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Asked: 2026-05-29T08:55:51+00:00

I have an application that has two buttons, and I want to detect when

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I have an application that has two buttons, and I want to detect when both buttons are pressed at the same time.

I have installed another mouse on my Ubuntu 10.04 computer and enabled the second pointer following these steps: http://ao2.it/en/blog/2010/01/19/poor-mans-multi-touch-using-multiple-mice-xorg
I’ve executed the example there (demo-paint) and I can perform simultaneous independent drawings with each mouse.

But on my Qt application, if I keep Button1 pressed with mouse1 and move mouse2 and press button2, button1 is immediately unpressed, so I can’t keep both pressed at the same time.

Is there anyway to allow both buttons to keep pressed at the same time?

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1 Answer

  1. Editorial Team

    I am unaware of Qt on the Android platform, but for our tablet and touchscreen applications we handle multi-touch events via Qt’s QTouchEvent. I would assume something similar should be (or perhaps is already) available for the Qt’s Android support.

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