javauis/lcdui_akn/lcdui/src/CMIDTextBoxEdwinCustomDraw.cpp
branchRCL_3
changeset 19 04becd199f91
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16:f5050f1da672 19:04becd199f91
       
     1 /*
       
     2 * Copyright (c) 2003-2006 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "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 *
       
    14 * Description:  Implementation class for TextBoxEdwinCustomDraw
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // ========== INCLUDE FILES ================================
       
    21 
       
    22 // using CGulIcon API for iIcon
       
    23 #include <gulicon.h>
       
    24 // constants from TMifAvkon enumeration used when creating iIcon
       
    25 #include <avkon.mbg>
       
    26 #include <avkon.hrh>
       
    27 // CLafEdwinCustomDrawBase
       
    28 #include <eikedwin.h>
       
    29 // AknsUtils::CreateGulIconL
       
    30 // AknIconUtils::SetSize
       
    31 // MAknsSkinInstance* skin = AknsUtils::SkinInstance()
       
    32 #include <AknsUtils.h>
       
    33 // LAF
       
    34 // used in GetLayoutRectAndSetLineDelta function
       
    35 #include <aknlayoutscalable_avkon.cdl.h>    // LAF
       
    36 
       
    37 #include <data_caging_path_literals.hrh>
       
    38 
       
    39 #include <s60commonutils.h>
       
    40 
       
    41 #include "CMIDTextBoxEdwinCustomDraw.h"
       
    42 
       
    43 // ========== CONSTANTS ====================================
       
    44 
       
    45 _LIT(KAvkonMbmFileName, "avkon2.mbm");
       
    46 
       
    47 
       
    48 // ========== MEMBER FUNCTIONS =============================
       
    49 
       
    50 // ---------------------------------------------------------
       
    51 // CMIDTextBoxEdwinCustomDraw::NewL
       
    52 // ---------------------------------------------------------
       
    53 //
       
    54 CMIDTextBoxEdwinCustomDraw* CMIDTextBoxEdwinCustomDraw::NewL(const MLafEnv& aEnv,
       
    55         const MFormCustomDraw* aParentCustomDraw,
       
    56         const CEikEdwin* aParentControl)
       
    57 {
       
    58     CMIDTextBoxEdwinCustomDraw* self = new(ELeave) CMIDTextBoxEdwinCustomDraw(aEnv,
       
    59             aParentCustomDraw,
       
    60             aParentControl);
       
    61 
       
    62     CleanupStack::PushL(self);
       
    63     self->ConstructL();
       
    64     CleanupStack::Pop(self);
       
    65 
       
    66     return self;
       
    67 }
       
    68 
       
    69 // ---------------------------------------------------------
       
    70 // CMIDTextBoxEdwinCustomDraw::ConstructL
       
    71 // ---------------------------------------------------------
       
    72 //
       
    73 void CMIDTextBoxEdwinCustomDraw::ConstructL()
       
    74 {
       
    75     // Get resource file name
       
    76     TFileName fileName;
       
    77     fileName.Append(KDC_APP_BITMAP_DIR);
       
    78     fileName.Append(KAvkonMbmFileName);
       
    79     fileName = java::util::S60CommonUtils::VerifiedFileNameL(fileName);
       
    80 
       
    81     iIcon = AknsUtils::CreateGulIconL(AknsUtils::SkinInstance(),
       
    82                                       KAknsIIDQgnGrafLinePrimaryHorizontal,
       
    83                                       fileName,
       
    84                                       EMbmAvkonQgn_graf_line_primary_horizontal,
       
    85                                       EMbmAvkonQgn_graf_line_primary_horizontal_mask);
       
    86 }
       
    87 
       
    88 
       
    89 // ---------------------------------------------------------
       
    90 // CMIDTextBoxEdwinCustomDraw::CMIDTextBoxEdwinCustomDraw
       
    91 // ---------------------------------------------------------
       
    92 //
       
    93 CMIDTextBoxEdwinCustomDraw::CMIDTextBoxEdwinCustomDraw(const MLafEnv& aEnv,
       
    94         const MFormCustomDraw* aParentCustomDraw,
       
    95         const CEikEdwin* aParentControl) :
       
    96         CLafEdwinCustomDrawBase(aEnv,*aParentControl),
       
    97         iParentControl(aParentControl),
       
    98         iParentCustomDraw(aParentCustomDraw)
       
    99 {
       
   100 }
       
   101 
       
   102 // ---------------------------------------------------------
       
   103 // CMIDTextBoxEdwinCustomDraw::~CMIDTextBoxEdwinCustomDraw
       
   104 // ---------------------------------------------------------
       
   105 //
       
   106 CMIDTextBoxEdwinCustomDraw::~CMIDTextBoxEdwinCustomDraw()
       
   107 {
       
   108     if (iRects)
       
