Some improvements

.gitignore

@@ -1 +1,2 @@
 /*.user
+build/*

MainWindow.cpp

@@ -17,73 +17,107 @@
 #include "ui_MainWindow.h"
 
 #include <QMouseEvent>
+#include <QFileDialog>
+#include <QTextStream>
+#include <QDebug>
 
 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
     , ui(new Ui::MainWindow)
 {
     ui->setupUi(this);
-
-    initPieMenu();
-
-    QObject::connect(ui->button_count_slider, &QSlider::sliderMoved, this, [&](int32_t pos)
-    {
-        pie_menu->setButtonCount(pos);
-
-        for (int32_t i = 0; i < pos; i++)
-        {
-            pie_menu->setButtonIcon(i, ":/icons/image-line-icon.png");
-        }
-
-        pie_menu->update();
-
-        ui->button_count_label->setText(QString::number(pos));
+    this->setWindowTitle(this -> windowTitle().append(". QT version ").append(qVersion()));
+    //
+    /** button count */
+    QObject::connect(ui->button_count_slider, &QSlider::valueChanged, this, [&](int32_t pos) {
+                       pie_menu->setButtonCount(pos);
+
+                       for (int32_t i = 0; i < pos; i++) {
+                           pie_menu->setButtonIcon(i, ":/icons/image-line-icon.png");
+                       }
+
+                       pie_menu->update();
+                       ui->button_count_label->setText(QString::number(pos));
+                   });
+    /** Base angle */
+    QObject::connect(ui->base_angle_slider, &QSlider::valueChanged, this, [&](int32_t pos) {
+                         pie_menu->setBaseAngle(pos);
+                         pie_menu->update();
+                         ui->base_angle_label->setText(QString::number(pos));
+                     });
+
+    /** Stroke width */
+    QObject::connect(ui->stroke_width_slider, &QSlider::valueChanged, this, [&](int32_t pos) {
+                         pie_menu->setStrokeWidth(pos);
+                         pie_menu->update();
+                         ui->stroke_width_slider->setValue(pos);
+                         ui->stroke_width_label->setText(QString("%0 px").arg(QString::number(pos)));
+                     });
+    /** Close button radius */
+    QObject::connect(ui->close_radius_slider, &QSlider::valueChanged, this, [&](int32_t pos) {
+                         pie_menu->setCloseButtonRadius(pos);
+                         pie_menu->update();
+                         ui->close_radius_slider->setValue(pos);
+                         ui->close_button_radius_label->setText(QString("%0 px").arg(QString::number(pos)));
+                     });
+    /** Pin button radius */
+    QObject::connect(ui->pin_radius_slider, &QSlider::valueChanged, this, [&](int32_t pos) {
+                         pie_menu->setPinButtonRadius(pos);
+                         pie_menu->update();
+                         ui->pin_radius_slider->setValue(pos);
+                         ui->pin_button_radius_label->setText(QString("%0 px").arg(QString::number(pos)));
+                     });
+    /** Checkboxes */
+    QObject::connect(ui->disable_button_checkbox, &QCheckBox::clicked, this, [&](bool value)                   {
+                         pie_menu->setButtonEnabled(0, !value);
+                         pie_menu->update();
+                     });
+    /** Aleternative */
+    QObject::connect(ui->alternate_colors_checkbox, &QCheckBox::clicked, this, [&](bool value)  {
+         pie_menu->setAlternateColors(value);
+         pie_menu->update();
     });
-
-    QObject::connect(ui->base_angle_slider, &QSlider::sliderMoved, this, [&](int32_t pos)
-    {
-        pie_menu->setBaseAngle(pos);
+    /** Close button as a regular button */
+    QObject::connect(ui->closeButtonAsAction, &QCheckBox::clicked, this, [&](bool value)  {
+        pie_menu->setCloseButtonAsRegularButton(value);
         pie_menu->update();
-
-        ui->base_angle_label->setText(QString("%0°").arg(QString::number(pos)));
+        ui->closeButtonAsAction->setChecked(value);
     });
-
-    QObject::connect(ui->stroke_width_slider, &QSlider::sliderMoved, this, [&](int32_t pos)
-    {
-        pie_menu->setStrokeWidth(pos);
+    /** Show pin button */
+    QObject::connect(ui->removePinButton, &QCheckBox::clicked, this, [&](bool value)  {
+        pie_menu->setShowPinButton(!value);
+        if(value) {
+            pie_menu->setPinned(true);
+        }
         pie_menu->update();
-
-        ui->stroke_width_label->setText(QString("%0 px").arg(QString::number(pos)));
+        ui->removePinButton->setChecked(value);
     });
-
-    QObject::connect(ui->close_radius_slider, &QSlider::sliderMoved, this, [&](int32_t pos)
-    {
-        pie_menu->setCloseButtonRadius(pos);
-        pie_menu->update();
-
-        ui->close_button_radius_label->setText(QString("%0 px").arg(QString::number(pos)));
-
+    /** Pie radius */
+    QObject::connect(ui->pieRadiusSlider, &QSlider::valueChanged, this, [&](int32_t pos) {
+        pie_menu->setPieRadius(pos);
+        ui->pieRadiusSlider->setValue(pos);
+        ui->pieRadiusLabel->setText(QString("%0 px").arg(QString::number(pos)));
     });
-
-    QObject::connect(ui->pin_radius_slider, &QSlider::sliderMoved, this, [&](int32_t pos)
-    {
-        pie_menu->setPinButtonRadius(pos);
-        pie_menu->update();
-
-        ui->pin_button_radius_label->setText(QString("%0 px").arg(QString::number(pos)));
+    /** Move to center */
+    QObject::connect(ui->centerButton, &QPushButton::clicked, this, [&](bool) {
+        pie_menu->move(this->geometry().width() / 2 - pie_menu->geometry().width() / 2,
+                       this->geometry().height() / 2 - pie_menu->geometry().height() / 2);
     });
-
-    QObject::connect(ui->alternate_colors_checkbox, &QCheckBox::clicked, this, [&](bool value)
-    {
-        pie_menu->setAlternateColors(value);
-        pie_menu->update();
+    /** Load theme */
+    QObject::connect(ui->loadTheme, &QPushButton::clicked, this, [&](bool) {
+        QFileDialog fd;
+        fd.setOptions(QFileDialog::DontUseNativeDialog | QFileDialog::ReadOnly);
+        fd.exec();
+
+        QString filename = fd.selectedFiles().at(0);
+        qDebug()<< filename;
+        loadTheme(QFile(filename));
     });
+    /** About QT And Theme */
+    QObject::connect(ui->aboutQt, SIGNAL(clicked()), qApp, SLOT(aboutQt()));
 
