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1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // Pointer functions |
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15 // |
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16 // |
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17 |
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18 #include <e32std.h> |
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19 #include <e32hal.h> |
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20 #include "W32CLICK.H" |
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21 #include "pointer.h" |
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22 #include "rootwin.h" |
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23 #include "windowgroup.h" |
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24 #include "KEYCLICK.H" |
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25 #include "ScrDev.H" |
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26 #include "EVENT.H" |
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27 #include "panics.h" |
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28 #include "wstop.h" |
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29 #include "inifile.h" |
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30 #include <hal.h> |
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31 #include "advancedpointereventhelper.h" |
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32 #include "graphics/pointereventdata.h" |
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33 |
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34 TTimeIntervalMicroSeconds32 TWsPointer::iDoubleClickMaxInterval; |
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35 TInt TWsPointer::iDoubleClickMaxDistance; |
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36 CWsPointerCursor* TWsPointer::iCursorSprite; |
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37 TPointerCursorMode TWsPointer::iPointerCursorMode=EPointerCursorNormal; |
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38 TXYInputType TWsPointer::iXyInputType; |
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39 TBool TWsPointer::iTimerQueued; |
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40 TBool TWsPointer::iUpdateRequired; |
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41 CPeriodic* TWsPointer::iPeriodicTimer; |
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42 CWsRootWindow* TWsPointer::iRootWindow; |
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43 TInt TWsPointer::iMaxPointers; |
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44 TBool TWsPointer::iIs3DPointer; |
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45 RArray<TWsPointer> TWsPointer::iPointers; |
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46 TInt TWsPointer::iPrimaryPointer = TAdvancedPointerEvent::EDefaultPointerNumber; |
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47 TInt TWsPointer::iPreviousPrimaryPointer; |
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48 TInt TWsPointer::iEnterCloseProximityThreshold; |
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49 TInt TWsPointer::iExitCloseProximityThreshold; |
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50 TInt TWsPointer::iEnterHighPressureThreshold; |
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51 TInt TWsPointer::iExitHighPressureThreshold; |
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52 TBool CWsPointerBuffer::iSignalled=EFalse; |
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53 CWsPointerBuffer* CWsPointerBuffer::iCurrentBuffer=NULL; |
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54 CCirBuf<TPoint>* CWsPointerBuffer::iPointerBuffer=NULL; |
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55 TSglQue<CWsPointerBuffer> CWsPointerBuffer::iList(_FOFF(CWsPointerBuffer,iQue)); |
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56 TInt TWsPointer::iYOffset; |
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57 |
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58 static _LIT_SECURITY_POLICY_C1(KSecurityPolicy_SwEvent,ECapabilitySwEvent); |
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59 |
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60 void TWsPointer::InitStaticsL() |
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61 { |
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62 //This iYOffset setting is specific for capacitive touch screens, where user's finger is the pointer device. |
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63 //This is typically used so that the pointer event location is more inline with where the user perceives their |
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64 //finger to be on the screen (for example, due to refraction and the relatively large touch area of a finger). |
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65 iYOffset = 0; |
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66 _LIT( KWSERVIniFileVarYShifting, "YSHIFTING"); |
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67 TBool fetchingSucceeded = WsIniFile->FindVar(KWSERVIniFileVarYShifting, iYOffset); |
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68 WS_ASSERT_ALWAYS(iYOffset>=0, EWsPanicInvalidPointerOffset); |
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69 if ( !fetchingSucceeded ) |
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70 { |
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71 iYOffset = 0; |
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72 } |
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73 |
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74 iRootWindow = CWsTop::Screen()->RootWindow(); |
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75 |
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76 TMachineInfoV1Buf machineInfo; |
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77 UserHal::MachineInfo(machineInfo); |
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78 iXyInputType=machineInfo().iXYInputType; |
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79 |
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80 // Read EPointerMaxPointers from HAL and check if reported value is consistent |
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81 // with iXyInputType. |
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82 // Even if HAL reports that device doesn't support any pointer, WSERV |
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83 // always has to support at least one pointer for compatibility reasons |
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84 // and for keeping state of pointer cursor. |
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85 if(HAL::Get(HALData::EPointerMaxPointers,iMaxPointers)!=KErrNone) |
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86 { |
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87 iMaxPointers = 1; |
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88 } |
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89 else |
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90 { |
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91 WS_ASSERT_ALWAYS(iMaxPointers >= 0 && iMaxPointers <= TAdvancedPointerEvent::EMaximumWServNumberOfPointers, |
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92 EWsPanicMaxPointersOutOfRange); |
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93 WS_ASSERT_ALWAYS(( XyInput() && iMaxPointers > 0) || (!XyInput() && iMaxPointers == 0), |
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94 EWsPanicMaxPointersInconsistent); |
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95 if (iMaxPointers == 0) |
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96 { |
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97 iMaxPointers = 1; |
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98 } |
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99 } |
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100 |
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101 // Does device support Z coordinate of the pointers? |
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102 if(HAL::Get(HALData::EPointer3D,iIs3DPointer)!=KErrNone) |
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103 { |
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104 iIs3DPointer=EFalse; // No API, then no 3D pointers |
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105 } |
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106 WS_ASSERT_ALWAYS(!iIs3DPointer || XyInput(), EWsPanicPointer3DInconsistent); |
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107 |
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108 // Initialize thresholds for EEnterCloseProximity, EExitCloseProximity, |
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109 // EEnterHighPressure and EExitHightPressure events. |
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110 if(HAL::Get(HALData::EPointer3DEnterCloseProximityThreshold, |
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111 iEnterCloseProximityThreshold) != KErrNone) |
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112 { |
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113 iEnterCloseProximityThreshold = KMaxTInt; |
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114 } |
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115 if(HAL::Get(HALData::EPointer3DExitCloseProximityThreshold, |
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116 iExitCloseProximityThreshold) != KErrNone) |
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117 { |
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118 iExitCloseProximityThreshold = KMinTInt; |
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119 } |
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120 if(HAL::Get(HALData::EPointer3DEnterHighPressureThreshold, |
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121 iEnterHighPressureThreshold) != KErrNone) |
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122 { |
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123 iEnterHighPressureThreshold = KMaxTInt; |
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124 } |
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125 if(HAL::Get(HALData::EPointer3DExitHighPressureThreshold, |
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126 iExitHighPressureThreshold) != KErrNone) |
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127 { |
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128 iExitHighPressureThreshold = KMinTInt; |
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129 } |
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130 |
