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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 wrapper for a label |
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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 #include <e32base.h> |
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20 #include <coecntrl.h> |
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21 #include <barsread.h> |
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22 #include <gulcolor.h> |
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23 #include <utf.h> |
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24 |
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25 #include <AknsUtils.h> |
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26 #include <AknPictographInterface.h> // for japanese variants. |
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27 #include <AknBidiTextUtils.h> |
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28 #include <AknUtils.h> |
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29 #include <AknLayoutFont.h> |
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30 |
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31 #include "xnnodepluginif.h" |
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32 #include "xndompropertyvalue.h" |
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33 #include "xndomproperty.h" |
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34 #include "xndomlist.h" |
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35 #include "xnproperty.h" |
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36 #include "xncomponent.h" |
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37 #include "xnuienginepluginif.h" |
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38 #include "xncomponent.h" |
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39 #include "xncontroladapter.h" |
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40 #include "c_xnutils.h" |
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41 #include "xntype.h" |
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42 #include "xntextadapter.h" |
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43 #include "xncomponentnodeimpl.h" |
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44 #include "xnviewnodeimpl.h" |
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45 #include "xneditmode.h" |
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46 |
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47 namespace XnText |
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48 { |
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49 const TUint8 KClip = 0x01; |
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50 const TUint8 KEllipse = 0x02; |
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51 const TUint8 KWrap = 0x04; |
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52 const TUint8 KOverflowVisible = 0x08; |
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53 const TUint8 KLtr = 0x10; |
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54 const TUint8 KConstructText = 0x20; |
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55 |
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56 _LIT8( tooltip, "tooltip" ); |
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57 _LIT8( clock, "clock" ); |
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58 } |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // IsBitSet |
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62 // Test whether bit is set in a flag |
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63 // ----------------------------------------------------------------------------- |
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64 static TBool IsBitSet(TUint8 aBit,TUint8 aFlag) |
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65 { |
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66 return ( aFlag & aBit ); |
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67 } |
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68 |
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69 // ----------------------------------------------------------------------------- |
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70 // SetLabelTextL |
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71 // Prepares text to label, wraps or clips if needed |
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72 // ----------------------------------------------------------------------------- |
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73 static void SetLabelTextL( CEikLabel& aLabel, const TDesC& aSource, TInt aMaxLineWidth, |
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74 TInt aMaxLines, TUint8 aFlags, TBool aMeasureOnly = EFalse ) |
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75 { |
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76 // By default, let the label do the logical to visual conversion |
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77 TBool conversion( ETrue ); |
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78 |
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79 if( IsBitSet( XnText::KOverflowVisible, aFlags ) || aSource == KNullDesC ) |
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80 { |
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81 // no clipping or wrapping needed if, |
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82 // overflow is visible |
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83 // no text or no space, |
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84 // or text fits to given space |
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85 aLabel.SetTextL( aSource ); |
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86 } |
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87 else |
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88 { |
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89 AknBidiTextUtils::TParagraphDirectionality dir( AknBidiTextUtils::EImplicit ); |
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90 |
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91 const CFont* font( aLabel.Font() ); |
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92 |
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93 HBufC* buffer( NULL ); |
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94 |
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95 if( IsBitSet( XnText::KEllipse, aFlags ) ) |
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96 { |
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97 buffer = aSource.AllocLC(); |
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98 |
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99 TPtr ptr( buffer->Des() ); |
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100 |
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101 AknBidiTextUtils::ConvertToVisualAndClipL( |
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102 ptr, *font, aMaxLineWidth, aMaxLineWidth, dir ); |
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103 |
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104 |
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105 // The text is already in visual form, no need for conversion |
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106 conversion = EFalse; |
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107 |
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108 aLabel.SetTextL( *buffer ); |
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109 |
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110 CleanupStack::PopAndDestroy( buffer ); |
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111 } |
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112 else if( IsBitSet( XnText::KWrap, aFlags ) ) |
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113 { |
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114 if( aMaxLines > 0 ) |
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115 { |
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116 CArrayFixFlat< TInt >* array = new ( ELeave ) CArrayFixFlat< TInt >( 8 ); |
