qt自定义工具栏，类似word

[{"title":"（ 24 个子文件 690KB ） qt自定义工具栏，类似word","children":[{"title":"ToolBarTest","children":[{"title":"Makefile.Debug <span style='color:#111;'> 6.73KB </span>","children":null,"spread":false},{"title":"icons","children":[{"title":"Start.png <span style='color:#111;'> 18.08KB </span>","children":null,"spread":false},{"title":"About.png <span style='color:#111;'> 14.56KB </span>","children":null,"spread":false},{"title":"Continue.png <span style='color:#111;'> 18.34KB </span>","children":null,"spread":false},{"title":"Pause.png <span style='color:#111;'> 15.70KB </span>","children":null,"spread":false},{"title":"Config.png <span style='color:#111;'> 16.29KB </span>","children":null,"spread":false},{"title":"Stop.png <span style='color:#111;'> 15.01KB </span>","children":null,"spread":false}],"spread":true},{"title":"ToolBarTest.pro.user <span style='color:#111;'> 150.72KB </span>","children":null,"spread":false},{"title":"Makefile.Release <span style='color:#111;'> 6.82KB </span>","children":null,"spread":false},{"title":"toolbartest.qrc <span style='color:#111;'> 292B </span>","children":null,"spread":false},{"title":"ToolBarTest.pro <span style='color:#111;'> 423B </span>","children":null,"spread":false},{"title":"ui_mainwindow.h <span style='color:#111;'> 7.48KB </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 391B </span>","children":null,"spread":false},{"title":"mainwindow.ui <span style='color:#111;'> 4.90KB </span>","children":null,"spread":false},{"title":"debug","children":[{"title":"moc_mainwindow.cpp <span style='color:#111;'> 2.35KB </span>","children":null,"spread":false},{"title":"moc_mainwindow.o <span style='color:#111;'> 124.84KB </span>","children":null,"spread":false},{"title":"ToolBarTest.exe <span style='color:#111;'> 596.40KB </span>","children":null,"spread":false},{"title":"mainwindow.o <span style='color:#111;'> 230.48KB </span>","children":null,"spread":false},{"title":"main.o <span style='color:#111;'> 116.39KB </span>","children":null,"spread":false},{"title":"qrc_toolbartest.o <span style='color:#111;'> 106.84KB </span>","children":null,"spread":false},{"title":"qrc_toolbartest.cpp <span style='color:#111;'> 509.25KB </span>","children":null,"spread":false}],"spread":true},{"title":"mainwindow.cpp <span style='color:#111;'> 1.06KB </span>","children":null,"spread":false},{"title":"mainwindow.h <span style='color:#111;'> 313B </span>","children":null,"spread":false},{"title":"Makefile <span style='color:#111;'> 6.90KB </span>","children":null,"spread":false},{"title":"release","children":null,"spread":false}],"spread":false}],"spread":true}]