Module: VER

Defined in:
lib/ver.rb,
lib/ver/font.rb,
lib/ver/help.rb,
lib/ver/text.rb,
lib/ver/undo.rb,
lib/ver/entry.rb,
lib/ver/plist.rb,
lib/ver/theme.rb,
lib/ver/action.rb,
lib/ver/buffer.rb,
lib/ver/keymap.rb,
lib/ver/status.rb,
lib/ver/syntax.rb,
lib/ver/keysyms.rb,
lib/ver/methods.rb,
lib/ver/options.rb,
lib/ver/version.rb,
lib/ver/executor.rb,
lib/ver/treeview.rb,
lib/ver/major_mode.rb,
lib/ver/minibuffer.rb,
lib/ver/minor_mode.rb,
lib/ver/text/index.rb,
lib/ver/status/mode.rb,
lib/ver/layout/paned.rb,
lib/ver/methods/help.rb,
lib/ver/methods/move.rb,
lib/ver/methods/nano.rb,
lib/ver/methods/open.rb,
lib/ver/methods/save.rb,
lib/ver/methods/undo.rb,
lib/ver/status/label.rb,
lib/ver/widget_event.rb,
lib/ver/executor/grep.rb,
lib/ver/executor/path.rb,
lib/ver/layout/tiling.rb,
lib/ver/methods/basic.rb,
lib/ver/methods/ctags.rb,
lib/ver/status/syntax.rb,
lib/ver/buffer/console.rb,
lib/ver/exception_view.rb,
lib/ver/executor/entry.rb,
lib/ver/executor/label.rb,
lib/ver/executor/theme.rb,
lib/ver/methods/delete.rb,
lib/ver/methods/insert.rb,
lib/ver/methods/layout.rb,
lib/ver/methods/search.rb,
lib/ver/status/battery.rb,
lib/ver/status/percent.rb,
lib/ver/executor/buffer.rb,
lib/ver/executor/locate.rb,
lib/ver/executor/method.rb,
lib/ver/executor/syntax.rb,
lib/ver/layout/notebook.rb,
lib/ver/methods/control.rb,
lib/ver/methods/preview.rb,
lib/ver/methods/snippet.rb,
lib/ver/status/encoding.rb,
lib/ver/status/filename.rb,
lib/ver/status/position.rb,
lib/ver/syntax/detector.rb,
lib/ver/hover_completion.rb,
lib/ver/keymap/keymapped.rb,
lib/ver/methods/autofill.rb,
lib/ver/methods/bookmark.rb,
lib/ver/status/nano_help.rb,
lib/ver/status/separator.rb,
lib/ver/syntax/processor.rb,
lib/ver/help/describe_key.rb,
lib/ver/methods/clipboard.rb,
lib/ver/widget_major_mode.rb,
lib/ver/help/help_for_help.rb,
lib/ver/methods/completion.rb,
lib/ver/vendor/levenshtein.rb,
lib/ver/layout/tiling/common.rb,
lib/ver/status/nano_position.rb,
lib/ver/vendor/binary_search.rb,
lib/ver/status/short_filename.rb,
lib/ver/layout/tiling/vertical.rb,
lib/ver/status/buffer_position.rb,
lib/ver/layout/tiling/horizontal.rb,
lib/ver/status/diakonos_position.rb,
lib/ver/executor/fuzzy_file_finder.rb,
lib/ver/methods/search_and_replace.rb,
config/plugin/git.rb,
config/plugin/soma.rb,
config/plugin/animated_tiling.rb,
config/plugin/smart_autoindent.rb

Overview

Copyright © 2009 Michael Fellinger <[email protected]>

Description:

Shortcuts to use git within VER. This simply opens an urxvt console and embeds it into VER until you finish interacting with git.

Usage:

Put following line into your rc.rb

VER.plugin :git

Defined Under Namespace

Modules: Font, Help, Keymapped, Levenshtein, Methods, Optioned, Plist, Undo Classes: Action, BinarySearch, Bookmarks, Buffer, Entry, ExceptionView, Executor, HoverCompletion, Keymap, MajorMode, MiniBuffer, MinorMode, NotebookLayout, Options, PanedLayout, Snippet, Status, Syntax, Text, Theme, TilingLayout, Treeview, WidgetEvent, WidgetMajorMode

Constant Summary collapse

KEYSYMS =

A Hash containing the Tk keysyms. The key is the ascii character, the value is the name as used in tk binds.

