/*
* Copyright (c) 2002-2007 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: Default label control for the status pane's navigation pane.
*
*/
// SYSTEM INCLUDE FILES
#include <gdi.h>
#include <eikspane.h>
#include <AknsDrawUtils.h>
#include <bidivisual.h>
#include <biditext.h>
#include <aknlayoutscalable_avkon.cdl.h>
#include <AknTasHook.h>
// USER INCLUDE FILES
#include "aknnavilabel.h"
#include "AknPanic.h"
#include "AknUtils.h"
#include "aknconsts.h"
#include "AknBidiTextUtils.h"
#include "AknStatuspaneUtils.h"
#include "aknenv.h"
#include "aknnavide.h"
#include <aknnavide.h>
NONSHARABLE_CLASS( CAknNaviLabelExtension ) : public CBase
{
public:
static CAknNaviLabelExtension* NewL();
~CAknNaviLabelExtension();
void SetVisualBufferSizeL( TInt aSize );
private:
CAknNaviLabelExtension();
void ConstructL();
public: //data
HBufC* iVisualTextBuffer;
};
CAknNaviLabelExtension* CAknNaviLabelExtension::NewL()
{
CAknNaviLabelExtension* self = new (ELeave) CAknNaviLabelExtension;
CleanupStack::PushL( self );
self->ConstructL();
CleanupStack::Pop( self );
return self;
}
CAknNaviLabelExtension::CAknNaviLabelExtension()
{
}
CAknNaviLabelExtension::~CAknNaviLabelExtension()
{
delete iVisualTextBuffer;
}
void CAknNaviLabelExtension::ConstructL()
{
iVisualTextBuffer = HBufC::NewL(0);
}
void CAknNaviLabelExtension::SetVisualBufferSizeL( TInt aSize )
{
if ( aSize <= iVisualTextBuffer->Des().MaxLength() )
{
return;
}
HBufC* tempBuf = HBufC::NewL( aSize );
delete iVisualTextBuffer;
iVisualTextBuffer = tempBuf;
}
EXPORT_C CAknNaviLabel::~CAknNaviLabel()
{
AKNTASHOOK_REMOVE();
delete iText;
delete iExtension;
}
EXPORT_C CAknNaviLabel::CAknNaviLabel()
{
AKNTASHOOK_ADD( this, "CAknNaviLabel" );
}
EXPORT_C void CAknNaviLabel::SetTextL( const TDesC& aText )
{
__ASSERT_DEBUG( &aText, Panic( EAknPanicNullPointer ) );
if ( !iExtension )
{
iExtension = CAknNaviLabelExtension::NewL();
}
User::LeaveIfError( AknBidiTextUtils::PrepareRunInfoArray( aText ) );
HBufC* newText = aText.AllocLC();
iExtension->SetVisualBufferSizeL(
aText.Length() + KAknBidiExtraSpacePerLine );
CleanupStack::Pop( newText );
delete iText; // after all allocations succeed
iText = newText;
SizeChanged();
}
EXPORT_C void CAknNaviLabel::SetNaviLabelType( TNaviLabelType aLabelType )
{
iLabelType = aLabelType;
}
EXPORT_C CAknNaviLabel::TNaviLabelType CAknNaviLabel::NaviLabelType()
{
return iLabelType;
}
EXPORT_C void CAknNaviLabel::SizeChanged()
{
if ( !iExtension )
{
return;
}
TRect parentRect( Rect() );
CGraphicsContext::TTextAlign alignment = CGraphicsContext::ELeft;
iRightOffset = 0;
TAknLayoutText textLayout( LayoutText() );
switch ( iLabelType )
{
case ENavigationLabel:
{
TRect textRect( textLayout.TextRect() );
TRect rect( Rect() );
// because this components rect is not same as navipane
// in LAF some calculations are needed.
// The left margin amount of navipane that this labels
// rect does not cover.
TInt leftOutsideMargin = 0;
// The right margin amount of navipane that this labels
// rect does not cover.
TInt rightOutsideMargin = 0;
leftOutsideMargin = rect.iTl.iX;
rightOutsideMargin = parentRect.iBr.iX - rect.iBr.iX;
if ( leftOutsideMargin < 0 )
{
leftOutsideMargin = 0;
}
if ( rightOutsideMargin < 0 )
{
rightOutsideMargin = 0;
}
iLeftMargin = textRect.iTl.iX - leftOutsideMargin;
iRightMargin = rect.iBr.iX - textRect.iBr.iX;
iFont = textLayout.Font();
iColor = textLayout.Color();
alignment = textLayout.Align();
}
break;
case EAdditionalInfoLabel: // fallthrough, these use same properties.
case EHintText:
{
TRect textRect( textLayout.TextRect() );
iLeftMargin = textRect.iTl.iX;
iRightMargin = parentRect.iBr.iX - textRect.iBr.iX;
iFont = textLayout.Font();
iColor = textLayout.Color();
alignment = textLayout.Align();
}
break;
default:
break;
}
TInt width = WidthInsideMargins();
if ( width < 0 )
{
width = 0;
}
TPtr truncated = iExtension->iVisualTextBuffer->Des();
AknBidiTextUtils::ConvertToVisualAndClip(
*iText,
truncated,
*iFont,
width,
width );
if ( alignment == CGraphicsContext::ECenter )
{
// Center the text. Must inform the text measurement algorithm that
// the text is in visual, not logical order.
