Ues waitforbuttonpress for key press only

Question

Michael Andersson 2020-9-25

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/599899-ues-waitforbuttonpress-for-key-press-only

回答： Ameer Hamza 2020-9-25

I am trying to cycle through a few different figures within the same figure window for presenting purposes and with loops, the waitforbuttonpress does work. However I want to be able to use the mouse to zoom and stretch my plots which I can’t do now because a mouse click changes plot. Is it possible for the waitforbuttonpress function to only accept keyboard presses.

If there is any other methods of switching between figures (increment a counter or pause the program with a key press), that would greatly help.

Thanks

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Answer 1

Ameer Hamza 2020-9-25

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/599899-ues-waitforbuttonpress-for-key-press-only#answer_500485

Instead of waitforbuttonpress, use KeyPress callback for the figure object: https://www.mathworks.com/help/matlab/ref/matlab.ui.figure-properties.html#buiwuyk-1-KeyPressFcn. This callback only gets executed when a key is pressed on the keybaord.