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131 iPointers = RArray<TWsPointer>(iMaxPointers); |
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132 TWsPointer emptyPointer; |
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133 emptyPointer.iRepeatTimer = NULL; |
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134 emptyPointer.Clear(); |
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135 for (TInt ii = 0; ii < iMaxPointers; ii++) |
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136 { |
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137 emptyPointer.iNumber = ii; |
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138 User::LeaveIfError(iPointers.Append(emptyPointer)); |
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139 RepeatTimer(ii) = CWsPointerTimer::NewL(iPointers[ii]); |
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140 } |
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141 |
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142 iPeriodicTimer=CPeriodic::NewL(EPointerCursorPriority); |
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143 } |
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144 |
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145 void TWsPointer::Clear() |
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146 { |
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147 iState = EPointerStateOutOfRange; |
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148 iPos.iX = 0; |
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149 iPos.iY = 0; |
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150 iPressureProximity = 0; |
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151 iCurrentWindow=MovesAvailable() ? iRootWindow : NULL; |
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152 iActualWinPointerIsOver = NULL; |
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153 iGrabWindow = NULL; |
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154 iLastUnmatchedDown1 = NULL; |
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155 iLastUnmatchedDown2 = NULL; |
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156 iLastUnmatchedDown3 = NULL; |
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157 iLastUnmatchedEnterHighPressure = NULL; |
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158 iPrevClickWindow = NULL; |
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159 iInCloseProximity = EFalse; |
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160 iInHighPressure = EFalse; |
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161 CancelPointerRepeatEventRequest(); |
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162 } |
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163 |
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164 /** |
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165 Turns off pointer cursor, deletes permenently pointer cursor update timer and pointer event repeat timer. |
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166 */ |
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167 void TWsPointer::Stop() |
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168 { |
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169 SetPointerCursorMode(EPointerCursorNone); |
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170 UpdatePointerCursor(); |
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171 delete iPeriodicTimer; |
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172 } |
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173 |
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174 void TWsPointer::DeleteStatics() |
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175 { |
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176 for (TInt ii = 0; ii < iMaxPointers; ii++) |
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177 { |
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178 delete RepeatTimer(ii); |
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179 } |
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180 iPointers.Close(); |
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181 } |
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182 |
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183 void TWsPointer::SetPointerCursorPos(TPoint aPos) |
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184 { |
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185 RestrictPos(aPos,EFalse); |
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186 iPointers[iPrimaryPointer].iPos=aPos; |
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187 iPointers[iPrimaryPointer].ReLogCurrentWindow(); |
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188 UpdatePointerCursor(); |
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189 } |
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190 |
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191 void TWsPointer::SendEnterExitEvent(TEventCode aType) |
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192 { |
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193 if (iCurrentWindow |
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194 && (iState != EPointerStateOutOfRange) |
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195 && (iNumber == iPrimaryPointer || iCurrentWindow->AdvancedPointersEnabled()) |
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196 && !(iCurrentWindow->PointerFilter()&EPointerFilterEnterExit) |
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197 && !iCurrentWindow->ShutDownInProgress()) |
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198 { |
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199 iCurrentWindow->QueueEvent(aType, iNumber); |
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200 } |
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201 } |
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202 |
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203 void TWsPointer::SetCurrentWindow(const CWsWindow* aWin) |
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204 { |
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205 if (aWin!=iCurrentWindow) |
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206 { |
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207 SendEnterExitEvent(EEventPointerExit); |
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208 iCurrentWindow=aWin; |
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209 SendEnterExitEvent(EEventPointerEnter); |
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210 } |
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211 } |
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212 |
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213 /** |
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214 Relogs the current window (sets iCurrentWindow) for this pointer. |
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215 Retrieves pointer relative position in current window and pointer position in current |
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216 window's parent window. |
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217 */ |
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218 void TWsPointer::ReLogCurrentWindow(TPoint &aPos, TPoint &aParentPos, const CWsWindowGroup* aForceInGroup) |
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219 { |
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220 if (iRootWindow) |
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221 { |
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222 SetCurrentWindow(iRootWindow->PointerWindow(iPos,&aPos,&aParentPos,iGrabWindow, |
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223 iActualWinPointerIsOver,aForceInGroup)); |
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224 } |
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225 else |
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226 { |
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227 iCurrentWindow=NULL; |
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228 } |
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229 } |
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230 |
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231 /** |
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232 Relog all pointer's current windows when the window layout has changed. |
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233 */ |
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234 void TWsPointer::ReLogPointersCurrentWindows() |
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235 { |
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236 for (TInt ii = 0; ii < iMaxPointers; ii++) |
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237 { |
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238 TWsPointer& pointer = iPointers[ii]; |
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239 pointer.ReLogCurrentWindow(); |
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240 } |
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241 } |
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242 |
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243 /* |
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244 Relog this pointer's current pointer window when the window layout has changed. |
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245 Works similarly to ReLogCurrentWindow(TPoint &aPos, TPoint &aParentPos, const CWsWindowGroup* aForceInGroup), |
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246 but doesn't set relative positions. |
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247 */ |
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248 void TWsPointer::ReLogCurrentWindow() |
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249 { |
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250 if (iCurrentWindow) |
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251 { |
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252 SetCurrentWindow(iRootWindow->PointerWindow(iPos,NULL,NULL,iGrabWindow,iActualWinPointerIsOver,NULL)); |
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253 } |
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254 } |
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255 |
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256 /* |
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257 Called when a window has changed it's filter state, will trigger a 'Enter' message if the window |
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258 is the current window |
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259 */ |
