imageeditor/ImageEditorUI/src/VerticalSlider.cpp
changeset 1 edfc90759b9f
equal deleted inserted replaced
0:57d4cdd99204 1:edfc90759b9f
       
     1 /*
       
     2 * Copyright (c) 2010 Ixonos Plc.
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of the "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - Initial contribution
       
    11 *
       
    12 * Contributors:
       
    13 * Ixonos Plc
       
    14 *
       
    15 * Description:  
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 
       
    21 #include "VerticalSlider.h"
       
    22 #include "CustomControlPanics.h"
       
    23 #include <ImageEditorUi.mbg>
       
    24 #include "ResolutionUtil.h"
       
    25 #include "ImageEditorUiDefs.h"
       
    26 #include <fbs.h>
       
    27 #include <aknutils.h>
       
    28 #include <AknIconUtils.h>
       
    29 
       
    30 
       
    31 // CONSTANTS
       
    32 const TInt KStandardSliderWidth     = 7;
       
    33 const TInt KStandardSliderHeight    = 132;
       
    34 const TInt KStandardSliderTabWidth  = 7;
       
    35 const TInt KStandardSliderTabHeight = 12;
       
    36 
       
    37 const TInt KDoubleSliderWidth       = 13;
       
    38 const TInt KDoubleSliderHeight      = 244;
       
    39 const TInt KDoubleSliderTabWidth    = 13;
       
    40 const TInt KDoubleSliderTabHeight   = 24;
       
    41 
       
    42 const TInt KQVGASliderWidth         = 10;
       
    43 const TInt KQVGASliderHeight        = 188;
       
    44 const TInt KQVGASliderTabWidth      = 10;
       
    45 const TInt KQVGASliderTabHeight     = 18;
       
    46 
       
    47 const TInt KHVGASliderWidth         = 13;
       
    48 const TInt KHVGASliderHeight        = 244;
       
    49 const TInt KHVGASliderTabWidth      = 13;
       
    50 const TInt KHVGASliderTabHeight     = 24;
       
    51 
       
    52 const TInt KVGASliderWidth          = 20;
       
    53 const TInt KVGASliderHeight         = 376;
       
    54 const TInt KVGASliderTabWidth       = 20;
       
    55 const TInt KVGASliderTabHeight      = 36;
       
    56 
       
    57 const TInt KQHDSliderWidth          = 13;
       
    58 const TInt KQHDSliderHeight         = 244;
       
    59 const TInt KQHDSliderTabWidth       = 13;
       
    60 const TInt KQHDSliderTabHeight      = 24;
       
    61 
       
    62 //=============================================================================
       
    63 EXPORT_C CVerticalSlider* CVerticalSlider::NewL(const TRect& aRect, const CCoeControl& aControl)
       
    64     {
       
    65     CVerticalSlider* self = CVerticalSlider::NewLC(aRect, aControl);
       
    66     CleanupStack::Pop(self);
       
    67     return self;
       
    68     }
       
    69 
       
    70 //=============================================================================
       
    71 EXPORT_C CVerticalSlider* CVerticalSlider::NewLC(const TRect& aRect, const CCoeControl& aControl)
       
    72     {
       
    73     CVerticalSlider* self = new (ELeave) CVerticalSlider;
       
    74     CleanupStack::PushL(self);
       
    75     self->ConstructL(aRect, aControl);
       
    76     return self;
       
    77     }
       
    78 
       
    79 //=============================================================================
       
    80 EXPORT_C CVerticalSlider::~CVerticalSlider()
       
    81     {
       
    82     delete iSliderBg;
       
    83 	delete iSliderBgMask;
       
    84 	delete iSliderTab;
       
    85 	delete iSliderTabMask;
       
    86     }
       
    87 
       
    88 //=============================================================================
       
    89 void CVerticalSlider::ConstructL(const TRect& /*aRect*/, const CCoeControl& aControl)
       
    90     {
       
    91 	SetContainerWindowL(aControl);
       
    92 	
       
    93     // Load the bitmaps
       
    94     LoadBitmapL( iSliderBg, iSliderBgMask, EMbmImageeditoruiQgn_graf_ied_vslider, EMbmImageeditoruiQgn_graf_ied_vslider_mask );
       
