On Tuesday 16 September 2008, Marco Martin wrote: > On Tuesday 16 September 2008, Dong Tiger wrote: > > Hi all, > > > > I tried to make Google Gadgets(GG in short) to work on plasma panel. Here > > is a screen shot of a vertical panel with 3 GGs. But there are still > > issues remain: > > > > 1. It doesn't work on horizontal panel. When added to horizontal panel, > > the applet gets a 'invalid' constraintsEvent with width constaint of 9 ( > > In my case).
it's not invalid; it's an or'd value, in this case SizeConstraint | FormFactorConstraint > > So the embedded GG just doesn't show up at all. > > strange, you are getting a SizeConstraint combined with a > FormFactorConstraint, not strange: it's added to a panel, so it changes size and form factor. > > 2. I can't adjust the size of an applet when it's on panel. I am using > > Plasma::ConstrainedSquare for these applets. > > constrainedSquare means that the applet for instance in an horizontal panel > can have a width at max equal to the panel height, but can be automatically > resized by the panel layout. in general you can't never ever call resize() > in the constraintevent when you are in the panel (or in a layout in > general) because it would collide with the automatic layout resize, thus > causing an infinite loop of resizing and 100%cpu usage... > > to set the size in a panel you should make it IgnoreAspectRatio and then > set minimum and maximum sizes, but this is quite ugly and error prone when > the panel switches run-time from vertical to horizontal. can't you just reimplement sizeHint and return different values based on formFactor()? -- Aaron J. Seigo humru othro a kohnu se GPG Fingerprint: 8B8B 2209 0C6F 7C47 B1EA EE75 D6B7 2EB1 A7F1 DB43 KDE core developer sponsored by Trolltech
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