请问unity tweak tool是是通过什么方法设置热区的？

[widget]

就是将鼠标移到屏幕角落触发命令的功能。应该是通过修改哪个配置文件实现的吧，个人不太想装unity tweak tool和ccsm，请问应该怎么设置热区呢？

[eexpress]

▶ gconftool -R /|g corner
1165: top_left_corner_action = Schema (type: `int' list_type: '*invalid*' car_type: '*invalid*' cdr_type: '*invalid*' locale: `C')
1170: bottom_left_corner_action = Schema (type: `int' list_type: '*invalid*' car_type: '*invalid*' cdr_type: '*invalid*' locale: `C')
1175: bottom_right_corner_action = Schema (type: `int' list_type: '*invalid*' car_type: '*invalid*' cdr_type: '*invalid*' locale: `C')
1185: top_right_corner_action = Schema (type: `int' list_type: '*invalid*' car_type: '*invalid*' cdr_type: '*invalid*' locale: `C')
2660: top_left_corner_action = 4
2665: bottom_left_corner_action = 4
2670: bottom_right_corner_action = 6
2680: top_right_corner_action = 6