QT鼠标，键盘事件函数练习Demo

[{"title":"（ 6 个子文件 5KB ） QT鼠标，键盘事件函数练习Demo","children":[{"title":"MouseKeyEvent","children":[{"title":"MouseKeyEvent.pro <span style='color:#111;'> 386B </span>","children":null,"spread":false},{"title":"mainwindow.cpp <span style='color:#111;'> 2.70KB </span>","children":null,"spread":false},{"title":"mainwindow.h <span style='color:#111;'> 754B </span>","children":null,"spread":false},{"title":"MouseKeyEvent.pro.user <span style='color:#111;'> 23.38KB </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 183B </span>","children":null,"spread":false},{"title":"mainwindow.ui <span style='color:#111;'> 654B </span>","children":null,"spread":false}],"spread":true}],"spread":true}]