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ddlmZ dZG dd� d�ZG dd� d�ZG dd� d�ZG dd� de�ZG dd� de�ZG dd� de�ZG d d � d �ZG d d � d �ZdS ) z=Provides the default implementation for flat review for Orca.z$Id$z
$Revision$z$Date$zLCopyright (c) 2005-2008 Sun Microsystems Inc.Copyright (c) 2016 Igalia, S.L.�LGPL� N� )�braille)�debug)�eventsynthesizer)�messages)�
orca_state)�settingsu c @ s e Zd ZdZdd� ZdS )�Charz/A character's worth of presentable information.c C s> || _ || _|| _|d | _|| _|| _|| _|| _|| _dS )a Creates a new char.
Arguments:
- word: the Word instance this belongs to
- startOffset: the start offset with respect to the accessible
- string: the actual char
- x, y, width, height: the extents of this Char on the screen
r N) �word�index� startOffset� endOffset�string�x�y�width�height) �selfr r r
r r r r r � r �2/usr/lib/python3/dist-packages/orca/flat_review.py�__init__- s
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c s8 e Zd ZdZdd� Zdd� Z� fdd�Zdd � Z� ZS )
�Wordz;A single chunk (word or object) of presentable information.c C sT || _ || _|| _|| _t|�| _| jt|� | _|| _|| _|| _ || _
g | _ dS )aG Creates a new Word.
Arguments:
- zone: the Zone instance this belongs to
- index: the index of this Word in the Zone
- startOffset: the start offset with respect to the accessible
- string: the actual string
- x, y, width, height: the extents of this Word on the screen
N) �zoner r
r �len�lengthr r r r r �chars) r r r r
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Word.__init__c C s" d| j �dd�| j| j| jjf S )NzWORD: '%s' (%i-%i) %s�
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accessible�r r r r �__str__\ s ��z Word.__str__c s� |dkr
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j�}|�t| |||g|�R � � q*|S )Nr r )�super�__getattribute__r r r r r r$ � queryText� enumerater r
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)r �attr�extents�textr �i�char�start�� __class__r r r( c s
zWord.__getattribute__c C s6 | j | kr| j t| j� k rn dS || j S dS )z8Returns the char offset with respect to this word or -1.���)r
r r �r �offsetr r r �getRelativeOffsety s $
�zWord.getRelativeOffset) r r r r r r& r( r: �
__classcell__r r r5 r r B s r c sr e Zd ZdZe�dej�Zddd�Zdd� Z � fdd �Z
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dd� Zdd� Zdd� Z� ZS )�Zonez>Represents text that is a portion of a single horizontal line.z(\S+\s*)Nc C sL || _ d| _|| _t|�| _|| _|| _|| _|| _|p |� � | _
g | _ dS )a Creates a new Zone.
Arguments:
- accessible: the Accessible associated with this Zone
- string: the string being displayed for this Zone
- extents: x, y, width, height in screen coordinates
- role: Role to override accessible's role.
r N) r$ r
�_stringr r r r r r �getRole�role�_words)r r$ r r r r r r? r r r r � s
z
Zone.__init__c C s d| j �dd�| jf S )Nz
ZONE: '%s' %sr! r" )r= r# r$ r% r r r r& � s z Zone.__str__c s� |dvr
t � �|�S |dkr| jS | �� s| jS | j| j| j| jf}g }t t
� | j | j��D ]\}}|�
t| ||�� |�� g|�R � � q.|| _|S )� To ensure we update the content.��wordsr r )r' r( r= �_shouldFakeTextr@ r r r r r* �re�finditer�WORDS_REr. r r4 �group)r r/ r0 rC r2 r r5 r r r( � s &zZone.__getattribute__c C s6 t jt jt jt jt jt jt jt jg}| j |v rdS dS )z8Returns True if we should try to fake the text interfaceTF)
r, �
