Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Input / InputLanguageSource.cs / 1305600 / InputLanguageSource.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: The source of the input language of the thread. // // History: // 07/30/2003 : yutakas - ported from dotnet tree. // //--------------------------------------------------------------------------- using System.Security; using System.Security.Permissions; using System.Collections; using System.Globalization; using System.Windows.Threading; using System.Windows.Input; using System.Windows.Media; using System.Runtime.InteropServices; using System.Diagnostics; using MS.Win32; using MS.Utility; namespace System.Windows.Input { //----------------------------------------------------- // // InputLanguageSource class // //----------------------------------------------------- ////// This is an internal. The source for input languages. /// internal sealed class InputLanguageSource : IInputLanguageSource, IDisposable { //------------------------------------------------------ // // Constructors // //----------------------------------------------------- ////// This is an internal. The source for input languages. /// internal InputLanguageSource(InputLanguageManager inputlanguagemanager) { _inputlanguagemanager = inputlanguagemanager; // initialize the current input language. _langid = (short)NativeMethods.IntPtrToInt32(SafeNativeMethods.GetKeyboardLayout(0)); // store the dispatcher thread id. This will be used to call GetKeyboardLayout() from // other thread. _dispatcherThreadId = SafeNativeMethods.GetCurrentThreadId(); // Register source _inputlanguagemanager.RegisterInputLanguageSource(this); } //------------------------------------------------------ // // Public Methods // //------------------------------------------------------ #region Public Methods ////// Dispose method. /// public void Dispose() { if (_ipp != null) Uninitialize(); } ////// IIInputLanguageSource.Initialize() /// This creates ITfInputProcessorProfile object and advice sink. /// public void Initialize() { EnsureInputProcessorProfile(); } ////// IIInputLanguageSource.Uninitialize() /// This releases ITfInputProcessorProfile object and unadvice sink. /// public void Uninitialize() { if (_ipp != null) { _ipp.Uninitialize(); _ipp = null; } } #endregion Public Methods //----------------------------------------------------- // // Public Properties // //------------------------------------------------------ ////// returns the current input language of this win32 thread. /// public CultureInfo CurrentInputLanguage { get { return new CultureInfo(_CurrentInputLanguage); } set { _CurrentInputLanguage = (short)value.LCID; } } ////// returns the list of the available input languages of this win32 thread. /// public IEnumerable InputLanguageList { get { EnsureInputProcessorProfile(); if (_ipp == null) { ArrayList al = new ArrayList(); al.Add(CurrentInputLanguage); return al; } return _ipp.InputLanguageList; } } //----------------------------------------------------- // // Internal Methods // //----------------------------------------------------- ////// The input language change call back from the sink. /// internal bool OnLanguageChange(short langid) { if (_langid != langid) { // Call InputLanguageManager if its current source is this. if (InputLanguageManager.Current.Source == this) { return InputLanguageManager.Current.ReportInputLanguageChanging(new CultureInfo(langid), new CultureInfo(_langid)); } } return true; } ////// The input language changed call back from the sink. /// internal void OnLanguageChanged() { short langid = _CurrentInputLanguage; if (_langid != langid) { short prevlangid = _langid; _langid = langid; // Call InputLanguageManager if its current source is this. if (InputLanguageManager.Current.Source == this) { InputLanguageManager.Current.ReportInputLanguageChanged(new CultureInfo(langid), new CultureInfo(prevlangid)); } } } //----------------------------------------------------- // // Private Method // //------------------------------------------------------ ////// This creates ITfInputProcessorProfile object and advice sink. /// ////// Critical - calls unmanaged code (initializing input) /// TreatAsSafe - ok to call any number of times /// [SecurityCritical, SecurityTreatAsSafe] private void EnsureInputProcessorProfile() { // _ipp has been initialzied. Don't do this again. if (_ipp != null) return; // We don't need to initialize _ipp if there is onlyone keyboard layout. // Only one input language is available. if (SafeNativeMethods.GetKeyboardLayoutList(0, null) <= 1) return; Debug.Assert(_ipp == null, "_EnsureInputProcesoorProfile has been called."); InputLanguageProfileNotifySink lpns; lpns = new InputLanguageProfileNotifySink(this); _ipp= new InputProcessorProfiles(); if (!