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Add all the files
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Leroy Hopson
parent
d7db117f8b
commit
96e9ddcf79
68 changed files with 9064 additions and 7 deletions
367
addons/godot_xterm/terminal.gd
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367
addons/godot_xterm/terminal.gd
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# Copyright (c) 2020 The GodotXterm authors. All rights reserved.
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# License MIT
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tool
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extends Control
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signal data_sent(data)
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const Const = preload("res://addons/godot_xterm/Constants.gd")
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const Constants = preload("res://addons/godot_xterm/parser/constants.gd")
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const Parser = preload("res://addons/godot_xterm/parser/escape_sequence_parser.gd")
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const Buffer = preload("res://addons/godot_xterm/buffer.gd")
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const Decoder = preload("res://addons/godot_xterm/input/text_decoder.gd")
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const SourceCodeProRegular = preload("res://addons/godot_xterm/fonts/source_code_pro/source_code_pro_regular.tres")
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const SourceCodeProBold = preload("res://addons/godot_xterm/fonts/source_code_pro/source_code_pro_bold.tres")
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const SourceCodeProItalic = preload("res://addons/godot_xterm/fonts/source_code_pro/source_code_pro_italic.tres")
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const SourceCodeProBoldItalic = preload("res://addons/godot_xterm/fonts/source_code_pro/source_code_pro_bold_italic.tres")
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const C0 = Constants.C0
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const C1 = Constants.C1
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const ESCAPE = 27
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const BACKSPACE = 8
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const BEEP = 7
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const SPACE = 32
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const LEFT_BRACKET = 91
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const ENTER = 10
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const BACKSPACE_ALT = 127
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export (Font) var normal_font = SourceCodeProRegular setget _set_normal_font
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export (Font) var bold_font = SourceCodeProBold setget _set_bold_font
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export (Font) var italic_font = SourceCodeProItalic setget _set_italics_font
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export (Font) var bold_italic_font = SourceCodeProBoldItalic setget _set_bold_italics_font
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var buffer
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var alternate_buffer
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var parser
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var decoder
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var cols = 80
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var rows = 24
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var cell: Vector2
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# font flags
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export(int, FLAGS,
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"Bold",
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"Italic", # Not xterm-256color
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"Underlined",
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"Blink",
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"Inverse",
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"Invisible",
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"Strikethrough" # Not xterm-256color
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) var font_flags = Const.FONT_NORMAL
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func _init():
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pass
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func _set_normal_font(font: Font) -> void:
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normal_font = font
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_calculate_cell_size()
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func _set_bold_font(font: Font) -> void:
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bold_font = font
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_calculate_cell_size()
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func _set_italics_font(font: Font) -> void:
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italic_font = font
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_calculate_cell_size()
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func _set_bold_italics_font(font: Font) -> void:
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bold_italic_font = font
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_calculate_cell_size()
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func _calculate_cell_size() -> void:
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var x = 0.0
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var y = 0.0
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var fonts = [normal_font, bold_font, italic_font, bold_italic_font]
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for font in fonts:
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if not font:
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continue
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var size = font.get_string_size("W")
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x = max(x, size.x)
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y = max(y, size.y)
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cell.x = x
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cell.y = y
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func _ready():
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_calculate_cell_size()
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var rect = get_rect()
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var rs = rect_size
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cols = (rect_size.x / cell.x) as int
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rows = (rect_size.y / cell.y) as int
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decoder = Decoder.Utf8ToUtf32.new()
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buffer = Buffer.new(rows, cols)
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alternate_buffer = Buffer.new(rows, cols, true)
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parser = Parser.new()
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# Print handler
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parser.set_print_handler(buffer, "insert_at_cursor")
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# Execute handlers
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parser.set_execute_handler(C0.BEL, self, 'bell')
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parser.set_execute_handler(C0.LF, buffer, 'line_feed')
