hi christian,
So in order to see what is giving you problems, it would be nice to
catch a glimpse at the relevant code portion(s).
I have some code for my installation of the XDropTargetListener since
the other problem is resolved (see attachment).
This thing is really mysterious to me.
If I dont install a DropTargetListener everything works fine. I would
expect that after a PrintPreview, where the DropTargetListener is
removed completely and destroyed (see log snippet below), everything
should work too. But even with removed DropTargetListener SWriter
crashes *whenever* I insert a table into a TextFrame .
// some logfile with accompanying commentary
### File->PrintPreview
OOoDocumentEventListener::notifyEvent OnViewClosed
OOoDropTargetListener::disposing
OOoDropTargetListener::disposing
OOoDropTargetListener::disposing
OOoDropTargetListener::disposing
OOoDropTargetListener::disposing
OOoDropTargetListener::disposing
OOoDropTargetListener::disposing
OOoDropTargetListener::disposing
OOoDropTargetListener::disposing
OOoDropTargetListener::~OOoDropTargetListener
### close print preview
OOoDocumentEventListener::notifyEvent OnViewClosed
### Insert->TexFrame
OOoDocumentEventListener::notifyEvent TitleChanged
OOoDocumentEventListener::notifyEvent OnModifyChanged
OOoDocumentEventListener::notifyEvent TitleChanged
OOoDocumentEventListener::notifyEvent OnModifyChanged
OOoDocumentEventListener::notifyEvent TitleChanged
OOoDocumentEventListener::notifyEvent OnModifyChanged
### Cursor is in TextFrame
### Insert Table into TextFrame
OOoDocumentEventListener::~OOoDocumentEventListener
### SWriter is gone
I will try to reduce my app to a minimum example.
thanks,
Sascha
/******************************************************************************************
those are the relevant methods from the window class that integrates OOo
(SWriter)
******************************************************************************************/
/*
function to create an OOo Window
*/
void OOoIntegrationWindow::createOOoWindow()
{
/*
... snip ...
*/
_dropTargetListener = new OOoDropTargetListener(ctx); // class member
// get the Accessible API and run through ut to install listeners
::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessible > accessibleWindow ( _xwindow,
::com::sun::star::uno::UNO_QUERY);
if( accessibleWindow.is())
_accessibilityRunner(accessibleWindow, false);
/*
... snip ...
*/
}
/*
install the dropTargetListener for a specific XWindow
*/
void OOoIntegrationWindow::installDropTargetListenerForWindow(
::com::sun::star::uno::Reference<::com::sun::star::awt::XWindow> window)
{
// the Toolkit is also XDataTransferProviderAccess where we can receive
the DropTarget for our window
::com::sun::star::uno::Reference<
::com::sun::star::awt::XDataTransferProviderAccess > xDataTransferPA
(_xtoolkit, ::com::sun::star::uno::UNO_QUERY);
// get the OleDropTarget Service for our OpenOffice.org window
(_xwindow)
::com::sun::star::uno::Reference<
::com::sun::star::datatransfer::dnd::XDropTarget > xDropTarget =
xDataTransferPA->getDropTarget(window);
::com::sun::star::uno::Reference<
::com::sun::star::datatransfer::dnd::XDropTargetListener> xdropTargetListener
(_dropTargetListener);
if( xdropTargetListener.is())
{
// add DropTargetListener
xDropTarget->addDropTargetListener(xdropTargetListener);
xDropTarget->setActive(sal_True);
}
}
}
/*
This functions runs through the accessibility tree. It calls
installDropTargetListenerForWindow for each window
below and including the one with the AccessibleRole SCROLL_PANE.
The XWindow´s are either the XAccessible itself or if the XAccessible offers a
XVclContainer interface children of it.
*/
void OOoIntegrationWindow::_accessibilityRunner(
::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible
> accessible, bool install)
{
::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessibleContext > context =
accessible->getAccessibleContext();
// info about the context (name / description /childcount )
sal_Int32 childCount = context->getAccessibleChildCount();
bool doInstall = false;
if( install != true) {
::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessible > accessibleParent =
context->getAccessibleParent();
/*if( accessibleParent.is())
{
::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessibleContext > pContext =
accessibleParent->getAccessibleContext();
if( pContext->getAccessibleRole() ==
com::sun::star::accessibility::AccessibleRole::SCROLL_PANE)
{
install = true;
}
}*/
if ( context->getAccessibleRole() ==
com::sun::star::accessibility::AccessibleRole::SCROLL_PANE) {
doInstall = true;
}
}
if( doInstall == true )
{
::com::sun::star::uno::Reference<
::com::sun::star::awt::XWindow > win(accessible,
::com::sun::star::uno::UNO_QUERY );
if( install == true && win.is()) {
// install a DropTargetListener for the window
installDropTargetListenerForWindow( win );
}
::com::sun::star::uno::Reference<
::com::sun::star::awt::XVclContainer > container( accessible,
::com::sun::star::uno::UNO_QUERY );
if( container.is())
{
::com::sun::star::uno::Sequence<
::com::sun::star::uno::Reference< ::com::sun::star::awt::XWindow > > theWindows
= container->getWindows();
sal_Int32 winCount = theWindows.getLength();
for ( sal_Int32 i=0; i < winCount ; i++)
{
::com::sun::star::uno::Reference<
::com::sun::star::awt::XWindow > aWindow = theWindows[i];
// install a DropTargetListener for the window
installDropTargetListenerForWindow( aWindow );
}
}
}
// children
for( sal_Int32 index = 0; index < childCount; index ++)
{
::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessible > accessibleChild =
context->getAccessibleChild(index);
_accessibilityRunner(accessibleChild, doInstall);
}
}
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