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1 /* |
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2 * Copyright (c) 2005-2005 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 insertion point |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 #include "peninputlayoutcursor.h" |
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21 #include "peninputlayouteditareabase.h" |
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22 #include "peninputlayouttimer.h" |
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23 #include "peninputlayoutrootctrl.h" |
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24 |
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25 const TInt KDefaultCursorHeight = 10; |
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26 // ============================ MEMBER FUNCTIONS ============================= |
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27 |
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28 // --------------------------------------------------------------------------- |
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29 // CFepUiCursor::CFepUiCursor |
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30 // C++ default constructor can NOT contain any code, that might leave |
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31 // --------------------------------------------------------------------------- |
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32 // |
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33 CFepUiCursor::CFepUiCursor(const TRect& aRect,CFepUiLayout* aUiLayout,TInt aId) |
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34 :CFepUiBaseCtrl(aRect,aUiLayout,aId), |
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35 iPosition(0, 0), |
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36 iHeight(KDefaultCursorHeight), |
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37 iIsOn(EFalse), |
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38 iIsVisible(EFalse), |
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39 //iEditor(aOwner), |
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40 //iBitmapDevice(aBitmapDevice), |
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41 //iGc(aGc), |
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42 iCursorTempDisabled(EFalse) |
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43 { |
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44 SetControlType(ECtrlCursor); |
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45 } |
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46 |
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47 // --------------------------------------------------------------------------- |
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48 // CFepUiCursor::ConstructL |
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49 // Symbian 2nd phase constructor can leave. |
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50 // --------------------------------------------------------------------------- |
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51 // |
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52 void CFepUiCursor::ConstructL() |
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53 { |
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54 CFepUiBaseCtrl::BaseConstructL(); |
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55 iCursorBlinkingTimer = CPeriodic::NewL(CActive::EPriorityStandard); |
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56 iRestoreCursorTimer = CLayoutTimer::NewL(this,CLayoutTimer::EOthers); |
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57 } |
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58 |
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59 // --------------------------------------------------------------------------- |
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60 // CFepUiCursor::NewL |
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61 // Two-phased constructor. |
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62 // --------------------------------------------------------------------------- |
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63 // |
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64 CFepUiCursor* CFepUiCursor::NewL(const TRect& aRect,CFepUiLayout* aUiLayout,TInt aId) |
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65 { |
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66 CFepUiCursor* self = new(ELeave) CFepUiCursor(aRect, aUiLayout,aId); |
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67 CleanupStack::PushL(self); |
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68 self->ConstructL(); |
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69 CleanupStack::Pop(self); // insertionPoint |
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70 return self; |
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71 } |
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72 |
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73 // --------------------------------------------------------------------------- |
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74 // CFepUiCursor::~CFepUiCursor |
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75 // Destructor |
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76 // --------------------------------------------------------------------------- |
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77 // |
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78 CFepUiCursor::~CFepUiCursor() |
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79 { |
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80 if(iCursorBlinkingTimer) |
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81 { |
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82 iCursorBlinkingTimer->Cancel(); |
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83 delete iCursorBlinkingTimer; |
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84 } |
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85 |
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86 delete iRestoreCursorTimer; |
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87 } |
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88 |
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89 |
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90 // --------------------------------------------------------------------------- |
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91 // CFepUiCursor::SetPosition |
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92 // Sets the position of the sprite if it has been turned on |
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93 // (other items were commented in a header). |
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94 // --------------------------------------------------------------------------- |
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95 // |
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96 EXPORT_C void CFepUiCursor::SetPosition(const TPoint& aPosition) |
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97 { |
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98 |
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99 TBool isOn = iIsOn; |
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100 if (isOn) |
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101 { |
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102 SetOn(EFalse); |
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103 } |
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104 iPosition=aPosition; |
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105 TPoint correction(KCursorPosCorrectionX,KCursorPosCorrectionY ); |
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106 TRect rect = TRect(iPosition + correction , TSize(KCursorWidth,iHeight)); |
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107 if(rect != iCursorRect) |
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108 { |
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109 SetRect(rect); |
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110 iCursorRect = rect; |
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111 //must update clip region again. |
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112 for(TInt i = 0 ; i < RootControl()->PopCtrlList().Count(); ++i) |
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113 { |
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114 UpdateValidRegion(RootControl()->PopCtrlList()[i],EFalse); |
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115 } |
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116 } |
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117 |
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118 if (isOn) |
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119 { |
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120 SetOn(ETrue); |
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121 } |
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122 } |
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123 |
