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Ghostty for the web with xterm.js API compatibility
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12 kB · 454 lines
TypeScript
at textselect
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// ============================================================================// SGR (Select Graphic Rendition) Types// ============================================================================
/** * SGR attribute tags - identifies the type of attribute * From include/ghostty/vt/sgr.h */export enum SgrAttributeTag { UNSET = 0, UNKNOWN = 1, BOLD = 2, RESET_BOLD = 3, ITALIC = 4, RESET_ITALIC = 5, FAINT = 6, RESET_FAINT = 7, UNDERLINE = 8, RESET_UNDERLINE = 9, BLINK = 10, RESET_BLINK = 11, INVERSE = 12, RESET_INVERSE = 13, INVISIBLE = 14, RESET_INVISIBLE = 15, STRIKETHROUGH = 16, RESET_STRIKETHROUGH = 17, FG_8 = 18, // 8-color (0-7) FG_16 = 19, // 16-color (0-15) FG_256 = 20, // 256-color palette FG_RGB = 21, // RGB color FG_DEFAULT = 22, // Reset to default BG_8 = 23, // Background 8-color BG_16 = 24, // Background 16-color BG_256 = 25, // Background 256-color BG_RGB = 26, // Background RGB BG_DEFAULT = 27, // Reset background UNDERLINE_COLOR_8 = 28, UNDERLINE_COLOR_16 = 29, UNDERLINE_COLOR_256 = 30, UNDERLINE_COLOR_RGB = 31, UNDERLINE_COLOR_DEFAULT = 32,}
export interface RGBColor { r: number; g: number; b: number;}
export type SgrAttribute = | { tag: SgrAttributeTag.BOLD } | { tag: SgrAttributeTag.RESET_BOLD } | { tag: SgrAttributeTag.ITALIC } | { tag: SgrAttributeTag.RESET_ITALIC } | { tag: SgrAttributeTag.FAINT } | { tag: SgrAttributeTag.RESET_FAINT } | { tag: SgrAttributeTag.UNDERLINE } | { tag: SgrAttributeTag.RESET_UNDERLINE } | { tag: SgrAttributeTag.BLINK } | { tag: SgrAttributeTag.RESET_BLINK } | { tag: SgrAttributeTag.INVERSE } | { tag: SgrAttributeTag.RESET_INVERSE } | { tag: SgrAttributeTag.INVISIBLE } | { tag: SgrAttributeTag.RESET_INVISIBLE } | { tag: SgrAttributeTag.STRIKETHROUGH } | { tag: SgrAttributeTag.RESET_STRIKETHROUGH } | { tag: SgrAttributeTag.FG_8; color: number } | { tag: SgrAttributeTag.FG_16; color: number } | { tag: SgrAttributeTag.FG_256; color: number } | { tag: SgrAttributeTag.FG_RGB; color: RGBColor } | { tag: SgrAttributeTag.FG_DEFAULT } | { tag: SgrAttributeTag.BG_8; color: number } | { tag: SgrAttributeTag.BG_16; color: number } | { tag: SgrAttributeTag.BG_256; color: number } | { tag: SgrAttributeTag.BG_RGB; color: RGBColor } | { tag: SgrAttributeTag.BG_DEFAULT } | { tag: SgrAttributeTag.UNDERLINE_COLOR_RGB; color: RGBColor } | { tag: SgrAttributeTag.UNDERLINE_COLOR_DEFAULT } | { tag: SgrAttributeTag.UNKNOWN; params: number[] };
// ============================================================================// Key Encoder Types// ============================================================================
/** * Kitty keyboard protocol flags * From include/ghostty/vt/key/encoder.h */export enum KittyKeyFlags { DISABLED = 0, DISAMBIGUATE = 1 << 0, // Disambiguate escape codes REPORT_EVENTS = 1 << 1, // Report press and release REPORT_ALTERNATES = 1 << 2, // Report alternate key codes REPORT_ALL = 1 << 3, // Report all events REPORT_ASSOCIATED = 1 << 4, // Report associated text ALL = 0x1F, // All flags enabled}
/** * Key encoder options */export enum KeyEncoderOption { CURSOR_KEY_APPLICATION = 0, // DEC mode 1 KEYPAD_KEY_APPLICATION = 1, // DEC mode 66 IGNORE_KEYPAD_WITH_NUMLOCK = 2, // DEC mode 1035 ALT_ESC_PREFIX = 3, // DEC mode 1036 MODIFY_OTHER_KEYS_STATE_2 = 4, // xterm modifyOtherKeys KITTY_KEYBOARD_FLAGS = 5, // Kitty protocol flags}
