diff options
Diffstat (limited to 'lua/vis.lua')
| -rw-r--r-- | lua/vis.lua | 47 |
1 files changed, 45 insertions, 2 deletions
diff --git a/lua/vis.lua b/lua/vis.lua index 286af3d..9b45483 100644 --- a/lua/vis.lua +++ b/lua/vis.lua @@ -114,7 +114,6 @@ local events = { WIN_HIGHLIGHT = "Event::WIN_HIGHLIGHT", -- see @{win_highlight} WIN_OPEN = "Event::WIN_OPEN", -- see @{win_open} WIN_STATUS = "Event::WIN_STATUS", -- see @{win_status} - WIN_SYNTAX = "Event::WIN_SYNTAX", -- see @{win_syntax} } events.file_close = function(...) events.emit(events.FILE_CLOSE, ...) end @@ -130,7 +129,6 @@ events.win_close = function(...) events.emit(events.WIN_CLOSE, ...) end events.win_highlight = function(...) events.emit(events.WIN_HIGHLIGHT, ...) end events.win_open = function(...) events.emit(events.WIN_OPEN, ...) end events.win_status = function(...) events.emit(events.WIN_STATUS, ...) end -events.win_syntax = function(...) return events.emit(events.WIN_SYNTAX, ...) end local handlers = {} @@ -191,6 +189,51 @@ end vis.events = events --- +-- @type Window + +--- The file type associated with this window. +-- @tfield string syntax the syntax lexer name or `nil` if unset + +--- Change syntax lexer to use for this window +-- @function set_syntax +-- @tparam string syntax the syntax lexer name or `nil` to disable syntax highlighting +-- @treturn bool whether the lexer could be changed +vis.types.window.set_syntax = function(win, syntax) + + local lexers = vis.lexers + if not lexers then return false end + + win:style_define(win.STYLE_DEFAULT, lexers.STYLE_DEFAULT or '') + win:style_define(win.STYLE_CURSOR, lexers.STYLE_CURSOR or '') + win:style_define(win.STYLE_CURSOR_PRIMARY, lexers.STYLE_CURSOR_PRIMARY or '') + win:style_define(win.STYLE_CURSOR_LINE, lexers.STYLE_CURSOR_LINE or '') + win:style_define(win.STYLE_SELECTION, lexers.STYLE_SELECTION or '') + win:style_define(win.STYLE_LINENUMBER, lexers.STYLE_LINENUMBER or '') + win:style_define(win.STYLE_COLOR_COLUMN, lexers.STYLE_COLOR_COLUMN or '') + win:style_define(win.STYLE_STATUS, lexers.STYLE_STATUS or '') + win:style_define(win.STYLE_STATUS_FOCUSED, lexers.STYLE_STATUS_FOCUSED or '') + win:style_define(win.STYLE_SEPARATOR, lexers.STYLE_SEPARATOR or '') + win:style_define(win.STYLE_INFO, lexers.STYLE_INFO or '') + win:style_define(win.STYLE_EOF, lexers.STYLE_EOF or '') + + if syntax == nil or syntax == 'off' then + win.syntax = nil + return true + end + + local lexer = lexers.load(syntax) + if not lexer then return false end + + for token_name, id in pairs(lexer._TOKENSTYLES) do + local style = lexers['STYLE_'..string.upper(token_name)] or lexer._EXTRASTYLES[token_name] + win:style_define(id, style) + end + + win.syntax = syntax + return true +end + +--- -- @type File --- Check whether LPeg pattern matches at a given file position. |