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curses
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Editing: textpad.cpython-36.pyc
3 \� � @ sV d Z ddlZddlZdd� ZG dd� d�ZedkrRdd � Zeje�Ze d e e�� dS ) z:Simple textbox editing widget with Emacs-like keybindings.� Nc C s� | j |d |tj|| d � | j||d tj|| d � | j||d tj|| d � | j |d |tj|| d � | j||tj� | j||tj� | j||tj� | j||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/python3.6/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. || _ || _| j� d| _d | _|jd� d S )Nr )r � insert_mode�_update_max_yx� stripspaces�lastcmdZkeypad)�selfr r r r r �__init__+ s zTextbox.__init__c C s& | j j� \}}|d | _|d | _d S )Nr )r Zgetmaxyx�maxy�maxx)r r r r r r r 3 s zTextbox._update_max_yxc C s\ | j � | j}xHtjj| jj||��tjjkrBt| j|d �}P n |dkrLP |d }qW |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 � | jj� \}}d }x�|| jk s0|| jk r�| jr@| jj� }y| jj|� W n tj k rf Y nX | j s~tj j |� r�P |}| jj� \}}|d kr ||f}q W |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 � | jj� \}}|| _tjj|�rJ|| jk s<|| jk rF| j |� �n|tjj krh| jj |d� �n�|tjj tj tjjtjfk�r|dkr�| jj ||d � nB|dkr�n8| jr�| jj |d | j|d �� n| jj |d | j� |tjjtjfk�rR| jj� �nL|tjjk�r"| jj� �n0|tjjk�rb| j�rN| jj || j|�� n| jj || j� �n�|tjjtjfk�r�|| jk �r�| jj ||d � n || jk�r�n| jj |d d� �n�|tjjk�r�dS |tjjk�r | jdk�r�dS || jk �rR| jj |d d� �nF|tjjk�rZ|dk�r@| j|�dk�r@| jj� n| jj ||� | jj� n�|tjj k�rt| jj � n�|tjj tj fk�r�|| jk �rR| jj |d |� || j|d �k�rR| jj |d | j|d �� nz|tjj k�r�| jj!� n`|tjj"tj#fk�rR|dk�rR| jj |d |� || j|d �k�rR| jj |d | j|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�refresh�SOZKEY_DOWNZSIZinsertlnZDLEZKEY_UP)r r r r r r r � do_command_ sr zTextbox.do_commandc C s� d}| j � x�t| jd �D ]�}| jj|d� | j|�}|dkrH| jrHq xDt| jd �D ]2}| jrl||krlP |tt j j | jj ||��� }qXW | jdkr |d }q W |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@ x6| j j� }|r||�}|s q| j|�s*P | j j� qW | j� 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 \}}| j |d |d� tj||||�}t| |d |d || || � | j� t|�j� S ) N� � � � � zUse Ctrl-G to end editing.r )r1 r2 )r3 r4 )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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