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Re: Custom text fields not working with VoiceOver.
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Re: Custom text fields not working with VoiceOver.

  • Subject: Re: Custom text fields not working with VoiceOver.
  • From: Chris Fleizach <email@hidden>
  • Date: Tue, 26 Apr 2011 14:21:14 -0700
On Apr 26, 2011, at 8:06 AM, Dominic Mazzoni wrote:

> I spent a few hours playing with this and I'm still mystified. I
> captured all of the events Safari sends when typing into an edit box
> and modified Chrome to send the exact same events in the same order
> (AXLayoutComplete, AXSelectedTextChanged, AXValueChanged). I checked
> all of the attributes I could make sense of, including
> AXVisibleCharacterRange and anything else listed by Accessibility
> Inspector as a possible warning or error.
>

Where's the latest chrome that can test this?

Also what is the AXFocusedUIElement that the AXApplication returns? it should be the object that has focus. If not, you might have trouble.

> The only relevant-sounding attributes we're not implementing now are
> AXStartTextMarker, AXEndTextMarker, and AXSelectedTextMarkerRange. Is
> it possible to implement these without using wkCreateAXTextMarker
> (which appears to be a private API that we can't access)?
>

These are not used in text fields, so that should not matter.

> One other thing I'm noticing is that VoiceOver is not browsing
> Chrome's contents like it's web content. If I change the role of the
> main container from AXWebArea to something else, it behaves
> identically in VoiceOver. Most content other than editable text boxes
> is perfectly accessible, but it behaves as if the content was in a
> generic (non-web) app, where something like a list is hierarchical,
> rather than like in Safari, where by default a list is announced first
> and then browsed linearly.

What is the bundle identifier for chrome that's being used? Safari is treated specially. Chrome might need to be as well.

>
> Does Safari do anything else to tell VoiceOver that it's a web
> browser? Is this related to the problems with text fields?
>

It's unlikely that the two are related.

> - Dominic
>
> On Thu, Mar 31, 2011 at 10:10 PM, David Tseng <email@hidden> wrote:
>> Chrome's firing both events.
>>
>> As another possibility -- Chrome also implements NSTextInput and
>> performs some logic with the insertText method (to support different
>> input methods).  Does VoiceOver use any other api's to listen for key
>> presses to echo characters (besides selected text changed and value
>> changed)?
>>
>>
>>
>> On 3/31/11, Chris Fleizach <email@hidden> wrote:
>>> Are you sending NSAccessibilityValueChangedNotification
>>>
>>> and NSAccessibilitySelectedTextChangedNotification
>>>
>>>  notifications?
>>>
>>> I also see there's no kAXVisibleCharacterRange attribute.
>>>
>>> If that doesn't work, I'd look at what WebCore does, because they are doing
>>> the same thing, in AccessibilityObjectWrapper.mm
>>>
>>> On Mar 31, 2011, at 2:42 PM, David Tseng wrote:
>>>
>>>> Here's the log of me typing "asdf" into a search box (with an observer
>>>> set on all nodes in the hierarchy):
>>>>
>>>>
>>>> 2011-03-31 14:37:38.667 Shiner[65295:903] Observing 65271
