Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / AccessibleTech / longhorn / Automation / Win32Providers / MS / Internal / AutomationProxies / WindowsTitleBar.cs / 1 / WindowsTitleBar.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: Spinner Proxy // // History: // [....] Created // //--------------------------------------------------------------------------- using System; using System.Collections; using System.Text; using System.Runtime.InteropServices; using System.Windows; using System.Windows.Automation; using System.Windows.Automation.Provider; using System.ComponentModel; using MS.Win32; namespace MS.Internal.AutomationProxies { // the title bar contains the system menu, the context help, minimize, maximize and close buttons. // there is a win32 title bar contant for the ime button. There really is no such thing as an ims button // it's bogus. So when this code apears to by using 1 for the item for the system menu it will never // conflict because the ime button does not exist. class WindowsTitleBar: ProxyFragment { // ----------------------------------------------------- // // Constructors // // ----------------------------------------------------- #region Constructors public WindowsTitleBar (IntPtr hwnd, ProxyFragment parent, int item) : base( hwnd, parent, item ) { // Set the strings to return properly the properties. _cControlType = ControlType.TitleBar; _sAutomationId = "TitleBar"; // This string is a non-localizable string // _cControlType = ControlType.TitleBar; _fNonClientAreaElement = true; _fIsContent = false; } #endregion Constructors //------------------------------------------------------ // // Patterns Implementation // //----------------------------------------------------- #region ProxySimple Interface /// Gets the bounding rectangle for this element internal override Rect BoundingRectangle { get { return Misc.GetTitleBarRect(_hwnd); } } /// Returns the Run Time Id. /// returns an array of ints as the concatenation of IDs internal override int [] GetRuntimeId () { return new int [] { 4, unchecked((int)(long)_hwnd), _item }; } //Gets the localized name internal override string LocalizedName { get { return Misc.ProxyGetText(_hwnd); } } #endregion #region ProxyFragment Interface /// Returns the next sibling element in the raw hierarchy. /// Peripheral controls have always negative values. /// Returns null if no next child. internal override ProxySimple GetNextSibling (ProxySimple child) { return ReturnNextTitleBarChild (true, child._item + 1); } /// Returns the previous sibling element in the raw hierarchy. /// Peripheral controls have always negative values. /// Returns null is no previous. internal override ProxySimple GetPreviousSibling (ProxySimple child) { return ReturnNextTitleBarChild (false, child._item - 1); } /// Returns the first child element in the raw hierarchy. internal override ProxySimple GetFirstChild () { return ReturnNextTitleBarChild (true, NativeMethods.INDEX_TITLEBAR_MIC); } /// Returns the last child element in the raw hierarchy. internal override ProxySimple GetLastChild () { return ReturnNextTitleBarChild (true, NativeMethods.INDEX_TITLEBAR_MAC); } /// Returns a Proxy element corresponding to the specified screen coordinates. internal override ProxySimple ElementProviderFromPoint (int x, int y) { int hit = Misc.ProxySendMessageInt(_hwnd, NativeMethods.WM_NCHITTEST, IntPtr.Zero, (IntPtr)NativeMethods.Util.MAKELONG(x, y)); switch (hit) { case NativeMethods.HTCAPTION: return this; case NativeMethods.HTMINBUTTON: return CreateTitleBarChild(NativeMethods.INDEX_TITLEBAR_MINBUTTON); case NativeMethods.HTMAXBUTTON : return CreateTitleBarChild(NativeMethods.INDEX_TITLEBAR_MAXBUTTON); case