inline wxDialog() { Init(); }
- //
- // Constructor with a modal flag, but no window id - the old convention
- //
- inline wxDialog( wxWindow* pParent
- ,const wxString& rsTitle
- ,bool bModal
- ,int nX = -1
- ,int nY = -1
- ,int nWidth = 500
- ,int nHeight = 500
- ,long lStyle = wxDEFAULT_DIALOG_STYLE
- ,const wxString& rsName = wxDialogNameStr
- )
+ // full ctor
+ wxDialog(wxWindow *parent, wxWindowID id,
+ const wxString& title,
+ const wxPoint& pos = wxDefaultPosition,
+ const wxSize& size = wxDefaultSize,
+ long style = wxDEFAULT_DIALOG_STYLE,
+ const wxString& name = wxDialogNameStr)
{
- long lModalStyle = lStyle ? wxDIALOG_MODAL : wxDIALOG_MODELESS ;
-
- Create( pParent
- ,-1
- ,rsTitle
- ,wxPoint(nX, nY)
- ,wxSize(nWidth, nHeight)
- ,lStyle | lModalStyle
- ,rsName
- );
- }
+ Init();
- //
- // Constructor with no modal flag - the new convention.
- //
- inline wxDialog( wxWindow* pParent
- ,wxWindowID vId
- ,const wxString& rsTitle
- ,const wxPoint& rPos = wxDefaultPosition
- ,const wxSize& rSize = wxDefaultSize
- ,long lStyle = wxDEFAULT_DIALOG_STYLE
- ,const wxString& rsName = wxDialogNameStr
- )
- {
- Create( pParent
- ,vId
- ,rsTitle
- ,rPos
- ,rSize
- ,lStyle
- ,rsName
- );
+ (void)Create(parent, id, title, pos, size, style, name);
}
bool Create( wxWindow* pParent
,long lStyle = wxDEFAULT_DIALOG_STYLE
,const wxString& rsName = wxDialogNameStr
);
- ~wxDialog();
+ virtual ~wxDialog();
- void SetModal(bool bFlag);
- virtual bool IsModal(void) const;
+ // return true if we're showing the dialog modally
+ virtual bool IsModal() const { return m_modalData != NULL; }
- // For now, same as Show(TRUE) but returns return code
+ // show the dialog modally and return the value passed to EndModal()
virtual int ShowModal();
// may be called to terminate the dialog with the given return code
virtual void EndModal(int retCode);
- //
- // Returns TRUE if we're in a modal loop
- //
- bool IsModalShowing() const;
-
- //
- // Implementation only from now on
+ // implementation only from now on
// -------------------------------
- //
- //
- // Override some base class virtuals
- //
- virtual bool Show(bool bShow);
+ // override some base class virtuals
+ virtual bool Show(bool show = true);
//
// Event handlers
,WXWPARAM wParam
,WXLPARAM lParam
);
+ // obsolete methods
+ // ----------------
+
+ // Constructor with a modal flag, but no window id - the old convention
+ wxDEPRECATED( wxDialog( wxWindow* pParent
+ ,const wxString& rsTitle
+ ,bool bModal
+ ,int nX = -1
+ ,int nY = -1
+ ,int nWidth = 500
+ ,int nHeight = 500
+ ,long lStyle = wxDEFAULT_DIALOG_STYLE
+ ,const wxString& rsName = wxDialogNameStr
+ ) );
+
+ // just call Show() or ShowModal()
+ wxDEPRECATED( void SetModal(bool bFlag) );
+
+ // use IsModal()
+ wxDEPRECATED( bool IsModalShowing() const );
protected:
//
- // Show modal dialog and enter modal loop
+ // find the window to use as parent for this dialog if none has been
+ // specified explicitly by the user
+ //
+ // may return NULL
//
- void DoShowModal(void);
+ wxWindow *FindSuitableParent() const;
//
// Common part of all ctors
//
void Init(void);
+ // end either modal or modeless dialog
+ void EndDialog(int rc);
+
private:
wxWindow* m_pOldFocus;
+ bool m_endModalCalled; // allow for closing within InitDialog
// this pointer is non-NULL only while the modal event loop is running
wxDialogModalData *m_modalData;
DECLARE_DYNAMIC_CLASS(wxDialog)
DECLARE_EVENT_TABLE()
+ DECLARE_NO_COPY_CLASS(wxDialog)
}; // end of CLASS wxDialog
#endif // _WX_DIALOG_H_
