webstyle.cpp

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/*
 *  Copyright (C) 2001 Rik Hemsley (rikkus) <rik@kde.org>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public License
 *  along with this library; see the file COPYING.LIB.  If not, write to
 *  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 *  Boston, MA 02111-1307, USA.
 */

#ifndef INCLUDE_MENUITEM_DEF
#define INCLUDE_MENUITEM_DEF
#endif

#include <qmenudata.h>
#include <qpalette.h>
#include <qbitmap.h>
#include <qtabbar.h>
#include <qpointarray.h>
#include <qscrollbar.h>
#include <qframe.h>
#include <qpushbutton.h>
#include <qdrawutil.h>
#include <qpainter.h>

#include "webstyle.h"

static const int  _indicatorSize = 9;
static QButton *  _highlightedButton = 0;
static const int  _scrollBarExtent = 12;

static QFrame *   _currentFrame = 0;
static int        _savedFrameLineWidth;
static int        _savedFrameMidLineWidth;
static ulong      _savedFrameStyle;

static const int ITEMFRAME       = 1; // menu stuff
static const int ITEMHMARGIN     = 3;
static const int ITEMVMARGIN     = 0;

static const int ARROWMARGIN     = 6;
static const int RIGHTBORDER     = 10;
static const int MINICONSIZE     = 12;


static QColor contrastingForeground(const QColor & fg, const QColor & bg)
{
  int h, s, vbg, vfg;

  bg.hsv(&h, &s, &vbg);
  fg.hsv(&h, &s, &vfg);

  int diff(vbg - vfg);

  if ((diff > -72) && (diff < 72))
  {
    return (vbg < 128) ? Qt::white : Qt::black;
  }
  else
  {
    return fg;
  }
}

// Gotta keep it separated.

  static void
scrollBarControlsMetrics
(
 const QScrollBar * sb,
 int sliderStart,
 int /* sliderMin */,
 int sliderMax,
 int sliderLength,
 int buttonDim,
 QRect & rSub,
 QRect & rAdd,
 QRect & rSubPage,
 QRect & rAddPage,
 QRect & rSlider
 )
{
  bool horizontal = sb->orientation() == QScrollBar::Horizontal;

  int len     = horizontal ? sb->width()  : sb->height();

  int extent  = horizontal ? sb->height() : sb->width();

  QColorGroup g = sb->colorGroup();

  if (sliderStart > sliderMax)
    sliderStart = sliderMax;

  int sliderEnd = sliderStart + sliderLength;

  int addX, addY;
  int subX, subY;
  int subPageX, subPageY, subPageW, subPageH;
  int addPageX, addPageY, addPageW, addPageH;
  int sliderX, sliderY, sliderW, sliderH;

  if (horizontal)
  {
    subY      = 0;
    addY      = 0;
    subX      = 0;
    addX      = buttonDim;

    subPageX  = buttonDim * 2;
    subPageY  = 0;
    subPageW  = sliderStart - 1;
    subPageH  = extent;

    addPageX  = sliderEnd;
    addPageY  = 0;
    addPageW  = len - sliderEnd;
    addPageH  = extent;

    sliderX   = sliderStart;
    sliderY   = 0;
    sliderW   = sliderLength;
    sliderH   = extent;
  }
  else
  {
    subX    = 0;
    addX    = 0;
    subY    = len - buttonDim * 2;
    addY    = len - buttonDim;

    subPageX = 0;
    subPageY = 0;
    subPageW = extent;
    subPageH = sliderStart;

    addPageX  = 0;
    addPageY  = sliderEnd;
    addPageW  = extent;
    addPageH  = subY - sliderEnd;

    sliderX   = 0;
    sliderY   = sliderStart;
    sliderW   = extent;
    sliderH   = sliderLength;
  }

  rSub      .setRect(    subX,      subY, buttonDim, buttonDim);
  rAdd      .setRect(    addX,      addY, buttonDim, buttonDim);
  rSubPage  .setRect(subPageX,  subPageY,  subPageW,  subPageH);
  rAddPage  .setRect(addPageX,  addPageY,  addPageW,  addPageH);
  rSlider   .setRect( sliderX,   sliderY,   sliderW,   sliderH);
}

// Rounded rects my way.

  static void
drawFunkyRect
(
 QPainter * p,
 int x,
 int y,
 int w,
 int h,
 bool small
)
{
  p->translate(x, y);

  if (small)
  {
    p->drawLine(      2,      0,  w - 3,      0  );
    p->drawLine(  w - 1,      2,  w - 1,  h - 3  );
    p->drawLine(  w - 3,  h - 1,      2,  h - 1  );
    p->drawLine(      0,  h - 3,      0,      2  );

    // Use an array of points so that there's only one round-trip with the
    // X server.

