ipc: add enable_event and disable_event commands

This was requested.

2 files changed, 41 insertions, 0 deletions

diff --git a/DOCS/man/ipc.rst b/DOCS/man/ipc.rst
index f1e466a497..d904eeae87 100644
--- a/DOCS/man/ipc.rst
+++ b/DOCS/man/ipc.rst
@@ -156,6 +156,14 @@ extra commands can also be used as part of the protocol:
     lead to breakages with future mpv releases. Instead, make a feature request,
     and ask for a proper event that returns the information you need.
 
+``enable_event``, ``disable_event``
+    Enables or disables the named event. Mirrors the ``mpv_request_event`` C
+    API function. If the string ``all`` is used instead of an event name, all
+    events are enabled or disabled.
+
+    By default, most events are enabled, and there is not much use for this
+    command.
+
 ``suspend``
     Suspend the mpv main loop. There is a long-winded explanation of this in
     the C API function ``mpv_suspend()``. In short, this prevents the player
diff --git a/input/ipc.c b/input/ipc.c
index 4fd9cf17e1..2ad850e5ed 100644
--- a/input/ipc.c
+++ b/input/ipc.c
@@ -424,6 +424,39 @@ static char *json_execute_command(struct client_arg *arg, void *ta_parent,
     } else if (!strcmp("resume", cmd)) {
         mpv_resume(arg->client);
         rc = MPV_ERROR_SUCCESS;
+    } else if (!strcmp("enable_event", cmd) ||
+               !strcmp("disable_event", cmd))
+    {
+        bool enable = !strcmp("enable_event", cmd);
+
+        if (cmd_node->u.list->num != 2) {
+            rc = MPV_ERROR_INVALID_PARAMETER;
+            goto error;
+        }
+
+        if (cmd_node->u.list->values[1].format != MPV_FORMAT_STRING) {
+            rc = MPV_ERROR_INVALID_PARAMETER;
+            goto error;
+        }
+
+        char *name = cmd_node->u.list->values[1].u.string;
+        if (strcmp(name, "all") == 0) {
+            for (int n = 0; n < 64; n++)
+                mpv_request_event(arg->client, n, enable);
+            rc = MPV_ERROR_SUCCESS;
+        } else {
+            int event = -1;
+            for (int n = 0; n < 64; n++) {
+                const char *evname = mpv_event_name(n);
+                if (evname && strcmp(evname, name) == 0)
+                    event = n;
+            }
+            if (event < 0) {
+                rc = MPV_ERROR_INVALID_PARAMETER;
+                goto error;
+            }
+            rc = mpv_request_event(arg->client, event, enable);
+        }
     } else {
         mpv_node result_node;