This is officially an issue with Firefox — Bugzilla: Bug #505521, Set screen coordinates during HTML5 drag event. I’ll quote jbmj to summarize, and I will bold the original developer they are quoting… I can’t believe that this comment “Note though that it doesn’t specify what the properties should be set to, just that they … Read more
Use Control.PointToClient to convert a point from screen-relative coords to control-relative coords. If you need to go the other way, use PointToScreen.
There is no mechanism for moving the mouse via JavaScript.
You could set up a callback to react to <Motion> events: import Tkinter as tk root = tk.Tk() def motion(event): x, y = event.x, event.y print(‘{}, {}’.format(x, y)) root.bind(‘<Motion>’, motion) root.mainloop() I’m not sure what kind of variable you want. Above, I set local variables x and y to the mouse coordinates. If you make … Read more
You should use System.Windows.Forms.Cursor.Position: “A Point that represents the cursor’s position in screen coordinates.”
Here’s a picture explaining the difference between pageY and clientY. Same for pageX and clientX, respectively. pageX/Y coordinates are relative to the top left corner of the whole rendered page (including parts hidden by scrolling), while clientX/Y coordinates are relative to the top left corner of the visible part of the page, “seen” through browser … Read more
The Simple 1:1 Scenario For situations where the canvas element is 1:1 compared to the bitmap size, you can get the mouse positions by using this snippet: function getMousePos(canvas, evt) { var rect = canvas.getBoundingClientRect(); return { x: evt.clientX – rect.left, y: evt.clientY – rect.top }; } Just call it from your event with the … Read more