在Pyqt5中使用了父类为Qmainwindow的话，在里面使用布局类，Qgridlayout， Qhboxlayout ，Qvboxlayout 时，发现不好用。 解决： 如果是在以Qwidget为父类的自定义类中使用这三个.
A menu is a group of commands located in a menubar. Msgdlg = msgdialog(self) because you passed self (the main window) as the parent to the constructor,. Pyqt5 quick start (iii) pyqt5 basic window components qmainwindow 1.
As The Name Suggests, Qpixmap Is A Pixmap, We Can Read.
The layout has a center. Pyqt5 qmainwindow mouse move event. Qmainwindow has its own layout to which you can add qtoolbars, qdockwidgets, a qmenubar, and a qstatusbar.
One Is Located In The File Menu And The Other One In The File's Import Submenu.
Qmainwindow.__init__(self) # exception hook that logs to console, file, and display a message box self.errordialogopened = false sys.excepthook = self.excepthook. Area that can be occupied by any kind. This centers it on whichever screen you pass it in the s param.
Qt Has Qmainwindow And Its Related Classes For Main Window Management.
Main window object of qmainwin. Self.center() the center() method allows the window to be located in the center of the screen. You can make it the one where center of the window is, its corner, where the cursor is or whatever you want.
In Other Words, The Windows Horizontal Position, Vertical Position, The Windows Width.
It may be a different function, it. Brief introduction of window type. Qmainwindow, qwidget and qdialog are used to create.