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1 /* |
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2 * Copyright (c) 2005-2006 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: Implementation for CFepLayoutEditAreaBase |
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15 * |
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16 */ |
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17 |
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18 #include <peninputcmd.h> |
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19 #include <AknBidiTextUtils.h> |
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20 #include <AknsDrawUtils.h> |
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21 #include <avkon.hrh> |
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22 |
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23 #include "peninputlayouteditareabase.h" |
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24 #include "peninputlayoutinsertionpoint.h" |
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25 #include "peninputlayout.h" |
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26 |
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27 |
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28 // CONSTANTS |
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29 const TInt KGapLeftOfEachLine = 2;//1; |
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30 const TInt KSelectionRectMarginY = 2; |
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31 const TInt KDefaultHeight = 10; |
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32 const TInt KCursorCorrectionX = -1 * ( KCursorWidth + KCursorPosCorrectionX ); |
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33 const TInt KDefaultRightMargin = 3 * KCursorWidth; |
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34 const TInt KAddBufLen = 100; |
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35 const TInt KSecretUpdateTimer = 1000000; // 1s |
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36 const TInt KSecretInstantShowTimer = 100000; // 100ms |
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37 const TInt KParagraphSeperator = 0x2029; |
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38 |
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39 |
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40 // ============================ MEMBER FUNCTIONS =============================== |
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41 |
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42 |
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43 // --------------------------------------------------------------------------- |
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44 // CFepLayoutEditAreaBase::CFepLayoutEditAreaBase |
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45 // C++ default constructor can NOT contain any code, that |
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46 // might leave. |
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47 // --------------------------------------------------------------------------- |
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48 EXPORT_C CFepLayoutEditAreaBase::CFepLayoutEditAreaBase(TRect aRect, |
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49 CFepUiLayout* aUiLayout,TInt aControlId): |
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50 CFepUiBaseCtrl(aRect,aUiLayout,aControlId), |
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51 iCorrectedRect(aRect),iFontOwnership(EFalse) |
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52 { |
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53 SetControlType(ECtrlEditAreaBase); |
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54 iCursorVisible = ETrue; |
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55 iCursorSelVisible = ETrue; |
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56 |
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57 #ifdef RD_TACTILE_FEEDBACK |
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58 //register the area for tactile feedback |
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59 if(aUiLayout) |
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60 { |
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61 //Advanced Tactile feedback REQ417-47932 |
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62 if(IsKindOfControl(ECtrlTactileFeedback)) |
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63 { |
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64 SetTactileFeedbackType(ETouchFeedbackSensitiveInput); |
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65 aUiLayout->RegisterFeedbackArea(reinterpret_cast<TInt>(this),aRect,ETouchFeedbackSensitiveInput); |
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66 } |
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67 } |
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68 |
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69 |
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70 #endif //RD_TACTILE_FEEDBACK |
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71 } |
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72 |
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73 // --------------------------------------------------------------------------- |
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74 // CFepLayoutEditAreaBase::ConstructL |
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75 // Symbian 2nd phase constructor can leave. |
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76 // --------------------------------------------------------------------------- |
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77 EXPORT_C void CFepLayoutEditAreaBase::BaseConstructL() |
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78 { |
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79 CFepUiBaseCtrl::BaseConstructL(); |
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80 |
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81 // Initialize text color |
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82 iTextColor = KRgbBlack; |
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83 |
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84 // Create the caret |
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85 iInsertionPoint = CInsertionPoint::NewL(this,BitmapDevice(),BitGc(),KDefaultHeight); |
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86 iSecretTextTimer = CPeriodic::NewL(CActive::EPriorityStandard); |
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87 } |
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88 |
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89 // --------------------------------------------------------------------------- |
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90 // CFepLayoutEditAreaBase::~CFepLayoutEditAreaBase |
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91 // Destructor |
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92 // --------------------------------------------------------------------------- |
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93 |
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94 EXPORT_C CFepLayoutEditAreaBase::~CFepLayoutEditAreaBase() |
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95 { |
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96 delete iInsertionPoint; |
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97 delete iBuffer; |
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98 delete iVisualBuffer; |
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99 |
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100 iSecretTextTimer->Cancel(); |
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101 delete iSecretTextTimer; |
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102 |
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103 if(iFontOwnership && iFont) |
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104 { |
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105 BitmapDevice()->ReleaseFont(iFont); |
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106 } |
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107 |
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108 iOverlappedCtrlList.Close(); |
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109 } |
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110 |
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111 // --------------------------------------------------------------------------- |
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112 // CFepLayoutEditAreaBase::SetRect |
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113 // Sets the rectangle |
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114 // (other items were commented in a header). |
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115 // --------------------------------------------------------------------------- |
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116 // |
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117 EXPORT_C void CFepLayoutEditAreaBase::SetRect(TRect aRect) |
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118 { |
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119 CFepUiBaseCtrl::SetRect(aRect); |
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120 iCorrectedRect = aRect; |
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121 iCorrectedRect.iBr.iX += KCursorCorrectionX; |
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122 |
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123 // resize the background bitmap |
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124 if( BackgroundBmp() && BackgroundBmp()->SizeInPixels() != Rect().Size() ) |
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125 { |
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126 AknIconUtils::SetSize( BackgroundBmp(), |
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127 Rect().Size(), |
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128 EAspectRatioNotPreserved ); |
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129 } |
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130 if( BkMaskBmp() && BkMaskBmp()->SizeInPixels() != Rect().Size() ) |
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131 { |
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132 AknIconUtils::SetSize( BkMaskBmp(), |
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133 Rect().Size(), |
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134 EAspectRatioNotPreserved ); |
