//===========================================================================
void ProcessButtonClick (int button, int mod) {
// button - number of button pressed (starting with 0, which means F1
// mod - what modifiers been set (like CTRL, ALT etc.)
	SDL_Event qe;	// for Quitting and Reset

	SoundCore_SetFade(FADE_OUT); // sound/music off?

  switch (button) {

    case BTN_HELP:	// will get some help on the screen?
	    FrameShowHelpScreen(screen->w, screen->h);

//         TCHAR filename[MAX_PATH];
//         _tcscpy(filename,g_sProgramDir);
//         _tcscat(filename,TEXT("APPLEWIN.CHM"));
//         HtmlHelp(g_hFrameWindow,filename,HH_DISPLAY_TOC,0);
//         helpquit = 1;
      break;

    case BTN_RUN:	// F2 - Run that thing! Or Shift+2 ReloadConfig and run it anyway!
	if(mod & KMOD_SHIFT) {
		  restart = 1;	// keep up flag of restarting
		  qe.type = SDL_QUIT;
		  SDL_PushEvent(&qe);// push quit event
	}
	else {
      if (g_nAppMode == MODE_LOGO)
        DiskBoot();
      else if (g_nAppMode == MODE_RUNNING)
        ResetMachineState();
      if ((g_nAppMode == MODE_DEBUG) || (g_nAppMode == MODE_STEPPING))
        DebugEnd();
      g_nAppMode = MODE_RUNNING;
      DrawStatusArea(/*(HDC)0,*/DRAW_TITLE);
      VideoRedrawScreen();
      g_bResetTiming = true;
	}
      break;

    case BTN_DRIVE1:
    case BTN_DRIVE2:
	    if (mod & KMOD_SHIFT) {
		if(mod & KMOD_ALT)
			HD_FTP_Select(button - BTN_DRIVE1);// select HDV image through FTP
		else HD_Select(button - BTN_DRIVE1);	// select HDV image from local disk
	    }
      	    else {
		if(mod & KMOD_ALT) Disk_FTP_SelectImage(button - BTN_DRIVE1);//select through FTP
		else DiskSelect(button - BTN_DRIVE1); // select image file for appropriate disk drive(#1 or #2)
	    }
/*      if (!fullscreen)
        DrawButton((HDC)0,button);*/
      break;

    case BTN_DRIVESWAP:	// F5 - swap disk drives
      DiskDriveSwap();
      break;

    case BTN_FULLSCR:	// F6 - Fullscreen on/off
      if (fullscreen) { fullscreen = 0;
        SetNormalMode(); }
      else { fullscreen = 1;
        SetFullScreenMode();}
      break;

    case BTN_DEBUG:	// F7 - debug mode - not implemented yet? Please, see README about it. --bb
/*		if (g_nAppMode == MODE_LOGO)
		{
			ResetMachineState();
		}

		if (g_nAppMode == MODE_STEPPING)
		{
			DebuggerInputConsoleChar( DEBUG_EXIT_KEY );
		}
		else
		if (g_nAppMode == MODE_DEBUG)
		{
			g_bDebugDelayBreakCheck = true;
			ProcessButtonClick(BTN_RUN);
		}
		else
		{
			DebugBegin();
		}*/
      break;

    case BTN_SETUP:	// setup is in conf file - linapple.conf.
	    		// may be it should be implemented using SDL??? 0_0 --bb
	// Now Shift-F8 save settings changed run-tme in linapple.conf
	// F8 - save current screen as a .bmp file
	    // Currently these setting are just next:
	if(mod & KMOD_SHIFT) {
		RegSaveValue(TEXT("Configuration"),TEXT("Video Emulation"),1,videotype);
		RegSaveValue(TEXT("Configuration"),TEXT("Emulation Speed"),1,g_dwSpeed);
		RegSaveValue(TEXT("Configuration"),TEXT("Fullscreen"),1,fullscreen);
	}
	else {
		FrameSaveBMP();
	}

//      {
//		  PSP_Init();
      //}
      break;


////////////////////////// my buttons handlers F9..F12 ////////////////////////////
    case BTN_CYCLE: // F9 - CYCLE through allowed video modes
//	  printf("F9 has been pressed!\n");
	  videotype++;	// Cycle through available video modes
	  if (videotype >= VT_NUM_MODES)
		  videotype = 0;
	  VideoReinitialize();
	  if ((g_nAppMode != MODE_LOGO) || ((g_nAppMode == MODE_DEBUG) && (g_bDebuggerViewingAppleOutput))) // +PATCH
	  {
		  VideoRedrawScreen();
		  g_bDebuggerViewingAppleOutput = true;  // +PATCH
	  }

  	  break;
    case BTN_QUIT:	// F10 - exit from emulator?

