author | qifeima <> |
Thu, 03 Jun 2010 18:57:10 +0800 | |
changeset 12 | 18b321db4884 |
parent 1 | edfc90759b9f |
permissions | -rw-r--r-- |
1
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/* |
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* Copyright (c) 2010 Ixonos Plc. |
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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 the "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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* Ixonos Plc |
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* |
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* Description: |
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* |
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*/ |
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|
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// INCLUDE |
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#include <fbs.h> |
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#include <aknutils.h> |
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#include <ImageEditorUI.rsg> |
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#include <AknLayoutScalable_Avkon.cdl.h> |
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#include <AknLayoutScalable_Apps.cdl.h> |
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|
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#include <AknIconUtils.h> |
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#include <ImageEditorUi.mbg> |
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#include "ResolutionUtil.h" |
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#include "ImageEditorUiDefs.h" |
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#include "HorizontalSlider.h" |
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#include "CustomControlPanics.h" |
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// constants |
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const TInt KBorderPartsNum = 9; |
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const TInt KSliderPartsNum = 4; |
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|
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//============================================================================= |
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EXPORT_C CHorizontalSlider* CHorizontalSlider::NewL(const TRect& aRect, const CCoeControl& aControl) |
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{ |
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CHorizontalSlider* self = CHorizontalSlider::NewLC(aRect, aControl); |
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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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EXPORT_C CHorizontalSlider* CHorizontalSlider::NewLC(const TRect& aRect, const CCoeControl& aControl) |
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{ |
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CHorizontalSlider* self = new (ELeave) CHorizontalSlider; |
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CleanupStack::PushL(self); |
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self->ConstructL(aRect, aControl); |
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return self; |
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} |
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|
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//============================================================================= |
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EXPORT_C CHorizontalSlider::~CHorizontalSlider() |
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{ |
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iBorders.ResetAndDestroy(); |
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iScrollBar.ResetAndDestroy(); |
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if (iIcon) |
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{ |
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delete iIcon; |
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} |
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} |
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|
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//============================================================================= |
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void CHorizontalSlider::ConstructL(const TRect& aRect, const CCoeControl& aControl) |
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{ |
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SetContainerWindowL(aControl); |
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SetRect(aRect); |
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|
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TInt variant = 0; |
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TFileName iconFile (KImageEditorUiMifFile); |
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|
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// create popup and slider graphics |
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for ( TInt i = 0; i < KBorderPartsNum; ++i ) |
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{ |
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CEikImage* image = new (ELeave) CEikImage; |
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image->CreatePictureFromFileL(iconFile, |
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EMbmImageeditoruiQgn_graf_popup_trans_center + 2*i, |
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EMbmImageeditoruiQgn_graf_popup_trans_center_mask + 2*i); |
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|
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CleanupStack::PushL( image ); |
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image->SetContainerWindowL( *this ); |
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// image->SetPictureOwnedExternally( ETrue ); |
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iBorders.AppendL( image ); |
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CleanupStack::Pop( image ); |
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} |
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for ( TInt i = 0; i < KSliderPartsNum; ++i ) |
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{ |
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CEikImage* image = new (ELeave) CEikImage; |
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image->CreatePictureFromFileL(iconFile, |
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EMbmImageeditoruiQgn_graf_nslider_imed_end_left + 2*i, |
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EMbmImageeditoruiQgn_graf_nslider_imed_end_left_mask + 2*i); |
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|
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CleanupStack::PushL( image ); |
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image->SetContainerWindowL( *this ); |
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// image->SetPictureOwnedExternally( ETrue ); |
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iScrollBar.AppendL( image ); |
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CleanupStack::Pop( image ); |
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} |
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ActivateL(); |
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} |
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//============================================================================= |
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CHorizontalSlider::CHorizontalSlider() |
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{ |
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// no implementation required |
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} |
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//============================================================================= |
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EXPORT_C TInt CHorizontalSlider::CountComponentControls() const |
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{ |
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TInt count = iBorders.Count(); |
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count += iScrollBar.Count(); |
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if (iIcon) |
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{ |
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count++; |
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} |
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|
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return count; |
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} |
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|
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//============================================================================= |
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void CHorizontalSlider::Draw(const TRect& /*aRect*/) const |
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{ |
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// determine popup border layouts |
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AknLayoutUtils::LayoutControl( iBorders[0], Rect(), AknLayoutScalable_Avkon::bg_tb_trans_pane_g1().LayoutLine() ); |
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AknLayoutUtils::LayoutControl( iBorders[1], Rect(), AknLayoutScalable_Avkon::bg_tb_trans_pane_g2().LayoutLine() ); |
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AknLayoutUtils::LayoutControl( iBorders[2], Rect(), AknLayoutScalable_Avkon::bg_tb_trans_pane_g3().LayoutLine() ); |
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AknLayoutUtils::LayoutControl( iBorders[3], Rect(), AknLayoutScalable_Avkon::bg_tb_trans_pane_g4().LayoutLine() ); |
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AknLayoutUtils::LayoutControl( iBorders[4], Rect(), AknLayoutScalable_Avkon::bg_tb_trans_pane_g5().LayoutLine() ); |
