tools/qvfb/main.cpp
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the tools applications of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include "qvfb.h"
       
    43 
       
    44 #include <QApplication>
       
    45 #include <QRegExp>
       
    46 #include <stdlib.h>
       
    47 #include <stdio.h>
       
    48 #include <signal.h>
       
    49 #ifdef Q_WS_X11
       
    50 #include <QX11Info>
       
    51 #endif
       
    52 
       
    53 QT_BEGIN_NAMESPACE
       
    54 
       
    55 void fn_quit_qvfb(int)
       
    56 {
       
    57     // pretend that we have quit normally
       
    58     qApp->quit();
       
    59 }
       
    60 
       
    61 
       
    62 void usage( const char *app )
       
    63 {
       
    64     printf( "Usage: %s [-width width] [-height height] [-depth depth] [-zoom zoom]"
       
    65 	    "[-mmap] [-nocursor] [-qwsdisplay :id] [-x11display :id] [-skin skindirectory]\n"
       
    66 	    "Supported depths: 1, 4, 8, 12, 15, 16, 18, 24, 32\n", app );
       
    67 }
       
    68 int qvfb_protocol = 0;
       
    69 
       
    70 int runQVfb( int argc, char *argv[] )
       
    71 {
       
    72     Q_INIT_RESOURCE(qvfb);
       
    73 
       
    74     QApplication app( argc, argv );
       
    75 
       
    76     int width = 0;
       
    77     int height = 0;
       
    78     int depth = -32; // default, but overridable by skin
       
    79     bool depthSet = false;
       
    80     int rotation = 0;
       
    81     bool cursor = true;
       
    82     QVFb::DisplayType displayType = QVFb::QWS;
       
    83     double zoom = 1.0;
       
    84     QString displaySpec( ":0" );
       
    85     QString skin;
       
    86 
       
    87     for ( int i = 1; i < argc; i++ ){
       
    88 	QString arg = argv[i];
       
    89 	if ( arg == "-width" ) {
       
    90 	    width = atoi( argv[++i] );
       
    91 	} else if ( arg == "-height" ) {
       
    92 	    height = atoi( argv[++i] );
       
    93 	} else if ( arg == "-skin" ) {
       
    94 	    skin = argv[++i];
       
    95 	} else if ( arg == "-depth" ) {
       
    96 	    depth = atoi( argv[++i] );
       
    97 	    depthSet = true;
       
    98 	} else if ( arg == "-nocursor" ) {
       
    99 	    cursor = false;
       
   100 	} else if ( arg == "-mmap" ) {
       
   101 	    qvfb_protocol = 1;
       
   102 	} else if ( arg == "-zoom" ) {
       
   103 	    zoom = atof( argv[++i] );
       
   104 	} else if ( arg == "-qwsdisplay" ) {
       
   105 	    displaySpec = argv[++i];
       
   106 	    displayType = QVFb::QWS;
       
   107 #ifdef Q_WS_X11
       
   108 	} else if ( arg == "-x11display" ) {
       
   109 	    displaySpec = argv[++i];
       
   110 	    displayType = QVFb::X11;
       
   111 
       
   112 	    // Usually only the default X11 depth will work with Xnest,
       
   113 	    // so override the default of 32 with the actual X11 depth.
       
   114 	    if (!depthSet)
       
   115 		depth = -QX11Info::appDepth(); // default, but overridable by skin
       
   116 #endif
       
   117 	} else {
       
   118 	    printf( "Unknown parameter %s\n", arg.toLatin1().constData() );
       
   119 	    usage( argv[0] );
       
   120 	    exit(1);
       
   121 	}
       
   122     }
       
   123 
       
   124     int displayId = 0;
       
   125     QRegExp r( ":[0-9]+" );
       
   126     int m = r.indexIn( displaySpec, 0 );
       
   127     int len = r.matchedLength();
       
   128     if ( m >= 0 ) {
       
   129 	displayId = displaySpec.mid( m+1, len-1 ).toInt();
       
   130     }
       
   131     QRegExp rotRegExp( "Rot[0-9]+" );
       
   132     m = rotRegExp.indexIn( displaySpec, 0 );
       
   133     len = rotRegExp.matchedLength();
       
   134     if ( m >= 0 ) {
       
   135 	rotation = displaySpec.mid( m+3, len-3 ).toInt();
       
   136     }
       
   137 
       
   138     signal(SIGINT, fn_quit_qvfb);
       
   139     signal(SIGTERM, fn_quit_qvfb);
       
   140 
       
   141     QVFb mw( displayId, width, height, depth, rotation, skin, displayType );
       
   142     mw.setZoom(zoom);
       
   143     //app.setMainWidget( &mw );
       
   144     mw.enableCursor(cursor);
       
   145     mw.show();
       
   146 
       
   147     return app.exec();
       
   148 }
       
   149 
       
   150 QT_END_NAMESPACE
       
   151 
       
   152 int main( int argc, char *argv[] )
       
   153 {
       
   154     return QT_PREPEND_NAMESPACE(runQVfb)(argc, argv);
       
   155 }