jfjoch_viewer: Extra panel for ROI (tbd)

viewer/JFJochViewerImage.cpp

@@ -8,6 +8,7 @@
 #include <QGraphicsScene>
 #include <QWheelEvent>
 #include <QScrollBar>
+#include <QMenu>
 #include <cmath>
 
 // Constructor
@@ -107,6 +108,8 @@ void JFJochViewerImage::mousePressEvent(QMouseEvent *event) {
             else
                 mouse_event_type = MouseEventType::Panning;
         }
+    } else if (event->button() == Qt::RightButton) {
+        mouse_event_type = MouseEventType::RightClickMenu;
     }
     QGraphicsView::mousePressEvent(event); // Call base implementation
 }
@@ -175,7 +178,9 @@ void JFJochViewerImage::mouseReleaseEvent(QMouseEvent *event) {
     if (!scene() || !image) return;
 
     setCursor(Qt::CursorShape::ArrowCursor);
-    if (mouse_event_type == MouseEventType::MovingROI) {
+    if (mouse_event_type == MouseEventType::RightClickMenu) {
+        ShowImageMenu(event);
+    } else if (mouse_event_type == MouseEventType::MovingROI) {
         if (roi_type == RoiType::RoiBox) {
             roiStartPos = RoundPoint(roiStartPos);
             roiEndPos = RoundPoint(roiEndPos);
@@ -669,3 +674,57 @@ void JFJochViewerImage::highlightIceRings(bool input) {
     highlight_ice_rings = input;
     Redraw();
 }
+
+void JFJochViewerImage::ShowImageMenu(QMouseEvent *event) {
+    auto mouse_loc = mapToScene(event->pos());
+    float radius = roi_box.height() / 2.0;
+    QPointF center = roi_box.center();
+    bool mouse_in_roi = false;
+
+    if (roi_box.width() * roi_box.height() > 0) {
+        if (roi_box.contains(mouse_loc)) {
+            if (roi_type == RoiType::RoiCircle) {
+                float dx = mouse_loc.x() - center.x();
+                float dy = mouse_loc.y() - center.y();
+                float distance_sq = dx * dx + dy * dy;
+
+                if (distance_sq <= radius * radius) {
+                    mouse_in_roi = true;
+                }
+            } else
+                mouse_in_roi = true;
+        }
+    }
+
+    if (mouse_in_roi) {
+        QMenu menu;
+
+        // Show ROI coordinates (read-only)
+
+        QString roi_coordinates;
+        if (roi_type == RoiType::RoiBox) {
+            roi_coordinates = QString("ROI Box x: [%1, %2] y: [%3, %4]")
+                    .arg(roi_box.left())
+                    .arg(roi_box.right())
+                    .arg(roi_box.top())
+                    .arg(roi_box.bottom());
+        } else {
+            roi_coordinates = QString("ROI Circle: center: [%1, %2] r: %3").arg(center.x()).arg(center.y()).arg(radius);
+        }
+
+        menu.addAction(roi_coordinates)->setDisabled(true);
+
+        // Add or remove from user mask
+        QAction *addMaskAction = menu.addAction("Add to user mask");
+        QAction *removeMaskAction = menu.addAction("Remove from user mask");
+
+        // Show the menu at the cursor's position
+        QAction *selectedAction = menu.exec(event->globalPos());
+
+        if (selectedAction == addMaskAction) {
+            // Implement "Add to user mask" functionality here
+        } else if (selectedAction == removeMaskAction) {
+            // Implement "Remove from user mask" functionality here
+        }
+    }
+}