1 /* |
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2 * Copyright (c) 2003 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: CScreensaverIndicatorText implementation. |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 #include <AknLayoutFont.h> |
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21 #include <barsread.h> |
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22 |
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23 #include "screensaverindicatortext.h" |
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24 |
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25 |
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26 |
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27 // ----------------------------------------------------------------------------- |
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28 // CScreensaverTextIndicator::Draw |
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29 // ----------------------------------------------------------------------------- |
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30 // |
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31 void CScreensaverIndicatorText::Draw( CWindowGc& aGc ) const |
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32 { |
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33 if ( iFont ) |
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34 { |
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35 aGc.UseFont( iFont ); |
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36 } |
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37 aGc.SetPenColor( iTextColor ); |
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38 |
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39 // Draw normal bidi text |
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40 TBidiText* bidi= NULL; |
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41 TRAPD( err, bidi = TBidiText::NewL( iText, 1 ) ); |
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42 if ( err == KErrNone ) |
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43 { |
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44 bidi->WrapText( Width(), *iFont, NULL ); |
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45 if ( iTextRect.IsEmpty() ) |
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46 { |
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47 bidi->DrawText( aGc, iTopLeft ); |
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48 } |
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49 else |
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50 { |
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51 TPoint pt = iTextRect.iTl; |
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52 pt.iY += iTextOffset; |
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53 bidi->DrawText( aGc, pt ); |
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54 } |
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55 delete bidi; |
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56 } |
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57 } |
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58 |
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59 // ----------------------------------------------------------------------------- |
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60 // CScreensaverTextIndicator::ConstructL |
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61 // ----------------------------------------------------------------------------- |
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62 // |
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63 void CScreensaverIndicatorText::ConstructL( TResourceReader &aReader, |
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64 TUint32 aBgColor, TUint aTextColor ) |
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65 { |
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66 CScreensaverIndicator::ConstructL( aReader, aBgColor, aTextColor ); |
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67 |
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68 iFont = AknLayoutUtils::FontFromId( aReader.ReadInt32() ); |
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69 if ( !iFont ) |
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70 { |
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71 iFont = LatinPlain12(); |
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72 } |
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73 |
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74 } |
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75 |
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76 // ----------------------------------------------------------------------------- |
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77 // CScreensaverTextIndicator::SetupDrawingParameters |
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78 // ----------------------------------------------------------------------------- |
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79 // |
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80 void CScreensaverIndicatorText::SetupDrawingParameters( const TPoint& aCorner, |
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81 const TRect& aParentRect ) |
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82 { |
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83 iVisible = EFalse; |
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84 |
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85 if ( iText.Length() <= 0 ) |
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86 { |
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87 return; |
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88 } |
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89 |
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90 TInt textWidth = ( iFont ? iFont->TextWidthInPixels(iText) + 1 |
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91 : iText.Length() * 11 ); // Should be enough for APAC too |
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92 |
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93 iRect = TRect( 0, 0, textWidth, aParentRect.Size().iHeight ); |
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94 |
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95 iTopLeft.iX = aCorner.iX; |
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96 |
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97 if ( iAlignment == ESsAlignRight ) |
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98 { |
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99 // Change topright to topleft. |
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100 iTopLeft.iX -= iRect.Size().iWidth; |
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101 } |
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102 |
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103 iTopLeft.iY = aCorner.iY + ( aParentRect.Size().iHeight / 2 ) + ( ( aParentRect.Size().iHeight - iFont->HeightInPixels() ) / 2 ) + 2; |
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104 |
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105 // Make sure text rect is not used |
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106 iTextRect.SetRect( 0, 0, 0, 0 ); |
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107 |
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108 iVisible = ETrue; |
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109 } |
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110 |
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111 // ----------------------------------------------------------------------------- |
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112 // CScreensaverTextIndicator::ConstructL |
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113 // ----------------------------------------------------------------------------- |
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114 // |
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115 TBool CScreensaverIndicatorText::CheckVisibilityConditions() const |
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116 { |
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117 return ( iText.Length() > 0 ? ETrue : EFalse ); |
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118 } |
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119 |
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120 // ----------------------------------------------------------------------------- |
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121 // CScreensaverTextIndicator::ConstructL |
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122 // ----------------------------------------------------------------------------- |
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123 // |
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124 void CScreensaverIndicatorText::Payload( TIndicatorPayload &aPayload ) const |
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125 { |
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126 aPayload.iType = EPayloadTypeText; |
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127 aPayload.iText = iText; |
