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Re: Strange behaviour regarding miniaturization and menus

From: Fred Kiefer
Subject: Re: Strange behaviour regarding miniaturization and menus
Date: Thu, 21 Feb 2013 09:24:27 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130105 Thunderbird/17.0.2
Thank you for this detailed event list. I will need some time to make sense out of it. Your second liosting may help in that process. What I don't understand is why the windows of the gNUstep application would need to be redrawn, are these the unmapped windows you wrote about?
It looks like we get TAKE_FOCUS twice, but now map notify events. In which state is the GNUstep application before the focus transfer? Maybe we have an issue in NSApplication here (activated, hidden)? 

Perhaps you could run these tests again and add a second argument
--GNU-Debug=Focus this should give even more detailed output.

On 20.02.2013 10:04, Andreas Schik wrote:

Am 19.02.2013 21:54, schrieb Fred Kiefer:
[snip]

The only reason for this strange behaviour that I can think of is
that XFCE4 and GNUstep disagree on the handling of focus events. It
would help to get a full list of the events that show up during that
problem. It is easy to get this events displayed on the prompt when
you start up the GNUstep application with the additional argument
--GNU-Debug=NSEvent This will result in a lot of output, please only
forward the ones that happen just around the minimalization of the
other application.


Here is the output from CDPlayer. Note that this app has two unmapped
windows, the menu and a panel.

2013-02-20 09:37:17.130 CDPlayer[25221] 88080468 FocusOut
2013-02-20 09:37:17.146 CDPlayer[25221] 88080426 UnmapNotify
2013-02-20 09:37:17.146 CDPlayer[25221] 88080434 UnmapNotify
2013-02-20 09:37:17.218 CDPlayer[25221] 88080468 FocusIn
2013-02-20 09:37:17.218 CDPlayer[25221] 0 KeymapNotify
2013-02-20 09:37:17.218 CDPlayer[25221] 88080468 ClientMessage - WM_PROTOCOLS
2013-02-20 09:37:17.218 CDPlayer[25221] WM Protocol - WM_TAKE_FOCUS
2013-02-20 09:37:17.218 CDPlayer[25221] Send NSEvent type: 13 to <NSWindow: 
0x1beb848>Number: 8 Title: CDPlayer
2013-02-20 09:37:17.235 CDPlayer[25221] 88080468 PropertyNotify - 
'_NET_WM_USER_TIME'
2013-02-20 09:37:17.235 CDPlayer[25221] 88080434 PropertyNotify - 
'WM_NORMAL_HINTS'
2013-02-20 09:37:17.235 CDPlayer[25221] 88080434 PropertyNotify - 'WM_HINTS'
2013-02-20 09:37:17.235 CDPlayer[25221] 88080434 PropertyNotify - 'WM_PROTOCOLS'
2013-02-20 09:37:17.236 CDPlayer[25221] 88080434 PropertyNotify - 
'WM_NORMAL_HINTS'
2013-02-20 09:37:17.236 CDPlayer[25221] 88080434 PropertyNotify - 
'WM_NORMAL_HINTS'
2013-02-20 09:37:17.236 CDPlayer[25221] 88080426 PropertyNotify - 
'WM_NORMAL_HINTS'
2013-02-20 09:37:17.236 CDPlayer[25221] 88080426 PropertyNotify - 'WM_HINTS'
2013-02-20 09:37:17.236 CDPlayer[25221] 88080426 PropertyNotify - 'WM_PROTOCOLS'
2013-02-20 09:37:17.236 CDPlayer[25221] 88080426 PropertyNotify - 
'WM_NORMAL_HINTS'
2013-02-20 09:37:17.236 CDPlayer[25221] 88080426 PropertyNotify - 
'WM_NORMAL_HINTS'
2013-02-20 09:37:17.236 CDPlayer[25221] 88080468 PropertyNotify - 
'WM_NORMAL_HINTS'
2013-02-20 09:37:17.236 CDPlayer[25221] 88080468 PropertyNotify - 'WM_HINTS'
2013-02-20 09:37:17.236 CDPlayer[25221] 88080468 PropertyNotify - 'WM_PROTOCOLS'
2013-02-20 09:37:17.237 CDPlayer[25221] 88080434 ConfigureNotify x:-1 y:0 w:128 
h:162 b:0 T
2013-02-20 09:37:17.237 CDPlayer[25221] 88080434 ConfigureNotify x:-1 y:0 w:128 
h:162 b:0 T
2013-02-20 09:37:17.244 CDPlayer[25221] 88080434 PropertyNotify - 
'_NET_WM_STATE'
2013-02-20 09:37:17.244 CDPlayer[25221] 88080434 PropertyNotify - '_WIN_STATE'
2013-02-20 09:37:17.244 CDPlayer[25221] 88080434 ConfigureNotify x:-1 y:0 w:128 
h:162 b:0 T
2013-02-20 09:37:17.244 CDPlayer[25221] 88080426 ConfigureNotify x:194 y:243 
w:707 h:368 b:0 T
2013-02-20 09:37:17.245 CDPlayer[25221] 88080426 ClientMessage - WM_PROTOCOLS
2013-02-20 09:37:17.245 CDPlayer[25221] WM Protocol - WM_TAKE_FOCUS
2013-02-20 09:37:17.245 CDPlayer[25221] 88080426 ConfigureNotify x:194 y:243 
w:707 h:368 b:0 T
2013-02-20 09:37:17.253 CDPlayer[25221] 88080426 PropertyNotify - 
'_NET_WM_STATE'
2013-02-20 09:37:17.253 CDPlayer[25221] 88080426 PropertyNotify - '_WIN_STATE'
2013-02-20 09:37:17.253 CDPlayer[25221] 88080426 ConfigureNotify x:194 y:243 
w:707 h:368 b:0 T
2013-02-20 09:37:17.254 CDPlayer[25221] 88080468 ConfigureNotify x:231 y:93 
w:160 h:93 b:0 T


