Example #1
0
void tst_QMenu::tearOff()
{
    QWidget widget;
    QMenu *menu = new QMenu(&widget);
    QVERIFY(!menu->isTearOffEnabled()); //default value
    menu->setTearOffEnabled(true);
    menu->addAction("aaa");
    menu->addAction("bbb");
    QVERIFY(menu->isTearOffEnabled());

    widget.show();
    widget.activateWindow();
    QVERIFY(QTest::qWaitForWindowActive(&widget));
    menu->popup(QPoint(0,0));
    QVERIFY(QTest::qWaitForWindowActive(menu));
    QVERIFY(!menu->isTearOffMenuVisible());

    QTest::mouseClick(menu, Qt::LeftButton, 0, QPoint(3, 3), 10);
    QTRY_VERIFY(menu->isTearOffMenuVisible());
    QPointer<QMenu> torn = 0;
    foreach (QWidget *w, QApplication::allWidgets()) {
        if (w->inherits("QTornOffMenu")) {
            torn = static_cast<QMenu *>(w);
            break;
        }
    }
    QVERIFY(torn);
    QVERIFY(torn->isVisible());

    menu->hideTearOffMenu();
    QVERIFY(!menu->isTearOffMenuVisible());
    QVERIFY(!torn->isVisible());
}
Example #2
0
TazDlg::TazDlg(QWidget* pParent)
	: QMainWindow(pParent), m_settings("tobis_stuff", "takin"),
		m_pSettingsDlg(new SettingsDlg(this, &m_settings)),
		m_pStatusMsg(new QLabel(this)),
		m_pCoordQStatusMsg(new QLabel(this)),
		m_pCoordCursorStatusMsg(new QLabel(this)),
		m_sceneRecip(this),
		m_dlgRecipParam(this, &m_settings),
		m_dlgRealParam(this, &m_settings),
		m_pGotoDlg(new GotoDlg(this, &m_settings))
{
	//log_debug("In ", __func__, ".");

	const bool bSmallqVisible = 0;
	const bool bBZVisible = 1;
	const bool bWSVisible = 1;

	this->setupUi(this);
	this->setWindowTitle(s_strTitle.c_str());
	this->setFont(g_fontGen);
	this->setWindowIcon(load_icon("res/icons/takin.svg"));

	btnAtoms->setEnabled(g_bHasScatlens);

	if(m_settings.contains("main/geo"))
	{
		QByteArray geo = m_settings.value("main/geo").toByteArray();
		restoreGeometry(geo);
	}
	/*if(m_settings.contains("main/width") && m_settings.contains("main/height"))
	{
		int iW = m_settings.value("main/width").toInt();
		int iH = m_settings.value("main/height").toInt();
		resize(iW, iH);
	}*/

	m_pStatusMsg->setFrameStyle(QFrame::Panel | QFrame::Sunken);
	m_pCoordQStatusMsg->setFrameStyle(QFrame::Panel | QFrame::Sunken);
	m_pCoordCursorStatusMsg->setFrameStyle(QFrame::Panel | QFrame::Sunken);
	for(QLabel* pLabel : {m_pStatusMsg/*, m_pCoordQStatusMsg, m_pCoordCursorStatusMsg*/})
		pLabel->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Preferred);

	QStatusBar *pStatusBar = new QStatusBar(this);
	pStatusBar->addWidget(m_pStatusMsg, 1);
	pStatusBar->addPermanentWidget(m_pCoordQStatusMsg, 0);
	pStatusBar->addPermanentWidget(m_pCoordCursorStatusMsg, 0);
	m_pCoordQStatusMsg->setMinimumWidth(350);
	m_pCoordQStatusMsg->setAlignment(Qt::AlignCenter);
	m_pCoordCursorStatusMsg->setMinimumWidth(325);
	m_pCoordCursorStatusMsg->setAlignment(Qt::AlignCenter);
	this->setStatusBar(pStatusBar);

	// --------------------------------------------------------------------------------

	m_vecEdits_real =
	{
		editA, editB, editC,
		editAlpha, editBeta, editGamma
	};
	m_vecEdits_recip =
	{
		editARecip, editBRecip, editCRecip,
		editAlphaRecip, editBetaRecip, editGammaRecip
	};

	m_vecEdits_plane =
	{
		editScatX0, editScatX1, editScatX2,
		editScatY0, editScatY1, editScatY2,

		editRealX0, editRealX1, editRealX2,
		editRealY0, editRealY1, editRealY2,
	};
	m_vecEdits_monoana =
	{
		editMonoD, editAnaD
	};

	//m_vecSpinBoxesSample = { spinRotPhi, spinRotTheta, spinRotPsi };
	m_vecCheckBoxesSenses = { checkSenseM, checkSenseS, checkSenseA };


	m_vecEditNames_real =
	{
		"sample/a", "sample/b", "sample/c",
		"sample/alpha", "sample/beta", "sample/gamma"
	};
	m_vecEditNames_recip =
	{
		"sample/a_recip", "sample/b_recip", "sample/c_recip",
		"sample/alpha_recip", "sample/beta_recip", "sample/gamma_recip"
	};
	m_vecEditNames_plane =
	{
		"plane/x0", "plane/x1", "plane/x2",
		"plane/y0", "plane/y1", "plane/y2",

		"plane/real_x0", "plane/real_x1", "plane/real_x2",
		"plane/real_y0", "plane/real_y1", "plane/real_y2",
	};
	m_vecEditNames_monoana =
	{
		"tas/mono_d", "tas/ana_d"
	};

	m_vecSpinBoxNamesSample = {"sample/phi", "sample/theta", "sample/psi"};
	m_vecCheckBoxNamesSenses = {"tas/sense_m", "tas/sense_s", "tas/sense_a"};


	// recip
	m_pviewRecip = new ScatteringTriangleView(groupRecip);
	groupRecip->addTab(m_pviewRecip, "Reciprocal Lattice");

	m_pviewProjRecip = new ProjLatticeView(groupRecip);
	groupRecip->addTab(m_pviewProjRecip, "Projection");

	m_pviewRecip->setScene(&m_sceneRecip);
	m_pviewProjRecip->setScene(&m_sceneProjRecip);

	if(m_settings.contains("main/recip_tab"))
		groupRecip->setCurrentIndex(m_settings.value("main/recip_tab").value<int>());


