MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent)
{
label = new QLabel("0", this);
label -> setGeometry(QRect(QPoint(50,70),QSize(250,50)));
label->setStyleSheet("background-color: rgb(221,160,221); font: bold 14px;");
label->setAlignment(Qt::AlignCenter);
for(int i =0; i<10; i++){
QString operations[] = {"C","=","+","-","*","/","^","root","sqrt","+-"};
operationButton[i] = new QPushButton(operations[i],this);
if(i == 1){
connect(operationButton[i],SIGNAL(released()),this, SLOT(equals()));
}
else if(i == 9){
connect(operationButton[i],SIGNAL(released()),this, SLOT(signf()));
}
else{
connect(operationButton[i],SIGNAL(released()),this, SLOT(operationPushed()));
}
}
for(int i =0; i<10; i++){
QString digit = QString::number(i);
buttons[i] = new QPushButton(digit,this);
connect(buttons[i],SIGNAL(released()),this, SLOT(buttonPushed()));
}
setGeo();
}
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent)
{
title = new QLabel("Calculator",this);
title -> setGeometry(QRect(QPoint(100,25),QSize(200,50)));
label = new QLabel("0",this);
label -> setGeometry(QRect(QPoint(50,50),QSize(200,50)));
QString inStr = "Input Path";
inputPath = new QLineEdit(inStr,this);
inputPath -> setGeometry(QRect(QPoint(25,375),QSize(250,50)));
inputPath -> hide();
QString outStr = "Output Path";
outputPath = new QLineEdit(outStr,this);
outputPath -> setGeometry(QRect(QPoint(25,450),QSize(250,50)));
outputPath -> hide();
submitButton = new QPushButton("Submit",this);
connect(submitButton,SIGNAL(released()),this,SLOT(submitPath()));
submitButton -> setGeometry(QRect(QPoint(100,525),QSize(100,50)));
submitButton -> hide();
filePath = new QPushButton("Open",this);
connect(filePath,SIGNAL(released()),this,SLOT(fileOpeAppear()));
hideFilePath = new QPushButton("Close",this);
connect(hideFilePath,SIGNAL(released()),this,SLOT(fileOpeDisappear()));
backspace = new QPushButton("backspace",this);
connect(backspace,SIGNAL(released()),this,SLOT(BackSpace()));
operationButton[0] = new QPushButton("=",this);
connect(operationButton[0],SIGNAL(released()),this,SLOT(equals()));
operationButton[1] = new QPushButton("Esc",this);
connect(operationButton[1],SIGNAL(released()),this,SLOT(clear()));
for (int i = 2; i<10; i++) {
QString operations[] = {"=","ESC","+","-","×","÷","(",")",".","^"};
operationButton[i] = new QPushButton(operations[i],this);
connect(operationButton[i],SIGNAL(released()),this,SLOT(operationPushed()));
}
for (int i = 0; i<10; i++) {
QString digit = QString::number(i);
buttons[i] = new QPushButton(digit,this);
connect(buttons[i],SIGNAL(released()),this,SLOT(buttonPushed()));
}
setGeo();
}
MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
{
label = new QLabel("0", this);
label->setGeometry(QRect(QPoint(4 * cell_size, cell_size), QSize(4 * cell_size, cell_size)));
for (size_t i = 0; i < sizeof(operations)/sizeof(QPushButton *); i++)
{
QString oper[] = {"C", "=", "+", "-", "*", "/"};
operations[i] = new QPushButton(oper[i], this);
if (oper[i] == "="){
connect(operations[i], SIGNAL(released()), this, SLOT(equals()));
}else{
connect(operations[i], SIGNAL(released()), this, SLOT(operationPushed()));
}
}
for (size_t i = 0; i < sizeof(buttons)/sizeof(QPushButton *); i++)
{
QString digit = QString::number(i);
buttons[i] = new QPushButton(digit, this);
connect(buttons[i], SIGNAL(released()), this, SLOT(buttonPushed()));
}
setGeo();
}
