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 * |
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16 */ |
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17 |
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18 |
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19 #include <eikfrlbd.h> |
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20 |
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21 #include "mmgridview.h" |
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22 #include "mmgrid.h" |
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23 #include "mmlistboxitemdrawer.h" |
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24 #ifdef RD_UI_TRANSITION_EFFECTS_LIST |
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25 #include <aknlistloadertfx.h> |
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26 #include <aknlistboxtfxinternal.h> |
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27 #endif |
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28 |
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29 |
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30 // ----------------------------------------------------------------------------- |
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31 // |
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32 // ----------------------------------------------------------------------------- |
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33 // |
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34 CMmGridView::CMmGridView() : |
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35 iLastCurMove( ECursorFirstItem ), iOldIndex( KErrNotFound ) |
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36 { |
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37 // No implementation required |
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38 } |
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39 |
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40 // ----------------------------------------------------------------------------- |
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41 // |
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42 // ----------------------------------------------------------------------------- |
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43 // |
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44 CMmGridView::~CMmGridView() |
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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 // ----------------------------------------------------------------------------- |
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51 // |
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52 CMmGridView* CMmGridView::NewLC() |
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53 { |
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54 CMmGridView* self = new (ELeave)CMmGridView(); |
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55 CleanupStack::PushL(self); |
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56 self->ConstructL(); |
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57 return self; |
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58 } |
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59 |
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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 CMmGridView* CMmGridView::NewL() |
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65 { |
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66 CMmGridView* self = CMmGridView::NewLC(); |
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67 CleanupStack::Pop( self ); |
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68 return self; |
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69 } |
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70 |
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71 // ----------------------------------------------------------------------------- |
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72 // |
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73 // ----------------------------------------------------------------------------- |
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74 // |
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75 void CMmGridView::ConstructL() |
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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 // ----------------------------------------------------------------------------- |
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82 // |
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83 TPoint CMmGridView::ItemPos( TInt aItemIndex ) const |
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84 { |
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85 if ( aItemIndex < 0 ) |
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86 { |
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87 // let avkon handle the insane cases |
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88 return CAknGridView::ItemPos( aItemIndex ); |
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89 } |
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90 |
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91 if ( AknLayoutUtils::LayoutMirrored() ) |
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92 { |
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93 const TInt colNum = NumberOfColsInView(); |
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94 TInt itemCol = aItemIndex % colNum; |
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95 TInt mirroredItemCol = colNum - itemCol - 1; |
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96 aItemIndex = aItemIndex - itemCol + mirroredItemCol; |
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97 } |
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98 |
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99 // return CAknGridView::ItemPos( aItemIndex ); |
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100 return CorrectItemPos( aItemIndex ); |
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101 } |
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102 |
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103 // ----------------------------------------------------------------------------- |
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104 // |
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105 // ----------------------------------------------------------------------------- |
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106 // |
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107 TPoint CMmGridView::CorrectItemPos( TInt aItemIndex ) const |
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108 { |
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109 // it the assertion below fails, review this implementation to make sure that |
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110 // primary vertical case is handled correctly |
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111 ASSERT( !IsPrimaryVertical() ); |
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112 |
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113 ASSERT( aItemIndex >= 0 ); |
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114 const TInt colNum = NumberOfColsInView(); |
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115 TInt itemRow = aItemIndex / colNum; |
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116 TInt itemCol = aItemIndex % colNum; |
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117 |
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118 TInt topItemRow = TopItemIndex() / colNum; |
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119 // __ASSERT_DEBUG( TopItemIndex() % colNum == 0, User::Invariant() ); |
