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Fr›N)r™ršrœrr4r4r5Úreset_sgr_ibmpcÆszTermCharset.reset_sgr_ibmpccCsT|js|j|jdkrLt | d¡¡}|dkr@d|_tt|ƒSd|_|Sn|SdS)Nr–Úcp437rr’r“) r™r˜rœrÚfindÚdecoder¡Ústrr)r‚ÚcharZdec_posr4r4r5Ú apply_mappingÍs zTermCharset.apply_mapping) rŽrrrŸrƒržršr¢r£r©r4r4r4r5r‘ sü r‘csDeZdZdZdZdd„Z‡fdd„Z‡fdd„Z‡fd d „Z‡Z S) Ú TermScrollerzd List subclass that handles the terminal scrollback buffer, truncating it as necessary. i'cCst|ƒ|jkr| d¡dSrM)ÚlenÚSCROLLBACK_LINESÚpoprr4r4r5ÚtruncàszTermScroller.trunccs| ¡tt|ƒ |¡dSrb)r®ÚsuperrªÚappend)r‚Úobj©Ú __class__r4r5r°äszTermScroller.appendcs| ¡tt|ƒ ||¡dSrb)r®r¯rªr)r‚Úidxr±r²r4r5rèszTermScroller.insertcs| ¡tt|ƒ |¡dSrb)r®r¯rªÚextend)r‚Úseqr²r4r5rµìszTermScroller.extend) rŽrrÚ__doc__r¬r®r°rrµÚ __classcell__r4r4r²r5rªÙs   rªc@s&eZdZdZdd„Zd|dd„Zdd„Zd}d d „Zd d „Zd~dd„Z ddd„Z d€dd„Z e dƒfdd„Z e dƒfdd„Zdd„Zdd„Zdd„Zdd „Zdd!d"„Zd#d$„Zd%d&„Zd'd(„Zd)d*„Zd+d,„Zd-d.„Zd‚d/d0„Zdƒd1d2„Zd„d3d4„Zd5d6„Zd7d8„Zd…d9d:„Zd;d<„Z d†d=d>„Z!d‡d?d@„Z"dˆdAdB„Z#d‰dDdE„Z$dŠdFdG„Z%dHdI„Z&dJdK„Z'd‹dMdN„Z(dŒdOdP„Z)ddQdR„Z*dŽdSdT„Z+dUdV„Z,dWdX„Z-dYdZ„Z.dd[d\„Z/dd]d^„Z0d_d`„Z1d‘dadb„Z2d’ddde„Z3d“dfdg„Z4dhdi„Z5djdk„Z6dldm„Z7dndo„Z8d”dpdq„Z9d•drds„Z:dtdu„Z;dvdw„ZdS)—Ú TermCanvasFcCs^t |¡|||_|_||_|j|_d|_tƒ|_ d|_ d|_ t ƒ|_ d|jd<| ¡dS)NFr)rrNÚcursor)rrƒÚwidthÚheightÚwidgetÚ term_modesrpÚ has_focusrªÚscrollback_bufferÚ scrolling_upÚutf8_eat_bytesrÚ utf8_bufferZcoordsrs)r‚r»r¼r½r4r4r5rƒós  zTermCanvas.__init__NcCsl|dur|jd}|dur$|jd}| ||¡|_|jrb|jjrb|j|j|krb|||jf|_nd|_dS)z— Set terminal cursor to x/y and update canvas cursor. If one or both axes are omitted, use the values of the current position. Nrr,)r^Úconstrain_coordsr¿rpr‹rÁr¼rº)r‚ÚxÚyr4r4r5Úset_term_cursors  ÿþzTermCanvas.set_term_cursorcCsd|_|jd|_dS)z? Reset scrolling region to full terminal size. rr,N)Úscrollregion_startr¼Úscrollregion_endrr4r4r5Ú reset_scrollszTermCanvas.reset_scrollTcCsx|rd|_| ¡dS|dur(|jd}|s2| }t|jƒ}|j|7_|j|kr\||_n|jdkrld|_| ¡dS)zï Scroll the scrolling buffer up (up=True) or down (up=False) the given amount of lines or half the screen height. If just 'reset' is True, set the scrollbuffer view to the current terminal content. rNrK)rÁrÇr¼r«rÀ)r‚rrsrUZ maxscrollr4r4r5Ú