...

15 files changed, 236 insertions, 85 deletions

diff --git a/assets/cru/ui/DefaultResources.xml b/assets/cru/ui/DefaultResources.xml
new file mode 100644
index 00000000..fbe48182
--- /dev/null
+++ b/assets/cru/ui/DefaultResources.xml
@@ -0,0 +1,97 @@
+<Theme>
+    <Resource key="button-style">
+        <StyleRuleSet>
+            <StyleRule>
+                <NoCondition />
+                <BorderStyler>
+                    <BorderStyle>
+                        <Thickness value="5" />
+                        <CornerRadius all="5" />
+                    </BorderStyle>
+                </BorderStyler>
+            </StyleRule>
+            <StyleRule>
+                <ClickStateCondition value="none" />
+                <BorderStyler>
+                    <BorderStyle>
+                        <Color value="#00bfff" />
+                    </BorderStyle>
+                </BorderStyler>
+                <CursorStyler>
+                    <Cursor value="arrow" />
+                </CursorStyler>
+            </StyleRule>
+            <StyleRule>
+                <ClickStateCondition value="hover" />
+                <BorderStyler>
+                    <BorderStyle>
+                        <Color value="#47d1ff" />
+                    </BorderStyle>
+                </BorderStyler>
+                <CursorStyler>
+                    <Cursor value="hand" />
+                </CursorStyler>
+            </StyleRule>
+            <StyleRule>
+                <ClickStateCondition value="press" />
+                <BorderStyler>
+                    <BorderStyle>
+                        <Color value="#91e4ff" />
+                    </BorderStyle>
+                </BorderStyler>
+                <CursorStyler>
+                    <Cursor value="hand" />
+                </CursorStyler>
+            </StyleRule>
+            <StyleRule>
+                <ClickStateCondition value="pressinactive" />
+                <BorderStyler>
+                    <BorderStyle>
+                        <Color value="#91e4ff" />
+                    </BorderStyle>
+                </BorderStyler>
+                <CursorStyler>
+                    <Cursor value="arrow" />
+                </CursorStyler>
+            </StyleRule>
+        </StyleRuleSet>
+    </Resource>
+
+    <Resource key="text-box-style">
+        <StyleRuleSet>
+            <StyleRule>
+                <NoCondition />
+                <BorderStyler>
+                    <BorderStyle>
+                        <Thickness value="1" />
+                        <CornerRadius all="5" />
+                    </BorderStyle>
+                </BorderStyler>
+            </StyleRule>
+            <StyleRule>
+                <HoverCondition value="false" />
+                <BorderStyler>
+                    <BorderStyle>
+                        <Color value="#ced4da" />
+                    </BorderStyle>
+                </BorderStyler>
+            </StyleRule>
+            <StyleRule>
+                <HoverCondition value="true" />
+                <BorderStyler>
+                    <BorderStyle>
+                        <Color value="#ced4da" />
+                    </BorderStyle>
+                </BorderStyler>
+            </StyleRule>
+            <StyleRule>
+                <FocusCondition value="true" />
+                <BorderStyler>
+                    <BorderStyle>
+                        <Color value="#495057" />
+                    </BorderStyle>
+                </BorderStyler>
+            </StyleRule>
+        </StyleRuleSet>
+    </Resource>
+</Theme>
diff --git a/include/cru/common/io/FileStream.hpp b/include/cru/common/io/FileStream.hpp
new file mode 100644
index 00000000..da7849cd
--- /dev/null
+++ b/include/cru/common/io/FileStream.hpp
@@ -0,0 +1,8 @@
+#pragma once
+
+#ifdef CRU_PLATFORM_UNIX
+#include "UnixFileStream.hpp"
+namespace cru::io {
+using FileStream = UnixFileStream;
+}
+#endif
diff --git a/include/cru/ui/UiManager.hpp b/include/cru/ui/UiManager.hpp
index 4a2a7a77..d16adc4f 100644
--- a/include/cru/ui/UiManager.hpp
+++ b/include/cru/ui/UiManager.hpp
@@ -19,9 +19,8 @@ struct ThemeResources {
   std::shared_ptr<platform::graphics::IBrush> text_selection_brush;
   std::shared_ptr<platform::graphics::IBrush> caret_brush;
 