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135 } |
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136 if (iBuffer && iFont) |
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137 { |
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138 TRAP_IGNORE(CalculateDisplayTextL()); |
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139 iInsertionPoint->SetPosition(PositionOfInsertionPointOnWindow()); |
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140 Draw(); |
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141 UpdateArea(Rect(),EFalse); |
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142 } |
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143 } |
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144 |
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145 // --------------------------------------------------------------------------- |
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146 // Handle pointer down event |
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147 // --------------------------------------------------------------------------- |
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148 // |
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149 EXPORT_C CFepUiBaseCtrl* CFepLayoutEditAreaBase::HandlePointerDownEventL(const TPoint& aPt) |
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150 { |
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151 if (iDimmed || !(iCursorVisible||iCursorSelVisible)) |
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152 { |
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153 return NULL; |
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154 } |
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155 |
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156 CFepUiBaseCtrl::HandlePointerDownEventL(aPt); |
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157 |
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158 // get the index of the character in render buffer where down event occurred |
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159 TInt caretPos = PositionInVisualText(aPt.iX); |
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160 |
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161 //cancel any selection |
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162 if(iDisplayTextCurSel.Length() && (iCursorVisible||iCursorSelVisible)) |
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163 { |
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164 TRect rect = DrawSelection(); |
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165 UpdateArea(rect,EFalse); |
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166 iDisplayTextCurSel.SetSelection(0,0); |
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167 iSelectedCompositionText.SetSelection(0,0); |
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168 } |
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169 |
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170 // set the new cursor position |
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171 TInt newPosition = PositionInDisplayText(aPt.iX); |
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172 SetPositionOfInsertionPointInBuffer(newPosition); |
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173 |
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174 iInsertionPoint->SetPosition(PositionOfInsertionPointOnWindow()); |
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175 SetFocus(); |
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176 |
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177 iScrolling = EFalse; |
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178 |
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179 CFepUiBaseCtrl* temp = CapturePointer(); |
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180 if (temp != this) |
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181 { |
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182 iPreCaptureCtrl = temp; |
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183 } |
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184 |
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185 return this; |
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186 |
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187 } |
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188 |
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189 TInt CFepLayoutEditAreaBase::CursorDistance(TInt aX) const |
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190 { |
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191 TInt cursorDistance; |
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192 if ( iTextDirection == TBidiText::ELeftToRight ) |
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193 { |
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194 cursorDistance = aX - iCorrectedRect.iTl.iX - KGapLeftOfEachLine; |
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195 } |
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196 else |
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197 { |
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198 cursorDistance = iCorrectedRect.iBr.iX - aX - KGapLeftOfEachLine; |
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199 } |
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200 |
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201 TInt maxWidth = iCorrectedRect.Width() - KGapLeftOfEachLine; |
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202 if(cursorDistance < 0) |
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203 { |
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204 cursorDistance = 0; |
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205 } |
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206 else |
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207 { |
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208 cursorDistance = cursorDistance > maxWidth ? maxWidth : cursorDistance; |
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209 } |
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210 return cursorDistance; |
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211 } |
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212 |
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213 TBidiText::TDirectionality CFepLayoutEditAreaBase::CharDirection( TChar aChar ) const |
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214 { |
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215 TBuf<1> buf; |
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216 buf.Zero(); |
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217 buf.Append( aChar ); |
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218 |
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219 return TBidiText::TextDirectionality( buf ); |
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220 } |
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221 |
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222 void CFepLayoutEditAreaBase::AdjustPostionInVisualText( const TInt /*cursorDistance*/, TInt& /*retVal*/ ) |
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223 { |
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224 switch ( iTextDirection ) |
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225 { |
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226 case TBidiText::ERightToLeft: |
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227 break; |
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228 case TBidiText::ELeftToRight: |
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229 default: |
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230 break; |
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231 } |
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232 |
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233 } |
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234 |
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235 TInt CFepLayoutEditAreaBase::PositionInVisualText(TInt aX) |
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236 { |
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237 TInt retVal; |
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238 |
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239 if(!iBuffer || !iFont) |
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240 { |
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241 // Edit area was empty, position is zero |
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242 retVal = 0; |
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243 return retVal; |
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244 } |
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245 |
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246 // get the distance of the cursor from the beginning of iCorrectedRect |
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247 TInt cursorDistance = CursorDistance(aX); |
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248 |
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249 // get the index of the cursor |
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250 retVal = iFont->TextCount(iVisualText, cursorDistance); |
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251 AdjustPostionInVisualText( cursorDistance, retVal ); |
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252 |
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253 return retVal; |
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254 } |
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255 |
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256 TPoint CFepLayoutEditAreaBase::PositionInVisualWindow(TInt aCharacterIndex) const //visual text position in ICF |
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257 { |
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258 TPoint position; |
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259 |
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260 if(iFont) |
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261 position.iY = iCorrectedRect.iTl.iY + (iCorrectedRect.Height() - |
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262 iFont->HeightInPixels())/2; |
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263 else |
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264 position.iY = iCorrectedRect.iTl.iY + (iCorrectedRect.Height()/4); |
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265 |
