зеркало из https://github.com/github/ruby.git
502 строки
16 KiB
Ruby
502 строки
16 KiB
Ruby
require 'fiddle/import'
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class Reline::Windows
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def self.encoding
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Encoding::UTF_8
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end
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def self.win?
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true
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end
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def self.win_legacy_console?
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@@legacy_console
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end
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def self.set_default_key_bindings(config)
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{
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[224, 72] => :ed_prev_history, # ↑
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[224, 80] => :ed_next_history, # ↓
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[224, 77] => :ed_next_char, # →
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[224, 75] => :ed_prev_char, # ←
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[224, 83] => :key_delete, # Del
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[224, 71] => :ed_move_to_beg, # Home
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[224, 79] => :ed_move_to_end, # End
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[ 0, 41] => :ed_unassigned, # input method on/off
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[ 0, 72] => :ed_prev_history, # ↑
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[ 0, 80] => :ed_next_history, # ↓
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[ 0, 77] => :ed_next_char, # →
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[ 0, 75] => :ed_prev_char, # ←
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[ 0, 83] => :key_delete, # Del
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[ 0, 71] => :ed_move_to_beg, # Home
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[ 0, 79] => :ed_move_to_end # End
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}.each_pair do |key, func|
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config.add_default_key_binding_by_keymap(:emacs, key, func)
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config.add_default_key_binding_by_keymap(:vi_insert, key, func)
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config.add_default_key_binding_by_keymap(:vi_command, key, func)
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end
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{
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[27, 32] => :em_set_mark, # M-<space>
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[24, 24] => :em_exchange_mark, # C-x C-x
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}.each_pair do |key, func|
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config.add_default_key_binding_by_keymap(:emacs, key, func)
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end
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# Emulate ANSI key sequence.
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{
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[27, 91, 90] => :completion_journey_up, # S-Tab
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}.each_pair do |key, func|
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config.add_default_key_binding_by_keymap(:emacs, key, func)
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config.add_default_key_binding_by_keymap(:vi_insert, key, func)
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end
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end
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if defined? JRUBY_VERSION
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require 'win32api'
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else
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class Win32API
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DLL = {}
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TYPEMAP = {"0" => Fiddle::TYPE_VOID, "S" => Fiddle::TYPE_VOIDP, "I" => Fiddle::TYPE_LONG}
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POINTER_TYPE = Fiddle::SIZEOF_VOIDP == Fiddle::SIZEOF_LONG_LONG ? 'q*' : 'l!*'
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WIN32_TYPES = "VPpNnLlIi"
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DL_TYPES = "0SSI"
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def initialize(dllname, func, import, export = "0", calltype = :stdcall)
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@proto = [import].join.tr(WIN32_TYPES, DL_TYPES).sub(/^(.)0*$/, '\1')
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import = @proto.chars.map {|win_type| TYPEMAP[win_type.tr(WIN32_TYPES, DL_TYPES)]}
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export = TYPEMAP[export.tr(WIN32_TYPES, DL_TYPES)]
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calltype = Fiddle::Importer.const_get(:CALL_TYPE_TO_ABI)[calltype]
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handle = DLL[dllname] ||=
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begin
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Fiddle.dlopen(dllname)
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rescue Fiddle::DLError
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raise unless File.extname(dllname).empty?
