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libraries/lvgl/docs/widgets/win.rst
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93
libraries/lvgl/docs/widgets/win.rst
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.. _lv_win:
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===============
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Window (lv_win)
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===============
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Overview
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********
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The Window is container-like object built from a header with title and
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buttons and a content area.
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.. _lv_win_parts_and_styles:
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Parts and Styles
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****************
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The Window is built from other widgets so you can check their
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documentation for details:
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- Background: :ref:`lv_obj`
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- Header on the background: :ref:`lv_obj`
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- Title on the header: :ref:`lv_label`
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- Buttons on the header: :ref:`lv_button`
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- Content area on the background: :ref:`lv_obj`
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.. _lv_win_usage:
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Usage
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*****
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Create a Window
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---------------
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:cpp:expr:`lv_win_create(parent, header_height)` creates a Window with an empty
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header.
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Title and buttons
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-----------------
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Any number of texts (but typically only one) can be added to the header
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with :cpp:expr:`lv_win_add_title(win, "The title")`.
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Control buttons can be added to the window's header with
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:cpp:expr:`lv_win_add_button(win, icon, button_width)`. ``icon`` can be any image
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source, and ``button_width`` is the width of the button.
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The title and the buttons will be added in the order the functions are
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called. So adding a button, a text and two other buttons will result in
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a button on the left, a title, and 2 buttons on the right. The width of
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the title is set to take all the remaining space on the header. In other
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words: it pushes to the right all the buttons that are added after the
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title.
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.. _lv_win_get_parts:
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Get the parts
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*************
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:cpp:expr:`lv_win_get_header(win)` returns a pointer to the header,
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:cpp:expr:`lv_win_get_content(win)` returns a pointer to the content container
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to which the content of the window can be added.
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.. _lv_win_events:
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Events
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******
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No special events are sent by the windows, however events can be added
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manually to the return value of :cpp:func:`lv_win_add_button`.
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Learn more about :ref:`events`.
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.. _lv_win_keys:
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Keys
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****
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No *Keys* are handled by the window.
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Learn more about :ref:`indev_keys`.
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.. _lv_win_example:
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Example
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*******
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.. include:: ../examples/widgets/win/index.rst
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.. _lv_win_api:
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API
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***
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