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117 CleanupStack::PushL( array ); |
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118 |
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119 for( TInt i = 0; i < aMaxLines; i++ ) |
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120 { |
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121 array->AppendL( aMaxLineWidth ); |
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122 } |
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123 |
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124 buffer = HBufC::NewLC( aSource.Length() + aMaxLines * |
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125 ( KAknBidiExtraSpacePerLine + 1 ) ); |
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126 |
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127 TPtr ptr( buffer->Des() ); |
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128 |
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129 AknBidiTextUtils::ConvertToVisualAndWrapToStringL( |
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130 aSource, *array, *font, ptr, ETrue, dir ); |
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131 } |
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132 else |
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133 { |
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134 CArrayFixFlat< TPtrC >* array = new ( ELeave ) CArrayFixFlat< TPtrC >( 8 ); |
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135 CleanupStack::PushL( array ); |
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136 |
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137 HBufC* temp = AknBidiTextUtils::ConvertToVisualAndWrapToArrayL( |
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138 aSource, aMaxLineWidth, *font, *array, dir ); |
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139 |
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140 CleanupStack::PushL( temp ); |
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141 |
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142 TInt lineCount( array->Count() ); |
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143 |
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144 buffer = HBufC::NewLC( temp->Length() + ( lineCount - 1 ) ); |
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145 |
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146 TPtr ptr( buffer->Des() ); |
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147 |
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148 for( TInt i = 0; i < lineCount; i++ ) |
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149 { |
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150 TPtrC line( array->At( i ) ); |
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151 |
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152 ptr.Append( line ); |
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153 |
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154 if( i + 1 < lineCount ) |
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155 { |
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156 ptr.Append( '\n' ); |
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157 } |
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158 } |
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159 |
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160 CleanupStack::Pop(); |
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161 CleanupStack::PopAndDestroy( temp ); |
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162 CleanupStack::PushL( buffer ); |
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163 } |
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164 |
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165 // The text is already in visual form, no need for conversion |
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166 conversion = EFalse; |
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167 |
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168 aLabel.SetTextL( *buffer ); |
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169 |
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170 CleanupStack::PopAndDestroy( 2 ); // buffer, array |
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171 } |
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172 else |
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173 { |
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174 aLabel.SetTextL( aSource ); |
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175 } |
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176 } |
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177 |
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178 if( !aMeasureOnly ) |
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179 { |
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180 // Text is truly set, set conversion and defer draw |
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181 aLabel.UseLogicalToVisualConversion( conversion ); |
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182 } |
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183 } |
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184 |
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185 // ----------------------------------------------------------------------------- |
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186 // CopyBitmapData |
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187 // Copies a data from source bitmap to target bitmap. |
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188 // ----------------------------------------------------------------------------- |
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189 // |
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190 static TInt CopyBitmapData( |
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191 CFbsBitmap& aTarget, |
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192 const CFbsBitmap& aSource, |
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193 TPoint aSourcePoint) |
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194 { |
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195 TSize targetSize(aTarget.SizeInPixels()); |
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196 TSize sourceSize(aSource.SizeInPixels()); |
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197 TInt lineLength(targetSize.iWidth); |
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198 TInt maxSourceLineLength(sourceSize.iWidth - aSourcePoint.iX); |
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199 if(lineLength > maxSourceLineLength) |
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200 { |
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201 lineLength = maxSourceLineLength; |
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202 } |
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203 TInt rowCount(targetSize.iHeight); |
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204 TInt maxSourceRowCount(sourceSize.iHeight - aSourcePoint.iY); |
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205 if(rowCount > maxSourceRowCount) |
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206 { |
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207 rowCount = maxSourceRowCount; |
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208 } |
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209 |
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210 // Get bitmap display mode |
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211 TDisplayMode displayMode(aSource.DisplayMode()); |
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212 |
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213 // Create buffer for a scan line |
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214 HBufC8* scanLine = HBufC8::New( |
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215 aSource.ScanLineLength(lineLength, displayMode)); |
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216 if(!scanLine) |
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217 { |
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218 return KErrNoMemory; |
