In depth application of event processing in PyQt5 advanced programming practice

In depth application of event handling Re implement event() Using event filters Global event filter Keep the window responsive when processing time-consuming tasks stay Event handling of quick grasp PyQt5 In this chapter, the author introduces some common event functions and demonstrates them through cases. However, it has not really r ...

Posted by chrisdarby on Wed, 05 Jan 2022 20:03:15 +0100

Python White's topic report - OpenCV matting project practice

Python Xiaobai's topic report - actual combat of OpenCV matting project (4) This series is Python Xiaobai's task "image segmentation and matting based on OpenCV". It should be noted that this series is not a matting project tutorial of OpenCV, but a topic report on this topic. It includes a relatively complete PyQt project. From t ...

Posted by RagingEagle on Wed, 05 Jan 2022 16:48:23 +0100

The desktop is too monotonous? Make a custom animation Pendant with Python. It's fun and interesting!

preface Some time ago, I wrote a blog about Python made a cool music player . Some fans asked me why the music player uses PyQt5. Is the effect better than Tkinter? Can PyQt5 really realize these cool UI images? I haven't contacted PyQt5 before. Can you share more development cases in this regard? Today, let's take you to develop an interest ...

Posted by tmharrison on Sat, 25 Dec 2021 16:07:31 +0100

PyQT: the first Demo, which draws the line chart of column pixels of the image at the click position of the mouse

Scene: there are a series of images. You need to view the pixel value of each column of the image. You can read the image, specify the column, and then view it. However, it is troublesome. You have to modify each column. Then use the callback function slider, so that you don't have to modify the column every time, but if you change an image, yo ...

Posted by LinuxForce on Fri, 24 Dec 2021 18:07:25 +0100

PyQt5 Full 95 Window QSS Base Ultra Fine

QSS Base of PyQt5 Full 95 Window CSS Tutorial:https://www.w3school.com.cn/css/index.asp Check the links for details, but there is no problem reading the following article. QSS Concepts The whole process of QSS is Qt Style Sheets, as the name implies, a Qt stylesheet. Qt stylesheets are a powerful mechanism that allows you to customize the ap ...

Posted by SleepyP on Thu, 23 Dec 2021 14:13:25 +0100

PyQt|PySide2 drawing | data visualization (drawing) method of Python language

PyQtGraph drawing data visualization (drawing) method of Python language PyQtGraph plot Data drawing scheme The common data visualization (drawing) methods of Python language are Matplotlib and PyQtGraph Matplotlib When it comes to data mapping in Python language, Matplotlib is certainly the most famous. Advantages: complete functions, mat ...

Posted by JRS on Thu, 09 Dec 2021 13:12:54 +0100

PYQT5|Pyside2 background thread and signal mode multithreading to prevent interface jamming

PYQT5|Pyside2 background thread and signal mode multithreading to prevent interface jamming Interface blocking problem In the previous exercise, we developed an HTTP interface testing tool similar to Postman. The specific code for sending the request message is as follows def sendRequest(self): method = self.ui.boxMethod.curr ...

Posted by kristofferlc on Wed, 08 Dec 2021 23:19:16 +0100