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keys.h

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00001 /*  Inti: Integrated Foundation Classes
00002  *  Copyright (C) 2002-2003 The Inti Development Team.
00003  *
00004  *  This program is free software; you can redistribute it and/or modify
00005  *  it under the terms of the GNU General Public License as published by
00006  *  the Free Software Foundation; either version 2 of the License, or
00007  *  (at your option) any later version.
00008  *
00009  *  This program is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  *  GNU Library General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU Library General Public License
00015  *  along with this program; if not, write to the Free Software
00016  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00017  */
00018  
00023 
00024 #ifndef INTI_GDK_KEYS_H
00025 #define INTI_GDK_KEYS_H
00026 
00027 #ifndef INTI_G_OBJECT_H
00028 #include <inti/glib/object.h>
00029 #endif
00030 
00031 #ifndef INTI_GDK_TYPES_H
00032 #include <inti/gdk/types.h>
00033 #endif
00034 
00035 #ifndef INTI_PANGO_TYPES_H
00036 #include <inti/pango/types.h>
00037 #endif
00038 
00039 #ifndef _CPP_VECTOR
00040 #include <vector>
00041 #endif
00042 
00043 namespace Inti {
00044 
00045 namespace Gdk {
00046 
00047 class Display;
00048 class KeymapClass;
00049 class Keyval;
00050 
00055 
00056 class KeymapKey
00057 {
00058         GdkKeymapKey key_;
00059 
00060 public:
00063 
00064         KeymapKey();
00066 
00067         KeymapKey(unsigned int keycode, int group, int level);
00072 
00076 
00077         GdkKeymapKey* gdk_keymap_key() const { return const_cast<GdkKeymapKey*>(&key_); }
00079         
00080         unsigned int keycode() const;
00082 
00083         int group() const;
00085 
00086         int level() const;
00089 
00092 
00093         void set(unsigned int keycode, int group, int level);
00107 
00109 };
00110 
00160 
00161 class Keymap : public G::Object
00162 {
00163         friend class G::Object;
00164         friend class KeymapClass;
00165 
00166         Keymap(const Keymap&);
00167         Keymap& operator=(const Keymap&);
00168         
00169 protected:
00172 
00173         explicit Keymap(GdkKeymap *keymap, bool reference = true);
00180 
00184 
00185         virtual void on_direction_changed();
00187 
00188         virtual void on_keys_changed();
00190 
00192 //  Signals
00193 
00194         typedef G::Signal0<void> DirectionChangedSignalType;
00195         typedef G::SignalProxy<TypeInstance, DirectionChangedSignalType> DirectionChangedSignalProxy;
00196         static const DirectionChangedSignalType direction_changed_signal;
00197 
00198         typedef G::Signal0<void> KeysChangedSignalType;
00199         typedef G::SignalProxy<TypeInstance, KeysChangedSignalType> KeysChangedSignalProxy;
00200         static const KeysChangedSignalType keys_changed_signal;
00201 
00202 public:
00205 
00206         virtual ~Keymap();
00208         
00210 
00211         static Keymap* get(const Display *display = 0);
00215 
00218         
00219         GdkKeymap* gdk_keymap() const { return (GdkKeymap*)instance; }
00221 
00222         GdkKeymapClass* gdk_keymap_class() const;
00224 
00225         operator GdkKeymap* () const;
00227 
00228         Pango::Direction get_direction() const;
00230         
00234 
00235         Keyval lookup_key(const KeymapKey& key);
00243 
00244         bool translate_keyboard_state
00245         (
00246                 unsigned int hardware_keycode,
00247                 ModifierTypeField state,
00248                 int group,
00249                 Keyval& keyval,
00250                 int *effective_group,
00251                 int *level,
00252                 ModifierTypeField *consumed_modifiers
00253         );
00271 
00272         bool get_entries_for_keyval(const Keyval& keyval, std::vector<KeymapKey>& keys);
00286 
00287         bool get_entries_for_keycode(unsigned int hardware_keycode, std::vector<KeymapKey> *keys, std::vector<Keyval> *keyvals);
00297 
00301 
00302         const DirectionChangedSignalProxy sig_direction_changed()
00303         {
00304                 return DirectionChangedSignalProxy(this, &direction_changed_signal);
00305         }
00307 
00308         const KeysChangedSignalProxy sig_keys_changed()
00309         {
00310                 return KeysChangedSignalProxy(this, &keys_changed_signal);
00311         }
00313         
00315 };
00316 
00317 } // namespace Gdk
00318 
00319 } // namespace Inti
00320 
00321 #endif // INTI_GDK_KEYS_H
00322 
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