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kdedefault.cpp

/*
 *
 *  KDE2 Default KWin client
 *
 *  Copyright (C) 1999, 2001 Daniel Duley <mosfet@kde.org>
 *  Matthias Ettrich <ettrich@kde.org>
 *  Karol Szwed <gallium@kde.org>
 *
 *  Draws mini titlebars for tool windows.
 *  Many features are now customizable.
 */

#include "kdedefault.h"

#include <kconfig.h>
#include <kglobal.h>
#include <kpixmapeffect.h>
#include <kimageeffect.h>
#include <kdrawutil.h>
#include <klocale.h>
#include <qlayout.h>
#include <qdrawutil.h>
#include <qbitmap.h>
#include <qimage.h>
#include <qtooltip.h>
#include <qapplication.h>
#include <qlabel.h>
#include <kdebug.h>

namespace Default
{

static const unsigned char iconify_bits[] = {
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x00, 0x78, 0x00, 0x78, 0x00,
  0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

static const unsigned char close_bits[] = {
  0x00, 0x00, 0x84, 0x00, 0xce, 0x01, 0xfc, 0x00, 0x78, 0x00, 0x78, 0x00,
  0xfc, 0x00, 0xce, 0x01, 0x84, 0x00, 0x00, 0x00};

static const unsigned char maximize_bits[] = {
  0x00, 0x00, 0xfe, 0x01, 0xfe, 0x01, 0x86, 0x01, 0x86, 0x01, 0x86, 0x01,
  0x86, 0x01, 0xfe, 0x01, 0xfe, 0x01, 0x00, 0x00};

static const unsigned char minmax_bits[] = {
  0x7f, 0x00, 0x7f, 0x00, 0x63, 0x00, 0xfb, 0x03, 0xfb, 0x03, 0x1f, 0x03,
  0x1f, 0x03, 0x18, 0x03, 0xf8, 0x03, 0xf8, 0x03};

static const unsigned char question_bits[] = {
  0x00, 0x00, 0x78, 0x00, 0xcc, 0x00, 0xc0, 0x00, 0x60, 0x00, 0x30, 0x00,
  0x00, 0x00, 0x30, 0x00, 0x30, 0x00, 0x00, 0x00};

static const unsigned char above_on_bits[] = {
   0x00, 0x00, 0xfe, 0x01, 0xfe, 0x01, 0x30, 0x00, 0xfc, 0x00, 0x78, 0x00,
   0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };

static const unsigned char above_off_bits[] = {
   0x30, 0x00, 0x78, 0x00, 0xfc, 0x00, 0x30, 0x00, 0xfe, 0x01, 0xfe, 0x01,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };

static const unsigned char below_on_bits[] = {
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x00, 0x78, 0x00, 0xfc, 0x00,
   0x30, 0x00, 0xfe, 0x01, 0xfe, 0x01, 0x00, 0x00 };

static const unsigned char below_off_bits[] = {
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x01, 0xfe, 0x01,
   0x30, 0x00, 0xfc, 0x00, 0x78, 0x00, 0x30, 0x00 };

static const unsigned char shade_on_bits[] = {
   0x00, 0x00, 0xfe, 0x01, 0xfe, 0x01, 0xfe, 0x01, 0x02, 0x01, 0x02, 0x01,
   0x02, 0x01, 0x02, 0x01, 0xfe, 0x01, 0x00, 0x00 };

static const unsigned char shade_off_bits[] = {
   0x00, 0x00, 0xfe, 0x01, 0xfe, 0x01, 0xfe, 0x01, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };

static const unsigned char pindown_white_bits[] = {
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x80, 0x1f, 0xa0, 0x03,
  0xb0, 0x01, 0x30, 0x01, 0xf0, 0x00, 0x70, 0x00, 0x20, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

static const unsigned char pindown_gray_bits[] = {
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c,
  0x00, 0x0e, 0x00, 0x06, 0x00, 0x00, 0x80, 0x07, 0xc0, 0x03, 0xe0, 0x01,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

static const unsigned char pindown_dgray_bits[] = {
  0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xc0, 0x10, 0x70, 0x20, 0x50, 0x20,
  0x48, 0x30, 0xc8, 0x38, 0x08, 0x1f, 0x08, 0x18, 0x10, 0x1c, 0x10, 0x0e,
  0xe0, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

static const unsigned char pindown_mask_bits[] = {
  0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xc0, 0x1f, 0xf0, 0x3f, 0xf0, 0x3f,
  0xf8, 0x3f, 0xf8, 0x3f, 0xf8, 0x1f, 0xf8, 0x1f, 0xf0, 0x1f, 0xf0, 0x0f,
  0xe0, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

static const unsigned char pinup_white_bits[] = {
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x80, 0x11,
  0x3f, 0x15, 0x00, 0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

static const unsigned char pinup_gray_bits[] = {
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x80, 0x0a, 0xbf, 0x0a, 0x80, 0x15, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

static const unsigned char pinup_dgray_bits[] = {
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x20, 0x40, 0x31, 0x40, 0x2e,
  0x40, 0x20, 0x40, 0x20, 0x7f, 0x2a, 0x40, 0x3f, 0xc0, 0x31, 0xc0, 0x20,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

static const unsigned char pinup_mask_bits[] = {
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x20, 0xc0, 0x31, 0xc0, 0x3f,
  0xff, 0x3f, 0xff, 0x3f, 0xff, 0x3f, 0xc0, 0x3f, 0xc0, 0x31, 0xc0, 0x20,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

// ===========================================================================

static QPixmap* titlePix;
static KPixmap* titleBuffer;
static KPixmap* aUpperGradient;
static KPixmap* iUpperGradient;

static KPixmap* pinDownPix;
static KPixmap* pinUpPix;
static KPixmap* ipinDownPix;
static KPixmap* ipinUpPix;

static KPixmap* rightBtnUpPix[2];
static KPixmap* rightBtnDownPix[2];
static KPixmap* irightBtnUpPix[2];
static KPixmap* irightBtnDownPix[2];

static KPixmap* leftBtnUpPix[2];
static KPixmap* leftBtnDownPix[2];
static KPixmap* ileftBtnUpPix[2];
static KPixmap* ileftBtnDownPix[2];

static KDEDefaultHandler* clientHandler;
static int  toolTitleHeight;
static int  normalTitleHeight;
static int borderWidth;
static int grabBorderWidth;
static bool KDEDefault_initialized = false;
static bool useGradients;
static bool showGrabBar;
static bool showTitleBarStipple;


// ===========================================================================

KDEDefaultHandler::KDEDefaultHandler()
{
        clientHandler = this;
    readConfig( false );
    createPixmaps();
    KDEDefault_initialized = true;
}


