The Tab view object can be used to organize content in tabs. The Tab view is built from other widgets:
- Main container: :ref:`lv_obj`
- Tab buttons: an :ref:`lv_obj` with :ref:`lv_button`
- Container for the tabs: :ref:`lv_obj`
- Content of the tabs: :ref:`lv_obj`
The tab buttons can be positioned on the top, bottom, left and right side of the Tab view.
A new tab can be selected either by clicking on a tab button or by sliding horizontally on the content.
There are no special parts on the Tab view but the lv_obj and
lv_button widgets are used to create the Tab view.
:cpp:expr:`lv_tabview_create(parent)` creates a new empty Tab view.
New tabs can be added with :cpp:expr:`lv_tabview_add_tab(tabview, "Tab name")`. This will return a pointer to an :ref:`lv_obj` object where the tab's content can be created.
A tab can be renamed with :cpp:expr:`lv_tabview_rename_tab(tabview, tab_id, "New Name")`.
To select a new tab you can:
- Click on its tab button
- Slide horizontally
- Use :cpp:expr:`lv_tabview_set_active(tabview, id, LV_ANIM_ON)` function
Using the :cpp:expr:`lv_tabview_set_tab_bar_position(tabview, LV_DIR_LEFT/RIGHT/TOP/BOTTOM)` the tab bar can be moved to any sides.
The size of the tab bar can be adjusted by :cpp:expr:`lv_tabview_set_tab_bar_size(tabview, size)` In case of vertical arrangement is means the height of the tab bar, and in horizontal arrangement it means the width.
- :cpp:expr:`lv_tabview_get_content(tabview)` returns the container for tabs content
- :cpp:expr:`lv_tabview_get_tab_bar(tabview)` returns the container for tabs buttons
- :cpp:enumerator:`LV_EVENT_VALUE_CHANGED` Sent when a new tab is selected by sliding or clicking the tab button. :cpp:expr:`lv_tabview_get_tab_active(tabview)` returns the zero based index of the current tab.
Learn more about :ref:`events`.
Keys have effect only on the tab buttons. Add manually to a group if required.
Learn more about :ref:`indev_keys`.