Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Input / Command / KeyBinding.cs / 1305600 / KeyBinding.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: The KeyBinding class is used by the developer to create Keyboard Input Bindings // // See spec at : http://avalon/coreui/Specs/Commanding(new).mht // //* KeyBinding class serves the purpose of Input Bindings for Keyboard Device. // // History: // 06/01/2003 : chandras - Created // 05/01/2004 : chandra - changed to accommodate new design // ( http://avalon/coreui/Specs/Commanding(new).mht ) //--------------------------------------------------------------------------- using System; using System.Windows.Input; using System.Windows; using System.ComponentModel; using System.Windows.Markup; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows.Input { ////// KeyBinding - Implements InputBinding (generic InputGesture-Command map) /// KeyBinding acts like a map for KeyGesture and Commands. /// Most of the logic is in InputBinding and KeyGesture, this only /// facilitates user to add Key/Modifiers directly without going in /// KeyGesture path. Also it provides the KeyGestureTypeConverter /// on the Gesture property to have KeyGesture, like Ctrl+X, Alt+V /// defined in Markup as Gesture="Ctrl+X" working /// public class KeyBinding : InputBinding { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructor ////// Constructor /// public KeyBinding() : base() { } ////// Constructor /// /// Command associated /// KeyGesture associated public KeyBinding(ICommand command, KeyGesture gesture) : base(command, gesture) { SynchronizePropertiesFromGesture(gesture); } ////// Constructor /// /// /// modifiers /// key public KeyBinding(ICommand command, Key key, ModifierKeys modifiers) : this(command, new KeyGesture(key, modifiers)) { } #endregion Constructor //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- #region Public Methods ////// KeyGesture Override, to ensure type-safety and provide a /// TypeConverter for KeyGesture /// [TypeConverter(typeof(KeyGestureConverter))] [ValueSerializer(typeof(KeyGestureValueSerializer))] public override InputGesture Gesture { get { return base.Gesture as KeyGesture; } set { KeyGesture keyGesture = value as KeyGesture; if (keyGesture != null) { base.Gesture = value; SynchronizePropertiesFromGesture(keyGesture); } else { throw new ArgumentException(SR.Get(SRID.InputBinding_ExpectedInputGesture, typeof(KeyGesture))); } } } ////// Dependency Property for Modifiers /// public static readonly DependencyProperty ModifiersProperty = DependencyProperty.Register("Modifiers", typeof(ModifierKeys), typeof(KeyBinding), new UIPropertyMetadata(ModifierKeys.None, new PropertyChangedCallback(OnModifiersPropertyChanged))); ////// Modifiers /// public ModifierKeys Modifiers { get { return (ModifierKeys)GetValue(ModifiersProperty); } set { SetValue(ModifiersProperty, value); } } private static void OnModifiersPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { KeyBinding keyBinding = (KeyBinding)d; keyBinding.SynchronizeGestureFromProperties(keyBinding.Key, (ModifierKeys)(e.NewValue)); } ////// Dependency Property for Key /// public static readonly DependencyProperty KeyProperty = DependencyProperty.Register("Key", typeof(Key), typeof(KeyBinding), new UIPropertyMetadata(Key.None, new PropertyChangedCallback(OnKeyPropertyChanged))); ////// Key /// public Key Key { get { return (Key)GetValue(KeyProperty); } set { SetValue(KeyProperty, value); } } private static void OnKeyPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { KeyBinding keyBinding = (KeyBinding)d; keyBinding.SynchronizeGestureFromProperties((Key)(e.NewValue), keyBinding.Modifiers); } #endregion Public Methods #region Freezable protected override Freezable CreateInstanceCore() { return new KeyBinding(); } #endregion #region Private Methods ////// Synchronized Properties from Gesture /// private void SynchronizePropertiesFromGesture(KeyGesture keyGesture) { if (!_settingGesture) { _settingGesture = true; try { Key = keyGesture.Key; Modifiers = keyGesture.Modifiers; } finally { _settingGesture = false; } } } ////// Synchronized Gesture from properties /// private void SynchronizeGestureFromProperties(Key key, ModifierKeys modifiers) { if (!