Qt5 自定义QGraphicsItem的选择、缩放、移动、旋转

[{"title":"（ 38 个子文件 162KB ） Qt5 自定义QGraphicsItem的选择、缩放、移动、旋转","children":[{"title":"RiggerLearner","children":[{"title":"riggerview.h <span style='color:#111;'> 872B </span>","children":null,"spread":false},{"title":"mainwindow.h <span style='color:#111;'> 1.09KB </span>","children":null,"spread":false},{"title":"riggerscene.h <span style='color:#111;'> 1.13KB </span>","children":null,"spread":false},{"title":"Makefile <span style='color:#111;'> 29.80KB </span>","children":null,"spread":false},{"title":"sysdef.h <span style='color:#111;'> 221B </span>","children":null,"spread":false},{"title":"anchoritem.h <span style='color:#111;'> 2.65KB </span>","children":null,"spread":false},{"title":"mainwindow.cpp <span style='color:#111;'> 4.56KB </span>","children":null,"spread":false},{"title":"riggertreewidget.h <span style='color:#111;'> 450B </span>","children":null,"spread":false},{"title":"riggertreewidget.cpp <span style='color:#111;'> 191B </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 185B </span>","children":null,"spread":false},{"title":"basicitem.h <span style='color:#111;'> 209B </span>","children":null,"spread":false},{"title":"basicitem.cpp <span style='color:#111;'> 58B </span>","children":null,"spread":false},{"title":"riggerscene.cpp <span style='color:#111;'> 5.31KB </span>","children":null,"spread":false},{"title":"mainwindow.ui <span style='color:#111;'> 3.67KB </span>","children":null,"spread":false},{"title":"riggerview.cpp <span style='color:#111;'> 2.54KB </span>","children":null,"spread":false},{"title":"Makefile.Release <span style='color:#111;'> 154.54KB </span>","children":null,"spread":false},{"title":"icons.qrc <span style='color:#111;'> 618B </span>","children":null,"spread":false},{"title":"object_script.RiggerLearner.Release <span style='color:#111;'> 337B </span>","children":null,"spread":false},{"title":"object_script.RiggerLearner.Debug <span style='color:#111;'> 309B </span>","children":null,"spread":false},{"title":"icons","children":[{"title":"Circle2.png <span style='color:#111;'> 4.96KB </span>","children":null,"spread":false},{"title":"zoom_in.png <span style='color:#111;'> 3.76KB </span>","children":null,"spread":false},{"title":"circle_grey.png <span style='color:#111;'> 35.08KB </span>","children":null,"spread":false},{"title":"circle_green.png <span style='color:#111;'> 15.00KB </span>","children":null,"spread":false},{"title":"rotate_press.png <span style='color:#111;'> 6.52KB </span>","children":null,"spread":false},{"title":"zoom_out.png <span style='color:#111;'> 3.82KB </span>","children":null,"spread":false},{"title":"Circle1.png <span style='color:#111;'> 2.72KB </span>","children":null,"spread":false},{"title":"rotate.png <span style='color:#111;'> 8.51KB </span>","children":null,"spread":false},{"title":"circle_seagreen.png <span style='color:#111;'> 10.54KB </span>","children":null,"spread":false},{"title":"add_plus.png <span style='color:#111;'> 6.13KB </span>","children":null,"spread":false},{"title":"circle_orange.png <span style='color:#111;'> 14.85KB </span>","children":null,"spread":false},{"title":"rotate_hover.png <span style='color:#111;'> 5.76KB </span>","children":null,"spread":false},{"title":"circle_red.png <span style='color:#111;'> 14.69KB </span>","children":null,"spread":false}],"spread":false},{"title":"RiggerLearner.pro.user <span style='color:#111;'> 23.36KB </span>","children":null,"spread":false},{"title":"ui_mainwindow.h <span style='color:#111;'> 6.20KB </span>","children":null,"spread":false},{"title":"anchoritem.cpp <span style='color:#111;'> 15.62KB </span>","children":null,"spread":false},{"title":"Makefile.Debug <span style='color:#111;'> 154.26KB </span>","children":null,"spread":false},{"title":".qmake.stash <span style='color:#111;'> 1.05KB </span>","children":null,"spread":false},{"title":"RiggerLearner.pro <span style='color:#111;'> 1.26KB </span>","children":null,"spread":false}],"spread":false}],"spread":true}]