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219 } |
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220 |
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221 TPtr8 scanPtr(scanLine->Des()); |
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222 |
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223 // Copy all rows to destination bitmap |
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224 for(TInt row(0); row < rowCount; row++) |
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225 { |
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226 aSource.GetScanLine(scanPtr, |
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227 TPoint(aSourcePoint.iX, aSourcePoint.iY + row), |
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228 lineLength, displayMode); |
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229 aTarget.SetScanLine(scanPtr, row); |
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230 } |
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231 delete scanLine; |
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232 return KErrNone; |
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233 } |
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234 |
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235 // ============================ MEMBER FUNCTIONS =============================== |
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236 |
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237 // ----------------------------------------------------------------------------- |
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238 // CXnTextAdapter::NewL |
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239 // Symbian static 1st phase constructor |
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240 // ----------------------------------------------------------------------------- |
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241 // |
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242 CXnTextAdapter* CXnTextAdapter::NewL(CXnControlAdapter* aParent, CXnNodePluginIf& aNode) |
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243 { |
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244 CXnTextAdapter* self = new( ELeave ) CXnTextAdapter( aParent, aNode ); |
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245 |
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246 CleanupStack::PushL( self ); |
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247 self->ConstructL(); |
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248 CleanupStack::Pop(); |
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249 |
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250 return self; |
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251 } |
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252 |
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253 // ----------------------------------------------------------------------------- |
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254 // CXnTextAdapter::CXnTextAdapter |
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255 // C++ default constructor |
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256 // ----------------------------------------------------------------------------- |
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257 // |
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258 CXnTextAdapter::CXnTextAdapter(CXnControlAdapter* aParent, CXnNodePluginIf& aNode) |
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259 : iParent( aParent ), iNode( aNode ) |
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260 { |
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261 } |
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262 |
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263 // ----------------------------------------------------------------------------- |
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264 // CXnTextAdapter::~CXnTextAdapter |
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265 // C++ destructor |
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266 // ----------------------------------------------------------------------------- |
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267 // |
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268 CXnTextAdapter::~CXnTextAdapter() |
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269 { |
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270 delete iLabel; |
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271 |
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272 delete iText; |
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273 |
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274 if( iFont && iReleaseFont ) |
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275 { |
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276 CWsScreenDevice* dev = iCoeEnv->ScreenDevice(); |
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277 dev->ReleaseFont( iFont ); |
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278 } |
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279 |
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280 if( iPictographInterface ) |
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281 { |
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282 delete iPictographInterface; |
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283 } |
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284 |
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285 delete iBackgroundBitmap; |
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286 } |
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287 |
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288 // ----------------------------------------------------------------------------- |
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289 // CXnTextAdapter::ConstructL |
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290 // Symbian 2nd phase constructor can leave. |
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291 // ----------------------------------------------------------------------------- |
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292 // |
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293 void CXnTextAdapter::ConstructL() |
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294 { |
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295 iGc = &SystemGc(); |
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296 |
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297 iLabel = new ( ELeave ) CEikLabel; |
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298 iLabel->SetContainerWindowL( *iParent ); |
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299 iLabel->SetTextL( KNullDesC ); |
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300 |
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301 CXnControlAdapter::ConstructL( iNode ); |
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302 |
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303 iPictographInterface = CAknPictographInterface::NewL( *iLabel, *this ); |
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304 iLabel->EnablePictographsL( *iPictographInterface ); |
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305 |
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306 SetTextPropertiesL( iNode ); |
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307 UpdateTextL( iNode.GetPCData() ); |
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308 } |
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309 |
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310 // ----------------------------------------------------------------------------- |
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311 // CXnTextAdapter::ConstructTextL |
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312 // Construct the text component according to properties. |
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313 // ----------------------------------------------------------------------------- |
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314 // |
