Mercurial > sdl-ios-xcode
annotate README.Porting @ 4391:07b330419439 SDL-1.2
Fixed bug #849 some more:
Tim Angus 2009-11-26 14:41:04 PST
Fix to the cursor not being responsive when the app doesn't have
SDL_APPINPUTFOCUS
The problems with the directx driver are similar to the ones I introduced in
the windib driver with r4478. Basically if the application did not have focus,
the mouse position is not updated. It's not really that the mouse cursor was
invisible, it's that it is stuck underneath another window where you can't see
it. This behaviour predates my r4478 changes and is the reason I unwittingly
broke the windib driver as I had been replicating the way the directx driver
deals with focus. Prior to r4478 the directx driver could not be used in
windowed mode, so the broken focusing would not have actually been observable.
Anyway, the attached patch makes the directx driver behaves like the windib
driver in terms of focus.
Time for 1.2.15? ;)
I've added an additional change of moving the calls to WIN_GrabInput that are
made on WM_ACTIVATE messages so that they only occur when the state is
SDL_APPINPUTFOCUS. When a fullscreen application is minimised using alt-tab, it
still receives WM_ACTIVATE messages when other applications are selected. If
WIN_GrabInput is called when the SDL application doesn't have input focus, bad
things happen; it shouldn't be being called at all.
I've also added a line to make sure that SDL_APPMOUSEFOCUS state is dropped
when the application is minimised following an alt-tab.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Fri, 11 Dec 2009 15:24:53 +0000 |
parents | b2b476a4a73c |
children | 103760c3a5dc |
rev | line source |
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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 |