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266 if ( iTextDirection ==TBidiText::ELeftToRight ) |
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267 { |
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268 if(aCharacterIndex < 0) |
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269 { |
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270 // index too small, set the point to the beginning of iCorrectedRect |
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271 position.iX = iCorrectedRect.iTl.iX; |
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272 } |
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273 else if (aCharacterIndex > iVisualText.Length()) |
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274 { |
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275 // index too big, set the point to the end of iCorrectedRect |
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276 position.iX = iCorrectedRect.iBr.iX; |
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277 } |
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278 else |
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279 { |
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280 // calculate the position of the character relative to parent window |
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281 position.iX = KGapLeftOfEachLine + iCorrectedRect.iTl.iX; |
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282 if(iFont) |
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283 { |
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284 position.iX += iFont->TextWidthInPixels(iVisualText.Left(aCharacterIndex)); |
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285 } |
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286 } |
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287 } |
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288 else |
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289 { |
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290 if(aCharacterIndex < 0) |
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291 { |
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292 position.iX = iCorrectedRect.iBr.iX; |
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293 } |
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294 else if (aCharacterIndex > iVisualText.Length()) |
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295 { |
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296 position.iX = iCorrectedRect.iTl.iX; |
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297 } |
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298 else |
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299 { |
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300 position.iX = iCorrectedRect.iBr.iX - KGapLeftOfEachLine; |
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301 if(iFont) |
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302 { |
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303 position.iX -= iFont->TextWidthInPixels(iVisualText.Left(aCharacterIndex)); |
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304 } |
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305 } |
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306 } |
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307 |
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308 return position; |
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309 } |
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310 // --------------------------------------------------------------------------- |
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311 // Handle pointer up event |
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312 // --------------------------------------------------------------------------- |
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313 // |
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314 EXPORT_C CFepUiBaseCtrl* CFepLayoutEditAreaBase::HandlePointerUpEventL(const TPoint& aPt) |
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315 { |
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316 if (iDimmed || !(iCursorVisible||iCursorSelVisible)) |
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317 { |
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318 return NULL; |
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319 } |
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320 |
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321 CFepUiBaseCtrl::HandlePointerUpEventL(aPt); |
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322 |
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323 iScrolling = EFalse; |
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324 |
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325 if(iPreCaptureCtrl) |
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326 { |
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327 iPreCaptureCtrl->CapturePointer(); |
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328 } |
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329 else |
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330 { |
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331 CapturePointer(EFalse); |
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332 } |
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333 |
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334 CalculateDisplayTextL(); |
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335 iInsertionPoint->SetPosition(PositionOfInsertionPointOnWindow()); |
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336 Draw(); |
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337 UpdateArea(Rect(),EFalse); |
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338 |
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339 return this; |
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340 } |
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341 |
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342 // --------------------------------------------------------------------------- |
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343 // Handle pointer move event |
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344 // --------------------------------------------------------------------------- |
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345 // |
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346 EXPORT_C CFepUiBaseCtrl* CFepLayoutEditAreaBase::HandlePointerMoveEventL(const TPoint& aPt) |
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347 { |
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348 if( !PointerDown() || iDimmed || !(iCursorVisible||iCursorSelVisible) ) |
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349 return this; |
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350 |
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351 TInt newPosition = PositionInDisplayText(aPt.iX); |
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352 |
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353 TInt anchorPos = iDisplayTextCurSel.iAnchorPos - iDisplayTextOffset; |
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354 |
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355 TInt cursorPos = iDisplayTextCurSel.iCursorPos - iDisplayTextOffset; |
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356 |
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357 |
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358 |
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359 if(Rect().Contains(aPt) && newPosition == cursorPos) |
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360 |
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361 { |
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362 |
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363 return this; |
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364 |
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365 } |
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366 |
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367 |
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368 iInsertionPoint->DelayCursorWhileDraging(); |
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369 if(aPt.iX < iCorrectedRect.iTl.iX) |
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370 { |
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371 // selection was dragged beyond the left edge of iCorrectedRect -> scroll left |
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372 ScrollLeft(); |
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373 } |
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374 else if(aPt.iX > iCorrectedRect.iBr.iX) |
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375 { |
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376 // selection was dragged beyond the right edge of iCorrectedRect -> scroll right |
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377 ScrollRight(); |
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378 } |
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379 else |
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380 { |
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381 // selection was dragged inside visible buffer -> update selection |
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382 SetPositionOfInsertionPointInBuffer(newPosition, anchorPos); |
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383 |
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384 iInsertionPoint->SetPosition(PositionOfInsertionPointOnWindow()); |
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385 if(iScrolling) |
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386 { |
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387 // text was scrolled just before user dragged the pen back inside iCorrectedRect |
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388 // invalidate entire rect to show the new selection correctly |
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389 Draw(); |
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390 UpdateArea(Rect(),EFalse); |
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391 iScrolling = EFalse; |
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392 } |
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393 else |
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394 { |
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395 if(newPosition != cursorPos ) |
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396 { |
