juglans 0.2.16

Compiler and runtime for Juglans Workflow Language
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# std/device.jg — Device Control Library
#
# Keyboard/mouse simulation, event listening, and screen capture.
#
# Usage:
#   libs: ["std/device.jg"]
#
#   [_]: device.click(x=100, y=200)
#   [_]: device.type(text="Hello")
#   [_]: device.hotkey(keys=["meta", "c"])
#   [pos]: device.cursor()
#   [size]: device.screen()
#   [_]: device.capture(path="shot.png")
#   [_]: device.listen_keys(on_press=[handler])

# --- Keyboard ---

# Tap a single key
[tap(key)]: key_tap(key=key)

# Key combination (e.g. Cmd+C)
[hotkey(keys)]: key_combo(keys=keys)

# Type text string
[type(text, delay_ms)]: type_text(text=text, delay_ms=default(delay_ms, 0))

# --- Mouse ---

# Move to (x, y) and click
[click(x, y, button)]: {
  mouse_move(x=x, y=y)
  mouse_click(button=default(button, "left"))
}

# Double click
[double_click(x, y, button)]: {
  mouse_move(x=x, y=y)
  mouse_click(button=default(button, "left"), count=2)
}

# Right click
[right_click(x, y)]: {
  mouse_move(x=x, y=y)
  mouse_click(button="right")
}

# Drag from (x1,y1) to (x2,y2)
[drag(x1, y1, x2, y2, button, duration_ms)]: mouse_drag(x1=x1, y1=y1, x2=x2, y2=y2, button=default(button, "left"), duration_ms=default(duration_ms, 300))

# Scroll (y>0 up, y<0 down)
[scroll(y, x)]: mouse_scroll(y=y, x=default(x, 0))

# Get cursor position → {x, y}
[cursor()]: mouse_position()

# Move cursor without clicking
[move(x, y)]: mouse_move(x=x, y=y)

# --- Screen ---

# Screen dimensions → {width, height}
[screen()]: screen_size()

# Screenshot → {path, width, height}
[capture(path, x, y, w, h)]: screenshot(path=path, x=default(x, 0), y=default(y, 0), w=default(w, 0), h=default(h, 0))

# --- Listeners (callback handler style) ---

# Listen keyboard events — on_press=[handler_func]
# handler receives (key, modifiers) params
[listen_keys(on_press, keys, timeout_ms)]: key_listen(on_press=on_press, keys=default(keys, []), timeout_ms=default(timeout_ms, 0))

# Listen mouse events — on_click=[handler_func], on_move=[handler_func]
# click handler receives (button, x, y), move handler receives (x, y)
[listen_mouse(on_click, on_move, timeout_ms)]: mouse_listen(on_click=on_click, on_move=default(on_move, ""), timeout_ms=default(timeout_ms, 0))