ROLE_LABEL� ROLE_MENU�ROLE_MENU_ITEM�ROLE_CHECK_MENU_ITEM�ROLE_RADIO_MENU_ITEM�
ROLE_PAGE_TAB�ROLE_PUSH_BUTTON�ROLE_TABLE_CELLr? )r � textRolesr r r rD � s �
zZone._shouldFakeText� c C s� | j dkr | jdkr |j| j ko|j|j kS S |j dkr8| jdkr8| j|j ko5| j| j kS S t| j| j |j|j �}t| j|j�}||krRdS | j| jd }|j|jd }t|| �|krldS dS )zAReturns True if this Zone is physically on the same line as zone.r F� T)r r r �min�max�abs)r r �
pixelDelta�
highestBottom� lowestTop�middle�
zoneMiddler r r �_extentsAreOnSameLine� s $$zZone._extentsAreOnSameLinec C sn t j| j|jfv r| j|jkS z| jj�� }|jj�� }W n Y nt j||fv r2| jj|jjkS | �|�S )zAReturns True if we treat this Zone and zone as being on one line.)r, �ROLE_SCROLL_BARr? r$ �parentr> �
ROLE_MENU_BARr\ )r r �thisParentRole�zoneParentRoler r r �
onSameLine� s
zZone.onSameLinec C s� d| }t �t j|d� | jD ] }d| }t �t j|d� |�|�}|dkr,||f S q| j|kr?| jr?| jd }||jfS dS )Nz,FLAT REVIEW: Searching for word at offset %iTzFLAT REVIEW: Checking %sr r7 �Nr7 )r �println�
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charOffset�msgr r9 �lastWordr r r �getWordAtOffset� s
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zZone.getWordAtOffsetc C � dS )�-Returns True if this Zone contains the caret.Fr r% r r r �hasCaret� � z
Zone.hasCaretc C rj �z4Returns the Word and relative offset with the caret.rc r r% r r r �
wordWithCaret rm zZone.wordWithCaret�N)rR )r r r r rE �compile�UNICODErG r r& r( rD r\ rb ri rl ro r; r r r5 r r< � s
r< c s> e Zd ZdZd � fdd� Z� fdd�Zdd� Zd d
� Z� ZS ) �TextZonez5A Zone whose purpose is to display text of an object.Nc s> t � �|||||||� || _| jt|� | _| j�� | _d S rp )r' r r
r r r$ r) �_itext) r r$ r
r r r r r r? r5 r r r s zTextZone.__init__c s� |dvr
t � �|�S � j�� j� j�}g }tt�� j |��D ]*\}}t
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�r r% r r �<lambda> s
z+TextZone.__getattribute__.<locals>.<lambda>)r' r( rt �getTextr
r r* rE rF rG �map�spanr+ r, r- r. r rH r= r@ ) r r/ r rC r2 r r4 �endr0 r5 r% r r( s " zTextZone.__getattribute__c C s2 | j j}| j| kr| jk rdS | j| j jkS )rk T)rt � caretOffsetr
r �characterCountr8 r r r rl $ s
�zTextZone.hasCaretc C s | � � sdS | �| jj�S rn )rl ri rt r| r% r r r ro - s zTextZone.wordWithCaretrp ) r r r r r r( rl ro r; r r r5 r rs s rs c �. e Zd ZdZd� fdd� Z� fdd�Z� ZS )� StateZonez:A Zone whose purpose is to display the state of an object.Nc � t � �|d|||||� d S �N� �r' r �r r$ r r r r r? r5 r r r 9 � zStateZone.__init__c sP |dvr
t � �|�S |dkrtjj}ntjj}|j| j| jd�}|r&|d S dS )z To ensure we update the state.�r �
brailleStringr )r? r r� ) r' r( r � activeScript�speechGenerator�brailleGenerator�getStateIndicatorr$ r? )r r/ � generator�resultr5 r r r( < s
zStateZone.__getattribute__rp �r r r r r r( r; r r r5 r r 6 � r c r~ )� ValueZonez:A Zone whose purpose is to display the value of an object.Nc r� r� r� r� r5 r r r Q r� zValueZone.__init__c sf |dvr
t � �|�S |dkrtjj}ntjj}d}|�| j�}|�| j�}|r1|r1d||d f }|S )z To ensure we update the value.r� r r� z%s %sr ) r' r( r r� r� r� �getLocalizedRoleNamer$ �getValue)r r/ r� r� �rolename�valuer5 r r r( T s
zValueZone.__getattribute__rp r� r r r5 r r� N r� r� c s0 e Zd ZdZdd� Z� fdd�Zdd� Z� ZS )�LinezAA Line is a single line across a window and is composed of Zones.c C s || _ || _d| _dS )z�Creates a new Line, which is a horizontal region of text.
