摘要：
The most universal layout class is the grid layout. This layout divides the space into rows and columns. To create a grid layout, we use theQtGui.QGri... 阅读全文
2015年4月17日
摘要：
Layout management with layout classes is much more flexible and practical. It is the preferred way to place widgets on a window. TheQtGui.QHBoxLayouta... 阅读全文
摘要：
The programmer specifies the position and the size of each widget in pixels. When you use absolute positioning, we have to understand the following li... 阅读全文
摘要：
In the last example of this section, we create a menubar, a toolbar and a statusbar. We also create a central widget.#!/usr/bin/python# -*- coding: ut... 阅读全文
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Menus group all commands that we can use in an application. Toolbars provide a quick access to the most frequently used commands.#!/usr/bin/python# -*... 阅读全文
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A menubar is a common part of a GUI application. It is a group of commands located in various menus.#!/usr/bin/python# -*- coding: utf-8 -*-"""ZetCode... 阅读全文
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Main windowTheQtGui.QMainWindowclass provides a main application window. This enables to create a classic application skeleton with a statusbar, toolb... 阅读全文
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The following script shows how we can center a window on the desktop screen.#!/usr/bin/python# -*- coding: utf-8 -*-"""ZetCode PyQt4 tutorial This pro... 阅读全文
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By default, if we click on the x button on the titlebar, theQtGui.QWidgetis closed. Sometimes we want to modify this default behaviour. For example, i... 阅读全文
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The obvious way to how to close a window is to click on the x mark on the titlebar. In the next example, we will show how we can programatically close... 阅读全文