CFont::TMeasureTextInput input;
input.iFlags = CFont::TMeasureTextInput::EFVisualOrder;
TInt textLength = iFont->MeasureText( truncated, &input );
iRightOffset = ( width - textLength ) / 2;
}
}
EXPORT_C void CAknNaviLabel::Draw( const TRect& /*aRect*/ ) const
{
if ( !iExtension )
{
return;
}
CWindowGc& gc = SystemGc();
TRect rect( Rect() );
gc.UseFont( iFont );
TRgb color = iColor;
MAknsSkinInstance* skin = AknsUtils::SkinInstance();
TAknLayoutText layoutText( LayoutText() );
if ( AknStatuspaneUtils::StaconPaneActive() )
{
AknsUtils::GetCachedColor( skin,
color,
KAknsIIDQsnTextColors,
EAknsCIQsnTextColorsCG43 );
}
else
{
AknsUtils::GetCachedColor( skin,
color,
KAknsIIDQsnTextColors,
EAknsCIQsnTextColorsCG2 );
}
layoutText.DrawText( gc, *iText, ETrue, color );
}
EXPORT_C void CAknNaviLabel::HandlePointerEventL(
const TPointerEvent& aPointerEvent )
{
CAknControl::HandlePointerEventL( aPointerEvent );
}
EXPORT_C void* CAknNaviLabel::ExtensionInterface( TUid /*aInterface*/ )
{
return NULL;
}
TInt CAknNaviLabel::WidthInsideMargins() const
{
TInt width = Rect().Width() - iLeftMargin - iRightMargin;
return width;
}
TAknLayoutText CAknNaviLabel::LayoutText() const
{
TRect parentRect( CAknNavigationDecorator::DecoratedControlRect(
CAknNavigationDecorator::ENaviLabel ) );
TAknWindowLineLayout naviPaneLayout;
TAknWindowLineLayout naviTextPaneLayout;
TAknTextLineLayout layout;
// In flat status pane with narrow layout we have another layout
TBool flatNarrow = AknStatuspaneUtils::FlatLayoutActive() &&
parentRect.Width() > Rect().Width();
if ( flatNarrow )
{
parentRect = Rect();
}
if ( AknStatuspaneUtils::SmallLayoutActive() )
{
layout = AknLayoutScalable_Avkon::status_small_pane_t1( 0 );
}
else
{
switch ( iLabelType )
{
case ENavigationLabel:
{
if ( flatNarrow )
{
naviPaneLayout = AknLayoutScalable_Avkon::navi_navi_pane_srt().LayoutLine();
naviTextPaneLayout = AknLayoutScalable_Avkon::navi_navi_text_pane_srt().LayoutLine();
layout = TAknWindowComponentLayout::ComposeText( naviPaneLayout,
TAknWindowComponentLayout::ComposeText( naviTextPaneLayout,
AknLayoutScalable_Avkon::navi_navi_text_pane_srt_t1().LayoutLine() ) );
}
else
{
naviPaneLayout = AknLayoutScalable_Avkon::navi_navi_pane().LayoutLine();
naviTextPaneLayout = AknLayoutScalable_Avkon::navi_navi_text_pane().LayoutLine();
layout = TAknWindowComponentLayout::ComposeText( naviPaneLayout,
TAknWindowComponentLayout::ComposeText( naviTextPaneLayout,
AknLayoutScalable_Avkon::navi_navi_text_pane_t1().LayoutLine() ) );
}
}
break;
case EAdditionalInfoLabel:
{
if ( flatNarrow )
{
naviTextPaneLayout = AknLayoutScalable_Avkon::navi_text_pane_srt(1).LayoutLine();
layout = TAknWindowComponentLayout::ComposeText( naviTextPaneLayout,
AknLayoutScalable_Avkon::navi_text_pane_srt_t1().LayoutLine() );
}
else
{
naviTextPaneLayout = AknLayoutScalable_Avkon::navi_text_pane(1).LayoutLine();
layout = TAknWindowComponentLayout::ComposeText( naviTextPaneLayout,
AknLayoutScalable_Avkon::navi_text_pane_t1().LayoutLine() );
}
}
break;
case EHintText:
{
if ( flatNarrow )
{
naviTextPaneLayout = AknLayoutScalable_Avkon::navi_text_pane_srt(0).LayoutLine();
layout = TAknWindowComponentLayout::ComposeText( naviTextPaneLayout,
AknLayoutScalable_Avkon::navi_text_pane_srt_t1().LayoutLine() );
}
else
{
naviTextPaneLayout = AknLayoutScalable_Avkon::navi_text_pane(0).LayoutLine();
layout = TAknWindowComponentLayout::ComposeText( naviTextPaneLayout,
AknLayoutScalable_Avkon::navi_text_pane_t1().LayoutLine() );
}
}
break;
default:
break;
}
}
// In stacon pane text justification depends on which side the
// soft keys are. We change justification here manually because
// the LAF data does not support this yet. So this code overides also
// A & H mirroring which is supposed to be not used in stacon pane anyway.
if ( AknStatuspaneUtils::StaconPaneActive() &&
layout.iJ != ELayoutAlignCenter )
{
if ( AknStatuspaneUtils::StaconSoftKeysLeft() )
{
layout.iJ = ELayoutAlignRight;
}
else
{
layout.iJ = ELayoutAlignLeft;
}
}
// In flat status pane we change justification here manually because
// the LAF data does not support this yet. This way we avoid odd looking
// situation where navitexts are in the middle of the status pane area.
// Right side is more sensible place (left in A&H).
else if ( AknStatuspaneUtils::FlatLayoutActive() &&
layout.iJ != ELayoutAlignCenter )
{
if ( AknLayoutUtils::LayoutMirrored() )
{
layout.iJ = ELayoutAlignLeft;
}
else
{
layout.iJ = ELayoutAlignRight;
}
}
TAknLayoutText textLayout;
textLayout.LayoutText( parentRect, layout );
return textLayout;
}
// End of File