first version

.gitignore

@@ -0,0 +1 @@
+build/

Kallery.pro

@@ -9,10 +9,12 @@ CONFIG += c++17
 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
 
 SOURCES += \
+    imagegallery.cpp \
     main.cpp \
     mainwindow.cpp
 
 HEADERS += \
+    imagegallery.h \
     mainwindow.h
 
 FORMS += \

imagegallery.cpp

@@ -0,0 +1,27 @@
+#include "imagegallery.h"
+#include <QPixmap>
+
+ImageGallery::ImageGallery(QWidget *parent) : QWidget(parent)
+{
+    scrollArea = new QScrollArea(this);
+    scrollWidget = new QWidget(scrollArea);
+    scrollLayout = new QVBoxLayout(scrollWidget);
+
+    scrollArea->setWidgetResizable(true);
+    scrollArea->setWidget(scrollWidget);
+
+    QVBoxLayout *mainLayout = new QVBoxLayout(this);
+    mainLayout->addWidget(scrollArea);
+    setLayout(mainLayout);
+}
+
+void ImageGallery::addImage(const QString &imagePath)
+{
+    QLabel *imageLabel = new QLabel(scrollWidget);
+    QPixmap pixmap(imagePath);
+    imageLabel->setPixmap(pixmap.scaledToWidth(400, Qt::SmoothTransformation));
+    imageLabel->setAlignment(Qt::AlignCenter);
+
+    scrollLayout->addWidget(imageLabel);
+    imageLabels.append(imageLabel);
+}

imagegallery.h

@@ -0,0 +1,25 @@
+#ifndef IMAGEGALLERY_H
+#define IMAGEGALLERY_H
+
+#include <QWidget>
+#include <QScrollArea>
+#include <QVBoxLayout>
+#include <QLabel>
+#include <QList>
+
+class ImageGallery : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit ImageGallery(QWidget *parent = nullptr);
+    void addImage(const QString &imagePath);
+
+private:
+    QScrollArea *scrollArea;
+    QWidget *scrollWidget;
+    QVBoxLayout *scrollLayout;
+    QList<QLabel*> imageLabels;
+};
+
+#endif // IMAGEGALLERY_H

main.cpp

@@ -1,11 +1,11 @@
-#include "mainwindow.h"
-
 #include <QApplication>
+#include "mainwindow.h"
 
 int main(int argc, char *argv[])
 {
-    QApplication a(argc, argv);
-    MainWindow w;
-    w.show();
-    return a.exec();
+    QApplication app(argc, argv);
+    MainWindow mainWindow;
+
+    mainWindow.show();
+    return app.exec();
 }

mainwindow.cpp

@@ -1,14 +1,16 @@
 #include "mainwindow.h"
-#include "ui_mainwindow.h"
 
 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
-    , ui(new Ui::MainWindow)
 {
-    ui->setupUi(this);
+    imageGallery = new ImageGallery(this);
+    setCentralWidget(imageGallery);
+    setWindowTitle("Image Gallery");
+    imageGallery->addImage("/home/krzys/Obrazy/kod.png");
+    imageGallery->addImage("/home/krzys/Obrazy/kod.png");
+    resize(800, 600);
 }
 
 MainWindow::~MainWindow()
 {
-    delete ui;
 }

mainwindow.h

@@ -1,13 +1,5 @@
-#ifndef MAINWINDOW_H
-#define MAINWINDOW_H
-
 #include <QMainWindow>
-
-QT_BEGIN_NAMESPACE
-namespace Ui {
-class MainWindow;
-}
-QT_END_NAMESPACE
+#include "imagegallery.h"
 
 class MainWindow : public QMainWindow
 {
@@ -18,6 +10,5 @@ public:
     ~MainWindow();
 
 private:
-    Ui::MainWindow *ui;
+    ImageGallery *imageGallery;
 };
-#endif // MAINWINDOW_H