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260 void TWsPointer::ReLogWindow(const CWsWindow* aWin) |
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261 { |
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262 for (TInt ii = 0; ii < iMaxPointers; ii++) |
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263 { |
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264 if (aWin == iPointers[ii].iCurrentWindow) |
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265 { |
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266 iPointers[ii].SendEnterExitEvent(EEventPointerEnter); |
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267 } |
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268 } |
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269 } |
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270 |
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271 void TWsPointer::UnmatchedEventPurged(TPointerEvent::TType aPointerType, TUint aHandle) |
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272 { |
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273 if (aPointerType==TPointerEvent::EButton1Up) |
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274 { |
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275 if (iGrabWindow && iGrabWindow->ClientHandle()==aHandle) |
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276 { |
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277 iGrabWindow=NULL; |
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278 } |
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279 if (iRepeatWindow && iRepeatWindow->ClientHandle()==aHandle) |
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280 { |
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281 CancelPointerRepeatEventRequest(); |
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282 } |
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283 } |
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284 switch(aPointerType) |
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285 { |
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286 case TPointerEvent::EButton1Up: |
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287 iLastUnmatchedDown1=aHandle; |
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288 break; |
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289 case TPointerEvent::EButton2Up: |
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290 iLastUnmatchedDown2=aHandle; |
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291 break; |
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292 case TPointerEvent::EButton3Up: |
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293 iLastUnmatchedDown3=aHandle; |
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294 break; |
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295 case TPointerEvent::EExitHighPressure: |
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296 iLastUnmatchedEnterHighPressure=aHandle; |
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297 break; |
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298 default:; |
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299 } |
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300 } |
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301 |
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302 void TWsPointer::WindowDisconnected(const CWsWindow* deletedWindow) |
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303 { |
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304 for (TInt pointerNum = 0; pointerNum < iMaxPointers; pointerNum++) |
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305 { |
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306 TWsPointer& pointer = iPointers[pointerNum]; |
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307 if (pointer.iRepeatWindow==deletedWindow) |
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308 { |
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309 pointer.CancelPointerRepeatEventRequest(); |
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310 } |
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311 if (pointer.iGrabWindow==deletedWindow) |
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312 { |
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313 pointer.iGrabWindow=NULL; |
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314 } |
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315 if (pointer.iCurrentWindow==deletedWindow) |
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316 { |
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317 pointer.ReLogCurrentWindow(); |
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318 if (pointerNum == iPrimaryPointer) |
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319 { |
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320 UpdatePointerCursor(); |
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321 } |
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322 } |
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323 } |
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324 } |
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325 |
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326 /* |
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327 Callback function pointer for up event remove event queue walk |
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328 */ |
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329 TEventQueueWalkRet RemovePointerUpFunc(TAny* aHandle, TWsEvent* aEvent) |
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330 { |
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331 if (aEvent->Type()==EEventPointer && aEvent->Pointer()->iType==TPointerEvent::EButton1Up && (*(TUint *)aHandle)==aEvent->Handle()) |
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332 { |
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333 return(EEventQueueWalkDeleteEvent); |
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334 } |
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335 return(EEventQueueWalkOk); |
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336 } |
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337 |
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338 /* |
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339 If the specified pointer is down claim grab in aWindow as though the down event had |
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340 gone to this window. Also send an up event to the window (if any) that would receive it if the |
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341 pointer was released now. |
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342 If no pointer is specifed do the above for the primary pointer. |
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343 |
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344 @return KErrNone if successful, |
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345 KErrNotFound if pointernumber out of range, |
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346 KErrNotSupported if incorrect pointer grab claimed for window in emulation mode, |
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347 KErrPermissionDenied if trying to grab from a different window owner without the required capability. |
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348 */ |
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349 TInt TWsPointer::ClaimGrab(const CWsWindow *aWindow,const TWsWinCmdGrabControl& aGrabControl) |
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350 { |
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351 TInt pointerNumber(aGrabControl.HasPointerNumber() ? aGrabControl.pointerNumber : iPrimaryPointer); |
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352 TBool advancedPointersEnabled(aWindow->AdvancedPointersEnabled()); |
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353 TInt errNo(KErrNone); |
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354 |
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355 if(!advancedPointersEnabled && aGrabControl.HasPointerNumber() && (TAdvancedPointerEvent::EDefaultPointerNumber!=pointerNumber)) |
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356 { |
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357 // The window is in emulation mode, and cannot get events for anything other than the primary pointer |
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358 errNo=KErrNotSupported; |
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359 } |
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360 else if(advancedPointersEnabled && ((pointerNumber<0) || (pointerNumber>=iMaxPointers))) |
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361 { |
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362 // Unknown pointer number |
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363 errNo=KErrNotFound; |
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364 } |
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365 else if(aGrabControl.HasPointerNumber() && (aWindow->WsOwner()!=iPointers[pointerNumber].iCurrentWindow->WsOwner()) |
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366 && !KSecurityPolicy_SwEvent().CheckPolicy(aWindow->WsOwner()->ClientMessage(), __PLATSEC_DIAGNOSTIC_STRING("Capability check failed for RWindowBase::ClaimPointerGrab"))) |
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367 { |
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368 // Trying to grab from a different window owner requires the relevant permission |
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369 // - Only for the multipointer API, RWindowBase::ClaimPointerGrab(TInt, TBool), which provides a pointer number |
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370 // - Doing so for the legacy non-multipointer API, RWindowBase::ClaimPointerGrab(TBool), would be a compatibility break |
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371 errNo=KErrPermissionDenied; |
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372 } |
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373 else |
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374 { |
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375 iPointers[pointerNumber].ClaimGrab(aWindow,aGrabControl.CheckFlags(TWsWinCmdGrabControl::ESendUpEvent)); |
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376 } |
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377 |
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378 return errNo; |
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379 } |
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380 |
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381 /* |
