There could be a ruler on the x and y axis to show the current position on the canvas. https://stackoverflow.com/questions/56588152/how-to-make-a-ruler-on-the-border-of-a-qgraphicsview
There could be a ruler on the x and y axis to show the current position on the canvas.
https://stackoverflow.com/questions/56588152/how-to-make-a-ruler-on-the-border-of-a-qgraphicsview