_ipp.Initialize(lpns)) { _ipp = null; } } //----------------------------------------------------- // // Private Properties // //------------------------------------------------------ ////// The current input language in LANGID of this win32 thread. /// private short _CurrentInputLanguage { get { // Return input language of the dispatcher thread. return (short)NativeMethods.IntPtrToInt32(SafeNativeMethods.GetKeyboardLayout(_dispatcherThreadId)); } set { EnsureInputProcessorProfile(); if (_ipp != null) { _ipp.CurrentInputLanguage = value; } } } //------------------------------------------------------ // // Private Fields // //----------------------------------------------------- #region Private Fields // the current input language in LANGID. private short _langid; // The dispatcher thread id. private int _dispatcherThreadId; // the connected input language manager. InputLanguageManager _inputlanguagemanager; // the reference to ITfInputProcessorProfile. InputProcessorProfiles _ipp; #endregion Private Fields } } // 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 source of the input language of the thread. // // History: // 07/30/2003 : yutakas - ported from dotnet tree. // //--------------------------------------------------------------------------- using System.Security; using System.Security.Permissions; using System.Collections; using System.Globalization; using System.Windows.Threading; using System.Windows.Input; using System.Windows.Media; using System.Runtime.InteropServices; using System.Diagnostics; using MS.Win32; using MS.Utility; namespace System.Windows.Input { //----------------------------------------------------- // // InputLanguageSource class // //----------------------------------------------------- ////// This is an internal. The source for input languages. /// internal sealed class InputLanguageSource : IInputLanguageSource, IDisposable { //------------------------------------------------------ // // Constructors // //----------------------------------------------------- ////// This is an internal. The source for input languages. /// internal InputLanguageSource(InputLanguageManager inputlanguagemanager) { _inputlanguagemanager = inputlanguagemanager; // initialize the current input language. _langid = (short)NativeMethods.IntPtrToInt32(SafeNativeMethods.GetKeyboardLayout(0)); // store the dispatcher thread id. This will be used to call GetKeyboardLayout() from // other thread. _dispatcherThreadId = SafeNativeMethods.GetCurrentThreadId(); // Register source _inputlanguagemanager.RegisterInputLanguageSource(this); } //------------------------------------------------------ // // Public Methods // //------------------------------------------------------ #region Public Methods ////// Dispose method. /// public void Dispose() { if (_ipp != null) Uninitialize(); } ////// IIInputLanguageSource.Initialize() /// This creates ITfInputProcessorProfile object and advice sink. /// public void Initialize() { EnsureInputProcessorProfile(); } ////// IIInputLanguageSource.Uninitialize() /// This releases ITfInputProcessorProfile object and unadvice sink. /// public void Uninitialize() { if (_ipp != null) { _ipp.Uninitialize(); _ipp = null; } } #endregion Public Methods //----------------------------------------------------- // // Public Properties // //------------------------------------------------------ ////// returns the current input language of this win32 thread. /// public CultureInfo CurrentInputLanguage { get { return new CultureInfo(_CurrentInputLanguage); } set { _CurrentInputLanguage = (short)value.LCID; } } ////// returns the list of the available input languages of this win32 thread. /// public IEnumerable InputLanguageList { get { EnsureInputProcessorProfile(); if (_ipp == null) { ArrayList al = new ArrayList(); al.Add(CurrentInputLanguage); return al; } return _ipp.InputLanguageList; } } //----------------------------------------------------- // // Internal Methods // //----------------------------------------------------- ////// The input language change call back from the sink. /// internal bool OnLanguageChange(short langid) { if (_langid != langid) { // Call InputLanguageManager if its current source is this. if (InputLanguageManager.Current.Source == this) { return InputLanguageManager.Current.ReportInputLanguageChanging(new CultureInfo(langid), new CultureInfo(_langid)); } } return true; } ////// The input language changed call back from the sink. /// internal