Re: Alignment of labels in table

[muppet <scott asofyet org>]

On Nov 13, 2005, at 1:31 PM, Peter Daum wrote:

> I am trying to create a (table-based) form with left-aligned labels.
> In the Example below, the text in the left column is always centered,
> no matter what I do with "set_alignment" or "set_justify".
> What am I missing?

set_justify only pertains to multiline labels -- it tells pango how  
to align the lines of the paragraph.

set_alignment tells Gtk2::Misc (Gtk2::Label's parent class) where to  
place the contents of the widget when it is allocated more space than  
it requests.

So, the trick is to make sure that the label, which is set to align  
to the left, is allocated all the space of the place where you want  
it to go.  In Gtk2::Table's packing terms, that means the x options  
must contain "fill", which means "the child should be allocated all  
the space of the cell, or, should fill the cell".  You specified  
"shrink", which allocates the child exactly as much space as it asked  
for, and therefore your alignment settings are ignored.


>  my $window = new Gtk2::Window( "toplevel" );
>  my $t=new Gtk2::Table(2,2,0);
>  $window->add($t);
>  my $l1=Gtk2::Label->new('a');
>  my $l2=Gtk2::Label->new('bla blasdf');
>  my $l3=Gtk2::Label->new('Zsdf bla sdflks');
>  my $l4=Gtk2::Label->new('bla');

$l1->set_alignment (0.0, 0.5);
$l2->set_alignment (0.0, 0.5);
$l3->set_alignment (0.0, 0.5);
$l4->set_alignment (0.0, 0.5);

>  $t->attach($l1,0,1,0,1,'shrink','shrink',10,10);

$t->attach($l1,0,1,0,1,'fill','string',10,10);

>  $t->attach($l2,1,2,0,1,['expand','fill'],'expand',10,10);
>  $t->attach($l3,0,1,1,2,'shrink','shrink',10,10);

$t->attach($l3,0,1,0,1,'fill','string',10,10);

>  $t->attach($l4,1,2,1,2,['expand','fill'],'expand',10,10);




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