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中将列表转换为元组的时间复杂度,反之亦然
查看>>
Python中布尔表达式的求值
查看>>
python中很常用的10个内置函数整理(初学必备)
查看>>
python中打印二维列表数据
查看>>
python中打散数组shuffle
查看>>
Python中执行外部命令
查看>>
Python中拼接numpy数组-ChatGPT4o作答
查看>>
Python中提示:no module named 'PIL'
查看>>
Python中提示:UnicodeDecodeError: 'ascii' codec can't decode byte 0xe5 in position
查看>>
python中数据类型存储_浅谈Python中的数据类型
查看>>
python中文件最重要的功能是什么-学 Python 都用来干嘛的?
查看>>
python中文版语言_高盛最新调查:Python超过汉语成为未来最重要技能,你准备学哪种编程语言?...
查看>>
Python中文问题SyntaxError
查看>>
Python中方括号和括号括起来的列表有什么区别?
查看>>
python中时间处理_Python中处理时间的几种方法小结
查看>>
Python中枚举串口(包括虚拟端口)的跨平台方法是什么?
查看>>
python中根号下a怎么写_python中根号怎么表示
查看>>
Python中正则表达式的巧妙使用
查看>>
Python中浮点数的二进制表示(位不是十六进制)
查看>>
Python中特殊函数和表达式 filter,map,reduce,lambda
查看>>