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To: sdl@libsdl.org
From: Christian Walther <cwalther@gmx.ch>
Date: Wed, 28 Dec 2005 12:13:20 +0100
Subject: [SDL] Fix for opening documents on Mac OS X < 10.4
The current code in SDLMain.m that transforms documents opened from the
Finder into command-line arguments (introduced in revision 1.14,
2005-08-11) uses the methods -[NSString lengthOfBytesUsingEncoding:] and
-[NSString getCString:maxLength:encoding:], which are only available in
Mac OS X 10.4.
Compiling this code on 10.3 produces warnings, and running it (i.e.
starting an SDL application by opening a document) leads to weird
behavior which I didn't investigate in detail ("*** -[NSCFString
lengthOfBytesUsingEncoding:]: selector not recognized" is printed to the
console log, and the SDL window never opens).
The attached patch removes the offending calls and uses -[NSString
UTF8String] instead, which is available everywhere. Tested on 10.3.9,
and I see no reason why it shouldn't also work on 10.2 and 10.4.
Two further comments:
* The comment above the -[SDLMain application: openFile:] implementation
says "You need to have a CFBundleDocumentsType section in your
Info.plist to get this message, apparently." This is not the case in my
experience - it worked just fine with a hand-built bare-bones
application consisting only of Test.app/Contents/MacOS/test, without any
Info.plist (although you have to press the option and command keys for
such an application to accept a dragged file).
* I took the liberty of cleaning up another area of SDLMain.m: I changed
"CustomApplicationMain (argc, argv)" to "CustomApplicationMain (int
argc, char **argv)". This avoids the "type of `argv' defaults to `int'"
warnings, and I'm not sure if leaving out the types could cause problems
on platforms where an int and a char** aren't of the same size.
-Christian
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Sun, 01 Jan 2006 23:45:52 +0000 |
| parents | dad72daf44b3 |
| children | 11134dc42da8 |
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#GL=1 CC = sh-elf-gcc -ml -m4-single-only AR = sh-elf-ar KOS_BASE=/prog/kos-1.1.7 INCS = -I$(KOS_BASE)/libc/include -I$(KOS_BASE)/include -I$(KOS_BASE)/kernel/arch/dreamcast/include DEFS =-DNO_SIGNAL_H -DENABLE_DC ifdef GL DEFS += -DHAVE_OPENGL TARGET = libSDL_gl.a else TARGET = libSDL.a endif OPTFLAGS=-O2 -fomit-frame-pointer CFLAGS=-D_arch_dreamcast $(DEFS) $(INCS) -Iinclude -Isrc -Isrc/audio -Isrc/cdrom -Isrc/endian -Isrc/events -Isrc/joystick -Isrc/thread/dc -Isrc/thread -Isrc/timer -Isrc/video $(OPTFLAGS) SRCS = \ src/audio/dc/SDL_dcaudio.c \ src/audio/dc/aica.c \ src/audio/SDL_audio.c \ src/audio/SDL_audiocvt.c \ src/audio/SDL_audiodev.c \ src/audio/SDL_audiomem.c \ src/audio/SDL_mixer.c \ src/audio/SDL_wave.c \ src/cdrom/dc/SDL_syscdrom.c \ src/cdrom/SDL_cdrom.c \ src/endian/SDL_endian.c \ src/events/SDL_active.c \ src/events/SDL_events.c \ src/events/SDL_expose.c \ src/events/SDL_keyboard.c \ src/events/SDL_mouse.c \ src/events/SDL_quit.c \ src/events/SDL_resize.c \ src/file/SDL_rwops.c \ src/joystick/dc/SDL_sysjoystick.c \ src/joystick/SDL_joystick.c \ src/SDL.c \ src/SDL_error.c \ src/SDL_fatal.c \ src/SDL_getenv.c \ src/SDL_loadso.c \ src/thread/dc/SDL_syscond.c \ src/thread/dc/SDL_sysmutex.c \ src/thread/dc/SDL_syssem.c \ src/thread/dc/SDL_systhread.c \ src/thread/SDL_thread.c \ src/timer/dc/SDL_systimer.c \ src/timer/SDL_timer.c \ src/video/dc/SDL_dcevents.c \ src/video/dc/SDL_dcvideo.c \ src/video/SDL_blit.c \ src/video/SDL_blit_0.c \ src/video/SDL_blit_1.c \ src/video/SDL_blit_A.c \ src/video/SDL_blit_N.c \ src/video/SDL_bmp.c \ src/video/SDL_cursor.c \ src/video/SDL_gamma.c \ src/video/SDL_pixels.c \ src/video/SDL_RLEaccel.c \ src/video/SDL_stretch.c \ src/video/SDL_surface.c \ src/video/SDL_video.c \ src/video/SDL_yuv.c \ src/video/SDL_yuv_sw.c \ OBJS = $(SRCS:.c=.o) TEST = \ test/checkkeys.c \ test/graywin.c \ test/loopwave.c \ test/testalpha.c \ test/testbitmap.c \ test/testcdrom.c \ test/testerror.c \ test/testgamma.c \ test/testgl.c \ test/testhread.c \ test/testjoystick.c \ test/testkeys.c \ test/testlock.c \ test/testoverlay.c \ test/testpalette.c \ test/testsem.c \ test/testsprite.c \ test/testtimer.c \ test/testtypes.c \ test/testver.c \ test/testvidinfo.c \ test/testwin.c \ test/testwm.c \ test/threadwin.c \ test/torturethread.c \ clean: rm $(OBJS) $(TARGET) : $(OBJS) $(AR) rcs $(TARGET) $(OBJS)