   109     {
       
   110         iRects->ResetAndDestroy();
       
   111         delete iRects;
       
   112     }
       
   113 
       
   114     delete iIcon;
       
   115 }
       
   116 
       
   117 // ---------------------------------------------------------
       
   118 // CMIDTextBoxEdwinCustomDraw::CreateRectsIfNeededL
       
   119 // ---------------------------------------------------------
       
   120 //
       
   121 void CMIDTextBoxEdwinCustomDraw::CreateRectsIfNeededL()
       
   122 {
       
   123     if ((!iRects && iNumberOfLinesInBody > 0)
       
   124             || (iRects && (iNumberOfLinesInBody >= iRects->Count())))
       
   125     {
       
   126         if (!iRects)
       
   127         {
       
   128             iRects = new(ELeave) CArrayPtrFlat<TRect>(iNumberOfLinesInBody);
       
   129         }
       
   130 
       
   131         iRects->SetReserveL(iNumberOfLinesInBody);
       
   132 
       
   133         TRect* rect = NULL;
       
   134         for (TUint i = iRects->Count(); i < iNumberOfLinesInBody; i++)
       
   135         {
       
   136             rect = new(ELeave) TRect;
       
   137             CleanupStack::PushL(rect);
       
   138             iRects->InsertL(i, rect);
       
   139             CleanupStack::Pop(rect);
       
   140         }
       
   141     }
       
   142 }
       
   143 
       
   144 // ---------------------------------------------------------
       
   145 // CMIDTextBoxEdwinCustomDraw::GetLayoutRectAndSetLineDelta
       
   146 // ---------------------------------------------------------
       
   147 //
       
   148 TAknLayoutRect CMIDTextBoxEdwinCustomDraw::GetLayoutRectAndSetLineDelta(
       
   149     TRect& aRect,
       
   150     TUint8& aLineTopOffset)
       
   151 {
       
   152     iLineDelta      = 0;
       
   153     aLineTopOffset  = 0;
       
   154 
       
   155     TAknWindowLineLayout listSinglePaneLayout =
       
   156         AknLayoutScalable_Avkon::list_single_midp_pane(0).LayoutLine();
       
   157 
       
   158     // get the top margin for list_single_midp_pane:
       
   159     // used for offset-ing the iLineDelta
       
   160     aLineTopOffset = listSinglePaneLayout.it;
       
   161 
       
   162     TAknLayoutRect listSinglePane;
       
   163     listSinglePane.LayoutRect(aRect, listSinglePaneLayout);
       
   164 
       
   165     TAknLayoutRect horizLinePaneLayout;
       
   166     horizLinePaneLayout.LayoutRect(
       
   167         listSinglePane.Rect(),
       
   168         AknLayoutScalable_Avkon::list_single_midp_pane_g1().LayoutLine());
       
   169 
       
   170     iLineDelta = listSinglePane.Rect().Height();
       
   171     ASSERT(iLineDelta > 0);
       
   172 
       
   173     return horizLinePaneLayout;
       
   174 }
       
   175 
       
   176 // ---------------------------------------------------------
       
   177 // CMIDTextBoxEdwinCustomDraw::CalculateLayout
       
   178 // ---------------------------------------------------------
       
   179 //
       
   180 void CMIDTextBoxEdwinCustomDraw::CalculateLayout(TRect aParentRect)
       
   181 {
       
   182     TRect mainPane = aParentRect;
       
   183 
       
   184     TUint8 lineTopOffset;
       
   185     TAknLayoutRect lineLayout = GetLayoutRectAndSetLineDelta(mainPane,
       
   186                                 lineTopOffset);
       
   187 
       
   188     iNumberOfLinesInBody = (mainPane.Height() - lineTopOffset) / iLineDelta;
       
   189 
       
   190     TRAPD(err, CreateRectsIfNeededL());
       
   191     if (err != KErrNone)
       
   192     {
       
   193         return;
       
   194     }
       
   195 
       
   196     TRect lineRect = lineLayout.Rect();
       
   197 
       
   198     TUint i;
       
   199     for (i = 0; i < iNumberOfLinesInBody; i++)
       
   200     {
       
   201         *(iRects->At(i)) = lineRect;
       
   202         lineRect.Move(0, iLineDelta);
       
