ghostty/src/terminal/ansi.zig
2022-06-25 10:06:40 -07:00

97 lines
2.6 KiB
Zig

/// 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,
/// Bell
BEL = 0x07,
/// Backspace
BS = 0x08,
// Horizontal tab
HT = 0x09,
/// Line feed
LF = 0x0A,
/// Vertical Tab
VT = 0x0B,
/// Carriage return
CR = 0x0D,
/// Shift out
SO = 0x0E,
/// Shift in
SI = 0x0F,
};
/// 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.
_,
};
/// Modes that can be set with with Set Mode (SM) (ESC [ h). The enum
/// values correspond to the `?`-prefixed modes, since those are the ones
/// of primary interest. The enum value is the mode value.
pub const Mode = enum(u16) {
/// If set, the origin of the coordinate system is relative to the
/// current scroll region. If set the cursor is moved to the top left of
/// the current scroll region.
origin = 6,
/// Bracket clipboard paste contents in delimiter sequences.
///
/// When pasting from the (e.g. system) clipboard add "ESC [ 2 0 0 ~"
/// before the clipboard contents and "ESC [ 2 0 1 ~" after the clipboard
/// contents. This allows applications to distinguish clipboard contents
/// from manually typed text.
bracketed_paste = 2004,
// Non-exhaustive so that @intToEnum never fails for unsupported modes.
_,
};
/// The device attribute request type (ESC [ c).
pub const DeviceAttributeReq = enum {
primary, // Blank
secondary, // >
tertiary, // =
};
/// The device status request type (ESC [ n).
pub const DeviceStatusReq = enum(u16) {
operating_status = 5,
cursor_position = 6,
// Non-exhaustive so that @intToEnum never fails for unsupported modes.
_,
};
/// 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,
};
}
};