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397 TPoint prevPos = PositionInWindow(cursorPos); |
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398 TPoint newPos = PositionInWindow(newPosition); |
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399 |
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400 // invalidate only changed selection, to minimize flickering |
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401 TRect invalidRect(Rect()); |
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402 invalidRect.iTl.iX = Min(prevPos.iX, newPos.iX); |
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403 invalidRect.iBr.iX = Max(prevPos.iX, newPos.iX) + KCursorSelectionGap; |
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404 invalidRect.iBr.iX = invalidRect.iBr.iX > Rect().iBr.iX ? Rect().iBr.iX : invalidRect.iBr.iX; |
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405 |
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406 Draw(); |
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407 UpdateArea(invalidRect,EFalse); |
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408 } |
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409 } |
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410 } |
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411 return this; |
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412 } |
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413 |
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414 |
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415 // --------------------------------------------------------------------------- |
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416 // Drawa edit area |
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417 // --------------------------------------------------------------------------- |
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418 // |
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419 EXPORT_C void CFepLayoutEditAreaBase::Draw() |
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420 { |
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421 if(!AbleToDraw()) |
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422 return; |
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423 CFbsBitGc* gc = static_cast<CFbsBitGc*>(BitGc()); |
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424 |
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425 TRect rect = Rect(); |
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426 DrawOpaqueMaskBackground(); |
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427 // ----- draw bitmaps ----- |
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428 DrawBackground(); |
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429 DrawContent(gc,rect); |
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430 } |
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431 |
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432 |
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433 // --------------------------------------------------------------------------- |
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434 // CFepLayoutEditAreaBase::DrawSelection() |
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435 // Draws the text selection |
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436 // (other items were commented in a header). |
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437 // --------------------------------------------------------------------------- |
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438 // |
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439 TRect CFepLayoutEditAreaBase::DrawSelection() |
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440 { |
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441 CFbsBitGc* gc = static_cast<CFbsBitGc*>(BitGc()); |
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442 gc->SetClippingRegion(&ValidClipRegion()); |
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443 TRect rect = Rect(); |
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444 |
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445 if (!iFont || iInDragging) |
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446 { |
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447 return TRect(rect.iTl, TSize(0,0)); |
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448 } |
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449 TInt baseLine = iFont->AscentInPixels() + (rect.Height() - |
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450 iFont->HeightInPixels())/2; |
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451 |
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452 TRect selRect(rect); |
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453 TInt startIndex = iDisplayTextCurSel.LowerPos() - iDisplayTextOffset; |
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454 TInt endIndex = iDisplayTextCurSel.HigherPos() - iDisplayTextOffset; |
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455 if(startIndex < 0) |
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456 { |
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457 // set startIndex to the beginning of the buffer. |
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458 startIndex = 0; |
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459 } |
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460 if(endIndex> iDisplayText.Length()) |
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461 { |
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462 // set endIndex to the end of the buffer |
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463 endIndex = iDisplayText.Length(); |
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464 } |
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465 TInt pos1 = PositionInWindow(startIndex).iX; |
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466 TInt pos2 = PositionInWindow(endIndex).iX; |
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467 selRect.iTl.iX = Min( pos1, pos2 ); |
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468 selRect.iBr.iX = Max( pos1, pos2 ); |
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469 if(selRect.iBr.iX > rect.iBr.iX) |
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470 { |
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471 selRect.iBr.iX = rect.iBr.iX; |
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472 } |
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473 selRect.iTl.iY += ((baseLine - iFont->AscentInPixels()) - |
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474 KSelectionRectMarginY); |
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475 selRect.iBr.iY -= ((rect.Height()-(baseLine + iFont->DescentInPixels())) |
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476 - KSelectionRectMarginY); |
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477 selRect.Intersection( rect ); |
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478 |
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479 // draw selection by inverting colors in the selected text rectancle |
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480 gc->SetBrushStyle(CGraphicsContext::ESolidBrush); |
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481 gc->SetBrushColor(KRgbBlack); |
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482 gc->SetDrawMode(CGraphicsContext::EDrawModeNOTSCREEN); |
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483 gc->SetPenSize(PenSize()); |
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484 gc->SetPenColor(PenColor()); |
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485 gc->DrawRect(selRect); |
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486 |
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487 // restore normal draw mode |
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488 gc->SetDrawMode(CGraphicsContext::EDrawModePEN); |
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489 gc->SetBrushStyle(CGraphicsContext::ENullBrush); |
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490 gc->CancelClipping(); |
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491 return selRect; |
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492 } |
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493 |
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494 TInt CFepLayoutEditAreaBase::UpdateSecretText( TAny* aEditArea ) |
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495 { |
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496 CFepLayoutEditAreaBase* editArea = static_cast<CFepLayoutEditAreaBase*>(aEditArea); |
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497 |
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498 if ( !editArea->iTextIsSecret ) |
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499 { |
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500 editArea->iSecretTextTimer->Cancel(); |
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501 return KErrNone; |
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502 } |
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503 TPtr ptr = editArea->iBuffer->Des(); |
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504 TInt startPos = ptr.LocateReverse( '*' ) + 1; |
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505 TBuf<1> buf; |
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506 buf.Append( '*' ); |
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507 |
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508 if ( startPos < ptr.Length() ) |
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509 { |
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510 ptr.Replace( startPos, 1, buf ); |
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511 |
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512 if ( startPos == ptr.Length() -1 ) |
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513 { |
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514 editArea->iSecretTextTimer->Cancel(); |
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515 } |
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516 } |
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517 TRAP_IGNORE(editArea->CalculateDisplayTextL()); |
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518 editArea->Draw(); |
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519 editArea->UpdateArea(editArea->Rect(),EFalse); |
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520 return KErrNone; |
