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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: Travis Siegel <email@hidden>
  • Date: Fri, 29 Apr 2011 09:52:37 -0500
I find it hard to believe that html content is a speial deal only to safari. I've had plenty of other programs (including apple's minibrowser) treat their html areas exactly the same as safari's html areas, and that includes lists, and the like.
Maybe you want to take a look at the minibrowser code, and see how it sets up it's html viewing area.
For what it's worth, shiira works this way too, so it's definitely not special to safari.


On Apr 26, 2011, at 4:21 PM, Chris Fleizach wrote:


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
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References: 


 >Re: Custom text fields not working with VoiceOver. (From: Chris Fleizach <email@hidden>)


 >Re: Custom text fields not working with VoiceOver. (From: Dominic Mazzoni <email@hidden>)


 >Re: Custom text fields not working with VoiceOver. (From: Chris Fleizach <email@hidden>)






    

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