Improved drag-to-scroll activation on pinout widget, allowing for activation even in the absence of widget focus

src/Insight/UserInterfaces/InsightWindow/Widgets/PinoutWidgets/PinoutContainer.cpp

@@ -50,4 +50,23 @@ namespace Widgets::PinoutWidgets
 
         QGraphicsView::keyReleaseEvent(event);
     }
+
+    void PinoutContainer::mousePressEvent(QMouseEvent* event) {
+        if (this->dragMode() == QGraphicsView::DragMode::ScrollHandDrag) {
+            return QGraphicsView::mousePressEvent(event);
+        }
+
+        const auto modifiers = event->modifiers();
+        if ((modifiers & Qt::KeyboardModifier::ControlModifier) != 0) {
+            const auto viewSize = this->size();
+            const auto sceneRect = this->pinoutScene->sceneRect();
+            this->setDragMode(
+                sceneRect.width() > viewSize.width() || sceneRect.height() > viewSize.height()
+                    ? QGraphicsView::DragMode::ScrollHandDrag
+                    : QGraphicsView::DragMode::NoDrag
+            );
+        }
+
+        return QGraphicsView::mousePressEvent(event);
+    }
 }

src/Insight/UserInterfaces/InsightWindow/Widgets/PinoutWidgets/PinoutContainer.hpp

@@ -3,6 +3,7 @@
 #include <QGraphicsView>
 #include <QResizeEvent>
 #include <QKeyEvent>
+#include <QMouseEvent>
 
 #include "src/Targets/TargetDescriptor.hpp"
 
@@ -21,6 +22,7 @@ namespace Widgets::PinoutWidgets
         void resizeEvent(QResizeEvent* event) override;
         void keyPressEvent(QKeyEvent* event) override;
         void keyReleaseEvent(QKeyEvent* event) override;
+        void mousePressEvent(QMouseEvent* event) override;
 
     protected:
         const Targets::TargetDescriptor& targetDescriptor;