annotate README.Qtopia @ 1013:a649064a3215

Date: Tue, 14 Dec 2004 12:08:30 +0100 From: Marcin Konicki Subject: Re: [SDL] SDL 1.2.8 Prerelease I'm sending small fix for BeOS, which prevents filling up SDL's message queue too fast. Without it, SDL receives "key down" messages from BeOS code, for each key repeat (BeOS handles key repeats itself, and application can check if received "key down" message from BeOS is first time key down, or if it's repeat, and which repeat it is). Since there is no way for "sdl driver" to turn off "default" SDL's key-repeat mechanism, they were working both at the same time (and queue could be filled up very fast). So this patch removes handling "key down" message from BeOS if it's key_repeat "type".
author Sam Lantinga <slouken@libsdl.org>
date Tue, 14 Dec 2004 18:23:27 +0000
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2 ==============================================================================
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3 Using the Simple DirectMedia Layer with Qtopia/OPIE
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4 ==============================================================================
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6 ==============================================================================
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7 I. Setting up the Qtopia development environment.
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9 This document will not explain how to setup the Qtopia development
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10 environment. That is outside the scope of the document. You can read
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11 more on this subject in this excellent howto:
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13 http://www.zauruszone.com/howtos/linux_compiler_setup_howto.html
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15 ==============================================================================
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16 II. Building the Simple DirectMedia Layer libraries using the arm
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17 cross-compiler
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19 This is somewhat tricky since the name of the compiler binaries
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20 differ from the standard. Also you should disable features not
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21 needed. The command below works for me. Note that it's all one
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22 line. You can also set the NM, LD etc environment variables
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23 separately.
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25 NM=arm-linux-nm LD=arm-linux-ld CC=arm-linux-gcc CXX=arm-linux-g++ RANLIB=arm-linux-ranlib AR=arm-linux-ar ./configure --enable-video-qtopia --disable-video-dummy --disable-video-fbcon --disable-video-dga --disable-arts --disable-esd --disable-alsa --disable-cdrom --disable-video-x11 --disable-nasm --prefix=/opt/Qtopia/sharp/ arm-unknown-linux-gnu
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27 One thing to note is that the above configure will include joystick
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28 support, even though you can't have joysticks on the Zaurus. The
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29 reason for this is to avoid link / compile / runtime errors with
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30 applications that have joystick support.
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32 ==============================================================================
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33 III. Building the Simple DirectMedia Layer test programs:
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35 After installing, making sure the correct sdl-config is in your
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36 path, run configure like this:
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38 NM=arm-linux-nm LD=arm-linux-ld CC=arm-linux-gcc CXX=arm-linux-g++ AR=arm-linux-ar ./configure arm-unknown-linux-gnu
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40 ==============================================================================
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41 IV. Application porting notes
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42
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43 One thing I have noticed is that applications sometimes don't exit
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44 correctly. Their icon remains in the taskbar and they tend to
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45 relaunch themselves automatically. I believe this problem doesn't
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46 occur if you exit your application using the exit() method. However,
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47 if you end main() with 'return 0;' or so, this seems to happen.
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49 Also note that when running in landscape mode - i.e requesting a
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50 window that is HEIGHT pixels wide and WIDTH pixels high, where WIDTH
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51 and HEIGHT normally is 240 and 320 - the image is blitted so that
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52 the hardware buttons are on the left side of the display. This might
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53 not always be desirable but such is the code today.
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56 ==============================================================================
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57 V. Enjoy! :)
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59 If you have a project you'd like me to know about, or want to ask questions,
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60 go ahead and join the SDL developer's mailing list by sending e-mail to:
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62 sdl-request@libsdl.org
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64 and put "subscribe" into the subject of the message. Or alternatively you
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65 can use the web interface:
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67 http://www.libsdl.org/mailman/listinfo/sdl
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69 ==============================================================================
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70 VI. What is supported:
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72 Keyboard (Sharp Zaurus)
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73 Hardware buttons
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74 Stylus input (mouse)
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75 Video. Allows fullscreen both in portrait mode (up to WIDTHxHEIGHT
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76 size window) and in landscape mode (up to HEIGHTxWIDTH).
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78 All other SDL functionality works like a normal Linux system (threads,
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79 audio etc).
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80
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81 --
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82 David Hedbor <david@hedbor.org>
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83 http://david.hedbor.org/ http://eongames.com/
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84