1 Style Attributes

9.2.900

Racket

1 Style Attributes🔗ℹ

Dominik Pantůček <dominik.pantucek@trustica.cz>

This module provide a consistent programming interface for storing common terminal style flags to other modules.

The following attribute flags are tracked:

Bits\|Name	1	dirty	1	bold	2	underline	1	italic	2	blink	1	faint
	0	clean	0	normal	0	none	0	regular	0	no	0	normal
	1	dirty	1	bold	1	single	1	italic	1	slow	1	faint
					2	double			2	fast
					3	invalid			3	invalid

1.1 Dirty Flag🔗ℹ

value
tcf-dirty-bits : fixnum?

Value: 1

value
tcf-dirty-shift : fixnum?

Value: 0

value
tcf-dirty-mask : fixnum?

Value: 1

value
tcf-dirty-false : fixnum?

Value: 0

value
tcf-dirty-true : fixnum?

Value: 1

procedure
(reset-tcf-dirty v) → fixnum?
v : fixnum?

Clears the tcf-dirty-mask from v.

procedure
(set-tcf-dirty v b) → fixnum?
v : fixnum?
b : fixnum?

Sets the tcf-dirty-mask to b in v.

procedure
(tcf-dirty=? v b) → boolean?
v : fixnum?
b : fixnum?

Returns true if given b is set in v. Takes into account only the dirty bit.

1.2 Bold Flag🔗ℹ

value
tcf-bold-bits : fixnum?

Value: 1

value
tcf-bold-shift : fixnum?

Value: 1

value
tcf-bold-mask : fixnum?

Value: 2

value
tcf-bold-false : fixnum?

Value: 0

value
tcf-bold-true : fixnum?

Value: 2

procedure
(reset-tcf-bold v) → fixnum?
v : fixnum?

Clears the tcf-bold-mask from v.

procedure
(set-tcf-bold v b) → fixnum?
v : fixnum?
b : fixnum?

Sets the tcf-bold-mask to b in v.

procedure
(tcf-bold=? v b) → boolean?
v : fixnum?
b : fixnum?

Returns true if given b is set in v. Takes into account only the bold bit.

1.3 Underline Flags🔗ℹ

value
tcf-underline-bits : fixnum?

Value: 2

value
tcf-underline-shift : fixnum?

Value: 2

value
tcf-underline-mask : fixnum?

Value: 12

value
tcf-underline-none : fixnum?

Value: 0

value
tcf-underline-single : fixnum?

Value: 4

value
tcf-underline-double : fixnum?

Value: 8

value
tcf-underline-invalid : fixnum?

Value: 12

procedure
(reset-tcf-underline v) → fixnum?
v : fixnum?

Clears the tcf-underline-mask from v.

procedure
(set-tcf-underline v b) → fixnum?
v : fixnum?
b : fixnum?

Sets the tcf-underline-mask to b in v.

procedure
(tcf-underline=? v b) → boolean?
v : fixnum?
b : fixnum?

Returns true if given b is set in v. Takes into account only the underline bits.

1.4 Italic Flag🔗ℹ

value
tcf-italic-bits : fixnum?

Value: 1

value
tcf-italic-shift : fixnum?

Value: 4

value
tcf-italic-mask : fixnum?

Value: 16

value
tcf-italic-false : fixnum?

Value: 0

value
tcf-italic-true : fixnum?

Value: 16

procedure
(reset-tcf-italic v) → fixnum?
v : fixnum?

Clears the tcf-italic-mask from v.

procedure
(set-tcf-italic v b) → fixnum?
v : fixnum?
b : fixnum?

Sets the tcf-italic-mask to b in v.

procedure
(tcf-italic=? v b) → boolean?
v : fixnum?
b : fixnum?

Returns true if given b is set in v. Takes into account only the italic bit.

1.5 Blink Flags🔗ℹ

value
tcf-blink-bits : fixnum?

Value: 2

value
tcf-blink-shift : fixnum?

Value: 5

value
tcf-blink-mask : fixnum?

Value: 96

value
tcf-blink-none : fixnum?

Value: 0

value
tcf-blink-slow : fixnum?

Value: 32

value
tcf-blink-fast : fixnum?

Value: 64

value
tcf-blink-invalid : fixnum?

Value: 96

procedure
(reset-tcf-blink v) → fixnum?
v : fixnum?

Clears the tcf-blink-mask from v.

procedure
(set-tcf-blink v b) → fixnum?
v : fixnum?
b : fixnum?

Sets the tcf-blink-mask to b in v.

procedure
(tcf-blink=? v b) → boolean?
v : fixnum?
b : fixnum?

Returns true if given b is set in v. Takes into account only the blink bits.

1.6 Faint Flag🔗ℹ

value
tcf-faint-bits : fixnum?

Value: 1

value
tcf-faint-shift : fixnum?

Value: 7

value
tcf-faint-mask : fixnum?

Value: 128

value
tcf-faint-false : fixnum?

Value: 0

value
tcf-faint-true : fixnum?

Value: 128

procedure
(reset-tcf-faint v) → fixnum?
v : fixnum?

Clears the tcf-faint-mask from v.

procedure
(set-tcf-faint v b) → fixnum?
v : fixnum?
b : fixnum?

Sets the tcf-faint-mask to b in v.

procedure
(tcf-faint=? v b) → boolean?
v : fixnum?
b : fixnum?

Returns true if given b is set in v. Takes into account only the faint bit.

1.7 Strikethrough Flag🔗ℹ

value
tcf-strikethrough-bits : fixnum?

Value: 1

value
tcf-strikethrough-shift : fixnum?

Value: 8

value
tcf-strikethrough-mask : fixnum?

Value: 256

value
tcf-strikethrough-false : fixnum?

Value: 0

value
tcf-strikethrough-true : fixnum?

Value: 256

procedure
(reset-tcf-strikethrough v) → fixnum?
v : fixnum?

Clears the tcf-strikethrough-mask from v.

procedure
(set-tcf-strikethrough v b) → fixnum?
v : fixnum?
b : fixnum?

Sets the tcf-strikethrough-mask to b in v.

procedure
(tcf-strikethrough=? v b) → boolean?
v : fixnum?
b : fixnum?

Returns true if given b is set in v. Takes into account only the strikethrough bit.

1.8 Wide Flag🔗ℹ

value
tcf-wide-bits : fixnum?

Value: 1

value
tcf-wide-shift : fixnum?

Value: 9

value
tcf-wide-mask : fixnum?

Value: 512

value
tcf-wide-false : fixnum?

Value: 0

value
tcf-wide-true : fixnum?

Value: 512

procedure
(reset-tcf-wide v) → fixnum?
v : fixnum?

Clears the tcf-wide-mask from v.

procedure
(set-tcf-wide v b) → fixnum?
v : fixnum?
b : fixnum?

Sets the tcf-wide-mask to b in v.

procedure
(tcf-wide=? v b) → boolean?
v : fixnum?
b : fixnum?

Returns true if given b is set in v. Takes into account only the wide bit.

1.9 Generic Masks🔗ℹ

value
tcf-except-dirty-mask : fixnum?

Value: 1022

value
tcf-mask : fixnum?

Value: 1023

1	Style Attributes
2	Color Support
3	Universal Buffer Struct
4	Single Cell Handling
5	Low-Level Output
6	Programmatic Output
7	Drawing
8	Buffers Overlay

1.1	Dirty Flag
1.2	Bold Flag
1.3	Underline Flags
1.4	Italic Flag
1.5	Blink Flags
1.6	Faint Flag
1.7	Strikethrough Flag
1.8	Wide Flag
1.9	Generic Masks