Tasmota/lib/libesp32_lvgl/lvgl/src/drivers/evdev/lv_evdev.h
s-hadinger ff6be70ce1
LVGL library updated to v9.0.0, some small breaking changes in C, none in HASPmota (#20659)
* LVGL library updated to v9.0.0, some small breaking changes in C, none in HASPmota

* fix compilation

* Move lvgl_berry to LVGL_assets
2024-02-05 12:07:41 +01:00

65 lines
1.6 KiB
C

/**
* @file lv_evdev.h
*
*/
#ifndef LV_EVDEV_H
#define LV_EVDEV_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "../../indev/lv_indev.h"
#if LV_USE_EVDEV
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Create evdev input device.
* @param type LV_INDEV_TYPE_POINTER or LV_INDEV_TYPE_KEYPAD
* @param dev_path device path, e.g., /dev/input/event0
* @return pointer to input device or NULL if opening failed
*/
lv_indev_t * lv_evdev_create(lv_indev_type_t indev_type, const char * dev_path);
/**
* Set whether coordinates of pointer device should be swapped. Defaults to
* false.
* @param indev evdev input device
* @param swap_axes whether to swap x and y axes
*/
void lv_evdev_set_swap_axes(lv_indev_t * indev, bool swap_axes);
/**
* Configure a coordinate transformation for pointer devices. Applied after
* axis swap, if any. Defaults to apply no transformation.
* @param indev evdev input device
* @param min_x pointer coordinate mapped to min x of display
* @param min_y pointer coordinate mapped to min y of display
* @param max_x pointer coordinate mapped to max x of display
* @param max_y pointer coordinate mapped to max y of display
*/
void lv_evdev_set_calibration(lv_indev_t * indev, int min_x, int min_y, int max_x, int max_y);
/**
* Remove evdev input device.
* @param indev evdev input device to close and free
*/
void lv_evdev_delete(lv_indev_t * indev);
#endif /*LV_USE_EVDEV*/
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*LV_EVDEV_H*/