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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 <aknlists.h> |
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20 #include <eikspmod.h> |
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21 #include <eikclb.h> |
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22 #include <eikfrlb.h> |
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23 #include <eikslb.h> |
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24 #include <AknUtils.h> |
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25 #include <aknlayoutscalable_avkon.cdl.h> |
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26 #include <aknlayoutscalable_apps.cdl.h> |
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27 #include <layoutmetadata.cdl.h> |
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28 |
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29 #ifdef RD_UI_TRANSITION_EFFECTS_LIST |
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30 #include <aknlistboxtfxinternal.h> |
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31 #include <akntransitionutils.h> |
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32 #include <aknlistloadertfx.h> |
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33 #endif |
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34 |
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35 #include "mmlistboxmodel.h" |
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36 #include "mmlistbox.h" |
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37 #include "mmlistboxview.h" |
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38 #include "mmlistboxitemdrawer.h" |
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39 #include "mmmarqueeadapter.h" |
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40 #include "mmwidgetcontainer.h" |
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41 #include "mmwidgetsconstants.h" |
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42 #include "mmdraweranimator.h" |
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43 #include "mmtemplatelibrary.h" |
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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 CMmListBox::CMmListBox() : AKNDOUBLELISTBOXNAME(R_LIST_PANE_LINES_AB_COLUMN) |
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51 { |
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52 // No implementation required |
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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 // |
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59 CMmListBox::~CMmListBox() |
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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 // |
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65 // ----------------------------------------------------------------------------- |
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66 // |
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67 CMmListBox* CMmListBox::NewLC( const CCoeControl* aParent, TInt aFlags, |
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68 CMmTemplateLibrary* aTemplateLibrary ) |
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69 { |
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70 CMmListBox* self = new (ELeave)CMmListBox(); |
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71 CleanupStack::PushL(self); |
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72 self->ConstructL( aParent, aFlags, aTemplateLibrary ); |
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73 return self; |
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74 } |
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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 void CMmListBox::SetListFlag( TInt aFlag ) |
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81 { |
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82 iListBoxFlags = iListBoxFlags | aFlag; |
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83 } |
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84 |
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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 void CMmListBox::ClearListFlag( TInt aFlag ) |
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90 { |
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91 iListBoxFlags = iListBoxFlags & !aFlag; |
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92 } |
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93 |
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94 // ----------------------------------------------------------------------------- |
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95 // |
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96 // ----------------------------------------------------------------------------- |
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97 // |
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98 CMmListBox* CMmListBox::NewL( const CCoeControl* aParent, TInt aFlags, |
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99 CMmTemplateLibrary* aTemplateLibrary ) |
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100 { |
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101 CMmListBox* self = CMmListBox::NewLC( aParent, aFlags, aTemplateLibrary ); |
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102 CleanupStack::Pop( self ); |
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103 return self; |
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104 } |
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105 |
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106 // ----------------------------------------------------------------------------- |
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107 // |
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108 // ----------------------------------------------------------------------------- |
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109 // |
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110 void CMmListBox::ConstructL( const CCoeControl* aParent, TInt aFlags, |
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111 CMmTemplateLibrary* aTemplateLibrary ) |
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112 { |
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113 iDisableChildComponentDrawing = EFalse; |
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114 iModel = iMmModel = CMmListBoxModel::NewL(); |
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115 CreateItemDrawerL( aTemplateLibrary ); |
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116 |
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117 EnableExtendedDrawingL(); |
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118 |
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119 |
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120 iItemDrawer->SetDrawMark(EFalse); |
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121 CEikListBox::ConstructL(aParent,aFlags); |
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122 iMmDrawer->SetView( this ); |
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123 } |
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124 |
