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#include <qobject.h>
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#include <qmessagebox.h>
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#include <iostream>
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#include "file.h"
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#include "process.h"
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QString maskPath(QString p)
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{
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// Change " " to "\ " to enable blanks in filenames
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p=p.replace(QChar('&'),"\\&");
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return p.replace(QChar(' '),"\\ ");
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}
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QString convertToRel (const QString &src, const QString &dst)
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{
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QString s=src;
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QString d=dst;
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int i;
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if (s==d)
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{
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// Special case, we just need the name of the file,
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// not the complete path
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i=d.findRev ("/");
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d=d.right (d.length()-i-1);
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} else
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{
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// Find relative path from src to dst
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// Remove the first "/"
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if (s.section ("/",0,0).isEmpty())
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{
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s=s.right (s.length()-1);
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d=d.right (d.length()-1);
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}
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// remove identical left parts
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while (s.section("/",0,0) == d.section("/",0,0) )
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{
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i=s.find ("/");
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s=s.right (s.length()-i-1);
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d=d.right (d.length()-i-1);
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}
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int srcsep=s.contains("/");
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int dstsep=d.contains("/");
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if (srcsep >= dstsep )
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{
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// find path to go up first and then back to dst
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i=1;
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while (i<=srcsep)
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{
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d="../"+d;
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i++;
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}
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}
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}
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return d;
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}
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QString makeUniqueDir (QString s)
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{
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// Create unique directory e.g. s="/tmp/vym-XXXXXX"
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// Convert QString to string first
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char *p;
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int bytes=s.length();
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p=(char*) malloc (bytes+1);
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int i;
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for (i=0;i<bytes;i++)
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p[i]=s.at(i).latin1();
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p[bytes]=0;
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QString r=mkdtemp (p);
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free (p);
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return r;
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}
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void removeDir(QDir d)
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{
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if (d.path().left(4)!="/tmp")
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{
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// This _should_ not be necessary, but proved to be useful ;-)
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qWarning ("file.cpp::removeDir should remove "+d.path()+" - aborted.");
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return;
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}
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// Traverse directories
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d.setFilter( QDir::Dirs| QDir::Hidden | QDir::NoSymLinks );
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const QFileInfoList *dirlist = d.entryInfoList();
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QFileInfoListIterator itdir( *dirlist );
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QFileInfo *fi;
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while ( (fi = itdir.current()) != 0 )
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{
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if (fi->fileName() != "." && fi->fileName() != ".." )
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{
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if ( !d.cd(fi->fileName()) )
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qWarning ("removeDir() cannot find the directory "+fi->fileName());
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else
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{
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// Recursively remove subdirs
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removeDir (d);
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d.cdUp();
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}
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}
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++itdir;
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}
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// Traverse files
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d.setFilter( QDir::Files| QDir::Hidden | QDir::NoSymLinks );
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const QFileInfoList *filelist = d.entryInfoList();
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QFileInfoListIterator itfile( *filelist );
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while ( (fi = itfile.current()) != 0 )
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{
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QFile (fi->filePath()).remove();
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++itfile;
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}
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if (!d.rmdir(d.path()))
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qWarning ("removeDir("+d.path()+") failed!");
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}
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void makeSubDirs (const QString &s)
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{
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QDir d(s);
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d.mkdir(s);
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d.mkdir ("images");
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d.mkdir ("flags");
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}
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ErrorCode zipDir (const QDir &zipDir, const QString &zipName)
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{
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ErrorCode err=success;
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// zip the temporary directory
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Process *zipProc=new Process ();
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zipProc->clearArguments();
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zipProc->setWorkingDirectory (QDir(zipDir));
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zipProc->addArgument ("zip");
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zipProc->addArgument ("-r");
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zipProc->addArgument (zipName);
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zipProc->addArgument (".");
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if (!zipProc->start() )
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{
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// zip could not be started
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QMessageBox::critical( 0, QObject::tr( "Critical Error" ),
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QObject::tr("Couldn't start zip to compress data."));
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err=aborted;
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} else
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{
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// zip could be started
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zipProc->waitFinished();
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if (!zipProc->normalExit() )
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{
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QMessageBox::critical( 0, QObject::tr( "Critical Error" ),
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QObject::tr("zip didn't exit normally")+
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"\n" + zipProc->getErrout());
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err=aborted;
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} else
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{
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if (zipProc->exitStatus()>0)
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{
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QMessageBox::critical( 0, QObject::tr( "Critical Error" ),
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QString("zip exit code: %1").arg(zipProc->exitStatus() )+
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"\n" + zipProc->getErrout() );
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err=aborted;
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}
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}
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} // zip could be started
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return err;
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}
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ErrorCode unzipDir (const QDir &zipDir, const QString &zipName)
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{
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ErrorCode err=success;
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// Try to unzip file
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Process *zipProc=new Process ();
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zipProc->clearArguments();
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zipProc->setWorkingDirectory (zipDir);
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zipProc->addArgument ("unzip");
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zipProc->addArgument ("-o"); // overwrite existing files!