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parser.set_execute_handler(C0.VT, buffer, 'line_feed')
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parser.set_execute_handler(C0.FF, buffer, 'line_feed')
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parser.set_execute_handler(C0.CR, buffer, 'carriage_return')
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parser.set_execute_handler(C0.BS, buffer, 'backspace')
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parser.set_execute_handler(C0.HT, buffer, 'insert_tab');
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parser.set_execute_handler(C0.SO, self, 'shift_out')
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parser.set_execute_handler(C0.SI, self, 'shift_in')
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parser.set_execute_handler(C1.IND, self, 'index')
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parser.set_execute_handler(C1.NEL, self, 'next_line')
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parser.set_execute_handler(C1.HTS, self, 'tab_set')
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# CSI handlers
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parser.set_csi_handler({'final': '@'}, self, 'insert_chars')
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parser.set_csi_handler({'intermediates': ' ', 'final': '@'}, self, 'scroll_left')
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parser.set_csi_handler({'final': 'A'}, self, 'cursor_up')
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parser.set_csi_handler({'intermediates': ' ', 'final': 'A'}, self, 'scroll_right')
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parser.set_csi_handler({'final': 'B'}, self, 'cursor_down')
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parser.set_csi_handler({'final': 'C'}, self, 'cursor_forward')
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parser.set_csi_handler({'final': 'D'}, self, 'cursor_backward')
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parser.set_csi_handler({'final': 'E'}, self, 'cursor_nextLine')
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parser.set_csi_handler({'final': 'F'}, self, 'cursor_precedingLine')
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parser.set_csi_handler({'final': 'G'}, self, 'cursor_charAbsolute')
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parser.set_csi_handler({'final': 'H'}, buffer, 'cursor_position')
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parser.set_csi_handler({'final': 'I'}, self, 'cursor_forward_tab')
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parser.set_csi_handler({'final': 'J'}, self, 'erase_in_display')
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parser.set_csi_handler({'prefix': '?', 'final': 'J'}, self, 'erase_in_display')
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parser.set_csi_handler({'final': 'K'}, self, 'erase_in_line')
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parser.set_csi_handler({'prefix': '?', 'final': 'K'}, self, 'erase_in_line')
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parser.set_csi_handler({'final': 'L'}, self, 'insert_lines')
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parser.set_csi_handler({'final': 'M'}, self, 'delete_lines')
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parser.set_csi_handler({'final': 'P'}, self, 'delete_chars')
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parser.set_csi_handler({'final': 'S'}, self, 'scroll_up')
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parser.set_csi_handler({'final': 'T'}, self, 'scroll_down')
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parser.set_csi_handler({'final': 'X'}, self, 'erase_chars')
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parser.set_csi_handler({'final': 'Z'}, self, 'cursor_backward_tab')
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parser.set_csi_handler({'final': '`'}, self, 'char_pos_absolute')
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parser.set_csi_handler({'final': 'a'}, self, 'h_position_relative')
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parser.set_csi_handler({'final': 'b'}, self, 'repeat_preceding_character')
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parser.set_csi_handler({'final': 'c'}, self, 'send_device_attributes_primary')
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parser.set_csi_handler({'prefix': '>', 'final': 'c'}, self, 'send_device_attributes_secondary')
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parser.set_csi_handler({'final': 'd'}, self, 'line_pos_absolute')
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parser.set_csi_handler({'final': 'e'}, self, 'v_position_relative')
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parser.set_csi_handler({'final': 'f'}, self, 'h_v_position')
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parser.set_csi_handler({'final': 'g'}, self, 'tab_clear')
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parser.set_csi_handler({'final': 'h'}, self, 'set_mode')
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parser.set_csi_handler({'prefix': '?', 'final': 'h'}, self, 'set_mode_private')
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parser.set_csi_handler({'final': 'l'}, self, 'reset_mode')
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parser.set_csi_handler({'prefix': '?', 'final': 'l'}, self, 'reset_mode_private')
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parser.set_csi_handler({'final': 'm'}, self, 'char_attributes')
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parser.set_csi_handler({'final': 'n'}, self, 'device_status')
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parser.set_csi_handler({'prefix': '?', 'final': 'n'}, self, 'device_status_private')
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parser.set_csi_handler({'intermediates': '!', 'final': 'p'}, self, 'soft_reset')
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parser.set_csi_handler({'intermediates': ' ', 'final': 'q'}, self, 'set_cursor_style')
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parser.set_csi_handler({'final': 'r'}, self, 'set_scroll_region')
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parser.set_csi_handler({'final': 's'}, self, 'save_cursor')
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parser.set_csi_handler({'final': 't'}, self, 'window_options')
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parser.set_csi_handler({'final': 'u'}, self, 'restore_cursor')
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parser.set_csi_handler({'intermediates': '\'', 'final': '}'}, self, 'insert_columns')
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parser.set_csi_handler({'intermediates': '\'', 'final': '~'}, self, 'delete_columns')
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func print(data, start, end):
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print(data.substr(start, end))
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func bell():
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print("The bell signal was emited!")
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func line_feed():
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pass
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func carriage_return():
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print("carriage return!")
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func backspace():
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print("backspace!")