{
  " "  => "<space>",
  "!"  => "<exclam>",
  "#"  => "<numbersign>",
  "$"  => "<dollar>",
  "%"  => "<percent>",
  "&"  => "<ampersand>",
  "'"  => "<quoteright>",
  "("  => "<parenleft>",
  ")"  => "<parenright>",
  "*"  => "<asterisk>",
  "+"  => "<plus>",
  ","  => "<comma>",
  "-"  => "<minus>",
  "."  => "<period>",
  "/"  => "<slash>",
  ":"  => "<colon>",
  ";"  => "<semicolon>",
  "<"  => "<less>",
  "="  => "<equal>",
  ">"  => "<greater>",
  "?"  => "<question>",
  "@"  => "<at>",
  "["  => "<bracketleft>",
  "\\" => "<backslash>",
  "]"  => "<bracketright>",
  "^"  => "<asciicircum>",
  "_"  => "<underscore>",
  "`"  => "<quoteleft>",
  "{"  => "<braceleft>",
  "|"  => "<bar>",
  "}"  => "<braceright>",
  "~"  => "<asciitilde>",
  '"'  => "<quotedbl>",
  '0' => '0',
  '1' => '1',
  '2' => '2',
  '3' => '3',
  '4' => '4',
  '5' => '5',
  '6' => '6',
  '7' => '7',
  '8' => '8',
  '9' => '9',
  'A' => 'A',
  'B' => 'B',
  'C' => 'C',
  'D' => 'D',
  'E' => 'E',
  'F' => 'F',
  'G' => 'G',
  'H' => 'H',
  'I' => 'I',
  'J' => 'J',
  'K' => 'K',
  'L' => 'L',
  'M' => 'M',
  'N' => 'N',
  'O' => 'O',
  'P' => 'P',
  'Q' => 'Q',
  'R' => 'R',
  'S' => 'S',
  'T' => 'T',
  'U' => 'U',
  'V' => 'V',
  'W' => 'W',
  'X' => 'X',
  'Y' => 'Y',
  'Z' => 'Z',
  'a' => 'a',
  'b' => 'b',
  'c' => 'c',
  'd' => 'd',
  'e' => 'e',
  'f' => 'f',
  'g' => 'g',
  'h' => 'h',
  'i' => 'i',
  'j' => 'j',
  'k' => 'k',
  'l' => 'l',
  'm' => 'm',
  'n' => 'n',
  'o' => 'o',
  'p' => 'p',
  'q' => 'q',
  'r' => 'r',
  's' => 's',
  't' => 't',
  'u' => 'u',
  'v' => 'v',
  'w' => 'w',
  'x' => 'x',
  'y' => 'y',
  'z' => 'z',
}
SYMKEYS =

Inversion of KEYSYMS for fast lookup in WidgetMajorMode

KEYSYMS.invert
VERSION = 
"2010.02"

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.bookmarks ⇒ Object (readonly)

Returns the value of attribute bookmarks.



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# File 'lib/ver.rb', line 55

def bookmarks
  @bookmarks
end

.buffers ⇒ Object (readonly)

Returns the value of attribute buffers.



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# File 'lib/ver.rb', line 55

def buffers
  @buffers
end

.ctag_stack ⇒ Object (readonly)

Returns the value of attribute ctag_stack.



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# File 'lib/ver.rb', line 55

def ctag_stack
  @ctag_stack
end

.keymap ⇒ Object (readonly)

Returns the value of attribute keymap.



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# File 'lib/ver.rb', line 55

def keymap
  @keymap
end

.layout ⇒ Object (readonly)

Returns the value of attribute layout.



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# File 'lib/ver.rb', line 55

def layout
  @layout
end

.layout_class ⇒ Object

Returns the value of attribute layout_class.



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# File 'lib/ver.rb', line 58

def layout_class
  @layout_class
end

.minibuf ⇒ Object (readonly)

Returns the value of attribute minibuf.



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# File 'lib/ver.rb', line 55

def minibuf
  @minibuf
end

.options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/ver.rb', line 55

def options
  @options
end

.paths ⇒ Object (readonly)

Returns the value of attribute paths.



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# File 'lib/ver.rb', line 55

def paths
  @paths
end

.root ⇒ Object (readonly)

Returns the value of attribute root.



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# File 'lib/ver.rb', line 55

def root
  @root
end

.status ⇒ Object (readonly)

Returns the value of attribute status.



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# File 'lib/ver.rb', line 55

def status
  @status
end

.style_name_pools ⇒ Object (readonly)

Returns the value of attribute style_name_pools.



