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canvas.cpython-310.pyc
o ��o_� � @ s` d dl mZmZ d dlZd dlmZmZmZmZm Z m Z m Z m Z d dl mZmZ d dlmZ G dd� de�ZG dd � d e�ZG d d � d e�ZG d d � d e�ZG dd� de�Ze� ZG dd� de�ZG dd� de�Zdd� Z dd� Z dd� Z dd� Z d7d d �Z d d � Z!d!d"� Z"d#d$� Z#d%d&� Z$d'd(� Z%d)d*� Z&d+d,� Z'd-d.� Z(d/d0� Z)d1d2� Z*d3d4� Z+d5d6� Z,dS )8� )�division�print_functionN)�rle_len�rle_append_modify�rle_join_modify� rle_product� calc_width� calc_text_pos�apply_target_encoding�trim_text_attr_cs)� trim_line� LayoutSegment)�bytesc @ sx e Zd ZdZi Zi Zi ZdZdZdZ dd� Z e e �Z dd� Z e e �Z dd� Z e e �Z d d � Ze e�Zd d � Ze e�Zd S )� CanvasCachea` Cache for rendered canvases. Automatically populated and accessed by Widget render() MetaClass magic, cleared by Widget._invalidate(). Stores weakrefs to the canvas objects, so an external class must maintain a reference for this cache to be effective. At present the Screen classes store the last topmost canvas after redrawing the screen, keeping the canvases from being garbage collected. _widgets[widget] = {(wcls, size, focus): weakref.ref(canvas), ...} _refs[weakref.ref(canvas)] = (widget, wcls, size, focus) _deps[widget} = [dependent_widget, ...] r c s� |j sdS |js J d��|j\}}}� fdd�� t|dd�}|du r+t|d�r+� |�}|rI|D ] }|| jvr9 dS q/|D ] }| j�|g ��|� q<t� || j �}||||f| j |< || j�|i �|||f< dS )z� Store a weakref to canvas in the cache. wcls -- widget class that contains render() function canvas -- rendered canvas with widget_info (widget, size, focus) Nz&Can't store canvas without widget_infoc sL g }| j D ] \}}}}|jr|�|jd � qt|d�r#|�� |�� q|S )za Collect all child widgets for determining who we depend on. r �children)r � widget_info�append�hasattr�extend)�canv�depends�x�y�c�pos�� walk_depends� �./usr/lib/python3/dist-packages/urwid/canvas.pyr C s �z'CanvasCache.store.<locals>.walk_depends� depends_onr ) � cacheabler �getattrr �_widgets�_deps� setdefaultr �weakref�ref�cleanup�_refs) �cls�wcls�canvas�widget�size�focusr �wr& r r r �store7 s$ � zCanvasCache.storec C sZ | j d7 _ | j�|d�}|sdS |�|||fd�}|s dS |� }|r+| jd7 _|S )z� Return the cached canvas or None. widget -- widget object requested wcls -- widget class that contains render() function size, focus -- render() parameters � N)�fetchesr" �get�hits)r) r, r* r- r. �sizesr& r r r r �fetchb s zCanvasCache.fetchc C s� z | j | �� D ]}z| j|= W q ty Y qw | j |= W n ty( Y nw || jvr0dS | j�|g �}z| j|= W n tyF Y nw |D ]}| �|� qIdS )z8 Remove all canvases cached for widget. N)r" �valuesr( �KeyErrorr# r3 � invalidate)r) r, r& � dependantsr/ r r r r9 x s, � � � �zCanvasCache.invalidatec C s� | j d7 _ | j�|d �}| j|= |sd S |\}}}}| j�|d �}|s'd S z||||f= W n ty8 Y nw |sQz | j|= | j|= W d S tyP Y d S w d S �Nr1 )�cleanupsr( r3 r" r8 r# )r) r& r/ r, r* r- r. r5 r r r r' � s, � ��zCanvasCache.cleanupc C s i | _ i | _i | _dS )z" Empty the cache. N)r" r( r# )r) r r r �clear� s zCanvasCache.clearN)�__name__� __module__� __qualname__�__doc__r" r( r# r4 r2 r< r0 � classmethodr6 r9 r' r= r r r r r s$ ) r c @ � e Zd ZdS )� CanvasErrorN�r> r? r@ r r r r rD � � rD c @ s� e Zd ZdZdZed�Zed�Zed�Zd$dd�Z d d � Z d d � Z e e �Z d%d d�Zdd� Ze ee�Ze ee�Ze ee�Z d&dd�Zdd� Zdd� Zdd� Zdd� Zd d � Ze ee�Zd d � Zd d!