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AknLayoutUtils::LayoutControl( iBorders[5], Rect(), AknLayoutScalable_Avkon::bg_tb_trans_pane_g6().LayoutLine() ); |
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AknLayoutUtils::LayoutControl( iBorders[6], Rect(), AknLayoutScalable_Avkon::bg_tb_trans_pane_g7().LayoutLine() ); |
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AknLayoutUtils::LayoutControl( iBorders[7], Rect(), AknLayoutScalable_Avkon::bg_tb_trans_pane_g8().LayoutLine() ); |
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AknLayoutUtils::LayoutControl( iBorders[8], Rect(), AknLayoutScalable_Avkon::bg_tb_trans_pane_g9().LayoutLine() ); |
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// Images need to be resized separately, because the standard LayoutImage |
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// tries to preserve the aspect ratio and we don't want that. |
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// |
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for ( TInt i = 0; i < iBorders.Count(); ++i ) |
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{ |
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AknIconUtils::SetSize( |
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const_cast<CFbsBitmap*>( iBorders[i]->Bitmap() ), |
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iBorders[i]->Size(), EAspectRatioNotPreserved ); |
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} |
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|
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// determine icon layout |
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AknLayoutUtils::LayoutControl( iIcon, Rect(), AknLayoutScalable_Apps::popup_imed_adjust2_window_g1().LayoutLine() ); |
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AknIconUtils::SetSize( |
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const_cast<CFbsBitmap*>( iIcon->Bitmap() ), |
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iIcon->Size(), EAspectRatioNotPreserved ); |
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|
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// determine caption layout |
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TAknLayoutText layoutText; |
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layoutText.LayoutText( Rect(), AknLayoutScalable_Apps::popup_imed_adjust2_window_t1() ); |
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TRgb color = layoutText.Color(); |
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layoutText.DrawText( SystemGc(), iText, ETrue, color ); |
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|
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// determine scrollbar layouts |
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TAknWindowComponentLayout l = AknLayoutScalable_Apps::slider_imed_adjust_pane(); |
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TAknWindowLineLayout lineLayout = l.LayoutLine(); |
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TAknLayoutRect layoutRect; |
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layoutRect.LayoutRect(Rect(), lineLayout); |
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AknLayoutUtils::LayoutControl( iScrollBar[0], layoutRect.Rect(), AknLayoutScalable_Apps::slider_imed_adjust_pane_g1().LayoutLine() ); |
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AknLayoutUtils::LayoutControl( iScrollBar[1], layoutRect.Rect(), AknLayoutScalable_Apps::slider_imed_adjust_pane_g2().LayoutLine() ); |
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AknLayoutUtils::LayoutControl( iScrollBar[2], layoutRect.Rect(), AknLayoutScalable_Apps::slider_imed_adjust_pane_g3().LayoutLine() ); |
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AknLayoutUtils::LayoutControl( iScrollBar[3], layoutRect.Rect(), AknLayoutScalable_Apps::slider_imed_adjust_pane_g4().LayoutLine() ); |
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for ( TInt i = 0; i < iScrollBar.Count(); ++i ) |
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{ |
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AknIconUtils::SetSize( |
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const_cast<CFbsBitmap*>( iScrollBar[i]->Bitmap() ), |
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iScrollBar[i]->Size(), EAspectRatioNotPreserved ); |
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} |
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|
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// determine scrollbar marker layout |
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if ( iMinimumValue <= iMaximumValue ) |
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{ |
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TUint length = iMaximumValue - iMinimumValue; // length of the slider |
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TUint pixelsFromMin = iPosition - iMinimumValue; // tab position from the beginning |
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|
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TReal factor = 0.0; |
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if (iMinimumValue < iMaximumValue ) |
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{ |
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factor = (TReal) pixelsFromMin / length; // tab position from the beginning in percentage |
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} |
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|
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TUint sliderTabWidth = iScrollBar[KSliderPartsNum - 1]->Size().iWidth; // slider tab width |
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|
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// slider bitmap is actually a bit longer but this resolves the problem |
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// where the tab is drawn outside of the slider when in maximum position |
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TUint sliderBitmapWidth = layoutRect.Rect().Width() - sliderTabWidth; |
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|
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TInt tabPositionFromMinInPixels = (TInt) ((factor * sliderBitmapWidth + 0.5) - (sliderBitmapWidth / 2)); // calculate tab position |
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|
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TRect markerRect = layoutRect.Rect(); |
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markerRect.iTl.iX += tabPositionFromMinInPixels; |
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|
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AknLayoutUtils::LayoutControl( iScrollBar[KSliderPartsNum - 1], markerRect, AknLayoutScalable_Apps::slider_imed_adjust_pane_g4().LayoutLine() ); |
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|
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AknIconUtils::SetSize( |
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const_cast<CFbsBitmap*>( iScrollBar[KSliderPartsNum - 1]->Bitmap() ), |
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iScrollBar[KSliderPartsNum - 1]->Size(), EAspectRatioNotPreserved ); |
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} |
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} |
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|
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//============================================================================= |
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EXPORT_C CCoeControl* CHorizontalSlider::ComponentControl(TInt aIndex) const |
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{ |
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if ( aIndex < iBorders.Count() ) |
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{ |
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return iBorders[aIndex]; |
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} |
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|
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if ( aIndex < iBorders.Count() + iScrollBar.Count()) |
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{ |
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return iScrollBar[aIndex - iBorders.Count()]; |
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} |
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return iIcon; |
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222 |
} |
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// setters |
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//============================================================================= |
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EXPORT_C void CHorizontalSlider::SetIcon(CEikImage* aIcon) |
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{ |
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iIcon = aIcon; |
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} |
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//============================================================================= |
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EXPORT_C void CHorizontalSlider::SetCaption(const TDesC& aText) |
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{ |
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iText = aText; |
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} |
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//============================================================================= |
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EXPORT_C void CHorizontalSlider::SetMinimum(TInt aValue) |
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{ |
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iMinimumValue = aValue; |
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} |
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//============================================================================= |
