Module: reefvision.event

Source: ./reefvision/event.reef

Overview

reefvision.event — KeyCode, KeyEvent, MouseEvent, Event, toolkit command IDs

Design §7.5 + Phase 2 mouse. Commands: 0 = none, 1–99 toolkit, 100+ app. No ui/gameui. Bytes decoded by reefvision.input (keys + SGR mouse).

Types

KeyCode (enum)

Char payload lives on KeyEvent.ch (Unicode code point when code is Char).

Variants:

Char
Enter
Esc
Tab
BackTab
Backspace
Delete
Left
Right
Up
Down
Home
End
PageUp
PageDown
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
Unknown

KeyEvent

Fields:

Name	Type
`code`	`KeyCode`
`ch`	`int`
`ctrl`	`bool`
`alt`	`bool`
`shift`	`bool`

MouseButton (enum)

Variants:

None
Left
Middle
Right
WheelUp
WheelDown

MouseEvent

Cell coordinates are 0-based (terminal SGR reports are 1-based).

Fields:

Name	Type
`x`	`int`
`y`	`int`
`button`	`MouseButton`
`pressed`	`bool`
`motion`	`bool`
`ctrl`	`bool`
`alt`	`bool`
`shift`	`bool`

EventKind (enum)

Variants:

Key
Mouse
Command
Resize
Quit

Event

Fields:

Name	Type
`kind`	`EventKind`
`key`	`KeyEvent`
`mouse`	`MouseEvent`
`command`	`int`
`resize_w`	`int`
`resize_h`	`int`

Functions

`fn CMD_NONE(): int`

`fn CMD_OK(): int`

`fn CMD_CANCEL(): int`

`fn CMD_YES(): int`

`fn CMD_NO(): int`

`fn CMD_CLOSE(): int`

`fn CMD_QUIT(): int`

`fn CMD_MINIMIZE(): int`

`fn CMD_MAXIMIZE(): int`

`fn key_char(): KeyCode`

`fn key_enter(): KeyCode`

`fn key_esc(): KeyCode`

`fn key_tab(): KeyCode`

`fn key_backtab(): KeyCode`

`fn key_backspace(): KeyCode`

`fn key_delete(): KeyCode`

`fn key_left(): KeyCode`

`fn key_right(): KeyCode`

`fn key_up(): KeyCode`

`fn key_down(): KeyCode`

`fn key_home(): KeyCode`

`fn key_end(): KeyCode`

`fn key_page_up(): KeyCode`

`fn key_page_down(): KeyCode`

`fn key_f(n: int): KeyCode`

`fn key_unknown(): KeyCode`

`fn keycode_tag(k: KeyCode): int`

Stable tag for equality / tests (Char=0 … Unknown=27).

`fn keycode_eq(a: KeyCode, b: KeyCode): bool`

`fn empty_key(): KeyEvent`

`fn key_event(code: KeyCode, ch: int, ctrl: bool, alt: bool, shift: bool): KeyEvent`

`fn key_event_plain(code: KeyCode): KeyEvent`

`fn key_event_char(cp: int): KeyEvent`

`fn key_event_ctrl_letter(letter: int): KeyEvent`

Ctrl+letter: ch is uppercase 'A'..'Z' (65..90). Ctrl-C → ch=67, ctrl=true.

`fn keyevent_eq(a: KeyEvent, b: KeyEvent): bool`

`fn empty_mouse(): MouseEvent`

`fn mouse_none(): MouseButton`

`fn mouse_left(): MouseButton`

`fn mouse_middle(): MouseButton`

`fn mouse_right(): MouseButton`

`fn mouse_wheel_up(): MouseButton`

`fn mouse_wheel_down(): MouseButton`

`fn mouse_button_eq(a: MouseButton, b: MouseButton): bool`

`fn mouse_event(x: int, y: int, button: MouseButton, pressed: bool, motion: bool, ctrl: bool, alt: bool, shift: bool): MouseEvent`

`fn event_key(ke: KeyEvent): Event`

`fn event_mouse(me: MouseEvent): Event`

`fn event_command(cmd: int): Event`

`fn event_resize(w: int, h: int): Event`

`fn event_quit(): Event`

`fn is_key_event(e: Event): bool`

`fn is_mouse_event(e: Event): bool`

`fn is_command_event(e: Event): bool`

`fn is_resize_event(e: Event): bool`

`fn is_quit_event(e: Event): bool`

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