Minor refactor of input manager

The input manager is a singleton object. Passing the sway_input_manager
argument to each of its functions is unnecessary, while removing the
argument makes it obvious to the caller that it's a singleton. This
patch removes the argument and makes the input manager use server.input
instead.

On a similar note:

* sway_input_manager.server is removed in favour of using the server
global.
* seat.input is removed because it can get it from server.input.

Due to a circular dependency, creating seat0 is now done directly in
server_init rather than in input_manager_create. This is because
creating seats must be done after server.input is set.

Lastly, it now stores the default seat name using a constant and removes
a second reference to seat0 (in input_manager_get_default_seat).

1 files changed, 1 insertions, 1 deletions

diff --git a/sway/debug-tree.c b/sway/debug-tree.c
index 16b479f9..b3266241 100644
--- a/sway/debug-tree.c
+++ b/sway/debug-tree.c
@@ -140,7 +140,7 @@ void update_debug_tree(void) {
         cairo_t *cairo = cairo_create(surface);
         PangoContext *pango = pango_cairo_create_context(cairo);
 
-        struct sway_seat *seat = input_manager_current_seat(input_manager);
+        struct sway_seat *seat = input_manager_current_seat();
         struct sway_node *focus = seat_get_focus(seat);
 
         cairo_set_source_u32(cairo, 0x000000FF);