Add kiwmi:output_at, cursor:output_at_pos, use lx, ly more consistenty

include/luak/lua_compat.h

@@ -12,10 +12,9 @@
 #include <lua.h>
 
 #define luaC_newlibtable(L, l)                                                 \
-    lua_createtable(L, 0, sizeof(l)/sizeof((l)[0]) - 1)
+    lua_createtable(L, 0, sizeof(l) / sizeof((l)[0]) - 1)
 
-#define luaC_newlib(L, l) \
-    (luaC_newlibtable(L, l), luaC_setfuncs(L, l, 0))
+#define luaC_newlib(L, l) (luaC_newlibtable(L, l), luaC_setfuncs(L, l, 0))
 
 void luaC_setfuncs(lua_State *L, const luaL_Reg *l, int nup);
 

kiwmi/luak/kiwmi_cursor.c

@@ -17,10 +17,38 @@
 #include "desktop/view.h"
 #include "input/cursor.h"
 #include "luak/kiwmi_lua_callback.h"
+#include "luak/kiwmi_output.h"
 #include "luak/kiwmi_view.h"
 #include "luak/lua_compat.h"
 #include "luak/luak.h"
 
+static int
+l_kiwmi_cursor_output_at_pos(lua_State *L)
+{
+    struct kiwmi_object *obj =
+        *(struct kiwmi_object **)luaL_checkudata(L, 1, "kiwmi_server");
+
+    struct kiwmi_cursor *cursor = obj->object;
+    struct kiwmi_server *server = cursor->server;
+
+    struct wlr_output *wlr_output = wlr_output_layout_output_at(
+        server->desktop.output_layout, cursor->cursor->x, cursor->cursor->y);
+
+    if (wlr_output) {
+        lua_pushcfunction(L, luaK_kiwmi_output_new);
+        lua_pushlightuserdata(L, obj->lua);
+        lua_pushlightuserdata(L, wlr_output->data);
+        if (lua_pcall(L, 2, 1, 0)) {
+            wlr_log(WLR_ERROR, "%s", lua_tostring(L, -1));
+            return 0;
+        }
+    } else {
+        lua_pushnil(L);
+    }
+
+    return 1;
+}
+
 static int
 l_kiwmi_cursor_pos(lua_State *L)
 {
@@ -74,6 +102,7 @@ l_kiwmi_cursor_view_at_pos(lua_State *L)
 
 static const luaL_Reg kiwmi_cursor_methods[] = {
     {"on", luaK_callback_register_dispatch},
+    {"output_at_pos", l_kiwmi_cursor_output_at_pos},
     {"pos", l_kiwmi_cursor_pos},
     {"view_at_pos", l_kiwmi_cursor_view_at_pos},
     {NULL, NULL},

kiwmi/luak/kiwmi_server.c

@@ -14,6 +14,7 @@
 #include <lauxlib.h>
 #include <wayland-server.h>
 #include <wlr/types/wlr_cursor.h>
+#include <wlr/types/wlr_output_layout.h>
 #include <wlr/util/log.h>
 
 #include "desktop/view.h"
@@ -70,6 +71,37 @@ l_kiwmi_server_focused_view(lua_State *L)
     return 1;
 }
 
+static int
+l_kiwmi_server_output_at(lua_State *L)
+{
+    struct kiwmi_object *obj =
+        *(struct kiwmi_object **)luaL_checkudata(L, 1, "kiwmi_server");
+    luaL_checktype(L, 2, LUA_TNUMBER); // lx
+    luaL_checktype(L, 3, LUA_TNUMBER); // ly
+
+    struct kiwmi_server *server = obj->object;
+
+    double lx = lua_tonumber(L, 2);
+    double ly = lua_tonumber(L, 3);
+
+    struct wlr_output *wlr_output =
+        wlr_output_layout_output_at(server->desktop.output_layout, lx, ly);
+
+    if (wlr_output) {
+        lua_pushcfunction(L, luaK_kiwmi_output_new);
+        lua_pushlightuserdata(L, obj->lua);
+        lua_pushlightuserdata(L, wlr_output->data);
+        if (lua_pcall(L, 2, 1, 0)) {
+            wlr_log(WLR_ERROR, "%s", lua_tostring(L, -1));
+            return 0;
+        }
+    } else {
+        lua_pushnil(L);
+    }
+
+    return 1;
+}
+
 static int
 l_kiwmi_server_quit(lua_State *L)
 {
@@ -180,20 +212,20 @@ l_kiwmi_server_view_at(lua_State *L)
 {
     struct kiwmi_object *obj =
         *(struct kiwmi_object **)luaL_checkudata(L, 1, "kiwmi_server");
-    luaL_checktype(L, 2, LUA_TNUMBER); // x
-    luaL_checktype(L, 3, LUA_TNUMBER); // y
+    luaL_checktype(L, 2, LUA_TNUMBER); // lx
+    luaL_checktype(L, 3, LUA_TNUMBER); // ly
 
     struct kiwmi_server *server = obj->object;
 
-    double x = lua_tonumber(L, 2);
-    double y = lua_tonumber(L, 3);
+    double lx = lua_tonumber(L, 2);
+    double ly = lua_tonumber(L, 3);
 
     struct wlr_surface *surface;
     double sx;
     double sy;
 
     struct kiwmi_view *view =
-        view_at(&server->desktop, x, y, &surface, &sx, &sy);
+        view_at(&server->desktop, lx, ly, &surface, &sx, &sy);
 
     if (view) {
         lua_pushcfunction(L, luaK_kiwmi_view_new);
@@ -214,6 +246,7 @@ static const luaL_Reg kiwmi_server_methods[] = {
     {"cursor", l_kiwmi_server_cursor},
     {"focused_view", l_kiwmi_server_focused_view},
     {"on", luaK_callback_register_dispatch},
+    {"output_at", l_kiwmi_server_output_at},
     {"quit", l_kiwmi_server_quit},
     {"schedule", l_kiwmi_server_schedule},
     {"spawn", l_kiwmi_server_spawn},

lua_docs.md

@@ -21,6 +21,10 @@ Returns a reference to the cursor object.
 
 Returns the currently focused view.
 
+#### kiwmi:output_at(lx, ly)
+
+Returns the output at a specified position
+
 #### kiwmi:on(event, callback)
 
 Used to register event listeners.
@@ -43,7 +47,7 @@ Spawn a new process.
 
 Stops an interactive move or resize.
 
-#### kiwmi:view_at(x, y)
+#### kiwmi:view_at(lx, ly)
 
 Get the view at a specified position.
 
@@ -70,6 +74,10 @@ A reference to the cursor object.
 
 ### Methods
 
+#### cursor:output_at_pos()
+
+ Returns the output at the cursor position or `nil` if there is none.
+
 #### cursor:on(event, callback)
 
 Used to register event listeners.
@@ -171,7 +179,7 @@ Represents an output (most often a display).
 
 Tells the compositor to start automatically positioning the output (this is on per default).
 
-#### output:move(x, y)
+#### output:move(lx, ly)
 
 Moves the output to a specified position.
 This is referring to the top-left corner.
@@ -257,7 +265,7 @@ Starts an interactive move.
 Starts an interactive resize.
 Takes a table containing the edges, that the resize is happening on.
 
-#### view:move(x, y)
+#### view:move(lx, ly)
 
 Moves the view to the specified position.