Re: Catch mouse events

[Marton Balint <cus fazekas hu>]

On Thu, 30 Apr 2009, Daniel P. Berrange wrote:
> On Thu, Apr 30, 2009 at 01:38:23PM +0200, Marton Balint wrote:
> > Hi,
> > 
> > Is there a simple way to capture mouse events just like the example 
> > application does with keyboard events?
> > 
> > I tried  
> > 
> > gtk_signal_connect(GTK_OBJECT(window), "button-press-event",
> >    GTK_SIGNAL_FUNC(vnc_click), vnc);
> > 
> > but it only works if the vnc client is in read only mode.
> 
> What version of GTK-VNC have you got ?  We fixed that problem in 0.3.7
> I just confirmed that i can received events by trying this patch against
> our example viewer program in GIT
> 
> 
> Daniel
> 
> diff --git a/examples/gvncviewer.c b/examples/gvncviewer.c
> index 7ccdb50..30bcd7a 100644
> --- a/examples/gvncviewer.c
> +++ b/examples/gvncviewer.c
> @@ -287,6 +287,33 @@ static gboolean window_state_event(GtkWidget *widget,
>  }
>  #endif
>  
> +static gboolean
> +do_mouse(GtkWidget *widget,
> +        GdkEventMotion *motion)
> +{
> +       fprintf(stderr, "Do mouse\n");
> +       return TRUE;
> +}
> +
> +static gboolean
> +do_button(GtkWidget *widget,
> +         GdkEventButton *button)
> +{
> +       fprintf(stderr, "Do button\n");
> +       return TRUE;
> +}
> +
> +
> +static gboolean
> +do_key(GtkWidget *widget,
> +       GdkEventKey *key)
> +{
> +       fprintf(stderr, "Do key\n");
> +       return TRUE;
> +}
> +
> +
> +
>  int main(int argc, char **argv)
>  {
>         GOptionContext *context;
> @@ -436,6 +463,14 @@ int main(int argc, char **argv)
>                            GTK_SIGNAL_FUNC(window_state_event), layout);
>  #endif
>  
> +
> +       gtk_signal_connect(GTK_OBJECT(vnc), "motion-notify-event",
> +                          GTK_SIGNAL_FUNC(do_mouse), NULL);
> +       gtk_signal_connect(GTK_OBJECT(vnc), "button-press-event",
> +                          GTK_SIGNAL_FUNC(do_button), NULL);
> +       gtk_signal_connect(GTK_OBJECT(vnc), "key-press-event",
> +                          GTK_SIGNAL_FUNC(do_key), NULL);
> +

Connecting the signal to the vnc widget instead of the window made the 
trick, now mouse press events work like a charm, thank you for your help.

Regards,
  Marton


>         gtk_main();
>  
>         return 0;
> 
> 
> 
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