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Fiddle.dlopen(dllname + ".dll")
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end
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@func = Fiddle::Function.new(handle[func], import, export, calltype)
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rescue Fiddle::DLError => e
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raise LoadError, e.message, e.backtrace
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end
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def call(*args)
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import = @proto.split("")
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args.each_with_index do |x, i|
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args[i], = [x == 0 ? nil : x].pack("p").unpack(POINTER_TYPE) if import[i] == "S"
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args[i], = [x].pack("I").unpack("i") if import[i] == "I"
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end
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ret, = @func.call(*args)
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return ret || 0
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end
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end
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end
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VK_RETURN = 0x0D
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VK_MENU = 0x12 # ALT key
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VK_LMENU = 0xA4
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VK_CONTROL = 0x11
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VK_SHIFT = 0x10
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VK_DIVIDE = 0x6F
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KEY_EVENT = 0x01
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WINDOW_BUFFER_SIZE_EVENT = 0x04
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CAPSLOCK_ON = 0x0080
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ENHANCED_KEY = 0x0100
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LEFT_ALT_PRESSED = 0x0002
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LEFT_CTRL_PRESSED = 0x0008
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NUMLOCK_ON = 0x0020
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RIGHT_ALT_PRESSED = 0x0001
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RIGHT_CTRL_PRESSED = 0x0004
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SCROLLLOCK_ON = 0x0040
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SHIFT_PRESSED = 0x0010
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VK_TAB = 0x09
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VK_END = 0x23
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VK_HOME = 0x24
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VK_LEFT = 0x25
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VK_UP = 0x26
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VK_RIGHT = 0x27
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VK_DOWN = 0x28
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VK_DELETE = 0x2E
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STD_INPUT_HANDLE = -10
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STD_OUTPUT_HANDLE = -11
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FILE_TYPE_PIPE = 0x0003
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FILE_NAME_INFO = 2
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@@getwch = Win32API.new('msvcrt', '_getwch', [], 'I')
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@@kbhit = Win32API.new('msvcrt', '_kbhit', [], 'I')
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@@GetKeyState = Win32API.new('user32', 'GetKeyState', ['L'], 'L')
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@@GetConsoleScreenBufferInfo = Win32API.new('kernel32', 'GetConsoleScreenBufferInfo', ['L', 'P'], 'L')
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@@SetConsoleCursorPosition = Win32API.new('kernel32', 'SetConsoleCursorPosition', ['L', 'L'], 'L')
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@@GetStdHandle = Win32API.new('kernel32', 'GetStdHandle', ['L'], 'L')
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@@FillConsoleOutputCharacter = Win32API.new('kernel32', 'FillConsoleOutputCharacter', ['L', 'L', 'L', 'L', 'P'], 'L')
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@@ScrollConsoleScreenBuffer = Win32API.new('kernel32', 'ScrollConsoleScreenBuffer', ['L', 'P', 'P', 'L', 'P'], 'L')
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@@hConsoleHandle = @@GetStdHandle.call(STD_OUTPUT_HANDLE)
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@@hConsoleInputHandle = @@GetStdHandle.call(STD_INPUT_HANDLE)
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@@GetNumberOfConsoleInputEvents = Win32API.new('kernel32', 'GetNumberOfConsoleInputEvents', ['L', 'P'], 'L')
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@@ReadConsoleInputW = Win32API.new('kernel32', 'ReadConsoleInputW', ['L', 'P', 'L', 'P'], 'L')
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@@GetFileType = Win32API.new('kernel32', 'GetFileType', ['L'], 'L')
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@@GetFileInformationByHandleEx = Win32API.new('kernel32', 'GetFileInformationByHandleEx', ['L', 'I', 'P', 'L'], 'I')
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@@FillConsoleOutputAttribute = Win32API.new('kernel32', 'FillConsoleOutputAttribute', ['L', 'L', 'L', 'L', 'P'], 'L')
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@@SetConsoleCursorInfo = Win32API.new('kernel32', 'SetConsoleCursorInfo', ['L', 'P'], 'L')
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@@GetConsoleMode = Win32API.new('kernel32', 'GetConsoleMode', ['L', 'P'], 'L')
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@@SetConsoleMode = Win32API.new('kernel32', 'SetConsoleMode', ['L', 'L'], 'L')
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@@WaitForSingleObject = Win32API.new('kernel32', 'WaitForSingleObject', ['L', 'L'], 'L')
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ENABLE_VIRTUAL_TERMINAL_PROCESSING = 4
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private_class_method def self.getconsolemode
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mode = "\000\000\000\000"
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@@GetConsoleMode.call(@@hConsoleHandle, mode)
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mode.unpack1('L')
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end
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private_class_method def self.setconsolemode(mode)
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@@SetConsoleMode.call(@@hConsoleHandle, mode)
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end
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@@legacy_console = (getconsolemode() & ENABLE_VIRTUAL_TERMINAL_PROCESSING == 0)
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#if @@legacy_console
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# setconsolemode(getconsolemode() | ENABLE_VIRTUAL_TERMINAL_PROCESSING)
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# @@legacy_console = (getconsolemode() & ENABLE_VIRTUAL_TERMINAL_PROCESSING == 0)
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#end
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@@input_buf = []
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@@output_buf = []
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@@output = STDOUT
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def self.msys_tty?(io = @@hConsoleInputHandle)
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# check if fd is a pipe
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if @@GetFileType.call(io) != FILE_TYPE_PIPE
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return false
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end
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bufsize = 1024
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p_buffer = "\0" * bufsize
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res = @@GetFileInformationByHandleEx.call(io, FILE_NAME_INFO, p_buffer, bufsize - 2)
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return false if res == 0
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# get pipe name: p_buffer layout is:
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# struct _FILE_NAME_INFO {
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# DWORD FileNameLength;
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# WCHAR FileName[1];
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# } FILE_NAME_INFO
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len = p_buffer[0, 4].unpack1("L")
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name = p_buffer[4, len].encode(Encoding::UTF_8, Encoding::UTF_16LE, invalid: :replace)
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# Check if this could be a MSYS2 pty pipe ('\msys-XXXX-ptyN-XX')
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# or a cygwin pty pipe ('\cygwin-XXXX-ptyN-XX')
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name =~ /(msys-|cygwin-).*-pty/ ? true : false
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end
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KEY_MAP = [
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# It's treated as Meta+Enter on Windows.
