author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 14 Sep 2010 20:58:58 +0300 | |
branch | RCL_3 |
changeset 88 | 3321d3e205b6 |
parent 83 | 5456b4e8b3a8 |
child 102 | ba63c83f4716 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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#include <aknlists.h> |
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#include <eikspmod.h> |
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#include <eikclb.h> |
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#include <eikfrlb.h> |
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#include <eikslb.h> |
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#include <AknUtils.h> |
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#include <aknlayoutscalable_avkon.cdl.h> |
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#include <aknlayoutscalable_apps.cdl.h> |
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#include <layoutmetadata.cdl.h> |
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#ifdef RD_UI_TRANSITION_EFFECTS_LIST |
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#include <aknlistboxtfxinternal.h> |
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#include <akntransitionutils.h> |
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#include <aknlistloadertfx.h> |
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#endif |
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#include "mmlistboxmodel.h" |
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#include "mmlistbox.h" |
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#include "mmlistboxview.h" |
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#include "mmlistboxitemdrawer.h" |
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#include "mmmarqueeadapter.h" |
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#include "mmwidgetcontainer.h" |
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#include "mmwidgetsconstants.h" |
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#include "mmdraweranimator.h" |
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#include "mmtemplatelibrary.h" |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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CMmListBox::CMmListBox() : AKNDOUBLELISTBOXNAME(R_LIST_PANE_LINES_AB_COLUMN) |
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{ |
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// No implementation required |
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} |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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CMmListBox::~CMmListBox() |
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{ |
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} |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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CMmListBox* CMmListBox::NewLC( const CCoeControl* aParent, TInt aFlags, |
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CMmTemplateLibrary* aTemplateLibrary ) |
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{ |
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CMmListBox* self = new (ELeave)CMmListBox(); |
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CleanupStack::PushL(self); |
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self->ConstructL( aParent, aFlags, aTemplateLibrary ); |
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return self; |
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} |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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void CMmListBox::SetListFlag( TInt aFlag ) |
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{ |
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iListBoxFlags = iListBoxFlags | aFlag; |
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} |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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void CMmListBox::ClearListFlag( TInt aFlag ) |
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{ |
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iListBoxFlags = iListBoxFlags & !aFlag; |
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} |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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CMmListBox* CMmListBox::NewL( const CCoeControl* aParent, TInt aFlags, |
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CMmTemplateLibrary* aTemplateLibrary ) |
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{ |
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CMmListBox* self = CMmListBox::NewLC( aParent, aFlags, aTemplateLibrary ); |
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CleanupStack::Pop( self ); |
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return self; |
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} |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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void CMmListBox::ConstructL( const CCoeControl* aParent, TInt aFlags, |
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CMmTemplateLibrary* aTemplateLibrary ) |
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{ |
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iDisableChildComponentDrawing = EFalse; |
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iModel = iMmModel = CMmListBoxModel::NewL(); |
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CreateItemDrawerL( aTemplateLibrary ); |