	// real
	m_pviewRealLattice = new LatticeView(groupReal);
	groupReal->addTab(m_pviewRealLattice, "Real Lattice");

	m_pviewReal = new TasLayoutView(groupReal);
	groupReal->addTab(m_pviewReal, "TAS Instrument");

	m_pviewTof = new TofLayoutView(groupReal);
	groupReal->addTab(m_pviewTof, "TOF Instrument");

	m_pviewRealLattice->setScene(&m_sceneRealLattice);
	m_pviewReal->setScene(&m_sceneReal);
	m_pviewTof->setScene(&m_sceneTof);

	if(m_settings.contains("main/real_tab"))
		groupReal->setCurrentIndex(m_settings.value("main/real_tab").value<int>());



	QObject::connect(m_pSettingsDlg, SIGNAL(SettingsChanged()), this, SLOT(SettingsChanged()));

	QObject::connect(&m_sceneReal, SIGNAL(nodeEvent(bool)), this, SLOT(RealNodeEvent(bool)));
	QObject::connect(&m_sceneRecip, SIGNAL(nodeEvent(bool)), this, SLOT(RecipNodeEvent(bool)));
	QObject::connect(&m_sceneTof, SIGNAL(nodeEvent(bool)), this, SLOT(TofNodeEvent(bool)));

	// TAS
	QObject::connect(&m_sceneRecip, SIGNAL(triangleChanged(const TriangleOptions&)),
		&m_sceneReal, SLOT(triangleChanged(const TriangleOptions&)));
	QObject::connect(&m_sceneReal, SIGNAL(tasChanged(const TriangleOptions&)),
		&m_sceneRecip, SLOT(tasChanged(const TriangleOptions&)));
	QObject::connect(&m_sceneRecip, SIGNAL(paramsChanged(const RecipParams&)),
		&m_sceneReal, SLOT(recipParamsChanged(const RecipParams&)));

	// TOF
	QObject::connect(&m_sceneRecip, SIGNAL(triangleChanged(const TriangleOptions&)),
		&m_sceneTof, SLOT(triangleChanged(const TriangleOptions&)));
	QObject::connect(&m_sceneTof, SIGNAL(tasChanged(const TriangleOptions&)),
		&m_sceneRecip, SLOT(tasChanged(const TriangleOptions&)));
	QObject::connect(&m_sceneRecip, SIGNAL(paramsChanged(const RecipParams&)),
		&m_sceneTof, SLOT(recipParamsChanged(const RecipParams&)));

	// connections between instruments
	QObject::connect(&m_sceneTof, SIGNAL(tasChanged(const TriangleOptions&)),
		&m_sceneReal, SLOT(triangleChanged(const TriangleOptions&)));
	QObject::connect(&m_sceneReal, SIGNAL(tasChanged(const TriangleOptions&)),
		&m_sceneTof, SLOT(triangleChanged(const TriangleOptions&)));

	// scale factor
	if(m_pviewRecip)
		QObject::connect(m_pviewRecip, SIGNAL(scaleChanged(t_real_glob)),
			&m_sceneRecip, SLOT(scaleChanged(t_real_glob)));
	if(m_pviewProjRecip)
		QObject::connect(m_pviewProjRecip, SIGNAL(scaleChanged(t_real_glob)),
			&m_sceneProjRecip, SLOT(scaleChanged(t_real_glob)));
	if(m_pviewRealLattice)
		QObject::connect(m_pviewRealLattice, SIGNAL(scaleChanged(t_real_glob)),
			&m_sceneRealLattice, SLOT(scaleChanged(t_real_glob)));
	if(m_pviewReal)
		QObject::connect(m_pviewReal, SIGNAL(scaleChanged(t_real_glob)),
			&m_sceneReal, SLOT(scaleChanged(t_real_glob)));
	if(m_pviewTof)
		QObject::connect(m_pviewTof, SIGNAL(scaleChanged(t_real_glob)),
			&m_sceneTof, SLOT(scaleChanged(t_real_glob)));

	// parameter dialogs
	QObject::connect(&m_sceneRecip, SIGNAL(paramsChanged(const RecipParams&)),
		&m_dlgRecipParam, SLOT(paramsChanged(const RecipParams&)));
	QObject::connect(&m_sceneReal, SIGNAL(paramsChanged(const RealParams&)),
		&m_dlgRealParam, SLOT(paramsChanged(const RealParams&)));

	// cursor position
	QObject::connect(&m_sceneRecip, SIGNAL(coordsChanged(t_real_glob, t_real_glob, t_real_glob, bool, t_real_glob, t_real_glob, t_real_glob)),
		this, SLOT(RecipCoordsChanged(t_real_glob, t_real_glob, t_real_glob, bool, t_real_glob, t_real_glob, t_real_glob)));
	QObject::connect(&m_sceneProjRecip, SIGNAL(coordsChanged(t_real_glob, t_real_glob, t_real_glob, bool, t_real_glob, t_real_glob, t_real_glob)),
		this, SLOT(RecipCoordsChanged(t_real_glob, t_real_glob, t_real_glob, bool, t_real_glob, t_real_glob, t_real_glob)));
	QObject::connect(&m_sceneRealLattice, SIGNAL(coordsChanged(t_real_glob, t_real_glob, t_real_glob, bool, t_real_glob, t_real_glob, t_real_glob)),
		this, SLOT(RealCoordsChanged(t_real_glob, t_real_glob, t_real_glob, bool, t_real_glob, t_real_glob, t_real_glob)));

	QObject::connect(&m_sceneRecip, SIGNAL(spurionInfo(const tl::ElasticSpurion&, const std::vector<tl::InelasticSpurion<t_real_glob>>&, const std::vector<tl::InelasticSpurion<t_real_glob>>&)),
		this, SLOT(spurionInfo(const tl::ElasticSpurion&, const std::vector<tl::InelasticSpurion<t_real_glob>>&, const std::vector<tl::InelasticSpurion<t_real_glob>>&)));

	QObject::connect(m_pGotoDlg, SIGNAL(vars_changed(const CrystalOptions&, const TriangleOptions&)),
		this, SLOT(VarsChanged(const CrystalOptions&, const TriangleOptions&)));
	QObject::connect(&m_sceneRecip, SIGNAL(paramsChanged(const RecipParams&)),
		m_pGotoDlg, SLOT(RecipParamsChanged(const RecipParams&)));

	QObject::connect(&m_sceneRecip, SIGNAL(paramsChanged(const RecipParams&)),
		this, SLOT(recipParamsChanged(const RecipParams&)));


	for(QLineEdit* pEdit : m_vecEdits_monoana)
		QObject::connect(pEdit, SIGNAL(textEdited(const QString&)), this, SLOT(UpdateDs()));

	for(QLineEdit* pEdit : m_vecEdits_real)
	{
		QObject::connect(pEdit, SIGNAL(textEdited(const QString&)), this, SLOT(CheckCrystalType()));
		QObject::connect(pEdit, SIGNAL(textEdited(const QString&)), this, SLOT(CalcPeaks()));
	}

	for(QLineEdit* pEdit : m_vecEdits_plane)
	{
		QObject::connect(pEdit, SIGNAL(textEdited(const QString&)), this, SLOT(CalcPeaks()));
	}

