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去掉列表的逗号,从Python列表项中删除标点符号
查看>>
Python卸载所有包
查看>>
python单线程下实现多个socket并发
查看>>
Python单元测试框架介绍(超详细~)
查看>>
Python单元测试框架
查看>>
python单元测试之unittest
查看>>
Python单元测试unittest实战
查看>>
Python单元测试-模拟VS补丁
查看>>
python协程实时输出_Python 协程以及事件循环的问题,怎么知道 IO 读取结束了呢?...
查看>>
Python十进制&;包提供错误的结果
查看>>
Python化身“安全老中医”:一键搞定工控系统漏洞,从零基础到精通,收藏这篇就够了!
查看>>
Python加速运行技巧
查看>>
python办公自动化基础遍历文件夹
查看>>
python办公自动化基础输出文件和文件夹
查看>>
python办公自动化基础搜索文件
查看>>
python知识:@classmethod和@staticmethod的异同
查看>>
python前端之css
查看>>
Python制作进度条,原来有这么多方法
查看>>
Python制作简单的学生成绩管理系统
查看>>
python制作甘特图的基本知识(附Demo)
查看>>