We need to think about shapes also.
The proposed minimum target sizes are for square shapes.
We already have rectangular targets which are smaller along one dimension.
For example, the small segment of line between two columns headers in Calc.
It is draggued in order to resize the columns.
It seems the target associated is 5px wide and 20px tall.
I don't know if we have also circular or triangular targets.
On 28/12/2013 02:51, Mirek M. wrote:
I'd like to establish some minimum target sizes.
Minimum mouse target size: 6px; as large as the arrow button in a
GtkSpinBox in the current theme for theme-dependent controls
Minimum touch target: 7mm
The bit about the GtkSpinBox is from the Gnome HIG , which we refer to
when we don't have guidelines of our own. 6px was suggested by me. All the
spin box arrow buttons that I looked at (Windows, Mac OS X, Adwaita, and
some other themes I found using image search) had widths and heights larger
The touch target is based on both the Android guidelines  and the WP
If no one objects, I'll add these to the guidelines after the upcoming IRC
chat. (There will, of course, be room for discussion and edits afterwards.)
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