� Zd"d#� Z dS )'�Canvasz! base class for canvases TzdThis canvas has been finalized. Use CompositeCanvas to wrap this canvas if you need to make changes.zcThe old Canvas class is now called TextCanvas. Canvas is now the base class for all canvas classes.z�The internal representation of canvases is no longer stored as .text, .attr, and .cs lists, please see the TextCanvas class for the new representation of canvas content.Nc C s$ |dur| j �d| _i | _i | _dS )z� value1, value2, value3 -- if not None, raise a helpful error: the old Canvas class is now called TextCanvas. N)�_renamed_error� _widget_info�coords� shortcuts)�self�value1�value2�value3r r r �__init__� s zCanvas.__init__c C s | j r| j�|||f| _dS )a� Mark this canvas as finalized (should not be any future changes to its content). This is required before caching the canvas. This happens automatically after a widget's 'render call returns the canvas thanks to some metaclass magic. widget -- widget that rendered this canvas size -- size parameter passed to widget's render method focus -- focus parameter passed to widget's render method N)r �_finalized_errorrI )rL r, r- r. r r r �finalize� s zCanvas.finalizec C � | j S �N)rI �rL r r r �_get_widget_info� � zCanvas._get_widget_infoc C s | j �rT )�_old_repr_error)rL �valr r r �_raise_old_repr_error� rW z Canvas._raise_old_repr_errorc C s dd� | � � D �S )zg Return the text content of the canvas as a list of strings, one for each row. c S s" g | ] }t � �d d� |D ���qS )c S � g | ]\}}}|�qS r r )�.0�attr�cs�textr r r � <listcomp>� � z3Canvas._text_content.<locals>.<listcomp>.<listcomp>)r �join)r\ �rowr r r r` � s �z(Canvas._text_content.<locals>.<listcomp>)�contentrU r r r � _text_content� s �zCanvas._text_contentr c C � t � �rT ��NotImplementedError)rL � trim_left�trim_top�cols�rowsr] r r r rd � � zCanvas.contentc C rf rT rg rU r r r rk � rW z Canvas.colsc C rf rT rg rU r r r rl � rW z Canvas.rowsc C rf rT rg rU r r r � content_delta� rW zCanvas.content_deltac C s" | j �dd �}|s d S |d d� S )N�cursor� �rJ r3 �rL r r r r � get_cursor s zCanvas.get_cursorc C sP | j r | jr | j�|d u r z| jd= W d S ty Y d S w |d | jd< d S )Nro rT )r r rQ rJ r8 rr r r r � set_cursor s ��zCanvas.set_cursorc C s | j �dd �}|s d S |S )N�pop uprq rr r r r � get_pop_up s zCanvas.get_pop_upc C s, | j r | jr | j�|||||ff| jd< dS )a� This method adds pop-up information to the canvas. This information is intercepted by a PopUpTarget widget higher in the chain to display a pop-up at the given (left, top) position relative to the current canvas. :param w: widget to use for the pop-up :type w: widget :param left: x position for left edge of pop-up >= 0 :type left: int :param top: y position for top edge of pop-up >= 0 :type top: int :param overlay_width: width of overlay in screen columns > 0 :type overlay_width: int :param overlay_height: height of overlay in screen rows > 0 :type overlay_height: int ru N)r r rQ rJ )rL r/ �left�top� overlay_width�overlay_heightr