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
Python中特殊函数和表达式 filter,map,reduce,lambda
查看>>
python中用socket检测端口_Python 用socket模块实现检测端口和检测web服务
查看>>
python中用于列表操作的plus和append有什么区别?
查看>>
python中用递归求和
查看>>
python中的@staticmethod
查看>>
python中的array函数作用_NumPy 数组使用大全
查看>>
python中的isinstance判断多个对象类型
查看>>
python中的keys、values、items
查看>>
Python中的lambda和apply结合使用
查看>>
python中的map函数
查看>>
Python中的numpy模块解析
查看>>
Python中的pickle
查看>>
Python中的signal模块和Ctrl+C操作
查看>>
python中的sort方法
查看>>
Python中的threading
查看>>
python中的urlencode和urldecode
查看>>
python中的with学习
查看>>
python中的write和read的用法,有无换行符
查看>>
Python中的“真“和“假“
查看>>
PYTHON中的主体对象标识
查看>>