Qtopia library API Documentation
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qpestyle.cpp

/**********************************************************************
** Copyright (C) 2000 Trolltech AS.  All rights reserved.
**
** This file is part of Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#include "qpestyle.h"
#include <qpe/qpeapplication.h>
#include <qpushbutton.h>

#include <qpainter.h>

#define QCOORDARRLEN(x) sizeof(x)/(sizeof(QCOORD)*2)

#if QT_VERSION >= 300

#include <qdrawutil.h>
#include <qcombobox.h>
#include <qtabbar.h>

QPEStyle::QPEStyle()
{
}

QPEStyle::~QPEStyle()
{
}

void QPEStyle::drawPrimitive( PrimitiveElement pe, QPainter *p, const QRect &r,
                  const QColorGroup &cg, SFlags flags, const QStyleOption &data) const
{
    switch ( pe ) {
    case PE_ButtonTool:
    {
        QColorGroup mycg = cg;
        if ( flags & Style_On ) {
        QBrush fill( cg.mid(), Dense4Pattern );
        mycg.setBrush( QColorGroup::Button, fill );
        }
        drawPrimitive( PE_ButtonBevel, p, r, mycg, flags, data );
        break;
    }
    case PE_ButtonCommand:
    case PE_ButtonDefault:
    case PE_ButtonBevel:
    case PE_HeaderSection:
    {
        QPen oldPen = p->pen();
        p->fillRect( r.x()+1, r.y()+1, r.width()-2, r.height()-2, cg.brush(QColorGroup::Button) );

        int x2 = r.right();
        int y2 = r.bottom();

        if ( flags & (Style_Sunken | Style_Down | Style_On) )
        p->setPen( cg.dark() );
        else
        p->setPen( cg.light() );
        p->drawLine( r.x(), r.y()+1, r.x(), y2-1 );
        p->drawLine( r.x()+1, r.y(), x2-1, r.y() );

        if ( flags & (Style_Sunken | Style_Down | Style_On) )
        p->setPen( cg.light() );
        else
        p->setPen( cg.dark() );
        p->drawLine( x2, r.y()+1, x2, y2-1 );
        p->drawLine( r.x()+1, y2, x2-1, y2 );
        p->setPen( oldPen );
        break;
    }
    case PE_FocusRect:
    break;
    case PE_Indicator:
    {
        QColorGroup mycg( cg );
        QBrush fill;
        if ( flags & Style_Down )
        fill = cg.brush( QColorGroup::Button );
        else
        fill = cg.brush( (flags&Style_Enabled) ? QColorGroup::Base : QColorGroup::Background );
        mycg.setBrush( QColorGroup::Button, fill );
        if ( flags&Style_Enabled )
        flags |= Style_Sunken;
        drawPrimitive( PE_ButtonBevel, p, r, mycg, flags );
        if ( flags & Style_On ) {
        QPointArray a( 7*2 );
        int i, xx, yy;
        xx = r.x()+3;
        yy = r.y()+5;
        for ( i=0; i<3; i++ ) {
            a.setPoint( 2*i,   xx, yy );
            a.setPoint( 2*i+1, xx, yy+2 );
            xx++; yy++;
        }
        yy -= 2;
        for ( i=3; i<7; i++ ) {
            a.setPoint( 2*i,   xx, yy );
            a.setPoint( 2*i+1, xx, yy+2 );
            xx++; yy--;
        }
        if ( flags & Style_NoChange ) {
            p->setPen( mycg.dark() );
        } else {
            p->setPen( mycg.text() );
        }
        p->drawLineSegments( a );
        }
        break;
    }
    case PE_ExclusiveIndicator:
    {
        static const QCOORD pts1[] = {              // dark lines
        1,9, 1,8, 0,7, 0,4, 1,3, 1,2, 2,1, 3,1, 4,0, 7,0, 8,1, 9,1 };
        static const QCOORD pts4[] = {              // white lines
        2,10, 3,10, 4,11, 7,11, 8,10, 9,10, 10,9, 10,8, 11,7,
        11,4, 10,3, 10,2 };
        static const QCOORD pts5[] = {              // inner fill
        4,2, 7,2, 9,4, 9,7, 7,9, 4,9, 2,7, 2,4 };

        int x, y, w, h;
        r.rect( &x, &y, &w, &h );
        p->eraseRect( x, y, w, h );
        QPointArray a( QCOORDARRLEN(pts1), pts1 );
        a.translate( x, y );
        p->setPen( cg.dark() );
        p->drawPolyline( a );
        a.setPoints( QCOORDARRLEN(pts4), pts4 );
        a.translate( x, y );
        p->setPen( cg.light() );
        p->drawPolyline( a );
        a.setPoints( QCOORDARRLEN(pts5), pts5 );
        a.translate( x, y );
        QColor fillColor = ( flags&Style_Down || !(flags&Style_Enabled) ) ? cg.button() : cg.base();
        p->setPen( fillColor );
        p->setBrush( fillColor  ) ;
        p->drawPolygon( a );
        if ( flags&Style_On ) {
        p->setPen( NoPen );
        p->setBrush( cg.text() );
        p->drawRect( x+5, y+4, 2, 4 );
        p->drawRect( x+4, y+5, 4, 2 );
        }
        break;
    }
    default:
    QWindowsStyle::drawPrimitive( pe, p, r, cg, flags, data );
    break;
    }
}