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125 // ----------------------------------------------------------------------------- |
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126 // |
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127 // ----------------------------------------------------------------------------- |
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128 // |
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129 void CMmListBox::HandlePointerEventInEditModeL( |
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130 const TPointerEvent& aPointerEvent ) |
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131 { |
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132 TInt itemUnderPointerIndex = KErrNotFound; |
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133 if ( aPointerEvent.iType == TPointerEvent::EButton1Up || |
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134 aPointerEvent.iType == TPointerEvent::EButton1Down ) |
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135 { |
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136 CEikFormattedCellListBoxTypedef::HandlePointerEventL( aPointerEvent ); |
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137 } |
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138 else if ( View()->XYPosToItemIndex( |
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139 aPointerEvent.iPosition, itemUnderPointerIndex ) ) |
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140 { |
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141 TInt currentItemIndex = CurrentItemIndex(); |
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142 if ( currentItemIndex != itemUnderPointerIndex ) |
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143 { |
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144 View()->SetCurrentItemIndex( itemUnderPointerIndex ); |
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145 // remove hightlight from the previously highlighted item |
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146 } |
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147 } |
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148 HandleScrollingInEditMode( aPointerEvent ); |
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149 } |
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150 |
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151 // ----------------------------------------------------------------------------- |
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152 // |
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153 // ----------------------------------------------------------------------------- |
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154 // |
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155 void CMmListBox::HandleScrollingInEditMode( const TPointerEvent& aPointerEvent ) |
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156 { |
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157 if ( aPointerEvent.iType == TPointerEvent::EDrag |
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158 || aPointerEvent.iType == TPointerEvent::EButtonRepeat ) |
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159 { |
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160 TInt nextScrollDelay = ScrollIfNeeded( aPointerEvent ); |
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161 if ( nextScrollDelay ) |
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162 { |
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163 TRect ignoreDragRect( |
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164 TPoint(aPointerEvent.iParentPosition.iX - MmEffects::KDragIgnoreRectValue, |
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165 aPointerEvent.iParentPosition.iY - MmEffects::KDragIgnoreRectValue), |
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166 TPoint(aPointerEvent.iParentPosition.iX + MmEffects::KDragIgnoreRectValue, |
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167 aPointerEvent.iParentPosition.iY + MmEffects::KDragIgnoreRectValue)); |
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168 |
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169 Window().CancelPointerRepeatEventRequest(); |
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170 Window().RequestPointerRepeatEvent( nextScrollDelay, ignoreDragRect ); |
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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 // |
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177 // ----------------------------------------------------------------------------- |
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178 // |
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179 TBool CMmListBox::IsPointerInTopScrollingThreshold( |
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180 const TPointerEvent& aPointerEvent ) const |
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181 { |
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182 TInt topScrollingTreshold = Rect().iTl.iY |
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183 + ( MmEffects::KFocusScrollingThreshold |
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184 * TReal( View()->ItemSize().iHeight ) ); |
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185 |
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186 return ( aPointerEvent.iPosition.iY < topScrollingTreshold ); |
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187 } |
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188 |
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189 // ----------------------------------------------------------------------------- |
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190 // |
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191 // ----------------------------------------------------------------------------- |
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192 // |
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193 TBool CMmListBox::IsPointerInBottomScrollingThreshold( |
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194 const TPointerEvent& aPointerEvent ) const |
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195 { |
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196 TInt bottomScrollingTreshold = Rect().iBr.iY |
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197 - ( MmEffects::KFocusScrollingThreshold |
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198 * TReal( View()->ItemSize().iHeight ) ); |
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199 |
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200 return ( aPointerEvent.iPosition.iY > bottomScrollingTreshold ); |
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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 // |
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207 TInt CMmListBox::ScrollIfNeeded( const TPointerEvent& aPointerEvent ) |
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208 { |
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209 TInt nextScrollDelay = 0; |
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210 |
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211 TBool readyForScrolling = |
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212 iMmDrawer->GetAnimator()->IsReadyForNewAnimation() |
