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author | kotfu <kotfu@kotfu.net> | 2019-07-02 19:34:37 -0600 |
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committer | kotfu <kotfu@kotfu.net> | 2019-07-02 19:34:37 -0600 |
commit | 11da5ba65a43c63364e702de726a7bf09a1241b4 (patch) | |
tree | 03f0b4ba0f484bc516d6db617cdce6e4c4512dcd /docs/features/prompt.rst | |
parent | 92ae130c38520b249eb7351cfb0da1ad67d3d3cf (diff) | |
download | cmd2-git-11da5ba65a43c63364e702de726a7bf09a1241b4.tar.gz |
Skeleton doc structure complete for #709
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-rw-r--r-- | docs/features/prompt.rst | 35 |
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diff --git a/docs/features/prompt.rst b/docs/features/prompt.rst new file mode 100644 index 00000000..bda0ec4e --- /dev/null +++ b/docs/features/prompt.rst @@ -0,0 +1,35 @@ +Prompt +====== + +``cmd2`` can issue a prompt before soliciting user input. + +Asynchronous Feedback +--------------------- +``cmd2`` provides two functions to provide asynchronous feedback to the user without interfering with +the command line. This means the feedback is provided to the user when they are still entering text at +the prompt. To use this functionality, the application must be running in a terminal that supports +VT100 control characters and readline. Linux, Mac, and Windows 10 and greater all support these. + +async_alert() + Used to display an important message to the user while they are at the prompt in between commands. + To the user it appears as if an alert message is printed above the prompt and their current input + text and cursor location is left alone. + +async_update_prompt() + Updates the prompt while the user is still typing at it. This is good for alerting the user to system + changes dynamically in between commands. For instance you could alter the color of the prompt to indicate + a system status or increase a counter to report an event. + +``cmd2`` also provides a function to change the title of the terminal window. This feature requires the +application be running in a terminal that supports VT100 control characters. Linux, Mac, and Windows 10 and +greater all support these. + +set_window_title() + Sets the terminal window title + + +The easiest way to understand these functions is to see the AsyncPrinting_ example for a demonstration. + +.. _AsyncPrinting: https://github.com/python-cmd2/cmd2/blob/master/examples/async_printing.py + + |