X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/81d66cf39f810503baed79213bc3122fda0ccc7b..c16e5a9271ab576a76c8537b67e0f5e25f90bc67:/src/msw/frame.cpp?ds=sidebyside

diff --git a/src/msw/frame.cpp b/src/msw/frame.cpp
index a616ad14a1..a96d6d99b6 100644
--- a/src/msw/frame.cpp
+++ b/src/msw/frame.cpp
@@ -17,19 +17,19 @@
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
 #ifndef WX_PRECOMP
-#include "wx/setup.h"
-#include "wx/frame.h"
-#include "wx/menu.h"
-#include "wx/app.h"
-#include "wx/utils.h"
-#include "wx/dialog.h"
-#include "wx/settings.h"
-#include "wx/dcclient.h"
-#endif
+    #include "wx/setup.h"
+    #include "wx/frame.h"
+    #include "wx/menu.h"
+    #include "wx/app.h"
+    #include "wx/utils.h"
+    #include "wx/dialog.h"
+    #include "wx/settings.h"
+    #include "wx/dcclient.h"
+#endif // WX_PRECOMP
 
 #include "wx/msw/private.h"
 #include "wx/statusbr.h"
@@ -40,13 +40,14 @@
 #undef LoadAccelerators
 #endif
 
-#if USE_NATIVE_STATUSBAR
-#include <wx/msw/statbr95.h>
+#if wxUSE_NATIVE_STATUSBAR
+    #include <wx/msw/statbr95.h>
 #endif
 
 extern wxList wxModelessWindows;
-extern wxList wxPendingDelete;
+extern wxList WXDLLEXPORT wxPendingDelete;
 extern char wxFrameClassName[];
+extern wxMenu *wxCurrentPopupMenu;
 
 #if !USE_SHARED_LIBRARY
 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
@@ -61,13 +62,13 @@ END_EVENT_TABLE()
 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
 #endif
 
-#if USE_NATIVE_STATUSBAR
-bool wxFrame::m_useNativeStatusBar = TRUE;
+#if wxUSE_NATIVE_STATUSBAR
+    bool wxFrame::m_useNativeStatusBar = TRUE;
 #else
-bool wxFrame::m_useNativeStatusBar = FALSE;
+    bool wxFrame::m_useNativeStatusBar = FALSE;
 #endif
 
-wxFrame::wxFrame(void)
+wxFrame::wxFrame()
 {
   m_frameToolBar = NULL ;
   m_frameMenuBar = NULL;
@@ -85,6 +86,10 @@ bool wxFrame::Create(wxWindow *parent,
            long style,
            const wxString& name)
 {
+#if wxUSE_TOOLTIPS
+    m_hwndToolTip = 0;
+#endif
+
   if (!parent)
     wxTopLevelWindows.Append(this);
 
@@ -111,14 +116,17 @@ bool wxFrame::Create(wxWindow *parent,
   int height = size.y;
 
   m_iconized = FALSE;
-  MSWCreate(m_windowId, (wxWindow *)parent, wxFrameClassName, this, (char *)(const char *)title,
-                   x, y, width, height, style);
+
+  // we pass NULL as parent to MSWCreate because frames with parents behave
+  // very strangely under Win95 shell
+  MSWCreate(m_windowId, NULL, wxFrameClassName, this, title,
+            x, y, width, height, style);
 
   wxModelessWindows.Append(this);
   return TRUE;
 }
 
-wxFrame::~wxFrame(void)
+wxFrame::~wxFrame()
 {
   m_isBeingDeleted = TRUE;
   wxTopLevelWindows.DeleteObject(this);
@@ -150,7 +158,7 @@ wxFrame::~wxFrame(void)
     ::BringWindowToTop((HWND) GetParent()->GetHWND());
 }
 
-WXHMENU wxFrame::GetWinMenu(void) const
+WXHMENU wxFrame::GetWinMenu() const
 {
   return m_hMenu;
 }
@@ -159,7 +167,7 @@ WXHMENU wxFrame::GetWinMenu(void) const
 void wxFrame::GetClientSize(int *x, int *y) const
 {
   RECT rect;
-  GetClientRect((HWND) GetHWND(), &rect);
+  ::GetClientRect((HWND) GetHWND(), &rect);
 
   if ( GetStatusBar() )
   {
@@ -178,12 +186,12 @@ void wxFrame::GetClientSize(int *x, int *y) const
 
