Allow mouse scrolling in the race preview widget (feature 6925)

CHANGELOG.md

@@ -203,6 +203,7 @@
     Feature #6721: [OpenMW-CS] Add option to open records in new window
     Feature #6867: Add a way to localize hardcoded strings in GUI
     Feature #6888: Add switch for armor degradation fix.
+    Feature #6925: Allow to use a mouse wheel to rotate a head in the race selection menu
     Task #6078: First person should not clear depth buffer
     Task #6161: Refactor Sky to use shaders and be GLES/GL3 friendly
     Task #6162: Refactor GUI to use shaders and to be GLES and GL3+ friendly

apps/openmw/mwgui/race.cpp

@@ -56,6 +56,8 @@ namespace MWGui
         setText("AppearanceT", MWBase::Environment::get().getWindowManager()->getGameSettingString("sRaceMenu1", "Appearance"));
         getWidget(mPreviewImage, "PreviewImage");
 
+        mPreviewImage->eventMouseWheel += MyGUI::newDelegate(this, &RaceDialog::onPreviewScroll);
+
         getWidget(mHeadRotate, "HeadRotate");
 
         mHeadRotate->setScrollRange(1000);
@@ -211,6 +213,19 @@ namespace MWGui
         eventBack();
     }
 
+    void RaceDialog::onPreviewScroll(MyGUI::Widget*, int _delta)
+    {
+        size_t oldPos = mHeadRotate->getScrollPosition();
+        size_t maxPos = mHeadRotate->getScrollRange() - 1;
+        size_t scrollPage = mHeadRotate->getScrollWheelPage();
+        if (_delta < 0)
+            mHeadRotate->setScrollPosition(oldPos + std::min(maxPos - oldPos, scrollPage));
+        else
+            mHeadRotate->setScrollPosition(oldPos - std::min(oldPos, scrollPage));
+
+        onHeadRotate(mHeadRotate, mHeadRotate->getScrollPosition());
+    }
+
     void RaceDialog::onHeadRotate(MyGUI::ScrollBar* scroll, size_t _position)
     {
         float angle = (float(_position) / (scroll->getScrollRange()-1) - 0.5f) * osg::PI * 2;

apps/openmw/mwgui/race.hpp

@@ -66,6 +66,7 @@ namespace MWGui
         EventHandle_WindowBase eventDone;
 
     protected:
+        void onPreviewScroll(MyGUI::Widget* _sender, int _delta);
         void onHeadRotate(MyGUI::ScrollBar* _sender, size_t _position);
 
         void onSelectPreviousGender(MyGUI::Widget* _sender);