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� � z[Az[Bz[Cz[Dz[1~z[2~z[3~z[4~z[5~z[6~z[[Az[[Bz[[Cz[[Dz[[Ez[17~z[18~z[19~z[20~z[21~z[23~z[24~)�enterZ backspace�tab�esc�up�down�right�left�home�insert�delete�endzpage upz page down�f1�f2�f3�f4�f5Zf6Zf7Zf8Zf9Zf10Zf11Zf12ZOAZOBZOCZOD�OPZOQ�ORZOSz[15~) r r r r r" r# r$ r% r& �@� c C s | j |d d�S )Nr )�chars)� insert_chars)�s�number�q� r0 �-/usr/lib/python3/dist-packages/urwid/vterm.py�<lambda>g s r2 �Ac C s | j d|d dd�S )Nr T)�relative)� move_cursor)r- �rowsr/ r0 r0 r1 r2 h s r c C s | j d|d dd�S )Nr T)r4 )r5 )r- r6 r/ r0 r0 r1 r2 i s �Cc C s | j |d ddd�S )Nr T)r4 )r5 )r- �colsr/ r0 r0 r1 r2 j s �Dc C s | j |d ddd�S )Nr T)r4 )r5 )r- r8 r/ r0 r0 r1 r2 k s �Ec C s | j d|d dd�S )Nr T)�
relative_y)r5 )r- r6 r/ r0 r0 r1 r2 l s �Fc C s | j d|d dd�S )Nr T)r; )r5 )r- r6 r/ r0 r0 r1 r2 m s �Gc C s | j |d d ddd�S )Nr r* T)r; )r5 )r- �colr/ r0 r0 r1 r2 n s �H� c C s | j |d d |d d �S )Nr* r )r5 )r- Zx_yr/ r0 r0 r1 r2 o s �Jc C s | j |d �S )Nr )�csi_erase_display)r- �moder/ r0 r0 r1 r2 p s �Kc C s | j |d �S )Nr )�csi_erase_line)r- rC r/ r0 r0 r1 r2 q s �Lc C s | j |d d�S )Nr )�lines)� insert_lines)r- r. r/ r0 r0 r1 r2 r s �Mc C s | j |d d�S )Nr )rG )� remove_lines)r- r. r/ r0 r0 r1 r2 s s �Pc C s | j |d d�S )Nr )r+ )� remove_chars)r- r. r/ r0 r0 r1 r2 t s �Xc C s* | j | j| jd |d d | jd f�S )Nr r* )�erase� term_cursor)r- r. r/ r0 r0 r1 r2 u s �a�alias�cc C s
| j |�S )N)�csi_get_device_attributes)r- �noner/ r0 r0 r1 r2 y s �dc C s | j d|d d dd�S )Nr r* T)�
relative_x)r5 )r- �rowr/ r0 r0 r1 r2 z s �e�f�gc C s | j |d �S )Nr )�csi_clear_tabstop)r- rC r/ r0 r0 r1 r2 } s �hc C s | j ||�S )N)�
csi_set_modes)r- �modesr/ r0 r0 r1 r2 ~ s �lc C s | j ||dd�S )NT)�reset)r] )r- r^ r/ r0 r0 r1 r2 s �mc C s
| j |�S )N)� csi_set_attr)r- �attrsr/ r0 r0 r1 r2 � s �nc C s | j |d �S )Nr )�csi_status_report)r- rC r/ r0 r0 r1 r2 � s r/ c C s | j |d �S )Nr )�csi_set_keyboard_leds)r- rC r/ r0 r0 r1 r2 � s �rc C s | j |d |d �S )Nr r* )�csi_set_scroll)r- Zt_br/ r0 r0 r1 r2 � s r- c C s | j � S )N)� save_cursor)r- rT r/ r0 r0 r1 r2 � s �uc C s | j � S )N)�restore_cursor)r- rT r/ r0 r0 r1 r2 � s �`c @ s e Zd Zdd� Zdd� ZdS )� TermModesc C s | j � d S )N)r` )�selfr0 r0 r1 �__init__� s zTermModes.__init__c C s: d| _ d| _d| _d| _d| _d| _d| _d| _t| _ d S )NFT)
� display_ctrlr �lfnl� keys_decckm�
reverse_video�constrain_scrolling�autowrap�visible_cursor�CHARSET_DEFAULT� main_charset)rn r0 r0 r1 r` � s zTermModes.resetN)�__name__�
__module__� __qualname__ro r` r0 r0 r0 r1 rm � s rm c @ sJ e Zd Zddddd�Zdd� Zdd� Zd d
� Zd d � Zd
d� Zdd� Z dS )� TermCharsetN�0�U)�default�vt100�ibmpc�userc C s ddg| _ d| _| jd� d S )Nr r� Fr )�_g� _sgr_mapping�activate)rn r0 r0 r1 ro � s zTermCharset.__init__c C s || j |< | j| jd� dS )z1
Redefine G'g' with new mapping.