EVT_BUTTON(wxID_CANCEL, wxDialog::OnCancel)
EVT_CHAR_HOOK(wxDialog::OnCharHook)
EVT_SYS_COLOUR_CHANGED(wxDialog::OnSysColourChanged)
+
EVT_CLOSE(wxDialog::OnCloseWindow)
END_EVENT_TABLE()
return TRUE;
} // end of wxDialog::Create
+// deprecated ctor
+wxDialog::wxDialog(wxWindow *parent,
+ const wxString& title,
+ bool WXUNUSED(modal),
+ int x,
+ int y,
+ int w,
+ int h,
+ long style,
+ const wxString& name)
+{
+ Init();
+
+ Create(parent, wxID_ANY, title, wxPoint(x, y), wxSize(w, h), style, name);
+}
+
void wxDialog::SetModal(
- bool bFlag
+ bool WXUNUSED(bFlag)
)
{
- if (bFlag)
- {
- m_windowStyle |= wxDIALOG_MODAL ;
- wxModelessWindows.DeleteObject(this);
- }
- else
- {
- m_windowStyle &= ~wxDIALOG_MODAL ;
- wxModelessWindows.Append(this);
- }
+ // nothing to do, obsolete method
} // end of wxDialog::SetModal
wxDialog::~wxDialog()
{
m_isBeingDeleted = TRUE;
- Show(FALSE);
+
+ // this will also reenable all the other windows for a modal dialog
+ Show(false);
} // end of wxDialog::~wxDialog
//
// showing the dialogs
// ----------------------------------------------------------------------------
-bool wxDialog::IsModal() const
-{
- return (GetWindowStyleFlag() & wxDIALOG_MODAL) != 0;
-} // end of wxDialog::IsModal
-
bool wxDialog::IsModalShowing() const
{
- return m_modalData != NULL; // const_cast
+ return IsModal();
} // end of wxDialog::IsModalShowing
-void wxDialog::DoShowModal()
-{
- wxWindow* pParent = GetParent();
- wxWindow* pOldFocus = m_pOldFocus;
- HWND hWndOldFocus = 0;
-
- wxCHECK_RET( !IsModalShowing(), _T("DoShowModal() called twice") );
- wxCHECK_RET( IsModal(), _T("can't DoShowModal() modeless dialog") );
-
- if (pOldFocus)
- hWndOldFocus = (HWND)pOldFocus->GetHWND();
- //
- // Remember where the focus was
- //
- if (!pOldFocus)
+wxWindow *wxDialog::FindSuitableParent() const
+{
+ // first try to use the currently active window
+ HWND hwndFg = ::WinQueryActiveWindow(HWND_DESKTOP);
+ wxWindow *parent = hwndFg ? wxFindWinFromHandle((WXHWND)hwndFg)
+ : NULL;
+ if ( !parent )
{
- pOldFocus = pParent;
- if (pParent)
- hWndOldFocus = GetHwndOf(pParent);
+ // next try the main app window
+ parent = wxTheApp->GetTopWindow();
}
- //
- // Disable all other app windows
- //
- wxASSERT_MSG(!m_pWindowDisabler, _T("disabling windows twice?"));
-
- //
- // 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 the modal loop
+ // finally, check if the parent we found is really suitable
+ if ( !parent || parent == (wxWindow *)this || !parent->IsShown() )
{
- wxDialogModalDataTiedPtr modalData(&m_modalData,
- new wxDialogModalData(this));
- modalData->RunLoop();
+ // don't use this one
+ parent = NULL;
}
- 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 (pOldFocus && (pOldFocus != this) && ::WinIsWindow(vHabmain, hWndOldFocus))
- {
- //
- // This is likely to prove that the object still exists
- //
- if (wxFindWinFromHandle((WXHWND) hWndOldFocus) == pOldFocus)
- pOldFocus->SetFocus();
- }
-} // end of wxDialog::DoShowModal
+ return parent;
+}
bool wxDialog::Show(
bool bShow
)
{
- if (!bShow)
+ if ( bShow == IsShown() )
+ return false;
+
+ if (!bShow && m_modalData )
{
- //
- // If we had disabled other app windows, reenable them back now because
+ // we need to do this before calling wxDialogBase version because if we
+ // had disabled other app windows, they must be reenabled right now as
// if they stay disabled Windows will activate another window (one
- // which is enabled, anyhow) and we will lose activation. We really don't
- // do this in OS/2 since PM does this for us.