r r � set_pop_up s �zCanvas.set_pop_upc C s8 i }| j �� D ]\}\}}}|| || |f||< q|S )z4 Return coords shifted by (dx, dy). )rJ �items)rL �dx�dy�d�namer r �datar r r �translate_coords/ s zCanvas.translate_coords)NNNrT �r r NNN) r> r? r@ rA r rD rQ rH rX rP rR rV �propertyr rZ re r_ r] r^ rd rk rl rn rs rt ro rv r{ r� r r r r rG � s6 � rG c @ sL e Zd ZdZ ddd�Zdd� Zdd � Zd d � Z dd d�Zdd� Z dS )� TextCanvasz8 class for storing rendered text and attributes NTc C s� t �| � |dkr g }|r-g }|D ]}t|�tkr tdt|���|�t|dt|��� qnt|�t ks5J �|gt|� }|du rI|rGt |�}nd}|dkrXdd� t t|��D �}|dkrgdd� t t|��D �}t t|��D ]s} || } | |kr�td|||f ��| |k r�|| t� � || � || < t|| �t || � } | dk r�td|| || f ��| r�t|| d| f� t|| �t || � } | dk r�td || || f ��| r�t|| d| f� qm|| _|| _|| _|| _|| _dS ) a[ text -- list of strings, one for each line attr -- list of run length encoded attributes for text cs -- list of run length encoded character set for text cursor -- (x,y) of cursor or None maxcol -- screen columns taken by this canvas check_width -- check and fix width of all lines in text NzBCanvas text must be plain strings encoded in the screen's encodingr c S � g | ]}g �qS r r �r\ r r r r r` ^ � z'TextCanvas.__init__.<locals>.<listcomp>c S r� r r r� r r r r` ` r� z8Canvas text is wider than the maxcol specified %r %r %rz$Attribute extends beyond text %r %rz(Character Set extends beyond text %r %r)rG rP �typer rD �reprr r �len�int�max�range�rjustr r �_attr�_csro �_text�_maxcol) rL r_ r] r^ ro �maxcol� check_width�widths�t�ir/ �a_gap�cs_gapr r r rP > sT � � zTextCanvas.__init__c C s t | j�}t|t�s J �|S )z)Return the number of rows in this canvas.)r� r� � isinstancer� )rL rl r r r rl { s zTextCanvas.rowsc C rS )z.Return the screen column width of this canvas.)r� rU r r r rk � rm zTextCanvas.colsc C s$ | j r| j \}}|| || fS dS )zb Return cursor coords shifted by (dx, dy), or None if there is no cursor. N)ro )rL r} r~ r r r r r �translated_coords� s z TextCanvas.translated_coordsr c c sx � | � � | �� }}|s|| }|s|| }|dkr ||k s J �|dkr*|| |ks,J �|dkr4||k s6J �|dkr@|| |ksBJ �|sH||k rdt| j||| � | j||| � | j||| � �}n t| j| j| j�}|D ]J\} } } |s{|| jk r�t| | | ||| �\} } } t| | �} d} g }| D ]"\\}}}|r�||v r�|| }|� ||| | | | � f� | |7 } q�|V qodS )z� Return the canvas content as a list of rows where each row is a list of (attr, cs, text) tuples. trim_left, trim_top, cols, rows may be set by CompositeCanvas when rendering a partially obscured canvas. r N) rk rl �zipr� r� r� r� r r r )rL ri rj rk rl �attr_mapr� �maxrow� text_attr_csr_ �a_row�cs_row�attr_csr� rc �ar^ �runr r r rd � sB � � � �zTextCanvas.contentc C �" || u r | � � g| �� S | �� S )z� Return the differences between other and this canvas. If other is the same object as self this will return no differences, otherwise this is the same as calling content(). �rk rl rd �rL �otherr r r rn � s zTextCanvas.content_delta)NNNNNTr� ) r> r? r@ rA rP rl rk r� rd rn r r r r r� : s �= � -r� c @ s8 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd S ) � BlankCanvaszv a canvas with nothing on it, only works as part of a composite canvas since it doesn't know its own size c C s t �| d � d S rT )rG rP rU r r r rP � s zBlankCanvas.