GraphicsDevice screens = GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices() Passing the current mouse screen location to Robot.mouseMove causes the cursor to move dramatically. ![]() Passing the current mouse screen location to Robot.mouseMove should not cause the cursor to move at all. Clicking on either panel while the window is located on the right screen causes the cursor to be moved to the far right edge of the right monitor. It seems like Robot is using a different coordinate system than everything else. When the mouse is on Screen 2, sampling the mouse location (either via MouseInfo or via an event listener) and feeding the position to Robot.mouseMove causes the cursor to move to a totally different location. You can force the DPI mode to "Unaware" by setting the scaling mode to "System" in "Change DPI Settings" in the "Compatibility" tab of the windows properties dialog for java.exe (we must do this for our app to avoid more severe bugs that occur in "DPI Aware" mode) It does *not* occur when java.exe is running in "DPI Aware" mode. java.exe must be launched in "DPI Unaware" mode to trigger this bug. STEPS TO FOLLOW TO REPRODUCE THE PROBLEM : The problem occurs regardless of which GraphicsDevice is passed into the Robot constructor. It seems to be using a different coordinate system than the other swing/awt methods that deal with mouse position. Learn how to use event listeners to detect and handle single and multiple keypress events in JavaScript.Using () to move the cursor to a location on a secondary monitor with a different scale factor than the primary monitor does not work correctly. Detect single and multiple keypress events: JavaScript by Gav What they are and how to use them by Gav Įver seen constants like _DIR_ and _FILE_ being used in PHP? These are 'Magic Constants', and this is how we can use them. Learn how to regenerate and update WordPress media and image sizes both programmatically (without plugin), and also with a handy plugin. Need to recursively make directories in PHP? mkdir has you covered, too! Regenerate WordPress media image sizes, programmatically by Gav Need to make a directory in PHP? No Problem! mkdir has you covered. Recursively make directories in PHP using mkdir by Gav Here is how you can fix node incompatibility error, using "Node Sass does not yet support your current environment" as an example. Node Sass does not yet support your current environment by Gav In this post I'll show you how to change the aspect ratio of an image or element using CSS, and explain why this is important. For a more detailed list of mouse events you could have a read of this.įirst we set up an event listener for our event: document.addEventListener('mousemove', (event) => `) Īs a result, if you now open your console you will see that every time you move the mouse there will be a log of the mouse coordinates ‘helpfully’ spammed all over your screen.Ĭhange the aspect ratio of an image using CSS by Gav In this case we will use ‘mousemove’ to log the current X and Y coordinates of the mouse to the console. To get the current mouse position we are going to trigger a mouse event. So how can we get the mouse position from a mouse event? Getting the current X and Y coordinates from an event As far as I’m aware it isn’t possible to get the current mouse position without triggering a mouse event. I would usually include some catch like ‘get the current mouse position without using an event’. This simple problem was something I found myself googling fairly often when I was new to coding. ![]() To do all of these things you need to know the current mouse position relative to the screen. ![]() Would you like to be able to open a modal, or a context menu? Maybe you are making a browser game, or simply adding a sparkly trail to your mouse.
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