qt5.3 实现圆规

[{"title":"（ 14 个子文件 28KB ） qt5.3 实现圆规","children":[{"title":"TSCompass","children":[{"title":"qbbackgroundwidget.cpp <span style='color:#111;'> 6.16KB </span>","children":null,"spread":false},{"title":"images","children":[{"title":"Compass_head.svg <span style='color:#111;'> 5.07KB </span>","children":null,"spread":false},{"title":"Compass_right.svg <span style='color:#111;'> 17.82KB </span>","children":null,"spread":false},{"title":"rotateCursor.png <span style='color:#111;'> 3.41KB </span>","children":null,"spread":false},{"title":"pencil_red.png <span style='color:#111;'> 3.59KB </span>","children":null,"spread":false},{"title":"Compass_left.svg <span style='color:#111;'> 16.55KB </span>","children":null,"spread":false},{"title":"TSCompass.qrc <span style='color:#111;'> 261B </span>","children":null,"spread":false}],"spread":true},{"title":"TSCompass.pro <span style='color:#111;'> 516B </span>","children":null,"spread":false},{"title":"GuiUtils.cpp <span style='color:#111;'> 12.64KB </span>","children":null,"spread":false},{"title":"qbcompasses.h <span style='color:#111;'> 2.85KB </span>","children":null,"spread":false},{"title":"qbbackgroundwidget.h <span style='color:#111;'> 2.10KB </span>","children":null,"spread":false},{"title":"GuiUtils.h <span style='color:#111;'> 5.90KB </span>","children":null,"spread":false},{"title":"qbcompasses.cpp <span style='color:#111;'> 20.14KB </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 202B </span>","children":null,"spread":false}],"spread":true}],"spread":true}]