Adobe 65036570 Scripting Guide - Page 206

ADOBE DIRECTOR 11.0 169 Scripting Dictionary When a key is released, Lingo searches these locations, in order, for an on keyUp handler: primary event handler, editable field sprite script, field cast member script, frame script, and movie script. For sprites and cast members, on keyUp handlers work only for editable strings. A keyUp event on a different type of cast member, such as a bitmap, has no effect. If releasing a key should always have the same response throughout the movie, set keyUpScript. Lingo stops searching when it reaches the first location that has an on keyUp handler, unless the handler includes the pass command to explicitly pass the keyUp message on to the next location. The on keyUp event handler is a good place to put Lingo that implements keyboard shortcuts or other interface features that you want to occur when the user releases keys. When the movie plays back as an applet, an on keyUp handler always traps key presses, even if the handler is empty. If the user is typing in an editable field, an on keyUp handler attached to the field must include the pass command for the key to appear in the field. Where you place an on keyUp handler can affect when it runs, as follows: • To apply the handler to a specific editable field sprite, put it in a behavior. • To apply the handler to an editable field cast member in general, put it in a cast member script. • To apply the handler to an entire frame, put it in a frame script. • To apply the handler throughout the entire movie, put it in a movie script. You can override an on keyUp handler by placing an alternative on keyUp handler in a location that Lingo checks before it gets to the handler you want to override. For example, you can override an on keyUp handler assigned to a cast member by placing an on keyUp handler in a sprite script. Example This handler checks whether the Return key was released and if it was, sends the playhead to another frame: -- Lingo syntax on keyUp if (_key.key = RETURN) then _movie.go("AddSum") end keyUp // JavaScript syntax function keyUp() { if (_key.keyCode == 36) { _movie.go("AddSum"); } } See also on keyDown, keyDownScript, keyUpScript on mouseDown (event handler) Usage -- Lingo syntax on mouseDown statement(s) end // JavaScript syntax function mouseDown() {