    95     LoadBitmapL( iSliderTab, iSliderTabMask, EMbmImageeditoruiQgn_graf_ied_vtab, EMbmImageeditoruiQgn_graf_ied_vtab_mask );
       
    96     SetBitmapSize();
       
    97 
       
    98 	ActivateL();
       
    99     }
       
   100 
       
   101 //=============================================================================
       
   102 CVerticalSlider::CVerticalSlider()
       
   103     {
       
   104     // no implementation required
       
   105     }
       
   106 
       
   107 //=============================================================================
       
   108 EXPORT_C TInt CVerticalSlider::CountComponentControls() const
       
   109     {
       
   110     return 0;
       
   111     }
       
   112 
       
   113 //=============================================================================
       
   114 void CVerticalSlider::Draw(const TRect& /*aRect*/) const
       
   115 {
       
   116     if ( iMinimumValue <= iMaximumValue )
       
   117     {
       
   118         TUint height = iMaximumValue - iMinimumValue; // height of the slider
       
   119         TUint pixelsFromMin = iPosition - iMinimumValue; // tab position from the beginning
       
   120     
       
   121         TReal factor = 0.0;
       
   122         if (iMinimumValue < iMaximumValue )
       
   123         {
       
   124             factor = (TReal) pixelsFromMin / height; // tab position from the beginning in percentage
       
   125         }
       
   126         TUint sliderTabHeight = iSliderTab->SizeInPixels().iHeight; // slider tab height
       
   127 
       
   128         // slider bitmap is actually a bit longer but this resolves the problem
       
   129         // where the tab is drawn outside of the slider when in maximum position
       
   130         TUint sliderBitmapHeight = iSliderBg->SizeInPixels().iHeight - sliderTabHeight;
       
   131     
       
   132         TUint tabPositionFromMinInPixels = (TUint) (factor * sliderBitmapHeight + 0.5); // calculate tab position
       
   133 
       
   134         // top left coordinate
       
   135         const TPoint tl = Rect().iTl;
       
   136 
       
   137         CWindowGc& gc = SystemGc();
       
   138 
       
   139         // draw actual slider using mask bitmap
       
   140         TRect bgRect(TPoint(0,0), iSliderBg->SizeInPixels());
       
   141         gc.BitBltMasked(tl, iSliderBg, bgRect, iSliderBgMask, ETrue);
       
   142 
       
   143         // draw the tab using mask bitmap
       
   144         TRect tabRect(TPoint(0,0),iSliderTab->SizeInPixels());
       
   145         gc.BitBltMasked(TPoint(tl.iX, tl.iY+tabPositionFromMinInPixels), iSliderTab, tabRect, iSliderTabMask, ETrue);
       
   146     }
       
   147 }
       
   148 
       
   149 //=============================================================================
       
   150 EXPORT_C CCoeControl* CVerticalSlider::ComponentControl(TInt /*aIndex*/) const
       
   151     {
       
   152     return NULL;
       
   153     }
       
   154 
       
   155 //=============================================================================
       
   156 EXPORT_C TSize CVerticalSlider::MinimumSize()
       
   157 	{
       
   158 	TSize size = iSliderBg->SizeInPixels();
       
   159 	return size;
       
   160 	}
       
   161 
       
   162 // setters
       
   163 
       
   164 //=============================================================================
       
   165 EXPORT_C void CVerticalSlider::SetMinimum(TInt aValue)
       
   166 	{
       
   167 	iMinimumValue = aValue;
       
   168 	}
       
   169 
       
   170 //=============================================================================
       
   171 EXPORT_C void CVerticalSlider::SetMaximum(TInt aValue)
       
   172 	{
       
   173 	iMaximumValue = aValue;
       
   174 	}
       
   175 
       
   176 //=============================================================================
       
   177 EXPORT_C void CVerticalSlider::SetStep(TUint aValue)
       
   178 	{
       
   179 	iStep = aValue;
       
