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1 /* |
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2 * Copyright (c) 1998 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: |
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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 <eiklbx.h> // to call static function ListBoxLaf() |
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21 #include <eiklbd.h> |
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22 #include <gdi.h> |
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23 #include <coemain.h> |
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24 #include <eikenv.h> |
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25 #include <eiklbi.h> |
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26 #include "laflbd.h" |
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27 |
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28 #include "akntrace.h" |
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29 |
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30 class MAknsControlContext; |
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31 // |
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32 // class CListBoxDataExtension |
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33 // (private class -- put all interface to CListBoxData instead) |
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34 // |
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35 |
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36 NONSHARABLE_CLASS(CListBoxDataExtension) : public CBase |
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37 { |
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38 public: |
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39 void ConstructL(); |
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40 ~CListBoxDataExtension(); |
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41 public: |
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42 MAknsControlContext* iSkinControlContext; |
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43 TBool iSkinEnabled; |
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44 }; |
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45 |
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46 void CListBoxDataExtension::ConstructL() |
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47 { |
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48 } |
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49 CListBoxDataExtension::~CListBoxDataExtension() |
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50 { |
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51 } |
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52 |
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53 |
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54 /// |
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55 /// class TListBoxBoundValues |
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56 /// |
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57 |
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58 EXPORT_C TListFontBoundValues::TListFontBoundValues() |
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59 : iMaxNormalCharWidthInPixels(0), iHeightInPixels(0) |
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60 { |
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61 } |
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62 |
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63 /// |
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64 /// class CListBoxData |
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65 /// |
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66 |
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67 EXPORT_C CListBoxData::CListBoxData() |
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68 : iAlign(CGraphicsContext::ELeft) |
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69 {} |
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70 |
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71 EXPORT_C CListBoxData::~CListBoxData() |
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72 { |
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73 delete iSearchString; |
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74 delete iLBDExtension; |
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75 } |
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76 |
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77 EXPORT_C MAknsControlContext *CListBoxData::SkinBackgroundControlContext() const |
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78 { |
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79 if (iLBDExtension && iLBDExtension->iSkinEnabled) |
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80 return iLBDExtension->iSkinControlContext; |
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81 return NULL; |
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82 } |
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83 |
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84 EXPORT_C void CListBoxData::SetSkinBackgroundControlContextL(MAknsControlContext *aContext) |
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85 { |
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86 if (iLBDExtension) |
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87 iLBDExtension->iSkinControlContext = aContext; |
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88 } |
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89 |
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90 EXPORT_C void CListBoxData::SetSkinEnabledL(TBool aEnabled) |
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91 { |
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92 if (iLBDExtension) |
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93 iLBDExtension->iSkinEnabled = aEnabled; |
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94 } |
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95 |
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96 EXPORT_C void CListBoxData::ConstructL(const CFont* /* aBaseFont */) |
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97 { |
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98 iLBDExtension = new(ELeave)CListBoxDataExtension; |
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99 iLBDExtension->ConstructL(); |
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100 } |
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101 |
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102 EXPORT_C CFont* CListBoxData::Font(const TListItemProperties& aItemProperties) const |
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103 { |
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104 CArrayPtr<CFont>* fonts=NULL; |
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105 if ((aItemProperties.IsBold()) && (aItemProperties.IsItalics())) |
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106 { |
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107 fonts=iBoldItalicFont.iFonts; |
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108 } |
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109 else if (aItemProperties.IsBold()) |
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110 { |
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111 fonts=iBoldFont.iFonts; |
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112 } |
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113 else if (aItemProperties.IsItalics()) |
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114 { |
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115 fonts=iItalicFont.iFonts; |
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116 } |
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117 else |
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118 fonts=iNormalFont.iFonts; |
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119 if (!fonts || fonts->Count()==0) |
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120 return NULL; |
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121 return fonts->At(0); |
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122 } |
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123 |
