Reload swaybar/swaybg on config reload.

This works by tracking the pids of the child processes in the related
output container and terminating the processes and spawning new ones on
a config reload.

Should solve: #347

2 files changed, 8 insertions, 0 deletions

diff --git a/include/config.h b/include/config.h
index 32562908..1f25a0cd 100644
--- a/include/config.h
+++ b/include/config.h
@@ -184,6 +184,8 @@ int sway_mouse_binding_cmp(const void *a, const void *b);
 int sway_mouse_binding_cmp_buttons(const void *a, const void *b);
 void free_sway_mouse_binding(struct sway_mouse_binding *smb);
 
+void load_swaybars(swayc_t *output, int output_idx);
+
 /**
  * Allocate and initialize default bar configuration.
  */
diff --git a/include/container.h b/include/container.h
index 9a67a689..d76160de 100644
--- a/include/container.h
+++ b/include/container.h
@@ -1,5 +1,6 @@
 #ifndef _SWAY_CONTAINER_H
 #define _SWAY_CONTAINER_H
+#include <sys/types.h>
 #include <wlc/wlc.h>
 typedef struct sway_container swayc_t;
 
@@ -81,6 +82,11 @@ struct sway_container {
         char *class;
         char *app_id;
 
+        // Used by output containers to keep track of swaybar/swaybg child
+        // processes.
+        list_t *bar_pids;
+        pid_t bg_pid;
+
         int gaps;
 
         list_t *children;