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# File 'lib/ver.rb', line 55

def style_name_pools
  @style_name_pools
end

.style_name_register ⇒ Object (readonly)

Returns the value of attribute style_name_register.



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# File 'lib/ver.rb', line 55

def style_name_register
  @style_name_register
end

Class Method Details

.cancel_block(block) ⇒ Object 



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# File 'lib/ver.rb', line 205

def cancel_block(block)
  @cancel_blocks[block] = true
end

.defer ⇒ Object 



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# File 'lib/ver.rb', line 195

def defer
  Tk::After.idle do
    begin
      yield
    rescue Exception => ex
      VER.error(ex)
    end
  end
end

.dump_options ⇒ Object 



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# File 'lib/ver.rb', line 476

def dump_options
  out = []

  options.each_pair do |key, value|
    out << [key,
      case value
      when Tk::Font
        "VER::Font[%p]" % [value.actual_hash]
      when Pathname
        value.to_s
      else
        value
      end
      ]
  end

  out.each do |pair|
    puts("VER.options.%s = %p" % pair)
  end
end

.emergency_bindings ⇒ Object 



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# File 'lib/ver.rb', line 437

def emergency_bindings
  Tk::Bind.bind(:all, options.emergency_exit){ exit }
end

.error(exception) ⇒ Object 



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# File 'lib/ver.rb', line 497

def error(exception)
  @status.value = exception.message if @status
  exception_view(exception) if @root
  $stderr.puts("#{exception.class}: #{exception}", *exception.backtrace)
rescue Errno::EIO
  # The original terminal has disappeared, the $stderr pipe was closed on the
  # other side.
  [$stderr, $stdout, $stdin].each(&:close)
rescue IOError
  # Our pipes are closed, maybe put some output to a file logger here, or display
  # in a nicer way, maybe let it bubble up to Tk handling.
end

.exception_view(exception) ⇒ Object 



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# File 'lib/ver.rb', line 510

def exception_view(exception)
  @exception_view ||= ExceptionView.new(root)
  @exception_view.show(exception)
end

.exit ⇒ Object 



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# File 'lib/ver.rb', line 326

def exit
  store_session
  @cancel_blocks.keys.each{|key| @cancel_blocks[key] = true }
  Tk.exit rescue nil
  EM.stop rescue nil
  Kernel.exit
end

.find_in_loadpath(basename) ⇒ Object 



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# File 'lib/ver.rb', line 347

def find_in_loadpath(basename)
  loadpath.each do |dirname|
    file = dirname/basename
    return file if file.file?
  end

  nil
end

.find_or_create_buffer(file, line = nil, column = nil, &block) ⇒ Object 



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# File 'lib/ver.rb', line 433

def find_or_create_buffer(file, line = nil, column = nil, &block)
  Buffer.find_or_create(file, line, column, &block)
end

.first_startup ⇒ Object 



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# File 'lib/ver.rb', line 316

def first_startup
  home, core = options.home_conf_dir, options.core_conf_dir
  home.mkpath

  (core/'rc.rb').cp(home/'rc.rb')
  (core/'scratch').cp(home/'scratch')
  (core/'tutorial').cp(home/'tutorial')
  (core/'welcome').cp(home/'welcome')
end

.load(name) ⇒ Object 



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# File 'lib/ver.rb', line 334

def load(name)
  loadpath.each do |path|
    file = File.join(path, name)

    begin
      require(file)
      return
    rescue LoadError, TypeError => ex
      # TypeError happens on JRuby sometimes...
    end
  end
end

.load_all_plugins ⇒ Object 



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# File 'lib/ver.rb', line 238

def load_all_plugins
  loadpath.each do |dirname|
    (dirname/'plugin/*.rb').glob do |rb|
      require rb
    end
  end
rescue => ex
  error(ex)
end

.load_plugin(name) ⇒ Object 



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# File 'lib/ver.rb', line 228

def load_plugin(name)
  loadpath.each do |dirname|
    (dirname/"plugin/#{name}.rb").glob do |rb|
      return require(rb.to_s)
    end
  end
rescue => ex
  error(ex)
end

.load_plugins ⇒ Object 



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# File 'lib/ver.rb', line 221

def load_plugins
  @load_plugins.each do |plugin|
    load_plugin(plugin)
    Tk::Event.generate(root, '<<PluginLoaded>>', data: plugin.to_s)
  end
end