   180 	}
       
   181 
       
   182 //=============================================================================
       
   183 EXPORT_C void CVerticalSlider::SetStepAmount(TUint8 aValue)
       
   184 	{
       
   185 	iNumberOfSteps = aValue;
       
   186 	
       
   187 	if(aValue == 0)
       
   188 		{
       
   189 		iStep = 0;
       
   190 		}
       
   191 	else
       
   192 		{
       
   193 		iStep = (iMaximumValue-iMinimumValue) / aValue;
       
   194 		}
       
   195 	}
       
   196 
       
   197 //=============================================================================
       
   198 EXPORT_C void CVerticalSlider::SetPosition(TInt aValue)
       
   199 	{
       
   200 	__ASSERT_ALWAYS( aValue >= iMinimumValue, Panic(EVerticalSliderPanicIndexUnderflow) );
       
   201 	__ASSERT_ALWAYS( aValue <= iMaximumValue, Panic(EVerticalSliderPanicIndexOverflow) );
       
   202 
       
   203 	iPosition = aValue;
       
   204 	}
       
   205 
       
   206 // getters
       
   207 
       
   208 //=============================================================================
       
   209 EXPORT_C TInt CVerticalSlider::Minimum() const
       
   210 	{
       
   211 	return iMinimumValue;
       
   212 	}
       
   213 
       
   214 //=============================================================================
       
   215 EXPORT_C TInt CVerticalSlider::Maximum() const
       
   216 	{
       
   217 	return iMaximumValue;
       
   218 	}
       
   219 
       
   220 //=============================================================================
       
   221 EXPORT_C TInt CVerticalSlider::Step() const
       
   222 	{
       
   223 	return iStep;
       
   224 	}
       
   225 
       
   226 //=============================================================================
       
   227 EXPORT_C TInt CVerticalSlider::Position() const
       
   228 	{
       
   229 	return iPosition;
       
   230 	}
       
   231 
       
   232 //=============================================================================
       
   233 EXPORT_C void CVerticalSlider::Increment()
       
   234 	{
       
   235 	iPosition += iStep;
       
   236 	if(iPosition > iMaximumValue)
       
   237 		{
       
   238 		iPosition = iMaximumValue;
       
   239 		}
       
   240 	}
       
   241 
       
   242 //=============================================================================
       
   243 EXPORT_C void CVerticalSlider::Decrement()
       
   244 	{
       
   245 	iPosition -= iStep;
       
   246 	if(iPosition < iMinimumValue)
       
   247 		{
       
   248 		iPosition = iMinimumValue;
       
   249 		}
       
   250 	}
       
   251 
       
   252 
       
   253 //=============================================================================
       
   254 void CVerticalSlider::LoadBitmapL( CFbsBitmap*& aBitmap, CFbsBitmap*& aMask, TInt aBitmapId, TInt aMaskId ) const
       
   255 {
       
   256 
       
   257     TFileName iconFile( KImageEditorUiMifFile );
       
   258     User::LeaveIfError( CompleteWithAppPath(iconFile) );
       
   259 
       
   260     // Get ids for bitmap and mask
       
   261     AknIconUtils::CreateIconL(
       
   262         aBitmap,
       
   263         aMask,
       
   264         iconFile,
       
   265         aBitmapId,
       
   266         aMaskId
       
   267         );
       
   268 
       
   269 
       
   270 }
       
   271 
       
   272 //=============================================================================
       
   273 void CVerticalSlider::SetBitmapSize() const
       
   274 {
       
   275 
       
   276     __ASSERT_ALWAYS( iSliderBg && iSliderTab, Panic(EVerticalSliderPanicBitmapsNotLoaded) );
       
   277 
       
   278     //  Get the screen mode from the Resolution Util
       
   279     TInt screenMode = CResolutionUtil::Self()->GetScreenMode();
       
   280 
       
   281     TSize sliderSize;
       
   282     TSize tabSize;
       
   283 
       
   284     switch( screenMode )
       
   285     {
       
   286         // small screen sizes
       
   287         case CResolutionUtil::EStandard:
       
   288         case CResolutionUtil::EStandardFullScreen:
       