NativeMethods.HTHELP : return CreateTitleBarChild(NativeMethods.INDEX_TITLEBAR_HELPBUTTON); case NativeMethods.HTCLOSE : return CreateTitleBarChild(NativeMethods.INDEX_TITLEBAR_CLOSEBUTTON); case NativeMethods.HTSYSMENU : { // this gets us the system menu bar... WindowsMenu sysmenu = WindowsMenu.CreateSystemMenu(_hwnd, this); // now drill into the menu item... return sysmenu.CreateMenuItem(0); } } return null; } #endregion //------------------------------------------------------ // // Internal Methods // //------------------------------------------------------ #region Internal Methods internal static bool HasTitleBar (IntPtr hwnd) { return IsTitleBarVisible (hwnd); } internal ProxySimple CreateTitleBarChild (int item) { switch (item) { case _systemMenu: return WindowsMenu.CreateSystemMenu (_hwnd, this); case NativeMethods.INDEX_TITLEBAR_HELPBUTTON : case NativeMethods.INDEX_TITLEBAR_MINBUTTON : case NativeMethods.INDEX_TITLEBAR_MAXBUTTON : case NativeMethods.INDEX_TITLEBAR_CLOSEBUTTON : return new TitleBarButton (_hwnd, this, item); } return null; } #endregion Internal Methods //----------------------------------------------------- // // Internal Fields // //------------------------------------------------------ #region Internal Fields internal const int _systemMenu = 1; #endregion //----------------------------------------------------- // // Private Methods // //----------------------------------------------------- #region Private Methods // Not all the titlebar children exist for every titlebar so this get the next one that exists private ProxySimple ReturnNextTitleBarChild (bool next, int start) { UnsafeNativeMethods.TITLEBARINFO ti; Misc.ProxyGetTitleBarInfo(_hwnd, out ti); ProxySimple el; for (int i = start; i >= NativeMethods.INDEX_TITLEBAR_MIC && i <= NativeMethods.INDEX_TITLEBAR_MAC; i += next ? 1 : -1) { // the system menu is taking the slot in the bogus IME button so it will allway be invisible // therefore make an exception for the system menu. if (!Misc.IsBitSet(ti.rgstate[i], NativeMethods.STATE_SYSTEM_INVISIBLE) || i == _systemMenu) { el = CreateTitleBarChild (i); if (el != null) return el; } } return null; } private static bool IsTitleBarVisible (IntPtr hwnd) { UnsafeNativeMethods.TITLEBARINFO ti; if (Misc.ProxyGetTitleBarInfo(hwnd, out ti)) { return !Misc.IsBitSet(ti.rgstate[0], NativeMethods.STATE_SYSTEM_INVISIBLE); } return false; } #endregion Private Methods //----------------------------------------------------- // // TitleBarButton Private Class // //------------------------------------------------------ #region TitleBarButton class TitleBarButton: ProxySimple, IInvokeProvider { //----------------------------------------------------- // // Constructors // //------------------------------------------------------ #region Constructors public TitleBarButton (IntPtr hwnd, ProxyFragment parent, int item) : base( hwnd, parent, item) { _fNonClientAreaElement = true; _cControlType = ControlType.Button; _fIsContent = false; } #endregion //------------------------------------------------------ // // Patterns Implementation // //----------------------------------------------------- #region ProxySimple Interface /// Returns a pattern interface if supported. internal override object GetPatternProvider (AutomationPattern iid) { if (iid == InvokePattern.Pattern) { return this; } return null; } /// Process all the Logical and Raw Element Properties internal override object GetElementProperty (AutomationProperty idProp) { if (idProp == AutomationElement.AutomationIdProperty) { switch (_item) { case NativeMethods.INDEX_TITLEBAR_HELPBUTTON: return "Help"; // This string is a