From 1f35f2f89b1dcc54651a944f0215f9a084de0121 Mon Sep 17 00:00:00 2001
From: Martin <laz.git@mfriebe.de>
Date: Sun, 24 Mar 2024 20:13:12 +0100
Subject: [PATCH] LCL: ChildSizing, fix calculating MaxWidth/Heigh for cell. If
 any chell in the Column(or Row in case of Height) has a Constraint it will
 apply (even if other are not constraint). If several have MaxWidth, the
 smallest MaxWidth applies.

---
 lcl/include/wincontrol.inc | 30 ++++++++----------------------
 1 file changed, 8 insertions(+), 22 deletions(-)

diff --git a/lcl/include/wincontrol.inc b/lcl/include/wincontrol.inc
index 8681cba33e..b231ae0911 100644
--- a/lcl/include/wincontrol.inc
+++ b/lcl/include/wincontrol.inc
@@ -1641,13 +1641,10 @@ var
   CurChild: TAutoSizeBox;
   CurBorder: integer;
   LastChild: TAutoSizeBox;
-  HasChildWithoutMax: array [TAutoSizeBoxOrientation] of Boolean;
 begin
   if DoInit then InitSums;
   Orthogonal:=SizeBoxOrthogonal[Orientation];
   if ChildCount[Orientation]>0 then begin
-    HasChildWithoutMax[asboHorizontal] := False;
-    HasChildWithoutMax[asboVertical] := False;
     for i:=0 to ChildCount[Orientation]-1 do begin
       CurChild:=Children[Orientation][i];
       
@@ -1662,29 +1659,18 @@ begin
       inc(MinimumSize[Orientation],CurBorder);
       inc(PreferredSize[Orientation],CurBorder);
       // add item size in Orientation
-      if not HasChildWithoutMax[Orientation] then begin
-        if CurChild.MaximumSize[Orientation]>0 then begin
-          inc(MaximumSize[Orientation],CurChild.MaximumSize[Orientation]);
-        end
-        else begin
-          MaximumSize[Orientation]:=0;
-          HasChildWithoutMax[Orientation] := True;
-        end;
-      end;
+      if CurChild.MaximumSize[Orientation]>0 then
+        inc(MaximumSize[Orientation],CurChild.MaximumSize[Orientation]);
       inc(MinimumSize[Orientation],CurChild.MinimumSize[Orientation]);
       inc(PreferredSize[Orientation],CurChild.PreferredSize[Orientation]);
       
       // maximize in Orthogonal
-      if not HasChildWithoutMax[Orthogonal] then begin
-        if CurChild.MaximumSize[Orthogonal]>0 then begin
-          MaximumSize[Orthogonal]:=Max(MaximumSize[Orthogonal],
-                                       CurChild.MaximumSize[Orthogonal]);
-        end
-        else begin
-          MaximumSize[Orthogonal]:=0;
-          HasChildWithoutMax[Orthogonal] := True;
-        end;
-      end;
+      if MaximumSize[Orthogonal] = 0 then
+        MaximumSize[Orthogonal] := CurChild.MaximumSize[Orthogonal]
+      else
+      if CurChild.MaximumSize[Orthogonal] > 0 then
+        MaximumSize[Orthogonal]:=Min(MaximumSize[Orthogonal],
+                                     CurChild.MaximumSize[Orthogonal]);
       MinimumSize[Orthogonal]:=Max(MinimumSize[Orthogonal],
                                    CurChild.MinimumSize[Orthogonal]);
       PreferredSize[Orthogonal]:=Max(PreferredSize[Orthogonal],