Unsolved Unable to make a dialog modal and within bounds of GUI

[Dummie1138]

Hi. I have the following code.

cupcalibration.cpp (parent)

CupCalibration::CupCalibration(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::CupCalibration)
{
    setWindowFlags(Qt::FramelessWindowHint| Qt::WindowSystemMenuHint);
    ui->setupUi(this);
    this->move(0, 0);

    MultiPointCalibration mpCal((QWidget*)this);
    mpCal.setScreenTitle(tr("Sample Temp Cup"));

    mpCal.setInitialValues(QList<double>() << 20.0  << 40.0 << 60.0);
    mpCal.setUnits(QString(QChar(0260)) + "C");
    //mpCal.setModal(true);
    //mpCal.setParent(this);

    mpCal.setManualMode("Set the water bath to %1");
    mpCal.setWindowFlags(Qt::Dialog | Qt::FramelessWindowHint| Qt::WindowSystemMenuHint);

    mpCal.exec();
}

multipointcalibration.cpp

#define CUSTOM_SETUP_UI ui->setupUi(getMainContentWidget());resizeBaseUI();QMetaObject::connectSlotsByName(this);

MultiPointCalibration::MultiPointCalibration(QWidget *parent) :
    CustomQtDialog(parent),
    ui(new Ui::MultiPointCalibration)
{
    CUSTOM_SETUP_UI;
    ui->setupUi(this);
    this->move(200, 100);
    this->setWindowFlags(Qt::Dialog | Qt::WindowSystemMenuHint | Qt::FramelessWindowHint);
    decimalPlaces = 1;
    connect(ui->listWidget, SIGNAL(editClicked()), this, SLOT(editListItem()));
    connect(ui->listWidget, SIGNAL(deleteClicked()), this, SLOT(deleteListItem()));


//    // primary buttons
    setupButton(BACK_BUTTON, POSITION1);
    startButton = setupButton(START_BUTTON, POSITION4);

//    // secondary buttons
    setupButton(ABORT_BUTTON, POSITION5);

//    // saveButton is first of all a next button (dont need to set the text here, it will be set later when we run setupMainScreen)
    saveButton = setupButton(CUSTOM_BUTTON, POSITION8);

    setPointMode = NORMAL_MODE;
    verificationMode = false;

    setDataLabels(tr("Value"));
    setUnits("");
    setWindowFlags(Qt::Dialog | Qt::FramelessWindowHint| Qt::WindowSystemMenuHint);
    // set these as initial values
    ui->stackedWidget->setCurrentIndex(PAGE_SELECT);
    ui->inProgressStackedWidget->setCurrentIndex(IN_PROGRESS_WAITING);
    ui->statusStackedWidget->setCurrentIndex(IN_PROGRESS_WAITING);

    ui->referenceEntry->installEventFilter(this);

    machine = new QStateMachine(this);
    QState* select = new QState(machine);
    QState* mainScreen = new QState(machine);
    QState* running = new QState(mainScreen);
    QState* workOutNextPoint = new QState(running);
    QState* aimingForPoint = new QState(running);
    QState* skippedUserEntersMeasured = new QState(running);
    QState* userEntersMeasured = new QState(running);
    QState* calculateStraightLine = new QState(mainScreen);
    QState* readyForSave = new QState(mainScreen);

    machine->setInitialState(select);
    connect(select, SIGNAL(entered()), this, SLOT(showPrimaryButtons()));
    select->addTransition(startButton, SIGNAL(clicked()), workOutNextPoint);
    select->assignProperty(ui->stackedWidget, "currentIndex", 0);
    select->assignProperty(this, "statusBarProgress", 0);
    select->assignProperty(this, "statusBarMessage", tr("Select points"));
    select->assignProperty(startButton, "enabled", true);

    machine->start();
}

multipointclaibration.h

#ifndef MULTIPOINTCALIBRATION_H
#define MULTIPOINTCALIBRATION_H

#include <QDateTime>

#include "CustomQtDialog/Customqtdialog.h"
#include "stabilitycriteria.h"

class QStateMachine;
class QState;

namespace Ui {
class MultiPointCalibration;
}

struct CalibrationInfo {
    QDateTime date;

    struct CalibrationPoint {
        double internal;
        double reference;
    };

    QList<CalibrationPoint> calibrationPoints;

    double m;
    double c;
};

class MultiPointCalibration : public CustomQtDialog
{
    Q_OBJECT
    
public:
    explicit MultiPointCalibration(QWidget *parent = 0);
    ~MultiPointCalibration();

    bool eventFilter(QObject *obj, QEvent *event);

    // set as manual mode - don't set the set point, instead tell the user to set the value of their apparatus to the appropriate setting
    void setManualMode(QString manualModeMessage);

    // set as resistance mode - don't set the set point, instead tell the user to change the resistors over
    void setResistanceMode(QString resistanceModeMessage);

