Re: wx.lib.agw.aui.AuiNotebook => Tab drag/drop bug

I agree. But the problem is within the wxPython (Phoenix) package. And the 
same code works fine with the Classic version, but not with the phoenix 
version. I don't no what I have to do?

Am Donnerstag, 24. November 2016 20:14:05 UTC+1 schrieb Eric Fahlgren:
>
> Hmm, I have some code that does mouse capture, and I couldn't get 
> HasCapture to work either (written maybe 10 years ago???  never re-examined 
> it).  I just added a "self.captured" state, changing it explicitly when I 
> capture and release, then added an event handler to change the state when I 
> don't get that explicit enter/leave event.  I suspect HasCapture is missing 
> something like this?
>
> >>> self.Bind(wx.EVT_MOUSE_CAPTURE_LOST, self.OnCaptureLost)
>
>
> On Thu, Nov 24, 2016 at 9:48 AM, Harald Hanöfner <[email protected] 
> <javascript:>> wrote:
>
>> If you want drag-and-drop a tab of a wx.lib.agw.aui.AuiNotebook the 
>> application hangs after releasing the left mouse and the following error 
>> message occurs.
>> (Environment: Python 3.5.2 | 
>> wxPython_Phoenix-3.0.3.dev2680+55dda48-cp35-cp35m-win32.whl | Windows 10)
>>
>> Traceback (most recent call last):
>>   File "C:\Program Files (x86)\Python 
>> 3.5\lib\site-packages\wx\lib\agw\aui\auibook.py", line 2023, in OnLeftUp
>>     self.ReleaseMouse()
>> wx._core.wxAssertionError: C++ assertion "!wxMouseCapture::stack.empty()" 
>> failed at ..\..\src\common\wincmn.cpp(3319) in wxWindowBase::ReleaseMouse
>> (): Releasing mouse capture but capture stack empty?
>>
>> When I look into the code I see the following there:
>>
>> 2022            if self.HasCapture():
>> 2023                self.ReleaseMouse()
>>
>> Very surprising, because the mouse releasing is checked before the call!? 
>> I have no idea why that exception raised. With python 2.7 and wxPython 
>> 3.0.2.0 this code makes no problems.
>>
>> A similar problem I have sometimes when I move the whole application 
>> window. Then I get the following error message.
>>
>> Traceback (most recent call last):
>>   File "C:\Program Files (x86)\Python 
>> 3.5\lib\site-packages\wx\lib\agw\aui\framemanager.py", line 9219, in 
>> OnLeftUp
>>     self._frame.ReleaseMouse()
>> wx._core.wxAssertionError: C++ assertion "!wxMouseCapture::stack.empty()" 
>> failed at ..\..\src\common\wincmn.cpp(3319) in wxWindowBase::ReleaseMouse
>> (): Releasing mouse capture but capture stack empty?
>>
>> But that error only appears very seldom and not predictable. But the 
>> problem is the same as above => with calling the method ReleaseMouse() 
>> despite of a previous HasCapture() check.
>>
>> Hope somebody can help me. Thanks!
>>
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>
>

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