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120 |
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121 // it is safe to assume that size between items is (0, 0) because we |
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122 // explicitly set such value in CMmGrid::DoSetupLayoutL |
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123 const TSize sizeBetweenItems( 0, 0 ); |
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124 |
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125 TPoint itemPos( |
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126 iViewRect.iTl.iX + itemCol * |
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127 ( ColumnWidth() + sizeBetweenItems.iWidth ), |
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128 iViewRect.iTl.iY + (itemRow - topItemRow) * |
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129 ( iItemHeight + sizeBetweenItems.iHeight ) + iVerticalOffset ); |
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130 |
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131 return itemPos; |
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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 TBool CMmGridView::XYPosToItemIndex( TPoint aPosition, TInt& aItemIndex ) const |
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139 { |
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140 if ( AknLayoutUtils::LayoutMirrored() ) |
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141 { |
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142 aPosition.iX = iViewRect.Width() - ( aPosition.iX - iViewRect.iTl.iX ); |
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143 } |
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144 return CAknGridView::XYPosToItemIndex( aPosition, aItemIndex ); |
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145 } |
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146 |
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147 // ----------------------------------------------------------------------------- |
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148 // |
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149 // ----------------------------------------------------------------------------- |
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150 // |
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151 CWindowGc* CMmGridView::Gc() |
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152 { |
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153 return iGc; |
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154 } |
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155 |
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156 // ----------------------------------------------------------------------------- |
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157 // |
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158 // ----------------------------------------------------------------------------- |
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159 // |
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160 void CMmGridView::MoveCursorL( TCursorMovement aCursorMovement, |
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161 TSelectionMode aSelectionMode ) |
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162 { |
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163 #ifdef RD_UI_TRANSITION_EFFECTS_LIST |
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164 iLastCurMove = aCursorMovement; |
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165 iOldIndex = iCurrentItemIndex; |
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166 #endif // RD_UI_TRANSITION_EFFECTS_LIST |
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167 |
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168 CAknGridView::MoveCursorL( aCursorMovement, aSelectionMode ); |
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169 |
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170 #ifdef RD_UI_TRANSITION_EFFECTS_LIST |
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171 iLastCurMove = ECursorFirstItem; |
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172 iOldIndex = KErrNotFound; |
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173 #endif // RD_UI_TRANSITION_EFFECTS_LIST |
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174 } |
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175 |
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176 // ----------------------------------------------------------------------------- |
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177 // |
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178 // ----------------------------------------------------------------------------- |
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179 // |
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180 void CMmGridView::UpdateSelectionL( TSelectionMode aSelectionMode ) |
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181 { |
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182 #ifdef RD_UI_TRANSITION_EFFECTS_LIST |
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183 if ( AknLayoutUtils::LayoutMirrored() ) |
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184 { |
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185 MAknListBoxTfxInternal* api = CAknListLoader::TfxApiInternal( Gc() ); |
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186 TInt row( 0 ); |
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187 TInt col( 0 ); |
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188 TInt newRow( 0 ); |
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189 TInt newCol( 0 ); |
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190 LogicalPosFromListBoxIndex( iOldIndex, row, col ); |
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191 LogicalPosFromListBoxIndex( iCurrentItemIndex, newRow, newCol ); |
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192 if ( api ) |
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193 { |
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194 if ( iLastCurMove == CAknGridView::ECursorNextColumn ) |
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195 { |
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196 if ( newCol < col || newRow != row ) |
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197 api->SetMoveType( MAknListBoxTfxInternal::EListNoMovement ); |
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198 } |
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199 else if ( iLastCurMove == CAknGridView::ECursorPreviousColumn ) |
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200 { |
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201 if ( newCol > col || newRow != row ) |
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202 api->SetMoveType( MAknListBoxTfxInternal::EListNoMovement ); |
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203 } |
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204 } |
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205 } |
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206 #endif // RD_UI_TRANSITION_EFFECTS_LIST |
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207 |
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208 CAknGridView::UpdateSelectionL( aSelectionMode ); |
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209 } |
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210 |
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211 // ----------------------------------------------------------------------------- |
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212 // |
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213 // ----------------------------------------------------------------------------- |