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213 && iMmDrawer->GetFloatingItemCount() != 0; |
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214 |
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215 if ( IsPointerInTopScrollingThreshold( aPointerEvent ) ) |
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216 { |
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217 // scroll up by one row |
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218 TInt newCurrentItemIndex = CurrentItemIndex() - 1; |
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219 |
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220 if ( newCurrentItemIndex >= 0 ) |
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221 { |
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222 nextScrollDelay = MmEffects::KEditModeScrollingDelayFactor * |
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223 Max( 1, aPointerEvent.iPosition.iY - Rect().iTl.iY ); |
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224 if (readyForScrolling) |
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225 { |
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226 View()->VScrollTo( View()->CalcNewTopItemIndexSoItemIsVisible( |
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227 newCurrentItemIndex ) ); |
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228 View()->SetCurrentItemIndex( newCurrentItemIndex ); |
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229 UpdateScrollBarThumbs(); |
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230 } |
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231 } |
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232 } |
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233 else if ( IsPointerInBottomScrollingThreshold( aPointerEvent) ) |
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234 { |
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235 // scroll down by one row |
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236 TInt lastItemIndex = iModel->NumberOfItems() - 1; |
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237 TInt newCurrentItemIndex = CurrentItemIndex() + 1; |
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238 |
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239 |
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240 if ( newCurrentItemIndex <= lastItemIndex ) |
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241 { |
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242 nextScrollDelay = MmEffects::KEditModeScrollingDelayFactor * |
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243 Max( 1, Rect().iBr.iY - aPointerEvent.iPosition.iY ); |
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244 |
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245 if (readyForScrolling) |
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246 { |
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247 View()->VScrollTo( View()->CalcNewTopItemIndexSoItemIsVisible( |
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248 newCurrentItemIndex ) ); |
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249 View()->SetCurrentItemIndex( newCurrentItemIndex ); |
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250 UpdateScrollBarThumbs(); |
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251 } |
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252 } |
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253 } |
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254 |
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255 return nextScrollDelay; |
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256 } |
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257 |
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258 // ----------------------------------------------------------------------------- |
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259 // |
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260 // ----------------------------------------------------------------------------- |
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261 // |
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262 void CMmListBox::HandlePointerEventL(const TPointerEvent& aPointerEvent) |
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263 { |
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264 // if ( aPointerEvent.iType == TPointerEvent::EButton1Down && |
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265 // iMmDrawer->CachedDataUseIsEnabled() ) |
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266 // { |
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267 // // Touching the screen stops flick but avkon does not send us |
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268 // // MEikListBoxObserver::EEventFlickStopped event in such case. |
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269 // // Thus this little hack: |
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270 // iMmDrawer->EnableCachedDataUse( EFalse ); |
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271 // DrawView(); |
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272 // } |
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273 |
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274 CMmWidgetContainer* parent = static_cast<CMmWidgetContainer*>( Parent() ); |
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275 |
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276 if ( parent->IsEditMode() ) |
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277 { |
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278 HandlePointerEventInEditModeL( aPointerEvent ); |
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279 } |
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280 else |
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281 { |
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282 CEikFormattedCellListBoxTypedef::HandlePointerEventL( aPointerEvent ); |
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283 } |
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284 |
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285 if ( iMmDrawer->GetAnimator()->IsActive() ) |
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286 { |
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287 iMmDrawer->GetAnimator()->CancelNextRedrawL(); |
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288 } |
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289 |
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290 } |
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291 |
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292 // ----------------------------------------------------------------------------- |
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293 // |
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294 // ----------------------------------------------------------------------------- |
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295 // |
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296 void CMmListBox::FixViewForMirroredLayout() |
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297 { |
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298 TInt scrollbarWidth = |
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299 ScrollBarFrame()->VerticalScrollBar()->Rect().Width(); |
