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Gtk+/Gnome Application Development
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Proximity Events

Proximity events are generated when using GDK's wrapper for the XInput extension. The XInput extension is an add-on for standard X that allows you to use nonstandard devices such as graphics tablets. A proximity event indicates that the stylus has moved in or out of contact with the tablet, or perhaps that the user's finger has moved in or out of contact with a touch screen. The X distribution comes with some documentation for the XInput extension, and Owen Taylor's gsumi application contains example GDK code.


typedef struct _GdkEventProximity GdkEventProximity;

struct _GdkEventProximity
{
  GdkEventType type;
  GdkWindow *window;
  gint8 send_event;
  guint32 time;
  GdkInputSource source;
  guint32 deviceid;
};
Gtk+/Gnome Application Development
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