.loadpath ⇒ Object 



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# File 'lib/ver.rb', line 96

def loadpath
  options.loadpath
end

.major_mode(name, &block) ⇒ Object 



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# File 'lib/ver/major_mode.rb', line 2

def self.major_mode(name, &block)
  major = MajorMode[name]
  major.instance_eval(&block)
  major
end

.message(*args) ⇒ Object 



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# File 'lib/ver.rb', line 445

def message(*args)
  minibuf.message(*args)
end

.minor_mode(name, &block) ⇒ Object 



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# File 'lib/ver/minor_mode.rb', line 2

def self.minor_mode(name, &block)
  minor = MinorMode[name]
  minor.instance_eval(&block)
  minor
end

.obtain_style_name(widget_name, widget_class) ⇒ Object 



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# File 'lib/ver.rb', line 453

def obtain_style_name(widget_name, widget_class)
  suffix = "#{widget_name}.#{widget_class}"
  pool = style_name_pools[suffix] ||= []
  register = style_name_register

  unless name = pool.shift
    begin
      id = SecureRandom.hex
      name = "#{id}.#{suffix}"
    end while register.include?(name)

    register << name
  end

  return name
end

.open_argv ⇒ Object 



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# File 'lib/ver.rb', line 356

def open_argv
  argv = ARGV.dup
  openend_any = false

  while arg = argv.shift
    if argv.first =~ /\+\d+/
      line = argv.shift.to_i
      find_or_create_buffer(arg, line)
    else
      find_or_create_buffer(arg)
    end

    opened_any = true
  end

  opened_any
end

.open_session ⇒ Object 



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# File 'lib/ver.rb', line 381

def open_session
  return unless session_base = options.session
  basename = "#{session_base}.session.rb"
  return unless file = find_in_loadpath(basename)

  begin
    session = eval(File.read(file))
  rescue SyntaxError => ex
    puts "#{ex.class}: #{ex}", *ex.backtrace
    return
  end

  session[:bookmarks].each do |raw_bm|
    bm = Bookmarks::Bookmark.new
    bm.name = raw_bm[:name]
    bm.file = Pathname(raw_bm[:file])
    bm.index = raw_bm[:index]
    bookmarks << bm
  end

  session[:buffers].each do |buffer|
    find_or_create_buffer(buffer[:filename], *buffer[:insert])
  end
end

.open_welcome ⇒ Object 



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# File 'lib/ver.rb', line 374

def open_welcome
  if welcome = find_in_loadpath('welcome')
    find_or_create_buffer(welcome)
    true
  end
end

.opened_file(text) ⇒ Object 



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# File 'lib/ver.rb', line 441

def opened_file(text)
  @paths << text.filename
end

.plugin(name) ⇒ Object 



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# File 'lib/ver.rb', line 217

def plugin(name)
  @load_plugins << name.to_s
end

.return_style_name(style_name) ⇒ Object 



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# File 'lib/ver.rb', line 470

def return_style_name(style_name)
  id, widget_name, widget_class = style_name.split('.')
  suffix = "#{widget_name}.#{widget_class}"
  style_name_pools[suffix] << style_name
end

.run(given_options = {}, &block) ⇒ Object 



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# File 'lib/ver.rb', line 100

def run(given_options = {}, &block)
  setup_tk
  run_startup(given_options)
  pp options if $DEBUG

  run_maybe_forking do
    options.eventmachine ? run_em(&block) : run_noem(&block)
  end
rescue => exception
  VER.error(exception)
  exit
end

.run_core ⇒ Object 



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# File 'lib/ver.rb', line 164

def run_core
  sanitize_options
  setup_widgets
  open_argv || open_welcome
  open_session
  emergency_bindings
  load_plugins
  run_startup_hooks
end

.run_em(&block) ⇒ Object 



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# File 'lib/ver.rb', line 122

def run_em(&block)
  require 'eventmachine'

  EM.run do
    if Tk::RUN_EVENTLOOP_ON_MAIN_THREAD
      run_core
      EM.defer(&block) if block
      Tk.mainloop
    else
      EM.defer do
        run_core
        EM.defer(&block) if block
        Tk.mainloop
      end
    end
  end
end

.run_maybe_forking(&block) ⇒ Object 



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# File 'lib/ver.rb', line 113

def run_maybe_forking(&block)
  return yield unless options.fork

  fork do
    trap(:HUP){ 'terminal disconnected' }
    yield
  end
end

.run_noem(&block) ⇒ Object 



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# File 'lib/ver.rb', line 140

def run_noem(&block)
  run_core
  yield if block
  Tk.mainloop
end

.run_startup(given_options) ⇒ Object 



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# File 'lib/ver.rb', line 146

def run_startup(given_options)
  first_startup unless options.home_conf_dir.directory?