>>>> 2011-03-31 14:37:41.258 Shiner[65295:903] Event:AXApplicationActivated
>>>> Element:<AXApplication: “Chromium”>
>>>>
>>>> Attributes:
>>>>   AXRole:  “AXApplication”
>>>>   AXRoleDescription:  “application”
>>>>   AXTitle:  “Chromium”
>>>>   AXChildren:  “<array of size 3>”
>>>>   AXMenuBar:  “<AXMenuBar>”
>>>>   AXWindows:  “<array of size 2>”
>>>>   AXFrontmost (W):  “1”
>>>>   AXHidden (W):  “0”
>>>>   AXMainWindow:  “<AXWindow: “Google”>”
>>>>   AXFocusedWindow:  “<AXWindow: “Google”>”
>>>>   AXFocusedUIElement:  “<AXTextField: “Google Search”>”
>>>>   AXEnhancedUserInterface (W):  “1”
>>>> 2011-03-31 14:37:43.353 Shiner[65295:903] Event:AXSelectedTextChanged
>>>> Element:<AXApplication: “Chromium”>
>>>> <AXWindow: “Google”>
>>>>  <AXSplitGroup>
>>>>   <AXSplitGroup>
>>>>    <AXScrollArea>
>>>>     <AXWebArea: “Google”>
>>>>      <AXGroup: “”>
>>>>       <AXGroup: “”>
>>>>        <AXTextField: “Google Search”>
>>>>
>>>> Attributes:
>>>>   AXChildren:  “<array of size 0>”
>>>>   AXDescription:  “”
>>>>   AXEnabled:  “1”
>>>>   AXFocused (W):  “1”
>>>>   AXHelp:  “Google Search”
>>>>   AXParent:  “<AXGroup: “”>”
>>>>   AXPosition:  “x=530 y=359”
>>>>   AXRole:  “AXTextField”
>>>>   AXRoleDescription:  “text field”
>>>>   AXSize:  “w=512 h=32”
>>>>   AXTitle:  “Google Search”
>>>>   AXTopLevelUIElement:  “<AXWindow: “Google”>”
>>>>   AXValue (W):  “a”
>>>>   AXWindow:  “<AXWindow: “Google”>”
>>>>   AXURL:  “”
>>>>   AXVisited:  “0”
>>>>   AXInsertionPointLineNumber:  “0”
>>>>   AXNumberOfCharacters:  “1”
>>>>   AXSelectedText:  “”
>>>>   AXSelectedTextRange:  “pos=1 len=0”
>>>>   AXVisibleCharacterRange:  “pos=0 len=1”
>>>>
>>>> Actions:
>>>>   AXShowMenu - show menu
>>>> 2011-03-31 14:37:43.358 Shiner[65295:903] Event:AXSelectedTextChanged
>>>> Element:<AXApplication: “Chromium”>
>>>> <AXWindow: “Google”>
>>>>  <AXSplitGroup>
>>>>   <AXSplitGroup>
>>>>    <AXScrollArea>
>>>>     <AXWebArea: “Google”>
>>>>      <AXGroup: “”>
>>>>       <AXGroup: “”>
>>>>        <AXTextField: “Google Search”>
>>>>
>>>> Attributes:
>>>>   AXChildren:  “<array of size 0>”
>>>>   AXDescription:  “”
>>>>   AXEnabled:  “1”
>>>>   AXFocused (W):  “1”
>>>>   AXHelp:  “Google Search”
>>>>   AXParent:  “<AXGroup: “”>”
>>>>   AXPosition:  “x=530 y=359”
>>>>   AXRole:  “AXTextField”
>>>>   AXRoleDescription:  “text field”
>>>>   AXSize:  “w=512 h=32”
>>>>   AXTitle:  “Google Search”
>>>>   AXTopLevelUIElement:  “<AXWindow: “Google”>”
>>>>   AXValue (W):  “a”
>>>>   AXWindow:  “<AXWindow: “Google”>”
>>>>   AXURL:  “”
>>>>   AXVisited:  “0”
>>>>   AXInsertionPointLineNumber:  “0”
>>>>   AXNumberOfCharacters:  “1”
>>>>   AXSelectedText:  “”
>>>>   AXSelectedTextRange:  “pos=1 len=0”
>>>>   AXVisibleCharacterRange:  “pos=0 len=1”
>>>>
>>>> Actions:
>>>>   AXShowMenu - show menu
>>>> 2011-03-31 14:37:43.363 Shiner[65295:903] Event:AXValueChanged
>>>> Element:<AXApplication: “Chromium”>
>>>> <AXWindow: “Google”>
>>>>  <AXSplitGroup>
>>>>   <AXSplitGroup>
>>>>    <AXScrollArea>
>>>>     <AXWebArea: “Google”>
>>>>      <AXGroup: “”>
>>>>       <AXGroup: “”>
>>>>        <AXTextField: “Google Search”>
>>>>
>>>> Attributes:
>>>>   AXChildren:  “<array of size 0>”
>>>>   AXDescription:  “”
