouseEvent;
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18 | class QKeyEvent;
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19 |
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20 | /*!
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21 | \brief A collection of event patterns
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22 |
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23 | QwtEventPattern introduces an level of indirection for mouse and
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24 | keyboard inputs. Those are represented by symbolic names, so
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25 | the application code can be configured by individual mappings.
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26 |
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27 | \sa QwtPicker, QwtPickerMachine, QwtPlotZoomer
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28 | */
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29 | class QWT_EXPORT QwtEventPattern
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30 | {
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31 | public:
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32 | /*!
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33 | \brief Symbolic mouse input codes
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34 |
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35 | QwtEventPattern implements 3 different settings for
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36 | mice with 1, 2, or 3 buttons that can be activated
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37 | using initMousePattern(). The default setting is for
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38 | 3 button mice.
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39 |
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40 | Individual settings can be configured using setMousePattern().
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41 |
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42 | \sa initMousePattern(), setMousePattern(), setKeyPattern()
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43 | */
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44 | enum MousePatternCode
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45 | {
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46 | /*!
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47 | The default setting for 1, 2 and 3 button mice is:
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48 |
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49 | - Qt::LeftButton
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50 | - Qt::LeftButton
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51 | - Qt::LeftButton
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52 | */
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53 | MouseSelect1,
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54 |
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55 | /*!
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56 | The default setting for 1, 2 and 3 button mice is:
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57 |
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58 | - Qt::LeftButton + Qt::ControlModifier
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59 | - Qt::RightButton
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60 | - Qt::RightButton
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61 | */
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62 | MouseSelect2,
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63 |
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64 | /*!
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65 | The default setting for 1, 2 and 3 button mice is:
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66 |
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67 | - Qt::LeftButton + Qt::AltModifier
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68 | - Qt::LeftButton + Qt::AltModifier
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69 | - Qt::MidButton
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70 | */
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71 | MouseSelect3,
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72 |
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73 | /*!
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74 | The default setting for 1, 2 and 3 button mice is:
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75 |
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76 | - Qt::LeftButton + Qt::ShiftModifier
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77 | - Qt::LeftButton + Qt::ShiftModifier
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78 | - Qt::LeftButton + Qt::ShiftModifier
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79 | */
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80 | MouseSelect4,
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81 |
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82 | /*!
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83 | The default setting for 1, 2 and 3 button mice is:
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84 |
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85 | - Qt::LeftButton + Qt::ControlButton | Qt::ShiftModifier
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86 | - Qt::RightButton + Qt::ShiftModifier
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87 | - Qt::RightButton + Qt::ShiftModifier
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88 | */
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89 | MouseSelect5,
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90 |
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91 | /*!
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92 | The default setting for 1, 2 and 3 button mice is:
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93 |
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94 | - Qt::LeftButton + Qt::AltModifier + Qt::ShiftModifier
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95 | - Qt::LeftButton + Qt::AltModifier | Qt::ShiftModifier
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96 | - Qt::MidButton + Qt::ShiftModifier
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97 | */
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98 | MouseSelect6,
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99 |
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100 | //! Number of mouse patterns
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101 | MousePatternCount
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102 | };
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103 |
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104 | /*!