Arguments:
- index: the index of this Line in the window
- zones: the Zones that make up this line
N)r �zones�brailleRegions)r r r� r r r r n s
z
Line.__init__c s� |dkrd� dd� | jD ��S |dkr tdd� | jD ��S |dkr+tdd� | jD ��S |d kr9td
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Nr � c S � g | ]}|j �qS r )r ��.0r r r r �
<listcomp>} � z)Line.__getattribute__.<locals>.<listcomp>r c S r� r rv r� r r r r� � r� r c S r� r �r r� r r r r� � r� r c S r� r )r r� r r r r� � r� r c S r� r )r r� r r r r� � r� )�joinr� rT �sumrU r' r( )r r/ r5 r r r( { s zLine.__getattribute__c C sH g | _ d}| jD ]o}t|t�r6|j�� tjtjtj fv s*|j�� tj
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isinstancers r$ r> r, � ROLE_TEXT�ROLE_PASSWORD_TEXT�
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ReviewTextr r
r� �ReviewComponentr �Region�
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zLine.getBrailleRegions)r r r r r r( r� r; r r r5 r r� k s
r� c @ s e Zd ZdZdZdZdZdZdZdZ dZ
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d� Zdd� Zdd� Zdd� Zd7dd�Zdd� Zefdd�Zd d � Zd d � Zd d!� Zd8d"d#�Zd$d%� Zd&d'� Z d(d)� Z efd*d+�Z efd,d-�Z ee d.fd/d0�Z ee d.fd1d2�Z!ee fd3d4�Z"ee fd5d6�Z#dS )9�ContextzBContains the flat review regions for the current top-level object.r r rS � � c
s� || _ g | _g | _d| _d| _d| _d| _d| _d| _d| _ t
j | _ |j
�| j �| _d| _z| j�� }|�tj�| _W n d| j }t�tj|d� Y tjg� � fdd�}t�| j |�}|sh|| j �rh| j }|pl| j| _ | �| j �\| _| _| �| j�| _| jr�| js�dS t | j�D ]'\}}| j|jv r�|| _|j� | j�| _| j� � \}} |r�|j | _| | _ nq�d| j| j| j| jf }t�tj|d� dS ) z Create a new Context for script.r N)r r r r z&ERROR: Exception getting extents of %sTc s | o| � � � v S rp )r> rv ��containerRolesr r rw � s z"Context.__init__.<locals>.<lambda>z2FLAT REVIEW: On line %i, zone %i, word %i, char %i) �scriptr� �lines� lineIndex� zoneIndex� wordIndex� charIndex�targetCharInfo� focusZone� containerr � locusOfFocus�focusObj� utilities�topLevelObject�topLevel�bounds�queryComponent�
getExtentsr, r- r rd re rJ � findAncestor�getShowingZones�clusterZonesByLiner* r ro )
r r� � componentrg � isContainerr� r2 �liner r9 r r� r r � sV
� �zContext.__init__c s� g }dd� t �d|�D �}tt� fdd�|��}|D ],\}}} |�� �||tj�}
| jj �
|
|�rF| jj � |
|�} |� t
||| g| �R � � q|S )a. Traverses the string, splitting it up into separate zones if the
string contains the EMBEDDED_OBJECT_CHARACTER, which is used by apps
such as Firefox to handle containment of things such as links in
paragraphs.
Arguments:
- accessible: the accessible
- string: a substring from the accessible's text specialization
- startOffset: the starting character offset of the string
- cliprect: the extents that the Zones must fit inside.
Returns a list of Zones for the visible text.
c S s$ g | ]}g |� � �|�d ��R �qS )r )rz rH )r� �mr r r r� s $ z.Context.splitTextIntoZones.<locals>.<listcomp>z
[^\ufffc]+c s | d � | d � | d fS )Nr r rS r rv ru r r rw s z,Context.splitTextIntoZones.<locals>.<lambda>)rE rF �listry r) r+ r, r- r� r� �containsRegion� intersectionr. rs ) r r$ r r
�cliprectr� �
substringsr4 r{ � substringr0 �clippingr ru r �splitTextIntoZones
s �zContext.splitTextIntoZonesc C s� z|� � }W n ty g Y S w g }|}|t||j�k rC|�|tj�}|d r2||vr2|�|� t|d |d �}|t||j�k s |S )Nr rS r ) r) �NotImplementedErrorrT r} �getTextAtOffsetr, �TEXT_BOUNDARY_LINE_STARTr. rU )r r$ r
r r1 r� r9 r� r r r � _getLines' s �
�zContext._getLinesc C s� | j j�|�s g S g }|�� }dt�|�v r4|�� �tj�r4|� � �
d�}t |d|� dd�g|�R � gS d}d}|j
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} d } }
d }}d}||
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||
ksSd}|j|j }|| kr�| }|�| | d d�\}}}}|}||kr�| } n| }
t| |
d �|
} || ks�d|| | f }t�tj|d� | �|| | �}dt|�|f }t�tj|d� |D ]\}}}|�| �||||�� q�|S ) a Gets a list of Zones from an object that implements the
AccessibleText specialization.
