Mercurial > sdl-ios-xcode
annotate README.Porting @ 5079:8c88cae7911e SDL-1.2
Michael Bicha to Sam
I came across further issues with SDL 1.2.14 on win32 in combination
with touch screens.
When you touched the screen older SDLs reported
SDL_MOUSEMOTION to the touch position
SDL_MOUSEBUTTONDOWN at the touch position
1.2.14 reports
SDL_MOUSEBUTTONDOWN at the last mouse position before the touch
and then a
SDL_MOUSEMOTION to the touch position
I found that to fix it in the file SDL_sysevents.c i had to put back the
following lines from 1.2.12 to get it working correctly again:
if ( mouse_relative ) {
/* RJR: March 28, 2000
report internal mouse position if in relative mode */
x = 0; y = 0;
} else {
x = (Sint16)LOWORD(lParam);
y = (Sint16)HIWORD(lParam);
#ifdef _WIN32_WCE
if (SDL_VideoSurface)
GapiTransform(this->hidden->userOrientation,
this->hidden->hiresFix, &x, &y);
#endif
}
posted = SDL_PrivateMouseButton(
state, button, x, y);
where there was only
posted = SDL_PrivateMouseButton(
state, button, 0, 0);
in 1.2.14 (appx. line 484)
please feel free to put that change into any SDL lib you like in any way
you like and thanks for your great work !
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sun, 23 Jan 2011 21:02:02 -0800 |
parents | b2b476a4a73c |
children | 103760c3a5dc |
rev | line source |
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1484
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1 |
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2 * Porting To A New Platform |
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3 |
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4 The first thing you have to do when porting to a new platform, is look at |
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5 include/SDL_platform.h and create an entry there for your operating system. |
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6 The standard format is __PLATFORM__, where PLATFORM is the name of the OS. |
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7 Ideally SDL_platform.h will be able to auto-detect the system it's building |
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8 on based on C preprocessor symbols. |
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9 |
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10 There are two basic ways of building SDL at the moment: |
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11 |
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12 1. The "UNIX" way: ./configure; make; make install |
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13 |
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14 If you have a GNUish system, then you might try this. Edit configure.in, |
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15 take a look at the large section labelled: |
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16 "Set up the configuration based on the target platform!" |
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17 Add a section for your platform, and then re-run autogen.sh and build! |
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18 |
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19 2. Using an IDE: |
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20 |
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21 If you're using an IDE or other non-configure build system, you'll probably |
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22 want to create a custom SDL_config.h for your platform. Edit SDL_config.h, |
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23 add a section for your platform, and create a custom SDL_config_{platform}.h, |
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24 based on SDL_config.h.minimal and SDL_config.h.in |
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25 |
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26 Add the top level include directory to the header search path, and then add |
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27 the following sources to the project: |
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28 src/*.c |
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29 src/audio/*.c |
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30 src/cdrom/*.c |
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31 src/cpuinfo/*.c |
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32 src/events/*.c |
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33 src/file/*.c |
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34 src/joystick/*.c |
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35 src/stdlib/*.c |
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36 src/thread/*.c |
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37 src/timer/*.c |
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38 src/video/*.c |
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39 src/audio/disk/*.c |
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40 src/video/dummy/*.c |
b2b476a4a73c
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41 src/joystick/dummy/*.c |
b2b476a4a73c
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42 src/cdrom/dummy/*.c |
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43 src/thread/generic/*.c |
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44 src/timer/dummy/*.c |
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45 src/loadso/dummy/*.c |
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46 |
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47 |
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48 Once you have a working library without any drivers, you can go back to each |
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49 of the major subsystems and start implementing drivers for your platform. |
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50 |
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51 If you have any questions, don't hesitate to ask on the SDL mailing list: |
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52 http://www.libsdl.org/mailing-list.php |
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53 |
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54 Enjoy! |
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55 Sam Lantinga (slouken@libsdl.org) |
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56 |