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Also handle multi-partition drive insertion/removal

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This commit is contained in:
Nyall Dawson 2018-09-25 11:33:10 +10:00
parent af4a1df90d
commit 5173744818
1 changed files with 14 additions and 6 deletions
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20
src/native/win/qgswinnative.cpp
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@ -173,14 +173,22 @@ bool QgsWinNativeEventFilter::nativeEventFilter( const QByteArray &, void *messa
unsigned long deviceType = reinterpret_cast<DEV_BROADCAST_HDR *>( lParam )->dbch_devicetype;
if ( deviceType == DBT_DEVTYP_VOLUME )
{
// need to handle disks with multiple partitions -- these are given by a single event
unsigned long unitmask = reinterpret_cast<DEV_BROADCAST_VOLUME *>( lParam )->dbcv_unitmask;
for ( int i = 0; i < 32; ++i )
std::vector< QString > drives;
char driveName[] = "A:/";
unitmask &= 0x3ffffff;
while ( unitmask )
{
if ( ( unitmask & ( 1 << i ) ) != 0 )
{
const QChar drive( 65 + i );
emit usbStorageNotification( QStringLiteral( "%1:/" ).arg( drive ), wParam == DBT_DEVICEARRIVAL );
}
if ( unitmask & 0x1 )
drives.emplace_back( QString::fromLatin1( driveName ) );
++driveName[0];
unitmask >>= 1;
}
for ( const QString &drive : drives )
{
emit usbStorageNotification( QStringLiteral( "%1:/" ).arg( drive ), wParam == DBT_DEVICEARRIVAL );
}
}
}