    QCOORD pointList[] =
    {
          1,      1,
      w - 2,      1,
      w - 2,  h - 2,
          1,  h - 2
    };

    p->drawPoints(QPointArray(4, pointList));
  }
  else
  {
    p->drawLine(      3,      0,  w - 4,      0  );
    p->drawLine(  w - 1,      3,  w - 1,  h - 4  );
    p->drawLine(  w - 4,  h - 1,      3,  h - 1  );
    p->drawLine(      0,  h - 4,      0,      3  );

    QCOORD pointList[] =
    {
          1,      2,
          2,      1,
      w - 3,      1,
      w - 2,      2,
      w - 2,  h - 3,
      w - 3,  h - 2,
          2,  h - 2,
          1,  h - 3
    };

    p->drawPoints(QPointArray(8, pointList));
  }

  p->translate(-x, -y);
}

WebStyle::WebStyle()
  : QWindowsStyle()
{
  setButtonDefaultIndicatorWidth(1);
  setScrollBarExtent(_scrollBarExtent, _scrollBarExtent);
  setButtonMargin( 3 );
  setSliderThickness(_scrollBarExtent );
}

WebStyle::~WebStyle()
{
  // Empty.
}

  void
WebStyle::polish(QApplication *)
{
  // Empty.
}

  void
WebStyle::polish(QPalette &)
{
  // Empty.
}

  void
WebStyle::unPolish(QApplication *)
{
  // Empty.
}

  void
WebStyle::polish(QWidget * w)
{
  if (w->inherits("QPushButton"))
    w->installEventFilter(this);

  else if (w->inherits("QGroupBox") || w->inherits("QFrame"))
  {
    QFrame * f(static_cast<QFrame *>(w));

    if (f->frameStyle() != QFrame::NoFrame)
    {
      _currentFrame = f;

      _savedFrameLineWidth = f->lineWidth();
      _savedFrameMidLineWidth = f->midLineWidth();
      _savedFrameStyle = f->frameStyle();

      if (f->frameShape() == QFrame::HLine || f->frameShape() == QFrame::VLine)
      {
        f->setMidLineWidth(1);
        f->setFrameStyle(f->frameShape() | QFrame::Plain);
      }
      else
      {
        f->setLineWidth(1);
        f->setFrameStyle(QFrame::Box | QFrame::Plain);
      }
    }
  }
}

  void
WebStyle::unPolish(QWidget * w)
{
  if (w->inherits("QPushButton"))
    w->removeEventFilter(this);

  else if (w == _currentFrame)
  {
    QFrame * f(static_cast<QFrame *>(w));

    f->setLineWidth(_savedFrameLineWidth);
    f->setMidLineWidth(_savedFrameMidLineWidth);
    f->setFrameStyle(_savedFrameStyle);
  }
}

  bool
WebStyle::eventFilter(QObject * o, QEvent * e)
{
  QPushButton * pb(static_cast<QPushButton *>(o));

  if (e->type() == QEvent::Enter)
  {
    _highlightedButton = pb;
    pb->repaint(false);
  }
  else if (e->type() == QEvent::Leave)
  {
    _highlightedButton = 0;
    pb->repaint(false);
  }

  return false;
}

  void
WebStyle::drawButton
(
 QPainter * p,
 int x,
 int y,
 int w,
 int h,
 const QColorGroup & g,
 bool sunken,
 const QBrush * fill
)
{
  p->save();

  if (sunken)
    p->setPen(contrastingForeground(g.light(), g.button()));
  else
    p->setPen(contrastingForeground(g.mid(), g.button()));

  p->setBrush(0 == fill ? NoBrush : *fill);

  drawFunkyRect(p, x, y, w, h, true);

  p->restore();
}

  QRect
WebStyle::buttonRect(int x, int y, int w, int h)
{
  return QRect(x + 2, y + 2, w - 4, h - 4);
}

  void
WebStyle::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);
}

  void
WebStyle::drawPushButton(QPushButton * b, QPainter * p)
{
  // Note: painter is already translated for us.