Here is the log when simply moving the focus away from CDPlayer and then moving 
it back to CDPlayer:

2013-02-20 09:40:35.082 CDPlayer[25732] 88080468 FocusOut
2013-02-20 09:40:35.095 CDPlayer[25732] 88080426 UnmapNotify
2013-02-20 09:40:35.097 CDPlayer[25732] 88080434 UnmapNotify
2013-02-20 09:40:35.109 CDPlayer[25732] 88080426 ReparentNotify - offset 193 222
2013-02-20 09:40:35.109 CDPlayer[25732] 88080426 PropertyNotify - 'WM_STATE'
2013-02-20 09:40:35.109 CDPlayer[25732] 88080426 PropertyNotify - 
'_NET_WM_STATE'
2013-02-20 09:40:35.109 CDPlayer[25732] 88080426 PropertyNotify - '_WIN_STATE'
2013-02-20 09:40:35.109 CDPlayer[25732] 88080426 PropertyNotify - 
'_NET_WM_DESKTOP'
2013-02-20 09:40:35.109 CDPlayer[25732] 88080426 PropertyNotify - 
'_WIN_WORKSPACE'
2013-02-20 09:40:35.109 CDPlayer[25732] 88080426 PropertyNotify - 
'_NET_WM_ALLOWED_ACTIONS'
2013-02-20 09:40:35.110 CDPlayer[25732] 88080434 ReparentNotify - offset -1 0
2013-02-20 09:40:35.110 CDPlayer[25732] 88080434 PropertyNotify - 'WM_STATE'
2013-02-20 09:40:35.110 CDPlayer[25732] 88080434 PropertyNotify - 
'_NET_WM_STATE'
2013-02-20 09:40:35.110 CDPlayer[25732] 88080434 PropertyNotify - '_WIN_STATE'
2013-02-20 09:40:35.110 CDPlayer[25732] 88080434 PropertyNotify - 
'_NET_WM_DESKTOP'
2013-02-20 09:40:35.110 CDPlayer[25732] 88080434 PropertyNotify - 
'_WIN_WORKSPACE'
2013-02-20 09:40:35.110 CDPlayer[25732] 88080434 PropertyNotify - '_WIN_LAYER'
2013-02-20 09:40:35.110 CDPlayer[25732] 88080434 PropertyNotify - 
'_NET_WM_ALLOWED_ACTIONS'
2013-02-20 09:40:38.202 CDPlayer[25732] 88080468 FocusIn
2013-02-20 09:40:38.202 CDPlayer[25732] 0 KeymapNotify
2013-02-20 09:40:38.202 CDPlayer[25732] 88080468 ClientMessage - WM_PROTOCOLS
2013-02-20 09:40:38.202 CDPlayer[25732] WM Protocol - WM_TAKE_FOCUS
2013-02-20 09:40:38.203 CDPlayer[25732] Send NSEvent type: 13 to <NSWindow: 
0x205b7c8>Number: 8 Title: CDPlayer
2013-02-20 09:40:38.208 CDPlayer[25732] 88080468 PropertyNotify - 
'_NET_WM_USER_TIME'
2013-02-20 09:40:38.208 CDPlayer[25732] 88080434 PropertyNotify - 
'WM_NORMAL_HINTS'
2013-02-20 09:40:38.208 CDPlayer[25732] 88080434 PropertyNotify - 'WM_HINTS'
2013-02-20 09:40:38.209 CDPlayer[25732] 88080434 PropertyNotify - 'WM_PROTOCOLS'
2013-02-20 09:40:38.209 CDPlayer[25732] 88080434 PropertyNotify - 
'WM_NORMAL_HINTS'
2013-02-20 09:40:38.209 CDPlayer[25732] 88080434 PropertyNotify - 
'WM_NORMAL_HINTS'
2013-02-20 09:40:38.209 CDPlayer[25732] 88080426 PropertyNotify - 
