godot-xterm/addons/godot_xterm/buffer/attribute_data.gd
2020-05-17 17:32:06 +07:00

127 lines
3.4 KiB
GDScript

# Copyright (c) 2018 The xterm.js authors. All rights reserved.
# Ported to GDScript by the GodotXterm authors.
# License MIT
extends Reference
const Constants = preload("res://addons/godot_xterm/buffer/constants.gd")
const Attributes = Constants.Attributes
const FgFlags = Constants.FgFlags
const BgFlags = Constants.BgFlags
const UnderlineStyle = Constants.UnderlineStyle
var fg = 0
var bg = 0
var extended = ExtendedAttrs.new()
# flags
func is_inverse() -> int:
return fg & FgFlags.INVERSE
func is_bold() -> int:
return fg & FgFlags.BOLD
func is_underline() -> int:
return fg & FgFlags.UNDERLINE
func is_blink() -> int:
return fg & FgFlags.BLINK
func is_invisible() -> int:
return fg & FgFlags.INVISIBLE
func is_italic() -> int:
return fg & BgFlags.ITALIC
func is_dim() -> int:
return fg & BgFlags.DIM
# color modes
func get_fg_color_mode() -> int:
return fg & Attributes.CM_MASK
func get_bg_color_mode() -> int:
return bg & Attributes.CM_MASK
func is_fg_rgb() -> bool:
return (fg & Attributes.CM_MASK) == Attributes.CM_RGB
func is_bg_rgb() -> bool:
return (bg & Attributes.CM_MASK) == Attributes.CM_RGB
func is_fg_palette() -> bool:
return (fg & Attributes.CM_MASK) == Attributes.CM_P16 or (fg & Attributes.CM_MASK) == Attributes.CM_P256
func is_bg_palette() -> bool:
return (bg & Attributes.CM_MASK) == Attributes.CM_P16 or (bg & Attributes.CM_MASK) == Attributes.CM_P256
func is_fg_default() -> bool:
return (fg & Attributes.CM_MASK) == 0
func is_bg_default() -> bool:
return (bg & Attributes.CM_MASK) == 0
func is_attribute_default() -> bool:
return fg == 0 && bg == 0
func get_fg_color() -> int:
match fg & Attributes.CM_MASK:
Attributes.CM_P16, Attributes.CM_P256:
return fg & Attributes.PCOLOR_MASK
Attributes.CM_RGB:
return fg & Attributes.RGB_MASK
_:
return -1
func has_extended_attrs() -> int:
return bg & BgFlags.HAS_EXTENDED
func get_underline_color() -> int:
if bg & BgFlags.HAS_EXTENDED and ~extended.underline_color:
match extended.underline_color & Attributes.CM_MASK:
Attributes.CM_P16, Attributes.CM_P256:
return extended.underline_color & Attributes.PCOLOR_MASK
Attributes.CM_RGB:
return extended.underline_color & Attributes.RGB_MASK
_:
return get_fg_color()
else:
return get_fg_color()
func get_underline_color_mode() -> int:
if bg & BgFlags.HAS_EXTENDED and ~extended.underline_color:
return extended.underline_color & Attributes.CM_MASK
else:
return get_fg_color_mode()
func is_underline_color_rgb() -> bool:
if bg & BgFlags.HAS_EXTENDED and ~extended.underline_color:
return extended.underline_color & Attributes.CM_MASK == Attributes.CM_RGB
else:
return is_fg_rgb()
func is_underline_color_palette() -> bool:
if bg & BgFlags.HAS_EXTENDED and ~extended.underline_color:
return extended.underline_color & Attributes.CM_MASK == Attributes.CM_P16 \
or extended.underline_color & Attributes.CM_MASK == Attributes.CM_P256
else:
return is_fg_palette()
func is_underline_color_default() -> bool:
if bg & BgFlags.HAS_EXTENDED and ~extended.underline_color:
return extended.underline_color & Attributes.CM_MASK == 0
else:
return is_fg_default()
func get_underline_style():
if fg & FgFlags.UNDERLINE:
return extended.underline_style if bg & BgFlags.HAS_EXTENDED else UnderlineStyle.SINGLE
else:
return UnderlineStyle.NONE
class ExtendedAttrs:
var underline_style = UnderlineStyle.NONE
var underline_color: int = -1
func _init():
underline_style