Qt后台监听键盘按键事件

[{"title":"（ 23 个子文件 unknown ） Qt后台监听键盘按键事件","children":[{"title":"keygrab","children":[{"title":"test_key_4","children":[{"title":"test_key_4.pro <span style='color:#111;'> 1.21KB </span>","children":null,"spread":false},{"title":"User32.Lib <span style='color:#111;'> 161.98KB </span>","children":null,"spread":false},{"title":"ws2_32.lib <span style='color:#111;'> 566.95KB </span>","children":null,"spread":false},{"title":"kernel32.Lib <span style='color:#111;'> 296.32KB </span>","children":null,"spread":false},{"title":"DbgHelp.Lib <span style='color:#111;'> 53.02KB </span>","children":null,"spread":false},{"title":"test_key_4.pro.user <span style='color:#111;'> 23.23KB </span>","children":null,"spread":false},{"title":"test_key_4.pro.user.ff34892 <span style='color:#111;'> 23.12KB </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;'> 1.58KB </span>","children":null,"spread":false},{"title":"mainwindow.cpp <span style='color:#111;'> 1.37KB </span>","children":null,"spread":false},{"title":"mainwindow.h <span style='color:#111;'> 516B </span>","children":null,"spread":false},{"title":"hookdll.lib <span style='color:#111;'> 1.72KB </span>","children":null,"spread":false}],"spread":false},{"title":"capturer.h <span style='color:#111;'> 519B </span>","children":null,"spread":false},{"title":"keymonitor.cpp <span style='color:#111;'> 1.31KB </span>","children":null,"spread":false},{"title":"capturer.cpp <span style='color:#111;'> 175B </span>","children":null,"spread":false},{"title":"widget.h <span style='color:#111;'> 371B </span>","children":null,"spread":false},{"title":"README .txt <span style='color:#111;'> 516B </span>","children":null,"spread":false},{"title":"widget.ui <span style='color:#111;'> 1.17KB </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 175B </span>","children":null,"spread":false},{"title":"keymonitor.h <span style='color:#111;'> 157B </span>","children":null,"spread":false},{"title":"keygrab.pro <span style='color:#111;'> 1.28KB </span>","children":null,"spread":false},{"title":"keygrab.pro.user <span style='color:#111;'> 23.36KB </span>","children":null,"spread":false},{"title":"widget.cpp <span style='color:#111;'> 719B </span>","children":null,"spread":false}],"spread":false}],"spread":true}]