-  style::StyleRuleSet button_style;
-
-  style::StyleRuleSet text_box_style;
+  std::shared_ptr<style::StyleRuleSet> button_style;
+  std::shared_ptr<style::StyleRuleSet> text_box_style;
 
   style::StyleRuleSet menu_item_style;
 };
@@ -42,6 +41,8 @@ class CRU_UI_API UiManager : public Object {
 
   ThemeResources* GetThemeResources() { return &theme_resource_; }
 
+  void ReadResourcesFile(const String& file_path);
+
  private:
   ThemeResources theme_resource_;
 };
diff --git a/include/cru/ui/mapper/style/ClickStateConditionMapper.hpp b/include/cru/ui/mapper/style/ClickStateConditionMapper.hpp
index 2fea5353..63577641 100644
--- a/include/cru/ui/mapper/style/ClickStateConditionMapper.hpp
+++ b/include/cru/ui/mapper/style/ClickStateConditionMapper.hpp
@@ -6,7 +6,7 @@
 namespace cru::ui::mapper::style {
 class CRU_UI_API ClickStateConditionMapper
     : public BasicPtrMapper<ui::style::ClickStateCondition>,
-      public IConditionMapper {
+      public virtual IConditionMapper {
  public:
   CRU_DEFAULT_CONSTRUCTOR_DESTRUCTOR(ClickStateConditionMapper)
 
diff --git a/include/cru/ui/mapper/style/HoverConditionMapper.hpp b/include/cru/ui/mapper/style/HoverConditionMapper.hpp
new file mode 100644
index 00000000..bbd840f0
--- /dev/null
+++ b/include/cru/ui/mapper/style/HoverConditionMapper.hpp
@@ -0,0 +1,26 @@
+#pragma once
+#include "../Mapper.hpp"
+#include "IConditionMapper.hpp"
+#include "cru/ui/style/Condition.hpp"
+
+namespace cru::ui::mapper::style {
+class CRU_UI_API HoverConditionMapper
+    : public BasicPtrMapper<ui::style::HoverCondition>,
+      public virtual IConditionMapper {
+ public:
+  CRU_DEFAULT_CONSTRUCTOR_DESTRUCTOR(HoverConditionMapper)
+
+ public:
+  bool SupportMapFromXml() override { return true; }
+  bool XmlElementIsOfThisType(xml::XmlElementNode* node) override;
+
+  ClonablePtr<ui::style::Condition> MapConditionFromXml(
+      xml::XmlElementNode* node) override {
+    return MapFromXml(node);
+  }
+
+ protected:
+  ClonablePtr<ui::style::HoverCondition> DoMapFromXml(
+      xml::XmlElementNode* node) override;
+};
+}  // namespace cru::ui::mapper::style
diff --git a/include/cru/xml/XmlNode.hpp b/include/cru/xml/XmlNode.hpp
index c9e538c0..f308c9de 100644
--- a/include/cru/xml/XmlNode.hpp
+++ b/include/cru/xml/XmlNode.hpp
@@ -118,6 +118,8 @@ class CRU_XML_API XmlElementNode : public XmlNode {
   void AddAttribute(String key, String value);
   void AddChild(XmlNode* child);
 