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124 EXPORT_C |
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125 void CListBoxData::SetupGc( const TListItemProperties& aItemProperties, |
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126 CWindowGc& aGc) const |
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127 { |
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128 aGc.SetUnderlineStyle(aItemProperties.IsUnderlined() ? EUnderlineOn : EUnderlineOff); |
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129 aGc.SetPenColor(aItemProperties.Color()); |
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130 CFont *font=Font(aItemProperties); |
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131 if(font) |
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132 { |
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133 aGc.UseFont(font); |
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134 } |
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135 } |
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136 |
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137 EXPORT_C const TListFontBoundValues& CListBoxData::FontBoundValues() const |
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138 { |
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139 return iFontBoundValues; |
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140 } |
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141 |
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142 EXPORT_C TInt CListBoxData::SetFontHeight(TInt aFontHeightInTwips) |
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143 { |
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144 TListFontBoundValues newValues; |
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145 iFontBoundValues=newValues; |
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146 TInt retVal = KErrNone; |
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147 retVal = RegenerateFonts(iNormalFont, aFontHeightInTwips); |
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148 if(retVal!=KErrNone) |
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149 return retVal; |
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150 retVal = RegenerateFonts(iBoldFont, aFontHeightInTwips); |
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151 if(retVal!=KErrNone) |
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152 return retVal; |
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153 retVal = RegenerateFonts(iItalicFont, aFontHeightInTwips); |
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154 if(retVal!=KErrNone) |
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155 return retVal; |
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156 retVal = RegenerateFonts(iBoldItalicFont, aFontHeightInTwips); |
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157 return retVal; |
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158 } |
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159 |
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160 EXPORT_C TInt CListBoxData::RegenerateFonts(CFontsWithStyle& aFonts, TInt aFontHeightInTwips) |
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161 { |
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162 TInt retVal=KErrNone; |
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163 if (aFonts.iFonts) |
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164 { |
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165 CGraphicsDevice* screenDevice=CCoeEnv::Static()->ScreenDevice(); |
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166 for (TInt ii=0 ; ii < aFonts.iFonts->Count(); ii++) |
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167 { |
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168 CFont* prevFont=aFonts.iFonts->At(ii); |
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169 TFontSpec fontSpec=prevFont->FontSpecInTwips(); |
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170 fontSpec.iFontStyle=aFonts.FontStyle(); |
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171 fontSpec.iHeight=aFontHeightInTwips; |
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172 CFont* font; |
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173 retVal=screenDevice->GetNearestFontInTwips(font,fontSpec); |
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174 if(retVal!=KErrNone) |
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175 break; |
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176 screenDevice->ReleaseFont(prevFont); |
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177 aFonts.iFonts->At(ii)=font; |
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178 UpdateFontBoundValues(*font); |
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179 } |
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180 } |
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181 return retVal; |
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182 } |
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183 |
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184 EXPORT_C void CListBoxData::ConstructFontL(const CFont* aBaseFont, TFontStyle aFontStyle, CFontsWithStyle& aFonts) |
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185 { |
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186 // Notice! CColumnListBoxData::AddActualFontL function assumes, that |
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187 // this function can leave only in the creation of an array or |
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188 // in appending an item into array.If this fact changes. AddActualFontL |
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189 // has to be rewritten. |
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190 if (!aFonts.iFonts) |
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191 { |
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192 aFonts.iFonts=new (ELeave) CArrayPtrFlat<CFont> (1); |
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193 } |
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194 CFont* font; |
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195 TFontSpec fontSpec=aBaseFont->FontSpecInTwips(); |
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196 fontSpec.iFontStyle=aFontStyle; |
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197 User::LeaveIfError(CCoeEnv::Static()->ScreenDevice()->GetNearestFontInTwips(font,fontSpec)); |
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198 UpdateFontBoundValues(*font); |
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199 aFonts.iFonts->AppendL(font); |
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200 aFonts.SetFontStyle(aFontStyle); |
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201 } |
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202 |
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203 EXPORT_C void CListBoxData::UpdateFontBoundValues(const CFont& aFont) |
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204 { |
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205 if (iFontBoundValues.iMaxNormalCharWidthInPixels<aFont.MaxNormalCharWidthInPixels()) |
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206 { |
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207 iFontBoundValues.iMaxNormalCharWidthInPixels=aFont.MaxNormalCharWidthInPixels(); |
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208 } |
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209 if (iFontBoundValues.iHeightInPixels<aFont.HeightInPixels()) |
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210 { |
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211 iFontBoundValues.iHeightInPixels=aFont.HeightInPixels(); |
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212 } |
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213 } |
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214 |
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215 EXPORT_C void CListBoxData::Reserved_1() |
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216 { |
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217 } |
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218 |
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219 EXPORT_C void CListBoxData::Reserved_2() |
