Window functions

• show();hide();
• raise();lower();

• close()

  Window contents

• update()

• repaint()

• scroll()

  Top-level windows

• showMinimized()

• showMaximized()
• fullScreen

几何-geometry

• https://doc.qt.io/qt-5/application-windows.html#window-geometry
• 
• x-y
• pos
  • pos()-move()
• width-height
• size
  • size()-resize()
• frameSize
• rect
  • rect()
• geometry
  • geometry()-setGeometry()
• frameGeometry
• maximumSize-minimumSize
• sizeHint
  • 尺寸暗示
• sizePolicy

• mapTo-mapFrom

  enable

• 
  

  visible

• 
  

窗口标志windows flags

• https://blog.csdn.net/weixin_36323170/article/details/87361457

  Keyboard focus functions

• setFocusPolicy

  mouseTracking

• 鼠标跟踪

  layout

• 
  

  parent

• setParent()父子关系

Interactive help

• toolTip
• whatThis

palette

• QPalette

styleSheet

EventHandle

Context menu

• 
  

  QSizePolicy

  QWidgetData