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bugfix for windows: trying to open files stored on network drives relied on QFileInfo::isWritable() without using the real filesystem checks

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This commit is contained in:
Mathias Gumz
2009-04-09 15:54:30 +02:00
committed by Thorbjørn Lindeijer
parent fcfd3ae58a
commit 1898c4dbff
1 changed files with 19 additions and 8 deletions
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25
src/plugins/texteditor/basetextdocument.cpp Normal file → Executable file
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@@ -47,6 +47,8 @@
using namespace TextEditor; using namespace TextEditor;
extern Q_CORE_EXPORT int qt_ntfs_permission_lookup;
#if defined (Q_OS_WIN) #if defined (Q_OS_WIN)
# define NATIVE_LINE_TERMINATOR CRLFLineTerminator # define NATIVE_LINE_TERMINATOR CRLFLineTerminator
#else #else
@@ -140,8 +142,21 @@ bool BaseTextDocument::isReadOnly() const
return true; return true;
if (m_fileName.isEmpty()) //have no corresponding file, so editing is ok if (m_fileName.isEmpty()) //have no corresponding file, so editing is ok
return false; return false;
const QFileInfo fi(m_fileName); const QFileInfo fi(m_fileName);
return !fi.isWritable();
#ifdef Q_OS_WIN32
// be careful when getting info from files on network drives
int old_ntfs_permission_lookup = qt_ntfs_permission_lookup;
qt_ntfs_permission_lookup = 1;
#endif
const int ro = !fi.isWritable();
#ifdef Q_OS_WIN32
qt_ntfs_permission_lookup = old_ntfs_permission_lookup;
#endif
return ro;
} }
bool BaseTextDocument::isModified() const bool BaseTextDocument::isModified() const
@@ -163,13 +178,9 @@ bool BaseTextDocument::open(const QString &fileName)
if (!fi.isReadable()) if (!fi.isReadable())
return false; return false;
if (!fi.isWritable()) { if (!file.open(QIODevice::ReadWrite) && !file.open(QIODevice::ReadOnly))
if (!file.open(QIODevice::ReadOnly))
return false; return false;
} else {
if (!file.open(QIODevice::ReadWrite))
return false;
}
title = fi.fileName(); title = fi.fileName();
QByteArray buf = file.readAll(); QByteArray buf = file.readAll();