Initial commit

include/liblvgl/core/lv_indev_scroll.h

@@ -0,0 +1,65 @@
+/**
+ * @file lv_indev_scroll.h
+ *
+ */
+
+#ifndef LV_INDEV_SCROLL_H
+#define LV_INDEV_SCROLL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "lv_obj.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+/**
+ * Handle scrolling. Called by LVGL during input device processing
+ * @param proc      pointer to an input device's proc field
+ */
+void _lv_indev_scroll_handler(_lv_indev_proc_t * proc);
+
+/**
+ * Handle throwing after scrolling. Called by LVGL during input device processing
+ * @param proc      pointer to an input device's proc field
+ */
+void _lv_indev_scroll_throw_handler(_lv_indev_proc_t * proc);
+
+/**
+ * Predict where would a scroll throw end
+ * @param indev     pointer to an input device
+ * @param dir `     LV_DIR_VER` or `LV_DIR_HOR`
+ * @return          the difference compared to the current position when the throw would be finished
+ */
+lv_coord_t lv_indev_scroll_throw_predict(lv_indev_t * indev, lv_dir_t dir);
+
+/**
+ * Get the distance of the nearest snap point
+ * @param obj       the object on which snap points should be found
+ * @param p         save the distance of the found snap point there
+ */
+void lv_indev_scroll_get_snap_dist(lv_obj_t * obj, lv_point_t * p);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*LV_INDEV_SCROLL_H*/