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EnableExtendedDrawingL(); |
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iItemDrawer->SetDrawMark(EFalse); |
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CEikListBox::ConstructL(aParent,aFlags); |
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iMmDrawer->SetView( this ); |
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} |
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// ----------------------------------------------------------------------------- |
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// Clearing ELeftDownInViewRect flag before invoking the base class |
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// HandlePointerEventL method effectively prevents that method from doing most |
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// of the things it would normally do in response to EButton1Down event. |
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// This flag is explicitly cleared to achieve two things: |
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// 1. Prevent kinetic scrolling (flick) in edit mode. |
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// 2. Prevent highlight removal when popup menu is displayed. |
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// ----------------------------------------------------------------------------- |
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// |
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void CMmListBox::HandlePointerEventInEditModeL( |
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const TPointerEvent& aPointerEvent ) |
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{ |
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CMmWidgetContainer* parent = static_cast<CMmWidgetContainer*>( Parent() ); |
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if ( aPointerEvent.iType == TPointerEvent::EButton1Down ) |
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{ |
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iButton1DownPos = aPointerEvent.iPosition; |
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} |
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else if ( aPointerEvent.iType == TPointerEvent::EButton1Up ) |
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{ |
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TPoint dragDelta = iButton1DownPos - aPointerEvent.iPosition; |
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if ( Abs( dragDelta.iY ) > KDragTreshold || parent->LongTapInProgress() ) |
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{ |
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iListBoxFlags &= ~ELeftDownInViewRect; |
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} |
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} |
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TInt itemUnderPointerIndex = KErrNotFound; |
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if ( aPointerEvent.iType == TPointerEvent::EButton1Up || |
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aPointerEvent.iType == TPointerEvent::EButton1Down ) |
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{ |
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TBool highlightWasVisible = parent->IsHighlightVisible(); |
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CEikFormattedCellListBoxTypedef::HandlePointerEventL( aPointerEvent ); |
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// Tricky: Do not allow the base class implementation of HandlePointerEventL |
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// to remove the highlight on EButton1Up event when context menu |
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// is displayed for an item |
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if ( aPointerEvent.iType == TPointerEvent::EButton1Up && |
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highlightWasVisible && parent->LongTapInProgress() |
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&& !parent->IsHighlightVisible() ) |
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{ |
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ItemDrawer()->ClearFlags( CListItemDrawer::ESingleClickDisabledHighlight ); |
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} |
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} |
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else if ( View()->XYPosToItemIndex( |
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aPointerEvent.iPosition, itemUnderPointerIndex ) ) |
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{ |
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TInt currentItemIndex = CurrentItemIndex(); |
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if ( currentItemIndex != itemUnderPointerIndex ) |
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{ |
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View()->SetCurrentItemIndex( itemUnderPointerIndex ); |
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// remove hightlight from the previously highlighted item |
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} |
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} |
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HandleScrollingInEditMode( aPointerEvent ); |
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} |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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void CMmListBox::HandleScrollingInEditMode( const TPointerEvent& aPointerEvent ) |
