While HTML formatting is generally frowned-upon compared to the alternatives, it provides a very quick and easy way to format text labels in various different manners, including using a combination of font faces, sizes, colors and other aspects (bold, italic, super/sub-script, underline etc.) within a single text label. Uicontrol('Style','list', 'Position', 'String'. In short, HTML parsing of GUI control strings is here to stay for the foreseeable future. This is expected to remain true even in Matlab’s upcoming web-based GUI system, since Matlab would need to consciously disable HTML in its web components, and I see no reason for MathWorks to do so.
This was true ever since Matlab GUI started relying on Java Swing components (which inherently accept HTML labels) over a decade ago. The HTML method relies on the fact that Matlab uicontrols accept and process HTML strings. Today I will only discuss the HTML variant. It turns out that there are at least two distinct ways to set uicontrol alignment, using HTML and using Java. So how can we force Matlab buttons (for example) to have right-aligned labels, or for listbox/table cells to be centered? Undocumented Matlab has the answer, yet again… Unfortunately, the control’s HorizontalAlignment property is generally ignored by uicontrols. Matlab automatically aligns the text contents of uicontrols: button labels are centered, listbox contents are left-aligned, and table cells align depending on their contents (left-aligned for strings, centered for logical values, and right-aligned for numbers).
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