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Date: Tue, 05 Jul 2005 21:43:26 +1000 From: Sean Childs Subject: [SDL] Compiling SDL 1.2.8 with the free Borland compiler When compiling SDL 1.2.8 with the free Borland compiler, I received this error (there is a similar error that occurs in src\video\windx5\sdl_dx5events.c): Error E2342 ..\..\src\video\windib\sdl_dibevents.c 189: Type mismatch in parameter 'lpPrevWndFunc' (wanted 'int (__stdcall *)()', got 'long (__stdcall *)(void *,unsigned int,unsigned int,long)') in function DIB_HandleMessage I checked the MSDN library at: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/ windowsuserinterface/windowing/windowprocedures/windowprocedurereference/wind owprocedurefunctions/callwindowproc.asp and it had this to say: If STRICT is not defined, the lpPrevWndFunc parameter has the data type FARPROC. The FARPROC type is declared as follows: int (FAR WINAPI * FARPROC) () In C, the FARPROC declaration indicates a callback function that has an unspecified parameter list. In C++, however, the empty parameter list in the declaration indicates that a function has no parameters. This subtle distinction can break careless code. Following is one way to handle this situation: #ifdef STRICT WNDPROC MyWindowProcedure #else FARPROC MyWindowProcedure #endif ... lResult = CallWindowProc(MyWindowProcedure, ...)
author Sam Lantinga <slouken@libsdl.org>
date Tue, 31 Jan 2006 15:30:42 +0000
parents 28ac87a38c17
children c9b51268668f
line wrap: on
line source

/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2004 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    Sam Lantinga
    slouken@libsdl.org
*/

#ifdef SAVE_RCSID
static char rcsid =
 "@(#) $Id$";
#endif

/* Useful functions and variables from SDL_events.c */
#include "SDL_events.h"

/* Start and stop the event processing loop */
extern int SDL_StartEventLoop(Uint32 flags);
extern void SDL_StopEventLoop(void);
extern void SDL_QuitInterrupt(void);

extern void SDL_Lock_EventThread();
extern void SDL_Unlock_EventThread();
extern Uint32 SDL_EventThreadID(void);

/* Event handler init routines */
extern int  SDL_AppActiveInit(void);
extern int  SDL_KeyboardInit(void);
extern int  SDL_MouseInit(void);
extern int  SDL_QuitInit(void);

/* Event handler quit routines */
extern void SDL_AppActiveQuit(void);
extern void SDL_KeyboardQuit(void);
extern void SDL_MouseQuit(void);
extern void SDL_QuitQuit(void);

/* The event filter function */
extern SDL_EventFilter SDL_EventOK;

/* The array of event processing states */
extern Uint8 SDL_ProcessEvents[SDL_NUMEVENTS];

/* Internal event queueing functions
   (from SDL_active.c, SDL_mouse.c, SDL_keyboard.c, SDL_quit.c, SDL_events.c)
 */
extern int SDL_PrivateAppActive(Uint8 gain, Uint8 state);
extern int SDL_PrivateMouseMotion(Uint8 buttonstate, int relative,
						Sint16 x, Sint16 y);
extern int SDL_PrivateMouseButton(Uint8 state, Uint8 button,Sint16 x,Sint16 y);
extern int SDL_PrivateKeyboard(Uint8 state, SDL_keysym *key);
extern int SDL_PrivateResize(int w, int h);
extern int SDL_PrivateExpose(void);
extern int SDL_PrivateQuit(void);
extern int SDL_PrivateSysWMEvent(SDL_SysWMmsg *message);

/* Used by the activity event handler to remove mouse focus */
extern void SDL_ResetMouse(void);

/* Used by the activity event handler to remove keyboard focus */
extern void SDL_ResetKeyboard(void);

/* Used by the event loop to queue pending keyboard repeat events */
extern void SDL_CheckKeyRepeat(void);

/* Used by the OS keyboard code to detect whether or not to do UNICODE */
#ifndef DEFAULT_UNICODE_TRANSLATION
#define DEFAULT_UNICODE_TRANSLATION 0	/* Default off because of overhead */
#endif
extern int SDL_TranslateUNICODE;