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{ |
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if ( aPointerEvent.iType == TPointerEvent::EDrag |
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|| aPointerEvent.iType == TPointerEvent::EButtonRepeat ) |
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{ |
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TInt nextScrollDelay = ScrollIfNeeded( aPointerEvent ); |
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if ( nextScrollDelay ) |
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{ |
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TRect ignoreDragRect( |
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TPoint(aPointerEvent.iParentPosition.iX - MmEffects::KDragIgnoreRectValue, |
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aPointerEvent.iParentPosition.iY - MmEffects::KDragIgnoreRectValue), |
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TPoint(aPointerEvent.iParentPosition.iX + MmEffects::KDragIgnoreRectValue, |
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aPointerEvent.iParentPosition.iY + MmEffects::KDragIgnoreRectValue)); |
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Window().CancelPointerRepeatEventRequest(); |
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Window().RequestPointerRepeatEvent( nextScrollDelay, ignoreDragRect ); |
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} |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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TBool CMmListBox::IsPointerInTopScrollingThreshold( |
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const TPointerEvent& aPointerEvent ) const |
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{ |
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TInt topScrollingTreshold = Rect().iTl.iY |
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+ ( MmListBox::KFocusScrollingThreshold |
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* TReal( View()->ItemSize().iHeight ) ); |
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return ( aPointerEvent.iPosition.iY < topScrollingTreshold ); |
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} |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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TBool CMmListBox::IsPointerInBottomScrollingThreshold( |
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const TPointerEvent& aPointerEvent ) const |
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{ |
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TInt bottomScrollingTreshold = Rect().iBr.iY |
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- ( MmListBox::KFocusScrollingThreshold |
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* TReal( View()->ItemSize().iHeight ) ); |
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return ( aPointerEvent.iPosition.iY > bottomScrollingTreshold ); |
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} |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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void CMmListBox::ScrollWithoutRedraw( TInt distanceInPixels ) |
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{ |
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// desired view position relative to the first item in list (always positive) |
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TInt desiredViewPosition = ItemHeight() * TopItemIndex() - VerticalItemOffset(); |
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desiredViewPosition += distanceInPixels; |
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const TInt viewPositionMax = Max( 0, ( iModel->NumberOfItems() |
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* ItemHeight() ) - iView->ViewRect().Height() ); |
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desiredViewPosition = Min( desiredViewPosition, viewPositionMax ); |
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desiredViewPosition = Max( desiredViewPosition, 0 ); |
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ASSERT( desiredViewPosition >= 0 ); |
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SetTopItemIndex( desiredViewPosition / ItemHeight() ); |
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SetVerticalItemOffset( -( desiredViewPosition % ItemHeight() ) ); |
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} |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CMmListBox::ScrollIfNeeded( const TPointerEvent& aPointerEvent ) |
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{ |
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TInt nextScrollDelay = 0; |
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TBool readyForScrolling = iMmDrawer->GetAnimator()->IsReadyForNewAnimation() |
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&& iMmDrawer->GetFloatingItemCount() != 0; |
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if( IsPointerInTopScrollingThreshold( aPointerEvent ) ) |
83 | 265 |
{ |
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// scroll up |
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TInt startPos = MmListBox::KFocusScrollingThreshold * TReal( |
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View()->ItemSize().iHeight ); |
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TInt diff = Max( 1, Min( aPointerEvent.iPosition.iY |
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- Rect().iTl.iY, startPos ) ); |
