I'm making a small drawing program with GTK, and I'm having an issue that's also in the "scribble" example tutorial (using this as an example because people would likely know what I'm talking about that way). Anyways, the issue that I'm having is that the program doesn't receive mouse movement events for every pixel that the mouse moves, especially when the mouse moves fast. So my question is, how do I make it receive more mouse movement events, even when the mouse is moving fast, or how can I get around such problems in a way that's smooth unlike just making lines to the last known location of the mouse.
When you enable the events you want from your drawing area, are you including the GDK_POINTER_MOTION_HINT_MASK event? I think the scribble example does that, so if you've based it on that you probably are.
If so, I believe that might be why you're not getting all the positions. An explanation can be found at:
http://developer.gnome.org/doc/API/2.0/gdk/gdk-Events.html#GdkEventMask
Look at the bit about the ...HINT_MASK for details. Then try not using hints, but be aware that your application may lag a bit when the mouse is moved quickly.
Hope that helps,
Richard.
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