 // Set the client size (i.e. leave the calculation of borders etc.
 // to wxWindows)
-void wxFrame::SetClientSize(int width, int height)
+void wxFrame::DoSetClientSize(int width, int height)
 {
   HWND hWnd = (HWND) GetHWND();
 
   RECT rect;
-  GetClientRect(hWnd, &rect);
+  ::GetClientRect(hWnd, &rect);
 
   RECT rect2;
   GetWindowRect(hWnd, &rect2);
@@ -236,7 +244,7 @@ void wxFrame::GetPosition(int *x, int *y) const
   *y = point.y;
 }
 
-void wxFrame::SetSize(int x, int y, int width, int height, int sizeFlags)
+void wxFrame::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 {
   int currentX, currentY;
   int x1 = x;
@@ -321,18 +329,24 @@ void wxFrame::Maximize(bool maximize)
   m_iconized = FALSE;
 }
 
-bool wxFrame::IsIconized(void) const
+bool wxFrame::IsIconized() const
 {
   ((wxFrame *)this)->m_iconized = (::IsIconic((HWND) GetHWND()) != 0);
   return m_iconized;
 }
 
+// Is it maximized?
+bool wxFrame::IsMaximized() const
+{
+    return (::IsZoomed((HWND) GetHWND()) != 0) ;
+}
+
 void wxFrame::SetTitle(const wxString& title)
 {
   SetWindowText((HWND) GetHWND(), (const char *)title);
 }
 
-wxString wxFrame::GetTitle(void) const
+wxString wxFrame::GetTitle() const
 {
   GetWindowText((HWND) GetHWND(), wxBuffer, 1000);
   return wxString(wxBuffer);
@@ -353,7 +367,7 @@ wxStatusBar *wxFrame::OnCreateStatusBar(int number, long style, wxWindowID id,
 {
     wxStatusBar *statusBar = NULL;
 
-#if USE_NATIVE_STATUSBAR
+#if wxUSE_NATIVE_STATUSBAR
     if (UsesNativeStatusBar())
     {
         statusBar = new wxStatusBar95(this, id, style);
@@ -366,7 +380,7 @@ wxStatusBar *wxFrame::OnCreateStatusBar(int number, long style, wxWindowID id,
 
         // Set the height according to the font and the border size
         wxClientDC dc(statusBar);
-        dc.SetFont(* statusBar->GetFont());
+        dc.SetFont(statusBar->GetFont());
 
         long x, y;
         dc.GetTextExtent("X", &x, &y);
@@ -384,7 +398,7 @@ wxStatusBar* wxFrame::CreateStatusBar(int number, long style, wxWindowID id,
     const wxString& name)
 {
   // VZ: calling CreateStatusBar twice is an error - why anyone would do it?
-  wxCHECK_MSG( m_frameStatusBar == NULL, FALSE, 
+  wxCHECK_MSG( m_frameStatusBar == NULL, FALSE,
                "recreating status bar in wxFrame" );
 
   m_frameStatusBar = OnCreateStatusBar(number, style, id,
@@ -413,11 +427,11 @@ void wxFrame::SetStatusWidths(int n, const int widths_field[])
   PositionStatusBar();
 }
 
-void wxFrame::PositionStatusBar(void)
+void wxFrame::PositionStatusBar()
 {
   // native status bar positions itself
   if (m_frameStatusBar
-#if USE_NATIVE_STATUSBAR
+#if wxUSE_NATIVE_STATUSBAR
    && !m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95))
 #endif
     )
@@ -435,50 +449,32 @@ void wxFrame::PositionStatusBar(void)
 
 void wxFrame::SetMenuBar(wxMenuBar *menu_bar)
 {
-  if (!menu_bar)
-  {
-    m_frameMenuBar = NULL;
-    return;
-  }
-  
-  if (menu_bar->m_menuBarFrame)
-   return;
+    if (!menu_bar)
+    {
+        m_frameMenuBar = NULL;
+        return;
+    }
 