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nextScrollDelay = ( (TReal) diff / (TReal) startPos ) |
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* ( MmListBox::KEditModeScrollingListBoxMaxDelay |
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- MmListBox::KEditModeScrollingListBoxMinDelay ) |
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+ MmListBox::KEditModeScrollingListBoxMinDelay; |
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if( readyForScrolling ) |
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{ |
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ScrollWithoutRedraw( -MmListBox::KScrollingStep ); |
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} |
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} |
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else if( IsPointerInBottomScrollingThreshold( aPointerEvent ) ) |
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{ |
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// scroll down |
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TInt startPos = MmListBox::KFocusScrollingThreshold * TReal( |
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View()->ItemSize().iHeight ); |
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TInt diff = Max( 1, Min( Rect().iBr.iY |
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- aPointerEvent.iPosition.iY, startPos ) ); |
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nextScrollDelay = ( (TReal) diff / (TReal) startPos ) |
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* ( MmListBox::KEditModeScrollingListBoxMaxDelay |
3321d3e205b6
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
83
diff
changeset
|
289 |
- MmListBox::KEditModeScrollingListBoxMinDelay ) |
3321d3e205b6
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
83
diff
changeset
|
290 |
+ MmListBox::KEditModeScrollingListBoxMinDelay; |
83 | 291 |
|
88
3321d3e205b6
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
83
diff
changeset
|
292 |
if( readyForScrolling ) |
3321d3e205b6
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
83
diff
changeset
|
293 |
{ |
3321d3e205b6
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
83
diff
changeset
|
294 |
ScrollWithoutRedraw( MmListBox::KScrollingStep ); |
3321d3e205b6
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
83
diff
changeset
|
295 |
} |
83 | 296 |
} |
297 |
||
298 |
return nextScrollDelay; |
|
299 |
} |
|
300 |
||
301 |
// ----------------------------------------------------------------------------- |
|
302 |
// |
|
303 |
// ----------------------------------------------------------------------------- |
|
304 |
// |
|
305 |
void CMmListBox::HandlePointerEventL(const TPointerEvent& aPointerEvent) |
|
306 |
{ |
|
307 |
// if ( aPointerEvent.iType == TPointerEvent::EButton1Down && |
|
308 |
// iMmDrawer->CachedDataUseIsEnabled() ) |
|
309 |
// { |
|
310 |
// // Touching the screen stops flick but avkon does not send us |
|
311 |
// // MEikListBoxObserver::EEventFlickStopped event in such case. |
|
312 |
// // Thus this little hack: |
|
313 |
// iMmDrawer->EnableCachedDataUse( EFalse ); |
|
314 |
// DrawView(); |
|
315 |
// } |
|
316 |
||
317 |
CMmWidgetContainer* parent = static_cast<CMmWidgetContainer*>( Parent() ); |
|
318 |
||
319 |
if ( parent->IsEditMode() ) |
|
320 |
{ |
|
321 |
HandlePointerEventInEditModeL( aPointerEvent ); |
|
322 |
} |
|
323 |
else |
|
324 |
{ |
|
325 |
CEikFormattedCellListBoxTypedef::HandlePointerEventL( aPointerEvent ); |
|
326 |
} |
|
327 |
||
328 |
} |
|
329 |
||
330 |
// ----------------------------------------------------------------------------- |
|
331 |
// |
|
332 |
// ----------------------------------------------------------------------------- |
|
333 |
// |
|
334 |
void CMmListBox::FixViewForMirroredLayout() |
|
335 |
{ |
|
336 |
TInt scrollbarWidth = |
|
337 |
ScrollBarFrame()->VerticalScrollBar()->Rect().Width(); |
|
338 |
TRect r( View()->ViewRect() ); |
|
339 |
TInt currentShift = r.iTl.iX; |
|
340 |
TBool scrollbarVisible = ScrollBarFrame()->VerticalScrollBar()->IsVisible(); |
|
341 |
TBool layoutMirrored = AknLayoutUtils::LayoutMirrored(); |
|
342 |
||
343 |
if ( layoutMirrored && scrollbarVisible && currentShift != scrollbarWidth ) |
|
344 |
{ |
|
345 |
// shift view rect to the right |
|
346 |
r.Move( scrollbarWidth - currentShift, 0 ); |
|
347 |
View()->SetViewRect( r ); |
|
348 |
} |
|
349 |
else if ( ( !layoutMirrored || !scrollbarVisible ) && currentShift != 0 ) |
|
350 |
{ |
|
351 |
// restore view rect to its normal position |
|
352 |
r.Move( -currentShift, 0 ); |
|
353 |
View()->SetViewRect( r ); |
|
354 |
} |
|
355 |
} |
|
356 |
||
357 |
// ----------------------------------------------------------------------------- |
|
358 |
// |
|
359 |
// ----------------------------------------------------------------------------- |
|
360 |
// |
|
361 |
void CMmListBox::RedrawScrollbarBackground() const |
|
362 |
{ |
|
363 |
TRect viewRect( View()->ViewRect() ); |
|
364 |
if ( viewRect.iTl.iX > 0 ) |
|
365 |
{ |
|
366 |
TRect scrollbarRect( TPoint( 0, 0 ), |
|
367 |
TSize( viewRect.iTl.iX, viewRect.Height() ) ); |
|
368 |
||
369 |
CWindowGc* gc = iItemDrawer->Gc(); |
|
370 |
CMmListBoxItemDrawer* itemDrawer = |
|
371 |
static_cast<CMmListBoxItemDrawer*>( iItemDrawer ); |
|
372 |
MAknsSkinInstance *skin = AknsUtils::SkinInstance(); |
|
373 |
CCoeControl* control = itemDrawer->FormattedCellData()->Control(); |
|
374 |
MAknsControlContext *cc = AknsDrawUtils::ControlContext( control ); |
|
375 |
if( gc ) |