KDEDefaultHandler::~KDEDefaultHandler()
{
    KDEDefault_initialized = false;
    freePixmaps();
        clientHandler = NULL;
}

KDecoration* KDEDefaultHandler::createDecoration( KDecorationBridge* b )
{
        return new KDEDefaultClient( b, this );
}

bool KDEDefaultHandler::reset( unsigned long changed )
{
    KDEDefault_initialized = false;
        changed |= readConfig( true );
        if( changed & SettingColors )
        { // pixmaps need to be recreated
            freePixmaps();
                createPixmaps();
        }
    KDEDefault_initialized = true;
        bool need_recreate = ( changed & ( SettingDecoration | SettingFont | SettingButtons | SettingBorder )) != 0;
        if( need_recreate )  // something else than colors changed
            return true;
        resetDecorations( changed );
        return false;
}


unsigned long KDEDefaultHandler::readConfig( bool update )
{
        unsigned long changed = 0;
    KConfig* conf = KGlobal::config();
    conf->setGroup("KDEDefault");

        bool new_showGrabBar        = conf->readBoolEntry("ShowGrabBar", true);
    bool new_showTitleBarStipple = conf->readBoolEntry("ShowTitleBarStipple", true);
    bool new_useGradients       = conf->readBoolEntry("UseGradients", true);
    int  new_titleHeight        = QFontMetrics(options()->font(true)).height();
    int  new_toolTitleHeight    = QFontMetrics(options()->font(true, true)).height()-2;

    int new_borderWidth;
    switch(options()->preferredBorderSize(this)) {
    case BorderLarge:
        new_borderWidth = 8;
        break;
    case BorderVeryLarge:
        new_borderWidth = 12;
        break;
    case BorderHuge:
        new_borderWidth = 18;
        break;
    case BorderVeryHuge:
        new_borderWidth = 27;
        break;
    case BorderOversized:
        new_borderWidth = 40;
        break;
    case BorderTiny:
    case BorderNormal:
    default:
        new_borderWidth = 4;
    }

    if (new_titleHeight < 16)              new_titleHeight = 16;
    if (new_titleHeight < new_borderWidth) new_titleHeight = new_borderWidth;
    if (new_toolTitleHeight < 12)              new_toolTitleHeight = 12;
    if (new_toolTitleHeight < new_borderWidth) new_toolTitleHeight = new_borderWidth;

        if( update )
        {
                if( new_showGrabBar != showGrabBar
                    || new_titleHeight != normalTitleHeight
                    || new_toolTitleHeight != toolTitleHeight
                    || new_borderWidth != borderWidth )
                        changed |= SettingDecoration; // need recreating the decoration
                if( new_showTitleBarStipple != showTitleBarStipple
                    || new_useGradients != useGradients
                    || new_titleHeight != normalTitleHeight
                    || new_toolTitleHeight != toolTitleHeight )
                        changed |= SettingColors; // just recreate the pixmaps and repaint
        }

        showGrabBar             = new_showGrabBar;
        showTitleBarStipple     = new_showTitleBarStipple;
        useGradients            = new_useGradients;
        normalTitleHeight       = new_titleHeight;
        toolTitleHeight         = new_toolTitleHeight;
        borderWidth             = new_borderWidth;
        grabBorderWidth         = (borderWidth > 15) ? borderWidth + 15 : 2*borderWidth;
        return changed;
}


// This paints the button pixmaps upon loading the style.
void KDEDefaultHandler::createPixmaps()
{
    bool highcolor = useGradients && (QPixmap::defaultDepth() > 8);

    // Make the titlebar stipple optional
    if (showTitleBarStipple)
    {
        QPainter p;
        QPainter maskPainter;
        int i, x, y;
        titlePix = new QPixmap(132, normalTitleHeight+2);
        QBitmap mask(132, normalTitleHeight+2);
        mask.fill(Qt::color0);

        p.begin(titlePix);
        maskPainter.begin(&mask);
        maskPainter.setPen(Qt::color1);
        for(i=0, y=2; i < 9; ++i, y+=4)
            for(x=1; x <= 132; x+=3)
            {
                p.setPen(options()->color(ColorTitleBar, true).light(150));
                p.drawPoint(x, y);
                maskPainter.drawPoint(x, y);
                p.setPen(options()->color(ColorTitleBar, true).dark(150));
                p.drawPoint(x+1, y+1);
                maskPainter.drawPoint(x+1, y+1);
            }
        maskPainter.end();
        p.end();
        titlePix->setMask(mask);
    } else
        titlePix = NULL;

    QColor activeTitleColor1(options()->color(ColorTitleBar,      true));
    QColor activeTitleColor2(options()->color(ColorTitleBlend,    true));

    QColor inactiveTitleColor1(options()->color(ColorTitleBar,    false));
    QColor inactiveTitleColor2(options()->color(ColorTitleBlend,  false));

    // Create titlebar gradient images if required
    aUpperGradient = NULL;
    iUpperGradient = NULL;

    if(highcolor)
    {
        // Create the titlebar gradients
        if (activeTitleColor1 != activeTitleColor2)
        {
            aUpperGradient = new KPixmap;
            aUpperGradient->resize(128, normalTitleHeight+2);
            KPixmapEffect::gradient(*aUpperGradient,
                activeTitleColor1,
                activeTitleColor2,
                KPixmapEffect::VerticalGradient);
        }

        if (inactiveTitleColor1 != inactiveTitleColor2)
        {
            iUpperGradient = new KPixmap;
            iUpperGradient->resize(128, normalTitleHeight+2);

            KPixmapEffect::gradient(*iUpperGradient,
                    inactiveTitleColor1,
                    inactiveTitleColor2,
            KPixmapEffect::VerticalGradient);
        }
    }

    // Set the sticky pin pixmaps;
    QColorGroup g;
    QPainter p;

    // Active pins
    g = options()->colorGroup( ColorButtonBg, true );
    pinUpPix  = new KPixmap();
    pinUpPix->resize(16, 16);
    p.begin( pinUpPix );
    kColorBitmaps( &p, g, 0, 0, 16, 16, true, pinup_white_bits,
        pinup_gray_bits, NULL, NULL, pinup_dgray_bits, NULL );
    p.end();
    pinUpPix->setMask( QBitmap(16, 16, pinup_mask_bits, true) );

    pinDownPix = new KPixmap();
    pinDownPix->resize(16, 16);
    p.begin( pinDownPix );
    kColorBitmaps( &p, g, 0, 0, 16, 16, true, pindown_white_bits,
        pindown_gray_bits, NULL, NULL, pindown_dgray_bits, NULL );
    p.end();
    pinDownPix->setMask( QBitmap(16, 16, pindown_mask_bits, true) );