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[ { control_keys: :CTRL, virtual_key_code: 0x0D }, "\e\r".bytes ],
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[ { control_keys: :SHIFT, virtual_key_code: 0x0D }, "\e\r".bytes ],
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# It's treated as Meta+Space on Windows.
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[ { control_keys: :CTRL, char_code: 0x20 }, "\e ".bytes ],
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# Emulate getwch() key sequences.
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[ { control_keys: [], virtual_key_code: VK_UP }, [0, 72] ],
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[ { control_keys: [], virtual_key_code: VK_DOWN }, [0, 80] ],
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[ { control_keys: [], virtual_key_code: VK_RIGHT }, [0, 77] ],
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[ { control_keys: [], virtual_key_code: VK_LEFT }, [0, 75] ],
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[ { control_keys: [], virtual_key_code: VK_DELETE }, [0, 83] ],
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[ { control_keys: [], virtual_key_code: VK_HOME }, [0, 71] ],
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[ { control_keys: [], virtual_key_code: VK_END }, [0, 79] ],
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# Emulate ANSI key sequence.
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[ { control_keys: :SHIFT, virtual_key_code: VK_TAB }, [27, 91, 90] ],
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]
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@@hsg = nil
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def self.process_key_event(repeat_count, virtual_key_code, virtual_scan_code, char_code, control_key_state)
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# high-surrogate
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if 0xD800 <= char_code and char_code <= 0xDBFF
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@@hsg = char_code
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return
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end
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# low-surrogate
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if 0xDC00 <= char_code and char_code <= 0xDFFF
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if @@hsg
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char_code = 0x10000 + (@@hsg - 0xD800) * 0x400 + char_code - 0xDC00
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@@hsg = nil
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else
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# no high-surrogate. ignored.
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return
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end
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else
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# ignore high-surrogate without low-surrogate if there
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@@hsg = nil
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end
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key = KeyEventRecord.new(virtual_key_code, char_code, control_key_state)
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match = KEY_MAP.find { |args,| key.matches?(**args) }
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unless match.nil?
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@@output_buf.concat(match.last)
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return
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end
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# no char, only control keys
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return if key.char_code == 0 and key.control_keys.any?
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@@output_buf.push("\e".ord) if key.control_keys.include?(:ALT) and !key.control_keys.include?(:CTRL)
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@@output_buf.concat(key.char.bytes)
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end
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def self.check_input_event
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num_of_events = 0.chr * 8
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while @@output_buf.empty?
