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1 /* |
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2 * Copyright (c) 2002-2007 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: Default label control for the status pane's navigation pane. |
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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 // SYSTEM INCLUDE FILES |
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20 #include <gdi.h> |
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21 #include <eikspane.h> |
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22 #include <AknsDrawUtils.h> |
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23 #include <bidivisual.h> |
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24 #include <biditext.h> |
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25 #include <aknlayoutscalable_avkon.cdl.h> |
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26 |
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27 #include <AknTasHook.h> |
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28 // USER INCLUDE FILES |
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29 #include "aknnavilabel.h" |
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30 #include "AknPanic.h" |
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31 #include "AknUtils.h" |
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32 #include "aknconsts.h" |
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33 #include "AknBidiTextUtils.h" |
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34 #include "AknStatuspaneUtils.h" |
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35 #include "aknenv.h" |
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36 #include "aknnavide.h" |
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37 #include <aknnavide.h> |
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38 |
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39 NONSHARABLE_CLASS( CAknNaviLabelExtension ) : public CBase |
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40 { |
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41 public: |
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42 static CAknNaviLabelExtension* NewL(); |
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43 ~CAknNaviLabelExtension(); |
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44 void SetVisualBufferSizeL( TInt aSize ); |
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45 private: |
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46 CAknNaviLabelExtension(); |
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47 void ConstructL(); |
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48 public: //data |
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49 HBufC* iVisualTextBuffer; |
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50 }; |
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51 |
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52 CAknNaviLabelExtension* CAknNaviLabelExtension::NewL() |
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53 { |
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54 CAknNaviLabelExtension* self = new (ELeave) CAknNaviLabelExtension; |
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55 CleanupStack::PushL( self ); |
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56 self->ConstructL(); |
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57 CleanupStack::Pop( self ); |
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58 return self; |
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59 } |
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60 |
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61 CAknNaviLabelExtension::CAknNaviLabelExtension() |
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62 { |
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63 } |
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64 |
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65 CAknNaviLabelExtension::~CAknNaviLabelExtension() |
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66 { |
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67 delete iVisualTextBuffer; |
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68 } |
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69 |
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70 void CAknNaviLabelExtension::ConstructL() |
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71 { |
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72 iVisualTextBuffer = HBufC::NewL(0); |
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73 } |
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74 |
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75 void CAknNaviLabelExtension::SetVisualBufferSizeL( TInt aSize ) |
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76 { |
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77 if ( aSize <= iVisualTextBuffer->Des().MaxLength() ) |
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78 { |
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79 return; |
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80 } |
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81 |
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82 HBufC* tempBuf = HBufC::NewL( aSize ); |
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83 delete iVisualTextBuffer; |
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84 iVisualTextBuffer = tempBuf; |
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85 } |
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86 |
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87 EXPORT_C CAknNaviLabel::~CAknNaviLabel() |
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88 { |
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89 AKNTASHOOK_REMOVE(); |
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90 delete iText; |
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91 delete iExtension; |
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92 } |
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93 |
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94 EXPORT_C CAknNaviLabel::CAknNaviLabel() |
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95 { |
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96 AKNTASHOOK_ADD( this, "CAknNaviLabel" ); |
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97 } |
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98 |
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99 EXPORT_C void CAknNaviLabel::SetTextL( const TDesC& aText ) |
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100 { |
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101 __ASSERT_DEBUG( &aText, Panic( EAknPanicNullPointer ) ); |
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102 |
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103 if ( !iExtension ) |
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104 { |
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105 iExtension = CAknNaviLabelExtension::NewL(); |
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106 } |
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107 |
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108 User::LeaveIfError( AknBidiTextUtils::PrepareRunInfoArray( aText ) ); |
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109 HBufC* newText = aText.AllocLC(); |
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110 iExtension->SetVisualBufferSizeL( |
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111 aText.Length() + KAknBidiExtraSpacePerLine ); |
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112 CleanupStack::Pop( newText ); |
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113 |
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114 delete iText; // after all allocations succeed |