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300 TRect r( View()->ViewRect() ); |
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301 TInt currentShift = r.iTl.iX; |
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302 TBool scrollbarVisible = ScrollBarFrame()->VerticalScrollBar()->IsVisible(); |
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303 TBool layoutMirrored = AknLayoutUtils::LayoutMirrored(); |
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304 |
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305 if ( layoutMirrored && scrollbarVisible && currentShift != scrollbarWidth ) |
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306 { |
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307 // shift view rect to the right |
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308 r.Move( scrollbarWidth - currentShift, 0 ); |
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309 View()->SetViewRect( r ); |
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310 } |
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311 else if ( ( !layoutMirrored || !scrollbarVisible ) && currentShift != 0 ) |
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312 { |
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313 // restore view rect to its normal position |
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314 r.Move( -currentShift, 0 ); |
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315 View()->SetViewRect( r ); |
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316 } |
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317 } |
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318 |
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319 // ----------------------------------------------------------------------------- |
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320 // |
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321 // ----------------------------------------------------------------------------- |
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322 // |
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323 void CMmListBox::RedrawScrollbarBackground() const |
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324 { |
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325 TRect viewRect( View()->ViewRect() ); |
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326 if ( viewRect.iTl.iX > 0 ) |
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327 { |
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328 TRect scrollbarRect( TPoint( 0, 0 ), |
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329 TSize( viewRect.iTl.iX, viewRect.Height() ) ); |
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330 |
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331 CWindowGc* gc = iItemDrawer->Gc(); |
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332 CMmListBoxItemDrawer* itemDrawer = |
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333 static_cast<CMmListBoxItemDrawer*>( iItemDrawer ); |
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334 MAknsSkinInstance *skin = AknsUtils::SkinInstance(); |
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335 CCoeControl* control = itemDrawer->FormattedCellData()->Control(); |
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336 MAknsControlContext *cc = AknsDrawUtils::ControlContext( control ); |
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337 if( gc ) |
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338 { |
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339 if ( control ) |
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340 { |
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341 AknsDrawUtils::Background( skin, cc, control, *gc, scrollbarRect ); |
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342 } |
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343 else |
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344 { |
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345 gc->SetBrushColor( BackColor() ); |
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346 gc->Clear( scrollbarRect ); |
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347 } |
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348 } |
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349 } |
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350 } |
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351 |
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352 // ----------------------------------------------------------------------------- |
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353 // |
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354 // ----------------------------------------------------------------------------- |
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355 // |
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356 TKeyResponse CMmListBox::OfferKeyEventL( |
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357 const TKeyEvent& aKeyEvent,TEventCode aType ) |
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358 { |
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359 TInt itemIndex = CurrentItemIndex(); |
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360 TInt previousItemIndex = CurrentItemIndex(); |
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361 TKeyResponse ret = CEikFormattedCellListBoxTypedef::OfferKeyEventL( |
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362 aKeyEvent, aType ); |
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363 TInt currentItemIndex = CurrentItemIndex(); |
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364 |
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365 TInt itemY = View()->ItemPos( currentItemIndex ).iY |
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366 + View()->ItemSize( currentItemIndex ).iHeight; |
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367 |
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368 if ( currentItemIndex == BottomItemIndex() |
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369 && currentItemIndex != previousItemIndex |
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370 && itemY > View()->ViewRect().iBr.iY ) |
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371 { |
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372 if( aType == EEventKey ) |
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373 { |
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374 #ifdef RD_UI_TRANSITION_EFFECTS_LIST |
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375 MAknListBoxTfxInternal* transApi = CAknListLoader::TfxApiInternal( |
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376 View()->ItemDrawer()->Gc() ); |
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377 TBool effects = transApi && !transApi->EffectsDisabled(); |
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378 if ( effects ) |
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379 { |
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380 transApi->SetMoveType( MAknListBoxTfxInternal::EListScrollDown ); |
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381 } |
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382 #endif |
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383 iView->VScrollTo( |