-  int i;
-  HMENU menu = CreateMenu();
+    wxCHECK_RET( !menu_bar->GetFrame(), "this menubar is already attached" );
 
-  for (i = 0; i < menu_bar->m_menuCount; i ++)
-  {
-    HMENU popup = (HMENU)menu_bar->m_menus[i]->m_hMenu;
-    //
-    // After looking Bounds Checker result, it seems that all
-    // menus must be individually destroyed. So, don't reset m_hMenu,
-    // to  allow ~wxMenu to do the job.
-    //
-    menu_bar->m_menus[i]->m_savehMenu = (WXHMENU) popup;
-    // Uncommenting for the moment... JACS
-    menu_bar->m_menus[i]->m_hMenu = 0;
-    AppendMenu(menu, MF_POPUP | MF_STRING, (UINT)popup, menu_bar->m_titles[i]);
-  }
+    if (m_frameMenuBar)
+        delete m_frameMenuBar;
 
-  menu_bar->m_hMenu = (WXHMENU)menu;
-  if (m_frameMenuBar)
-    delete m_frameMenuBar;
+    m_hMenu = menu_bar->Create();
 
-  this->m_hMenu = (WXHMENU) menu;
+    if ( !m_hMenu )
+        return;
 
-  DWORD err = 0;
-  if (!SetMenu((HWND) GetHWND(), menu))
-  {
-#ifdef __WIN32__
-    err = GetLastError();
-#endif
-  }
+    if ( !::SetMenu((HWND)GetHWND(), (HMENU)m_hMenu) )
+    {
+        wxLogLastError("SetMenu");
+    }
 
-  m_frameMenuBar = menu_bar;
-  menu_bar->m_menuBarFrame = this;
+    m_frameMenuBar = menu_bar;
+    menu_bar->Attach(this);
 }
 
+#if 0
 bool wxFrame::LoadAccelerators(const wxString& table)
 {
   m_acceleratorTable = (WXHANDLE)
@@ -498,11 +494,12 @@ bool wxFrame::LoadAccelerators(const wxString& table)
 
   return (m_acceleratorTable != (WXHANDLE) NULL);
 }
+#endif
 
-void wxFrame::Fit(void)
+void wxFrame::Fit()
 {
   // Work out max. size
-  wxNode *node = GetChildren()->First();
+  wxNode *node = GetChildren().First();
   int max_width = 0;
   int max_height = 0;
   while (node)
@@ -538,7 +535,7 @@ void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
     {
         wxSysColourChangedEvent event2;
         event2.SetEventObject( m_frameStatusBar );
-        m_frameStatusBar->ProcessEvent(event2);
+        m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
     }
 
     // Propagate the event to the non-top-level children
@@ -584,7 +581,7 @@ void wxFrame::MSWCreate(int id, wxWindow *parent, const char *wclass, wxWindow *
 
   // Keep this in wxFrame because it saves recoding this function
   // in wxTinyFrame
-#if USE_ITSY_BITSY
+#if wxUSE_ITSY_BITSY
   if (style & wxTINY_CAPTION_VERT)
     msflags |= IBS_VERTCAPTION;
   if (style & wxTINY_CAPTION_HORIZ)
@@ -600,6 +597,11 @@ void wxFrame::MSWCreate(int id, wxWindow *parent, const char *wclass, wxWindow *
 
   WXDWORD extendedStyle = MakeExtendedStyle(style);
 
+#if !defined(__WIN16__) && !defined(__SC__)
+  if (style & wxFRAME_TOOL_WINDOW)
+    extendedStyle |= WS_EX_TOOLWINDOW;
+#endif
+
   if (style & wxSTAY_ON_TOP)
     extendedStyle |= WS_EX_TOPMOST;
 
@@ -612,34 +614,31 @@ void wxFrame::MSWCreate(int id, wxWindow *parent, const char *wclass, wxWindow *
     ::PostMessage((HWND) GetHWND(), WM_SIZE, SIZE_RESTORED, MAKELPARAM(width, height));
 }
 