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115 iText = newText; |
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116 |
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117 SizeChanged(); |
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118 } |
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119 |
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120 EXPORT_C void CAknNaviLabel::SetNaviLabelType( TNaviLabelType aLabelType ) |
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121 { |
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122 iLabelType = aLabelType; |
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123 } |
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124 |
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125 EXPORT_C CAknNaviLabel::TNaviLabelType CAknNaviLabel::NaviLabelType() |
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126 { |
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127 return iLabelType; |
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128 } |
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129 |
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130 EXPORT_C void CAknNaviLabel::SizeChanged() |
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131 { |
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132 if ( !iExtension ) |
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133 { |
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134 return; |
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135 } |
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136 |
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137 TRect parentRect( Rect() ); |
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138 |
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139 CGraphicsContext::TTextAlign alignment = CGraphicsContext::ELeft; |
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140 iRightOffset = 0; |
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141 |
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142 TAknLayoutText textLayout( LayoutText() ); |
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143 |
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144 switch ( iLabelType ) |
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145 { |
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146 case ENavigationLabel: |
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147 { |
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148 TRect textRect( textLayout.TextRect() ); |
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149 TRect rect( Rect() ); |
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150 |
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151 // because this components rect is not same as navipane |
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152 // in LAF some calculations are needed. |
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153 |
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154 // The left margin amount of navipane that this labels |
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155 // rect does not cover. |
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156 TInt leftOutsideMargin = 0; |
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157 |
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158 // The right margin amount of navipane that this labels |
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159 // rect does not cover. |
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160 TInt rightOutsideMargin = 0; |
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161 |
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162 leftOutsideMargin = rect.iTl.iX; |
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163 rightOutsideMargin = parentRect.iBr.iX - rect.iBr.iX; |
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164 |
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165 if ( leftOutsideMargin < 0 ) |
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166 { |
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167 leftOutsideMargin = 0; |
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168 } |
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169 |
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170 if ( rightOutsideMargin < 0 ) |
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171 { |
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172 rightOutsideMargin = 0; |
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173 } |
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174 |
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175 iLeftMargin = textRect.iTl.iX - leftOutsideMargin; |
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176 iRightMargin = rect.iBr.iX - textRect.iBr.iX; |
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177 iFont = textLayout.Font(); |
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178 iColor = textLayout.Color(); |
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179 alignment = textLayout.Align(); |
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180 } |
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181 break; |
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182 |
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183 case EAdditionalInfoLabel: // fallthrough, these use same properties. |
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184 case EHintText: |
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185 { |
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186 TRect textRect( textLayout.TextRect() ); |
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187 iLeftMargin = textRect.iTl.iX; |
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188 iRightMargin = parentRect.iBr.iX - textRect.iBr.iX; |
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189 iFont = textLayout.Font(); |
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190 iColor = textLayout.Color(); |
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191 alignment = textLayout.Align(); |
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192 } |
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193 break; |
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194 |
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195 default: |
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196 break; |
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197 } |
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198 |
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199 TInt width = WidthInsideMargins(); |
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200 if ( width < 0 ) |
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201 { |
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202 width = 0; |
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203 } |
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204 |
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205 TPtr truncated = iExtension->iVisualTextBuffer->Des(); |
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206 |
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207 AknBidiTextUtils::ConvertToVisualAndClip( |
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208 *iText, |
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209 truncated, |
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210 *iFont, |
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211 width, |
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212 width ); |
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213 |
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214 if ( alignment == CGraphicsContext::ECenter ) |
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215 { |