+  XmlElementNode* GetFirstChildElement() const;
+
   XmlNode* Clone() const override;
 
  private:
diff --git a/src/common/io/Stream.cpp b/src/common/io/Stream.cpp
index bf102441..4f2953f9 100644
--- a/src/common/io/Stream.cpp
+++ b/src/common/io/Stream.cpp
@@ -7,7 +7,7 @@ Index Stream::GetSize() {
   Index current_position = Tell();
   Seek(0, SeekOrigin::End);
   Index size = Tell();
-  Seek(current_position);
+  Seek(current_position, SeekOrigin::Begin);
   return size;
 }
 
diff --git a/src/ui/CMakeLists.txt b/src/ui/CMakeLists.txt
index 47197569..353695a4 100644
--- a/src/ui/CMakeLists.txt
+++ b/src/ui/CMakeLists.txt
@@ -40,6 +40,7 @@ add_library(cru_ui SHARED
 	mapper/style/ClickStateConditionMapper.cpp
 	mapper/style/CursorStylerMapper.cpp
 	mapper/style/FocusConditionMapper.cpp
+	mapper/style/HoverConditionMapper.cpp
 	mapper/style/NoConditionMapper.cpp
 	mapper/style/OrConditionMapper.cpp
 	mapper/style/StyleRuleMapper.cpp
diff --git a/src/ui/UiManager.cpp b/src/ui/UiManager.cpp
index 7f3d3b16..e374cc2e 100644
--- a/src/ui/UiManager.cpp
+++ b/src/ui/UiManager.cpp
@@ -1,6 +1,8 @@
 #include "cru/ui/UiManager.hpp"
 
 #include "Helper.hpp"
+#include "cru/common/io/FileStream.hpp"
+#include "cru/common/io/OpenFileFlag.hpp"
 #include "cru/platform/graphics/Brush.hpp"
 #include "cru/platform/graphics/Factory.hpp"
 #include "cru/platform/graphics/Font.hpp"
@@ -8,10 +10,13 @@
 #include "cru/platform/gui/UiApplication.hpp"
 #include "cru/ui/Base.hpp"
 #include "cru/ui/helper/ClickDetector.hpp"
+#include "cru/ui/mapper/MapperRegistry.hpp"
 #include "cru/ui/render/ScrollBar.hpp"
 #include "cru/ui/style/ApplyBorderStyleInfo.hpp"
 #include "cru/ui/style/Condition.hpp"
 #include "cru/ui/style/Styler.hpp"
+#include "cru/xml/XmlNode.hpp"
+#include "cru/xml/XmlParser.hpp"
 
 #include <optional>
 
@@ -32,6 +37,10 @@ UiManager* UiManager::GetInstance() {
 UiManager::UiManager() {
   const auto factory = GetGraphicsFactory();
 
+   // TODO: Resource file path!!!
+  ReadResourcesFile(
+      u"/Users/crupest/codes/cru/assets/cru/ui/DefaultResources.xml");
+
   theme_resource_.default_font_family = u"";
 
   theme_resource_.default_font =
@@ -45,62 +54,6 @@ UiManager::UiManager() {
       factory->CreateSolidColorBrush(colors::skyblue);
   theme_resource_.caret_brush = black_brush;
 