-bool wxFrame::MSWOnPaint(void)
+bool wxFrame::MSWOnPaint()
 {
-#if WXDEBUG > 1
-  wxDebugMsg("wxFrameWnd::OnPaint %d\n", handle);
-#endif
   RECT rect;
   if (GetUpdateRect((HWND) GetHWND(), &rect, FALSE))
   {
     if (m_iconized)
     {
       HICON the_icon;
-    if (m_icon.Ok())
-      the_icon = (HICON) m_icon.GetHICON();
-      if (the_icon == 0)
+      if (m_icon.Ok())
+        the_icon = (HICON) m_icon.GetHICON();
+      else
         the_icon = (HICON) m_defaultIcon;
 
       PAINTSTRUCT ps;
       // Hold a pointer to the dc so long as the OnPaint() message
       // is being processed
       HDC cdc = BeginPaint((HWND) GetHWND(), &ps);
-      
+
       // Erase background before painting or we get white background
-      this->MSWDefWindowProc(WM_ICONERASEBKGND,(WORD)ps.hdc,0L);
-      
+      this->MSWDefWindowProc(WM_ICONERASEBKGND,(WORD)(LONG) ps.hdc,0L);
+
       if (the_icon)
       {
         RECT rect;
-        GetClientRect((HWND) GetHWND(), &rect);
+        ::GetClientRect((HWND) GetHWND(), &rect);
         int icon_width = 32;
         int icon_height = 32;
         int icon_x = (int)((rect.right - icon_width)/2);
@@ -661,7 +660,7 @@ bool wxFrame::MSWOnPaint(void)
   return 1;
 }
 
-WXHICON wxFrame::MSWOnQueryDragIcon(void)
+WXHICON wxFrame::MSWOnQueryDragIcon()
 {
   if (m_icon.Ok() && (m_icon.GetHICON() != 0))
     return m_icon.GetHICON();
@@ -671,24 +670,36 @@ WXHICON wxFrame::MSWOnQueryDragIcon(void)
 
 void wxFrame::MSWOnSize(int x, int y, WXUINT id)
 {
-#if WXDEBUG > 1
-  wxDebugMsg("wxFrameWnd::OnSize %d\n", m_hWnd);
-#endif
   switch (id)
   {
-    case SIZEFULLSCREEN:
     case SIZENORMAL:
+      // only do it it if we were iconized before, otherwise resizing the
+      // parent frame has a curious side effect of bringing it under it's
+      // children
+      if ( !m_iconized )
+        break;
+
+      // restore all child frames too
+      IconizeChildFrames(FALSE);
+
+      // fall through
+
+    case SIZEFULLSCREEN:
       m_iconized = FALSE;
-    break;
+      break;
+
     case SIZEICONIC:
+      // iconize all child frames too
+      IconizeChildFrames(TRUE);
+
       m_iconized = TRUE;
-    break;
+      break;
   }
 
  if (!m_iconized)
  {
   // forward WM_SIZE to status bar control
-#if USE_NATIVE_STATUSBAR
+#if wxUSE_NATIVE_STATUSBAR
   if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
   {
     wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId());
@@ -708,19 +719,13 @@ void wxFrame::MSWOnSize(int x, int y, WXUINT id)
  }
 }
 
-bool wxFrame::MSWOnClose(void)
+bool wxFrame::MSWOnClose()
 {
-#if WXDEBUG > 1
-  wxDebugMsg("wxFrameWnd::OnClose %d\n", handle);
-#endif
     return Close();
 }
 
 bool wxFrame::MSWOnCommand(WXWORD id, WXWORD cmd, WXHWND control)
 {
-#if WXDEBUG > 1
-  wxDebugMsg("wxFrameWnd::OnCommand %d\n", handle);
-#endif
   if (cmd == 0 || cmd == 1 ) // Can be either a menu command or an accelerator.
   {
     // In case it's e.g. a toolbar.
@@ -728,6 +733,14 @@ bool wxFrame::MSWOnCommand(WXWORD id, WXWORD cmd, WXHWND control)
     if (win)
       return win->MSWCommand(cmd, id);
 
