Debug prints

Makefile

@@ -1,5 +1,5 @@
-CFLAGS += `pkg-config --cflags cairo xcb lua53`
-LDFLAGS := `pkg-config --libs cairo xcb lua53`
+CFLAGS += `pkg-config --cflags cairo xcb lua54`
+LDFLAGS := `pkg-config --libs cairo xcb lua54`
 OBJECTS := obj/common.o obj/rootwindow.o obj/cairo_context.o obj/api_draw.o
 
 livewp: lib

src/api_draw.c

@@ -1,8 +1,8 @@
 #include "common.h"
 #include "api_draw.h"
 #include <cairo/cairo.h>
-#include <lua5.3/lua.h>
-#include <lua5.3/lauxlib.h>
+#include <lua.h>
+#include <lauxlib.h>
 #include <math.h>
 
 int api_draw_clear(lua_State *L);
@@ -24,9 +24,9 @@ bool loadapi_draw(lua_State *lua) {
     { "rect_fill", api_draw_rect_fill },
     { "circle", api_draw_circle },
     { "ring", api_draw_ring },
+    { NULL, NULL }
   };
-  lua_newtable(lua);
-  luaL_setfuncs(lua, api_draw, 0);
+  luaL_newlib(lua, api_draw);
   lua_setglobal(lua, "Draw");
   return true;
 }

src/api_draw.h

@@ -1,7 +1,7 @@
 #ifndef _API_DRAW_H_
 #define _API_DRAW_H_
 
-#include <lua5.3/lua.h>
+#include <lua.h>
 #include <stdbool.h>
 
 bool loadapi_draw(lua_State *lua);

src/common.h

@@ -1,7 +1,7 @@
 #ifndef _COMMON_H_
 #define _COMMON_H_
 
-#include <lua5.3/lua.h>
+#include <lua.h>
 #include "cairo_context.h"
 
 extern struct global_context {

src/main.c

@@ -1,7 +1,7 @@
-#include <lua5.3/lua.h>
-#include <lua5.3/luaconf.h>
-#include <lua5.3/lualib.h>
-#include <lua5.3/lauxlib.h>
+#include <lua.h>
+#include <luaconf.h>
+#include <lualib.h>
+#include <lauxlib.h>
 #include <signal.h>
 #include <stdio.h>
 #include <math.h>

src/rootwindow.c

@@ -10,12 +10,18 @@
 xcb_window_t find_subwindow(xcb_connection_t *connection, xcb_window_t win, int w, int h);
 
 xcb_window_t create_root_window(xcb_connection_t *connection, xcb_screen_t *screen) {
+  fprintf(stderr, "DBG: screen root WID=0x%08x\n", screen->root);
+
   xcb_window_t root = find_subwindow(connection, screen->root, -1, -1);
   if (!root) return 0;
 
+  fprintf(stderr, "DBG: root WID=0x%08x\n", root);
+
   xcb_window_t parent = find_subwindow(connection, root, screen->width_in_pixels, screen->height_in_pixels);
   if (!parent) return 0;
 
+  fprintf(stderr, "DBG: parent WID=0x%08x\n", parent);
+
   xcb_window_t wid = xcb_generate_id(connection);
 
   {
@@ -87,11 +93,15 @@ xcb_window_t find_subwindow(xcb_connection_t *connection, xcb_window_t win, int
       if (!get_window_attributes(connection, children[i], &attrs)) continue;
 
       if (attrs.map_state != 0 && rect.width == w && rect.height == h) {
+        fprintf(stderr, "DBG: matching window WID=0x%08x x=%d y=%d w=%d h=%d\n", children[i], rect.x, rect.y, rect.width, rect.height);
         free(qt_reply);
         return children[i];
       }
     }
     free(qt_reply);
   }
+
+  fprintf(stderr, "ERR: didn't find matching subwindow, returning WID=0x%08x\n", win);
+
   return win;
 }