>>>>   AXEnabled:  “1”
>>>>   AXFocused (W):  “1”
>>>>   AXHelp:  “Google Search”
>>>>   AXParent:  “<AXGroup: “”>”
>>>>   AXPosition:  “x=530 y=359”
>>>>   AXRole:  “AXTextField”
>>>>   AXRoleDescription:  “text field”
>>>>   AXSize:  “w=512 h=32”
>>>>   AXTitle:  “Google Search”
>>>>   AXTopLevelUIElement:  “<AXWindow: “Google”>”
>>>>   AXValue (W):  “a”
>>>>   AXWindow:  “<AXWindow: “Google”>”
>>>>   AXURL:  “”
>>>>   AXVisited:  “0”
>>>>   AXInsertionPointLineNumber:  “0”
>>>>   AXNumberOfCharacters:  “1”
>>>>   AXSelectedText:  “”
>>>>   AXSelectedTextRange:  “pos=1 len=0”
>>>>   AXVisibleCharacterRange:  “pos=0 len=1”
>>>>
>>>> Actions:
>>>>   AXShowMenu - show menu
>>>> 2011-03-31 14:37:43.368 Shiner[65295:903] Event:AXValueChanged
>>>> Element:<AXApplication: “Chromium”>
>>>> <AXWindow: “Google”>
>>>>  <AXSplitGroup>
>>>>   <AXSplitGroup>
>>>>    <AXScrollArea>
>>>>     <AXWebArea: “Google”>
>>>>      <AXGroup: “”>
>>>>       <AXGroup: “”>
>>>>        <AXTextField: “Google Search”>
>>>>
>>>> Attributes:
>>>>   AXChildren:  “<array of size 0>”
>>>>   AXDescription:  “”
>>>>   AXEnabled:  “1”
>>>>   AXFocused (W):  “1”
>>>>   AXHelp:  “Google Search”
>>>>   AXParent:  “<AXGroup: “”>”
>>>>   AXPosition:  “x=530 y=359”
>>>>   AXRole:  “AXTextField”
>>>>   AXRoleDescription:  “text field”
>>>>   AXSize:  “w=512 h=32”
>>>>   AXTitle:  “Google Search”
>>>>   AXTopLevelUIElement:  “<AXWindow: “Google”>”
>>>>   AXValue (W):  “a”
>>>>   AXWindow:  “<AXWindow: “Google”>”
>>>>   AXURL:  “”
>>>>   AXVisited:  “0”
>>>>   AXInsertionPointLineNumber:  “0”
>>>>   AXNumberOfCharacters:  “1”
>>>>   AXSelectedText:  “”
>>>>   AXSelectedTextRange:  “pos=1 len=0”
>>>>   AXVisibleCharacterRange:  “pos=0 len=1”
>>>>
>>>> Actions:
>>>>   AXShowMenu - show menu
>>>> 2011-03-31 14:37:43.833 Shiner[65295:903] Event:AXSelectedTextChanged
>>>> Element:<AXApplication: “Chromium”>
>>>> <AXWindow: “Google”>
>>>>  <AXSplitGroup>
>>>>   <AXSplitGroup>
>>>>    <AXScrollArea>
>>>>     <AXWebArea: “Google”>
>>>>      <AXGroup: “”>
>>>>       <AXGroup: “”>
>>>>        <AXTextField: “Google Search”>
>>>>
>>>> Attributes:
>>>>   AXChildren:  “<array of size 0>”
>>>>   AXDescription:  “”
>>>>   AXEnabled:  “1”
>>>>   AXFocused (W):  “1”
>>>>   AXHelp:  “Google Search”
>>>>   AXParent:  “<AXGroup: “”>”
>>>>   AXPosition:  “x=530 y=359”
>>>>   AXRole:  “AXTextField”
>>>>   AXRoleDescription:  “text field”
>>>>   AXSize:  “w=512 h=32”
>>>>   AXTitle:  “Google Search”
>>>>   AXTopLevelUIElement:  “<AXWindow: “Google”>”
>>>>   AXValue (W):  “as”
>>>>   AXWindow:  “<AXWindow: “Google”>”
>>>>   AXURL:  “”
>>>>   AXVisited:  “0”
>>>>   AXInsertionPointLineNumber:  “0”
>>>>   AXNumberOfCharacters:  “2”
>>>>   AXSelectedText:  “”
>>>>   AXSelectedTextRange:  “pos=2 len=0”
>>>>   AXVisibleCharacterRange:  “pos=0 len=2”
>>>>
>>>> Actions:
>>>>   AXShowMenu - show menu
>>>> 2011-03-31 14:37:43.839 Shiner[65295:903] Event:AXSelectedTextChanged
>>>> Element:<AXApplication: “Chromium”>
>>>> <AXWindow: “Google”>
>>>>  <AXSplitGroup>
>>>>   <AXSplitGroup>
>>>>    <AXScrollArea>
>>>>     <AXWebArea: “Google”>
>>>>      <AXGroup: “”>
>>>>       <AXGroup: “”>
>>>>        <AXTextField: “Google Search”>
>>>>
>>>> Attributes:
>>>>   AXChildren:  “<array of size 0>”