scroll_buffers    zTermCanvas.scroll_buffercCsZtƒ|_d|_d|_d|_tƒ|_d|_d|_d|_ |  ¡|  ¡|j   ¡| ¡dS)z% Reset the terminal. FrN)rÚescbufÚ within_escapeÚ parsestateÚattrspecr‘rÚ saved_cursorÚ saved_attrsÚis_rotten_cursorrÊÚ init_tabstopsrprsÚclearrr4r4r5rs<s zTermCanvas.resetcCsRt|jdƒ\}}|dkr |d7}|rBt|jƒ|krN|j d¡q$n dg||_dS)Nérr,)Údivmodr»r«Útabstopsr°)r‚rµZtablenÚmodr4r4r5rÓVszTermCanvas.init_tabstopscCs~|r&tt|jƒƒD]}d|j|<qdS|dur8|jd}t|dƒ\}}|rd|j|d|>M<n|j|d|>O<dS©NrrÕr,)rr«r×r^rÖ)r‚rÅÚremoverÔrÚdivrØr4r4r5Ú set_tabstopas  zTermCanvas.set_tabstopcCs6|dur|jd}t|dƒ\}}|j|d|>@dkSrÙ)r^rÖr×)r‚rÅrÛrØr4r4r5Ú is_tabstopps zTermCanvas.is_tabstopú cCs| |¡g|jSrb)Ú empty_charr»©r‚r¨r4r4r5Ú empty_linewszTermCanvas.empty_linecCs|j|jj|fSrb)rÏrr¡ràr4r4r5rßzszTermCanvas.empty_charcCs4|jdks|jdkrdS|D]}| t|ƒ¡qdSrM)r»r¼Úaddbyter )r‚ÚdataÚbyter4r4r5Úaddstr}szTermCanvas.addstrc Cs¤|j\}}||jkrHt|jƒD]&}|j|| ¡g||j7<qn2||jkrzt|jƒD]}|j|d|…|j|<q\||_||jkr6t|j|ƒD]š}z|j ¡}Wn4tyÞ|j  |  ¡¡|j d7_ Yq˜Yn0t |ƒ|jkr|| ¡g|jt |ƒ7}n|d|j…}|d7}|j  d|¡q˜n4||jkrjt||jƒD]}|j  |j d¡¡qN||_| ¡| ||¡\}}| ||¡|jdddS)zD Resize the terminal to the given width and height. Nr,rT)rµ)r^r»rr¼ÚtermrßrÀr­Ú IndexErrorr°rárÉr«rrÊrÄrÇrÓ)r‚r»r¼rÅrÆÚ last_liner4r4r5Úresize…s>  &      ÿ  zTermCanvas.resizecCsr|jjtkrdS|tdƒkr"d}nd}|tdƒkr8d}n(|tdƒkrJd}n|td ƒkr\d }nd }|j ||¡dS) zF Set G0 or G1 according to 'char' and modifier 'mod'. Nú(rr,r’r•r“r–rQr—r”)rprrŒrrrž)r‚r¨rØrjZcsetr4r4r5Úset_g01ºs     zTermCanvas.set_g01c Cs|j tdƒ¡}g}|j|r dp"dd… tdƒ¡D]2}z t|ƒ}WntyZd}Yn0| |¡q4t|durt|ddkr˜tt|d}nt|}|\}}} t|ƒ|krÂ| |¡qªt t|ƒƒD]$} || dusê|| dkrÎ||| <qÎz| |||ƒWntyYn0dS)zL Parse ECMA-48 CSI (Control Sequence Introducer) sequences. ú?r,rNú;r`) rÌÚ startswithrÚsplitÚintÚ ValueErrorr°Ú CSI_COMMANDSr«r) r‚r¨ÚqmarkrÌÚargZnumZcsi_cmdZnumber_of_argsZ default_valueÚcmdÚir4r4r5Ú parse_csiÑs,$        zTermCanvas.parse_csicCsN|tdƒkr$|tdƒkr$| ¡n&|tdƒkr\|tdƒkrFt|j_n|tdƒvrZt|j_nî|tdƒkst|tdƒkr‚| ||¡nÈ|tdƒkrœ|jd d n®|td ƒkr²| ¡n˜|td ƒkrÈ| ¡n‚|td ƒkrÞ|  ¡nl|tdƒkrô|  ¡nV|tdƒkr|j   t d¡n6|tdƒkr0|jd dn|tdƒkrJ|jd ddS)z; Parse escape sequences which are not CSI. ú#Ú8ú%r+ZG8rêú)rWT©ÚreverserBrarCrJÚZú[?6cÚ7)Ú with_attrsN)rÚdecalnrŒrprÚ CHARSET_UTF8rëÚlinefeedrsÚnewlinerÜr½ÚrespondÚESCr|r~)r‚r¨rØr4r4r5Ú