博客
关于我
Qt之动态换图
阅读量:97 次
发布时间:2019-02-26

本文共 2692 字,大约阅读时间需要 8 分钟。

??????????????

????

???????????????????????QListWidget????????????Plot?QTableWidget????????????????????????????????????????????????????????????????????????????????PlotCurve??????PlotRaster?????QTableWidget?????????????

???????

1. UI??

??Qt Designer??????????QListWidget??????QFrame????QListWidget???CustomListWidget???????????????mousePressEvent?mouseMoveEvent??????QFrame????QuadSplitter????????????????QWidget??QuadSplitter?

?mainwindow.h????

static const int s_iWidgetsNumber = 4;  // ??????????QWidget * m_pShowWidgets[2][2];    // ???????????

??CreateCharts???

void MainWindow::CreateCharts(){    for (int i = 0; i < s_iWidgetsNumber; i++)    {        // ????        m_pShowWidgets[i/2][i%2] = new Plot;        ui->frameDisplay->addWidget(m_pShowWidgets[i/2][i%2], i/2, i%2);        connect(m_pShowWidgets[i/2][i%2], SIGNAL(FullScreenToggle(QWidget*, bool)), this, SLOT(OnToggleSize(QWidget*, bool)));        connect(m_pShowWidgets[i/2][i%2], SIGNAL(DragComplete(QWidget*, QString)), this, SLOT(OnDragComplete(QWidget*, QString)));    }}

2. ??????

????????????????????????????????QWT?????Plot?????PlotCurve?PlotRaster?????????PlotTable????PIMP???Pointer to Implementation???CustomTableWidget?????

Plot????????????????

signals:void FullScreenToggle(QWidget* pWidget, bool bFullScreen);void DragComplete(QWidget* pWidget, QString strTestItem);events:void mouseDoubleClickEvent(QMouseEvent *event);void dragEnterEvent(QDragEnterEvent *event);void dropEvent(QDropEvent *event);

3. ??????????

??????????????CTestItem???QObject????Q_OBJECT????????QPointer?????????????????????

????OnDragComplete?

void MainWindow::OnDragComplete(QWidget *pWidget, QString itemName){    for (int i = 0; i < s_iWidgetsNumber; ++i)    {        if (pWidget == (m_pShowWidgets[i/2][i%2]))        {            m_pTestItems[i/2][i%2] = CRuntimeClass::LoadObject(itemName.toStdWString().c_str(), &m_pShowWidgets[i/2][i%2]);            if (m_pShowWidgets[i/2][i%2]->parentWidget() != ui->frameDisplay)            {                ui->frameDisplay->addWidget(m_pShowWidgets[i/2][i%2], i/2, i%2);                connect(m_pShowWidgets[i/2][i%2], SIGNAL(FullScreenToggle(QWidget*, bool)), this, SLOT(OnToggleSize(QWidget*, bool)));                connect(m_pShowWidgets[i/2][i%2], SIGNAL(DragComplete(QWidget*, QString)), this, SLOT(OnDragComplete(QWidget*, QString)));            }        }    }}

????????????????????CTestItem?????????????????????????????

if (!(m_pShowWidget = qobject_cast
(*ppWidget))){ qDebug("qobject_cast to PlotCurve failed"); delete(*ppWidget); *ppWidget = NULL; *ppWidget = new PlotCurve;}

??

??????????????????????????????????????????????????????????????QWT????????????????

转载地址:http://qkqu.baihongyu.com/

你可能感兴趣的文章
PHP引入了泛型和集合两大重要特性,大大改善 PHP 代码的可维护性和可读性
查看>>
PHP引擎php.ini参数优化
查看>>
PHP引用(&)使用详解
查看>>
php引用及垃圾回收
查看>>
php当前时间的集中写法
查看>>
php循环比较数组中的值,如何从PHP数组中计算值并在foreach循环中仅显示一次值?...
查看>>
php微信 开发笔记,微信WebApp开发总结笔记
查看>>
php微信公众号开发access_token获取
查看>>
php微信公众号开发微信认证开发者
查看>>
php微信公众号开发用户基本信息
查看>>
php怎么将对象变成数组,php怎么将对象转换成数组
查看>>
RabbitMQ - 消息堆积问题的最佳解决方案?惰性队列
查看>>
php怎样比较两数大小,jquery如何判断两个数值的大小
查看>>
PHP性能监控 - 开启xhprof(一)
查看>>
PHP性能监控 - 怎么看xhprof报告(二)
查看>>
php截取字符串代码,PHP字符串截取_php
查看>>
php截取字符串,无乱码
查看>>
php手冊,php手冊之變量范圍
查看>>
PHP手机号码归属地查询API接口
查看>>
PHP执行耗时脚本实时输出内容
查看>>