With this code, the Text Properties menu uses the cursor position (point)
when it is accessed from the menu-bar and the mouse pointer position when it
is accessed via mouse popup menu (C-mouse-2). So, for instance, you can
point the mouse at some text and pick Describe Properties to see its text
properties.
Does this mean only for the menu items that operate on a single position?
Changing the text properties applies to a region, and the only sensible
thing for it to do is act on _the_ region, as it does now.
I also added items "Change Face Foreground", "Change Face Background", and
"Change Face Attribute" to the menu. The first two let you change a face
incrementally (using the arrow keys or mouse wheel). Using the C-mouse-2
popup menu, you can just point to some text that has a face and change the
face's colors incrementally. No need to know the face name or color
names/values beforehand: just point and tweak.
That is completely unrelated to changing the text properties of some
text, but it could be a useful feature, if it makes face customization
really easy. Can you describe the interface? How do you use the
mouse to change a color? Colors are in a 3-dimensional space,
and the mouse moves only in two dimensions.
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