ADD.: added calc forms and its logic.

David Júnior · David Júnior · commit d5a00c8f24c2 · 2021-07-10T11:09:33.000-03:00
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,73 @@
+# This file is used to ignore files which are generated
+# ----------------------------------------------------------------------------
+
+*~
+*.autosave
+*.a
+*.core
+*.moc
+*.o
+*.obj
+*.orig
+*.rej
+*.so
+*.so.*
+*_pch.h.cpp
+*_resource.rc
+*.qm
+.#*
+*.*#
+core
+!core/
+tags
+.DS_Store
+.directory
+*.debug
+Makefile*
+*.prl
+*.app
+moc_*.cpp
+ui_*.h
+qrc_*.cpp
+Thumbs.db
+*.res
+*.rc
+/.qmake.cache
+/.qmake.stash
+
+# qtcreator generated files
+*.pro.user*
+
+# xemacs temporary files
+*.flc
+
+# Vim temporary files
+.*.swp
+
+# Visual Studio generated files
+*.ib_pdb_index
+*.idb
+*.ilk
+*.pdb
+*.sln
+*.suo
+*.vcproj
+*vcproj.*.*.user
+*.ncb
+*.sdf
+*.opensdf
+*.vcxproj
+*vcxproj.*
+
+# MinGW generated files
+*.Debug
+*.Release
+
+# Python byte code
+*.pyc
+
+# Binaries
+# --------
+*.dll
+*.exe
+
diff --git a/Calc.pro b/Calc.pro
@@ -0,0 +1,29 @@
+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 \
+    mainwindow.cpp
+
+HEADERS += \
+    mainwindow.h
+
+FORMS += \
+    mainwindow.ui
+
+TRANSLATIONS += \
+    Calc_pt_BR.ts
+CONFIG += lrelease
+CONFIG += embed_translations
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target
diff --git a/Calc_pt_BR.ts b/Calc_pt_BR.ts
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE TS>
+<TS version="2.1" language="pt_BR"></TS>
diff --git a/main.cpp b/main.cpp
@@ -0,0 +1,40 @@
+#include "mainwindow.h"
+
+#include <QApplication>
+#include <QLocale>
+#include <QTranslator>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+
+    QTranslator translator;
+    const QStringList uiLanguages = QLocale::system().uiLanguages();
+    for (const QString &locale : uiLanguages) {
+        const QString baseName = "Calc_" + QLocale(locale).name();
+        if (translator.load(":/i18n/" + baseName)) {
+            a.installTranslator(&translator);
+            break;
+        }
+    }
+    MainWindow w;
+
+    w.setWindowState(
+                w.windowState() &
+                (~Qt::WindowMaximized | Qt::WindowActive)
+    );
+
+    Qt::WindowFlags windowFlags = (Qt::Dialog | Qt::CustomizeWindowHint);
+
+    if (true) {
+        windowFlags |= Qt::WindowCloseButtonHint;
+    } else {
+        windowFlags |= Qt::WindowMinimizeButtonHint;
+        windowFlags |= Qt::WindowCloseButtonHint;
+    }
+
+    w.setWindowFlags(windowFlags);
+
+    w.show();
+    return a.exec();
+}
diff --git a/mainwindow.cpp b/mainwindow.cpp
@@ -0,0 +1,244 @@
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+#include <QRegularExpression>
+#include <QMessageBox>
+
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent)
+    , ui(new Ui::MainWindow)
+{
+    ui->setupUi(this);
+}
+
+MainWindow::~MainWindow()
+{
+    delete ui;
+}
+
+void MainWindow::makeOperations(bool percent = false)
+{
+    const QString msg = "Não é possível realizar divisão por 0!";
+    if(!percent) {
+        if(data[OPER] == "+")
+            // Sum
+            result = QString::number(data[NUM1].toDouble() + data[NUM2].toDouble());
+        else if (data[OPER] == "-")
+            // Sub
+            result = QString::number(data[NUM1].toDouble() - data[NUM2].toDouble());
+        else if (data[OPER] == "x" && !percent)
+            // Mult
+            result = QString::number(data[NUM1].toDouble() * data[NUM2].toDouble());
+        else if (data[OPER] == ":" && data[NUM2] != "0")
+            // Div
+            result = QString::number(data[NUM1].toDouble() / data[NUM2].toDouble());
+        else if (data[OPER] == ":" && data[NUM2] == "0") {
+            QMessageBox msgBox;
+            msgBox.setInformativeText(msg);
+            msgBox.exec();
+            data[NUM2] = "";
+            return;
+        }
+    } else {
+        if (data[OPER] == "x")
+            // Percent
+            result = QString::number(data[NUM1].toDouble() * data[NUM2].toDouble() / 100);
+        else if (data[OPER] == "+")
+            result = QString::number(data[NUM1].toDouble() * data[NUM2].toDouble() / 100 + data[NUM1].toDouble());
+        else if (data[OPER] == "-")
+            result = QString::number((data[NUM1].toDouble() * data[NUM2].toDouble() / 100 - data[NUM1].toDouble()) * -1);
+        else if (data[OPER] == ":")
+            result = QString::number(data[NUM1].toDouble() / (data[NUM1].toDouble() * data[NUM2].toDouble() / 100));
+    }
+
+    // writeLcd
+    writeInLcd();
+}
+
+void MainWindow::writeInLcd()
+{
+    if(data[OPER] == "")
+        ui->lcdNumber->display(data[NUM1]);
+    else if(data[OPER] != "" && result == "")
+        ui->lcdNumber->display(data[NUM2]);
+    else
+        ui->lcdNumber->display(result);
+}
+
+void MainWindow::manageTmpData(QString _data)
+{
+    if(result != "") {
+        result = "";
+        data[NUM1] = "";
+        data[OPER] = "";
+        data[NUM2] = "";
+    }
+
+    // Regex to check operator.