    // Inactive pins
    g = options()->colorGroup( ColorButtonBg, false );
    ipinUpPix = new KPixmap();
    ipinUpPix->resize(16, 16);
    p.begin( ipinUpPix );
    kColorBitmaps( &p, g, 0, 0, 16, 16, true, pinup_white_bits,
        pinup_gray_bits, NULL, NULL, pinup_dgray_bits, NULL );
    p.end();
    ipinUpPix->setMask( QBitmap(16, 16, pinup_mask_bits, true) );

    ipinDownPix = new KPixmap();
    ipinDownPix->resize(16, 16);
    p.begin( ipinDownPix );
    kColorBitmaps( &p, g, 0, 0, 16, 16, true, pindown_white_bits,
        pindown_gray_bits, NULL, NULL, pindown_dgray_bits, NULL );
    p.end();
    ipinDownPix->setMask( QBitmap(16, 16, pindown_mask_bits, true) );

    // Create a title buffer for flicker-free painting
    titleBuffer = new KPixmap();

    // Cache all possible button states
    leftBtnUpPix[true]  = new KPixmap();
    leftBtnUpPix[true]->resize(normalTitleHeight, normalTitleHeight);
    leftBtnDownPix[true]    = new KPixmap();
    leftBtnDownPix[true]->resize(normalTitleHeight, normalTitleHeight);
    ileftBtnUpPix[true] = new KPixmap();
    ileftBtnUpPix[true]->resize(normalTitleHeight, normalTitleHeight);
    ileftBtnDownPix[true]   = new KPixmap();
    ileftBtnDownPix[true]->resize(normalTitleHeight, normalTitleHeight);

    rightBtnUpPix[true]     = new KPixmap();
    rightBtnUpPix[true]->resize(normalTitleHeight, normalTitleHeight);
    rightBtnDownPix[true] = new KPixmap();
    rightBtnDownPix[true]->resize(normalTitleHeight, normalTitleHeight);
    irightBtnUpPix[true]    = new KPixmap();
    irightBtnUpPix[true]->resize(normalTitleHeight, normalTitleHeight);
    irightBtnDownPix[true] = new KPixmap();
    irightBtnDownPix[true]->resize(normalTitleHeight, normalTitleHeight);

    leftBtnUpPix[false]     = new KPixmap();
    leftBtnUpPix[false]->resize(toolTitleHeight, normalTitleHeight);
    leftBtnDownPix[false]   = new KPixmap();
    leftBtnDownPix[false]->resize(toolTitleHeight, normalTitleHeight);
    ileftBtnUpPix[false]    = new KPixmap();
    ileftBtnUpPix[false]->resize(normalTitleHeight, normalTitleHeight);
    ileftBtnDownPix[false]  = new KPixmap();
    ileftBtnDownPix[false]->resize(normalTitleHeight, normalTitleHeight);

    rightBtnUpPix[false]    = new KPixmap();
    rightBtnUpPix[false]->resize(toolTitleHeight, toolTitleHeight);
    rightBtnDownPix[false] = new KPixmap();
    rightBtnDownPix[false]->resize(toolTitleHeight, toolTitleHeight);
    irightBtnUpPix[false]   = new KPixmap();
    irightBtnUpPix[false]->resize(toolTitleHeight, toolTitleHeight);
    irightBtnDownPix[false] = new KPixmap();
    irightBtnDownPix[false]->resize(toolTitleHeight, toolTitleHeight);

    // Draw the button state pixmaps
    g = options()->colorGroup( ColorTitleBar, true );
    drawButtonBackground( leftBtnUpPix[true], g, false );
    drawButtonBackground( leftBtnDownPix[true], g, true );
    drawButtonBackground( leftBtnUpPix[false], g, false );
    drawButtonBackground( leftBtnDownPix[false], g, true );

    g = options()->colorGroup( ColorButtonBg, true );
    drawButtonBackground( rightBtnUpPix[true], g, false );
    drawButtonBackground( rightBtnDownPix[true], g, true );
    drawButtonBackground( rightBtnUpPix[false], g, false );
    drawButtonBackground( rightBtnDownPix[false], g, true );

    g = options()->colorGroup( ColorTitleBar, false );
    drawButtonBackground( ileftBtnUpPix[true], g, false );
    drawButtonBackground( ileftBtnDownPix[true], g, true );
    drawButtonBackground( ileftBtnUpPix[false], g, false );
    drawButtonBackground( ileftBtnDownPix[false], g, true );

    g = options()->colorGroup( ColorButtonBg, false );
    drawButtonBackground( irightBtnUpPix[true], g, false );
    drawButtonBackground( irightBtnDownPix[true], g, true );
    drawButtonBackground( irightBtnUpPix[false], g, false );
    drawButtonBackground( irightBtnDownPix[false], g, true );
}


void KDEDefaultHandler::freePixmaps()
{
    // Free button pixmaps
    if (rightBtnUpPix[true])
        delete rightBtnUpPix[true];
    if(rightBtnDownPix[true])
        delete rightBtnDownPix[true];
    if (irightBtnUpPix[true])
        delete irightBtnUpPix[true];
    if (irightBtnDownPix[true])
        delete irightBtnDownPix[true];

    if (leftBtnUpPix[true])
        delete leftBtnUpPix[true];
    if(leftBtnDownPix[true])
        delete leftBtnDownPix[true];
    if (ileftBtnUpPix[true])
        delete ileftBtnUpPix[true];
    if (ileftBtnDownPix[true])
        delete ileftBtnDownPix[true];

    if (rightBtnUpPix[false])
        delete rightBtnUpPix[false];
    if(rightBtnDownPix[false])
        delete rightBtnDownPix[false];
    if (irightBtnUpPix[false])
        delete irightBtnUpPix[false];
    if (irightBtnDownPix[false])
        delete irightBtnDownPix[false];

    if (leftBtnUpPix[false])
        delete leftBtnUpPix[false];
    if(leftBtnDownPix[false])
        delete leftBtnDownPix[false];
    if (ileftBtnUpPix[false])
        delete ileftBtnUpPix[false];
    if (ileftBtnDownPix[false])
        delete ileftBtnDownPix[false];

    // Title images
    if (titleBuffer)
        delete titleBuffer;
    if (titlePix)
        delete titlePix;
    if (aUpperGradient)
        delete aUpperGradient;
    if (iUpperGradient)
        delete iUpperGradient;

    // Sticky pin images
    if (pinUpPix)
        delete pinUpPix;
    if (ipinUpPix)
        delete ipinUpPix;
    if (pinDownPix)
        delete pinDownPix;
    if (ipinDownPix)
        delete ipinDownPix;
}


void KDEDefaultHandler::drawButtonBackground(KPixmap *pix,
        const QColorGroup &g, bool sunken)
{
    QPainter p;
    int w = pix->width();
    int h = pix->height();
    int x2 = w-1;
    int y2 = h-1;

    bool highcolor = useGradients && (QPixmap::defaultDepth() > 8);
    QColor c = g.background();