>>>>   AXDescription:  “”
>>>>   AXEnabled:  “1”
>>>>   AXFocused (W):  “1”
>>>>   AXHelp:  “Google Search”
>>>>   AXParent:  “<AXGroup: “”>”
>>>>   AXPosition:  “x=530 y=359”
>>>>   AXRole:  “AXTextField”
>>>>   AXRoleDescription:  “text field”
>>>>   AXSize:  “w=512 h=32”
>>>>   AXTitle:  “Google Search”
>>>>   AXTopLevelUIElement:  “<AXWindow: “Google”>”
>>>>   AXValue (W):  “as”
>>>>   AXWindow:  “<AXWindow: “Google”>”
>>>>   AXURL:  “”
>>>>   AXVisited:  “0”
>>>>   AXInsertionPointLineNumber:  “0”
>>>>   AXNumberOfCharacters:  “2”
>>>>   AXSelectedText:  “”
>>>>   AXSelectedTextRange:  “pos=2 len=0”
>>>>   AXVisibleCharacterRange:  “pos=0 len=2”
>>>>
>>>> Actions:
>>>>   AXShowMenu - show menu
>>>> 2011-03-31 14:37:43.845 Shiner[65295:903] Event:AXValueChanged
>>>> Element:<AXApplication: “Chromium”>
>>>> <AXWindow: “Google”>
>>>>  <AXSplitGroup>
>>>>   <AXSplitGroup>
>>>>    <AXScrollArea>
>>>>     <AXWebArea: “Google”>
>>>>      <AXGroup: “”>
>>>>       <AXGroup: “”>
>>>>        <AXTextField: “Google Search”>
>>>>
>>>> Attributes:
>>>>   AXChildren:  “<array of size 0>”
>>>>   AXDescription:  “”
>>>>   AXEnabled:  “1”
>>>>   AXFocused (W):  “1”
>>>>   AXHelp:  “Google Search”
>>>>   AXParent:  “<AXGroup: “”>”
>>>>   AXPosition:  “x=530 y=359”
>>>>   AXRole:  “AXTextField”
>>>>   AXRoleDescription:  “text field”
>>>>   AXSize:  “w=512 h=32”
>>>>   AXTitle:  “Google Search”
>>>>   AXTopLevelUIElement:  “<AXWindow: “Google”>”
>>>>   AXValue (W):  “as”
>>>>   AXWindow:  “<AXWindow: “Google”>”
>>>>   AXURL:  “”
>>>>   AXVisited:  “0”
>>>>   AXInsertionPointLineNumber:  “0”
>>>>   AXNumberOfCharacters:  “2”
>>>>   AXSelectedText:  “”
>>>>   AXSelectedTextRange:  “pos=2 len=0”
>>>>   AXVisibleCharacterRange:  “pos=0 len=2”
>>>>
>>>> Actions:
>>>>   AXShowMenu - show menu
>>>> 2011-03-31 14:37:43.850 Shiner[65295:903] Event:AXValueChanged
>>>> Element:<AXApplication: “Chromium”>
>>>> <AXWindow: “Google”>
>>>>  <AXSplitGroup>
>>>>   <AXSplitGroup>
>>>>    <AXScrollArea>
>>>>     <AXWebArea: “Google”>
>>>>      <AXGroup: “”>
>>>>       <AXGroup: “”>
>>>>        <AXTextField: “Google Search”>
>>>>
>>>> Attributes:
>>>>   AXChildren:  “<array of size 0>”
>>>>   AXDescription:  “”
>>>>   AXEnabled:  “1”
>>>>   AXFocused (W):  “1”
>>>>   AXHelp:  “Google Search”
>>>>   AXParent:  “<AXGroup: “”>”
>>>>   AXPosition:  “x=530 y=359”
>>>>   AXRole:  “AXTextField”
>>>>   AXRoleDescription:  “text field”
>>>>   AXSize:  “w=512 h=32”
>>>>   AXTitle:  “Google Search”
>>>>   AXTopLevelUIElement:  “<AXWindow: “Google”>”
>>>>   AXValue (W):  “as”
>>>>   AXWindow:  “<AXWindow: “Google”>”
>>>>   AXURL:  “”
>>>>   AXVisited:  “0”
>>>>   AXInsertionPointLineNumber:  “0”
>>>>   AXNumberOfCharacters:  “2”
>>>>   AXSelectedText:  “”
>>>>   AXSelectedTextRange:  “pos=2 len=0”
>>>>   AXVisibleCharacterRange:  “pos=0 len=2”
>>>>
>>>> Actions:
>>>>   AXShowMenu - show menu
>>>> 2011-03-31 14:37:44.249 Shiner[65295:903] Event:AXSelectedTextChanged
>>>> Element:<AXApplication: “Chromium”>
>>>> <AXWindow: “Google”>
>>>>  <AXSplitGroup>
>>>>   <AXSplitGroup>
>>>>    <AXScrollArea>
>>>>     <AXWebArea: “Google”>
>>>>      <AXGroup: “”>
>>>>       <AXGroup: “”>
>>>>        <AXTextField: “Google Search”>
