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/**
 * This file is part of the KDE project
 *
 * Copyright (C) 2003 Stephan Kulow (coolo@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., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */

#include "ecma/kjs_proxy.h"
#define QT_NO_XRANDR 1
#define QT_NO_XFTFREETYPE 1
#include <private/qfontengine_p.h>
#include <tqfontdatabase.h>
#include <tqfont.h>
#include <tqpainter.h>
#include "tdehtml_settings.h"
#include <tqwidget.h>
#include <assert.h>

class QFakeFontEngine : public QFontEngineXLFD
{
    bool ahem;
    int  pixS;
public:
    QFakeFontEngine( XFontStruct *fs, const char *name, int size );
    ~QFakeFontEngine();

    int leading() const
    {
        if (ahem)
            return 0;
        else
            return QFontEngineXLFD::leading();
    }

    void draw( TQPainter *p, int x, int y, const QTextEngine *engine, const QScriptItem *si, int textFlags )
    {
        //Sometimes X misrounds stuff for larger ahem, so we have to do it ourselves.
        if (!ahem || (si->analysis.bidiLevel & 1) ) //We're fine if not ahem or bidi.
            return QFontEngineXLFD::draw(p, x, y, engine, si, textFlags);

        glyph_t* gl = engine->glyphs(si);
        for (int pos = 0; pos < si->num_glyphs; ++pos)
        {
            switch (gl[pos])
            {
            case ' ':
                break;
            case 'p':
                //Below the baseline, including it
                p->fillRect(x, y, pixS, descent() + 1, p->pen().color());
                break;
            case 0xC9:
                //Above the baseline
                p->fillRect(x, y - ascent(), pixS, ascent(), p->pen().color());
                break;
            default:
                //Whole block
                p->fillRect(x, y - ascent(), pixS, pixS,  p->pen().color());
            }
            x += pixS;
        }
    }

#if 0
    virtual glyph_metrics_t boundingBox( const glyph_t *glyphs,
                                         const advance_t *advances, const qoffset_t *offsets, int numGlyphs );
    glyph_metrics_t boundingBox( glyph_t glyph );

    QFontEngine::Error stringToCMap( const TQChar *, int len, glyph_t *glyphs, advance_t *advances, int *nglyphs, bool ) const;

    int ascent() const;
    int descent() const;
    int leading() const;
    int maxCharWidth() const;
    int minLeftBearing() const { return 0; }
    int minRightBearing() const { return 0; }
    int cmap() const;
#endif
    bool canRender( const TQChar *string,  int len );
};

QFakeFontEngine::QFakeFontEngine( XFontStruct *fs, const char *name, int size )
    : QFontEngineXLFD( fs,  name,  0)
{
    pixS = size;
    ahem = TQString::fromLatin1(name).contains("ahem");
}

QFakeFontEngine::~QFakeFontEngine()
{
}
#if 0
QFontEngine::Error QFakeFontEngine::stringToCMap( const TQChar *str, int len, glyph_t *glyphs, advance_t *advances, int *nglyphs, bool mirrored) const
{
    QFontEngine::Error ret = QFontEngineXLFD::stringToCMap( str, len, glyphs, advances, nglyphs, mirrored );

    if ( ret != NoError )
        return ret;

    *nglyphs = len;

    if ( advances ) {
        for ( int i = 0; i < len; i++ )
            *(advances++) = _size;
    }
    return NoError;
}

glyph_metrics_t QFakeFontEngine::boundingBox( const glyph_t *, const advance_t *, const qoffset_t *, int numGlyphs )
{
    glyph_metrics_t overall;
    overall.x = overall.y = 0;
    overall.width = _size*numGlyphs;
    overall.height = _size;
    overall.xoff = overall.width;
    overall.yoff = 0;
    return overall;
}

glyph_metrics_t QFakeFontEngine::boundingBox( glyph_t )
{
    return glyph_metrics_t( 0, _size, _size, _size, _size, 0 );
}

int QFakeFontEngine::ascent() const
{
    return _size;
}

int QFakeFontEngine::descent() const
{
    return 0;
}

int QFakeFontEngine::leading() const
{
    // the original uses double and creates quite random results depending
    // on the compiler flags
    int l = ( _size * 15 + 50) / 100;
    // only valid on i386 without -O2 assert(l == int(tqRound(_size * 0.15)));
    return (l > 0) ? l : 1;
}

int QFakeFontEngine::maxCharWidth() const
{
    return _size;
}

int QFakeFontEngine::cmap() const
{
    return -1;
}

#endif
bool QFakeFontEngine::canRender( const TQChar *, int )
{
    return true;
}

static TQString courier_pickxlfd( int pixelsize, bool italic, bool bold )
{
    if ( pixelsize >= 24 )
        pixelsize = 24;
    else if ( pixelsize >= 18 )
        pixelsize = 18;
    else if ( pixelsize >= 12 )
        pixelsize = 12;
    else
        pixelsize = 10;

    return TQString( "-adobe-courier-%1-%2-normal--%3-*-75-75-m-*-iso10646-1" ).arg( bold ? "bold" : "medium" ).arg( italic ? "o" : "r" ).arg( pixelsize );
}

static TQString ahem_pickxlfd( int pixelsize )
{
    return TQString( "-misc-ahem-medium-r-normal--%1-*-100-100-c-*-iso10646-1" ).arg( pixelsize );
}

static TQString helv_pickxlfd( int pixelsize, bool italic, bool bold )
{
    if ( pixelsize >= 24 )
        pixelsize = 24;
    else if ( pixelsize >= 18 )
        pixelsize = 18;
    else if ( pixelsize >= 12 )
        pixelsize = 12;
    else
        pixelsize = 10;

    return TQString( "-adobe-helvetica-%1-%2-normal--%3-*-75-75-p-*-iso10646-1" ).arg( bold ? "bold" : "medium" ).arg( italic ? "o" : "r" ).arg( pixelsize );