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EXPORT_C void CHorizontalSlider::SetMaximum(TInt aValue) |
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{ |
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iMaximumValue = aValue; |
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} |
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//============================================================================= |
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EXPORT_C void CHorizontalSlider::SetStep(TUint aValue) |
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{ |
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iStep = aValue; |
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} |
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//============================================================================= |
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EXPORT_C void CHorizontalSlider::SetStepAmount(TUint8 aValue) |
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{ |
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iNumberOfSteps = aValue; |
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|
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if(aValue == 0) |
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{ |
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iStep = 0; |
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} |
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Committing the Image Editor package under the Eclipse Public License
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else |
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{ |
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iStep = (iMaximumValue-iMinimumValue) / aValue; |
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} |
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} |
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//============================================================================= |
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EXPORT_C void CHorizontalSlider::SetPosition(TInt aValue) |
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{ |
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__ASSERT_ALWAYS( aValue >= iMinimumValue, Panic(EHorizontalSliderPanicIndexUnderflow) ); |
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__ASSERT_ALWAYS( aValue <= iMaximumValue, Panic(EHorizontalSliderPanicIndexOverflow) ); |
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iPosition = aValue; |
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} |
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|
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// getters |
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//============================================================================= |
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EXPORT_C TInt CHorizontalSlider::Minimum() const |
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{ |
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return iMinimumValue; |
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} |
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|
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//============================================================================= |
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EXPORT_C TInt CHorizontalSlider::Maximum() const |
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{ |
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return iMaximumValue; |
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Committing the Image Editor package under the Eclipse Public License
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} |
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|
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//============================================================================= |
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EXPORT_C TInt CHorizontalSlider::Step() const |
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Committing the Image Editor package under the Eclipse Public License
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{ |
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Committing the Image Editor package under the Eclipse Public License
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return iStep; |
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Committing the Image Editor package under the Eclipse Public License
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|
298 |
} |
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Committing the Image Editor package under the Eclipse Public License
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|
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//============================================================================= |
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301 |
EXPORT_C TInt CHorizontalSlider::Position() const |
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Committing the Image Editor package under the Eclipse Public License
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{ |
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Committing the Image Editor package under the Eclipse Public License
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|
303 |
return iPosition; |
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Committing the Image Editor package under the Eclipse Public License
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|
304 |
} |
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Committing the Image Editor package under the Eclipse Public License
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|
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|
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|
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//============================================================================= |
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Committing the Image Editor package under the Eclipse Public License
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307 |
EXPORT_C void CHorizontalSlider::Increment() |
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Committing the Image Editor package under the Eclipse Public License
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{ |
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Committing the Image Editor package under the Eclipse Public License
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309 |
iPosition += iStep; |
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Committing the Image Editor package under the Eclipse Public License
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|
310 |
if(iPosition > iMaximumValue) |
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Committing the Image Editor package under the Eclipse Public License
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|
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{ |
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Committing the Image Editor package under the Eclipse Public License
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iPosition = iMaximumValue; |
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|
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} |
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Committing the Image Editor package under the Eclipse Public License
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|
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} |
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Committing the Image Editor package under the Eclipse Public License
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|
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|
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Committing the Image Editor package under the Eclipse Public License
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|
316 |
//============================================================================= |
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Committing the Image Editor package under the Eclipse Public License
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317 |
EXPORT_C void CHorizontalSlider::Decrement() |
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Committing the Image Editor package under the Eclipse Public License
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|
318 |
{ |
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Committing the Image Editor package under the Eclipse Public License
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|
319 |
iPosition -= iStep; |
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Committing the Image Editor package under the Eclipse Public License
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|
320 |
if(iPosition < iMinimumValue) |
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Committing the Image Editor package under the Eclipse Public License
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|
321 |
{ |
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Committing the Image Editor package under the Eclipse Public License
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|
322 |
iPosition = iMinimumValue; |
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Committing the Image Editor package under the Eclipse Public License
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|
323 |
} |
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Committing the Image Editor package under the Eclipse Public License
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|
324 |
} |
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Committing the Image Editor package under the Eclipse Public License
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|
325 |
|
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Committing the Image Editor package under the Eclipse Public License
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|
326 |
// End of File |