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384 iView->CalcNewTopItemIndexSoItemIsVisible( currentItemIndex ) ); |
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385 |
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386 #ifdef RD_UI_TRANSITION_EFFECTS_LIST |
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387 if ( effects ) |
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388 { |
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389 transApi->Draw( Rect() ); |
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390 } |
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391 #endif |
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392 } |
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393 SetCurrentItemIndex( currentItemIndex ); |
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394 } |
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395 |
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396 RedrawIfNecessary( itemIndex, CurrentItemIndex()); |
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397 return ret; |
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398 } |
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399 |
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400 // ----------------------------------------------------------------------------- |
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401 // |
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402 // ----------------------------------------------------------------------------- |
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403 // |
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404 TBool CMmListBox::RedrawIfNecessary( TInt aPreviousCurrent, TInt aCurrent ) |
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405 { |
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406 TBool redrawConsumed( EFalse ); |
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407 if( aCurrent == KErrNotFound ) |
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408 { |
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409 return redrawConsumed; |
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410 } |
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411 |
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412 CMmListBoxView * view = static_cast<CMmListBoxView *>(iView); |
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413 TInt differenceIndex = Abs( aPreviousCurrent - aCurrent ); |
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414 if ( aPreviousCurrent == KErrNotFound || differenceIndex == 0 ) |
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415 { |
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416 //TODO: It should be checked if this is really necessary |
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417 view->RedrawBackground(); |
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418 return redrawConsumed; |
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419 } |
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420 |
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421 TInt sizePrevBefore = iMmDrawer->GetItemHeight(aPreviousCurrent, ETrue); |
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422 TInt sizeCurBefore = iMmDrawer->GetItemHeight(aCurrent, EFalse); |
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423 TInt sizePrevAfter = iMmDrawer->GetItemHeight(aPreviousCurrent, EFalse); |
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424 TInt sizeCurAfter = iMmDrawer->GetItemHeight(aCurrent, ETrue); |
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425 |
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426 if ( ( sizePrevBefore == sizePrevAfter ) && (sizeCurBefore == sizeCurAfter) ) |
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427 { |
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428 return redrawConsumed; |
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429 } |
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430 else |
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431 { |
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432 TInt sizeAllBefore = sizePrevBefore + sizePrevAfter; |
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433 TInt sizeAllAfter = sizeCurBefore + sizeCurAfter; |
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434 |
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435 TInt lastPotentialItemIndex = Min( iModel->NumberOfItems(), |
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436 iView->TopItemIndex() + iView->NumberOfItemsThatFitInRect( |
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437 iView->ViewRect() ) ); |
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438 TInt redrawIndex = lastPotentialItemIndex; |
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439 |
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440 if ( differenceIndex == 1 ) |
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441 { |
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442 if( sizeAllBefore != sizeAllAfter ) |
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443 { |
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444 redrawIndex = Min( aPreviousCurrent, aCurrent ); |
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445 } |
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446 else |
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447 { |
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448 return redrawConsumed; |
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449 } |
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450 } |
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451 else if ( differenceIndex > 1 && sizeAllBefore == sizeAllAfter ) |
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452 { |
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453 redrawIndex = Min( aPreviousCurrent, aCurrent ); |
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454 lastPotentialItemIndex = Max( aPreviousCurrent, aCurrent ); |
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455 } |
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456 else if ( differenceIndex > 1 ) |
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457 { |
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458 redrawIndex = Min( aPreviousCurrent, aCurrent ); |
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459 } |
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460 |
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461 if (redrawIndex < iView->TopItemIndex()) |
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462 redrawIndex = iView->TopItemIndex(); |
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463 |
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464 if (lastPotentialItemIndex > iView->BottomItemIndex()) |
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465 lastPotentialItemIndex = iView->BottomItemIndex(); |
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466 |
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467 if ( aPreviousCurrent < TopItemIndex() ) |
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468 { |
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469 lastPotentialItemIndex = BottomItemIndex() ; |
