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On 05/05/2010 07:11 AM, (Samuel) Byeongjun Park wrote:
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<p class="MsoNormal"><span
style="font-size: 12pt; font-family: "Times New Roman","serif";">Hi
all,</span><br>
<br>
I found one problem related to mouse cursor.<br>
I changed mouse cursor using QVTKWidget's setCursor() function which<br>
is inherited from QWidget.<o:p></o:p></p>
<p class="MsoNormal"><br>
It works fine. One interesting thing I found is that VTK 5.0.4 works
Okay <br>
but when I upgraded to VTK5.4.2, somehow mouse cursor return to arrow
cursor.<br>
<br>
Both VTK 5.0.4 and 5.4.2 works when I change the mouse cursor using
setCursor().<br>
However, for 5.4.2 when the QVTKWidget window is once hided by other
window and<br>
raised to top, mouse cursor returned to arrow cursor for some
QVTKWidgets (not
all the time, not all QVTKWidgets).<br>
It never happen in 5.0.4.<o:p></o:p></p>
<p class="MsoNormal"><br>
I compared two versions of QVTKWidget source codes, but there was no
significant difference.<br>
<br>
<o:p></o:p></p>
<p class="MsoNormal">Is there any suggestion where I should dig?<br>
My system is running Linux 64bit with NVidia GL library.<br>
<br>
</p>
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<br>
Perhaps the change in behavior is from vtkXOpenGLRenderWindow.cxx.<br>
I suggest looking at where it calls XDefineCursor() to see if that
causes your cursor issues.<br>
<br>
Clint<br>
<br>
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