Programmer Group

I. Preface Tree Navigation Bar Control is the most powerful and classic one among all the controls. Among many buyers, it is also the most frequently used because it has a large collection of display effects, such as left Icon + right arrow + front icon + various color settings, etc. It covers all the ...

Through experiments, we find that even though slot functions are defined in the thread class, the calling function is not the thread. Of course, that's not what we want. Is there any way to make the thread that calls the slot function the native thread? We should know a few questions in the QT. Which t ...

Articles Catalogue Modular layout Absolute positioning grid layout Submit feedback Event Menu bar and toolbar status bar menu bar Tree menu Check menu Right-click menu The QT menu icon is not displayed toolbar example Create edited text Open the file Time and date of color fonts Colour fonts T ...

Catalog 1. Overview 2. Effect Display 3. Ideas for implementation 1. Freeze Rows, Freeze Columns 2. Row Height Adaptive 3. Ant Line 4. Test Code 1. Add tabular data 2. Set frozen rows and columns 3. Row Height, Column Width 4. Cell Background Color ...

PyQt5 Quick Start (2) PyQt5 Signal Slot Mechanism 1. Introduction of Signal Slot Mechanism 1. Introduction of signal slots Signal slot is the core mechanism of Qt and also the mechanism of object communication in PyQt programming.In Qt, the QObject object and all controls in PyQt that inherit from QWidget support the slot mechanism.When the si ...

I. Preface In a variety of task interfaces, sometimes it takes more time to give an intuitive waiting progress bar to show the progress of the current execution, instead of being forced there, users will not feel dead or why. There are several ways to wait for the progress bar, such as directly asking the artist to do the gif map, using QLabel ...

I. Preface In Qt custom control, dashboard control is the largest number, writing dashboards are written about hematemesis, probably because a variety of industrial control areas are more used, and the dashboard is more vivid and intuitive, this time see Baidu echart has this control, so also to imitate and do a, in fact, master it. After the d ...

Qt beautification based animation................................................................................................................................................................1 Frontier.............................................................................................................................................. ...

Although RS232 interface is no longer available on most household PC s. However, RS232 serial port is still widely used in industry because of its simple operation and reliable communication. In previous versions of Qt, there was no official support for RS232 serial port, so it was inconvenient to write serial port program. Now, QtSerialPort ...

brief introduction This article introduces what QDockWidget is and how it is used. By the way, it introduces a demo integrated with QListWidget. QDockWidget QDockWidget is a common style of software interaction, as shown in the following figure: The VCS Operations box in the figure above can be considered a Dock Widget, and the most impo ...