chore: baseline usable version

src/qEmbyApp/components/horizontalwidgetgallery.h

@@ -0,0 +1,57 @@
+#ifndef HORIZONTALWIDGETGALLERY_H
+#define HORIZONTALWIDGETGALLERY_H
+
+#include <QWidget>
+
+class QScrollArea;
+class QHBoxLayout;
+class QPushButton;
+class QPropertyAnimation;
+
+class HorizontalWidgetGallery : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit HorizontalWidgetGallery(QWidget* parent = nullptr);
+    ~HorizontalWidgetGallery() override = default;
+
+    
+    void addWidget(QWidget* widget);
+
+    
+    void clear();
+
+    
+    void setSpacing(int spacing);
+
+    
+    void adjustHeightToContent();
+
+    
+    QSize minimumSizeHint() const override {
+        return QSize(1, QWidget::minimumSizeHint().height());
+    }
+
+protected:
+    void resizeEvent(QResizeEvent* event) override;
+    bool eventFilter(QObject* obj, QEvent* event) override;
+    void wheelEvent(QWheelEvent* event) override;
+
+private:
+    void applyContentHeight();
+    void updateButtonsVisibility();
+    void updateButtonPositions();
+
+    QScrollArea* m_scrollArea;
+    QWidget* m_contentWidget;
+    QHBoxLayout* m_contentLayout;
+
+    QPushButton* m_btnLeft;
+    QPushButton* m_btnRight;
+
+    
+    QPropertyAnimation* m_hScrollAnim;
+    int m_hScrollTarget;
+};
+
+#endif