>>>>
>>>> Attributes:
>>>>   AXChildren:  “<array of size 0>”
>>>>   AXDescription:  “”
>>>>   AXEnabled:  “1”
>>>>   AXFocused (W):  “1”
>>>>   AXHelp:  “Google Search”
>>>>   AXParent:  “<AXGroup: “”>”
>>>>   AXPosition:  “x=530 y=359”
>>>>   AXRole:  “AXTextField”
>>>>   AXRoleDescription:  “text field”
>>>>   AXSize:  “w=512 h=32”
>>>>   AXTitle:  “Google Search”
>>>>   AXTopLevelUIElement:  “<AXWindow: “Google”>”
>>>>   AXValue (W):  “asd”
>>>>   AXWindow:  “<AXWindow: “Google”>”
>>>>   AXURL:  “”
>>>>   AXVisited:  “0”
>>>>   AXInsertionPointLineNumber:  “0”
>>>>   AXNumberOfCharacters:  “3”
>>>>   AXSelectedText:  “”
>>>>   AXSelectedTextRange:  “pos=3 len=0”
>>>>   AXVisibleCharacterRange:  “pos=0 len=3”
>>>>
>>>> Actions:
>>>>   AXShowMenu - show menu
>>>> 2011-03-31 14:37:44.255 Shiner[65295:903] Event:AXSelectedTextChanged
>>>> Element:<AXApplication: “Chromium”>
>>>> <AXWindow: “Google”>
>>>>  <AXSplitGroup>
>>>>   <AXSplitGroup>
>>>>    <AXScrollArea>
>>>>     <AXWebArea: “Google”>
>>>>      <AXGroup: “”>
>>>>       <AXGroup: “”>
>>>>        <AXTextField: “Google Search”>
>>>>
>>>> Attributes:
>>>>   AXChildren:  “<array of size 0>”
>>>>   AXDescription:  “”
>>>>   AXEnabled:  “1”
>>>>   AXFocused (W):  “1”
>>>>   AXHelp:  “Google Search”
>>>>   AXParent:  “<AXGroup: “”>”
>>>>   AXPosition:  “x=530 y=359”
>>>>   AXRole:  “AXTextField”
>>>>   AXRoleDescription:  “text field”
>>>>   AXSize:  “w=512 h=32”
>>>>   AXTitle:  “Google Search”
>>>>   AXTopLevelUIElement:  “<AXWindow: “Google”>”
>>>>   AXValue (W):  “asd”
>>>>   AXWindow:  “<AXWindow: “Google”>”
>>>>   AXURL:  “”
>>>>   AXVisited:  “0”
>>>>   AXInsertionPointLineNumber:  “0”
>>>>   AXNumberOfCharacters:  “3”
>>>>   AXSelectedText:  “”
>>>>   AXSelectedTextRange:  “pos=3 len=0”
>>>>   AXVisibleCharacterRange:  “pos=0 len=3”
>>>>
>>>> Actions:
>>>>   AXShowMenu - show menu
>>>> 2011-03-31 14:37:44.259 Shiner[65295:903] Event:AXValueChanged
>>>> Element:<AXApplication: “Chromium”>
>>>> <AXWindow: “Google”>
>>>>  <AXSplitGroup>
>>>>   <AXSplitGroup>
>>>>    <AXScrollArea>
>>>>     <AXWebArea: “Google”>
>>>>      <AXGroup: “”>
>>>>       <AXGroup: “”>
>>>>        <AXTextField: “Google Search”>
>>>>
>>>> Attributes:
>>>>   AXChildren:  “<array of size 0>”
>>>>   AXDescription:  “”
>>>>   AXEnabled:  “1”
>>>>   AXFocused (W):  “1”
>>>>   AXHelp:  “Google Search”
>>>>   AXParent:  “<AXGroup: “”>”
>>>>   AXPosition:  “x=530 y=359”
>>>>   AXRole:  “AXTextField”
>>>>   AXRoleDescription:  “text field”
>>>>   AXSize:  “w=512 h=32”
>>>>   AXTitle:  “Google Search”
>>>>   AXTopLevelUIElement:  “<AXWindow: “Google”>”
>>>>   AXValue (W):  “asd”
>>>>   AXWindow:  “<AXWindow: “Google”>”
>>>>   AXURL:  “”
>>>>   AXVisited:  “0”
>>>>   AXInsertionPointLineNumber:  “0”
>>>>   AXNumberOfCharacters:  “3”
>>>>   AXSelectedText:  “”
>>>>   AXSelectedTextRange:  “pos=3 len=0”
>>>>   AXVisibleCharacterRange:  “pos=0 len=3”
>>>>
>>>> Actions:
>>>>   AXShowMenu - show menu
>>>> 2011-03-31 14:37:44.264 Shiner[65295:903] Event:AXValueChanged
>>>> Element:<AXApplication: “Chromium”>
>>>> <AXWindow: “Google”>
>>>>  <AXSplitGroup>
>>>>   <AXSplitGroup>
>>>>    <AXScrollArea>
>>>>     <AXWebArea: “Google”>
>>>>      <AXGroup: “”>
>>>>       <AXGroup: “”>
