/***************************************************************************
                          key.c  -  description
                             -------------------
    begin                : Sun Oct 28 2001
    copyright            : (C) 2001 by Pete Bernert
    email                : BlackDove@addcom.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version. See also the license.txt file for *
 *   additional informations.                                              *
 *                                                                         *
 ***************************************************************************/

#define _IN_KEY

#include "externals.h"
#include "menu.h"
#include "gpu.h"
#include "draw.h"
#include "key.h"

#include "record.h"

////////////////////////////////////////////////////////////////////////
// KeyBoard handler stuff
////////////////////////////////////////////////////////////////////////

WNDPROC                wpOrgWndProc=0;
unsigned long          ulKeybits=0;
char                   szGPUKeys[11];

////////////////////////////////////////////////////////////////////////
// keyboard handler
////////////////////////////////////////////////////////////////////////

void CALLBACK GPUshowScreenPic(unsigned char * pMem);
void CALLBACK GPUgetScreenPic(unsigned char * pMem);

LRESULT CALLBACK KeyWndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)
{
 switch(message)
  {
   //--------------------------------------------------//
   case WM_ACTIVATE:                                   // some scanline window mode fixing stuff
   case WM_MOVE:
    {
     if(!iUseScanLines) break;
     if(!iWindowMode)    break;
     if(bIsFirstFrame)  break;
     MoveScanLineArea(hwnd);
    }break;
   //--------------------------------------------------//
   case WM_KEYDOWN:                                    // keydown
    if(wParam==(WPARAM)szGPUKeys[2]) ulKeybits|=KEY_RESETTEXSTORE;
    break;
   //--------------------------------------------------//
   case WM_SYSKEYUP:                                   // alt+enter
    if(wParam==VK_RETURN) bChangeWinMode=TRUE;
   break;
   //--------------------------------------------------//
   case WM_KEYUP:                                      // key up

     if(iDebugMode && wParam==(WPARAM)szGPUKeys[9]) 
      iFVDisplay=!iFVDisplay;

     if(wParam==(WPARAM)szGPUKeys[0])
      {
       if(ulKeybits&KEY_SHOWFPS)
        {
         DestroyPic();
         ulKeybits&=~KEY_SHOWFPS;
         DoClearScreenBuffer();
        }
       else
        {
         ulKeybits|=KEY_SHOWFPS;
         szDispBuf[0]=0;
         BuildDispMenu(0);
        }
       break;
      }
     if(wParam==(WPARAM)szGPUKeys[1]) {ShowGpuPic();break;}

     if(wParam==(WPARAM)szGPUKeys[6])
	  {
	   if(RECORD_RECORDING==TRUE)
	    {RECORD_RECORDING=FALSE;RECORD_Stop();}
	   else
	    {RECORD_RECORDING=TRUE;RECORD_Start();}
	   BuildDispMenu(0);
	   break;
	  }

     if(wParam==(WPARAM)szGPUKeys[2]) {SwitchDispMenu(-1); break;}
     if(wParam==(WPARAM)szGPUKeys[3]) {SwitchDispMenu(1);  break;}
     if(wParam==(WPARAM)szGPUKeys[4]) {BuildDispMenu(-1);  break;}
     if(wParam==(WPARAM)szGPUKeys[5]) {BuildDispMenu( 1);  break;}
     if(wParam==(WPARAM)szGPUKeys[7]) {bVsync_Key = bVsync_Key==TRUE ? FALSE : TRUE;  BuildDispMenu(0);break;}
     if(wParam==(WPARAM)szGPUKeys[8])         
      {
       iFastFwd = 1 - iFastFwd; 
       bSkipNextFrame = FALSE; 
       UseFrameSkip=iFastFwd;
       BuildDispMenu(0);
       break;
      }
    break;
   //--------------------------------------------------//
  }
 return wpOrgWndProc( hwnd, message, wParam, lParam );
}

////////////////////////////////////////////////////////////////////////

void SetKeyHandler(void)
{
 if(!wpOrgWndProc)                                     // setup keyhandler
  {
   wpOrgWndProc = (WNDPROC)GetWindowLong(hWGPU, GWL_WNDPROC );
   SetWindowLong(hWGPU, GWL_WNDPROC, (long)KeyWndProc);
  }
}

////////////////////////////////////////////////////////////////////////

void ReleaseKeyHandler(void)
{
 if(wpOrgWndProc)
  SetWindowLong(hWGPU,GWL_WNDPROC,              // set old proc
                (long)wpOrgWndProc);
 wpOrgWndProc = 0;                                      
}