  bool sunken(b->isDown() || b->isOn());
  bool hl(_highlightedButton == b);

  QColor bg(b->colorGroup().button());

  p->save();
  p->fillRect(b->rect(), b->colorGroup().brush(QColorGroup::Background));

  if (b->isDefault())
  {
    QColor c(hl ? b->colorGroup().highlight() : b->colorGroup().mid());

    p->setPen(contrastingForeground(c, bg));

    drawFunkyRect(p, 0, 0, b->width(), b->height(), false);
  }

  p->fillRect
    (
     4,
     4,
     b->width() - 8,
     b->height() - 8,
     b->colorGroup().brush(QColorGroup::Button)
    );

  if (b->isEnabled())
  {
    if (sunken)
    {
      p->setPen(contrastingForeground(b->colorGroup().light(), bg));
    }
    else
    {
      if (hl)
        p->setPen(contrastingForeground(b->colorGroup().highlight(), bg));
      else
        p->setPen(contrastingForeground(b->colorGroup().mid(), bg));
    }
  }
  else
  {
    p->setPen(b->colorGroup().button());
  }

  drawFunkyRect(p, 3, 3, b->width() - 6, b->height() - 6, true);

  p->restore();
}

  void
WebStyle::drawPushButtonLabel(QPushButton * b, QPainter * p)
{
  // This is complicated stuff and we don't really want to mess with it.

  QWindowsStyle::drawPushButtonLabel(b, p);
}

  void
WebStyle::drawScrollBarControls
(
 QPainter * p,
 const QScrollBar * sb,
 int sliderStart,
 uint controls,
 uint activeControl
)
{
  p->save();

  int sliderMin, sliderMax, sliderLength, buttonDim;

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

  QRect rSub, rAdd, rSubPage, rAddPage, rSlider;

  scrollBarControlsMetrics
    (
     sb,
     sliderStart,
     sliderMin,
     sliderMax,
     sliderLength,
     buttonDim,
     rSub,
     rAdd,
     rSubPage,
     rAddPage,
     rSlider
    );

  QColorGroup g(sb->colorGroup());

  if (controls & AddLine && rAdd.isValid())
  {
    bool active(activeControl & AddLine);

    QColor c(active ? g.highlight() : g.dark());

    p->setPen(c);
    p->setBrush(g.button());
    p->drawRect(rAdd);

    Qt::ArrowType t =
      sb->orientation() == Horizontal ? Qt::RightArrow : Qt::DownArrow;

    // Is it me or is KStyle::drawArrow broken ?

    drawArrow
      (
       p,
       t,
       true, // FIXME - down ?
       rAdd.x(),
       rAdd.y(),
       rAdd.width(),
       rAdd.height(),
       g,
       true // FIXME - enabled ?
      );
  }

  if (controls & SubLine && rSub.isValid())
  {
    bool active(activeControl & SubLine);

    QColor c(active ? g.highlight() : g.dark());

    p->setPen(c);
    p->setBrush(g.button());
    p->drawRect(rSub);

    Qt::ArrowType t =
      sb->orientation() == Horizontal ? Qt::LeftArrow : Qt::UpArrow;

    drawArrow
      (
       p,
       t,
       true, // FIXME - down ?
       rSub.x(),
       rSub.y(),
       rSub.width(),
       rSub.height(),
       g,
       true // FIXME - enabled ?
      );
  }

  if (controls & SubPage && rSubPage.isValid())
  {
    p->setPen(g.mid());
    p->setBrush(g.base());
    p->drawRect(rSubPage);
  }

  if (controls & AddPage && rAddPage.isValid())
  {
    p->setPen(g.mid());
    p->setBrush(g.base());
    p->drawRect(rAddPage);
  }

  if (controls & Slider && rSlider.isValid())
  {
    p->setPen(activeControl & Slider ? g.highlight() : g.dark());

    p->setBrush(g.button());
    p->drawRect(rSlider);

    p->setBrush(g.light());
    p->setPen(g.dark());

    if (sliderLength > _scrollBarExtent * 2)
    {
      int ellipseSize =
        Horizontal == sb->orientation()
        ?
        rSlider.height() - 4
        :
        rSlider.width()  - 4
        ;