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220 { |
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221 } |
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222 |
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223 // |
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224 // Class CListBoxData::CFontsWithStyle |
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225 // |
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226 |
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227 CListBoxData::CFontsWithStyle::CFontsWithStyle() |
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228 : iFonts (NULL) |
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229 { |
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230 } |
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231 |
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232 CListBoxData::CFontsWithStyle::~CFontsWithStyle() |
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233 { |
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234 ReleaseFonts(); |
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235 delete iFonts; |
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236 } |
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237 |
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238 EXPORT_C void CListBoxData::CFontsWithStyle::ReleaseFonts() |
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239 { |
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240 if (iFonts) |
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241 { |
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242 for (TInt ii=0 ; ii < iFonts->Count(); ii++) |
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243 { |
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244 CCoeEnv::Static()->ScreenDevice()->ReleaseFont(iFonts->At(ii)); |
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245 } |
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246 } |
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247 } |
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248 |
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249 EXPORT_C TFontStyle CListBoxData::CFontsWithStyle::FontStyle() |
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250 { |
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251 return iFontStyle; |
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252 } |
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253 |
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254 |
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255 EXPORT_C void CListBoxData::CFontsWithStyle::SetFontStyle(TFontStyle aFontStyle) |
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256 { |
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257 iFontStyle=aFontStyle; |
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258 } |
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259 |
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260 /** |
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261 * Set search string for search result viewing. |
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262 */ |
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263 EXPORT_C void CListBoxData::SetSearchStringL(const TDesC* aSearchString) |
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264 { |
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265 _AKNTRACE_FUNC_ENTER; |
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266 if (aSearchString==NULL) |
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267 { |
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268 delete iSearchString; |
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269 iSearchString = NULL; |
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270 _AKNTRACE_FUNC_EXIT; |
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271 return; |
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272 } |
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273 TInt length = aSearchString->Length(); |
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274 if (iSearchString) |
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275 { |
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276 if (length>iSearchString->Length()) |
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277 { |
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278 iSearchString = iSearchString->ReAllocL(length); |
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279 } |
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280 } |
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281 else |
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282 { |
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283 iSearchString = HBufC::NewL(length); |
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284 } |
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285 *iSearchString = *aSearchString; |
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286 _AKNTRACE_FUNC_EXIT; |
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287 } |
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288 |
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289 /** |
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290 * Returns ETrue if a search string with a non-zero length has been set for this list box. |
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291 */ |
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292 EXPORT_C TBool CListBoxData::IsSearchString() const |
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293 { |
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294 return (iSearchString && iSearchString->Length()); |
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295 } |
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296 |
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297 |
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298 /** |
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299 * Font Draws list item text so that search string is drawed as bold underlined. |
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300 */ |
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301 EXPORT_C void CListBoxData::DrawItem(CWindowGc& aGc, const TRect& aItemTextRect,const TDesC& aItemText, |
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302 const CFont& aItemFont,const TInt aBaseLineOffset,const CGraphicsContext::TTextAlign aAlign) const |
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303 { |
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304 _AKNTRACE_FUNC_ENTER; |
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305 const TInt strPos=aItemText.FindF(*iSearchString); |
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306 const TInt strLen = iSearchString->Length(); |
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307 |
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308 if (strPos==KErrNotFound) // if there's no search string treat as normal |
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309 { |
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310 /*Call to the laf code which is responsible for drawing a normal text string in a rectangle*/ |
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311 LafTextListItemDrawer::DrawNormalText(aItemText,aItemFont,aGc,aItemTextRect,aBaseLineOffset,aAlign); |
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312 } |
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313 else |
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314 { |
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315 const CFont& boldFont=iBoldFont.iFonts?*(iBoldFont.iFonts->At(0)):aItemFont; |
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316 /*Call to the laf code which is responsible for drawing a search text string in a rectangle*/ |
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317 LafListBoxData::DrawSearchText(aItemTextRect,aGc,aItemFont,boldFont, |
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318 aItemText,strPos,strLen,aBaseLineOffset,aAlign); |
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319 } |
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320 _AKNTRACE_FUNC_EXIT; |
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321 } |