swaybar: show hidden bar on key event

Since wayland does not currently allow swaybar to create global
keybinds, this is handled within sway and sent to the bar using a custom
event, so as not to pollute existing events, called bar_state_update.

4 files changed, 6 insertions, 0 deletions

diff --git a/include/ipc.h b/include/ipc.h
index a3f60e19..9063b933 100644
--- a/include/ipc.h
+++ b/include/ipc.h
@@ -30,6 +30,9 @@ enum ipc_command_type {
         IPC_EVENT_BINDING = ((1<<31) | 5),
         IPC_EVENT_SHUTDOWN = ((1<<31) | 6),
         IPC_EVENT_TICK = ((1<<31) | 7),
+
+        // sway-specific event types
+        IPC_EVENT_BAR_STATE_UPDATE = ((1<<31) | 20),
 };
 
 #endif
diff --git a/include/sway/config.h b/include/sway/config.h
index f21ecbb1..be5a00b5 100644
--- a/include/sway/config.h
+++ b/include/sway/config.h
@@ -191,6 +191,7 @@ struct bar_config {
          * In "show" mode, it will always be shown on top of the active workspace.
          */
         char *hidden_state;
+        bool visible_by_modifier; // only relevant in "hide" mode
         /**
          * Id name used to identify the bar through IPC.
          *
diff --git a/include/sway/ipc-server.h b/include/sway/ipc-server.h
index 80180ec4..3c43f74d 100644
--- a/include/sway/ipc-server.h
+++ b/include/sway/ipc-server.h
@@ -15,6 +15,7 @@ void ipc_event_workspace(struct sway_workspace *old,
                 struct sway_workspace *new, const char *change);
 void ipc_event_window(struct sway_container *window, const char *change);
 void ipc_event_barconfig_update(struct bar_config *bar);
+void ipc_event_bar_state_update(struct bar_config *bar);
 void ipc_event_mode(const char *mode, bool pango);
 void ipc_event_shutdown(const char *reason);
 void ipc_event_binding(struct sway_binding *binding);
diff --git a/include/swaybar/config.h b/include/swaybar/config.h
index 10904bca..5d40790a 100644
--- a/include/swaybar/config.h
+++ b/include/swaybar/config.h
@@ -32,6 +32,7 @@ struct swaybar_config {
         char *sep_symbol;
         char *mode;
         char *hidden_state;
+        char *modifier;
         bool strip_workspace_numbers;
         bool binding_mode_indicator;
         bool wrap_scroll;