- //
+ // which is enabled, anyhow) when we're hidden in the base class Show()
+ // and we will lose activation
+ m_modalData->ExitLoop();
+#if 0
if (m_pWindowDisabler)
{
delete m_pWindowDisabler;
m_pWindowDisabler = NULL;
}
- if ( m_modalData )
- m_modalData->ExitLoop();
+#endif
}
- //
- // ShowModal() may be called for already shown dialog
- //
- if (!wxDialogBase::Show(bShow) && !(bShow && IsModal()))
+ if (bShow)
{
- //
- // Nothing to do
- //
- return FALSE;
+ // this usually will result in TransferDataToWindow() being called
+ // which will change the controls values so do it before showing as
+ // otherwise we could have some flicker
+ InitDialog();
}
- if (bShow)
+ wxDialogBase::Show(bShow);
+
+ if (GetTitle().c_str())
+ ::WinSetWindowText((HWND)GetHwnd(), GetTitle().c_str());
+
+ if ( bShow )
{
// dialogs don't get WM_SIZE message after creation unlike most (all?)
// other windows and so could start their life non laid out correctly
//
// NB: normally we should call it just the first time but doing it
// every time is simpler than keeping a flag
-// Layout();
-
- //
- // Usually will result in TransferDataToWindow() being called
- //
- InitDialog();
+ Layout();
}
- if (GetTitle().c_str())
- ::WinSetWindowText((HWND)GetHwnd(), GetTitle().c_str());
- if (IsModal())
- {
- if (bShow)
- {
- //
- // Modal dialog needs a parent window, so try to find one
- //
- if (!GetParent())
- {
- wxWindow* pParent = wxTheApp->GetTopWindow();
-
- if ( pParent && pParent != this && pParent->IsShown() )
- {
- //
- // Use it
- //
- m_parent = pParent;
-
- }
- }
- DoShowModal();
- }
- }
- return TRUE;
+ return true;
} // end of wxDialog::Show
//
//
int wxDialog::ShowModal()
{
- if (!IsModal())
+ wxASSERT_MSG( !IsModal(), _T("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 )
{
- SetModal(TRUE);
+ // 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_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();
+ }
}
- Show(TRUE);
+
return GetReturnCode();
} // end of wxDialog::ShowModal
int nRetCode
)
{
+ wxASSERT_MSG( IsModal(), _T("EndModal() called for non modal dialog") );
+
+ m_endModalCalled = true;
SetReturnCode(nRetCode);
- Show(FALSE);
+
+ Hide();
} // end of wxDialog::EndModal
+void wxDialog::EndDialog(int rc)
+{
+ if ( IsModal() )
+ EndModal(rc);
+ else
+ Hide();
+}
+
// ----------------------------------------------------------------------------
// wxWin event handlers
// ----------------------------------------------------------------------------
{
if ( Validate() && TransferDataFromWindow() )
{
- EndModal(wxID_OK);
+ EndDialog(wxID_OK);
}
} // end of wxDialog::OnOK
wxCommandEvent& rEvent
)
{
- EndModal(wxID_CANCEL);
+ EndDialog(wxID_CANCEL);
} // end of wxDialog::OnCancel
void wxDialog::OnCloseWindow(
)
{
//
- // We'll send a Cancel message by default,
- // which may close the dialog.
+ // We'll send a Cancel message by default, which may close the dialog.
// Check for looping if the Cancel event handler calls Close().
//
// Note that if a cancel button and handler aren't present in the dialog,
projects / wxWidgets.git / commitdiff