void QPEStyle::drawControl( ControlElement ce, QPainter *p,
                const QWidget *widget, const QRect &r,
                const QColorGroup &cg, SFlags how, const QStyleOption &data) const
{
    switch ( ce ) {
    case CE_PushButton:
    {
        const QPushButton *btn = (QPushButton*)widget;
        SFlags flags;
        flags = Style_Default;
        if ( btn->isDown() )
        flags |= Style_Down;
        if ( btn->isOn() )
        flags |= Style_On;
        if ( btn->isEnabled() )
        flags |= Style_Enabled;
        if ( btn->isDefault() )
        flags |= Style_Default;
        if (! btn->isFlat() && !(flags & Style_Down))
        flags |= Style_Raised;
        p->setPen( cg.foreground() );
        p->setBrush( QBrush(cg.button(), NoBrush) );
        QColorGroup mycg( cg );
        if ( flags & Style_On ) {
        QBrush fill = QBrush( cg.mid(), Dense4Pattern );
        mycg.setBrush( QColorGroup::Button, fill );
        }
        drawPrimitive( PE_ButtonBevel, p, r, mycg, flags, data );
        break;
    }
    case CE_TabBarTab:
    {
        if ( !widget || !widget->parentWidget() )
        break;

        const QTabBar *tb = (const QTabBar *) widget;
        bool selected = how & Style_Selected;

        QRect r2(r);
        if ( tb->shape()  == QTabBar::RoundedAbove ) {
        p->setPen( cg.light() );
        p->drawLine( r2.left(), r2.bottom(), r2.right(), r2.bottom() );
        if ( r2.left() == 0 )
            p->drawPoint( tb->rect().bottomLeft() );
        else {
            p->setPen( cg.light() );
            p->drawLine( r2.left(), r2.bottom(), r2.right(), r2.bottom() );
        }

        if ( selected ) {
            p->setPen( cg.background() );
            p->drawLine( r2.left()+2, r2.top()+1, r2.right()-2, r2.top()+1 );
            p->fillRect( QRect( r2.left()+1, r2.top()+2, r2.width()-2, r2.height()-2),
                cg.brush( QColorGroup::Background ));
        } else {
            r2.setRect( r2.left() + 2, r2.top() + 2,
                r2.width() - 4, r2.height() - 2 );
            p->setPen( cg.button() );
            p->drawLine( r2.left()+2, r2.top()+1, r2.right()-2, r2.top()+1 );
            p->fillRect( QRect( r2.left()+1, r2.top()+2, r2.width()-2, r2.height()-3),
                cg.brush( QColorGroup::Button ));

            //do shading; will not work for pixmap brushes
            QColor bg = cg.button();
            //      int h,s,v;
            //      bg.hsv( &h, &s, &v );
            int n = r2.height()/2;
            int dark = 100;
            for ( int i = 1; i < n; i++ ) {
            dark = (dark * (100+(i*15)/n) )/100;
            p->setPen( bg.dark( dark ) );
            int y = r2.bottom()-n+i;
            int x1 = r2.left()+1;
            int x2 = r2.right()-1;
            p->drawLine( x1, y, x2, y );
            }
        }

        p->setPen( cg.light() );
        p->drawLine( r2.left(), r2.bottom()-1, r2.left(), r2.top() + 2 );
        p->drawPoint( r2.left()+1, r2.top() + 1 );
        p->drawLine( r2.left()+2, r2.top(),
            r2.right() - 2, r2.top() );

        p->setPen( cg.dark() );
        p->drawPoint( r2.right() - 1, r2.top() + 1 );
        p->drawLine( r2.right(), r2.top() + 2, r2.right(), r2.bottom() - 1);
        } else if ( tb->shape() == QTabBar::RoundedBelow ) {
        if ( selected ) {
            p->setPen( cg.background() );
            p->drawLine( r2.left()+2, r2.bottom()-1, r2.right()-2, r2.bottom()-1 );
            p->fillRect( QRect( r2.left()+1, r2.top(), r2.width()-2, r2.height()-2),
                tb->palette().normal().brush( QColorGroup::Background ));
        } else {
            p->setPen( cg.dark() );
            p->drawLine( r2.left(), r2.top(),
                r2.right(), r2.top() );
            r2.setRect( r2.left() + 2, r2.top(),
                r2.width() - 4, r2.height() - 2 );
            p->setPen( cg.button() );
            p->drawLine( r2.left()+2, r2.bottom()-1, r2.right()-2, r2.bottom()-1 );
            p->fillRect( QRect( r2.left()+1, r2.top()+1, r2.width()-2, r2.height()-3),
                tb->palette().normal().brush( QColorGroup::Button ));
        }

        p->setPen( cg.dark() );
        p->drawLine( r2.right(), r2.top(),
            r2.right(), r2.bottom() - 2 );
        p->drawPoint( r2.right() - 1, r2.bottom() - 1 );
        p->drawLine( r2.right() - 2, r2.bottom(),
            r2.left() + 2, r2.bottom() );

        p->setPen( cg.light() );
        p->drawLine( r2.left(), r2.top()+1,
            r2.left(), r2.bottom() - 2 );
        p->drawPoint( r2.left() + 1, r2.bottom() - 1 );
        if ( r2.left() == 0 )
            p->drawPoint( tb->rect().topLeft() );

        } else {
        QCommonStyle::drawControl( ce, p, widget, r, cg, how, data );
        }
        break;
    }
    default:
    QWindowsStyle::drawControl( ce, p, widget, r, cg, how, data );
    break;
    }
}

void QPEStyle::drawComplexControl( ComplexControl control, QPainter *p,
                   const QWidget *widget, const QRect &r,
                   const QColorGroup &cg, SFlags how,
                   SCFlags sub, SCFlags subActive, const QStyleOption &data) const
{
    switch ( control ) {
    case CC_ComboBox:
    if ( sub & SC_ComboBoxArrow ) {
        SFlags flags = Style_Default;

        drawPrimitive( PE_ButtonBevel, p, r, cg, flags, data );