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105 | \brief Symbolic keyboard input codes
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106 |
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107 | Individual settings can be configured using setKeyPattern()
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108 |
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109 | \sa setKeyPattern(), setMousePattern()
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110 | */
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111 | enum KeyPatternCode
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112 | {
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113 | //! Qt::Key_Return
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114 | KeySelect1,
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115 |
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116 | //! Qt::Key_Space
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117 | KeySelect2,
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118 |
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119 | //! Qt::Key_Escape
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120 | KeyAbort,
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121 |
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122 | //! Qt::Key_Left
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123 | KeyLeft,
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124 |
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125 | //! Qt::Key_Right
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126 | KeyRight,
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127 |
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128 | //! Qt::Key_Up
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129 | KeyUp,
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130 |
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131 | //! Qt::Key_Down
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132 | KeyDown,
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133 |
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134 | //! Qt::Key_Plus
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135 | KeyRedo,
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136 |
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137 | //! Qt::Key_Minus
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138 | KeyUndo,
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139 |
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140 | //! Qt::Key_Escape
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141 | KeyHome,
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142 |
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143 | //! Number of key patterns
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144 | KeyPatternCount
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145 | };
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146 |
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147 | //! A pattern for mouse events
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148 | class MousePattern
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149 | {
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150 | public:
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151 | //! Constructor
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152 | MousePattern( Qt::MouseButton btn = Qt::NoButton,
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153 | Qt::KeyboardModifiers modifierCodes = Qt::NoModifier ):
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154 | button( btn ),
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155 | modifiers( modifierCodes )
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156 | {
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157 | }
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158 |
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159 | //! Button
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160 | Qt::MouseButton button;
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161 |
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162 | //! Keyboard modifier
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163 | Qt::KeyboardModifiers modifiers;
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164 | };
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165 |
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166 | //! A pattern for key events
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167 | class KeyPattern
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168 | {
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169 | public:
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170 | //! Constructor
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171 | KeyPattern( int keyCode = Qt::Key_unknown,
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172 | Qt::KeyboardModifiers modifierCodes = Qt::NoModifier ):
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173 | key( keyCode ),
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174 | modifiers( modifierCodes )
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175 | {
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176 | }
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177 |
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178 | //! Key code
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179 | int key;
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180 |
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181 | //! Modifiers
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182 | Qt::KeyboardModifiers modifiers;
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183 | };
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184 |
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185 | QwtEventPattern();
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186 | virtual ~QwtEventPattern();
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187 |
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188 | void initMousePattern( int numButtons );
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189 | void initKeyPattern();
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190 |
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191 | void setMousePattern( MousePatternCode, Qt::MouseButton button,
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192 | Qt::KeyboardModifiers = Qt::NoModifier );
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193 |
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194 | void setKeyPattern( KeyPatternCode, int keyCode,
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195 | Qt::KeyboardModifiers modifierCodes = Qt::NoModifier );
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196 |
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197 | void setMousePattern( const QVector<MousePattern> & );
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198 | void setKeyPattern( const QVector<KeyPattern> & );
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199 |
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200 | const QVector<MousePattern> &mousePattern() const;
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201 | const QVector<KeyPattern> &keyPattern() const;
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202 |
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203 | QVector<MousePattern> &mousePattern();
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204 | QVector<KeyPattern> &keyPattern();
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205 |
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206 | bool mouseMatch( MousePatternCode, const QMouseEvent * ) const;
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207 | bool keyMatch( KeyPatternCode, const QKeyEvent * ) const;
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208 |
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209 | protected:
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210 | virtual bool mouseMatch( const MousePattern &, const QMouseEvent * ) const;
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211 | virtual bool keyMatch( const KeyPattern &, const QKeyEvent * ) const;
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212 |
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213 | private:
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214 |
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215 | #if defined(_MSC_VER)
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216 | #pragma warning(push)
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217 | #pragma warning(disable: 4251)
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218 | #endif
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219 | QVector<MousePattern> d_mousePattern;
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220 | QVector<KeyPattern> d_keyPattern;
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221 | #if defined(_MSC_VER)
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222 | #pragma warning(pop)
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223 | #endif
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224 | };
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225 |
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226 | //! Compare operator
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227 | inline bool operator==( QwtEventPattern::MousePattern b1,
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228 | QwtEventPattern::MousePattern b2 )
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229 | {
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230 | return b1.button == b2.button && b1.modifiers == b2.modifiers;
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231 | }
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232 |
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233 | //! Compare operator
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234 | inline bool operator==( QwtEventPattern::KeyPattern b1,
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235 | QwtEventPattern::KeyPattern b2 )
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236 | {
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237 | return b1.key == b2.key && b1.modifiers == b2.modifiers;
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238 | }
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239 |
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240 | #endif
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