1 /* |
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2 * Copyright (c) 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: |
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15 * Version : %version: MM_50 % << Don't touch! Updated by Synergy at check-out. |
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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 |
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21 #include "mmlistboxview.h" |
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22 #include "mmlistbox.h" |
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23 #include "mmlistboxitemdrawer.h" |
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24 #include "mmlistboxmodel.h" |
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25 #include "hnsuitemodel.h" |
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26 #include "hnitemsorder.h" |
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27 #include <eikfrlb.h> |
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28 #include <AknUtils.h> |
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29 #include <eikfrlbd.h> |
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30 #include <eikspmod.h> |
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31 #include <aknlayoutscalable_avkon.cdl.h> |
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32 #include <AknsDrawUtils.h> |
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33 |
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34 #ifdef RD_UI_TRANSITION_EFFECTS_LIST |
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35 #include <aknlistboxtfx.h> |
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36 #include <aknlistboxtfxinternal.h> |
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37 #include <akntransitionutils.h> |
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38 #include <aknlistloadertfx.h> |
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39 #endif |
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40 |
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41 CMmListBoxView::CMmListBoxView () |
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42 { |
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43 // No implementation required |
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44 } |
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45 |
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46 // ----------------------------------------------------------------------------- |
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47 // |
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48 // ----------------------------------------------------------------------------- |
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49 // |
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50 CMmListBoxView::~CMmListBoxView () |
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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 // |
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56 // ----------------------------------------------------------------------------- |
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57 // |
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58 CMmListBoxView* CMmListBoxView::NewLC () |
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59 { |
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60 CMmListBoxView* self = new (ELeave)CMmListBoxView(); |
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61 CleanupStack::PushL (self); |
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62 self->ConstructL (); |
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63 return self; |
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64 } |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // |
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68 // ----------------------------------------------------------------------------- |
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69 // |
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70 CMmListBoxView* CMmListBoxView::NewL () |
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71 { |
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72 CMmListBoxView* self=CMmListBoxView::NewLC (); |
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73 CleanupStack::Pop( self ); |
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74 return self; |
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75 } |
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76 |
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77 // ----------------------------------------------------------------------------- |
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78 // |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 void CMmListBoxView::ConstructL () |
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82 { |
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83 iScrollbarIsVisible = ETrue; |
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84 iPreviouslyDrawnCurrentItemIndex = KErrNotFound; |
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85 } |
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86 |
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87 // ----------------------------------------------------------------------------- |
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88 // |
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89 // ----------------------------------------------------------------------------- |
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90 // |
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91 void CMmListBoxView::UpdateAverageItemHeight () |
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92 { |
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93 TInt count( iModel->NumberOfItems() ); |
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94 if ( !count ) |
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95 { |
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96 SetItemHeight( 2 ); |
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97 } |
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98 else |
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99 { |
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100 TInt totalHeight = GetTotalHeight( 0, count - 1 ); |
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101 TInt averageItemHeight = totalHeight / count; |
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102 if ( totalHeight % count ) |
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103 { |
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104 ++averageItemHeight; |
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105 // this ensures that it is always possible to |
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106 // scroll to the very bottom of the view by |
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107 // using scrollbar. |
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108 } |
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109 SetItemHeight( averageItemHeight ); |
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110 } |
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111 } |
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112 // ----------------------------------------------------------------------------- |
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113 // |
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114 // ----------------------------------------------------------------------------- |
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115 // |
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116 TInt CMmListBoxView::GetTotalHeight (const TInt aStartIndex, TInt aEndIndex) const |
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117 { |
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118 TInt totalHeight = 0; |
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119 |