Arguments:
- accessible: the accessible
- cliprect: the extents that the Zones must fit inside.
Returns a list of Zones.
� EditableTextr r7 rS r z/FLAT REVIEW: Getting lines for %s offsets %i-%iTz"FLAT REVIEW: %i lines found for %s)r� r� �hasPresentableTextr) r, �listInterfaces�getState�contains�STATE_SINGLE_LINEr� r� rs rx r} �intr+ r r r rd re r� r �extendr� )r r$ r� r� r1 r0 r9 �
lastEndOffset�upperMax�lowerMax�upperMid�lowerMid�upperMin�lowerMin�upperY�lowerY�oldMidr r r r �limitrg r� r r
r r r r �getZonesFromText9 sd �
�
�
�� zContext.getZonesFromTextc C sD |j |jd|jg}|�� }|tjkr't|g|�R d|i�}|r%|�d|� dS |tjkr6| j j
� |�r6tj }|tj tj
tjtjfvrDdS d}d}t|�dkr�t|d t�r�|d }|j |j } |j |j |j |j }
| dk}|rv| |d< n |j |j |d< |
|d< t|g|�R d|i�}|r�|r�|�d|� dS |�|� dS dS )z�If the accessible presents non-textual state, such as a
checkbox or radio button, insert a StateZone representing
that state.r r? r NT� rS )r r r r> r, �ROLE_TOGGLE_BUTTONr �insertrP r� r� �hasMeaningfulToggleAction�ROLE_CHECK_BOXrL �ROLE_RADIO_BUTTONrM r r� rs r r. ) r r� r$ r0 �indicatorExtentsr? r � stateOnLeft�textZone�textToLeftEdge�textToRightEdger r r �_insertStateZone� sD
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�zContext._insertStateZonec
C s� z |� � }|�tj�}W n g Y S z|�� }W n g Y S | �||�}|s@|tjtjtjfv r@|� t
|g|�R � � n6|svd}tj g}||vrU| j j
j|dd�}tjtjg} |sh|| vrh| j j
�|�}|rv|� t||g|�R � � | �|||� |S )z1Returns a list of Zones for the given accessible.r� T)� inFlatReview)r� r� r, r- r> r� r] � ROLE_SLIDER�ROLE_PROGRESS_BARr. r� �ROLE_TABLE_ROWr� r� �getNamerP rI � getRoleNamer< r� )
r r$ r� r� r0 r? r� r � redundant�uselessr r r �getZonesFromAccessible� s6
� z Context.getZonesFromAccessiblec s, |r� sdS |� kr dS t �|� fdd��S )NFTc s | � kS rp r rv �r^ r r rw � � z#Context._isOrIsIn.<locals>.<lambda>)r, r� )r �childr^ r r r � _isOrIsIn� s
zContext._isOrIsInNc
C s� |du r| j }| jj�||�}dt|�|f }t�tj|d� g d}}|D ]>}| �||�}|s?| jj� |�} | r?| �| |�}|sBq&|�
|� |sd|rd| j rd| � || j �rdt
tdd� |��p_|}|d }q&dt|�|f }t�tj|d� ||fS )zGReturns an unsorted list of all the zones under root and the focusZone.Nz.FLAT REVIEW: %i on-screen objects found for %sTc S s | � � S rp )rl ��zr r r rw � r z)Context.getShowingZones.<locals>.<lambda>r z"FLAT REVIEW: %i zones found for %s)r� r� r� �getOnScreenObjectsr r rd re r �realActiveDescendantr� r� r r� �filter)
r �root� boundingbox�objsrg �allZonesr� �or� �
descendantr r r r� � s,
�zContext.getShowingZonesc C s� |sg S g }t |dd� d�}|�d�g}|D ] }|�|d �r%|�|� q|�t |dd� d�� |g}q|rA|�t |dd� d�� g }t|�D ] \}}|�t||�� t|�D ] \} }|| |_| |_qWqGdt|� }
t �
t j |
d � |S )
z?Returns a sorted list of Line clusters containing sorted Zones.c S � | j S rp r� r r r r rw � z,Context.clusterZonesByLine.<locals>.<lambda>)�keyr r7 c S r rp rv r r r r rw r c S r rp rv r r r r rw r z*FLAT REVIEW: Zones clustered into %i linesT) �sorted�poprb r. r* r� r� r r r rd re ) r r� � lineClusters� sortedZones�
newClusterr r� r� � lineClusterr� rg r r r r� � s,
� zContext.clusterZonesByLinec C s~ | � � }|sdS |}|tjkr|j}n |jr3|j| j }|tjkr3|jr3z|j| j }W n Y dS |j |j
|j |j |j
fS )z;Returns the current string, offset, and extent information.)Nr7 r7 r7 r7 )�_getCurrentZoner� �LINEr� rC r� �CHARr r� r r r r r )r �flatReviewTyper �currentr r r �
getCurrent s
zContext.getCurrentc C s* || _ || _|| _|| _| �tj�| _dS )a= Sets the current character of interest.