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382 If this pointer is down claim grab in aWindow as though the down event had |
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383 gone to this window. Also send an up event to the window (if any) that would receive it if the |
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384 pointer was released now. |
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385 */ |
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386 void TWsPointer::ClaimGrab(const CWsWindow* aWindow,TBool aSendUpEvent) |
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387 { |
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388 TInt modState=TWindowServerEvent::GetModifierState(); |
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389 TWsEvent event; |
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390 TAdvancedPointerEvent& pointerEvent=*event.Pointer(); |
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391 TAdvancedPointerEventHelper::InitAdvancedPointerEvent(event, TPointerEvent::EButton1Up,modState,TPoint3D(iPos.iX,iPos.iY,iPressureProximity),iNumber); |
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392 if (iState == EPointerStateDown) |
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393 { |
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394 if (iCurrentWindow!=aWindow) |
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395 { |
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396 if (aSendUpEvent) |
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397 { |
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398 ProcessEvent(event,NULL,EFalse); |
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399 } |
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400 else // If up event already in queue purge it |
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401 { |
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402 CEventQueue* eventQueue = iCurrentWindow->EventQueue(); |
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403 if (eventQueue) |
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404 { |
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405 TUint handle=iCurrentWindow->ClientHandle(); |
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406 eventQueue->WalkEventQueue(&RemovePointerUpFunc,&handle); |
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407 } |
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408 } |
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409 iState = EPointerStateDown; |
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410 if (aWindow->HasPointerGrab()) |
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411 { |
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412 iGrabWindow=aWindow; |
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413 } |
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414 ReLogCurrentWindow(pointerEvent.iPosition,pointerEvent.iParentPosition,NULL); |
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415 pointerEvent.iType=TPointerEvent::EDrag; |
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416 ProcessPointerEvent(event); |
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417 } |
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418 } |
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419 else if (iState == EPointerStateUp) |
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420 { |
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421 const CWsWindow *current=iCurrentWindow; |
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422 iCurrentWindow=aWindow; |
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423 WS_ASSERT_DEBUG(iGrabWindow==NULL, EWsPanicPointerClaimGrab); |
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424 iGrabWindow=aWindow; // Force the up event to be sent to aWindow |
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425 ReLogCurrentWindow(pointerEvent.iPosition,pointerEvent.iParentPosition,NULL); |
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426 ProcessPointerEvent(event); |
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427 iGrabWindow=NULL; |
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428 iCurrentWindow=current; |
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429 } |
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430 } |
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431 |
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432 /** |
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433 @return ETrue if matching event has been purged, so current event should not be delivered, |
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434 EFalse otherwise. |
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435 */ |
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436 TBool TWsPointer::CheckMatchingEventPurged(TPointerEvent::TType aType) |
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437 { |
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438 switch(aType) |
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439 { |
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440 TUint lastUnmatchedDown; |
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441 case TPointerEvent::EButton1Up: |
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442 lastUnmatchedDown=iLastUnmatchedDown1; |
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443 iLastUnmatchedDown1=0; |
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444 iLastUnmatchedEnterHighPressure=0; |
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445 goto lastUnmatchedDownCheck; |
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446 case TPointerEvent::EButton2Up: |
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447 lastUnmatchedDown=iLastUnmatchedDown2; |
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448 iLastUnmatchedDown2=0; |
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449 goto lastUnmatchedDownCheck; |
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450 case TPointerEvent::EButton3Up: |
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451 lastUnmatchedDown=iLastUnmatchedDown3; |
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452 iLastUnmatchedDown3=0; |
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453 goto lastUnmatchedDownCheck; |
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454 case TPointerEvent::EExitHighPressure: |
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455 lastUnmatchedDown=iLastUnmatchedEnterHighPressure; |
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456 iLastUnmatchedEnterHighPressure=0; |
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457 lastUnmatchedDownCheck: |
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458 if (lastUnmatchedDown==iCurrentWindow->ClientHandle()) |
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459 { |
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460 return ETrue; // Don't deliver the event as we've already thrown away matching event |
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461 } |
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462 default: //Should never get to default |
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463 break; |
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464 } |
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465 return EFalse; |
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466 } |
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467 |
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468 TBool TWsPointer::QueuePointerEvent(const CWsWindow* aWindow, TWsEvent &aEvent) |
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469 { |
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470 if (aWindow->WsOwner() && |
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471 (aWindow->AdvancedPointersEnabled() || |
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472 TAdvancedPointerEventHelper::PointerNumber(aEvent) == iPrimaryPointer)) |
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473 { |
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474 CEventQueue* queue=aWindow->EventQueue(); |
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475 aEvent.SetHandle(aWindow->ClientHandle()); |
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476 if (aEvent.Handle()!=0) |
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477 { |
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478 if(!aWindow->AdvancedPointersEnabled()) |
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479 { |
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480 // Re-assign from WServ primary pointer number, to EDefaultPointerNumber for Cone and other clients. |
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481 // This should not get confused with any real pointer of the same number due to the TWsEvents' window handle |
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482 // being different. |
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483 TAdvancedPointerEventHelper::SetPointerNumber(aEvent,TAdvancedPointerEvent::EDefaultPointerNumber); |
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484 aEvent.Pointer()->iModifiers&=~EModifierAdvancedPointerEvent; // Clear the advanced pointer flag |
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485 } |
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486 if (queue->UpdateLastPointerEvent(aEvent)) |
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487 { |
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488 return EFalse; |
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489 } |
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490 TWservEventPriorities priority=EEventPriorityLow; |
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491 switch (aEvent.Pointer()->iType) |
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492 { |
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493 case TPointerEvent::EButton1Up: |
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494 case TPointerEvent::EButton2Up: |
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495 case TPointerEvent::EButton3Up: |
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496 case TPointerEvent::EExitHighPressure: |
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497 if (CheckMatchingEventPurged(aEvent.Pointer()->iType)) |
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498 { |
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499 return ETrue; |
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500 } |
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501 if (queue->CheckRoom()) |
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502 { |
