Create border delegate.

1 files changed, 85 insertions, 0 deletions

diff --git a/src/ui/controls/border_delegate.cpp b/src/ui/controls/border_delegate.cpp
new file mode 100644
index 00000000..4e841a8c
--- /dev/null
+++ b/src/ui/controls/border_delegate.cpp
@@ -0,0 +1,85 @@
+#include "border_delegate.h"
+
+namespace cru::ui::controls
+{
+    void BorderProperty::SetBrush(Microsoft::WRL::ComPtr<ID2D1Brush> brush)
+    {
+        brush_ = std::move(brush);
+        RaisePropertyChangedEvent(brush_property_name);
+    }
+
+    void BorderProperty::SetWidth(const float width)
+    {
+        width_ = width;
+        RaisePropertyChangedEvent(width_property_name);
+    }
+
+    void BorderProperty::SetStrokeStyle(Microsoft::WRL::ComPtr<ID2D1StrokeStyle> stroke_style)
+    {
+        stroke_style_ = std::move(stroke_style);
+        RaisePropertyChangedEvent(stroke_style_property_name);
+    }
+
+    void BorderProperty::SetRadiusX(const float radius_x)
+    {
+        radius_x_ = radius_x;
+        RaisePropertyChangedEvent(radius_x_property_name);
+    }
+
+    void BorderProperty::SetRadiusY(const float radius_y)
+    {
+        radius_y_ = radius_y;
+        RaisePropertyChangedEvent(radius_y_property_name);
+    }
+
+    BorderDelegate::BorderDelegate(Control* control)
+        : BorderDelegate(control, std::make_shared<BorderProperty>())
+    {
+
+    }
+
+    BorderDelegate::BorderDelegate(Control* control, std::shared_ptr<BorderProperty> border_property)\
+        : control_(control),
+        border_property_changed_listener_(CreateFunctionPtr<void(String)>([this](String property_name)
+    {
+        if (property_name == BorderProperty::width_property_name)
+            control_->InvalidateLayout();
+        control_->Repaint();
+    }))
+    {
+        border_property_ = std::move(border_property);
+        border_property_->AddPropertyChangedListener(border_property_changed_listener_);
+    }
+
+    void BorderDelegate::SetBorderProperty(std::shared_ptr<BorderProperty> border_property)
+    {
+        border_property_->RemovePropertyChangedListener(border_property_changed_listener_);
+        border_property_ = std::move(border_property);
+        border_property_->AddPropertyChangedListener(border_property_changed_listener_);
+    }
+
+    void BorderDelegate::Draw(ID2D1DeviceContext* device_context, const Size& size) const
+    {
+        device_context->DrawRoundedRectangle(
+            D2D1::RoundedRect(D2D1::RectF(0.0f, 0.0f, size.width, size.height),
+                border_property_->GetRadiusX(),
+                border_property_->GetRadiusY()
+            ),
+            border_property_->GetBrush().Get(),
+            border_property_->GetWidth(),
+            border_property_->GetStrokeStyle().Get()
+        );
+    }
+
+    Size BorderDelegate::GetBorderSize() const
+    {
+        const auto width = border_property_->GetWidth();
+        return Size(width * 2, width * 2);
+    }
+
+    Rect BorderDelegate::CoerceLayoutRect(const Rect& rect) const
+    {
+        const auto width = border_property_->GetWidth();
+        return Rect(rect.left + width, rect.top + width, rect.width - width * 2, rect.height - width * 2);
+    }
+}