initial commit to add video4linux camera app from qtopia 2, needs more work

1 files changed, 49 insertions, 0 deletions

diff --git a/library/global.cpp b/library/global.cpp
index ec87555..f7a0767 100644
--- a/library/global.cpp
+++ b/library/global.cpp
@@ -715,98 +715,147 @@ QString Global::stringQuote(const QString& s)
     r += "\"";
     return r;
 }
 
 /*!
   Finds all documents on the system's document directories which
   match the filter \a mimefilter, and appends the resulting DocLnk
   objects to \a folder.
 */
 void Global::findDocuments(DocLnkSet* folder, const QString &mimefilter)
 {
     QString homedocs = QString(getenv("HOME")) + "/Documents";
     DocLnkSet d(homedocs,mimefilter);
     folder->appendFrom(d);
     /** let's do intellegint way of searching these files
      *  a) the user don't want to check mediums global
      *  b) the user wants to check but use the global options for it
      *  c) the user wants to check it but not this medium
      *  d) the user wants to check and this medium as well
      *
      *  In all cases we need to apply a different mimefilter to
      *  the medium.
      *  a) mimefilter.isEmpty() we need to apply the responding filter
      *     either the global or the one on the medium
      *
      *  b) mimefilter is set to an application we need to find out if the
      *     mimetypes are included in the mime mask of the medium
      */
     StorageInfo storage;
     const QList<FileSystem> &fs = storage.fileSystems();
     QListIterator<FileSystem> it ( fs );
     for ( ; it.current(); ++it ) {
       if ( (*it)->isRemovable() ) { // let's find out  if we should search on it
         // this is a candidate look at the cf and see if we should search on it
         QString path = (*it)->path();
         Config conf((*it)->path() + "/.opiestorage.cf", Config::File );
         conf.setGroup("main");
         if (!conf.readBoolEntry("check",true)) {
             continue;
         }
         conf.setGroup("subdirs");
         if (conf.readBoolEntry("wholemedia",true)) {
             DocLnkSet ide( path,mimefilter);
             folder->appendFrom(ide);
         } else {
             QStringList subDirs = conf.readListEntry("subdirs",':');
             if (subDirs.isEmpty()) {
                 subDirs.append("Documents");
             }
             for (unsigned c = 0; c < subDirs.count();++c) {
                 DocLnkSet ide( path+"/"+subDirs[c], mimefilter );
                 folder->appendFrom(ide);
             }
         }
       } else if ( (*it)->disk() == "/dev/mtdblock6" || (*it)->disk() == "tmpfs" ) {
     QString path = (*it)->path() + "/Documents";
     DocLnkSet ide( path, mimefilter );
     folder->appendFrom(ide);
       }
     }
 }
 
 QStringList Global::languageList()
 {
     QString lang = getenv("LANG");
     QStringList langs;
     langs.append(lang);
     int i  = lang.find(".");
     if ( i > 0 )
     lang = lang.left( i );
     i = lang.find( "_" );
     if ( i > 0 )
     langs.append(lang.left(i));
     return langs;
 }
 
 QStringList Global::helpPath()
 {
     QString qpeDir = QPEApplication::qpeDir();
     QStringList path;
     QStringList langs = Global::languageList();
     for (QStringList::ConstIterator it = langs.fromLast(); it!=langs.end(); --it) {
     QString lang = *it;
     if ( !lang.isEmpty() )
         path += qpeDir + "/help/" + lang + "/html";
     }
     path += qpeDir + "/pics";
     path += qpeDir + "/help/html";
     /* we even put english into the en dir so try it as fallback as well for opie */
     path += qpeDir + "/help/en/html";
     path += qpeDir + "/docs";
 
 
     return path;
 }
 
+/*!
+  \internal
+  Truncate file to size specified
+  \a f must be an open file
+  \a size must be a positive value
+ */
+bool Global::truncateFile(QFile &f, int size){
+    if (!f.isOpen())
+      return FALSE;
+
+    return ::ftruncate(f.handle(), size) != -1;
+}
+
+
+
+
+// #if defined(Q_OS_UNIX) && defined(Q_WS_QWS)
+// extern int qws_display_id;
+// #endif
+
+/*!
+  /internal
+  Returns the default system path for storing temporary files.
+  Note: This does not it ensure that the provided directory exists
+*/
+QString Global::tempDir()
+{
+    QString result;
+#ifdef Q_OS_UNIX
+#ifdef Q_WS_QWS
+    result = QString("/tmp/qtopia-%1/").arg(QString::number(qws_display_id));
+#else
+    result="/tmp/";
+#endif
+#else
+    if (getenv("TEMP"))
+	result = getenv("TEMP");
+    else
+	result = getenv("TMP");
+
+    if (result[(int)result.length() - 1] != QDir::separator())
+	result.append(QDir::separator());
+#endif
+
+    return result;
+}
+
+//#endif
+
 
 #include "global.moc"