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Reline.core.line_editor.resize
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if @@WaitForSingleObject.(@@hConsoleInputHandle, 100) != 0 # max 0.1 sec
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# prevent for background consolemode change
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@@legacy_console = (getconsolemode() & ENABLE_VIRTUAL_TERMINAL_PROCESSING == 0)
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next
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end
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next if @@GetNumberOfConsoleInputEvents.(@@hConsoleInputHandle, num_of_events) == 0 or num_of_events.unpack1('L') == 0
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input_records = 0.chr * 20 * 80
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read_event = 0.chr * 4
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if @@ReadConsoleInputW.(@@hConsoleInputHandle, input_records, 80, read_event) != 0
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read_events = read_event.unpack1('L')
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0.upto(read_events) do |idx|
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input_record = input_records[idx * 20, 20]
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event = input_record[0, 2].unpack1('s*')
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case event
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when WINDOW_BUFFER_SIZE_EVENT
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@@winch_handler.()
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when KEY_EVENT
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key_down = input_record[4, 4].unpack1('l*')
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repeat_count = input_record[8, 2].unpack1('s*')
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virtual_key_code = input_record[10, 2].unpack1('s*')
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virtual_scan_code = input_record[12, 2].unpack1('s*')
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char_code = input_record[14, 2].unpack1('S*')
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control_key_state = input_record[16, 2].unpack1('S*')
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is_key_down = key_down.zero? ? false : true
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if is_key_down
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process_key_event(repeat_count, virtual_key_code, virtual_scan_code, char_code, control_key_state)
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end
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end
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end
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end
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end
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end
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def self.with_raw_input
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yield
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end
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def self.getc(_timeout_second)
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check_input_event
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@@output_buf.shift
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end
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def self.ungetc(c)
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@@output_buf.unshift(c)
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end
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def self.in_pasting?
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not self.empty_buffer?
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end
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def self.empty_buffer?
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if not @@output_buf.empty?
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false
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elsif @@kbhit.call == 0
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true
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else
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false
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end
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end
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def self.get_console_screen_buffer_info
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# CONSOLE_SCREEN_BUFFER_INFO
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# [ 0,2] dwSize.X
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# [ 2,2] dwSize.Y
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# [ 4,2] dwCursorPositions.X
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# [ 6,2] dwCursorPositions.Y
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# [ 8,2] wAttributes
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# [10,2] srWindow.Left
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# [12,2] srWindow.Top
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# [14,2] srWindow.Right
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# [16,2] srWindow.Bottom
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# [18,2] dwMaximumWindowSize.X
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# [20,2] dwMaximumWindowSize.Y
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csbi = 0.chr * 22
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return if @@GetConsoleScreenBufferInfo.call(@@hConsoleHandle, csbi) == 0
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csbi
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end
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def self.get_screen_size
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unless csbi = get_console_screen_buffer_info
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return [1, 1]
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end
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csbi[0, 4].unpack('SS').reverse
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end
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def self.cursor_pos
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unless csbi = get_console_screen_buffer_info
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return Reline::CursorPos.new(0, 0)
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end
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x = csbi[4, 2].unpack1('s')
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y = csbi[6, 2].unpack1('s')
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Reline::CursorPos.new(x, y)
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end
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def self.move_cursor_column(val)
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@@SetConsoleCursorPosition.call(@@hConsoleHandle, cursor_pos.y * 65536 + val)
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end
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def self.move_cursor_up(val)
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if val > 0
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y = cursor_pos.y - val
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y = 0 if y < 0
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@@SetConsoleCursorPosition.call(@@hConsoleHandle, y * 65536 + cursor_pos.x)
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elsif val < 0
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move_cursor_down(-val)
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end
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end
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def self.move_cursor_down(val)
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if val > 0
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return unless csbi = get_console_screen_buffer_info
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screen_height = get_screen_size.first
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y = cursor_pos.y + val
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y = screen_height - 1 if y > (screen_height - 1)
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@@SetConsoleCursorPosition.call(@@hConsoleHandle, (cursor_pos.y + val) * 65536 + cursor_pos.x)
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elsif val < 0
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move_cursor_up(-val)
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end
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end
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def self.erase_after_cursor
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return unless csbi = get_console_screen_buffer_info
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attributes = csbi[8, 2].unpack1('S')
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cursor = csbi[4, 4].unpack1('L')
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written = 0.chr * 4
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@@FillConsoleOutputCharacter.call(@@hConsoleHandle, 0x20, get_screen_size.last - cursor_pos.x, cursor, written)
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@@FillConsoleOutputAttribute.call(@@hConsoleHandle, attributes, get_screen_size.last - cursor_pos.x, cursor, written)
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end
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def self.scroll_down(val)
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return if val < 0
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return unless csbi = get_console_screen_buffer_info
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buffer_width, buffer_lines, x, y, attributes, window_left, window_top, window_bottom = csbi.unpack('ssssSssx2s')
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screen_height = window_bottom - window_top + 1
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val = screen_height if val > screen_height
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if @@legacy_console || window_left != 0
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# unless ENABLE_VIRTUAL_TERMINAL,
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# if srWindow.Left != 0 then it's conhost.exe hosted console
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# and puts "\n" causes horizontal scroll. its glitch.
