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developer forums

Dark GDK / Help with Keyboard Input

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insanoflex312

Years of Service

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Joined: 31st Aug 2011

Location:

Posted: 1st Sep 2011 05:40

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Ok, in my program, I would like to call a function everytime I press the spacebar, not continuously hold it down. For example, the user presses the space bar, and a function is called once. The user holds it down for a few seconds, and nothing happens. Then the user releases it and presses it again, causing the function to be called. I don't know how I'd go about doing this, so any nudge in the right direction would be helpful. Sorry if I insulted anyone's intelligence.

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Mireben

Years of Service

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Joined: 5th Aug 2008

Location:

Posted: 1st Sep 2011 10:10

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Introduce a boolean variable to store the last status of the space key and call the function only when it changes from false to true.

+ Code Snippet

	bool spaceDown = false; 

	while (LoopGDK())
	{
		if (dbSpaceKey()) {
			if (!spaceDown) someFunction();
			spaceDown = true;
		} else {
			spaceDown = false;
		}
	}

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