)rZ N)r� r� �active)rn rZ �charsetr0 r0 r1 �define� s
zTermCharset.definec C s || _ | jj| j| d�| _dS )z2
Activate the given charset slot.
N)r� �MAPPING�getr� �current)rn rZ r0 r0 r1 r� � s zTermCharset.activatec C s
d| _ dS )zA
Set graphics rendition mapping to IBM PC CP437.
TN)r� )rn r0 r0 r1 �
set_sgr_ibmpc� s zTermCharset.set_sgr_ibmpcc C s d| _ | j| jd� dS )zC
Reset graphics rendition mapping to IBM PC CP437.
F)rZ N)r� r� r� )rn r0 r0 r1 �reset_sgr_ibmpc� s zTermCharset.reset_sgr_ibmpcc C sT | j s| j| j dkrLtj|jd��}|dkr@d| _tt| �S d| _|S n|S d S )Nr� �cp437r r} r~ ) r� r� r� r �find�decoder� �strr )rn �charZdec_posr0 r0 r1 �
apply_mapping� s zTermCharset.apply_mapping)
ry rz r{ r� ro r� r� r� r� r� r0 r0 r0 r1 r| � s
r| c sD e Zd ZdZdZdd� Z� fdd�Z� fdd�Z� fd d
�Z� Z S ) � TermScrollerzd
List subclass that handles the terminal scrollback buffer,
truncating it as necessary.
i' c C s t | �| jkr| jd� d S )Nr )�len�SCROLLBACK_LINES�pop)rn r0 r0 r1 �trunc� s zTermScroller.truncc s | j � tt| �j|� d S )N)r� �superr� �append)rn �obj)� __class__r0 r1 r� � s zTermScroller.appendc s | j � tt| �j||� d S )N)r� r� r� r )rn �idxr� )r� r0 r1 r � s zTermScroller.insertc s | j � tt| �j|� d S )N)r� r� r� �extend)rn �seq)r� r0 r1 r� � s zTermScroller.extend)
ry rz r{ �__doc__r� r� r� r r� �
__classcell__r0 r0 )r� r1 r� � s r� c @ s& e Zd ZdZdd� Zd|dd�Zdd� Zd}d
d �Zd d
� Zd~dd�Z ddd�Z
d�dd�Z e d�fdd�Z
e d�fdd�Zdd� Zdd � Zd d � Zd d � Zd�d!d"�Zd#d$� Zd%d&� Zd'd(� Zd)d*� Zd+d,� Zd-d.� Zd�d/d0�Zd�d1d2�Zd�d3d4�Z d5d6� Z d7d8� Z d�d9d:�Z d;d<� Z d�d=d>�Z!d�d?d@�Z"d�dAdB�Z#d�dDdE�Z$d�dFdG�Z%dHdI� Z&dJdK� Z'd�dMdN�Z(d�dOdP�Z)d�dQdR�Z*d�dSdT�Z+dUdV� Z,dWdX� Z-dYdZ� Z.d�d[d\�Z/d�d]d^�Z0d_d`� Z1d�dadb�Z2d�ddde�Z3d�dfdg�Z4dhdi� Z5djdk� Z6dldm� Z7dndo� Z8d�dpdq�Z9d�drds�Z:dtdu� Z;dvdw� Z<d�dxdy�Z=dzd{� Z>dS )��
TermCanvasFc C sX t j| � || | _| _|| _|j| _t� | _d| _ d | _
t � | _ d| j
d< | j� d S )Nr �cursor)r r N)r ro �width�height�widget�
term_modesr^ r� �scrollback_buffer� scrolling_up�utf8_eat_bytesr � utf8_bufferZcoordsr` )rn r� r� r� r0 r0 r1 ro � s
zTermCanvas.__init__Nc C sf |dkr| j d }|dkr$| j d }| j||�| _ | jjr\| j| j| k r\||| j f| _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.
Nr r* )rO �constrain_coordsr^ rv r� r� r� )rn �x�yr0 r0 r1 �set_term_cursor s
zTermCanvas.set_term_cursorc C s d| _ | jd | _dS )z?
Reset scrolling region to full terminal size.
r r* N)�scrollregion_startr� �scrollregion_end)rn r0 r0 r1 � reset_scroll s zTermCanvas.reset_scrollTc C sx |rd| _ | j� dS |dkr(| jd }|s2| }t| j�}| j |7 _ | j |kr\|| _ n| j dk rld| _ | j� dS )z�
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.
r Nr@ )r� r� r� r� r� )rn r r` rG Z maxscrollr0 r0 r1 �
scroll_buffer s
zTermCanvas.scroll_bufferc C sZ t � | _d| _d| _d| _t� | _d| _d| _d| _ | j
� | j � | j j
� | j� dS )z%
Reset the terminal.
