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