	//for(QDoubleSpinBox* pSpin : m_vecSpinBoxesSample)
	//	QObject::connect(pSpin, SIGNAL(valueChanged(t_real)), this, SLOT(CalcPeaks()));

	for(QLineEdit* pEdit : m_vecEdits_recip)
	{
		QObject::connect(pEdit, SIGNAL(textEdited(const QString&)), this, SLOT(CheckCrystalType()));
		QObject::connect(pEdit, SIGNAL(textEdited(const QString&)), this, SLOT(CalcPeaksRecip()));
	}

	QObject::connect(checkSenseM, SIGNAL(stateChanged(int)), this, SLOT(UpdateMonoSense()));
	QObject::connect(checkSenseS, SIGNAL(stateChanged(int)), this, SLOT(UpdateSampleSense()));
	QObject::connect(checkSenseA, SIGNAL(stateChanged(int)), this, SLOT(UpdateAnaSense()));

	QObject::connect(editSpaceGroupsFilter, SIGNAL(textEdited(const QString&)), this, SLOT(RepopulateSpaceGroups()));
	QObject::connect(comboSpaceGroups, SIGNAL(currentIndexChanged(int)), this, SLOT(SetCrystalType()));
	QObject::connect(comboSpaceGroups, SIGNAL(currentIndexChanged(int)), this, SLOT(CalcPeaks()));
	QObject::connect(checkPowder, SIGNAL(stateChanged(int)), this, SLOT(CalcPeaks()));

	QObject::connect(btnAtoms, SIGNAL(clicked(bool)), this, SLOT(ShowAtomsDlg()));



	// --------------------------------------------------------------------------------
	// file menu
	QMenu *pMenuFile = new QMenu("File", this);

	QAction *pNew = new QAction("New", this);
	pNew->setIcon(load_icon("res/icons/document-new.svg"));
	pMenuFile->addAction(pNew);

	pMenuFile->addSeparator();

	QAction *pLoad = new QAction("Load...", this);
	pLoad->setIcon(load_icon("res/icons/document-open.svg"));
	pMenuFile->addAction(pLoad);

	m_pMenuRecent = new QMenu("Recently Loaded", this);
	tl::RecentFiles recent(&m_settings, "main/recent");
	m_pMapperRecent = new QSignalMapper(m_pMenuRecent);
	QObject::connect(m_pMapperRecent, SIGNAL(mapped(const QString&)),
		this, SLOT(LoadFile(const QString&)));
	recent.FillMenu(m_pMenuRecent, m_pMapperRecent);
	pMenuFile->addMenu(m_pMenuRecent);

	QAction *pSave = new QAction("Save", this);
	pSave->setIcon(load_icon("res/icons/document-save.svg"));
	pMenuFile->addAction(pSave);

	QAction *pSaveAs = new QAction("Save as...", this);
	pSaveAs->setIcon(load_icon("res/icons/document-save-as.svg"));
	pMenuFile->addAction(pSaveAs);

	pMenuFile->addSeparator();

	QAction *pImport = new QAction("Import...", this);
	pImport->setIcon(load_icon("res/icons/drive-harddisk.svg"));
	pMenuFile->addAction(pImport);

	m_pMenuRecentImport = new QMenu("Recently Imported", this);
	tl::RecentFiles recentimport(&m_settings, "main/recent_import");
	m_pMapperRecentImport = new QSignalMapper(m_pMenuRecentImport);
	QObject::connect(m_pMapperRecentImport, SIGNAL(mapped(const QString&)),
		this, SLOT(ImportFile(const QString&)));
	recentimport.FillMenu(m_pMenuRecentImport, m_pMapperRecentImport);
	pMenuFile->addMenu(m_pMenuRecentImport);

	pMenuFile->addSeparator();

	QAction *pSettings = new QAction("Settings...", this);
	pSettings->setIcon(load_icon("res/icons/preferences-system.svg"));
	pMenuFile->addAction(pSettings);

	pMenuFile->addSeparator();

	QAction *pExit = new QAction("Exit", this);
	pExit->setIcon(load_icon("res/icons/system-log-out.svg"));
	pMenuFile->addAction(pExit);


	// --------------------------------------------------------------------------------
	// recip menu
	m_pMenuViewRecip = new QMenu("Reciprocal Space", this);

	m_pGoto = new QAction("Go to Position...", this);
	m_pGoto->setIcon(load_icon("res/icons/goto.svg"));
	m_pMenuViewRecip->addAction(m_pGoto);

	QAction *pRecipParams = new QAction("Information...", this);
	m_pMenuViewRecip->addAction(pRecipParams);
	m_pMenuViewRecip->addSeparator();

	m_pSmallq = new QAction("Show Reduced Scattering Vector q", this);
	m_pSmallq->setIcon(load_icon("res/icons/q.svg"));
	m_pSmallq->setCheckable(1);
	m_pSmallq->setChecked(bSmallqVisible);
	m_pMenuViewRecip->addAction(m_pSmallq);

	m_pSnapSmallq = new QAction("Snap G to Bragg Peak", this);
	m_pSnapSmallq->setCheckable(1);
	m_pSnapSmallq->setChecked(m_sceneRecip.getSnapq());
	m_pMenuViewRecip->addAction(m_pSnapSmallq);

	QAction *pKeepAbsKiKf = new QAction("Keep |ki| and |kf| Fixed", this);
	pKeepAbsKiKf->setCheckable(1);
	pKeepAbsKiKf->setChecked(m_sceneRecip.getKeepAbsKiKf());
	m_pMenuViewRecip->addAction(pKeepAbsKiKf);

	m_pBZ = new QAction("Show First Brillouin Zone", this);
	m_pBZ->setIcon(load_icon("res/icons/brillouin.svg"));
	m_pBZ->setCheckable(1);
	m_pBZ->setChecked(bBZVisible);
	m_pMenuViewRecip->addAction(m_pBZ);


