Selecting thumbnails

imagescrollareagl.h

@@ -14,14 +14,12 @@
 #include "rawimage.h"
 #include "imageringlist.h"
 
-typedef enum
+struct ImageThumb
 {
-    Linear,
-    Log,
-    Sqrt,
-    Power,
-    Asinh,
-}StretchFunc;
+    QString name;
+    QSize size;
+    bool selected;
+};
 
 class ImageWidget : public QOpenGLWidget
 {
@@ -52,8 +50,9 @@ class ImageWidget : public QOpenGLWidget
     bool m_invert;
     bool m_superpixel;
     bool m_showThumbnails;
+    bool m_selecting;
     int m_thumbnailCount;
-    QStringList m_Names;
+    QVector<ImageThumb> m_thumnails;
 public:
     explicit ImageWidget(QWidget *parent = nullptr);
     ~ImageWidget();
@@ -61,7 +60,7 @@ public:
     void setImage(const QPixmap &pixmap);
     void setScale(float scale);
     void blockRepaint(bool block);
-    void allocateThumbnails(const QStringList &&names);
+    void allocateThumbnails(const QStringList &names);
 public slots:
     void setMTFParams(float low, float mid, float high);
     void setOffset(int dx, int dy);
@@ -76,8 +75,13 @@ protected:
     void initializeGL();
     void dragEnterEvent(QDragEnterEvent *event);
     void dropEvent(QDropEvent *event);
+    void mousePressEvent(QMouseEvent *event);
+    void mouseMoveEvent(QMouseEvent *event);
+    void mouseReleaseEvent(QMouseEvent *event);
+    void thumbSelect(QMouseEvent *event);
 signals:
     void fileDropped(const QString &path);
+    void thumbSelected(int index);
 };
 
 class ImageScrollAreaGL : public QWidget