6 files changed, 73 insertions, 4 deletions
diff --git a/assets/cru/ui/DefaultResources.xml b/assets/cru/ui/DefaultResources.xml
index fbe48182..b831be2c 100644
--- a/assets/cru/ui/DefaultResources.xml
+++ b/assets/cru/ui/DefaultResources.xml
@@ -1,4 +1,8 @@
 <Theme>
+    <Resource key="scrollbar.collapse-thumb.color">
+        <Color value="gray" />
+    </Resource>
+
     <Resource key="button-style">
         <StyleRuleSet>
             <StyleRule>
diff --git a/include/cru/ui/mapper/BrushMapper.hpp b/include/cru/ui/mapper/BrushMapper.hpp
new file mode 100644
index 00000000..b2021076
--- /dev/null
+++ b/include/cru/ui/mapper/BrushMapper.hpp
@@ -0,0 +1,20 @@
+#pragma once
+#include "Mapper.hpp"
+#include "cru/common/Base.hpp"
+#include "cru/platform/graphics/Brush.hpp"
+#include "cru/xml/XmlNode.hpp"
+
+namespace cru::ui::mapper {
+class BrushMapper : public BasicRefMapper<platform::graphics::IBrush> {
+ public:
+  CRU_DEFAULT_CONSTRUCTOR_DESTRUCTOR(BrushMapper)
+
+ public:
+  bool SupportMapFromXml() override { return true; }
+  bool XmlElementIsOfThisType(xml::XmlElementNode* node) override;
+
+ protected:
+  std::shared_ptr<platform::graphics::IBrush> DoMapFromXml(
+      xml::XmlElementNode* node) override;
+};
+}  // namespace cru::ui::mapper
diff --git a/include/cru/xml/XmlNode.hpp b/include/cru/xml/XmlNode.hpp
index f308c9de..d1cb9430 100644
--- a/include/cru/xml/XmlNode.hpp
+++ b/include/cru/xml/XmlNode.hpp
@@ -33,6 +33,9 @@ class CRU_XML_API XmlNode {
 
   virtual XmlNode* Clone() const = 0;
 
+  bool IsTextNode() const { return type_ == Type::Text; }
+  bool IsElementNode() const { return type_ == Type::Element; }
+
   XmlElementNode* AsElement();
   XmlTextNode* AsText();
   const XmlElementNode* AsElement() const;
diff --git a/src/ui/CMakeLists.txt b/src/ui/CMakeLists.txt
index a86e24c0..d19784b2 100644
--- a/src/ui/CMakeLists.txt
+++ b/src/ui/CMakeLists.txt
@@ -25,6 +25,7 @@ add_library(cru_ui SHARED
 	host/LayoutPaintCycler.cpp
 	host/WindowHost.cpp
 	mapper/BorderStyleMapper.cpp
+	mapper/BrushMapper.cpp
 	mapper/ColorMapper.cpp
 	mapper/CornerRadiusMapper.cpp
 	mapper/CursorMapper.cpp
diff --git a/src/ui/mapper/BorderStyleMapper.cpp b/src/ui/mapper/BorderStyleMapper.cpp
index 691f091d..1209df07 100644
--- a/src/ui/mapper/BorderStyleMapper.cpp
+++ b/src/ui/mapper/BorderStyleMapper.cpp
@@ -1,6 +1,7 @@
 #include "cru/ui/mapper/BorderStyleMapper.hpp"
 #include "../Helper.hpp"
 #include "cru/common/Logger.hpp"
+#include "cru/platform/graphics/Brush.hpp"
 #include "cru/platform/graphics/Factory.hpp"
 #include "cru/ui/mapper/MapperRegistry.hpp"
 #include "cru/ui/style/ApplyBorderStyleInfo.hpp"
@@ -27,14 +28,14 @@ ApplyBorderStyleInfo BorderStyleMapper::DoMapFromXml(
           MapperRegistry::GetInstance()->GetMapper<Thickness>();
       auto corner_radius_mapper =
           MapperRegistry::GetInstance()->GetMapper<CornerRadius>();
-      auto color_mapper = MapperRegistry::GetInstance()->GetMapper<Color>();
+      auto brush_mapper = MapperRegistry::GetInstance()
+                              ->GetRefMapper<platform::graphics::IBrush>();
       if (thickness_mapper->XmlElementIsOfThisType(c)) {
         result.border_thickness = thickness_mapper->MapFromXml(c);
       } else if (corner_radius_mapper->XmlElementIsOfThisType(c)) {
         result.border_radius = corner_radius_mapper->MapFromXml(c);
-      } else if (color_mapper->XmlElementIsOfThisType(c)) {
-        auto brush = GetGraphicsFactory()->CreateSolidColorBrush(
-            color_mapper->MapFromXml(c));
+      } else if (brush_mapper->XmlElementIsOfThisType(c)) {
+        auto brush = brush_mapper->MapFromXml(c);
         auto name = c->GetOptionalAttributeCaseInsensitive(u"name");
         if (name) {
           if (name->CaseInsensitiveCompare(u"foreground") == 0) {
diff --git a/src/ui/mapper/BrushMapper.cpp b/src/ui/mapper/BrushMapper.cpp
new file mode 100644
index 00000000..bfaef507
--- /dev/null
+++ b/src/ui/mapper/BrushMapper.cpp
@@ -0,0 +1,40 @@
+#include "cru/ui/mapper/BrushMapper.hpp"
+#include "../Helper.hpp"
+#include "cru/platform/Color.hpp"
+#include "cru/platform/graphics/Brush.hpp"
+#include "cru/platform/graphics/Factory.hpp"
+#include "cru/ui/mapper/ColorMapper.hpp"
+#include "cru/ui/mapper/MapperRegistry.hpp"
+#include "cru/xml/XmlNode.hpp"
+
+#include <memory>
+
+namespace cru::ui::mapper {
+bool BrushMapper::XmlElementIsOfThisType(xml::XmlElementNode* node) {
+  auto color_mapper = MapperRegistry::GetInstance()->GetMapper<Color>();
+  return color_mapper->XmlElementIsOfThisType(node) ||
+         node->GetTag().CaseInsensitiveEqual(u"Brush");
+}
+
+std::shared_ptr<platform::graphics::IBrush> BrushMapper::DoMapFromXml(
+    xml::XmlElementNode* node) {
+  auto color_mapper = MapperRegistry::GetInstance()->GetMapper<Color>();
+
+  Color color = colors::transparent;
+
+  if (color_mapper->XmlElementIsOfThisType(node)) {
+    color = color_mapper->MapFromXml(node);
+  } else {
+    for (auto child : node->GetChildren()) {
+      if (child->IsElementNode()) {
+        auto c = child->AsElement();
+        if (color_mapper->XmlElementIsOfThisType(node)) {
+          color = color_mapper->MapFromXml(node);
+        }
+      }
+    }
+  }
+
+  return GetGraphicsFactory()->CreateSolidColorBrush(color);
+}
+}  // namespace cru::ui::mapper