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1 /* |
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2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 #include "qstmstatemachine.h" |
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19 #include "qstmstateengine.h" |
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20 #include "qstmuievent_if.h" |
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21 #include "qstmcallbacktimer.h" |
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22 #include "qstmstateengineconfig.h" |
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23 |
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24 #include "qstmfilelogger.h" |
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25 #include "qstmutils.h" |
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26 #include <QtGui> |
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27 |
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28 #ifdef Q_OS_SYMBIAN |
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29 #include <w32std.h> |
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30 #include <coecntrl.h> |
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31 #endif |
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32 |
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33 #if defined(Q_WS_X11) |
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34 #include <X11/Xlib.h> |
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35 #endif |
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36 |
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37 using namespace qstmUiEventEngine ; |
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38 |
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39 //int pointBufferTimerCB(TAny* prt); |
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40 |
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41 extern const char* stateNames[8] ; |
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42 |
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43 const char* const ttypeNames[] = { // for debugging purposes define the names of the pointer events |
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44 "EButton1Down ", |
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45 "EButton1Up ", |
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46 "EButton2Down ", |
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47 "EButton2Up ", |
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48 "EButton3Down ", |
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49 "EButton3Up ", |
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50 "EDrag ", |
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51 "EMove ", |
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52 "EButtonRepeat ", |
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53 "ESwitchOn ", |
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54 "EOutOfRange ", |
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55 "EEnterCloseProximity ", |
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56 "EExitCloseProximity ", |
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57 "EEnterHighPressure ", |
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58 "EExitHighPressure " |
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59 }; |
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60 |
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61 QStm_StateMachine::QStm_StateMachine() |
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62 { |
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63 m_WasMessageFiltered = false ; |
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64 m_wseventmonitoringenabled = false ; // NB: enabled only if really used by application |
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65 m_loggingenabled = false ; |
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66 m_capacitiveup = false ; |
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67 m_adjustYposition = false ; |
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68 //m_pointBuffer = NULL; |
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69 init(); |
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70 } |
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71 |
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72 QStm_StateMachine::~QStm_StateMachine() |
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73 { |
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74 for (int i = 0; i < KMaxNumberOfPointers; i++) |
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75 { |
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76 delete m_holdTimer[i] ; |
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77 delete m_touchTimer[i] ; |
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78 delete m_suppressTimer[i] ; |
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79 delete m_impl[i] ; |
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80 } |
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81 delete m_config ; |
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82 /* |
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83 if (m_pointBufferTimer && m_pointBufferTimer->IsActive()) |
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84 { |
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85 m_pointBufferTimer->Cancel(); |
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86 } |
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87 delete m_pointBufferTimer; |
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88 m_pointBufferTimer = NULL; |
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89 */ |
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90 } |
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91 |
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92 |
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93 |
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94 void QStm_StateMachine::init() |
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95 { |
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96 m_config = new QStm_StateEngineConfiguration() ; |
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97 |
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98 for (int i = 0; i < KMaxNumberOfPointers; i++) |
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99 { |
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100 m_impl[i] = new QStm_StateEngine(m_config, this, i) ; |
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101 |
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102 m_holdTimer[i] = new QStm_CallbackTimer(this, &qstmUiEventEngine::QStm_StateMachine::handleholdTimer, 0, i, true); |
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103 m_touchTimer[i] = new QStm_CallbackTimer(this, &qstmUiEventEngine::QStm_StateMachine::handletouchTimer, 0, i, true); |
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104 m_suppressTimer[i] = new QStm_CallbackTimer(this, &qstmUiEventEngine::QStm_StateMachine::handlesuppressTimer, 0, i, true); |
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105 /* |
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106 m_holdTimer[i] = new QStm_CallbackTimer(this, SLOT(handleholdTimer(int)), 0, i, true); |
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107 m_touchTimer[i] = new QStm_CallbackTimer(this, SLOT(handletouchTimer(int)), 0, i, true); |
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108 m_suppressTimer[i] = new QStm_CallbackTimer(this, SLOT(handlesuppressTimer(int)), 0, i, true); |
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109 */ |
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110 } |
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111 // m_coeEnv = CCoeEnv::Static(); |
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112 |
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113 m_3mminpixels = QStm_Utils::mm2Pixels(3) ; |
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114 } |
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115 |
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116 |