|
376 |
{ |
|
377 |
if ( control ) |
|
378 |
{ |
|
379 |
AknsDrawUtils::Background( skin, cc, control, *gc, scrollbarRect ); |
|
380 |
} |
|
381 |
else |
|
382 |
{ |
|
383 |
gc->SetBrushColor( BackColor() ); |
|
384 |
gc->Clear( scrollbarRect ); |
|
385 |
} |
|
386 |
} |
|
387 |
} |
|
388 |
} |
|
389 |
||
390 |
// ----------------------------------------------------------------------------- |
|
391 |
// |
|
392 |
// ----------------------------------------------------------------------------- |
|
393 |
// |
|
394 |
void CMmListBox::ProcessScrollEventL( CEikScrollBar* aScrollBar, |
|
395 |
TEikScrollEvent aEventType ) |
|
396 |
{ |
|
397 |
CEikFormattedCellListBoxTypedef::HandleScrollEventL( |
|
398 |
aScrollBar, aEventType ); |
|
399 |
} |
|
400 |
||
401 |
// ----------------------------------------------------------------------------- |
|
402 |
// |
|
403 |
// ----------------------------------------------------------------------------- |
|
404 |
// |
|
405 |
TKeyResponse CMmListBox::OfferKeyEventL( |
|
406 |
const TKeyEvent& aKeyEvent,TEventCode aType ) |
|
407 |
{ |
|
408 |
TInt itemIndex = CurrentItemIndex(); |
|
409 |
TInt previousItemIndex = CurrentItemIndex(); |
|
410 |
TKeyResponse ret = CEikFormattedCellListBoxTypedef::OfferKeyEventL( |
|
411 |
aKeyEvent, aType ); |
|
412 |
TInt currentItemIndex = CurrentItemIndex(); |
|
413 |
||
414 |
TInt itemY = View()->ItemPos( currentItemIndex ).iY |
|
415 |
+ View()->ItemSize( currentItemIndex ).iHeight; |
|
416 |
||
417 |
if ( currentItemIndex == BottomItemIndex() |
|
418 |
&& currentItemIndex != previousItemIndex |
|
419 |
&& itemY > View()->ViewRect().iBr.iY ) |
|
420 |
{ |
|
421 |
if( aType == EEventKey ) |
|
422 |
{ |
|
423 |
#ifdef RD_UI_TRANSITION_EFFECTS_LIST |
|
424 |
MAknListBoxTfxInternal* transApi = CAknListLoader::TfxApiInternal( |
|
425 |
View()->ItemDrawer()->Gc() ); |
|
426 |
TBool effects = transApi && !transApi->EffectsDisabled(); |
|
427 |
if ( effects ) |
|
428 |
{ |
|
429 |
transApi->SetMoveType( MAknListBoxTfxInternal::EListScrollDown ); |
|
430 |
} |
|
431 |
#endif |
|
432 |
iView->VScrollTo( |
|
433 |
iView->CalcNewTopItemIndexSoItemIsVisible( currentItemIndex ) ); |
|
434 |
||
435 |
#ifdef RD_UI_TRANSITION_EFFECTS_LIST |
|
436 |
if ( effects ) |
|
437 |
{ |
|
438 |
transApi->Draw( Rect() ); |
|
439 |
} |
|
440 |
#endif |
|
441 |
} |
|
442 |
SetCurrentItemIndex( currentItemIndex ); |
|
443 |
} |
|
444 |
||
445 |
RedrawIfNecessary( itemIndex, CurrentItemIndex()); |
|
446 |
return ret; |
|
447 |
} |
|
448 |
||
449 |
// ----------------------------------------------------------------------------- |
|
450 |
// |
|
451 |
// ----------------------------------------------------------------------------- |
|
452 |
// |
|
453 |
TBool CMmListBox::RedrawIfNecessary( TInt aPreviousCurrent, TInt aCurrent ) |
|
454 |
{ |
|
455 |
TBool redrawConsumed( EFalse ); |
|
456 |
if( aCurrent == KErrNotFound ) |
|
457 |
{ |
|
458 |
return redrawConsumed; |
|
459 |
} |
|
460 |
||
461 |
CMmListBoxView * view = static_cast<CMmListBoxView *>(iView); |
|
462 |
TInt differenceIndex = Abs( aPreviousCurrent - aCurrent ); |
|
463 |
if ( aPreviousCurrent == KErrNotFound || differenceIndex == 0 ) |
|
464 |
{ |
|
465 |
//TODO: It should be checked if this is really necessary |
|
466 |
view->RedrawBackground(); |
|
467 |
return redrawConsumed; |
|
468 |
} |
|
469 |
||
470 |
TInt sizePrevBefore = iMmDrawer->GetItemHeight(aPreviousCurrent, ETrue); |
|
471 |
TInt sizeCurBefore = iMmDrawer->GetItemHeight(aCurrent, EFalse); |
|
472 |
TInt sizePrevAfter = iMmDrawer->GetItemHeight(aPreviousCurrent, EFalse); |
|
473 |
TInt sizeCurAfter = iMmDrawer->GetItemHeight(aCurrent, ETrue); |
|
474 |
||
475 |
if ( ( sizePrevBefore == sizePrevAfter ) && (sizeCurBefore == sizeCurAfter) ) |
|
476 |
{ |
|
477 |
return redrawConsumed; |
|
478 |
} |
|
479 |
else |
|
480 |
{ |
|
481 |
TInt sizeAllBefore = sizePrevBefore + sizePrevAfter; |
|
482 |
TInt sizeAllAfter = sizeCurBefore + sizeCurAfter; |
|
483 |
||
484 |
TInt lastPotentialItemIndex = Min( iModel->NumberOfItems(), |
|
485 |
iView->TopItemIndex() + iView->NumberOfItemsThatFitInRect( |
|
486 |
iView->ViewRect() ) ); |
|
487 |
TInt redrawIndex = lastPotentialItemIndex; |
|
488 |
||
489 |
if ( differenceIndex == 1 ) |
|
490 |
{ |
|
491 |
if( sizeAllBefore != sizeAllAfter ) |
|
492 |
{ |
|
493 |
redrawIndex = Min( aPreviousCurrent, aCurrent ); |
|
494 |
} |
|
495 |
else |
|
496 |
{ |
|
497 |
return redrawConsumed; |
|
498 |
} |
|
499 |
} |
|
500 |
else if ( differenceIndex > 1 && sizeAllBefore == sizeAllAfter ) |
|
501 |
{ |
|
502 |
redrawIndex = Min( aPreviousCurrent, aCurrent ); |
|
503 |
lastPotentialItemIndex = Max( aPreviousCurrent, aCurrent ); |
|
504 |
} |
|
505 |
else if ( differenceIndex > 1 ) |
|
506 |
{ |
|
507 |
redrawIndex = Min( aPreviousCurrent, aCurrent ); |
|
508 |
} |
|
509 |
||
510 |
if (redrawIndex < iView->TopItemIndex()) |
|
511 |
redrawIndex = iView->TopItemIndex(); |
|
512 |
||
513 |
if (lastPotentialItemIndex > iView->BottomItemIndex()) |
|
514 |
lastPotentialItemIndex = iView->BottomItemIndex(); |
|
515 |
||
516 |
if ( aPreviousCurrent < TopItemIndex() ) |
|
517 |
{ |
|
518 |
lastPotentialItemIndex = BottomItemIndex() ; |
|
519 |
} |
|
520 |
else if ( BottomItemIndex() < aPreviousCurrent ) |
|
521 |
{ |
|
522 |
lastPotentialItemIndex = BottomItemIndex() + 1; |
|
523 |
} |
|
524 |
||
525 |
while ( redrawIndex < lastPotentialItemIndex +1 ) |
|
526 |
{ |
|
527 |
view->DrawSingleItem( redrawIndex++ ); |
|
528 |
redrawConsumed = ETrue; |
|
529 |
} |
|
530 |
||