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503 if (CheckMatchingEventPurged(aEvent.Pointer()->iType)) |
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504 { |
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505 return ETrue; |
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506 } |
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507 } |
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508 /*Fall Through if an event was not purged*/ |
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509 case TPointerEvent::EButton1Down: |
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510 case TPointerEvent::EButton2Down: |
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511 case TPointerEvent::EButton3Down: |
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512 case TPointerEvent::EEnterHighPressure: |
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513 case TPointerEvent::EOutOfRange: |
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514 priority=EEventPriorityHigh; |
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515 break; |
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516 default:; |
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517 } |
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518 queue->QueueEvent(aEvent,priority); |
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519 } |
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520 } |
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521 return EFalse; |
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522 } |
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523 |
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524 /* |
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525 Moves the window group which contains this pointer's iCurrentWindow on top. |
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526 */ |
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527 void TWsPointer::ProcessForegroundCheck() |
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528 { |
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529 CWsWindowGroup* group=((CWsTopClientWindow *)iCurrentWindow)->TopClientWindow()->Parent(); |
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530 if (group->iFlags&CWsWindowGroup::EGroupFlagAutoForeground) |
|
531 { |
|
532 group->SetOrdinalPosition(0); |
|
533 } |
|
534 } |
|
535 |
|
536 /* |
|
537 Pointer Event Processing - stage 3 of 3: |
|
538 - setting event's time |
|
539 - auto foreground check |
|
540 - double clicks detection |
|
541 - pointer repeats |
|
542 - add event to client's queue |
|
543 - drag&drop capturing |
|
544 */ |
|
545 void TWsPointer::ProcessPointerEvent(TWsEvent& aEvent) |
|
546 { |
|
547 if (iCurrentWindow && iCurrentWindow!=iRootWindow) |
|
548 { |
|
549 aEvent.SetType(EEventPointer); |
|
550 aEvent.SetTimeNow(); |
|
551 TPointerEvent::TType type=aEvent.Pointer()->iType; |
|
552 switch(type) |
|
553 { |
|
554 //TUint lastUnmatchedDown; |
|
555 case TPointerEvent::EButton1Down: |
|
556 ProcessForegroundCheck(); |
|
557 /*Fall Through*/ |
|
558 case TPointerEvent::EButton2Down: |
|
559 case TPointerEvent::EButton3Down: |
|
560 { |
|
561 TPoint& pos=aEvent.Pointer()->iPosition; |
|
562 if (iCurrentWindow==iPrevClickWindow && |
|
563 type==iPrevClickEventType && |
|
564 (Abs(pos.iX-iPrevClickPos.iX)+Abs(pos.iY-iPrevClickPos.iY))<iDoubleClickMaxDistance && |
|
565 aEvent.Time()<(iPrevClickTime+iDoubleClickMaxInterval)) |
|
566 { |
|
567 aEvent.Pointer()->iModifiers|=EModifierDoubleClick; |
|
568 iPrevClickWindow=NULL; // Set to NULL to block a double double click |
|
569 } |
|
570 else |
|
571 { |
|
572 iPrevClickWindow=iCurrentWindow; |
|
573 } |
|
574 iPrevClickEventType=type; |
|
575 iPrevClickPos=pos; |
|
576 iPrevClickTime=aEvent.Time(); |
|
577 } |
|
578 break; |
|
579 default: |
|
580 break; |
|
581 } |
|
582 if (iRepeatWindow) |
|
583 { |
|
584 if (PointerEventRepeatCheck(&aEvent, iCurrentWindow->ClientHandle())) |
|
585 { |
|
586 return; |
|
587 } |
|
588 CancelPointerRepeatEventRequest(); |
|
589 } |
|
590 if (QueuePointerEvent(iCurrentWindow, aEvent)) |
|
591 { |
|
592 return; |
|
593 } |
|
594 if (iCurrentWindow->DragDropCapture()) |
|
595 { |
|
596 aEvent.SetType(EEventDragDrop); |
|
597 QueuePointerEvent(iActualWinPointerIsOver, aEvent); |
|
598 } |
|
599 } |
|
600 } |
|
601 |
|
602 TInt PointerTimerCallBack(TAny *) |
|
603 { |
|
604 TWsPointer::TimerExpired(); |
|
605 return(KErrNone); |
|
606 } |
|
607 |
|
608 void TWsPointer::RestrictPos(TPoint& aPos,TBool aWithinDrawableArea/*=ETrue*/) |
|
609 { |
|
610 CScreen* screen = iRootWindow->Screen(); |
|
611 WS_ASSERT_DEBUG(screen->IsValidScreenSizeMode(screen->ScreenSizeMode()), EWsPanicInvalidScreenSizeMode); |
|
612 #if defined(__WINS__) |
|
613 if (aWithinDrawableArea) |
|
614 { |
|
615 if (!DeltaMouse() && !TRect(screen->DrawableArea()).Contains(aPos)) |
|
616 { |
|
617 return; //Not in the drawable area so user may be trying to click on facia button. |
|
618 } |
|
619 } |
|
620 #endif |
|
621 TRect validRect=screen->GetPointerCursorArea(screen->ScreenSizeMode()); |
|
622 if (aPos.iX<validRect.iTl.iX) |
|
623 aPos.iX=validRect.iTl.iX; |
|
624 else if (aPos.iX>=validRect.iBr.iX) |
|
625 aPos.iX=validRect.iBr.iX-1; |
|
626 if (aPos.iY<validRect.iTl.iY) |
|
627 aPos.iY=validRect.iTl.iY; |
|
628 else if (aPos.iY>=validRect.iBr.iY) |
|
629 aPos.iY=validRect.iBr.iY-1; |
|
630 } |
|
631 |
|
632 #if defined(__WINS__) |
|
633 TBool TWsPointer::PreProcessDriverEvent(TRawEvent &aRawEvent,TBool aFromHardware/*=EFlase*/) |
|
634 #else |
|
635 TBool TWsPointer::PreProcessDriverEvent(TRawEvent &aRawEvent) |
|
636 #endif |
|
637 { |
|
638 TRawEvent::TType type=aRawEvent.Type(); |
|
639 |
|
640 if (!IsPointerEventType(type)) |
|
641 return ETrue; |
|
642 |
|
643 if (!XyInput()) |
|
644 { |
|
645 return EFalse; |
|
646 } |
|
647 |
|
648 // check correctness of aRawEvent.PointerNumber() |
|
649 if (iMaxPointers > 1) |
|
650 { |
|
651 if (aRawEvent.PointerNumber() >= iMaxPointers) |
|
652 { |
|
653 return EFalse; |
|
654 } |
|
655 } |
|
656 else |
|
657 { |
|
658 aRawEvent.SetPointerNumber(0); |
|
659 } |
|
660 |
|
661 if (type != TRawEvent::EPointer3DOutOfRange) |
|
662 { |
|
663 // operations on coordinates are valid for all types except EPointer3DOutOfRange |
|
664 TPoint xy=aRawEvent.Pos(); |
|
665 if (DeltaMouse()) |
|
666 { |
|
667 #if defined(__WINS__) |
|
668 if (aFromHardware) |
|
669 return EFalse; |
|
670 #endif |
|
671 if (type==TRawEvent::EPointerMove) |
|
672 { |
|
673 xy+=iPointers[aRawEvent.PointerNumber()].iPos; |
|
674 ShiftYCoordinate(xy.iY); |
|
675 RestrictPos(xy); |
|
676 } |
|
677 else |
|
678 xy=iPointers[aRawEvent.PointerNumber()].iPos; |
|
679 } |
|
680 else |
|
681 { |
|
682 CScreen* screen=iRootWindow->Screen(); |
|
683 #if !defined(__WINS__) |
|
684 TSize screenSize=screen->SizeInPixels()-TSize(1,1); //This is in the current rotation |
|
685 switch (screen->Orientation()) |
|
686 { |
|
687 case CFbsBitGc::EGraphicsOrientationRotated90: |
|
688 xy.SetXY(xy.iY,screenSize.iHeight-xy.iX); |
|
689 break; |
|
690 case CFbsBitGc::EGraphicsOrientationRotated180: |
|
691 xy=-(xy-screenSize); |
|
692 break; |
|
693 case CFbsBitGc::EGraphicsOrientationRotated270: |
|
694 xy.SetXY(screenSize.iWidth-xy.iY,xy.iX); |
|
695 break; |
|
696 default:; //To stop warning |
|
697 } |
|
698 #endif |
|
699 ShiftYCoordinate(xy.iY); |
|
700 // Move the raw event position by shifting it by Origin and scale |
|
701 xy=screen->PhysicalToLogical(xy); |
|
702 RestrictPos(xy); |
|
703 } |
|
704 aRawEvent.Set(type, xy.iX, xy.iY, |
|
705 iIs3DPointer ? aRawEvent.Pos3D().iZ : 0); |
|
706 } |
|
707 return ETrue; |
|
708 } |
|
709 |
|
710 /** |
|
711 * Validates events sent to the Window Server by its Client (Anim or Window Group). |
|
712 * May overwrite aRawEvent's Z coordinate and/or pointer number if Client or digitizer driver |
|
713 * doesn't support them. |
|
714 * @param aRawEvent event to validate |
|
715 * @param aAdvancedPointersEnabled ETrue if Client supports advanced pointer's data (Z coordiante |
|
716 * and pointer number); EFalse otherwise. |
|
717 * @return ETrue if aRawEvent should be processed by Window Server. EFalse if it should be ignored. |
|
718 */ |
|
719 TBool TWsPointer::PreProcessClientEvent(TRawEvent &aRawEvent, TBool aAdvancedPointersEnabled) |
|
720 { |
|
721 TRawEvent::TType type=aRawEvent.Type(); |
|
722 |
|
723 if (!IsPointerEventType(type)) |
|
724 return ETrue; |
|
725 |
|
726 // validate pointer number |
|
727 if (aAdvancedPointersEnabled) |
|
728 { |
|
729 // ignore event if both digitizer driver and Client support pointer numbers, but number is invalid |
|
730 if (aRawEvent.PointerNumber() >= iMaxPointers) |
|
731 { |
|
732 return EFalse; |
|
733 } |
|
734 } |
|
735 else |
|
736 { |
|
737 // set to iPrimaryPointer if Client doesn't support pointer numbers |
|
738 aRawEvent.SetPointerNumber(iPrimaryPointer); |
|
739 } |
|
740 |
|
741 // validate Z coordinate for all pointer events except EPointer3DOutOfRange |
|
742 if (type != TRawEvent::EPointer3DOutOfRange) |
|
743 { |
|
744 if (!iIs3DPointer) |
|
745 { |
|
746 // set Z to 0 for all events when the digitizer driver doesn't support Z coordinate |
|
747 TPoint3D xyz=aRawEvent.Pos3D(); |
|
748 aRawEvent.Set(type, xyz.iX, xyz.iY, 0); |
|
749 } |
|
750 else if (!aAdvancedPointersEnabled) |
|
751 { |
|
752 // set Z to actual value if the digitizer driver does support Z coordinate but Client doesn't |
|
753 TPoint3D xyz=aRawEvent.Pos3D(); |
|
754 aRawEvent.Set(type, xyz.iX, xyz.iY, iPointers[aRawEvent.PointerNumber()].iPressureProximity); |
|
755 } |
|
756 } |
|
757 |
|
758 return ETrue; |
|
759 } |
|
760 |
|
761 TBool TWsPointer::IsPointerEventType(TRawEvent::TType aType) |
|
762 { |
|
763 #if defined(__WINS__) |
|
764 WS_ASSERT_DEBUG(TRawEvent::EPointerMove==1, EWsPanicRawEventsTypeChanged); |
|
765 WS_ASSERT_DEBUG(TRawEvent::EPointerMove+1==TRawEvent::EPointerSwitchOn, EWsPanicRawEventsTypeChanged); |
|
766 WS_ASSERT_DEBUG(TRawEvent::EPointerSwitchOn+8==TRawEvent::EButton1Down, EWsPanicRawEventsTypeChanged); |
|
767 WS_ASSERT_DEBUG(TRawEvent::EButton1Down+5==TRawEvent::EButton3Up, EWsPanicRawEventsTypeChanged); |
|
768 WS_ASSERT_DEBUG(TRawEvent::EButton3Up+6==TRawEvent::EPointer3DOutOfRange, EWsPanicRawEventsTypeChanged); |
|
769 #endif |
|
770 return (aType == TRawEvent::EPointerMove) || |
|
771 (aType == TRawEvent::EPointerSwitchOn) || |
|
772 (aType >= TRawEvent::EButton1Down && aType <= TRawEvent::EButton3Up) || |
|
773 (aType == TRawEvent::EPointer3DOutOfRange); |
|
774 } |
|
775 |
|
776 /* |
|
777 Pointer Event processing. |
|
778 |
|
779 This method redirects pointer event processing to proper TWsPointer object. |
|
780 */ |
|
