acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
lv_indev_scroll.h (1544B)
      1 /**
      2  * @file lv_indev_scroll.h
      3  *
      4  */
      5 
      6 #ifndef LV_INDEV_SCROLL_H
      7 #define LV_INDEV_SCROLL_H
      8 
      9 #ifdef __cplusplus
     10 extern "C" {
     11 #endif
     12 
     13 /*********************
     14  *      INCLUDES
     15  *********************/
     16 #include "lv_obj.h"
     17 
     18 /*********************
     19  *      DEFINES
     20  *********************/
     21 
     22 /**********************
     23  *      TYPEDEFS
     24  **********************/
     25 
     26 /**********************
     27  * GLOBAL PROTOTYPES
     28  **********************/
     29 
     30 /**
     31  * Handle scrolling. Called by LVGL during input device processing
     32  * @param proc      pointer to an input device's proc field
     33  */
     34 void _lv_indev_scroll_handler(_lv_indev_proc_t * proc);
     35 
     36 /**
     37  * Handle throwing after scrolling. Called by LVGL during input device processing
     38  * @param proc      pointer to an input device's proc field
     39  */
     40 void _lv_indev_scroll_throw_handler(_lv_indev_proc_t * proc);
     41 
     42 /**
     43  * Predict where would a scroll throw end
     44  * @param indev     pointer to an input device
     45  * @param dir `     LV_DIR_VER` or `LV_DIR_HOR`
     46  * @return          the difference compared to the current position when the throw would be finished
     47  */
     48 lv_coord_t lv_indev_scroll_throw_predict(lv_indev_t * indev, lv_dir_t dir);
     49 
     50 /**
     51  * Get the distance of the nearest snap point
     52  * @param obj       the object on which snap points should be found
     53  * @param p         save the distance of the found snap point there
     54  */
     55 void lv_indev_scroll_get_snap_dist(lv_obj_t * obj, lv_point_t * p);
     56 
     57 /**********************
     58  *      MACROS
     59  **********************/
     60 
     61 #ifdef __cplusplus
     62 } /*extern "C"*/
     63 #endif
     64 
     65 #endif /*LV_INDEV_SCROLL_H*/