Prevented spin boxes in property editor from stealing focus on wheel scroll

PrimeWorldEditor.pro

@@ -131,7 +131,8 @@ SOURCES += \
     Resource/CScan.cpp \
     Resource/factory/CScanLoader.cpp \
     UI/WStringPreviewPanel.cpp \
-    UI/WScanPreviewPanel.cpp
+    UI/WScanPreviewPanel.cpp \
+    UI/WIntegralSpinBox.cpp
 
 HEADERS  += \
     Common/AnimUtil.h \
@@ -277,7 +278,8 @@ HEADERS  += \
     Resource/CScan.h \
     Resource/factory/CScanLoader.h \
     UI/WStringPreviewPanel.h \
-    UI/WScanPreviewPanel.h
+    UI/WScanPreviewPanel.h \
+    UI/WIntegralSpinBox.h
 
 FORMS    += \
     UI/CWorldEditorWindow.ui \

UI/WDraggableSpinBox.cpp

@@ -77,3 +77,9 @@ void WDraggableSpinBox::mouseMoveEvent(QMouseEvent*)
         mLastY = QCursor::pos().y();
     }
 }
+
+void WDraggableSpinBox::wheelEvent(QWheelEvent *pEvent)
+{
+    if (!hasFocus()) pEvent->ignore();
+    else QDoubleSpinBox::wheelEvent(pEvent);
+}

UI/WDraggableSpinBox.h

@@ -14,9 +14,10 @@ class WDraggableSpinBox : public QDoubleSpinBox
 public:
     explicit WDraggableSpinBox(QWidget *parent = 0);
     ~WDraggableSpinBox();
-    void mousePressEvent(QMouseEvent *Event);
-    void mouseReleaseEvent(QMouseEvent *Event);
-    void mouseMoveEvent(QMouseEvent *Event);
+    void mousePressEvent(QMouseEvent *pEvent);
+    void mouseReleaseEvent(QMouseEvent *pEvent);
+    void mouseMoveEvent(QMouseEvent *pEvent);
+    void wheelEvent(QWheelEvent *pEvent);
 };
 
 #endif // WDRAGGABLESPINBOX_H

UI/WIntegralSpinBox.cpp

@@ -0,0 +1,16 @@
+#include "WIntegralSpinBox.h"
+#include <QWheelEvent>
+
+WIntegralSpinBox::WIntegralSpinBox(QWidget *pParent) : QSpinBox(pParent)
+{
+}
+
+WIntegralSpinBox::~WIntegralSpinBox()
+{
+}
+
+void WIntegralSpinBox::wheelEvent(QWheelEvent *pEvent)
+{
+    if (!hasFocus()) pEvent->ignore();
+    else QSpinBox::wheelEvent(pEvent);
+}

UI/WIntegralSpinBox.h

@@ -0,0 +1,16 @@
+#ifndef WINTEGRALSPINBOX_H
+#define WINTEGRALSPINBOX_H
+
+#include <QSpinBox>
+
+// Simple subclass to disable focus stealing on wheel event
+class WIntegralSpinBox : public QSpinBox
+{
+    Q_OBJECT
+public:
+    explicit WIntegralSpinBox(QWidget *pParent);
+    ~WIntegralSpinBox();
+    void wheelEvent(QWheelEvent *pEvent);
+};
+
+#endif // WINTEGRALSPINBOX_H

UI/WPropertyEditor.cpp

@@ -1,5 +1,6 @@
 #include "WPropertyEditor.h"
 #include "WDraggableSpinBox.h"
+#include "WIntegralSpinBox.h"
 #include "WResourceSelector.h"
 #include "WColorPicker.h"
 #include "WVectorEditor.h"
@@ -85,39 +86,42 @@ void WPropertyEditor::CreateEditor()
         break;
     }
 
