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view src/timer/SDL_timer_c.h @ 3191:91b335df6fc8

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Fixed bug #750 Since many different event structures include windowID it should be placed near the beginning of the structure (preferably right after type) so it's position is the same between different events. This is to avoid code like this: if (event.type == SDL_WINDOWEVENT) win = event.window.windowID; else if ((SDL_EVENTMASK(event.type) & SDL_KEYEVENTMASK) != 0) win = event.key.windowID; else if (event.type == SDL_TEXTINPUT) win = event.text.windowID; else if (event.type == SDL_MOUSEMOTION) win = event.motion.windowID; else if ((SDL_EVENTMASK(event.type) & (SDL_MOUBUTTONDOWNMASK | SDL_MOUBUTTONUPMASK)) != 0) win = event.button.windowID; else if (event.type == SDL_MOUSEWHEEL) win = event.wheel.windowID; ... in favor of: win = event.window.windowID;
author Sam Lantinga <slouken@libsdl.org>
date Wed, 10 Jun 2009 14:00:21 +0000
parents 99210400e8b9
children f7b03b6838cb
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/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2009 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"

/* Useful functions and variables from SDL_timer.c */
#include "SDL_timer.h"

#define ROUND_RESOLUTION(X)	\
	(((X+TIMER_RESOLUTION-1)/TIMER_RESOLUTION)*TIMER_RESOLUTION)

extern int SDL_timer_started;
extern int SDL_timer_running;

/* Data to handle a single periodic alarm */
extern Uint32 SDL_alarm_interval;
extern SDL_TimerCallback SDL_alarm_callback;

/* Set whether or not the timer should use a thread.
   This should be called while the timer subsystem is running.
*/
extern int SDL_SetTimerThreaded(int value);

extern int SDL_TimerInit(void);
extern void SDL_TimerQuit(void);

/* This function is called from the SDL event thread if it is available */
extern void SDL_ThreadedTimerCheck(void);
/* vi: set ts=4 sw=4 expandtab: */