void OnLanguageChanged() { short langid = _CurrentInputLanguage; if (_langid != langid) { short prevlangid = _langid; _langid = langid; // Call InputLanguageManager if its current source is this. if (InputLanguageManager.Current.Source == this) { InputLanguageManager.Current.ReportInputLanguageChanged(new CultureInfo(langid), new CultureInfo(prevlangid)); } } } //----------------------------------------------------- // // Private Method // //------------------------------------------------------ ////// This creates ITfInputProcessorProfile object and advice sink. /// ////// Critical - calls unmanaged code (initializing input) /// TreatAsSafe - ok to call any number of times /// [SecurityCritical, SecurityTreatAsSafe] private void EnsureInputProcessorProfile() { // _ipp has been initialzied. Don't do this again. if (_ipp != null) return; // We don't need to initialize _ipp if there is onlyone keyboard layout. // Only one input language is available. if (SafeNativeMethods.GetKeyboardLayoutList(0, null) <= 1) return; Debug.Assert(_ipp == null, "_EnsureInputProcesoorProfile has been called."); InputLanguageProfileNotifySink lpns; lpns = new InputLanguageProfileNotifySink(this); _ipp= new InputProcessorProfiles(); if (!_ipp.Initialize(lpns)) { _ipp = null; } } //----------------------------------------------------- // // Private Properties // //------------------------------------------------------ ////// The current input language in LANGID of this win32 thread. /// private short _CurrentInputLanguage { get { // Return input language of the dispatcher thread. return (short)NativeMethods.IntPtrToInt32(SafeNativeMethods.GetKeyboardLayout(_dispatcherThreadId)); } set { EnsureInputProcessorProfile(); if (_ipp != null) { _ipp.CurrentInputLanguage = value; } } } //------------------------------------------------------ // // Private Fields // //----------------------------------------------------- #region Private Fields // the current input language in LANGID. private short _langid; // The dispatcher thread id. private int _dispatcherThreadId; // the connected input language manager. InputLanguageManager _inputlanguagemanager; // the reference to ITfInputProcessorProfile. InputProcessorProfiles _ipp; #endregion Private Fields } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- TableItemStyle.cs
- SoapFault.cs
- InvalidProgramException.cs
- CodeMethodInvokeExpression.cs
- PostBackTrigger.cs
- LinkedResourceCollection.cs
- XDeferredAxisSource.cs
- ActivityDesignerResources.cs
- UnauthorizedWebPart.cs
- MarshalByRefObject.cs
- ConfigurationException.cs
- WebHeaderCollection.cs
- DataGridViewTextBoxEditingControl.cs
- sitestring.cs
- WebPartVerbsEventArgs.cs
- NavigationProperty.cs
- DataAdapter.cs
- XmlILModule.cs
- EnumValAlphaComparer.cs
- ExceptionHelpers.cs
- SqlNode.cs
- LiteralControl.cs
- RsaSecurityToken.cs
- XmlNullResolver.cs
- ModelPropertyImpl.cs
- FontFamily.cs
- ContentOperations.cs
- Path.cs
- HTMLTextWriter.cs
- AspNetHostingPermission.cs
- GiveFeedbackEvent.cs
- XmlSchemaIdentityConstraint.cs
- TypeLoadException.cs
- SR.cs
- SerializationTrace.cs
- TextAnchor.cs
- AbstractDataSvcMapFileLoader.cs
- XmlBoundElement.cs
- SQLBytesStorage.cs
- WebServiceClientProxyGenerator.cs
- TemplateAction.cs
- MsdtcWrapper.cs
- Facet.cs
- DialogResultConverter.cs
- AppDomainGrammarProxy.cs
- ScrollProviderWrapper.cs
- UserControl.cs
- RelOps.cs
- CroppedBitmap.cs
- MethodInfo.cs
- Span.cs
- Transform.cs
- StructuredTypeInfo.cs
- TypefaceCollection.cs
- MimePart.cs
- TaiwanCalendar.cs
- NotSupportedException.cs
- ParentQuery.cs
- ClipboardProcessor.cs
- CellNormalizer.cs
- ToolStripArrowRenderEventArgs.cs
- SqlRewriteScalarSubqueries.cs
- StorageRoot.cs
- StringCollectionMarkupSerializer.cs
- EntityContainerAssociationSetEnd.cs
- MapPathBasedVirtualPathProvider.cs
- SecurityAccessDeniedException.cs
- NotifyParentPropertyAttribute.cs
- ArgIterator.cs
- VariableValue.cs
- FormsAuthenticationTicket.cs
- HotSpot.cs
- Size.cs
- FilteredAttributeCollection.cs
- TextAutomationPeer.cs
- ExtractedStateEntry.cs
- SmtpReplyReader.cs
- FunctionImportElement.cs
- EnumBuilder.cs
- DynamicDataManager.cs
- ParseNumbers.cs
- LinqToSqlWrapper.cs
- InputEventArgs.cs
- EntityDataSourceQueryBuilder.cs
- CellPartitioner.cs
- SymLanguageType.cs
- FastPropertyAccessor.cs
- UserPersonalizationStateInfo.cs
- AssemblyNameProxy.cs
- CodeParameterDeclarationExpressionCollection.cs
- RefType.cs
- FormsIdentity.cs
- CheckBox.cs
- TraceListeners.cs
- XmlDataSource.cs
- AssignDesigner.xaml.cs
- EventEntry.cs
- ProcessHostConfigUtils.cs
- DataServiceClientException.cs
- DataServiceKeyAttribute.cs