	QMenu *pMenuEwald = new QMenu("Ewald Sphere", this);
	QActionGroup *pGroupEwald = new QActionGroup(this);
	m_pEwaldSphereNone = new QAction("Disabled", this);
	m_pEwaldSphereKi = new QAction("Around ki", this);
	m_pEwaldSphereKf = new QAction("Around kf", this);
	for(QAction* pAct : {m_pEwaldSphereNone, m_pEwaldSphereKi, m_pEwaldSphereKf})
	{
		pAct->setCheckable(1);
		pGroupEwald->addAction(pAct);
	}

	m_pEwaldSphereKf->setChecked(1);
	pMenuEwald->addActions(pGroupEwald->actions());
	m_pMenuViewRecip->addMenu(pMenuEwald);


	m_pMenuViewRecip->addSeparator();

	QMenu *pMenuProj = new QMenu("Projection", this);
	pMenuProj->setTearOffEnabled(1);
	QActionGroup *pGroupProj = new QActionGroup(this);

	m_pProjGnom = new QAction("Gnomonic", this);
	m_pProjStereo = new QAction("Stereographic", this);
	m_pProjPara = new QAction("Parallel", this);
	m_pProjPersp = new QAction("Perspectivic", this);

	for(QAction *pAct : {m_pProjGnom, m_pProjStereo, m_pProjPara, m_pProjPersp})
	{
		pAct->setCheckable(1);
		pGroupProj->addAction(pAct);
	}

	m_pProjStereo->setChecked(1);
	pMenuProj->addActions(pGroupProj->actions());

	m_pMenuViewRecip->addMenu(pMenuProj);

#if !defined NO_3D
	QAction *pView3D = new QAction("3D View...", this);
	//pView3D->setIcon(QIcon::fromTheme("applications-graphics"));
	m_pMenuViewRecip->addAction(pView3D);
#endif

	m_pMenuViewRecip->addSeparator();

	QAction *pRecipExport = new QAction("Export Lattice Graphics...", this);
	pRecipExport->setIcon(load_icon("res/icons/image-x-generic.svg"));
	m_pMenuViewRecip->addAction(pRecipExport);

	QAction *pProjExport = new QAction("Export Projection Graphics...", this);
	pProjExport->setIcon(load_icon("res/icons/image-x-generic.svg"));
	m_pMenuViewRecip->addAction(pProjExport);

#ifdef USE_GIL
	QAction *pBZExport = new QAction("Export Brillouin Zone Image...", this);
	pBZExport->setIcon(load_icon("res/icons/image-x-generic.svg"));
	m_pMenuViewRecip->addAction(pBZExport);
#endif


	// --------------------------------------------------------------------------------
	// real menu
	m_pMenuViewReal = new QMenu("Real Space", this);
	m_pMenuViewReal->addAction(m_pGoto);

	QAction *pRealParams = new QAction("Information...", this);
	m_pMenuViewReal->addAction(pRealParams);

	m_pMenuViewReal->addSeparator();

	m_pShowRealQDir = new QAction("Show Q Direction", this);
	m_pShowRealQDir->setCheckable(1);
	m_pShowRealQDir->setChecked(m_sceneReal.GetTasLayout()->GetRealQVisible());
	m_pMenuViewReal->addAction(m_pShowRealQDir);

	m_pWS = new QAction("Show Wigner-Seitz Cell", this);
	m_pWS->setIcon(load_icon("res/icons/brillouin.svg"));
	m_pWS->setCheckable(1);
	m_pWS->setChecked(bWSVisible);
	m_pMenuViewReal->addAction(m_pWS);

	m_pMenuViewReal->addSeparator();

#if !defined NO_3D
	QAction *pView3DReal = new QAction("3D View...", this);
	//pView3DReal->setIcon(QIcon::fromTheme("applications-graphics"));
	m_pMenuViewReal->addAction(pView3DReal);
	m_pMenuViewReal->addSeparator();
#endif

	QAction *pRealLatticeExport = new QAction("Export Lattice Graphics...", this);
	pRealLatticeExport->setIcon(load_icon("res/icons/image-x-generic.svg"));
	m_pMenuViewReal->addAction(pRealLatticeExport);

	QAction *pRealExport = new QAction("Export TAS Layout...", this);
	pRealExport->setIcon(load_icon("res/icons/image-x-generic.svg"));
	m_pMenuViewReal->addAction(pRealExport);

	QAction *pTofExport = new QAction("Export TOF Layout...", this);
	pTofExport->setIcon(load_icon("res/icons/image-x-generic.svg"));
	m_pMenuViewReal->addAction(pTofExport);

#ifdef USE_GIL
	QAction *pWSExport = new QAction("Export Wigner-Seitz Cell Image...", this);
	pWSExport->setIcon(load_icon("res/icons/image-x-generic.svg"));
	m_pMenuViewReal->addAction(pWSExport);
#endif

	QAction *pExportUC = new QAction("Export Unit Cell Model...", this);
	pExportUC->setIcon(load_icon("res/icons/image-x-generic.svg"));
	m_pMenuViewReal->addAction(pExportUC);


	// --------------------------------------------------------------------------------
	// resolution menu
	QMenu *pMenuReso = new QMenu("Resolution", this);

	QAction *pResoParams = new QAction("Parameters...", this);
	pResoParams->setIcon(load_icon("res/icons/accessories-calculator.svg"));
	pMenuReso->addAction(pResoParams);

	pMenuReso->addSeparator();

	QAction *pResoEllipses = new QAction("Ellipses...", this);
	pResoEllipses->setIcon(load_icon("res/icons/ellipses.svg"));
	pMenuReso->addAction(pResoEllipses);

#if !defined NO_3D
	QAction *pResoEllipses3D = new QAction("3D Ellipsoids...", this);
	pMenuReso->addAction(pResoEllipses3D);
#endif

	pMenuReso->addSeparator();

	QAction *pResoConv = new QAction("Convolution...", this);
	pMenuReso->addAction(pResoConv);


	// --------------------------------------------------------------------------------
	// calc menu
	QMenu *pMenuCalc = new QMenu("Calculation", this);

	QAction *pNeutronProps = new QAction("Neutron Properties...", this);
	pNeutronProps->setIcon(load_icon("res/icons/x-office-spreadsheet-template.svg"));
	pMenuCalc->addAction(pNeutronProps);

	pMenuCalc->addSeparator();

	QAction *pPowder = new QAction("Powder Lines...", this);
	pPowder->setIcon(load_icon("res/icons/weather-snow.svg"));
	pMenuCalc->addAction(pPowder);

	QAction *pDW = new QAction("Scattering Factors...", this);
	pMenuCalc->addAction(pDW);

	QAction *pFormfactor = nullptr;
	if(g_bHasFormfacts && g_bHasScatlens)
	{
		pFormfactor = new QAction("Form Factors...", this);
		pMenuCalc->addAction(pFormfactor);
	}