531 |
view->RedrawBackground(); |
|
532 |
} |
|
533 |
return redrawConsumed; |
|
534 |
} |
|
535 |
||
536 |
// ----------------------------------------------------------------------------- |
|
537 |
// |
|
538 |
// ----------------------------------------------------------------------------- |
|
539 |
// |
|
540 |
void CMmListBox::CreateItemDrawerL( CMmTemplateLibrary* aTemplateLibrary ) |
|
541 |
{ |
|
542 |
CFormattedCellListBoxData* cellData=CFormattedCellListBoxData::NewL(); |
|
543 |
CleanupStack::PushL( cellData ); |
|
544 |
iItemDrawer = iMmDrawer = CMmListBoxItemDrawer::NewL( MmModel(), |
|
545 |
iEikonEnv->NormalFont(), cellData, EListbox, aTemplateLibrary ); |
|
546 |
CleanupStack::Pop( cellData ); |
|
547 |
} |
|
548 |
||
549 |
// ----------------------------------------------------------------------------- |
|
550 |
// |
|
551 |
// ----------------------------------------------------------------------------- |
|
552 |
// |
|
553 |
CMmListBoxModel* CMmListBox::MmModel() |
|
554 |
{ |
|
555 |
return iMmModel; |
|
556 |
} |
|
557 |
||
558 |
// ----------------------------------------------------------------------------- |
|
559 |
// |
|
560 |
// ----------------------------------------------------------------------------- |
|
561 |
// |
|
562 |
void CMmListBox::SetMmModel( CMmListBoxModel* aMmModel ) |
|
563 |
{ |
|
564 |
if ( iMmModel != aMmModel ) |
|
565 |
{ |
|
566 |
delete iMmModel; |
|
567 |
iMmModel = aMmModel; |
|
568 |
} |
|
569 |
} |
|
570 |
||
571 |
// ----------------------------------------------------------------------------- |
|
572 |
// |
|
573 |
// ----------------------------------------------------------------------------- |
|
574 |
// |
|
575 |
CListBoxView* CMmListBox::MakeViewClassInstanceL() |
|
576 |
{ |
|
577 |
return CMmListBoxView::NewL(); |
|
578 |
} |
|
579 |
||
580 |
// ----------------------------------------------------------------------------- |
|
581 |
// |
|
582 |
// ----------------------------------------------------------------------------- |
|
583 |
// |
|
584 |
TInt CMmListBox::AdjustRectHeightToWholeNumberOfItems(TRect& /*aRect*/) const |
|
585 |
{ |
|
586 |
return KErrNone; |
|
587 |
} |
|
588 |
||
589 |
// ----------------------------------------------------------------------------- |
|
590 |
// |
|
591 |
// ----------------------------------------------------------------------------- |
|
592 |
// |
|
593 |
void CMmListBox::SetItemDrawerAndViewBgContext (CAknsBasicBackgroundControlContext * aBgContext) |
|
594 |
{ |
|
595 |
iMmDrawer->SetBgContext (aBgContext); |
|
596 |
} |
|
597 |
||
598 |
// ----------------------------------------------------------------------------- |
|
599 |
// |
|
600 |
// ----------------------------------------------------------------------------- |
|
601 |
// |
|
602 |
TBool CMmListBox::HandleScrollbarVisibilityChangeL() |
|
603 |
{ |
|
604 |
TBool ret = EFalse; |
|
605 |
if ( AllItemsFitInViewRect() ) |
|
606 |
{ |
|
607 |
if ( ScrollBarFrame()->VerticalScrollBar()->IsVisible() |
|
608 |
|| iMmDrawer->TemplateLibrary()->GetScrollbarVisibility() ) |
|
609 |
{ |
|
610 |
ScrollBarFrame()->VerticalScrollBar()->MakeVisible( EFalse ); |
|
611 |
iMmDrawer->SetScrollbarVisibilityL( EFalse ); |
|
612 |
||
613 |
#ifdef RD_UI_TRANSITION_EFFECTS_LIST |
|
614 |
MAknListBoxTfxInternal *trans = CAknListLoader::TfxApiInternal( ItemDrawer()->Gc() ); |
|
615 |
if ( trans ) |
|
616 |
{ |
|
617 |
trans->Remove( MAknListBoxTfxInternal::EListEverything ); |
|
618 |
} |
|
619 |
#endif |
|
620 |
||
621 |
ret = ETrue; //redraw is needed |
|
622 |
} |
|
623 |
} |
|
624 |
else if ( !ScrollBarFrame()->VerticalScrollBar()->IsVisible() |
|
625 |
|| !iMmDrawer->TemplateLibrary()->GetScrollbarVisibility() ) |
|
626 |
{ |
|
627 |
ScrollBarFrame()->VerticalScrollBar()->MakeVisible( ETrue ); |
|
628 |
iMmDrawer->SetScrollbarVisibilityL( ETrue ); |
|
629 |
ret = ETrue; //redraw is needed |
|
630 |
} |
|
631 |
return ret; |
|
632 |
} |
|
633 |
||
634 |
||
635 |
// ----------------------------------------------------------------------------- |
|
636 |
// |
|
637 |
// ----------------------------------------------------------------------------- |
|
638 |
// |
|
639 |
TBool CMmListBox::AllItemsFitInViewRect() |
|
640 |
{ |
|
641 |
CMmListBoxView* view = static_cast< CMmListBoxView* >(iView); |
|
642 |
TInt totalHeight = view->GetTotalHeight( view->TopItemIndex(), view->BottomItemIndex()); |
|
643 |
if ( view->TopItemIndex() == 0 && iMmModel->NumberOfItems() <= view->BottomItemIndex() + 1 |
|
644 |
&& totalHeight <= iView->ViewRect().Height() ) |
|
645 |
{ |
|
646 |
return ETrue; |
|
647 |
} |
|
648 |
else |
|
649 |
{ |
|
650 |
return EFalse; |
|
651 |
} |
|
652 |
} |
|
653 |
||
654 |
/** |
|
655 |
* Helper class whose only purpose is to ensure that |
|
656 |
* ScrollToItem method will be always re-enabled. |
|
657 |
*/ |
|
658 |
struct TScrollToItemEnabler |
|
659 |
{ |
|
660 |
CMmListBoxView* iV; |
|
661 |
void Close() { iV->DisableScrollToItem( EFalse ); } |
|
662 |
}; |
|
663 |
||
664 |
// ----------------------------------------------------------------------------- |
|
665 |
// |
|
666 |
// ----------------------------------------------------------------------------- |
|
667 |
// |
|
668 |
void CMmListBox::UpdateScrollBarsL() |
|
669 |
{ |
|
670 |
TBool redrawNeeded = HandleScrollbarVisibilityChangeL(); |
|
671 |
if (ScrollBarFrame()->VerticalScrollBar()->IsVisible()) |
|
672 |
{ |
|
673 |
CMmListBoxView* view = static_cast<CMmListBoxView*>( View() ); |
|
674 |
view->DisableScrollToItem( ETrue ); |
|