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521 } |
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522 |
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523 // --------------------------------------------------------------------------- |
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524 // CFepLayoutEditAreaBase::DrawContent |
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525 // Draws the text into the given graphic context |
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526 // (other items were commented in a header). |
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527 // --------------------------------------------------------------------------- |
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528 // |
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529 EXPORT_C void CFepLayoutEditAreaBase::DrawContent(CBitmapContext* aGc, const TRect& aRect) |
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530 { |
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531 |
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532 if(!iBuffer || !iFont || iInDragging) |
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533 { |
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534 return; |
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535 } |
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536 aGc->SetClippingRegion(ValidClipRegion()); |
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537 |
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538 TRect editRect = Rect(); |
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539 if(aRect.Intersects(editRect)) |
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540 { |
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541 // set brush invisible so the background of the edit area does not get painted white |
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542 aGc->SetBrushStyle(CGraphicsContext::ENullBrush); |
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543 aGc->UseFont(iFont); |
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544 |
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545 // draw text |
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546 /* TInt baseLine = iFont->AscentInPixels() + (editRect.Height()-iFont-> |
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547 HeightInPixels())/2;*/ |
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548 TInt baseLine = iFont->AscentInPixels()/2 + editRect.Height()/2; |
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549 TRgb color( KRgbBlack ); // sane default for nonskinned case |
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550 if(iTextColor != KRgbRed)//temperarily to fix the vkb warning color defect. |
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551 { |
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552 |
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553 |
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554 if ( AknsUtils::AvkonSkinEnabled() ) |
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555 { |
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556 AknsUtils::GetCachedColor( AknsUtils::SkinInstance(), |
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557 color, KAknsIIDQsnTextColors, EAknsCIQsnTextColorsCG60 ); |
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558 } |
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559 } |
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560 else |
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561 { |
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562 color = iTextColor; //when color group is ready for chinese, pls delete this judgement. |
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563 } |
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564 aGc->SetPenColor(color); |
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565 |
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566 if( isCenter ) |
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567 { |
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568 aGc->DrawText(iVisualText, editRect, baseLine, |
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569 CGraphicsContext::ECenter,KGapLeftOfEachLine); |
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570 } |
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571 else |
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572 { |
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573 if ( iTextDirection ==TBidiText::ELeftToRight ) |
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574 { |
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575 aGc->DrawText(iVisualText, editRect, baseLine, |
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576 CGraphicsContext::ELeft,KGapLeftOfEachLine); |
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577 } |
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578 else |
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579 { |
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580 aGc->DrawText(iVisualText, editRect, baseLine, |
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581 CGraphicsContext::ERight,KGapLeftOfEachLine); |
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582 } |
|
583 } |
|
584 // draw text selection (if any) |
|
585 TInt selectionLength = iDisplayTextCurSel.Length(); |
|
586 if( selectionLength > 0 && (iCursorVisible||iCursorSelVisible) ) |
|
587 { |
|
588 // calculate the bounding rectancle of the selected text |
|
589 DrawSelection(); |
|
590 } |
|
591 iInsertionPoint->Draw(aGc, ETrue); |
|
592 |
|
593 aGc->DiscardFont(); |
|
594 } |
|
595 aGc->CancelClippingRegion(); |
|
596 } |
|
597 |
|
598 // --------------------------------------------------------------------------- |
|
599 // CFepLayoutEditAreaBase::SetPositionOfInsertionPointInBuffer |
|
600 // Sets the position of the cursor within the buffer, i.e. |
|
601 // what is the ordinal of the character where the cursor is. |
|
602 // (other items were commented in a header). |
|
603 // --------------------------------------------------------------------------- |
|
604 // |
|
605 EXPORT_C void CFepLayoutEditAreaBase::SetPositionOfInsertionPointInBuffer( |
|
606 TInt& aPositionOfInsertionPointInBuffer) |
|
607 { |
|
608 SetPositionOfInsertionPointInBuffer(aPositionOfInsertionPointInBuffer, |
|
609 aPositionOfInsertionPointInBuffer); |
|
610 //make sure anchor pos is ajusted |
|
611 iDisplayTextCurSel.iAnchorPos = iDisplayTextCurSel.iCursorPos; |
|
612 iSelectedCompositionText.iAnchorPos = iSelectedCompositionText.iCursorPos; |
|
613 } |
|
614 |
|
615 // --------------------------------------------------------------------------- |
|
616 // CFepLayoutEditAreaBase::SetPositionOfInsertionPointInBuffer |
|
617 // See previous. In addition adjusts the anchor position also |
|
618 // (other items were commented in a header). |
|
619 // --------------------------------------------------------------------------- |
|
620 // |
|
621 void CFepLayoutEditAreaBase::SetPositionOfInsertionPointInBuffer( |
|
622 TInt& aPositionOfInsertionPointInBuffer, TInt& aPositionOfAnchorInBuffer) |
|
623 { |
|
624 TInt lastCurPos = iDisplayTextCurSel.iCursorPos; |
|
625 |
|
626 iDisplayTextCurSel.iCursorPos = aPositionOfInsertionPointInBuffer + iDisplayTextOffset; |
|
627 iDisplayTextCurSel.iAnchorPos = aPositionOfAnchorInBuffer + iDisplayTextOffset; |
|
628 AdjustSelectedCompositionText(iDisplayTextCurSel.iCursorPos); |
|
629 |
|
630 iSelectedCompositionText.iCursorPos = iDisplayTextCurSel.iCursorPos + iRelativePos; |
|
631 iSelectedCompositionText.iAnchorPos = iDisplayTextCurSel.iAnchorPos + iRelativePos; |
|
632 |
|
633 if (lastCurPos != iDisplayTextCurSel.iCursorPos) |
|
634 { |
|
635 ReportEvent(EEventSetAppCursorSelection); |
|
636 } |
|
637 } |
|
638 |
|
639 // --------------------------------------------------------------------------- |
|
640 // CFepLayoutEditAreaBase::PositionOfInsertionPointOnWindow |
|
641 // Calculates coordinates where the cursor should be drawn |
|
642 // (other items were commented in a header). |
|
643 // --------------------------------------------------------------------------- |
|
644 // |
|
645 EXPORT_C TPoint CFepLayoutEditAreaBase::PositionOfInsertionPointOnWindow() |
|
646 { |
|
647 // default position, this is returned if there is no text in the buffer |
|
648 TPoint position =iCorrectedRect.iTl; |
|
649 |
|
650 if(iBuffer) |
|
651 { |
|
652 TInt pos = iDisplayTextCurSel.iCursorPos - iDisplayTextOffset; |
|
653 if(pos < 0) |
|
654 { |
|
655 pos = 0; |
|
656 } |
|
657 position = PositionInWindow(pos); |
|
658 } |
|
659 |
|
660 return position; |
|
661 } |
|
662 |
|
663 |
|
664 // --------------------------------------------------------------------------- |
|
665 // CVkbEditArea::PositionInWindow |
|
666 // Calculates the position of a character in iDisplayText |
|
667 // as pixels relative to the parent window |
|
668 // (other items were commented in a header). |
|
669 // --------------------------------------------------------------------------- |
|
670 // |
|
671 EXPORT_C TPoint CFepLayoutEditAreaBase::PositionInWindow(TInt aCharacterIndex) |
|
672 { |
|
673 TPoint position; |
|
674 if(iFont) |
|
675 position.iY = iCorrectedRect.iTl.iY + (iCorrectedRect.Height() - |
|
676 iFont->HeightInPixels())/2; |
|
677 else |
|
678 position.iY = iCorrectedRect.iTl.iY + (iCorrectedRect.Height()/4); |
|
679 |
|
680 TInt offsetCenter = 0; |
|
681 |
|
682 if(isCenter) |
|
683 { |
|
684 offsetCenter = (iCorrectedRect.Width() - iFont->TextWidthInPixels(iDisplayText))/2; |
|
685 } |
|
686 |
|
687 if ( iTextDirection ==TBidiText::ELeftToRight ) |
|
688 { |
|
689 if(aCharacterIndex < 0) |
|
690 { |
|
691 // index too small, set the point to the beginning of iCorrectedRect |
|
692 position.iX = iCorrectedRect.iTl.iX + offsetCenter; |
|
693 } |
|
694 else if (aCharacterIndex > iDisplayText.Length()) |
|
695 { |
|
696 // index too big, set the point to the end of iCorrectedRect |
|
697 position.iX = iCorrectedRect.iBr.iX - offsetCenter; |
|
698 } |
|
699 else |
|
700 { |
|
701 // calculate the position of the character relative to parent window |
|
702 position.iX = KGapLeftOfEachLine + iCorrectedRect.iTl.iX; |
|
703 if(iFont) |
|
704 { |
|
705 position.iX += TextWidth( 0, aCharacterIndex ) + offsetCenter; |
|
706 } |
|
707 } |
|
708 } |
|
709 else |
|
710 { |
|
711 if(aCharacterIndex < 0) |
|
712 { |
|
713 position.iX = iCorrectedRect.iBr.iX - offsetCenter; |
|
714 } |
|
715 else if (aCharacterIndex > iDisplayText.Length()) |
|
716 { |
|
