[kde-linux] Child windows not appearing - KDE 3.5.7

[David Boston]

Kevin Krammer wrote:
On Wednesday 07 November 2007, David Boston wrote:

 >> Hello people,
 >>      I have a bit of an odd one on KDE 3.5.7-1.fc6 built for Fedora core
 >> 6 on x86.
 >>      An application that opens child windows that contain some motif
 >> widgets to display a text file won't work on the above KDE - there's
 >> just a flash on the screen the shape of the window and it vanishes as if
 >> it was a remote window without permission to be there. They do work on


 >Can you check if they are probably just moved to the background, i.e.
 >they are created but the current window is kept as the "top most" one.

Unfortunately this is not the case.  There's just a flash the shape of 
the window even on a bare spot of the desktop and then it is gone.

 >KWin, KDE's default window manager, has a feature called "focus
 >stealing prevention", i.e. when a new window requests to be shown, it
 >checks if the window actually "belongs" to the currently active one
 >(e.g. a dialog of the same application) and otherwise creates it in the
 >background, so input to the currently active windows does not get
 >interrupted.

I've now turned focus stealing prevention off and restarted X.  It still 
flashes an area of the screen with the geometry of the window and 
vanishes without rendering the window.

 >The application in question might not set the proper window manager
 >hints to detect this association.

That is fairly likely since the application is some commercial software 
probably older than linux and ported from IRIX, SunOS etc.  It's 
geophysical software called ProMAX which has been updated for linux 
2.6.* but they may have missed a few things.

 >Cheers,
 >Kevin
 >-- Kevin Krammer, KDE developer, xdg-utils developer KDE user support, 
developer mentoring

Regards
-- 
David Boston