Arguments:
- lineIndex: index into lines
- zoneIndex: index into lines[lineIndex].zones
- wordIndex: index into lines[lineIndex].zones[zoneIndex].words
- charIndex: index lines[lineIndex].zones[zoneIndex].words[wordIndex].chars
N)r� r� r� r� r" r� r r� )r r� r� r� r� r r r �
setCurrent/ s
zContext.setCurrentc C sl | � tj�\}}}}}|dk r|dk s|dkr |dkr dS tt|||d d ��}t||d �}||fS )Nr )r7 r7 rS r )r" r� r r� rU )r r r r r r r r r �_getClickPoint? s zContext._getClickPointc C s, | � � \}}|dk s|dk rdS t�||�S )z3Routes the mouse pointer to the current accessible.r F)r$ r � routeToPoint)r r r r r r �routeToCurrentJ s zContext.routeToCurrentc C sF | � � \}}|dkr|dkrt�|||�rdS t�| �� |�r!dS dS )z1Performs a mouse click on the current accessible.r TF)r$ r �
clickPoint� clickObject�getCurrentAccessible)r �buttonr r r r r � clickCurrentS s zContext.clickCurrentc C sj | j rd| j krt| j �k sd S d S | j | j }|r-d| j kr,t|j�k s/d S d S |j| j S )Nr )r� r� r r� r� )r r� r r r r _ s � � zContext._getCurrentZonec C s | � � }|sdS |jS )z Returns the current accessible.N)r r$ )r r r r r r) i s z Context.getCurrentAccessiblec C s� | j r
| j | j jsddgS d}| j | j }|�� }|jD ]F}|j| jkrc|j}d|_|jrR| j|jd j |j 7 _t
d| j �D ]}| jt |j| j
�7 _qB| j| j7 _|�� ||gS q ||gS )zbGets the braille for the entire current line.
Returns [regions, regionWithFocus]
Nr )r� r� r� r� r r� r� � cursorOffsetrC r
�ranger� r r r� �repositionCursor)r �regionWithFocusr� �regionsr r� r r r �getCurrentBrailleRegionsr s. �
�� z Context.getCurrentBrailleRegionsc C s� |t jks
|t jkr| j}n|t jkrd}ntd| ��|t jkr%| j}nd}d}d}| j|kp>| j|kp>| j|kp>| j|k}|rT|| _|| _|| _|| _| � t j
�| _ |S )z�Moves this context's locus of interest to the first char
of the first relevant zone.
Arguments:
- flatReviewType: one of ZONE, LINE or WINDOW
Returns True if the locus of interest actually changed.
r �Invalid type: %d) r� r �ZONEr� �WINDOW� Exceptionr� r� r� r" r r� )r r r� r� r� r� �movedr r r �goBegin� s0
���zContext.goBeginc C s |t jks
|t jkr| j}n|t jkrt| j�d }ntd| ��|t jkr*| j}n
t| j| j �d }| j| j | }|j
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�d }|j
| j }|rUt|�d }nd}nd}d}| j|kpo| j|kpo| j |kpo| j
|k}|r�|| _|| _|| _ || _
| �t j�| _|S )z�Moves this context's locus of interest to the last char
of the last relevant zone.
Arguments:
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