Mercurial > sdl-ios-xcode
annotate src/video/qtopia/SDL_lowvideo.h @ 1303:52b5afd7ecee
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> |
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date | Tue, 31 Jan 2006 15:30:42 +0000 |
parents | b8d311d90021 |
children | c9b51268668f |
rev | line source |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2004 Sam Lantinga |
371
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4 |
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5 This library is free software; you can redistribute it and/or |
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6 modify it under the terms of the GNU Library General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2 of the License, or (at your option) any later version. |
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9 |
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10 This library is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 Library General Public License for more details. |
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14 |
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15 You should have received a copy of the GNU Library General Public |
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16 License along with this library; if not, write to the Free |
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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18 |
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19 Sam Lantinga |
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20 slouken@libsdl.org |
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21 */ |
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22 |
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23 #ifdef SAVE_RCSID |
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24 static char rcsid = |
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25 "@(#) $Id$"; |
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26 #endif |
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27 |
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28 #ifndef _SDL_lowvideo_h |
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29 #define _SDL_lowvideo_h |
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30 |
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31 #include "SDL_mouse.h" |
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32 #include "SDL_sysvideo.h" |
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33 |
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34 /* Hidden "this" pointer for the video functions */ |
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35 #define _THIS SDL_VideoDevice *_this |
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36 |
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37 /* Private display data */ |
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38 struct SDL_PrivateVideoData { |
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39 /* The main window */ |
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40 SDL_QWin *SDL_Win; |
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41 |
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42 /* The fullscreen mode list */ |
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43 #define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */ |
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44 int SDL_nummodes[NUM_MODELISTS]; |
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45 SDL_Rect **SDL_modelist[NUM_MODELISTS]; |
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46 |
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47 /* A completely clear cursor */ |
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48 WMcursor *BlankCursor; |
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49 |
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50 /* Mouse state variables */ |
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51 Uint32 last_buttons; |
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52 QPoint last_point; |
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53 |
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54 /* Keyboard state variables */ |
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55 int key_flip; |
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56 //struct key_info keyinfo[2]; |
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57 }; |
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58 /* Old variable names */ |
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59 #define SDL_Win (_this->hidden->SDL_Win) |
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60 #define saved_mode (_this->hidden->saved_mode) |
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61 #define SDL_nummodes (_this->hidden->SDL_nummodes) |
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62 #define SDL_modelist (_this->hidden->SDL_modelist) |
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63 #define SDL_BlankCursor (_this->hidden->BlankCursor) |
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64 #define last_buttons (_this->hidden->last_buttons) |
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65 #define last_point (_this->hidden->last_point) |
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66 #define key_flip (_this->hidden->key_flip) |
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67 #define keyinfo (_this->hidden->keyinfo) |
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68 |
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69 #endif /* _SDL_lowvideo_h */ |