717 position.iX = iCorrectedRect.iTl.iX + offsetCenter; |
|
718 } |
|
719 else |
|
720 { |
|
721 position.iX = iCorrectedRect.iBr.iX - KGapLeftOfEachLine; |
|
722 if( iFont && ( aCharacterIndex > 0) ) |
|
723 { |
|
724 /*TInt count = 0; |
|
725 for ( TInt i = aCharacterIndex-1; i > 0; i-- ) |
|
726 { |
|
727 if ( CharDirection( iDisplayText[i] ) == iTextDirection ) |
|
728 { |
|
729 break; |
|
730 } |
|
731 else |
|
732 { |
|
733 count++; |
|
734 } |
|
735 } |
|
736 position.iX -= TextWidth( 0, aCharacterIndex-count );*/ |
|
737 position.iX -= TextWidth( 0, aCharacterIndex ) + offsetCenter; |
|
738 } |
|
739 } |
|
740 } |
|
741 |
|
742 return position; |
|
743 } |
|
744 |
|
745 // --------------------------------------------------------------------------- |
|
746 // CVkbEditArea::PositionInDisplayText |
|
747 // Gets the character offset in the text buffer |
|
748 // of the given screen coordinate |
|
749 // (other items were commented in a header). |
|
750 // --------------------------------------------------------------------------- |
|
751 // |
|
752 EXPORT_C TInt CFepLayoutEditAreaBase::PositionInDisplayText(TInt aX) const |
|
753 { |
|
754 TInt retVal; |
|
755 |
|
756 if(!iBuffer || !iFont) |
|
757 { |
|
758 // Edit area was empty, position is zero |
|
759 retVal = 0; |
|
760 } |
|
761 else |
|
762 { |
|
763 TInt offsetCenter = 0; |
|
764 if(isCenter) |
|
765 { |
|
766 offsetCenter = (iCorrectedRect.Width() - iFont->TextWidthInPixels(iDisplayText))/2; |
|
767 } |
|
768 |
|
769 // get the distance of the cursor from the beginning of iCorrectedRect |
|
770 TInt cursorDistance; |
|
771 |
|
772 if ( iTextDirection == TBidiText::ELeftToRight) |
|
773 { |
|
774 cursorDistance = aX - iCorrectedRect.iTl.iX - KGapLeftOfEachLine - offsetCenter; |
|
775 } |
|
776 else |
|
777 { |
|
778 cursorDistance = iCorrectedRect.iBr.iX - aX - KGapLeftOfEachLine - offsetCenter; |
|
779 } |
|
780 |
|
781 TInt maxWidth = iCorrectedRect.Width() - KGapLeftOfEachLine; |
|
782 if(cursorDistance < 0) |
|
783 { |
|
784 cursorDistance = 0; |
|
785 } |
|
786 else |
|
787 { |
|
788 cursorDistance = cursorDistance > maxWidth ? maxWidth : cursorDistance; |
|
789 } |
|
790 // get the index of the cursor |
|
791 retVal = iFont->TextCount(iDisplayText, cursorDistance); |
|
792 |
|
793 /*for ( TInt i = retVal; i < iDisplayText.Length(); i++ ) |
|
794 { |
|
795 if ( CharDirection( iDisplayText[i] ) == iTextDirection ) |
|
796 { |
|
797 break; |
|
798 } |
|
799 else |
|
800 { |
|
801 retVal++; |
|
802 } |
|
803 }*/ |
|
804 |
|
805 if ( retVal < iDisplayText.Length() ) |
|
806 { |
|
807 TInt textWidth = iFont->TextWidthInPixels( iDisplayText.Mid( retVal,1 ) ); |
|
808 TInt offsetWidth = cursorDistance - iFont->TextWidthInPixels(iDisplayText.Left( retVal )); |
|
809 if ( offsetWidth > textWidth/2 ) |
|
810 { |
|
811 retVal++; |
|
812 } |
|
813 } |
|
814 } |
|
815 |
|
816 return retVal; |
|
817 } |
|
818 |
|
819 |
|
820 // --------------------------------------------------------------------------- |
|
821 // CFepLayoutEditAreaBase::SetTextColor |
|
822 // Sets the color of the text |
|
823 // (other items were commented in a header). |
|
824 // --------------------------------------------------------------------------- |
|
825 // |
|
826 EXPORT_C void CFepLayoutEditAreaBase::SetTextColor(const TRgb aColor) |
|
827 { |
|
828 iTextColor = aColor; |
|
829 } |
|
830 |
|
831 // --------------------------------------------------------------------------- |
|
832 // CVkbEditArea::ScrollLeft |
|
833 // Scrolls selection to the left exposing more text |
|
834 // (other items were commented in a header). |
|
835 // --------------------------------------------------------------------------- |
|
836 // |
|
837 void CFepLayoutEditAreaBase::ScrollLeft() |
|
838 { |
|
839 |
|
840 iScrolling = ETrue; |
|
841 if(iBuffer) |
|
842 { |
|
843 TInt cursorPos = iSelectedCompositionText.iCursorPos; |
|
844 TInt anchorPos = iSelectedCompositionText.iAnchorPos; |
|
845 // decrease the cursor position, the anchor remains unchanged |
|
846 /* TInt index = iDisplayTextCurSel.iCursorPos-1; |
|
847 index = ( index < 0 )? 0:index; |
|
848 index = ( index > iDisplayText.Length()-1 )? iDisplayText.Length()-1:index; |
|
849 if ( CharDirection(iDisplayText[index]) == TBidiText::ELeftToRight )*/ |
|
850 if ( iTextDirection == TBidiText::ELeftToRight ) |
|
851 { |
|
852 cursorPos--; |
|
853 } |
|
854 else |
|
855 { |
|
856 cursorPos++; |
|
857 } |
|
858 |
|
859 UpdateContent(TCursorSelection(cursorPos, anchorPos) ); |
|
860 |
|
861 if( (anchorPos == iSelectedCompositionText.iAnchorPos) && |
|
862 (cursorPos == iSelectedCompositionText.iCursorPos) ) |
|
863 { |
|
864 return; |
|
865 } |
|
866 else |
|
867 { |
|
868 ReportEvent(EEventSetAppCursorSelection); |
|
869 } |
|
870 } |
|
871 } |
|
872 |
|
873 |
|
874 // --------------------------------------------------------------------------- |
|
875 // CVkbEditArea::ScrollRight |
|
876 // Scrolls selection to the right exposing more text |
|
877 // (other items were commented in a header). |
|
878 // --------------------------------------------------------------------------- |
|
879 // |
|
880 void CFepLayoutEditAreaBase::ScrollRight() |
|
881 { |
|
882 |
|
883 iScrolling = ETrue; |
|
884 if(iBuffer) |
|
885 { |
|
886 // increase the cursor position, the anchor remains unchanged |
|
887 TInt cursorPos = iSelectedCompositionText.iCursorPos; |
|
888 TInt anchorPos = iSelectedCompositionText.iAnchorPos; |
|
889 |
|
890 /*TInt index = iDisplayTextCurSel.iCursorPos-1; |
|
891 index = ( index < 0 )? 0:index; |
|
892 index = ( index > iDisplayText.Length()-1 )? iDisplayText.Length()-1:index; |
|
893 if ( CharDirection(iDisplayText[index]) == TBidiText::ELeftToRight )*/ |
|
894 if ( iTextDirection == TBidiText::ELeftToRight ) |
|
895 { |
|
896 cursorPos++; |
|
897 } |
|
898 else |
|
899 { |
|
900 cursorPos--; |
|
901 } |
|
902 |
|
903 UpdateContent(TCursorSelection(cursorPos, anchorPos) ); |
|
904 |
|
905 if( (anchorPos == iSelectedCompositionText.iAnchorPos) && |
|
906 (cursorPos == iSelectedCompositionText.iCursorPos) ) |
|
907 { |
|
908 return; |
|
909 } |
|
910 else |
|
911 { |
|
912 ReportEvent(EEventSetAppCursorSelection); |
|
913 } |
|
914 } |
|
915 } |
|
916 |
|
917 // --------------------------------------------------------------------------- |
|
918 // CFepLayoutEditAreaBase::PrepareForFocusLoss |
|
919 // Sets the color of the text |
|
920 // (other items were commented in a header). |
|
921 // --------------------------------------------------------------------------- |
|
922 // |
|
923 EXPORT_C void CFepLayoutEditAreaBase::PrepareForFocusLoss() |
|
924 { |
|
925 iInsertionPoint->SetOn(EFalse); |
|
926 iHasFocus = EFalse; |
|
927 |
|
928 ReportEvent(EEventControlFocusLost); |
|
929 } |
|
930 |
|
931 // --------------------------------------------------------------------------- |
|
932 // CFepLayoutEditAreaBase::PrepareForFocusGain |
|
933 // Sets the color of the text |
|
934 // (other items were commented in a header). |
|
935 // --------------------------------------------------------------------------- |
|
936 // |
|
937 EXPORT_C TBool CFepLayoutEditAreaBase::PrepareForFocusGain() |
|
938 { |
|
939 if (CursorVisible()) |
|
940 { |
|
941 iInsertionPoint->SetOn(ETrue); |
|
942 } |
|
943 iHasFocus = ETrue; |
|
944 ReportEvent(EEventControlFocusGained); |
|
945 |
|
946 return ETrue; |
|
947 } |
|
948 |
|
949 void CFepLayoutEditAreaBase::IncreaseBufferL(TInt aLength) |
|
950 { |
|
951 if ( !iBuffer ) |
|
952 { |
|
953 iBuffer = HBufC::NewL( aLength + KAddBufLen ); |
|
954 } |
|
955 else if ( iBuffer->Length() + aLength > iBuffer->Des().MaxLength() ) |
|
956 { |
|
957 //delete iBuffer; |
|
958 //iBuffer = NULL; |
|
959 iBuffer = iBuffer->ReAllocL( iBuffer->Length() + aLength + KAddBufLen); |
|
960 } |
|
961 } |
|
962 |
|
963 EXPORT_C void CFepLayoutEditAreaBase::SetTextAlignmentL(TInt aAlignment) |
|
964 { |
|
965 switch (aAlignment) |
|
966 { |
|
967 case EAknEditorAlignCenter: |
|
968 isCenter = ETrue; |
|
969 break; |
|
970 default: |
|
971 isCenter = EFalse; |
|
972 break; |
|
973 } |
|
974 |
|
975 } |
|
976 |
|
977 |
|
978 // --------------------------------------------------------------------------- |
|
979 // CFepLayoutEditAreaBase::SetTextL |
|
980 // Sets the text to be displayed |
|
981 // (other items were commented in a header). |
|
982 // --------------------------------------------------------------------------- |
|
983 // |
|
984 EXPORT_C void CFepLayoutEditAreaBase::SetTextL( const TFepInputContextFieldData& aData ) |
|
985 { |
|
986 iSelectedCompositionText.iCursorPos = aData.iCurSel.iCursorPos; |
|
987 iSelectedCompositionText.iAnchorPos = aData.iCurSel.iAnchorPos; |
|
988 |
|
989 IncreaseBufferL( aData.iText.Length() ); |
|
990 |
|
991 TPtr ptr = iBuffer->Des(); |
|
992 |
|
993 switch ( aData.iCmd ) |
|
994 { |
|
995 case EPeninputICFInitial: |
|
996 { |
|
997 if ( aData.iFlag & EFepICFDataDirectionMFNE ) |
|
998 { |
|
999 iMfneEditor = ETrue; |
|
1000 } |
|
1001 else |
|
1002 { |
|
1003 iMfneEditor = EFalse; |
|
1004 } |
|
1005 ptr = aData.iText; |
|
1006 if ( aData.iFlag == EFepICFDataDirectionRTL ) |
|
1007 { |
|
1008 iTextDirection = TBidiText::ERightToLeft; |
|
1009 } |
|
1010 else |
|
1011 { |
|
1012 iTextDirection = TBidiText::ELeftToRight; |
|
1013 } |
|
1014 } |
|
1015 break; |
|
1016 case EPeninputICFReplace: |
|
1017 { |
|
1018 if(aData.iStartPos > ptr.Length() || |
|
1019 aData.iStartPos + aData.iLength > ptr.Length()) |
|
1020 { |
|
1021 return; |
|
1022 } |
|
1023 ptr.Replace( aData.iStartPos, aData.iLength, aData.iText ); |
|
1024 |
|
1025 if ( aData.iMidPos >= 0 ) |
|
1026 { |
|
1027 //inline |
|
1028 } |
|
1029 |
|
1030 } |
|
1031 break; |
|
1032 case EPeninputICFDelete: |
|
1033 { |
|
1034 if(aData.iStartPos > ptr.Length()) |
|
1035 { |
|
1036 return; |
|
1037 } |
|
1038 ptr.Delete( aData.iStartPos, aData.iLength ); |
|
1039 } |
|
1040 break; |
|
1041 case EPeninputICFSetCurSel: |
|
1042 { |
|
1043 break; |
|
1044 } |
|
1045 default: |
|
1046 { |
|
1047 return; |
|
1048 } |
|
1049 } |
|
1050 |
|
1051 UpdateText( aData ); |
|
1052 |
|
1053 CalculateDisplayTextL(); |
|
1054 |
|
1055 SetCursorVisible( aData.iCursorVisibility, aData.iCursorSelVisible ); |
|
1056 |
|
1057 iInsertionPoint->SetPosition(PositionOfInsertionPointOnWindow()); |
|
1058 Draw(); |
|
1059 UpdateArea(Rect(),EFalse); |
|
1060 } |
|
1061 |
|
1062 void CFepLayoutEditAreaBase::UpdateText( const TFepInputContextFieldData& aData ) |
|
1063 { |
|
1064 if ( !iTextIsSecret ) |
|
1065 { |
|
1066 return; |
|
1067 } |
|
1068 |
|
1069 TPtr ptr = iBuffer->Des(); |
|
1070 |
|
1071 switch( aData.iCmd ) |
|
1072 { |
|