+    if (wxCurrentPopupMenu)
+    {
+        wxMenu *popupMenu = wxCurrentPopupMenu;
+        wxCurrentPopupMenu = NULL;
+        if (popupMenu->MSWCommand(cmd, id))
+            return TRUE;
+    }
+
     if (GetMenuBar() && GetMenuBar()->FindItemForId(id))
     {
       ProcessCommand(id);
@@ -737,7 +750,7 @@ bool wxFrame::MSWOnCommand(WXWORD id, WXWORD cmd, WXHWND control)
       return FALSE;
   }
   else
-    return FALSE;
+    return wxWindow::MSWOnCommand(id, cmd, control);
 }
 
 void wxFrame::MSWOnMenuHighlight(WXWORD nItem, WXWORD nFlags, WXHMENU hSysMenu)
@@ -748,7 +761,7 @@ void wxFrame::MSWOnMenuHighlight(WXWORD nItem, WXWORD nFlags, WXHMENU hSysMenu)
     event.SetEventObject( this );
     GetEventHandler()->ProcessEvent(event);
   }
-  else if (nFlags != MF_SEPARATOR)
+  else if ((nFlags != MF_SEPARATOR) && (nItem != 0) && (nItem != 65535))
   {
     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, nItem);
     event.SetEventObject( this );
@@ -758,10 +771,15 @@ void wxFrame::MSWOnMenuHighlight(WXWORD nItem, WXWORD nFlags, WXHMENU hSysMenu)
 
 bool wxFrame::MSWProcessMessage(WXMSG* pMsg)
 {
-  if (m_acceleratorTable != 0 &&
-          ::TranslateAccelerator((HWND) GetHWND(), (HACCEL) m_acceleratorTable, (MSG *)pMsg))
+  return FALSE;
+}
+
+bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
+{
+  if (m_acceleratorTable.Ok() &&
+          ::TranslateAccelerator((HWND) GetHWND(), (HACCEL) m_acceleratorTable.GetHACCEL(), (MSG *)pMsg))
     return TRUE;
-  
+
   return FALSE;
 }
 
@@ -770,7 +788,7 @@ bool wxFrame::MSWProcessMessage(WXMSG* pMsg)
 void wxFrame::OnSize(wxSizeEvent& event)
 {
   // if we're using constraints - do use them
-  #if USE_CONSTRAINTS
+  #if wxUSE_CONSTRAINTS
     if ( GetAutoLayout() ) {
       Layout();
       return;
@@ -779,11 +797,11 @@ void wxFrame::OnSize(wxSizeEvent& event)
 
   // do we have _exactly_ one child?
   wxWindow *child = NULL;
-  for ( wxNode *node = GetChildren()->First(); node; node = node->Next() )
+  for ( wxNode *node = GetChildren().First(); node; node = node->Next() )
   {
     wxWindow *win = (wxWindow *)node->Data();
     if ( !win->IsKindOf(CLASSINFO(wxFrame))  &&
-         !win->IsKindOf(CLASSINFO(wxDialog)) && 
+         !win->IsKindOf(CLASSINFO(wxDialog)) &&
          (win != GetStatusBar()) &&
          (win != GetToolBar()) )
     {
@@ -809,41 +827,27 @@ void wxFrame::OnSize(wxSizeEvent& event)
 // subwindow found.
 void wxFrame::OnActivate(wxActivateEvent& event)
 {
-  for(wxNode *node = GetChildren()->First(); node; node = node->Next())
+  for(wxNode *node = GetChildren().First(); node; node = node->Next())
   {
     // Find a child that's a subwindow, but not a dialog box.
     wxWindow *child = (wxWindow *)node->Data();
     if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
          !child->IsKindOf(CLASSINFO(wxDialog)))
     {
-#if WXDEBUG > 1
-      wxDebugMsg("wxFrame::OnActivate: about to set the child's focus.\n");
-#endif
       child->SetFocus();
       return;
     }
   }
 }
 
-// The default implementation for the close window event - calls
-// OnClose for backward compatibility.
-
+// The default implementation for the close window event.
 void wxFrame::OnCloseWindow(wxCloseEvent& event)
 {
-    // Compatibility
-    if ( GetEventHandler()->OnClose() || event.GetForce())
-    {
-        this->Destroy();
-    }
-}
-
-bool wxFrame::OnClose(void)
-{
-    return TRUE;
+    this->Destroy();
 }
 
