按钮消息处理方式优化

core/Base/Input.cpp

@@ -13,9 +13,7 @@ e2d::Input::Input()
 	CoInitialize(nullptr);
 
 	ZeroMemory(_keyBuffer, sizeof(_keyBuffer));
-	ZeroMemory(_keyRecordBuffer, sizeof(_keyRecordBuffer));
 	ZeroMemory(&_mouseState, sizeof(_mouseState));
-	ZeroMemory(&_mouseRecordState, sizeof(_mouseRecordState));
 
 	// ³õʼ»¯½Ó¿Ú¶ÔÏó
 	HRESULT hr = DirectInput8Create(
@@ -116,7 +114,6 @@ void e2d::Input::update()
 		}
 		else
 		{
-			strcpy_s(_keyRecordBuffer, 256, _keyBuffer);
 			_keyboardDevice->GetDeviceState(sizeof(_keyBuffer), (void**)&_keyBuffer);
 		}
 	}
@@ -132,7 +129,6 @@ void e2d::Input::update()
 		}
 		else
 		{
-			_mouseRecordState = _mouseState;
 			_mouseDevice->GetDeviceState(sizeof(_mouseState), (void**)&_mouseState);
 		}
 	}
@@ -145,22 +141,6 @@ bool e2d::Input::isDown(KeyCode key)
 	return false;
 }
 
-bool e2d::Input::isPress(KeyCode key)
-{
-	if ((_keyBuffer[static_cast<int>(key)] & 0x80) && 
-		!(_keyRecordBuffer[static_cast<int>(key)] & 0x80))
-		return true;
-	return false;
-}
-
-bool e2d::Input::isRelease(KeyCode key)
-{
-	if (!(_keyBuffer[static_cast<int>(key)] & 0x80) && 
-		(_keyRecordBuffer[static_cast<int>(key)] & 0x80))
-		return true;
-	return false;
-}
-
 bool e2d::Input::isDown(MouseCode code)
 {
 	if (_mouseState.rgbButtons[static_cast<int>(code)] & 0x80)
@@ -168,22 +148,6 @@ bool e2d::Input::isDown(MouseCode code)
 	return false;
 }
 
-bool e2d::Input::isPress(MouseCode code)
-{
-	if ((_mouseState.rgbButtons[static_cast<int>(code)] & 0x80) && 
-		!(_mouseRecordState.rgbButtons[static_cast<int>(code)] & 0x80))
-		return true;
-	return false;
-}
-
-bool e2d::Input::isRelease(MouseCode code)
-{
-	if (!(_mouseState.rgbButtons[static_cast<int>(code)] & 0x80) && 
-		(_mouseRecordState.rgbButtons[static_cast<int>(code)] & 0x80))
-		return true;
-	return false;
-}
-
 float e2d::Input::getMouseX()
 {
 	return getMousePos().x;
@@ -196,14 +160,14 @@ float e2d::Input::getMouseY()
 
 e2d::Point e2d::Input::getMousePos()
 {
-	HWND hWnd = Window::getInstance()->getHWnd();
+	auto window = Window::getInstance();
 
 	POINT mousePos;
-	GetCursorPos(&mousePos);
+	::GetCursorPos(&mousePos);
-	ScreenToClient(hWnd, &mousePos);
+	::ScreenToClient(window->getHWnd(), &mousePos);
 
-	UINT ret = ::GetDpiForWindow(hWnd);
+	float dpi = window->getDpi();
-	return Point(mousePos.x * 96.f / ret, mousePos.y * 96.f / ret);
+	return Point(mousePos.x * 96.f / dpi, mousePos.y * 96.f / dpi);
 }
 
 float e2d::Input::getMouseDeltaX()

core/Base/Window.cpp

@@ -11,6 +11,7 @@ e2d::Window::Window()
 	, _size(640, 480)
 	, _title(L"Easy2D Game")
 	, _iconID(0)
+	, _dpi(0.f)
 {
 }
 
@@ -164,6 +165,8 @@ HWND e2d::Window::__create()
 			HMENU hmenu = ::GetSystemMenu(consoleHWnd, FALSE);
 			::RemoveMenu(hmenu, SC_CLOSE, MF_BYCOMMAND);
 		}
+		// »ñÈ¡ DPI
+		_dpi = static_cast<float>(::GetDpiForWindow(hWnd));
 	}
 	else
 	{
@@ -196,6 +199,11 @@ e2d::Size e2d::Window::getSize()
 	return _size;
 }
 
