scrolling fixed in immediate mode

FlexLove.lua

@@ -178,7 +178,15 @@ function Gui.endFrame()
   -- Sort elements by z-index for occlusion detection
   GuiState.sortElementsByZIndex()
 
-  -- Auto-update all top-level elements (triggers layout calculation and overflow detection)
+  -- Layout all top-level elements now that all children have been added
+  -- This ensures overflow detection happens with complete child lists
+  for _, element in ipairs(Gui._currentFrameElements) do
+    if not element.parent then
+      element:layoutChildren() -- Layout with all children present
+    end
+  end
+
+  -- Auto-update all top-level elements (triggers additional state updates)
   -- This must happen BEFORE saving state so that scroll positions and overflow are calculated
   for _, element in ipairs(Gui._currentFrameElements) do
     -- Only update top-level elements (those without parents in the current frame)
@@ -583,6 +591,11 @@ function Gui.new(props)
   -- Mark state as used this frame
   StateManager.markStateUsed(props.id)
 
+  -- Inject scroll state into props BEFORE creating element
+  -- This ensures scroll position is set before layoutChildren/detectOverflow is called
+  props._scrollX = state._scrollX or 0
+  props._scrollY = state._scrollY or 0
+
   -- Create the element
   local element = Element.new(props)
 
@@ -602,11 +615,11 @@ function Gui.new(props)
   element._selectionStart = state._selectionStart
   element._selectionEnd = state._selectionEnd
   element._textBuffer = state._textBuffer or element.text or ""
-  element._scrollX = state._scrollX or element._scrollX or 0
+  -- Note: scroll position already set from props during Element.new()
-  element._scrollY = state._scrollY or element._scrollY or 0
+  -- element._scrollX and element._scrollY already restored
-  element._scrollbarDragging = state._scrollbarDragging or false
+  element._scrollbarDragging = state._scrollbarDragging ~= nil and state._scrollbarDragging or false
   element._hoveredScrollbar = state._hoveredScrollbar
-  element._scrollbarDragOffset = state._scrollbarDragOffset or 0
+  element._scrollbarDragOffset = state._scrollbarDragOffset ~= nil and state._scrollbarDragOffset or 0
 
   -- Bind element to StateManager for interactive states
   -- Use the same ID for StateManager so state persists across frames

modules/Element.lua

@@ -1165,9 +1165,9 @@ function Element.new(props)
   self._contentWidth = 0
   self._contentHeight = 0
 
-  -- Scroll state
+  -- Scroll state (can be restored from props in immediate mode)
-  self._scrollX = 0
+  self._scrollX = props._scrollX or 0
-  self._scrollY = 0
+  self._scrollY = props._scrollY or 0
   self._maxScrollX = 0
   self._maxScrollY = 0
 
@@ -1928,8 +1928,12 @@ function Element:addChild(child)
     end
   end
 
+  -- In immediate mode, defer layout until endFrame() when all elements are created
+  -- This prevents premature overflow detection with incomplete children
+  if not Gui._immediateMode then
     self:layoutChildren()
   end
+end
 
 --- Apply positioning offsets (top, right, bottom, left) to an element
 -- @param element The element to apply offsets to