88 lines
4.4 KiB
C++
88 lines
4.4 KiB
C++
// Copyright (c) Microsoft Corporation. All rights reserved.
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// Licensed under the MIT License.
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#pragma once
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#include "CalcViewModel/Common/Utils.h"
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namespace CalculatorApp
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{
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namespace Controls
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{
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public
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delegate void SelectedEventHandler(Platform::Object ^ sender);
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public
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ref class CalculationResult sealed : public Windows::UI::Xaml::Controls::Control
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{
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public:
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CalculationResult();
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DEPENDENCY_PROPERTY_OWNER(CalculationResult);
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DEPENDENCY_PROPERTY(Windows::UI::Xaml::Visibility, ExpressionVisibility);
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DEPENDENCY_PROPERTY_WITH_DEFAULT_AND_CALLBACK(double, MinFontSize, 0.0);
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DEPENDENCY_PROPERTY_WITH_DEFAULT_AND_CALLBACK(double, MaxFontSize, 30.0);
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DEPENDENCY_PROPERTY(Windows::UI::Xaml::Thickness, DisplayMargin);
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DEPENDENCY_PROPERTY(int, MaxExpressionHistoryCharacters);
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DEPENDENCY_PROPERTY_WITH_CALLBACK(bool, IsActive);
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DEPENDENCY_PROPERTY_WITH_CALLBACK(Windows::UI::Xaml::Media::Brush ^, AccentColor);
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DEPENDENCY_PROPERTY_WITH_CALLBACK(Platform::String ^, DisplayValue);
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DEPENDENCY_PROPERTY(Platform::String ^, DisplayStringExpression);
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DEPENDENCY_PROPERTY_WITH_CALLBACK(bool, IsInError);
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DEPENDENCY_PROPERTY_WITH_DEFAULT(bool, IsOperatorCommand, false);
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event SelectedEventHandler ^ Selected;
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void ProgrammaticSelect();
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internal : void UpdateTextState();
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Platform::String ^ GetRawDisplayValue();
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protected:
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virtual void OnKeyDown(Windows::UI::Xaml::Input::KeyRoutedEventArgs ^ e) override;
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virtual void OnApplyTemplate() override;
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virtual void OnTapped(Windows::UI::Xaml::Input::TappedRoutedEventArgs ^ e) override;
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virtual void OnPointerPressed(Windows::UI::Xaml::Input::PointerRoutedEventArgs ^ e) override;
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virtual void OnRightTapped(Windows::UI::Xaml::Input::RightTappedRoutedEventArgs ^ e) override;
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virtual void OnGotFocus(Windows::UI::Xaml::RoutedEventArgs ^ e) override;
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virtual void OnLostFocus(Windows::UI::Xaml::RoutedEventArgs ^ e) override;
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virtual Windows::UI::Xaml::Automation::Peers::AutomationPeer ^ OnCreateAutomationPeer() override;
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private:
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void OnIsActivePropertyChanged(bool oldValue, bool newValue);
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void OnAccentColorPropertyChanged(Windows::UI::Xaml::Media::Brush ^ oldValue, Windows::UI::Xaml::Media::Brush ^ newValue);
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void OnDisplayValuePropertyChanged(Platform::String ^ oldValue, Platform::String ^ newValue);
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void OnIsInErrorPropertyChanged(bool oldValue, bool newValue);
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void OnMinFontSizePropertyChanged(double oldValue, double newValue);
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void OnMaxFontSizePropertyChanged(double oldValue, double newValue);
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void TextContainerSizeChanged(Object ^ sender, Windows::UI::Xaml::SizeChangedEventArgs ^ e);
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void OnTextContainerLayoutUpdated(Object ^ sender, Object ^ e);
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void UpdateVisualState();
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void UpdateAllState();
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void OnScrollClick(Platform::Object ^ sender, Windows::UI::Xaml::RoutedEventArgs ^ e);
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void OnPointerEntered(Platform::Object ^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs ^ e);
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void OnPointerExited(Platform::Object ^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs ^ e);
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void ModifyFontAndMargin(Windows::UI::Xaml::Controls::TextBlock ^ textBlock, double fontChange);
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void ShowHideScrollButtons(Windows::UI::Xaml::Visibility vLeft, Windows::UI::Xaml::Visibility vRight);
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void UpdateScrollButtons();
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void ScrollLeft();
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void ScrollRight();
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void RaiseSelectedEvent();
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// Visual states for focused
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static Platform::StringReference s_FocusedState;
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static Platform::StringReference s_UnfocusedState;
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Windows::UI::Xaml::Controls::ScrollViewer ^ m_textContainer;
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Windows::UI::Xaml::Controls::TextBlock ^ m_textBlock;
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Windows::UI::Xaml::Controls::HyperlinkButton ^ m_scrollLeft;
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Windows::UI::Xaml::Controls::HyperlinkButton ^ m_scrollRight;
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double scrollRatio = 0.7;
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bool m_isScalingText;
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bool m_haveCalculatedMax;
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Windows::Foundation::EventRegistrationToken m_textContainerLayoutChangedToken;
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};
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}
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}
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