-  theme_resource_.button_style.AddStyleRule(
-      {NoCondition::Create(),
-       BorderStyler::Create(ApplyBorderStyleInfo{std::nullopt, Thickness(3),
-                                                 CornerRadius(5), std::nullopt,
-                                                 std::nullopt}),
-       u"DefaultButton"});
-  theme_resource_.button_style.AddStyleRule(
-      {ClickStateCondition::Create(ClickState::None),
-       CompoundStyler::Create(
-           BorderStyler::Create(ApplyBorderStyleInfo{
-               factory->CreateSolidColorBrush(Color::FromHex(0x00bfff))}),
-           CursorStyler::Create(platform::gui::SystemCursorType::Arrow)),
-       u"DefaultButtonNormal"});
-  theme_resource_.button_style.AddStyleRule(
-      {ClickStateCondition::Create(ClickState::Hover),
-       CompoundStyler::Create(
-           BorderStyler::Create(ApplyBorderStyleInfo{
-               factory->CreateSolidColorBrush(Color::FromHex(0x47d1ff))}),
-           CursorStyler::Create(platform::gui::SystemCursorType::Hand)),
-       u"DefaultButtonHover"});
-  theme_resource_.button_style.AddStyleRule(
-      {ClickStateCondition::Create(ClickState::Press),
-       CompoundStyler::Create(
-           BorderStyler::Create(ApplyBorderStyleInfo{
-               factory->CreateSolidColorBrush(Color::FromHex(0x91e4ff))}),
-           CursorStyler::Create(platform::gui::SystemCursorType::Hand)),
-       u"DefaultButtonPress"});
-  theme_resource_.button_style.AddStyleRule(
-      {ClickStateCondition::Create(ClickState::PressInactive),
-       CompoundStyler::Create(
-           BorderStyler::Create(ApplyBorderStyleInfo{
-               factory->CreateSolidColorBrush(Color::FromHex(0x91e4ff))}),
-           CursorStyler::Create(platform::gui::SystemCursorType::Arrow)),
-       u"DefaultButtonPressInactive"});
-
-  theme_resource_.text_box_style.AddStyleRule(
-      {NoCondition::Create(),
-       BorderStyler::Create(
-           ApplyBorderStyleInfo{std::nullopt, Thickness{1}, CornerRadius{5}}),
-       u"DefaultTextBox"});
-  theme_resource_.text_box_style.AddStyleRule(
-      {HoverCondition::Create(false),
-       BorderStyler::Create(ApplyBorderStyleInfo{
-           factory->CreateSolidColorBrush(Color::FromHex(0xced4da))}),
-       u"DefaultTextBoxNormal"});
-  theme_resource_.text_box_style.AddStyleRule(
-      {HoverCondition::Create(true),
-       BorderStyler::Create(ApplyBorderStyleInfo{
-           factory->CreateSolidColorBrush(Color::FromHex(0xced4da))}),
-       u"DefaultTextBoxHover"});
-  theme_resource_.text_box_style.AddStyleRule(
-      {FocusCondition::Create(true),
-       BorderStyler::Create(ApplyBorderStyleInfo{
-           factory->CreateSolidColorBrush(Color::FromHex(0x495057))}),
-       u"DefaultTextBoxFocus"});
-
   theme_resource_.menu_item_style.AddStyleRule(
       {NoCondition::Create(),
        BorderStyler::Create(
@@ -109,4 +62,33 @@ UiManager::UiManager() {
 }
 
 UiManager::~UiManager() = default;
+
+void UiManager::ReadResourcesFile(const String& file_path) {
+  io::FileStream stream(file_path, io::OpenFileFlags::Read);
+  auto xml_string = stream.ReadAllAsString();
+  auto parser = xml::XmlParser(xml_string);
+  auto xml_root = parser.Parse();
+
+  for (auto child : xml_root->GetChildren()) {
+    if (child->GetType() == xml::XmlNode::Type::Element) {
+      auto c = child->AsElement();
+      if (c->GetTag().CaseInsensitiveEqual(u"Resource")) {
+        auto key = c->GetAttributeCaseInsensitive(u"key");
+        if (key.CaseInsensitiveEqual(u"button-style")) {
+          auto style_rule_set_mapper = mapper::MapperRegistry::GetInstance()
+                                           ->GetRefMapper<StyleRuleSet>();
+          auto style_rule_set =
+              style_rule_set_mapper->MapFromXml(c->GetFirstChildElement());
+          theme_resource_.button_style = style_rule_set;
+        } else if (key.CaseInsensitiveEqual(u"text-box-style")) {
+          auto style_rule_set_mapper = mapper::MapperRegistry::GetInstance()
+                                           ->GetRefMapper<StyleRuleSet>();
+          auto style_rule_set =
+              style_rule_set_mapper->MapFromXml(c->GetFirstChildElement());
+          theme_resource_.text_box_style = style_rule_set;
+        }
+      }
+    }
+  }
+}
 }  // namespace cru::ui
diff --git a/src/ui/controls/Button.cpp b/src/ui/controls/Button.cpp
index c6480b77..0f122650 100644
--- a/src/ui/controls/Button.cpp
+++ b/src/ui/controls/Button.cpp
@@ -15,8 +15,9 @@ Button::Button() : click_detector_(this) {
   SetContainerRenderObject(render_object_.get());
   render_object_->SetBorderEnabled(true);
 