1073 case EPeninputICFInitial: |
|
1074 { |
|
1075 ptr.Fill( '*', ptr.Length() ); |
|
1076 } |
|
1077 break; |
|
1078 case EPeninputICFReplace: |
|
1079 { |
|
1080 if ( iSecretTextTimer->IsActive() ) |
|
1081 { |
|
1082 iSecretTextTimer->Cancel(); |
|
1083 TBuf<1> buf; |
|
1084 buf.Append( '*' ); |
|
1085 |
|
1086 if (aData.iStartPos != 0) |
|
1087 { |
|
1088 ptr.Replace( aData.iStartPos - 1, 1, buf ); |
|
1089 } |
|
1090 } |
|
1091 |
|
1092 iSecretTextTimer->Start( |
|
1093 aData.iText.Length()>1?KSecretInstantShowTimer:KSecretUpdateTimer, |
|
1094 KSecretUpdateTimer, TCallBack( UpdateSecretText, this ) ); |
|
1095 } |
|
1096 break; |
|
1097 case EPeninputICFSetCurSel: |
|
1098 default: |
|
1099 { |
|
1100 break; |
|
1101 } |
|
1102 } |
|
1103 } |
|
1104 // --------------------------------------------------------------------------- |
|
1105 // CFepLayoutEditAreaBase::UpdateCursorSelection |
|
1106 // update cursor |
|
1107 // (other items were commented in a header). |
|
1108 // --------------------------------------------------------------------------- |
|
1109 // |
|
1110 EXPORT_C void CFepLayoutEditAreaBase::UpdateCursorSelection( const TCursorSelection& aCursorSel) |
|
1111 { |
|
1112 if( (aCursorSel.iAnchorPos == iSelectedCompositionText.iAnchorPos) && |
|
1113 (aCursorSel.iCursorPos == iSelectedCompositionText.iCursorPos) ) |
|
1114 { |
|
1115 return; |
|
1116 } |
|
1117 |
|
1118 iSelectedCompositionText = aCursorSel; |
|
1119 |
|
1120 TRAP_IGNORE(CalculateDisplayTextL()); |
|
1121 |
|
1122 iInsertionPoint->SetPosition(PositionOfInsertionPointOnWindow()); |
|
1123 Draw(); |
|
1124 UpdateArea(Rect(),EFalse); |
|
1125 } |
|
1126 |
|
1127 // --------------------------------------------------------------------------- |
|
1128 // CFepLayoutEditAreaBase::CalculateDisplayTextL |
|
1129 // calcuate display text according to text and cursor |
|
1130 // (other items were commented in a header). |
|
1131 // --------------------------------------------------------------------------- |
|
1132 // |
|
1133 void CFepLayoutEditAreaBase::CalculateDisplayTextL() |
|
1134 { |
|
1135 if(!iBuffer || !iFont) |
|
1136 { |
|
1137 return; |
|
1138 } |
|
1139 |
|
1140 TInt cursorPos = iSelectedCompositionText.iCursorPos; |
|
1141 |
|
1142 // finding a paragraph include current cursor selection |
|
1143 TInt beginPos = iBuffer->Left( cursorPos ).LocateReverse(KParagraphSeperator); |
|
1144 beginPos = beginPos < 0? 0 : beginPos + 1; |
|
1145 |
|
1146 if( cursorPos > iBuffer->Length() ) |
|
1147 { |
|
1148 return; |
|
1149 } |
|
1150 |
|
1151 TInt endPos = iBuffer->Mid( cursorPos ).Locate(KParagraphSeperator); |
|
1152 endPos = endPos < 0? iBuffer->Des().Length() - 1 : endPos + cursorPos - 1; |
|
1153 |
|
1154 cursorPos -= beginPos; |
|
1155 iDisplayTextCurSel.iCursorPos = iSelectedCompositionText.iCursorPos - beginPos; |
|
1156 iDisplayTextCurSel.iAnchorPos = iSelectedCompositionText.iAnchorPos - beginPos; |
|
1157 |
|
1158 iDisplayText.Set( iBuffer->Mid( beginPos, endPos - beginPos +1 ) ); |
|
1159 iRelativePos = beginPos; |
|
1160 |
|
1161 iDisplayTextOffset = 0; |
|
1162 |
|
1163 TInt width = iFont->TextWidthInPixels(iDisplayText);//*iBuffer |
|
1164 |
|
1165 // get visual text and direction |
|
1166 delete iVisualBuffer; |
|
1167 iVisualBuffer = NULL; |
|
1168 iVisualBuffer = HBufC::NewL(iDisplayText.Length() + TBidiLogicalToVisual::KMinCharAvailable); |
|
1169 //CleanupStack::PushL( iVisualBuffer ); |
|
1170 if ( iMfneEditor ) |
|
1171 { |
|
1172 TPtr text = iVisualBuffer->Des(); |
|
1173 AknBidiTextUtils::ConvertToVisualAndClip(iDisplayText, text, *iFont, width, width); |
|
1174 iVisualText.Set( text ); |
|
1175 } |
|
1176 else |
|
1177 { |
|
1178 iVisualText.Set( iDisplayText ); |
|
1179 } |
|
1180 //CleanupStack::Pop(); |
|
1181 |
|
1182 TInt rectWidth = iCorrectedRect.Width(); |
|
1183 |
|
1184 TInt partRectWidth = iCorrectedRect.Width() - |
|
1185 Max(KDefaultRightMargin, iFont->MaxNormalCharWidthInPixels()); |
|
1186 |
|
1187 TPtrC left = iDisplayText.Left(cursorPos); |
|
1188 TInt widthToCursor = iFont->TextWidthInPixels(left); |
|
1189 |
|
1190 TPtrC right = iDisplayText.Mid(cursorPos); |
|
1191 TInt cursorToEnd = iFont->TextWidthInPixels(right); |
|
1192 |
|
1193 if (widthToCursor > rectWidth/2 && cursorToEnd > rectWidth/2) |
|
1194 { |
|
1195 TInt newPos = widthToCursor - (rectWidth/2); |
|
1196 |
|
1197 TInt from = iFont->TextCount(iDisplayText, newPos); |
|
1198 iDisplayTextOffset = from; |
|
1199 iDisplayText.Set(iDisplayText.Mid(iDisplayTextOffset)); |
|
1200 } |
|
1201 else if (widthToCursor > rectWidth/2 && cursorToEnd <= rectWidth/2) |
|
1202 { |
|
1203 TInt newPos = width - partRectWidth; |
|
1204 if(newPos < 0) |
|
1205 { |
|
1206 newPos = 0; |
|
1207 } |
|
1208 |
|
1209 // find the index of the first character |
|
1210 TInt from = iFont->TextCount(iDisplayText, newPos);//*iBuffer |
|
1211 TInt usedWidth = iFont->TextWidthInPixels(iDisplayText.Left(from));//iBuffer |
|
1212 |
|
1213 //if there are half char not displayable (usedWidth < newPos) |
|
1214 //or if usedWidth == newPos but there are chars before, increase "from" |
|
1215 //also because of gap before chars |
|
1216 if (usedWidth <= newPos && newPos != 0) |
|
1217 { |
|
1218 from ++; |
|
1219 } |
|
1220 |
|
1221 iDisplayTextOffset = from; |
|
1222 iDisplayText.Set(iDisplayText.Mid(iDisplayTextOffset)); |
|
1223 } |
|
1224 |
|
1225 if ( iTextDirection == TBidiText::ELeftToRight ) |
|
1226 { |
|
1227 iVisualText.Set(iVisualText.Mid(iDisplayTextOffset)); |
|
1228 } |
|
1229 else |
|
1230 { |
|
1231 iVisualText.Set(iVisualText.Left(iVisualText.Length()-iDisplayTextOffset)); |
|
1232 } |
|
1233 |
|
1234 // clip the end of text if it exceeds editor rectancle |
|
1235 TInt maxCount = iFont->TextCount(iDisplayText,rectWidth); |
|
1236 if(maxCount < iDisplayText.Length()) |
|
1237 { |
|
1238 iDisplayText.Set(iDisplayText.Left(maxCount)); |
|
1239 if ( iTextDirection == TBidiText::ELeftToRight ) |
|
1240 { |
|
1241 iVisualText.Set(iVisualText.Left(maxCount)); |
|
1242 } |
|
1243 else |
|
1244 { |
|
1245 iVisualText.Set(iVisualText.Right(maxCount)); |
|
1246 } |
|
1247 } |
|
1248 } |
|
1249 |
|
1250 // --------------------------------------------------------------------------- |
|
1251 // CFepLayoutEditAreaBase::IsFocused |
|
1252 // |
|
1253 // (other items were commented in a header). |
|
1254 // --------------------------------------------------------------------------- |
|
1255 // |
|
1256 EXPORT_C TBool CFepLayoutEditAreaBase::IsFocused() |
|
1257 { |
|
1258 return iHasFocus; |
|
1259 } |
|
1260 |
|
1261 // --------------------------------------------------------------------------- |
|
1262 // CFepLayoutEditAreaBase::SetFont |
|
1263 // Set font |
|
1264 // (other items were commented in a header). |
|
1265 // --------------------------------------------------------------------------- |
|
1266 // |
|
1267 EXPORT_C void CFepLayoutEditAreaBase::SetFont(const TFontSpec& aFontSpec) |
|
1268 { |
|
1269 iFontSpec = aFontSpec; |
|
1270 if(BitmapDevice()) |
|
1271 { |
|
1272 if(iFontOwnership && iFont) |
|
1273 { |
|
1274 BitmapDevice()->ReleaseFont(iFont); |
|
1275 iFont = NULL; |
|
1276 } |
|
1277 |
|
1278 if (KErrNone != BitmapDevice()->GetNearestFontInPixels(iFont,iFontSpec)) |
|
1279 iFont = NULL; |
|
1280 } |
|
1281 iFontOwnership = ETrue; |
|
1282 if(iFont && iInsertionPoint) |
|
1283 { |
|
1284 iInsertionPoint->SetPosition(PositionOfInsertionPointOnWindow()); |
|
1285 iInsertionPoint->SetHeight(iFont->HeightInPixels()); |
|
1286 } |
|
1287 } |
|
1288 |
|
1289 // --------------------------------------------------------------------------- |
|
1290 // CFepLayoutEditAreaBase::SetFont |
|
1291 // Set font |
|
1292 // (other items were commented in a header). |
|
1293 // --------------------------------------------------------------------------- |
|
1294 // |
|
1295 EXPORT_C void CFepLayoutEditAreaBase::SetFont(const CFont* aFont) |
|
1296 { |
|
1297 |
|
1298 if(BitmapDevice()) |
|
1299 { |
|
1300 if(iFontOwnership && iFont) |
|
1301 { |
|
1302 BitmapDevice()->ReleaseFont(iFont); |
|
1303 } |
|
1304 |
|
1305 iFont = const_cast<CFont*> (aFont); |
|
1306 if(iFont) |
|
1307 iFontSpec = iFont->FontSpecInTwips(); |
|
1308 } |
|
1309 iFontOwnership = EFalse; |
|
1310 |
|
1311 if(iFont && iInsertionPoint) |
|
1312 { |
|
1313 iInsertionPoint->SetPosition(PositionOfInsertionPointOnWindow()); |
|
1314 iInsertionPoint->SetHeight(iFont->HeightInPixels()); |
|
1315 } |
|
1316 } |
|
1317 |
|
1318 // --------------------------------------------------------------------------- |
|
1319 // CFepLayoutEditAreaBase::UpdateArea |
|
1320 // Update layout area |
|
1321 // (other items were commented in a header). |
|
1322 // --------------------------------------------------------------------------- |
|
1323 // |
|
1324 /*void CFepLayoutEditAreaBase::UpdateArea(const TRect& aRect,TBool aUpdateFlag) |
|
1325 { |
|
1326 CFepUiBaseCtrl::UpdateArea(aRect,aUpdateFlag); |
|
1327 } |
|
1328 */ |
|
1329 // --------------------------------------------------------------------------- |
|
1330 // CFepLayoutEditAreaBase::Move |
|
1331 // Move the window |
|
1332 // (other items were commented in a header). |
|
1333 // --------------------------------------------------------------------------- |
|
1334 // |
|
1335 EXPORT_C void CFepLayoutEditAreaBase::Move(const TPoint& aOffset) |
|
1336 { |
|
1337 CFepUiBaseCtrl::Move(aOffset); |
|
1338 //move text rect |
|
1339 iCorrectedRect.Move(aOffset); |
|
1340 //move cursor |
|
1341 if(iInsertionPoint) |
|
1342 { |
|
1343 TPoint curPos = iInsertionPoint->Position(); |
|
1344 curPos += aOffset; |
|
1345 iInsertionPoint->SetPosition(PositionOfInsertionPointOnWindow()); |
|
1346 } |
|
1347 } |
|
1348 |
|
1349 // --------------------------------------------------------------------------- |
|
1350 // CFepLayoutEditAreaBase::CancelPointerDownL |
|
1351 // Move the window |
|
1352 // (other items were commented in a header). |
|
1353 // --------------------------------------------------------------------------- |
|
1354 // |
|
1355 EXPORT_C void CFepLayoutEditAreaBase::CancelPointerDownL() |
|
1356 { |
|
1357 if (PointerDown()) |
|
1358 { |
|
1359 SetPointerDown(EFalse); |
|
1360 if(iDisplayTextCurSel.Length() && (iCursorVisible||iCursorSelVisible)) |
|
1361 { |
|
1362 TRect rect = DrawSelection(); |
|
1363 UpdateArea(rect,EFalse); |
|
1364 } |
|
1365 } |
|
1366 } |
|
1367 |
|
1368 // --------------------------------------------------------------------------- |
|
1369 // CFepLayoutEditAreaBase::HandlePointerLeave |
|
1370 // Handle pointer leave event |
|
1371 // --------------------------------------------------------------------------- |
