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qooxdoo Documentation, Release 4.1.1 Features • Contain text and/or icon. • Pointer and keyboard support. • Ellipsis: If the label does not fit into the widget bounds an ellipsis (”...”) is rendered at the end of the label. Description The button widget is a normal widget for a GUI. The button supports plain text and icon. Also it is possible to handle user interactions with pointer and keyboard. Demos Here are some links that demonstrate the usage of the widget: • A button demo with differently configured buttons • A window demo which using button API Here is a link to the API of the Widget: qx.ui.form.Button Canvas This widget embed the HTML canvas element. Note: It does not work with Internet Explorer Preview Image Features Since this widget is embedding the HTML canvas element the core features of this widget are limited by the canvas element itself respective by the implementation of the different browsers. However, the widget offers these features on top: • fires a redraw event whenever the dimensions of the canvas element has changed or the canvas element needs an update • update method for the canvas element • width and height of the canvas element as properties 11.2. GUI Toolkit 463
