Pyqt Qtimer

The QTimer class provides a high-level programming interface for timers. int QEventLoop. All we have is. In this tutorial, we will learn about QTimer. The QTimer class provides repetitive and single-shot timers. The Twisted way is to let the reactor drive (hence we only call reactor. To do this, follow the steps found on the pyqtgraph docs page: In Designer, create a QGraphicsView widget. QApplication is in PyQt5. QGraphicsView i QGraphicsScene - Opis widżetów do wizualizacji złożonych obiektów 2D (np. Thread with QThread in PyQt I have a program which interfaces with a radio I am using via a gui I wrote in PyQt. Active 4 months ago. setSingleShot (self, bool asingleShot). They are extracted from open source Python projects. 2 and here my problem : I am trying to develop a Timer, and the interface is simple : There is just 2 button : the button "Start", to launch the timer, and the "Pause" Button, and a QtimeE. By default, run() starts the event loop by calling exec_() and runs a Qt event loop inside the thread. Access violation on Windows collector and run garbage collection manually in the GUI thread via QTimer. we have two different QAction objects, and. 主要内容 主要了解PyQt程序的整体框架; 涉及模块:QApplication, QLabel , QTimer 实例讲解 首先先看一个简单的PyQt程序: 1 2 3 4 5. The QTimer class provides repetitive and single-shot timers. I'm trying to make a program using PRAW and PyQt that gathers Reddit posts from subscribed subreddits and displays them in a GUI window. Qt import QtCore, QtGui __all__ = ['FeedbackButton']. The SIP specification files for the Qt class library. You can vote up the examples you like or vote down the exmaples you don't like. PyQt was developed by RiverBank Computing Ltd. The parent argument, if not None, causes self to be owned by Qt instead of PyQt. QTimer是一个定时任务,可以在指定的时间运行制定的函数,电子钟示例都用的它。 我要用它来实现窗口加载完毕后就自动执行的任务,一般是程序的自检任务。. Contribute to PyQt5/PyQt development by creating an account on GitHub. Only users with topic management privileges can see it. Simple PyQt example with QThread and QProgressBar. So it should be. The example use QDate, QTime, and QDateTime classes. Embedding widgets inside PyQt applications; PyQt and PySide; Embedding PyQtGraph as a sub-package of a larger project; Installation; Requirements; Qt Crash Course. The Qt docs indicate this is possible, but I haven't found any examples. So I'm posting my code: from PyQt4 import QtGui, QtCore from code. Recent versions of PyQt contain something special for developers who use Qt Designer to design the user interfaces for their applications. QTimer - making timers in PyQt4 Description of timers available in PyQt4 QTimer class allows applications to do something after certain amount of time. Good example of interface inheritance (QAbstractTableModel). By voting up you can indicate which examples are most useful and appropriate. py files only. isActive (self) bool QTimer. updateGeometry(self) # アップデート時間設定 timer = QTimer. This makes PyQt very useful as a rapid prototyping tool for applications that will eventually be (partly or completely) implemented in C++ because the user interface designs can be re-used without modification. PyQT: timing out a method call with QTimer? Here's the scenario: I have a KDE applet that I'm working on which uses a python library (dictclient) that makes network calls but does. These will be fixed in future. Set “Promoted class name” to “PlotWidget”. qcolordialog pyqt. QtGui import QIcon #from PyQt5. Portions of this documentation have been adapted from the documentation provided with Qt 4. From then on it will emit the timeout() signal at constant intervals. # # This file is part of the examples of PyQt. Multithreading with QTimer and Qthread; If you have a working knowledge of Python but aren't too familiar with the ins and outs of the PyQt framework, this book. Начал изучать Python + PyQt для создания GUI. He contributes to various open source Python and Javascript projects. In multithreaded applications, you can use PySide. There are some differences, and kenwaldek has ported this series code, by individual tutorial code, to PyQt5. To use it, create a QTimer, connect its timeout() signal to the appropriate slots, and call start(). My PyQt Scribbles (Python and Qt) #5: Event-Handling Mechanism (QEvent: moveEvent() and closeEvent()) In this installment of My PyQt Scribbles we will have a look to the event-handling mechanism. You can then call the update() method every so often with your QTimer if you want. To demonstrate multi-threaded execution we need an application to work with. Embedding widgets inside PyQt applications; PyQt and PySide; Embedding PyQtGraph as a sub-package of a larger project; Installation; Requirements; Qt Crash Course. This is a functionally terrible unzip application, saved only by the fact that you get to look at a cat while using it. Qt之QTimer 简述 QTimer类提供了重复和单次触发信号的定时器。 