-  GetStyleRuleSet()->SetParent(
-      &UiManager::GetInstance()->GetThemeResources()->button_style);
+  auto default_button_style =
+      UiManager::GetInstance()->GetThemeResources()->button_style.get();
+  GetStyleRuleSet()->SetParent(default_button_style);
 }
 
 Button::~Button() = default;
diff --git a/src/ui/controls/TextBox.cpp b/src/ui/controls/TextBox.cpp
index 47706174..bf72b494 100644
--- a/src/ui/controls/TextBox.cpp
+++ b/src/ui/controls/TextBox.cpp
@@ -37,7 +37,7 @@ TextBox::TextBox()
 
   border_render_object_->SetBorderEnabled(true);
 
-  GetStyleRuleSet()->SetParent(&theme_resources->text_box_style);
+  GetStyleRuleSet()->SetParent(theme_resources->text_box_style.get());
 }
 
 TextBox::~TextBox() {}
diff --git a/src/ui/mapper/MapperRegistry.cpp b/src/ui/mapper/MapperRegistry.cpp
index d7131e33..a9c53129 100644
--- a/src/ui/mapper/MapperRegistry.cpp
+++ b/src/ui/mapper/MapperRegistry.cpp
@@ -11,6 +11,7 @@
 #include "cru/ui/mapper/style/ClickStateConditionMapper.hpp"
 #include "cru/ui/mapper/style/CursorStylerMapper.hpp"
 #include "cru/ui/mapper/style/FocusConditionMapper.hpp"
+#include "cru/ui/mapper/style/HoverConditionMapper.hpp"
 #include "cru/ui/mapper/style/NoConditionMapper.hpp"
 #include "cru/ui/mapper/style/OrConditionMapper.hpp"
 #include "cru/ui/mapper/style/StyleRuleMapper.hpp"
@@ -19,31 +20,31 @@
 namespace cru::ui::mapper {
 MapperRegistry *MapperRegistry::GetInstance() {
   static MapperRegistry instance;
+  return &instance;
+}
 
+MapperRegistry::MapperRegistry() {
   using namespace style;
 
-  instance.RegisterMapper(new CornerRadiusMapper());
-  instance.RegisterMapper(new PointMapper());
-  instance.RegisterMapper(new SizeMapper());
-  instance.RegisterMapper(new ThicknessMapper());
-  instance.RegisterMapper(new BorderStyleMapper());
-  instance.RegisterMapper(new ColorMapper());
-  instance.RegisterMapper(new CursorMapper());
-  instance.RegisterMapper(new AndConditionMapper());
-  instance.RegisterMapper(new BorderStylerMapper());
-  instance.RegisterMapper(new ClickStateConditionMapper());
-  instance.RegisterMapper(new CursorStylerMapper());
-  instance.RegisterMapper(new FocusConditionMapper());
-  instance.RegisterMapper(new NoConditionMapper());
-  instance.RegisterMapper(new OrConditionMapper());
-  instance.RegisterMapper(new StyleRuleMapper());
-  instance.RegisterMapper(new StyleRuleSetMapper());
-
-  return &instance;
+  RegisterMapper(new CornerRadiusMapper());
+  RegisterMapper(new PointMapper());
+  RegisterMapper(new SizeMapper());
+  RegisterMapper(new ThicknessMapper());
+  RegisterMapper(new BorderStyleMapper());
+  RegisterMapper(new ColorMapper());
+  RegisterMapper(new CursorMapper());
+  RegisterMapper(new AndConditionMapper());
+  RegisterMapper(new BorderStylerMapper());
+  RegisterMapper(new ClickStateConditionMapper());
+  RegisterMapper(new CursorStylerMapper());
+  RegisterMapper(new FocusConditionMapper());
+  RegisterMapper(new HoverConditionMapper());
+  RegisterMapper(new NoConditionMapper());
+  RegisterMapper(new OrConditionMapper());
+  RegisterMapper(new StyleRuleMapper());
+  RegisterMapper(new StyleRuleSetMapper());
 }
 