    // Fill the background with a gradient if possible
    if (highcolor)
        KPixmapEffect::gradient(*pix, c.light(130), c.dark(130),
                                KPixmapEffect::VerticalGradient);
    else
        pix->fill(c);

    p.begin(pix);
    // outer frame
    p.setPen(g.mid());
    p.drawLine(0, 0, x2, 0);
    p.drawLine(0, 0, 0, y2);
    p.setPen(g.light());
    p.drawLine(x2, 0, x2, y2);
    p.drawLine(0, x2, y2, x2);
    p.setPen(g.dark());
    p.drawRect(1, 1, w-2, h-2);
    p.setPen(sunken ? g.mid() : g.light());
    p.drawLine(2, 2, x2-2, 2);
    p.drawLine(2, 2, 2, y2-2);
    p.setPen(sunken ? g.light() : g.mid());
    p.drawLine(x2-2, 2, x2-2, y2-2);
    p.drawLine(2, x2-2, y2-2, x2-2);
}

QValueList< KDEDefaultHandler::BorderSize > KDEDefaultHandler::borderSizes() const
{ // the list must be sorted
  return QValueList< BorderSize >() << BorderNormal << BorderLarge <<
      BorderVeryLarge <<  BorderHuge << BorderVeryHuge << BorderOversized;
}


// ===========================================================================

KDEDefaultButton::KDEDefaultButton(KDEDefaultClient *parent, const char *name,
           bool largeButton, bool isLeftButton, bool isStickyButton,
           const unsigned char *bitmap, const QString& tip, const int realizeBtns )
    : QButton(parent->widget(), name)
{
    realizeButtons = realizeBtns;

    QToolTip::add( this, tip );
    setCursor( arrowCursor );
    setBackgroundMode( QWidget::NoBackground );
    setToggleButton( isStickyButton );

    isMouseOver = false;
    deco        = NULL;
    large       = largeButton;
    isLeft      = isLeftButton;
    isSticky    = isStickyButton;
    client      = parent;

    if (large)
       setFixedSize(normalTitleHeight, normalTitleHeight);
    else
       setFixedSize(toolTitleHeight, toolTitleHeight);

    if (bitmap)
        setBitmap(bitmap);
}


KDEDefaultButton::~KDEDefaultButton()
{
    if (deco)
        delete deco;
}


QSize KDEDefaultButton::sizeHint() const
{
   if ( large )
      return( QSize(normalTitleHeight, normalTitleHeight) );
   else
      return( QSize(toolTitleHeight, toolTitleHeight) );
}


void KDEDefaultButton::setBitmap(const unsigned char *bitmap)
{
    if (deco)
        delete deco;

    deco = new QBitmap(10, 10, bitmap, true);
    deco->setMask( *deco );
    repaint( false );
}


void KDEDefaultButton::drawButton(QPainter *p)
{
    if (!KDEDefault_initialized)
        return;

    if (deco) {
        // Fill the button background with an appropriate button image
        KPixmap btnbg;

        if (isLeft) {
            if (isDown())
                btnbg = client->isActive() ?
                            *leftBtnDownPix[large] : *ileftBtnDownPix[large];
            else
                btnbg = client->isActive() ?
                            *leftBtnUpPix[large] : *ileftBtnUpPix[large];
        } else {
            if (isDown())
                btnbg = client->isActive() ?
                            *rightBtnDownPix[large] : *irightBtnDownPix[large];
            else
                btnbg = client->isActive() ?
                            *rightBtnUpPix[large] : *irightBtnUpPix[large];
        }

        p->drawPixmap( 0, 0, btnbg );

    } else if ( isLeft ) {

        // Fill the button background with an appropriate color/gradient
        // This is for sticky and menu buttons
        KPixmap* grad = client->isActive() ? aUpperGradient : iUpperGradient;
        if (!grad) {
            QColor c = KDecoration::options()->color(ColorTitleBar, client->isActive());
            p->fillRect(0, 0, width(), height(), c );
        } else
            p->drawPixmap( 0, 0, *grad, 0,1, width(), height() );

    } else {
        // Draw a plain background for menus or sticky buttons on RHS
        QColor c = KDecoration::options()->color(ColorFrame, client->isActive());
        p->fillRect(0, 0, width(), height(), c);
    }


    // If we have a decoration bitmap, then draw that
    // otherwise we paint a menu button (with mini icon), or a sticky button.
    if( deco ) {
        // Select the appropriate button decoration color
        bool darkDeco = qGray( KDecoration::options()->color(
                isLeft? ColorTitleBar : ColorButtonBg,
                client->isActive()).rgb() ) > 127;

        if (isMouseOver)
            p->setPen( darkDeco ? Qt::darkGray : Qt::lightGray );
        else
            p->setPen( darkDeco ? Qt::black : Qt::white );

        int xOff = (width()-10)/2;
        int yOff = (height()-10)/2;
        p->drawPixmap(isDown() ? xOff+1: xOff, isDown() ? yOff+1 : yOff, *deco);

    } else {
        KPixmap btnpix;

        if (isSticky) {
            if (client->isActive())
                btnpix = isOn() ? *pinDownPix : *pinUpPix;
            else
                btnpix = isOn() ? *ipinDownPix : *ipinUpPix;
        } else
            btnpix = client->icon().pixmap( QIconSet::Small, QIconSet::Normal );

        // Intensify the image if required
        if (isMouseOver) {
                    btnpix = KPixmapEffect::intensity(btnpix, 0.8);
        }

        // Smooth scale the pixmap for small titlebars
        // This is slow, but we assume this isn't done too often
        if ( width() < 16 ) {
            btnpix.convertFromImage(btnpix.convertToImage().smoothScale(12, 12));
            p->drawPixmap( 0, 0, btnpix );
        }
        else
            p->drawPixmap( width()/2-8, height()/2-8, btnpix );
    }
}


// Make the protected member public
void KDEDefaultButton::turnOn( bool isOn )
{
    if ( isToggleButton() )
        setOn( isOn );
}


void KDEDefaultButton::enterEvent(QEvent *e)
{
    isMouseOver=true;
    repaint(false);
    QButton::enterEvent(e);
}


void KDEDefaultButton::leaveEvent(QEvent *e)
{
    isMouseOver=false;
    repaint(false);
    QButton::leaveEvent(e);
}


void KDEDefaultButton::mousePressEvent( QMouseEvent* e )
{
    last_button = e->button();
    QMouseEvent me( e->type(), e->pos(), e->globalPos(),
                    (e->button()&realizeButtons)?LeftButton:NoButton, e->state() );
    QButton::mousePressEvent( &me );
}


void KDEDefaultButton::mouseReleaseEvent( QMouseEvent* e )
{
    last_button = e->button();
    QMouseEvent me( e->type(), e->pos(), e->globalPos(),
                    (e->button()&realizeButtons)?LeftButton:NoButton, e->state() );
    QButton::mouseReleaseEvent( &me );
}


