Added reparenting helper classes to help apps to grab the windows

of other applications.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14524 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/x11/reparent.h

@@ -0,0 +1,71 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        reparent.h
+// Purpose:     Reparenting classes
+// Author:      Julian Smart
+// Modified by:
+// Created:     2002-03-09
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_REPARENT_H_
+#define _WX_REPARENT_H_
+
+#ifdef __GNUG__
+#pragma interface "reparent.h"
+#endif
+
+#include "wx/window.h"
+
+/*
+ * This class helps to reparent a specific window
+ */
+
+class wxAdoptedWindow;
+class wxReparenter: public wxObject
+{
+public:
+    wxReparenter() {}
+
+    // We assume that toReparent has had its X window set
+    // appropriately. toReparent is typically a wxAdoptedWindow.
+    bool Reparent(wxWindow* newParent, wxAdoptedWindow* toReparent);
+
+    // Wait for an appropriate window to be created.
+    // If exactMatch is FALSE, a substring match is OK.
+    // If windowName is empty, then wait for the next overrideRedirect window.
+    bool WaitAndReparent(wxWindow* newParent, wxAdoptedWindow* toReparent,
+                         const wxString& windowName = wxEmptyString,
+                         bool exactMatch = TRUE);
+
+protected:
+
+    bool ProcessXEvent(WXEvent* event);
+    WXWindow FindAClientWindow(WXWindow window, const wxString& name);
+    
+    static bool sm_done;
+    static wxAdoptedWindow* sm_toReparent;
+    static wxWindow* sm_newParent;
+    static wxString  sm_name;
+    static bool      sm_exactMatch;
+};
+
+/*
+ * A window that adopts its handle from the native
+ * toolkit. It has no parent until reparented.
+ */
+
+class wxAdoptedWindow: public wxWindow
+{
+  public:
+    wxAdoptedWindow();
+    wxAdoptedWindow(WXWindow window);
+    ~wxAdoptedWindow();
+
+    void SetHandle(WXWindow window) { m_mainWidget = window; }
+    WXWindow GetHandle() const { return GetXWindow(); }
+};
+
+#endif
+// _WX_REPARENT_H_