nt9856x/code/application/source/cardv/SrcCode/lv_drivers/indev/mousewheel.h
2023-03-28 15:07:53 +08:00

80 lines
1.4 KiB
C
Executable File

/**
* @file mousewheel.h
*
*/
#ifndef MOUSEWHEEL_H
#define MOUSEWHEEL_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#ifndef LV_DRV_NO_CONF
#ifdef LV_CONF_INCLUDE_SIMPLE
#include "lv_drv_conf.h"
#else
#include "../../lv_drv_conf.h"
#endif
#endif
#if USE_MOUSEWHEEL
#ifdef LV_LVGL_H_INCLUDE_SIMPLE
#include "lvgl.h"
#else
#include "lvgl/lvgl.h"
#endif
#ifndef MONITOR_SDL_INCLUDE_PATH
#define MONITOR_SDL_INCLUDE_PATH <SDL2/SDL.h>
#endif
#include MONITOR_SDL_INCLUDE_PATH
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Initialize the encoder
*/
void mousewheel_init(void);
/**
* Get encoder (i.e. mouse wheel) ticks difference and pressed state
* @param indev_drv pointer to the related input device driver
* @param data store the read data here
* @return false: all ticks and button state are handled
*/
bool mousewheel_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data);
/**
* It is called periodically from the SDL thread to check a key is pressed/released
* @param event describes the event
*/
void mousewheel_handler(SDL_Event *event);
/**********************
* MACROS
**********************/
#endif /*USE_MOUSEWHEEL*/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /*MOUSEWHEEL_H*/