This allows us to a) move away from cairo's "toy" API, and b) let the
user specify font options in a single font "name" string:
Serif:size=10:weight=bold:slant=italic
This also allows us to simplify the font code significantly (except
for the fontconfig parts...); the font no longer sets itself in a
cairo surface - font users do that; the font simply returns a
cairo_scaled_font_t.
Furthermore, font_clone() has now been simplified to basically just
refcount the scaled font. I.e. there's no need to run the full
constructor and lookup and instantiate the cairo scaled font again.
That is, instead of writing:
content:
list:
items:
- string: ..
- string: ..
It is now possible to write:
content:
- string: ...
- string: ...
Obviously, this means it's not possible to assign spacing, margin or
on-click handlers to such a list.
State exposed (tag names):
* name: the interface name ("eth0" etc)
* index: the interface index, "ifindex"
* state: operational state (down, up etc)
* mac: the Ethernet hardware address
* ipv4: the *last* IPv4 address added to the interface
* ipv6: the *last* IPv6 address added to the interface
State we monitor (for changes):
* state
* ipv4 addresses
* ipv6 addresses
Since we're typically interrested in *where* (on the progress-bar) the
user clicked, we need a way to pass the clicked position to the
handler.
Normally, the on-click handler is expanded when a particle
instantiates its exposable. At this point, we (obviously) don't have
the click position.
This is solved by expanding the handler a second time, when the bar is
clicked.
Thus, the user can use the "{where}" tag in the click handler. "where"
will be expanded to a percentage value (0-100).
The ramp particle is configured with a tag name and a list of
particles.
At instantiation time, a single particle is selected from the list,
depending on the tag value and it's minimum and maximum values.
I.e. this particle acts kind of like a progress bar.
This was always done before. Now that it is optional, one can for
example generate lists dynamically, using the same set of base
particles over and over again.
