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
{
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;
// show dialog modally
int wxDialog::ShowModal()
{
- wxASSERT_MSG( !IsModal(), _T("wxDialog::ShowModal() reentered?") );
-
- 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();
{
wxASSERT_MSG( IsModal(), _T("EndModal() called for non modal dialog") );
- m_endModalCalled = true;
SetReturnCode(retCode);
Hide();
{
// 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;