-    // Byte - QSpinBox
+    // Byte - WIntegralSpinBox
     case eByteProperty:
     {
         CByteProperty *pByteCast = static_cast<CByteProperty*>(mpProperty);
-        QSpinBox *pSpinBox = new QSpinBox(this);
+        QSpinBox *pSpinBox = new WIntegralSpinBox(this);
 
         pSpinBox->setRange(-128, 128);
+        pSpinBox->setFocusPolicy(Qt::StrongFocus);
         pSpinBox->setValue(pByteCast->Get());
 
         mUI.EditorWidget = pSpinBox;
         break;
     }
 
-    // Short - QSpinBox
+    // Short - WIntegralSpinBox
     case eShortProperty:
     {
         CShortProperty *pShortCast = static_cast<CShortProperty*>(mpProperty);
-        QSpinBox *pSpinBox = new QSpinBox(this);
+        QSpinBox *pSpinBox = new WIntegralSpinBox(this);
 
         pSpinBox->setRange(-32768, 32767);
+        pSpinBox->setFocusPolicy(Qt::StrongFocus);
         pSpinBox->setValue(pShortCast->Get());
 
         mUI.EditorWidget = pSpinBox;
         break;
     }
 
-    // Long - QSpinBox
+    // Long - WIntegralSpinBox
     case eLongProperty:
     {
         CLongProperty *pLongCast = static_cast<CLongProperty*>(mpProperty);
-        QSpinBox *pSpinBox = new QSpinBox(this);
+        QSpinBox *pSpinBox = new WIntegralSpinBox(this);
 
         pSpinBox->setRange(-2147483648, 2147483647);
+        pSpinBox->setFocusPolicy(Qt::StrongFocus);
         pSpinBox->setValue(pLongCast->Get());
 
         mUI.EditorWidget = pSpinBox;
@@ -131,6 +135,7 @@ void WPropertyEditor::CreateEditor()
         WDraggableSpinBox *pDraggableSpinBox = new WDraggableSpinBox(this);
 
         pDraggableSpinBox->setDecimals(4);
+        pDraggableSpinBox->setFocusPolicy(Qt::StrongFocus);
         pDraggableSpinBox->setValue(pFloatCast->Get());
 
         mUI.EditorWidget = pDraggableSpinBox;

UI/WVectorEditor.cpp

@@ -7,6 +7,9 @@ WVectorEditor::WVectorEditor(QWidget *pParent) : QWidget(pParent)
     mpSpinBoxX = new WDraggableSpinBox(this);
     mpSpinBoxY = new WDraggableSpinBox(this);
     mpSpinBoxZ = new WDraggableSpinBox(this);
+    mpSpinBoxX->setFocusPolicy(Qt::StrongFocus);
+    mpSpinBoxY->setFocusPolicy(Qt::StrongFocus);
+    mpSpinBoxZ->setFocusPolicy(Qt::StrongFocus);
     connect(mpSpinBoxX, SIGNAL(valueChanged(double)), this, SLOT(SetX(double)));
     connect(mpSpinBoxY, SIGNAL(valueChanged(double)), this, SLOT(SetY(double)));
     connect(mpSpinBoxZ, SIGNAL(valueChanged(double)), this, SLOT(SetZ(double)));
@@ -46,6 +49,9 @@ WVectorEditor::WVectorEditor(const CVector3f& Value, QWidget *pParent) : QWidget
     mpSpinBoxX->setMaximumHeight(21);
     mpSpinBoxY->setMaximumHeight(21);
     mpSpinBoxZ->setMaximumHeight(21);
+    mpSpinBoxX->setFocusPolicy(Qt::StrongFocus);
+    mpSpinBoxY->setFocusPolicy(Qt::StrongFocus);
+    mpSpinBoxZ->setFocusPolicy(Qt::StrongFocus);
     connect(mpSpinBoxX, SIGNAL(valueChanged(double)), this, SLOT(SetX(double)));
     connect(mpSpinBoxY, SIGNAL(valueChanged(double)), this, SLOT(SetY(double)));
     connect(mpSpinBoxZ, SIGNAL(valueChanged(double)), this, SLOT(SetZ(double)));