// ===========================================================================

KDEDefaultClient::KDEDefaultClient( KDecorationBridge* b, KDecorationFactory* f )
    : KDecoration( b, f ),
      m_closing(false)
{
}

void KDEDefaultClient::init()
{
    connect( this, SIGNAL( keepAboveChanged( bool )), SLOT( keepAboveChange( bool )));
    connect( this, SIGNAL( keepBelowChanged( bool )), SLOT( keepBelowChange( bool )));

    createMainWidget( WResizeNoErase | WStaticContents | WRepaintNoErase );
    widget()->installEventFilter( this );

    // No flicker thanks
    widget()->setBackgroundMode( QWidget::NoBackground );

    // Set button pointers to NULL so we can track things
    for(int i=0; i < KDEDefaultClient::BtnCount; i++)
        button[i] = NULL;

    // Finally, toolWindows look small
    if ( isTool() ) {
        titleHeight  = toolTitleHeight;
        largeButtons = false;
    }
    else {
        titleHeight  = normalTitleHeight;
        largeButtons = true;
    }

    // Pack the windowWrapper() window within a grid
    g = new QGridLayout(widget(), 0, 0, 0);
    g->setResizeMode(QLayout::FreeResize);
    g->addRowSpacing(0, 3);       // Top grab bar
    g->addRowSpacing(2, 1);       // line under titlebar
    if( isPreview())
        g->addWidget( new QLabel( i18n( "<b><center>KDE2 preview</center></b>" ), widget()), 3, 1);
    else
        g->addItem( new QSpacerItem( 0, 0 ), 3, 1); // no widget in the middle

    // without the next line, unshade flickers
    g->addItem( new QSpacerItem( 0, 0, QSizePolicy::Fixed,
                                 QSizePolicy::Expanding ) );
    g->setRowStretch(3, 10);      // Wrapped window

    // Determine the size of the lower grab bar
    spacer = new QSpacerItem(10,
            mustDrawHandle() ? grabBorderWidth : borderWidth,
            QSizePolicy::Expanding, QSizePolicy::Minimum);
    g->addItem(spacer, 4, 1);

    g->addColSpacing(0, borderWidth);
    g->addColSpacing(2, borderWidth);

    // Pack the titlebar HBox with items
    hb = new QBoxLayout(0, QBoxLayout::LeftToRight, 0, 0, 0 );
    hb->setResizeMode( QLayout::FreeResize );
    g->addLayout ( hb, 1, 1 );

    addClientButtons( options()->titleButtonsLeft() );
    titlebar = new QSpacerItem( 10, titleHeight, QSizePolicy::Expanding,
                                QSizePolicy::Minimum );
    hb->addItem(titlebar);
    hb->addSpacing(2);
    addClientButtons( options()->titleButtonsRight(), false );
}


void KDEDefaultClient::addClientButtons( const QString& s, bool isLeft )
{
    if (s.length() > 0)
        for(unsigned int i = 0; i < s.length(); i++) {
        switch( s[i].latin1() )
        {
            // Menu button
            case 'M':
                if (!button[BtnMenu])
                {
                    button[BtnMenu] = new KDEDefaultButton(this, "menu",
                            largeButtons, isLeft, false, NULL, i18n("Menu"), LeftButton|RightButton);
                    connect( button[BtnMenu], SIGNAL(pressed()),
                            this, SLOT(menuButtonPressed()) );
                    connect( button[BtnMenu], SIGNAL(released()),
                             this, SLOT(menuButtonReleased()));
                    hb->addWidget( button[BtnMenu] );
                }
                break;

            // Sticky button
            case 'S':
                if (!button[BtnSticky])
                {
                    button[BtnSticky] = new KDEDefaultButton(this, "sticky",
                            largeButtons, isLeft, true, NULL,
                                                        isOnAllDesktops()?i18n("Not on all desktops"):i18n("On all desktops"));
                    button[BtnSticky]->turnOn( isOnAllDesktops() );
                    connect( button[BtnSticky], SIGNAL(clicked()),
                            this, SLOT(toggleOnAllDesktops()) );
                    hb->addWidget( button[BtnSticky] );
                }
                break;

            // Help button
            case 'H':
                if( providesContextHelp() && (!button[BtnHelp]) )
                {
                    button[BtnHelp] = new KDEDefaultButton(this, "help",
                            largeButtons, isLeft, true, question_bits,
                            i18n("Help"));
                    connect( button[BtnHelp], SIGNAL( clicked() ),
                            this, SLOT( showContextHelp() ));
                    hb->addWidget( button[BtnHelp] );
                }
                break;

            // Minimize button
            case 'I':
                if ( (!button[BtnIconify]) && isMinimizable())
                {
                    button[BtnIconify] = new KDEDefaultButton(this, "iconify",
                            largeButtons, isLeft, true, iconify_bits,
                            i18n("Minimize"));
                    connect( button[BtnIconify], SIGNAL( clicked()),
                            this, SLOT(minimize()) );
                    hb->addWidget( button[BtnIconify] );
                }
                break;

            // Maximize button
            case 'A':
                if ( (!button[BtnMax]) && isMaximizable())
                {
                    button[BtnMax]  = new KDEDefaultButton(this, "maximize",
                            largeButtons, isLeft, true, maximize_bits,
                            i18n("Maximize"), LeftButton|MidButton|RightButton);
                    connect( button[BtnMax], SIGNAL( clicked()),
                            this, SLOT(slotMaximize()) );
                    hb->addWidget( button[BtnMax] );
                }
                break;

            // Close button
            case 'X':
                if (!button[BtnClose] && isCloseable())
                {
                    button[BtnClose] = new KDEDefaultButton(this, "close",
                            largeButtons, isLeft, true, close_bits,
                            i18n("Close"));
                    connect( button[BtnClose], SIGNAL( clicked()),
                            this, SLOT(closeWindow()) );
                    hb->addWidget( button[BtnClose] );
                }
                break;

