Change backround colour of pushbutton to black in GUI

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Gry 2014-11-9

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回答： Gry 2014-11-12

Hi!

I have created a GUI with a piano in matlab. My problem is I want the colour of the pushbuttons at top to be black to make it look more like a Piano, but I'm only able to change the frame colour not the backround colour.

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Answer 1

Jan 2014-11-9

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What is the "frame color"? You can set the 'backgorundcolor' of buttons. And when I open your FIG file, the buttons are black.

Are you running this on a Mac, where the button colors are controlled by the operating system?

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Gry 2014-11-10

Yes I'm using a Macbook air! When I open the figure only the frame of the button is black Will try to open my m.file on a W7

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Answer 2

matt dash 2014-11-10

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Instead of setting the BackgroundColor property, you can use the CData property to superimpose an image onto your button. (This at least worked on Macs several years ago, i haven't tried it recently) If you can draw the button you want, e.g. in photoshop, you can then import it to use on your button.

As a test, try setting the CData property to zeros(m,n,3) where m and n are the width and height of your button in pixels.

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Gry 2014-11-11

What if you only want the colour of a pushbutton to change temporarily when you click it. Then go back to normal colour once you click another button?

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Answer 3

Gry 2014-11-12

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What if you only want the colour of a pushbutton to change temporarily when you click it. Then go back to normal colour once you click another button while the colour of the next pushbutton you click change?