Transparent TPanel at Design Time. Why?
lazarus / 10-Designer

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jabbersocky · 2012-11-16 19:15

Hi.

Am a new Lazarus user, who spent years making my living with Delphi 3
to 7.  Really am impressed with the work being done on Lazarus and am
keen to start some new projects with it.

Minor gripe, but one that irritates me: Why is it that some of my
visual components eg: TPanel, TRadioGroup are transparent at design
time?  Can I configure this so they behave more like their Delphi
counterparts when I first throw them on the form?

Many thanks.
Andrew.

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Leledumbo · 2012-11-16 21:21

QuoteWhy is it that some of my visual components eg: TPanel,
TRadioGroup are transparent at design time?OS? Widgetset? Because they
don't on my Kubuntu with Qt widgetset.

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jabbersocky · 2012-11-18 16:32

Thanks for replying.

This is from a default install on Win8.

The more I think about it, it's not so much that they are transparent,
but rather that these controls also display the designer grid that the
form uses. 

I guess it's because they themselves are container controls.  The
upshot is that it makes them look transparent when placed onto a form,
rather than actually being transparent per se.

If that's the case then I can understand the rationale, but I'd rather
have them behave in the way I've been used to, hence I was wondering
if there was a way of not showing the grid within container controls,
but still show it on the form.

Thanks.
Andrew.

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Zoran · 2012-11-20 11:36

This is how you can turn off the grid:
1. In main menu chose Tools->Options...
2. In the tree view, on the left, select Environment->Form Editor
3. On the right find and uncheck Show grid check box

However, this will turn off the grid in all containers, including
form. I don't think that you can turn the grid showing on forms, and
off for all other controls.
See: http://wiki.lazarus.freepascal.org/IDE_Window:_Environment_Option
s#Form_Editor

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HatForCat · 2013-03-26 01:25

I am a Lazarus newbie too, (OK this is over 120 days old) but setting
the default color for a new Panel to clSilver would overcome the
problem of transparency.

Is there somewhere I can change that Panel default color?

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Blaazen · 2013-03-26 01:39

Not in Lazarus. Lazarus uses color themes of the system. You can
change it in your system settings. Default color of components is
(almost always) clDefault. Two years ago I was curious how it works: h
ttp://www.lazarus.freepascal.org/index.php/topic,12722.msg65750.html#m
sg65750

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HatForCat · 2013-03-26 17:29

Thanks. That answers the question.