wip: working carousel :D

images_carousel.h

@@ -1,8 +1,68 @@
+/*
+ * @Author: Uyanide pywang0608@foxmail.com
+ * @Date: 2025-08-05 01:22:53
+ * @LastEditTime: 2025-08-05 16:49:22
+ * @Description:
+ */
 #ifndef IMAGES_CAROUSEL_H
 #define IMAGES_CAROUSEL_H
 
+#include <QKeyEvent>
+#include <QLabel>
+#include <QMutex>
+#include <QObject>
+#include <QPixmap>
+#include <QPropertyAnimation>
+#include <QQueue>
+#include <QRunnable>
+#include <QScrollArea>
+#include <QThreadPool>
+#include <QTimer>
 #include <QWidget>
 
+class ImagesCarousel;
+
+struct ImageData {
+    QString path;
+    QPixmap pixmap;
+
+    ImageData() = default;
+
+    explicit ImageData(const QString& p);
+};
+
+class ImageItem : public QLabel {
+    Q_OBJECT
+
+  public:
+    explicit ImageItem(const ImageData* data,
+                       const int itemWidth,
+                       const int itemHeight,
+                       const int itemFocusWidth,
+                       const int itemFocusHeight,
+                       QWidget* parent = nullptr);
+
+  public slots:
+    void focusImage();
+    void unfocusImage();
+
+  private:
+    const ImageData* m_data;
+    QSize m_itemSize;
+    QSize m_itemFocusSize;
+    QPropertyAnimation* m_scaleAnimation = nullptr;
+};
+
+class ImageLoader : public QRunnable {
+  public:
+    ImageLoader(const QString& path, ImagesCarousel* carousel);
+    void run() override;
+
+  private:
+    QString m_path;
+    ImagesCarousel* m_carousel;
+};
+
 namespace Ui {
 class ImagesCarousel;
 }
@@ -11,11 +71,53 @@ class ImagesCarousel : public QWidget {
     Q_OBJECT
 
   public:
-    explicit ImagesCarousel(QWidget *parent = nullptr);
+    explicit ImagesCarousel(QWidget* parent = nullptr);
     ~ImagesCarousel();
 
+    static constexpr int s_itemWidth         = 320;
+    static constexpr int s_itemHeight        = 200;
+    static constexpr int s_itemFocusWidth    = 480;
+    static constexpr int s_itemFocusHeight   = 300;
+    static constexpr int s_animationDuration = 300;
+
+  public slots:
+    void addImageToQueue(const ImageData* data);
+    void appendImage(const QString& path);
+    void focusNextImage();
+    void focusPrevImage();
+    void unfocusCurrImage();
+    void focusCurrImage();
+
+  private slots:
+    void updateImages();
+
   private:
-    Ui::ImagesCarousel *ui;
+    Ui::ImagesCarousel* ui;
+    QMutex m_queueMutex;
+    QQueue<ImageItem*> m_imageQueue;
+    QList<ImageItem*> m_loadedImages;
+    QTimer* m_updateTimer;
+    int m_currentIndex = 0;
+    QPropertyAnimation* m_scrollAnimation;
+
+  signals:
+    void imageLoaded(ImageData* imageData);
+};
+
+class ImagesCarouselScrollArea : public QScrollArea {
+    Q_OBJECT
+
+  public:
+    explicit ImagesCarouselScrollArea(QWidget* parent = nullptr)
+        : QScrollArea(parent) {
+        setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+        setWidgetResizable(true);
+    }
+
+  protected:
+    void keyPressEvent(QKeyEvent* event) override {
+        event->ignore();
+    }
 };
 
 #endif  // IMAGES_CAROUSEL_H