non-localizable string case NativeMethods.INDEX_TITLEBAR_MINBUTTON: if (Misc.IsBitSet(WindowStyle, NativeMethods.WS_MINIMIZE)) { return "Restore"; // This string is a non-localizable string } else { return "Minimize"; // This string is a non-localizable string } case NativeMethods.INDEX_TITLEBAR_MAXBUTTON: if (Misc.IsBitSet(WindowStyle, NativeMethods.WS_MAXIMIZE)) { return "Restore"; // This string is a non-localizable string } else { return "Maximize"; // This string is a non-localizable string } case NativeMethods.INDEX_TITLEBAR_CLOSEBUTTON: return "Close"; // This string is a non-localizable string default: break; } } else if (idProp == AutomationElement.IsEnabledProperty) { switch (_item) { case NativeMethods.INDEX_TITLEBAR_HELPBUTTON: if (Misc.IsBitSet(WindowStyle, NativeMethods.WS_DISABLED)) { return false; } return Misc.IsBitSet(WindowExStyle, NativeMethods.WS_EX_CONTEXTHELP); case NativeMethods.INDEX_TITLEBAR_MINBUTTON: { int style = WindowStyle; if (Misc.IsBitSet(style, NativeMethods.WS_DISABLED)) { return false; } return Misc.IsBitSet(style, NativeMethods.WS_MINIMIZEBOX); } case NativeMethods.INDEX_TITLEBAR_MAXBUTTON: { int style = WindowStyle; if (Misc.IsBitSet(style, NativeMethods.WS_DISABLED)) { return false; } return Misc.IsBitSet(style, NativeMethods.WS_MAXIMIZEBOX); } } } return base.GetElementProperty (idProp); } // Gets the bounding rectangle for this element internal override Rect BoundingRectangle { get { Rect[] rects = Misc.GetTitlebarRects(_hwnd); return rects[_item]; } } //Gets the localized name internal override string LocalizedName { get { switch (_item) { case NativeMethods.INDEX_TITLEBAR_MINBUTTON: if (Misc.IsBitSet(WindowStyle, NativeMethods.WS_MINIMIZE)) return ST.Get(STID.LocalizedNameWindowsTitleBarButtonRestore); else return ST.Get(STID.LocalizedNameWindowsTitleBarButtonMinimize); case NativeMethods.INDEX_TITLEBAR_HELPBUTTON: return ST.Get(STID.LocalizedNameWindowsTitleBarButtonContextHelp); case NativeMethods.INDEX_TITLEBAR_MAXBUTTON: if (Misc.IsBitSet(WindowStyle, NativeMethods.WS_MAXIMIZE)) return ST.Get(STID.LocalizedNameWindowsTitleBarButtonRestore); else return ST.Get(STID.LocalizedNameWindowsTitleBarButtonMaximize); case NativeMethods.INDEX_TITLEBAR_CLOSEBUTTON: return ST.Get(STID.LocalizedNameWindowsTitleBarButtonClose); default: return ST.Get(STID.LocalizedNameWindowsTitleBarButtonUnknown); } } } #endregion #region Invoke Pattern /// Same effect as a click on one of the title bar button void IInvokeProvider.Invoke () { // Make sure that the control is enabled if (!SafeNativeMethods.IsWindowEnabled(_hwnd)) { throw new ElementNotEnabledException(); } int command; switch (_item) { case NativeMethods.INDEX_TITLEBAR_MINBUTTON : if ((WindowStyle & NativeMethods.WS_MINIMIZE) != 0) command = NativeMethods.SC_RESTORE; else command = NativeMethods.SC_MINIMIZE; break; case NativeMethods.INDEX_TITLEBAR_HELPBUTTON : command = NativeMethods.SC_CONTEXTHELP; break; case NativeMethods.INDEX_TITLEBAR_MAXBUTTON : if ((WindowStyle & NativeMethods.WS_MAXIMIZE) != 0) command = NativeMethods.SC_RESTORE; else command = NativeMethods.SC_MAXIMIZE; break; case NativeMethods.INDEX_TITLEBAR_CLOSEBUTTON : if ((WindowStyle & NativeMethods.WS_MINIMIZE) != 0) { Misc.PostMessage(_hwnd, NativeMethods.WM_SYSCOMMAND, (IntPtr)NativeMethods.SC_RESTORE, IntPtr.Zero); } command = NativeMethods.SC_CLOSE; break; default : return; } // leave menu-mode if we're in it Misc.ClearMenuMode(); // push the right button Misc.PostMessage(_hwnd, NativeMethods.WM_SYSCOMMAND, (IntPtr)command, IntPtr.Zero); } #endregion } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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