#JAVA MOUSE COORDINATES OFFSET HOW TO#
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. The 2 measurements give you the scaling info for the application window relative to the display 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. It may be possible to get the display size via other means.Īt any other time the then current application window size. I completely forgot you could get the window size)Īt start up of the program under test, maximize the screen (one time event), get the display screen size. I just wanted to get the locations of 2 application points (minimize button and maximize button were the first points I thought about.
It became a question of - To position to a particular application pixel what absolute screen pixel is needed? That is a scaling problem. I assumed that the positioning was to move was for purposes of either activating an application control located at that position or editing a pixel at that location. I assumed move offset to be in actual screen coordinates rather than relative to the current application window. I have assumed them to be actual screen coordinates. I do not know the reference for the position and size information provided by attribute retrieval. Is there any better solution to get the same result? In my real scenario when i have thousands of automation test cases, the mouse move to top left of screen lot of times and looks silly. I cannot move the mouse to desire point with one action. Move mouse to top left of screen with -int.MaxValue - looks ugly:Ī.MoveByOffset(-int.MaxValue, -int.MaxValue) īecause at the client, i have no idea how to get remote screen resolution or current mouse position.
Now i want to move the mouse to a point on screen - even that point is out of my app's window. Var session = new WinAppDriverSession(new Uri(serviceUrl), option) Option.AddAdditionalCapability("app", "Root")
With the session created from capability 'app' = 'root' I have automation test that run on client and WinAppDriver with my tested app on server.
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