Fr N)r �escbuf�
within_escape�
parsestate�attrspecr| r� � saved_cursor� saved_attrs�is_rotten_cursorr� �
init_tabstopsr^ r` �clear)rn r0 r0 r1 r` 9 s
zTermCanvas.resetc C sV t | jd�\}}|dkr |d7 }|rFx,t| j�|k rB| jjd� q&W n dg| | _d S )N� r r* r* r* )�divmodr� r� �tabstopsr� )rn r� Ztablen�modr0 r0 r1 r� S s zTermCanvas.init_tabstopsc C s� |r*x t t| j��D ]}d| j|< qW d S |d kr<| jd }t|d�\}}|rh| j| d|> M < n| j| d|> O < d S )Nr r� r* )r r� r� rO r� )rn r� �remover� r �divr� r0 r0 r1 � set_tabstop^ s
zTermCanvas.set_tabstopc C s6 |d kr| j d }t|d�\}}| j| d|> @ dkS )Nr r� r* )rO r� r� )rn r� r� r� r0 r0 r1 �
is_tabstopm s
zTermCanvas.is_tabstop� c C s | j |�g| j S )N)�
empty_charr� )rn r� r0 r0 r1 �
empty_linet s zTermCanvas.empty_linec C s | j | jj|fS )N)r� r� r� )rn r� r0 r0 r1 r� w s zTermCanvas.empty_charc C s8 | j dks| jdkrd S x|D ]}| jt|�� q W d S )Nr )r� r� �addbyter
)rn �data�byter0 r0 r1 �addstrz s
zTermCanvas.addstrc C s� | j \}}|| jkrLxlt| j�D ]&}| j| | j� g|| j 7 < q W n6|| jk r�x*t| j�D ] }| j| d|� | j|< qbW || _|| jk�rBx�t| j|�D ]�}y| jj� }W n4 tk
r� | jj | j
� � | j d7 _ w�Y nX t |�| jk �r|| j� g| jt |� 7 }n|d| j� }|d7 }| jj
d|� q�W n8|| jk �rzx*t|| j�D ]}| jj | jjd�� �q\W || _| j� | j||�\}}| j||� | jdd� dS )zD
Resize the terminal to the given width and height.
Nr* r T)r� )rO r� r r� �termr� r� r� �
IndexErrorr� r� r� r� r r� r� r� r� )rn r� r� r� r� � last_liner0 r0 r1 �resize� s<
(
zTermCanvas.resizec C sr | j jtkrdS |td�kr"d}nd}|td�kr8d}n(|td�krJd}n|td �kr\d
}nd }| jj||� dS ) zF
Set G0 or G1 according to 'char' and modifier 'mod'.
N�(r r* r} r� r~ r� rD r� r )r^ rx rw r r� r� )rn r� r� rZ Zcsetr0 r0 r1 �set_g01� s zTermCanvas.set_g01c C s. | j jtd��}g }xX| j |r"dp$dd� jtd��D ]4}y t|�}W n tk
r^ d}Y nX |j|� q6W t| dk �r*t| d dkr�tt| d }nt| }|\}}} xt|�|k r�|j|� q�W x4t t|��D ]$}
||
dks�||
dkr�|||
< q�W y| | ||� W n tk
�r( Y nX dS )zL
Parse ECMA-48 CSI (Control Sequence Introducer) sequences.
�?r* r N�;rQ )
r� �
startswithr �split�int�
ValueErrorr� � CSI_COMMANDSr� r ) rn r� �qmarkr� �argZnumZcsi_cmdZnumber_of_argsZ
default_value�cmd�ir0 r0 r1 � parse_csi� s, &
zTermCanvas.parse_csic C sN |t d�kr$|t d�kr$| j� �n&|t d�kr\|t d�krFt| j_n|t d�krZt| j_n�|t d�kst|t d�kr�| j||� n�|t d�kr�| jd d
� n�|t d �kr�| j� n�|t d �kr�| j� n�|t d
�kr�| j � nl|t d�kr�| j
� nV|t d�k�r| j j t
d � n6|t d�k�r0| jd d� n|t d�k�rJ| jd d� dS )z;
Parse escape sequences which are not CSI.
�#�8�%r) ZG8r� �)rI T)�reverser9 rR r: r? �Zz[?6c�7)�
with_attrsN)r �decalnrw r^ rx � CHARSET_UTF8r� �linefeedr` �newliner� r� �respond�ESCri rk )rn r� r� r0 r0 r1 � parse_noncsi� s2
zTermCanvas.parse_noncsic C sJ |j td��r$| jj|dd� � n"|j td��rF| jj|dd� � dS )z1
Parse operating system command.
