- Update `ssd.state` in `ssd_create()` to avoid doing unnecessary work in
the next call to `ssd_update_geometry()`
- Reset `ssd.margin` in `ssd_destroy()` to avoid accidentally using stale
values
- Add `active` argument for consistency with `ssd_set_active()`
- `assert()` that `ssd_create()` is not called twice without an
`ssd_destroy()` in between
Gather related logic from `reload_config_and_theme()` in `server.c` and
`ssd_reload()` in `ssd.c` into a new function, `view_reload_ssd()`.
Also drop the `view->mapped` check since we want to update any view that
has SSD nodes created, mapped or not.
`view_set_decorations()` now calls `ssd_create()` and `ssd_destroy()`
explicitly to enable/disable decorations. As a result, the implicit
enable/disable logic in `ssd_update_geometry()` is no longer needed.
IMHO it encourages better design (by making dependencies more obvious)
to have source file/header file pairs like view.c/view.h, rather than a
monolithic header like labwc.h with everything in it.
I don't think we need to break up all of labwc.h at once, but maybe we
can start pulling it apart bit by bit as it's convenient.
Also:
- Move "struct border" to ssd.h so that view.h can use it without pulling
in all of labwc.h.
- Add a missing required #include within scaled_font_buffer.h (forward
declaration of "struct font" is not enough).
map() in xwayland.c called ssd_create() but did not call
view_apply_maximized_geometry() afterward, resulting in the
decorations being displayed off-screen.
Rather than calling view_apply_maximized_geometry() in more places,
let's reuse the existing call in view_set_decorations(), and extend
ssd_update_geometry() to call ssd_create() when needed.
Corner buttons (WINDOW_MENU and CLOSE) are one more level down in
the scene-tree (see add_scene_button_corner() in ssd_part.c).
This fixes a minor issue where, when right-clicking on the CLOSE
button, the client-menu would be displayed in the wrong location.
... and use Title for the Drag (Move) and DoubleClick (Maximize)
titlebar actions, which are unexpected when the cursor is over one
of the window buttons.
