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feat(obj): subdivide LV_OBJ_FLAG_SCROLL_CHAIN into ...CHAIN_HOR and ...CHAIN_VER (#2961)

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* feat(obj scroll):subdivide LV_OBJ_FLAG_SCROLL_CHAIN into ...CHAIN_HOR and ...CHAIN_VER

* feat(roller):open the horizontal scroll chain

* chore(docs):improve the description of scroll chain
This commit is contained in:
guoweilkd
2022-01-05 20:44:05 +08:00
committed by GitHub
parent 0a1d7d9ef2
commit ee3aa07a83
5 changed files with 37 additions and 27 deletions
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docs/widgets/obj.md
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@@ -112,7 +112,9 @@ There are some attributes which can be enabled/disabled by `lv_obj_add/clear_fla
- `LV_OBJ_FLAG_SCROLL_ELASTIC` Allow scrolling inside but with slower speed
- `LV_OBJ_FLAG_SCROLL_MOMENTUM` Make the object scroll further when "thrown"
- `LV_OBJ_FLAG_SCROLL_ONE` Allow scrolling only one snappable children
- `LV_OBJ_FLAG_SCROLL_CHAIN` Allow propagating the scroll to a parent
- `LV_OBJ_FLAG_SCROLL_CHAIN_HOR` Allow propagating the horizontal scroll to a parent
- `LV_OBJ_FLAG_SCROLL_CHAIN_VER` Allow propagating the vertical scroll to a parent
- `LV_OBJ_FLAG_SCROLL_CHAIN` Simple packaging for (`LV_OBJ_FLAG_SCROLL_CHAIN_HOR | LV_OBJ_FLAG_SCROLL_CHAIN_VER`)
- `LV_OBJ_FLAG_SCROLL_ON_FOCUS` Automatically scroll object to make it visible when focused
- `LV_OBJ_FLAG_SCROLL_WITH_ARROW` Allow scrolling the focused object with arrow keys
- `LV_OBJ_FLAG_SNAPPABLE` If scroll snap is enabled on the parent it can snap to this object