Implement pid->workspace tracking

When you spawn a process with the exec command, sway now notes the
workspace you had focused and the pid of the child process, then assigns
that workspace to the child when its window appears.

Some of this is carried over from sway 0.15, but with some major
refactoring and centralization of state.

1 files changed, 2 insertions, 1 deletions

diff --git a/config.in b/config.in
index 4a11762a..41f53461 100644
--- a/config.in
+++ b/config.in
@@ -16,7 +16,8 @@ set $right l
 # Your preferred terminal emulator
 set $term urxvt
 # Your preferred application launcher
-set $menu dmenu_run
+# Note: it's recommended that you pass the final command to sway
+set $menu dmenu_path | dmenu | xargs swaymsg exec
 
 ### Output configuration
 #