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117 bool QStm_StateMachine::handleStateEvent(const QStm_PlatformPointerEvent& platPointerEvent) |
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118 { |
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119 int index = pointerIndex(platPointerEvent); |
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120 QStm_StateEngine* engine = m_impl[index]; |
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121 createHwEvent(engine->initEvent(), platPointerEvent, platPointerEvent.m_target, platPointerEvent.m_time) ; |
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122 if (m_loggingenabled) |
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123 { |
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124 LOGARG("handleStateEvent: ptr %d", index) ; |
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125 } |
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126 m_WasMessageFiltered = engine->handleStateEvent() ; |
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127 return m_WasMessageFiltered ; |
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128 } |
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129 |
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130 |
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131 bool QStm_StateMachine::wasLastMessageFiltered(int aPointerNumber) |
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132 { |
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133 return m_impl[aPointerNumber]->wasLastMessageFiltered() ; |
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134 } |
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135 |
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136 |
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137 QRect QStm_StateMachine::getTouchArea(int pointerNumber) |
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138 { |
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139 return m_impl[pointerNumber]->getTouchArea() ; |
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140 } |
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141 |
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142 void QStm_StateMachine::setTouchTimeArea(long fingersize_mm) |
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143 { |
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144 m_config->setTouchTimeArea(fingersize_mm) ; |
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145 } |
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146 |
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147 void QStm_StateMachine::setTouchArea(long fingersize_mm) |
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148 { |
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149 m_config->setTouchArea(fingersize_mm) ; |
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150 } |
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151 |
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152 void QStm_StateMachine::setMoveTolerance(long fingersize_mm) |
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153 { |
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154 m_config->setMoveTolerance(fingersize_mm); |
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155 } |
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156 |
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157 QPoint QStm_StateMachine::getMoveTolerance() |
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158 { |
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159 return m_config->getMoveTolerance(); |
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160 } |
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161 |
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162 |
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163 QStm_AreaShape QStm_StateMachine::getTouchAreaShape() |
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164 { |
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165 return m_config->getTouchAreaShape() ; |
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166 } |
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167 |
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168 |
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169 void QStm_StateMachine::setTouchAreaShape(const QStm_AreaShape aShape) |
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170 { |
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171 m_config->setTouchAreaShape(aShape) ; |
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172 } |
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173 |
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174 |
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175 unsigned int QStm_StateMachine::getTouchTimeout() |
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176 { |
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177 return m_config->getTouchTimeout() ; |
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178 } |
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179 |
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180 |
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181 void QStm_StateMachine::setTouchTimeout(unsigned int aDelay) |
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182 { |
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183 m_config->setTouchTimeout(aDelay) ; |
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184 } |
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185 |
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186 |
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187 QRect QStm_StateMachine::getHoldArea(int pointerNumber) |
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188 { |
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189 return m_impl[pointerNumber]->getHoldArea() ; |
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190 } |
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191 |
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192 |
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193 void QStm_StateMachine::setHoldArea(long fingersize_mm) |
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194 { |
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195 m_config->setHoldArea(fingersize_mm) ; |
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196 } |
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197 |
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198 QStm_AreaShape QStm_StateMachine::getHoldAreaShape() |
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199 { |
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200 return m_config->getHoldAreaShape() ; |
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201 } |
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202 |
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203 void QStm_StateMachine::setHoldAreaShape(const QStm_AreaShape aShape) |
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204 { |
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205 m_config->setHoldAreaShape(aShape) ; |
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206 } |
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207 |
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208 unsigned int QStm_StateMachine::getHoldTimeout() |
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209 { |
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210 return m_config->getHoldTimeout() ; |
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211 } |
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212 |
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213 void QStm_StateMachine::setHoldTimeout(unsigned int a) |
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214 { |
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215 m_config->setHoldTimeout(a) ; |
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216 } |
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217 |
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218 unsigned int QStm_StateMachine::getTouchSuppressTimeout() |
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219 { |
