72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
#include "process_copy.h"
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#include "progresswidget.h"
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#include <QEventLoop>
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#include <QFile>
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#include <QMessageBox>
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#include <QTimer>
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#define BLKSIZE 512
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CopyProcess::CopyProcess(const QString &source, const QString &destination, ProgressWidget *progress):
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progress(progress),
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source(source),
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destination(destination),
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result(true)
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{
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}
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bool CopyProcess::run()
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{
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progress->lock(true);
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// progress->setInfo(tr("Copying file..."));
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QEventLoop loop;
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connect(this, SIGNAL(finished()), &loop, SLOT(quit()));
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QTimer::singleShot(500, this, SLOT(onTimer()));
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loop.exec();
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return result;
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}
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void CopyProcess::onTimer()
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{
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char buf[BLKSIZE];
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QFile sourceFile(source);
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int blocks = (sourceFile.size() + BLKSIZE - 1) / BLKSIZE;
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progress->setMaximum(blocks-1);
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if (sourceFile.open(QIODevice::ReadOnly)) {
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QFile destinationFile(destination);
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if (destinationFile.open(QIODevice::ReadWrite)) {
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// progress->addText(tr("Writing file: "));
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for (int i=0; i<blocks; i++) {
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int read = sourceFile.read(buf, BLKSIZE);
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if (destinationFile.write(buf, read) == read) {
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destinationFile.flush();
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progress->setValue(i);
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}
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else {
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QMessageBox::warning(NULL, tr("Error"), tr("Write error"));
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result = false;
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break;
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}
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}
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destinationFile.close();
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}
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else {
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QMessageBox::warning(NULL, tr("Error"),tr("Cannot write %1 (reason: %2)").arg(destinationFile.fileName()).arg(sourceFile.errorString()));
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result = false;
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}
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}
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else {
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QMessageBox::warning(NULL, tr("Error"),tr("Cannot open %1 (reason: %2)").arg(sourceFile.fileName()).arg(sourceFile.errorString()));
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result = false;
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}
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sourceFile.close();
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progress->lock(false);
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emit finished();
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}
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