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120 if ( aEndIndex >= 0) |
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121 { |
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122 TInt itemCount = iModel->NumberOfItems (); |
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123 aEndIndex = (aEndIndex >= itemCount ) ? itemCount-1 : aEndIndex; |
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124 CMmListBoxItemDrawer* drawer= STATIC_CAST( CMmListBoxItemDrawer*, iItemDrawer); |
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125 for (TInt i(aStartIndex); i <= aEndIndex; i++) |
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126 { |
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127 totalHeight += drawer->GetItemHeight (i, CurrentItemIndex () == i); |
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128 } |
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129 } |
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130 |
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131 return totalHeight; |
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132 } |
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133 |
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134 // ----------------------------------------------------------------------------- |
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135 // |
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136 // ----------------------------------------------------------------------------- |
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137 // |
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138 TInt CMmListBoxView::GetLastIndexInHeight (const TInt aStartIndex, TInt aHeight) const |
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139 { |
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140 TInt i = aStartIndex; |
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141 TInt totalHeight = 0; |
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142 |
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143 TInt itemCount(iModel->NumberOfItems () ); |
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144 CMmListBoxItemDrawer* drawer= STATIC_CAST( CMmListBoxItemDrawer*, iItemDrawer); |
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145 |
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146 for (; (i > -1) && (i < itemCount); i++) |
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147 { |
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148 totalHeight += drawer->GetItemHeight (i, CurrentItemIndex () == i); |
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149 if ( totalHeight > aHeight) |
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150 break; |
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151 } |
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152 |
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153 TInt ret(i - aStartIndex); |
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154 |
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155 if ( !AknLayoutUtils::PenEnabled() && totalHeight > aHeight ) |
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156 { |
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157 ret--; // exclude partial item |
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158 } |
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159 |
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160 return ret; |
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161 } |
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162 |
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163 // ----------------------------------------------------------------------------- |
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164 // |
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165 // ----------------------------------------------------------------------------- |
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166 // |
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167 TInt CMmListBoxView::NumberOfItemsThatFitInRect(const TRect& aRect) const |
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168 { |
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169 return GetNumberOfItemsThatFitInRect( aRect, EFalse ); |
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170 } |
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171 |
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172 // ----------------------------------------------------------------------------- |
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173 // |
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174 // ----------------------------------------------------------------------------- |
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175 // |
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176 TInt CMmListBoxView::GetNumberOfItemsThatFitInRect (const TRect& aRect, |
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177 TBool aIncludePartialItem ) const |
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178 { |
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179 TInt i = iTopItemIndex; |
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180 TInt totalHeight = iVerticalOffset; |
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181 |
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182 TInt itemCount( iModel->NumberOfItems () ); |
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183 CMmListBoxItemDrawer* drawer= STATIC_CAST( CMmListBoxItemDrawer*, iItemDrawer); |
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184 while (totalHeight < aRect.Height ()) |
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185 { |
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186 totalHeight += ((i > -1) && (i < itemCount )) ? drawer->GetItemHeight ( |
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187 i, CurrentItemIndex () == i) : iItemHeight; |
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188 ++i; |
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189 } |
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190 |
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191 TInt ret(i - iTopItemIndex); |
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192 |
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193 if ( !AknLayoutUtils::PenEnabled() && !aIncludePartialItem && totalHeight > aRect.Height() ) |
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194 { |
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195 ret--; // exclude partial item |
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196 } |
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197 |
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198 return ret; |
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199 } |
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200 |
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201 |
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202 // ----------------------------------------------------------------------------- |
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203 // |
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204 // ----------------------------------------------------------------------------- |
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205 // |
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206 void CMmListBoxView::CalcBottomItemIndex () |
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207 { |
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208 |
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209 TInt numberOfVisibleItems = NumberOfItemsThatFitInRect( iViewRect ); |
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210 iBottomItemIndex = Min( iTopItemIndex + numberOfVisibleItems - 1, |
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211 iModel->NumberOfItems() ); |
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212 |