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315 void CXnTextAdapter::ConstructTextL() |
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316 { |
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317 if( !iText ) |
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318 { |
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319 // CEikLabel will panic in ::Draw if text is not set |
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320 SetLabelTextL( *iLabel, KNullDesC, 0, 0, 0 ); |
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321 return; |
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322 } |
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323 |
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324 if( !( iFlags & XnText::KConstructText ) ) |
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325 { |
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326 return; |
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327 } |
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328 |
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329 TRect rect( iNode.Rect() ); |
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330 |
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331 SetLineSpacingL( rect.Height() ); |
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332 |
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333 TInt flags( iFlags ); |
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334 |
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335 // Now we must restrict side into parent |
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336 flags = RestrictSizeL(); |
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337 |
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338 SetLabelTextL( *iLabel, *iText, iLabel->Rect().Width(), iMaxLines, flags ); |
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339 } |
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340 |
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341 // ----------------------------------------------------------------------------- |
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342 // CXnTextAdapter::SetTextPropertiesL |
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343 // Sets text properties, such as color, font, etc. |
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344 // (other items were commented in a header). |
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345 // ----------------------------------------------------------------------------- |
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346 // |
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347 TBool CXnTextAdapter::SetTextPropertiesL( CXnNodePluginIf& aNode ) |
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348 { |
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349 // Store current state |
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350 const CFont* font( iFont ); |
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351 TInt flags( iFlags ); |
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352 TInt maxLines( iMaxLines ); |
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353 |
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354 if( iFont && iReleaseFont ) |
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355 { |
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356 CWsScreenDevice* dev = iCoeEnv->ScreenDevice(); |
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357 dev->ReleaseFont( iFont ); |
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358 iFont = NULL; |
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359 } |
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360 |
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361 // Find out the font and set it |
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362 CXnUtils::CreateFontL( aNode, iFont, iReleaseFont ); |
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363 iLabel->SetFont( iFont ); |
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364 |
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365 // Turn off all graphic context effects |
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366 iLabel->SetUnderlining( EFalse ); |
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367 iLabel->SetStrikethrough( EFalse ); |
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368 |
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369 //following data types are used due to we are handling text via CEikLabel instead of direct |
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370 //font color and effects manipulation via graphics context. |
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371 //We manipulate pen and brush colors indirectly via |
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372 //Label's OverrideColorL method applying EColorControlBackground and EColorLabelText parameters |
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373 //with corresponding RGB value. |
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374 TRgb textColor; |
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375 TRgb effectsColor; |
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376 TBool textColorSet( EFalse ); |
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377 TBool effectsColorSet( EFalse ); |
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378 TBool effectsDevColorSet( EFalse ); |
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379 |
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380 CXnProperty* colorProperty = aNode.GetPropertyL( XnPropertyNames::appearance::common::KColor ); |
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381 |
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382 if( colorProperty != NULL ) |
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383 { |
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384 CXnDomProperty* domProperty = colorProperty->Property(); |
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385 |
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386 if( domProperty ) |
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387 { |
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388 TInt error( KErrNotSupported ); |
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389 |
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390 CXnDomPropertyValue* value = static_cast< CXnDomPropertyValue* > |
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391 ( domProperty->PropertyValueList().Item( 0 ) ); |
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392 |
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393 if( value->IsAutoIdent() ) |
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394 { |
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395 MAknsSkinInstance* skinInstance = AknsUtils::SkinInstance(); |
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396 error = AknsUtils::GetCachedColor(skinInstance, textColor, KAknsIIDQsnTextColors, |
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397 EAknsCIQsnTextColorsCG6); |
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398 } |
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399 else if( value->PrimitiveValueType() == CXnDomPropertyValue::ERgbColor ) |
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400 { |
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401 textColor = value->RgbColorValueL(); |
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402 error = KErrNone; |
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403 } |
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404 else |
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405 { |
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406 HBufC* colorString = colorProperty->StringValueL(); |
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407 CleanupStack::PushL( colorString ); |
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408 |
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409 CXnUtils::StripQuotes( colorString ); |
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410 |
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411 TInt index = 0; |
