Make text box use border delegate. Fix layout bug in margin container.

1 files changed, 20 insertions, 8 deletions

diff --git a/src/ui/controls/text_box.cpp b/src/ui/controls/text_box.cpp
index 4a4114ab..0d65f1ad 100644
--- a/src/ui/controls/text_box.cpp
+++ b/src/ui/controls/text_box.cpp
@@ -26,21 +26,28 @@ namespace cru::ui::controls
             is_caret_show_ = !is_caret_show_;
             Repaint();
         });
+
+        border_delegate_ = std::make_unique<BorderDelegate>(this);
     }
 
     TextBox::~TextBox() = default;
 
     void TextBox::OnDraw(ID2D1DeviceContext* device_context)
     {
-        TextControl::OnDraw(device_context);
-        if (is_caret_show_)
+        border_delegate_->Draw(device_context, GetSize());
+        const auto border_thickness = border_delegate_->GetBorderThickness();
+        graph::WithTransform(device_context, D2D1::Matrix3x2F::Translation(border_thickness.left, border_thickness.top), [this](ID2D1DeviceContext* device_context)
         {
-            const auto caret_half_width = Application::GetInstance()->GetCaretInfo().half_caret_width;
-            FLOAT x, y;
-            DWRITE_HIT_TEST_METRICS metrics{};
-            ThrowIfFailed(text_layout_->HitTestTextPosition(caret_position_, FALSE, &x, &y, &metrics));
-            device_context->FillRectangle(D2D1::RectF(metrics.left - caret_half_width, metrics.top, metrics.left + caret_half_width, metrics.top + metrics.height), caret_brush_.Get());
-        }
+            TextControl::OnDraw(device_context);
+            if (is_caret_show_)
+            {
+                const auto caret_half_width = Application::GetInstance()->GetCaretInfo().half_caret_width;
+                FLOAT x, y;
+                DWRITE_HIT_TEST_METRICS metrics{};
+                ThrowIfFailed(text_layout_->HitTestTextPosition(caret_position_, FALSE, &x, &y, &metrics));
+                device_context->FillRectangle(D2D1::RectF(metrics.left - caret_half_width, metrics.top, metrics.left + caret_half_width, metrics.top + metrics.height), caret_brush_.Get());
+            }
+        });
     }
 
     void TextBox::OnGetFocusCore(events::FocusChangeEventArgs& args)
@@ -131,6 +138,11 @@ namespace cru::ui::controls
         }
     }
 
+    Size TextBox::OnMeasure(const Size& available_size)
+    {
+        return TextMeasureWithPadding(available_size, border_delegate_->GetBorderThickness());
+    }
+
     void TextBox::RequestChangeCaretPosition(const unsigned position)
     {
         caret_position_ = position;