* It can be hidden by dragging it up/down.
* It can be at the top or bottom, independent of the header.
* It uses the color theme from the header.
* It does not change its color, when the area becomes active.
Currently, it is used in the text editor to display the file path.
Differential Revision: https://developer.blender.org/D4601
This couldn't be accessed because the poll function was checking the
active button.
Add a "color_ramp" context pointer which is set by the menu.
Alternative fix to D3984
BF-admins agree to remove header information that isn't useful,
to reduce noise.
- BEGIN/END license blocks
Developers should add non license comments as separate comment blocks.
No need for separator text.
- Contributors
This is often invalid, outdated or misleading
especially when splitting files.
It's more useful to git-blame to find out who has developed the code.
See P901 for script to perform these edits.
Was using UI_BLOCK_LOOP to control draw style,
this meant we couldn't use popup theme colors for cases
where it the interface has the same purpose as a popup but happens
not to use this flag.
block and layout could be NULL and checking this everywhere
wasn't practical.
Instead of lazy initializing, add UI_popup_menu_end_or_cancel
which cancels empty popup menus.
