Chapter3: Qt5 Layout Management

• 3.1 Split window QSplitter class
  • QSplitter *splitterMain = new QSplitter(Qt::Horizontal,0);
  • QTextEdit *textLeft = new QTextEdit(QObject::tr("Left Widget"),splitterMain);
  • textLeft->setAlignment(Qt::AlignCenter);
  • Set the alignment of text in TextEdit:
    • Qt::AlignLeft
    • Qt::AlignRight
    • Qt::AlignCenter
    • Qt::AlignUp
    • Qt::AlignBottom
  • splitterMain-> setOpaqueResize (false):
    • Set whether to update the display in real time when the dividing line is dragged
    • true: real-time update display
    • false:
  • splitterMain->setStretchFactor(1,1)
    • Set the scalable control, the first parameter specifies the serial number of the control, from 0, 1, 2..., the second parameter is greater than 0, which means it is scalable
      
      
• 3.2 Dock window QDockWidget class
  • Create a docked window of a QDockWidget object
  • Set the docking window properties setFeatures() and setAllowedAreas()
  • Create a new control to be inserted into the docked form, commonly used are QListWidget and QTextEdit
  • Insert the control into the docked form and call the setWidget() method of QDockWidget
  • Use the addDockWidget() method to add this docking window to MainWindow
• 3.3 Stack window QStackedWidget class

 

• 3.4 Basic layout (QLayout)
  • 　　
  • 
  • Commonly used methods in layout are addWidget() and addLayout()