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zipProc->addArgument (zipName );
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zipProc->addArgument ("-d");
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zipProc->addArgument (zipDir.path());
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if (!zipProc->start() )
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{
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QMessageBox::critical( 0, QObject::tr( "Critical Error" ),
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QObject::tr("Couldn't start unzip to decompress data."));
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err=aborted;
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} else
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{
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zipProc->waitFinished();
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if (!zipProc->normalExit() )
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{
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QMessageBox::critical( 0,QObject::tr( "Critical Error" ),
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QObject::tr("unzip didn't exit normally") +
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zipProc->getErrout() );
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err=aborted;
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} else
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{
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if (zipProc->exitStatus()>0)
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{
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if (zipProc->exitStatus()==9)
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// no zipped file, but maybe .xml or old version? Try again.
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err=nozip;
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else
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{
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QMessageBox::critical( 0, QObject::tr( "Critical Error" ),
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QString("unzip exit code: %1").arg(zipProc->exitStatus() ) +
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zipProc->getErrout() );
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err=aborted;
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}
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}
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}
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}
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return err;
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}
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bool loadStringFromDisk (const QString &fname, QString &s)
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{
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s="";
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QFile file ( fname);
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if ( !file.open( IO_ReadOnly ) ) return false;
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QTextStream ts( &file );
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ts.setEncoding (QTextStream::UnicodeUTF8);
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while ( !ts.atEnd() )
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s+=ts.readLine()+"\n";
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file.close();
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return true;
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}
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bool saveStringToDisk (const QString &fname, const QString &s)
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{
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QFile file( fname);
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file.setName ( fname);
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if ( !file.open( IO_WriteOnly ) )
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{
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file.close();
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return false;
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}
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// Write it finally, and write in UTF8, no matter what
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QTextStream ts( &file );
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ts.setEncoding (QTextStream::UnicodeUTF8);
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ts << s;
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file.close();
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return true;
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}
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ImagePreview::ImagePreview (QWidget *par=0): QLabel (par)
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{
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fdia=(QFileDialog*)par;
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}
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void ImagePreview::previewUrl( const QUrl &u )
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{
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QString path = u.path();
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QPixmap pix( path );
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if ( pix.isNull() )
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{
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// Strange: If we have fd->setMode (QFileDialog::ExistingFiles)
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// in the filedialog, then there are 3 calls to previewURL
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// for each selection. And only the first is the actual selected file
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// while the following 2 point to the directory above the current one.
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// So here's my workaround:
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if (fdia && fdia->selectedFiles().count()==0)
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setText( QObject::tr("This is not an image.") );
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if (fdia &&fdia->selectedFiles().count()>1)
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setText( QObject::tr("Sorry, no preview for\nmultiple selected files.") );
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}
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else
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{
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float max_w=300;
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float max_h=300;
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float r;
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if (pix.width()>max_w)
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{
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r=max_w / pix.width();
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pix.resize(qRound(pix.width()*r), qRound(pix.height()*r));
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// FIXME not a resize, but a shrink/enlarge is needed here...
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}
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if (pix.height()>max_h)
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{
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r=max_h / pix.height();
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pix.resize(qRound(pix.width()*r), qRound(pix.height()*r));
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// FIXME not a resize, but a shrink/enlarge is needed here...
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}
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setPixmap( pix );
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}
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}
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