// show dialog modally
int wxDialog::ShowModal()
{
wxASSERT_MSG( !IsModal(), _T("wxDialog::ShowModal() reentered?") );
m_oldFocus = FindFocus();
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 )
{
// 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();
}
}
return GetReturnCode();
}
int wxMessageDialog::ShowModal()
{
if ( !wxTheApp->GetTopWindow() )
{
// when the message box is shown from wxApp::OnInit() (i.e. before the
// message loop is entered), this must be done or the next message box
// will never be shown - just try putting 2 calls to wxMessageBox() in
// OnInit() to see it
while ( wxTheApp->Pending() )
wxTheApp->Dispatch();
}
// use the top level window as parent if none specified
if ( !m_parent )
m_parent = FindSuitableParent();
HWND hWnd = m_parent ? GetHwndOf(m_parent) : NULL;
// translate wx style in MSW
unsigned int msStyle = MB_OK;
const long wxStyle = GetMessageDialogStyle();
if (wxStyle & wxYES_NO)
{
#if !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
if (wxStyle & wxCANCEL)
msStyle = MB_YESNOCANCEL;
else
#endif // !(__SMARTPHONE__ && __WXWINCE__)
msStyle = MB_YESNO;
if (wxStyle & wxNO_DEFAULT)
msStyle |= MB_DEFBUTTON2;
}
if (wxStyle & wxOK)
{
if (wxStyle & wxCANCEL)
msStyle = MB_OKCANCEL;
else
msStyle = MB_OK;
}
if (wxStyle & wxICON_EXCLAMATION)
msStyle |= MB_ICONEXCLAMATION;
else if (wxStyle & wxICON_HAND)
msStyle |= MB_ICONHAND;
else if (wxStyle & wxICON_INFORMATION)
msStyle |= MB_ICONINFORMATION;
else if (wxStyle & wxICON_QUESTION)
msStyle |= MB_ICONQUESTION;
if ( wxStyle & wxSTAY_ON_TOP )
msStyle |= MB_TOPMOST;
#ifndef __WXWINCE__
if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
msStyle |= MB_RTLREADING | MB_RIGHT;
#endif
if (hWnd)
msStyle |= MB_APPLMODAL;
else
msStyle |= MB_TASKMODAL;
// do show the dialog
int msAns = MessageBox(hWnd, m_message.c_str(), m_caption.c_str(), msStyle);
int ans;
switch (msAns)
{
default:
wxFAIL_MSG(_T("unexpected ::MessageBox() return code"));
// fall through
case IDCANCEL:
ans = wxID_CANCEL;
break;
case IDOK:
ans = wxID_OK;
break;
case IDYES:
ans = wxID_YES;
break;
case IDNO:
ans = wxID_NO;
break;
}
return ans;
}
