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
- UInt64Storage.cs
- TextTreePropertyUndoUnit.cs
- IdentifierService.cs
- TextRangeSerialization.cs
- RawStylusSystemGestureInputReport.cs
- MultilineStringConverter.cs
- Oci.cs
- PageAsyncTask.cs
- SqlBulkCopyColumnMappingCollection.cs
- DataGridViewCheckBoxCell.cs
- UnmanagedHandle.cs
- MessagePropertyVariants.cs
- TextSelectionProcessor.cs
- CodeRegionDirective.cs
- xmlglyphRunInfo.cs
- ActiveXHelper.cs
- Margins.cs
- CodeAttachEventStatement.cs
- XPathExpr.cs
- UTF32Encoding.cs
- SimpleMailWebEventProvider.cs
- InputScopeAttribute.cs
- EntityModelSchemaGenerator.cs
- DataGridClipboardHelper.cs
- ContextMenuStrip.cs
- RequestCacheValidator.cs
- InvalidEnumArgumentException.cs
- HtmlTextArea.cs
- PolyBezierSegmentFigureLogic.cs
- XmlSignatureManifest.cs
- AttachedPropertyBrowsableForTypeAttribute.cs
- NumericUpDown.cs
- DocumentPageViewAutomationPeer.cs
- Renderer.cs
- DelegatingConfigHost.cs
- Empty.cs
- FrameworkRichTextComposition.cs
- KeyedCollection.cs
- TextElementEditingBehaviorAttribute.cs
- AccessDataSource.cs
- DataGridViewSortCompareEventArgs.cs
- StrokeNodeOperations2.cs
- MarshalDirectiveException.cs
- Style.cs
- PassportAuthentication.cs
- TemplateBaseAction.cs
- IfAction.cs
- DataServiceClientException.cs
- PtsPage.cs
- FixedPage.cs
- ProxyAttribute.cs
- NavigationProgressEventArgs.cs
- WindowsProgressbar.cs
- TaskHelper.cs
- HtmlEncodedRawTextWriter.cs
- SymbolPair.cs
- WebBrowserUriTypeConverter.cs
- HwndSourceKeyboardInputSite.cs
- UInt16Storage.cs
- unsafenativemethodstextservices.cs
- ByteStream.cs
- AsyncOperationManager.cs
- MediaSystem.cs
- WsdlWriter.cs
- OracleTransaction.cs
- DataPointer.cs
- UnauthorizedAccessException.cs
- SapiRecoContext.cs
- ItemsControlAutomationPeer.cs
- Timeline.cs
- ProfileInfo.cs
- DataBindingCollection.cs
- ObjectIDGenerator.cs
- IssuanceLicense.cs
- RelatedCurrencyManager.cs
- DispatcherObject.cs
- TextBoxBase.cs
- DataStorage.cs
- CheckPair.cs
- ExtendedPropertyInfo.cs
- Char.cs
- FixedElement.cs
- ToolStripItemGlyph.cs
- HttpContextServiceHost.cs
- LazyTextWriterCreator.cs
- LocalizableResourceBuilder.cs
- CompressedStack.cs
- BitStream.cs
- MemberInfoSerializationHolder.cs
- SoapRpcServiceAttribute.cs
- CategoryNameCollection.cs
- DecimalAnimationUsingKeyFrames.cs
- RenameRuleObjectDialog.cs
- WebPartsPersonalization.cs
- DataGridLinkButton.cs
- _CommandStream.cs
- XmlSchemaInfo.cs
- BitmapEffectInputData.cs
- MailWebEventProvider.cs
- ViewKeyConstraint.cs