>>>>        <AXTextField: “Google Search”>
>>>>
>>>> Attributes:
>>>>   AXChildren:  “<array of size 0>”
>>>>   AXDescription:  “”
>>>>   AXEnabled:  “1”
>>>>   AXFocused (W):  “1”
>>>>   AXHelp:  “Google Search”
>>>>   AXParent:  “<AXGroup: “”>”
>>>>   AXPosition:  “x=530 y=359”
>>>>   AXRole:  “AXTextField”
>>>>   AXRoleDescription:  “text field”
>>>>   AXSize:  “w=512 h=32”
>>>>   AXTitle:  “Google Search”
>>>>   AXTopLevelUIElement:  “<AXWindow: “Google”>”
>>>>   AXValue (W):  “asd”
>>>>   AXWindow:  “<AXWindow: “Google”>”
>>>>   AXURL:  “”
>>>>   AXVisited:  “0”
>>>>   AXInsertionPointLineNumber:  “0”
>>>>   AXNumberOfCharacters:  “3”
>>>>   AXSelectedText:  “”
>>>>   AXSelectedTextRange:  “pos=3 len=0”
>>>>   AXVisibleCharacterRange:  “pos=0 len=3”
>>>>
>>>> Actions:
>>>>   AXShowMenu - show menu
>>>> 2011-03-31 14:37:44.715 Shiner[65295:903] Event:AXSelectedTextChanged
>>>> Element:<AXApplication: “Chromium”>
>>>> <AXWindow: “Google”>
>>>>  <AXSplitGroup>
>>>>   <AXSplitGroup>
>>>>    <AXScrollArea>
>>>>     <AXWebArea: “Google”>
>>>>      <AXGroup: “”>
>>>>       <AXGroup: “”>
>>>>        <AXTextField: “Google Search”>
>>>>
>>>> Attributes:
>>>>   AXChildren:  “<array of size 0>”
>>>>   AXDescription:  “”
>>>>   AXEnabled:  “1”
>>>>   AXFocused (W):  “1”
>>>>   AXHelp:  “Google Search”
>>>>   AXParent:  “<AXGroup: “”>”
>>>>   AXPosition:  “x=530 y=359”
>>>>   AXRole:  “AXTextField”
>>>>   AXRoleDescription:  “text field”
>>>>   AXSize:  “w=512 h=32”
>>>>   AXTitle:  “Google Search”
>>>>   AXTopLevelUIElement:  “<AXWindow: “Google”>”
>>>>   AXValue (W):  “asdf”
>>>>   AXWindow:  “<AXWindow: “Google”>”
>>>>   AXURL:  “”
>>>>   AXVisited:  “0”
>>>>   AXInsertionPointLineNumber:  “0”
>>>>   AXNumberOfCharacters:  “4”
>>>>   AXSelectedText:  “”
>>>>   AXSelectedTextRange:  “pos=4 len=0”
>>>>   AXVisibleCharacterRange:  “pos=0 len=4”
>>>>
>>>> Actions:
>>>>   AXShowMenu - show menu
>>>> 2011-03-31 14:37:44.720 Shiner[65295:903] Event:AXSelectedTextChanged
>>>> Element:<AXApplication: “Chromium”>
>>>> <AXWindow: “Google”>
>>>>  <AXSplitGroup>
>>>>   <AXSplitGroup>
>>>>    <AXScrollArea>
>>>>     <AXWebArea: “Google”>
>>>>      <AXGroup: “”>
>>>>       <AXGroup: “”>
>>>>        <AXTextField: “Google Search”>
>>>>
>>>> Attributes:
>>>>   AXChildren:  “<array of size 0>”
>>>>   AXDescription:  “”
>>>>   AXEnabled:  “1”
>>>>   AXFocused (W):  “1”
>>>>   AXHelp:  “Google Search”
>>>>   AXParent:  “<AXGroup: “”>”
>>>>   AXPosition:  “x=530 y=359”
>>>>   AXRole:  “AXTextField”
>>>>   AXRoleDescription:  “text field”
>>>>   AXSize:  “w=512 h=32”
>>>>   AXTitle:  “Google Search”
>>>>   AXTopLevelUIElement:  “<AXWindow: “Google”>”
>>>>   AXValue (W):  “asdf”
>>>>   AXWindow:  “<AXWindow: “Google”>”
>>>>   AXURL:  “”
>>>>   AXVisited:  “0”
>>>>   AXInsertionPointLineNumber:  “0”
>>>>   AXNumberOfCharacters:  “4”
>>>>   AXSelectedText:  “”
>>>>   AXSelectedTextRange:  “pos=4 len=0”
>>>>   AXVisibleCharacterRange:  “pos=0 len=4”
>>>>
>>>> Actions:
>>>>   AXShowMenu - show menu
>>>> 2011-03-31 14:37:44.725 Shiner[65295:903] Event:AXValueChanged
>>>> Element:<AXApplication: “Chromium”>
>>>> <AXWindow: “Google”>
>>>>  <AXSplitGroup>
>>>>   <AXSplitGroup>
>>>>    <AXScrollArea>