	QAction *pSgList = new QAction("Space Group Types...", this);
	pMenuCalc->addAction(pSgList);

	QAction *pDisp = new QAction("Dispersions...", this);
	//pDisp->setIcon(load_icon("disp.svg"));
	pMenuCalc->addAction(pDisp);

	pMenuCalc->addSeparator();

	QAction *pDynPlane = new QAction("Kinematic Plane...", this);
	pMenuCalc->addAction(pDynPlane);

	QAction *pSpuri = new QAction("Spurious Scattering...", this);
	pMenuCalc->addAction(pSpuri);


#if !defined NO_NET
	// --------------------------------------------------------------------------------
	// network menu
	QMenu *pMenuNet = new QMenu("Network", this);

	QAction *pConn = new QAction("Connect to Instrument...", this);
	pConn->setIcon(load_icon("res/icons/network-transmit-receive.svg"));
	pMenuNet->addAction(pConn);

	QAction *pDisconn = new QAction("Disconnect", this);
	pDisconn->setIcon(load_icon("res/icons/network-offline.svg"));
	pMenuNet->addAction(pDisconn);

	pMenuNet->addSeparator();

	QAction *pNetScanMon = new QAction("Scan Monitor...", this);
	pMenuNet->addAction(pNetScanMon);

	QAction *pNetCache = new QAction("Network Cache...", this);
	pMenuNet->addAction(pNetCache);

	QAction *pNetRefresh = new QAction("Refresh", this);
	pNetRefresh->setIcon(load_icon("res/icons/view-refresh.svg"));
	pMenuNet->addSeparator();
	pMenuNet->addAction(pNetRefresh);
#endif


	// --------------------------------------------------------------------------------
	// tools menu
	QMenu *pMenuTools = new QMenu("Tools", this);

	QAction *pScanViewer = new QAction("Scan Viewer...", this);
	pMenuTools->addAction(pScanViewer);



	// --------------------------------------------------------------------------------
	// help menu
	QMenu *pMenuHelp = new QMenu("Help", this);

	QAction *pHelp = new QAction("Show Help...", this);
	pHelp->setIcon(load_icon("res/icons/help-browser.svg"));
	pMenuHelp->addAction(pHelp);

	QAction *pDevelDoc = new QAction("Show Developer Help...", this);
	if(find_resource("doc/devel/html/index.html", 0) == "")
		pDevelDoc->setEnabled(0);
	pDevelDoc->setIcon(load_icon("res/icons/help-browser.svg"));
	pMenuHelp->addAction(pDevelDoc);

	pMenuHelp->addSeparator();

	QAction *pAboutQt = new QAction("About Qt...", this);
	//pAboutQt->setIcon(QIcon::fromTheme("help-about"));
	pMenuHelp->addAction(pAboutQt);

	//pMenuHelp->addSeparator();
	QAction *pAbout = new QAction("About Takin...", this);
	pAbout->setIcon(load_icon("res/icons/dialog-information.svg"));
	pMenuHelp->addAction(pAbout);



	// --------------------------------------------------------------------------------
	QMenuBar *pMenuBar = new QMenuBar(this);
	pMenuBar->addMenu(pMenuFile);
	pMenuBar->addMenu(m_pMenuViewRecip);
	pMenuBar->addMenu(m_pMenuViewReal);
	pMenuBar->addMenu(pMenuReso);
	pMenuBar->addMenu(pMenuCalc);
	pMenuBar->addMenu(pMenuTools);
#if !defined NO_NET
	pMenuBar->addMenu(pMenuNet);
#endif
	pMenuBar->addMenu(pMenuHelp);


	QObject::connect(pNew, SIGNAL(triggered()), this, SLOT(New()));
	QObject::connect(pLoad, SIGNAL(triggered()), this, SLOT(Load()));
	QObject::connect(pSave, SIGNAL(triggered()), this, SLOT(Save()));
	QObject::connect(pSaveAs, SIGNAL(triggered()), this, SLOT(SaveAs()));
	QObject::connect(pImport, SIGNAL(triggered()), this, SLOT(Import()));
	QObject::connect(pScanViewer, SIGNAL(triggered()), this, SLOT(ShowScanViewer()));
	QObject::connect(pSettings, SIGNAL(triggered()), this, SLOT(ShowSettingsDlg()));
	QObject::connect(pExit, SIGNAL(triggered()), this, SLOT(close()));

	QObject::connect(m_pSmallq, SIGNAL(toggled(bool)), this, SLOT(EnableSmallq(bool)));
	QObject::connect(m_pBZ, SIGNAL(toggled(bool)), this, SLOT(EnableBZ(bool)));
	QObject::connect(m_pWS, SIGNAL(toggled(bool)), this, SLOT(EnableWS(bool)));

	for(QAction* pAct : {m_pEwaldSphereNone, m_pEwaldSphereKi, m_pEwaldSphereKf})
		QObject::connect(pAct, SIGNAL(triggered()), this, SLOT(ShowEwaldSphere()));

	QObject::connect(m_pShowRealQDir, SIGNAL(toggled(bool)), this, SLOT(EnableRealQDir(bool)));

	QObject::connect(m_pSnapSmallq, SIGNAL(toggled(bool)), &m_sceneRecip, SLOT(setSnapq(bool)));
	QObject::connect(pKeepAbsKiKf, SIGNAL(toggled(bool)), &m_sceneRecip, SLOT(setKeepAbsKiKf(bool)));

	QObject::connect(pRecipParams, SIGNAL(triggered()), this, SLOT(ShowRecipParams()));
	QObject::connect(pRealParams, SIGNAL(triggered()), this, SLOT(ShowRealParams()));

	for(QAction *pProj : {m_pProjGnom, m_pProjStereo, m_pProjPara, m_pProjPersp})
		QObject::connect(pProj, SIGNAL(triggered()), this, SLOT(RecipProjChanged()));

#if !defined NO_3D
	QObject::connect(pView3D, SIGNAL(triggered()), this, SLOT(Show3D()));
	QObject::connect(pView3DReal, SIGNAL(triggered()), this, SLOT(Show3DReal()));
	QObject::connect(pResoEllipses3D, SIGNAL(triggered()), this, SLOT(ShowResoEllipses3D()));
#endif

	QObject::connect(pRecipExport, SIGNAL(triggered()), this, SLOT(ExportRecip()));
	QObject::connect(pProjExport, SIGNAL(triggered()), this, SLOT(ExportProj()));
	QObject::connect(pRealExport, SIGNAL(triggered()), this, SLOT(ExportReal()));
	QObject::connect(pTofExport, SIGNAL(triggered()), this, SLOT(ExportTof()));
	QObject::connect(pRealLatticeExport, SIGNAL(triggered()), this, SLOT(ExportRealLattice()));