      QPoint center(rSlider.center());

      if (Horizontal == sb->orientation())
      {
        p->drawEllipse
          (
           center.x() - ellipseSize / 2, rSlider.y() + 2,
           ellipseSize, ellipseSize
          );
      }
      else
      {
        p->drawEllipse
          (
           rSlider.x() + 2, center.y() - ellipseSize / 2,
           ellipseSize, ellipseSize
          );
      }
    }
  }

  p->restore();
}

  QStyle::ScrollControl
WebStyle::scrollBarPointOver
(
 const QScrollBar * sb,
 int sliderStart,
 const QPoint & point
)
{
  if (!sb->rect().contains(point))
    return NoScroll;

  int sliderMin, sliderMax, sliderLength, buttonDim;

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

  if (sb->orientation() == QScrollBar::Horizontal)
  {
    int x = point.x();

    if (x <= buttonDim)
      return SubLine;

    else if (x <= buttonDim * 2)
      return AddLine;

    else if (x < sliderStart)
      return SubPage;

    else if (x < sliderStart+sliderLength)
      return Slider;

    return AddPage;
  }
  else
  {
    int y = point.y();

    if (y < sliderStart)
      return SubPage;

    else if (y < sliderStart + sliderLength)
      return Slider;

    else if (y < sliderMax + sliderLength)
      return AddPage;

    else if (y < sliderMax + sliderLength + buttonDim)
      return SubLine;

    return AddLine;
  }
}

  void
WebStyle::scrollBarMetrics
(
 const QScrollBar * sb,
 int & sliderMin,
 int & sliderMax,
 int & sliderLength,
 int & buttonDim
)
{
//    return QWindowsStyle::scrollBarMetrics(sb, sliderMin, sliderMax,
//                                           sliderLength, buttonDim );
    int maxlen;

  bool horizontal = sb->orientation() == QScrollBar::Horizontal;

  int len = (horizontal) ? sb->width() : sb->height();

  int extent = (horizontal) ? sb->height() : sb->width();

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

  if (horizontal)
    sliderMin = buttonDim * 2;
  else
    sliderMin = 1;

  maxlen = len - buttonDim * 2 - 1;

  int div = QMAX(1, (sb->maxValue() - sb->minValue() + sb->pageStep() ) );

  sliderLength =
    (sb->pageStep() * maxlen) / div;

  if (sliderLength < _scrollBarExtent)
    sliderLength = _scrollBarExtent;

  if (sliderLength > maxlen)
    sliderLength = maxlen;

  sliderMax = sliderMin + maxlen - sliderLength;
}

  QSize
WebStyle::indicatorSize() const
{
  return QSize(_indicatorSize, _indicatorSize);
}

  void
WebStyle::drawIndicator
(
 QPainter * p,
 int x,
 int y,
 int w,
 int h,
 const QColorGroup & g,
 int state,
 bool down,
 bool enabled
)
{
  p->save();

  p->fillRect(x, y, w, h, g.background());

  if (enabled)
  {
    p->setPen(down ? g.highlight() : contrastingForeground(g.dark(), g.background()));
  }
  else
  {
    g.mid();
  }

  p->drawRect(x, y, w, h);

  if (state != QButton::Off)
  {
    p->fillRect(x + 2, y + 2, w - 4, h - 4, enabled ? g.highlight() : g.mid());

    if (state == QButton::NoChange)
    {
      p->fillRect(x + 4, y + 4, w - 8, h - 8, g.background());
    }
  }

  p->restore();
}

  QSize
WebStyle::exclusiveIndicatorSize() const
{
  return QSize(_indicatorSize+2, _indicatorSize+2);
}

  void
WebStyle::drawExclusiveIndicator
(
 QPainter * p,
 int x,
 int y,
 int w,
 int h,
 const QColorGroup & g,
 bool on,
 bool down,
 bool enabled
)
{
  p->save();

  p->fillRect(x, y, w, h, g.background());

  if (enabled)
  {
    p->setPen(down ? g.highlight() : contrastingForeground(g.dark(), g.background()));
  }
  else
  {
    p->setPen(g.mid());
  }

  p->setBrush(g.brush(QColorGroup::Background));

  // Avoid misshapen ellipses. Qt or X bug ? Who knows...