r� r* Nz3;r@ )r� r r� � set_title)rn �bufr0 r0 r1 � parse_osc s zTermCanvas.parse_oscc C sZ | j dkr^|tj� kr(| j|� d| _ n2|td�ksH| j rZ|td�krZ| j|7 _d S �n�| j dkr�|td�kr�t� | _d| _ d S | j dkr�|td�kr�| j| jjtd��� �n�| j dko�| jd d � | tt d �k�r| j| jd d � jtd��� �nL| j dk�r4| jj
td
���r4t | j�d k�r4�n| j dk�rZ| j �rZ|td �k�rZn�| j dk�rx| j|7 _d S | j dk�r�|td
�k�r�t� | _d| _ d S | j dk�r�|td�td�td�td�fk�r�|| _d| _ d S | j dk�r�| j || j� nP|td�td�td�td�td�td�td�td�td�td �f
k�rN| j |� | j
� d S ) Nr* r z 0123456789;r� �]r@ �r} �\rK r� �R�[r� r� r� r� � rR r9 r: r? rI r� r� r� �>�=���r� )r� r� �keysr� r r� r r� �lstripr� r� r� r� � leave_escape)rn r� r0 r0 r1 � parse_escape sH
*" $ . F
zTermCanvas.parse_escapec C s d| _ d| _t� | _d S )NFr )r� r� r r� )rn r0 r0 r1 r� H s zTermCanvas.leave_escapec C s& d}x |d@ r |dK }|d7 }qW |S )z�
Process startbyte and return the number of bytes following it to get a
valid UTF-8 multibyte sequence.
bytenum -- an integer ordinal
r �@ r* r0 )rn ZbytenumZlengthr0 r0 r1 � get_utf8_lenM s
zTermCanvas.get_utf8_lenc C s� | j jtkstjdkr�|dkr8| j|�| _t|�| _dS d| koJdk n r�| jdk r�| jdkr�| jd8 _| jt|�7 _dS d| _| jt|� j dd�}t
|�dkr�dS |j tjd �}q�d| _t|�}nt|�}| j |� dS )
z�
Parse main charset and add the processed byte(s) to the terminal state
machine.
byte -- an integer ordinal
�utf8� N� r* zutf-8�ignorer �replace)
r^ rx r� r Z_target_encodingr� r� r r� r� r� �encode� process_char)rn r� Zsequencer� r0 r0 r1 r� \ s(
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zTermCanvas.addbytec C s� | j \}}t|t�r t|�}| jj}|td�krD| jdkrDd| _�n�| rb|td�krb| j � �nl| r�|td�kr�| j
j d� �nJ| r�|td�kr�| j
j d� �n(| r�|td �kr�| j � | jj
r�| j � n�| r�|td
�kr�| j� n�| o�|td �k�r |dk�r�| j|d |� n�| �rL|td �k�rL| jdk�rL| jj� n�| �rl|td
�k�rl| j� nb| �r�|td�k�r�nJ| j�r�| j|� n6| �r�|td�k�r�d| _t� | _d| _n
| j|� dS )ze
Process a single character (single- and multi-byte).
char -- a byte string
�r@ T�
�r �r* z
� �r� zz � N)rO �
isinstancer� �chrr^ rp r r� r� �carriage_returnr� r� r� rq r r� r� �beepr� r� r r� � push_cursor)rn r� r� r� Zdcr0 r0 r1 r � sD
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zTermCanvas.process_charc C sR |dkr| j d }|dkr$| j d }| j||�\}}| j| jj|f| j| |< dS )z~
Set character of either the current cursor position
or a position given by 'x' and/or 'y' to 'char'.
Nr r* )rO r� r� r� r� r� )rn r� r� r� r0 r0 r1 �set_char� s
zTermCanvas.set_charc C s~ || j kr| j d }n |dk r"d}| jjrT| rT|| jkrB| j}qv|| jk rv| j}n"|| jkrj| jd }n |dk rvd}||fS )z�
Checks if x/y are within the terminal and returns the corrected version.
If 'ignore_scrolling' is set, constrain within the full size of the
screen and not within scrolling region.
r* r )r� r^ rt r� r� r� )rn r� r� �ignore_scrollingr0 r0 r1 r� � s
zTermCanvas.constrain_coordsc C s� | j \}}|rL|d ko"| jk n r*q�|| jkrB| jdd� q�|d8 }n>|| jd kof| jkn rnn || jkr�| j� n|d7 }| j||� dS )zw
Move the cursor down (or up if reverse is True) one line but don't reset
horizontal position.
r T)r� r* N)rO r� �scrollr� r� r� )rn r� r� r� r0 r0 r1 r� � s
zTermCanvas.linefeedc C s | j d| jd � d S )Nr r* )r� rO )rn r0 r0 r1 r � s zTermCanvas.carriage_returnc C s | j � | j� dS )z?
Do a carriage return followed by a line feed.
N)r r� )rn r0 r0 r1 r� � s zTermCanvas.newlinec C sT |r d }}|r | j d | }|r2| j d | }n| jjrD|| j7 }| j||� dS )z�
Move cursor to position x/y while constraining terminal sizes.
If 'relative' is True, x/y is relative to the current cursor
position. 'relative_x' and 'relative_y' is the same but just with
the corresponding axis.