	QObject::connect(pExportUC, SIGNAL(triggered()), this, SLOT(ExportUCModel()));

#ifdef USE_GIL
	QObject::connect(pBZExport, SIGNAL(triggered()), this, SLOT(ExportBZImage()));
	QObject::connect(pWSExport, SIGNAL(triggered()), this, SLOT(ExportWSImage()));
#endif

	QObject::connect(pResoParams, SIGNAL(triggered()), this, SLOT(ShowResoParams()));
	QObject::connect(pResoEllipses, SIGNAL(triggered()), this, SLOT(ShowResoEllipses()));
	QObject::connect(pResoConv, SIGNAL(triggered()), this, SLOT(ShowResoConv()));

	QObject::connect(pNeutronProps, SIGNAL(triggered()), this, SLOT(ShowNeutronDlg()));
	QObject::connect(m_pGoto, SIGNAL(triggered()), this, SLOT(ShowGotoDlg()));
	QObject::connect(pPowder, SIGNAL(triggered()), this, SLOT(ShowPowderDlg()));
	QObject::connect(pDisp, SIGNAL(triggered()), this, SLOT(ShowDispDlg()));
	QObject::connect(pSpuri, SIGNAL(triggered()), this, SLOT(ShowSpurions()));
	QObject::connect(pDW, SIGNAL(triggered()), this, SLOT(ShowDWDlg()));
	QObject::connect(pDynPlane, SIGNAL(triggered()), this, SLOT(ShowDynPlaneDlg()));

#if !defined NO_NET
	QObject::connect(pConn, SIGNAL(triggered()), this, SLOT(ShowConnectDlg()));
	QObject::connect(pDisconn, SIGNAL(triggered()), this, SLOT(Disconnect()));
	QObject::connect(pNetRefresh, SIGNAL(triggered()), this, SLOT(NetRefresh()));
	QObject::connect(pNetCache, SIGNAL(triggered()), this, SLOT(ShowNetCache()));
	QObject::connect(pNetScanMon, SIGNAL(triggered()), this, SLOT(ShowNetScanMonitor()));
#endif

	QObject::connect(pSgList, SIGNAL(triggered()), this, SLOT(ShowSgListDlg()));

	if(pFormfactor)
		QObject::connect(pFormfactor, SIGNAL(triggered()), this, SLOT(ShowFormfactorDlg()));

	QObject::connect(pHelp, SIGNAL(triggered()), this, SLOT(ShowHelp()));
	QObject::connect(pDevelDoc, SIGNAL(triggered()), this, SLOT(ShowDevelDoc()));
	QObject::connect(pAbout, SIGNAL(triggered()), this, SLOT(ShowAbout()));
	QObject::connect(pAboutQt, SIGNAL(triggered()), qApp, SLOT(aboutQt()));


	setMenuBar(pMenuBar);
	// --------------------------------------------------------------------------------


	// --------------------------------------------------------------------------------
	// context menus
	if(m_pviewRecip) m_pviewRecip->setContextMenuPolicy(Qt::CustomContextMenu);
	if(m_pviewProjRecip) m_pviewProjRecip->setContextMenuPolicy(Qt::CustomContextMenu);
	if(m_pviewRealLattice) m_pviewRealLattice->setContextMenuPolicy(Qt::CustomContextMenu);
	if(m_pviewReal) m_pviewReal->setContextMenuPolicy(Qt::CustomContextMenu);
	if(m_pviewTof) m_pviewTof->setContextMenuPolicy(Qt::CustomContextMenu);

	if(m_pviewRecip)
		QObject::connect(m_pviewRecip, SIGNAL(customContextMenuRequested(const QPoint&)),
			this, SLOT(RecipContextMenu(const QPoint&)));
	if(m_pviewProjRecip)
		QObject::connect(m_pviewProjRecip, SIGNAL(customContextMenuRequested(const QPoint&)),
			this, SLOT(RecipContextMenu(const QPoint&)));
	if(m_pviewRealLattice)
		QObject::connect(m_pviewRealLattice, SIGNAL(customContextMenuRequested(const QPoint&)),
			this, SLOT(RealContextMenu(const QPoint&)));
	if(m_pviewReal)
		QObject::connect(m_pviewReal, SIGNAL(customContextMenuRequested(const QPoint&)),
			this, SLOT(RealContextMenu(const QPoint&)));
	if(m_pviewTof)
		QObject::connect(m_pviewTof, SIGNAL(customContextMenuRequested(const QPoint&)),
			this, SLOT(RealContextMenu(const QPoint&)));


	// --------------------------------------------------------------------------------
	// tool bars
	QToolBar *pFileTools = new QToolBar(this);
	pFileTools->setWindowTitle("File");
	pFileTools->addAction(pNew);
	pFileTools->addAction(pLoad);
	pFileTools->addAction(pImport);
	pFileTools->addAction(pSave);
	pFileTools->addAction(pSaveAs);
	addToolBar(pFileTools);

	QToolBar *pRecipTools = new QToolBar(this);
	pRecipTools->setWindowTitle("Reciprocal Space");
	pRecipTools->addAction(m_pGoto);
	pRecipTools->addAction(m_pSmallq);
	pRecipTools->addAction(m_pBZ);
	//pRecipTools->addAction(m_pEwaldSphere);
	addToolBar(pRecipTools);

	QToolBar *pResoTools = new QToolBar(this);
	pResoTools->setWindowTitle("Resolution");
	pResoTools->addAction(pResoParams);
	pResoTools->addAction(pResoEllipses);
	addToolBar(pResoTools);

	QToolBar *pCalcTools = new QToolBar(this);
	pCalcTools->setWindowTitle("Calculation");
	pCalcTools->addAction(pNeutronProps);
	pCalcTools->addAction(pPowder);
	addToolBar(pCalcTools);

#if !defined NO_NET
	QToolBar *pNetTools = new QToolBar(this);
	pNetTools->setWindowTitle("Network");
	pNetTools->addAction(pConn);
	pNetTools->addAction(pDisconn);
	pNetTools->addAction(pNetRefresh);
	addToolBar(pNetTools);
#endif

	// --------------------------------------------------------------------------------


	RepopulateSpaceGroups();

	unsigned int iMaxPeaks = m_settings.value("main/max_peaks", 10).toUInt();

	m_sceneRecip.GetTriangle()->SetMaxPeaks(iMaxPeaks);
	m_sceneRecip.GetTriangle()->SetPlaneDistTolerance(s_dPlaneDistTolerance);

	m_sceneProjRecip.GetLattice()->SetMaxPeaks(iMaxPeaks/2);

	m_sceneRealLattice.GetLattice()->SetMaxPeaks(iMaxPeaks);
	m_sceneRealLattice.GetLattice()->SetPlaneDistTolerance(s_dPlaneDistTolerance);