+float e2d::Window::getDpi()
+{
+	return _dpi;
+}
+
 e2d::String e2d::Window::getTitle()
 {
 	return _title;
@@ -410,7 +418,7 @@ LRESULT e2d::Window::WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lPar
 	case WM_MOUSEMOVE:
 	case WM_MOUSEWHEEL:
 	{
-		SceneManager::getInstance()->dispatch(MouseEvent(message, wParam, lParam));
+		SceneManager::getInstance()->dispatch(MouseEvent(hWnd, message, wParam, lParam));
 	}
 	result = 0;
 	hasHandled = true;
@@ -420,7 +428,7 @@ LRESULT e2d::Window::WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lPar
 	case WM_KEYDOWN:
 	case WM_KEYUP:
 	{
-		SceneManager::getInstance()->dispatch(KeyEvent(message, wParam, lParam));
+		SceneManager::getInstance()->dispatch(KeyEvent(hWnd, message, wParam, lParam));
 	}
 	result = 0;
 	hasHandled = true;
@@ -434,8 +442,8 @@ LRESULT e2d::Window::WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lPar
 
 		if (wParam == SIZE_RESTORED)
 		{
-			UINT dpi = ::GetDpiForWindow(hWnd);
+			_instance->_size.width = width * 96.f / _instance->_dpi;
-			_instance->_size = Size(width * 96.f / dpi, height * 96.f / dpi);
+			_instance->_size.height = height * 96.f / _instance->_dpi;
 		}
 
 		// 如果程序接收到一个 WM_SIZE 消息，这个方法将调整渲染

core/Common/Scene.cpp

@@ -37,14 +37,14 @@ void e2d::Scene::update()
 {
 	if (_autoUpdate)
 	{
-		this->onUpdate();
+		onUpdate();
 	}
 	_root->_update();
 }
 
 void e2d::Scene::dispatch(const MouseEvent & e)
 {
-	if (this->onMouseEvent(e))
+	if (onMouseEvent(e))
 	{
 		_root->dispatch(e);
 	}
@@ -52,7 +52,7 @@ void e2d::Scene::dispatch(const MouseEvent & e)
 
 void e2d::Scene::dispatch(const KeyEvent & e)
 {
-	if (this->onKeyEvent(e))
+	if (onKeyEvent(e))
 	{
 		_root->dispatch(e);
 	}

core/Event/KeyEvent.cpp

@@ -1,7 +1,7 @@
 #include "..\e2dcommon.h"
 
 
-e2d::KeyEvent::KeyEvent(UINT message, WPARAM wParam, LPARAM lParam)
+e2d::KeyEvent::KeyEvent(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 	: _code(KeyCode(wParam))
 	, _type(Type(message))
 	, _count(static_cast<int>((DWORD)lParam & 0x0000FFFF))

core/Event/MouseEvent.cpp

@@ -1,13 +1,15 @@
 #include "..\e2dcommon.h"
+#include "..\e2dbase.h"
 
-
+e2d::MouseEvent::MouseEvent(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
-e2d::MouseEvent::MouseEvent(UINT message, WPARAM wParam, LPARAM lParam)
+	: _message(message)
-	: _pos(LOWORD(lParam), HIWORD(lParam))
+	, _wParam(wParam)
-	, _shiftDown(GET_KEYSTATE_WPARAM(wParam) == MK_SHIFT)
+	, _lParam(lParam)
-	, _ctrlDown(GET_KEYSTATE_WPARAM(wParam) == MK_CONTROL)
-	, _wheelDelta(GET_WHEEL_DELTA_WPARAM(wParam))
 	, _type(Type(message))
 {
+	float dpi = Window::getInstance()->getDpi();
+	_pos.x = ((float)(short)LOWORD(lParam)) * 96.f / dpi;
+	_pos.y = ((float)(short)HIWORD(lParam)) * 96.f / dpi;
 }
 
 float e2d::MouseEvent::getX() const
@@ -27,17 +29,32 @@ e2d::Point e2d::MouseEvent::getPos() const
 
 bool e2d::MouseEvent::isShiftDown() const
 {
-	return _shiftDown;
+	return GET_KEYSTATE_WPARAM(_wParam) == MK_SHIFT;
 }
 
 bool e2d::MouseEvent::isCtrlDown() const
 {
-	return _ctrlDown;
+	return GET_KEYSTATE_WPARAM(_wParam) == MK_CONTROL;
 }
 
 float e2d::MouseEvent::getWheelDelta() const
 {
-	return _wheelDelta;
+	return static_cast<float>(GET_WHEEL_DELTA_WPARAM(_wParam));
+}
+
+bool e2d::MouseEvent::isLButtonDown() const
+{
+	return GET_KEYSTATE_WPARAM(_wParam) == MK_LBUTTON;
+}
+
+bool e2d::MouseEvent::isRButtonDown() const
+{
+	return GET_KEYSTATE_WPARAM(_wParam) == MK_RBUTTON;
+}
+
+bool e2d::MouseEvent::isMButtonDown() const
+{
+	return GET_KEYSTATE_WPARAM(_wParam) == MK_MBUTTON;
 }
 
