Add some initial widget functionality (prefs partly working)

PortabilityLayer/PLButtonWidget.cpp

@@ -0,0 +1,54 @@
+#include "PLButtonWidget.h"
+#include "PLCore.h"
+#include "PLTimeTaggedVOSEvent.h"
+
+namespace PortabilityLayer
+{
+	ButtonWidget::ButtonWidget(const WidgetBasicState &state)
+		: WidgetSpec<ButtonWidget>(state)
+		, m_haveMouseDown(false)
+	{
+	}
+
+	WidgetHandleState_t ButtonWidget::ProcessEvent(Window *window, const TimeTaggedVOSEvent &evt)
+	{
+		if (m_haveMouseDown)
+		{
+			if (evt.IsLMouseUpEvent())
+			{
+				m_haveMouseDown = false;
+
+				const Point pt = window->MouseToLocal(evt.m_vosEvent.m_event.m_mouseInputEvent);
+				if (m_rect.Contains(pt))
+					return WidgetHandleStates::kActivated;
+				else
+					return WidgetHandleStates::kIgnored;
+			}
+
+			return WidgetHandleStates::kCaptured;
+		}
+		else
+		{
+			if (evt.IsLMouseDownEvent())
+			{
+				const Point pt = window->MouseToLocal(evt.m_vosEvent.m_event.m_mouseInputEvent);
+
+				if (m_rect.Contains(pt))
+				{
+					m_haveMouseDown = true;
+					return WidgetHandleStates::kCaptured;
+				}
+				else
+					return WidgetHandleStates::kIgnored;
+			}
+		}
+
+		return WidgetHandleStates::kIgnored;
+	}
+
+	bool ButtonWidget::Init(const WidgetBasicState &state)
+	{
+		(void)state;
+		return true;
+	}
+}