matlab鼠标 滚轮事件

gaohaikuo1

1. % 设定figure作为鼠标事件的载体
   
2. figure(1);
   
3. axis([0,10,0,10]);
   
4. 
   
5. % 设置对应的事件回调函数
   
6. set(gcf,'WindowButtonDownFcn',@ButttonDownFcn,'WindowButtonUpFcn',@ButttonUpFcn, 'WindowButtonMotionFcn', @MouseMoveFcn, 'WindowScrollWheelFcn', @wheel);
   
7. 
   
8. % 按键按下
   
9. function ButttonDownFcn(src,event)
   
10. pt = get(gca,'CurrentPoint');
    
11. x = pt(1,1);
    
12. y = pt(1,2);
    
13. fprintf('Down x=%f,y=%f\n',x,y);
    
14. end
    
15. 
    
16. % 按键释放
    
17. function ButttonUpFcn(src,event)
    
18. pt = get(gca,'CurrentPoint');
    
19. x = pt(1,1);
    
20. y = pt(1,2);
    
21. fprintf('Up x=%f,y=%f\n',x,y);
    
22. end
    
23. 
    
24. % 光标移动
    
25. function MouseMoveFcn(src,event)
    
26. pt = get(gca,'CurrentPoint');
    
27. x = pt(1,1);
    
28. y = pt(1,2);
    
29. fprintf('Move x=%f,y=%f\n',x,y);
    
30. end
    
31. 
    
32. % 滚轮动作
    
33. function wheel(src,event)
    
34. fprintf('VerticalScrollCount=%d\n',event.VerticalScrollCount);
    
35. end

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