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216 // Center the text. Must inform the text measurement algorithm that |
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217 // the text is in visual, not logical order. |
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218 |
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219 CFont::TMeasureTextInput input; |
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220 input.iFlags = CFont::TMeasureTextInput::EFVisualOrder; |
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221 |
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222 TInt textLength = iFont->MeasureText( truncated, &input ); |
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223 |
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224 iRightOffset = ( width - textLength ) / 2; |
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225 } |
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226 } |
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227 |
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228 EXPORT_C void CAknNaviLabel::Draw( const TRect& /*aRect*/ ) const |
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229 { |
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230 if ( !iExtension ) |
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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 CWindowGc& gc = SystemGc(); |
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236 |
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237 TRect rect( Rect() ); |
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238 gc.UseFont( iFont ); |
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239 |
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240 TRgb color = iColor; |
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241 |
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242 MAknsSkinInstance* skin = AknsUtils::SkinInstance(); |
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243 TAknLayoutText layoutText( LayoutText() ); |
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244 if ( AknStatuspaneUtils::StaconPaneActive() || |
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245 AknStatuspaneUtils::FlatLayoutActive() ) |
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246 { |
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247 AknsUtils::GetCachedColor( skin, |
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248 color, |
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249 KAknsIIDQsnTextColors, |
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250 EAknsCIQsnTextColorsCG43 ); |
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251 } |
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252 else |
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253 { |
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254 AknsUtils::GetCachedColor( skin, |
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255 color, |
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256 KAknsIIDQsnTextColors, |
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257 EAknsCIQsnTextColorsCG2 ); |
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258 } |
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259 |
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260 layoutText.DrawText( gc, *iText, ETrue, color ); |
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261 } |
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262 |
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263 EXPORT_C void CAknNaviLabel::HandlePointerEventL( |
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264 const TPointerEvent& aPointerEvent ) |
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265 { |
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266 CAknControl::HandlePointerEventL( aPointerEvent ); |
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267 } |
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268 |
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269 EXPORT_C void* CAknNaviLabel::ExtensionInterface( TUid /*aInterface*/ ) |
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270 { |
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271 return NULL; |
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272 } |
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273 |
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274 TInt CAknNaviLabel::WidthInsideMargins() const |
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275 { |
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276 TInt width = Rect().Width() - iLeftMargin - iRightMargin; |
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277 return width; |
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278 } |
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279 |
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280 TAknLayoutText CAknNaviLabel::LayoutText() const |
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281 { |
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282 TRect parentRect( CAknNavigationDecorator::DecoratedControlRect( |
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283 CAknNavigationDecorator::ENaviLabel ) ); |
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284 |
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285 TAknWindowLineLayout naviPaneLayout; |
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286 TAknWindowLineLayout naviTextPaneLayout; |
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287 TAknTextLineLayout layout; |
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288 |
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289 // In flat status pane with narrow layout we have another layout |
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290 TBool flatNarrow = AknStatuspaneUtils::FlatLayoutActive() && |
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291 parentRect.Width() > Rect().Width(); |
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292 |
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293 if ( flatNarrow ) |
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294 { |
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295 parentRect = Rect(); |
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296 } |
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297 |
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298 if ( AknStatuspaneUtils::SmallLayoutActive() ) |
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299 { |
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300 layout = AknLayoutScalable_Avkon::status_small_pane_t1( 0 ); |
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301 } |
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302 else |
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303 { |
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304 switch ( iLabelType ) |
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305 { |
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306 case ENavigationLabel: |
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307 { |
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308 if ( flatNarrow ) |
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309 { |
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310 naviPaneLayout = AknLayoutScalable_Avkon::navi_navi_pane_srt().LayoutLine(); |
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311 naviTextPaneLayout = AknLayoutScalable_Avkon::navi_navi_text_pane_srt().LayoutLine(); |
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312 layout = TAknWindowComponentLayout::ComposeText( naviPaneLayout, |
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313 TAknWindowComponentLayout::ComposeText( naviTextPaneLayout, |
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314 AknLayoutScalable_Avkon::navi_navi_text_pane_srt_t1().LayoutLine() ) ); |