__init__c c sF � d}|r d|v r |d }|dt � �|�fg}t|�D ]}|V qdS )zH return (cols, rows) of spaces with default attributes. N)r r� r� � rL ri rj rk rl r] �def_attr�liner� r r r rd � s � �zBlankCanvas.contentc C � t d���Nz&BlankCanvas doesn't know its own size!rg rU r r r rk � � zBlankCanvas.colsc C r� r� rg rU r r r rl � r� zBlankCanvas.rowsc C r� r� rg rU r r r rn � r� zBlankCanvas.content_deltaN) r> r? r@ rA rP rd rk rl rn r r r r r� � s r� c @ s> e Zd ZdZdd� Zdd� Zdd� Z dd d �Zd d � Zd S )� SolidCanvasz= A canvas filled completely with a single character. c C sl t �| � t|dt|�d�\}}|dksJ d| ��t|d |� �\| _}|d d | _||f| _d | _d S )Nr r1 zInvalid fill_char: %r) rG rP r r� r r� r� r- ro )rL � fill_charrk rl �end�colr^ r r r rP � s zSolidCanvas.__init__c C � | j d S )Nr �r- rU r r r rk � � zSolidCanvas.colsc C r� r; r� rU r r r rl � r� zSolidCanvas.rowsr Nc c sj � |d u r | j d }|d u r| j d }d }|r d |v r |d }|| j| j| fg}t|�D ]}|V q-d S )Nr r1 )r- r� r� r� r� r r r rd � s � �zSolidCanvas.contentc C r� )�G Return the differences between other and this canvas. r� r� r r r rn s zSolidCanvas.content_deltar� ) r> r? r@ rA rP rk rl rd rn r r r r r� � s � r� c @ s| e Zd ZdZd dd�Zdd� Zdd� Zd d � Zd d � Zd d d�Z dd� Z dd� Z dd� Z dd� Z dd� Zdd� Zdd � ZdS ) �CompositeCanvasz5 class for storing a combination of canvases Nc C s� t �| � |du rg | _g | _dS t|d�r|j| _n|�� dd|�� |�� d|fgfg| _dd|dfg| _| j�|j� |j D ]}d| j |< q@dS )z� canv -- a Canvas object to wrap this CompositeCanvas around. if canv is a CompositeCanvas, make a copy of its contents N�shardsr �wrap) rG rP r� r r rl rk rJ �updaterK )rL r �shortcutr r r rP s � � �zCompositeCanvas.__init__c C s` | j D ]\}}z t|t�sJ �W q ty t||��w tdd� | j D ��}t|t�s.J �|S )Nc S � g | ]\}}|�qS r r �r\ �r�cvr r r r` A � z(CompositeCanvas.rows.<locals>.<listcomp>)r� r� r� �AssertionError�sum)rL r� r� rl r r r rl ; s �zCompositeCanvas.rowsc C s8 | j sdS tdd� | j d d D ��}t|t�sJ �|S )Nr c S s g | ]}|d �qS )rp r )r\ r� r r r r` H r� z(CompositeCanvas.cols.<locals>.<listcomp>r1 )r� r� r� r� )rL rk r r r rk E s zCompositeCanvas.colsc c sF � g }| j D ]\}}t||�}t|�D ]}t|�V qt||�}qdS )zz Return the canvas content as a list of rows where each row is a list of (attr, cs, text) tuples. N)r� � shard_bodyr� �shard_body_row�shard_body_tail)rL � shard_tail�num_rows�cviews�sbodyr� r r r rd M s � �zCompositeCanvas.contentc c s� � t |d�s| �� D ]}|V q dS g }t| j|j�D ],\}}t||�}g }t|�D ]}t|�dks:t|d �tkr>t |�}|V q*t ||�}qdS )r� r� Nr1 r ) r rd � shards_deltar� r� r� r� r� r� r� r� )rL r� rc r� r� r� r� r� r r r rn ` s" � � �z CompositeCanvas.content_deltac C s� |dks J d| ��|| � � k sJ d|| � � f ��| jr | j�|r)t| j|�| _|dkr1g | _n |dur<t| j|�| _| �d| �| _dS )z�Trim lines from the top and/or bottom of canvas. top -- number of lines to remove from top count -- number of lines to keep, or None for all the rest r �invalid trim amount %d!