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
Openlayers view三要素(zoom,center,projection)及其他参数属性方法介绍
查看>>
OpenLayers 入门使用
查看>>
Openlayers 入门教程(一):应该如何学习 Openlayers
查看>>
openlayers 入门教程(七):Interactions 篇
查看>>
openlayers 入门教程(三):view 篇
查看>>
openlayers 入门教程(九):overlay 篇
查看>>
openlayers 入门教程(二):map 篇
查看>>
openlayers 入门教程(五):sources 篇
查看>>
openlayers 入门教程(八):Geoms 篇
查看>>
openlayers 入门教程(六):controls 篇
查看>>
openlayers 入门教程(十一):Formats 篇
查看>>
openlayers 入门教程(十三):动画
查看>>
openlayers 入门教程(十二):定位与轨迹
查看>>
openlayers 入门教程(十五):与 canvas、echart,turf 等交互
查看>>
openlayers 入门教程(十四):第三方插件
查看>>
openlayers 入门教程(四):layers 篇
查看>>
OpenLayers 项目分析(三)-OpenLayers中定制JavaScript内置类
查看>>
Openlayers下载与加载geoserver的wms服务显示地图
查看>>
Openlayers中使用Cluster+Overlay实现点击单个要素和聚合要素时显示不同弹窗
查看>>
Openlayers中使用Cluster实现点位元素重合时动态聚合与取消聚合
查看>>