781 void TWsPointer::ProcessWsEvent(TWsEvent& aEvent,const CWsWindowGroup* aForceInGroup,TBool aNatural) |
|
782 { |
|
783 if(iPrimaryPointer!=iPreviousPrimaryPointer) |
|
784 { |
|
785 // The primary pointer may be updated while the TRawEvent is being processed, but this TRawEvent may be |
|
786 // then be consumed by an anim. |
|
787 // If it hasn't then we can leave any repeat request. |
|
788 CancelPointerRepeatEventRequest(iPreviousPrimaryPointer); |
|
789 } |
|
790 |
|
791 if (aEvent.Pointer()->iType == TPointerEvent::EOutOfRange) |
|
792 { |
|
793 iPointers[TAdvancedPointerEventHelper::PointerNumber(aEvent)].ProcessOutOfRangeEvent(aEvent, aForceInGroup, aNatural); |
|
794 } |
|
795 else |
|
796 { |
|
797 iPointers[TAdvancedPointerEventHelper::PointerNumber(aEvent)].ProcessEvent(aEvent, aForceInGroup, aNatural); |
|
798 } |
|
799 } |
|
800 |
|
801 /* |
|
802 Pointer Event Processing - stage 1 of 3: |
|
803 - updating this pointer's state: coordinates and grabbing window |
|
804 - updating coordinates of event |
|
805 - updating event type to Drag |
|
806 - simulated moves |
|
807 - generating events: EEnterCloseProximity, EExitCloseProximity, EEnterHighPressure, EExitHighPressure |
|
808 */ |
|
809 void TWsPointer::ProcessEvent(TWsEvent& aEvent,const CWsWindowGroup* aForceInGroup,TBool aNatural) |
|
810 { |
|
811 TAdvancedPointerEvent& pointerEvent = *aEvent.Pointer(); |
|
812 TPointerEvent::TType eventType=pointerEvent.iType; |
|
813 |
|
814 if (iState == EPointerStateOutOfRange) |
|
815 { |
|
816 // new pointer comes in range, so clear information after previous one |
|
817 Clear(); |
|
818 } |
|
819 |
|
820 // update coordinates |
|
821 iPos=pointerEvent.iPosition; |
|
822 iPressureProximity=TAdvancedPointerEventHelper::Z(aEvent); |
|
823 |
|
824 if (eventType == TPointerEvent::EMove && !MovesAvailable() && iState != EPointerStateDown) |
|
825 { |
|
826 return; |
|
827 } |
|
828 |
|
829 // re-log and update parent position |
|
830 TPoint parPos; |
|
831 ReLogCurrentWindow(pointerEvent.iPosition,parPos,aForceInGroup); |
|
832 pointerEvent.iParentPosition=parPos; |
|
833 |
|
834 // update state |
|
835 switch(eventType) |
|
836 { |
|
837 case TPointerEvent::EButton1Down: |
|
838 if (iGrabWindow==NULL && iCurrentWindow->HasPointerGrab()) |
|
839 { |
|
840 iGrabWindow=iCurrentWindow; |
|
841 } |
|
842 if (!MovesAvailable() && iCurrentWindow->PointerFilter()&EPointerGenerateSimulatedMove) |
|
843 { |
|
844 pointerEvent.iType=TPointerEvent::EMove; |
|
845 ProcessEvent(aEvent, EFalse); |
|
846 pointerEvent.iType=TPointerEvent::EButton1Down; |
|
847 } |
|
848 switch(iState) |
|
849 { |
|
850 case EPointerStateOutOfRange: |
|
851 iState = EPointerStateDown; |
|
852 SendEnterExitEvent(EEventPointerEnter); |
|
853 // intentional lack of break statement |
|
854 case EPointerStateUp: |
|
855 iState = EPointerStateDown; |
|
856 ProcessEvent(aEvent, aNatural); |
|
857 if (iPressureProximity >= iEnterHighPressureThreshold) |
|
858 { |
|
859 iInHighPressure = ETrue; |
|
860 pointerEvent.iType = TPointerEvent::EEnterHighPressure; |
|
861 ProcessEvent(aEvent, EFalse); |
|
862 } |
|
863 else |
|
864 { |
|
865 iInHighPressure = EFalse; |
|
866 } |
|
867 break; |
|
868 case EPointerStateDown: |
|
869 if (iInHighPressure && iPressureProximity < iExitHighPressureThreshold) |
|
870 { |
|
871 iInHighPressure = EFalse; |
|
872 eventType = TPointerEvent::EExitHighPressure; |
|
873 } |
|
874 else if (!iInHighPressure && iPressureProximity >= iEnterHighPressureThreshold) |
|
875 { |
|
876 iInHighPressure = ETrue; |
|
877 eventType = TPointerEvent::EEnterHighPressure; |
|
878 } |
|
879 ProcessEvent(aEvent, aNatural); |
|
880 break; |
|
881 } |
|
882 break; |
|
883 case TPointerEvent::EButton1Up: |
|
884 iGrabWindow=NULL; |
|
885 switch(iState) |
|
886 { |
|
887 case EPointerStateDown: |
|
888 iState = EPointerStateUp; |
|
889 ProcessEvent(aEvent, aNatural); |
|
890 if (iPressureProximity < iExitCloseProximityThreshold) |
|
891 { |
|
892 pointerEvent.iType = TPointerEvent::EExitCloseProximity; |
|
893 iInCloseProximity = EFalse; |
|
894 ProcessEvent(aEvent, EFalse); |
|
895 } |
|
896 else |
|
897 { |
|
898 iInCloseProximity = ETrue; |
|
899 } |
|
900 break; |
|
901 case EPointerStateOutOfRange: |
|
902 iState = EPointerStateUp; |
|
903 SendEnterExitEvent(EEventPointerEnter); |
|
904 // intentional lack of break statement |
|
905 case EPointerStateUp: |
|
906 if (iInCloseProximity && |
|
907 iPressureProximity < iExitCloseProximityThreshold) |
|
908 { |
|
909 iInCloseProximity = EFalse; |
|
910 pointerEvent.iType = TPointerEvent::EExitCloseProximity; |
|
911 } |
|
912 else if (!iInCloseProximity && |
|
913 iPressureProximity >= iEnterCloseProximityThreshold) |
|
914 { |
|
915 iInCloseProximity = ETrue; |
|
916 pointerEvent.iType = TPointerEvent::EEnterCloseProximity; |
|
917 } |
|
918 ProcessEvent(aEvent, aNatural); |
|
919 break; |
|
920 } |
|
921 break; |
|
922 case TPointerEvent::EMove: |
|
923 switch(iState) |
|
924 { |
|
925 case EPointerStateDown: |
|
926 if (iInHighPressure && |
|
927 iPressureProximity < iExitHighPressureThreshold) |
|
928 { |
|
929 iInHighPressure = EFalse; |
|
930 pointerEvent.iType = TPointerEvent::EExitHighPressure; |
|
931 } |
|
932 else if (!iInHighPressure && |
|
933 iPressureProximity >= iEnterHighPressureThreshold) |
|
934 { |
|
935 iInHighPressure = ETrue; |
|
936 pointerEvent.iType = TPointerEvent::EEnterHighPressure; |
|
937 } |
|
938 else |
|
939 { |
|
940 pointerEvent.iType = TPointerEvent::EDrag; |
|
941 } |
|
942 break; |
|
943 case EPointerStateUp: |
|
944 if (iInCloseProximity && |
|
945 iPressureProximity < iExitCloseProximityThreshold) |
|
946 { |
|
947 iInCloseProximity = EFalse; |
|
948 pointerEvent.iType = TPointerEvent::EExitCloseProximity; |
|
949 } |
|
950 else if (!iInCloseProximity && |
|
951 iPressureProximity >= iEnterCloseProximityThreshold) |
|
952 { |
|
953 iInCloseProximity = ETrue; |
|
954 pointerEvent.iType = TPointerEvent::EEnterCloseProximity; |
|
955 } |
|
956 break; |
|
957 case EPointerStateOutOfRange: |
|
958 iState = EPointerStateUp; |
|
959 SendEnterExitEvent(EEventPointerEnter); |
|
960 if (iPressureProximity >= iEnterCloseProximityThreshold) |
|
961 { |
|
962 iInCloseProximity = ETrue; |
|
963 pointerEvent.iType = TPointerEvent::EEnterCloseProximity; |
|
964 } |
|
965 break; |
|
966 } |
|
967 ProcessEvent(aEvent, aNatural); |
|
968 break; |
|
969 default: |
|
970 ProcessEvent(aEvent, aNatural); |
|
971 break; |
|
972 } |
|
973 } |
|
974 |
|
975 /** |
|
976 Processes OutOfRange events: |
|
977 - injects event to key click plugin |
|
978 - directs event to the last current window |
|
979 - sends Exit event |
|
980 */ |
|
981 void TWsPointer::ProcessOutOfRangeEvent(TWsEvent& aEvent,const CWsWindowGroup* aForceInGroup, TBool aNatural) |
|
982 { |
|
983 if (iState != EPointerStateOutOfRange) |
|
984 { |
|
985 // OutOfRange event generated by driver doesn't contain correct coordinates, |
|
986 // we update them from last state in order to deliver event to the proper window. |
|
987 SendEnterExitEvent(EEventPointerExit); |
|
988 |
|
989 iState = EPointerStateOutOfRange; |
|
990 |
|
991 TAdvancedPointerEventHelper::SetPointerNumber(aEvent, iNumber); |
|
992 TAdvancedPointerEventHelper::SetZ(aEvent, iPressureProximity); |
|
993 |
|
994 TAdvancedPointerEvent& pointerEvent = *aEvent.Pointer(); |
|
995 iCurrentWindow=iRootWindow->PointerWindow(iPos,&pointerEvent.iPosition,&pointerEvent.iParentPosition,iGrabWindow, |
|
996 iActualWinPointerIsOver,aForceInGroup); |
|
997 ProcessEvent(aEvent, aNatural); |
|
998 } |
|
999 } |
|
1000 |
|
1001 void TWsPointer::NotifyCClick(TAdvancedPointerEvent& aPointerEvent) |
|
1002 { |
|
1003 if (CClick::IsHandler()) |
|
1004 { |
|
1005 CClick::PointerEvent(iPos,aPointerEvent); |
|
1006 TPointerEventData params; |
|
1007 params.iVersion=0; |
|
1008 params.iCurrentPos=iPos; |
|
1009 TAdvancedPointerEventHelper::Copy(aPointerEvent, params.iPointerEvent); |
|
1010 params.iClientHandle=iCurrentWindow->ClientHandle(); |
|
1011 params.iWindowOrigin=iCurrentWindow->Origin(); |
|
1012 CWsWindowGroup* groupWin=iCurrentWindow->WinGroup(); |
|
1013 params.iWindowGroupId=groupWin ? groupWin->Identifier() : 0; |
|
1014 params.iSource=TPointerEventData::EUnspecified; |
|
1015 CClick::OtherEvent(EEventPointer,¶ms); |
|
1016 } |
|
1017 } |
|
1018 |
|
1019 /* |
|
1020 Pointer Event Processing - stage 2 of 3: |
|
1021 - injecting events to key click plugin |
|
1022 - pointer filtering |
|
1023 - injection to event buffer |
|
1024 - injection to keyboard emulator |
|
1025 - clearing iCurrentWindow if going up and !MovesAvailable() |
|
1026 - updating pointer cursor |
|
1027 */ |
|
1028 void TWsPointer::ProcessEvent(TWsEvent& aEvent, TBool aNatural) |
|
1029 { |
|
1030 if (aNatural) |
|
1031 { |
|
1032 NotifyCClick(*aEvent.Pointer()); |
|
1033 } |
|
1034 |
|
1035 TUint filter=iCurrentWindow->PointerFilter(); |
|
1036 TPointerEvent::TType type=aEvent.Pointer()->iType; |
|
1037 if ((type!=TPointerEvent::EMove || !(filter&EPointerFilterMove)) && |
|
1038 (type!=TPointerEvent::EDrag || !(filter&EPointerFilterDrag))) |
|
1039 { |
|
1040 if (iNumber == iPrimaryPointer) |
|
1041 { |
|
1042 TPoint pos=aEvent.Pointer()->iPosition; |
|
1043 if ((type==TPointerEvent::EMove || type==TPointerEvent::EDrag) && iCurrentWindow->UsingPointerBuffer()) |
|
1044 { |
|
1045 CWsPointerBuffer::PointerEvent((CWsClientWindow *)iCurrentWindow,pos); |
|
1046 } |
|
1047 else if ((type==TPointerEvent::EEnterCloseProximity || type==TPointerEvent::EExitCloseProximity || |
|
1048 type==TPointerEvent::EEnterHighPressure || type==TPointerEvent::EExitHighPressure) && |
|
1049 iCurrentWindow->UsingPointerBuffer()) |
|
1050 { |
|
1051 CWsPointerBuffer::PointerEvent((CWsClientWindow *)iCurrentWindow,pos); |
|
1052 ProcessPointerEvent(aEvent); |
|
1053 } |
|
1054 else if (!WsKeyboardEmulator::PointerEvent(type,pos,iCurrentWindow->PointerKeyList())) |
|
1055 { |
|
1056 ProcessPointerEvent(aEvent); |
|
1057 } |
|
1058 } |
|
1059 else if (!iCurrentWindow->UsingPointerBuffer() || (type != TPointerEvent::EMove && type != TPointerEvent::EDrag)) |
|
1060 { |
|
1061 ProcessPointerEvent(aEvent); |
|
1062 } |
|
1063 } |
|
1064 if (!MovesAvailable() && (type==TPointerEvent::EButton1Up || |
|
1065 type==TPointerEvent::ESwitchOn || |
|
1066 type==TPointerEvent::EOutOfRange)) |
|
1067 { |
|
1068 iCurrentWindow=NULL; |
|
1069 } |
|
1070 if (iNumber == iPrimaryPointer) |
|
1071 { |
|
1072 PointerCursorUpdateCheck(); |
|
1073 } |
|
1074 } |
|
1075 |
|
1076 void TWsPointer::TimerExpired() |
|
1077 { |
|
1078 WS_ASSERT_DEBUG(iTimerQueued, EWsPanicPointerTimer); |
|
1079 if (iUpdateRequired) |
|
1080 { |
|
1081 UpdatePointerCursor(); |
|
1082 iUpdateRequired=EFalse; |
|
1083 } |
|
1084 else |
|
1085 { |
|
1086 iTimerQueued=EFalse; |
|
1087 iPeriodicTimer->Cancel(); |
