C++ IsModal函数代码示例

void IngameWindow::MouseLeftUp(const MouseCoords& mc)
{
    // Bewegung stoppen
    isMoving = false;

    // beiden Buttons oben links und rechts prfen
    const Rect rec[2] =
    {
        GetLeftButtonRect(),
        GetRightButtonRect()
    };

    for(unsigned i = 0; i < 2; ++i)
    {
        button_state[i] = BUTTON_UP;
        if(Coll(mc.x, mc.y, rec[i]))
        {
            if(i == 0 && (!IsModal() || closeOnRightClick_))
                Close();
            else if(i==1 && !IsModal())
            {
                SetMinimized(!IsMinimized());
                LOADER.GetSoundN("sound", 113)->Play(255, false);
            }
        }
    }
}

void dlgSearchObject::OnCancel(wxCommandEvent &ev)
{
	if (IsModal())
		EndModal(wxID_CANCEL);
	else
		Destroy();
}

void pgDialog::OnCancel(wxCommandEvent &ev)
{
	if (IsModal())
		EndModal(wxID_CANCEL);
	else
		Destroy();
}

void pgDialog::OnClose(wxCloseEvent &event)
{
	if (IsModal())
		EndModal(wxID_CANCEL);
	else
		Destroy();
}

void DlgSaveLayout::OnOkClick( wxCommandEvent& event )
{
	if(!m_ComboLayout->GetValue().IsEmpty())
    {
		if(bSave)
		{
			wxMainFrame::Get()->AddLayout(m_ComboLayout->GetValue());
		}
		else
		{
			wxMainFrame::Get()->RemoveLayout(m_ComboLayout->GetValue());
		}

        if ( IsModal() )
            EndModal(wxID_OK); // If modal
        else
        {
            SetReturnCode(wxID_OK);
            this->Show(false); // If modeless
        }
    }	
	else
	{
		wxMessageBox(wxT("You must enter a layout name"), wxT("Error"));
	}
}

void DIALOG_DRC_CONTROL::OnLeftDClickClearance( wxMouseEvent& event )
{
    event.Skip();

    // I am assuming that the double click actually changed the selected item.
    // please verify this.
    int selection = m_ClearanceListBox->GetSelection();

    if( selection != wxNOT_FOUND )
    {
        // Find the selected MARKER in the PCB, position cursor there.
        // Then close the dialog.
        const DRC_ITEM* item = m_ClearanceListBox->GetItem( selection );

        if( item )
        {
            m_brdEditor->CursorGoto( item->GetPointA() );
            m_brdEditor->GetGalCanvas()->GetView()->SetCenter( VECTOR2D( item->GetPointA() ) );

            if( !IsModal() )
            {
                // turn control over to m_brdEditor, hide this DIALOG_DRC_CONTROL window,
                // no destruction so we can preserve listbox cursor
                Show( false );

                // We do not want the clarification popup window.
                // when releasing the left button in the main window
                m_brdEditor->SkipNextLeftButtonReleaseEvent();
            }
        }
    }
}

int wxDialog::ShowModal()
{
    if ( IsModal() )
    {
       wxFAIL_MSG( wxT("wxDialog:ShowModal called twice") );
       return GetReturnCode();
    }

    // use the apps top level window as parent if none given unless explicitly
    // forbidden
    wxWindow * const parent = GetParentForModalDialog();
    if ( parent && parent != this )
    {
        m_parent = parent;
    }

    Show(true);

    m_isShowingModal = true;

    wxASSERT_MSG( !m_windowDisabler, wxT("disabling windows twice?") );

#if defined(__WXGTK__) || defined(__WXMGL__)
    wxBusyCursorSuspender suspender;
    // FIXME (FIXME_MGL) - make sure busy cursor disappears under MSW too
#endif

    m_windowDisabler = new wxWindowDisabler(this);
    if ( !m_eventLoop )
        m_eventLoop = new wxEventLoop;

    m_eventLoop->Run();

    return GetReturnCode();
}

void frmExport::OnCancel(wxCommandEvent &ev)
{
    if (IsModal())
        EndModal(wxID_CANCEL);
    else
        Destroy();
}

bool wxDialog::Show(bool show)
{
    if ( !wxDialogBase::Show(show) )
    {
        // nothing to do
        return FALSE;
    }

    if ( show )
    {
        // usually will result in TransferDataToWindow() being called
        InitDialog();
    }

