Florian Müllner 8347152730 calendar: Do not overload :active to mark selected day
We currently use the :active pseudo class to mark the selected day
in the calendar. Whenever the selected date changes, the class is
added to the corresponding button and removed from all others.
However when the selected date doesn't change (i.e. when clicking
the already selected date), the buttons are not updated and the
use of the :active class conflicts with StButton's builtin handling
of the class - the class is removed on the button up event and the
button is deselected.
Fix this by simply using a different pseudo class.

https://bugzilla.gnome.org/show_bug.cgi?id=746867
2016-07-08 16:11:43 +02:00
..

Summary
-------

* Do not edit the CSS directly, edit the source SCSS files and process them with SASS (running
  `make` should do that when you have the required software installed, as described below;
  run `/.parse-sass.sh` manually if it doesn't)
* To be able to use the lates/adequate version of sass, install ruby, gem, sass & bundle. 
  On Fedora F20, this is done with `sudo dnf install rubygems && gem install bundle && bundle install`
  from the same directory this README resides in.

How to tweak the theme
----------------------

Adwaita is a complex theme, so to keep it maintainable it's written and processed in SASS, the
generated CSS is then transformed into a gresource file during gtk build and used at runtime in a 
non-legible or editable form.

It is very likely your change will happen in the _common.scss file. That's where all the widget 
selectors are defined. Here's a rundown of the "supporting" stylesheets, that are unlikely to be the 
right place for a drive by stylesheet fix:

_colors.scss        - global color definitions. We keep the number of defined colors to a necessary minimum, 
                      most colors are derived from a handful of basics. It is an exact copy of the gtk+ 
                      counterpart. Light theme is used for the classic theme and dark is for GNOME3 shell 
                      default.

_drawing.scss       - drawing helper mixings/functions to allow easier definition of widget drawing under
                      specific context. This is why Adwaita isn't 15000 LOC.

_common.scss        - actual definitions of style for each widget. This is where you are likely to add/remove
                      your changes.
                      
You can read about SASS at http://sass-lang.com/documentation/. Once you make your changes to the
_common.scss file, you can either run the ./parse-sass.sh script or keep SASS watching for changes as you
edit. This is done by running `bundle exec sass --watch --sourcemap=none .` If sass is out of date, or is
missing, you can install it with `bundle install`.