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412 TAknsItemID skinID; |
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413 |
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414 TBool idResolved = CXnUtils::ResolveSkinItemIDL( colorString->Des(), skinID, index ); |
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415 |
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416 if( idResolved ) |
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417 { |
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418 MAknsSkinInstance* skinInstance = AknsUtils::SkinInstance(); |
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419 error = AknsUtils::GetCachedColor( skinInstance, textColor, skinID, index ); |
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420 } |
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421 else // use auto value if skin id is invalid. |
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422 { |
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423 MAknsSkinInstance* skinInstance = AknsUtils::SkinInstance(); |
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424 error = AknsUtils::GetCachedColor(skinInstance, textColor, KAknsIIDQsnTextColors, |
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425 EAknsCIQsnTextColorsCG6); |
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426 } |
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427 CleanupStack::PopAndDestroy( colorString ); |
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428 } |
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429 if (error == KErrNone) |
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430 { |
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431 textColorSet = ETrue; |
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432 } |
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433 } |
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434 } |
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435 |
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436 CXnProperty* effectsProperty = aNode.GetPropertyL(XnPropertyNames::appearance::common::KTextEffects); |
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437 if ( effectsProperty ) |
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438 { |
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439 TInt error(KErrNotSupported); |
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440 effectsDevColorSet = ETrue; //some color needed, device color by default |
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441 CXnProperty* effectsColorProperty = aNode.GetPropertyL(XnPropertyNames::appearance::common::KEffectsColor); |
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442 if (effectsColorProperty) |
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443 { |
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444 CXnDomProperty* domProperty = effectsColorProperty->Property(); |
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445 if( domProperty ) |
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446 { |
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447 CXnDomPropertyValue* value = static_cast<CXnDomPropertyValue*>(domProperty->PropertyValueList().Item(0)); |
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448 if (value->IsAutoIdent()) |
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449 { |
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450 MAknsSkinInstance* skinInstance = AknsUtils::SkinInstance(); |
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451 error = AknsUtils::GetCachedColor(skinInstance, effectsColor, KAknsIIDQsnTextColors, |
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452 EAknsCIQsnTextColorsCG6); |
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453 } |
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454 else if (value->PrimitiveValueType() == CXnDomPropertyValue::ERgbColor) |
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455 { |
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456 effectsColor = value->RgbColorValueL(); |
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457 error = KErrNone; |
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458 } |
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459 else |
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460 { |
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461 HBufC* colorString = effectsColorProperty->StringValueL(); |
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462 CleanupStack::PushL( colorString ); |
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463 CXnUtils::StripQuotes( colorString ); |
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464 |
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465 TInt index = 0; |
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466 TAknsItemID skinID; |
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467 |
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468 TBool idResolved = CXnUtils::ResolveSkinItemIDL( colorString->Des(), skinID, index ); |
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469 if( idResolved ) |
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470 { |
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471 MAknsSkinInstance* skinInstance = AknsUtils::SkinInstance(); |
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472 error = AknsUtils::GetCachedColor( skinInstance, effectsColor, skinID, index ); |
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473 } |
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474 else // use auto value if skin id is invalid. |
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475 { |
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476 MAknsSkinInstance* skinInstance = AknsUtils::SkinInstance(); |
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477 error = AknsUtils::GetCachedColor(skinInstance, effectsColor, KAknsIIDQsnTextColors, |
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478 EAknsCIQsnTextColorsCG6); |
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479 } |
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480 CleanupStack::PopAndDestroy( colorString ); |
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481 } |
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482 if ( error == KErrNone ) |
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483 { |
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484 effectsColorSet = ETrue; //theme color found |
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485 effectsDevColorSet = EFalse;//device color not needed |
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486 } |
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487 } |
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488 } |
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489 } |
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490 |
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491 if ( textColorSet ) |
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492 { |
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493 if ( effectsColorSet ) |
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494 {//theme font color and theme effects color |
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495 iLabel->OverrideColorL(EColorControlBackground, textColor); |
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496 iLabel->OverrideColorL(EColorLabelText, effectsColor); |
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497 } |
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498 else if ( effectsDevColorSet ) |
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499 {//theme font color and device effects color |
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500 iLabel->OverrideColorL(EColorControlBackground, textColor); |
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501 } |
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502 else |
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503 {//theme font color, but no effects defined |
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504 iLabel->OverrideColorL(EColorLabelText, textColor); |
