新增全局热键示例

3rd_qhotkey/3rd_qhotkey.pri

@@ -0,0 +1,20 @@
+CONFIG += C++11
+HEADERS += $$PWD/qhotkey.h
+HEADERS += $$PWD/qhotkey_p.h
+SOURCES += $$PWD/qhotkey.cpp
+
+win32 {
+LIBS += -luser32
+SOURCES += $$PWD/qhotkey_win.cpp
+}
+
+unix:!macx {
+QT += x11extras
+LIBS += -lX11
+SOURCES += $$PWD/qhotkey_x11.cpp
+}
+
+macx {
+LIBS += -framework Carbon
+SOURCES += $$PWD/qhotkey_mac.cpp
+}