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470 } |
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471 else if ( BottomItemIndex() < aPreviousCurrent ) |
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472 { |
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473 lastPotentialItemIndex = BottomItemIndex() + 1; |
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474 } |
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475 |
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476 while ( redrawIndex < lastPotentialItemIndex +1 ) |
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477 { |
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478 view->DrawSingleItem( redrawIndex++ ); |
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479 redrawConsumed = ETrue; |
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480 } |
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481 |
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482 view->RedrawBackground(); |
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483 } |
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484 return redrawConsumed; |
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485 } |
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486 |
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487 // ----------------------------------------------------------------------------- |
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488 // |
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489 // ----------------------------------------------------------------------------- |
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490 // |
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491 void CMmListBox::CreateItemDrawerL( CMmTemplateLibrary* aTemplateLibrary ) |
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492 { |
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493 CFormattedCellListBoxData* cellData=CFormattedCellListBoxData::NewL(); |
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494 CleanupStack::PushL( cellData ); |
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495 iItemDrawer = iMmDrawer = CMmListBoxItemDrawer::NewL( MmModel(), |
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496 iEikonEnv->NormalFont(), cellData, EListbox, aTemplateLibrary ); |
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497 CleanupStack::Pop( cellData ); |
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498 } |
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499 |
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500 // ----------------------------------------------------------------------------- |
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501 // |
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502 // ----------------------------------------------------------------------------- |
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503 // |
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504 CMmListBoxModel* CMmListBox::MmModel() |
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505 { |
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506 return iMmModel; |
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507 } |
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508 |
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509 // ----------------------------------------------------------------------------- |
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510 // |
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511 // ----------------------------------------------------------------------------- |
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512 // |
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513 void CMmListBox::SetMmModel( CMmListBoxModel* aMmModel ) |
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514 { |
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515 if ( iMmModel != aMmModel ) |
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516 { |
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517 delete iMmModel; |
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518 iMmModel = aMmModel; |
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519 } |
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520 } |
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521 |
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522 // ----------------------------------------------------------------------------- |
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523 // |
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524 // ----------------------------------------------------------------------------- |
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525 // |
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526 CListBoxView* CMmListBox::MakeViewClassInstanceL() |
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527 { |
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528 return CMmListBoxView::NewL(); |
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529 } |
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530 |
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531 // ----------------------------------------------------------------------------- |
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532 // |
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533 // ----------------------------------------------------------------------------- |
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534 // |
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535 TInt CMmListBox::AdjustRectHeightToWholeNumberOfItems(TRect& /*aRect*/) const |
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536 { |
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537 return KErrNone; |
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538 } |
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539 |
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540 // ----------------------------------------------------------------------------- |
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541 // |
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542 // ----------------------------------------------------------------------------- |
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543 // |
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544 void CMmListBox::SetItemDrawerAndViewBgContext (CAknsBasicBackgroundControlContext * aBgContext) |
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545 { |
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546 iMmDrawer->SetBgContext (aBgContext); |
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547 } |
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548 |
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549 // ----------------------------------------------------------------------------- |
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550 // |
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551 // ----------------------------------------------------------------------------- |
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552 // |
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553 TBool CMmListBox::HandleScrollbarVisibilityChangeL() |
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554 { |