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505 } |
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506 } |
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507 else if ( effectsColorSet ) |
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508 {//device font color and theme effects color |
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509 iLabel->OverrideColorL(EColorLabelText, effectsColor); |
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510 }//else device font color and device effects color (default) |
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511 |
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512 CXnProperty* textDecorationProp = aNode.GetPropertyL( XnPropertyNames::appearance::common::KTextDecoration ); |
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513 |
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514 if( textDecorationProp ) |
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515 { |
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516 CXnDomList& propertyValueList = textDecorationProp->Property()->PropertyValueList(); |
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517 |
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518 TInt valueCount = propertyValueList.Length(); |
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519 |
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520 for( TInt i = 0; i < valueCount; ++i ) |
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521 { |
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522 CXnDomPropertyValue* value = static_cast< CXnDomPropertyValue* >( propertyValueList.Item( i ) ); |
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523 |
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524 if( value->StringValueL() == XnPropertyNames::appearance::common::textdecoration::KUnderline ) |
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525 { |
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526 iLabel->SetUnderlining( ETrue ); |
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527 } |
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528 |
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529 if( value->StringValueL() == XnPropertyNames::appearance::common::textdecoration::KLinethrough ) |
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530 { |
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531 iLabel->SetStrikethrough( ETrue ); |
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532 } |
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533 } |
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534 } |
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535 |
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536 iFlags = 0; |
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537 iFlags |= XnText::KEllipse; //default |
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538 iFlags |= XnText::KLtr; |
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539 iMaxLines = 0; |
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540 |
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541 TGulAlignmentValue alignment = CXnUtils::TextAlignment( aNode ); |
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542 |
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543 TInt labelAlignment( ELayoutAlignLeft ); // all are vertically top aligned by default (avkon) |
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544 |
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545 switch( alignment ) |
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546 { |
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547 case EHCenterVCenter: |
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548 labelAlignment = ELayoutAlignCenter; |
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549 break; |
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550 case EHRightVCenter: |
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551 labelAlignment = ELayoutAlignRight; |
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552 break; |
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553 default: |
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554 break; |
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555 } |
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556 |
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557 iLabel->SetLabelAlignment( labelAlignment ); // avkon extension needs this, it modifys horizontal alignment |
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558 iLabel->SetAlignment( alignment ); // call to have vertical alignment |
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559 |
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560 CXnProperty* direction = iNode.GetPropertyL( XnPropertyNames::style::common::KDirection ); |
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561 const TDesC8* directionValue = &XnPropertyNames::style::common::direction::KLTR; |
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562 |
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563 if( direction ) |
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564 { |
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565 directionValue = &direction->StringValue(); |
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566 } |
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567 |
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568 if( *directionValue == XnPropertyNames::style::common::direction::KRTL ) |
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569 { |
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570 iLabel->SetLabelAlignment( ELayoutAlignBidi ); |
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571 iFlags &= ~XnText::KLtr; |
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572 } |
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573 |
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574 CXnProperty* overflowProp = aNode.GetPropertyL( XnPropertyNames::appearance::common::KTextOverflowMode ); |
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575 |
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576 if( overflowProp ) |
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577 { |
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578 CXnDomList& propertyValueList = overflowProp->Property()->PropertyValueList(); |
|
579 |
|
580 TInt valueCount = propertyValueList.Length(); |
|
581 |
|
582 for( TInt i = 0; i < valueCount; ++i ) |
|
583 { |
|
584 CXnDomPropertyValue* value = static_cast< CXnDomPropertyValue* >( propertyValueList.Item( i ) ); |
|
585 |
|
586 if( value->StringValueL() == XnPropertyNames::appearance::common::textoverflow::KClipMode ) |
|
587 { |
|
588 iFlags |= XnText::KClip; |
|
589 iFlags &= ~XnText::KWrap; |
|
590 iFlags &= ~XnText::KEllipse; |
|
591 } |
|
592 else if( value->StringValueL() == XnPropertyNames::appearance::common::textoverflow::KWrapMode ) |
|
593 { |
|
594 iFlags |= XnText::KWrap; |
|
595 iFlags &= ~XnText::KClip; |
|
596 iFlags &= ~XnText::KEllipse; |
|
597 } |
|
598 } |
|
599 |
|
600 //Get max lines amount for wrap |
|
601 if( iFlags & XnText::KWrap ) |
|
602 { |
|
603 CXnProperty* maxlinesProp = aNode.GetPropertyL( XnPropertyNames::appearance::common::textoverflow::KMaxLineAmount ); |
|
604 |
|
605 if( maxlinesProp ) |
|
606 { |
|
607 iMaxLines = static_cast< TInt >( maxlinesProp->FloatValueL() ); |
|
608 } |
|
609 } |
|
610 } |
|
611 |
|
612 CXnProperty* overflowProperty = iNode.GetPropertyL( XnPropertyNames::style::common::KOverflow ); |
|
613 |
|
614 if( overflowProperty ) |
|
615 { |
|
616 const TDesC8& overflowValue = overflowProperty->StringValue(); |
|
617 |
|
618 if( overflowValue == XnPropertyNames::style::common::visibility::KVisible ) |
|
619 { |
|
620 iFlags |= XnText::KOverflowVisible; |
|
621 } |
|
622 } |
|
623 |
|
624 if( flags & XnText::KConstructText ) |
|
625 { |
|
626 iFlags |= XnText::KConstructText; |
|
627 } |
|
628 |
|
629 if( font != iFont || flags != iFlags || maxLines != iMaxLines ) |
|
630 { |
|
631 return ETrue; |
|
632 } |
|
633 |
|
634 return EFalse; |
|
635 } |
|
636 |
|
