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#include "qvfb.h"

#include <QApplication>

#include <QRegExp>

#include <stdlib.h>

#include <stdio.h>

#include <signal.h>

#ifdef Q_WS_X11

#include <QX11Info>

#endif

QT_BEGIN_NAMESPACE

void fn_quit_qvfb(int)

{

    // pretend that we have quit normally

    qApp->quit();

}

void usage( const char *app )

{

    printf( "Usage: %s [-width width] [-height height] [-depth depth] [-zoom zoom]"

	    "[-mmap] [-nocursor] [-qwsdisplay :id] [-x11display :id] [-skin skindirectory]\n"

	    "Supported depths: 1, 4, 8, 12, 15, 16, 18, 24, 32\n", app );

}

int qvfb_protocol = 0;

int runQVfb( int argc, char *argv[] )

{

    Q_INIT_RESOURCE(qvfb);

    QApplication app( argc, argv );

    int width = 0;

    int height = 0;

    int depth = -32; // default, but overridable by skin

    bool depthSet = false;

    int rotation = 0;

    bool cursor = true;

    QVFb::DisplayType displayType = QVFb::QWS;

    double zoom = 1.0;

    QString displaySpec( ":0" );

    QString skin;

    for ( int i = 1; i < argc; i++ ){

	QString arg = argv[i];

	if ( arg == "-width" ) {

	    width = atoi( argv[++i] );

	} else if ( arg == "-height" ) {

	    height = atoi( argv[++i] );

	} else if ( arg == "-skin" ) {

	    skin = argv[++i];

	} else if ( arg == "-depth" ) {

	    depth = atoi( argv[++i] );

	    depthSet = true;

	} else if ( arg == "-nocursor" ) {

	    cursor = false;

	} else if ( arg == "-mmap" ) {

	    qvfb_protocol = 1;

	} else if ( arg == "-zoom" ) {

	    zoom = atof( argv[++i] );

	} else if ( arg == "-qwsdisplay" ) {

	    displaySpec = argv[++i];

	    displayType = QVFb::QWS;

#ifdef Q_WS_X11

	} else if ( arg == "-x11display" ) {

	    displaySpec = argv[++i];

	    displayType = QVFb::X11;

	    // Usually only the default X11 depth will work with Xnest,

	    // so override the default of 32 with the actual X11 depth.

	    if (!depthSet)

		depth = -QX11Info::appDepth(); // default, but overridable by skin

#endif

	} else {

	    printf( "Unknown parameter %s\n", arg.toLatin1().constData() );

	    usage( argv[0] );

	    exit(1);

	}

    }

    int displayId = 0;

    QRegExp r( ":[0-9]+" );

    int m = r.indexIn( displaySpec, 0 );

    int len = r.matchedLength();

    if ( m >= 0 ) {

	displayId = displaySpec.mid( m+1, len-1 ).toInt();

    }

    QRegExp rotRegExp( "Rot[0-9]+" );

    m = rotRegExp.indexIn( displaySpec, 0 );

    len = rotRegExp.matchedLength();

    if ( m >= 0 ) {

	rotation = displaySpec.mid( m+3, len-3 ).toInt();

    }

    signal(SIGINT, fn_quit_qvfb);

    signal(SIGTERM, fn_quit_qvfb);

    QVFb mw( displayId, width, height, depth, rotation, skin, displayType );

    mw.setZoom(zoom);

    //app.setMainWidget( &mw );

    mw.enableCursor(cursor);

    mw.show();

    return app.exec();

}

QT_END_NAMESPACE

int main( int argc, char *argv[] )

{

    return QT_PREPEND_NAMESPACE(runQVfb)(argc, argv);

}