Tr r* N)rO r^ rt r� r� )rn r� r� rV r; r4 r0 r0 r1 r5 � s
zTermCanvas.move_cursorc C sD |dk r4| j j|�}| jjr*| j|d� n
| j|� | j||� dS )zS
Push one character to current position and advance cursor to x/y.
N)r� )r� r� r^ r r, r r� )rn r� r� r� r0 r0 r1 � push_char s
zTermCanvas.push_charc C s� | j \}}| jjr�|d | jkr>| j r>d| _| j|||� q�|d7 }|| jkr�| jr�|| jkrj| j� n|d7 }d}| jd|� | j|||� d| _n*|d | jk r�|d7 }d| _| j|||� dS )z�
Move cursor one character forward wrapping lines as needed.
If 'char' is given, put the character into the former position.
r* Tr FN) rO r^ ru r� r� r r� r r� )rn r� r� r� r0 r0 r1 r s$
zTermCanvas.push_cursorc C s. t | j�| _|r*tj| j�tj| j�f| _d S )N)�tuplerO r� �copyr� r� r� )rn r� r0 r0 r1 ri = s
zTermCanvas.save_cursorc C s\ | j d krd S | j \}}| j||� |rX| jd k rXtj| jd �tj| jd � | _| _d S )Nr r* )r� r� r� r r� r� )rn r� r� r� r0 r0 r1 rk C s
zTermCanvas.restore_cursorr� c C sV | j \}}x4|| jd k r>| jtd�� |d7 }| j|�r P q W d| _| j||� dS )zg
Moves cursor to the next 'tabstop' filling everything in between
with spaces.
r* r� FN)rO r� r r r� r� r� )rn Ztabstopr� r� r0 r0 r1 r N s
zTermCanvas.tabc C sZ |r(| j j| j� | j j| j| j� � n.| j j| j�}| jj|� | j j| j| j� � dS )z�
Append a new line at the bottom and put the topmost line into the
scrollback buffer.
If reverse is True, do exactly the opposite, but don't save into
scrollback buffer.
N)r� r� r� r r� r� r� r� )rn r� Zkilledr0 r0 r1 r _ s zTermCanvas.scrollc C s( x"t | j�D ]}| jd�| j|< q W dS )zB
DEC screen alignment test: Fill screen with E's.
r: N)r r� r� r� )rn rW r0 r0 r1 r� o s zTermCanvas.decalnc C s | j � | j|< dS )zZ
Blank a single line at the specified row, without modifying other lines.
N)r� r� )rn rW r0 r0 r1 �
blank_linev s zTermCanvas.blank_liner* c C s~ |dkr| j }|dkrd}|dkr,| j� }n| j| jj|f}|\}}x4|dkrx| j| j||� | j| j� |d8 }qFW dS )z�
Insert 'chars' number of either empty characters - or those specified by
'char' - before 'position' (or the current position if not specified)
pushing subsequent characters of the line to the right without wrapping.
Nr r* )rO r� r� r� r� r� r r� )rn �positionr+ r� r� r� r0 r0 r1 r, | s
zTermCanvas.insert_charsc C s` |dkr| j }|dkrd}|\}}x8|dkrZ| j| j|� | j| j| j� � |d8 }q$W dS )z�
Remove 'chars' number of empty characters from 'position' (or the current
position if not specified) pulling subsequent characters of the line to
the left without joining any subsequent lines.
Nr r* )rO r� r� r� r� )rn r r+ r� r� r0 r0 r1 rL � s
zTermCanvas.remove_charsc C s` |dkr| j d }n| j}|dkr&d}x4|dkrZ| jj|| j� � | jj| j� |d8 }q(W dS )z�
Insert 'lines' of empty lines after the specified row, pushing all
subsequent lines to the bottom. If no 'row' is specified, the current
row is used.
Nr* r )rO r� r� r r� r� r� )rn rW rG r0 r0 r1 rH � s
zTermCanvas.insert_linesc C s` |dkr| j d }n| j}|dkr&d}x4|dkrZ| jj|� | jj| j| j� � |d8 }q(W dS )z�
Remove 'lines' number of lines at the specified row, pulling all
subsequent lines to the top. If no 'row' is specified, the current row
is used.
Nr* r )rO r� r� r� r r� r� )rn rW rG r0 r0 r1 rJ � s
zTermCanvas.remove_linesc C s� | j |� \}}| j |� \}}||krRx(t||d �D ]}| j� | j| |< q4W dS |}x�||kr�||kr�xdt|| j�D ]}| j� | j| |< qvW n<||kr�x2t|d �D ]}| j� | j| |< q�W n
| j|� |d7 }qXW dS )aB
Erase a region of the terminal. The 'start' tuple (x, y) defines the
starting position of the erase, while end (x, y) the last position.
For example if the terminal size is 4x3, start=(1, 1) and end=(1, 2)
would erase the following region:
....