 // Destroy the window (delayed, if a managed window)
-bool wxFrame::Destroy(void)
+bool wxFrame::Destroy()
 {
   if (!wxPendingDelete.Member(this))
     wxPendingDelete.Append(this);
@@ -855,22 +859,22 @@ void wxFrame::OnMenuHighlight(wxMenuEvent& event)
 {
   if (GetStatusBar())
   {
-    if (event.GetMenuId() == -1)
-      SetStatusText("");
-    else
+    int menuId = event.GetMenuId();
+    if ( menuId != -1 )
     {
       wxMenuBar *menuBar = GetMenuBar();
-      if (menuBar)
+      if (menuBar && menuBar->FindItem(menuId))
       {
-        wxString helpString(menuBar->GetHelpString(event.GetMenuId()));
-        if (helpString != "")
-          SetStatusText(helpString);
+        // set status text even if the string is empty - this will at
+        // least remove the string from the item which was previously
+        // selected
+        SetStatusText(menuBar->GetHelpString(menuId));
       }
     }
   }
 }
 
-wxMenuBar *wxFrame::GetMenuBar(void) const
+wxMenuBar *wxFrame::GetMenuBar() const
 {
   return m_frameMenuBar;
 }
@@ -899,7 +903,7 @@ void wxFrame::Command(int id)
 
 void wxFrame::ProcessCommand(int id)
 {
-  wxCommandEvent commandEvent(wxEVENT_TYPE_MENU_COMMAND, id);
+  wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
   commandEvent.SetInt( id );
   commandEvent.SetEventObject( this );
 
@@ -912,7 +916,16 @@ void wxFrame::ProcessCommand(int id)
   {
     bar->Check(id,!bar->Checked(id)) ;
   }
-  GetEventHandler()->ProcessEvent(commandEvent);
+
+/*
+  // Process events starting with the window with the focus, if any.
+  wxWindow* focusWin = wxFindFocusDescendant(this);
+
+  wxEvtHandler* evtHandler = focusWin ? focusWin->GetEventHandler() : GetEventHandler();
+*/
+
+  wxEvtHandler* evtHandler = GetEventHandler();
+  evtHandler->ProcessEvent(commandEvent);
 }
 
 // Checks if there is a toolbar, and returns the first free client position
@@ -936,6 +949,30 @@ wxPoint wxFrame::GetClientAreaOrigin() const
     return pt;
 }
 
+void wxFrame::ScreenToClient(int *x, int *y) const
+{
+    wxWindow::ScreenToClient(x, y);
+
+    // We may be faking the client origin.
+    // So a window that's really at (0, 30) may appear
+    // (to wxWin apps) to be at (0, 0).
+    wxPoint pt(GetClientAreaOrigin());
+    *x -= pt.x;
+    *y -= pt.y;
+}
+
+void wxFrame::ClientToScreen(int *x, int *y) const
+{
+    // We may be faking the client origin.
+    // So a window that's really at (0, 30) may appear
+    // (to wxWin apps) to be at (0, 0).
+    wxPoint pt1(GetClientAreaOrigin());
+    *x += pt1.x;
+    *y += pt1.y;
+
+    wxWindow::ClientToScreen(x, y);
+}
+
 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 {
     wxCHECK_MSG( m_frameToolBar == NULL, FALSE,
@@ -959,10 +996,8 @@ wxToolBar* wxFrame::OnCreateToolBar(long style, wxWindowID id, const wxString& n
     return new wxToolBar(this, id, wxDefaultPosition, wxDefaultSize, style, name);
 }
 
-void wxFrame::PositionToolBar(void)
+void wxFrame::PositionToolBar()
 {
-    int cw, ch;
-
     RECT rect;
     ::GetClientRect((HWND) GetHWND(), &rect);
 
@@ -991,3 +1026,14 @@ void wxFrame::PositionToolBar(void)
     }
 }
 
+// propagate our state change to all child frames
+void wxFrame::IconizeChildFrames(bool bIconize)
+{
+  for ( wxNode *node = GetChildren().First(); node; node = node->Next() ) {
+    wxWindow *win = (wxWindow *)node->Data();
+    if ( win->IsKindOf(CLASSINFO(wxFrame)) ) {
+      ((wxFrame *)win)->Iconize(bIconize);
+    }
+  }
+}
+