Default container sizeReq/resize does the right thing for single child widget (it is the most common container case)

src/Monomer/Widgets/Container.hs

@@ -787,7 +787,10 @@ handleMessageWrapper container wenv target arg node
 
 -- | Preferred size
 defaultGetSizeReq :: ContainerGetSizeReqHandler s e a
-defaultGetSizeReq wenv node children = def
+defaultGetSizeReq wenv state node children = (newReqW, newReqH) where
+  (newReqW, newReqH) = case Seq.lookup 0 children of
+    Just child -> (child ^. L.info . L.sizeReqW, child ^. L.info . L.sizeReqH)
+    _ -> def
 
 updateSizeReq
   :: WidgetModel a
@@ -834,9 +837,11 @@ handleSizeReqChange container wenv node evt mResult = result where
 
 -- | Resize
 defaultResize :: ContainerResizeHandler s e
-defaultResize wenv viewport children node = newSize where
-  childrenSizes = Seq.replicate (Seq.length children) def
-  newSize = (resultWidget node, childrenSizes)
+defaultResize wenv viewport children node = resized where
+  style = activeStyle wenv node
+  contentArea = fromMaybe def (removeOuterBounds style viewport)
+  childrenSizes = Seq.replicate (Seq.length children) contentArea
+  resized = (resultWidget node, childrenSizes)
 
 resizeWrapper
   :: WidgetModel a

src/Monomer/Widgets/DropTarget.hs

@@ -64,9 +64,7 @@ makeDropTarget :: DragMsg a => (a -> e) -> DropTargetCfg -> Widget s e
 makeDropTarget dropEvt config = widget where
   widget = createContainer () def {
     containerGetActiveStyle = getActiveStyle,
-    containerHandleEvent = handleEvent,
-    containerGetSizeReq = getSizeReq,
-    containerResize = resize
+    containerHandleEvent = handleEvent
   }
 
   getActiveStyle wenv node
@@ -85,18 +83,6 @@ makeDropTarget dropEvt config = widget where
         result = resultEvts node evts
     _ -> Nothing
 
-  getSizeReq :: ContainerGetSizeReqHandler s e a
-  getSizeReq wenv currState node children = (newReqW, newReqH) where
-    child = Seq.index children 0
-    newReqW = child ^. L.info . L.sizeReqW
-    newReqH = child ^. L.info . L.sizeReqH
-
-  resize :: ContainerResizeHandler s e
-  resize wenv viewport children node = resized where
-    style = activeStyle wenv node
-    contentArea = fromMaybe def (removeOuterBounds style viewport)
-    resized = (resultWidget node, Seq.singleton contentArea)
-
   isDropTarget wenv node = case wenv ^. L.dragStatus of
     Just (path, msg) -> not (isNodeParentOfPath path node) && isValidMsg msg
     _ -> False

src/Monomer/Widgets/Keystroke.hs

@@ -90,9 +90,7 @@ makeNode widget managedWidget = defaultWidgetNode "keystroke" widget
 makeKeystroke :: [(KeyStroke, e)] -> KeystrokeCfg -> Widget s e
 makeKeystroke bindings config = widget where
   widget = createContainer () def {
-    containerHandleEvent = handleEvent,
-    containerGetSizeReq = getSizeReq,
-    containerResize = resize
+    containerHandleEvent = handleEvent
   }
 
   handleEvent wenv target evt node = case evt of
@@ -106,18 +104,6 @@ makeKeystroke bindings config = widget where
       result = resultReqsEvts node reqs evts
     _ -> Nothing
 
-  getSizeReq :: ContainerGetSizeReqHandler s e a
-  getSizeReq wenv currState node children = (newReqW, newReqH) where
-    child = Seq.index children 0
-    newReqW = child ^. L.info . L.sizeReqW
-    newReqH = child ^. L.info . L.sizeReqH
-
-  resize :: ContainerResizeHandler s e
-  resize wenv viewport children node = resized where
-    style = activeStyle wenv node
-    contentArea = fromMaybe def (removeOuterBounds style viewport)
-    resized = (resultWidget node, Seq.singleton contentArea)
-
 keyStrokeActive :: WidgetEnv s e -> KeyCode -> KeyStroke -> Bool
 keyStrokeActive wenv code ks = currValid && allPressed && validMods where
   status = wenv ^. L.inputStatus

src/Monomer/Widgets/ThemeSwitch.hs

@@ -26,22 +26,8 @@ makeNode widget managedWidget = defaultWidgetNode "themeSwitch" widget
 makeTheme :: Theme -> Widget s e
 makeTheme theme = widget where
   widget = createContainer () def {
-    containerUpdateCWenv = updateCWenv,
-    containerGetSizeReq = getSizeReq,
-    containerResize = resize
+    containerUpdateCWenv = updateCWenv
   }
 
   updateCWenv wenv cidx cnode node = newWenv where
     newWenv = wenv & L.theme .~ theme
-
-  getSizeReq :: ContainerGetSizeReqHandler s e a
-  getSizeReq wenv currState node children = (newReqW, newReqH) where
-    child = Seq.index children 0
-    newReqW = child ^. L.info . L.sizeReqW
-    newReqH = child ^. L.info . L.sizeReqH
-
-  resize :: ContainerResizeHandler s e
-  resize wenv viewport children node = resized where
-    style = activeStyle wenv node
-    contentArea = fromMaybe def (removeOuterBounds style viewport)
-    resized = (resultWidget node, Seq.singleton contentArea)

src/Monomer/Widgets/Tooltip.hs

@@ -100,7 +100,6 @@ makeTooltip caption config state = widget where
     containerGetBaseStyle = getBaseStyle,
     containerRestore = restore,
     containerHandleEvent = handleEvent,
-    containerGetSizeReq = getSizeReq,
     containerResize = resize
   }
   widget = baseWidget {
@@ -143,13 +142,7 @@ makeTooltip caption config state = widget where
           | otherwise = resultWidget node
     _ -> Nothing
 
-  getSizeReq :: ContainerGetSizeReqHandler s e a
-  getSizeReq wenv currState node children = (newReqW, newReqH) where
-    child = Seq.index children 0
-    newReqW = child ^. L.info . L.sizeReqW
-    newReqH = child ^. L.info . L.sizeReqH
-
-  resize :: ContainerResizeHandler s e
+  -- Padding/border is not removed. Styles are only considerer for the overlay
   resize wenv viewport children node = resized where
     resized = (resultWidget node, Seq.singleton viewport)