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213 // The next piece of code removes filtering from find box when |
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214 // new list items are added. |
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215 if ( Flags () & CListBoxView::EItemCountModified) |
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216 { |
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217 CAknFilteredTextListBoxModel *model= STATIC_CAST(CAknFilteredTextListBoxModel*,iModel); |
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218 CAknListBoxFilterItems *filter = model ? model->Filter () : 0; |
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219 if ( filter) |
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220 { |
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221 TRAP_IGNORE(filter->ResetFilteringL()); |
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222 } |
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223 } |
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224 } |
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225 |
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226 // ----------------------------------------------------------------------------- |
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227 // |
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228 // ----------------------------------------------------------------------------- |
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229 // |
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230 void CMmListBoxView::Draw (const TRect* aClipRect) const |
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231 { |
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232 TBool drawingInitiated(EFalse); |
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233 if ( CAknEnv::Static()->TransparencyEnabled() && |
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234 iWin && iWin->GetDrawRect() == TRect::EUninitialized ) |
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235 { |
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236 TRect a(ViewRect()); |
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237 if (!aClipRect || *aClipRect == TRect(0,0,0,0) ) |
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238 { |
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239 aClipRect = &a; |
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240 } |
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241 drawingInitiated=ETrue; |
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242 iWin->Invalidate( *aClipRect ); |
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243 iWin->BeginRedraw( *aClipRect ); |
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244 } |
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245 |
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246 DoDraw(aClipRect); |
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247 |
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248 CMmListBoxItemDrawer* itemDrawer = |
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249 static_cast<CMmListBoxItemDrawer*>(iItemDrawer ); |
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250 if (aClipRect) |
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251 { |
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252 TRect rect(*aClipRect); |
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253 rect.iTl.iY = ItemPos( BottomItemIndex() ).iY + ItemSize( BottomItemIndex() ).iHeight; |
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254 |
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255 // iGc->SetClippingRect( rect ); |
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256 // removed to prevent non-redraw drawing. Was present to prevent out of view drawing when effects are on. |
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257 // could be removed because effects were disabled at some point in edit mode to enhance performance. |
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258 itemDrawer->DrawFloatingItems( rect ); |
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259 // iGc->CancelClippingRect(); |
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260 } |
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261 |
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262 if ( CAknEnv::Static()->TransparencyEnabled() && |
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263 iWin && drawingInitiated ) |
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264 { |
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265 drawingInitiated = EFalse; |
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266 iWin->EndRedraw( ); |
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267 } |
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268 } |
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269 |
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270 // ----------------------------------------------------------------------------- |
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271 // |
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272 // ----------------------------------------------------------------------------- |
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273 // |
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274 void CMmListBoxView::DoDraw(const TRect* aClipRect) const |
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275 { |
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276 CMmListBoxView* view= CONST_CAST( CMmListBoxView*, this ); |
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277 view->UpdateAverageItemHeight (); |
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278 |
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279 CMmListBoxModel* model = static_cast< CMmListBoxModel* > ( iModel ); |
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280 if ( model && model->GetSuiteModel() |
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281 && !model->GetSuiteModel()->GetItemsOrder()->IsSuiteReadyToShow() ) |
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282 { |
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283 return; |
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284 } |
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285 |
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286 if ( RedrawDisabled () || !IsVisible () ) |
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287 { |
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288 return; |
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289 } |
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290 |
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291 TInt i = iTopItemIndex; |
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292 CMmListBoxItemDrawer* itemDrawer = |
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293 static_cast<CMmListBoxItemDrawer*>(iItemDrawer ); |
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294 MAknsSkinInstance *skin = AknsUtils::SkinInstance (); |
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295 CCoeControl* control = itemDrawer->FormattedCellData()->Control (); |
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296 MAknsControlContext *cc = AknsDrawUtils::ControlContext (control); |
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297 |
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298 if ( !cc) |
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299 { |
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300 cc = itemDrawer->FormattedCellData()->SkinBackgroundContext (); |
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301 } |
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302 |
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303 itemDrawer->SetTopItemIndex (iTopItemIndex); |
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304 |
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305 if ( iModel->NumberOfItems () > 0) |
