[vtkusers] vtkCommand::LeftButtonReleaseEvent does not work

[Alex Malyushytskyy]

AFAIK there is no difference.

Are you sure connection did not fail
and your slot is declared similar to
onCmdMouseMotion(vtkObject*)?

( has correct number of parameters?)



On Mon, Aug 19, 2013 at 9:17 AM, curator <curator at gmx.de> wrote:

> Hi all (for the last time today),
>
> recently, I caught my events by MousePress events as follows:
> vtkEventQtSlotConnect *t_connections = vtkEventQtSlotConnect::New();
>     t_connections->Connect( m_VTKWidget->GetRenderWindow()**
> ->GetInteractor(),
>                               vtkCommand::MouseMoveEvent,
>                               this,
>                               SLOT(onCmdMouseMotion(**vtkObject*)));
>     t_connections->Connect( m_VTKWidget->GetRenderWindow()**
> ->GetInteractor(),
>                               vtkCommand::**LeftButtonPressEvent,
>                               this,
> SLOT(onCmdMouseLeftPress(**vtkObject*)));
>
> Both work perfectly, but unfortunatly I want to do sth, only then I
> "click" or "doubleclick" on an item rather than rotate the scene.
>
> Unfortunaly, I didnt found something like vtkCommand::DoubleClickEvent, so
> I decided to add a new trigger:
>
> t_connections->Connect( m_VTKWidget->GetRenderWindow()**->GetInteractor(),
>                               vtkCommand::**LeftButtonReleaseEvent,
>                               this,
> SLOT(onCmdMouseLeftRelease(**vtkObject*)));
>
> and simply check if the mouse has not moved (except some eps) since button
> press. The problem is, that this last slot does not trigger, because
> onCmdMouseLeftRelease() is never called. What is the difference between the
> first two and the last call?
>
> regards,
> curator
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