}

KDE_EXPORT QFontEngine *
TQFontDatabase::findFont( TQFont::Script script, const QFontPrivate *fp,
			 const QFontDef &request, int )
{
    TQString xlfd;
    TQString family = request.family.lower();
    if ( family == "adobe courier" || family == "courier" || family == "fixed" ) {
        xlfd = courier_pickxlfd( request.pixelSize, request.italic, request.weight > 50 );
    }
    else if ( family == "times new roman" || family == "times" )
        xlfd = "-adobe-times-medium-r-normal--8-80-75-75-p-44-iso10646-1";
    else if ( family == "ahem" )
        xlfd = ahem_pickxlfd( request.pixelSize );
    else
        xlfd = helv_pickxlfd( request.pixelSize, request.italic, request.weight > 50 );

    QFontEngine *fe = 0;

    XFontStruct *xfs;
    xfs = XLoadQueryFont(TQPaintDevice::x11AppDisplay(), xlfd.latin1() );
    if (!xfs) // as long as you don't do screenshots, it's maybe fine
	tqFatal("we need some fonts. So make sure you have %s installed.", xlfd.latin1());

    unsigned long value;
    if ( !XGetFontProperty( xfs, XA_FONT, &value ) )
        return 0;

    char *n = XGetAtomName( TQPaintDevice::x11AppDisplay(), value );
    xlfd = n;
    if ( n )
        XFree( n );

    fe = new QFakeFontEngine( xfs, xlfd.latin1(),request.pixelSize );

    // tqDebug("fe %s ascent %d descent %d minLeftBearing %d leading %d maxCharWidth %d minRightBearing %d", xlfd.latin1(), fe->ascent(), fe->descent(), fe->minLeftBearing(), fe->leading(), fe->maxCharWidth(), fe->minRightBearing());

    // fe->setScale( scale );

    QFontCache::Key key( request, script, fp->screen
#if TQT_VERSION >= 0x030308
                         , fp->paintdevice
#endif
                         );
    QFontCache::instance->insertEngine( key, fe );
    return fe;
}

KDE_EXPORT bool TQFontDatabase::isBitmapScalable( const TQString &,
				      const TQString &) const
{
    return true;
}

KDE_EXPORT bool  TQFontDatabase::isSmoothlyScalable( const TQString &,
                                         const TQString &) const
{
    return true;
}

const TQString &TDEHTMLSettings::availableFamilies()
{
    if ( !avFamilies ) {
        avFamilies = new TQString;
        *avFamilies = ",Adobe Courier,Arial,Comic Sans MS,Courier,Helvetica,Times,Times New Roman,Utopia,Fixed,Ahem,";
    }

  return *avFamilies;
}

bool TDEHTMLSettings::unfinishedImageFrame() const
{
  return false;
}

KDE_EXPORT int TQPaintDevice::x11AppDpiY( int )
{
    return 100;
}

KDE_EXPORT int TQPaintDevice::x11AppDpiX( int )
{
    return 100;
}

KDE_EXPORT void TQFont::insertSubstitution(const TQString &,
                               const TQString &)
{
}

KDE_EXPORT void TQFont::insertSubstitutions(const TQString &,
                                const TQStringList &)
{
}

#include <kprotocolinfo.h>
bool KProtocolInfo::isKnownProtocol( const TQString& _protocol )
{
    return ( _protocol == "file" );
}

#include <kprotocolinfofactory.h>

TQString KProtocolInfo::exec( const TQString& _protocol )
{
    if ( _protocol != "file" )
        return TQString::null;

    KProtocolInfo::Ptr prot = KProtocolInfoFactory::self()->findProtocol(_protocol);
    if ( !prot )
        return TQString::null;

    return prot->m_exec;
}

#include <dcopclient.h>

bool DCOPClient::attach()
{
    return false;
}

bool DCOPClient::isAttached() const
{
    return false;
}

void DCOPClient::processSocketData( int )
{
}

#include <tqapplication.h>
#include <tqpalette.h>

KDE_EXPORT void TQApplication::setPalette( const TQPalette &, bool ,
                               const char*  )
{
    static bool done = false;
    if (done) return;
    TQString xlfd = ahem_pickxlfd(40);
    XFontStruct *xfs;
    xfs = XLoadQueryFont(TQPaintDevice::x11AppDisplay(), xlfd.latin1() );
    if (!xfs) // as long as you don't do screenshots, it's maybe fine
	tqFatal("We will need some fonts. So make sure you have %s installed.", xlfd.latin1());
    XFreeFont(TQPaintDevice::x11AppDisplay(), xfs);
    done = true;
}

#include <tdeapplication.h>
void TDEApplication::dcopFailure( const TQString & )
{
    tqDebug( "TDEApplication::dcopFailure" );
}

#include <tdeparts/historyprovider.h>

bool KParts::HistoryProvider::contains( const TQString& t ) const
{
    return ( t == "http://www.kde.org/" || t == "http://www.google.com/");
}


bool KJSCPUGuard::confirmTerminate()
{
    return false;
}

#include <ksslsettings.h>

bool KSSLSettings::warnOnEnter() const       { return false; }
bool KSSLSettings::warnOnUnencrypted() const { return false; }
bool KSSLSettings::warnOnLeave() const       { return false; }

#include <tdeparts/plugin.h>

KParts::Plugin* KParts::Plugin::loadPlugin( TQObject * parent, const char* libname ) { return 0; }