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315 } |
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316 else |
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317 { |
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318 naviPaneLayout = AknLayoutScalable_Avkon::navi_navi_pane().LayoutLine(); |
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319 naviTextPaneLayout = AknLayoutScalable_Avkon::navi_navi_text_pane().LayoutLine(); |
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320 layout = TAknWindowComponentLayout::ComposeText( naviPaneLayout, |
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321 TAknWindowComponentLayout::ComposeText( naviTextPaneLayout, |
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322 AknLayoutScalable_Avkon::navi_navi_text_pane_t1().LayoutLine() ) ); |
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323 } |
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324 } |
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325 break; |
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326 |
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327 case EAdditionalInfoLabel: |
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328 { |
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329 if ( flatNarrow ) |
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330 { |
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331 naviTextPaneLayout = AknLayoutScalable_Avkon::navi_text_pane_srt(1).LayoutLine(); |
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332 layout = TAknWindowComponentLayout::ComposeText( naviTextPaneLayout, |
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333 AknLayoutScalable_Avkon::navi_text_pane_srt_t1().LayoutLine() ); |
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334 } |
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335 else |
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336 { |
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337 naviTextPaneLayout = AknLayoutScalable_Avkon::navi_text_pane(1).LayoutLine(); |
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338 layout = TAknWindowComponentLayout::ComposeText( naviTextPaneLayout, |
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339 AknLayoutScalable_Avkon::navi_text_pane_t1().LayoutLine() ); |
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340 } |
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341 } |
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342 break; |
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343 |
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344 case EHintText: |
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345 { |
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346 if ( flatNarrow ) |
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347 { |
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348 naviTextPaneLayout = AknLayoutScalable_Avkon::navi_text_pane_srt(0).LayoutLine(); |
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349 layout = TAknWindowComponentLayout::ComposeText( naviTextPaneLayout, |
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350 AknLayoutScalable_Avkon::navi_text_pane_srt_t1().LayoutLine() ); |
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351 } |
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352 else |
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353 { |
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354 naviTextPaneLayout = AknLayoutScalable_Avkon::navi_text_pane(0).LayoutLine(); |
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355 layout = TAknWindowComponentLayout::ComposeText( naviTextPaneLayout, |
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356 AknLayoutScalable_Avkon::navi_text_pane_t1().LayoutLine() ); |
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357 } |
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358 } |
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359 break; |
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360 |
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361 default: |
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362 break; |
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363 } |
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364 } |
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365 |
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366 // In stacon pane text justification depends on which side the |
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367 // soft keys are. We change justification here manually because |
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368 // the LAF data does not support this yet. So this code overides also |
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369 // A & H mirroring which is supposed to be not used in stacon pane anyway. |
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370 if ( AknStatuspaneUtils::StaconPaneActive() && |
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371 layout.iJ != ELayoutAlignCenter ) |
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372 { |
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373 if ( AknStatuspaneUtils::StaconSoftKeysLeft() ) |
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374 { |
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375 layout.iJ = ELayoutAlignRight; |
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376 } |
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377 else |
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378 { |
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379 layout.iJ = ELayoutAlignLeft; |
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380 } |
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381 } |
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382 // In flat status pane we change justification here manually because |
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383 // the LAF data does not support this yet. This way we avoid odd looking |
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384 // situation where navitexts are in the middle of the status pane area. |
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385 // Right side is more sensible place (left in A&H). |
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386 else if ( AknStatuspaneUtils::FlatLayoutActive() && |
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387 layout.iJ != ELayoutAlignCenter ) |
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388 { |
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389 if ( AknLayoutUtils::LayoutMirrored() ) |
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390 { |
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391 layout.iJ = ELayoutAlignLeft; |
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392 } |
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393 else |
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394 { |
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395 layout.iJ = ELayoutAlignRight; |
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396 } |
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397 } |
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398 |
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399 |
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400 |
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401 TAknLayoutText textLayout; |
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402 textLayout.LayoutText( parentRect, layout ); |
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403 return textLayout; |
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404 } |
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405 |
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406 // End of File |