本文整理汇总了C++中QFileDialog::setDirectoryUrl方法的典型用法代码示例。如果您正苦于以下问题：C++ QFileDialog::setDirectoryUrl方法的具体用法？C++ QFileDialog::setDirectoryUrl怎么用？C++ QFileDialog::setDirectoryUrl使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QFileDialog的用法示例。
在下文中一共展示了QFileDialog::setDirectoryUrl方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: pickFiles
void Transcribe::pickFiles() {
QFileDialog dlg;
// Unfortunately, Android doesn't really work with the concept of files,
// they are abstracted away. Since it would require a major effort to make
// this work in the Android way, we'll just try to make the best of it.
#ifdef Q_OS_ANDROID
// First see if we have storage permissions. We fail here if we don't have
// them and let the callback to the request popup call this method again.
if (!StoragePerm::instance()->tryPermission(std::bind(&Transcribe::pickFiles, this))) return;
// Make the QFileDialog a bit better by maximizing it.
dlg.setWindowState(Qt::WindowMaximized);
dlg.setViewMode(QFileDialog::List);
// Add the root and the internal memory location to the paths to choose
// from. There are no real standard paths for this, let's hope Qt knows
// what to do.
QUrl home_url = QUrl::fromLocalFile(QStandardPaths::standardLocations(QStandardPaths::GenericDataLocation).first());
dlg.setDirectoryUrl(home_url);
QList<QUrl> urls;
urls << QUrl::fromLocalFile("/");
urls << home_url;
dlg.setSidebarUrls(urls);
#endif
// Let the user pick an audio file
dlg.setWindowTitle(tr("Open an audio file"));
dlg.setNameFilter(tr("Audio files (*.wav *.mp3 *.aac *.amr *.aiff *.flac *.ogg *.wma, *.opus)"));
dlg.setFileMode(QFileDialog::ExistingFile);
dlg.setAcceptMode(QFileDialog::AcceptOpen);
if (dlg.exec() == QDialog::Rejected || dlg.selectedFiles().count() != 1) {
return;
}
m_restore_pos = 0;
openAudioFile(dlg.selectedFiles().at(0));
#ifdef Q_OS_ANDROID
QString audio_path = dlg.selectedFiles().at(0);
QString text_path;
// Check if the audio file is in our history
if (!m_history.textFileForAudio(audio_path, text_path)) {
// If not, create a new file in the app private folder based on the audio
// file name. If a text file with the name already exists, append a number
// to it.
QString base_name = QFileInfo(audio_path).baseName();
QDir home = QDir(QStandardPaths::writableLocation((QStandardPaths::AppDataLocation)));
text_path = home.filePath(base_name + ".txt");
short counter = 1;
while (QFile::exists(text_path)) {
text_path = home.filePath(QString("%1_%2.txt").arg(base_name).arg(counter, 2, 10, QChar('0')));
counter++;
}
}
openTextFile(text_path);
#else
// Recycle the file dialog to let the user pick a text file for the
// transcript. As a file suggestion, we base a txt file on the current audio
// file.
dlg.setWindowTitle(tr("Pick a text file for the transcript"));
dlg.setNameFilter(tr("Text files (*.txt)"));
dlg.setFileMode(QFileDialog::AnyFile);
dlg.setAcceptMode(QFileDialog::AcceptSave);
dlg.setOption(QFileDialog::DontConfirmOverwrite, true);
dlg.setLabelText(QFileDialog::Accept, tr("Open/Create"));
QFileInfo info(dlg.selectedFiles().at(0));
dlg.setDirectory(info.absolutePath());
dlg.selectFile(info.baseName() + ".txt");
if (dlg.exec() == QDialog::Rejected || dlg.selectedFiles().count() != 1) {
return;
}
openTextFile(dlg.selectedFiles().at(0));
#endif
// saveHistory() is called when the audio file has finished loading, but we
// need do it here as well because openTextFile() might return after the audio
// file has finished loading. The joys of concurrency ...
saveHistory();
}