From d9a3b8c14b9ab1bc591ca7c373daaf7141d2d098 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Thu, 24 Feb 2022 15:40:46 +0800
Subject: ...

---
 src/ui/CMakeLists.txt                             |  1 +
 src/ui/mapper/MapperRegistry.cpp                  |  2 ++
 src/ui/mapper/style/PreferredSizeStylerMapper.cpp | 26 +++++++++++++++++++++++
 src/ui/style/Styler.cpp                           |  4 ++++
 4 files changed, 33 insertions(+)
 create mode 100644 src/ui/mapper/style/PreferredSizeStylerMapper.cpp

(limited to 'src/ui')

diff --git a/src/ui/CMakeLists.txt b/src/ui/CMakeLists.txt
index 84f67407..2e3cd547 100644
--- a/src/ui/CMakeLists.txt
+++ b/src/ui/CMakeLists.txt
@@ -46,6 +46,7 @@ add_library(cru_ui SHARED
 	mapper/style/HoverConditionMapper.cpp
 	mapper/style/NoConditionMapper.cpp
 	mapper/style/OrConditionMapper.cpp
+	mapper/style/PreferredSizeStylerMapper.cpp
 	mapper/style/StyleRuleMapper.cpp
 	mapper/style/StyleRuleSetMapper.cpp
 	render/BorderRenderObject.cpp
diff --git a/src/ui/mapper/MapperRegistry.cpp b/src/ui/mapper/MapperRegistry.cpp
index afbbc8b9..b70418ef 100644
--- a/src/ui/mapper/MapperRegistry.cpp
+++ b/src/ui/mapper/MapperRegistry.cpp
@@ -17,6 +17,7 @@
 #include "cru/ui/mapper/style/HoverConditionMapper.h"
 #include "cru/ui/mapper/style/NoConditionMapper.h"
 #include "cru/ui/mapper/style/OrConditionMapper.h"
+#include "cru/ui/mapper/style/PreferredSizeStylerMapper.h"
 #include "cru/ui/mapper/style/StyleRuleMapper.h"
 #include "cru/ui/mapper/style/StyleRuleSetMapper.h"
 
@@ -47,6 +48,7 @@ MapperRegistry::MapperRegistry() {
   RegisterMapper(new HoverConditionMapper());
   RegisterMapper(new NoConditionMapper());
   RegisterMapper(new OrConditionMapper());
+  RegisterMapper(new PreferredSizeStylerMapper());
   RegisterMapper(new StyleRuleMapper());
   RegisterMapper(new StyleRuleSetMapper());
 }
diff --git a/src/ui/mapper/style/PreferredSizeStylerMapper.cpp b/src/ui/mapper/style/PreferredSizeStylerMapper.cpp
new file mode 100644
index 00000000..b4382c19
--- /dev/null
+++ b/src/ui/mapper/style/PreferredSizeStylerMapper.cpp
@@ -0,0 +1,26 @@
+#include "cru/ui/mapper/style/PreferredSizeStylerMapper.h"
+#include "cru/ui/render/MeasureRequirement.h"
+#include "cru/ui/style/Styler.h"
+
+namespace cru::ui::mapper::style {
+bool PreferredSizeStylerMapper::XmlElementIsOfThisType(
+    xml::XmlElementNode* node) {
+  return node->GetTag().CaseInsensitiveEqual(u"PreferredSizeStyler");
+}
+
+ClonablePtr<ui::style::PreferredSizeStyler>
+PreferredSizeStylerMapper::DoMapFromXml(xml::XmlElementNode* node) {
+  render::MeasureSize size;
+  auto width_attribute = node->GetOptionalAttributeCaseInsensitive(u"width");
+  if (width_attribute) {
+    size.width = width_attribute->ParseToFloat();
+  }
+
+  auto height_attribute = node->GetOptionalAttributeCaseInsensitive(u"height");
+  if (height_attribute) {
+    size.height = height_attribute->ParseToFloat();
+  }
+
+  return ui::style::PreferredSizeStyler::Create(size);
+}
+}  // namespace cru::ui::mapper::style
diff --git a/src/ui/style/Styler.cpp b/src/ui/style/Styler.cpp
index 72e522e0..7085fd3e 100644
--- a/src/ui/style/Styler.cpp
+++ b/src/ui/style/Styler.cpp
@@ -26,4 +26,8 @@ ClonablePtr<CursorStyler> CursorStyler::Create(
 void CursorStyler::Apply(controls::Control *control) const {
   control->SetCursor(cursor_);
 }
+
+void PreferredSizeStyler::Apply(controls::Control *control) const {
+  control->SetPreferredSize(size_);
+}
 }  // namespace cru::ui::style
-- 
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