-MapperRegistry::MapperRegistry() {}
-
 MapperRegistry::~MapperRegistry() {
   for (auto mapper : mapper_list_) {
     delete mapper;
diff --git a/src/ui/mapper/style/CursorStylerMapper.cpp b/src/ui/mapper/style/CursorStylerMapper.cpp
index 0b29c938..c63d451c 100644
--- a/src/ui/mapper/style/CursorStylerMapper.cpp
+++ b/src/ui/mapper/style/CursorStylerMapper.cpp
@@ -6,7 +6,7 @@
 
 namespace cru::ui::mapper::style {
 bool CursorStylerMapper::XmlElementIsOfThisType(xml::XmlElementNode* node) {
-  return node->GetTag().CaseInsensitiveEqual(u"cursor");
+  return node->GetTag().CaseInsensitiveEqual(u"CursorStyler");
 }
 
 ClonablePtr<ui::style::CursorStyler> CursorStylerMapper::DoMapFromXml(
diff --git a/src/ui/mapper/style/HoverConditionMapper.cpp b/src/ui/mapper/style/HoverConditionMapper.cpp
new file mode 100644
index 00000000..b78c12e9
--- /dev/null
+++ b/src/ui/mapper/style/HoverConditionMapper.cpp
@@ -0,0 +1,23 @@
+#include "cru/ui/mapper/style/HoverConditionMapper.hpp"
+#include "cru/common/ClonablePtr.hpp"
+#include "cru/ui/style/Condition.hpp"
+
+namespace cru::ui::mapper::style {
+using namespace cru::ui::style;
+
+bool HoverConditionMapper::XmlElementIsOfThisType(xml::XmlElementNode* node) {
+  return node->GetTag().CaseInsensitiveEqual(u"HoverCondition");
+}
+
+ClonablePtr<HoverCondition> HoverConditionMapper::DoMapFromXml(
+    xml::XmlElementNode* node) {
+  auto value = node->GetAttributeCaseInsensitive(u"value");
+  if (value.CaseInsensitiveEqual(u"true")) {
+    return ui::style::HoverCondition::Create(true);
+  } else if (value.CaseInsensitiveEqual(u"false")) {
+    return ui::style::HoverCondition::Create(false);
+  } else {
+    throw Exception(u"Invalid value for HoverCondition: " + value);
+  }
+}
+}  // namespace cru::ui::mapper::style
diff --git a/src/xml/XmlNode.cpp b/src/xml/XmlNode.cpp
index 5c6294c8..79847544 100644
--- a/src/xml/XmlNode.cpp
+++ b/src/xml/XmlNode.cpp
@@ -32,6 +32,15 @@ void XmlElementNode::AddChild(XmlNode* child) {
   child->parent_ = this;
 }
 
+XmlElementNode* XmlElementNode::GetFirstChildElement() const {
+  for (auto child : children_) {
+    if (child->GetType() == XmlNode::Type::Element) {
+      return child->AsElement();
+    }
+  }
+  return nullptr;
+}
+
 XmlNode* XmlElementNode::Clone() const {
   XmlElementNode* node = new XmlElementNode(tag_, attributes_);