>>>>     <AXWebArea: “Google”>
>>>>      <AXGroup: “”>
>>>>       <AXGroup: “”>
>>>>        <AXTextField: “Google Search”>
>>>>
>>>> Attributes:
>>>>   AXChildren:  “<array of size 0>”
>>>>   AXDescription:  “”
>>>>   AXEnabled:  “1”
>>>>   AXFocused (W):  “1”
>>>>   AXHelp:  “Google Search”
>>>>   AXParent:  “<AXGroup: “”>”
>>>>   AXPosition:  “x=530 y=359”
>>>>   AXRole:  “AXTextField”
>>>>   AXRoleDescription:  “text field”
>>>>   AXSize:  “w=512 h=32”
>>>>   AXTitle:  “Google Search”
>>>>   AXTopLevelUIElement:  “<AXWindow: “Google”>”
>>>>   AXValue (W):  “asdf”
>>>>   AXWindow:  “<AXWindow: “Google”>”
>>>>   AXURL:  “”
>>>>   AXVisited:  “0”
>>>>   AXInsertionPointLineNumber:  “0”
>>>>   AXNumberOfCharacters:  “4”
>>>>   AXSelectedText:  “”
>>>>   AXSelectedTextRange:  “pos=4 len=0”
>>>>   AXVisibleCharacterRange:  “pos=0 len=4”
>>>>
>>>> Actions:
>>>>   AXShowMenu - show menu
>>>> 2011-03-31 14:37:44.732 Shiner[65295:903] Event:AXValueChanged
>>>> Element:<AXApplication: “Chromium”>
>>>> <AXWindow: “Google”>
>>>>  <AXSplitGroup>
>>>>   <AXSplitGroup>
>>>>    <AXScrollArea>
>>>>     <AXWebArea: “Google”>
>>>>      <AXGroup: “”>
>>>>       <AXGroup: “”>
>>>>        <AXTextField: “Google Search”>
>>>>
>>>> Attributes:
>>>>   AXChildren:  “<array of size 0>”
>>>>   AXDescription:  “”
>>>>   AXEnabled:  “1”
>>>>   AXFocused (W):  “1”
>>>>   AXHelp:  “Google Search”
>>>>   AXParent:  “<AXGroup: “”>”
>>>>   AXPosition:  “x=530 y=359”
>>>>   AXRole:  “AXTextField”
>>>>   AXRoleDescription:  “text field”
>>>>   AXSize:  “w=512 h=32”
>>>>   AXTitle:  “Google Search”
>>>>   AXTopLevelUIElement:  “<AXWindow: “Google”>”
>>>>   AXValue (W):  “asdf”
>>>>   AXWindow:  “<AXWindow: “Google”>”
>>>>   AXURL:  “”
>>>>   AXVisited:  “0”
>>>>   AXInsertionPointLineNumber:  “0”
>>>>   AXNumberOfCharacters:  “4”
>>>>   AXSelectedText:  “”
>>>>   AXSelectedTextRange:  “pos=4 len=0”
>>>>   AXVisibleCharacterRange:  “pos=0 len=4”
>>>>
>>>> Actions:
>>>>   AXShowMenu - show menu
>>>> 2011-03-31 14:37:47.074 Shiner[65295:903]
>>>> Event:AXApplicationDeactivated Element:<AXApplication: “Chromium”>
>>>>
>>>> Attributes:
>>>>   AXRole:  “AXApplication”
>>>>   AXRoleDescription:  “application”
>>>>   AXTitle:  “Chromium”
>>>>   AXChildren:  “<array of size 3>”
>>>>   AXMenuBar:  “<AXMenuBar>”
>>>>   AXWindows:  “<array of size 2>”
>>>>   AXFrontmost (W):  “0”
>>>>   AXHidden (W):  “0”
>>>>   AXMainWindow:  “<AXWindow: “Google”>”
>>>>   AXFocusedWindow:  “<AXWindow: “Google”>”
>>>>   AXFocusedUIElement:  “<AXTextField: “Google Search”>”
>>>>   AXEnhancedUserInterface (W):  “1”
>>>>
>>>>
>>>>
>>>> On 3/31/11, Chris Fleizach <email@hidden> wrote:
>>>>> It's likely one of the following values is wrong
>>>>>
>>>>>
>>>>> AXValue (W):  ""
>>>>> AXNumberOfCharacters:  "0"
>>>>>  AXSelectedText:  ""
>>>>>  AXSelectedTextRange:  "pos=0 len=0"
>>>>>  AXVisibleCharacterRange:  "pos=0 len=0"
>>>>>
>>>>> If you can also attach a tree output when there's text in the textfield
>>>>> and
>>>>> the cursor is at a specific location, it might help
>>>>>
>>>>> On Mar 31, 2011, at 1:56 PM, David Tseng wrote:
>>>>>
>>>>>> Hi list,
>>>>>>
>>>>>> I'm working on a custom text field and am running into an odd issue
>>>>>> when testing with VoiceOver.
