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textpad.cpython-38.pyc
U e5d� � @ sV d Z ddlZddlZdd� ZG dd� d�ZedkrRdd � Ze�e�Ze d e e�� dS ) z:Simple textbox editing widget with Emacs-like keybindings.� Nc C s� | � |d |tj|| d � | �||d tj|| d � | �||d tj|| d � | � |d |tj|| d � | �||tj� | �||tj� | �||tj� | �||tj � dS )z^Draw a rectangle with corners at the provided upper-left and lower-right coordinates. � N) Zvline�cursesZ ACS_VLINEZhlineZ ACS_HLINE�addchZ ACS_ULCORNERZ ACS_URCORNERZ ACS_LRCORNERZ ACS_LLCORNER)�win�uly�ulxZlryZlrx� r �&/usr/lib64/python3.8/curses/textpad.py� rectangle s r c @ sL e Zd ZdZddd�Zdd� Zdd� Zd d � Zd d � Zd d� Z ddd�Z dS )�Textboxad Editing widget using the interior of a window object. Supports the following Emacs-like key bindings: Ctrl-A Go to left edge of window. Ctrl-B Cursor left, wrapping to previous line if appropriate. Ctrl-D Delete character under cursor. Ctrl-E Go to right edge (stripspaces off) or end of line (stripspaces on). Ctrl-F Cursor right, wrapping to next line when appropriate. Ctrl-G Terminate, returning the window contents. Ctrl-H Delete character backward. Ctrl-J Terminate if the window is 1 line, otherwise insert newline. Ctrl-K If line is blank, delete it, otherwise clear to end of line. Ctrl-L Refresh screen. Ctrl-N Cursor down; move down one line. Ctrl-O Insert a blank line at cursor location. Ctrl-P Cursor up; move up one line. Move operations do nothing if the cursor is at an edge where the movement is not possible. The following synonyms are supported where possible: KEY_LEFT = Ctrl-B, KEY_RIGHT = Ctrl-F, KEY_UP = Ctrl-P, KEY_DOWN = Ctrl-N KEY_BACKSPACE = Ctrl-h Fc C s. || _ || _| �� d| _d | _|�d� d S �Nr )r � insert_mode�_update_max_yx� stripspaces�lastcmdZkeypad)�selfr r r r r �__init__+ s zTextbox.__init__c C s& | j �� \}}|d | _|d | _d S r )r Zgetmaxyx�maxy�maxx)r r r r r r r 3 s zTextbox._update_max_yxc C sX | � � | j}tj�| j�||��tjjkr@t| j|d �}qTn |dkrJqT|d }q|S )zuGo to the location of the first blank on the given line, returning the index of the last non-blank character.r r )r r r �asciir �inchZSP�min)r �yZlastr r r � _end_of_line8 s zTextbox._end_of_linec C s� | � � | j�� \}}d }|| jk s.|| jk r�| jr>| j�� }z| j�|� W n tj k rd Y nX | jr�tj � |�szq�|}| j�� \}}|d kr||f}q|d k r�| jj |� d S )N) r r �getyxr r r r r r �errorr �isprint�move)r �chr �xZbackyxZoldchr r r �_insert_printable_charF s$ z Textbox._insert_printable_charc C sV | � � | j�� \}}|| _tj�|�rJ|| jk s<|| jk rF| � |� �n|tjj krh| j� |d� �n�|tjj tj tjjtjfk�r|dkr�| j� ||d � nB|dkr�n8| jr�| j� |d | �|d �� n| j� |d | j� |tjjtjfk�rR| j�� �nL|tjjk�r"| j�� �n0|tjjk�rb| j�rN| j� || �|�� n| j� || j� �n�|tjjtjfk�r�|| jk �r�| j� ||d � n || jk�r�n| j� |d d� �n�|tjjk�r�dS |tjjk�r | jdk�r�dS || jk �rR| j� |d d� �nF|tjjk�rZ|dk�r@| �|�dk�r@| j�� n| j� ||� | j�� n�|tjj k�rt| j� � n�|tjj tj fk�r�|| jk �rR| j� |d |� || �|d �k�rR| j� |d | �|d �� nz|tjj k�r�| j�!� n`|tjj"tj#fk�rR|dk�rR| j� |d |� || �|d �k�rR| j� |d | �|d �� dS )z!Process a single editing command.r r )$r r r r r r r r r r ZSOHr ZSTXZKEY_LEFTZBSZ KEY_BACKSPACEr r ZdelchZEOTZENQZACKZ KEY_RIGHTZBEL�NLZVTZdeletelnZclrtoeolZFF�refreshZSOZKEY_DOWNZSIZinsertlnZDLEZKEY_UP)r r r r r r r � do_command_ sr zTextbox.do_commandc C s� d}| � � t| jd �D ]�}| j�|d� | �|�}|dkrF| jrFqt| jd �D ]4}| jrj||krj q�|tt j � | j� ||��� }qT| jdkr|d }q|S )z.Collect and return the contents of the window.� r r � ) r �ranger r r r r r �chrr r r )r �resultr �stopr r r r �gather� s zTextbox.gatherNc C s< | j �� }|r||�}|s q | �|�s(q4| j �� q | �� S )z2Edit in the widget window and collect the results.)r Zgetchr# r" r* )r Zvalidater r r r �edit� s z Textbox.edit)F)N) �__name__� __module__� __qualname__�__doc__r r r r r# r* r+ r r r r r s Ar �__main__c C sf d\}}d\}}| � |d |d� t�||||�}t| |d |d || || � | �� t|��� S )N)� � )� � � zUse Ctrl-G to end editing.r )Zaddstrr Znewwinr r" r r+ )ZstdscrZncolsZnlinesr r r r r r � test_editbox� s r6 zContents of text box:) r/ r Z curses.asciir r r, r6 �wrapper�str�print�reprr r r r �<module> s ,
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