-    QObject::connect(ui->disable_button_checkbox, &QCheckBox::clicked, this, [&](bool value)
-    {
-        pie_menu->setButtonEnabled(0, !value);
-        pie_menu->update();
-    });
+    initPieMenu();
+    loadTheme(QFile(":/settings/black.qss"));
 }
 
 void MainWindow::initPieMenu()
@@ -92,16 +126,18 @@ void MainWindow::initPieMenu()
     pie_menu->setCloseButtonIcon(QIcon(":/icons/close-line-icon.png"));
     pie_menu->setPinButtonIcon(QIcon(":/icons/pushpin-icon.png"));
 
-    pie_menu->setButtonCount(4);
+    emit this->ui->stroke_width_slider->valueChanged(5);
+    emit this->ui->button_count_slider->valueChanged(4);
+    emit this->ui->pieRadiusSlider->valueChanged(50);
+    emit this->ui->removePinButton->clicked(true);
+    emit this->ui->closeButtonAsAction->clicked(true);
 
-    for (int32_t i = 0; i < 4; i++)
-    {
+    for (int32_t i = 0; i < 4; i++) {
         pie_menu->setButtonIcon(i, ":/icons/image-line-icon.png");
     }
 
-    QObject::connect(pie_menu, &PieMenu::buttonClicked, this, [&](uint8_t index)
-    {
-        ui->label->setText(QString("You clicked button #%0").arg(index));
+    QObject::connect(pie_menu, &PieMenu::buttonClicked, this, [&](uint8_t index) {
+        ui->label->setText(QString("You are clicked button #%0").arg(index));
     });
 }
 
@@ -112,14 +148,28 @@ MainWindow::~MainWindow()
 
 void MainWindow::mouseReleaseEvent(QMouseEvent *event)
 {
-    if (event->button() == Qt::RightButton)
-    {
+    if (event->button() == Qt::RightButton) {
         pie_menu->display();
     }
-    else
-    {
+    else {
         pie_menu->hideIfNotPinned();
     }
 
     QMainWindow::mouseReleaseEvent(event);
 }
+
+void MainWindow::loadTheme(QFile file)
+{
+    if (file.exists()) {
+        file.open(QIODevice::ReadOnly | QIODevice::Text);
+
+        QTextStream instream(& file);
+        QString style;
+        while (!instream.atEnd()) {
+            style = instream.readAll();
+        }
+        this->setStyleSheet(style);
+    }
+}
+
+

MainWindow.h

@@ -17,6 +17,7 @@
 #define MAINWINDOW_H
 
 #include <QMainWindow>
+#include <QFile>
 #include <PieMenu.h>
 
 QT_BEGIN_NAMESPACE
@@ -35,7 +36,9 @@ class MainWindow : public QMainWindow
 
     /// \brief Default destructor for the main window
     ~MainWindow(void) override;
-
+
+    void loadTheme(QFile file);
+
 protected:
     /// \brief Overridden event handler to open the pie menu
     /// \param event: Pointer to the mouse event