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# csutil/inputdef.h

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    00001 /*
    00002     Crystal Space input library
    00003     Copyright (C) 2000 by Andrew Zabolotny <bit@eltech.ru>
    00004     Copyright (C) 2002, 04 by Mathew Sutcliffe <oktal@gmx.co.uk>
    00005
    00006     This library is free software; you can redistribute it and/or
    00007     modify it under the terms of the GNU Library General Public
    00008     License as published by the Free Software Foundation; either
    00009     version 2 of the License, or (at your option) any later version.
    00010
    00011     This library is distributed in the hope that it will be useful,
    00012     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00013     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00014     Library General Public License for more details.
    00015
    00016     You should have received a copy of the GNU Library General Public
    00017     License along with this library; if not, write to the Free
    00018     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    00019 */
    00020
    00021 #ifndef __CS_UTIL_INPUTDEF_H__
    00022 #define __CS_UTIL_INPUTDEF_H__
    00023
    00028 #include "csextern.h"
    00029
    00030 #include "csutil/csstring.h"
    00031 #include "csutil/comparator.h"
    00032 #include "csutil/eventnames.h"
    00033 #include "csutil/hash.h"
    00034
    00035 #include "iutil/evdefs.h"
    00036 #include "iutil/event.h"
    00037
    00038 struct iEvent;
    00039 class csInputBinder;
    00040
    00045 class CS_CRYSTALSPACE_EXPORT csInputDefinition
    00046 {
    00047 public:
    00048   csRef<iEventNameRegistry> name_reg;
    00049
    00050 protected:
    00051   csEventID containedName;
    00052
    00053   uint32 modifiersHonored;
    00054   csKeyModifiers modifiers;
    00055   // The (basis-0) identifier for the device from which this event came
    00056   uint deviceNumber;
    00057   union
    00058   {
    00059     struct
    00060     {
    00061       utf32_char code;
    00062       bool isCooked;
    00063     } keyboard;
    00064     int mouseButton;
    00065     int mouseAxis;
    00066     int joystickButton;
    00067     int joystickAxis;
    00068   };
    00069
    00070   void Initialize (uint32 honorModifiers, bool useCookedCode);
    00071   void InitializeFromEvent (iEvent *ev);
    00072
    00073   friend class csInputBinder;
    00074
    00075 public:
    00082   csInputDefinition (iEventNameRegistry* name_reg,
    00083                      uint32 honorModifiers = 0, bool useCookedCode = false);
    00084
    00086   csInputDefinition (const csInputDefinition &other);
    00087
    00095   csInputDefinition (iEventNameRegistry* name_reg, iEvent *event,
    00096                      uint32 honorModifiers = 0, bool useCookedCode = false);
    00097
    00104   csInputDefinition (iEventNameRegistry* name_reg, iEvent *event, uint8 axis);
    00105
    00121   csInputDefinition (iEventNameRegistry* name_reg, const char *string,
    00122                      uint32 honorModifiers = 0, bool useCookedCode = false);
    00123
    00131   csString ToString (bool distinguishModifiers = true) const;
    00132
    00134   bool IsValid () const;
    00135
    00137   csEventID GetName () const { return containedName; }
    00138
    00140   void SetName (csEventID n) { containedName = n; }
    00141
    00148   bool GetKeyCode (utf32_char &code, bool &isCooked) const
    00149   { code = keyboard.code;
    00150     isCooked = keyboard.isCooked;
    00151     return (containedName == csevKeyboardEvent(name_reg)); }
    00152
    00154   bool SetKeyCode (utf32_char code)
    00155   { if (containedName != csevKeyboardEvent(name_reg)) return false;
    00156     keyboard.code = code;
    00157     return true; }
    00158
    00164   int GetNumber () const { return mouseButton; }
    00165
    00171   void SetNumber (int n) { mouseButton = n; }
    00172
    00174   const csKeyModifiers& GetModifiers () const { return modifiers; }
    00175
    00177   const uint GetDeviceNumber () const { return deviceNumber; }
    00178
    00180   void SetModifiers (const csKeyModifiers &mods) { modifiers = mods; }
    00181
    00183   uint32 ComputeHash () const;
    00184
    00186   int Compare (csInputDefinition const &) const;
    00187
    00200   static bool ParseKey (iEventNameRegistry* reg,
    00201                         const char *iStr, utf32_char *oKeyCode,
    00202                         utf32_char *oCookedCode, csKeyModifiers *oModifiers);
    00203
    00220   static bool ParseOther (iEventNameRegistry* reg,
    00221                           const char *iStr, csEventID *oType, uint *oDevice,
    00222                           int *oNumeric, csKeyModifiers *oModifiers);
    00223
    00235   static csString GetKeyString (iEventNameRegistry* reg,
    00236                                 utf32_char code, const csKeyModifiers *mods,
    00237                                 bool distinguishModifiers = true);
    00238
    00253   static csString GetOtherString (iEventNameRegistry* reg,
    00254                                   csEventID type, uint device, int num,
    00255                                   const csKeyModifiers *mods,
    00256                                   bool distinguishModifiers = true);
    00257 };
    00258
    00263 template<>
    00264 class csComparator<csInputDefinition, csInputDefinition>
    00265 {
    00266 public:
    00267   static int Compare (csInputDefinition const& r1, csInputDefinition const& r2)
    00268   {
    00269     return r1.Compare (r2);
    00270   }
    00271 };
    00272
    00277 template<>
    00278 class csHashComputer<csInputDefinition>
    00279 {
    00280 public:
    00281   static uint ComputeHash (csInputDefinition const& key)
    00282   {
    00283     return key.ComputeHash ();
    00284   }
    00285 };
    00286
    00287 #endif // __CS_UTIL_INPUTDEF_H__