Use mouse pressed event for pin button instead of mouse click

apps/openmw/mwgui/windowpinnablebase.cpp

@@ -12,7 +12,7 @@ namespace MWGui
         ExposedWindow* window = mMainWidget->castType<ExposedWindow>();
         mPinButton = window->getSkinWidget ("Button");
 
-        mPinButton->eventMouseButtonClick += MyGUI::newDelegate(this, &WindowPinnableBase::onPinButtonClicked);
+        mPinButton->eventMouseButtonPressed += MyGUI::newDelegate(this, &WindowPinnableBase::onPinButtonPressed);
 
         MyGUI::Button* button = NULL;
         MyGUI::VectorWidgetPtr widgets = window->getSkinWidgetsByName("Action");
@@ -26,8 +26,11 @@ namespace MWGui
             button->eventMouseButtonDoubleClick += MyGUI::newDelegate(this, &WindowPinnableBase::onDoubleClick);
     }
 
-    void WindowPinnableBase::onPinButtonClicked(MyGUI::Widget* _sender)
+    void WindowPinnableBase::onPinButtonPressed(MyGUI::Widget* _sender, int left, int top, MyGUI::MouseButton id)
     {
+        if (id != MyGUI::MouseButton::Left)
+            return;
+
         mPinned = !mPinned;
 
         if (mPinned)
@@ -46,7 +49,7 @@ namespace MWGui
     void WindowPinnableBase::setPinned(bool pinned)
     {
         if (pinned != mPinned)
-            onPinButtonClicked(mPinButton);
+            onPinButtonPressed(mPinButton, 0, 0, MyGUI::MouseButton::Left);
     }
 
     void WindowPinnableBase::setPinButtonVisible(bool visible)

apps/openmw/mwgui/windowpinnablebase.hpp

@@ -16,7 +16,7 @@ namespace MWGui
         void setPinButtonVisible(bool visible);
 
     private:
-        void onPinButtonClicked(MyGUI::Widget* _sender);
+        void onPinButtonPressed(MyGUI::Widget* _sender, int left, int top, MyGUI::MouseButton id);
         void onDoubleClick(MyGUI::Widget* _sender);
 
     protected: