1 /*

     2 * Copyright (c) 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 the License "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:  

    15 *

    16 */

    17 

    18 

    19 #include "config.h"

    20 

    21 #include "PlatformScrollbar.h"

    22 #include "GraphicsContext.h"

    23 #include "WebCoreGraphicsContext.h"

    24 

    25 #include <e32base.h>

    26 #include <bitstd.h>

    27 

    28 using namespace WebCore;

    29 

    30 int PlatformScrollbar::horizontalScrollbarHeight() { return KScrollbarWidth; }

    31 int PlatformScrollbar::verticalScrollbarWidth() { return KScrollbarWidth; }

    32 

    33 PlatformScrollbar::PlatformScrollbar(ScrollbarClient* client, ScrollbarOrientation orientation, ScrollbarControlSize controlSize) 

    34 : Scrollbar(client, orientation, controlSize), m_rect(0,0,KScrollbarWidth,KScrollbarWidth)

    35 { 

    36 }

    37 

    38 PlatformScrollbar::~PlatformScrollbar() { }

    39 

    40 int PlatformScrollbar::width() const 

    41 { 

    42     return m_rect.width(); 

    43 }

    44 

    45 int PlatformScrollbar::height() const 

    46 { 

    47     return m_rect.height(); 

    48 }

    49 

    50 void PlatformScrollbar::setEnabled(bool b) 

    51 {

    52     m_enabled = b;

    53 }

    54 

    55 void PlatformScrollbar::paint(GraphicsContext* p, const IntRect& damageRect) 

    56 {    

    57     WebCoreGraphicsContext* gc = p->platformContext();

    58     CFbsBitGc* gcContext( &gc->gc() );

    59 

    60     int zoomFactor = gc->view().scalingFactor();

    61     TRect rect = TRect(m_rect.x() * zoomFactor / 100, m_rect.y() * zoomFactor / 100, (m_rect.x() + m_rect.width()) * zoomFactor / 100, (m_rect.y() + m_rect.height()) * zoomFactor / 100);

    62     

    63     gcContext->SetPenStyle( CGraphicsContext::ENullPen );

    64     gcContext->SetBrushStyle( CGraphicsContext::ESolidBrush );

    65 

    66     TRgb bck(150,150,180);

    67     TRgb frg(90,90,150);

    68     // draw background

    69     gcContext->SetBrushColor( bck );

    70     gcContext->DrawRect( rect );

    71 

    72     TInt h = rect.Height();

    73     TInt w = rect.Width();

    74 

    75     TInt kx, ky, kw, kh;

    76     TInt scrollbarWidth = zoomFactor*KScrollbarWidth/100;

    77     

    78     float thumb = (m_visibleSize > m_totalSize) ? 1 : (m_totalSize?(float)m_visibleSize/m_totalSize:1);

    79     float value = (m_totalSize-m_visibleSize)?(float)m_currentPos/(m_totalSize-m_visibleSize):1;

    80     if (m_orientation==HorizontalScrollbar)

    81         {

    82         // compute thumb position and size

    83         kw = w * thumb;

    84         kh = h;

    85         kx = rect.iTl.iX + value*(w-kw);

    86         ky = rect.iTl.iY;

    87         }

    88     else

    89         {

    90         // compute thumb position and size

    91         kw = w;

    92         kh = h * thumb;

    93         kx = rect.iTl.iX;

    94         ky = rect.iTl.iY+ value*(h-kh);

    95         }

    96 

    97     gcContext->SetBrushColor(frg);

    98     TRect r(TPoint(kx,ky),TSize(kw,kh));

    99     gcContext->DrawRect(r);

   100 }

   101 

   102 void PlatformScrollbar::updateThumbPosition() 

   103 {

   104 }

   105 

   106 void PlatformScrollbar::updateThumbProportion() 

   107 {

   108 }

   109 

   110 void PlatformScrollbar::setRect(const IntRect& rect) 

   111 { 

   112     m_rect = rect;

   113 }

   114 

   115 

   116 void PlatformScrollbar::handleMousePressEvent(const PlatformMouseEvent&, const IntPoint& p)

   117 {

   118     clickAtPoint(p, true);

   119 }

   120 

   121 void PlatformScrollbar::clickAtPoint(const IntPoint& point, bool /*down*/)

   122 {

   123 }