From 2dce2ae38b7565d1de296ea4f2d26838e1482c05 Mon Sep 17 00:00:00 2001
From: MisterMaker <marijn82@gmail.com>
Date: Sun, 20 Jul 2025 00:15:31 +0200
Subject: [PATCH] [Stylesheet] Update dark theme tree color and tab bar
 background (#22596)

* Update dark theme tree color and tab bar background

Changed the TreeActiveColor value in the FreeCAD Dark preference pack for improved visibility. Set the QTabBar background color to use @PrimaryColor in the stylesheet for fixing drawbase issues.

* Differentiate QTabBar styles for mdiAreaTabBar

Separated the QTabBar#mdiAreaTabBar styling from the general QTabBar, setting qproperty-drawBase and background-color specifically for mdiAreaTabBar. The general QTabBar now has qproperty-drawBase set to 0, improving style specificity for file tab bars.
---
 src/Gui/PreferencePacks/FreeCAD Dark/FreeCAD Dark.cfg | 2 +-
 src/Gui/Stylesheets/FreeCAD.qss                       | 8 +++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/Gui/PreferencePacks/FreeCAD Dark/FreeCAD Dark.cfg b/src/Gui/PreferencePacks/FreeCAD Dark/FreeCAD Dark.cfg
index d6d05925ee..a845d4f580 100644
--- a/src/Gui/PreferencePacks/FreeCAD Dark/FreeCAD Dark.cfg	
+++ b/src/Gui/PreferencePacks/FreeCAD Dark/FreeCAD Dark.cfg	
@@ -168,7 +168,7 @@
         <FCParamGroup Name="TreeView">
           <FCInt Name="FontSize" Value="11"/>
           <FCInt Name="ItemBackgroundPadding" Value="11"/>
-          <FCUInt Name="TreeActiveColor" Value="556083711"/>
+          <FCUInt Name="TreeActiveColor" Value="899696639"/>
           <FCUInt Name="TreeEditColor" Value="1434171135"/>
         </FCParamGroup>
         <FCParamGroup Name="View">
diff --git a/src/Gui/Stylesheets/FreeCAD.qss b/src/Gui/Stylesheets/FreeCAD.qss
index 2b665fd32e..3ea2f60422 100644
--- a/src/Gui/Stylesheets/FreeCAD.qss
+++ b/src/Gui/Stylesheets/FreeCAD.qss
@@ -1785,8 +1785,14 @@ QTabBar#mdiAreaTabBar::tab:bottom:selected {
   border-top: @3DViewBackgroundRefColor;
 }
 
-QTabBar {
+/*tabbar for files. */
+QTabBar#mdiAreaTabBar {
   qproperty-drawBase: 1;/*tabbar for files. */
+  background-color: @PrimaryColor;
+}
+
+QTabBar {
+  qproperty-drawBase: 0;/*tabbar for files. */
 }
 
 QTabWidget::tab-bar {