QTimer类为定时器提供了一个高级别的编程接口。很容易使用:首先,创建一个QTimer,连接timeout()信号到适当的槽函数,并调用start(),然后在恒定的时间间隔会发射timeout()信号。. QtSql in PyQt4 - handling databases - Overview of QtSql classes in PyQt that allow managing databases and grid integration; QGraphicsView and QGraphicsScene - Description of widgets for visualizing 2D data (images etc. [PyQt] Afficher quelque chose pendant le chargement × Après avoir cliqué sur "Répondre" vous serez invité à vous connecter pour que votre message soit publié. Conclusion. ⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓Links. QTimer(self) 228 timer. size = QSize(0, 0) self. We set the timer to repeat the function call every 400 milliseconds. Portions of this documentation have been adapted from the documentation provided with Qt 4. The QTimer class provides a high-level programming interface that uses signals instead of events. By voting up you can indicate which examples are most useful and appropriate. Scribd is the world's largest social reading and publishing site. Qtimer or Python time. Hi, I have a slot that is connected to QTimer's signal. From then on it will emit the timeout() signal at constant intervals. Who knows. Here's the question. Live Data in PyQt4 with PlotWidget. It works well but I can't call it twice. 虽然,qt中也提供了绘图函数,但对于初学者并不是很容易掌握,众所周知,matplot提供了简单,易用,强大的绘图函数,结合mumpy基本可以达到matlb中的绘图体验,并且比matlab更加具有扩展性,也更自由。. 28元/次 学生认证会员7折. Design, interfaces and structures. código: import sys import os import cv2 import numpy as np from PyQt4. PyQt 编程中多线程应该用 QThread、QTimer 还是 threading? 线程与主进程间的通信 这里我主要想通过主进程这边发送一个信号,可以让线程结束。. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1. You can make constant timers that run forever, or singleShot timers that run only once. Compared to a modal type, modeless type is more complicated. вместо цикла libev. QThread represents a separate thread of control within the program; it shares data with all the other threads within the process but executes independently in the way that a separate program does on a multitasking operating system. By voting up you can indicate which examples are most useful and appropriate. Reset the timer (timer. It can read the current time from the system clock and measure a span of elapsed time. However, when I try to run this code, it returns the error: QtGui. ⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓Links. Pi3, Python, PyQt and GPS Tue Feb 27, 2018 12:01 pm I have a Pi3 with a USB GPS attached, it took a while but I am able to read from the GPS using the gps3 library. 10対応 (SHOEISHA DIGITAL FIRST)posted with カエレバ折戸 孝行 翔泳社 2018-03-15 Amazonで最安値を探す楽天市場で最安値を探すYahooショッピングで最安値を探す 目次 目次 はじめに インストール Macの場合 Linux…. Cross-platform software development at its best. Below is a minimal stub application for PyQt which will allow us to demonstrate multithreading, and see the outcome in action. All other Qt modules rely on this module. MoveToThread and QTimer. The QTimer class provides a high-level programming interface that uses signals instead of events. Live Data in PyQt4 with PlotWidget July 31, 2016 Scott Leave a comment GitHub , Python After spending a day comparing performance of MatplotlibWidget with PlotWidget, when it comes to speed PlotWidget wins by a mile!. Python Qt5 - the QTimer class. PyQt includes pyuic which generates Python code from GUI designs created with Qt Designer. We set the title, row count, column count and add the data. pyc files (Python byte compiled code),. QGraphicsView i QGraphicsScene - Opis widżetów do wizualizacji złożonych obiektów 2D (np. python - pyQt: How do I update a label? I created this simple UI with qtDesigner and I want to update my label every 10 seconds with the value of a function, but I have no idea how to do this. メモ的に記録しています。正確ではない情報です。. I haven't written about PyQt5 in a while and today I decided to add a short tutorial on this python module. Then instead of your while loop in UpdateWhileRec, have a QTimer that periodically calls the contents of your current while loop (i would probably suggest a singleshot timer). I work with Qt 5. 6) with PyQt4. I took the example that ships with 1. qcolordialog getcolor […]. To use it, create a QTimer, connect its timeout() signal to the appropriate slots, and call start(). Bjarne Stroustrup decided that C memory management should be easier. Qt Tutorials For Beginners 24 - QTimer - Duration: 7:22. I'm sorry for the question but I have read a bunch of things and it seems that I do not get how to make a timer. Предназначен для вызова указанной функции, метода или слота через определенный промежуток времени. Bjarne Stroustrup decided that C memory management should be easier. Une dernière remarque : pour accéder à QtDesigner, il vous faudra le lancer à partir du répertoire bin de Qt4. QTimer - making timers in PyQt4 Description of timers available in PyQt4 QTimer class allows applications to do something after certain amount of time. Obviously one of the main functions of the radio is to transmit data, but to do this continuously, I have to loop the writes, which causes the gui to hang. PyQt and GUI QTimer class allows applications to do something after certain amount of time. I haven't written about PyQt5 in a while and today I decided to add a short tutorial on this python module. static singleShot (interval, callback) ¶ static singleShot (interval, object, slot). QWidgets and Layouts; Naming Conventions; Signals, Slots, and Events; GraphicsView and GraphicsItems; Coordinate Systems and Transformations; Mouse and Keyboard Input; QTimer, Multi-Threading. It seems that using QTimer from a QThread doesn't work, the callback is never run. By voting up you can indicate which examples are most useful and appropriate. The QTimer class provides a high-level programming interface for timers. 7 Reference Guide » PyQt5 Reference Guide The PyQt_PyObject Signal Argument Type; Connecting Slots By Name;. 3 as published by the Free Software Foundation. In this PyQT GUI application development tutorial, we're going to cover how to add a progress bar to your window. handled with a QTimer that gets called 10 times a second. [PyQt] Afficher quelque chose pendant le chargement × Après avoir cliqué sur "Répondre" vous serez invité à vous connecter pour que votre message soit publié. After all, the signal-slot connection mechanism only specifies how to connect a signal to a slot - the signal's arguments are passed to the slot, but no additional (user-defined) arguments may be directly passed. When I do, I end up with the entire table displayed as the child of every node (and grandchild, and so-on). Contribute to baoboa/pyqt5 development by creating an account on GitHub. QApplication. Currently. OK, I Understand. QTimer()¶ class PyQt4. 推荐:C++虚基类的作用及使用1 一. So it should be. Qt: QTimer和QThread; 在QThread中使用QTimer; QThread与QTimer使用注意; TopicSpace: PyQt4, QThread example; pyqt 托盘例子学习; pyqt QTableView例子学习; pyqt columnView例子学习; pyqt QTreeWidget例子学习; PyQt5用QTimer编写电子时钟; pyqt 自定义例子学习; pyqt 配置文件例子学习; pyqt tabWidget例子学习1. I am trying to display data from a QAbstracctTableModel in a QTreeView. I have a GUI application and I want to trigger an event after my GUI starts: if __name__=="__main__": a = QApplication(sys. This tutorial is aimed at beginners just starting out with PyQt/PySide and Qt Designer, it will cover very basic usage of PyQt in combination with Qt Designer. 后卸载64位的PyQt后,再装32位的PyQt后则成功。目测是之前装的Python2. PyQt is a set of Python bindings for Qt that are dual-licensed under the GPL (version 2 and 3, with additional license exceptions) and a commercial license. I guess that job is done in the timerFired slot which is still executed in the context of the main thread, because the object that is implementing this slot was not moved to another thread. If the timer is already running, it will be stopped and restarted. There is an optional argument that can be used if there are multiple cameras; the default first camera is number 1. setSingleShot (self, bool asingleShot). question() to display the messagebox. They provide an excellent foundation. The importAll function of pyqtgraph, however, looks for. But PyQt exposes Qt. pyqt PyQt代码片段. 6, this module provides PEP 8 compliant aliases and properties to replace the camelCase names that were inspired by Java’s threading API. Qt->Qt Gui Application:. The QTimer class provides a high-level programming interface for timers. I've tried different things but nothing worked. 我在线程类(继承QThread)里面用了一个QTimer,并有一个对应的slot函数。 运行的过程中会报错: QObject: Cannot create children for a parent that is in a different. Qt import QtCore, QtGui __all__ = ['FeedbackButton']. The transition from Qt 4. En outre, compiler PyQt 4. I need to be able to use the QTimer, but I can't get it to work. From then on it will emit the timeout() signal at constant intervals. QTimer前言如果在应用程序中周期性地进行某项操作,比如周期性的检测主机的cpu值,则需要用到QTimer定时器,QTimer类提供了重复和单次的定时器,要使用定时器,需要先创建一个QTimer实例 博文 来自: jia666666的博客. void QTimer::singleShot ( int msec, QObject * receiver, const char * member ) [static] This static function calls a slot after a given time interval. You can vote up the examples you like or vote down the ones you don't like. By voting up you can indicate which examples are most useful and appropriate. I'm just learning python for fun, and I can't figure out for the life of me how to simply display an image. 我有一个PyQt GUI,其中包含一个QTextEdit在代码执行期间显示print语句的框。我选择通过重定向来执行此操作sys. We use cookies for various purposes including analytics. # # QTimer: from PyQt5. isSingleShot (self) QTimer. The transition from Qt 4. Who knows. メモ的に記録しています。正確ではない情報です。. To use it, create a QTimer, connect its timeout() signal to the appropriate slots, and call start(). All your code in one place. Search the history of over 384 billion web pages on the Internet. Try answering these questions to test your. The transition from Qt 4. Qt->Qt Gui Application:. It can read the current time from the system clock and measure a span of elapsed time. PyQt5: Timer in a thread. We set the timer to repeat the function call every 400 milliseconds. Please let me know if I'm missing any restrictions on PyQt, threads, QTimer etc. The importAll function of pyqtgraph, however, looks for. 0 from Slackware repository. 5的文檔。這個文件不是諾基亞官方文件,但提供諾基亞的許可。 因為這是基於Qt的C + +文檔仍包含C + +代碼片段、斷開鏈接等,這些問題將在以後的版本中修復。. py You can use while and for loops without blocking the GUI. All other Qt modules rely on this module. Python Qt5 - the QTimer class. How to display messages in the QGIS log from within a QTimer callback? I should be using the QTimer class to make an How to use processing in a PyQT plugin in. QObject provides some very powerful capabilities like: object name : you can set a name, as a string, to an object and search for objects by names. If you are buildling at a standalone app you should import qgis. I don’t have any experience with PyGTK3. Copy the code below to see a progressbar counting from 50% to 100%. This signal does nothing, by itself; it must be connected to a slot, which is an object that acts as a recipient for a signal and, given one, acts on it. Scribd is the world's largest social reading and publishing site. If you have a working knowledge of Python but aren't too familiar with the ins and outs of the PyQt framework, this book will be an invaluable resource. It is a Python interface for Qt, one of the most powerful, and popular cross-platform GUI library. 毎秒更新されるmatplotlibグラフをPyQt GUIメインウィンドウに埋め込もうとしています。私のプログラムでは、threading. Several weeks ago, I wrote a simple web crawler that was designed to simply retrieve robots. Qt itself is written in C++. In this section of the tutorial, we will describe several useful widgets: a QCheckBox, a QPushButton in tooggle mode, a QSlider, a QProgressBar, and a QCalendarWidget. x to Qt 5 is not expected to be significant. × Attention, ce sujet est très ancien. PyQt is a set of Python bindings for Qt that are dual-licensed under the GPL (version 2 and 3, with additional license exceptions) and a commercial license. 6) with PyQt4. python - PyQt - GUI内でループを実行する; python - コードにQTimerがない場合、なぜ「QTimerはQThreadで開始されたスレッドでしか使用できない」というメッセージが表示されるのですか? Pythonが. Design, interfaces and structures. In my previous article, I shared how to use PyQt and Dynamsoft Barcode Reader to create a simple Windows-styled GUI app to read barcodes from image files. The QTimer class provides a high-level programming interface for timers. The QTime class provides clock time functions. PyQt5 messagebox code. The tutorial will guide you,. They are extracted from open source Python projects. The following are 50 code examples for showing how to use PyQt4. PyQtのループの中で待つ方法(time. exec_ (self, ProcessEventsFlags flags = QEventLoop. Qt: QTimer和QThread; 在QThread中使用QTimer; QThread与QTimer使用注意; TopicSpace: PyQt4, QThread example; pyqt 托盘例子学习; pyqt QTableView例子学习; pyqt columnView例子学习; pyqt QTreeWidget例子学习; PyQt5用QTimer编写电子时钟; pyqt 自定义例子学习; pyqt 配置文件例子学习; pyqt tabWidget例子学习1. I am trying to understand how to run a second event loop using a qthread. connect(chamar) timer. Try answering these questions to test your. The tutorial will guide you,. resize (340, 100) # Set window title w. Let's open up Forms by double-clicking the mainwindow. On debian/linux both printing callbacks are run, but on windows only the first non-threaded one is called. But when I hide current window, there's no application icon in the taskbar. The QTimer class provides a high-level programming interface for timers. Python PyQt4. In this part of the PyQt5 tutorial, we create a statusbar, menubar and a toolbar. The example use QDate, QTime, and QDateTime classes. 6, OpenCV 3, PyQT 5 I’m using Python 3. Live Data in PyQt4 with MatplotlibWidget July 30, 2016 Scott Leave a comment GitHub , Python I keep getting involved in projects which require live data to be graphed in real time. In addition to the full range of standard Qt widgets, you can now install your own pure Python custom widgets and use them in your designs. You can easily see what we've done. sleep()메서드가 실행되는 동안 다른 어떠한 버튼도 조작할 수 없고 강제로 하려고 하면 프로그램이 응답없음과 함께 튕겨버리는. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. A frequent question coming up when programming with PyQt is how to pass extra arguments to slots. PyQt layout refresh/update Hi all, I'm trying to program a simple graphical display interface with PyQt4 and am encountering a problem with regards to refreshing the content of the widgets. OK, I Understand. When a user takes an action — clicking on a button, selecting a value in a combo box, typing in a text box — the widget in question emits a signal. The following are code examples for showing how to use pyqtgraph. Q&A c – QTimerがいくつか重なっているとどう. Source code for pyqtgraph. The QTime class provides clock time functions. C – 直接接続またはキュー接続を介してスロットを呼び出すQTimerタイムアウトスロットの違いは何ですか? 2019-06-28 c qt qtimer qapplication. メモ的に記録しています。正確ではない情報です。. We can change the current value of a QProgressBar using the QProgressBar. In this chapter of the PyQt5 tutorial, we continue describing PyQt5 widgets, QPixmap, QLineEdit, QSplitter, and QComboBox. The QTimer class provides a high-level programming interface for timers. PyQt, Page 17 - Forum d'entraide sur PyQt. 二、使用 QTimer 类. txz for Slackware 14. ProgrammingKnowledge 23,733 views. From then on it will emit the timeout() signal at constant intervals. Hello, I need some help on the usage of Qtimer. Ici je simule la mesure avec un petit "random" mais le problème qui me. In Brief: The version of QVTKRenderWindowInteractor that ships with VTK 5. This makes PyQt very useful as a rapid prototyping tool for applications that will eventually be (partly or completely) implemented in C++ because the user interface designs can be re-used without modification. run(), respectively), one of them should drive the other. Good init methods. You can't import QStringList in QGIS 2. If I implement a simple, and of course, much more simplistic 2D window in 'raw' PyQt, this easily gives 95 FPS with 1000 datapoints. The event loop is started by calling. He contributes to various open source Python and Javascript projects. Listing 1: Using Python Threads and a PyQt GUI. I have a pyqt app which reads data from a fifo ( created with mkfifo) BTW I used a QTimer before but I. PyQt5 has a wide range of various widgets, including buttons, check boxes, sliders, or list boxes. Qt’s documentation is very well written and we encourage all pyqtgraph developers to familiarize themselves with it. QTimer (parent=None) ¶. emit(SIGNAL("mySignalName"), myarg). The QTimer class provides repetitive and single-shot timers. Then, Run the code. Clone via HTTPS Clone with Git or checkout with SVN using the repository's web address. 