fixing length param, see #10846

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

diff --git a/src/msw/dialog.cpp b/src/msw/dialog.cpp
index f65ece0b5d2fb9a35f11e7f8d3ecbf003e54ecd6..cc22686d7f202a4d398032e06d2bcaef9090591e 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"
@@ -145,14 +145,14 @@ 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
+#if wxUSE_DIALOG_SIZEGRIP
     m_hGripper = 0;
+#endif // wxUSE_DIALOG_SIZEGRIP
 }
 
 bool wxDialog::Create(wxWindow *parent,
@@ -165,9 +165,6 @@ 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;
 
@@ -184,6 +181,7 @@ bool wxDialog::Create(wxWindow *parent,
     CreateToolBar();
 #endif
 
+#if wxUSE_DIALOG_SIZEGRIP
     if ( HasFlag(wxRESIZE_BORDER) )
     {
         CreateGripper();
@@ -191,46 +189,25 @@ bool wxDialog::Create(wxWindow *parent,
         Connect(wxEVT_CREATE,
                 wxWindowCreateEventHandler(wxDialog::OnWindowCreate));
     }
+#endif // wxUSE_DIALOG_SIZEGRIP
 
     return true;
 }
 
 wxDialog::~wxDialog()
 {
-    m_isBeingDeleted = true;
-
     // this will also reenable all the other windows for a modal dialog
     Show(false);
 
+#if wxUSE_DIALOG_SIZEGRIP
     DestroyGripper();
+#endif // wxUSE_DIALOG_SIZEGRIP
 }
 
 // ----------------------------------------------------------------------------
 // showing the dialogs
 // ----------------------------------------------------------------------------
 
-wxWindow *wxDialog::FindSuitableParent() const
-{
-    // first try to use the currently active window
-    HWND hwndFg = ::GetForegroundWindow();
-    wxWindow *parent = hwndFg ? wxFindWinFromHandle((WXHWND)hwndFg)
-                              : NULL;
-    if ( !parent )
-    {
-        // next try the main app window
-        parent = wxTheApp->GetTopWindow();
-    }
-
-    // finally, check if the parent we found is really suitable
-    if ( !parent || parent == (wxWindow *)this || !parent->IsShown() )
-    {
-        // don't use this one
-        parent = NULL;
-    }
-
-    return parent;
-}
-
 bool wxDialog::Show(bool show)
 {
     if ( show == IsShown() )
@@ -285,54 +262,16 @@ int wxDialog::ShowModal()
 {
     wxASSERT_MSG( !IsModal(), _T("ShowModal() can't be called twice") );
 
-    m_endModalCalled = false;
-
     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();
@@ -342,7 +281,6 @@ void wxDialog::EndModal(int retCode)
 {
     wxASSERT_MSG( IsModal(), _T("EndModal() called for non modal dialog") );
 
-    m_endModalCalled = true;
     SetReturnCode(retCode);
 
     Hide();
@@ -352,6 +290,8 @@ void wxDialog::EndModal(int retCode)
 // wxDialog gripper handling
 // ----------------------------------------------------------------------------
 
+#if wxUSE_DIALOG_SIZEGRIP
+
 void wxDialog::SetWindowStyleFlag(long style)
 {
     wxDialogBase::SetWindowStyleFlag(style);
@@ -395,7 +335,7 @@ void wxDialog::DestroyGripper()
         // we're not shown at all as in this case ResizeGripper() might not
         // have been called yet)
         wxASSERT_MSG( !IsShown() ||
-                      ::GetNextWindow((HWND)m_hGripper, GW_HWNDNEXT) == 0,
+                      ::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;
@@ -440,6 +380,8 @@ void wxDialog::OnWindowCreate(wxWindowCreateEvent& event)
     event.Skip();
 }
 
+#endif // wxUSE_DIALOG_SIZEGRIP
+
 // ----------------------------------------------------------------------------
 // wxWin event handlers
 // ----------------------------------------------------------------------------
@@ -521,6 +463,7 @@ WXLRESULT wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lPar
             break;
 
         case WM_SIZE:
+#if wxUSE_DIALOG_SIZEGRIP
             if ( m_hGripper )
             {
                 switch ( wParam )
@@ -533,6 +476,7 @@ WXLRESULT wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lPar
                         ShowGripper(true);
                 }
             }
+#endif // wxUSE_DIALOG_SIZEGRIP
 
             // the Windows dialogs unfortunately are not meant to be resizeable
             // at all and their standard class doesn't include CS_[VH]REDRAW