Hello GitHub

2019-01-28 16:24:37 -08:00
parent 456fe5e355
commit c13b8a099e
822 changed files with 276650 additions and 75 deletions
--- a/src/Calculator/Controls/OverflowTextBlock.h
+++ b/src/Calculator/Controls/OverflowTextBlock.h
@@ -0,0 +1,56 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#pragma once
+
+namespace CalculatorApp
+{
+    namespace Controls
+    {
+        public ref class OverflowTextBlock sealed : public Windows::UI::Xaml::Controls::Control
+        {
+        public:
+            OverflowTextBlock() 
+            {
+            }
+
+            DEPENDENCY_PROPERTY_OWNER(OverflowTextBlock);
+
+            DEPENDENCY_PROPERTY_WITH_CALLBACK(bool, TokensUpdated);
+            DEPENDENCY_PROPERTY(bool, IsActive);
+            DEPENDENCY_PROPERTY(Windows::UI::Xaml::Style^, TextStyle);
+            void UpdateScrollButtons();
+            void UnregisterEventHandlers();
+
+        protected:
+            virtual void OnApplyTemplate() override;
+            virtual Windows::UI::Xaml::Automation::Peers::AutomationPeer^ OnCreateAutomationPeer() override;
+
+        private:
+            void OnScrollClick(_In_ Platform::Object^ sender, _In_ Windows::UI::Xaml::RoutedEventArgs^ e);
+            void OnPointerEntered(_In_ Platform::Object^ sender, _In_ Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e);
+            void OnPointerExited(_In_ Platform::Object^ sender, _In_ Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e);
+            void ShowHideScrollButtons(Windows::UI::Xaml::Visibility vLeft, Windows::UI::Xaml::Visibility vRight);
+            void OnTokensUpdatedPropertyChanged(bool oldValue, bool newValue);
+
+            void UpdateVisualState();
+            void UpdateExpressionState();
+            void UpdateAllState();
+            void ScrollLeft();
+            void ScrollRight();
+
+            double scrollRatio = 0.7;
+            bool m_scrollingLeft;
+            bool m_scrollingRight;
+            Windows::UI::Xaml::Controls::ListView^ m_listView;
+            Windows::UI::Xaml::Controls::ScrollViewer^ m_expressionContainer;
+            Windows::UI::Xaml::Controls::Button^ m_scrollLeft;
+            Windows::UI::Xaml::Controls::Button^ m_scrollRight;
+
+            Windows::Foundation::EventRegistrationToken m_scrollLeftClickEventToken;
+            Windows::Foundation::EventRegistrationToken m_scrollRightClickEventToken;
+            Windows::Foundation::EventRegistrationToken m_pointerEnteredEventToken;
+            Windows::Foundation::EventRegistrationToken m_pointerExitedEventToken;
+        };
+    }
+}