/* static */
QStringList QIFileDialog::getOpenFileNames (const QString &aStartWith,
const QString &aFilters,
QWidget *aParent,
const QString &aCaption,
QString *aSelectedFilter /* = 0 */,
bool aResolveSymlinks /* = true */,
bool aSingleFile /* = false */)
{
/* It seems, running QFileDialog in separate thread is NOT needed under windows any more: */
#if defined (VBOX_WS_WIN) && (QT_VERSION < 0x040403)
/**
* QEvent class reimplementation to carry Win32 API native dialog's
* result folder information
*/
class GetOpenFileNameEvent : public OpenNativeDialogEvent
{
public:
enum { TypeId = QEvent::User + 3 };
GetOpenFileNameEvent (const QString &aResult)
: OpenNativeDialogEvent (aResult, (QEvent::Type) TypeId) {}
};
/**
* QThread class reimplementation to open Win32 API native file dialog
*/
class Thread : public QThread
{
public:
Thread (QWidget *aParent, QObject *aTarget,
const QString &aStartWith, const QString &aFilters,
const QString &aCaption) :
mParent (aParent), mTarget (aTarget),
mStartWith (aStartWith), mFilters (aFilters),
mCaption (aCaption) {}
virtual void run()
{
QString result;
QString workDir;
QString initSel;
QFileInfo fi (mStartWith);
if (fi.isDir())
workDir = mStartWith;
else
{
workDir = fi.absolutePath();
initSel = fi.fileName();
}
workDir = QDir::toNativeSeparators (workDir);
if (!workDir.endsWith ("\\"))
workDir += "\\";
QString title = mCaption.isNull() ? tr ("Select a file") : mCaption;
QWidget *topParent = windowManager().realParentWindow(mParent ? mParent : windowManager().mainWindowShown());
QString winFilters = winFilter (mFilters);
AssertCompile (sizeof (TCHAR) == sizeof (QChar));
TCHAR buf [1024];
if (initSel.length() > 0 && initSel.length() < sizeof (buf))
memcpy (buf, initSel.isNull() ? 0 : initSel.utf16(),
(initSel.length() + 1) * sizeof (TCHAR));
else
buf [0] = 0;
OPENFILENAME ofn;
memset (&ofn, 0, sizeof (OPENFILENAME));
ofn.lStructSize = sizeof (OPENFILENAME);
ofn.hwndOwner = topParent ? topParent->winId() : 0;
ofn.lpstrFilter = (TCHAR *)(winFilters.isNull() ? 0 : winFilters.utf16());
ofn.lpstrFile = buf;
ofn.nMaxFile = sizeof (buf) - 1;
ofn.lpstrInitialDir = (TCHAR *)(workDir.isNull() ? 0 : workDir.utf16());
ofn.lpstrTitle = (TCHAR *)(title.isNull() ? 0 : title.utf16());
ofn.Flags = (OFN_NOCHANGEDIR | OFN_HIDEREADONLY |
OFN_EXPLORER | OFN_ENABLEHOOK |
OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST);
ofn.lpfnHook = OFNHookProc;
if (GetOpenFileName (&ofn))
{
result = QString::fromUtf16 ((ushort *) ofn.lpstrFile);
}
// qt_win_eatMouseMove();
MSG msg = {0, 0, 0, 0, 0, 0, 0};
while (PeekMessage (&msg, 0, WM_MOUSEMOVE, WM_MOUSEMOVE, PM_REMOVE));
if (msg.message == WM_MOUSEMOVE)
PostMessage (msg.hwnd, msg.message, 0, msg.lParam);
result = result.isEmpty() ? result : QFileInfo (result).absoluteFilePath();
QApplication::postEvent (mTarget, new GetOpenFileNameEvent (result));
}
private:
QWidget *mParent;
QObject *mTarget;
QString mStartWith;
QString mFilters;
QString mCaption;
};
if (aSelectedFilter)
*aSelectedFilter = QString::null;
/* Local event loop to run while waiting for the result from another
* thread */
QEventLoop loop;
QString startWith = QDir::toNativeSeparators (aStartWith);
LoopObject loopObject ((QEvent::Type) GetOpenFileNameEvent::TypeId, loop);
if (aParent)
aParent->setWindowModality (Qt::WindowModal);
Thread openDirThread (aParent, &loopObject, startWith, aFilters, aCaption);
openDirThread.start();
loop.exec();
openDirThread.wait();
if (aParent)
aParent->setWindowModality (Qt::NonModal);
return QStringList() << loopObject.result();
#elif defined (VBOX_WS_X11) && (QT_VERSION < 0x040400)
/* Here is workaround for Qt4.3 bug with QFileDialog which crushes when
* gets initial path as hidden directory if no hidden files are shown.