parse_noncsiôs2               zTermCanvas.parse_noncsicCsJ| tdƒ¡r$|j |dd…¡n"| tdƒ¡rF|j |dd…¡dS)z1 Parse operating system command. rír,Nz3;rK)rîrr½Ú set_title)r‚Úbufr4r4r5Ú parse_oscszTermCanvas.parse_oscc CsX|jdkr\|t ¡vr(| |¡d|_n0|tdƒvsF|jsX|tdƒkrX|j|7_dSnð|jdkr„|tdƒkr„tƒ|_d|_dS|jdkr´|tdƒkr´| |j tdƒ¡¡n˜|jdkr|jd d…|tt d ƒkr| |jdd … tdƒ¡¡nJ|jdkr4|j  td ƒ¡r4t |jƒd kr4n|jdkrX|jsX|td ƒkrXnô|jdkrv|j|7_dS|jdkr¢|tdƒkr¢tƒ|_d|_dS|jdkrà|tdƒtdƒtdƒtdƒfvrà||_d|_dS|jdkrü|  ||j¡nP|tdƒtdƒtdƒtdƒtdƒtdƒtdƒtdƒtdƒtdƒf vrL|  |¡|  ¡dS)Nr,rz 0123456789;rìú]rKúr’éÿÿÿÿú\rYrÕÚRú[rúrørêrûérarBrCrJrWrþrrùú>ú=)rÎròÚkeysr÷rrÌrr Úlstriprrîr«rÚ leave_escaperàr4r4r5Ú parse_escapesJ   ," ÿ" . F zTermCanvas.parse_escapecCsd|_d|_tƒ|_dS)NFr)rÍrÎrrÌrr4r4r5rKszTermCanvas.leave_escapecCs"d}|d@r|dK}|d7}q|S)z§ Process startbyte and return the number of bytes following it to get a valid UTF-8 multibyte sequence. bytenum -- an integer ordinal ré@r,r4)r‚ZbytenumÚlengthr4r4r5Ú get_utf8_lenPs  zTermCanvas.get_utf8_lencCsê|jjtkstjdkrÔ|dkr8| |¡|_t|ƒ|_dSd|krLdkrÄnnt|jdurÄ|jdkrˆ|jd8_|jt|ƒ7_dSd|_|jt|ƒ  dd¡}t |ƒdkr´dS|  tjd ¡}qÜd|_t|ƒ}nt|ƒ}|  |¡dS) z Parse main charset and add the processed byte(s) to the terminal state machine. byte -- an integer ordinal Úutf8éÀNé€r,úutf-8ÚignorerÚreplace) rprrrZ_target_encodingrrÂrrÃr¦r«ÚencodeÚ process_char)r‚räZsequencer¨r4r4r5râ_s* ÿ  "   zTermCanvas.addbytecCsÀ|j\}}t|tƒrt|ƒ}|jj}|tdƒkrD|jdkrDd|_nx|s`|tdƒkr`|  ¡n\|s€|tdƒkr€|j   d¡n<|s |tdƒkr |j   d¡n|sÊ|td ƒvrÊ|  ¡|jj rÈ|  ¡nò|sä|td ƒkrä| ¡nØ|s|td ƒkr|dkr¼| |d|¡n¨|s@|td ƒkr@|jdkr@|j ¡n||s^|td ƒvr^| ¡n^|st|tdƒvrtnH|jrˆ| |¡n4|s²|tdƒkr²d|_tƒ|_d|_n | |¡dS)ze Process a single character (single- and multi-byte). char -- a byte string úrKTú úrúr,z ú úr zzõ›N)r^Ú isinstancerðÚchrrpr…rrÎrÍÚcarriage_returnrršrr†rrÇr½ÚbeeprrrrÌÚ push_cursor)r‚r¨rÅrÆZdcr4r4r5r#ƒsD           zTermCanvas.process_charcCsR|dur|jd}|dur$|jd}| ||¡\}}|j|jj|f|j||<dS)z~ Set character of either the current cursor position or a position given by 'x' and/or 'y' to 'char'. Nrr,)r^rÄrÏrr¡ræ©r‚r¨rÅrÆr4r4r5Úset_char²s   zTermCanvas.set_charcCs|||jkr|jd}n |dkr"d}|jjrR|sR||jkr@|j}qt||jkrt|j}n"||jkrh|jd}n |dkrtd}||fS)zÖ Checks if x/y are within the terminal and returns the corrected