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306 { |
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307 TBool drawingInitiated = ETrue; |
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308 if ( CAknEnv::Static()->TransparencyEnabled () ) |
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309 { |
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310 if ( iWin && iWin->GetDrawRect () == TRect::EUninitialized) |
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311 { |
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312 #ifdef RD_UI_TRANSITION_EFFECTS_LIST |
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313 MAknListBoxTfxInternal* transApi = |
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314 CAknListLoader::TfxApiInternal( iGc ); |
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315 drawingInitiated = transApi && !transApi->EffectsDisabled(); |
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316 #else |
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317 drawingInitiated = EFalse; |
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318 #endif |
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319 } |
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320 |
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321 if ( !drawingInitiated) |
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322 { |
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323 iWin->Invalidate ( *aClipRect); |
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324 iWin->BeginRedraw ( *aClipRect); |
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325 } |
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326 } |
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327 |
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328 TInt lastPotentialItemIndex = Min (iModel->NumberOfItems (), |
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329 iTopItemIndex + GetNumberOfItemsThatFitInRect( ViewRect (), ETrue ) ); |
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330 while (i < lastPotentialItemIndex) |
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331 { |
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332 DrawItem(i++); |
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333 } |
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334 |
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335 RedrawBackground(); |
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336 |
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337 if ( CAknEnv::Static()->TransparencyEnabled () && !drawingInitiated) |
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338 { |
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339 iWin->EndRedraw (); |
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340 } |
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341 } |
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342 |
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343 } |
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344 |
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345 // ----------------------------------------------------------------------------- |
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346 // |
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347 // ----------------------------------------------------------------------------- |
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348 // |
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349 void CMmListBoxView::DrawItem (TInt aItemIndex) const |
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350 { |
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351 CMmListBoxItemDrawer* itemDrawer= STATIC_CAST( CMmListBoxItemDrawer*, iItemDrawer ); |
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352 TBool currentChanged( CurrentItemIndex() != iPreviouslyDrawnCurrentItemIndex ); |
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353 TBool redrawConsumed(EFalse); |
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354 if ( currentChanged ) |
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355 { |
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356 CMmListBoxView* view= CONST_CAST( CMmListBoxView*, this ); |
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357 redrawConsumed = |
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358 static_cast<CMmListBox*> (itemDrawer->Widget())->RedrawIfNecessary( |
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359 iPreviouslyDrawnCurrentItemIndex, |
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360 CurrentItemIndex()); |
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361 view->SetPreviouslyDrawnCurrentItemIndex( CurrentItemIndex() ); |
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362 } |
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363 |
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364 if ( !redrawConsumed ) |
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365 { |
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366 DrawSingleItem ( aItemIndex ); |
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367 } |
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368 } |
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369 |
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370 // ----------------------------------------------------------------------------- |
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371 // |
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372 // ----------------------------------------------------------------------------- |
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373 // |
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374 TSize CMmListBoxView::ItemSize (TInt aItemIndex) const |
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375 { |
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376 CMmListBoxView* view= CONST_CAST( CMmListBoxView*, this ); |
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377 view->UpdateAverageItemHeight (); |
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378 |
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379 CMmListBoxItemDrawer* itemDrawer= STATIC_CAST( CMmListBoxItemDrawer*, iItemDrawer ); |
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380 TSize size(CFormattedCellListBoxView::ItemSize(aItemIndex).iWidth, itemDrawer->GetItemHeight (aItemIndex, |
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381 CurrentItemIndex () == aItemIndex) ); |
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382 |
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383 if ( size.iHeight < 2) |
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384 size.iHeight = 2; |
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385 |
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386 return size; |
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387 } |
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388 |
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389 // ----------------------------------------------------------------------------- |
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390 // |
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391 // ----------------------------------------------------------------------------- |
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392 // |
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393 TPoint CMmListBoxView::ItemPos (TInt aItemIndex) const |
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394 { |
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395 TInt vRealPos = CFormattedCellListBoxView::ItemPos(TopItemIndex()).iY; |
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396 TInt totalHeight = 0; |
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397 if ( aItemIndex > iTopItemIndex ) |
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398 { |
