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List:       kde-look
Subject:    Re: on value edit fields (i.e. the too small buttons inside)
From:       Rik Hemsley <rik () kde ! org>
Date:       2002-09-03 19:04:34
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#if Steven D'Aprano
> Sliders should *always* display values, at least start and end
> values. That's just common sense, and I'm amazed that anyone would
> forget that.

Thankfully we use KNumInput and its derived classes for most numeric
input situations in KDE, so making the adjustment of adding the min
and max values is not too difficult.

Currently KNumInput holds a QSpinBox and a QSlider, arranged thus:

 _____
|_____| |-------------<==>---|

I like Steven's idea of having the numbers under the slider and
enlarging the buttons in the spinbox.

So, what we are looking at is this.
 _____
|     | |-------------<==>---|
|_____| min                max

There are two difficult things that need to be done:

1. Adjust KNumInput::layout(). This is not an entirely trivial function.
   It handles the case of stacking more than one KNumInput widget vertically,
   ensuring the contained widgets line up in a pleasant way.

The number labels can be set with KLocale::formatNumber, which should
handle localisation nicely.

2. Handle 'reverse' layout (for right-to-left locales.)

I don't know what is involved here. Perhaps nothing. Anyone else know ?

3. Go through all KDE code looking for use of KNumInput (derived classes)
   and have a look at the on-screen appearance of the dialogs that use
   these. This will be necessary to avoid problems such as KControl modules
   growing extremely tall. The new layout will be approximately twice as
   high as the original, even larger when larger fonts than the defaults
   are used.

Why am I writing this email instead of implementing the proposal ?
I'm really busy with non-KDE stuff, sorry :(

Rik

- -- 
http://rikkus.info
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