mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
435 lines
14 KiB
Ruby
435 lines
14 KiB
Ruby
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 = []
|
|
|
|
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] ],
|
|
]
|
|
|
|
def self.process_key_event(repeat_count, virtual_key_code, virtual_scan_code, char_code, control_key_state)
|
|
|
|
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
|
|
next if @@WaitForSingleObject.(@@hConsoleInputHandle, 100) != 0 # max 0.1 sec
|
|
next if @@GetNumberOfConsoleInputEvents.(@@hConsoleInputHandle, num_of_events) == 0 or num_of_events.unpack1('L') == 0
|
|
input_record = 0.chr * 18
|
|
read_event = 0.chr * 4
|
|
if @@ReadConsoleInputW.(@@hConsoleInputHandle, input_record, 1, read_event) != 0
|
|
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
|
|
|
|
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 @@input_buf.empty?
|
|
false
|
|
elsif @@kbhit.call == 0
|
|
true
|
|
else
|
|
false
|
|
end
|
|
end
|
|
|
|
def self.get_console_screen_buffer_info
|
|
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.zero?
|
|
screen_height = get_screen_size.first
|
|
val = screen_height - 1 if val > (screen_height - 1)
|
|
scroll_rectangle = [0, val, get_screen_size.last, get_screen_size.first].pack('s4')
|
|
destination_origin = 0 # y * 65536 + x
|
|
fill = [' '.ord, 0].pack('SS')
|
|
@@ScrollConsoleScreenBuffer.call(@@hConsoleHandle, scroll_rectangle, nil, destination_origin, fill)
|
|
end
|
|
|
|
def self.clear_screen
|
|
return unless csbi = get_console_screen_buffer_info
|
|
buffer_width = csbi[0, 2].unpack1('S')
|
|
attributes = csbi[8, 2].unpack1('S')
|
|
_window_left, window_top, _window_right, window_bottom = *csbi[10,8].unpack('S*')
|
|
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)
|
|
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
|