From 7a36ebaf635a8ca8b3b45e900ac593bab5900c54 Mon Sep 17 00:00:00 2001
From: Charlotte Meyer <dev@buffet.sh>
Date: Tue, 10 Aug 2021 19:26:34 +0000
Subject: [PATCH] Add view:id()

---
 kiwmi/luak/kiwmi_view.c | 18 ++++++++++++++++++
 lua_docs.md             |  4 ++++
 2 files changed, 22 insertions(+)

diff --git a/kiwmi/luak/kiwmi_view.c b/kiwmi/luak/kiwmi_view.c
index 5fe8c6a..9a2fe0f 100644
--- a/kiwmi/luak/kiwmi_view.c
+++ b/kiwmi/luak/kiwmi_view.c
@@ -143,6 +143,23 @@ l_kiwmi_view_hide(lua_State *L)
     return 0;
 }
 
+static int
+l_kiwmi_view_id(lua_State *L)
+{
+    struct kiwmi_object *obj =
+        *(struct kiwmi_object **)luaL_checkudata(L, 1, "kiwmi_view");
+
+    if (!obj->valid) {
+        return luaL_error(L, "kiwmi_view no longer valid");
+    }
+
+    struct kiwmi_view *view = obj->object;
+
+    lua_pushnumber(L, (lua_Number)(size_t)view);
+
+    return 1;
+}
+
 static int
 l_kiwmi_view_imove(lua_State *L)
 {
@@ -411,6 +428,7 @@ static const luaL_Reg kiwmi_view_methods[] = {
     {"focus", l_kiwmi_view_focus},
     {"hidden", l_kiwmi_view_hidden},
     {"hide", l_kiwmi_view_hide},
+    {"id", l_kiwmi_view_id},
     {"imove", l_kiwmi_view_imove},
     {"iresize", l_kiwmi_view_iresize},
     {"move", l_kiwmi_view_move},
diff --git a/lua_docs.md b/lua_docs.md
index 7dc7930..3e8fb34 100644
--- a/lua_docs.md
+++ b/lua_docs.md
@@ -279,6 +279,10 @@ Returns `true` if the view is hidden, `false` otherwise.
 
 Hides the view.
 
+#### view:id()
+
+Returns an ID unique to the view.
+
 #### view:imove()
 
 Starts an interactive move.