Merge pull request #18 from crupest/bound

Add support for enhanced bound check.

1 files changed, 46 insertions, 2 deletions

diff --git a/src/ui/control.cpp b/src/ui/control.cpp
index 2d368673..42e5f71f 100644
--- a/src/ui/control.cpp
+++ b/src/ui/control.cpp
@@ -191,8 +191,24 @@ namespace cru::ui
 
     bool Control::IsPointInside(const Point & point)
     {
-        const auto size = GetSize();
-        return point.x >= 0.0f && point.x < size.width && point.y >= 0.0f && point.y < size.height;
+        if (border_geometry_ != nullptr)
+        {
+            if (IsBordered())
+            {
+                BOOL contains;
+                border_geometry_->FillContainsPoint(Convert(point), D2D1::Matrix3x2F::Identity(), &contains);
+                if (!contains)
+                    border_geometry_->StrokeContainsPoint(Convert(point), GetBorderProperty().GetStrokeWidth(), nullptr, D2D1::Matrix3x2F::Identity(), &contains);
+                return contains != 0;
+            }
+            else
+            {
+                BOOL contains;
+                border_geometry_->FillContainsPoint(Convert(point), D2D1::Matrix3x2F::Identity(), &contains);
+                return contains != 0;
+            }
+        }
+        return false;
     }
 
     void Control::Draw(ID2D1DeviceContext* device_context)
@@ -319,6 +335,7 @@ namespace cru::ui
 
     void Control::InvalidateBorder()
     {
+        RegenerateBorderGeometry();
         InvalidateLayout();
         Repaint();
     }
@@ -486,6 +503,7 @@ namespace cru::ui
 
     void Control::OnSizeChangedCore(SizeChangedEventArgs & args)
     {
+        RegenerateBorderGeometry();
 #ifdef CRU_DEBUG_LAYOUT
         margin_geometry_ = CalculateSquareRingGeometry(GetRect(RectRange::Margin), GetRect(RectRange::FullBorder));
         padding_geometry_ = CalculateSquareRingGeometry(GetRect(RectRange::Padding), GetRect(RectRange::Content));
@@ -506,6 +524,32 @@ namespace cru::ui
         size_changed_event.Raise(args);
     }
 
+    void Control::RegenerateBorderGeometry()
+    {
+        if (IsBordered())
+        {
+            const auto bound_rect = GetRect(RectRange::HalfBorder);
+            const auto bound_rounded_rect = D2D1::RoundedRect(Convert(bound_rect),
+                GetBorderProperty().GetRadiusX(),
+                GetBorderProperty().GetRadiusY());
+
+            Microsoft::WRL::ComPtr<ID2D1RoundedRectangleGeometry> geometry;
+            ThrowIfFailed(
+                graph::GraphManager::GetInstance()->GetD2D1Factory()->CreateRoundedRectangleGeometry(bound_rounded_rect, &geometry)
+            );
+            border_geometry_ = std::move(geometry);
+        }
+        else
+        {
+            const auto bound_rect = GetRect(RectRange::Padding);
+            Microsoft::WRL::ComPtr<ID2D1RectangleGeometry> geometry;
+            ThrowIfFailed(
+                graph::GraphManager::GetInstance()->GetD2D1Factory()->CreateRectangleGeometry(Convert(bound_rect), &geometry)
+            );
+            border_geometry_ = std::move(geometry);
+        }
+    }
+
     void Control::OnMouseEnter(MouseEventArgs & args)
     {
     }