/** * Key action */export enum KeyAction { RELEASE = 0, PRESS = 1, REPEAT = 2,}
/** * Physical key codes (based on USB HID Usage Tables - Keyboard/Keypad Page 0x07) * Reference: https://www.usb.org/sites/default/files/hut1_21.pdf */export enum Key { // Letters (0x04-0x1D) A = 4, B = 5, C = 6, D = 7, E = 8, F = 9, G = 10, H = 11, I = 12, J = 13, K = 14, L = 15, M = 16, N = 17, O = 18, P = 19, Q = 20, R = 21, S = 22, T = 23, U = 24, V = 25, W = 26, X = 27, Y = 28, Z = 29,
// Numbers (0x1E-0x27) ONE = 30, TWO = 31, THREE = 32, FOUR = 33, FIVE = 34, SIX = 35, SEVEN = 36, EIGHT = 37, NINE = 38, ZERO = 39,
// Special keys (0x28-0x2C) ENTER = 40, ESCAPE = 41, BACKSPACE = 42, TAB = 43, SPACE = 44,
// Punctuation (0x2D-0x38) MINUS = 45, // - and _ EQUAL = 46, // = and + BRACKET_LEFT = 47, // [ and { BRACKET_RIGHT = 48, // ] and } BACKSLASH = 49, // \ and | SEMICOLON = 51, // ; and : QUOTE = 52, // ' and " GRAVE = 53, // ` and ~ COMMA = 54, // , and < PERIOD = 55, // . and > SLASH = 56, // / and ?
// Function keys (0x3A-0x45) CAPS_LOCK = 57, F1 = 58, F2 = 59, F3 = 60, F4 = 61, F5 = 62, F6 = 63, F7 = 64, F8 = 65, F9 = 66, F10 = 67, F11 = 68, F12 = 69,
// Special keys (0x46-0x4E) PRINT_SCREEN = 70, SCROLL_LOCK = 71, PAUSE = 72, INSERT = 73, HOME = 74, PAGE_UP = 75, DELETE = 76, END = 77, PAGE_DOWN = 78,
// Arrow keys (0x4F-0x52) RIGHT = 79, LEFT = 80, DOWN = 81, UP = 82,
// Keypad (0x53-0x63) NUM_LOCK = 83, KP_DIVIDE = 84, // Keypad / KP_MULTIPLY = 85, // Keypad * KP_MINUS = 86, // Keypad - KP_PLUS = 87, // Keypad + KP_ENTER = 88, // Keypad Enter KP_1 = 89, KP_2 = 90, KP_3 = 91, KP_4 = 92, KP_5 = 93, KP_6 = 94, KP_7 = 95, KP_8 = 96, KP_9 = 97, KP_0 = 98, KP_PERIOD = 99, // Keypad .
// International keys (0x64-0x65) NON_US_BACKSLASH = 100, // \ and | on non-US keyboards APPLICATION = 101, // Context menu key // Additional function keys (0x68-0x73) - optional but included for completeness F13 = 104, F14 = 105, F15 = 106, F16 = 107, F17 = 108, F18 = 109, F19 = 110, F20 = 111, F21 = 112, F22 = 113, F23 = 114, F24 = 115,}
/** * Modifier keys */export enum Mods { NONE = 0, SHIFT = 1 << 0, CTRL = 1 << 1, ALT = 1 << 2, SUPER = 1 << 3, // Windows/Command key CAPSLOCK = 1 << 4, NUMLOCK = 1 << 5,}
/** * Key event structure */export interface KeyEvent { action: KeyAction; key: Key; mods: Mods; consumedMods?: Mods; composing?: boolean; utf8?: string; unshiftedCodepoint?: number;}
// ============================================================================// WASM Exports Interface// ============================================================================
/** * Interface for libghostty-vt WASM exports */export interface GhosttyWasmExports extends WebAssembly.Exports { memory: WebAssembly.Memory;
// Memory helpers ghostty_wasm_alloc_opaque(): number; ghostty_wasm_free_opaque(ptr: number): void; ghostty_wasm_alloc_u8_array(len: number): number; ghostty_wasm_free_u8_array(ptr: number, len: number): void; ghostty_wasm_alloc_u16_array(len: number): number; ghostty_wasm_free_u16_array(ptr: number, len: number): void; ghostty_wasm_alloc_u8(): number; ghostty_wasm_free_u8(ptr: number): void; ghostty_wasm_alloc_usize(): number; ghostty_wasm_free_usize(ptr: number): void;
// SGR parser ghostty_sgr_new(allocator: number, parserPtrPtr: number): number; ghostty_sgr_free(parser: number): void; ghostty_sgr_reset(parser: number): void; ghostty_sgr_set_params( parser: number, paramsPtr: number, subsPtr: number, paramsLen: number ): number; ghostty_sgr_next(parser: number, attrPtr: number): boolean; ghostty_sgr_attribute_tag(attrPtr: number): number; ghostty_sgr_attribute_value(attrPtr: number, tagPtr: number): number; ghostty_wasm_alloc_sgr_attribute(): number; ghostty_wasm_free_sgr_attribute(ptr: number): void;