� cannot trim %d lines from %d!N)rl r rQ �shards_trim_topr� �shards_trim_rowsr� rJ )rL rx �countr r r �trim| s �zCompositeCanvas.trimc C sZ |dks J d| ��|| � � ksJ d|| � � f ��| jr | j�t| j| � � | �| _dS )ziTrim lines from the bottom of the canvas. end -- number of lines to remove from the end r r� r� N)rl r rQ r� r� )rL r� r r r �trim_end� s �zCompositeCanvas.trim_endc C s� | j r| j�| j}|dk s|dk r)td| �}| �� | td| � }t|||�}| �� }|dks5|dkrk|d \}}|dkrKdd||dtfg| } n|dd� } |dkr`| �dd||dtf� || fg|dd� }| � |d�| _ || _dS )z� Pad or trim this canvas on the left and right values > 0 indicate screen columns to pad values < 0 indicate screen columns to trim r Nr1 ) r rQ r� r� rk �shards_trim_sidesrl � blank_canvasr r� rJ ) rL rw �rightr� ri rk rl �top_rows� top_cviews�new_top_cviewsr r r �pad_trim_left_right� s. �� � z#CompositeCanvas.pad_trim_left_rightc C s� | j r| j�| j}|dk s|dk r)td| �}| �� | td| � }| �||� | �� }|dkrH|dd||dtfgfg| j | _| �d|�| _ |dkrj|| ju rY| jdd� | _| j� |dd||dtfgf� dS dS )z@ Pad or trim this canvas on the top and bottom. r N) r rQ r� r� rl r� rk r� r� rJ r )rL rx �bottom� orig_shardsrj rl rk r r r �pad_trim_top_bottom� s, �� ��z#CompositeCanvas.pad_trim_top_bottomc C s^ | j r| j�|�� }|�� }| �� | | }| �� | | }|dks0J dt|�� |||f� ��|dksBJ dt|�� |||f� ��| j}g } | j} g } |rXt||�} t||�} |rdt| |�} t| |�} g } g } |dkrst| d|�g} |dkr�t| t d|| �|�g} | �� s�g }n|s�|r�t | |jg | �}n|j}| | | | _| j � |� ||�� dS )z Overlay other onto this canvas.r z,top canvas of overlay not the size expected!N)r rQ rk rl r� r� r� r� r� r� � shards_joinrJ r� r� )rL r� rw rx �width�heightr� r� r� � top_shards� side_shards� bottom_shards� left_shards� right_shards� middle_shardsr r r �overlay� sJ $$ ���zCompositeCanvas.overlayc C s | � d|i� dS )z� Apply attribute a to all areas of this canvas with default attribute currently set to None, leaving other attributes intact.N)�fill_attr_apply)rL r� r r r � fill_attr s zCompositeCanvas.fill_attrc s� | j r| j�g }| jD ]Q\}}g }|D ]A}|d du r.|�|dd� � f |dd� � qt� �}|�� fdd�|d �� D �� |�|dd� |f |dd� � q|�||f� q || _dS )z� Apply an attribute-mapping dictionary to the canvas. mapping -- dictionary of original-attribute:new-attribute items � N� c s g | ] \}}|� � ||�f�qS r )r3 )r\ �k�v��mappingr r r` % s �z3CompositeCanvas.fill_attr_apply.<locals>.<listcomp>)r rQ r� r �dictr� r| )rL r� r� r� �original_cviews� new_cviewsr� �combinedr r� r r� s. � � �� � z CompositeCanvas.fill_attr_applyc C s | j r| j�|| _dS )z� Explicitly specify the list of widgets that this canvas depends on. If any of these widgets change this canvas will have to be updated. N)r rQ r )rL � widget_listr r r � set_depends, s zCompositeCanvas.set_dependsrT )r> r? r@ rA rP rl rk rd rn r� r� r� r� r� r� r� r� r r r r r� s " "- r� c C sd g }| D ]+\}}}|r|� t|�� q|r(t|d �tkr(|d |d |d< q|�|d � q|S )zx Return one row, advancing the iterators in sbody. ** MODIFIES sbody by calling next() on its iterators ** ���rp )r �nextr� r� r )r� rc � done_rows� content_iter�cviewr r r r� 8 s r� c C s` g }d}d}|D ]%\}}}|dd� \}}|| 7 }||kr"||7 }q|� ||||f� d}q|S )z? Return a new shard tail that follows this shard body. r rp r� )r ) r� r� r� �col_gapr� r� r� rk rl r r r r� L s r� c c s� � t |�}d }}d }}| D ]@\}}|du r t|�\}}||k r/||7 }t|�\}}||k s!