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# FYI irb write from culumn 1, so this gives no gain.
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scroll_rectangle = [0, val, buffer_width, buffer_lines - val].pack('s4')
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destination_origin = 0 # y * 65536 + x
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fill = [' '.ord, attributes].pack('SS')
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@@ScrollConsoleScreenBuffer.call(@@hConsoleHandle, scroll_rectangle, nil, destination_origin, fill)
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else
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origin_x = x + 1
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origin_y = y - window_top + 1
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@@output.write [
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(origin_y != screen_height) ? "\e[#{screen_height};H" : nil,
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"\n" * val,
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(origin_y != screen_height or !x.zero?) ? "\e[#{origin_y};#{origin_x}H" : nil
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].join
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end
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end
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def self.clear_screen
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if @@legacy_console
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return unless csbi = get_console_screen_buffer_info
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buffer_width, _buffer_lines, attributes, window_top, window_bottom = csbi.unpack('ss@8S@12sx2s')
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fill_length = buffer_width * (window_bottom - window_top + 1)
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screen_topleft = window_top * 65536
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written = 0.chr * 4
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@@FillConsoleOutputCharacter.call(@@hConsoleHandle, 0x20, fill_length, screen_topleft, written)
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@@FillConsoleOutputAttribute.call(@@hConsoleHandle, attributes, fill_length, screen_topleft, written)
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@@SetConsoleCursorPosition.call(@@hConsoleHandle, screen_topleft)
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else
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@@output.write "\e[2J" "\e[H"
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end
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end
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def self.set_screen_size(rows, columns)
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raise NotImplementedError
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end
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def self.hide_cursor
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size = 100
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visible = 0 # 0 means false
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cursor_info = [size, visible].pack('Li')
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@@SetConsoleCursorInfo.call(@@hConsoleHandle, cursor_info)
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end
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def self.show_cursor
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size = 100
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visible = 1 # 1 means true
|
|
cursor_info = [size, visible].pack('Li')
|
|
@@SetConsoleCursorInfo.call(@@hConsoleHandle, cursor_info)
|
|
end
|
|
|
|
def self.set_winch_handler(&handler)
|
|
@@winch_handler = handler
|
|
end
|
|
|
|
def self.prep
|
|
# do nothing
|
|
nil
|
|
end
|
|
|
|
def self.deprep(otio)
|
|
# do nothing
|
|
end
|
|
|
|
class KeyEventRecord
|
|
|
|
attr_reader :virtual_key_code, :char_code, :control_key_state, :control_keys
|
|
|
|
def initialize(virtual_key_code, char_code, control_key_state)
|
|
@virtual_key_code = virtual_key_code
|
|
@char_code = char_code
|
|
@control_key_state = control_key_state
|
|
@enhanced = control_key_state & ENHANCED_KEY != 0
|
|
|
|
(@control_keys = []).tap do |control_keys|
|
|
# symbols must be sorted to make comparison is easier later on
|
|
control_keys << :ALT if control_key_state & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED) != 0
|
|
control_keys << :CTRL if control_key_state & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED) != 0
|
|
control_keys << :SHIFT if control_key_state & SHIFT_PRESSED != 0
|
|
end.freeze
|
|
end
|
|
|
|
def char
|
|
@char_code.chr(Encoding::UTF_8)
|
|
end
|
|
|
|
def enhanced?
|
|
@enhanced
|
|
end
|
|
|
|
# Verifies if the arguments match with this key event.
|
|
# Nil arguments are ignored, but at least one must be passed as non-nil.
|
|
# To verify that no control keys were pressed, pass an empty array: `control_keys: []`.
|
|
def matches?(control_keys: nil, virtual_key_code: nil, char_code: nil)
|
|
raise ArgumentError, 'No argument was passed to match key event' if control_keys.nil? && virtual_key_code.nil? && char_code.nil?
|
|
|
|
(control_keys.nil? || [*control_keys].sort == @control_keys) &&
|
|
(virtual_key_code.nil? || @virtual_key_code == virtual_key_code) &&
|
|
(char_code.nil? || char_code == @char_code)
|
|
end
|
|
|
|
end
|
|
end
|