// Key encoder ghostty_key_encoder_new(allocator: number, encoderPtrPtr: number): number; ghostty_key_encoder_free(encoder: number): void; ghostty_key_encoder_setopt( encoder: number, option: number, valuePtr: number ): number; ghostty_key_encoder_encode( encoder: number, eventPtr: number, bufPtr: number, bufLen: number, writtenPtr: number ): number;
// Key event ghostty_key_event_new(allocator: number, eventPtrPtr: number): number; ghostty_key_event_free(event: number): void; ghostty_key_event_set_action(event: number, action: number): void; ghostty_key_event_set_key(event: number, key: number): void; ghostty_key_event_set_mods(event: number, mods: number): void; ghostty_key_event_set_utf8(event: number, ptr: number, len: number): void;
// Terminal ghostty_terminal_new(cols: number, rows: number): TerminalHandle; ghostty_terminal_new_with_config( cols: number, rows: number, configPtr: number ): TerminalHandle; ghostty_terminal_free(terminal: TerminalHandle): void; ghostty_terminal_write( terminal: TerminalHandle, dataPtr: number, dataLen: number ): void; ghostty_terminal_resize( terminal: TerminalHandle, cols: number, rows: number ): void; ghostty_terminal_get_cols(terminal: TerminalHandle): number; ghostty_terminal_get_rows(terminal: TerminalHandle): number; ghostty_terminal_get_cursor_x(terminal: TerminalHandle): number; ghostty_terminal_get_cursor_y(terminal: TerminalHandle): number; ghostty_terminal_get_cursor_visible(terminal: TerminalHandle): boolean; ghostty_terminal_is_dirty(terminal: TerminalHandle): boolean; ghostty_terminal_is_row_dirty(terminal: TerminalHandle, row: number): boolean; ghostty_terminal_clear_dirty(terminal: TerminalHandle): void; ghostty_terminal_get_line( terminal: TerminalHandle, row: number, bufPtr: number, bufLen: number ): number; ghostty_terminal_get_scrollback_line( terminal: TerminalHandle, offset: number, bufPtr: number, bufLen: number ): number; ghostty_terminal_get_scrollback_length(terminal: TerminalHandle): number;}
// ============================================================================// Terminal Types// ============================================================================
/** * Opaque terminal pointer (WASM memory address) */export type TerminalHandle = number;
/** * Cell structure matching ghostty_cell_t in C (12 bytes) */export interface GhosttyCell { codepoint: number; // u32 (Unicode codepoint) fg_r: number; // u8 (foreground red) fg_g: number; // u8 (foreground green) fg_b: number; // u8 (foreground blue) bg_r: number; // u8 (background red) bg_g: number; // u8 (background green) bg_b: number; // u8 (background blue) flags: number; // u8 (style flags bitfield) width: number; // u8 (character width: 1=normal, 2=wide, etc.)}
/** * RGB color */export interface RGB { r: number; g: number; b: number;}
/** * Cell style flags (bitfield) */export enum CellFlags { BOLD = 1 << 0, ITALIC = 1 << 1, UNDERLINE = 1 << 2, STRIKETHROUGH = 1 << 3, INVERSE = 1 << 4, INVISIBLE = 1 << 5, BLINK = 1 << 6, FAINT = 1 << 7,}
/** * Cursor position and visibility */export interface Cursor { x: number; y: number; visible: boolean;}
/** * Terminal configuration (passed to ghostty_terminal_new_with_config) */export interface TerminalConfig { scrollback_limit: number; // Number of scrollback lines (default: 10,000) fg_color: RGB; // Default foreground color bg_color: RGB; // Default background color}