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124 // --------------------------------------------------------------------------- |
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125 // CFepUiCursor::Position |
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126 // get the cursor position |
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127 // --------------------------------------------------------------------------- |
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128 // |
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129 EXPORT_C TPoint CFepUiCursor::Position() |
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130 { |
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131 return iPosition; |
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132 } |
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133 |
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134 // --------------------------------------------------------------------------- |
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135 // CFepUiCursor::SetLayoutOwner |
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136 // Sets the layout owner |
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137 // (other items were commented in a header). |
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138 // --------------------------------------------------------------------------- |
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139 // |
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140 /*void CFepUiCursor::SetLayoutOwner(MLayoutOwner* aOwner) |
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141 { |
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142 iLayoutOwner = aOwner; |
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143 } |
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144 */ |
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145 |
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146 // --------------------------------------------------------------------------- |
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147 // CFepUiCursor::SetOn |
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148 // Turns the sprite on and off |
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149 // (other items were commented in a header). |
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150 // --------------------------------------------------------------------------- |
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151 // |
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152 EXPORT_C void CFepUiCursor::SetOn(TBool aOn, TBool aImmediately) |
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153 { |
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154 //aOn = EFalse; |
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155 iIsOn = aOn; |
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156 |
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157 // If cursor will bee set off and timer is active, Cancel timer |
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158 if ( !iIsOn ) |
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159 { |
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160 CancelDelayCursorShown(); |
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161 if ( iCursorBlinkingTimer->IsActive()) |
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162 { |
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163 iCursorBlinkingTimer->Cancel(); |
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164 } |
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165 } |
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166 else |
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167 { |
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168 if(iCursorTempDisabled) |
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169 { |
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170 return; |
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171 } |
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172 // Activate blinking timer, if it is not already activated |
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173 if ( !iCursorBlinkingTimer->IsActive() ) |
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174 { |
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175 iCursorBlinkingTimer->Start(aImmediately ? 0: KCursorBlinkPerioid, |
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176 KCursorBlinkPerioid,TCallBack(CursorBlinkCallBack , this)); |
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177 } |
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178 } |
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179 |
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180 // Invalidate InsertionPoint's rect, so it will be removed from editarea |
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181 InvalidateInsertionPoint(); |
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182 } |
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183 |
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184 // --------------------------------------------------------------------------- |
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185 // CFepUiCursor::SetHeight |
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186 // Sets caret height |
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187 // (other items were commented in a header). |
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188 // --------------------------------------------------------------------------- |
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189 // |
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190 EXPORT_C void CFepUiCursor::SetHeight(TInt aHeight) |
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191 { |
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192 if(aHeight > 0 && aHeight != iHeight ) |
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193 { |
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194 TBool isOn = iIsOn; |
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195 if (isOn) |
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196 { |
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197 SetOn(EFalse); |
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198 } |
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199 |
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200 iHeight = aHeight; |
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201 //change the cursor rect |
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202 TPoint correction(KCursorPosCorrectionX,KCursorPosCorrectionY ); |
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203 iCursorRect = TRect(iPosition + correction , |
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204 TSize(KCursorWidth,iHeight)); |
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205 if (isOn) |
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206 { |
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207 SetOn(ETrue); |
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208 } |
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209 } |
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210 |
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211 } |
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212 |
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213 EXPORT_C void CFepUiCursor::ReDraw(TBool aReset) |
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214 { |
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215 if(aReset) |
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216 iIsVisible = EFalse; |
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217 Draw(); |
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218 UpdateArea(iCursorRect,EFalse); |
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219 } |
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220 |
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221 |
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222 // --------------------------------------------------------------------------- |
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223 // CFepUiCursor::Draw |
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224 // Draws insertion point's Rect and starts blinking timer |
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225 // (other items were commented in a header). |
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226 // --------------------------------------------------------------------------- |
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227 // |
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228 void CFepUiCursor::Draw()//CBitmapContext* aGc, TBool aReset) |
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229 { |
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230 if(!AbleToDraw()) |
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231 { |
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232 return; |
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233 } |
