Change the Songbook search field to be more compatible with UI mods

It's at the top of the list now. Closes #90

assets/opensb/interface/windowconfig/songbook.config.patch

@@ -1,22 +0,0 @@
-{
-  "paneLayout" : {
-    "group" : {
-      "position" : [8, 71]
-    },
-    "search" : {
-      "type" : "textbox",
-      "position" : [86, 71],
-      "hint" : "Search",
-      "maxWidth" : 50
-    },
-    "lblBandInput" : {
-      "position" : [3, 68]
-    },
-    "lblSearchInput" : {
-      "type" : "image",
-      "file" : "/interface/songbook/band.png",
-      "position" : [81, 68],
-      "zlevel" : -3
-    }
-  }
-}

assets/opensb/interface/windowconfig/songbook_search_patch.lua

@@ -0,0 +1,12 @@
+function patch(config)
+  local scrollBG = config.paneLayout.scrollBG
+  local scrollSize = assets.image(scrollBG.file):size()
+  config.paneLayout.search = {
+    type = "textbox",
+    position = {scrollBG.position[1] + 3,
+                scrollBG.position[2] + scrollSize[2] - 10},
+    hint = "^#999;Type here to search for a song",
+    maxWidth = scrollSize[1] - 6
+  }
+  return config
+end

assets/opensb/scripts/opensb/assets/postload.lua

@@ -25,3 +25,8 @@ local path = "/objects/opensb/object.patch.lua"
 for i = 1, #objects do
   assets.patch(objects[i], path)
 end
+
+assets.patch(
+  "/interface/windowconfig/songbook.config",
+  "/interface/windowconfig/songbook_search_patch.lua"
+)