        QRect ar =
        QStyle::visualRect( querySubControlMetrics( CC_ComboBox, widget,
                                SC_ComboBoxArrow ), widget );

        if ( subActive == SC_ComboBoxArrow ) {
        p->setPen( cg.dark() );
        p->setBrush( cg.brush( QColorGroup::Button ) );
        p->drawRect( ar );
        }

        ar.addCoords( 2, 2, -2, -2 );
        if ( widget->isEnabled() )
        flags |= Style_Enabled;

        if ( subActive & Style_Sunken ) {
        flags |= Style_Sunken;
        }
        drawPrimitive( PE_ArrowDown, p, ar, cg, flags );
    }

    if ( sub & SC_ComboBoxEditField ) {
        const QComboBox * cb = (const QComboBox *) widget;
        QRect re =
        QStyle::visualRect( querySubControlMetrics( CC_ComboBox, widget,
                                SC_ComboBoxEditField ), widget );
        if ( cb->hasFocus() && !cb->editable() )
        p->fillRect( re.x(), re.y(), re.width(), re.height(),
                 cg.brush( QColorGroup::Highlight ) );

        if ( cb->hasFocus() ) {
        p->setPen( cg.highlightedText() );
        p->setBackgroundColor( cg.highlight() );

        } else {
        p->setPen( cg.text() );
        p->setBackgroundColor( cg.background() );
        }

        if ( cb->hasFocus() && !cb->editable() ) {
        QRect re =
            QStyle::visualRect( subRect( SR_ComboBoxFocusRect, cb ), widget );
        drawPrimitive( PE_FocusRect, p, re, cg, Style_FocusAtBorder, QStyleOption(cg.highlight()));
        }
    }
    break;
    default:
    QWindowsStyle::drawComplexControl( control, p, widget, r, cg, how,
                       sub, subActive, data );
    break;
    }
}

int QPEStyle::pixelMetric( PixelMetric metric, const QWidget *widget ) const
{
    int ret;
    switch( metric ) {
    case PM_ButtonMargin:
        ret = 2;
        break;
    case PM_DefaultFrameWidth:
        ret = 1;
        break;
    case PM_ButtonDefaultIndicator:
        ret = 2;
        break;
    case PM_ButtonShiftHorizontal:
    case PM_ButtonShiftVertical:
        ret = -1;
        break;
    case PM_IndicatorWidth:
        ret = 15;
        break;
    case PM_IndicatorHeight:
        ret = 13;
        break;
    case PM_ExclusiveIndicatorHeight:
    case PM_ExclusiveIndicatorWidth:
        ret = 15;
        break;
    case PM_ScrollBarExtent:
        ret = 13;
        break;
    case PM_SliderLength:
        ret = 12;
        break;
    default:
        ret = QWindowsStyle::pixelMetric( metric, widget );
        break;
    }
    return ret;
}

QSize QPEStyle::sizeFromContents( ContentsType contents, const QWidget *widget,
                const QSize &contentsSize, const QStyleOption &data) const
{
    QSize sz(contentsSize);

    switch ( contents ) {
    case CT_PopupMenuItem:
    {
        if ( !widget || data.isDefault() )
        break;
        sz = QWindowsStyle::sizeFromContents( contents, widget, contentsSize, data );
        sz = QSize( sz.width(), sz.height()-2 );
        break;
    }
    default:
    sz = QWindowsStyle::sizeFromContents( contents, widget, contentsSize, data );
    break;
    }

    return sz;
}

#else

#include <qfontmetrics.h>
#include <qpalette.h>
#include <qdrawutil.h>
#include <qscrollbar.h>
#include <qbutton.h>
#include <qframe.h>
#include <qtabbar.h>

#define INCLUDE_MENUITEM_DEF
#include <qmenudata.h>

QPEStyle::QPEStyle()
{
#if QT_VERSION < 300
    setButtonMargin(buttonMargin());
    setScrollBarExtent(scrollBarExtent().width(),scrollBarExtent().height());
#endif
}

QPEStyle::~QPEStyle()
{
}

int QPEStyle::buttonMargin() const
{
    return 2;
}

QSize QPEStyle::scrollBarExtent() const
{
    return QSize(13,13);
}

void QPEStyle::polish ( QPalette & )
{
}

void QPEStyle::polish( QWidget *w )
{
    if ( w->inherits( "QListBox" ) ||
     w->inherits( "QListView" ) ||
     w->inherits( "QPopupMenu" ) ||
     w->inherits( "QSpinBox" ) ) {
    QFrame *f = (QFrame *)w;
    f->setFrameShape( QFrame::StyledPanel );
    f->setLineWidth( 1 );
    }
}

void QPEStyle::unPolish( QWidget *w )
{
    if ( w->inherits( "QListBox" ) ||
     w->inherits( "QListView" ) ||
     w->inherits( "QPopupMenu" ) ||
     w->inherits( "QSpinBox" ) ) {
    QFrame *f = (QFrame *)w;
    f->setFrameShape( QFrame::StyledPanel );
    f->setLineWidth( 2 );
    }
}

int QPEStyle::defaultFrameWidth() const
{
    return 1;
}

void QPEStyle::drawPanel ( QPainter * p, int x, int y, int w, int h,
                const QColorGroup &g, bool sunken, int lineWidth, const QBrush * fill )
{
    qDrawShadePanel( p, QRect(x, y, w, h), g, sunken, lineWidth, fill );
}