            // Above button
            case 'F':
                if ( (!button[BtnAbove]))
                {
                    button[BtnAbove]  = new KDEDefaultButton(this, "above",
                            largeButtons, isLeft, true,
                                                        keepAbove() ? above_on_bits : above_off_bits,
                            i18n("Keep Above Others"));
                    connect( button[BtnAbove], SIGNAL( clicked()),
                            this, SLOT(slotAbove()) );
                    hb->addWidget( button[BtnAbove] );
                }
                break;

            // Below button
            case 'B':
                if ( (!button[BtnBelow]))
                {
                    button[BtnBelow]  = new KDEDefaultButton(this, "below",
                            largeButtons, isLeft, true,
                                                        keepBelow() ? below_on_bits : below_off_bits,
                            i18n("Keep Below Others"));
                    connect( button[BtnBelow], SIGNAL( clicked()),
                            this, SLOT(slotBelow()) );
                    hb->addWidget( button[BtnBelow] );
                }
                break;

            // Shade button
            case 'L':
                if ( (!button[BtnShade]) && isShadeable())
                {
                    button[BtnShade]  = new KDEDefaultButton(this, "shade",
                            largeButtons, isLeft, true,
                                                        isSetShade() ? shade_on_bits : shade_off_bits,
                            isSetShade() ? i18n( "Unshade" ) : i18n("Shade"));
                    connect( button[BtnShade], SIGNAL( clicked()),
                            this, SLOT(slotShade()) );
                    hb->addWidget( button[BtnShade] );
                }
                break;

            // Spacer item (only for non-tool windows)
            case '_':
                if ( !isTool() )
                    hb->addSpacing(borderWidth/2);
        }
    }
}

void KDEDefaultClient::reset( unsigned long )
{
    widget()->repaint();
}

bool KDEDefaultClient::mustDrawHandle() const 
{ 
    bool drawSmallBorders = !options()->moveResizeMaximizedWindows();
    if (drawSmallBorders && (maximizeMode() & MaximizeVertical)) {
        return false;
    } else {
        return showGrabBar && isResizable();
    }
}

void KDEDefaultClient::iconChange()
{
    if (button[BtnMenu] && button[BtnMenu]->isVisible())
        button[BtnMenu]->repaint(false);
}

void KDEDefaultClient::desktopChange()
{
    if (button[BtnSticky]) {
                bool on = isOnAllDesktops();
        button[BtnSticky]->turnOn(on);
        button[BtnSticky]->repaint(false);
                QToolTip::remove( button[BtnSticky] );
        QToolTip::add( button[BtnSticky], on ? i18n("Not on all desktops") : i18n("On all desktops"));
    }
}

void KDEDefaultClient::keepAboveChange( bool above )
{
    if (button[BtnAbove]) {
        button[BtnAbove]->setBitmap( above ? above_on_bits : above_off_bits );
        button[BtnAbove]->repaint(false);
    }
}

void KDEDefaultClient::keepBelowChange( bool below )
{
    if (button[BtnBelow]) {
        button[BtnBelow]->setBitmap( below ? below_on_bits : below_off_bits );
        button[BtnBelow]->repaint(false);
    }
}

void KDEDefaultClient::slotMaximize()
{
    maximize( button[BtnMax]->last_button );
}

void KDEDefaultClient::slotAbove()
{
    setKeepAbove( !keepAbove());
    button[BtnAbove]->turnOn(keepAbove());
    button[BtnAbove]->repaint(true);
}

void KDEDefaultClient::slotBelow()
{
    setKeepBelow( !keepBelow());
    button[BtnBelow]->turnOn(keepBelow());
    button[BtnBelow]->repaint(true);
}

void KDEDefaultClient::slotShade()
{
    setShade( !isSetShade());
    button[BtnShade]->setBitmap(isSetShade() ? shade_on_bits : shade_off_bits );
    button[BtnShade]->repaint(true);
}

void KDEDefaultClient::resizeEvent( QResizeEvent* e)
{
    doShape();
    calcHiddenButtons();

    if ( widget()->isShown())
    {
        widget()->update( widget()->rect());
#if 1 // what's the point of this, when paintEvent() repaints everything anyway?
        int dx = 0;
        int dy = 0;

        if ( e->oldSize().width() != width() )
           dx = 32 + QABS( e->oldSize().width() -  width() );

        if ( e->oldSize().height() != height() )
           dy = 8 + QABS( e->oldSize().height() -  height() );

        if ( dy )
           widget()->update( 0, height() - dy + 1, width(), dy );

        if ( dx )
        {
           widget()->update( width() - dx + 1, 0, dx, height() );
           widget()->update( QRect( QPoint(4,4), titlebar->geometry().bottomLeft() -
                    QPoint(1,0) ) );
           widget()->update( QRect( titlebar->geometry().topRight(), QPoint(width() - 4,
                          titlebar->geometry().bottom()) ) );
           // Titlebar needs no paint event
           QApplication::postEvent( widget(), new QPaintEvent(titlebar->geometry(),
                                     FALSE) );
        }
#endif
    }
}


void KDEDefaultClient::captionChange()
{
    widget()->repaint( titlebar->geometry(), false );
}


void KDEDefaultClient::paintEvent( QPaintEvent* )
{
    if (!KDEDefault_initialized)
        return;

    QColorGroup g;
    int offset;

    KPixmap* upperGradient = isActive() ? aUpperGradient : iUpperGradient;

    QPainter p(widget());

    // Obtain widget bounds.
    QRect r(widget()->rect());
    int x = r.x();
    int y = r.y();
    int x2 = r.width() - 1;
    int y2 = r.height() - 1;
    int w  = r.width();
    int h  = r.height();

    // Determine where to place the extended left titlebar
    int leftFrameStart = (h > 42) ? y+titleHeight+26: y+titleHeight;

    // Determine where to make the titlebar color transition
    r = titlebar->geometry();
    int rightOffset = r.x()+r.width()+1;

    // Create a disposable pixmap buffer for the titlebar
    // very early before drawing begins so there is no lag
    // during painting pixels.
    titleBuffer->resize( rightOffset-3, titleHeight+1 );

    // Draw an outer black frame
    p.setPen(Qt::black);
    p.drawRect(x,y,w,h);

    // Draw part of the frame that is the titlebar color
    g = options()->colorGroup(ColorTitleBar, isActive());
    p.setPen(g.light());
    p.drawLine(x+1, y+1, rightOffset-1, y+1);
    p.drawLine(x+1, y+1, x+1, leftFrameStart+borderWidth-4);

    // Draw titlebar colour separator line
    p.setPen(g.dark());
    p.drawLine(rightOffset-1, y+1, rightOffset-1, titleHeight+2);

    p.fillRect(x+2, y+titleHeight+3,
               borderWidth-4, leftFrameStart+borderWidth-y-titleHeight-8,
               options()->color(ColorTitleBar, isActive() ));

