TVTHeader.AutoScale() never decreases height. about virtual-treeview HOT 3 CLOSED

Thanks!

But, shouldn't TBaseVirtualTree.AutoScale behave in a similar way?

from virtual-treeview.

Is there a reason for this behaviour?

Well, I guess the original idea was to let the developer decide about the header height, but prevent cut off text which never makes sense.

Furthermore, changing the font is not the same as dpi-scaling. In dpi-scaling you have M and D and so can keep the relations between header height and other elements of the control.

How about tying the header height to DefaultNodeHieght?

from virtual-treeview.

I guess the original idea was to let the developer decide about the header height,

In that case the developer should not set toAutoChangeScale. Especially now that it is decoupled from DPI scaling. Setting this flag means that you allow VT to optimize node and header height, based on the font size.

How about tying the header height to DefaultNodeHieght?

This would not work when the header ParentFont is False. And in any case DefaultNodeHeight is also incorrect when you decrease the font size. The suggested changes fix both DefaultNodeHeight and header height.

Just think what needs to be done otherwise, if a user assigns a font with smaller size at run time:

• Change DefaultNodeSize manually
• Change the height of existing nodes.
• Change the header height manually

from virtual-treeview.