void QPEStyle::drawButton( QPainter *p, int x, int y, int w, int h,
                                const QColorGroup &g, bool sunken, const QBrush* fill )
{
    QPen oldPen = p->pen();
    if ( sunken )
    p->setPen( g.dark() );
    else
    p->setPen( g.light() );

    int x2 = x+w-1;
    int y2 = y+h-1;

    p->drawLine( x, y, x, y2 );
    p->drawLine( x, y, x2, y );

    if ( sunken )
    p->setPen( g.light() );
    else
    p->setPen( g.dark() );

    p->drawLine( x2, y, x2, y2 );
    p->drawLine( x, y2, x2, y2 );
    p->setPen( oldPen );

    p->fillRect( x+1, y+1, w-2, h-2, fill?(*fill):g.brush(QColorGroup::Button) );
}

void QPEStyle::drawButtonMask ( QPainter * p, int x, int y, int w, int h )
{
    p->fillRect( x, y, w, h, color1 );
}

void QPEStyle::drawBevelButton( QPainter *p, int x, int y, int w, int h,
                                const QColorGroup &g, bool sunken, const QBrush* fill )
{
    drawButton( p, x, y, w, h, g, sunken, fill );
}

QRect QPEStyle::comboButtonRect( int x, int y, int w, int h)
{
    return QRect(x+1, y+1, w-2-14, h-2);
}


QRect QPEStyle::comboButtonFocusRect( int x, int y, int w, int h)
{
    return QRect(x+2, y+2, w-4-14, h-4);
}

void QPEStyle::drawComboButton( QPainter *p, int x, int y, int w, int h,
                     const QColorGroup &g, bool sunken,
                     bool /*editable*/,
                     bool enabled,
                     const QBrush *fill )
{
    drawBevelButton( p, x, y, w, h, g, FALSE, fill );
    drawBevelButton( p, x+w-14, y, 14, h, g, sunken, fill );
    drawArrow( p, QStyle::DownArrow, sunken,
           x+w-14+ 2, y+ 2, 14- 4, h- 4, g, enabled,
           &g.brush( QColorGroup::Button ) );

}


void QPEStyle::drawExclusiveIndicator ( QPainter * p, int x, int y, int w,
    int h, const QColorGroup & g, bool on, bool down, bool enabled )
{
    static const QCOORD pts1[] = {              // dark lines
        1,9, 1,8, 0,7, 0,4, 1,3, 1,2, 2,1, 3,1, 4,0, 7,0, 8,1, 9,1 };
    static const QCOORD pts4[] = {              // white lines
    2,10, 3,10, 4,11, 7,11, 8,10, 9,10, 10,9, 10,8, 11,7,
    11,4, 10,3, 10,2 };
    static const QCOORD pts5[] = {              // inner fill
    4,2, 7,2, 9,4, 9,7, 7,9, 4,9, 2,7, 2,4 };

    p->eraseRect( x, y, w, h );
    QPointArray a( QCOORDARRLEN(pts1), pts1 );
    a.translate( x, y );
    p->setPen( g.dark() );
    p->drawPolyline( a );
    a.setPoints( QCOORDARRLEN(pts4), pts4 );
    a.translate( x, y );
    p->setPen( g.light() );
    p->drawPolyline( a );
    a.setPoints( QCOORDARRLEN(pts5), pts5 );
    a.translate( x, y );
    QColor fillColor = ( down || !enabled ) ? g.button() : g.base();
    p->setPen( fillColor );
    p->setBrush( fillColor  ) ;
    p->drawPolygon( a );
    if ( on ) {
    p->setPen( NoPen );
    p->setBrush( g.text() );
    p->drawRect( x+5, y+4, 2, 4 );
    p->drawRect( x+4, y+5, 4, 2 );
    }
}

void QPEStyle::drawIndicator ( QPainter * p, int x, int y, int w, int h,
    const QColorGroup & g, int state, bool down, bool enabled )
{

    QBrush fill;
    if ( state == QButton::NoChange ) {
    QBrush b = p->brush();
    QColor c = p->backgroundColor();
    p->setBackgroundMode( TransparentMode );
    p->setBackgroundColor( green );
    fill = QBrush(g.base(), Dense4Pattern);
    p->setBackgroundColor( c );
    p->setBrush( b );
    } else if ( down )
    fill = g.brush( QColorGroup::Button );
    else
    fill = g.brush( enabled ? QColorGroup::Base : QColorGroup::Background );
    drawPanel( p, x, y, w, h, g, TRUE, 1, &fill );
    if ( state != QButton::Off ) {
    QPointArray a( 7*2 );
    int i, xx, yy;
    xx = x+3;
    yy = y+5;
    for ( i=0; i<3; i++ ) {
        a.setPoint( 2*i,   xx, yy );
        a.setPoint( 2*i+1, xx, yy+2 );
        xx++; yy++;
    }
    yy -= 2;
    for ( i=3; i<7; i++ ) {
        a.setPoint( 2*i,   xx, yy );
        a.setPoint( 2*i+1, xx, yy+2 );
        xx++; yy--;
    }
    if ( state == QButton::NoChange ) {
        p->setPen( g.dark() );
    } else {
        p->setPen( g.text() );
    }
    p->drawLineSegments( a );
    }
}