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234 |
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235 /*if (aReset) |
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236 { |
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237 iIsVisible = EFalse; |
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238 } |
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239 */ |
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240 |
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241 CFbsBitGc* gc = static_cast<CFbsBitGc*>(BitGc()); |
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242 gc->Activate( BitmapDevice()); |
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243 if(iIsOn) |
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244 { |
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245 // draw cursor by inverting colors in the selected text rectancle |
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246 gc->SetClippingRegion(ValidClipRegion()); |
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247 |
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248 gc->SetBrushStyle(CGraphicsContext::ESolidBrush); |
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249 gc->SetBrushColor(KRgbBlack); |
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250 gc->SetDrawMode(CGraphicsContext::EDrawModeNOTSCREEN); |
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251 |
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252 gc->SetPenColor(KRgbBlack); |
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253 gc->SetPenStyle(CGraphicsContext::ESolidPen); |
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254 gc->SetPenSize( TSize(1,1)); |
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255 |
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256 // When the blink timer out and cursor is visible, do nothing |
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257 // else draw the cursor and set the visible flag |
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258 gc->DrawRect(iCursorRect); |
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259 iIsVisible = !iIsVisible; |
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260 |
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261 // restore normal draw mode |
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262 gc->SetDrawMode(CGraphicsContext::EDrawModePEN); |
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263 gc->SetBrushStyle(CGraphicsContext::ENullBrush); |
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264 |
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265 //if (iEditor) |
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266 { |
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267 // iEditor->UpdateArea(iCursorRect,EFalse); |
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268 } |
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269 |
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270 // UpdateArea(iCursorRect,EFalse); |
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271 } |
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272 else |
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273 { |
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274 if(iIsVisible) //only do when already shown |
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275 { |
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276 //CFbsBitmapDevice* bitmapDevice = iEditor->BitmapDevice(); |
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277 //static_cast<CFbsBitGc*>(gc)->Activate(iBitmapDevice); |
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278 gc->SetClippingRegion(ValidClipRegion()); |
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279 gc->SetPenColor(KRgbBlack); |
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280 gc->SetBrushStyle(CGraphicsContext::ESolidBrush); |
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281 gc->SetBrushColor(KRgbBlack); |
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282 gc->SetDrawMode(CGraphicsContext::EDrawModeNOTSCREEN); |
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283 gc->SetPenStyle(CGraphicsContext::ESolidPen); |
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284 gc->SetPenSize( TSize(1,1)); |
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285 gc->DrawRect(iCursorRect); |
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286 |
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287 // restore normal draw mode |
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288 gc->SetDrawMode(CGraphicsContext::EDrawModePEN); |
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289 gc->SetBrushStyle(CGraphicsContext::ENullBrush); |
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290 |
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291 iIsVisible = EFalse; |
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292 |
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293 /*if (iEditor) |
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294 { |
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295 iEditor->UpdateArea(iCursorRect,EFalse); |
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296 }*/ |
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297 // UpdateArea(iCursorRect,EFalse); |
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298 } |
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299 } |
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300 gc->CancelClippingRegion(); |
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301 } |
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302 |
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303 // --------------------------------------------------------------------------- |
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304 // CFepUiCursor::CursorBlinkCallBack |
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305 // Invalidates cursor rect, when timer gets out. |
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306 // With periodic caused draw/undraw of cursor will cause cursor blinking |
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307 // (other items were commented in a header). |
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308 // --------------------------------------------------------------------------- |
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309 // |
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310 TInt CFepUiCursor::CursorBlinkCallBack(TAny *aPtr) |
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311 { |
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312 CFepUiCursor* self = static_cast<CFepUiCursor*>(aPtr); |
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313 |
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314 self->InvalidateInsertionPoint(); |
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315 |
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316 return(ETrue); |
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317 } |
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318 |
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319 // --------------------------------------------------------------------------- |
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320 // CFepUiCursor::InvalidateCursor |
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321 // Invalidates InsertionPoint's rect |
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322 // (other items were commented in a header). |
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323 // --------------------------------------------------------------------------- |
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324 // |
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325 void CFepUiCursor::InvalidateInsertionPoint() |
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326 { |
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327 //if(iEditor) |
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328 { |
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329 Draw(); |
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330 UpdateArea(iCursorRect,EFalse); |
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331 } |
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332 } |
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333 |
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334 // --------------------------------------------------------------------------- |
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335 // CFepUiCursor::DelayCursorWhileDraging |
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336 // Disable the cursor while pen is draging |
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337 // (other items were commented in a header). |
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338 // --------------------------------------------------------------------------- |
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339 // |
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340 EXPORT_C void CFepUiCursor::DelayCursorWhileDraging() |