+    QRegularExpression oper("^\\+|\\-|x|\\:$");
+
+    // Match regex to operator data.
+    QRegularExpressionMatch operMatch = oper.match(_data);
+
+    if(operMatch.hasMatch() && data[NUM1] != "") {
+        data[OPER] = _data;
+        tmpData = "";
+        return;
+    }
+
+    // Regex to check digit values.
+    QRegularExpression digit("^\\d$");
+
+    // Match regex to digit data.
+    QRegularExpressionMatch mdig = digit.match(_data);
+
+    // If matched append the _data value into tmpData.
+    if(mdig.hasMatch()){
+        tmpData += _data;
+    } else {
+        // Regex to find dot into tmpData.
+        QRegularExpression dot("^\\d+\\.\\d{0,}$");
+        // Match regex to dot data.
+        QRegularExpressionMatch mdot = dot.match(tmpData);
+
+        // If dot not found then add the dot value into tmpData.
+        if(!mdot.hasMatch() && !operMatch.hasMatch() && _data != "=" && _data != "%") {
+            tmpData += _data;
+        }
+    }
+
+    // If operator space in data array is empty.
+    if(data[OPER] == "") {
+        // Clean data position 0
+        data[NUM1] = "";
+        // attribute tmpData into data position 0 as number.
+        data[NUM1] = tmpData;
+    } else if(!operMatch.hasMatch() && _data != "=" && _data != "%") { // if operator space was setted.
+        data[NUM2] = "";
+        data[NUM2] = tmpData;
+    }
+
+    if(_data == "=") {
+        makeOperations(false);
+        data[NUM1] = result;
+        result = "";
+        data[OPER] = "";
+        data[NUM2] = "";
+        tmpData = "";
+    } else if(_data == "%") {
+         makeOperations(true);
+         data[NUM1] = result;
+         result = "";
+         data[OPER] = "";
+         data[NUM2] = "";
+         tmpData = "";
+    } else {
+        writeInLcd();
+    }
+}
+
+
+void MainWindow::on_pb_clean_clicked()
+{
+    result = "";
+    data[NUM1] = "";
+    data[OPER] = "";
+    data[NUM2] = "";
+    tmpData = "";
+    ui->lcdNumber->display("0");
+}
+
+void MainWindow::on_pb_equal_clicked()
+{
+    manageTmpData("=");
+}
+
+void MainWindow::on_pb_dot_clicked()
+{
+//    tmpData += ".";
+    manageTmpData(".");
+}
+
+void MainWindow::on_pb_0_clicked()
+{
+//    tmpData += "0";
+    manageTmpData("0");
+}
+
+void MainWindow::on_pb_1_clicked()
+{
+//    tmpData += "1";
+    manageTmpData("1");
+}
+
+void MainWindow::on_pb_2_clicked()
+{
+//    tmpData += "2";
+    manageTmpData("2");
+}
+
+void MainWindow::on_pb_3_clicked()
+{
+//    tmpData += "3";
+    manageTmpData("3");
+}
+
+void MainWindow::on_pb_4_clicked()
+{
+//    tmpData += "4";
+    manageTmpData("4");
+}
+
+void MainWindow::on_pb_5_clicked()
+{
+//    tmpData += "5";
+    manageTmpData("5");
+}
+
+void MainWindow::on_pb_6_clicked()
+{
+//    tmpData += "6";
+    manageTmpData("6");
+}
+
+void MainWindow::on_pb_7_clicked()
+{
+//    tmpData += "7";
+    manageTmpData("7");
+}
+
+void MainWindow::on_pb_8_clicked()
+{
+//    tmpData += "8";
+    manageTmpData("8");
+}
+
+void MainWindow::on_pb_9_clicked()
+{
+//    tmpData += "9";
+    manageTmpData("9");
+}
+
+void MainWindow::on_pb_sum_clicked()
+{
+    manageTmpData("+");
+}
+
+void MainWindow::on_pb_sub_clicked()
+{
+    manageTmpData("-");
+}
+
+void MainWindow::on_pb_mult_clicked()
+{
+    manageTmpData("x");
+}
+
+void MainWindow::on_pb_div_clicked()
+{
+    manageTmpData(":");
+}
+
+void MainWindow::on_pb_percent_clicked()
+{
+    manageTmpData("%");
+}
diff --git a/mainwindow.h b/mainwindow.h
diff --git a/mainwindow.ui b/mainwindow.ui

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+<?xml version="1.0" encoding="utf-8"?>`
	`2`	`+<!DOCTYPE TS>`
	`3`	`+<TS version="2.1" language="pt_BR"></TS>`