  if (0 == w % 2)
    --w;

  if (0 == h % 2)
    --h;

  p->drawEllipse(x, y, w, h);

  if (on)
  {
    p->setPen(enabled ? g.highlight() : g.mid());
    p->setBrush(enabled ? g.highlight() : g.mid());
    p->drawEllipse(x + 3, y + 3, w - 6, h - 6);
  }

  p->restore();
}

  void
WebStyle::drawIndicatorMask
(
 QPainter * p,
 int x,
 int y,
 int w,
 int h,
 int /* state */
)
{
  p->fillRect(x, y, w, h, Qt::color1);
}

  void
WebStyle::drawExclusiveIndicatorMask
(
 QPainter * p,
 int x,
 int y,
 int w,
 int h,
 bool /* on */
)
{
  if (0 == w % 2)
    --w;

  if (0 == h % 2)
    --h;

  p->setPen(Qt::color1);
  p->setBrush(Qt::color1);
  p->drawEllipse(x, y, w, h);
}

  void
WebStyle::drawComboButton
(
 QPainter * p,
 int x,
 int y,
 int w,
 int h,
 const QColorGroup & g,
 bool sunken,
 bool editable,
 bool enabled,
 const QBrush * fill
)
{
  p->save();

  p->setPen(NoPen);
  p->setBrush(0 == fill ? g.brush(QColorGroup::Background) : *fill);
  p->drawRect(x, y, w, h);

  if (enabled)
  {
    if (sunken)
      p->setPen(contrastingForeground(g.highlight(), g.background()));
    else
      p->setPen(contrastingForeground(g.mid(), g.background()));
  }
  else
  {
    p->setPen(contrastingForeground(g.mid(), g.background()));
  }

  drawFunkyRect(p, x, y, w, h, true);

  p->drawPoint(w - 10, h - 6);
  p->drawPoint(w - 9, h - 6);
  p->drawPoint(w - 8, h - 6);
  p->drawPoint(w - 7, h - 6);
  p->drawPoint(w - 6, h - 6);

  p->drawPoint(w - 9, h - 7);
  p->drawPoint(w - 8, h - 7);
  p->drawPoint(w - 7, h - 7);
  p->drawPoint(w - 6, h - 7);

  p->drawPoint(w - 8, h - 8);
  p->drawPoint(w - 7, h - 8);
  p->drawPoint(w - 6, h - 8);

  p->drawPoint(w - 7, h - 9);
  p->drawPoint(w - 6, h - 9);

  p->drawPoint(w - 6, h - 10);

  if (editable)
    p->fillRect(comboButtonFocusRect(x, y, w, h), Qt::red);

  p->restore();
}

  QRect
WebStyle::comboButtonRect(int x, int y, int w, int h)
{
  return QRect(x + 2, y + 2, w - 20, h - 4);
}

  QRect
WebStyle::comboButtonFocusRect(int x, int y, int w, int h)
{
  return QRect(x + 2, y + 2, w - 20, h - 4);
}

  int
WebStyle::sliderLength() const
{
  return 13;
}

  void
WebStyle::drawSliderGroove
(
 QPainter * p,
 int x,
 int y,
 int w,
 int h,
 const QColorGroup & g,
 QCOORD /* c */,
 Orientation o
)
{
  p->save();

  p->setPen(QPen(g.dark(), 0, Qt::DotLine));

  if( o == Qt::Horizontal )
    p->drawLine(x, y + h / 2, w, y + h / 2);
  else
  if( o == Qt::Vertical )
    p->drawLine(x + w / 2, y, x + w / 2, h);

  p->restore();
}

  void
WebStyle::drawArrow
(
 QPainter * p,
 Qt::ArrowType type,
 bool down,
 int x,
 int y,
 int w,
 int h,
 const QColorGroup & g,
 bool enabled,
 const QBrush * fill
)
{
  QWindowsStyle::drawArrow(p, type, down, x, y, w, h, g, enabled, fill);
}

  void
WebStyle::drawSlider
(
 QPainter * p,
 int x,
 int y,
 int w,
 int h,
 const QColorGroup & g,
 Orientation o,
 bool /* tickAbove */,
 bool /* tickBelow */
)
{
  p->save();

