csinput.h Source File

00001 /*
00002     Crystal Space input library
00003     Copyright (C) 1998,2000 by Jorrit Tyberghein
00004     Written by Andrew Zabolotny <bit@eltech.ru>
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_CSINPUT_H__
00022 #define __CS_CSINPUT_H__
00023 
00029 #include "csutil/scf.h"
00030 #include "csutil/bitset.h"
00031 #include "iutil/csinput.h"
00032 #include "iutil/eventh.h"
00033 #include "iutil/comp.h"
00034 struct iEvent;
00035 struct iEventQueue;
00036 struct iObjectRegistry;
00037 
00041 class csInputDriver
00042 {
00043 private:
00044   bool Registered;
00045 protected:
00046   iObjectRegistry* Registry;
00047   iEventHandler* Listener;
00048   csInputDriver(iObjectRegistry*);
00049   virtual ~csInputDriver();
00050   iEventQueue* GetEventQueue();
00051   virtual void LostFocus() = 0;
00052   virtual void Post(iEvent*);
00053   virtual bool HandleEvent(iEvent&);
00054   friend struct FocusListener;
00055   void StartListening();
00056   void StopListening();
00057 };
00058 
00064 class csKeyboardDriver : public csInputDriver, public iKeyboardDriver
00065 {
00066 protected:
00068   csBitSet KeyState;
00069 
00074   virtual void SetKeyState (int iKey, bool iDown);
00075 
00076 public:
00077   SCF_DECLARE_IBASE;
00078 
00080   csKeyboardDriver (iObjectRegistry*);
00082   virtual ~csKeyboardDriver ();
00083 
00085   virtual void Reset ();
00086 
00088   virtual void DoKey (int iKey, int iChar, bool iDown);
00089 
00095   virtual bool GetKeyState (int iKey);
00096 
00098   virtual void LostFocus() { Reset(); }
00099 
00100   struct eiEventHandler : public iEventHandler
00101   {
00102     SCF_DECLARE_EMBEDDED_IBASE(csKeyboardDriver);
00103     virtual bool HandleEvent(iEvent& e) { return scfParent->HandleEvent(e); }
00104   } scfiEventHandler;
00105   friend struct eiEventHandler;
00106 };
00107 
00113 class csMouseDriver : public csInputDriver, public iMouseDriver
00114 {
00115 private:
00116   // Generic keyboard driver (for checking modifier key states).
00117   iKeyboardDriver* Keyboard;
00118 
00119 protected:
00121   csTicks LastClickTime;
00123   int LastClickButton;
00125   int LastClickX, LastClickY;
00127   int LastX, LastY;
00129   bool Button [CS_MAX_MOUSE_BUTTONS];
00131   csTicks DoubleClickTime;
00133   size_t DoubleClickDist;
00135   iKeyboardDriver* GetKeyboardDriver();
00136 
00137 public:
00138   SCF_DECLARE_IBASE;
00139 
00141   csMouseDriver (iObjectRegistry*);
00143   virtual ~csMouseDriver ();
00144 
00146   virtual void SetDoubleClickTime (int iTime, size_t iDist);
00147 
00149   virtual void Reset ();
00150 
00152   virtual int GetLastX () { return LastX; }
00154   virtual int GetLastY () { return LastY; }
00156   virtual bool GetLastButton (int button)
00157   {
00158     return (button > 0 && button <= CS_MAX_MOUSE_BUTTONS) ?
00159       Button [button - 1] : false;
00160   }
00161 
00163   virtual void DoButton (int button, bool down, int x, int y);
00165   virtual void DoMotion (int x, int y);
00166 
00168   virtual void LostFocus() { Reset(); }
00169 
00170   struct eiEventHandler : public iEventHandler
00171   {
00172     SCF_DECLARE_EMBEDDED_IBASE(csMouseDriver);
00173     virtual bool HandleEvent(iEvent& e) { return scfParent->HandleEvent(e); }
00174   } scfiEventHandler;
00175   friend struct eiEventHandler;
00176 };
00177 
00183 class csJoystickDriver : public csInputDriver, public iJoystickDriver
00184 {
00185 private:
00186   // Generic keyboard driver (for checking modifier key states).
00187   iKeyboardDriver* Keyboard;
00188 protected:
00190   bool Button [CS_MAX_JOYSTICK_COUNT][CS_MAX_JOYSTICK_BUTTONS];
00192   int LastX [CS_MAX_JOYSTICK_COUNT], LastY [CS_MAX_JOYSTICK_COUNT];
00194   iKeyboardDriver* GetKeyboardDriver();
00195 
00196 public:
00197   SCF_DECLARE_IBASE;
00198 
00200   csJoystickDriver (iObjectRegistry*);
00202   virtual ~csJoystickDriver ();
00203 
00205   virtual void Reset ();
00206 
00208   virtual int GetLastX (int number) { return LastX [number]; }
00210   virtual int GetLastY (int number) { return LastY [number]; }
00212   virtual bool GetLastButton (int number, int button)
00213   {
00214     return (number > 0 && number <= CS_MAX_JOYSTICK_COUNT
00215          && button > 0 && button <= CS_MAX_JOYSTICK_BUTTONS) ?
00216             Button [number - 1] [button - 1] : false;
00217   }
00218 
00220   virtual void DoButton (int number, int button, bool down, int x, int y);
00222   virtual void DoMotion (int number, int x, int y);
00223 
00225   virtual void LostFocus() { Reset(); }
00226 
00227   struct eiEventHandler : public iEventHandler
00228   {
00229     SCF_DECLARE_EMBEDDED_IBASE (csJoystickDriver);
00230     virtual bool HandleEvent(iEvent& e) { return scfParent->HandleEvent(e); }
00231   } scfiEventHandler;
00232   friend struct eiEventHandler;
00233 };
00234 
00235 #endif // __CS_CSINPUT_H__