Lingo in a Nutshell

Mouse Properties

Numerous system properties provide information about the current mouse button state, the last mouse click event, and the current mouse position. Most of these events can be tested but not set. Table 9-5 summarizes all the system properties related to the mouse button state, and Table 9-6 summarizes the system properties related to the position of the mouse cursor.

Table 9-5. Mouse Button State System Properties

Property Name	Usage	Left Button	Right Button
[a]
[b]
the buttonStyle	Determines whether mouseUp and rightMouseUp event are sent to other sprites or only to the frame following a mouseUpOutside event.	•	•
the clickLoc	Point on stage where mouse was last clicked. See Chapter 5, Coordinates, Alignment, and Registration Points, in Director in a Nutshell.	•	•
the clickOn	Sprite number of last mouse-opaque sprite clicked, or 0 (zero) to indicate the Stage.[a]	•	•
the currentSpriteNum	Sprite number of the sprite to which the current Lingo handler is attached.[a]	•	•
the doubleClick	Boolean indicating whether last mouse event constituted a double-click.	•	•
the emulateMultiButtonMouse	Boolean indicating whether to treat Control-clicks as right mouse clicks on Macintosh.		•
the lastClick	Time (in ticks) since last mouse click. See Chapter 11.	•	•
the lastEvent	Time (in ticks) since last mouse click, mouse roll, or key press. See Chapter 11.	•	•
the mouseDown	Boolean indicating whether either mouse button (left or right) is depressed. ...