    // set as verification mode - this affects the last page and the saving only - show each point and the acceptable variation - this mode should work in conjuction with the other modes
    void setVerificationMode(double allowableVariation);

    void setInitialValues(QList<double> values, int minimumPoints = 2);

    void setStabilityCriteria(StabilityCriteria criteria);

    void setUnits(QString units);

    // this is the text that will be applied to the labels that show the data
    // e.g. for a temperature calibration set this as "Temperature"
    void setDataLabels(QString dataLabels);

    void setDecimalPlaces(int decimalPlaces);


protected:
    virtual bool savePressed();

    virtual QString getAbortMessage() { return tr("Are you sure you want to abort this calibration?"); }
    
private slots:
    void internalMeaurementReceived(double liveMeasurement);

    // setup the main calibration screen
    void setupMainScreen();

    // decide what the next point is (if any)
    void workOutNextPoint();

    // start sending the hardware to the next point
    void setupAim();

    // calculate the best fit straightline between all the points
    void calculateStraightline();

    void on_addButton_clicked();

    // one of the list items has been requested to be edited
    void editListItem();

    void deleteListItem();

signals:
    void nextPointReady();
    void allPointsComplete();

    void readingsStable();
    void mathsComplete();

    void pointEdited();

    // this is to be handled externally to set the set point
    void requestSetPoint(double setPoint);


    // handle this in the code to capture the calibration info to be saved
    void calibrationToSave(CalibrationInfo info);
private:
    Ui::MultiPointCalibration *ui;

    enum SetPointMode {
        NORMAL_MODE, MANUAL_MODE, RESISTANCE_MODE
    } setPointMode;

    QString setPointModeMessage;

    bool verificationMode;
    double verAllowableDifference;

    QString units;
    StabilityCriteria criteria;
    int decimalPlaces;
    int minimumPoints;

    QStateMachine* machine;
    QState* waitingForNextStates[2];

    CalibrationInfo calibrationInfo;

    QPushButton* startButton;
    QPushButton* saveButton;

    int currentStage;
    QList<double> stages;

    double lastMeasurement;
};

#endif // MULTIPOINTCALIBRATION_H

customQtDialog.cpp

#define CUSTOM_SETUP_UI ui->setupUi(getMainContentWidget());resizeBaseUI();QMetaObject::connectSlotsByName(this);


CustomQtDialog::CustomQtDialog(QWidget *parent) :
    QDialog(parent),
    baseui(new Ui::CustomQtDialog)
{
    baseui->setupUi(this);

    //originalBaseUiSize = baseui->mainContents->size();

 //   this->move(0, 0);

    this->setWindowFlags(Qt::Dialog |Qt::WindowSystemMenuHint |Qt::FramelessWindowHint);
    qDebug() << this->windowFlags();

    // setup default settings handler for this screen - can be changed later by individual screens
    setupSettingsHandler(Settings::get());

    primaryButtonsVisible = true;

    // keep a reference of the buttons from the ui file as an easy way to access them
    buttons[0] = baseui->button1;
    buttons[1] = baseui->button2;
    buttons[2] = baseui->button3;
    buttons[3] = baseui->button4;

    // for the secondary buttons, make them as duplicates of the primary ones
    for (int i = 0; i < 4; i++) {
        buttons[i + 4] = new QPushButton(this);
        buttons[i + 4]->setGeometry(buttons[i]->geometry());
        buttonsShown[i] = false;
    }

    for (int i = 0; i < 8; i++)
        buttons[i]->hide();

    statusBarTempTimeout = new QTimer(this);
    statusBarTempTimeout->setSingleShot(true);
    connect(statusBarTempTimeout, SIGNAL(timeout()), this, SLOT(resetStatusBarText()));
    permanentStatusBarText = "";

    QFile stylesheetFile(":/stylesheet/stylesheet.css");
    if (stylesheetFile.open(QFile::ReadOnly))
        this->setStyleSheet(stylesheetFile.readAll());
    else
        qDebug() << "ERROR - Cannot open stylesheet.css from genericresources.qrc";

    slidePanels = 0;

}

What I expect this file to do is to activate a new object (which acts as a page), and for it to be a modal windows, as part of the previously existing windows. However, this object is being created outside of the preexisting windows, despite me setting the flags at
mpCal.setWindowFlags(Qt::Dialog | Qt::FramelessWindowHint| Qt::WindowSystemMenuHint);" in cupcalibration.cpp and multipointcalibration.cpp.

I am unsure how to proceed. Other posts suggest assessing issues with the parent and child relations between the objects but I was unable to understand any difference in flags used between the post and my code.

I have also tried to move the object around using this->move(200, 100);. It has worked, though doesn't directly help much. Please let me know if more information is required.

[SGaist]

Hi,

What is your goal with opening a dialog in a widget constructor ?