|
1372 // |
|
1373 EXPORT_C void CFepLayoutEditAreaBase::HandlePointerLeave(const TPoint& aPt) |
|
1374 { |
|
1375 /*if(iDisplayTextCurSel.Length()) |
|
1376 { |
|
1377 TRect rect = DrawSelection(); |
|
1378 UpdateArea(rect,ETrue); |
|
1379 iDisplayTextCurSel.SetSelection(0,0); |
|
1380 iInsertionPoint->SetOn(ETrue); |
|
1381 } */ |
|
1382 if (iDimmed || !(iCursorVisible||iCursorSelVisible)) |
|
1383 { |
|
1384 return; |
|
1385 } |
|
1386 |
|
1387 CFepUiBaseCtrl::HandlePointerLeave(aPt); |
|
1388 } |
|
1389 |
|
1390 |
|
1391 // --------------------------------------------------------------------------- |
|
1392 // CFepLayoutEditAreaBase::SetFocus |
|
1393 // Set editor focus |
|
1394 // --------------------------------------------------------------------------- |
|
1395 // |
|
1396 EXPORT_C void CFepLayoutEditAreaBase::SetFocus(TBool aFlag) |
|
1397 { |
|
1398 if(aFlag == iHasFocus) |
|
1399 return;// do nothing is no status changed. |
|
1400 if(aFlag) //gain focus |
|
1401 { |
|
1402 PrepareForFocusGain(); |
|
1403 } |
|
1404 else |
|
1405 { |
|
1406 PrepareForFocusLoss(); |
|
1407 } |
|
1408 } |
|
1409 |
|
1410 // --------------------------------------------------------------------------- |
|
1411 // CFepLayoutEditAreaBase::AdjustSelectedCompositionText |
|
1412 // Adjust cursor |
|
1413 // --------------------------------------------------------------------------- |
|
1414 // |
|
1415 EXPORT_C void CFepLayoutEditAreaBase::AdjustSelectedCompositionText( |
|
1416 TInt& aPositionOfInsertionPointInBuffer) |
|
1417 { |
|
1418 if(!iBuffer) |
|
1419 { |
|
1420 aPositionOfInsertionPointInBuffer = 0; |
|
1421 return; |
|
1422 } |
|
1423 |
|
1424 if(aPositionOfInsertionPointInBuffer < 0) |
|
1425 { |
|
1426 aPositionOfInsertionPointInBuffer = 0; |
|
1427 } |
|
1428 |
|
1429 if(aPositionOfInsertionPointInBuffer > iBuffer->Length()) |
|
1430 { |
|
1431 aPositionOfInsertionPointInBuffer = iBuffer->Length(); |
|
1432 } |
|
1433 |
|
1434 } |
|
1435 |
|
1436 // --------------------------------------------------------------------------- |
|
1437 // CFepLayoutEditAreaBase::OnDeActivate |
|
1438 // Response to layout de activation event |
|
1439 // (other items were commented in a header). |
|
1440 // --------------------------------------------------------------------------- |
|
1441 // |
|
1442 EXPORT_C void CFepLayoutEditAreaBase::OnDeActivate() |
|
1443 { |
|
1444 CFepUiBaseCtrl::OnDeActivate(); |
|
1445 //cancel the insertion pointer timer |
|
1446 if(iHasFocus) |
|
1447 iInsertionPoint->SetOn(EFalse); |
|
1448 |
|
1449 DisableRegionUpdating(); //temp fix for font problem when layout is destroyed. |
|
1450 |
|
1451 } |
|
1452 |
|
1453 // --------------------------------------------------------------------------- |
|
1454 // CFepLayoutEditAreaBase::OnActivate |
|
1455 // Response to layout activation event |
|
1456 // (other items were commented in a header). |
|
1457 // --------------------------------------------------------------------------- |
|
1458 // |
|
1459 EXPORT_C void CFepLayoutEditAreaBase::OnActivate() |
|
1460 { |
|
1461 CFepUiBaseCtrl::OnActivate(); |
|
1462 EnableRegionUpdating(); |
|
1463 //set cursor if needed |
|
1464 //cancel the insertion pointer timer |
|
1465 iOverlappedCtrlList.Reset(); |
|
1466 TBool on = iCursorVisible && iHasFocus; |
|
1467 //TBool on = iCursorVisible && iHasFocus && (iOverlappedCtrlList.Count() <= 0) ; |
|
1468 //iInsertionPoint->SetOn(iCursorVisible && iHasFocus); |
|
1469 iInsertionPoint->SetOn(on); |
|
1470 |
|
1471 } |
|
1472 |
|
1473 // --------------------------------------------------------------------------- |
|
1474 // CFepLayoutEditAreaBase::SetCursorVisible |
|
1475 // Set Cursor Visible |
|
1476 // --------------------------------------------------------------------------- |
|
1477 // |
|
1478 EXPORT_C void CFepLayoutEditAreaBase::SetCursorVisible(TBool aCursorVisibleFlag, |
|
1479 TBool aCursorSelVisibleFlag) |
|
1480 { |
|
1481 if ( (iCursorVisible == aCursorVisibleFlag) && |
|
1482 (iCursorSelVisible == aCursorSelVisibleFlag) ) |
|
1483 { |
|
1484 return; |
|
1485 } |
|
1486 |
|
1487 iCursorVisible = aCursorVisibleFlag; |
|
1488 iCursorSelVisible = aCursorSelVisibleFlag; |
|
1489 iInsertionPoint->SetOn(iCursorVisible && iHasFocus); |
|
1490 } |
|
1491 |
|
1492 // --------------------------------------------------------------------------- |
|
1493 // CFepLayoutEditAreaBase::CursorVisible |
|
1494 // Get Cursor Visible |
|
1495 // --------------------------------------------------------------------------- |
|
1496 // |
|
1497 EXPORT_C TBool CFepLayoutEditAreaBase::CursorVisible() const |
|
1498 { |
|
1499 return iCursorVisible; |
|
1500 } |
|
1501 |
|
1502 EXPORT_C void CFepLayoutEditAreaBase::SetDimmed(TBool aDimFlag) |
|
1503 { |
|
1504 iDimmed = aDimFlag; |
|
1505 } |
|
1506 |
|
1507 // --------------------------------------------------------------------------- |
|
1508 // CFepLayoutEditAreaBase::OnLayoutDraggingStart |
|
1509 // Response to layout dragging start event |
|
1510 // (other items were commented in a header). |
|
1511 // --------------------------------------------------------------------------- |
|
1512 // |
|
1513 EXPORT_C void CFepLayoutEditAreaBase::OnLayoutDraggingStart() |
|
1514 { |
|
1515 iInDragging = ETrue; |
|
1516 } |
|
1517 |
|
1518 // --------------------------------------------------------------------------- |
|
1519 // CFepLayoutEditAreaBase::OnLayoutDraggingEnd |
|
1520 // Response to layout dragging end event |
|
1521 // (other items were commented in a header). |
|
1522 // --------------------------------------------------------------------------- |
|
1523 // |
|
1524 EXPORT_C void CFepLayoutEditAreaBase::OnLayoutDraggingEnd() |
|
1525 { |
|
1526 iInDragging = EFalse; |
|
1527 Draw(); |
|
1528 UpdateArea(Rect(),EFalse); |
|
1529 } |
|
1530 |
|
1531 // --------------------------------------------------------------------------- |
|
1532 // CFepLayoutEditAreaBase::GetEditorFieldMaxLen |
|
1533 // Get the maximum length of the editor field. |
|
1534 // (other items were commented in a header). |
|
1535 // --------------------------------------------------------------------------- |
|
1536 // |
|
1537 EXPORT_C TInt CFepLayoutEditAreaBase::GetEditorFieldMaxLen() |
|
1538 { |
|
1539 TFontSpec curFont; |
|
1540 if( iFont ) |
|
1541 { |
|
1542 _LIT(KMinChars, "..''"); |
|
1543 return iCorrectedRect.Width() * KMinChars().Length()/ iFont->TextWidthInPixels(KMinChars); |
|
1544 } |
|
1545 return iCorrectedRect.Width() / 2; |
|
1546 } |
|
1547 // --------------------------------------------------------------------------- |
|
1548 // CFepLayoutEditAreaBase::UpdateValidRegion |
|
1549 // Update valid region |
|
1550 // (other items were commented in a header). |
|
1551 // --------------------------------------------------------------------------- |
|
1552 // |
|
1553 EXPORT_C void CFepLayoutEditAreaBase::UpdateValidRegion(CFepUiBaseCtrl* /*aCtrl*/, |
|
1554 TBool /*aRemoveFlag*/) |
|
1555 { |
|
1556 return; |
|
1557 /* |
|
1558 //check whether overlaps with others, so as we can show/hide cursor |
|
1559 if(!iUpdateFlagEnabled || !aCtrl || aCtrl == this) |
|
1560 return; // do nothing if not overlapped with ICF cursor |
|
1561 TPoint curPt = PositionOfInsertionPointOnWindow(); |
|
1562 if(aRemoveFlag) //a control is going to be hiden |
|
1563 { |
|
1564 RestoreCursorState(aCtrl); |
|
1565 } |
|
1566 else //a shown control changes rect |
|
1567 { |
|
1568 TInt idx = FindOverlappedCtrl(aCtrl); |
|
1569 if(idx != KErrNotFound) |
|
1570 { |
|
1571 if(aCtrl->Rect().Contains(curPt)) |
|
1572 return; |
|
1573 //restore |
|
1574 RestoreCursorState(idx); |
|
1575 } |
|
1576 else //new control |
|
1577 { |
|
1578 if(!aCtrl->Rect().Contains(curPt)) |
|
1579 return; |
|
1580 |
|
1581 SaveCursorState(aCtrl); |
|
1582 //disable cursor |
|
1583 iInsertionPoint->SetOn(EFalse); |
|
1584 } |
|
1585 }*/ |
|
1586 } |
|
1587 |
|
1588 // --------------------------------------------------------------------------- |
|
1589 // CFepLayoutEditAreaBase::SaveCursorState |
|
1590 // Save current cursor state |
|
1591 // (other items were commented in a header). |
|
1592 // --------------------------------------------------------------------------- |
|
1593 // |
|
1594 void CFepLayoutEditAreaBase::SaveCursorState(CFepUiBaseCtrl* aCtrl) |
|
1595 { |
|
1596 for(TInt i = 0 ; i < iOverlappedCtrlList.Count(); ++i) |
|
1597 { |
|
1598 if(aCtrl == iOverlappedCtrlList[i].iCtrl) |
|
1599 return; |
|
1600 } |
|
1601 TOverlappedInfo ctrlInfo={aCtrl,iInsertionPoint->IsOn()}; |
|
1602 |
|
1603 iOverlappedCtrlList.Append(ctrlInfo); |
|
1604 } |
|
1605 |
|
1606 |
|
1607 // --------------------------------------------------------------------------- |
|
1608 // CFepLayoutEditAreaBase::RestoreCursorState |
|
1609 // Restore cusror state |
|
1610 // (other items were commented in a header). |
|
1611 // --------------------------------------------------------------------------- |
|
1612 // |
|
1613 void CFepLayoutEditAreaBase::RestoreCursorState(TInt aIdx) |
|
1614 { |
|
1615 //no need to check index. as it's checked before called. |
|
1616 iInsertionPoint->SetOn(iOverlappedCtrlList[aIdx].iCursorStateBeforeOverlapped); |
|
1617 iOverlappedCtrlList.Remove(aIdx); |
|
1618 } |
|
1619 |
|
1620 |
|
1621 // --------------------------------------------------------------------------- |
|
1622 // CFepLayoutEditAreaBase::RestoreCursorState |
|
1623 // Restore cusror state |
|
1624 // (other items were commented in a header). |
|
1625 // --------------------------------------------------------------------------- |
|
1626 // |
|
1627 void CFepLayoutEditAreaBase::RestoreCursorState(CFepUiBaseCtrl* aCtrl) |
|
1628 { |
|
1629 //need check whether that control previously overlapped with ICF |
|
1630 TInt idx = FindOverlappedCtrl(aCtrl); |
|
1631 if(idx != KErrNotFound) |
|
1632 RestoreCursorState(idx); |
|
1633 } |
|
1634 |
|
1635 |
|
1636 TInt CFepLayoutEditAreaBase::FindOverlappedCtrl(CFepUiBaseCtrl* aCtrl) |
|
1637 { |
|
1638 for(TInt i = 0 ; i < iOverlappedCtrlList.Count(); ++i) |
|
1639 { |
|
1640 if(aCtrl == iOverlappedCtrlList[i].iCtrl) |
|
1641 return i; |
|
1642 } |
|
1643 return KErrNotFound; |
|
1644 } |
|
1645 |
|
1646 |
|
1647 TInt CFepLayoutEditAreaBase::TextWidth( TInt aStart, TInt aEnd ) |
|
1648 { |
|
1649 CFont::TMeasureTextInput input; |
|
1650 input.iStartInputChar = aStart; |
|
1651 input.iEndInputChar = aEnd; |
|
1652 input.iFlags = 0; |
|
1653 CFbsFont::TMeasureTextOutput output; |
|
1654 TInt width = iFont->MeasureText(iDisplayText, &input, &output); |
|
1655 return width; |
|
1656 } |
|
1657 |
|
1658 // End of File |