.XXX
XX..
r* N)r� r r� r� r� r ) rn �startr! ZsxZsy�exZeyr� r� r0 r0 r1 rN � s
zTermCanvas.erasec C s� �xv|D �]l}d| ko dkn r0|d }qd| koBdkn rR|d }q|dkrj|j d� d}q|dkr�|jd� d}q|d kr�d}q|d
kr�| jj� d | j_q|d kr�| jj� d| j_q|dkr�|j d� q|dkr�|j d� q|dk�r|j d� q|dk�r |j d� q|dk�r2|jd� q|dk�rH|jd� q|dk�r^|jd� q|dkrd }}|j� qW d|k�r�|dk �r�|d7 }dd � }||�}||�}t|�dk�r�d j |gt
|� �}|d k�r�|d k�r�dS t ||�S dS ) z�
Parse SGI sequence and return an AttrSpec representing the sequence
including all earlier sequences specified as 'fg', 'bg' and
'attributes'.
� �% �( �/ �& � underlineN�' �1 �
F� � Tr* �bold� � �blink� �standout� � r r r� c S s | d kr dS t | S d S )Nr )r )Zcolorr0 r0 r1 �
_defaulter& s z.TermCanvas.sgi_to_attrspec.<locals>._defaulter�,r )r% r& ) �add�discardr� r� r^ rp r� r� r� �join�listr
)rn rc �fg�bg�
attributes�attrr/ r0 r0 r1 �sgi_to_attrspec� s\
zTermCanvas.sgi_to_attrspecc C s� |d
dkrd| _ t� }| j dkr,d }}nzd| j jkr>d}n| j j}|dkrV|d8 }d| j jkrhd}n| j j}|dkr�|d8 }x$d D ] }t| j |�s�q�|j|� q�W | j||||�}| j j
r�| j |�| _ n|| _ dS ) z)
Set graphics rendition.
r* r Nr r� r' r! r* r, r� )r' r! r* r, ) r� �set�
foregroundZforeground_numberZ
backgroundZbackground_number�getattrr1 r9 r^ rs �reverse_attrspec)rn rc r7 r5 r6 r8 r� r0 r0 r1 rb 7 s.
zTermCanvas.csi_set_attrc C st |dkrt dd�}dd� |jjd�D �}d|krL|rL|jd� dj|�|_n$d|krp| rp|jd� dj|�|_|S )zd
Put standout mode to the 'attrspec' given and remove it if 'undo' is
True.
Nr c S s g | ] }|j � �qS r0 )�strip)�.0r5 r0 r0 r1 �
<listcomp>c s z/TermCanvas.reverse_attrspec.<locals>.<listcomp>r0 r, )r
r; r� r� r3 r� )rn r� �undorc r0 r0 r1 r= \ s
zTermCanvas.reverse_attrspecc C sh xbt | j�D ]T}xNt | j�D ]@}| j| | }| j|d |d�}|f|dd� | j| |< q W q W dS )zP
Reverse video/scanmode (DECSCNM) by swapping fg and bg colors.
r )rA r* N)r r� r� r� r= )rn rA r� r� r� rc r0 r0 r1 rs l s
zTermCanvas.reverse_videoc C s� |r�|dkr|| j _q�|dkr(| j� q�|dkrT| j j|krJ| j| d� || j _q�|dkrr|| j _| jdd� q�|dkr�|| j _q�|dkr�|| j _| j� n4|dkr�|| j _n"|d kr�|| j _ n|d
kr�|| j _
d S ) zC
Helper method for csi_set_modes: set single mode.
r* r� r) )rA � r r+ r. r( � N) r^ rr r� rs rt r� ru rv rp r rq )rn rC �flagr� r` r0 r0 r1 �set_modev s.
zTermCanvas.set_modec C s( | }x |D ]}| j ||||� q W dS )zX
Set (DECSET/ECMA-48) or reset modes (DECRST/ECMA-48) if reset is True.
N)rE )rn r^ r� r` rD rC r0 r0 r1 r] � s
zTermCanvas.csi_set_modesr c C sx |dkr d}|dkr| j }|| k o.| j kn rt| jd|d dd�d | _| jd|d dd�d | _| jdd� dS )z�
Set scrolling region, 'top' is the line number of first line in the
scrolling region. 'bottom' is the line number of bottom line. If both
are set to 0, the whole screen will be used (default).
r r* T)r N)r� r� r� r� r� )rn �topZbottomr0 r0 r1 rh � s zTermCanvas.csi_set_scrollc C s. |dkr| j dd� n|dkr*| j dd� dS )zc
Clear tabstop at current position or if 'mode' is 3, delete all
tabstops.
r T)r� r� )r� N)r� )rn rC r0 r0 r1 r[ � s z TermCanvas.csi_clear_tabstopc C s |s| j jtd � dS )zz
Report device attributes (what are you?). In our case, we'll report
ourself as a VT102 terminal.
z[?6cN)r� r� r� )rn r� r0 r0 r1 rS � s z$TermCanvas.csi_get_device_attributesc C sP |dkr| j jtd � n2|dkrL| j\}}| j jtd|d |d f � dS )z�
Report various information about the terminal status.
