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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| #include "pch.h" | ||
| #include "ControlWidthTrigger.h" | ||
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| namespace winrt { | ||
| using namespace ::winrt::Windows::Foundation; | ||
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| using namespace ::winrt::Microsoft::UI::Xaml; | ||
| using namespace ::winrt::Microsoft::UI::Xaml::Controls; | ||
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| using namespace ::winrt::Mntone::AngelUmbrella::Triggers; | ||
| } | ||
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| using namespace winrt::Mntone::AngelUmbrella::Triggers::implementation; | ||
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| ControlWidthTrigger::ControlWidthTrigger(): width_(0.f) { | ||
| props_.DelayInitIfNeeded(); | ||
| } | ||
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| void ControlWidthTrigger::UpdateTrigger(double minWidth) const { | ||
| bool active { false }; | ||
| if (TargetElement()) { | ||
| if (minWidth >= 0.0) { | ||
| active = width_ >= minWidth; | ||
| } | ||
| } | ||
| SetActive(active); | ||
| } | ||
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| void ControlWidthTrigger::OnTargetElementSizeChanged(IInspectable const& /*sender*/, SizeChangedEventArgs const& args) { | ||
| Size newSize { args.NewSize() }; | ||
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| double minWidth { MinWidth() }; | ||
| if (minWidth >= 0.0) { | ||
| if (width_ != newSize.Width) { | ||
| width_ = newSize.Width; | ||
| UpdateTrigger(minWidth); | ||
| } | ||
| } | ||
| } | ||
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| void ControlWidthTrigger::OnMinWidthChanged(double newValue) const { | ||
| UpdateTrigger(newValue); | ||
| } | ||
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| void ControlWidthTrigger::OnTargetElementChanged(Microsoft::UI::Xaml::FrameworkElement const& newValue) { | ||
| revoker_.revoke(); | ||
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| UpdateTrigger(MinWidth()); | ||
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| if (newValue) { | ||
| revoker_ = newValue.SizeChanged(auto_revoke, SizeChangedEventHandler(this, &ControlWidthTrigger::OnTargetElementSizeChanged)); | ||
| } | ||
| } | ||
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| void ControlWidthTrigger::OnMinWidthChangedStatic(DependencyObject const& sender, DependencyPropertyChangedEventArgs const& args) { | ||
| double oldValue { args.OldValue().as<double>() }; | ||
| double newValue { args.NewValue().as<double>() }; | ||
| if (oldValue >= 0.0 || newValue >= 0.0) { | ||
| get_self<ControlWidthTrigger>(sender.as<winrt::ControlWidthTrigger>())->OnMinWidthChanged(newValue); | ||
| } | ||
| } | ||
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| void ControlWidthTrigger::OnTargetElementChangedStatic(DependencyObject const& sender, DependencyPropertyChangedEventArgs const& args) { | ||
| get_self<ControlWidthTrigger>(sender.as<winrt::ControlWidthTrigger>())->OnTargetElementChanged(args.NewValue().as<FrameworkElement>()); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| #pragma once | ||
| #include "Triggers/ControlWidthTrigger.g.h" | ||
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| namespace winrt::Mntone::AngelUmbrella::Triggers::implementation { | ||
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| struct ControlWidthTrigger: ControlWidthTriggerT<ControlWidthTrigger> { | ||
| ControlWidthTrigger(); | ||
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| private: | ||
| inline void UpdateTrigger(double minWidth) const; | ||
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| private: | ||
| void OnTargetElementSizeChanged(Windows::Foundation::IInspectable const& sender, Microsoft::UI::Xaml::SizeChangedEventArgs const& args); | ||
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| inline void OnMinWidthChanged(double newValue) const; | ||
| inline void OnTargetElementChanged(Microsoft::UI::Xaml::FrameworkElement const& newValue); | ||
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| static void OnMinWidthChangedStatic(Microsoft::UI::Xaml::DependencyObject const& sender, Microsoft::UI::Xaml::DependencyPropertyChangedEventArgs const& args); | ||
| static void OnTargetElementChangedStatic(Microsoft::UI::Xaml::DependencyObject const& sender, Microsoft::UI::Xaml::DependencyPropertyChangedEventArgs const& args); | ||
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| public: // - Properties | ||
| inline double MinWidth() const { return GetValue(props_.MinWidth).as<double>(); } | ||
| inline void MinWidth(double value) const { SetValue(props_.MinWidth, box_value(value)); } | ||
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| inline Microsoft::UI::Xaml::FrameworkElement TargetElement() const { return GetValue(props_.TargetElement).as<Microsoft::UI::Xaml::FrameworkElement>(); } | ||
| inline void TargetElement(Microsoft::UI::Xaml::FrameworkElement const& value) const { SetValue(props_.TargetElement, value); } | ||
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| inline static Microsoft::UI::Xaml::DependencyProperty MinWidthProperty() noexcept { return props_.MinWidth; } | ||
| inline static Microsoft::UI::Xaml::DependencyProperty TargetElementProperty() noexcept { return props_.TargetElement; } | ||
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| private: // - Variables | ||
| float width_; | ||
| Microsoft::UI::Xaml::FrameworkElement::SizeChanged_revoker revoker_; | ||
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| struct DependencyProperties final { | ||
| void DelayInitIfNeeded(); | ||
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| bool initialized_ { false }; | ||
| Microsoft::UI::Xaml::DependencyProperty MinWidth { nullptr }; | ||
| Microsoft::UI::Xaml::DependencyProperty TargetElement { nullptr }; | ||
| }; | ||
| static DependencyProperties props_; | ||
| }; | ||
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| } | ||
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| namespace winrt::Mntone::AngelUmbrella::Triggers::factory_implementation { | ||
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| struct ControlWidthTrigger: ControlWidthTriggerT<ControlWidthTrigger, implementation::ControlWidthTrigger> { | ||
| }; | ||
|
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| #include "pch.h" | ||
| #include "ControlWidthTrigger.h" | ||
| #if __has_include("Triggers/ControlWidthTrigger.g.cpp") | ||
| #include "Triggers/ControlWidthTrigger.g.cpp" | ||
| #endif | ||
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| #define DELAY_INIT_DP // Delay Init | ||
| #include "Helpers/DependencyPropertyHelper.h" | ||
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| namespace projection { // Need to build | ||
| using namespace ::winrt::Mntone::AngelUmbrella::Triggers; | ||
| } | ||
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| using namespace ::winrt::Mntone::AngelUmbrella::Triggers::implementation; | ||
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| ControlWidthTrigger::DependencyProperties ControlWidthTrigger::props_; | ||
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| void ControlWidthTrigger::DependencyProperties::DelayInitIfNeeded() { | ||
| if (initialized_) return; | ||
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| DEFINE_PARENT_TYPENAME(ControlWidthTrigger); | ||
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| DEFINE_DP_METADATA( | ||
| MinWidth, | ||
| double, | ||
| ControlWidthTrigger, | ||
| PropertyMetadata( | ||
| box_value(-1.0), | ||
| &ControlWidthTrigger::OnMinWidthChangedStatic)); | ||
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| DEFINE_DP_CALLBACK( | ||
| TargetElement, | ||
| Microsoft::UI::Xaml::FrameworkElement, | ||
| ControlWidthTrigger, | ||
| &ControlWidthTrigger::OnTargetElementChangedStatic); | ||
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| initialized_ = true; | ||
| } |