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399 totalHeight = GetTotalHeight( iTopItemIndex, aItemIndex - 1 ); |
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400 } |
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401 else if ( aItemIndex < iTopItemIndex ) |
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402 { |
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403 totalHeight = -GetTotalHeight( aItemIndex, iTopItemIndex - 1 ); |
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404 } |
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405 |
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406 return TPoint (-iHScrollOffset + iViewRect.iTl.iX, iViewRect.iTl.iY |
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407 + totalHeight + vRealPos); |
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408 } |
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409 |
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410 // ----------------------------------------------------------------------------- |
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411 // |
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412 // ----------------------------------------------------------------------------- |
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413 // |
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414 TBool CMmListBoxView::XYPosToItemIndex (TPoint aPosition, TInt& aItemIndex) const |
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415 { |
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416 // returns ETrue and sets aItemIndex to the index of the item whose bounding box contains aPosition |
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417 // returns EFalse if no such item exists |
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418 TBool itemFound = EFalse; |
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419 if ( iViewRect.Contains (aPosition)) |
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420 { |
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421 TInt vRealPos = CFormattedCellListBoxView::ItemPos(TopItemIndex()).iY; |
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422 // aPosition is inside the display area |
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423 TInt numberOfVisibleItems = GetLastIndexInHeight (iTopItemIndex, |
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424 aPosition.iY - iViewRect.iTl.iY - vRealPos ); |
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425 TInt itemAtSpecifiedPos = iTopItemIndex + numberOfVisibleItems; |
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426 aItemIndex = itemAtSpecifiedPos; |
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427 itemFound = ( GetTotalHeight( iTopItemIndex, iBottomItemIndex ) |
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428 >= aPosition.iY ) && ( iModel->NumberOfItems() > itemAtSpecifiedPos ); |
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429 // if ( itemFound ) |
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430 // { |
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431 // // aPosition is inside the display area |
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432 // TInt numberOfVisibleItems = GetLastIndexInHeight (iTopItemIndex, |
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433 // aPosition.iY - iViewRect.iTl.iY); |
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434 // TInt itemAtSpecifiedPos = iTopItemIndex + numberOfVisibleItems; |
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435 // aItemIndex = itemAtSpecifiedPos; |
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436 // } |
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437 } |
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438 return itemFound; |
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439 } |
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440 |
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441 // ----------------------------------------------------------------------------- |
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442 // |
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443 // ----------------------------------------------------------------------------- |
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444 // |
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445 void CMmListBoxView::SetItemHeight (TInt aItemHeight) |
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446 { |
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447 // we need to update the iItemHeight member in widget also (there are two different item height value holders - in widget and here in widget view) |
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448 iItemHeight = aItemHeight; |
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449 |
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450 CMmListBoxItemDrawer* itemDrawer = |
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451 STATIC_CAST( CMmListBoxItemDrawer*, ItemDrawer() ); |
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452 static_cast<CMmListBox*>(itemDrawer->Widget())->SetItemHeight( aItemHeight ); |
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453 |
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454 } |
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455 |
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456 // ----------------------------------------------------------------------------- |
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457 // |
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458 // ----------------------------------------------------------------------------- |
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459 // |
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460 TInt CMmListBoxView::CalcNewTopItemIndexSoItemIsVisible (TInt aItemIndex) const |
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461 { |
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462 CMmListBoxItemDrawer* itemDrawer = |
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463 static_cast<CMmListBoxItemDrawer*>( iItemDrawer ); |
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464 |
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465 TInt newTopItemIndex = iTopItemIndex; |
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466 |
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467 TInt itemHeight = itemDrawer-> |
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468 GetItemHeight( aItemIndex, aItemIndex == CurrentItemIndex() ); |
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469 |
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470 // ItemIsPartiallyVisible uses fixed iItemHeight, but we have to support |
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471 // variable item height in lists, unfortunately ItemIsPartiallyVisible |
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472 // is not virtual |
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473 TPoint itemPosition( ItemPos( aItemIndex ) ); |
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474 TBool itemPartiallyVisible = |
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475 ( itemPosition.iY < iViewRect.iTl.iY && |
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476 itemPosition.iY + itemHeight >= iViewRect.iTl.iY ) || |
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477 ( itemPosition.iY <= iViewRect.iBr.iY && |
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478 itemPosition.iY + itemHeight > iViewRect.iBr.iY ); |
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479 |
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480 TBool itemIsFullyVisible = ItemIsVisible( aItemIndex ) && |
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481 !itemPartiallyVisible; |
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482 |
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483 TBool itemIsAboveVisibleArea = !itemIsFullyVisible && |
