Login Password project

(Gui Programming)

1. LoginPassword.pro

QT       += core gui

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

CONFIG += c++11

# You can make your code fail to compile if it uses deprecated APIs.

# In order to do so, uncomment the following line.

#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    

# disables all the APIs deprecated before Qt 6.0.0

SOURCES += \

    main.cpp \

    secDialog.cpp \

    widget.cpp

HEADERS += \

    secDialog.h \

    widget.h

# Default rules for deployment.

qnx: target.path = /tmp/$${TARGET}/bin

else: unix:!android: target.path = /opt/$${TARGET}/bin

!isEmpty(target.path): INSTALLS += target

2. Headers - widget.h

#ifndef WIDGET_H

#define WIDGET_H

#include <QWidget>

#include <QLineEdit>

#include <QPushButton>

#include"secDialog.h"

class Widget : public QWidget

{

    Q_OBJECT  //macros object

public:

    Widget(QWidget * parent = 0);

private slots:

    void onPushButtonLoginClicked();

    void onQuitMessage();

private:

    QLineEdit *username;

    QLineEdit *password;

    QPushButton *login;

    QPushButton *cancel;

};

#endif // WIDGET_H

3. Headers - secDialog.h

#ifndef SECDIALOG_H

#define SECDIALOG_H

#include <QDialog>

#include <QTextEdit>

#include <QLabel>

class secDialog : public QDialog

{

    Q_OBJECT

public:

     secDialog();

private:

    QLabel *text;

};

#endif // SECDIALOG_H

4. Sources - main.cpp

#include "widget.h"

#include <QApplication>

int main(int argc, char *argv[])

{

    QApplication a(argc, argv);

    Widget w;

    w.show();

    w.setWindowTitle("Login");

    return a.exec();

}

5. Sources - widget.cpp

#include "widget.h"

#include <QVBoxLayout>

#include <QMessageBox>

Widget::Widget(QWidget * parent) : QWidget(parent)

{

    username = new QLineEdit();

    username->setStyleSheet("color : rgb(140, 0, 140, 250)}");

    username -> setPlaceholderText("Username");

    password = new QLineEdit();

    password->setEchoMode(QLineEdit::Password);

    password->setStyleSheet("color : rgb(150, 0, 150, 250)}");

    password -> setPlaceholderText("Password");

    login = new QPushButton("Login");

    cancel = new QPushButton ("Close");

    QVBoxLayout * lyt = new QVBoxLayout(this);

    lyt->addWidget(username);

    lyt->addWidget(password);

    lyt->addWidget(login);

    lyt->addWidget(cancel);

    setLayout(lyt);

    connect(login, SIGNAL(clicked()), this,

 SLOT(onPushButtonLoginClicked()));

    connect(cancel, SIGNAL(clicked()), this, SLOT(onQuitMessage()));

    setFixedWidth(225);

    setFixedHeight(150);

}

void Widget::onPushButtonLoginClicked()

{

    QString userText = username->text();

    QString passwordText = password ->text();

    if(userText == "gui" && passwordText == "programming")  

    {

                close();  //username, password window is closing

                secDialog secdialog;

                secdialog.setModal(true);   //main page

                secdialog.exec();

    }

    else

    {

     QMessageBox::warning(this,"Login",

                          "Username and password is not correct");

    }

}

void Widget::onQuitMessage()

  {

    int o = QMessageBox::question(this, "Exit", "Are u sure to exit?",

                                  QMessageBox::Yes, QMessageBox::No);

    if (o == QMessageBox::Yes)

    {

      this->close();

    }

   }

6. Sources - secDialog.cpp

#include "secDialog.h"

#include <QVBoxLayout>

secDialog::secDialog()

{

    setFixedWidth(225);   //laynutyuny fix

    setFixedHeight(150);

    text = new QLabel("This is your page");

    text->setStyleSheet("color : rgb(238, 130, 238, 255)}");

    QVBoxLayout *vlyt = new QVBoxLayout();

    vlyt->addWidget(text);

    setLayout(vlyt);

}

Result:

Todolist project

ToDoList project (Gui Programming)

1. ToDoList.pro

QT       += core gui

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

CONFIG += c++11

# You can make your code fail to compile if it uses deprecated APIs.

# In order to do so, uncomment the following line.

#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    

# disables all the APIs deprecated before Qt 6.0.0

SOURCES += \

    main.cpp \

    todolist.cpp

HEADERS += \

    todolist.h

# Default rules for deployment.

qnx: target.path = /tmp/$${TARGET}/bin

else: unix:!android: target.path = /opt/$${TARGET}/bin

!isEmpty(target.path): INSTALLS += target

RESOURCES += \

    images.qrc

2. Header - todolist.h

#ifndef CTODOLIST_H

#define CTODOLIST_H

#include <QMainWindow>

#include <QListView>

#include <QStringListModel>

#include <QPushButton>

class CToDoList : public QMainWindow

{

    Q_OBJECT

public:

    CToDoList(QWidget *parent = 0);

private slots:

        void onAddPressed();

        void onRemovePressed();

        void onDreamButtonPressed();

private:

    QListView * leftList = 0;

    QListView * rightList = 0;

    QAction * add = 0;

    QAction * remove = 0;

    QPushButton * dreamButton =0;

};

#endif // CTODOLIST_H

3. Sources - main.cpp

#include "todolist.h"

#include <QApplication>

#include<QSplashScreen>

#include<QTimer>

int main(int argc, char *argv[])

{

    QApplication a(argc, argv);

    CToDoList w;

    w.show();

    w.setWindowTitle("My To Do List");

    QSplashScreen * splash = new QSplashScreen;

    splash ->setPixmap(QPixmap(":/icon/listpic.jpg"));

    splash ->show();

    QTimer::singleShot(2000, splash, SLOT(close()));

    QTimer::singleShot(2000, &w, SLOT(show()));

    return a.exec();

}

4. Sources - todolist.cpp

#include "todolist.h"

#include <QLabel>

#include <QToolBar>

#include <QBoxLayout>

#include <QPushButton>

#include <QStatusBar>

CToDoList::CToDoList(QWidget *parent)

    : QMainWindow(parent)

{

    move(411, 200);

    QWidget * allWindow = new QWidget(this);

    allWindow->setStyleSheet("background-color: AntiqueWhite");

    setCentralWidget(allWindow);

    QLabel * lblTitle = new QLabel("To Do List", this);

    lblTitle->setStyleSheet("font-size: 37px;");

    lblTitle->setAlignment(Qt::AlignCenter);

    QLabel * lPending = new QLabel("pending", this);

    lPending->setStyleSheet("font-size: 20px; font: bold;");

    QLabel * lCompleted = new QLabel("Completed", this);

    lCompleted->setStyleSheet("font-size: 20px; font: bold;");

//**********************************Button*****************************//

    dreamButton = new QPushButton("Motivation button");

    connect(dreamButton, SIGNAL(clicked()),

 this, SLOT(onDreamButtonPressed()));

//**********************************QListView**************************//

    leftList = new QListView(this);

    leftList-> setDragEnabled(true);   //take a line

    leftList-> setAcceptDrops(true); // line from right to left

    leftList->setDefaultDropAction(Qt::MoveAction);

    rightList = new QListView(this);

    rightList-> setDragEnabled(true);

    rightList-> setAcceptDrops(true);

    rightList->setDefaultDropAction(Qt::MoveAction);

//************************(leftList,rightList) ListViews styles********//

     leftList->setStyleSheet(

                 "QListView {font-size: 25px; font: italic;}"

                 "QListView::item {background-color: tomato;"

                 "border: 1px solid black;}"

                 "QListView::item::hover {background-color: grey}"

                         );

     rightList->setStyleSheet(

                   "QListView {font-size: 25px; font: italic;}"

                   "QListView::item {background-color: #2ECC71;"

                   "border: 1px solid black;}"

                   "QListView::item::hover {background-color: grey}"

                              );

        leftList->setModel(new QStringListModel());

        rightList->setModel(new QStringListModel());

//**********************************Layouts****************************//

    QVBoxLayout * lyt = new QVBoxLayout();

    QHBoxLayout * hlyt = new QHBoxLayout();

    QHBoxLayout * listLayout = new QHBoxLayout();

    lyt->addWidget(lblTitle);

    hlyt->addWidget(lPending);

    hlyt->addWidget(lCompleted);

    lyt->addWidget(dreamButton);

    listLayout->addWidget(leftList);

    listLayout->addWidget(rightList);

    allWindow->setLayout(lyt);

    lyt->addLayout(hlyt);

    lyt->addLayout(listLayout);

//**********************************QAction (icons)********************//

     QToolBar * pToolBar = new QToolBar(this);

     addToolBar(pToolBar);

     add = new QAction(this);

     remove = new QAction(this);

     add->setIcon(QIcon(":/icon/add.png"));

     remove->setIcon(QIcon(":/icon/delete.png"));

     connect(add, SIGNAL(triggered()), this, SLOT(onAddPressed()));

     connect(remove, &QAction::triggered,

 this, &CToDoList::onRemovePressed); //right

     pToolBar->addAction(add);

     pToolBar->addAction(remove);

}

//**********************************Functions**************************//

     void CToDoList::onAddPressed()

     {

        leftList->model()->insertRow(leftList->model()->rowCount());

        QModelIndex Getindex = leftList->model()->index(leftList->

model()->rowCount() -1,0);

        leftList->edit(Getindex);

     }

     void CToDoList::onRemovePressed()

     {

        QModelIndex yntacikTox = leftList->currentIndex();

        leftList->model()->removeRow(yntacikTox.row());

     }

      void CToDoList::onDreamButtonPressed()

     {

         statusBar()->showMessage(" Believe in yourself!", 2000);

     }

5. Resources - images.qrc - /icon

Result: