PyQt5 tutorial(Drag & drop)
In computer graphical user interfaces, drag-and-drop is the action of (or support for the action of) clicking on a virtual object and dragging it to a different location or onto another virtual object. In general, it can be used to invoke many kinds of actions, or create various types of …
PyQt5 tutorial(Widgets II)
QPixmapis one of the widgets used to work with images. It is optimized for showing images on screen.
from PyQt5.QtWidgets import (QWidget, QHBoxLayout, QLabel, QApplication) from PyQt5.QtGui import QPixmap import sys class Example(QWidget): def __init__(self): super().__init__() self.initUI() def initUI(self): hbox …
- Widgets are basic building blocks of an application. PyQt5 has a wide range of various widgets, including buttons, check boxes, sliders, or list boxes. 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 …
- Dialog windows or dialogs are an
indispensablepart of most modern GUI applications. A dialog is defined as a conversation between two or more persons. In a computer application a dialog is a window which is used to "talk" to the application. A
dialogis used to
PyQt5 tutorial(Events and signals)
GUI applications are
event-driven. Events are generated mainly by the user of an application. But they can be generated by other means as well; e.g. an Internet connection, a window manager, or a timer. When we call the application's
main loop. The …
PyQt5 tutorial(Layout management)
Layout management is the way how we place the widgets on the application window. We can place our widgets using
absolute positioningor with
layout classes. Managing the layout with
layout managersis the
preferredway of organizing our widgets.
- The programmer specifies the position and the size …
PyQt5 tutorial(Menus and toolbars)
QMainWindowclass provides a main application window. This enables to create a classic application skeleton with a statusbar, toolbars, and a menubar.
A statusbar is a widget that is used for displaying status information.
import sys from PyQt5.QtWidgets import QMainWindow, QApplication class Example(QMainWindow): def __init__ …
PyQt5 tutorial(First programs)
import sys from PyQt5.QtWidgets import QApplication, QWidget # The basic widgets are located in PyQt5.QtWidgets module if __name__ == '__main__': # Every PyQt5 application must create an application object. # The sys.argv parameter is a list of arguments from a command line. # Python scripts can be run from …
PyQt5 tutorial(Date and time)
QDate, QTime, QDateTime
- PyQt5 has
QTimeclasses to work with date and time.
QDateis a class for working with a calendar date in the Gregorian calendar. It has methods for determining the date, comparing, or manipulating dates.
QTimeclass works with a clock time. It …
- PyQt5's classes are divided into several modules
|QtCore||The QtCore module contains the core non-GUI functionality. This module is used for working with time, files and directories, various data types, streams, URLs, mime types, threads or processes.|
|QtGui||The QtGui contains classes for windowing system integration …|