// 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();
}
// show dialog modally
int wxDialog::ShowModal()
{
wxASSERT_MSG( !IsModal(), wxT("ShowModal() can't be called twice") );
Show();
// EndModal may have been called from InitDialog handler (called from
// inside Show()) and hidden the dialog back again
if ( IsShown() )
{
// enter and run the modal loop
wxDialogModalDataTiedPtr modalData(&m_modalData,
new wxDialogModalData(this));
modalData->RunLoop();
}
return GetReturnCode();
}
//
// Replacement for Show(true) for modal dialogs - returns return code
//
int wxDialog::ShowModal()
{
WX_HOOK_MODAL_DIALOG();
wxASSERT_MSG( !IsModal(), wxT("wxDialog::ShowModal() reentered?") );
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 * const parent = GetParentForModalDialog();
// remember where the focus was
wxWindow *oldFocus = m_pOldFocus;
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;
//
// Before entering the modal loop, reset the "is in OnIdle()" flag (see
// comment in app.cpp)
//
extern bool gbInOnIdle;
bool bWasInOnIdle = gbInOnIdle;
gbInOnIdle = false;
// enter and run the modal loop
{
wxDialogModalDataTiedPtr modalData(&m_modalData,
new wxDialogModalData(this));
modalData->RunLoop();
}
gbInOnIdle = bWasInOnIdle;
// 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) && ::WinIsWindow(vHabmain, hwndOldFocus))
{
// This is likely to prove that the object still exists
if (wxFindWinFromHandle((WXHWND) hwndOldFocus) == oldFocus)
oldFocus->SetFocus();
}
}
return GetReturnCode();
} // end of wxDialog::ShowModal