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214 // |
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215 void CMmGridView::Draw(const TRect* aClipRect) const |
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216 { |
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217 const_cast<CMmGridView*>( this )->UpdateItemHeightAndWidth(); |
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218 DoDraw( aClipRect ); |
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219 } |
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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 // |
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225 void CMmGridView::DoDraw(const TRect* aClipRect) const |
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226 { |
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227 CMmListBoxItemDrawer* itemDrawer = static_cast< CMmListBoxItemDrawer*> ( ItemDrawer() ); |
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228 TBool drawingInitiated(EFalse); |
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229 if ( CAknEnv::Static()->TransparencyEnabled() && |
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230 iWin && iWin->GetDrawRect() == TRect::EUninitialized ) |
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231 { |
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232 TRect a; |
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233 if (!aClipRect || *aClipRect == TRect(0,0,0,0) ) |
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234 { |
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235 a = ViewRect(); |
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236 aClipRect = &a; |
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237 } |
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238 |
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239 drawingInitiated=ETrue; |
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240 iWin->Invalidate( *aClipRect ); |
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241 iWin->BeginRedraw( *aClipRect ); |
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242 } |
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243 CAknGridView::Draw( aClipRect ); |
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244 |
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245 if ( aClipRect ) |
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246 { |
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247 TRect rect(*aClipRect); |
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248 TInt lastItemInView = (iModel->NumberOfItems() <= BottomItemIndex() ) |
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249 ? iModel->NumberOfItems()-1 : BottomItemIndex(); |
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250 rect.iTl.iY = ItemPos( lastItemInView ).iY + ItemSize( lastItemInView ).iHeight; |
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251 // iGc->SetClippingRect( rect ); |
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252 // removed to prevent non-redraw drawing. Was present to prevent out of view drawing when effects are on. |
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253 // could be removed because effects were disabled at some point in edit mode to enhance performance. |
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254 itemDrawer->DrawFloatingItems( rect ); |
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255 // iGc->CancelClippingRect(); |
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256 } |
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257 |
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258 // if (aClipRect) |
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259 // { |
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260 // const_cast< CMmGridView* >(this)->Gc()->DrawRect(*aClipRect); |
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261 // } |
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262 |
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263 if ( CAknEnv::Static()->TransparencyEnabled() && |
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264 iWin && drawingInitiated ) |
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265 { |
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266 drawingInitiated = EFalse; |
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267 iWin->EndRedraw( ); |
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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 // ----------------------------------------------------------------------------- |
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275 // |
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276 TInt CMmGridView::VerticalItemOffset() const |
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277 { |
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278 return iVerticalOffset; |
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279 } |
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280 |
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281 // ----------------------------------------------------------------------------- |
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282 // |
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283 // ----------------------------------------------------------------------------- |
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284 // |
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285 void CMmGridView::SetItemHeight(TInt aItemHeight) |
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286 { |
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287 // we need to update the iItemHeight member in grid also (there are two different item height value holders - in grid and here in grid view) |
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288 CMmListBoxItemDrawer* itemDrawer = |
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289 STATIC_CAST( CMmListBoxItemDrawer*, ItemDrawer() ); |
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290 static_cast<CMmGrid*>(itemDrawer->Widget())->SetItemHeight( aItemHeight ); |
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291 |
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292 CAknGridView::SetItemHeight(aItemHeight); |
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293 } |
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294 |
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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 void CMmGridView::UpdateItemHeightAndWidth() |
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300 { |
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301 if ( iModel && iModel->NumberOfItems() ) |
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302 { |
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303 CMmListBoxItemDrawer* itemDrawer = |
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304 STATIC_CAST( CMmListBoxItemDrawer*, ItemDrawer() ); |
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305 TSize size = itemDrawer->GetItemSize( 0, EFalse ); |
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306 if ( itemDrawer->ItemCellSize() != size ) |
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307 { |
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308 const_cast<CMmGridView*>( this )->SetItemHeight( size.iHeight ); |
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309 const_cast<CMmGridView*>( this )->SetColumnWidth( size.iWidth ); |
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310 } |
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311 } |
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312 } |
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313 |
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314 //End of file |
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