gdkkeys.h 4.82 KB
Newer Older
Cody Russell's avatar
Cody Russell committed
1
/* GDK - The GIMP Drawing Kit
Havoc Pennington's avatar
Havoc Pennington committed
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
 * Copyright (C) 2000 Red Hat, Inc.
 *
 * 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/.
 */

27 28 29 30
#if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
#error "Only <gdk/gdk.h> can be included directly."
#endif

Havoc Pennington's avatar
Havoc Pennington committed
31 32 33 34 35
#ifndef __GDK_KEYS_H__
#define __GDK_KEYS_H__

#include <gdk/gdktypes.h>

36
G_BEGIN_DECLS
Havoc Pennington's avatar
Havoc Pennington committed
37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67

typedef struct _GdkKeymapKey GdkKeymapKey;

/* GdkKeymapKey is a hardware key that can be mapped to a keyval */
struct _GdkKeymapKey
{
  guint keycode;
  gint  group;
  gint  level;
};

/* A GdkKeymap defines the translation from keyboard state
 * (including a hardware key, a modifier mask, and active keyboard group)
 * to a keyval. This translation has two phases. The first phase is
 * to determine the effective keyboard group and level for the keyboard
 * state; the second phase is to look up the keycode/group/level triplet
 * in the keymap and see what keyval it corresponds to.
 */

typedef struct _GdkKeymap      GdkKeymap;
typedef struct _GdkKeymapClass GdkKeymapClass;

#define GDK_TYPE_KEYMAP              (gdk_keymap_get_type ())
#define GDK_KEYMAP(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_KEYMAP, GdkKeymap))
#define GDK_KEYMAP_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_KEYMAP, GdkKeymapClass))
#define GDK_IS_KEYMAP(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_KEYMAP))
#define GDK_IS_KEYMAP_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_KEYMAP))
#define GDK_KEYMAP_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_KEYMAP, GdkKeymapClass))

struct _GdkKeymap
{
68 69
  GObject     parent_instance;
  GdkDisplay *display;
Havoc Pennington's avatar
Havoc Pennington committed
70 71 72 73 74
};

struct _GdkKeymapClass
{
  GObjectClass parent_class;
75

76
  void (*direction_changed) (GdkKeymap *keymap);
77
  void (*keys_changed)      (GdkKeymap *keymap);
78
  void (*state_changed)     (GdkKeymap *keymap);
Havoc Pennington's avatar
Havoc Pennington committed
79 80 81 82
};

GType gdk_keymap_get_type (void) G_GNUC_CONST;

83 84 85 86
#ifndef GDK_MULTIHEAD_SAFE
GdkKeymap* gdk_keymap_get_default     (void);
#endif
GdkKeymap* gdk_keymap_get_for_display (GdkDisplay *display);
Havoc Pennington's avatar
Havoc Pennington committed
87 88


89 90 91 92 93 94 95 96 97
guint          gdk_keymap_lookup_key               (GdkKeymap           *keymap,
						    const GdkKeymapKey  *key);
gboolean       gdk_keymap_translate_keyboard_state (GdkKeymap           *keymap,
						    guint                hardware_keycode,
						    GdkModifierType      state,
						    gint                 group,
						    guint               *keyval,
						    gint                *effective_group,
						    gint                *level,
98
						    GdkModifierType     *consumed_modifiers);
99 100 101 102 103 104 105 106 107 108
gboolean       gdk_keymap_get_entries_for_keyval   (GdkKeymap           *keymap,
						    guint                keyval,
						    GdkKeymapKey       **keys,
						    gint                *n_keys);
gboolean       gdk_keymap_get_entries_for_keycode  (GdkKeymap           *keymap,
						    guint                hardware_keycode,
						    GdkKeymapKey       **keys,
						    guint              **keyvals,
						    gint                *n_entries);
PangoDirection gdk_keymap_get_direction            (GdkKeymap           *keymap);
109
gboolean       gdk_keymap_have_bidi_layouts        (GdkKeymap           *keymap);
110
gboolean       gdk_keymap_get_caps_lock_state      (GdkKeymap           *keymap);
Havoc Pennington's avatar
Havoc Pennington committed
111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127

/* Key values
 */
gchar*   gdk_keyval_name         (guint        keyval) G_GNUC_CONST;
guint    gdk_keyval_from_name    (const gchar *keyval_name);
void     gdk_keyval_convert_case (guint        symbol,
				  guint       *lower,
				  guint       *upper);
guint    gdk_keyval_to_upper     (guint        keyval) G_GNUC_CONST;
guint    gdk_keyval_to_lower     (guint        keyval) G_GNUC_CONST;
gboolean gdk_keyval_is_upper     (guint        keyval) G_GNUC_CONST;
gboolean gdk_keyval_is_lower     (guint        keyval) G_GNUC_CONST;

guint32  gdk_keyval_to_unicode   (guint        keyval) G_GNUC_CONST;
guint    gdk_unicode_to_keyval   (guint32      wc) G_GNUC_CONST;


128
G_END_DECLS
Havoc Pennington's avatar
Havoc Pennington committed
129 130

#endif /* __GDK_KEYS_H__ */