'WM_NORMAL_HINTS'
2013-02-20 09:40:38.209 CDPlayer[25732] 88080426 PropertyNotify - 'WM_HINTS'
2013-02-20 09:40:38.209 CDPlayer[25732] 88080426 PropertyNotify - 'WM_PROTOCOLS'
2013-02-20 09:40:38.209 CDPlayer[25732] 88080426 PropertyNotify - 
'WM_NORMAL_HINTS'
2013-02-20 09:40:38.209 CDPlayer[25732] 88080426 PropertyNotify - 
'WM_NORMAL_HINTS'
2013-02-20 09:40:38.209 CDPlayer[25732] 88080468 PropertyNotify - 
'WM_NORMAL_HINTS'
2013-02-20 09:40:38.209 CDPlayer[25732] 88080468 PropertyNotify - 'WM_HINTS'
2013-02-20 09:40:38.209 CDPlayer[25732] 88080468 PropertyNotify - 'WM_PROTOCOLS'
2013-02-20 09:40:38.222 CDPlayer[25732] 88080434 PropertyNotify - '_WIN_LAYER'
2013-02-20 09:40:38.222 CDPlayer[25732] 88080434 PropertyNotify - 
'_NET_WM_STATE'
2013-02-20 09:40:38.222 CDPlayer[25732] 88080434 PropertyNotify - '_WIN_STATE'
2013-02-20 09:40:38.222 CDPlayer[25732] 88080434 PropertyNotify - 
'_WIN_WORKSPACE'
2013-02-20 09:40:38.222 CDPlayer[25732] 88080434 PropertyNotify - 
'_NET_WM_DESKTOP'
2013-02-20 09:40:38.223 CDPlayer[25732] 88080434 PropertyNotify - 
'_NET_WM_DESKTOP'
2013-02-20 09:40:38.223 CDPlayer[25732] 88080434 PropertyNotify - 
'_NET_WM_STATE'
2013-02-20 09:40:38.223 CDPlayer[25732] 88080434 PropertyNotify - '_WIN_STATE'
2013-02-20 09:40:38.223 CDPlayer[25732] 88080434 ReparentNotify - offset 0 0
2013-02-20 09:40:38.223 CDPlayer[25732] 88080434 ConfigureNotify x:0 y:0 w:128 
h:162 b:0 F
2013-02-20 09:40:38.232 CDPlayer[25732] 88080434 ConfigureNotify x:-1 y:0 w:128 
h:162 b:0 T
2013-02-20 09:40:38.232 CDPlayer[25732] 88080434 MapNotify
2013-02-20 09:40:38.232 CDPlayer[25732] 88080434 VisibilityNotify 0
2013-02-20 09:40:38.232 CDPlayer[25732] 88080434 Expose
2013-02-20 09:40:38.232 CDPlayer[25732] Expose frame 0 0 128 162
2013-02-20 09:40:38.232 CDPlayer[25732] 88080434 PropertyNotify - 'WM_STATE'
2013-02-20 09:40:38.246 CDPlayer[25732] 88080434 PropertyNotify - 
'_NET_WM_ALLOWED_ACTIONS'
2013-02-20 09:40:38.246 CDPlayer[25732] 88080434 PropertyNotify - 
'_NET_WM_STATE'
2013-02-20 09:40:38.246 CDPlayer[25732] 88080434 PropertyNotify - '_WIN_STATE'
2013-02-20 09:40:38.246 CDPlayer[25732] 88080434 PropertyNotify - 
'_NET_WM_STATE'
2013-02-20 09:40:38.246 CDPlayer[25732] 88080434 PropertyNotify - '_WIN_STATE'
2013-02-20 09:40:38.255 CDPlayer[25732] 88080434 PropertyNotify - 
'_NET_FRAME_EXTENTS'
2013-02-20 09:40:38.255 CDPlayer[25732] 88080434 PropertyNotify - 
'_NET_WM_STATE'
2013-02-20 09:40:38.255 CDPlayer[25732] 88080434 PropertyNotify - '_WIN_STATE'