解决PyQt错误(QObject::startTimer: QTimer can only be used with threads started with QThread) Qt之QTimer与多线程 QT “Timers can only be used with threads started with QThread”的解决办法~. On debian/linux both printing callbacks are run, but on windows only the first non-threaded one is called. QThread represents a separate thread of control within the program; it shares data with all the other threads within the process but executes independently in the way that a separate program does on a multitasking operating system. Live Data in PyQt4 with MatplotlibWidget July 30, 2016 Scott Leave a comment GitHub , Python I keep getting involved in projects which require live data to be graphed in real time. IntendedLearningOutcomes. It can read the current time from the system clock and measure a span of elapsed time. The following are 50 code examples for showing how to use PyQt4. × Attention, ce sujet est très ancien. OpenCV was. Here are the examples of the python api PyQt5. We use cookies for various purposes including analytics. 经常看到有人问在PyQt里面如何做长操作的时候更新GUI。我自己总结了几种方案,以及他 们的适用场合: 使用processEvents(),适合每次处理时间短的情况,缺点是CPU占用可能很大:. Hi, I have a slot that is connected to QTimer's signal. Embedding widgets inside PyQt applications; PyQt and PySide; Embedding PyQtGraph as a sub-package of a larger project; Installation; Requirements; Qt Crash Course. PyQt5 has a wide range of various widgets, including buttons, check boxes, sliders, or list boxes. But when I hide current window, there's no application icon in the taskbar. This tutorial is written in PyQt4, but there is a newer version, PyQt5, that you can use. It useful to be able to spawn a thread and pass it arguments to tell it what work to do. From then on it will emit the timeout() signal at constant intervals. Inscrivez-vous gratuitement pour pouvoir participer, suivre les réponses en temps réel, voter pour les messages, poser vos propres questions et recevoir la newsletter. A menu is a group of commands located in a menubar. I have a GUI application and I want to trigger an event after my GUI starts: if __name__=="__main__": a = QApplication(sys. core before import PyQt4 because PyQt4 will set the sip API to V1 before QGIS can set it to v2. QTimer and PyQt 1. class Worker(QThread): def __init__(self, parent = None): QThread. Recent versions of PyQt contain something special for developers who use Qt Designer to design the user interfaces for their applications. 解决这个问题,既然不能用 python 的 time 库,那就用 PyQt 自己的 QTimer 类. Pythonのドキュメントにも、Tkinter, wxPython, PyQt, Kivy, さらにpygletだけにとどまらず、いくつものGUIツールキットが紹介されており、あたかも全てが公式のようです。サポートの面からも、いずれもコミュニティがあまり生き生きしていないようで、「このツール. OK, I Understand. Please try again later. It is written for PyQt, but is equally applicable to Qt for Python / PySide. The parent argument, if not None, causes self to be owned by Qt instead of PyQt. int QEventLoop. From then on, it will emit the timeout() signal at constant intervals. Currently. When a QTimer emits the timeout signal, it gets put in the message queue and the slot is called by the event posting mechanism. He contributes to various open source Python and Javascript projects. Inscrivez-vous gratuitement pour pouvoir participer, suivre les réponses en temps réel, voter pour les messages, poser vos propres questions et recevoir la newsletter. A "live" data monitor with Python, PyQt and PySerial August 07, 2009 at 14:57 Tags Python , Serial port The previous couple of posts about the PySerial module for serial communications with Python were just a basic introduction. I have written this very basic Python code with PyQt5 to create a Memory Game. Actually for now I am trying to figure how to trigger QTimer. Search the history of over 384 billion web pages on the Internet. PyQt Class Reference. 主要内容 主要了解PyQt程序的整体框架; 涉及模块:QApplication, QLabel , QTimer 实例讲解 首先先看一个简单的PyQt程序: 1 2 3 4 5. It looks like your problem is related to your another code. connect(chamar) timer. I have a GUI application and I want to trigger an event after my GUI starts: if __name__=="__main__": a = QApplication(sys. The latest version of PyQt can be downloaded from its official website − riverbankcomputing. Here are the examples of the python api PyQt5. My PyQt Scribbles (Python and Qt) #5: Event-Handling Mechanism (QEvent: moveEvent() and closeEvent()) In this installment of My PyQt Scribbles we will have a look to the event-handling mechanism. PyQt, Page 17 - Forum d'entraide sur PyQt. To use it, create a QTimer , connect its timeout() signal to the appropriate slots, and call start(). When I do this it, other widgets become rather.