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341 { |
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342 DelayCursorShown(); |
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343 } |
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344 |
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345 // --------------------------------------------------------------------------- |
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346 // CFepUiCursor::DelayCursorShown |
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347 // Disable the cursor while pen is draging |
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348 // (other items were commented in a header). |
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349 // --------------------------------------------------------------------------- |
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350 EXPORT_C void CFepUiCursor::DelayCursorShown() |
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351 { |
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352 if(!iIsOn && !iCursorTempDisabled) // do nothing is cursor is off |
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353 return; |
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354 |
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355 if(!iCursorTempDisabled) |
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356 { |
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357 SetOn(EFalse); // disable the cursor |
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358 iCursorTempDisabled = ETrue; |
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359 } |
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360 iRestoreCursorTimer->SetTimer(KCursorBlinkPerioid); |
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361 } |
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362 // --------------------------------------------------------------------------- |
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363 // cancel delay shown process |
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364 // --------------------------------------------------------------------------- |
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365 // |
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366 void CFepUiCursor::CancelDelayCursorShown() |
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367 { |
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368 iRestoreCursorTimer->Cancel(); |
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369 iCursorTempDisabled = EFalse; |
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370 } |
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371 // --------------------------------------------------------------------------- |
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372 // CFepUiCursor::HandleTimerOut |
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373 // Set the cursor on |
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374 // (other items were commented in a header). |
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375 // --------------------------------------------------------------------------- |
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376 // |
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377 void CFepUiCursor::HandleTimerOut(TInt /*aTimeType*/) |
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378 { |
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379 iCursorTempDisabled = EFalse; |
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380 iIsOn = ETrue; |
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381 //To avoid the ugly first shown, we draw the cursor directly here. |
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382 InvalidateInsertionPoint(); |
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383 SetOn(ETrue, EFalse); |
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384 } |
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385 |
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386 |
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387 // --------------------------------------------------------------------------- |
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388 // CFepUiCursor::UpdateValidRegion |
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389 // Update control's valid region when other control show or hide. |
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390 // (other items were commented in a header). |
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391 // --------------------------------------------------------------------------- |
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392 // |
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393 EXPORT_C void CFepUiCursor::UpdateValidRegion(CFepUiBaseCtrl* aCtrl,TBool aRemoveFlag) |
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394 { |
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395 if(!iUpdateFlagEnabled) |
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396 return; |
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397 |
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398 if(aRemoveFlag) |
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399 { |
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400 } |
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401 else |
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402 { |
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403 if(aCtrl->Hiden()) |
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404 return; |
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405 TRect rect = Rect(); |
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406 rect.Intersection(aCtrl->Rect()); |
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407 iValidRegion.SubRect(rect); |
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408 iClipRegion.SubRect(rect); |
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409 } |
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410 //iValidRegion.AddRect(iRect); |
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411 return; |
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412 } |
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413 |
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414 TInt CFepUiCursor::OrderPos() |
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415 { |
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416 TInt ret = 0; |
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417 TRAP_IGNORE(ret = OrderPosL()); |
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418 return ret; |
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419 } |
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420 |
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421 TInt CFepUiCursor::OrderPosL() |
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422 { |
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423 __ASSERT_DEBUG(iEditor,User::Leave(EUiCursorNoOwner)); |
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424 return iEditor->OrderPos(); |
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425 } |
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426 |
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427 |
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428 void CFepUiCursor::ResetValidClipRegion() |
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429 { |
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430 iValidRegion.Clear(); |
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431 iClipRegion.Clear(); |
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432 iValidRegion.AddRect(iRect); |
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433 iClipRegion.AddRect(iRect); |
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434 } |
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435 |
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436 void CFepUiCursor::UpdateCursorArea(const TRect& aRect, TBool aFlag) |
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437 { |
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438 CFepUiBaseCtrl* parent = iEditor->ParentCtrl(); |
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439 |
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440 if(parent) |
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441 { |
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442 if(parent->IsKindOfControl(ECtrlControlGroup)) |
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443 static_cast<CControlGroup*>(parent)->UpdateAreaInGrp(iEditor,aRect,aFlag); |
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444 else |
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445 iEditor->ParentCtrl()->UpdateArea(aRect,aFlag); |
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446 } |
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447 else |
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448 UpdateArea(aRect,aFlag); |
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449 } |
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450 // End of File |