version. If 'ignore_scrolling' is set, constrain within the full size of the screen and not within scrolling region. r,r)r»rpr‰rÉrÈr¼)r‚rÅrÆÚignore_scrollingr4r4r5rÄ¿s       zTermCanvas.constrain_coordscCsš|j\}}|rL|dkr$|jkr*qJnqŠ||jkrB|jddqŠ|d8}n>||jdkrh|jkrnqŠnn||jkr‚| ¡n|d7}| ||¡dS)zw Move the cursor down (or up if reverse is True) one line but don't reset horizontal position. rTrür,N)r^rÈÚscrollr¼rÉrÇ)r‚rýrÅrÆr4r4r5r×s      zTermCanvas.linefeedcCs| d|jd¡dSr\)rÇr^rr4r4r5r-ïszTermCanvas.carriage_returncCs| ¡| ¡dS)z? Do a carriage return followed by a line feed. N)r-rrr4r4r5ròszTermCanvas.newlinecCsT|r d}}|r|jd|}|r2|jd|}n|jjrD||j7}| ||¡dS)zÿ Move cursor to position x/y while constraining terminal sizes. If 'relative' is True, x/y is relative to the current cursor position. 'relative_x' and 'relative_y' is the same but just with the corresponding axis. Trr,N)r^rpr‰rÈrÇ)r‚rÅrÆrfrFr:r4r4r5r<ùs zTermCanvas.move_cursorcCsD|dur4|j |¡}|jjr*|j|dn | |¡| ||¡dS)zS Push one character to current position and advance cursor to x/y. N)r¨)rr©rprr/r1rÇr0r4r4r5Ú push_chars   zTermCanvas.push_charcCsÄ|j\}}|jjr–|d|jkr<|js._defaulterú,r”) ÚaddÚdiscardrr£rpr…r¢rÔr«ÚjoinÚlistr )r‚rvÚfgÚbgÚ attributesÚattrrPr4r4r5Úsgi_to_attrspecós\                      zTermCanvas.sgi_to_attrspeccCsÒ|ddkrd|_tƒ}|jdur,d}}nvd|jjvr>d}n|jj}|dkrV|d8}d|jjvrhd}n|jj}|dkr€|d8}dD]}t|j|ƒs–q„| |¡q„| ||||¡}|j j rÈ|  |¡|_n||_dS)z) Set graphics rendition. rrNr”rÕ)rHrBrKrM) rÏÚsetÚ foregroundZforeground_numberZ backgroundZbackground_numberÚgetattrrRrZrprˆÚreverse_attrspec)r‚rvrXrVrWrYrÏr4r4r5ru:s*       zTermCanvas.csi_set_attrcCsr|durtddƒ}dd„|j d¡Dƒ}d|vrL|rL| d¡d |¡|_n"d|vrn|sn| d¡d |¡|_|S)zd Put standout mode to the 'attrspec' given and remove it if 'undo' is True. Nr”cSsg|] }| ¡‘qSr4)Ústrip)Ú.0rVr4r4r5Ú fr7z/TermCanvas.reverse_attrspec..rQrM)r r\rïrÚrTr°)r‚rÏÚundorvr4r4r5r^_s      zTermCanvas.reverse_attrspeccCs`t|jƒD]P}t|jƒD]@}|j||}|j|d|d}|f|dd…|j||<qq dS)zP Reverse video/scanmode (DECSCNM) by swapping fg and bg colors. r©rbr,N)rr¼r»rær^)r‚rbrÆrÅr¨rvr4r4r5rˆos zTermCanvas.reverse_videocCsÖ|rž|dkr||j_qÒ|dkr(| ¡qÒ|dkrT|jj|krJ|j| d||j_qÒ|dkrr||j_| dd¡qÒ|dkr„||j_qÒ|dkrÒ||j_| ¡n4|dkr°||j_n"|d krÂ||j_ n|d krÒ||j_ d S) zC Helper method for csi_set_modes: set single mode. r,rrJrcérrLrOrIéN) rpr‡rÔrˆr‰rÇrŠr‹r…rr†)r‚rPÚflagrórsr4r4r5Úset_modeys.        