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Preventing scaling whilst delivering a message

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I have an application wherein the user must do something first before they can scale items.

 

I know how to lockScale, which might suffice, but I might want to show the resize cursor, yet display a message (and/or play a sound, or something else) when the user actually tries to do the resize.

 

Is this possible? How might I implement this?

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If lockScale is true, the scale cursor won't show up and there isn't a simple edit to change that. You'd need to alter the source code for that (feel free to do so).

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Well, if I leave lockScale false (default), can I instead intercept the onScale command and prevent it from continuing?

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You're welcome to add conditional logic to the onPressScale(), onPressStretchH(), and/or onPressStretchV() methods, sure.

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