* See http://trolltech.com/developer/task-tracker/index_html?method=entry&id=193483
* for details */
QFileDialog dlg (aParent);
dlg.setWindowTitle (aCaption);
dlg.setDirectory (aStartWith);
dlg.setFilter (aFilters);
if (aSingleFile)
dlg.setFileMode (QFileDialog::ExistingFile);
else
dlg.setFileMode (QFileDialog::ExistingFiles);
if (aSelectedFilter)
dlg.selectFilter (*aSelectedFilter);
dlg.setResolveSymlinks (aResolveSymlinks);
QAction *hidden = dlg.findChild <QAction*> ("qt_show_hidden_action");
if (hidden)
{
hidden->trigger();
hidden->setVisible (false);
}
return dlg.exec() == QDialog::Accepted ? dlg.selectedFiles() : QStringList() << QString::null;
#elif defined (VBOX_WS_MAC) && (QT_VERSION >= 0x040600) && (QT_VERSION < 0x050000)
/* After 4.5 exec ignores the Qt::Sheet flag.
* See "New Ways of Using Dialogs" in http://doc.trolltech.com/qq/QtQuarterly30.pdf why.
* We want the old behavior for file-save dialog. Unfortunately there is a bug in Qt 4.5.x
* which result in showing the native & the Qt dialog at the same time. */
QFileDialog dlg(aParent);
dlg.setWindowTitle(aCaption);
/* Some predictive algorithm which seems missed in native code. */
QDir dir(aStartWith);
while (!dir.isRoot() && !dir.exists())
dir = QDir(QFileInfo(dir.absolutePath()).absolutePath());
const QString strDirectory = dir.absolutePath();
if (!strDirectory.isNull())
dlg.setDirectory(strDirectory);
if (strDirectory != aStartWith)
dlg.selectFile(QFileInfo(aStartWith).absoluteFilePath());
dlg.setNameFilter(aFilters);
if (aSingleFile)
dlg.setFileMode(QFileDialog::ExistingFile);
else
dlg.setFileMode(QFileDialog::ExistingFiles);
if (aSelectedFilter)
dlg.selectFilter(*aSelectedFilter);
dlg.setResolveSymlinks(aResolveSymlinks);
QEventLoop eventLoop;
QObject::connect(&dlg, SIGNAL(finished(int)),
&eventLoop, SLOT(quit()));
dlg.open();
eventLoop.exec();
return dlg.result() == QDialog::Accepted ? dlg.selectedFiles() : QStringList() << QString();
#else
QFileDialog::Options o;
if (!aResolveSymlinks)
o |= QFileDialog::DontResolveSymlinks;
# if defined (VBOX_WS_X11)
/** @todo see http://bugs.kde.org/show_bug.cgi?id=210904, make it conditional
* when this bug is fixed (xtracker 5167)
* Apparently not necessary anymore (xtracker 5748)! */
// if (vboxGlobal().isKWinManaged())
// o |= QFileDialog::DontUseNativeDialog;
# endif
if (aSingleFile)
return QStringList() << QFileDialog::getOpenFileName (aParent, aCaption, aStartWith,
aFilters, aSelectedFilter, o);
else
return QFileDialog::getOpenFileNames (aParent, aCaption, aStartWith,
aFilters, aSelectedFilter, o);
#endif
}
