Is it feasible to customize the appearance of native scrollbars in GWT without the need for custom scrollbar definitions or the use of ScrollPanel or CustomScrollPanel?

After encountering an issue with a page jumping due to the appearance of a vertical scroll bar, I have decided to always display the scroll bar by applying 

html { overflow-y: scroll !important; }
, instead of using a script to monitor and adjust window/document width. Another idea is to style the bar as transparent and button-less after page load to give the illusion of no scrollbar. Some suggest replacing RootPanel with RootLayoutPanel, but that's not an option here.

Is there a way to style the native vertical scroll bar without adding another wrapper panel or custom bar? More information can be found here.

This code snippet shows how to detect if a vertical scroll bar is present:

if( RootPanel.getBodyElement().getOffsetHeight() > Window.getClientHeight() )
    //bar is present

The goal is to implement these changes without the user noticing any difference in appearance.

javajavascriptjquerycssgwt

Answer №1

Customizing native scroll bars can only be done in specific browsers using vendor-specific syntax. For more information, check out this answer on custom CSS scroll bars in a div.

In response to your question, scrollbars can be styled in IE, Webkit, and Opera, but not in Firefox.

If you're experiencing page jumping when the scroll bar appears, the issue can only be resolved with JavaScript or by keeping it always visible. Unfortunately, CSS alone cannot fix the jumping effect in browsers that support it.

To address this issue, GWT developed the CustomScrollPanel, which may be a suitable solution for you despite any reservations. Personally, I find that it works well and see no reason not to use it in this scenario.

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