[lazarus] New IDE bugs ?

[Mattias Gaertner]

On Sun, 23 Nov 2003 13:44:44 +0100  Mattias Gaertner
<nc-gaertnma at netcologne.de> wrote:

> On Sun, 23 Nov 2003 13:26:46 +0100  Vincent Snijders <vslist at zonnet.nl>
> wrote:
> 
> > On Sun, 23 Nov 2003 11:43:01 +0100
> > Mattias Gaertner <nc-gaertnma at netcologne.de> wrote:
> > 
> > > On Sun, 23 Nov 2003 12:16:54 +0100 (CET)  Michael.VanCanneyt at wisa.be
> > > wrote:
> > > 
> > > > Hi,
> > > > 
> > > > There are (at least) 2 bugs which have crept in lately. They seem
> > > > related, because the symptoms are the same.
> > > > 
> > > > - Configure 'Build lazarus' dialog: The grid with descriptions 
> > > >   (or whatever component it is) is completely black (but
> > > >   build/skip/install icons are shown) and only the  current
> > > >   selection is shown in white  letters.
> > > > 
> > > > - 'Find in files' search result: everything is black in the
> > > > memo/whatever,
> > > > 
> > > >   only the current selection is printed in white letters. 
> > > > 
> > > > This is from todays CVS update, compiled with a 1.0.10 version of
> > > > FPC.
> > > 
> > > Both are TListBox and both are drawing the background with clWindow.
> > > Let's see ..
> > > 
> > > 
> > > Mattias
> > 
> > FYI, this is the same as bug 153. Please also take a look at what Tony
> > and Andrew were discussing in the "Black clBtnFace fix? was Patch for
> > searchresults dialog" thread.
> > 
> > I wanted to try Andrew's suggestion, but couldn't find the exact
> > place to put the code.
> 
> Each system color is a special case. clBtnFace needs a different trick
> than clWindow.
> 
> In this case the problem is the following:
> 
> TListBox.OnDrawItem paints with clWindow to paint in the background color
> of the inner area. A TListBox is in the gtk a gtk_list with a list of
> gtk_list_item. The paint DC is that of the item, while the background is
> hardcoded in the gtk as the base[Normal_State] of the gtk_list.
> 
> This technique is common in the gtk. The best solution would be to
> retrieve the current background of the gdkwindow of the gtk_list_item, so
> we don't have to bother about the specific widget class. But I'm still
> searching for such function.
> 
> If I don't find it, I will add a gtk_list_item specific solution.

I added the gtk_list_item specific solution.


Mattias