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Home » U++ Library support » TopWindow&PopUp, TrayIcon » [SOLVED] topmost menu popup crashes
[SOLVED] topmost menu popup crashes [message #26215] Wed, 14 April 2010 14:31 Go to next message
chickenk is currently offline  chickenk
Messages: 168
Registered: May 2007
Location: Grenoble, France
Experienced Member
Hi Mirek and others,

this may be related to other TopMost topics in this forum category.

I tried to execute the CallbackArgTarget example from the reference assembly on Ubuntu 9.10, and it gave me back an 'invalid memory access'.

I entered the debugger to dive deeper, and you can see the call stack and problem in the attached screenshot.

The variable q is NULL when executing q->StartPopupGrab(), thus the error. It seems having the menu widget as the topmost item is not currently working.

Can you have a look a this?

Thanks,
Lionel
  • Attachment: bug_popup.png
    (Size: 302.68KB, Downloaded 205 times)

[Updated on: Fri, 16 April 2010 16:34]

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Re: topmost menu popup crashes [message #26239 is a reply to message #26215] Fri, 16 April 2010 13:34 Go to previous messageGo to next message
mirek is currently offline  mirek
Messages: 11835
Registered: November 2005
Ultimate Member
chickenk wrote on Wed, 14 April 2010 08:31

Hi Mirek and others,

this may be related to other TopMost topics in this forum category.

I tried to execute the CallbackArgTarget example from the reference assembly on Ubuntu 9.10, and it gave me back an 'invalid memory access'.

I entered the debugger to dive deeper, and you can see the call stack and problem in the attached screenshot.

The variable q is NULL when executing q->StartPopupGrab(), thus the error. It seems having the menu widget as the topmost item is not currently working.

Can you have a look a this?

Thanks,
Lionel



The reference example was wrong -> oversimplified. In U++/X11, it is not possible to have a menu without owner window.

Now fixed. Thanks.
Re: topmost menu popup crashes [message #26242 is a reply to message #26239] Fri, 16 April 2010 16:34 Go to previous message
chickenk is currently offline  chickenk
Messages: 168
Registered: May 2007
Location: Grenoble, France
Experienced Member
thanks a lot, I'm gonna check this.

regards
Lionel
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