Hello Marcus,
could you please try with the following patch applied?
https://github.com/cproc/genode/commit/d480771f9e9e8ede711c687ed49281bc40386...
The patch is primarily about resizing Qt windows via the window manager, but it modifies some of the places you mentioned.
If it still doesn't work, could you perhaps provide a test case which can be used for debugging?
Christian
On 09/15/2014 04:29 PM, Marcus Nolte wrote:
Hello Everyone,
I am currently experimenting a little with Genode 14.08. When playing around in Qt5, I encountered some problems when trying to change the geometry of a QMainWindow. I have an additional Genode::Thread running, which can trigger a geometry-change of the application's main window by methods provided by the MainWindow.
When a change of the window's geometry is triggered, it seems as if the window-decorations are properly resized, but the QtWindow underneath is kept at its original size. Additionally, the thread which triggers the geometry-change is blocked (this holds true for the Genode::Thread, as well as for a QThread).
Resizing the window with the mouse works properly.
I took a look at the Nitpicker Qt-Plugin, where I noticed two things:
- There is some unused code in qnitpickerplatformwindow.cpp in
QNitpickerPlatformWindow::handle_events(). Until now I did not dig into the Window_slave_policy, but the inactive code segment looks to me, as if it should change the QtWindow's geometry.
- The Processing seems to stop somewhere before returning the
framebuffer of the the PlatformWindow when detaching / attaching it from / to the rm_ssession.
Since I'm not quite familiar with all the internal Nitpicker / Qt stuff, it would be great if anyone with a little more experience could provide some help. ;-)
- Or am I even trying something which is not intended?
Cheers Marcus
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