workspace/kcontrol/kfontinst/kcmfontinst/FcQuery.cpp

   1 /*
   2  * KFontInst - KDE Font Installer
   3  *
   4  * Copyright 2003-2007 Craig Drummond <craig@kde.org>
   5  *
   6  * ----
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; see the file COPYING.  If not, write to
  20  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21  * Boston, MA 02110-1301, USA.
  22  */
  23
  24 #include "FcQuery.h"
  25 #include "Fc.h"
  26 #include <QtCore/QProcess>
  27 #include <stdio.h>
  28
  29 namespace KFI
  30 {
  31
  32 // key: 0(i)(s)
  33 static int getInt(const QString &str)
  34 {
  35     int rv=KFI_NULL_SETTING,
  36         start=str.lastIndexOf(':')+1,
  37         end=str.lastIndexOf("(i)(s)");
  38
  39     if(end>start)
  40         rv=str.mid(start, end-start).trimmed().toInt();
  41
  42     return rv;
  43 }
  44
  45 CFcQuery::~CFcQuery()
  46 {
  47 }
  48
  49 void CFcQuery::run(const QString &query)
  50 {
  51     QStringList args;
  52
  53     itsFile=itsFont=QString();
  54     itsBuffer=QByteArray();
  55
  56     if(itsProc)
  57         itsProc->kill();
  58     else
  59         itsProc=new QProcess(this);
  60
  61     args << "-v" << query;
  62
  63     connect(itsProc, SIGNAL(finished(int, QProcess::ExitStatus)), SLOT(procExited()));
  64     connect(itsProc, SIGNAL(readyReadStandardOutput()), SLOT(data()));
  65
  66     itsProc->start("fc-match", args);
  67 }
  68
  69 void CFcQuery::procExited()
  70 {
  71     QString     family;
  72     int         weight(KFI_NULL_SETTING), slant(KFI_NULL_SETTING), width(KFI_NULL_SETTING);
  73     QStringList results(QString::fromUtf8(itsBuffer, itsBuffer.length()).split('\n'));
  74
  75     if(results.size())
  76     {
  77         QStringList::ConstIterator it(results.begin()),
  78                                    end(results.end());
  79
  80         for(; it!=end; ++it)
  81         {
  82             QString line((*it).trimmed());
  83
  84             if(0==line.indexOf("file:"))  // file: "Wibble"(s)
  85             {
  86                 int endPos=line.indexOf("\"(s)");
  87
  88                 if(-1!=endPos)
  89                     itsFile=line.mid(7, endPos-7);
  90             }
  91             else if(0==line.indexOf("family:"))  // family: "Wibble"(s)
  92             {
  93                 int endPos=line.indexOf("\"(s)");
  94
  95                 if(-1!=endPos)
  96                     family=line.mid(9, endPos-9);
  97             }
  98             else if(0==line.indexOf("slant:"))  // slant: 0(i)(s)
  99                 slant=getInt(line);
 100             else if(0==line.indexOf("weight:"))  // weight: 0(i)(s)
 101                 weight=getInt(line);
 102             else if(0==line.indexOf("width:"))  // width: 0(i)(s)
 103                 width=getInt(line);
 104         }
 105     }
 106
 107     if(!family.isEmpty())
 108         itsFont=FC::createName(family, weight, width, slant);
 109
 110     emit finished();
 111 }
 112
 113 void CFcQuery::data()
 114 {
 115     itsBuffer+=itsProc->readAllStandardOutput();
 116 }
 117
 118 }
 119
 120 #include "FcQuery.moc"