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/// C0 (7-bit) control characters from ANSI.
///
/// This is not complete, control characters are only added to this
/// as the terminal emulator handles them.
pub const C0 = enum(u7) {
/// Null
NUL = 0x00,
/// Start of heading
SOH = 0x01,
/// Start of text
STX = 0x02,
/// Enquiry
ENQ = 0x05,
/// Bell
BEL = 0x07,
/// Backspace
BS = 0x08,
// Horizontal tab
HT = 0x09,
/// Line feed
LF = 0x0A,
/// Vertical Tab
VT = 0x0B,
/// Form feed
FF = 0x0C,
/// Carriage return
CR = 0x0D,
/// Shift out
SO = 0x0E,
/// Shift in
SI = 0x0F,
// Non-exhaustive so that @intToEnum never fails since the inputs are
// user-generated.
_,
};
/// The SGR rendition aspects that can be set, sometimes known as attributes.
/// The value corresponds to the parameter value for the SGR command (ESC [ m).
pub const RenditionAspect = enum(u16) {
default = 0,
bold = 1,
default_fg = 39,
default_bg = 49,
// Non-exhaustive so that @intToEnum never fails since the inputs are
// user-generated.
_,
};
/// The device attribute request type (ESC [ c).
pub const DeviceAttributeReq = enum {
primary, // Blank
secondary, // >
tertiary, // =
};
/// Possible cursor styles (ESC [ q)
pub const CursorStyle = enum(u16) {
default = 0,
blinking_block = 1,
steady_block = 2,
blinking_underline = 3,
steady_underline = 4,
blinking_bar = 5,
steady_bar = 6,
// Non-exhaustive so that @intToEnum never fails for unsupported modes.
_,
/// True if the cursor should blink.
pub fn blinking(self: CursorStyle) bool {
return switch (self) {
.blinking_block, .blinking_underline, .blinking_bar => true,
else => false,
};
}
};
/// The status line type for DECSSDT.
pub const StatusLineType = enum(u16) {
none = 0,
indicator = 1,
host_writable = 2,
// Non-exhaustive so that @intToEnum never fails for unsupported values.
_,
};
/// The display to target for status updates (DECSASD).
pub const StatusDisplay = enum(u16) {
main = 0,
status_line = 1,
};
/// The possible modify key formats to ESC[>{a};{b}m
/// Note: this is not complete, we should add more as we support more
pub const ModifyKeyFormat = union(enum) {
legacy: void,
cursor_keys: void,
function_keys: void,
other_keys: enum { none, numeric_except, numeric },
};
/// The protection modes that can be set for the terminal. See DECSCA and
/// ESC V, W.
pub const ProtectedMode = enum {
off,
iso, // ESC V, W
dec, // CSI Ps " q
};
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