Qtchartview添加滚动条
WebAug 29, 2024 · 标签(空格分隔): Qt 使用chartView实现面积图,并且能够动态的加载数据 demo
Qtchartview添加滚动条
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WebNov 3, 2024 · 现在要实现在白色背景上任意点击某一位置即可实现虚拟键盘的收起,很显然这里就要通过CKeyboardForm来截取全局的鼠标(触摸屏)点击事件,并在代码的监视处实现以上的功能,这就是事件过滤的方法。. 实现一个事件的过滤包括两个步骤. 1.在目标对象上 … WebDec 29, 2024 · 我开始与现有的各种信号打,我设法让我的示例程序为所需的工作。我不确定这是否是经过批准的方法,或者它是否可以扩展,但对我有用。有一件事对我来说并不是 …
WebOct 21, 2024 · 关注. IP属地: 安徽. 0.311 2024.10.21 07:57:42 字数 153 阅读 21,290. 1、在pro文件中添加QT += charts。. 2、在头文件中添加#include . 3、在界面使用Qt Creator添加一个QGraphicsView组件,然后提升为QChartView。. 提升的时候,这样写提升为的类:QtCharts::QChartView,头文件 ... WebSep 17, 2024 · 1 Answer. Sorted by: 2. The problem is caused because the QChartView has the expansion sizePolicy as opposed to the QOpenGLWidget, so when it becomes visible it expands, hiding the other widget. The solution is to set a stretch factor associated with each widget in the layout: layout.addWidget (&gl_widget, 1); layout.addWidget (&tab_widget, 1);
WebDetailed Description. The class extends a QGraphicsItem with QObject's signal/slot and property mechanisms. It maps many of QGraphicsItem's basic setters and getters to properties and adds notification signals for many of them.. Parents and Children. Each graphics object can be constructed with a parent item. This ensures that the item will be … Web. 正如您所看到的,如果我将鼠标悬停在条形图上,所有的条形图(元素)颜色都会变为红色。但我希望将鼠标悬停在条形图集合中的特定条形图(元素)上,该条形图(元素)会更改其颜色,而其余的保持不变。
WebOct 16, 2024 · Now If the drawn value is out of the axis range the scroll bar does not appear. If I change the size of the window the graph becomes smaller and the scroll bar does not …
WebMay 14, 2016 · 这里需要添加两个部署,一个是QtChart的安装,一个是QtChart文档的编译。. 如图所示配置完后,点击运行. 这里写图片描述. 这时会有很多复制的信息,它会把编译好的dll和头文件复制到Qt的安装目录下. 这里写图片描述. 这里写图片描述. 打开Qt目录下的lib文件 … chirp baseWebJan 21, 2024 · first add QT += charts in the .pro. place the QGraphicsView to the design. Right click on the QGraphicsView and select Promote to... When doing the above, a menu appears, in the menu it should be set in QChartView in Promoted Class Name, and QtCharts in Header file, then press the add button and finally press promote. Screenshots of some … chirp baofeng uv 5x3WebFeb 25, 2024 · 本人想做一个动态曲线绘制程序,X轴为时间,Y轴为电压,持续绘制,若时间很长,如果在X轴上添加滚动条,滚动查看之前的曲线,. QChart是否有该功能?. QCustomPlot呢?. 我来回答. 回复. 举报. xiang100 当前离线. 积分. chirp beraWebOct 21, 2024 · 关注. IP属地: 安徽. 0.311 2024.10.21 07:57:42 字数 153 阅读 21,290. 1、在pro文件中添加QT += charts。. 2、在头文件中添加#include . 3、在 … chirp bathroomWebSep 28, 2024 · 这里介绍下QChartView缩放和放大功能的实现。. QChartView开启鼠标拖动放大功能:. ui ->wdChart ->setRubberBand(QChartView::RectangleRubberBand); 开启后, … graphing a line through a given point slopeWebMar 22, 2024 · Hi, I created a QGraphicsView in QtDesigner, that I have called "chart" and promoted in QChartView : I wanna give him a chart from my main function.. For that, I … graphing an absolute value functionWeb1、需要在工程文件.pro文件中添加,QT += charts 2、在ui界面放置一个widget控件,并将其提升为QChartView,继承于QWidget 如果将一个widget提升了QChart graphing amplitude