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PySide GUI Application Development by Venkateshwaran Loganathan

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Showing a tooltip

Our next customization is to show a tooltip for the different modes of icons shown. Tooltip is handy when you need to show some help text or information to the users. Displaying help text for the widgets used in the window is an integral part for any GUI application. We use the PySide.QtGui.QToolTip class to provide tooltips (also called balloon help) for any widget. The QToolTip class define the properties of the tooltip like font, color, rich text display, and so on. As an example, the font properties can be set as:

QToolTip.setFont(QFont("Decorative", 8, QFont.Bold))

After setting the font, we set the tooltip to the widget by calling the setToolTip() function provided by the QWidget class:

 myLabel1.setToolTip('Active Icon') ...

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