637 // ----------------------------------------------------------------------------- |
|
638 // CXnTextAdapter::SetTextL |
|
639 // Sets the new content to the underlying CEikLabel |
|
640 // ----------------------------------------------------------------------------- |
|
641 // |
|
642 void CXnTextAdapter::SetTextL( const TDesC& aText ) |
|
643 { |
|
644 UpdateTextL( &aText ); |
|
645 } |
|
646 |
|
647 // ----------------------------------------------------------------------------- |
|
648 // CXnTextAdapter::Text |
|
649 // Returns the text contained in the underlying CEikLabel |
|
650 // ----------------------------------------------------------------------------- |
|
651 // |
|
652 const TDesC* CXnTextAdapter::Text() const |
|
653 { |
|
654 if( iFlags & XnText::KConstructText ) |
|
655 { |
|
656 return iText; |
|
657 } |
|
658 else |
|
659 { |
|
660 return iLabel->Text(); |
|
661 } |
|
662 } |
|
663 |
|
664 // ----------------------------------------------------------------------------- |
|
665 // CXnTextAdapter::CountComponentControls |
|
666 // Returns the number of component controls. |
|
667 // ----------------------------------------------------------------------------- |
|
668 // |
|
669 TInt CXnTextAdapter::CountComponentControls() const |
|
670 { |
|
671 return 1; |
|
672 } |
|
673 |
|
674 // ----------------------------------------------------------------------------- |
|
675 // CXnTextAdapter::ComponentControl |
|
676 // Returns the component control of the given index |
|
677 // ----------------------------------------------------------------------------- |
|
678 // |
|
679 CCoeControl* CXnTextAdapter::ComponentControl(TInt aIndex) const |
|
680 { |
|
681 if( aIndex == 0 ) |
|
682 { |
|
683 return iLabel; |
|
684 } |
|
685 |
|
686 return NULL; |
|
687 } |
|
688 |
|
689 // ----------------------------------------------------------------------------- |
|
690 // CXnTextAdapter::DoHandlePropertyChangeL |
|
691 // ----------------------------------------------------------------------------- |
|
692 // |
|
693 void CXnTextAdapter::DoHandlePropertyChangeL(CXnProperty* aProperty) |
|
694 { |
|
695 if( aProperty ) |
|
696 { |
|
697 const TDesC8& name( aProperty->Property()->Name() ); |
|
698 |
|
699 if( name == XnPropertyNames::style::common::KDisplay || |
|
700 name == XnPropertyNames::style::common::KVisibility || |
|
701 name == XnPropertyNames::style::common::KWidth || |
|
702 name == XnPropertyNames::style::common::KHeight ) |
|
703 { |
|
704 return; |
|
705 } |
|
706 |
|
707 if( name == XnPropertyNames::common::KPCData ) |
|
708 { |
|
709 UpdateTextL( iNode.GetPCData() ); |
|
710 } |
|
711 } |
|
712 |
|
713 if( SetTextPropertiesL( iNode ) ) |
|
714 { |
|
715 iFlags |= XnText::KConstructText; |
|
716 } |
|
717 } |
|
718 |
|
719 // ----------------------------------------------------------------------------- |
|
720 // CXnTextAdapter::HandleResourceChange |
|
721 // ----------------------------------------------------------------------------- |
|
722 // |
|
723 void CXnTextAdapter::HandleScreenDeviceChangedL() |
|
724 { |
|
725 if( SetTextPropertiesL( iNode ) ) |
|
726 { |
|
727 iFlags |= XnText::KConstructText; |
|
728 } |
|
729 |
|
730 CXnControlAdapter::HandleScreenDeviceChangedL(); |
|
731 } |
|
732 |
|
733 // ----------------------------------------------------------------------------- |
|
734 // CXnTextAdapter::HandlePointerEventL |
|
735 // (other items were commented in a header). |
|
736 // ----------------------------------------------------------------------------- |
|
737 // |
|
738 void CXnTextAdapter::HandlePointerEventL( const TPointerEvent& aPointerEvent ) |
|
739 { |
|
740 if( AknLayoutUtils::PenEnabled() ) |
|
741 { |
|
742 CXnControlAdapter::HandlePointerEventL( aPointerEvent ); |
|
743 } |
|
744 } |
|
745 |
|
746 // --------------------------------------------------------- |
|
747 // CXnTextAdapter::SizeChanged() |
|
748 // Called by framework when the view size is changed |
|
749 // (other items were commented in a header). |
|
750 // --------------------------------------------------------- |
|
751 // |
|
752 void CXnTextAdapter::SizeChanged() |
|
753 { |
|
754 TRAP_IGNORE( SizeChangedL() ); |
|
755 } |
|
756 |
|
757 // --------------------------------------------------------- |
|
758 // CXnTextAdapter::SizeChangedL() |
|
759 // --------------------------------------------------------- |
|
760 // |
|
761 void CXnTextAdapter::SizeChangedL() |
|
762 { |
|
763 if( SetTextPropertiesL( iNode ) ) |
|
764 { |
|
765 iFlags |= XnText::KConstructText; |
|
766 } |
|
767 |
|
768 TRect rect( iNode.Rect() ); |
|
769 |
|
770 TRect labelRect( iLabel->Rect() ); |
|
771 iLabel->SetRect( rect ); |
|
772 |
|
773 if( iText ) |
|
774 { |
|
775 TInt textWidth( iLabel->Font()->TextWidthInPixels( *iText ) ); |
|
776 |
|
777 TInt rectWidth( rect.Width() ); |
|
778 |
|
779 if( iFlags & XnText::KOverflowVisible ) |
|
780 { |
|
781 TBool isTooltip( iNode.ParentL()->Type()->Type() == XnText::tooltip ); |
|
782 |
|
783 // Tooltip can grow and shrink, others just grow |
|
784 if( isTooltip || textWidth > rectWidth ) |
|
785 { |
|
786 rect = Rect(); |
|
787 |
|
788 TInt dx( textWidth - rectWidth ); |
|
789 |
|
790 if( dx != 0 ) |
|
791 { |
|
792 rect.Resize( dx, 0 ); |
|
793 SetSizeWithoutNotification( rect.Size() ); |
|
794 |
|
795 // Update |
|
796 iLabel->SetRect( rect ); |
|
797 } |
|
798 } |
|
799 } |
|
800 } |
|
801 if( labelRect != iLabel->Rect() ) |
|
802 { |
|
803 iFlags |= XnText::KConstructText; |
|
804 } |
|
805 } |
|
806 |
|
807 // --------------------------------------------------------- |
|
808 // CXnTextAdapter::SkinChanged() |
|
809 // Called by framework when the skin is changed |
|
810 // (other items were commented in a header). |
|
811 // --------------------------------------------------------- |
|
812 // |
|
813 void CXnTextAdapter::SkinChanged() |
|
814 { |
|
815 TRAP_IGNORE |
|
816 ( |
|
817 if( SetTextPropertiesL( iNode ) ) |
|
818 { |
|
819 iFlags |= XnText::KConstructText; |
|
820 } |
|
821 ); |
|
822 } |
|
823 |
|
824 // ----------------------------------------------------------------------------- |
|
825 // CXnTextAdapter::Draw |
|
826 // Draws the text component |
|
827 // ----------------------------------------------------------------------------- |
|
828 // |
|
829 void CXnTextAdapter::Draw(const TRect& aRect) const |
|
830 { |
|
831 CXnTextAdapter* adapter = const_cast< CXnTextAdapter* >( this ); |
|
832 |
|
833 if( iFlags & XnText::KConstructText ) |
|
834 { |
|
835 TRAPD( err, adapter->ConstructTextL() ); |
|
836 |
|
837 adapter->iFlags &= ~XnText::KConstructText; |
|
838 |
|
839 if( err ) |
|
840 { |
|
841 return; |
|
842 } |
|
843 } |
|
844 |
|
845 CXnControlAdapter::Draw( aRect ); |
|
846 |
|
847 if( iPictographInterface ) |
|
848 { |
|
849 TRAP_IGNORE( UpdateBackgroundL() ); |
|
850 iGc->BitBlt( iNode.Rect().iTl, iBackgroundBitmap ); |
|
851 } |
|
852 } |
|
853 |
|
854 // ----------------------------------------------------------------------------- |
|
855 // CXnTextAdapter::DrawPictographArea |
|
856 // Draws the text component |
|
857 // ----------------------------------------------------------------------------- |
|
858 // |
|
859 void CXnTextAdapter::DrawPictographArea() |
|
860 { |
|
861 DrawNow(); |
|
862 } |
|
863 |
|
864 // ----------------------------------------------------------------------------- |
|
865 // CXnTextAdapter::UpdateBackgroundL |
|
866 // ----------------------------------------------------------------------------- |
|
867 // |
|
868 void CXnTextAdapter::UpdateBackgroundL() const |
|
869 { |
|
870 CGraphicsDevice* gdevice = iGc->Device(); |
|
871 TDisplayMode displayMode = gdevice->DisplayMode(); |
|
872 |
|
873 // create "screenshot" from the background appearance |
|
874 if( iBackgroundBitmap ) |
|
875 { |
|
876 delete iBackgroundBitmap; |
|
877 iBackgroundBitmap = NULL; |
|
878 } |
|
879 |
|
880 iBackgroundBitmap = new (ELeave) CFbsBitmap(); |
|
881 iBackgroundBitmap->Create( iNode.Rect().Size(), displayMode ); |
|
882 CFbsBitmap* tmpBitmap = new (ELeave) CFbsBitmap; |
|
883 CleanupStack::PushL( tmpBitmap ); |
|
884 |
|
885 CWsScreenDevice* scrDevice = static_cast<CWsScreenDevice*>( iGc->Device() ); |
|
886 TSize tmpSize = scrDevice->SizeInPixels(); |
