prevent accidental combo change when scrolling the whole window with the mouse wheel

GUI/Views/SampleDesigner/InterferenceForm.cpp

@@ -19,6 +19,7 @@
 #include "GUI/Views/SampleDesigner/FormLayouter.h"
 #include "GUI/Views/SampleDesigner/SampleEditorController.h"
 #include "GUI/Views/SampleDesigner/SelectionContainerForm.h"
+#include "GUI/utils/CustomEventFilters.h"
 
 InterferenceForm::InterferenceForm(QWidget* parent, ParticleLayoutItem* layoutItem,
                                    SampleEditorController* ec)
@@ -31,6 +32,7 @@ InterferenceForm::InterferenceForm(QWidget* parent, ParticleLayoutItem* layoutIt
     m_collapser = GroupBoxCollapser::installIntoGroupBox(this);
 
     m_interferenceTypeCombo = new QComboBox(this);
+    WheelEventEater::install(m_interferenceTypeCombo);
     auto d = layoutItem->interference();
     m_interferenceTypeCombo->addItems(d.options);
     m_interferenceTypeCombo->setCurrentIndex(d.currentIndex());

GUI/Views/SampleDesigner/MesoCrystalForm.cpp

@@ -63,6 +63,7 @@ MesoCrystalForm::MesoCrystalForm(QWidget* parent, MesoCrystalItem* item, SampleE
 QComboBox* MesoCrystalForm::createBasisCombo(QWidget* parent, ItemWithParticles* current)
 {
     auto combo = new QComboBox(parent);
+    WheelEventEater::install(combo);
     combo->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);
 
     const auto modelTypes = ItemCatalog::formFactorHardParticleTypes()

GUI/Views/SampleDesigner/ParticleCoreShellForm.cpp

@@ -32,6 +32,7 @@ namespace {
 QComboBox* createFormFactorCombo(QWidget* parent, FormFactorItem* current)
 {
     auto* combo = new QComboBox(parent);
+    WheelEventEater::install(combo);
     combo->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);
 
     combo->addItem(QIcon(), "None", "");

GUI/Views/SampleDesigner/SelectionContainerForm.h

@@ -17,6 +17,7 @@
 
 #include "GUI/Views/SampleDesigner/LayerEditorUtils.h"
 #include "GUI/Views/SampleDesigner/SampleEditorController.h"
+#include "GUI/utils/CustomEventFilters.h"
 #include "GUI/utils/LayoutUtils.h"
 #include <QComboBox>
 #include <QGridLayout>
@@ -60,6 +61,7 @@ public:
         m_gridLayout->setSpacing(6);
 
         m_combo = new QComboBox;
+        WheelEventEater::install(m_combo);
         m_combo->addItems(d.options);
         m_combo->setCurrentIndex(d.currentIndex());
         m_combo->setMaxVisibleItems(m_combo->count());

GUI/utils/CustomEventFilters.cpp

@@ -36,6 +36,12 @@ bool SpaceKeyEater::eventFilter(QObject* obj, QEvent* event)
 
 WheelEventEater::WheelEventEater(QObject* parent) : QObject(parent) {}
 
+void WheelEventEater::install(QObject* obj)
+{
+    auto* p = new WheelEventEater(obj);
+    obj->installEventFilter(p);
+}
+
 bool WheelEventEater::eventFilter(QObject* obj, QEvent* event)
 {
     if (QAbstractSpinBox* spinBox = qobject_cast<QAbstractSpinBox*>(obj)) {

GUI/utils/CustomEventFilters.h

@@ -34,6 +34,7 @@ protected:
 class WheelEventEater : public QObject {
     Q_OBJECT
 public:
+    static void install(QObject* obj);
     WheelEventEater(QObject* parent = 0);
 
 protected: