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annotate src/events/SDL_touch_c.h @ 5113:481dabb098ef

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Improved timer implementation The new timer model is formalized as using a separate thread to handle timer callbacks. This was the case on almost every platform before, but it's now a requirement, and simplifies the implementation and makes it perform consistently across platforms. Goals: * Minimize timer thread blocking * Dispatch timers as accurately as possible * SDL_AddTimer() and SDL_RemoveTimer() are completely threadsafe * SDL_RemoveTimer() doesn't crash with a timer that's expired or removed
author Sam Lantinga <slouken@libsdl.org>
date Thu, 27 Jan 2011 14:45:06 -0800
parents f8431f66613d
children b530ef003506
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 Sam Lantinga
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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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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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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 #include "../../include/SDL_touch.h"
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25 #ifndef _SDL_touch_c_h
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26 #define _SDL_touch_c_h
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30 /* Initialize the touch subsystem */
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31 extern int SDL_TouchInit(void);
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32
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33 /*Get the touch at an index */
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34 extern SDL_Touch *SDL_GetTouchIndex(int index);
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35
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36 /* Get the touch with id = id */
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37 extern SDL_Touch *SDL_GetTouch(SDL_TouchID id);
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38
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39 /*Get the finger at an index */
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40 extern SDL_Finger *SDL_GetFingerIndex(SDL_Touch *touch, int index);
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41
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42 /* Get the finger with id = id */
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43 extern SDL_Finger *SDL_GetFinger(SDL_Touch *touch,SDL_FingerID id);
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44
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46 /* Add a touch, possibly reattaching at a particular index (or -1),
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47 returning the index of the touch, or -1 if there was an error. */
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48 extern int SDL_AddTouch(const SDL_Touch * touch, char *name);
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51 /* Remove a touch at an index, clearing the slot for later */
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52 extern void SDL_DelTouch(SDL_TouchID id);
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54 /* Set the touch focus window */
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55 extern void SDL_SetTouchFocus(SDL_TouchID id, SDL_Window * window);
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57 /* Send a touch motion event for a touch */
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58 extern int SDL_SendTouchMotion(SDL_TouchID id, SDL_FingerID fingerid,
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59 int relative, float x, float y, float z);
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61 /* Send a touch down/up event for a touch */
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62 extern int SDL_SendFingerDown(SDL_TouchID id, SDL_FingerID fingerid,
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63 SDL_bool down, float x, float y, float pressure);
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64
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65 /* Send a touch button event for a touch */
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66 extern int SDL_SendTouchButton(SDL_TouchID id, Uint8 state, Uint8 button);
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68 /* Shutdown the touch subsystem */
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69 extern void SDL_TouchQuit(void);
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70
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71 /* Get the index of a touch device */
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72 extern int SDL_GetTouchIndexId(SDL_TouchID id);
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74 /* Print a debug message for a nonexistent touch */
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75 extern int SDL_TouchNotFoundError(SDL_TouchID id);
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76
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77 #endif /* _SDL_touch_c_h */
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79 /* vi: set ts=4 sw=4 expandtab: */