		qe.type = SDL_QUIT;
		SDL_PushEvent(&qe);// push quit event
		break;	//

    case BTN_SAVEST:	// Save state (F11)
	    if(mod & KMOD_ALT) { // quick save
		    Snapshot_SaveState();
	    }
	  else
	  if(PSP_SaveStateSelectImage(true))
	  {
		  Snapshot_SaveState();
	  }
  	break;
    case BTN_LOADST:	// Load state (F12) or Hot Reset (Ctrl+F12)
	    if(mod & KMOD_CTRL) {
			// Ctrl+Reset
			if (!IS_APPLE2)
				MemResetPaging();

			DiskReset();
			KeybReset();
			if (!IS_APPLE2)
				VideoResetState();	// Switch Alternate char set off
			MB_Reset();
			CpuReset();
		}
	else if(mod & KMOD_ALT)	// quick load state
	{
		Snapshot_LoadState();
	}
    	else if(PSP_SaveStateSelectImage(false))
    	  {
	   	Snapshot_LoadState();
    	  }
	  break;
}//switch (button)
//////////////////////////////////////////// end of my buttons handlers //////////////////

  if((g_nAppMode != MODE_DEBUG) && (g_nAppMode != MODE_PAUSED))
  {
	  SoundCore_SetFade(FADE_IN);
  }
}
//===========================================================================
void KeybQueueKeypress (int key, BOOL bASCII)
{
        static bool bFreshReset;

	if (bASCII == ASCII)
	{       
	        if (bFreshReset && key == 0x03) {
			bFreshReset = 0;
	                return; // Swallow spurious CTRL-C caused by CTRL-BREAK
	        }
	        bFreshReset = 0;
		if (key > 0x7F)
			return;

		if (apple2e) 
		        if (capslock && (key >= 'a') && (key <='z'))
		                keycode = key - 32;
		         else
			        keycode = key;
		else
                        if (key >= '`')
			        keycode = key - 32;
			else
			        keycode = key;

		lastvirtkey = LOBYTE(VkKeyScan(key));
	}
	else
	{
		if ((key == VK_CANCEL) && (GetKeyState(VK_CONTROL) < 0))
		{
			// Ctrl+Reset
			if (apple2e)
				MemResetPaging();

			DiskReset();
			KeybReset();
			if (apple2e)
			        VideoResetState();	// Switch Alternate char set off
			MB_Reset();

#ifndef KEY_OLD
			g_nNextInIdx = g_nNextOutIdx = g_nKeyBufferCnt = 0;
#endif

			CpuReset();
			bFreshReset = 1;
			return;
		}

		if ((key == VK_INSERT) && (GetKeyState(VK_SHIFT) < 0))
		{
			// Shift+Insert
			ClipboardInitiatePaste();
			return;
		}

		if (!((key >= VK_LEFT) && (key <= VK_DELETE) && asciicode[apple2e][key - VK_LEFT]))
			return;

		keycode = asciicode[apple2e][key - VK_LEFT];		// Convert to Apple arrow keycode
		lastvirtkey = key;
	}
#ifdef KEY_OLD
	keywaiting = 1;
#else
	bool bOverflow = false;

	if(g_nKeyBufferCnt < g_nKeyBufferSize)
		g_nKeyBufferCnt++;
	else
		bOverflow = true;

	g_nKeyBuffer[g_nNextInIdx].nVirtKey = lastvirtkey;
	g_nKeyBuffer[g_nNextInIdx].nAppleKey = keycode;
	g_nNextInIdx = (g_nNextInIdx + 1) % g_nKeyBufferSize;

	if(bOverflow)
		g_nNextOutIdx = (g_nNextOutIdx + 1) % g_nKeyBufferSize;
#endif
}
//===========================================================================
void KeybQueueKeypress (int key, BOOL bASCII)
{
	static bool bFreshReset = false;

	if (bASCII == ASCII)
	{
		if (bFreshReset && key == 0x03)
		{
			bFreshReset = false;
			return; // Swallow spurious CTRL-C caused by CTRL-BREAK
		}

		bFreshReset = false;
		if (key > 0x7F)
			return;

		if (!IS_APPLE2) 
		{
			P8Shift = false;
			if (g_bCapsLock && (key >= 'a') && (key <='z'))
			{
				P8Shift = true;
				keycode = key - 32;
			}
			else
			{
				keycode = key;
			}			

			//The latter line should be applied for Pravtes 8A/C only, but not for Pravets 82/M !!!			
			if ((g_bCapsLock == false) && (key >= 'A') && (key <='Z'))
			{
				P8Shift = true;
				if (g_Apple2Type == A2TYPE_PRAVETS8A) 
					keycode = key + 32;
			}