|
1088 } |
|
1089 } |
|
1090 |
|
1091 void TWsPointer::GetDoubleClickSettings(TTimeIntervalMicroSeconds32 &aTime, TInt &aDistance) |
|
1092 { |
|
1093 aTime=iDoubleClickMaxInterval; |
|
1094 aDistance=iDoubleClickMaxDistance; |
|
1095 } |
|
1096 |
|
1097 void TWsPointer::SetDoubleClick(const TTimeIntervalMicroSeconds32 &aTime, TInt aDistance) |
|
1098 { |
|
1099 iDoubleClickMaxInterval=aTime; |
|
1100 iDoubleClickMaxDistance=aDistance; |
|
1101 } |
|
1102 |
|
1103 void TWsPointer::PointerCursorUpdateCheck() |
|
1104 { |
|
1105 CWsPointerCursor* sprite=CalculatePointerCursor(); |
|
1106 if (iCursorSprite || sprite) // If there either was, or is a pointer cursor we need an update |
|
1107 { |
|
1108 if (!iTimerQueued) |
|
1109 { |
|
1110 UpdatePointerCursorTo(sprite); |
|
1111 iPeriodicTimer->Start(TTimeIntervalMicroSeconds32(EPointerUpdateGapInMicroSeconds), |
|
1112 TTimeIntervalMicroSeconds32(EPointerUpdateGapInMicroSeconds), |
|
1113 TCallBack(PointerTimerCallBack,NULL)); |
|
1114 iTimerQueued=ETrue; |
|
1115 } |
|
1116 else |
|
1117 { |
|
1118 iUpdateRequired=ETrue; |
|
1119 } |
|
1120 } |
|
1121 } |
|
1122 |
|
1123 void TWsPointer::UpdatePointerCursor() |
|
1124 { |
|
1125 //__PROFILE_START(3); |
|
1126 CWsPointerCursor* sprite=iPointers[iPrimaryPointer].CalculatePointerCursor(); |
|
1127 UpdatePointerCursorTo(sprite); |
|
1128 //__PROFILE_END(3); |
|
1129 } |
|
1130 |
|
1131 void TWsPointer::UpdatePointerCursorTo(CWsPointerCursor* aNewCursor) |
|
1132 { |
|
1133 if (iCursorSprite!=aNewCursor) |
|
1134 { |
|
1135 if (iCursorSprite) |
|
1136 { |
|
1137 iCursorSprite->Deactivate(); |
|
1138 } |
|
1139 iCursorSprite=aNewCursor; |
|
1140 if (iCursorSprite) |
|
1141 { |
|
1142 iCursorSprite->SetPos(iPointers[iPrimaryPointer].iPos); |
|
1143 iCursorSprite->Activate(); |
|
1144 } |
|
1145 } |
|
1146 else if (iCursorSprite) |
|
1147 { |
|
1148 iCursorSprite->SetPos(iPointers[iPrimaryPointer].iPos); |
|
1149 } |
|
1150 } |
|
1151 |
|
1152 CWsPointerCursor* TWsPointer::CalculatePointerCursor() |
|
1153 { |
|
1154 CWsPointerCursor* sprite=NULL; |
|
1155 if (iCurrentWindow && (iPointerCursorMode==EPointerCursorNormal || iPointerCursorMode==EPointerCursorWindow)) |
|
1156 { |
|
1157 const CWsWindowBase* window=iCurrentWindow; |
|
1158 do { |
|
1159 sprite=window->PointerCursor(); |
|
1160 if (window->WinType()!=EWinTypeClient) |
|
1161 { |
|
1162 break; |
|
1163 } |
|
1164 window=window->BaseParent(); |
|
1165 } while (!sprite); |
|
1166 } |
|
1167 if (!sprite && iCurrentWindow && (iPointerCursorMode==EPointerCursorFixed || iPointerCursorMode==EPointerCursorNormal)) |
|
1168 { |
|
1169 sprite=CWsClient::DefaultSystemPointerCursor(); |
|
1170 } |
|
1171 return sprite; |
|
1172 } |
|
1173 |
|
1174 /* |
|
1175 Callback function for event queue walk |
|
1176 */ |
|
1177 TEventQueueWalkRet PointerRepeatPurgeFunc(TAny* aReqPtrNum, TWsEvent* aQueueEvent) |
|
1178 { |
|
1179 return(TWsPointer::PointerRepeatPurgeCheck(aQueueEvent, reinterpret_cast<TUint>(aReqPtrNum))); |
|
1180 } |
|
1181 |
|
1182 TBool TWsPointer::PointerEventRepeatCheck(const TWsEvent* aEvent, TUint32 aHandle) |
|
1183 // |
|
1184 // Return ETrue if this pointer event is consumed by the pointer repeat |
|
1185 // |
|
1186 { |
|
1187 // Must be a pointer event type in order to get the pointer number, |
|
1188 // which is needed to check the repeat window. |
|
1189 WS_ASSERT_DEBUG(aEvent->Type()==EEventPointer,EWsPanicEventType); |
|
1190 |
|
1191 const TAdvancedPointerEvent* pntEvent=aEvent->Pointer(); |
|
1192 if ( TAdvancedPointerEventHelper::PointerNumber(*aEvent)==iNumber && |
|
1193 aHandle==iRepeatWindow->ClientHandle()) |
|
1194 { |
|
1195 switch(pntEvent->iType) |
|
1196 { |
|
1197 case TPointerEvent::EDrag: // deliberate drop-through |
|
1198 case TPointerEvent::EMove: // deliberate drop-through |
|
1199 case TPointerEvent::EEnterCloseProximity: // deliberate drop-through |
|
1200 case TPointerEvent::EExitCloseProximity: // deliberate drop-through |
|
1201 case TPointerEvent::EEnterHighPressure: // deliberate drop-through |
|
1202 case TPointerEvent::EExitHighPressure: |
|
1203 { |
|
1204 if(iRepeatRect.Contains(pntEvent->iPosition)) |
|
1205 { |
|
1206 return(ETrue); |
|
1207 } |
|
1208 break; |
|
1209 } |
|
1210 default: |
|
1211 // do nothing and drop through |
|
1212 break; |
|
1213 } |
|
1214 } |
|
1215 return(EFalse); |
|
1216 } |
|
1217 |
|
1218 TEventQueueWalkRet TWsPointer::PointerRepeatPurgeCheck(TWsEvent* aQueueEvent, TUint8 aReqPtrNum) |
|
1219 { |
|
1220 // Return value is "WalkOK", unless a repeated event is found that needs to be deleted. |
|
1221 TEventQueueWalkRet eventQueueWalkRet(EEventQueueWalkOk); |
|
1222 |
|
1223 // Check the WSEvent Type |
|
1224 if (aQueueEvent->Type()==EEventPointer) // aEvent is a pointer event |
|
1225 { |
|
1226 // It is a pointer event, so we can get the pointer number |
|
1227 // to check if there is a repeat request for that pointer. |
|
1228 const TInt eventPtrNum(TAdvancedPointerEventHelper::PointerNumber(*aQueueEvent)); |
|
1229 // If aEvent's pointer has an active repeat request, |
|
1230 // then it'll have a repeat window. |
|
1231 if ((eventPtrNum == aReqPtrNum) && RepeatWindow(eventPtrNum)) |
|
1232 { |
|
1233 // There is a repeat request for the pointer. |
|
1234 // Is there a queued repeated event to be deleted? |
|
1235 TWsPointer& wsPointer = iPointers[eventPtrNum]; |
|
1236 if (wsPointer.PointerEventRepeatCheck(aQueueEvent,aQueueEvent->Handle())) |
|
1237 { |
|
1238 // Update the return value to purge the event |
|
1239 // as it is a move/drag within the repeat rect |
|
1240 eventQueueWalkRet=EEventQueueWalkDeleteEvent; |
|
1241 } |
|
1242 else |
|
1243 { |
|
1244 // No queued repeated event was found, therefore the |
|
1245 // request is still pending and needs to be cancelled. |
|
1246 wsPointer.CancelPointerRepeatEventRequest(); |
|
1247 } |
|
1248 } |
|
1249 } |
|
1250 return eventQueueWalkRet; |
|
1251 } |
|
1252 |
|
1253 void TWsPointer::RequestRepeatEvent(CWsWindow* aWindow, const TWsWinCmdRequestPointerRepeatEvent& aRequest) |
|
1254 { |
|
1255 CancelPointerRepeatEventRequest(); |
|
1256 iRepeatWindow=aWindow; |
|
1257 iRepeatRect=aRequest.rect; |
|
1258 iRepeatTimer->After(aRequest.time); |
|
1259 aWindow->EventQueue()->WalkEventQueue(&PointerRepeatPurgeFunc,reinterpret_cast<TInt*>(iNumber)); |
|
1260 if (iRepeatWindow && !iRepeatRect.Contains(iPos-iRepeatWindow->Origin())) |
|
1261 { |
|
1262 CancelPointerRepeatEventRequest(); |
|
1263 } |
|
1264 } |
|
1265 |
|
1266 TInt TWsPointer::RequestPointerRepeatEvent(CWsWindow* aWindow, const TWsWinCmdRequestPointerRepeatEvent& aRequest) |
|
1267 { |
|
1268 TInt errNo = KErrNone; |
|
1269 TUint8 pointerNum = aRequest.HasPointerNumber() ? aRequest.pointerNumber : iPrimaryPointer; |
|
1270 if(PointerNumberInRange(pointerNum)) |
|
1271 { |
|
1272 iPointers[pointerNum].RequestRepeatEvent(aWindow,aRequest); |
|
1273 } |
|
1274 else |
|
1275 { |
|
1276 errNo=KErrArgument; |
|
1277 } |
|
1278 return errNo; |
|
1279 } |
|
1280 |
|
1281 void TWsPointer::CancelPointerRepeatEventRequest() |
|
1282 { |
|
1283 if (iRepeatWindow) |
|
1284 { |
|
1285 iRepeatWindow=NULL; |
|
1286 if(iRepeatTimer) |
|
1287 iRepeatTimer->Cancel(); |
|
1288 } |
|
1289 } |
|
1290 |
|
1291 TInt TWsPointer::CancelPointerRepeatEventRequest(const TWsWinCmdCancelPointerRepeatEventRequest& aRequest) |
|
1292 { |
|
1293 TInt errNo = KErrNone; |
|
1294 TUint8 pointerNum = aRequest.HasPointerNumber() ? aRequest.pointerNumber : iPrimaryPointer; |
|
1295 if(PointerNumberInRange(pointerNum)) |
|
1296 { |
|
1297 iPointers[pointerNum].CancelPointerRepeatEventRequest(); |
|
1298 } |
|
1299 else |
|
1300 { |
|
1301 errNo=KErrArgument; |
|
1302 } |
|
1303 return errNo; |
|
1304 } |
|
1305 |
|
1306 void TWsPointer::RepeatTimerCompleted() |
|
1307 { |
|
1308 TWsEvent event; |
|
1309 event.SetType(EEventPointer); |
|
1310 event.SetTimeNow(); |
|
1311 TPoint3D point3D(iPos-iRepeatWindow->Origin()); |
|
1312 point3D.iZ=iPressureProximity; |
|
1313 TAdvancedPointerEventHelper::InitAdvancedPointerEvent(event, |
|
1314 TPointerEvent::EButtonRepeat, |
|
1315 TWindowServerEvent::GetModifierState(), |
|
1316 point3D, |
|
1317 (iPos-iRepeatWindow->BaseParent()->Origin()), |
|
1318 iNumber); |
|
1319 QueuePointerEvent(iRepeatWindow, event); |
|
1320 iRepeatWindow=NULL; |
|
1321 } |
|
1322 |
|
1323 #if defined(__WINS__) |
|
1324 void TWsPointer::SetXyInputType(TXYInputType aXyInputType) |
|
1325 { |
|
1326 if (iXyInputType>EXYInputPointer && aXyInputType<EXYInputMouse) |
|
1327 { |
|
1328 // change from Mouse types to Pointer/None |
|
1329 for (TInt ii = 0; ii < iMaxPointers; ii++) |
|
1330 { |
|
1331 if (iPointers[ii].iState != EPointerStateDown) |
|
1332 { |
|
1333 iPointers[ii].iCurrentWindow=NULL; |
|
1334 } |
|
1335 } |
|
1336 UpdatePointerCursor(); |
|
1337 } |
|
1338 else if (iXyInputType<EXYInputMouse && aXyInputType>EXYInputPointer) |
|
1339 { |
|
1340 // change from Pointer/None types to Mouse types |
|
1341 for (TInt ii = 0; ii < iMaxPointers; ii++) |
|
1342 { |
|
1343 if (iPointers[ii].iState != EPointerStateDown) |
|
1344 { |
|
1345 TPoint pos(iPointers[ii].iPos); |
|
1346 TPoint parPos; |
|
1347 iPointers[ii].ReLogCurrentWindow(pos,parPos,NULL); |
|
1348 } |
|
1349 } |
|
1350 UpdatePointerCursor(); |
|
1351 } |
|
1352 iXyInputType=aXyInputType; |
|
1353 } |
|
1354 #endif |
|
1355 |
|
1356 /** |
|
1357 Updates Primary Pointer before aRawEvent is processed. Only events related to Primary |
|
1358 Pointer will be sent to Clients which require single pointer environment. |
|
1359 |
|
1360 This method implements single pointer environment emulation rules (see design |
|
1361 documentation for more details). |
|
1362 |
|
1363 @param aRawEvent Incoming event used to update the Primary Pointer. It must be a pointer event, |
|
1364 as defined by TWsPointer::IsPointerEventType(TRawEvent::TType). |
|
1365 */ |
|
1366 void TWsPointer::UpdatePrimaryPointer(const TRawEvent& aRawEvent) |
|
1367 { |
|
1368 iPreviousPrimaryPointer = iPrimaryPointer; |
|
1369 |
|
1370 TRawEvent::TType type=aRawEvent.Type(); |
|
1371 TInt pointerNumber = aRawEvent.PointerNumber(); |
|
1372 |
|
1373 // If primary pointer is out of range, then the first pointer that will |
|
1374 // start being detected (come back in range) will become primary. |
|
1375 if (iPointers[iPrimaryPointer].iState == EPointerStateOutOfRange) |
|
1376 { |
|
1377 if (type != TRawEvent::EPointer3DOutOfRange && iPointers[pointerNumber].iState == EPointerStateOutOfRange) |
|
1378 { |
|
1379 iPrimaryPointer = pointerNumber; |
|
1380 } |
|
1381 return; |
|
1382 } |
|
1383 |
|
1384 // if non-primary pointer sends EButton1Down event, and actual primary pointer |
|
1385 // is not down, then the pointer which has sent EButton1Down becomes primary. |