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220 return m_config->getTouchSuppressTimeout() ; |
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221 } |
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222 |
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223 void QStm_StateMachine::setTouchSuppressTimeout(unsigned int a) |
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224 { |
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225 m_config->setTouchSuppressTimeout(a) ; |
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226 } |
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227 |
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228 unsigned int QStm_StateMachine::getMoveSuppressTimeout() |
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229 { |
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230 return m_config->getMoveSuppressTimeout() ; |
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231 } |
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232 |
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233 void QStm_StateMachine::setMoveSuppressTimeout(unsigned int a) |
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234 { |
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235 m_config->setMoveSuppressTimeout(a) ; |
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236 } |
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237 |
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238 bool QStm_StateMachine::addUiEventObserver(QStm_UiEventObserverIf* observer) |
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239 { |
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240 return m_config->addUiEventObserver(observer) ; |
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241 } |
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242 |
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243 |
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244 bool QStm_StateMachine::removeUiEventObserver(QStm_UiEventObserverIf* observer) |
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245 { |
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246 return m_config->removeUiEventObserver(observer) ; |
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247 } |
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248 |
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249 void QStm_StateMachine::enableLogging(bool aEnable) |
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250 { |
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251 m_loggingenabled = aEnable ; |
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252 m_config->enableLogging(aEnable) ; |
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253 } |
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254 |
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255 int QStm_StateMachine::pointerIndex(const QStm_PlatformPointerEvent& platPointerEvent) |
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256 { |
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257 int index = 0; |
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258 /* |
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259 #if defined(ADVANCED_POINTER_EVENTS) |
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260 if (aPointerEvent.IsAdvancedPointerEvent()) |
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261 { |
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262 const TAdvancedPointerEvent* tadvp = aPointerEvent.AdvancedPointerEvent() ; |
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263 index = tadvp->PointerNumber() ; |
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264 } |
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265 #endif |
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266 */ |
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267 index = platPointerEvent.m_pointerNumber; |
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268 return index; |
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269 } |
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270 |
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271 void QStm_StateMachine::createHwEvent(QStm_HwEvent& event, const QStm_PlatformPointerEvent& platPointerEvent, void* target, const QTime& time) |
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272 { |
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273 /* should be set by this moment by CStateEngine with that index in CStateEngine::initEvent() |
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274 aEvent.iPointerNumber = PointerIndex(aPointerEvent); |
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275 */ |
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276 event.m_target = target ; |
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277 event.m_time = time; |
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278 // Change to screen coordinates here while the window is still existing.... |
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279 event.m_position = screenCoordinates(platPointerEvent.m_position, target) ; |
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280 switch (platPointerEvent.m_type) |
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281 { |
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282 case QStm_PlatformPointerEvent::EButton1Down: |
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283 case QStm_PlatformPointerEvent::EButton2Down: |
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284 case QStm_PlatformPointerEvent::EButton3Down: |
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285 { |
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286 event.m_type = qstmUiEventEngine::EDown ; |
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287 break ; |
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288 } |
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289 case QStm_PlatformPointerEvent::EButton1Up: |
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290 case QStm_PlatformPointerEvent::EButton2Up: |
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291 case QStm_PlatformPointerEvent::EButton3Up: |
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292 { |
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293 if (m_capacitiveup) |
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294 { |
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295 event.m_type = qstmUiEventEngine::ECapacitiveUP ; // How could this be checked automatically? |
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296 } |
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297 else |
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298 { |
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299 event.m_type = qstmUiEventEngine::EResistiveUP ; // How could this be checked automatically? |
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300 } |
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301 |
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302 break ; |
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303 } |
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304 case QStm_PlatformPointerEvent::EDrag: |
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305 { |
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306 event.m_type = qstmUiEventEngine::EDrag ; |
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307 break ; |
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308 } |
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309 } |
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310 } |
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311 |
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312 |
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313 void QStm_StateMachine::startholdTimer(int pointerNumber) |
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314 { |
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315 if (!m_holdTimer[pointerNumber]->isActive()) |
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316 { |
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317 m_holdTimer[pointerNumber]->start(); |