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555 TBool ret = EFalse; |
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556 if ( AllItemsFitInViewRect() ) |
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557 { |
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558 if ( ScrollBarFrame()->VerticalScrollBar()->IsVisible() |
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559 || iMmDrawer->TemplateLibrary()->GetScrollbarVisibility() ) |
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560 { |
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561 ScrollBarFrame()->VerticalScrollBar()->MakeVisible( EFalse ); |
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562 iMmDrawer->SetScrollbarVisibilityL( EFalse ); |
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563 |
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564 #ifdef RD_UI_TRANSITION_EFFECTS_LIST |
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565 MAknListBoxTfxInternal *trans = CAknListLoader::TfxApiInternal( ItemDrawer()->Gc() ); |
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566 if ( trans ) |
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567 { |
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568 trans->Remove( MAknListBoxTfxInternal::EListEverything ); |
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569 } |
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570 #endif |
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571 |
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572 ret = ETrue; //redraw is needed |
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573 } |
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574 } |
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575 else if ( !ScrollBarFrame()->VerticalScrollBar()->IsVisible() |
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576 || !iMmDrawer->TemplateLibrary()->GetScrollbarVisibility() ) |
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577 { |
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578 ScrollBarFrame()->VerticalScrollBar()->MakeVisible( ETrue ); |
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579 iMmDrawer->SetScrollbarVisibilityL( ETrue ); |
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580 ret = ETrue; //redraw is needed |
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581 } |
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582 return ret; |
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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 // ----------------------------------------------------------------------------- |
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589 // |
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590 TBool CMmListBox::AllItemsFitInViewRect() |
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591 { |
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592 CMmListBoxView* view = static_cast< CMmListBoxView* >(iView); |
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593 TInt totalHeight = view->GetTotalHeight( view->TopItemIndex(), view->BottomItemIndex()); |
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594 if ( view->TopItemIndex() == 0 && iMmModel->NumberOfItems() <= view->BottomItemIndex() + 1 |
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595 && totalHeight <= iView->ViewRect().Height() ) |
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596 { |
|
597 return ETrue; |
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598 } |
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599 else |
|
600 { |
|
601 return EFalse; |
|
602 } |
|
603 } |
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604 |
|
605 /** |
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606 * Helper class whose only purpose is to ensure that |
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607 * ScrollToItem method will be always re-enabled. |
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608 */ |
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609 struct TScrollToItemEnabler |
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610 { |
|
611 CMmListBoxView* iV; |
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612 void Close() { iV->DisableScrollToItem( EFalse ); } |
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613 }; |
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614 |
|
615 // ----------------------------------------------------------------------------- |
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616 // |
|
617 // ----------------------------------------------------------------------------- |
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618 // |
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619 void CMmListBox::UpdateScrollBarsL() |
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620 { |
|
621 TBool redrawNeeded = HandleScrollbarVisibilityChangeL(); |
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622 if (ScrollBarFrame()->VerticalScrollBar()->IsVisible()) |
|
623 { |
|
624 CMmListBoxView* view = static_cast<CMmListBoxView*>( View() ); |
|
625 view->DisableScrollToItem( ETrue ); |
|
626 TScrollToItemEnabler reverter = { view }; |
|
627 CleanupClosePushL( reverter ); |
|
628 CEikFormattedCellListBoxTypedef::UpdateScrollBarsL(); |
|
629 CleanupStack::PopAndDestroy( &reverter ); |
|
630 } |
|
631 iMmDrawer->TemplateLibrary()->SetScrollbarWidthL( |
|
632 ScrollBarFrame()->VerticalScrollBar()->Rect().Width() ); |
|
633 FixViewForMirroredLayout(); |
|
634 if ( redrawNeeded ) |
|
635 { |
|
636 DrawNow(); |
|
637 } |
|
638 } |
|
639 |
|
640 // ----------------------------------------------------------------------------- |
|
641 // |
|
642 // ----------------------------------------------------------------------------- |
|
643 // |
|
644 void CMmListBox::UpdateScrollBarsNoRedrawL() |
|
645 { |
|
646 HandleScrollbarVisibilityChangeL(); |
|
647 if ( ScrollBarFrame()->VerticalScrollBar()->IsVisible() ) |
|
648 { |
|
649 CMmListBoxView* view = static_cast<CMmListBoxView*>( View() ); |
|
650 view->DisableScrollToItem( ETrue ); |
|
651 TScrollToItemEnabler reverter = { view }; |
|
652 CleanupClosePushL( reverter ); |
|
653 CEikFormattedCellListBoxTypedef::UpdateScrollBarsL(); |
|
654 CleanupStack::PopAndDestroy( &reverter ); |
|
655 iMmDrawer->TemplateLibrary()->SetScrollbarWidthL( |
|
656 ScrollBarFrame()->VerticalScrollBar()->Rect().Width() ); |
|
657 } |
|
658 } |
|
659 |
|
660 // ----------------------------------------------------------------------------- |
|
661 // |
|
662 // ----------------------------------------------------------------------------- |
|
663 // |
|
664 void CMmListBox::SetMarqueeAdapter( CMmMarqueeAdapter* aAdapter ) |
|
665 { |
|
666 iMarqueeAdapter = aAdapter; |
|
667 iMarqueeAdapter->SetControl( const_cast< CMmListBox *>(this) ); |
|
668 } |
|
669 |
|
670 // ----------------------------------------------------------------------------- |
|
671 // |
|
672 // ----------------------------------------------------------------------------- |
|
673 // |
|
674 void CMmListBox::SetMarqueeDrawing( TBool aIsMarqueeBeingDrawn ) |
|
675 { |
|
676 iMmDrawer->SetMarqueeDrawing( aIsMarqueeBeingDrawn ); |
|
677 } |
|
678 |
|
679 // ----------------------------------------------------------------------------- |
|
680 // |
|
681 // ----------------------------------------------------------------------------- |