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128 aPayload.iInteger = -1; |
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129 aPayload.iIsDisplayed = Visible(); |
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130 aPayload.iIcon = NULL; |
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131 } |
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132 |
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133 // ----------------------------------------------------------------------------- |
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134 // CScreensaverTextIndicator::ConstructL |
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135 // ----------------------------------------------------------------------------- |
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136 // |
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137 void CScreensaverIndicatorText::SetPayload( const TIndicatorPayload& aPayload ) |
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138 { |
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139 if ( aPayload.iType != EPayloadTypeText ) |
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140 { |
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141 return; |
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142 } |
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143 |
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144 if ( aPayload.iText.Length() > iText.MaxLength() ) |
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145 { |
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146 return; // Don't panic. |
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147 } |
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148 |
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149 iText = aPayload.iText; |
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150 } |
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151 |
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152 // ----------------------------------------------------------------------------- |
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153 // CScreensaverTextIndicator::SetTextLayout |
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154 // Sets text position and font |
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155 // ----------------------------------------------------------------------------- |
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156 // |
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157 void CScreensaverIndicatorText::SetTextLayout( TAknLayoutText& aLayout, TInt aX ) |
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158 { |
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159 // Font from layout |
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160 iFont = aLayout.Font(); |
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161 // Layout MUST have a font |
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162 ASSERT( iFont != NULL ); |
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163 |
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164 // Vertical dimension of text rect from layout |
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165 iTextRect = aLayout.TextRect(); |
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166 |
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167 // Calculate text offset from rect top |
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168 const CAknLayoutFont* layoutFont = |
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169 CAknLayoutFont::AsCAknLayoutFontOrNull( iFont ); |
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170 |
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171 if ( layoutFont ) |
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172 { |
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173 iTextOffset = layoutFont->TextPaneTopToBaseline(); |
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174 } |
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175 else |
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176 { |
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177 iTextOffset = iFont->AscentInPixels(); |
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178 } |
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179 |
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180 // X-pos from parameter |
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181 iTextRect.iTl.iX = aX; |
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182 |
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183 // Initially set indicator rect (this may later be overridden by SetWidth()) |
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184 iRect = TRect( 0, 0, PreferredWidth(), aLayout.TextRect().Height() ); |
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185 |
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186 // If right-aligned, the X-pos indicates right edge - switch to left |
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187 if ( iAlignment == ESsAlignRight ) |
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188 { |
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189 // Change topright to topleft. |
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190 iTextRect.iTl.iX -= Width(); // iRect.Size().iWidth; |
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191 } |
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192 |
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193 // Indicator width = text rect width |
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194 iTextRect.SetWidth( Width() ); |
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195 } |
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196 |
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197 // ----------------------------------------------------------------------------- |
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198 // CScreensaverTextIndicator::PreferredWidth |
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199 // Gets preferred indicator width |
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200 // ----------------------------------------------------------------------------- |
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201 // |
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202 TInt CScreensaverIndicatorText::PreferredWidth() |
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203 { |
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204 TInt textWidth = ( iFont ? iFont->TextWidthInPixels( iText ) + 1 |
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205 : iText.Length() * 11 ); // Should be enough for APAC too |
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206 return textWidth; |
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207 } |
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208 |
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209 // ----------------------------------------------------------------------------- |
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210 // CScreensaverTextIndicator::SetWidth |
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211 // Sets indicator width |
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212 // ----------------------------------------------------------------------------- |
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213 // |
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214 void CScreensaverIndicatorText::SetWidth( TInt iWidth ) |
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215 { |
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216 iRect.SetWidth( iWidth ); |
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217 } |
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218 |
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219 // ----------------------------------------------------------------------------- |
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220 // CScreensaverTextIndicator::SetXPos |
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221 // Sets indicator X-position (new layout) |
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222 // ----------------------------------------------------------------------------- |
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223 // |
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224 void CScreensaverIndicatorText::SetXPos( TInt aX ) |
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225 { |
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226 iTopLeft.iX = aX; |
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227 if ( iAlignment == ESsAlignRight ) |
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228 { |
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229 // Change topright to topleft. |
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230 iTopLeft.iX -= iRect.Size().iWidth; |
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231 } |
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232 } |
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233 |
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234 // End of file |
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