î i f«ã@s~dZddlZddlZdd„ZGdd„dƒZedkrzdd „ZejeƒZe d e eƒƒndS) z:Simple textbox editing widget with Emacs-like keybindings.éNcCsð|j|d|tj||dƒ|j||dtj||dƒ|j||dtj||dƒ|j|d|tj||dƒ|j||tjƒ|j||tjƒ|j||tjƒ|j||tj ƒdS)z^Draw a rectangle with corners at the provided upper-left and lower-right coordinates. éN) ZvlineÚcursesZ ACS_VLINEZhlineZ ACS_HLINEÚaddchZ ACS_ULCORNERZ ACS_URCORNERZ ACS_LRCORNERZ ACS_LLCORNER)ÚwinÚulyÚulxZlryZlrx©rú3/opt/alt/python34/lib64/python3.4/curses/textpad.pyÚ rectangles%%%%r c@sdeZdZdZddd„Zdd„Zdd„Zd d „Zd d „Zd dd„Z d S)ÚTextboxadEditing 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 FcCsm||_||_|jƒ\|_|_|jd|_|jd|_d|_d|_|jdƒdS)Nr)rÚ insert_modeZgetmaxyxÚmaxyÚmaxxÚ stripspacesÚlastcmdZkeypad)Úselfrr rrr Ú__init__+s    zTextbox.__init__cCsu|j}xetjj|jj||ƒƒtjjkrSt|j|dƒ}Pn|dkrcPn|d}q W|S)zuGo to the location of the first blank on the given line, returning the index of the last non-blank character.rr)rrÚasciirÚinchZSPÚmin)rÚyÚlastrrr Ú _end_of_line5s - zTextbox._end_of_linec Cs×|jjƒ\}}||jks3||jkrÓ|jrN|jjƒ}ny|jj|ƒWntjk ryYnX|jrÓ|jjƒ\}}tj j |ƒrÐ|j |ƒ|jj ||ƒqÐqÓndS)N) rÚgetyxr rr rrrÚerrorrÚisprintÚ_insert_printable_charÚmove)rÚchrÚxZoldchZbackyZbackxrrr rBs   zTextbox._insert_printable_charcCse|jjƒ\}}||_tjj|ƒra||jksN||jkra|j|ƒqan|tjj kr‰|jj |dƒnØ|tjj tj tjj tjfkr`|dkrÙ|jj ||dƒnY|dkrènJ|jr|jj |d|j|dƒƒn|jj |d|jƒ|tjj tjfkra|jjƒqan|tjjkr‚|jjƒnß|tjjkrÕ|jr¼|jj ||j|ƒƒqa|jj ||jƒnŒ|tjjtjfkrE||jkr|jj ||dƒqa||jkr+qa|jj |ddƒn|tjjkr[dS|tjjkr¬|jdkr€dS||jkra|jj |ddƒqanµ|tjjkr|dkrï|j|ƒdkrï|jjƒqa|jj ||ƒ|jjƒnO|tjjkr4|jjƒn-|tjjtjfkr»||jkra|jj |d|ƒ||j|dƒkr¸|jj |d|j|dƒƒq¸qan¦|tjjkrÝ|jj ƒn„|tjj!tj"fkra|dkra|jj |d|ƒ||j|dƒkr^|jj |d|j|dƒƒq^qandS)z!Process a single editing command.rr)#rrrrrrr rrZSOHrZSTXZKEY_LEFTZBSZ KEY_BACKSPACErrZdelchZEOTZENQZACKZ KEY_RIGHTZBELÚNLZVTZdeletelnZclrtoeolZFFÚrefreshÚSOZKEY_DOWNZSIZinsertlnZDLEZKEY_UP)rrrrrrr Ú do_commandTsp *   ' !- -zTextbox.do_commandcCsãd}xÖt|jdƒD]Á}|jj|dƒ|j|ƒ}|dkr]|jr]qnx_t|jdƒD]J}|jr�||kr�Pn|ttj j |jj ||ƒƒƒ}qqW|jdkr|d}qqW|S)z.Collect and return the contents of the window.ÚrrÚ ) Úranger rrrrrÚchrrrr)rÚresultrÚstoprrrr Úgather”s/zTextbox.gatherNcCsaxT|jjƒ}|r'||ƒ}n|s3qn|j|ƒsFPn|jjƒqW|jƒS)z2Edit in the widget window and collect the results.)rZgetchr#r!r*)rZvalidaterrrr Úedit¤sz Textbox.edit) Ú__name__Ú __module__Ú __qualname__Ú__doc__rrrr#r*r+rrrr r s   @ r Ú__main__cCs‡d\}}d \}}|j|d|dƒtj||||ƒ}t||d|d||||ƒ|jƒt|ƒjƒS) Né éééézUse Ctrl-G to end editing.r)r1r2)r3r4)ZaddstrrZnewwinr r!r r+)ZstdscrZncolsZnlinesrrrrrr Ú test_editbox²s  & r6zContents of text box:) r/rZ curses.asciir r r,r6ÚwrapperÚstrÚprintÚreprrrrr Ús   ž