Information is queried by 'mode', where possible values are:
5 -> device status report
6 -> cursor position report
r) z[0nrB z[%d;%dRr* N)r� r� r� rO )rn rC r� r� r0 r0 r1 re � s
z TermCanvas.csi_status_reportc C s` | j \}}|dkr,| j| j | jd |f� n0|dkrJ| jd|f||f� n|dkr\| j|� dS )z�
Erase current line, modes are:
0 -> erase from cursor to end of line.
1 -> erase from start of line to cursor.
2 -> erase whole line.
r r* r@ N)rO rN r� r )rn rC r� r� r0 r0 r1 rE � s
zTermCanvas.csi_erase_linec C sj |dkr&| j | j| jd | jd f� |dkrP| j d| jd d | jd f� n|dkrf| j| jd� dS )z�
Erase display, modes are:
0 -> erase from cursor to end of display.
1 -> erase from start to cursor.
2 -> erase the whole display.
r r* r@ )r� N)r r )rN rO r� r� r� )rn rC r0 r0 r1 rB � s "z TermCanvas.csi_erase_displayc C s* ddddd�}||kr&| j j|| � dS )a0
Set keyboard LEDs, modes are:
0 -> clear all LEDs
1 -> set scroll lock LED
2 -> set num lock LED
3 -> set caps lock LED
This currently just emits a signal, so it can be processed by another
widget or the main application.
r� Z scroll_lockZnum_lockZ caps_lock)r r* r@ r� N)r� �leds)rn rC Zstatesr0 r0 r1 rf � s z TermCanvas.csi_set_keyboard_ledsc s> � fdd�t � j�D �� _|dkr0� jdd� n
� j|� dS )z�
Clears the whole terminal screen and resets the cursor position
to (0, 0) or to the coordinates given by 'cursor'.
c s g | ] }� j � �qS r0 )r� )r? r� )rn r0 r1 r@
s z$TermCanvas.clear.<locals>.<listcomp>Nr )r r� r� r� )rn r� r0 )rn r1 r� s zTermCanvas.clearc C s | j S )N)r� )rn r0 r0 r1 r8 s zTermCanvas.colsc C s | j S )N)r� )rn r0 r0 r1 r6 s zTermCanvas.rowsc c s\ | j dkr"xL| jD ]
}|V qW n6| j| j }x(|| j| j | j � D ]
}|V qJW d S )Nr )r� r� r� r� )rn Z trim_leftZ
trim_rightr8 r6 Zattr_map�liner� r0 r0 r1 �content s
zTermCanvas.contentc C s" || kr| j � g| j� S | j� S )N)r8 r6 rI )rn �otherr0 r0 r1 �
content_delta$ s zTermCanvas.content_delta)NN)TFN)F)NFF)N)N)NN)F)F)FFF)N)F)F)r� )F)Nr* N)Nr* )Nr* )Nr* )F)F)F)r r )r )r )N)r r NNN)?ry rz r{ Z cacheablero r� r� r� r` r� r� r� r r� r� r� r� r� r� r� r� r� r� r� r� r r r� r� r r� r5 r r ri rk r r r� r r, rL rH rJ rN r9 rb r= rs rE r] rh r[ rS re rE rB rf r� r8 r6 rI rK r0 r0 r0 r1 r� � sz
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dd� Zdd� Zdd� Zdd� Zdd � Zd.d d �Zd d!� Zd"d#� Zd$d%� Zd/d'd(�Zd)d*� Zd+d,� ZdS )0�TerminalT�closedr rG �titleNc C s� | j j� |dkrd| _n|| _|dkr6ttj�| _n
t|�| _|dkr\| jjdd�g| _n|| _d| _ d| _
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|| _d| _d| _d| _d| _d| _d| _d| _dS )a@
A terminal emulator within a widget.
'command' is the command to execute inside the terminal, provided as a
list of the command followed by its arguments. 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.
Nzctrl a�SHELLz/bin/shF)Z_Terminal__superro �escape_sequence�dict�os�environ�envr� �command�keygrab�last_key�response_bufferrm r� � main_loop�master�pidr� r� r� � has_focus�
terminated)rn rU rT rY rP r0 r0 r1 ro / s,
zTerminal.__init__c C s� | j }d|d< tj� \| _| _| jdkr�t| j�rzz8y | j� W n& tjj t
j � � tjj � Y nX W d t
jd� X nt
j| jd | j|� | jd kr�tj| jtjt
j� tj| j� d S )N�linuxZTERMr )rT �pty�forkr[ rZ �callablerU �sys�stderr�write� traceback�
format_exc�flushrR �_exit�execvperY �fcntlZF_SETFL�
O_NONBLOCK�atexit�register� terminate)rn rT r0 r0 r1 �spawne s
zTerminal.spawnc C s� | j r
d S d| _ | j� | jd� | jdkr�| jdd� xrtjtjtjtj tj
fD ]V}y&t j | j|� t j
| jt j�\}}W n tk
r� P Y nX |dkr�P tjd� qRW yt j
| jd� W n tk
r� Y nX t j| j� d S )NTFr g�������?)r] � remove_watch� change_focusr[ � set_termsize�signal�SIGHUP�SIGCONT�SIGINT�SIGTERM�SIGKILLrR �kill�waitpid�WNOHANG�OSError�timeZsleep�closerZ )rn Zsigr[ Zstatusr0 r0 r1 rn } s,
zTerminal.terminatec C s | j d� d S )Nr )�_emit)rn r0 r0 r1 r � s z
Terminal.beepc C s | j d|� d S )NrG )r )rn Zwhichr0 r0 r1 rG � s z
Terminal.ledsc C s | j j|� dS )zF
Respond to the underlying application with 'string'.