zTermCanvas.set_modecCs$| }|D]}| ||||¡q dS)zX Set (DECSET/ECMA-48) or reset modes (DECRST/ECMA-48) if reset is True. N)rg)r‚rprórsrfrPr4r4r5rnšszTermCanvas.csi_set_modesrcCsx|dkr d}|dkr|j}||kr0|jkrtnn@|jd|dddd|_|jd|dddd|_| dd¡dS)zâ Set scrolling region, 'top' is the line number of first line in the scrolling region. 'bottom' is the line number of bottom line. If both are set to 0, the whole screen will be used (default). rr,T)r2N)r¼rÄrÈrÉrÇ)r‚ÚtopZbottomr4r4r5r{£s  ÿþ ÿþzTermCanvas.csi_set_scrollcCs.|dkr|jddn|dkr*|jdddS)zc Clear tabstop at current position or if 'mode' is 3, delete all tabstops. rT)rÚr)rÔN)rÜ©r‚rPr4r4r5rk¸szTermCanvas.csi_clear_tabstopcCs|s|j td¡dS)zz Report device attributes (what are you?). In our case, we'll report ourself as a VT102 terminal. rÿN)r½rr)r‚rór4r4r5rcÂsz$TermCanvas.csi_get_device_attributescCsP|dkr|j td¡n2|dkrL|j\}}|j td|d|df¡dS)zÚ Report various information about the terminal status. 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If 'command' is None, the command is the current user's shell. You can also provide a callable instead of a command, which will be executed in the subprocess. ``env`` can be used to pass custom environment variables. If omitted, os.environ is used. ``main_loop`` should be provided, because the canvas state machine needs to act on input from the PTY master device. This object must have watch_file and remove_watch_file methods. ``escape_sequence`` is the urwid key symbol which should be used to break out of the terminal widget. If it's not specified, ``ctrl a`` is used. ``encoding`` specifies the encoding that is being used when local keypresses in Unicode are encoded into raw bytes. UTF-8 is used by default. Set this to the encoding of your terminal if you need to transmit characters to the spawned process in non-UTF8 encoding. Applies to Python 3.x only. .. note:: If you notice your Terminal instance is not printing unicode glyphs correctly, make sure the global encoding for urwid is set to ``utf8`` with ``urwid.set_encoding("utf8")``. 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