/* GDK - The GIMP Drawing Kit

 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

/*

 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS

 * file for a list of people on the GTK+ Team.  See the ChangeLog

 * files for a list of changes.  These files are distributed with

 * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 

 */

#ifndef __GDK_INPUTPRIVATE_H__

#define __GDK_INPUTPRIVATE_H__

#include "config.h"

#include "gdkinput.h"

#include "gdkevents.h"

#include "gdkquartz.h"

typedef struct _GdkAxisInfo    GdkAxisInfo;

typedef struct _GdkInputVTable GdkInputVTable;

typedef struct _GdkDevicePrivate GdkDevicePrivate;

struct _GdkInputVTable {

  gint (*set_mode) (guint32 deviceid, GdkInputMode mode);

  void (*set_axes) (guint32 deviceid, GdkAxisUse *axes);

  void (*set_key)  (guint32 deviceid,

		    guint   index,

		    guint   keyval,

		    GdkModifierType modifiers);

  GdkTimeCoord* (*motion_events) (GdkWindow *window,

				  guint32 deviceid,

				  guint32 start,

				  guint32 stop,

				  gint *nevents_return);

  void (*get_pointer)   (GdkWindow       *window,

			 guint32	  deviceid,

			 gdouble         *x,

			 gdouble         *y,

			 gdouble         *pressure,

			 gdouble         *xtilt,

			 gdouble         *ytilt,

			 GdkModifierType *mask);

  gint (*grab_pointer) (GdkWindow *     window,

			gint            owner_events,

			GdkEventMask    event_mask,

			GdkWindow *     confine_to,

			guint32         time);

  void (*ungrab_pointer) (guint32 time);

  void (*configure_event) (GdkEventConfigure *event, GdkWindow *window);

  void (*enter_event) (GdkEventCrossing *event, GdkWindow *window);

  gint (*other_event) (GdkEvent *event, GdkWindow *window);

  /* Handle an unidentified event. Returns TRUE if handled, FALSE

     otherwise */

  gint (*window_none_event) (GdkEvent *event);

  gint (*enable_window) (GdkWindow *window, GdkDevicePrivate *gdkdev);

  gint (*disable_window) (GdkWindow *window, GdkDevicePrivate *gdkdev);

};

/* information about a device axis */

struct _GdkAxisInfo

{

  /* reported x resolution */

  gint xresolution;

  /* reported x minimum/maximum values */

  gint xmin_value, xmax_value;

  /* calibrated resolution (for aspect ration) - only relative values

     between axes used */

  gint resolution;

  /* calibrated minimum/maximum values */

  gint min_value, max_value;

};

#define GDK_INPUT_NUM_EVENTC 6

struct _GdkDevicePrivate {

  GdkDevice  info;

  gint last_state;

  gdouble *last_axes_state;

};

struct _GdkDeviceClass

{

  GObjectClass parent_class;

};

struct _GdkInputWindow

{

  /* gdk window */

  GdkWindow *window;

  /* Extension mode (GDK_EXTENSION_EVENTS_ALL/CURSOR) */

  GdkExtensionMode mode;

  /* position relative to root window */

  gint root_x;

  gint root_y;

  /* rectangles relative to window of windows obscuring this one */

  GdkRectangle *obscuring;

  gint num_obscuring;

  /* Is there a pointer grab for this window ? */

  gint grabbed;

};

/* Global data */

extern const GdkDevice gdk_input_core_info;

extern GdkInputVTable gdk_input_vtable;

/* information about network port and host for gxid daemon */

extern gchar           *_gdk_input_gxid_host;

extern gint             _gdk_input_gxid_port;

extern gint             _gdk_input_ignore_core;

/* Function declarations */

GdkInputWindow *   _gdk_input_window_find    (GdkWindow        *window);

void               _gdk_input_window_destroy (GdkWindow        *window);

void               _gdk_input_init           (void);

void               _gdk_input_exit           (void);

gint               _gdk_input_enable_window  (GdkWindow        *window,

					      GdkDevicePrivate *gdkdev);

gint               _gdk_input_disable_window (GdkWindow        *window,

					      GdkDevicePrivate *gdkdev);

void               _gdk_init_input_core      (void);

void               _gdk_input_window_crossing (GdkWindow       *window,

                                               gboolean         enter);

void               _gdk_input_quartz_tablet_proximity (NSPointingDeviceType deviceType);

gboolean           _gdk_input_fill_quartz_input_event (GdkEvent  *event,

                                                       NSEvent   *nsevent,

                                                       GdkEvent  *input_event);

void _gdk_input_exit           (void);

#endif /* __GDK_INPUTPRIVATE_H__ */