|
887 tmpBitmap->Create( tmpSize, displayMode ); |
|
888 |
|
889 CFbsBitmapDevice* tmpDevice = CFbsBitmapDevice::NewL( tmpBitmap ); |
|
890 CleanupStack::PushL( tmpDevice ); |
|
891 CBitmapContext* bc( NULL ); |
|
892 tmpDevice->CreateBitmapContext( bc ); |
|
893 CleanupStack::PushL( bc ); |
|
894 DrawBackground( iNode.Rect(), reinterpret_cast<CWindowGc&>( *bc ) ); |
|
895 CopyBitmapData( *iBackgroundBitmap, *tmpBitmap, iNode.Rect().iTl ); |
|
896 CleanupStack::PopAndDestroy( 3 ); |
|
897 } |
|
898 |
|
899 // ----------------------------------------------------------------------------- |
|
900 // CXnTextAdapter::DrawBackground |
|
901 // ----------------------------------------------------------------------------- |
|
902 // |
|
903 void CXnTextAdapter::DrawBackground(const TRect& aRect, CWindowGc& aGc) const |
|
904 { |
|
905 RPointerArray<CXnControlAdapter> adapters; |
|
906 |
|
907 for( CXnNodePluginIf* node = &iNode; node; ) |
|
908 { |
|
909 TRAP_IGNORE( |
|
910 CXnControlAdapter* adapter( node->Control() ); |
|
911 |
|
912 if ( adapter ) |
|
913 { |
|
914 adapters.AppendL( adapter ); |
|
915 } |
|
916 |
|
917 node = node->ParentL() |
|
918 ); |
|
919 } |
|
920 |
|
921 for( TInt i = adapters.Count() - 1; i >= 0; --i ) |
|
922 { |
|
923 adapters[i]->Draw( aRect, aGc ); |
|
924 } |
|
925 |
|
926 adapters.Reset(); |
|
927 } |
|
928 |
|
929 // ----------------------------------------------------------------------------- |
|
930 // CXnTextAdapter::MeasureAdaptiveContentL |
|
931 // ----------------------------------------------------------------------------- |
|
932 // |
|
933 TSize CXnTextAdapter::MeasureAdaptiveContentL( const TSize& aAvailableSize ) |
|
934 { |
|
935 TSize size; |
|
936 |
|
937 if( ( aAvailableSize.iWidth > 0 ) && ( aAvailableSize.iHeight > 0 ) ) |
|
938 { |
|
939 size = MeasureTextL( aAvailableSize ); |
|
940 } |
|
941 |
|
942 return size; |
|
943 } |
|
944 |
|
945 // ----------------------------------------------------------------------------- |
|
946 // CXnTextAdapter::RestrictSizeL |
|
947 // ----------------------------------------------------------------------------- |
|
948 // |
|
949 TInt CXnTextAdapter::RestrictSizeL() |
|
950 { |
|
951 CXnNodePluginIf* parent( iNode.ParentL() ); |
|
952 |
|
953 if( !parent ) |
|
954 { |
|
955 // No parent where to restrict own size |
|
956 return iFlags; |
|
957 } |
|
958 |
|
959 TRect parentRect( parent->Rect() ); |
|
960 |
|
961 if( parentRect.IsEmpty() ) |
|
962 { |
|
963 return iFlags; |
|
964 } |
|
965 |
|
966 TRect rect( Rect() ); |
|
967 |
|
968 TInt dx( 0 ); |
|
969 TInt dy( 0 ); |
|
970 |
|
971 // Restrict own size inside parent rect to prevent flowing outside parent's rect |
|
972 if( rect.iBr.iX > parentRect.iBr.iX ) |
|
973 { |
|
974 dx = rect.iBr.iX - parentRect.iBr.iX; |
|
975 } |
|
976 |
|
977 if( rect.iBr.iY > parentRect.iBr.iY ) |
|
978 { |
|
979 dy = rect.iBr.iY - parentRect.iBr.iY; |
|
980 } |
|
981 |
|
982 if( dx == 0 && dy == 0 ) |
|
983 { |
|
984 // No need to change sizes |
|
985 return iFlags; |
|
986 } |
|
987 |
|
988 TInt flags( iFlags ); |
|
989 |
|
990 if( parent->Type()->Type() == XnText::tooltip ) |
|
991 { |
|
992 // Remove temporarily to allow tooltip truncation |
|
993 flags &= ~XnText::KOverflowVisible; |
|
994 } |
|
995 |
|
996 // Clip text again, parent size restriction may result in re-clipping |
|
997 if( !IsBitSet( XnText::KOverflowVisible, flags ) ) |
|
998 { |
|
999 TSize size( rect.Size() ); |
|
1000 |
|
1001 size.iWidth -= dx; |
|
1002 size.iHeight -= dy; |
|
1003 |
|
1004 // Update own size ... |
|
1005 SetSizeWithoutNotification( size ); |
|
1006 |
|
1007 // ... and label |
|
1008 rect = iLabel->Rect(); |
|
1009 |
|
1010 rect.Resize( -dx, -dy ); |
|
1011 |
|
1012 iLabel->SetRect( rect ); |
|
1013 } |
|
1014 |
|
1015 return flags; |
|
1016 } |
|
1017 |
|
1018 // ----------------------------------------------------------------------------- |
|
1019 // CXnTextAdapter::SetLineSpacingL |
|
1020 // ----------------------------------------------------------------------------- |
|
1021 // |
|
1022 void CXnTextAdapter::SetLineSpacingL( TInt aReference ) |
|
1023 { |
|
1024 // Set linespacing, one pixel is the default |
|
1025 TInt lineSpace( 1 ); |
|
1026 |
|
1027 CXnProperty* lineSpaceProp( |
|
1028 iNode.GetPropertyL( XnPropertyNames::appearance::common::KFontLineSpace ) ); |
|
1029 |
|
1030 if( lineSpaceProp ) |
|
1031 { |
|
1032 lineSpace = iNode.UiEngineL()->VerticalPixelValueL( lineSpaceProp, aReference ); |
|
1033 } |
|
1034 |
|
1035 if( lineSpace < 1 ) |
|
1036 { |
|
1037 // Must be at least 1 |
|
1038 lineSpace = 1; |
|
1039 } |
|
1040 |
|
1041 const CAknLayoutFont* layoutFont( CAknLayoutFont::AsCAknLayoutFontOrNull( iFont ) ); |
|
1042 |
|
1043 if( layoutFont ) |
|
1044 { |
|
1045 TInt textPaneHeight = layoutFont->TextPaneHeight(); |
|
1046 |
|
1047 lineSpace += ( textPaneHeight - iFont->HeightInPixels() ); |
|
1048 } |
|
1049 /* end of CEikLabel fix */ |
|
1050 |
|
1051 iLabel->SetPixelGapBetweenLines( lineSpace ); |
|
1052 } |
|
1053 |
|
1054 // ----------------------------------------------------------------------------- |
|
1055 // MeasureTextL |
|
1056 // Measures the text dimensions fitted to available size |
|
1057 // ----------------------------------------------------------------------------- |
|
1058 // |
|
1059 TSize CXnTextAdapter::MeasureTextL( const TSize& aAvailableSize ) |
|
1060 { |
|
1061 TSize size; |
|
1062 |
|
1063 if( !iText || *iText == KNullDesC ) |
|
1064 { |
|
1065 return size; |
|
1066 } |
|
1067 |
|
1068 // Save the current text before measure |
|
1069 HBufC* original( iLabel->Text()->AllocLC() ); |
|
1070 |
|
1071 SetLineSpacingL( 0 ); |
|
1072 |
|
1073 SetLabelTextL( *iLabel, *iText, aAvailableSize.iWidth, iMaxLines, iFlags, ETrue ); |
|
1074 |
|
1075 TPtrC text( *iLabel->Text() ); |
|
1076 |
|
1077 // help CEikLabel to calculate its content size more precisely |
|
1078 iLabel->iMargin.iBottom = iLabel->Font()->DescentInPixels(); |
|
1079 |
|
1080 // Get the size needed for the text |
|
1081 size = iLabel->CalcMinimumSize( text ); |
|
1082 |
|
1083 // Restore original text |
|
1084 iLabel->SetTextL( *original ); |
|
1085 CleanupStack::PopAndDestroy( original ); |
|
1086 |
|
1087 return size; |
|
1088 } |
|
1089 |
|
1090 // ----------------------------------------------------------------------------- |
|
1091 // UpdateTextL |
|
1092 // ----------------------------------------------------------------------------- |
|
1093 // |
|
1094 void CXnTextAdapter::UpdateTextL( const TDesC8& aText ) |
|
1095 { |
|
1096 HBufC* text( CnvUtfConverter::ConvertToUnicodeFromUtf8L( aText ) ); |
|
1097 |
|
1098 CleanupStack::PushL( text ); |
|
1099 |
|
1100 UpdateTextL( text ); |
|
1101 |
|
1102 CleanupStack::PopAndDestroy( text ); |
|
1103 } |
|
1104 |
|
1105 // ----------------------------------------------------------------------------- |
|
1106 // UpdateTextL |
|
1107 // ----------------------------------------------------------------------------- |
|
1108 // |
|
1109 void CXnTextAdapter::UpdateTextL( const TDesC* aText ) |
|
1110 { |
|
1111 if( aText ) |
|
1112 { |
|
1113 if( iText && *iText == *aText ) |
|
1114 { |
|
1115 // New text is same as current |
|
1116 return; |
|
1117 } |
|
1118 |
|
1119 if( iText && iText->Des().MaxLength() >= aText->Length() ) |
|
1120 { |
|
1121 // New text fits to earlier allocated space |
|
1122 *iText = *aText; |
|
1123 } |
|
1124 else |
|
1125 { |
|
1126 // Need to reserve space for new text |
|
1127 delete iText; |
|
1128 iText = NULL; |
|
1129 iText = aText->AllocL(); |
|
1130 } |
|
1131 |
|
1132 TPtr ptr( iText->Des() ); |
|
1133 |
|
1134 CXnUtils::CollapseWhiteSpace( iNode, ptr ); |
|
1135 |
|
1136 iFlags |= XnText::KConstructText; |
|
1137 |
|
1138 iNode.SetDirtyL(); |
|
1139 |
|
1140 const TDesC8& parentType( iNode.ParentL()->Type()->Type() ); |
|
1141 |
|
1142 if( parentType == XnText::tooltip ) |
|
1143 { |
|
1144 // Force tooltip text size to be recalculted by layout algorithm |
|
1145 SetSizeWithoutNotification( TSize() ); |
|
1146 } |
|
1147 else if( parentType == XnText::clock ) |
|
1148 { |
|
1149 iNode.ParentL()->SetDirtyL(); |
|
1150 } |
|
1151 } |
|
1152 } |
|
1153 |
|
1154 // End of file |
|
1155 |