From d2aef3124b711987f45c0f789994a05877fac7ba Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Fri, 7 Aug 1998 22:21:08 +0000
Subject: [PATCH] improved handling of frames with parent: now they have a NULL
 parent HWND (to avoid Win32 bugs in handling this situation) but still are
 iconized/restored with their parent frame

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@462 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 include/wx/msw/frame.h |  3 +++
 src/msw/frame.cpp      | 33 ++++++++++++++++++++++++++++-----
 2 files changed, 31 insertions(+), 5 deletions(-)

diff --git a/include/wx/msw/frame.h b/include/wx/msw/frame.h
index 642962a488..12fe97a0d1 100644
--- a/include/wx/msw/frame.h
+++ b/include/wx/msw/frame.h
@@ -156,6 +156,9 @@ public:
                    int x, int y, int width, int height, long style);
 
 protected:
+  // propagate our state change to all child frames
+  void IconizeChildFrames(bool bIconize);
+
   wxMenuBar *           m_frameMenuBar;
   wxStatusBar *         m_frameStatusBar;
   wxIcon                m_icon;
diff --git a/src/msw/frame.cpp b/src/msw/frame.cpp
index 71309be724..1a7f2bb7a6 100644
--- a/src/msw/frame.cpp
+++ b/src/msw/frame.cpp
@@ -112,8 +112,11 @@ 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;
@@ -684,11 +687,20 @@ void wxFrame::MSWOnSize(int x, int y, WXUINT id)
 #endif
   switch (id)
   {
-    case SIZEFULLSCREEN:
     case SIZENORMAL:
+      // restore all child frames too
+      IconizeChildFrames(FALSE);
+
+      // fall through
+
+    case SIZEFULLSCREEN:
       m_iconized = FALSE;
     break;
+
     case SIZEICONIC:
+      // iconize all child frames too
+      IconizeChildFrames(TRUE);
+
       m_iconized = TRUE;
     break;
   }
@@ -982,8 +994,6 @@ wxToolBar* wxFrame::OnCreateToolBar(long style, wxWindowID id, const wxString& n
 
 void wxFrame::PositionToolBar(void)
 {
-    int cw, ch;
-
     RECT rect;
     ::GetClientRect((HWND) GetHWND(), &rect);
 
@@ -1011,3 +1021,16 @@ void wxFrame::PositionToolBar(void)
         }
     }
 }
+
+// propagate our state change to all child frames
+void wxFrame::IconizeChildFrames(bool bIconize)
+{
+  wxWindow *child = NULL;
+  for ( wxNode *node = GetChildren()->First(); node; node = node->Next() ) {
+    wxWindow *win = (wxWindow *)node->Data();
+    if ( win->IsKindOf(CLASSINFO(wxFrame)) ) {
+      ((wxFrame *)win)->Iconize(bIconize);
+    }
+  }
+}
+
-- 
2.45.2