||kr=||fV ||7 }q|t||�fV ||7 }d}||7 }qdS )zX Yield shards1 with cviews that are the same as shards2 having canv = None. Nr )�iterr� �shard_cviews_delta) r� � other_shards�other_shards_iter�other_num_rows� other_cviews�done� other_doner� r� r r r r� ^ s( � � �r� c c s� � t |�}d}d }}| D ]_}|du rt|�}||k r)||d 7 }t|�}||k s||kr7|V ||d 7 }q |d |d u r[|dd� |dd� kr[|dd� d |dd� V n|V ||d 7 }d}||d 7 }q dS )z Nr rp r� rT � )r� r� )r� r �other_cviews_iter�other_cvrk � other_colsr� r r r r� v s, � � ( �r� Tc C s d}g }t | �}|D ]V\}}} } |rXzt|�} W n ty! Y n7w | dd� \} } }}}}||7 }||8 }|dk r>td��|rL|rL|�| | |||�}n|}|�d|| f� |s|�|| | f� q |D ]&} | dd� \} } }}}}|r|r|�| | |||�}n|}|�d|| f� qc|S )a^ Return a list of (done_rows, content_iter, cview) tuples for this shard and shard tail. If a canvas in cviews is None (eg. when unchanged from shard_cviews_delta()) or if create_iter is False then no iterator is created for content_iter. iter_default is the value used for content_iter when no iterator is created. r Nr z#cviews overflow gaps in shard_tail!)r� r� � StopIterationrD rd r )r� r� � create_iter� iter_defaultr� �body� cviews_iterr� r� r� � tail_cviewr� ri rj rk rl r� r �new_iterr r r r� � sD � ��� � �r� c C s� |dksJ �t | �}g }|D ]\}}||k r nt||d�}t||�}||8 }qtd��t||d�}t||�}g }|D ]\}} } |�d| t| || �f� q;|}|| dd� |D �fg} | �|� | S )z. Return shards with top rows removed. r Fz%tried to trim shards out of existencec S r[ r r )r\ r� r� r� r r r r` � ra z#shards_trim_top.<locals>.<listcomp>)r� r� r� rD r �cview_trim_topr ) r� rx � shard_iterr� r� r� r� � new_sbodyr� r� r� � new_shardsr r r r� � s. � � r� c C s� |dksJ |��g }d}| D ]E\}}||kr |S g }|D ]}|d | |kr2|� t||| �� q |� |� q || |krH|� || |f� n|� ||f� ||7 }q|S )z8 Return the topmost keep_rows rows from shards. r � )r �cview_trim_rows)r� � keep_rowsr r� r� r� r� r� r r r r� � s& �� r� c C s |dkr|dksJ ||f��g }g }|| }| D ]g\}}t ||d�}t||�}g } d} |D ]9\} } } | d }| | }| sD||ksD| |krG|} q-| |k rTt| || �} |} ||kr_t| || �} | �| � |} q-| sx|d \}}|| |f|d< q|�|| f� q|S )zL Return shards with starting from column left and cols total width. r Frp r� )r� r� �cview_trim_left�cview_trim_colsr )r� rw rk r� r r� r� r� r� r� r� r� r� r� �cv_cols�next_col� prev_num_rows� prev_cviewsr r r r� � s6 r� c C s� dd� | D �}dd� |D �}g } g }t dd� |D ��}g }|D ]\}}|r+|�|� |�|| df� q |}|�||f� z tt|��D ]} || d dkrPqEt|| �|| < qEW n tyd Y |S w q)zx Return the result of joining shard lists horizontally. All shards lists must have the same number of rows. c S � g | ]}t |��qS r )r� )r\ �slr r r r` $ r� z shards_join.<locals>.<listcomp>c S r r )r� )r\ r� r r r r` % r� Tc S r� r r r� r r r r` * r� Nr )�minr r r� r� r� r ) � shard_lists� shards_iters�shards_currentr r� r� � shards_nextrl r� r� r r r r� s0 � ��r� c C � | d d� |f | dd � S )Nr r� r )r� rl r r r r @ � r c C s0 | d || d | d | d | f| dd � S )Nr r1 rp r r� r �r� r� r r r r C s 0r c C s* | d | | d | d | f| dd � S )Nr r1 rp r r r% r r r r F s *r c C r# )Nrp r r )r� rk r r r r I r$ r c C s� dd� | D �}t � }g }g }d}d}d}|D ]9\}} } | r |}|�d||| f� |�|j� |j�|�d|�� |j�� D ]} | |j| < q=||� � 7 }|d7 }q|re|| g|d|� ||d d� }||_||_ |S )a| Stack canvases in l vertically and return resulting canvas. :param l: list of (canvas, position, focus) tuples: position a value that widget.set_focus will accept or None if not allowed focus True if this canvas is the one that would be in focus if the whole widget is in focus c S s g | ] \}}}t |�||f�qS r )r� )r\ r �p�fr r r r` [ s z!CanvasCombine.