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annotate src/audio/sun/SDL_sunaudio.h @ 2842:97ba0be8b565

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Date: Sat, 06 Dec 2008 15:27:00 +0100 From: Couriersud Subject: SDL: Relative mouse movements The patch below will reenable processing of relative mouse movements. The DirectFB drivers generates those in "grabbed" mode. These ensure, that even in fullscreen mode relative movements are reported. SDLMAME depends on this for games with trackballs. Looking at the code I ask myself whether relative movements should be handled in the drivers (x11, directfb). Both x11 and directfb are able to report relative movements. This would leave it to the driver to use the most appropriate method for relative movements when at the border of a fullscreen window or being "grabbed".
author Sam Lantinga <slouken@libsdl.org>
date Sat, 06 Dec 2008 17:50:50 +0000
parents 5f6550e5184f
children 99210400e8b9
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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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 #include "SDL_config.h"
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23
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24 #ifndef _SDL_sunaudio_h
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25 #define _SDL_sunaudio_h
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26
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27 #include "../SDL_sysaudio.h"
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28
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29 /* Hidden "this" pointer for the audio functions */
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30 #define _THIS SDL_AudioDevice *this
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31
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32 struct SDL_PrivateAudioData
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33 {
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34 /* The file descriptor for the audio device */
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35 int audio_fd;
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36
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37 SDL_AudioFormat audio_fmt; /* The app audio format */
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38 Uint8 *mixbuf; /* The app mixing buffer */
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39 int ulaw_only; /* Flag -- does hardware only output U-law? */
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40 Uint8 *ulaw_buf; /* The U-law mixing buffer */
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41 Sint32 written; /* The number of samples written */
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42 int fragsize; /* The audio fragment size in samples */
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43 int frequency; /* The audio frequency in KHz */
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44 };
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45
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46 /* Old variable names */
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47 #define audio_fd (this->hidden->audio_fd)
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48 #define audio_fmt (this->hidden->audio_fmt)
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49 #define mixbuf (this->hidden->mixbuf)
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50 #define ulaw_only (this->hidden->ulaw_only)
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51 #define ulaw_buf (this->hidden->ulaw_buf)
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52 #define written (this->hidden->written)
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53 #define fragsize (this->hidden->fragsize)
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54 #define frequency (this->hidden->frequency)
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55
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56 #endif /* _SDL_sunaudio_h */
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57
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58 /* vi: set ts=4 sw=4 expandtab: */