|
682 // |
|
683 void CMmListBox::HandleItemRemovalL() |
|
684 { |
|
685 CEikFormattedCellListBoxTypedef::HandleItemRemovalL(); |
|
686 DrawNow(); |
|
687 //avkon does not redraw the items for listbox when item is |
|
688 //removed. This needs to be forced here. |
|
689 UpdateScrollBarsL(); |
|
690 } |
|
691 |
|
692 // ----------------------------------------------------------------------------- |
|
693 // If a parent to the supplied control has its Gc set, this function will find |
|
694 // it and return it. (Copied from EIKLBX.CPP, needed by CMmListBox::Draw) |
|
695 // ----------------------------------------------------------------------------- |
|
696 // |
|
697 LOCAL_C CWindowGc* ReplaceGcWithCustomGc( const CEikListBox* aListBox ) |
|
698 { |
|
699 const CCoeControl* parent = aListBox; |
|
700 CWindowGc* customGc; |
|
701 while(parent) |
|
702 { |
|
703 customGc = parent->GetGc(); |
|
704 if ( customGc ) |
|
705 { |
|
706 CListItemDrawer* itemDrawer = aListBox->View()->ItemDrawer(); |
|
707 CWindowGc* originalGc = itemDrawer->Gc(); |
|
708 if ( customGc == originalGc ) |
|
709 { |
|
710 return NULL; |
|
711 } |
|
712 else |
|
713 { |
|
714 itemDrawer->SetGc( customGc ); |
|
715 return originalGc; |
|
716 } |
|
717 } |
|
718 parent = parent->Parent(); |
|
719 } |
|
720 return NULL; |
|
721 } |
|
722 |
|
723 // ----------------------------------------------------------------------------- |
|
724 // |
|
725 // ----------------------------------------------------------------------------- |
|
726 // |
|
727 void CMmListBox::Draw(const TRect& aRect) const |
|
728 { |
|
729 // if (!iResized) |
|
730 // { |
|
731 // return; |
|
732 // } |
|
733 |
|
734 CWindowGc* gc = this->iItemDrawer->Gc(); |
|
735 |
|
736 // If a parent has a custom gc, draw listbox using that gc |
|
737 CWindowGc* replacedGc = ReplaceGcWithCustomGc( |
|
738 static_cast<const CEikListBox*>( this ) ); |
|
739 |
|
740 if (this->iModel->NumberOfItems() == 0) |
|
741 { |
|
742 this->iView->DrawEmptyList(this->Rect()); |
|
743 |
|
744 if ( replacedGc ) |
|
745 { |
|
746 // Stop using the custom gc |
|
747 this->iItemDrawer->SetGc( replacedGc ); |
|
748 } |
|
749 return; |
|
750 } |
|
751 |
|
752 #ifdef RD_UI_TRANSITION_EFFECTS_LIST |
|
753 MAknListBoxTfxInternal *transApi = CAknListLoader::TfxApiInternal( gc ); |
|
754 |
|
755 if ( transApi ) |
|
756 { |
|
757 transApi->SetListType( MAknListBoxTfxInternal::EListBoxTypeMainPane ); |
|
758 // ViewRect might have been moved to the right to prevent grid items |
|
759 // from overlapping the scrollbar in mirrored layout. |
|
760 // However, we still have to draw scrollbar background, thus the |
|
761 // rectangle object passed to MAknListBoxTfxInternal::BeginRedraw must |
|
762 // be placed at (0, 0) so that it covers the area where scrollbar is |
|
763 // drawn. |
|
764 TRect r( View()->ViewRect().Size() ); |
|
765 transApi->BeginRedraw( MAknListBoxTfxInternal::EListView, r ); |
|
766 } |
|
767 #endif //RD_UI_TRANSITION_EFFECTS_LIST |
|
768 if (!this->iView->RedrawDisabled()) |
|
769 { |
|
770 MAknsControlContext *cc = AknsDrawUtils::ControlContext( this ); |
|
771 if (!cc) cc = ItemDrawer()->FormattedCellData()->SkinBackgroundContext(); |
|
772 |
|
773 if (gc) |
|
774 { |
|
775 TRect clientRect; |
|
776 this->RestoreClientRectFromViewRect(clientRect); |
|
777 #ifdef RD_UI_TRANSITION_EFFECTS_LIST |
|
778 if ( transApi ) |
|
779 { |
|
780 transApi->StartDrawing( MAknListBoxTfxInternal::EListView ); |
|
781 } |
|
782 #endif //RD_UI_TRANSITION_EFFECTS_LIST |
|
783 gc->SetBrushColor(this->BackColor()); |
|
784 AknsDrawUtils::BackgroundBetweenRects( AknsUtils::SkinInstance(), cc, this, *gc, clientRect, this->iView->ViewRect() ); |
|
785 RedrawScrollbarBackground(); |
|
786 #ifdef RD_UI_TRANSITION_EFFECTS_LIST |
|
787 if ( transApi ) |
|
788 { |
|
789 transApi->StopDrawing(); |
|
790 } |
|
791 #endif //RD_UI_TRANSITION_EFFECTS_LIST |
|
792 } |
|
793 } |
|
794 if ( this->iModel->NumberOfItems() ) |
|
795 { |
|
796 // finally, draw the actual list |
|
797 this->iView->Draw(&aRect); |
|
798 } |
|
799 #ifdef RD_UI_TRANSITION_EFFECTS_LIST |
|
800 if ( transApi ) |
|
801 { |
|
802 CMmListBoxView* view = static_cast<CMmListBoxView*>( View() ); |
|
803 view->DisableScrollToItem( ETrue ); |
|
804 transApi->EndViewRedraw( aRect ); |
|
805 view->DisableScrollToItem( EFalse ); |
|
806 } |
|
807 #endif //RD_UI_TRANSITION_EFFECTS_LIST |
|
808 if ( replacedGc ) |
|
809 { |
|
810 // Stop using the custom gc |
|
811 this->iItemDrawer->SetGc( replacedGc ); |
|
812 } |
|
813 } |
|
814 |
|
815 // ----------------------------------------------------------------------------- |
|
816 // |
|
817 // ----------------------------------------------------------------------------- |
|
818 // |
|
819 void CMmListBox::DrawView() |
|
820 { |
|
821 iDisableChildComponentDrawing = ETrue; |
|
822 DrawNow(Rect()); |
|
823 iDisableChildComponentDrawing = EFalse; |
|
824 } |
|
825 |
|
826 // ----------------------------------------------------------------------------- |
|
827 // |
|
828 // ----------------------------------------------------------------------------- |
|
829 // |
|
830 void CMmListBox::SetVerticalItemOffset( TInt aOffset ) |
|
831 { |
|
832 static_cast<CMmListBoxView*>( View() )->SetItemOffsetInPixels( aOffset ); |
|
833 UpdateScrollBarThumbs(); |
|
834 } |
|
835 |
|
836 // ----------------------------------------------------------------------------- |
|
837 // |
|
838 // ----------------------------------------------------------------------------- |
|
839 // |
|
840 TInt CMmListBox::VerticalItemOffset() const |
|
841 { |
|
842 return static_cast<CMmListBoxView*>( View() )->VerticalItemOffset(); |
|
843 } |
|
844 |
|
845 // ----------------------------------------------------------------------------- |
|
846 // |
|
847 // ----------------------------------------------------------------------------- |
|
848 // |
|
849 void CMmListBox::SetItemHeight( TInt aItemHeight ) |
|
850 { |
|
851 if ( aItemHeight != iItemHeight ) |
|
852 { |
|
853 iItemHeight = aItemHeight; |
|
854 TRAP_IGNORE( UpdateScrollBarsNoRedrawL() ); |
|
855 } |
|
856 } |
|
857 |
|
858 // ----------------------------------------------------------------------------- |
|
859 // |
|
860 // ----------------------------------------------------------------------------- |
|
861 // |
|
862 void CMmListBox::UpdateScrollBarThumbs() |
|
863 { |
|
864 CEikFormattedCellListBox::UpdateScrollBarThumbs(); |
|
865 } |
|
866 |
|
867 // ----------------------------------------------------------------------------- |
|
868 // |
|
869 // ----------------------------------------------------------------------------- |
|
870 // |
|
871 TInt CMmListBox::CountComponentControls() const |
|
872 { |
|
873 TInt componentControls(0); |
|
874 if ( !iDisableChildComponentDrawing ) |
|
875 { |
|
876 componentControls = CEikFormattedCellListBoxTypedef::CountComponentControls(); |
|
877 } |
|
878 return componentControls; |
|
879 } |
|
880 // ----------------------------------------------------------------------------- |
|
881 // |
|
882 // ----------------------------------------------------------------------------- |
|
883 // |
|
884 void CMmListBox::SetDisableChildComponentDrawing( TBool aDisable ) |
|
885 { |
|
886 iDisableChildComponentDrawing = aDisable; |
|
887 } |
|
888 |
|
889 // End of file |