>>>>>>
>>>>>> Firstly, for some background, this is part of the accessibility work
>>>>>> done for Chrome.
>>>>>> The text field is entirely custom; we're implementing the
>>>>>> NSAccessibility informal protocol.  I've pasted the output from
>>>>>> Accessibility Inspector below.  We're also firing SelectedTextChanged
>>>>>> and ValueChanged notifications appropriately as the typed text and
>>>>>> insertion position changes.
>>>>>>
>>>>>> The issue that we're running into is that VoiceOver reads only the
>>>>>> first typed character, but subsequent typed characters results in an
>>>>>> error tone.  If one tabs away and back to the text field, arrowing
>>>>>> left or right echos characters appropriately, but typing characters
>>>>>> results in VoiceOver echoing the already typed string (regardless of
>>>>>> what's typed).  It's as if VoiceOver hasn't requested the new value
>>>>>> attribute.  We're auto releasing the value when returning the
>>>>>> NSString.
>>>>>>
>>>>>>
>>>>>> Attributes:
>>>>>>  AXChildren:  "<array of size 0>"
>>>>>>  AXDescription:  ""
>>>>>>  AXEnabled:  "true"
>>>>>>  AXFocused (W):  "true"
>>>>>>  AXHelp:  ""
>>>>>>  AXParent:  "<AXGroup: "text field">"
>>>>>>  AXPosition:  "x=196 y=403"
>>>>>>  AXRole:  "AXTextField"
>>>>>>  AXRoleDescription:  "text field"
>>>>>>  AXSize:  "w=175 h=19"
>>>>>>  AXTitle:  ""
>>>>>>  AXTopLevelUIElement:  "<AXWindow: "Google Accounts">"
>>>>>>  AXValue (W):  ""
>>>>>>  AXWindow:  "<AXWindow: "Google Accounts">"
>>>>>>  AXURL:  ""
>>>>>>  AXVisited:  "false"
>>>>>>  AXInsertionPointLineNumber:  "0"
>>>>>>  AXNumberOfCharacters:  "0"
>>>>>>  AXSelectedText:  ""
>>>>>>  AXSelectedTextRange:  "pos=0 len=0"
>>>>>>  AXVisibleCharacterRange:  "pos=0 len=0"
>>>>>>
>>>>>> Actions:
>>>>>>  AXShowMenu - show menu
>>>>>>
>>>>>> Errors:
>>>>>>  AXStartTextMarker:  Missing
>>>>>>  AXEndTextMarker:  Missing
>>>>>>  AXBlockQuoteLevel:  Missing
>>>>>>  AXSelected:  Missing
>>>>>>  AXSelectedTextMarkerRange:  Missing
>>>>>>
>>>>>> Warnings:
>>>>>>  AXURL:  Unexpected extra attribute
>>>>>>  AXDescription or AXTitleUIElement:  Missing.
>>>>>>
>>>>>> Optional Attributes:
>>>>>>  AXLinkedUIElements
>>>>>>  AXValueDescription
>>>>>>  AXSearchButton
>>>>>>  AXPlaceholderValue
>>>>>>  AXTitleUIElement
>>>>>>  AXClearButton
>>>>>>  AXSelectedTextRanges
>>>>>>  AXSubrole
>>>>>> _______________________________________________
>>>>>> Do not post admin requests to the list. They will be ignored.
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>>>>>> Help/Unsubscribe/Update your Subscription:
>>>>>>
>>>>>> This email sent to email@hidden
>>>>>
>>>>>
>>>
>>>
>>  _______________________________________________
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 >Re: Custom text fields not working with VoiceOver. (From: Dominic Mazzoni <email@hidden>)

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