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# Changelog
## Unreleased
### Added
* Add more debug logging for unhandled escape sequences.
### Changed
* Unhandled escape sequence warnings are now at the `debug` log level.
## [0.6.0] - 2019-11-13
### Added
* `Screen::input_mode_formatted` and `Screen::input_mode_diff` give escape
codes to set the current terminal input modes.
* `Screen::title_formatted` and `Screen::title_diff` give escape codes to set
the terminal window title.
* `Screen::bells_diff` gives escape codes to trigger any audible or visual
bells which have been seen since the previous state.
### Changed
* `Screen::contents_diff` no longer includes audible or visual bells (see
`Screen::bells_diff` instead).
## [0.5.1] - 2019-11-12
### Fixed
* `Screen::set_size` now actually resizes when requested (previously the
underlying storage was not being resized, leading to panics when writing
outside of the original screen).
## [0.5.0] - 2019-11-12
### Added
* Scrollback support.
* `Default` impl for `Parser` which creates an 80x24 terminal with no
scrollback.
### Removed
* `Parser::screen_mut` (and the `pub` `&mut self` methods on `Screen`). The few
things you can do to change the screen state directly are now exposed as
methods on `Parser` itself.
### Changed
* `Cell::contents` now returns a `String` instead of a `&str`.
* `Screen::check_audible_bell` and `Screen::check_visual_bell` have been
replaced with `Screen::audible_bell_count` and `Screen::visual_bell_count`.
You should keep track of the "since the last method call" state yourself
instead of having the screen track it for you.
### Fixed
* Lots of performance and output optimizations.
* Clearing a cell now sets all of that cell's attributes to the current
attribute set, since different terminals render different things for an empty
cell based on the attributes.
* `Screen::contents_diff` now includes audible and visual bells when
appropriate.
## [0.4.0] - 2019-11-08
### Removed
* `Screen::fgcolor`, `Screen::bgcolor`, `Screen::bold`, `Screen::italic`,
`Screen::underline`, `Screen::inverse`, and `Screen::alternate_screen`:
these are just implementation details that people shouldn't need to care
about.
### Fixed
* Fixed cursor movement when the cursor position is already outside of an
active scroll region.
## [0.3.2] - 2019-11-08
### Fixed
* Clearing cells now correctly sets the cell background color.
* Fixed a couple bugs in wide character handling in `contents_formatted` and
`contents_diff`.
* Fixed RI when the cursor is at the top of the screen (fixes scrolling up in
`less`, for instance).
* Fixed VPA incorrectly being clamped to the scroll region.
* Stop treating soft hyphen specially (as far as i can tell, no other terminals
do this, and i'm not sure why i thought it was necessary to begin with).
* `contents_formatted` now also resets attributes at the start, like
`contents_diff` does.
## [0.3.1] - 2019-11-06
### Fixed
* Make `contents_formatted` explicitly show the cursor when necessary, in case
the cursor was previously hidden.
## [0.3.0] - 2019-11-06
### Added
* `Screen::rows` which is like `Screen::contents` except that it returns the
data by row instead of all at once, and also allows you to restrict the
region returned to a subset of columns.
* `Screen::rows_formatted` which is like `Screen::rows`, but returns escape
sequences sufficient to draw the requested subset of each row.
* `Screen::contents_diff` and `Screen::rows_diff` which return escape sequences
sufficient to turn the visible state of one screen (or a subset of the screen
in the case of `rows_diff`) into another.
### Changed
* The screen is now exposed separately from the parser, and is cloneable.
* `contents_formatted` now returns `Vec<u8>` instead of `String`.
* `contents` and `contents_formatted` now only allow getting the contents of
the entire screen rather than a subset (but see the entry for `rows` and
`rows_formatted` above).
### Removed
* `Cell::new`, since there's not really any reason that this is useful for
someone to do from outside of the crate.
### Fixed
* `contents_formatted` now preserves the state of empty cells instead of
filling them with spaces.
* We now clear the row wrapping state when the number of columns in the
terminal is changed.
* `contents_formatted` now ensures that the cursor has the correct hidden state
and location.
* `contents_formatted` now clears the screen before starting to draw.
## [0.2.0] - 2019-11-04
### Changed
* Reimplemented in pure safe rust, with a much more accurate parser
* A bunch of minor API tweaks, some backwards-incompatible
## [0.1.2] - 2016-06-04
### Fixed
* Fix returning uninit memory in get_string_formatted/get_string_plaintext
* Handle emoji and zero width unicode characters properly
* Fix cursor positioning with regards to scroll regions and wrapping
* Fix parsing of (ignored) character set escapes
* Explicitly suppress status report escapes
## [0.1.1] - 2016-04-28
### Fixed
* Fix builds
## [0.1.0] - 2016-04-28
### Added
* Initial release
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