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318 } |
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319 } |
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320 |
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321 |
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322 void QStm_StateMachine::handleholdTimer(int pointerNumber) |
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323 { |
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324 QStm_StateEngine* engine = m_impl[pointerNumber]; |
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325 createTimerEvent(engine->initEvent(), qstmUiEventEngine::EHoldTimer) ; |
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326 engine->handleStateEvent() ; |
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327 } |
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328 |
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329 |
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330 void QStm_StateMachine::cancelholdTimer(int pointerNumber) |
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331 { |
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332 m_holdTimer[pointerNumber]->stop(); |
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333 } |
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334 |
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335 |
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336 void QStm_StateMachine::startsuppressTimer(int pointerNumber) |
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337 { |
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338 m_suppressTimer[pointerNumber]->start(); |
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339 } |
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340 |
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341 void QStm_StateMachine::handlesuppressTimer(int pointerNumber) |
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342 { |
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343 QStm_StateEngine* engine = m_impl[pointerNumber]; |
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344 createTimerEvent(engine->initEvent(), qstmUiEventEngine::ESuppressTimer) ; |
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345 engine->handleStateEvent() ; |
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346 } |
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347 |
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348 |
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349 void QStm_StateMachine::cancelsuppressTimer(int pointerNumber) |
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350 { |
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351 m_suppressTimer[pointerNumber]->stop(); |
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352 } |
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353 |
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354 |
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355 void QStm_StateMachine::starttouchTimer(int pointerNumber) |
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356 { |
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357 if (!m_touchTimer[pointerNumber]->isActive()) |
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358 { |
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359 m_touchTimer[pointerNumber]->start(); |
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360 } |
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361 } |
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362 |
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363 void QStm_StateMachine::handletouchTimer(int pointerNumber) |
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364 { |
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365 QStm_StateEngine* engine = m_impl[pointerNumber]; |
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366 createTimerEvent(engine->initEvent(), qstmUiEventEngine::ETouchTimer) ; |
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367 engine->handleStateEvent() ; |
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368 } |
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369 |
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370 void QStm_StateMachine::canceltouchTimer(int pointerNumber) |
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371 { |
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372 if (m_touchTimer[pointerNumber]->isActive()) |
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373 { |
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374 m_touchTimer[pointerNumber]->stop(); |
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375 } |
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376 } |
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377 |
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378 void QStm_StateMachine::createTimerEvent(QStm_HwEvent& event, QStm_StateMachineEvent eventCode) |
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379 { |
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380 event.m_type = eventCode ; |
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381 // m_hwe.iPosition = TPos(0, 0) ; // should we just leave the previous pos |
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382 event.m_time = QTime::currentTime() ; |
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383 } |
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384 |
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385 |
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386 bool QStm_StateMachine::handleX11PlatformEvent(const XEvent* platEvent) |
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387 { |
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388 bool isPointerEvent = false; |
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389 #if defined(Q_WS_X11) |
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390 QStm_PlatformPointerEvent platPointerEvent; |
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391 switch (platEvent->type) { |
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392 case ButtonPress: |
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393 { |
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394 switch (platEvent->xbutton.button) { |
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395 case Button1: |
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396 { |
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397 platPointerEvent.m_type = QStm_PlatformPointerEvent::EButton1Down; |
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398 break; |
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399 } |
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400 case Button2: |
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401 { |
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402 platPointerEvent.m_type = QStm_PlatformPointerEvent::EButton2Down; |
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403 break; |
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404 } |
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405 case Button3: |
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406 { |
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407 platPointerEvent.m_type = QStm_PlatformPointerEvent::EButton3Down; |
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408 break; |
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409 } |
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410 } |
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411 isPointerEvent = true; |
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412 break; |
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413 } |
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414 case ButtonRelease: |
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415 { |
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416 switch (platEvent->xbutton.button) { |
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417 case Button1: |
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418 { |
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419 platPointerEvent.m_type = QStm_PlatformPointerEvent::EButton1Up; |
