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162 lines
6.1 KiB
C
162 lines
6.1 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 2000 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#ifndef __GDK_KEYS_H__
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#define __GDK_KEYS_H__
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#if !defined (__GDK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gdk/gdk.h> can be included directly."
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#endif
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#include <gdk/gdkversionmacros.h>
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#include <gdk/gdktypes.h>
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G_BEGIN_DECLS
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typedef struct _GdkKeymapKey GdkKeymapKey;
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/**
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* GdkKeymapKey:
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* @keycode: the hardware keycode. This is an identifying number for a
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* physical key.
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* @group: indicates movement in a horizontal direction. Usually groups are used
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* for two different languages. In group 0, a key might have two English
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* characters, and in group 1 it might have two Hebrew characters. The Hebrew
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* characters will be printed on the key next to the English characters.
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* @level: indicates which symbol on the key will be used, in a vertical direction.
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* So on a standard US keyboard, the key with the number “1” on it also has the
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* exclamation point ("!") character on it. The level indicates whether to use
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* the “1” or the “!” symbol. The letter keys are considered to have a lowercase
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* letter at level 0, and an uppercase letter at level 1, though only the
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* uppercase letter is printed.
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*
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* A #GdkKeymapKey is a hardware key that can be mapped to a keyval.
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*/
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struct _GdkKeymapKey
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{
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guint keycode;
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gint group;
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gint level;
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};
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#define GDK_TYPE_KEYMAP (gdk_keymap_get_type ())
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#define GDK_KEYMAP(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_KEYMAP, GdkKeymap))
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#define GDK_IS_KEYMAP(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_KEYMAP))
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/**
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* GdkKeymap:
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*
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* A #GdkKeymap defines the translation from keyboard state
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* (including a hardware key, a modifier mask, and active keyboard group)
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* to a keyval. This translation has two phases. The first phase is
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* to determine the effective keyboard group and level for the keyboard
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* state; the second phase is to look up the keycode/group/level triplet
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* in the keymap and see what keyval it corresponds to.
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*/
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GDK_AVAILABLE_IN_ALL
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GType gdk_keymap_get_type (void) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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GdkDisplay * gdk_keymap_get_display (GdkKeymap *keymap);
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GDK_AVAILABLE_IN_ALL
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guint gdk_keymap_lookup_key (GdkKeymap *keymap,
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const GdkKeymapKey *key);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_keymap_translate_keyboard_state (GdkKeymap *keymap,
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guint hardware_keycode,
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GdkModifierType state,
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gint group,
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guint *keyval,
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gint *effective_group,
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gint *level,
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GdkModifierType *consumed_modifiers);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_keymap_get_entries_for_keyval (GdkKeymap *keymap,
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guint keyval,
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GdkKeymapKey **keys,
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gint *n_keys);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_keymap_get_entries_for_keycode (GdkKeymap *keymap,
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guint hardware_keycode,
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GdkKeymapKey **keys,
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guint **keyvals,
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gint *n_entries);
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GDK_AVAILABLE_IN_ALL
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PangoDirection gdk_keymap_get_direction (GdkKeymap *keymap);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_keymap_have_bidi_layouts (GdkKeymap *keymap);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_keymap_get_caps_lock_state (GdkKeymap *keymap);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_keymap_get_num_lock_state (GdkKeymap *keymap);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_keymap_get_scroll_lock_state (GdkKeymap *keymap);
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GDK_AVAILABLE_IN_ALL
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guint gdk_keymap_get_modifier_state (GdkKeymap *keymap);
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GDK_AVAILABLE_IN_ALL
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void gdk_keymap_add_virtual_modifiers (GdkKeymap *keymap,
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GdkModifierType *state);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_keymap_map_virtual_modifiers (GdkKeymap *keymap,
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GdkModifierType *state);
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GDK_AVAILABLE_IN_ALL
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GdkModifierType gdk_keymap_get_modifier_mask (GdkKeymap *keymap,
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GdkModifierIntent intent);
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/* Key values
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*/
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GDK_AVAILABLE_IN_ALL
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const char *gdk_keyval_name (guint keyval) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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guint gdk_keyval_from_name (const gchar *keyval_name);
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GDK_AVAILABLE_IN_ALL
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void gdk_keyval_convert_case (guint symbol,
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guint *lower,
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guint *upper);
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GDK_AVAILABLE_IN_ALL
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guint gdk_keyval_to_upper (guint keyval) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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guint gdk_keyval_to_lower (guint keyval) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_keyval_is_upper (guint keyval) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_keyval_is_lower (guint keyval) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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guint32 gdk_keyval_to_unicode (guint keyval) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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guint gdk_unicode_to_keyval (guint32 wc) G_GNUC_CONST;
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G_END_DECLS
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#endif /* __GDK_KEYS_H__ */
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