/* 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 Library 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

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library 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 1997-1999.  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_INPUT_WIN32_H__

#define __GDK_INPUT_WIN32_H__

#include <windows.h>

#include <wintab.h>

typedef struct _GdkAxisInfo    GdkAxisInfo;

typedef struct _GdkDevicePrivate GdkDevicePrivate;

/* information about a device axis */

struct _GdkAxisInfo

{

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

     between axes used */

  gint resolution;

  /* calibrated minimum/maximum values */

  gint min_value, max_value;

};

struct _GdkDeviceClass

{

  GObjectClass parent_class;

};

struct _GdkDevicePrivate

{

  GdkDevice info;

  /* information about the axes */

  GdkAxisInfo *axes;

  gint button_state;

  gint *last_axis_data;

  /* WINTAB stuff: */

  HCTX hctx;

  /* Cursor number */

  UINT cursor;

  /* The cursor's CSR_PKTDATA */

  WTPKT pktdata;

  /* Azimuth and altitude axis */

  AXIS orientation_axes[2];

};

/* Addition used for extension_events mask */

#define GDK_ALL_DEVICES_MASK (1<<30)

struct _GdkInputWindow

{

  /* gdk window */

  GList *windows; /* GdkWindow:s with extension_events set */

  GdkWindow *impl_window; /* an impl window */

  /* position relative to root window */

  gint root_x;

  gint root_y;

};

/* Global data */

#define GDK_IS_CORE(d) (((GdkDevice *)(d)) == gdk_display_get_default ()->core_pointer)

extern GList *_gdk_input_devices;

extern GList *_gdk_input_windows;

extern gboolean _gdk_input_in_proximity;

/* Function declarations */

void             _gdk_init_input_core (GdkDisplay *display);

GdkTimeCoord ** _gdk_device_allocate_history (GdkDevice *device,

					      gint       n_events);

/* The following functions are provided by each implementation

 * (just wintab for now)

 */

void             _gdk_input_configure_event  (GdkWindow        *window);

gboolean         _gdk_input_other_event      (GdkEvent         *event,

					      MSG              *msg,

					      GdkWindow        *window);

void             _gdk_input_crossing_event   (GdkWindow        *window,

					      gboolean          enter);

/* These should be in gdkinternals.h */

GdkInputWindow  *_gdk_input_window_find      (GdkWindow        *window);

void             _gdk_input_window_destroy   (GdkWindow *window);

void             _gdk_input_select_events    (GdkWindow        *impl_window);

gint             _gdk_input_grab_pointer     (GdkWindow        *window,

					      gint              owner_events,

					      GdkEventMask      event_mask,

					      GdkWindow        *confine_to,

					      guint32           time);

void             _gdk_input_ungrab_pointer   (guint32           time);

gboolean         _gdk_device_get_history     (GdkDevice         *device,

					      GdkWindow         *window,

					      guint32            start,

					      guint32            stop,

					      GdkTimeCoord    ***events,

					      gint              *n_events);

void		_gdk_input_wintab_init_check (void);

void		_gdk_input_set_tablet_active (void);

void            _gdk_input_update_for_device_mode (GdkDevicePrivate *gdkdev);

void            _gdk_input_check_proximity (void);

#endif /* __GDK_INPUT_WIN32_H__ */