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420 break; |
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421 } |
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422 case Button2: |
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423 { |
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424 platPointerEvent.m_type = QStm_PlatformPointerEvent::EButton2Up; |
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425 break; |
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426 } |
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427 case Button3: |
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428 { |
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429 platPointerEvent.m_type = QStm_PlatformPointerEvent::EButton3Up; |
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430 break; |
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431 } |
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432 } |
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433 isPointerEvent = true; |
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434 break; |
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435 } |
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436 case MotionNotify: |
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437 { |
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438 platPointerEvent.m_type = QStm_PlatformPointerEvent::EMove; |
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439 isPointerEvent = true; |
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440 break; |
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441 } |
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442 } |
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443 |
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444 if (isPointerEvent) { |
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445 QWidget* widget = QWidget::find((WId)platEvent->xany.window); |
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446 |
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447 platPointerEvent.m_target = widget; |
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448 int mds = platEvent->xbutton.time; |
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449 int msec = mds % 1000; |
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450 int sec = (mds / 1000) % 60; |
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451 int hr = mds / (1000 * 3600); |
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452 int min = (mds % (1000 * 3600)) / 60000; |
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453 |
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454 platPointerEvent.m_time = QTime(hr, min, sec, msec); |
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455 platPointerEvent.m_pointerNumber = 0; |
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456 platPointerEvent.m_position = QPoint(platEvent->xbutton.x, |
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457 platEvent->xbutton.y); |
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458 |
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459 handleStateEvent(platPointerEvent); |
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460 } |
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461 #endif // Q_WS_X11 |
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462 return isPointerEvent; |
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463 } |
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464 |
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465 bool QStm_StateMachine::handleSymbianPlatformEvent(const QSymbianEvent* platEvent) |
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466 { |
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467 bool ret = false; |
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468 #ifdef Q_OS_SYMBIAN |
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469 const TWsEvent* wse = platEvent->windowServerEvent(); |
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470 |
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471 if (wse) { |
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472 CCoeControl* ctrl = REINTERPRET_CAST(CCoeControl*, wse->Handle()); |
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473 |
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474 QStm_PlatformPointerEvent platPointerEvent; |
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475 |
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476 if (wse->Type() == EEventPointer) { |
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477 QWidget* widget = QWidget::find(ctrl); |
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478 ret = (widget != NULL); |
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479 TPointerEvent* tpe = wse->Pointer(); |
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480 // For Symbian it's one-to-one correspondence |
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481 platPointerEvent.m_type = static_cast<QStm_PlatformPointerEvent::PEType>(tpe->iType); |
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482 platPointerEvent.m_modifiers = tpe->iModifiers; |
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483 platPointerEvent.m_position = QPoint(tpe->iPosition.iX, tpe->iPosition.iY); |
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484 platPointerEvent.m_pointerNumber = 0; |
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485 |
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486 #if defined(ADVANCED_POINTER_EVENTS) |
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487 if (tpe->IsAdvancedPointerEvent()) { |
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488 const TAdvancedPointerEvent* tadvp = tpe->AdvancedPointerEvent() ; |
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489 platPointerEvent.m_pointerNumber = tadvp->PointerNumber() ; |
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490 } |
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491 #endif |
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492 platPointerEvent.m_target = widget; |
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493 int h = wse->Time().DateTime().Hour(); |
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494 int m = wse->Time().DateTime().Minute(); |
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495 int s = wse->Time().DateTime().Second(); |
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496 int ms = wse->Time().DateTime().MicroSecond() / 1000; |
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497 QTime time(h, m, s, ms); |
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498 |
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499 platPointerEvent.m_time = time; |
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500 handleStateEvent(platPointerEvent); |
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501 } |
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502 } |
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503 #endif |
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504 return ret; |
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505 } |
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506 |
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507 |
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508 |
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509 |
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510 void QStm_StateMachine::startTouchTimer(int delay, int pointerNumber) |
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511 { |
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512 m_touchTimer[pointerNumber]->setDelay(delay) ; |
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513 starttouchTimer(pointerNumber) ; |
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514 } |
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515 |
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516 void QStm_StateMachine::cancelTouchTimer(int pointerNumber) |
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517 { |
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518 canceltouchTimer(pointerNumber) ; |
