checkpoint

src/AppController.cpp

@@ -0,0 +1,29 @@
+
+#include "AppController.h"
+
+AppController::AppController(QObject *parent)
+    : QObject(parent)
+{
+    m_status = "Ready";
+}
+
+void AppController::setSliderValue(int val) {
+
+    if(sliderValue_ == val) return;
+    sliderValue_ = val;
+    emit sliderValueChanged();
+}
+
+void AppController::setSliderMin(int val) {
+
+    if(sliderMin_ == val) return;
+    sliderMin_ = val;
+    emit sliderMinChanged();
+}
+
+void AppController::setSliderMax(int val) {
+
+    if(sliderMax_ == val) return;
+    sliderMax_ = val;
+    emit sliderMaxChanged();
+}

src/AppController.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include <QObject>
+
+// AppController is the bridge from the QML logic to the C++ app
+class AppController : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(int sliderValue READ sliderValue WRITE setSliderValue NOTIFY sliderValueChanged)
+    Q_PROPERTY(int sliderMin READ sliderMin WRITE setSliderMin NOTIFY sliderMinChanged)
+    Q_PROPERTY(int sliderMax READ sliderMax WRITE setSliderMax NOTIFY sliderMaxChanged)
+
+public:
+    explicit AppController(QObject *parent = nullptr);
+
+    int sliderValue(int val) { return sliderValue_; }
+    int sliderMin(int val) { return sliderMin_; }
+    int sliderMax(int val) { return sliderMax_; }
+
+    void setSliderValue();
+    void setSliderMin();
+    void setSliderMax();
+
+private:
+    
+    int sliderValue_;
+    int sliderMin_;
+    int sliderMax_;
+
+};

src/main.cpp

@@ -1,13 +1,24 @@
 
-#include <QApplication>
-#include "mainwindow.hpp"
+#include <QGuiApplication>
+#include <QQmlApplicationEngine>
+#include <QQmlContext>
+
+#include "AppController.h"
 
 int main(int argc, char *argv[])
 {
-    QApplication app(argc, argv);
+    QGuiApplication app(argc, argv);
 
-    MainWindow window;
-    window.show();
+    QQmlApplicationEngine engine;
 
+    AppController controller;
+    engine.rootContext()->setContextProperty("appController", &controller);
+
+    engine.loadFromModule("MyApp", "Main");
+
+    if (engine.rootObjects().isEmpty()) {
+        return -1;
+    }
+    
     return app.exec();
-}
+}

src/mainwindow.cpp

@@ -1,33 +0,0 @@
-
-#include "mainwindow.hpp"
-
-#include <QLabel>
-#include <QPushButton>
-#include <QVBoxLayout>
-#include <QWidget>
-
-MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) {
-
-    // probably this will be in a qml file
-    auto *central = new QWidget(this);
-    auto *layout = new QVBoxLayout(central);
-
-    label_ = new QLabel("cases: 0", this);
-    label_->setAlignment(Qt::AlignCenter);
-
-    button_ = new QPushButton("many such cases !", this);
-
-    layout->addWidget(label_);
-    layout->addWidget(button_);
-
-    setCentralWidget(central);
-    setWindowTitle("moblus !!!");
-    resize(400, 200);
-
-    connect(button_, &QPushButton::clicked, this, &MainWindow::incrementCounter);
-}
-
-void MainWindow::incrementCounter() {
-    counter_++;
-    label_->setText(QString("cases: %1").arg(counter_));
-}

src/mainwindow.hpp

@@ -1,21 +0,0 @@
-#pragma once
-
-#include <QMainWindow>
-
-class QLabel;
-class QPushButton;
-
-class MainWindow : public QMainWindow {
-    Q_OBJECT
-
-    public:
-    explicit MainWindow(QWidget *parent = nullptr);
-
-    private slots:
-    void incrementCounter();
-
-    private:
-    int counter_ = 0;
-    QLabel *label_;
-    QPushButton *button_;
-};