N)rX r� )rn �stringr0 r0 r1 r� � s zTerminal.respondc C s. x"| j D ]}tj| j|jd�� qW g | _ d S )N�ascii)rX rR rd rZ r )rn r� r0 r0 r1 �flush_responses� s zTerminal.flush_responsesc C s( t jd||dd�}tj| jtj|� d S )NZHHHHr )�structZpackrj ZioctlrZ �termiosZ
TIOCSWINSZ)rn r� r� Zwinsizer0 r0 r1 rr � s zTerminal.set_termsizec C s~ d}| j d kr| j� d}| j|kr2| j|kr2d S | j||� | jsTt||| �| _n| jj||� || _|| _|rz| j� d S )NFT) r[ ro r� r� rr r� r� r� � add_watch)rn r� r� Zprocess_openedr0 r0 r1 �
touch_term� s
zTerminal.touch_termc C s | j d|� d S )NrN )r )rn rN r0 r0 r1 r� � s zTerminal.set_titlec C sP | j s| j|krdS || _|r>t� j� | _t� jdgd � nt� j| j� dS )z9
Ignore SIGINT if this widget has focus.
NZ undefinedr) )r] r\ r Ztty_signal_keysZold_tios)rn r\ r0 r0 r1 rq � s zTerminal.change_focusFc C s< | j s6| j|� |\}}| j||� | jd kr6| j� | jS )N)r] rq r� rY �feedr� )rn �sizeZfocusr� r� r0 r0 r1 �render� s
zTerminal.renderc C s$ | j d krd S | j j| j| j� d S )N)rY Z
watch_filerZ r� )rn r0 r0 r1 r� � s
zTerminal.add_watchc C s | j d krd S | j j| j� d S )N)rY Zremove_watch_filerZ )rn r0 r0 r1 rp � s
zTerminal.remove_watchc C s dS )NTr0 )rn r0 r0 r1 �
selectable� s zTerminal.selectable� �?c C sb xTyt j | jgg g |� P W q t jk
rP } z|jd dkr@� W Y d d }~X qX qW | j� d S )Nr r( )�selectrZ �error�argsr� )rn ZtimeoutrX r0 r0 r1 �
wait_and_feed� s zTerminal.wait_and_feedc C s� d}yt j| jd�}W nD tk
rZ } z(|jdkr8d}n|jtjkrHd S � W Y d d }~X nX |dkrz| j� | jd� d S | jj |� | j
� d S )N� i r) rM ) rR �readrZ r| �errnoZ EWOULDBLOCKrn r r� r� r� )rn r� rX r0 r0 r1 r� � s
z
Terminal.feedc C s� | j r
|S |dkr*|\}}| j||� d S | j| jkrN|| jkrN|| _d| _n�| jrp| j|krnd| _|| _d S n�|dkr�| jj� || _| j� d S |dkr�| jjdd� || _| j� d S | j| jkr�|| jkr�|| _|S | j|kr�d| _|| _d S | j| d k�s|dk�rd| _n
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window resizeTFzpage upz page down)r r )r` zctrl r* rP r3 r �
r� r� r� r� )r] r� rW rP rV r� r� Z _invalidateZ _command_mapr� �islowerr �ordr� rr �KEY_TRANSLATIONS_DECCKMr� �KEY_TRANSLATIONSrq r r rR rd rZ )rn r� �keyr� r� r0 r0 r1 �keypress sf
zTerminal.keypress)NNN)F)r� )ry rz r{ Z _selectable� frozensetr Z_sizingZsignalsro ro rn r rG r� r� rr r� r� rq r� r� rp r� r� r� r� r0 r0 r0 r1 rL ) s*
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__future__r r rR rb r} r r� r� r� rs rl re r_ rj r� � ImportErrorZurwidr Z urwid.escaper r Z urwid.canvasr Z urwid.widgetr r Zurwid.display_commonr
r r Z urwid.compatr
r r r r r r r� r� r� r� rw r� �objectrm r| r4 r� r� rL r0 r0 r0 r1 �<module> s� 9 A
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