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519 } |
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520 |
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521 void QStm_StateMachine::startHoldTimer(int delay, int pointerNumber) |
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522 { |
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523 m_holdTimer[pointerNumber]->setDelay(delay) ; |
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524 startholdTimer(pointerNumber) ; |
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525 } |
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526 |
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527 void QStm_StateMachine::cancelHoldTimer(int pointerNumber) |
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528 { |
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529 cancelholdTimer(pointerNumber) ; |
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530 } |
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531 |
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532 void QStm_StateMachine::startSuppressTimer(int delay, int pointerNumber) |
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533 { |
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534 m_suppressTimer[pointerNumber]->setDelay(delay) ; |
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535 startsuppressTimer(pointerNumber) ; |
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536 } |
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537 |
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538 void QStm_StateMachine::cancelSuppressTimer(int pointerNumber) |
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539 { |
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540 cancelsuppressTimer(pointerNumber) ; |
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541 } |
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542 |
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543 |
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544 QPoint QStm_StateMachine::screenCoordinates(const QPoint& pos, void* gestureTarget) |
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545 { |
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546 QPoint newPos = pos ; |
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547 QWidget* widget = static_cast<QWidget*>(gestureTarget); |
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548 |
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549 if (!widget) { |
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550 widget = QApplication::activeModalWidget(); |
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551 } |
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552 |
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553 if (!widget) { |
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554 widget = QApplication::activePopupWidget(); |
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555 } |
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556 |
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557 if (widget) { |
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558 if (widget->isWindow()) { |
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559 QPoint tp = widget->mapToGlobal(QPoint(0, 0)) ; |
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560 newPos += tp ; |
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561 if (m_adjustYposition) { |
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562 QSize sz = widget->size() ; |
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563 |
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564 // If we are running in capacitive touch device, |
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565 // adjust the point up about 3 mm unless we are |
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566 // near top or bottom of the window |
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567 |
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568 // Y position in the window |
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569 int wY = newPos.y() - tp.y(); |
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570 int edge = 2*m_3mminpixels; |
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571 |
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572 if (wY >= 0 && wY <= (edge - 1)) { |
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573 // close to the top we adjust suitably so that immediately at the top adjust is 0 |
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574 int adjust = wY / 2 ; |
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575 newPos.setY(newPos.y() - adjust) ; |
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576 if (m_loggingenabled) { |
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577 LOGARG("adjustment: nY %d tY %d [3mm: %d adj: %d]", newPos.y(), tp.y(), m_3mminpixels, adjust) ; |
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578 } |
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579 } |
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580 else if (wY >= edge && wY <= (sz.height() - edge)) { |
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581 int from = newPos.y() ; |
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582 newPos.setY(newPos.y() - m_3mminpixels) ; |
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583 if (m_loggingenabled) { |
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584 LOGARG("adjustment: %d to %d [3mm: %d middle]", from, newPos.y(), m_3mminpixels) ; |
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585 } |
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586 } |
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587 else { |
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588 // similarly at the bottom we adjust less the closer we get to the edge |
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589 int adjust = (sz.height() - wY) / 2 ; |
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590 newPos.setY(newPos.y() - adjust) ; |
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591 if (m_loggingenabled) { |
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592 LOGARG("adjustment: nY %d tY %d sH %d [3mm: %d adj: %d]", |
|
593 newPos.y(), tp.y(), sz.height(), m_3mminpixels, adjust) ; |
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594 } |
|
595 |
|
596 } |
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597 } |
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598 } |
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599 else { |
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600 // if the target does not own a window how can we adjust to the screen? |
|
601 } |
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602 } |
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603 return newPos ; |
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604 } |
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605 |
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606 void QStm_StateMachine::enableCapacitiveUp(bool enable) |
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607 { |
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608 m_capacitiveup = enable ; |
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609 } |
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610 |
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611 void QStm_StateMachine::enableYadjustment(bool enable) |
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612 { |
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613 m_adjustYposition = enable ; |
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614 } |
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615 |
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616 int QStm_StateMachine::getNumberOfPointers() |
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617 { |
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618 return KMaxNumberOfPointers ; |
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619 } |
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620 |
|
621 |