    // Finish drawing the titlebar extension
    p.setPen(Qt::black);
    p.drawLine(x+1, leftFrameStart+borderWidth-4, x+borderWidth-2, leftFrameStart-1);
    p.setPen(g.mid());
    p.drawLine(x+borderWidth-2, y+titleHeight+3, x+borderWidth-2, leftFrameStart-2);

    // Fill out the border edges
    g = options()->colorGroup(ColorFrame, isActive());
    p.setPen(g.light());
    p.drawLine(rightOffset, y+1, x2-1, y+1);
    p.drawLine(x+1, leftFrameStart+borderWidth-3, x+1, y2-1);
    p.setPen(g.dark());
    p.drawLine(x2-1, y+1, x2-1, y2-1);
    p.drawLine(x+1, y2-1, x2-1, y2-1);

    p.setPen(options()->color(ColorFrame, isActive()));
    QPointArray a;
    QBrush brush( options()->color(ColorFrame, isActive()), Qt::SolidPattern );
    p.setBrush( brush );                       // use solid, yellow brush
    a.setPoints( 4, x+2,             leftFrameStart+borderWidth-4,
                    x+borderWidth-2, leftFrameStart,
                    x+borderWidth-2, y2-2,
                    x+2,             y2-2);
    p.drawPolygon( a );
    p.fillRect(x2-borderWidth+2, y+titleHeight+3,
               borderWidth-3, y2-y-titleHeight-4,
               options()->color(ColorFrame, isActive() ));

    // Draw the bottom handle if required
    if (mustDrawHandle())
    {
        if(w > 50)
        {
            qDrawShadePanel(&p, x+1, y2-grabBorderWidth+2, 2*borderWidth+12, grabBorderWidth-2,
                            g, false, 1, &g.brush(QColorGroup::Mid));
            qDrawShadePanel(&p, x+2*borderWidth+13, y2-grabBorderWidth+2, w-4*borderWidth-26, grabBorderWidth-2,
                            g, false, 1, isActive() ?
                            &g.brush(QColorGroup::Background) :
                            &g.brush(QColorGroup::Mid));
            qDrawShadePanel(&p, x2-2*borderWidth-12, y2-grabBorderWidth+2, 2*borderWidth+12, grabBorderWidth-2,
                            g, false, 1, &g.brush(QColorGroup::Mid));
        } else
            qDrawShadePanel(&p, x+1, y2-grabBorderWidth+2, w-2, grabBorderWidth-2,
                            g, false, 1, isActive() ?
                            &g.brush(QColorGroup::Background) :
                            &g.brush(QColorGroup::Mid));
        offset = grabBorderWidth;
    } else
        {
            p.fillRect(x+2, y2-borderWidth+2, w-4, borderWidth-3,
                       options()->color(ColorFrame, isActive() ));
            offset = borderWidth;
        }

    // Draw a frame around the wrapped widget.
    p.setPen( g.dark() );
    p.drawRect( x+borderWidth-1, y+titleHeight+3, w-2*borderWidth+2, h-titleHeight-offset-2 );

    // Draw the title bar.
    r = titlebar->geometry();

    // Obtain titlebar blend colours
    QColor c1 = options()->color(ColorTitleBar, isActive() );
    QColor c2 = options()->color(ColorFrame, isActive() );

    // Fill with frame color behind RHS buttons
    p.fillRect( rightOffset, y+2, x2-rightOffset-1, titleHeight+1, c2);

    QPainter p2( titleBuffer, this );

    // Draw the titlebar gradient
    if (upperGradient)
        p2.drawTiledPixmap(0, 0, rightOffset-3, titleHeight+1, *upperGradient);
    else
        p2.fillRect(0, 0, rightOffset-3, titleHeight+1, c1);

    // Draw the title text on the pixmap, and with a smaller font
    // for toolwindows than the default.
    QFont fnt = options()->font(true);

    if ( isTool() )
       fnt.setPointSize( fnt.pointSize()-2 );  // Shrink font by 2pt

    p2.setFont( fnt );

    // Draw the titlebar stipple if active and available
    if (isActive() && titlePix)
    {
        QFontMetrics fm(fnt);
        int captionWidth = fm.width(caption());
        if (caption().isRightToLeft())
            p2.drawTiledPixmap( r.x(), 0, r.width()-captionWidth-4,
                                titleHeight+1, *titlePix );
        else
            p2.drawTiledPixmap( r.x()+captionWidth+3, 0, r.width()-captionWidth-4,
                                titleHeight+1, *titlePix );
    }

    p2.setPen( options()->color(ColorFont, isActive()) );
    p2.drawText(r.x(), 1, r.width()-1, r.height(),
        (caption().isRightToLeft() ? AlignRight : AlignLeft) | AlignVCenter,
        caption() );

    bitBlt( widget(), 2, 2, titleBuffer );

    p2.end();

    // Ensure a shaded window has no unpainted areas
    // Is this still needed?
#if 1
    p.setPen(c2);
    p.drawLine(x+borderWidth, y+titleHeight+4, x2-borderWidth, y+titleHeight+4);
#endif
}


void KDEDefaultClient::doShape()
{
    QRegion mask(QRect(0, 0, width(), height()));
    mask -= QRect(0, 0, 1, 1);
    mask -= QRect(width()-1, 0, 1, 1);
    mask -= QRect(0, height()-1, 1, 1);
    mask -= QRect(width()-1, height()-1, 1, 1);
    setMask(mask);
}


void KDEDefaultClient::showEvent(QShowEvent *)
{
    calcHiddenButtons();
    doShape();
}


void KDEDefaultClient::mouseDoubleClickEvent( QMouseEvent * e )
{
    if (titlebar->geometry().contains( e->pos() ) )
                titlebarDblClickOperation();
}


void KDEDefaultClient::maximizeChange()
{
    if (button[BtnMax]) {
                bool m = maximizeMode() == MaximizeFull;
        button[BtnMax]->setBitmap(m ? minmax_bits : maximize_bits);
                QToolTip::remove( button[ BtnMax ] );
                QToolTip::add( button[BtnMax], m ? i18n("Restore") : i18n("Maximize"));
    }
    spacer->changeSize(10, mustDrawHandle() ? 8 : 4,
            QSizePolicy::Expanding, QSizePolicy::Minimum);
    g->activate();
}


void KDEDefaultClient::activeChange()
{
    for(int i=KDEDefaultClient::BtnHelp; i < KDEDefaultClient::BtnCount; i++)
        if(button[i])
            button[i]->repaint(false);
    widget()->repaint(false);
}

void KDEDefaultClient::shadeChange()
{
    if (button[BtnShade]) {
                bool on = isShade();
        button[BtnShade]->turnOn(on);
        button[BtnShade]->repaint(false);
                QToolTip::remove( button[BtnShade] );
        QToolTip::add( button[BtnShade], on ? i18n("Unshade") : i18n("Shade"));
    }
}

