So i think you need to copy a simple tool, and redfine its OnMouse
void a2dXXXXTool::OnMouseEvent( wxMouseEvent& event )
if ( event.LeftDown() && ! m_busy )
test hit, save hit object, and set m_busy
else if ( event.LeftDown() && m_busy)
reset flag, hit object (m_canvasobject) = NULL
When you click on an object, remember that one, set a flag ( m_busy for
instance is already for that).
And in OnIdle (of your tool), you can show what you want as anotation.
If tool is flagged busy, a second Click, does reset the busy flag, and so
anotation will go away.
Do i miss something :-)
Regards,
Klaas
On 10/09/2013 03:07 PM, pang long wrote:
> Dear Klaas
> Let me explain more detail on my objective.
> I wish that the annotation is shown after the click, and it does not
> disappear until the next click. At the same time, the annotation is
> computed with respect to the clicked information.
>
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