Refactor drawing helpers to utilize shared UI module functions

inventoryManager.lua

@@ -679,47 +679,21 @@ local function smelterHitTest(x, y)
 end
 
 -------------------------------------------------
--- Drawing helpers (write to draw target)
+-- Drawing helpers (delegated to shared ui module)
 -------------------------------------------------
 
-local draw = nil
+local draw = nil   -- set to window target before each draw cycle
 
-local function monWrite(x, y, text, fg, bg)
-    draw.setCursorPos(x, y)
-    if fg then draw.setTextColor(fg) end
-    if bg then draw.setBackgroundColor(bg) end
-    draw.write(text)
+local function setDrawTarget(target)
+    draw = target
+    ui.draw = target
 end
 
-local function monFill(y, color)
-    local w, _ = draw.getSize()
-    draw.setCursorPos(1, y)
-    draw.setBackgroundColor(color)
-    draw.write(string.rep(" ", w))
-end
-
-local function monCenter(y, text, fg, bg)
-    local w, _ = draw.getSize()
-    local x = math.floor((w - #text) / 2) + 1
-    monWrite(x, y, text, fg, bg)
-end
-
-local function monBar(x, y, width, ratio, barColor, bgColor)
-    local filled = math.floor(ratio * width)
-    draw.setCursorPos(x, y)
-    draw.setBackgroundColor(barColor)
-    draw.write(string.rep(" ", filled))
-    draw.setBackgroundColor(bgColor)
-    draw.write(string.rep(" ", width - filled))
-end
-
-local function drawButton(x, y, text, fg, bg, padLeft, padRight)
-    padLeft  = padLeft or 1
-    padRight = padRight or 1
-    local full = string.rep(" ", padLeft) .. text .. string.rep(" ", padRight)
-    monWrite(x, y, full, fg, bg)
-    return x, y, x + #full - 1, y
-end
+local function monWrite(x, y, text, fg, bg)   ui.monWrite(x, y, text, fg, bg) end
+local function monFill(y, color)               ui.monFill(y, color) end
+local function monCenter(y, text, fg, bg)      ui.monCenter(y, text, fg, bg) end
+local function monBar(x, y, w, r, bc, bgc)     ui.monBar(x, y, w, r, bc, bgc) end
+local function drawButton(x, y, t, fg, bg, pl, pr) return ui.drawButton(x, y, t, fg, bg, pl, pr) end
 
 -------------------------------------------------
 -- Dashboard (reads ONLY from cache — no peripheral calls — instant)