<locals>.<listcomp>r r1 N) r� r r r� rJ r� r� rK �keysrl r ) �l�clist�combined_canvasr� r rc � focus_index�nr r r. r� r r r � CanvasCombineO s0 �r. c C sT t |�}|�| ||� ||| dfdd|dfg|_i |_| j�� D ]}d|j|< q |S )zE Overlay canvas top_c onto bottom_c at position (left, top). Nr �fg)r� r� r rK r( )�top_c�bottom_crw rx �overlayed_canvasr� r r r � CanvasOverlayw s � r3 c C sN g }d}d}d}| D ]'\}}}}|� � } ||�� } |r |}| |kr$| }|�||| | f� |d7 }q g } g } t� } d}|D ]J\}}} } t|�}| rO|�d| � | |k r[|�d|| � | j�|�|d�� |j � � D ]}|| j |< qj| �|j � | �|d||f� ||�� 7 }q=|r�| | g| d|� | |d d� } t | �| _ | | _ | S )aG Join canvases in l horizontally. Return result. :param l: list of (canvas, position, focus, cols) tuples: position value that widget.set_focus will accept or None if not allowed focus True if this canvas is the one that would be in focus if the whole widget is in focus cols is the number of screen columns that this widget will require, if larger than the actual canvas.cols() value then this widget will be padded on the right. r r1 N)rl rk r r� r� r� rJ r� r� rK r( r� r� r )r) �l2� focus_itemr� r- r r r. rk rl � pad_rightr r � joined_canvasr� r� r r r � CanvasJoin� sH � r8 c s� g }g }g }G dd� d�}|�d�_ d�_��fdd�� |D ]�}t|�d|�}g } g �g } � ��fdd�} |D ]}} t| �} | jrat�| j| j� �\}}| �|� | | j| jt|�� t | |� q7| j r�t| j �\}}| �|� | | j| jt |�� t | |� q7| jr�| j r�| �t � �| j �� | | j| j| j � q7| �t � �| j �� ��d | j f� | �d | j f� q7|�t � �| �� |��� |�| � q t||||d�S ) Nc @ rC )z#apply_text_layout.<locals>.AttrWalkNrE r r r r �AttrWalk� rF r9 r c s | �j k r d�_d�_ g }�j |kr�t� ��jkr)|�d|t| �j � f� |S � �j \}}�j | | krF� jd7 _� j |7 _ q |�j | kr]|�||t| �j � f� |S |�|�j | t| �j � f� � jd7 _� j |7 _ �j |ks|S )z9Return an attribute list for the range of text specified.r Nr1 )�offr� r� r r� )� start_offs�end_offs�o�atr� )r] �awr r �arange� s. � � �z!apply_text_layout.<locals>.arangec s� | |kr� | |�\\}}t �||f� dS ||| kr.� | |�D ] \}}t �||f� q dS | }� | |�D ]5\}}|| |krIt �||f� dS �||| � }t|�\}}t|�}t �||f� ||7 }||8 }q5dS )zi Add attributes based on attributes between start_offs and end_offs. N)r r r ) r; r< �destwr> r� r= �tsegr^ �segw)r@ �linear_ r r � attrrange� s( �z$apply_text_layout.<locals>.attrrange)r� )r� r: r r r� r �offsr r r r_ r� �scr r� rb r� )r_ r] �lsr� r� r� r r9 � line_layoutr� �linecrE �seg�srB r^ r )r@ r] r? rD r_ r �apply_text_layout� sP � � rM )TN)-� __future__r r r% � urwid.utilr r r r r r r r �urwid.text_layoutr r � urwid.compatr �objectr � ExceptionrD rG r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r r r r. r3 r8 rM r r r r �<module> sF ( , % /#!!( 9
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