#define HORIZONTAL  (sb->orientation() == QScrollBar::Horizontal)
#define VERTICAL    !HORIZONTAL
#define MOTIF_BORDER    2
#define SLIDER_MIN  9 // ### motif says 6 but that's too small

void QPEStyle::scrollBarMetrics( const QScrollBar* sb, int &sliderMin, int &sliderMax, int &sliderLength, int& buttonDim )
{
    int maxLength;
    int length = HORIZONTAL ? sb->width()  : sb->height();
    int extent = HORIZONTAL ? sb->height() : sb->width();

    if ( length > (extent - 1)*2 )
    buttonDim = extent;
    else
    buttonDim = length/2 - 1;

    sliderMin = 0;
    maxLength  = length - buttonDim*2;

     if ( sb->maxValue() == sb->minValue() ) {
    sliderLength = maxLength;
     } else {
    sliderLength = (sb->pageStep()*maxLength)/
            (sb->maxValue()-sb->minValue()+sb->pageStep());
    uint range = sb->maxValue()-sb->minValue();
    if ( sliderLength < SLIDER_MIN || range > INT_MAX/2 )
        sliderLength = SLIDER_MIN;
    if ( sliderLength > maxLength )
        sliderLength = maxLength;
     }

    sliderMax = sliderMin + maxLength - sliderLength;
}

QStyle::ScrollControl QPEStyle::scrollBarPointOver( const QScrollBar* sb, int sliderStart, const QPoint& p )
{
    if ( !sb->rect().contains( p ) )
    return NoScroll;
    int sliderMin, sliderMax, sliderLength, buttonDim, pos;
    scrollBarMetrics( sb, sliderMin, sliderMax, sliderLength, buttonDim );

    if (sb->orientation() == QScrollBar::Horizontal)
    pos = p.x();
    else
    pos = p.y();

    if (pos < sliderStart)
    return SubPage;
    if (pos < sliderStart + sliderLength)
    return Slider;
    if (pos < sliderMax + sliderLength)
    return AddPage;
    if (pos < sliderMax + sliderLength + buttonDim)
    return SubLine;
    return AddLine;
}

void QPEStyle::drawScrollBarControls( QPainter* p, const QScrollBar* sb, int sliderStart, uint controls, uint activeControl )
{
#define ADD_LINE_ACTIVE ( activeControl == AddLine )
#define SUB_LINE_ACTIVE ( activeControl == SubLine )
    QColorGroup g  = sb->colorGroup();

    int sliderMin, sliderMax, sliderLength, buttonDim;
    scrollBarMetrics( sb, sliderMin, sliderMax, sliderLength, buttonDim );

    if ( controls == (AddLine | SubLine | AddPage | SubPage | Slider | First | Last ) )
    p->fillRect( 0, 0, sb->width(), sb->height(), g.brush( QColorGroup::Mid ));

    if (sliderStart > sliderMax) { // sanity check
    sliderStart = sliderMax;
    }

    int dimB = buttonDim;
    QRect addB;
    QRect subB;
    QRect addPageR;
    QRect subPageR;
    QRect sliderR;
    int addX, addY, subX, subY;
    int length = HORIZONTAL ? sb->width()  : sb->height();
    int extent = HORIZONTAL ? sb->height() : sb->width();

    if ( HORIZONTAL ) {
    subY = addY = ( extent - dimB ) / 2;
    subX = length - dimB - dimB;
    addX = length - dimB;
    } else {
    subX = addX = ( extent - dimB ) / 2;
    subY = length - dimB - dimB;
    addY = length - dimB;
    }

    int sliderEnd = sliderStart + sliderLength;
    int sliderW = extent;
    if ( HORIZONTAL ) {
    subB.setRect( subX,subY+1,dimB,dimB-1 );
    addB.setRect( addX,addY+1,dimB,dimB-1 );

    subPageR.setRect( 0, 0,
              sliderStart+1, sliderW );
    addPageR.setRect( sliderEnd-1, 0, subX - sliderEnd+1, sliderW );
    sliderR .setRect( sliderStart, 1, sliderLength, sliderW-1 );

    } else {
    subB.setRect( subX+1,subY,dimB-1,dimB );
    addB.setRect( addX+1,addY,dimB-1,dimB );

    subPageR.setRect( 0, 0, sliderW,
              sliderStart+1 );
    addPageR.setRect( 0, sliderEnd-1, sliderW, subY - sliderEnd+1 );
    sliderR .setRect( 1, sliderStart, sliderW-1, sliderLength );
    }

    bool maxedOut = (sb->maxValue() == sb->minValue());
    if ( controls & AddLine ) {
    drawBevelButton( p, addB.x(), addB.y(),
             addB.width(), addB.height(), g,
             ADD_LINE_ACTIVE);
    p->setPen(g.shadow());
    drawArrow( p, VERTICAL ? DownArrow : RightArrow,
           FALSE, addB.x()+2, addB.y()+2,
           addB.width()-4, addB.height()-4, g, !maxedOut,
                     &g.brush( QColorGroup::Button ));
    }
    if ( controls & SubLine ) {
    drawBevelButton( p, subB.x(), subB.y(),
             subB.width(), subB.height(), g,
             SUB_LINE_ACTIVE );
    p->setPen(g.shadow());
    drawArrow( p, VERTICAL ? UpArrow : LeftArrow,
            FALSE, subB.x()+2, subB.y()+2,
           subB.width()-4, subB.height()-4, g, !maxedOut,
                     &g.brush( QColorGroup::Button ));
    }


    if ( controls & SubPage )
    p->fillRect( subPageR.x(), subPageR.y(), subPageR.width(),
            subPageR.height(), g.brush( QColorGroup::Mid ));
    if ( controls & AddPage )
    p->fillRect( addPageR.x(), addPageR.y(), addPageR.width(),
             addPageR.height(), g.brush( QColorGroup::Mid ));
    if ( controls & Slider ) {
    QPoint bo = p->brushOrigin();
    p->setBrushOrigin(sliderR.topLeft());
    drawBevelButton( p, sliderR.x(), sliderR.y(),
             sliderR.width(), sliderR.height(), g,
             FALSE, &g.brush( QColorGroup::Button ) );
    p->setBrushOrigin(bo);
    drawRiffles( p, sliderR.x(), sliderR.y(),
             sliderR.width(), sliderR.height(), g, HORIZONTAL );
    }

