> It's a question to behave consistently if we scale/zooned the widgets
> size/position we should as well do the same with it's font size.
Why?
The behaviour you describe is consistent, and is pretty much what every
toolkit does. Indeed, I can't, off-hand, think of any that scale label
font sizes as their containing widgets change size, though I guess a few
do allow that as a (non-default) optional behaviour?
The setting of font sizes is predominantly an accessibility issue, not a
simple cosmetic one, so changing the selected font size is seldom a wise
choice.
I know some users who will rant and roar if your change their font
settings in any way (particularly folk using screen readers, or with
poor eyesight, for example.)
<note>
That said, the default font settings in fltk are too small on some
modern high-DPI displays, so some means of setting the default font
appropriately is probably useful.
At present, in code where I care about the minimum font size, I attempt
to do this by trying to determine the display DPI at app start-up, then
I overwrite the global fontsize setting held in FL_NORMAL_SIZE (which
looks like a define, but is actually a global var originating in
Fl_Widget.cxx)
E.g.
/** Change Default font size for widgets */
extern Fl_Fontsize FL_NORMAL_SIZE;
:
:
my_new_size = 14;
:
:
// find the display DPI...
my_new_size = <whatever...>;
:
:
FL_NORMAL_SIZE = my_new_size;
:
// now create my widgets...
:
The default value for FL_NORMAL_SIZE is 14, but you can change it.
I always change it *before* creating any widgets though - I do not know
if changing it will dynamically scale the widget font sizes...
</note>
However, making the font smaller (or bigger) because the button is
shrinking (growing) - that I am not convinced by at all.
Or - am I not understanding what you are suggesting?
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