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484 ItemPos( aItemIndex ).iY < ViewRect().iTl.iY; |
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485 |
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486 TBool itemIsBeneathVisibleArea = !itemIsFullyVisible && |
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487 !itemIsAboveVisibleArea && ItemPos( aItemIndex ).iY + itemDrawer-> |
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488 GetItemHeight( aItemIndex, aItemIndex == CurrentItemIndex() ) > |
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489 ViewRect().iBr.iY; |
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490 |
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491 if ( itemIsAboveVisibleArea ) |
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492 { |
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493 newTopItemIndex = aItemIndex; |
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494 const_cast<CMmListBoxView*>( this )->SetItemOffsetInPixels( 0 ); |
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495 } |
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496 |
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497 if ( itemIsBeneathVisibleArea ) |
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498 { |
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499 const TInt viewHeight = ViewRect().Height(); |
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500 newTopItemIndex = aItemIndex; |
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501 for ( ;; ) |
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502 { |
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503 TInt totalHeight = GetTotalHeight( newTopItemIndex, aItemIndex ); |
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504 if ( totalHeight >= viewHeight || newTopItemIndex == 0 ) |
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505 { |
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506 const_cast<CMmListBoxView*>( this )->SetItemOffsetInPixels( |
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507 viewHeight - totalHeight ); |
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508 break; |
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509 } |
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510 --newTopItemIndex; |
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511 } |
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512 } |
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513 |
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514 return newTopItemIndex; |
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515 } |
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516 |
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517 // ----------------------------------------------------------------------------- |
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518 // |
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519 // ----------------------------------------------------------------------------- |
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520 // |
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521 void CMmListBoxView::RedrawBackground (TRect aUsedPortionOfViewRect, |
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522 TRect aSmallerViewRect) const |
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523 { |
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524 #ifdef RD_UI_TRANSITION_EFFECTS_LIST |
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525 MAknListBoxTfxInternal* transApi = CAknListLoader::TfxApiInternal(iGc); |
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526 if (transApi) |
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527 { |
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528 transApi->StartDrawing(MAknListBoxTfxInternal::EListView); |
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529 } |
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530 #endif |
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531 |
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532 CMmListBoxItemDrawer* itemDrawer = STATIC_CAST( CMmListBoxItemDrawer*, iItemDrawer ); |
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533 MAknsSkinInstance *skin = AknsUtils::SkinInstance(); |
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534 CCoeControl* control = itemDrawer->FormattedCellData()->Control(); |
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535 MAknsControlContext *cc = AknsDrawUtils::ControlContext(control); |
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536 |
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537 if (control) |
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538 { |
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539 AknsDrawUtils::BackgroundBetweenRects(skin, cc, control, *iGc, |
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540 aSmallerViewRect, aUsedPortionOfViewRect); |
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541 } |
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542 else |
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543 { |
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544 iGc->SetBrushColor(BackColor()); |
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545 DrawUtils::ClearBetweenRects(*iGc, aSmallerViewRect, |
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546 aUsedPortionOfViewRect); |
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547 } |
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548 |
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549 #ifdef RD_UI_TRANSITION_EFFECTS_LIST |
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550 if (transApi) |
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551 { |
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552 transApi->StopDrawing(); |
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553 } |
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554 #endif |
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555 } |
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556 |
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557 // ----------------------------------------------------------------------------- |
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558 // |
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559 // ----------------------------------------------------------------------------- |
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560 // |
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561 void CMmListBoxView::RedrawBackground () const |
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562 { |
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563 #ifdef RD_UI_TRANSITION_EFFECTS_LIST |
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564 CMmListBoxItemDrawer* drawer = |
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565 static_cast<CMmListBoxItemDrawer*>( iItemDrawer ); |
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566 CMmTemplateLibrary* templateLib = drawer->TemplateLibrary(); |
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567 |
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568 TInt usedPortionHeight = GetTotalHeight(iTopItemIndex, iBottomItemIndex ); |
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569 TInt usedPortionWidth = iViewRect.Width(); |
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570 if (templateLib->GetScrollbarVisibility()) |
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571 { |
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572 usedPortionWidth -= templateLib->ScrollbarWidth(); |
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573 } |
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574 |
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575 TRect usedPortionOfViewRect(iViewRect.iTl, TSize(usedPortionWidth, |
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576 usedPortionHeight)); |