    // ### perhaps this should not be able to accept focus if maxedOut?
    if ( sb->hasFocus() && (controls & Slider) )
    p->drawWinFocusRect( sliderR.x()+2, sliderR.y()+2,
                 sliderR.width()-5, sliderR.height()-5,
                 sb->backgroundColor() );

}

void QPEStyle::drawRiffles( QPainter* p,  int x, int y, int w, int h,
                      const QColorGroup &g, bool horizontal )
{
    if (!horizontal) {
    if (h > 20) {
        y += (h-20)/2 ;
        h = 20;
    }
    if (h > 12) {
        int n = 3;
        int my = y+h/2-4;
        int i ;
        p->setPen(g.light());
        for (i=0; i<n; i++) {
        p->drawLine(x+2, my+3*i, x+w-4, my+3*i);
        }
        p->setPen(g.dark());
        my++;
        for (i=0; i<n; i++) {
        p->drawLine(x+2, my+3*i, x+w-4, my+3*i);
        }
    }
    }
    else {
    if (w > 20) {
        x += (w-20)/2 ;
        w = 20;
    }
    if (w > 12) {
        int n = 3;
        int mx = x+w/2-4;
        int i ;
        p->setPen(g.light());
        for (i=0; i<n; i++) {
        p->drawLine(mx+3*i, y+2, mx + 3*i, y+h-4);
        }
        p->setPen(g.dark());
        mx++;
        for (i=0; i<n; i++) {
        p->drawLine(mx+3*i, y+2, mx + 3*i, y+h-4);
        }
    }
    }
}

int QPEStyle::sliderLength() const
{
    return 12;
}

void QPEStyle::drawSlider( QPainter *p, int x, int y, int w, int h,
    const QColorGroup &g, Orientation o, bool tickAbove, bool tickBelow )
{
    int a = tickAbove ? 3 : 0;
    int b = tickBelow ? 3 : 0;

    if ( o == Horizontal ) {
    drawBevelButton( p, x, y+a, w, h-a-b, g, FALSE, &g.brush( QColorGroup::Button ) );
    int xp = x + w/2;
    qDrawShadeLine( p, xp, y+a+2, xp, y+h-b-3, g );
    } else {
    drawBevelButton( p, x+a, y, w-a-b, h, g, FALSE, &g.brush( QColorGroup::Button ) );
    int yp = y + h/2;
    qDrawShadeLine( p, x+a+2, yp, x+w-b-3, yp, g );
    }
}

void QPEStyle::drawSliderMask ( QPainter * p, int x, int y, int w, int h,
    Orientation o, bool tickAbove, bool tickBelow )
{
    int a = tickAbove ? 3 : 0;
    int b = tickBelow ? 3 : 0;
    if ( o == Horizontal )
    p->fillRect( x, y+a, w, h-a-b, color1 );
    else
    p->fillRect( x+a, y, w-a-b, h, color1 );
}

void QPEStyle::drawSliderGrooveMask( QPainter *p,
                    int x, int y, int w, int h,
                    const QColorGroup& , QCOORD c,
                    Orientation orient )
{
    if ( orient == Horizontal )
    p->fillRect( x, y + c - 2,  w, 4, color1 );
    else
    p->fillRect( x + c - 2, y, 4, h, color1 );
}

void QPEStyle::drawTab( QPainter *p, const QTabBar *tb, QTab *t, bool selected )
{
    QRect r( t->rect() );
    if ( tb->shape()  == QTabBar::RoundedAbove ) {
    p->setPen( tb->colorGroup().light() );
    p->drawLine( r.left(), r.bottom(), r.right(), r.bottom() );
    if ( r.left() == 0 )
        p->drawPoint( tb->rect().bottomLeft() );
    else {
        p->setPen( tb->colorGroup().light() );
        p->drawLine( r.left(), r.bottom(), r.right(), r.bottom() );
    }

    if ( selected ) {
        p->setPen( tb->colorGroup().background() );
        p->drawLine( r.left()+2, r.top()+1, r.right()-2, r.top()+1 );
        p->fillRect( QRect( r.left()+1, r.top()+2, r.width()-2, r.height()-2),
             tb->colorGroup().brush( QColorGroup::Background ));
    } else {
        r.setRect( r.left() + 2, r.top() + 2,
               r.width() - 4, r.height() - 2 );
        p->setPen( tb->colorGroup().button() );
        p->drawLine( r.left()+2, r.top()+1, r.right()-2, r.top()+1 );
        p->fillRect( QRect( r.left()+1, r.top()+2, r.width()-2, r.height()-3),
             tb->colorGroup().brush( QColorGroup::Button ));