_settingGesture) { _settingGesture = true; try { Gesture = new KeyGesture(key, modifiers, /*validateGesture = */ false); } finally { _settingGesture = false; } } } #endregion //------------------------------------------------------ // // Private Fields // //------------------------------------------------------ #region Data private bool _settingGesture = false; #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: The KeyBinding class is used by the developer to create Keyboard Input Bindings // // See spec at : http://avalon/coreui/Specs/Commanding(new).mht // //* KeyBinding class serves the purpose of Input Bindings for Keyboard Device. // // History: // 06/01/2003 : chandras - Created // 05/01/2004 : chandra - changed to accommodate new design // ( http://avalon/coreui/Specs/Commanding(new).mht ) //--------------------------------------------------------------------------- using System; using System.Windows.Input; using System.Windows; using System.ComponentModel; using System.Windows.Markup; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows.Input { ////// KeyBinding - Implements InputBinding (generic InputGesture-Command map) /// KeyBinding acts like a map for KeyGesture and Commands. /// Most of the logic is in InputBinding and KeyGesture, this only /// facilitates user to add Key/Modifiers directly without going in /// KeyGesture path. Also it provides the KeyGestureTypeConverter /// on the Gesture property to have KeyGesture, like Ctrl+X, Alt+V /// defined in Markup as Gesture="Ctrl+X" working /// public class KeyBinding : InputBinding { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructor ////// Constructor /// public KeyBinding() : base() { } ////// Constructor /// /// Command associated /// KeyGesture associated public KeyBinding(ICommand command, KeyGesture gesture) : base(command, gesture) { SynchronizePropertiesFromGesture(gesture); } ////// Constructor /// /// /// modifiers /// key public KeyBinding(ICommand command, Key key, ModifierKeys modifiers) : this(command, new KeyGesture(key, modifiers)) { } #endregion Constructor //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- #region Public Methods ////// KeyGesture Override, to ensure type-safety and provide a /// TypeConverter for KeyGesture /// [TypeConverter(typeof(KeyGestureConverter))] [ValueSerializer(typeof(KeyGestureValueSerializer))] public override InputGesture Gesture { get { return base.Gesture as KeyGesture; } set { KeyGesture keyGesture = value as KeyGesture; if (keyGesture != null) { base.Gesture = value; SynchronizePropertiesFromGesture(keyGesture); } else { throw new ArgumentException(SR.Get(SRID.InputBinding_ExpectedInputGesture, typeof(KeyGesture))); } } } ////// Dependency Property for Modifiers /// public static readonly DependencyProperty ModifiersProperty = DependencyProperty.Register("Modifiers", typeof(ModifierKeys), typeof(KeyBinding), new UIPropertyMetadata(ModifierKeys.None, new PropertyChangedCallback(OnModifiersPropertyChanged))); ////// Modifiers /// public ModifierKeys Modifiers { get { return (ModifierKeys)GetValue(ModifiersProperty); } set { SetValue(ModifiersProperty, value); } } private static void OnModifiersPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { KeyBinding keyBinding = (KeyBinding)d; keyBinding.SynchronizeGestureFromProperties(keyBinding.Key, (ModifierKeys)(e.NewValue)); } ////// Dependency Property for Key /// public static readonly DependencyProperty KeyProperty = DependencyProperty.Register("Key", typeof(Key), typeof(KeyBinding), new UIPropertyMetadata(Key.None, new PropertyChangedCallback(OnKeyPropertyChanged))); ////// Key /// public Key Key { get { return (Key)GetValue(KeyProperty); } set { SetValue(KeyProperty, value); } } private static void OnKeyPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { KeyBinding keyBinding = (KeyBinding)d; keyBinding.SynchronizeGestureFromProperties((Key)(e.NewValue), keyBinding.Modifiers); } #endregion Public Methods #region Freezable protected override Freezable CreateInstanceCore() { return new KeyBinding(); } #endregion #region Private Methods ////// Synchronized Properties from Gesture /// private void SynchronizePropertiesFromGesture(KeyGesture keyGesture) { if (!_settingGesture) { _settingGesture = true; try { Key = keyGesture.Key; Modifiers = keyGesture.Modifiers; } finally { _settingGesture = false; } } } ////// Synchronized Gesture from properties /// private void SynchronizeGestureFromProperties(Key key, ModifierKeys modifiers) { if (!_settingGesture) { _settingGesture = true; try { Gesture = new KeyGesture(key, modifiers, /*validateGesture = */ false); } finally { _settingGesture = false; } } } #endregion //------------------------------------------------------ // // Private Fields // //------------------------------------------------------ #region Data private bool _settingGesture = false; #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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