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tkinter绑定鼠标滚轮滚动事件 canvas.bind("", processWheel) 失效

时间：2023-03-09 16:03:10
tkinter绑定鼠标滚轮滚动事件 canvas.bind("<MouseWheel>", processWheel) 失效

其实，不同系统不一样，我的是Ubuntu 所以是<Button-4>   <Button-5>

见下：

来自：https://*.com/questions/17355902/python-tkinter-binding-mousewheel-to-scrollbar

Platform differences:

  • On Windows, you bind to <MouseWheel> and you need to divide event.delta by 120 (or some other factor depending on how fast you want the scroll)
  • on OSX, you bind to <MouseWheel> and you need to use event.delta without modification
  • on X11 systems you need to bind to <Button-4> and <Button-5>, and you need to divide event.delta by 120 (or some other factor depending on how fast you want to scroll)