        //do shading; will not work for pixmap brushes
        QColor bg = tb->colorGroup().button();
        //      int h,s,v;
        //      bg.hsv( &h, &s, &v );
        int n = r.height()/2;
        int dark = 100;
        for ( int i = 1; i < n; i++ ) {
        dark = (dark * (100+(i*15)/n) )/100;
        p->setPen( bg.dark( dark ) );
        int y = r.bottom()-n+i;
        int x1 = r.left()+1;
        int x2 = r.right()-1;
        p->drawLine( x1, y, x2, y );
        }
    }

    p->setPen( tb->colorGroup().light() );
    p->drawLine( r.left(), r.bottom()-1, r.left(), r.top() + 2 );
    p->drawPoint( r.left()+1, r.top() + 1 );
    p->drawLine( r.left()+2, r.top(),
             r.right() - 2, r.top() );

    p->setPen( tb->colorGroup().dark() );
    p->drawPoint( r.right() - 1, r.top() + 1 );
    p->drawLine( r.right(), r.top() + 2, r.right(), r.bottom() - 1);
    } else if ( tb->shape() == QTabBar::RoundedBelow ) {
    if ( selected ) {
        p->setPen( tb->colorGroup().background() );
        p->drawLine( r.left()+2, r.bottom()-1, r.right()-2, r.bottom()-1 );
        p->fillRect( QRect( r.left()+1, r.top(), r.width()-2, r.height()-2),
             tb->palette().normal().brush( QColorGroup::Background ));
    } else {
        p->setPen( tb->colorGroup().dark() );
        p->drawLine( r.left(), r.top(),
             r.right(), r.top() );
        r.setRect( r.left() + 2, r.top(),
               r.width() - 4, r.height() - 2 );
        p->setPen( tb->colorGroup().button() );
        p->drawLine( r.left()+2, r.bottom()-1, r.right()-2, r.bottom()-1 );
        p->fillRect( QRect( r.left()+1, r.top()+1, r.width()-2, r.height()-3),
             tb->palette().normal().brush( QColorGroup::Button ));
    }

    p->setPen( tb->colorGroup().dark() );
    p->drawLine( r.right(), r.top(),
             r.right(), r.bottom() - 2 );
    p->drawPoint( r.right() - 1, r.bottom() - 1 );
    p->drawLine( r.right() - 2, r.bottom(),
             r.left() + 2, r.bottom() );

    p->setPen( tb->colorGroup().light() );
    p->drawLine( r.left(), r.top()+1,
             r.left(), r.bottom() - 2 );
    p->drawPoint( r.left() + 1, r.bottom() - 1 );
    if ( r.left() == 0 )
        p->drawPoint( tb->rect().topLeft() );

    } else {
    QCommonStyle::drawTab( p, tb, t, selected );
    }
}

static const int motifItemFrame     = 0;    // menu item frame width
static const int motifSepHeight     = 2;    // separator item height
static const int motifItemHMargin   = 1;    // menu item hor text margin
static const int motifItemVMargin   = 2;    // menu item ver text margin
static const int motifArrowHMargin  = 0;    // arrow horizontal margin
static const int motifTabSpacing    = 12;   // space between text and tab
static const int motifCheckMarkHMargin  = 1;    // horiz. margins of check mark
static const int windowsRightBorder = 8;    // right border on windows
static const int windowsCheckMarkWidth  = 2;    // checkmarks width on windows

int QPEStyle::extraPopupMenuItemWidth( bool checkable, int maxpmw, QMenuItem* mi, const QFontMetrics& /*fm*/ )
{
#ifndef QT_NO_MENUDATA
    int w = 2*motifItemHMargin + 2*motifItemFrame; // a little bit of border can never harm

    if ( mi->isSeparator() )
    return 10; // arbitrary
    else if ( mi->pixmap() )
    w += mi->pixmap()->width(); // pixmap only

    if ( !mi->text().isNull() ) {
    if ( mi->text().find('\t') >= 0 )   // string contains tab
        w += motifTabSpacing;
    }

    if ( maxpmw ) { // we have iconsets
    w += maxpmw;
    w += 6; // add a little extra border around the iconset
    }

    if ( checkable && maxpmw < windowsCheckMarkWidth ) {
    w += windowsCheckMarkWidth - maxpmw; // space for the checkmarks
    }

    if ( maxpmw > 0 || checkable ) // we have a check-column ( iconsets or checkmarks)
    w += motifCheckMarkHMargin; // add space to separate the columns

    w += windowsRightBorder; // windows has a strange wide border on the right side

    return w;
#endif
}

int QPEStyle::popupMenuItemHeight( bool /*checkable*/, QMenuItem* mi, const QFontMetrics& fm )
{
#ifndef QT_NO_MENUDATA
    int h = 0;
    if ( mi->isSeparator() )            // separator height
    h = motifSepHeight;
    else if ( mi->pixmap() )        // pixmap height
    h = mi->pixmap()->height() + 2*motifItemFrame;
    else                    // text height
    h = fm.height() + 2*motifItemVMargin + 2*motifItemFrame - 1;

    if ( !mi->isSeparator() && mi->iconSet() != 0 ) {
    h = QMAX( h, mi->iconSet()->pixmap( QIconSet::Small, QIconSet::Normal ).height() + 2*motifItemFrame );
    }
    if ( mi->custom() )
    h = QMAX( h, mi->custom()->sizeHint().height() + 2*motifItemVMargin + 2*motifItemFrame ) - 1;
    return h;
#endif
}

void QPEStyle::drawPopupMenuItem( QPainter* p, bool checkable, int maxpmw, int tab, QMenuItem* mi,
                       const QPalette& pal,
                       bool act, bool enabled, int x, int y, int w, int h)
{
#ifndef QT_NO_MENUDATA
    const QColorGroup & g = pal.active();
    bool dis      = !enabled;
    QColorGroup itemg = dis ? pal.disabled() : pal.active();

    if ( checkable )
    maxpmw = QMAX( maxpmw, 8 ); // space for the checkmarks

    int checkcol      =     maxpmw;

    if ( mi && mi->isSeparator() ) {            // draw separator
    p->setPen( g.dark() );
    p->drawLine( x, y, x+w, y );
    p->setPen( g.light() );
    p->drawLine( x, y+1, x+w, y+1 );
    return;
    }