   289         case CResolutionUtil::EStandardLandscape:
       
   290         case CResolutionUtil::EStandardLandscapeFullScreen:
       
   291         case CResolutionUtil::ESquare:
       
   292         case CResolutionUtil::ESquareFullScreen:
       
   293         case CResolutionUtil::ESquareRotated:
       
   294         case CResolutionUtil::ESquareRotatedFullScreen:
       
   295         {
       
   296             sliderSize = TSize (KStandardSliderWidth, KStandardSliderHeight);
       
   297             tabSize = TSize (KStandardSliderTabWidth, KStandardSliderTabHeight);
       
   298             break;
       
   299         }
       
   300 
       
   301         // QVGA
       
   302         case CResolutionUtil::EQVGA:
       
   303         case CResolutionUtil::EQVGAFullScreen:
       
   304         case CResolutionUtil::EQVGALandscape:
       
   305         case CResolutionUtil::EQVGALandscapeFullScreen:
       
   306         {
       
   307             sliderSize = TSize (KQVGASliderWidth, KQVGASliderHeight);
       
   308             tabSize = TSize (KQVGASliderTabWidth, KQVGASliderTabHeight);
       
   309             break;
       
   310         }
       
   311        
       
   312         case CResolutionUtil::EDouble:
       
   313         case CResolutionUtil::EDoubleFullScreen:
       
   314         case CResolutionUtil::EDoubleLandscape:
       
   315         case CResolutionUtil::EDoubleLandscapeFullScreen:
       
   316         {
       
   317             sliderSize = TSize (KDoubleSliderWidth, KDoubleSliderHeight);
       
   318             tabSize = TSize (KDoubleSliderTabWidth, KDoubleSliderTabHeight);
       
   319             break;
       
   320         }
       
   321         
       
   322         // HVGA
       
   323         case CResolutionUtil::EHVGA:
       
   324         case CResolutionUtil::EHVGAFullScreen:
       
   325         case CResolutionUtil::EHVGALandscape:
       
   326         case CResolutionUtil::EHVGALandscapeFullScreen:
       
   327         {
       
   328             sliderSize = TSize (KHVGASliderWidth, KHVGASliderHeight);
       
   329             tabSize = TSize (KHVGASliderTabWidth, KHVGASliderTabHeight);
       
   330             break;
       
   331         }
       
   332         
       
   333         // VGA
       
   334         case CResolutionUtil::EVGA:
       
   335         case CResolutionUtil::EVGAFullScreen:
       
   336         case CResolutionUtil::EVGALandscape:
       
   337         case CResolutionUtil::EVGALandscapeFullScreen:
       
   338         {
       
   339             sliderSize = TSize (KVGASliderWidth, KVGASliderHeight);
       
   340             tabSize = TSize (KVGASliderTabWidth, KVGASliderTabHeight);
       
   341             break;
       
   342         }
       
   343         
       
   344         // QHD
       
   345         case CResolutionUtil::EQHD:
       
   346         case CResolutionUtil::EQHDFullScreen:
       
   347         case CResolutionUtil::EQHDLandscape:
       
   348         case CResolutionUtil::EQHDLandscapeFullScreen:
       
   349         {
       
   350             sliderSize = TSize (KQHDSliderWidth, KQHDSliderHeight);
       
   351             tabSize = TSize (KQHDSliderTabWidth, KQHDSliderTabHeight);
       
   352             break;
       
   353         }
       
   354         
       
   355         default:
       
   356         {
       
   357             sliderSize = TSize (KStandardSliderWidth, KStandardSliderHeight);
       
   358             tabSize = TSize (KStandardSliderTabWidth, KStandardSliderTabHeight);
       
   359             break;
       
   360         }
       
   361     }
       
   362     
       
   363     // Set size for scalable icons - MUST BE CALLED BEFORE ICON IS USABLE
       
   364     AknIconUtils::SetSize( iSliderBg, sliderSize );
       
   365     AknIconUtils::SetSize( iSliderTab, tabSize );
       
   366 
       
   367 }
       
   368 
       
   369 // End of File