a DOg@sVdZddlZddlZddZGdddZedkrRdd ZeeZe d e edS) z:Simple textbox editing widget with Emacs-like keybindings.NcCs||d|tj||d|||dtj||d|||dtj||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) ZvlinecursesZ ACS_VLINEZhlineZ ACS_HLINEaddchZ ACS_ULCORNERZ ACS_URCORNERZ ACS_LRCORNERZ ACS_LLCORNER)winulyulxZlryZlrxr&/usr/lib64/python3.9/curses/textpad.py rectanglesr c@sLeZdZdZdddZddZddZd d Zd d Zd dZ dddZ dS)TextboxadEditing 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 FcCs.||_||_|d|_d|_|ddSNr)r insert_mode_update_max_yx stripspaceslastcmdZkeypad)selfrr rrr __init__+s zTextbox.__init__cCs&|j\}}|d|_|d|_dSr )rZgetmaxyxmaxymaxx)rrrrrr r3s zTextbox._update_max_yxcCsX||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.rr)rrrasciirinchZSPmin)rylastrrr _end_of_line8s zTextbox._end_of_linecCs||j\}}d}||jks.||jkr|jr>|j}z|j|Wntj ybYn0|jrtj |sxq|}|j\}}|dur||f}q|dur|jj |dS)N) rrgetyxrrr rrrerrorrisprintmove)rchrxZbackyxZoldchrrr _insert_printable_charFs$  zTextbox._insert_printable_charcCsV||j\}}||_tj|rJ||jks<||jkrF| |n|tjj krh|j |dn|tjj tj tjjtjfvr|dkr|j ||dnB|dkrn8|jr|j |d||dn|j |d|j|tjjtjfvrR|jnL|tjjkr"|jn0|tjjkrb|jrN|j |||n|j ||jn|tjjtjfvr||jkr|j ||dn ||jkrn|j |ddn|tjjkrdS|tjjkr |jdkrdS||jkrR|j |ddnF|tjjkrZ|dkr@||dkr@|jn|j |||jn|tjjkrt|jn|tjjtjfvr||jkrR|j |d||||dkrR|j |d||dnz|tjj kr|j!n`|tjj"tj#fvrR|dkrR|j |d||||dkrR|j |d||ddS)z!Process a single editing command.rr)$rrrrrrrrrr!ZSOHrZSTXZKEY_LEFTZBSZ KEY_BACKSPACErrZdelchZEOTZENQZACKZ KEY_RIGHTZBELNLVTZdeletelnZclrtoeolZFFrefreshZSOZKEY_DOWNZSIZinsertlnZDLEZKEY_UP)rrrr rrr do_command_sr            zTextbox.do_commandc Csd}|t|jdD]}|j|d||}|dkrF|jrFqt|jdD]4}|jrj||krjq|tt j |j ||}qT|jdkr|d}q|S)z.Collect and return the contents of the window.rr ) rrangerrrrrrchrrrr)rresultrstopr rrr gathers    zTextbox.gatherNcCs<|j}|r||}|sq||s(q4|jq|S)z2Edit in the widget window and collect the results.)rZgetchr%r$r,)rvalidaterrrr edits   z Textbox.edit)F)N) __name__ __module__ __qualname____doc__rrrr!r%r,r.rrrr r s Ar __main__cCsfd\}}d\}}||d|dt||||}t||d|d|||||t|S)N) )zUse Ctrl-G to end editing.r)ZaddstrrZnewwinr r$r r.)ZstdscrZncolsZnlinesrrrrrr test_editboxs r9zContents of text box:) r2rZ curses.asciir r r/r9wrapperstrprintreprrrrr s ,