#if !defined NO_3D
	if(m_pRecip3d)
	{
		m_pRecip3d->SetMaxPeaks((t_real)iMaxPeaks);
		m_pRecip3d->SetPlaneDistTolerance(s_dPlaneDistTolerance);
	}
#endif

	m_bReady = 1;
	UpdateDs();
	CalcPeaks();


	m_sceneRecip.GetTriangle()->SetqVisible(bSmallqVisible);
	m_sceneRecip.GetTriangle()->SetBZVisible(bBZVisible);
	m_sceneRecip.GetTriangle()->SetEwaldSphereVisible(EWALD_KF);
	m_sceneRealLattice.GetLattice()->SetWSVisible(bWSVisible);
	m_sceneRecip.emitUpdate();
	//m_sceneRecip.emitAllParams();

	setAcceptDrops(1);
}
Example #3
0
void QMenuProto::setTearOffEnabled(bool enabled)
{
  QMenu *item = qscriptvalue_cast<QMenu*>(thisObject());
  if (item)
    item->setTearOffEnabled(enabled);
}
// Neue Widget-Klasse vom eigentlichen Widget ableiten
MyWindow::MyWindow( QMainWindow *parent,
                    Qt::WindowFlags flags) :
                    QMainWindow(parent, flags)  {
    editor = new QTextEdit;
    editor->setWhatsThis(
                "Dieser Text kann mit (Shift)+(F1) angezeigt werden."
                "Auch eine <b>HTML-Formatierung</b> ist möglich. ");


    // Das komplette Menü zum Hauptprogramm
    QMenu *fileMenu = new QMenu(tr("&Datei"), this);
    menuBar()->addMenu(fileMenu);
    act1 = fileMenu->addAction(
                QIcon(QString("%1%2").arg(QCoreApplication::applicationDirPath()).arg("/images/page_white.png")), tr("&Neu"),
       this, SLOT(newFile()),
       QKeySequence(tr("Ctrl+N", "Datei|Neu")) );
    act1->setStatusTip(
       tr("Löscht den aktuellen Inhalt der Datei"));
    act2 = fileMenu->addAction(
                QIcon(QString("%1%2").arg(QCoreApplication::applicationDirPath()).arg("/images/folder_page_white.png")),
       tr("&Öffnen..."), this, SLOT(openFile() ),
       QKeySequence(tr("Ctrl+O", "Datei|Öffnen")));
    act2->setStatusTip(
       tr("Öffnet eine Datei in den Texteditor"));
    fileMenu->addSeparator();
    act3 = fileMenu->addAction(
                QIcon(QString("%1%2").arg(QCoreApplication::applicationDirPath()).arg("/images/cancel.png"))   ,
                tr("Be&enden"),
       qApp, SLOT(quit()),
       QKeySequence(tr("Ctrl+E", "Datei|Beenden")) );
    act3->setStatusTip(tr("Programm beenden"));
    QMenu *workMenu = new QMenu(
       tr("&Bearbeiten"), this);
    menuBar()->addMenu(workMenu);
    act4 = workMenu->addAction(
       tr("&Suchen"), this, SLOT(search()),
       QKeySequence(tr("Ctrl+S", "Bearbeiten|Suchen")));
    act4->setStatusTip(
       tr("Nach einer Stringfolge suchen") );
    // Menü mit Linie von der Leiste Abnehmbar
    fileMenu->setSeparatorsCollapsible(true);

    // Mehrere Aktionen erzeugen
    QAction* underLineAct = new QAction(
       tr("&Unterstreichen"), this );
    underLineAct->setCheckable(true);
    underLineAct->setShortcut(tr("Ctrl+U"));
    underLineAct->setStatusTip(
       tr("Text unterstreichen") );
    underLineAct->setIcon(
                QIcon(QString("%1%2").arg(QCoreApplication::applicationDirPath()).arg("/images/text_underline.png")));
    connect( underLineAct, SIGNAL(triggered(bool)),
             editor, SLOT(setFontUnderline(bool)) );

    QAction *leftAlignAct = new QAction(
       tr("&Links ausgerichtet"), this);
    leftAlignAct->setCheckable(true);
    leftAlignAct->setShortcut(tr("Ctrl+L"));
    leftAlignAct->setStatusTip(
       tr("Text links ausrichten"));
    leftAlignAct->setIcon(
                 QIcon(QString("%1%2").arg(QCoreApplication::applicationDirPath()).arg("/images/text_align_left.png")));
    connect( leftAlignAct, SIGNAL(triggered()),
             this, SLOT(leftAlignment() ) );

    QAction *rightAlignAct = new QAction(
       tr("&Rechts ausgerichtet"), this);
    rightAlignAct->setCheckable(true);
    rightAlignAct->setShortcut(tr("Ctrl+R"));
    rightAlignAct->setStatusTip(
       tr("Text rechts ausrichten") );
    rightAlignAct->setIcon(
                 QIcon(QString("%1%2").arg(QCoreApplication::applicationDirPath()).arg("/images/text_align_right.png")));
    connect( rightAlignAct, SIGNAL(triggered()),
             this, SLOT(rightAlignment() ) );

    QAction *justifyAct = new QAction(
       tr("&Bündig ausrichten"), this);
    justifyAct->setCheckable(true);
    justifyAct->setShortcut(tr("Ctrl+J"));
    justifyAct->setStatusTip(
       tr("Text bündig ausrichten"));
    justifyAct->setIcon(
                QIcon(QString("%1%2").arg(QCoreApplication::applicationDirPath()).arg("/images/text_align_justify.png")));
    connect( justifyAct, SIGNAL(triggered()),
             this, SLOT(justifyAlignment() ) );

    QAction *centerAct = new QAction(
       tr("&Zentriert ausrichten"), this);
    centerAct->setCheckable(true);
    centerAct->setShortcut(tr("Ctrl+E"));
    centerAct->setStatusTip(
       tr("Text zentriert ausrichten") );
    centerAct->setIcon(
                  QIcon(QString("%1%2").arg(QCoreApplication::applicationDirPath()).arg("/images/text_align_center.png")));
    connect( centerAct, SIGNAL(triggered()),
             this, SLOT(centerAlignment() ) );

