Working GUI Button

2015-09-23 16:51:20 +02:00
parent 8e00b76036
commit b83de44715
4 changed files with 128 additions and 21 deletions
@@ -0,0 +1,102 @@
+#ifndef GUI_BUTTON_H__
+#define GUI_BUTTON_H__
+
+#include "GUI/TextureFrame.h"
+#include "Core/EMouseMove.h"
+#include "Core/EMousePress.h"
+#include "Core/EMouseRelease.h"
+
+namespace dd
+{
+namespace GUI
+{
+
+class Button : public TextureFrame
+{
+public:
+	Button(Frame* parent, std::string name)
+		: TextureFrame(parent, name)
+	{
+		EVENT_SUBSCRIBE_MEMBER(m_EMouseMove, &Button::OnMouseMove);
+		EVENT_SUBSCRIBE_MEMBER(m_EMousePress, &Button::OnMousePress);
+		EVENT_SUBSCRIBE_MEMBER(m_EMouseRelease, &Button::OnMouseRelease);
+	}
+
+	std::string TextureHover;
+	std::string TexturePressed;
+	std::string TextureReleased;
+
+	void Draw(RenderQueueCollection& rq) override
+	{
+		if (m_Texture == nullptr && !TextureReleased.empty()) {
+			SetTexture(TextureReleased);
+		}
+
+		TextureFrame::Draw(rq);
+	}
+
+protected:
+	bool m_MouseIsOver = false;
+	bool m_IsDown = false;
+
+	virtual bool OnMouseMove(const Events::MouseMove& event)
+	{
+		bool isOver = Rectangle::Intersects(AbsoluteRectangle(), Rectangle(event.X, event.Y, 1, 1));
+		if (isOver && !m_MouseIsOver) { // Enter
+			LOG_INFO("%s mouse enter", m_Name.c_str());
+			if (!m_IsDown) {
+				SetTexture(TextureHover);
+			}
+		} else if (!isOver && m_MouseIsOver) { // Leave
+			LOG_INFO("%s mouse left", m_Name.c_str());
+			if (!m_IsDown) {
+				SetTexture(TextureReleased);
+			}
+		}
+		m_MouseIsOver = isOver;
+
+		return true;
+	}
+	virtual bool OnMousePress(const Events::MousePress& event)
+	{
+		if (!Rectangle::Intersects(AbsoluteRectangle(), Rectangle(event.X, event.Y, 1, 1))) {
+			return false;
+		}
+
+		if (!TexturePressed.empty()) {
+			SetTexture(TexturePressed);
+		}
+
+		LOG_INFO("%s mouse pressed", m_Name.c_str());
+
+		m_IsDown = true;
+
+		return true;
+	}
+	virtual bool OnMouseRelease(const Events::MouseRelease& event)
+	{
+		bool isOver = Rectangle::Intersects(AbsoluteRectangle(), Rectangle(event.X, event.Y, 1, 1));
+		if (!isOver && !m_IsDown) {
+			return false;
+		}
+
+		if (!TextureReleased.empty()) {
+			SetTexture(TextureReleased);
+		}
+
+		LOG_INFO("%s mouse released", m_Name.c_str());
+
+		m_IsDown = false;
+
+		return true;
+	}
+
+private:
+	EventRelay<Frame, Events::MouseMove> m_EMouseMove;
+	EventRelay<Frame, Events::MousePress> m_EMousePress;
+	EventRelay<Frame, Events::MouseRelease> m_EMouseRelease;
+};
+
+}
+}
+#endif