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gdkdevice.h
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gdkdevice.h
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/* GDK - The GIMP Drawing Kit
* Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
*
* 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.
*/
#if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
#error "Only <gdk/gdk.h> can be included directly."
#endif
#ifndef __GDK_DEVICE_H__
#define __GDK_DEVICE_H__
#include <gdk/gdktypes.h>
G_BEGIN_DECLS
#define GDK_TYPE_DEVICE (gdk_device_get_type ())
#define GDK_DEVICE(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GDK_TYPE_DEVICE, GdkDevice))
#define GDK_IS_DEVICE(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GDK_TYPE_DEVICE))
typedef struct _GdkDevice GdkDevice;
typedef struct _GdkDeviceKey GdkDeviceKey;
typedef struct _GdkDeviceAxis GdkDeviceAxis;
typedef struct _GdkTimeCoord GdkTimeCoord;
typedef enum
{
GDK_EXTENSION_EVENTS_NONE,
GDK_EXTENSION_EVENTS_ALL,
GDK_EXTENSION_EVENTS_CURSOR
} GdkExtensionMode;
typedef enum
{
GDK_SOURCE_MOUSE,
GDK_SOURCE_PEN,
GDK_SOURCE_ERASER,
GDK_SOURCE_CURSOR,
GDK_SOURCE_KEYBOARD
} GdkInputSource;
typedef enum
{
GDK_MODE_DISABLED,
GDK_MODE_SCREEN,
GDK_MODE_WINDOW
} GdkInputMode;
typedef enum
{
GDK_AXIS_IGNORE,
GDK_AXIS_X,
GDK_AXIS_Y,
GDK_AXIS_PRESSURE,
GDK_AXIS_XTILT,
GDK_AXIS_YTILT,
GDK_AXIS_WHEEL,
GDK_AXIS_LAST
} GdkAxisUse;
typedef enum {
GDK_DEVICE_TYPE_MASTER,
GDK_DEVICE_TYPE_SLAVE,
GDK_DEVICE_TYPE_FLOATING
} GdkDeviceType;
struct _GdkDeviceKey
{
guint keyval;
GdkModifierType modifiers;
};
struct _GdkDeviceAxis
{
GdkAxisUse use;
gdouble min;
gdouble max;
};
/* We don't allocate each coordinate this big, but we use it to
* be ANSI compliant and avoid accessing past the defined limits.
*/
#define GDK_MAX_TIMECOORD_AXES 128
struct _GdkTimeCoord
{
guint32 time;
gdouble axes[GDK_MAX_TIMECOORD_AXES];
};
struct _GdkDevice
{
GObject parent_instance;
/* All fields are read-only */
gchar *name;
GdkInputSource source;
GdkInputMode mode;
gboolean has_cursor; /* TRUE if the X pointer follows device motion */
gint num_axes;
GdkDeviceAxis *axes;
gint num_keys;
GdkDeviceKey *keys;
};
GType gdk_device_get_type (void) G_GNUC_CONST;
/* Functions to configure a device */
void gdk_device_set_source (GdkDevice *device,
GdkInputSource source);
gboolean gdk_device_set_mode (GdkDevice *device,
GdkInputMode mode);
void gdk_device_set_key (GdkDevice *device,
guint index_,
guint keyval,
GdkModifierType modifiers);
void gdk_device_set_axis_use (GdkDevice *device,
guint index_,
GdkAxisUse use);
void gdk_device_get_state (GdkDevice *device,
GdkWindow *window,
gdouble *axes,
GdkModifierType *mask);
gboolean gdk_device_get_history (GdkDevice *device,
GdkWindow *window,
guint32 start,
guint32 stop,
GdkTimeCoord ***events,
guint *n_events);
void gdk_device_free_history (GdkTimeCoord **events,
gint n_events);
GList * gdk_device_list_axes (GdkDevice *device);
gboolean gdk_device_get_axis_value (GdkDevice *device,
gdouble *axes,
GdkAtom axis_label,
gdouble *value);
gboolean gdk_device_get_axis (GdkDevice *device,
gdouble *axes,
GdkAxisUse use,
gdouble *value);
GdkDisplay * gdk_device_get_display (GdkDevice *device);
GdkDevice * gdk_device_get_associated_device (GdkDevice *device);
GdkDeviceType gdk_device_get_device_type (GdkDevice *device);
G_END_DECLS
#endif /* __GDK_DEVICE_H__ */