Added implementation of MDI using top level windows

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@24546 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/cocoa/mdi.h

@@ -0,0 +1,163 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/cocoa/mdi.h
+// Purpose:     wxMDIParentFrame, wxMDIChildFrame, wxMDIClientWindow
+// Author:      David Elliott
+// Modified by:
+// Created:     2003/09/08
+// RCS-ID:      $Id$
+// Copyright:   (c) 2003 David Elliott
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef __WX_COCOA_MDI_H__
+#define __WX_COCOA_MDI_H__
+
+#include "wx/frame.h"
+
+DECLARE_WXCOCOA_OBJC_CLASS(wxMDIParentFrameObserver);
+
+class WXDLLEXPORT wxMDIChildFrame;
+class WXDLLEXPORT wxMDIClientWindow;
+
+WX_DECLARE_LIST(wxMDIChildFrame, wxCocoaMDIChildFrameList);
+
+// ========================================================================
+// wxMDIParentFrame
+// ========================================================================
+class WXDLLEXPORT wxMDIParentFrame: public wxFrame
+{
+    friend class WXDLLEXPORT wxMDIChildFrame;
+    DECLARE_EVENT_TABLE()
+    DECLARE_DYNAMIC_CLASS(wxMDIParentFrame)
+// ------------------------------------------------------------------------
+// initialization
+// ------------------------------------------------------------------------
+public:
+    wxMDIParentFrame() { Init(); }
+    wxMDIParentFrame(wxWindow *parent,
+            wxWindowID winid,
+            const wxString& title,
+            const wxPoint& pos = wxDefaultPosition,
+            const wxSize& size = wxDefaultSize,
+            long style = wxDEFAULT_FRAME_STYLE,
+            const wxString& name = wxFrameNameStr)
+    {
+        Init();
+        Create(parent, winid, title, pos, size, style, name);
+    }
+
+    virtual ~wxMDIParentFrame();
+
+    bool Create(wxWindow *parent,
+                wxWindowID winid,
+                const wxString& title,
+                const wxPoint& pos = wxDefaultPosition,
+                const wxSize& size = wxDefaultSize,
+                long style = wxDEFAULT_FRAME_STYLE,
+                const wxString& name = wxFrameNameStr);
+protected:
+    void Init();
+// ------------------------------------------------------------------------
+// Cocoa specifics
+// ------------------------------------------------------------------------
+public:
+    void WindowDidBecomeMain(NSNotification *notification);
+protected:
+    virtual void CocoaDelegate_windowDidBecomeKey(void);
+    virtual void CocoaDelegate_windowDidResignKey(void);
+    virtual bool Cocoa_canBecomeMainWindow(bool &canBecome);
+    virtual wxMenuBar* GetAppMenuBar(wxCocoaNSWindow *win);
+
+    void AddMDIChild(wxMDIChildFrame *child);
+    void RemoveMDIChild(wxMDIChildFrame *child);
+
+    wxMDIParentFrameObserver *m_observer;
+// ------------------------------------------------------------------------
+// Implementation
+// ------------------------------------------------------------------------
+public:
+    wxMDIChildFrame *GetActiveChild() const;
+    void SetActiveChild(wxMDIChildFrame *child);
+
+    wxMDIClientWindow *GetClientWindow() const;
+    virtual wxMDIClientWindow *OnCreateClient();
+
+    virtual void Cascade() {}
+    virtual void Tile() {}
+    virtual void ArrangeIcons() {}
+    virtual void ActivateNext();
+    virtual void ActivatePrevious();
+protected:
+    wxMDIClientWindow *m_clientWindow;
+    wxMDIChildFrame *m_currentChild;
+    wxCocoaMDIChildFrameList m_mdiChildren;
+};
+
+// ========================================================================
+// wxMDIChildFrame
+// ========================================================================
+class WXDLLEXPORT wxMDIChildFrame: public wxFrame
+{
+    friend class WXDLLEXPORT wxMDIParentFrame;
+    DECLARE_EVENT_TABLE()
+    DECLARE_DYNAMIC_CLASS(wxMDIChildFrame)
+// ------------------------------------------------------------------------
+// initialization
+// ------------------------------------------------------------------------
+public:
+    wxMDIChildFrame() { Init(); }
+    wxMDIChildFrame(wxMDIParentFrame *parent,
+            wxWindowID winid,
+            const wxString& title,
+            const wxPoint& pos = wxDefaultPosition,
+            const wxSize& size = wxDefaultSize,
+            long style = wxDEFAULT_FRAME_STYLE,
+            const wxString& name = wxFrameNameStr)
+    {
+        Init();
+        Create(parent, winid, title, pos, size, style, name);
+    }
+
+    virtual ~wxMDIChildFrame();
+
+    bool Create(wxMDIParentFrame *parent,
+                wxWindowID winid,
+                const wxString& title,
+                const wxPoint& pos = wxDefaultPosition,
+                const wxSize& size = wxDefaultSize,
+                long style = wxDEFAULT_FRAME_STYLE,
+                const wxString& name = wxFrameNameStr);
+protected:
+    void Init();
+// ------------------------------------------------------------------------
+// Cocoa specifics
+// ------------------------------------------------------------------------
+public:
+protected:
+    virtual void CocoaDelegate_windowDidBecomeKey(void);
+    virtual void CocoaDelegate_windowDidBecomeMain(void);
+    virtual void CocoaDelegate_windowDidResignKey(void);
+// ------------------------------------------------------------------------
+// Implementation
+// ------------------------------------------------------------------------
+public:
+    virtual void Activate();
+    virtual bool Destroy();
+protected:
+    wxMDIParentFrame *m_mdiParent;
+};
+
+// ========================================================================
+// wxMDIClientWindow
+// ========================================================================
+class wxMDIClientWindow: public wxWindow
+{
+    DECLARE_DYNAMIC_CLASS(wxMDIClientWindow)
+public:
+    wxMDIClientWindow();
+    wxMDIClientWindow( wxMDIParentFrame *parent, long style = 0 );
+    ~wxMDIClientWindow();
+    virtual bool CreateClient( wxMDIParentFrame *parent, long style = 0 );
+};
+
+#endif // __WX_COCOA_MDI_H__