  p->fillRect(x + 1, y + 1, w - 2, h - 2, g.background());
  p->setPen(g.dark());
  p->setBrush(g.light());

  int sl = sliderLength();

  if( o == Qt::Horizontal )
    p->drawEllipse(x, y + h / 2 - sl / 2, sl, sl);
  else
  if( o == Qt::Vertical )
    p->drawEllipse(x + w / 2 - sl / 2, y, sl, sl);

  p->restore();
}

  void
WebStyle::drawPopupMenuItem
(
 QPainter * p,
 bool checkable,
 int maxpmw,
 int tabwidth,
 QMenuItem * mi,
 const QPalette & pal,
 bool act,
 bool enabled,
 int x,
 int y,
 int w,
 int h
)
{
  // TODO
  //QWindowsStyle::drawPopupMenuItem(p, checkable, maxpmw, tab, mi, pal, act, enabled, x, y, w, h);
    if ( !mi )
        return;

    QRect rect(x, y, w, h );
    int x2, y2;
    x2 = rect.right();
    y2 = rect.bottom();
    const QColorGroup& g = pal.active();
    QColorGroup itemg    = !enabled ? pal.disabled() : pal.active();

    if ( checkable || maxpmw ) maxpmw = QMAX(maxpmw, 20);

    if (act && enabled )
        p->fillRect(x, y, w, h, g.highlight() );
    else
        p->fillRect(x, y, w, h, g.background() );

    // draw seperator
    if (mi->isSeparator() ) {
    p->setPen( g.dark() );
    p->drawLine( x+8, y+1, x+w-8, y+1 );

        p->setPen( g.mid() );
        p->drawLine( x+8,   y, x+w-8, y );
        p->drawPoint(x+w,y+1);

    p->setPen( g.midlight() );
    p->drawLine( x+8, y-1, x+w-8, y-1 );
        p->drawPoint(x+8, y );
        return;
    }

    // draw icon
    QIconSet::Mode mode;
    if ( mi->iconSet() && !mi->isChecked() ) {
        if ( act )
            mode = enabled ? QIconSet::Active : QIconSet::Disabled;
        else
            mode = enabled ? QIconSet::Normal : QIconSet::Disabled;
        QPixmap pixmap;
        if ( mode == QIconSet::Disabled )
            pixmap = mi->iconSet()->pixmap( QIconSet::Automatic, mode );
        else
            pixmap = mi->iconSet()->pixmap();
        QRect pmrect(0, 0, pixmap.width(), pixmap.height() );
        QRect cr(x, y, maxpmw, h );
        pmrect.moveCenter( cr.center() );
        p->drawPixmap(pmrect.topLeft(), pixmap);
    }

    // draw check
    if(mi->isChecked() ) {
        drawCheckMark(p, x, y, maxpmw, h, itemg, act, !enabled );
    }


    // draw text
    int xm = maxpmw + 2;
    int xp = x + xm;
    int tw = w -xm - 2;

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


    if ( mi->custom() ) {
        p->save();
        mi->custom()->paint(p, g, act, enabled,
                              xp, y+1, tw, h-2 );
        p->restore();
    }else { // draw label
        QString text = mi->text();
        if (!text.isNull() ) {
            int t = text.find('\t');
            const int tflags = AlignVCenter | DontClip |
                               ShowPrefix |  SingleLine |
                               AlignLeft;

            if (t >= 0) {
                int tabx = x + w - tabwidth - RIGHTBORDER -
                           ITEMHMARGIN - ITEMFRAME;
                p->drawText(tabx, y+ITEMVMARGIN, tabwidth,
                            h-2*ITEMVMARGIN, tflags,
                            text.mid(t+1) );
                text = text.left(t );
            }

            // draw left label
             p->drawText(xp, y+ITEMVMARGIN,
                         tw, h-2*ITEMVMARGIN,
                         tflags, text, t);
        }else if ( mi->pixmap() ) { // pixmap as label
            QPixmap pixmap = *mi->pixmap();
            if ( pixmap.depth() == 1 )
                p->setBackgroundMode( OpaqueMode );

            int dx = ((w-pixmap.width() )  /2 ) +
                 ((w - pixmap.width()) %2 );
            p->drawPixmap(x+dx, y+ITEMFRAME, pixmap );

            if ( pixmap.depth() == 1 )
                p->setBackgroundMode( TransparentMode );
        }
    }

