vty-ui changelog

Changelog History

Page 2

• v1.2 Changes

  API changes:

  • Added Graphics.Vty.Widgets.Group module to provide an abstraction for a collection of widgets with the same role in the interface.
  • Added Graphics.Vty.Widgets.Text.setTextFormatter function
  • Added Graphics.Vty.Widgets.Text.getTextFormatter function
  • Added Graphics.Vty.Widgets.Core.appendFocusGroup function
  • Graphics.Vty.Widgets.DirBrowser: name and export the type of the directory browser's internal widget (DirBrowserWidgetType)
  • Added Graphics.Vty.Widgets.Text.setTextAppearFocused function; change the default behavior of text widgets so that by default, they do NOT use the focused attribute when focused. The previous behavior was such that a focused text widget would use the focused attribute in effect when being rendered, but this doesn't make sense in all cases. Now there is a specific API for turning that on, and the default is to supress the behavior. Use cases for turning it on include cases where a text widget is part of a larger widget which has a meaningful focused appearance (e.g., buttons).
  • Added Text.plainTextWithAttrs convenience constructor

  Internal changes:

  • Default render context now has a somewhat more reasonable default focus attribute

  Manual changes:

  • Fixed ordering of sections in Chapter 4
  • Added section on the Group module

  🐛 Bug fixes:

  • Default cursor location is hidden for empty widgets, fixes case where an empty widget showed the cursor and resulted in a Data.Word crash
  • Boxes with fixed-size children now refuse to draw without enough space
  • Bordered widgets now refuse to draw without enough space
  • Focus groups can now be empty for interfaces where no widgets need focus (still, if you want to do this, add key event handlers to the focus group itself)
  • Minted LaTeX style wasn't being included in the sdist.

  📦 Package changes:

  • Allow dependency on Vty 4.7. NOTE: if you are importing Vty unqualified, 4.7 now exports a "pad" function which conflicts with the "pad" function exported by the "All" and "Padding" modules.
  • Extend 'unix' dependency range to 2.5
  • Add source-repository to the package description
  • Depend on Cabal >= 1.6

• v1.1 Changes

  API changes:

  • 'highlight' now takes any regular expression that is an instance of 'RegexLike' and matches Strings. This means we don't depend on pcre-light any more, but just Text.Regex.Base. One of the demo programs now depends on the 'regex-pcre' package since pcre-light didn't provide any instances of RegexLike.
  • Text.Trans.Tokenize, the module used to tokenize text and operate on token streams for the FormattedText widget, is now part of the public API. This is because anyone wishing to write a Formatter will need access to its types, and it contains other nifty functionality.
  • The 'Text' type has been removed in favor of types from Text.Trans.Tokenize.
  • Formatters (defined in the Text module) now take TextStreams (defined in Text.Trans.Tokenize).
  • The implementation of the wrapping and truncation logic in Text.Trans.Tokenize has been greatly simplified thanks to the type refactoring in that module.
  • The implementation of the 'wrap' Formatter has been greatly simplified thanks to the type refactoring in Text.Trans.Tokenize. It should also be a bit easier to write Formatters now.
  • Text.Trans.Tokenize.truncLine is now called truncateLine.
  • Text.Trans.Tokenize.wrapLine is now called wrapStream.
  • The test suite for Text.Trans.Tokenize has been bulked up a bit.
  • The event loop implementation now uses TChans from STM instead of Chans from Control.Concurrent; we also depend in 'stm' as a result.

  Manual changes:

  • The 'Text' material was updated with information on text widget update functions.
  • The 'Text' material was fixed to document the arguments to 'textWidget' in the correct order.

• v1.0.1 Changes

  API changes:

  • Interface change: List: newList no longer takes a widget constructor; addToList and friends take the widget instead
  • Interface change: stop using MonadIO, use IO instead. The real issue here was that the library was failing to make good on an attempted promise of sequencing vty-ui actions with an arbitrary IO-based monad transformer stack, in particular because event handlers could not be sequenced in the same MonadIO instance as everything else.

  API additions:

  • Add shutdownUi signal to stop event loop (fixes issue #3)
  • List: add setSelected and getListItem functions
  • List: add insertIntoList for arbitrary insertion

  Internal changes:

  • Box: query child widgets for cursor position info
  • List: use at least a one-row-high item height to support emtpy list items (e.g., empty text widgets)
  • List: removeFromList: when the list is focused, manage focus state of widgets involved
  • List: forward key events to currently-selected item; also focus and unfocus items as selection changes
  • Edit: move {remove,inject} to Util
  • FormattedText: do not provide cursor positioning info.

  Misc:

  • Util.mergeAttr: Vty uses bitwise OR to merge styles, but that means we cannot turn style bits off, so we just replace the style mask entirely
  • cabal file: loosen library dependencies a bit.
  • ListDemo: focus the edit widget initially.

• v1.0 Changes

  🐛 Bug fixes:

  List: * removeFromList now recomputes scrolling window info correctly. * removeFromList fixes new selected index when pos > sel. * clearList now sets the selectedIndex correctly.

  Core: * mergeFocusGroups now correctly preserves existing handlers and establishes new FocusGroup manipulation handlers. * resetFocusGroup now uses the right index range (was resetting the focused element to zero, now -1)

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