2013-02-20 09:40:38.255 CDPlayer[25732] 88080434 ConfigureNotify x:-1 y:0 w:128
h:162 b:0 T
2013-02-20 09:40:38.255 CDPlayer[25732] 88080426 PropertyNotify - 
'_NET_WM_STATE'
2013-02-20 09:40:38.255 CDPlayer[25732] 88080426 PropertyNotify - '_WIN_STATE'
2013-02-20 09:40:38.255 CDPlayer[25732] 88080426 PropertyNotify - 
'_WIN_WORKSPACE'
2013-02-20 09:40:38.255 CDPlayer[25732] 88080426 PropertyNotify - 
'_NET_WM_DESKTOP'
2013-02-20 09:40:38.256 CDPlayer[25732] 88080426 ReparentNotify - offset 1 21
2013-02-20 09:40:38.256 CDPlayer[25732] Parent border,width,height 0,709,396
2013-02-20 09:40:38.256 CDPlayer[25732] 88080426 ConfigureNotify x:1 y:21 w:707 
h:368 b:0 F
2013-02-20 09:40:38.257 CDPlayer[25732] 88080426 ConfigureNotify x:194 y:243 
w:707 h:368 b:0 T
2013-02-20 09:40:38.264 CDPlayer[25732] 88080426 MapNotify
2013-02-20 09:40:38.265 CDPlayer[25732] 88080426 VisibilityNotify 0
2013-02-20 09:40:38.265 CDPlayer[25732] 88080426 Expose
2013-02-20 09:40:38.265 CDPlayer[25732] Expose frame 0 0 707 368
2013-02-20 09:40:38.265 CDPlayer[25732] 88080426 PropertyNotify - 'WM_STATE'
2013-02-20 09:40:38.265 CDPlayer[25732] 88080426 PropertyNotify - 
'_NET_WM_ALLOWED_ACTIONS'
2013-02-20 09:40:38.265 CDPlayer[25732] 88080426 PropertyNotify - 
'_NET_WM_STATE'
2013-02-20 09:40:38.265 CDPlayer[25732] 88080426 PropertyNotify - '_WIN_STATE'
2013-02-20 09:40:38.265 CDPlayer[25732] 88080426 PropertyNotify - 
'_NET_WM_STATE'
2013-02-20 09:40:38.265 CDPlayer[25732] 88080426 PropertyNotify - '_WIN_STATE'
2013-02-20 09:40:38.265 CDPlayer[25732] 88080426 PropertyNotify - 
'_NET_FRAME_EXTENTS'
2013-02-20 09:40:38.265 CDPlayer[25732] 88080426 PropertyNotify - 
'_NET_WM_STATE'
2013-02-20 09:40:38.265 CDPlayer[25732] 88080426 PropertyNotify - '_WIN_STATE'
2013-02-20 09:40:38.265 CDPlayer[25732] 88080426 ConfigureNotify x:194 y:243 
w:707 h:368 b:0 T
2013-02-20 09:40:38.265 CDPlayer[25732] 88080468 ConfigureNotify x:231 y:93 
w:160 h:93 b:0 T
2013-02-20 09:40:38.318 CDPlayer[25732] 88080426 PropertyNotify - 
'_NET_WM_ICON_GEOMETRY'

One can see that in the 2nd case there happens a lot more after the FocusOut 
and UnmapNotify events, before the focus gets back in. But what I think is more 
important is that in the 1st case (where the panels/menus break) the MapNotify 
and Expose events are missing after the focus came back. I assume that this is 
the actual problem.
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