  @startup_hooks = []
  @paths = Set.new
  @cancel_blocks = {}
  @load_plugins = Set.new
  @exception_view = nil
  @bookmarks = Bookmarks.new
  @ctag_stack = []
  @style_name_register = []
  @style_name_pools = {}
  @buffers = {}

  load 'rc'
  @options.merge!(given_options)
end

.run_startup_hooks ⇒ Object 



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# File 'lib/ver.rb', line 209

def run_startup_hooks
  @startup_hooks.each(&:call)
end

.sanitize_options ⇒ Object 



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# File 'lib/ver.rb', line 281

def sanitize_options
  font = options.font

  unless font.respond_to?(:measure)
    font = Tk::Font.new(font)
    actual_hash = font.actual_hash
    options.font = Font.cache[actual_hash] = font
  end

  tabs = font.measure('0') * options.tabstop
  options.tabs = tabs

  encoding = options[:encoding]
  unless encoding.is_a?(Encoding)
    external, internal = encoding.to_s.split(':', 2)

    Encoding.default_external = Encoding.find(external) if external
    Encoding.default_internal = Encoding.find(internal) if internal
  end

  # We supply a reasonable default in case the platform doesn't have the theme
  # wished for.
  unless Tk::Tile::Style.theme_names.include?(options.tk_theme)
    options.tk_theme = 'default'
  end

  letter = /[\w\n.-]/
  space = /[^\w.-]/

  # make sure Tcl already has the vars set
  Tk.interp.eval('catch {tcl_endOfWord}')
  Tk.execute('set', 'tcl_wordchars', letter)
  Tk.execute('set', 'tcl_nonwordchars', space)
end

.setup_layout ⇒ Object 



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# File 'lib/ver.rb', line 277

def setup_layout
  @layout = (layout_class || PanedLayout).new(root)
end

.setup_tk ⇒ Object 



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# File 'lib/ver.rb', line 248

def setup_tk
  require 'ffi-tk'
  Thread.abort_on_exception = true
end

.setup_widgets ⇒ Object 



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# File 'lib/ver.rb', line 253

def setup_widgets
  Tk::Tile.set_theme options.tk_theme

  @root = Tk.root
  @root.wm_geometry = '160x80'

  Tk::Tile::Style.configure('Label', font: options.font, sticky: :sw)
  # Tk::Tile::Style.configure('TLabelframe', background: '#f00')

  setup_layout

  load("keymap/#{options.keymap}.rb")

  @minibuf = MiniBuffer.new(@layout)
  @layout.configure(
    labelwidget: minibuf,
    labelanchor: :sw
  )

  [:Messages, :Scratch].each do |name|
    defer{ Buffer[name].hide }
  end
end

.startup_hook(&block) ⇒ Object 



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# File 'lib/ver.rb', line 213

def startup_hook(&block)
  @startup_hooks << block
end

.store_session ⇒ Object 



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# File 'lib/ver.rb', line 406

def store_session
  return unless session_base = VER.options.session
  basename = "#{session_base}.session.rb"
  session_path = loadpath.first/basename

  session = {buffers: [], bookmarks: []}
  buffers.each do |name, buffer|
    session[:buffers] << {
      name: name.to_s,
      filename: buffer.filename.to_s,
      insert: buffer.text.index(:insert).split,
    }
  end

  bookmarks.each do |bm|
    session[:bookmarks] << {
      name:  bm.name,
      file:  bm.file.to_s,
      index: bm.index,
    }
  end

  session_path.open('w+:UTF-8') do |io|
    io.write(session.pretty_inspect)
  end
end

.warn(*args) ⇒ Object 



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# File 'lib/ver.rb', line 449

def warn(*args)
  minibuf.warn(*args)
end

.when_inactive_for(ms) ⇒ Object 



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# File 'lib/ver.rb', line 174

def when_inactive_for(ms)
  block = lambda{
    if @cancel_blocks[block]
      @cancel_blocks.delete(block)
    else

      if Tk.root.tk_inactive > ms
        yield
        Tk.root.tk_inactive('reset')
        Tk::After.ms(ms, &block)
      else
        Tk::After.ms(ms, &block)
      end
    end
  }

  @cancel_blocks[block] = false
  Tk::After.idle(&block)
  block
end