QSize KDEDefaultClient::minimumSize() const
{
    return QSize( 100, 50 ); // FRAME
}

void KDEDefaultClient::resize( const QSize& s )
{
    widget()->resize( s );
}

void KDEDefaultClient::borders( int& left, int& right, int& top, int& bottom ) const
{ // FRAME
    left = right = borderWidth;
//    , y+titleHeight+3, w-6, h-titleHeight-offset-6 );
    top = titleHeight + 4;
    bottom = mustDrawHandle() ? grabBorderWidth : borderWidth;
}

// The hiding button while shrinking, show button while expanding magic
void KDEDefaultClient::calcHiddenButtons()
{
    // Hide buttons in this order:
    // Shade, Below, Above, Sticky, Help, Maximize, Minimize, Close, Menu.
    KDEDefaultButton* btnArray[] = { button[ BtnShade ], button[ BtnBelow ],
                        button[ BtnAbove ], button[BtnSticky], button[BtnHelp],
            button[BtnMax], button[BtnIconify], button[BtnClose],
            button[BtnMenu] };
        const int buttons_cnt = sizeof( btnArray ) / sizeof( btnArray[ 0 ] );

    int minwidth  = largeButtons ? 10 * normalTitleHeight : 10 * toolTitleHeight; // Start hiding at this width
    int btn_width = largeButtons ? normalTitleHeight : toolTitleHeight;
    int current_width = width();
    int count = 0;
    int i;

    // Find out how many buttons we need to hide.
    while (current_width < minwidth)
    {
        current_width += btn_width;
        count++;
    }

    // Bound the number of buttons to hide
    if (count > buttons_cnt) count = buttons_cnt;

    // Hide the required buttons...
    for(i = 0; i < count; i++)
    {
        if (btnArray[i] && btnArray[i]->isVisible() )
            btnArray[i]->hide();
    }

    // Show the rest of the buttons...
    for(i = count; i < buttons_cnt; i++)
    {
        if (btnArray[i] && (!btnArray[i]->isVisible()) )
            btnArray[i]->show();
    }
}


KDecoration::Position KDEDefaultClient::mousePosition( const QPoint& p ) const
{
    Position m = PositionCenter;

    int bottomSize = mustDrawHandle() ? grabBorderWidth : borderWidth;

    const int range = 14 + 3*borderWidth/2;

    if ( ( p.x() > borderWidth && p.x() < width() - borderWidth )
         && ( p.y() > 4 && p.y() < height() - bottomSize ) )
        m = PositionCenter;
    else if ( p.y() <= range && p.x() <= range)
        m = PositionTopLeft;
    else if ( p.y() >= height()-range && p.x() >= width()-range)
        m = PositionBottomRight;
    else if ( p.y() >= height()-range && p.x() <= range)
        m = PositionBottomLeft;
    else if ( p.y() <= range && p.x() >= width()-range)
        m = PositionTopRight;
    else if ( p.y() <= 4 )
        m = PositionTop;
    else if ( p.y() >= height()-bottomSize )
        m = PositionBottom;
    else if ( p.x() <= borderWidth )
        m = PositionLeft;
    else if ( p.x() >= width()-borderWidth )
        m = PositionRight;
    else
        m = PositionCenter;

    // Modify the mouse position if we are using a grab bar.
    if (mustDrawHandle())
        if (p.y() >= (height() - grabBorderWidth))
        {
            if (p.x() >= (width() - 2*borderWidth - 12))
                m = PositionBottomRight;
            else if (p.x() <= 2*borderWidth + 12)
                m = PositionBottomLeft;
            else
            m = PositionBottom;
        }

    return m;
}


// Make sure the menu button follows double click conventions set in kcontrol
void KDEDefaultClient::menuButtonPressed()
{
    static QTime t;
    static KDEDefaultClient* lastClient = NULL;
    bool dbl = ( lastClient == this && t.elapsed() <= QApplication::doubleClickInterval());
    lastClient = this;
    t.start();

    if (dbl)
    {
        m_closing = true;
        return;
    }

    QPoint menupoint ( button[BtnMenu]->rect().bottomLeft().x()-1,
                       button[BtnMenu]->rect().bottomLeft().y()+2 );
        KDecorationFactory* f = factory();
    QRect menuRect = button[BtnMenu]->rect();
    QPoint menutop = button[BtnMenu]->mapToGlobal(menuRect.topLeft());
    QPoint menubottom = button[BtnMenu]->mapToGlobal(menuRect.bottomRight());
    showWindowMenu(QRect(menutop, menubottom));
        if( !f->exists( this )) // 'this' was destroyed
            return;
    button[BtnMenu]->setDown(false);
}

void KDEDefaultClient::menuButtonReleased()
{
    if (m_closing)
        closeWindow();
}

const int SUPPORTED_WINDOW_TYPES_MASK = NET::NormalMask | NET::DesktopMask | NET::DockMask
    | NET::ToolbarMask | NET::MenuMask | NET::DialogMask | NET::OverrideMask | NET::TopMenuMask
    | NET::UtilityMask | NET::SplashMask;

bool KDEDefaultClient::isTool() const
{
    NET::WindowType type = windowType( SUPPORTED_WINDOW_TYPES_MASK );
    return type == NET::Toolbar || type == NET::Utility || type == NET::Menu;
}


bool KDEDefaultClient::eventFilter( QObject* o, QEvent* e )
{
    if( o != widget())
    return false;
    switch( e->type())
    {
    case QEvent::Resize:
        resizeEvent( static_cast< QResizeEvent* >( e ));
        return true;
    case QEvent::Paint:
        paintEvent( static_cast< QPaintEvent* >( e ));
        return true;
    case QEvent::MouseButtonDblClick:
        mouseDoubleClickEvent( static_cast< QMouseEvent* >( e ));
        return true;
    case QEvent::MouseButtonPress:
        processMousePressEvent( static_cast< QMouseEvent* >( e ));
        return true;
    case QEvent::Show:
        showEvent( static_cast< QShowEvent* >( e ));
        return true;
    default:
        break;
    }
    return false;
}


} // namespace

// Extended KWin plugin interface
extern "C" KDecorationFactory* create_factory()
{
    return new Default::KDEDefaultHandler();
}

#include "kdedefault.moc"
// vim: ts=4

This file is part of the documentation for kwin Library Version 3.3.0.

Documentation copyright © 1996-2004 the KDE developers.
Generated on Sat Sep 25 20:35:05 2004 by doxygen 1.3.8-20040913 written by Dimitri van Heesch, © 1997-2003