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How to show tooltips in Symbian applications

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Created: rathodavinash (27 Jun 2007)
Last edited: hamishwillee (25 Jul 2012)

A Tooltip is a small rectangular dialog that comes up as a help/description when you pause over a partucular control. It can either stay or dismiss in sometime.

Derive a container from CCoeControl, and in its ConstructL set the size of the rectangle of the tooltip along with the position where you want to show the tooltip.

iText->SetExtent(TPoint( 15, 15 ),iText->MinimumSize() );

iText here is a RichTextEditor.

void CTooltipContainer::Draw( const TRect& aRect ) const
///Make a Tooltip like rectangle
TRect iRect;
iRect = aRect;
CWindowGc& gc = SystemGc();
gc.SetBrushColor( TLogicalRgb( TRgb(254,255,213) ) );

This tooltip can be shown depending upon a HandleKeyEventL/HandleCommandL or use a Timer to detect pause on a control and then show the tooltip.

A good tooltip example is the Active Standby screen of S60 2nd ED FP3 onwards devices, where the active standby apps display a tooltip of the app name.

The code above is simple and works as long as you always draw the tooltip topmost in the controller. You can create a floating tooltip by using a separate window, removing the coupling, see .

This page was last modified on 25 July 2012, at 10:55.
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