    if ( mi->popup() ) { // draw submenu arrow
        int dim = (h-2*ITEMFRAME) / 2;
        drawArrow( p, RightArrow, false,
                   x+w-ARROWMARGIN-ITEMFRAME-dim,
                   y+h/2-dim/2, dim, dim, g, enabled );
    }
}

  void
WebStyle::drawFocusRect
(
 QPainter * p,
 const QRect & r,
 const QColorGroup & g,
 const QColor * pen,
 bool atBorder
)
{
  p->save();

  if (0 != pen)
  p->setPen(0 == pen ? g.foreground() : *pen);
  p->setBrush(NoBrush);

  if (atBorder)
  {
    p->drawRect(QRect(r.x() + 1, r.y() + 1, r.width() - 2, r.height() - 2));
  }
  else
  {
    p->drawRect(r);
  }

  p->restore();
}

  void
WebStyle::drawPanel
(
 QPainter * p,
 int x,
 int y,
 int w,
 int h,
 const QColorGroup & g,
 bool /* sunken */,
 int /* lineWidth */,
 const QBrush * fill
)
{
  p->save();

  p->setPen(g.dark());

  p->setBrush(0 == fill ? NoBrush : *fill);

  p->drawRect(x, y, w, h);

  p->restore();
}

  void
WebStyle::drawPopupPanel
(
 QPainter * p,
 int x,
 int y,
 int w,
 int h,
 const QColorGroup & g,
 int /* lineWidth */,
 const QBrush * fill
)
{
  p->save();

  p->setPen(g.dark());

  p->setBrush(0 == fill ? NoBrush : *fill);

  p->drawRect(x, y, w, h);

  p->restore();
}

  void
WebStyle::drawSeparator
(
 QPainter * p,
 int x,
 int y,
 int w,
 int h,
 const QColorGroup & g,
 bool /* sunken */,
 int /* lineWidth */,
 int /* midLineWidth */
)
{
  p->save();

  p->setPen(g.dark());

  if (w > h)
  {
    p->drawLine(x, y + h / 2, x + w, y + h / 2);
  }
  else
  {
    p->drawLine(x + w / 2, y, x + w / 2, y + h);
  }

  p->restore();
}

  void
WebStyle::drawTab
(
 QPainter * p,
 const QTabBar * tabBar,
 QTab * tab,
 bool selected
)
{
  QRect r(tab->rect());

  QColorGroup g(tabBar->colorGroup());

  p->save();

  p->setPen(selected ? g.dark() : g.mid());
  p->fillRect(r, g.brush(QColorGroup::Background));

  switch (tabBar->shape())
  {
    case QTabBar::RoundedAbove:
    case QTabBar::TriangularAbove:
      p->drawLine(r.left(), r.top(), r.left(), r.bottom());
      p->drawLine(r.left(), r.top(), r.right(), r.top());
      p->drawLine(r.right(), r.top(), r.right(), r.bottom());
      if (!selected)
      {
        p->setPen(g.dark());
        p->drawLine(r.left(), r.bottom(), r.right(), r.bottom());
      }
      break;
    case QTabBar::RoundedBelow:
    case QTabBar::TriangularBelow:
      if (!selected)
      {
        p->setPen(g.dark());
        p->drawLine(r.left(), r.top(), r.right(), r.top());
      }
      p->drawLine(r.left(), r.top(), r.left(), r.bottom());
      p->drawLine(r.left(), r.bottom(), r.right(), r.bottom());
      p->drawLine(r.right(), r.top(), r.right(), r.bottom());
      break;
  }

  p->restore();
}

  void
WebStyle::drawTabMask
(
 QPainter * p,
 const QTabBar *,
 QTab * tab,
 bool
)
{
  p->fillRect(tab->rect(), Qt::color1);
}


  int
WebStyle::popupMenuItemHeight(bool, QMenuItem * i, const QFontMetrics & fm)
{
  if (i->isSeparator())
    return 1;

  int h = 0;

  if (0 != i->pixmap())
  {
    h = i->pixmap()->height();
  }

  if (0 != i->iconSet())
  {
    h = QMAX
      (
       i->iconSet()->pixmap().height(),
       h
      );
  }

  h = QMAX(fm.height() + 4, h);

  h = QMAX(18, h);

  return h;

}

---