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Previously we would pass button state and draw information to widget draw callbacks in a rather hacky way. Some specific flags from `uiBut.flag` were masked out, so their bits could be reused for also passing `uiBut.drawflag` in the same int. Instead this commit introduces a state-info struct that can properly hold all the relevant data. This has the advantage that it's now easier to introduce new state data that needs to be accessible in the widget callbacks. Since we are running out of button flags, we plan to reorganize button flags, and split them up into multiple bitfields. In the widget drawing code, this would have been a hassle earlier. Also had to add a new widget callback to draw blocks as widgets (popup backgrounds), since that would pass block flags where we would usually pass button flags. This wasn't nice, now it's separated more clearly.
.. Keep this document short & concise, linking to external resources instead of including content in-line. See 'release/text/readme.html' for the end user read-me. Blender ======= Blender is the free and open source 3D creation suite. It supports the entirety of the 3D pipeline-modeling, rigging, animation, simulation, rendering, compositing, motion tracking and video editing. .. figure:: https://code.blender.org/wp-content/uploads/2018/12/springrg.jpg :scale: 50 % :align: center Project Pages ------------- - `Main Website <http://www.blender.org>`__ - `Reference Manual <https://docs.blender.org/manual/en/latest/index.html>`__ - `User Community <https://www.blender.org/community/>`__ Development ----------- - `Build Instructions <https://wiki.blender.org/wiki/Building_Blender>`__ - `Code Review & Bug Tracker <https://developer.blender.org>`__ - `Developer Forum <https://devtalk.blender.org>`__ - `Developer Documentation <https://wiki.blender.org>`__ License ------- Blender as a whole is licensed under the GNU General Public License, Version 3. Individual files may have a different, but compatible license. See `blender.org/about/license <https://www.blender.org/about/license>`__ for details.