   203     }
       
   204 
       
   205     AknIconUtils::SetSize(iIcon->Bitmap(),
       
   206                           lineLayout.Rect().Size(),
       
   207                           EAspectRatioNotPreserved);
       
   208 }
       
   209 
       
   210 // ---------------------------------------------------------
       
   211 // CMIDTextBoxEdwinCustomDraw::DrawBackground
       
   212 // ---------------------------------------------------------
       
   213 //
       
   214 void CMIDTextBoxEdwinCustomDraw::DrawBackground(const TParam& aParam,
       
   215         const TRgb& aRgb,
       
   216         TRect& aDrawn) const
       
   217 {
       
   218     iParentCustomDraw->DrawBackground(aParam, aRgb, aDrawn);
       
   219 
       
   220     DrawEditorLines(aParam, aDrawn);
       
   221 }
       
   222 
       
   223 // ---------------------------------------------------------
       
   224 // CMIDTextBoxEdwinCustomDraw::DrawLineGraphics
       
   225 // ---------------------------------------------------------
       
   226 //
       
   227 void CMIDTextBoxEdwinCustomDraw::DrawLineGraphics(const TParam& aParam,
       
   228         const TLineInfo& aLineInfo) const
       
   229 {
       
   230     iParentCustomDraw->DrawLineGraphics(aParam, aLineInfo);
       
   231 }
       
   232 
       
   233 // ---------------------------------------------------------
       
   234 // CMIDTextBoxEdwinCustomDraw::DrawText
       
   235 // ---------------------------------------------------------
       
   236 //
       
   237 void CMIDTextBoxEdwinCustomDraw::DrawText(const TParam& aParam,
       
   238         const TLineInfo& aLineInfo,
       
   239         const TCharFormat& aFormat,
       
   240         const TDesC& aText,
       
   241         const TPoint& aTextOrigin,
       
   242         TInt aExtraPixels) const
       
   243 {
       
   244     iParentCustomDraw->DrawText(aParam,
       
   245                                 aLineInfo,
       
   246                                 aFormat,
       
   247                                 aText,
       
   248                                 aTextOrigin,
       
   249                                 aExtraPixels);
       
   250 }
       
   251 
       
   252 // ---------------------------------------------------------
       
   253 // CMIDTextBoxEdwinCustomDraw::SystemColor
       
   254 // ---------------------------------------------------------
       
   255 //
       
   256 TRgb CMIDTextBoxEdwinCustomDraw::SystemColor(TUint aColorIndex, TRgb aDefaultColor) const
       
   257 {
       
   258     return iParentCustomDraw->SystemColor(aColorIndex, aDefaultColor);
       
   259 }
       
   260 
       
   261 // ---------------------------------------------------------
       
   262 // CMIDTextBoxEdwinCustomDraw::DrawEditorLines
       
   263 // ---------------------------------------------------------
       
   264 //
       
   265 void CMIDTextBoxEdwinCustomDraw::DrawEditorLines(const TParam& aParam, TRect& aDrawn) const
       
   266 {
       
   267     if (!iRects)
       
   268     {// may happen only in OOM
       
   269         return;
       
   270     }
       
   271 
       
   272     for (TUint i = 0; i < iNumberOfLinesInBody; i++)
       
   273     {
       
   274         // Find out of TRect where will line drawn
       
   275         TRect currentRect = *(iRects->At(i));
       
   276         if (aDrawn.Intersects(currentRect))     // draw only if it is inside the area to be re-drawn
       
   277             // Drawing of line
       
   278             aParam.iGc.DrawBitmapMasked(currentRect,
       
   279                                         iIcon->Bitmap(),
       
   280                                         TRect(TPoint(0 ,0), currentRect.Size()),
       
   281                                         iIcon->Mask(),
       
   282                                         ETrue);
       
   283     }
       
   284 }
       
   285 
       
   286 // ---------------------------------------------------------
       
   287 // CMIDTextBoxEdwinCustomDraw::UpdateIconL
       
   288 // ---------------------------------------------------------
       
   289 //
       
   290 void CMIDTextBoxEdwinCustomDraw::UpdateIconL()
       
   291 {
       
   292     // Find of actual skin
       
   293     MAknsSkinInstance* skin = AknsUtils::SkinInstance();
       
   294     // Get resource file name
       
   295     TFileName fileName;
       
   296     fileName.Append(KDC_APP_BITMAP_DIR);
       
   297     fileName.Append(KAvkonMbmFileName);
       
   298     fileName = java::util::S60CommonUtils::VerifiedFileNameL(fileName);
       
   299 
       
   300     // Update of icon.
       
   301     iIcon = AknsUtils::CreateGulIconL(skin,
       
   302                                       KAknsIIDQgnGrafLinePrimaryHorizontal,
       
   303                                       fileName,
       
   304                                       EMbmAvkonQgn_graf_line_primary_horizontal,
       
   305                                       EMbmAvkonQgn_graf_line_primary_horizontal_mask);
       
   306 }
       
   307 
       
   308 //  End of File