			//Remap some keys for Pravets82/M
			if (g_Apple2Type == A2TYPE_PRAVETS82)
			{
				if (key == 64) 
					keycode = 96;
				if (key == '^') 
					keycode = '~';

				if (g_bCapsLock == false) //cyrillic letters
				{
					if (key == '`') keycode = '^';
					if (key == 92) keycode = '@'; // \ to @	
					if (key == 124) keycode = 92;
				}
				else //(g_bCapsLock == true) //latin letters
				{
					if (key == 91) keycode = 123;
					if (key == 93) keycode = 125;
					if (key == 124) keycode = 92;
				}
			}
			if (g_Apple2Type == A2TYPE_PRAVETS8M)  //Pravets 8M charset is still uncertain
			{
				if (g_bCapsLock == false) //cyrillic letters
				{
					if (key == '[') keycode = '{';
					if (key == ']') keycode = '}';
					if (key == '`') keycode = '~'; //96= key `~
					if (key == 92) keycode = 96;
				}
				else //latin letters
				{
					if (key == '`') 
						keycode = '^'; //96= key `~
				}
			}
			//Remap some keys for Pravets8A/C, which has a different charset for Pravtes82/M, whose keys MUST NOT be remapped.
			if (g_Apple2Type == A2TYPE_PRAVETS8A) //&& (g_bCapsLock == false))
			{
				if (g_bCapsLock == false) //i.e. cyrillic letters
			    {
					if (key == '[') keycode = '{';
					if (key == ']') keycode = '}';
					if (key == '`') keycode = '~';
					if (key == 92) keycode = 96;
					if (GetCapsLockAllowed ()== true)
					{
						if ((key == 92) || (key == 124)) keycode = 96; //Ý to Þ
						//This shall be rewriten, so that enabling CAPS_LOCK (i.e. F10) will not invert these keys values)
						//The same for latin letters.
						if ((key == '{') || (key == '}') || (key == '~') || (key == 124) || (key == '^') ||  (key == 95))
							P8Shift = true;					
					}
				}
				else //i.e. latin letters
				{
					if (GetCapsLockAllowed()  == false)
					{
						if (key == '{') keycode = '[';
						if (key == '}') keycode = ']';
						if (key == 124) 
							keycode = 92;
						/*if (key == 92) 
							keycode = 124;*/
					//Characters ` and ~ cannot be generated in 7bit character mode, so they are replaced with
					}
					else
					{
						if (key == '{') keycode = 91;
						if (key == '}')	keycode = 93;
						if (key == 124)	keycode = 92;					
						if ((key == '[') || (key == ']') || (key == 92) || (key == '^') || (key == 95))
							P8Shift= true; 
						if (key == 96)	 //This line shall generate sth. else i.e. ` In fact. this character is not generateable by the pravets keyboard.
						{
							keycode = '^';
							P8Shift= true;
						}
						if (key == 126)	keycode = '^';
					}
				}
			}
		}
		else
		{
			if (g_Apple2Type == A2TYPE_PRAVETS8A)
			{
			}
			else
			{
				if (key >= '`')
					keycode = key - 32;
				else
					keycode = key;
			}
		}
		lastvirtkey = LOBYTE(VkKeyScan(key));
	} 
	else //(bASCII != ASCII)
	{
		if ((key == VK_CANCEL) && (GetKeyState(VK_CONTROL) < 0))
		{
			// Ctrl+Reset
			if (!IS_APPLE2)
				MemResetPaging();

			DiskReset();
			KeybReset();
			if (!IS_APPLE2)
				VideoResetState();	// Switch Alternate char set off
			MB_Reset();

#ifndef KEY_OLD
			g_nNextInIdx = g_nNextOutIdx = g_nKeyBufferCnt = 0;
#endif

			CpuReset();
			bFreshReset = true;
			return;
		}

		if ((key == VK_INSERT) && (GetKeyState(VK_SHIFT) < 0))
		{
			// Shift+Insert
			ClipboardInitiatePaste();
			return;
		}

		if (!((key >= VK_LEFT) && (key <= VK_DELETE) && asciicode[IS_APPLE2 ? 0 : 1][key - VK_LEFT]))
			return;

		keycode = asciicode[IS_APPLE2 ? 0 : 1][key - VK_LEFT];		// Convert to Apple arrow keycode
		lastvirtkey = key;
	}
#ifdef KEY_OLD
	keywaiting = 1;
#else
	bool bOverflow = false;

	if(g_nKeyBufferCnt < g_nKeyBufferSize)
		g_nKeyBufferCnt++;
	else
		bOverflow = true;

	g_nKeyBuffer[g_nNextInIdx].nVirtKey = lastvirtkey;
	g_nKeyBuffer[g_nNextInIdx].nAppleKey = keycode;
	g_nNextInIdx = (g_nNextInIdx + 1) % g_nKeyBufferSize;

	if(bOverflow)
		g_nNextOutIdx = (g_nNextOutIdx + 1) % g_nKeyBufferSize;
#endif
}