• Qt之布局管理——停靠窗口


    QDockWidget类继承与QWidget类,用于停靠窗口的管理。在主窗口中,先设置中心控件,然后实例化QDockWidget对象,通过setFeatures( )设置停靠窗口的窗体特性,通过


    setAllowedAreas
    (  )设置窗体可停靠的区域。具体如下:


    void setFeatures(DockWidgetFeatures features )

    QDockWidget::DockWidgetClosable 停靠窗可关闭
    QDockWidget::DockWidgetMovable 停靠窗可移动
    QDockWidget::DockWidgetFloatable 停靠窗可浮动
    QDockWidget::DockWidgetVerticalTitleBar 标题栏垂直放置
    QDockWidget::AllDockWidgetFeatures 可关闭、可移动、可浮动
    QDockWidget::NoDockWidgetFeatures 不可关闭、不可移动、不可浮动

    void setAllowedAreas ( Qt::DockWidgetAreas areas )

    Qt::LeftDockWidgetArea 可在中央控件的左侧停靠
    Qt::RightDockWidgetArea 可在中央控件的右侧停靠
    Qt::TopDockWidgetArea 可在中央控件的顶部停靠
    Qt::BottomDockWidgetArea 可在中央控件的底部停靠
    Qt::AllDockWidgetAreas 可在中央控件的任意方向停靠
    Qt::NoDockWidgetArea 只可停靠在插入处

    dockwindows.h

    #ifndef DOCKWINDOWS_H
    #define DOCKWINDOWS_H
    
    #include <QtGui>
    
    class DockWindows : public QMainWindow
    {
    	Q_OBJECT
    
    public:
    	DockWindows(QWidget *parent = 0, Qt::WFlags flags = 0);
    	~DockWindows();
    };
    
    #endif // DOCKWINDOWS_H
    

    dockwindows.cpp

    #include "dockwindows.h"
    #include <QDockWidget>
    DockWindows::DockWindows(QWidget *parent, Qt::WFlags flags)
    	: QMainWindow(parent, flags)
    {
    	setWindowTitle(tr("Dock Windows"));
    	QTextEdit *edt = new QTextEdit(tr("Main Window"),this);
    	setCentralWidget(edt);	//把edt设置为中心控件
    	
    	//停靠窗口1:
    	QDockWidget *dockWidget1 = new QDockWidget(tr("Dock Window 1"),this);
    	dockWidget1->setFeatures(QDockWidget::DockWidgetMovable);
    	dockWidget1->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
    	QTextEdit *edt1 = new QTextEdit(tr("Window 1"));
    	dockWidget1->setWidget(edt1);
    	addDockWidget(Qt::RightDockWidgetArea,dockWidget1);
    
    	//停靠窗口2:
    	QDockWidget *dockWidget2 = new QDockWidget(tr("Dock Window 2"),this);
    	dockWidget2->setFeatures(QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable);
    	QTextEdit *edt2 = new QTextEdit(tr("Window 2"));
    	dockWidget2->setWidget(edt2);
    	addDockWidget(Qt::LeftDockWidgetArea,dockWidget2);
    
    	//停靠窗口3:
    	QDockWidget *dockWidget3 = new QDockWidget(tr("Dock Window 3"),this);
    	dockWidget3->setFeatures(QDockWidget::AllDockWidgetFeatures);
    	QTextEdit *edt3 = new QTextEdit(tr("Window 3"));
    	dockWidget3->setWidget(edt3);
    	addDockWidget(Qt::BottomDockWidgetArea,dockWidget3);
    	
    }
    
    DockWindows::~DockWindows()
    {
    
    }
    

    在本例中还用到了QMainWindow类的addDockWidget()方法。使用情况请查阅QtAssistant。


  • 相关阅读:
    <%%>,<%!%>,<%=%>,<%@%>,<jsp:include><%@ include%>区别
    struts2学习
    struts2标签
    OGNL
    Andriod XML Editor cannot process this input
    Error 错误: 找不到或无法加载主类
    Class<T> 与T区别
    poi
    POI-java读取Excel(包含合并单元格)
    SQL-字符串连接聚合函数
  • 原文地址:https://www.cnblogs.com/hanzhaoxin/p/2774097.html
Copyright © 2020-2023  润新知