Re: Button drag

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On Saturday, June 8, 2019 at 2:28:35 AM UTC-7, philippe DALET wrote:
>
> Hello
>
> I try to drag a button with the mouse on a panel.
>
> It works fine on win7 (64bits) with wxpython 4.0.6.  py3.7.3
>
> On Ubuntu 18.04--16.04  (64bits) with wxpython 4.0.6. GTK2 py3.5 or py3.6, 
> a capturelost event appears, and after my script is out of control.
> Only alt+F4 can stop the script.
>

On X this usually means that something has the mouse captured but doesn't 
release it.

 

> if I change the code like this
>     def OnMouseDown(self, event):
>         self.btn.CaptureMouse()
>         self.btn.ReleaseMouse()
> it works fine.
>
> How to avert this event ?
>


It's probable that the native widget itself is doing something with the 
capture, or even that the parent or some other window is stealing the 
capture. I noticed that if I change your sample to use a generic widget 
like wx.lib.buttons.ThemedGenButton that it didn't have any problems.

 
--
Robin

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<div dir=3D"ltr">On Saturday, June 8, 2019 at 2:28:35 AM UTC-7, philippe DA=
LET wrote:<blockquote class=3D"gmail_quote" style=3D"margin: 0;margin-left:=
 0.8ex;border-left: 1px #ccc solid;padding-left: 1ex;"><div dir=3D"ltr"><di=
v>Hello</div><div><br></div><div>I try to drag a button with the mouse on a=
 panel.</div><div><br></div><div>It works fine on win7 (64bits) with wxpyth=
on 4.0.6.=C2=A0 py3.7.3</div><div><br></div><div>On Ubuntu 18.04--16.04=C2=
=A0  (64bits) with wxpython 4.0.6. GTK2  py3.5 or py3.6, a capturelost even=
t appears, and after my script is out of control.</div><div>Only alt+F4 can=
 stop the script.<br></div></div></blockquote><div><br></div><div>On X this=
 usually means that something has the mouse captured but doesn&#39;t releas=
e it.</div><div><br></div><div>=C2=A0</div><blockquote class=3D"gmail_quote=
" style=3D"margin: 0;margin-left: 0.8ex;border-left: 1px #ccc solid;padding=
-left: 1ex;"><div dir=3D"ltr"><div></div><div>if I change the code like thi=
s</div><div>=C2=A0=C2=A0=C2=A0 def OnMouseDown(self, event):<br>=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 self.btn.CaptureMouse()</div><div>=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 self.btn.ReleaseMouse()<br></div><div>=
</div><div></div><div>it works fine.</div><div><br></div><div>How to avert =
this event ?<br></div></div></blockquote><div><br></div><div><br></div><div=
>It&#39;s probable that the native widget itself is doing something with th=
e capture, or even that the parent or some other window is stealing the cap=
ture. I noticed that if I change your sample to use a generic widget like w=
x.lib.buttons.ThemedGenButton that it didn&#39;t have any problems.</div><d=
iv><br></div><div>=C2=A0</div><div>--</div><div>Robin</div><div><br></div><=
/div>

<p></p>

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