675 |
TScrollToItemEnabler reverter = { view }; |
|
676 |
CleanupClosePushL( reverter ); |
|
677 |
CEikFormattedCellListBoxTypedef::UpdateScrollBarsL(); |
|
678 |
CleanupStack::PopAndDestroy( &reverter ); |
|
679 |
} |
|
680 |
iMmDrawer->TemplateLibrary()->SetScrollbarWidthL( |
|
681 |
ScrollBarFrame()->VerticalScrollBar()->Rect().Width() ); |
|
682 |
FixViewForMirroredLayout(); |
|
683 |
if ( redrawNeeded ) |
|
684 |
{ |
|
685 |
DrawNow(); |
|
686 |
} |
|
687 |
} |
|
688 |
||
689 |
// ----------------------------------------------------------------------------- |
|
690 |
// |
|
691 |
// ----------------------------------------------------------------------------- |
|
692 |
// |
|
693 |
void CMmListBox::UpdateScrollBarsNoRedrawL() |
|
694 |
{ |
|
695 |
HandleScrollbarVisibilityChangeL(); |
|
696 |
if ( ScrollBarFrame()->VerticalScrollBar()->IsVisible() ) |
|
697 |
{ |
|
698 |
CMmListBoxView* view = static_cast<CMmListBoxView*>( View() ); |
|
699 |
view->DisableScrollToItem( ETrue ); |
|
700 |
TScrollToItemEnabler reverter = { view }; |
|
701 |
CleanupClosePushL( reverter ); |
|
702 |
CEikFormattedCellListBoxTypedef::UpdateScrollBarsL(); |
|
703 |
CleanupStack::PopAndDestroy( &reverter ); |
|
704 |
iMmDrawer->TemplateLibrary()->SetScrollbarWidthL( |
|
705 |
ScrollBarFrame()->VerticalScrollBar()->Rect().Width() ); |
|
706 |
} |
|
707 |
} |
|
708 |
||
709 |
// ----------------------------------------------------------------------------- |
|
710 |
// |
|
711 |
// ----------------------------------------------------------------------------- |
|
712 |
// |
|
713 |
void CMmListBox::SetMarqueeAdapter( CMmMarqueeAdapter* aAdapter ) |
|
714 |
{ |
|
715 |
iMarqueeAdapter = aAdapter; |
|
716 |
iMarqueeAdapter->SetControl( const_cast< CMmListBox *>(this) ); |
|
717 |
} |
|
718 |
||
719 |
// ----------------------------------------------------------------------------- |
|
720 |
// |
|
721 |
// ----------------------------------------------------------------------------- |
|
722 |
// |
|
723 |
void CMmListBox::SetMarqueeDrawing( TBool aIsMarqueeBeingDrawn ) |
|
724 |
{ |
|
725 |
iMmDrawer->SetMarqueeDrawing( aIsMarqueeBeingDrawn ); |
|
726 |
} |
|
727 |
||
728 |
// ----------------------------------------------------------------------------- |
|
729 |
// |
|
730 |
// ----------------------------------------------------------------------------- |
|
731 |
// |
|
732 |
void CMmListBox::HandleItemRemovalL() |
|
733 |
{ |
|
734 |
CEikFormattedCellListBoxTypedef::HandleItemRemovalL(); |
|
735 |
DrawNow(); |
|
736 |
//avkon does not redraw the items for listbox when item is |
|
737 |
//removed. This needs to be forced here. |
|
738 |
UpdateScrollBarsL(); |
|
739 |
} |
|
740 |
||
741 |
// ----------------------------------------------------------------------------- |
|
742 |
// If a parent to the supplied control has its Gc set, this function will find |
|
743 |
// it and return it. (Copied from EIKLBX.CPP, needed by CMmListBox::Draw) |
|
744 |
// ----------------------------------------------------------------------------- |
|
745 |
// |
|
746 |
LOCAL_C CWindowGc* ReplaceGcWithCustomGc( const CEikListBox* aListBox ) |
|
747 |
{ |
|
748 |
const CCoeControl* parent = aListBox; |
|
749 |
CWindowGc* customGc; |
|
750 |
while(parent) |
|
751 |
{ |
|
752 |
customGc = parent->GetGc(); |
|
753 |
if ( customGc ) |
|
754 |
{ |
|
755 |
CListItemDrawer* itemDrawer = aListBox->View()->ItemDrawer(); |
|
756 |
CWindowGc* originalGc = itemDrawer->Gc(); |
|
757 |
if ( customGc == originalGc ) |
|
758 |
{ |
|
759 |
return NULL; |
|
760 |
} |
|
761 |
else |
|
762 |
{ |
|
763 |
itemDrawer->SetGc( customGc ); |
|
764 |
return originalGc; |
|
765 |
} |
|
766 |
} |
|
767 |
parent = parent->Parent(); |
|
768 |
} |
|
769 |
return NULL; |
|
770 |
} |
|
771 |
||
772 |
// ----------------------------------------------------------------------------- |
|
773 |
// |
|
774 |
// ----------------------------------------------------------------------------- |
|
775 |
// |
|
776 |
void CMmListBox::Draw(const TRect& aRect) const |
|
777 |
{ |
|
778 |
// if (!iResized) |
|
779 |
// { |
|
780 |
// return; |
|
781 |
// } |
|
782 |
||
783 |
CWindowGc* gc = this->iItemDrawer->Gc(); |
|
784 |
||
785 |
// If a parent has a custom gc, draw listbox using that gc |
|
786 |
CWindowGc* replacedGc = ReplaceGcWithCustomGc( |
|
787 |
static_cast<const CEikListBox*>( this ) ); |
|
788 |
||
789 |
if (this->iModel->NumberOfItems() == 0) |
|
790 |
{ |
|
791 |
this->iView->DrawEmptyList(this->Rect()); |
|
792 |
||
793 |
if ( replacedGc ) |
|
794 |
{ |
|
795 |
// Stop using the custom gc |
|
796 |
this->iItemDrawer->SetGc( replacedGc ); |
|
797 |
} |
|
798 |
return; |
|
799 |
} |
|
800 |
||
801 |
#ifdef RD_UI_TRANSITION_EFFECTS_LIST |
|
802 |
MAknListBoxTfxInternal *transApi = CAknListLoader::TfxApiInternal( gc ); |
|
803 |
||
804 |
if ( transApi ) |
|
805 |
{ |
|
806 |
transApi->SetListType( MAknListBoxTfxInternal::EListBoxTypeMainPane ); |
|
807 |
// ViewRect might have been moved to the right to prevent grid items |
|
808 |
// from overlapping the scrollbar in mirrored layout. |
|
809 |
// However, we still have to draw scrollbar background, thus the |
|
810 |
// rectangle object passed to MAknListBoxTfxInternal::BeginRedraw must |
|
811 |
// be placed at (0, 0) so that it covers the area where scrollbar is |
|
812 |
// drawn. |
|
813 |
TRect r( View()->ViewRect().Size() ); |
|
814 |
transApi->BeginRedraw( MAknListBoxTfxInternal::EListView, r ); |
|
815 |
} |
|
816 |
#endif //RD_UI_TRANSITION_EFFECTS_LIST |
|
817 |
