applying patch, fixes #10523

[wxWidgets.git] / src / msw / dialog.cpp

diff --git a/src/msw/dialog.cpp b/src/msw/dialog.cpp
index b0703f2291abe4ba1e3c537d633ce65a596f45c1..1f9459d57d3d024d33ae6e14721f142bf6bdcb06 100644 (file)
--- a/src/msw/dialog.cpp
+++ b/src/msw/dialog.cpp
@@ -40,7 +40,7 @@
 
 #include "wx/msw/private.h"
 #include "wx/evtloop.h"
-#include "wx/ptr_scpd.h"
+#include "wx/scopedptr.h"
 
 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
     #include "wx/msw/wince/resources.h"
@@ -145,10 +145,8 @@ wxDEFINE_TIED_SCOPED_PTR_TYPE(wxDialogModalData)
 
 void wxDialog::Init()
 {
-    m_oldFocus = (wxWindow *)NULL;
     m_isShown = false;
     m_modalData = NULL;
-    m_endModalCalled = false;
 #if wxUSE_TOOLBAR && defined(__POCKETPC__)
     m_dialogToolBar = NULL;
 #endif
@@ -165,9 +163,6 @@ bool wxDialog::Create(wxWindow *parent,
 {
     SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG);
 
-    // save focus before doing anything which can potentially change it
-    m_oldFocus = FindFocus();
-
     // All dialogs should really have this style
     style |= wxTAB_TRAVERSAL;
 
@@ -197,8 +192,6 @@ bool wxDialog::Create(wxWindow *parent,
 
 wxDialog::~wxDialog()
 {
-    m_isBeingDeleted = true;
-
     // this will also reenable all the other windows for a modal dialog
     Show(false);
 
@@ -283,57 +276,18 @@ void wxDialog::Raise()
 // show dialog modally
 int wxDialog::ShowModal()
 {
-    wxASSERT_MSG(!IsShown(),
-                 _T("ShowModal() can't be called for an already shown dialog"));
-
-    m_endModalCalled = false;
+    wxASSERT_MSG( !IsModal(), _T("ShowModal() can't be called twice") );
 
     Show();
 
     // EndModal may have been called from InitDialog handler (called from
-    // inside Show()), which would cause an infinite loop if we didn't take it
-    // into account
-    if ( !m_endModalCalled )
+    // inside Show()) and hidden the dialog back again
+    if ( IsShown() )
     {
-        // modal dialog needs a parent window, so try to find one
-        wxWindow *parent = GetParent();
-        if ( !parent )
-        {
-            parent = FindSuitableParent();
-        }
-
-        // remember where the focus was
-        wxWindow *oldFocus = m_oldFocus;
-        if ( !oldFocus )
-        {
-            // VZ: do we really want to do this?
-            oldFocus = parent;
-        }
-
-        // We have to remember the HWND because we need to check
-        // the HWND still exists (oldFocus can be garbage when the dialog
-        // exits, if it has been destroyed)
-        HWND hwndOldFocus = oldFocus ? GetHwndOf(oldFocus) : NULL;
-
-
         // enter and run the modal loop
-        {
-            wxDialogModalDataTiedPtr modalData(&m_modalData,
-                                               new wxDialogModalData(this));
-            modalData->RunLoop();
-        }
-
-
-        // and restore focus
-        // Note that this code MUST NOT access the dialog object's data
-        // in case the object has been deleted (which will be the case
-        // for a modal dialog that has been destroyed before calling EndModal).
-        if ( oldFocus && (oldFocus != this) && ::IsWindow(hwndOldFocus))
-        {
-            // This is likely to prove that the object still exists
-            if (wxFindWinFromHandle((WXHWND) hwndOldFocus) == oldFocus)
-                oldFocus->SetFocus();
-        }
+        wxDialogModalDataTiedPtr modalData(&m_modalData,
+                                           new wxDialogModalData(this));
+        modalData->RunLoop();
     }
 
     return GetReturnCode();
@@ -343,7 +297,6 @@ void wxDialog::EndModal(int retCode)
 {
     wxASSERT_MSG( IsModal(), _T("EndModal() called for non modal dialog") );
 
-    m_endModalCalled = true;
     SetReturnCode(retCode);
 
     Hide();
@@ -392,8 +345,11 @@ void wxDialog::DestroyGripper()
     {
         // we used to have trouble with gripper appearing on top (and hence
         // overdrawing) the other, real, dialog children -- check that this
-        // isn't the case automatically
-        wxASSERT_MSG( ::GetNextWindow((HWND)m_hGripper, GW_HWNDNEXT) == 0,
+        // isn't the case automatically (but notice that this could be false if
+        // we're not shown at all as in this case ResizeGripper() might not
+        // have been called yet)
+        wxASSERT_MSG( !IsShown() ||
+                      ::GetWindow((HWND)m_hGripper, GW_HWNDNEXT) == 0,
             _T("Bug in wxWidgets: gripper should be at the bottom of Z-order") );
         ::DestroyWindow((HWND) m_hGripper);
         m_hGripper = 0;