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pass
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func tab():
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pass
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func shift_out():
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pass
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func shift_in():
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pass
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func index():
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pass
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func next_line():
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pass
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func tab_set():
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pass
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func insert_chars(params):
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pass
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func scroll_left(params):
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pass
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func cursor_up(params):
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pass
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func scroll_right(params):
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pass
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func cursor_down(params):
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pass
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func cursor_forward(params):
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pass
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func cursor_backward(params):
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pass
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func cursor_next_line(params):
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pass
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func cursor_preceding_line(params):
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pass
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func cursor_char_absolute(params):
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pass
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func cursor_position(params):
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pass
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func cursor_forward_tab(params):
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pass
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func erase_in_display(params):
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pass
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func erase_in_line(params):
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pass
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func insert_lines(params):
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pass
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func delete_lines(params):
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pass
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func delete_chars(params):
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pass
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func scroll_up(params):
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pass
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func scroll_down(params):
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pass
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func erase_chars(params):
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pass
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func cursor_backward_tab(params):
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pass
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func char_pos_absolute(params):
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pass
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func h_position_relative(params):
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pass
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func repeat_preceding_character(params):
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pass
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func send_device_attributes_primary(params):
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pass
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func send_device_attributes_secondary(params):
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pass
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func line_pos_absolute(params):
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pass
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func v_position_relative(params):
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pass
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func h_v_position(params):
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pass
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func tab_clear(params):
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pass
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func set_mode(params):
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pass
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func set_mode_private(params):
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pass
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func reset_mode(params):
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pass
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func char_attributes(params):
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pass
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func device_status(params):
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pass
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func device_status_private(params):
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pass
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func soft_reset(params):
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pass
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func set_cursor_style(params):
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pass
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func set_scroll_region(params):
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pass
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func save_cursor(params):
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pass
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func window_options(params):
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pass
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func restore_cursor(params):
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pass
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func insert_columns(params):
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pass
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func delete_columns(params):
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pass
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func _input(event):
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if event is InputEventKey and event.pressed:
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accept_event()
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# TODO: Handle more of these.
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if (event.control and event.scancode == KEY_C):
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send_data(PoolByteArray([3]))
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elif event.unicode:
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send_data(PoolByteArray([event.unicode]))
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elif event.scancode == KEY_ENTER:
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send_data(PoolByteArray([ENTER]))
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elif event.scancode == KEY_BACKSPACE:
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send_data(PoolByteArray([BACKSPACE_ALT]))
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elif event.scancode == KEY_ESCAPE:
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send_data(PoolByteArray([27]))
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elif event.scancode == KEY_TAB:
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send_data(PoolByteArray([9]))
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elif OS.get_scancode_string(event.scancode) == "Shift":
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pass
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elif OS.get_scancode_string(event.scancode) == "Control":
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pass
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else:
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push_warning('Unhandled input. scancode: ' + str(OS.get_scancode_string(event.scancode)))
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func send_data(data: PoolByteArray):
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emit_signal("data_sent", data)
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func _draw():
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# Draw the terminal background
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draw_rect(get_rect(), Color(0.0, 0.5, 0.0))
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# Naive method. Draw the entire buffer starting with row 0.
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for row in range(buffer.rows.size()):
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#print("Doing the thing for row: ", row)
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# Draw each CharacterData.
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for col in range(buffer.rows[row].size()):
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var data = buffer.rows[row][col]
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#print("row: ", ((row + 1) * charHeight), " col: ", (col * charWidth))
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_draw_character(col, row, data)
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# Draw the cursor.
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_draw_cursor()
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func _draw_character(col, row, data):
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# Draw the background.
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draw_rect(Rect2(Vector2(col * cell.x, row * cell.y), Vector2(cell.x, cell.y)), data.bg)
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var font
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if data.ff & (1 << Const.FONT_BOLD) and data.ff & (1 << Const.FONT_ITALIC):
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font = bold_italic_font
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elif data.ff & (1 << Const.FONT_BOLD):
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font = bold_font
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elif data.ff & (1 << Const.FONT_ITALIC):
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font = italic_font
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else:
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font = normal_font
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# Draw the character using foreground color.
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draw_char(font, Vector2(col * cell.x, (row + 1) * cell.y), data.ch, '', data.fg)
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func _draw_cursor():
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draw_rect(Rect2(Vector2(buffer.ccol * cell.x, buffer.crow * cell.y), Vector2(cell.x, cell.y)), Color(1.0, 0.0, 1.0))
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func receive_data(data: PoolByteArray):
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var utf32 = []
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var length = decoder.decode(data, utf32)
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parser.parse(utf32, length)
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update()
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