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577 usedPortionOfViewRect.Move(0, |
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578 CFormattedCellListBoxView::ItemPos(iTopItemIndex).iY); |
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579 |
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580 RedrawBackground(usedPortionOfViewRect, iViewRect); |
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581 #endif |
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582 } |
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583 |
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584 // ----------------------------------------------------------------------------- |
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585 // |
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586 // ----------------------------------------------------------------------------- |
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587 // |
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588 void CMmListBoxView::SetPreviouslyDrawnCurrentItemIndex( TBool aIndex ) |
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589 { |
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590 iPreviouslyDrawnCurrentItemIndex = aIndex; |
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591 } |
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592 |
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593 // ----------------------------------------------------------------------------- |
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594 // |
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595 // ----------------------------------------------------------------------------- |
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596 // |
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597 void CMmListBoxView::DrawSingleItem (TInt aItemIndex) const |
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598 { |
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599 CMmListBoxItemDrawer* itemDrawer = |
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600 STATIC_CAST( CMmListBoxItemDrawer*, iItemDrawer ); |
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601 TBool highlightVisible = !( itemDrawer->Flags() |
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602 & CListItemDrawer::ESingleClickDisabledHighlight ); |
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603 TSize size = itemDrawer->GetItemSize( aItemIndex, highlightVisible && |
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604 CurrentItemIndex() == aItemIndex ); |
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605 itemDrawer->SetItemCellSize( size ); |
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606 |
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607 // CMmListBoxView* view= CONST_CAST( CMmListBoxView*, this ); |
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608 // view->SetItemHeight( size.iHeight ); |
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609 // The above line (currently commented-out) was originaly needed to correct |
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610 // some drawing-related error which used to occur when moving highlight with |
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611 // rocker keys. It seems that this is no longer needed. If anything should |
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612 // change, please note that now the SetItemHeight method does much more than |
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613 // it used to, so simply uncommenting this line would be a bad idea (consider |
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614 // setting the iItemHeight member variable directly). |
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615 |
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616 CFormattedCellListBoxView::DrawItem (aItemIndex); |
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617 |
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618 //To eliminate the effect of undrawn fragment of background, when the last |
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619 //is drawn, background is refreshed |
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620 if ( aItemIndex == ( iModel->NumberOfItems()-1 ) && ItemIsVisible( iModel->NumberOfItems()-1 ) ) |
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621 { |
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622 CMmListBoxItemDrawer* itemDrawer= STATIC_CAST( CMmListBoxItemDrawer*, iItemDrawer ); |
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623 if ( !itemDrawer->IsEditMode() ) |
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624 { |
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625 RedrawBackground(); |
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626 } |
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627 } |
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628 } |
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629 |
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630 // ----------------------------------------------------------------------------- |
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631 // |
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632 // ----------------------------------------------------------------------------- |
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633 // |
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634 TInt CMmListBoxView::VerticalItemOffset() const |
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635 { |
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636 return iVerticalOffset; |
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637 } |
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638 |
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639 // ----------------------------------------------------------------------------- |
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640 // |
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641 // ----------------------------------------------------------------------------- |
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642 // |
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643 TBool CMmListBoxView::ScrollToMakeItemVisible(TInt aItemIndex) |
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644 { |
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645 TBool scrollConsumed(EFalse); |
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646 if ( !iScrollToItemDisabled ) |
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647 { |
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648 scrollConsumed = CFormattedCellListBoxView::ScrollToMakeItemVisible( |
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649 aItemIndex); |
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650 } |
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651 return scrollConsumed; |
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652 } |
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653 |
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654 // ----------------------------------------------------------------------------- |
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655 // |
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656 // ----------------------------------------------------------------------------- |
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657 // |
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658 void CMmListBoxView::DisableScrollToItem( TBool aDisable ) |
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659 { |
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660 iScrollToItemDisabled = aDisable; |
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661 } |
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662 |
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663 // End of file |
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