https://developer.gnome.org/gdk3/stable/gdk3-Events.html#gdk-event-request-motions
I've generally found the manual to have better information than the tutorials. Specifically, the tutorials generally don't seem to get updated as Gtk evolves (esp. those not hosted on the gnome site). That's probably a better question for SO or the Gtk dev lists. On Mon, Jan 5, 2015 at 7:22 AM Andreas Lobinger <lobing...@gmail.com> wrote: > Hello colleague, > > > On Sunday, January 4, 2015 6:33:24 PM UTC+1, Jameson wrote: >> >> Gtk3 hasn't changed that much in this area -- it is still incorrect to >> call gdk_window_get_device_position & friends from event handlers. >> > > Could you please provide a reference for this? > > I was reading the Gtk2 tutorial (unfortunately there is no Gtk3 tutorial) > and in the demo programm scribble (both in code and text): > https://developer.gnome.org/gtk-tutorial/stable/x2431.html > you'll find: > >> When we specify GDK_POINTER_MOTION_HINT_MASK, the server sends us a >> motion event the first time the pointer moves after entering our window, or >> after a button press or release event. Subsequent motion events will be >> suppressed until we explicitly ask for the position of the pointer using >> the function: gdk_window_get_pointer. >> > For the question about the integer coordinates: I always expected the > event.x/y coordinates truncated when i use a mouse pointer and the Gtk2 > this is true in all my programms (C and python based, some julia). So i > wondered, why in Gtk3 suddenly they don't. > > >