|
1386 if (type == TRawEvent::EButton1Down && |
|
1387 iPointers[iPrimaryPointer].iState != EPointerStateDown) |
|
1388 { |
|
1389 iPrimaryPointer = pointerNumber; |
|
1390 return; |
|
1391 } |
|
1392 } |
|
1393 |
|
1394 /** Sets Z coordinate threshold values for TPointerEvent::EEnterCloseProximity |
|
1395 and TPointerEvent::EExitCloseProximity events. |
|
1396 @return KErrNone if successful, |
|
1397 KErrNotSupported if the device doesn't support threshold values, |
|
1398 KErrArgument if aEnterCloseProximityThreshold is less than aExitCloseProximityThreshold |
|
1399 @see RWsSession::SetCloseProximityThresholds which calls this method |
|
1400 */ |
|
1401 TInt TWsPointer::SetCloseProximityThresholds(TInt aEnterCloseProximityThreshold, TInt aExitCloseProximityThreshold) |
|
1402 { |
|
1403 if (aEnterCloseProximityThreshold < aExitCloseProximityThreshold) |
|
1404 { |
|
1405 return KErrArgument; |
|
1406 } |
|
1407 |
|
1408 TInt ret = HAL::Set(HALData::EPointer3DEnterCloseProximityThreshold, aEnterCloseProximityThreshold); |
|
1409 if (ret != KErrNone) |
|
1410 { |
|
1411 return ret; |
|
1412 } |
|
1413 |
|
1414 ret = HAL::Set(HALData::EPointer3DExitCloseProximityThreshold, aExitCloseProximityThreshold); |
|
1415 WS_ASSERT_DEBUG(ret == KErrNone, EWsPanicProxThresholdsInconsist); |
|
1416 if (ret != KErrNone) |
|
1417 { |
|
1418 HAL::Set(HALData::EPointer3DEnterCloseProximityThreshold, iEnterCloseProximityThreshold); |
|
1419 return ret; |
|
1420 } |
|
1421 |
|
1422 iEnterCloseProximityThreshold = aEnterCloseProximityThreshold; |
|
1423 iExitCloseProximityThreshold = aExitCloseProximityThreshold; |
|
1424 return KErrNone; |
|
1425 } |
|
1426 |
|
1427 /** |
|
1428 @return Z coordinate threshold value for TPointerEvent::EEnterCloseProximity events |
|
1429 @see RWsSession::GetEnterCloseProximityThreshold which calls this method |
|
1430 */ |
|
1431 TInt TWsPointer::GetEnterCloseProximityThreshold() |
|
1432 { |
|
1433 return iEnterCloseProximityThreshold; |
|
1434 } |
|
1435 |
|
1436 /** |
|
1437 @return Z coordinate threshold value for TPointerEvent::EExitCloseProximity events |
|
1438 @see RWsSession::GetExitCloseProximityThreshold which calls this method |
|
1439 */ |
|
1440 TInt TWsPointer::GetExitCloseProximityThreshold() |
|
1441 { |
|
1442 return iExitCloseProximityThreshold; |
|
1443 } |
|
1444 |
|
1445 /** Sets Z coordinate threshold value for TPointerEvent::EEnterHighPressure and |
|
1446 TPointerEvent::EExitHighPressure events. |
|
1447 @return KErrNone if successful, |
|
1448 KErrNotSupported if the device doesn't support threshold values, |
|
1449 KErrArgument if aEnterHighPressureThreshold is less than aExitHighPressureThreshold |
|
1450 @see RWsSession::SetHighPressureThresholds which calls this method |
|
1451 */ |
|
1452 TInt TWsPointer::SetHighPressureThresholds(TInt aEnterHighPressureThreshold, TInt aExitHighPressureThreshold) |
|
1453 { |
|
1454 if (aEnterHighPressureThreshold < aExitHighPressureThreshold) |
|
1455 { |
|
1456 return KErrArgument; |
|
1457 } |
|
1458 |
|
1459 TInt ret = HAL::Set(HALData::EPointer3DEnterHighPressureThreshold, aEnterHighPressureThreshold); |
|
1460 if (ret != KErrNone) |
|
1461 { |
|
1462 return ret; |
|
1463 } |
|
1464 |
|
1465 ret = HAL::Set(HALData::EPointer3DExitHighPressureThreshold, aExitHighPressureThreshold); |
|
1466 WS_ASSERT_DEBUG(ret == KErrNone, EWsPanicPressThresholdsInconsist); |
|
1467 if (ret != KErrNone) |
|
1468 { |
|
1469 HAL::Set(HALData::EPointer3DEnterHighPressureThreshold, iEnterHighPressureThreshold); |
|
1470 return ret; |
|
1471 } |
|
1472 |
|
1473 iEnterHighPressureThreshold = aEnterHighPressureThreshold; |
|
1474 iExitHighPressureThreshold = aExitHighPressureThreshold; |
|
1475 return KErrNone; |
|
1476 } |
|
1477 |
|
1478 /** |
|
1479 @return Z coordinate threshold value for TPointerEvent::EEnterHighPressure events |
|
1480 @see RWsSession::GetEnterHighPressureThreshold which calls this method |
|
1481 */ |
|
1482 TInt TWsPointer::GetEnterHighPressureThreshold() |
|
1483 { |
|
1484 return iEnterHighPressureThreshold; |
|
1485 } |
|
1486 |
|
1487 /** |
|
1488 @return Z coordinate threshold value for TPointerEvent::EExitHighPressure events |
|
1489 @see RWsSession::GetExitHighPressureThreshold which calls this method |
|
1490 */ |
|
1491 TInt TWsPointer::GetExitHighPressureThreshold() |
|
1492 { |
|
1493 return iExitHighPressureThreshold; |
|
1494 } |
|
1495 |
|
1496 |
|
1497 /** |
|
1498 This function is specific for capacitive touch screens, where user's finger is the pointer device. |
|
1499 Usability studies have shown that the user's perception of the location of the pointer hit is always |
|
1500 away from few pixels north of the actual hit centre as detected by the digitizer device. So, this function |
|
1501 will shift all pointer events by a specified Y displacement. |
|
1502 |
|
1503 @param aY Current y coordinate pointer position. |
|
1504 |
|
1505 */ |
|
1506 void TWsPointer::ShiftYCoordinate(TInt& aY) |
|
1507 { |
|
1508 WS_ASSERT_DEBUG(iYOffset>=0, EWsPanicInvalidPointerOffset); |
|
1509 if (aY >= iYOffset) |
|
1510 { |
|
1511 aY -=iYOffset; |
|
1512 } |
|
1513 else |
|
1514 { |
|
1515 aY=0; |
|
1516 } |
|
1517 } |
|
1518 // |
|
1519 CWsPointerTimer::CWsPointerTimer(MPointerTimerCallback& aPointerTimerCallback) |
|
1520 : CTimer(EPointerRepeatPriority), iPointerTimerCallback(aPointerTimerCallback) |
|
1521 {} |
|
1522 |
|
1523 void CWsPointerTimer::ConstructL() |
|
1524 { |
|
1525 CTimer::ConstructL(); |
|
1526 CActiveScheduler::Add(this); |
|
1527 } |
|
1528 |
|
1529 CWsPointerTimer* CWsPointerTimer::NewL(MPointerTimerCallback& aWsPointer) |
|
1530 { |
|
1531 CWsPointerTimer* self = new(ELeave) CWsPointerTimer(aWsPointer); |
|
1532 CleanupStack::PushL(self); |
|
1533 self->ConstructL(); |
|
1534 CleanupStack::Pop(self); |
|
1535 return self; |
|
1536 } |
|
1537 |
|
1538 void CWsPointerTimer::RunL() |
|
1539 { |
|
1540 User::ResetInactivityTime(); |
|
1541 WS_ASSERT_DEBUG(iStatus.Int()==KErrNone, EWsPanicPointerRepeatTimerStatus); |
|
1542 iPointerTimerCallback.RepeatTimerCompleted(); |
|
1543 } |
|
1544 // |
|
1545 |
|
1546 CWsPointerBuffer::~CWsPointerBuffer() |
|
1547 { |
|
1548 if (this == iCurrentBuffer) |
|
1549 { |
|
1550 // We're about to be destroyed - don't want to be pointed at any more. |
|
1551 iCurrentBuffer = NULL; |
|
1552 } |
|
1553 iList.Remove(*this); |
|
1554 } |
|
1555 |
|
1556 void CWsPointerBuffer::ConnectL(CWsClientWindow* aWindow, TInt aMaxPoints, TUint aFlags) |
|
1557 { |
|
1558 CWsPointerBuffer* pb=NULL; |
|
1559 for(TSglQueIter<CWsPointerBuffer> iter(iList);(pb=iter++)!=NULL;) |
|
1560 { |
|
1561 if (pb->iWindow==aWindow) |
|
1562 { |
|
1563 User::Leave(KErrInUse); |
|
1564 } |
|
1565 } |
|
1566 CWsPointerBuffer* pbuf=new(ELeave) CWsPointerBuffer; |
|
1567 pbuf->iWindow=aWindow; |
|
1568 pbuf->iMaxPoints=aMaxPoints; |
|
1569 pbuf->iFlags=aFlags; |
|
1570 iList.AddFirst(*pbuf); |
|
1571 CleanupStack::PushL(pbuf); |
|
1572 AdjustMaxSizeL(); |
|
1573 CleanupStack::Pop(); |
|
1574 } |
|
1575 |
|
1576 void CWsPointerBuffer::Disconnect(CWsClientWindow* aWindow) |
|
1577 { |
|
1578 CWsPointerBuffer* pb=NULL; |
|
1579 for(TSglQueIter<CWsPointerBuffer> iter(iList);(pb=iter++)!=NULL;) |
|
1580 { |
|
1581 if (pb->iWindow==aWindow) |
|
1582 { |
|
1583 delete pb; // Note that the destructor also sets iCurrentBuffer to NULL if it is pointing at pb |
|
1584 TRAP_IGNORE(AdjustMaxSizeL()); // Shouldn't fail, but doesn't matter if it does as we simply have a larger buffer than needed |
|
1585 break; // from for loop |
|
1586 } |
|
1587 } |
|
1588 } |
|
1589 |
|
1590 void CWsPointerBuffer::Reset() |
|
1591 { |
|
1592 iSignalled=EFalse; |
|
1593 iPointerBuffer->Reset(); |
|
1594 } |
|
1595 |
|
1596 void CWsPointerBuffer::SignalBufferReady() |
|
1597 { |
|
1598 if (!iSignalled) |
|
1599 { |
|
1600 if (iCurrentBuffer && iCurrentBuffer->iWindow->QueueEvent(EEventPointerBufferReady)) |
|
1601 { |
|
1602 iSignalled=ETrue; |
|
1603 } |
|
1604 } |
|
1605 } |
|
1606 |
|
1607 void CWsPointerBuffer::PointerEvent(CWsClientWindow* aWindow,const TPoint &aPoint) |
|
1608 { |
|
1609 if (iCurrentBuffer==NULL || aWindow!=iCurrentBuffer->iWindow) |
|
1610 { |
|
1611 Reset(); |
|
1612 CWsPointerBuffer* pb=NULL; |
|
1613 for(TSglQueIter<CWsPointerBuffer> iter(iList);(pb=iter++)!=NULL;) |
|
1614 { |
|
1615 if (pb->iWindow==aWindow) |
|
1616 { |
|
1617 iCurrentBuffer=pb; |
|
1618 break; // from for loop |
|
1619 } |
|
1620 } |
|
1621 } |
|
1622 iPointerBuffer->Add(&aPoint); |
|
1623 SignalBufferReady(); |
|
1624 } |
|
1625 |
|
1626 void CWsPointerBuffer::RetrievePointerMoveBuffer(CWsClientWindow* aWindow,TInt aMaxPoints) |
|
1627 { |
|
1628 enum {KPointerMoveBufferSize=32}; // Puts 256 bytes on the stack |
|
1629 if (iCurrentBuffer && aWindow==iCurrentBuffer->iWindow) |
|
1630 { |
|
1631 iSignalled=EFalse; |
|
1632 TInt max=Min(aMaxPoints,iPointerBuffer->Count()); |
|
1633 TInt buflen=0; |
|
1634 aWindow->WsOwner()->SetReply(max); |
|
1635 TPoint point; |
|
1636 TBuf8<KPointerMoveBufferSize*sizeof(TPoint)> pnts; |
|
1637 for(TInt index=0;index<max;index++) |
|
1638 { |
|
1639 iPointerBuffer->Remove(&point); |
|
1640 pnts.Append((TUint8 *)&point,sizeof(TPoint)); |
|
1641 buflen++; |
|
1642 if (buflen==KPointerMoveBufferSize) |
|
1643 { |
|
1644 CWsClient::ReplyBuf(pnts); |
|
1645 pnts.Zero(); |
|
1646 buflen=0; |
|
1647 } |
|
1648 } |
|
1649 if (buflen>0) |
|
1650 { |
|
1651 CWsClient::ReplyBuf(pnts); |
|
1652 } |
|
1653 if (iPointerBuffer->Count()) |
|
1654 { |
|
1655 SignalBufferReady(); |
|
1656 } |
|
1657 } |
|
1658 } |
|
1659 |
|
1660 void CWsPointerBuffer::DiscardPointerMoveBuffer(TUint aHandle) |
|
1661 { |
|
1662 if (iCurrentBuffer && aHandle==iCurrentBuffer->iWindow->ClientHandle()) |
|
1663 { |
|
1664 Reset(); |
|
1665 } |
|
1666 } |
|
1667 |
|
1668 void CWsPointerBuffer::DiscardPointerMoveBuffer(CWsClientWindow* aWindow) |
|
1669 { |
|
1670 if (iCurrentBuffer && aWindow==iCurrentBuffer->iWindow) |
|
1671 { |
|
1672 Reset(); |
|
1673 } |
|
1674 } |
|
1675 |
|
1676 void CWsPointerBuffer::AdjustMaxSizeL() |
|
1677 { |
|
1678 TInt max=0; |
|
1679 CWsPointerBuffer* pb=NULL; |
|
1680 for(TSglQueIter<CWsPointerBuffer> iter(iList);(pb=iter++)!=NULL;) |
|
1681 { |
|
1682 if (pb->iMaxPoints>max) |
|
1683 { |
|
1684 max=pb->iMaxPoints; |
|
1685 } |
|
1686 } |
|
1687 if (max==0) |
|
1688 { |
|
1689 delete iPointerBuffer; |
|
1690 iPointerBuffer=NULL; |
|
1691 } |
|
1692 else if (!iPointerBuffer) |
|
1693 { |
|
1694 CCirBuf<TPoint>* pointerBuffer=new(ELeave) CCirBuf<TPoint>; |
|
1695 CleanupStack::PushL(pointerBuffer); |
|
1696 pointerBuffer->SetLengthL(max); |
|
1697 CleanupStack::Pop(); |
|
1698 iPointerBuffer=pointerBuffer; |
|
1699 } |
|
1700 else |
|
1701 { |
|
1702 iPointerBuffer->SetLengthL(max); |
|
1703 } |
|
1704 } |