    QBrush fill = act? g.brush( QColorGroup::Highlight ) :
                g.brush( QColorGroup::Button );
    p->fillRect( x, y, w, h, fill);

    if ( !mi )
    return;

    if ( mi->isChecked() ) {
    if ( act && !dis ) {
        qDrawShadePanel( p, x, y, checkcol, h,
                 g, TRUE, 1, &g.brush( QColorGroup::Button ) );
    } else {
        qDrawShadePanel( p, x, y, checkcol, h,
                 g, TRUE, 1, &g.brush( QColorGroup::Midlight ) );
    }
    } else if ( !act ) {
    p->fillRect(x, y, checkcol , h,
            g.brush( QColorGroup::Button ));
    }

    if ( mi->iconSet() ) {      // draw iconset
    QIconSet::Mode mode = dis ? QIconSet::Disabled : QIconSet::Normal;
    if (act && !dis )
        mode = QIconSet::Active;
    QPixmap pixmap = mi->iconSet()->pixmap( QIconSet::Small, mode );
    int pixw = pixmap.width();
    int pixh = pixmap.height();
    if ( act && !dis ) {
        if ( !mi->isChecked() )
        qDrawShadePanel( p, x, y, checkcol, h, g, FALSE,  1, &g.brush( QColorGroup::Button ) );
    }
    QRect cr( x, y, checkcol, h );
    QRect pmr( 0, 0, pixw, pixh );
    pmr.moveCenter( cr.center() );
    p->setPen( itemg.text() );
    p->drawPixmap( pmr.topLeft(), pixmap );

    QBrush fill = act? g.brush( QColorGroup::Highlight ) :
                  g.brush( QColorGroup::Button );
    p->fillRect( x+checkcol + 1, y, w - checkcol - 1, h, fill);
    } else  if ( checkable ) {  // just "checking"...
    int mw = checkcol + motifItemFrame;
    int mh = h - 2*motifItemFrame;
    if ( mi->isChecked() ) {
        drawCheckMark( p, x + motifItemFrame + 2,
               y+motifItemFrame, mw, mh, itemg, act, dis );
    }
    }

    p->setPen( act ? g.highlightedText() : g.buttonText() );

    QColor discol;
    if ( dis ) {
    discol = itemg.text();
    p->setPen( discol );
    }

    int xm = motifItemFrame + checkcol + motifItemHMargin;

    if ( mi->custom() ) {
    int m = motifItemVMargin;
    p->save();
    if ( dis && !act ) {
        p->setPen( g.light() );
        mi->custom()->paint( p, itemg, act, enabled,
                 x+xm+1, y+m+1, w-xm-tab+1, h-2*m );
        p->setPen( discol );
    }
    mi->custom()->paint( p, itemg, act, enabled,
                 x+xm, y+m, w-xm-tab+1, h-2*m );
    p->restore();
    }
    QString s = mi->text();
    if ( !s.isNull() ) {            // draw text
    int t = s.find( '\t' );
    int m = motifItemVMargin;
    const int text_flags = AlignVCenter|ShowPrefix | DontClip | SingleLine;
    if ( t >= 0 ) {             // draw tab text
        if ( dis && !act ) {
        p->setPen( g.light() );
        p->drawText( x+w-tab-windowsRightBorder-motifItemHMargin-motifItemFrame+1,
                 y+m+1, tab, h-2*m, text_flags, s.mid( t+1 ));
        p->setPen( discol );
        }
        p->drawText( x+w-tab-windowsRightBorder-motifItemHMargin-motifItemFrame,
             y+m, tab, h-2*m, text_flags, s.mid( t+1 ) );
    }
    if ( dis && !act ) {
        p->setPen( g.light() );
        p->drawText( x+xm+1, y+m+1, w-xm+1, h-2*m, text_flags, s, t );
        p->setPen( discol );
    }
    p->drawText( x+xm, y+m, w-xm-tab+1, h-2*m, text_flags, s, t );
    } else if ( mi->pixmap() ) {            // draw pixmap
    QPixmap *pixmap = mi->pixmap();
    if ( pixmap->depth() == 1 )
        p->setBackgroundMode( OpaqueMode );
    p->drawPixmap( x+xm, y+motifItemFrame, *pixmap );
    if ( pixmap->depth() == 1 )
        p->setBackgroundMode( TransparentMode );
    }
    if ( mi->popup() ) {            // draw sub menu arrow
    int dim = (h-2*motifItemFrame) / 2;
    if ( act ) {
        if ( !dis )
        discol = white;
        QColorGroup g2( discol, g.highlight(),
                white, white,
                dis ? discol : white,
                discol, white );
        drawArrow( p, RightArrow, FALSE,
                   x+w - motifArrowHMargin - motifItemFrame - dim,  y+h/2-dim/2,
                   dim, dim, g2, TRUE );
    } else {
        drawArrow( p, RightArrow,
                   FALSE,
                   x+w - motifArrowHMargin - motifItemFrame - dim,  y+h/2-dim/2,
                   dim, dim, g, mi->isEnabled() );
    }
    }
#endif
}

#endif

This file is part of the documentation for OPIE Version 1.5.5.

Documentation copyright © 1997-2003 the KDE developers. 2003 OPIE developers
Generated on Tue Feb 10 20:24:07 2004 by doxygen 1.3.5 written by Dimitri van Heesch, © 1997-2001