zentara <[EMAIL PROTECTED]> writes:
>
> I chopped down your model to the point where it would draw a simple
> rectangle, without the mouse drag. Then I added a line at a time back in,
> until it stopped working.
>
> The culprit is:
>
> $gc->set_function ('xor');
Yes and no, I suspect there's no pixel values set into the gc. The RGB
parts of a GdkColor have no effect at the gc->set_foreground level ...
Mario Kemper <[EMAIL PROTECTED]> writes:
>
> my $redcolor = Gtk2::Gdk::Color->new (255, 0, 0);
> my $blackcolor = Gtk2::Gdk::Color->new (0, 0, 0);
>
> my $gc = Gtk2::Gdk::GC->new ($root, undef);
> $gc->set_foreground($redcolor);
> $gc->set_background($blackcolor);
> $gc->set_subwindow ('include-inferiors');
> $gc->set_function ('xor');
Incidentally it might be worth doing a grab_server to stop other clients
making a mess of the drawing at the same time ...
An alternative would be some little Nx1 windows to be the sides of the
rectangle and move/resize them. The disadvantage is it probably makes
the other clients do lots of redrawing - unless "save under" is enabled
in the server, which rather disappointingly it seems is not the default
in X.org 7 for instance.
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