Accessibility Improvements

[rpc5102]

function	widget	accessible	issue
actionButton	Action Button	✓
checkboxGroupInput	A group of check boxes	-	rstudio/shiny#2779
checkboxInput	A single check box	✓
dateInput	A calendar to aid date selection	✓
dateRangeInput	A pair of calendars for selecting a date range	-
fileInput	A file upload control wizard	✓
helpText	Help text that can be added to an input form	✓
numericInput	A field to enter numbers	✓
radioButtons	A set of radio buttons	✓
selectInput	A box with choices to select from	-	rstudio/shiny#3018
sliderInput	A slider bar	✘	rstudio/shiny#2845
submitButton	A submit button	✓
textInput	A field to enter text	✓
radioGroupButtons	a group of buttons that act like radio buttons	✓

See also:

• RStudio/Shiny (Tag: Accessibility)

[rpc5102]

Addressing issues with macOS Firefox:
https://stackoverflow.com/questions/3846868/why-wont-tabindex-work-with-firefox

FYI, the current path in more recent versions of OS X is Apple > System Preferences > Keyboard > Shortcuts > Accessibility > All Controls (at the bottom of the pane)

[neilhatfield]

The apple shortcut might not be valid in Catalina. There is no All Controls option; there is a Show Accessibility Controls. Is that the same? (It is already check on my computer).

[neilhatfield]

@rpc5102 I added radioGroupButtons to the list as that is another input control we use. I'm unsure what the status is on it.

[rpc5102]

@rpc5102 I added radioGroupButtons to the list as that is another input control we use. I'm unsure what the status is on it.

Updated with linked thread.

[rpc5102]

The apple shortcut might not be valid in Catalina. There is no All Controls option; there is a Show Accessibility Controls. Is that the same? (It is already check on my computer).

@neilhatfield Try this, it looks like it moved in Catalina: https://support.apple.com/en-us/HT204434#fullkeyboard.

Appears in Bugzilla #1600262, Bugzilla #1535742.