    // Einige Aktionen zu einer Gruppe zusammenfassen
    QActionGroup* alignmentGroup = new QActionGroup(
       this );
    alignmentGroup->addAction(leftAlignAct);
    alignmentGroup->addAction(rightAlignAct);
    alignmentGroup->addAction(justifyAct);
    alignmentGroup->addAction(centerAct);
    leftAlignAct->setChecked(true);

    // Nochmals zwei weitere Aktionen
    QAction *InZoom = new QAction(
       tr("&Zoom in ..."), this );
    InZoom->setStatusTip(tr("Zoom in the text"));
    connect( InZoom, SIGNAL(triggered()),
             editor, SLOT(zoomIn() ) );
    QAction *OutZoom = new QAction(
       tr("&Zoom out ..."), this );
    OutZoom->setStatusTip(tr("Zoom out the text"));
    connect( OutZoom, SIGNAL(triggered() ),
             editor, SLOT(zoomOut() ) );

    // Ein Sub-Menü "Format" bei "Bearbeiten" einfügen
    QMenu *formatMenu = workMenu->addMenu(
       tr("&Format") );
    formatMenu->addAction(underLineAct);
    formatMenu->addSeparator();
    formatMenu->addAction(leftAlignAct);
    formatMenu->addAction(rightAlignAct);
    formatMenu->addAction(justifyAct);
    formatMenu->addAction(centerAct);
    formatMenu->addSeparator();
    formatMenu->addAction(InZoom);
    formatMenu->addAction(OutZoom);
    workMenu->setTearOffEnabled(true);
    workMenu->setWindowTitle("Bearbeiten");

    // Zur Demonstration eine Aktion mit QVariant
    Start = new QAction(tr("&Programmstart ..."), this);
    Start->setStatusTip(tr("Zeit des Programmstarts"));
    Start->setData(QVariant(QTime::currentTime()));
    QFont font; font.setBold(true);
    Start->setFont(font);
    Start->setShortcut(tr("Ctrl+T"));
    Start->setShortcutContext(Qt::ApplicationShortcut);
    connect( Start, SIGNAL( triggered() ),
             this, SLOT( printStart() ) );
    workMenu->addAction(Start);


    // Eine neue Statusleiste erzeugen und zum
    // Hauptfenster hinzufügen
    (void*) statusBar ();
    // Permanente Meldung in der Statusleiste
    // Zeichen, Wörter, Zeilen
    sLabel = new QLabel;
    sLabel->setFrameStyle(
       QFrame::Panel | QFrame::Sunken );
    sLabel->setLineWidth(2);
    statusBar()->addPermanentWidget(sLabel);
    connect( editor, SIGNAL( textChanged() ),
             this, SLOT( updateStatusBar() ) );
    updateStatusBar();
    // Laufend aktuelle Uhrzeit in der Statusleiste
    time = new QLCDNumber;
    time->setFrameStyle(QFrame::Panel | QFrame::Sunken);
    time->setLineWidth(2);
    time->setSegmentStyle(QLCDNumber::Flat);
    statusBar()->addPermanentWidget(time);
    QTimer *timer = new QTimer(this);
    connect( timer, SIGNAL(timeout()),
             this, SLOT(updateTime()) );
    // Jede Sekunde updateTime() aufrufen
    timer->start(1000);
    updateTime();

    // Werkzeugleiste erzeugen
    toolFile = addToolBar(tr("Datei"));
    // Icons mit Text darunter anzeigen
    toolFile->setToolButtonStyle (
       Qt::ToolButtonTextUnderIcon );
    // Werkzeugleiste nur nach links
    // oder oben Verschiebbar
    toolFile->setAllowedAreas(
       Qt::LeftToolBarArea | Qt::TopToolBarArea );
    // Aktionen zur Werkzeugleiste hinzufügen
    toolFile->addAction(act1);
    toolFile->addAction(act2);
    toolFile->addAction(act3);
    // Noch eine Werkzeugleiste
    toolWork = addToolBar(tr("Bearbeiten"));
    // Werkzeugleiste unten anzeigen
    addToolBar(Qt::TopToolBarArea, toolWork );
    // Position nicht mehr veränderbar
    toolWork->setMovable(false);
    // Aktionen zur Werkzeugleiste hinzufügen
    toolWork->addAction(underLineAct);
    toolWork->addSeparator ();
    toolWork->addAction(leftAlignAct);
    toolWork->addAction(rightAlignAct);
    toolWork->addAction(justifyAct);
    toolWork->addAction(centerAct);
    toolWork->addSeparator ();
    // Eine Schrift-Combobox zur Werkzeugleiste
    QFontComboBox *cFont = new QFontComboBox;
    toolWork->addWidget(cFont);
    connect(
      cFont, SIGNAL( currentFontChanged(const QFont& )),
      editor, SLOT(setCurrentFont ( const QFont&) ) );

    // Ein neues Dock-Widget-erzeugen
    QDockWidget *dock = new QDockWidget(
       tr("WYSIWYG-Editor"), this );
    // nur in den rechten und linken Bereich erlauben
    dock->setAllowedAreas(
       Qt::LeftDockWidgetArea|Qt::RightDockWidgetArea);
    // Widget für das Dock-Widget erzeugen
    dock_editor = new QTextEdit;
    // Editor als Widget im Dock-Fenster verwenden
    dock->setWidget(dock_editor);
    // auf der rechten Seite zum Hauptfenster hinzufügen
    addDockWidget(Qt::RightDockWidgetArea, dock);
    connect( editor, SIGNAL(textChanged() ),
             this, SLOT( showHTML() ) );

    // Einstellungen des Programms speichern
    // Im Beispiel wird nur (ggf.) die zuletzt
    // geöffnete Datei und die Größe des Fensters
    settings = new QSettings(
       tr("J.Wolf"), tr("JWTexteditor") );
    settings->beginGroup("HauptFenster");
    QString fileName =
       settings->value("lastFile").toString();
    QSize size =
       settings->value("size", sizeHint()).toSize();
    if (!fileName.isEmpty()) {
       QFile file(fileName);
       if (file.open(QFile::ReadOnly | QFile::Text)) {
          editor->setPlainText(file.readAll());
          statusBar()->showMessage(
             tr("Zuletzt geöffnete Datei "
                "erfolgreich geladen"));
          // Wieder setzen
          settings->setValue("lastFile", fileName );
       }
       else // falls die Datei nicht mehr existiert
          settings->setValue("lastFile", "");
    }
    else // Keine Datei gesetzt
       settings->setValue("lastFile", "");
    settings->endGroup();

    if( size.isNull() )
       resize(640, 480);
    else
       resize(size);
    setCentralWidget(editor);
    setWindowTitle("QMainWindow - Demo");
}