    if ( IsModal() )
    {
        if ( show )
        {
            DoShowModal();
        }
        else // end of modal dialog
        {
            // this will cause IsModalShowing() return FALSE and our local
            // message loop will terminate
            wxModalDialogs.DeleteObject(this);
        }
    }

    return TRUE;
}

void wxDialogBase::EndDialog(int rc)
{
    if ( IsModal() )
        EndModal(rc);
    else
        Hide();
}

void DIALOG_CLEANUP_TRACKS_AND_VIAS::OnLeftDClickItem( wxMouseEvent& event )
{
    event.Skip();

    int selection = m_ItemsListBox->GetSelection();

    if( selection != wxNOT_FOUND )
    {
        // Find the selected DRC_ITEM in the listbox, position cursor there.
        // Then hide the dialog.
        const DRC_ITEM* item = m_ItemsListBox->GetItem( selection );
        if( item )
        {
            m_parentFrame->FocusOnLocation( item->GetPointA(), true, true );

            if( !IsModal() )
            {
                Show( false );

                // We do not want the clarify selection popup when releasing the
                // left button in the main window
                m_parentFrame->SkipNextLeftButtonReleaseEvent();
            }
        }
    }
}

void tmwxOptimizerDialog::DoStartModal() {
  /* CAF - essentially lifted from wxGTK 2.5.1's wxDialog::ShowModal, up to
     grabbing the focus. */
    if (IsModal()) {
       wxFAIL_MSG( wxT("wxDialog:ShowModal called twice") );
       mStatus = GetReturnCode();
       return;
    }

    // use the apps top level window as parent if none given unless explicitly
    // forbidden
    if (! GetParent() && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT)) {
        wxWindow *parent = wxTheApp->GetTopWindow();
        if (parent && parent != this &&
            parent -> IsBeingDeleted() &&
            ! (parent->GetExtraStyle() & wxWS_EX_TRANSIENT)) {
            m_parent = parent;
            gtk_window_set_transient_for (GTK_WINDOW(m_widget),
            GTK_WINDOW(parent->m_widget) );
        }
    }

    wxBeginBusyCursor ();
    Show (true);
    SetFocus();
    m_modalShowing = true;
    g_openDialogs++;
    gtk_grab_add (m_widget);
}

int wxDialog::ShowModal()
{
    WX_TESTING_SHOW_MODAL_HOOK();

    wxASSERT_MSG( !IsModal(), "ShowModal() can't be called twice" );

    // release the mouse if it's currently captured as the window having it
    // will be disabled when this dialog is shown -- but will still keep the
    // capture making it impossible to do anything in the modal dialog itself
    wxWindow * const win = wxWindow::GetCapture();
    if ( win )
        win->GTKReleaseMouseAndNotify();

    wxWindow * const parent = GetParentForModalDialog();
    if ( parent )
    {
        gtk_window_set_transient_for( GTK_WINDOW(m_widget),
                                      GTK_WINDOW(parent->m_widget) );
    }

    wxBusyCursorSuspender cs; // temporarily suppress the busy cursor

#if GTK_CHECK_VERSION(2,10,0)
    unsigned sigId = 0;
    gulong hookId = 0;
#ifndef __WXGTK3__
    // Ubuntu overlay scrollbar uses at least GTK 2.24
    if (gtk_check_version(2,24,0) == NULL)
#endif
    {
        sigId = g_signal_lookup("realize", GTK_TYPE_WIDGET);
        hookId = g_signal_add_emission_hook(sigId, 0, realize_hook, NULL, NULL);
    }
#endif

    Show( true );

    m_modalShowing = true;

    wxOpenModalDialogLocker modalLock;

    // NOTE: gtk_window_set_modal internally calls gtk_grab_add() !
    gtk_window_set_modal(GTK_WINDOW(m_widget), TRUE);

    // Run modal dialog event loop.
    {
        wxGUIEventLoopTiedPtr modal(&m_modalLoop, new wxGUIEventLoop());
        m_modalLoop->Run();
    }

#if GTK_CHECK_VERSION(2,10,0)
    if (sigId)
        g_signal_remove_emission_hook(sigId, hookId);
#endif

    gtk_window_set_modal(GTK_WINDOW(m_widget), FALSE);

    return GetReturnCode();
}

void ParamEdit::Close() {
	if (IsModal()) 
		EndModal(wxID_OK);
	else {
		SetReturnCode(wxID_OK);
		Show(false);
	}
}

void wxGenericAboutDialog::OnCloseWindow(wxCloseEvent& event)
{
    // safeguards in case the window is still shown using ShowModal
    if ( !IsModal() )
        Destroy();

    event.Skip();
}