gfx_event.c File Reference

Utilities required by other gfx_XXX files. More...

#include <linux/unistd.h>
#include <assert.h>
#include "include/gfx_event.h"
#include "task.h"
#include "semphr.h"
#include "SDL2/SDL.h"
#include "SDL2/SDL_mouse.h"
#include "gfx_draw.h"
#include "gfx_utils.h"
#include "gfx_print.h"

Classes
struct	mouse

Macros
#define	FETCH_BLOCK_S   0
#define	FETCH_NONBLOCK_S   1
#define	FETCH_NO_GL_CHECK_S   2

Typedefs
typedef struct mouse	mouse_t

Functions
int	gfxEventFetchEvents (int flags)
	Polls all outstanding SDL Events. Should be called from Draw Loop that holds the OpenGL context. More...
signed short	gfxEventGetMouseX (void)
	Returns a copy of the mouse's most recent X coord (in pixels) More...
signed short	gfxEventGetMouseY (void)
	Returns a copy of the mouse's most recent Y coord (in pixels) More...
signed char	gfxEventGetMouseLeft (void)
	Returns a copy of the mouse's left button status. More...
signed char	gfxEventGetMouseRight (void)
	Returns a copy of the mouse's right button status. More...
signed char	gfxEventGetMouseMiddle (void)
	Returns a copy of the mouse's middle button status. More...
int	gfxEventInit (void)
	Initializes the GFX Event backend. More...
void	gfxEventExit (void)
	Deinitializes the GFX Event backend. More...

Variables
QueueHandle_t	buttonInputQueue = NULL
mouse_t	mouse
xSemaphoreHandle	fetch_lock

Detailed Description

Utilities required by other gfx_XXX files.

Author

Alex Hoffman

Date

27 August 2019

   ----------------------------------------------------------------------
    Copyright (C) Alexander Hoffman, 2019
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    any later version.
    This program 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 General Public License for more details.
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
   ----------------------------------------------------------------------

Macro Definition Documentation

FETCH_BLOCK_S

#define FETCH_BLOCK_S   0

FETCH_NO_GL_CHECK_S

#define FETCH_NO_GL_CHECK_S   2

FETCH_NONBLOCK_S

#define FETCH_NONBLOCK_S   1

Typedef Documentation

mouse_t

typedef struct mouse mouse_t

Variable Documentation

fetch_lock

xSemaphoreHandle fetch_lock

mouse

mouse_t mouse