From a58b2df3f84da9c19e4900e2524036a176c16c7a Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Thu, 14 May 2020 22:22:33 +0200
Subject: command: add input-key-list property

Fixes: #7698
---
 DOCS/man/input.rst |  3 +++
 input/keycodes.c   | 10 ++++++++++
 input/keycodes.h   |  1 +
 player/command.c   | 15 +++++++++++++++
 4 files changed, 29 insertions(+)

diff --git a/DOCS/man/input.rst b/DOCS/man/input.rst
index be48644cfd..200b3d403f 100644
--- a/DOCS/man/input.rst
+++ b/DOCS/man/input.rst
@@ -3046,6 +3046,9 @@ Property list
     List of available libavformat demuxers' names. This can be used to check
     for support for a specific format or use with ``--demuxer-lavf-format``.
 
+``input-key-list``
+    List of `Key names`_, same as output by ``--input-keylist``.
+
 ``mpv-version``
     Return the mpv version/copyright string. Depending on how the binary was
     built, it might contain either a release version, or just a git hash.
diff --git a/input/keycodes.c b/input/keycodes.c
index bb92994479..312ffc4893 100644
--- a/input/keycodes.c
+++ b/input/keycodes.c
@@ -322,6 +322,16 @@ void mp_print_key_list(struct mp_log *out)
         mp_info(out, "%s\n", key_names[i].name);
 }
 
+char **mp_get_key_list(void)
+{
+    char **list = NULL;
+    int num = 0;
+    for (int i = 0; key_names[i].name != NULL; i++)
+        MP_TARRAY_APPEND(NULL, list, num, talloc_strdup(NULL, key_names[i].name));
+    MP_TARRAY_APPEND(NULL, list, num, NULL);
+    return list;
+}
+
 int mp_normalize_keycode(int keycode)
 {
     if (keycode <= 0)
diff --git a/input/keycodes.h b/input/keycodes.h
index 3a33258031..6373a6e21a 100644
--- a/input/keycodes.h
+++ b/input/keycodes.h
@@ -253,5 +253,6 @@ int mp_input_get_keys_from_string(char *str, int max_num_keys,
 
 struct mp_log;
 void mp_print_key_list(struct mp_log *out);
+char **mp_get_key_list(void);
 
 #endif /* MPLAYER_KEYCODES_H */
diff --git a/player/command.c b/player/command.c
index 322ce973c9..04e84c998f 100644
--- a/player/command.c
+++ b/player/command.c
@@ -3016,6 +3016,20 @@ static int mp_property_protocols(void *ctx, struct m_property *prop,
     return M_PROPERTY_NOT_IMPLEMENTED;
 }
 
+static int mp_property_keylist(void *ctx, struct m_property *prop,
+                               int action, void *arg)
+{
+    switch (action) {
+    case M_PROPERTY_GET:
+        *(char ***)arg = mp_get_key_list();
+        return M_PROPERTY_OK;
+    case M_PROPERTY_GET_TYPE:
+        *(struct m_option *)arg = (struct m_option){.type = CONF_TYPE_STRING_LIST};
+        return M_PROPERTY_OK;
+    }
+    return M_PROPERTY_NOT_IMPLEMENTED;
+}
+
 static int get_decoder_entry(int item, int action, void *arg, void *ctx)
 {
     struct mp_decoder_list *codecs = ctx;
@@ -3533,6 +3547,7 @@ static const struct m_property mp_properties_base[] = {
     {"decoder-list", mp_property_decoders},
     {"encoder-list", mp_property_encoders},
     {"demuxer-lavf-list", mp_property_lavf_demuxers},
+    {"input-key-list", mp_property_keylist},
 
     {"mpv-version", mp_property_version},
     {"mpv-configuration", mp_property_configuration},
-- 
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