if (!this->iView->RedrawDisabled()) |
|
818 |
{ |
|
819 |
MAknsControlContext *cc = AknsDrawUtils::ControlContext( this ); |
|
820 |
if (!cc) cc = ItemDrawer()->FormattedCellData()->SkinBackgroundContext(); |
|
821 |
||
822 |
if (gc) |
|
823 |
{ |
|
824 |
TRect clientRect; |
|
825 |
this->RestoreClientRectFromViewRect(clientRect); |
|
826 |
#ifdef RD_UI_TRANSITION_EFFECTS_LIST |
|
827 |
if ( transApi ) |
|
828 |
{ |
|
829 |
transApi->StartDrawing( MAknListBoxTfxInternal::EListView ); |
|
830 |
} |
|
831 |
#endif //RD_UI_TRANSITION_EFFECTS_LIST |
|
832 |
gc->SetBrushColor(this->BackColor()); |
|
833 |
AknsDrawUtils::BackgroundBetweenRects( AknsUtils::SkinInstance(), cc, this, *gc, clientRect, this->iView->ViewRect() ); |
|
834 |
RedrawScrollbarBackground(); |
|
835 |
#ifdef RD_UI_TRANSITION_EFFECTS_LIST |
|
836 |
if ( transApi ) |
|
837 |
{ |
|
838 |
transApi->StopDrawing(); |
|
839 |
} |
|
840 |
#endif //RD_UI_TRANSITION_EFFECTS_LIST |
|
841 |
} |
|
842 |
} |
|
843 |
if ( this->iModel->NumberOfItems() ) |
|
844 |
{ |
|
845 |
// finally, draw the actual list |
|
846 |
this->iView->Draw(&aRect); |
|
847 |
} |
|
848 |
#ifdef RD_UI_TRANSITION_EFFECTS_LIST |
|
849 |
if ( transApi ) |
|
850 |
{ |
|
851 |
CMmListBoxView* view = static_cast<CMmListBoxView*>( View() ); |
|
852 |
view->DisableScrollToItem( ETrue ); |
|
853 |
transApi->EndViewRedraw( aRect ); |
|
854 |
view->DisableScrollToItem( EFalse ); |
|
855 |
} |
|
856 |
#endif //RD_UI_TRANSITION_EFFECTS_LIST |
|
857 |
if ( replacedGc ) |
|
858 |
{ |
|
859 |
// Stop using the custom gc |
|
860 |
this->iItemDrawer->SetGc( replacedGc ); |
|
861 |
} |
|
862 |
} |
|
863 |
||
864 |
// ----------------------------------------------------------------------------- |
|
865 |
// |
|
866 |
// ----------------------------------------------------------------------------- |
|
867 |
// |
|
868 |
void CMmListBox::DrawView() |
|
869 |
{ |
|
870 |
iDisableChildComponentDrawing = ETrue; |
|
871 |
DrawNow(Rect()); |
|
872 |
iDisableChildComponentDrawing = EFalse; |
|
873 |
} |
|
874 |
||
875 |
// ----------------------------------------------------------------------------- |
|
876 |
// |
|
877 |
// ----------------------------------------------------------------------------- |
|
878 |
// |
|
879 |
void CMmListBox::SetVerticalItemOffset( TInt aOffset ) |
|
880 |
{ |
|
881 |
static_cast<CMmListBoxView*>( View() )->SetItemOffsetInPixels( aOffset ); |
|
882 |
UpdateScrollBarThumbs(); |
|
883 |
} |
|
884 |
||
885 |
// ----------------------------------------------------------------------------- |
|
886 |
// |
|
887 |
// ----------------------------------------------------------------------------- |
|
888 |
// |
|
889 |
TInt CMmListBox::VerticalItemOffset() const |
|
890 |
{ |
|
891 |
return static_cast<CMmListBoxView*>( View() )->VerticalItemOffset(); |
|
892 |
} |
|
893 |
||
894 |
// ----------------------------------------------------------------------------- |
|
895 |
// |
|
896 |
// ----------------------------------------------------------------------------- |
|
897 |
// |
|
898 |
void CMmListBox::SetItemHeight( TInt aItemHeight ) |
|
899 |
{ |
|
900 |
if ( aItemHeight != iItemHeight ) |
|
901 |
{ |
|
902 |
iItemHeight = aItemHeight; |
|
903 |
TRAP_IGNORE( UpdateScrollBarsNoRedrawL() ); |
|
904 |
} |
|
905 |
} |
|
906 |
||
907 |
// ----------------------------------------------------------------------------- |
|
908 |
// |
|
909 |
// ----------------------------------------------------------------------------- |
|
910 |
// |
|
911 |
void CMmListBox::UpdateScrollBarThumbs() |
|
912 |
{ |
|
913 |
CEikFormattedCellListBox::UpdateScrollBarThumbs(); |
|
914 |
} |
|
915 |
||
916 |
// ----------------------------------------------------------------------------- |
|
917 |
// |
|
918 |
// ----------------------------------------------------------------------------- |
|
919 |
// |
|
920 |
TInt CMmListBox::CountComponentControls() const |
|
921 |
{ |
|
922 |
TInt componentControls(0); |
|
923 |
if ( !iDisableChildComponentDrawing ) |
|
924 |
{ |
|
925 |
componentControls = CEikFormattedCellListBoxTypedef::CountComponentControls(); |
|
926 |
} |
|
927 |
return componentControls; |
|
928 |
} |
|
929 |
// ----------------------------------------------------------------------------- |
|
930 |
// |
|
931 |
// ----------------------------------------------------------------------------- |
|
932 |
// |
|
933 |
void CMmListBox::SetDisableChildComponentDrawing( TBool aDisable ) |
|
934 |
{ |
|
935 |
iDisableChildComponentDrawing = aDisable; |
|
936 |
} |
|
937 |
||
938 |
// ----------------------------------------------------------------------------- |
|
939 |
// |
|
940 |
// ----------------------------------------------------------------------------- |
|
941 |
// |
|
942 |
void CMmListBox::HandleScrollEventL( CEikScrollBar* aScrollBar, |
|
943 |
TEikScrollEvent aEventType ) |
|
944 |
{ |
|
88
3321d3e205b6
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
83
diff
changeset
|
945 |
if ( aEventType == EEikScrollThumbDragVert ) |
83 | 946 |
{ |
947 |
static_cast<CMmListBoxItemDrawer*>( |
|
948 |
View()->ItemDrawer() )->EnableCachedDataUse( ETrue ); |
|
949 |
} |
|
950 |
else if ( aEventType == EEikScrollThumbReleaseVert ) |
|
951 |
{ |
|
952 |
static_cast<CMmListBoxItemDrawer*>( |
|
953 |
View()->ItemDrawer() )->EnableCachedDataUse( EFalse ); |
|
954 |
} |
|
88
3321d3e205b6
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
83
diff
changeset
|
955 |
ProcessScrollEventL( aScrollBar, aEventType ); |
83 | 956 |
} |
957 |
||
958 |
// End of file |