 e2d::MouseEvent::Type e2d::MouseEvent::getType() const

core/Node/Button.cpp

@@ -6,7 +6,7 @@
 
 e2d::Button::Button()
 	: _func(nullptr)
-	, _state(ButtonState::Normal)
+	, _status(Status::Normal)
 	, _enabled(true)
 	, _isSelected(false)
 	, _normal(nullptr)
@@ -18,7 +18,7 @@ e2d::Button::Button()
 
 e2d::Button::Button(Node * normal, const Function& func)
 	: _func(nullptr)
-	, _state(ButtonState::Normal)
+	, _status(Status::Normal)
 	, _enabled(true)
 	, _isSelected(false)
 	, _normal(nullptr)
@@ -32,7 +32,7 @@ e2d::Button::Button(Node * normal, const Function& func)
 
 e2d::Button::Button(Node * normal, Node * selected, const Function& func)
 	: _func(nullptr)
-	, _state(ButtonState::Normal)
+	, _status(Status::Normal)
 	, _enabled(true)
 	, _isSelected(false)
 	, _normal(nullptr)
@@ -47,7 +47,7 @@ e2d::Button::Button(Node * normal, Node * selected, const Function& func)
 
 e2d::Button::Button(Node * normal, Node * mouseover, Node * selected, const Function& func)
 	: _func(nullptr)
-	, _state(ButtonState::Normal)
+	, _status(Status::Normal)
 	, _enabled(true)
 	, _isSelected(false)
 	, _normal(nullptr)
@@ -63,7 +63,7 @@ e2d::Button::Button(Node * normal, Node * mouseover, Node * selected, const Func
 
 e2d::Button::Button(Node * normal, Node * mouseover, Node * selected, Node * disabled, const Function& func)
 	: _func(nullptr)
-	, _state(ButtonState::Normal)
+	, _status(Status::Normal)
 	, _enabled(true)
 	, _isSelected(false)
 	, _normal(nullptr)
@@ -188,69 +188,65 @@ void e2d::Button::setPivot(float pivotX, float pivotY)
 	SAFE_SET(_disabled, setPivot, pivotX, pivotY);
 }
 
-void e2d::Button::_update()
+void e2d::Button::dispatch(const MouseEvent & e)
 {
-	Node::_update();
-
-	if (SceneManager::getInstance()->isTransitioning())
-		return;
-
-	auto input = Input::getInstance();
-	auto window = Window::getInstance();
-
 	if (_enabled && _visible && _normal)
 	{
-		if (input->isRelease(MouseCode::Left))
+		bool contains = _normal->containsPoint(e.getPos());
+		if (e.getType() == MouseEvent::Type::LeftUp && _isSelected && contains)
 		{
-			// 鼠标左键抬起时，判断鼠标坐标是否在按钮内部
+			_isSelected = false;
-			if (_isSelected &&
+			_runCallback();
-				_normal->containsPoint(input->getMousePos()))
+			_setStatus(Status::Normal);
+		}
+		else if (e.getType() == MouseEvent::Type::LeftDown)
+		{
+			_isSelected = contains;
+			_setStatus(contains ? Status::Selected : Status::Normal);
+		}
+		else if (e.getType() == MouseEvent::Type::LeftUp)
+		{
+			_isSelected = false;
+		}
+		else if (e.getType() == MouseEvent::Type::Move && _isSelected && contains)
+		{
+			_setStatus(Status::Selected);
+		}
+		else
+		{
+			if (!e.isLButtonDown() && _isSelected)
 			{
 				_isSelected = false;
-				_runCallback();
 			}
+			_setStatus(contains ? Status::Mouseover : Status::Normal);
 		}
-
-		if (input->isPress(MouseCode::Left))
-		{
-			if (_normal->containsPoint(input->getMousePos()))
-			{
-				// 鼠标左键按下，且位于按钮内时，标记 _isSelected 为 true
-				_isSelected = true;
-				return;
-			}
-		}
-
-		if (_isSelected && input->isDown(MouseCode::Left))
-		{
-			if (_normal->containsPoint(input->getMousePos()))
-			{
-				_setState(ButtonState::Selected);
-				window->setCursor(Window::Cursor::Hand);
-				return;
-			}
-		}
-		else if (_normal->containsPoint(input->getMousePos()))
-		{
-			_setState(ButtonState::Mouseover);
-			window->setCursor(Window::Cursor::Hand);
-			return;
-		}
-
-		_setState(ButtonState::Normal);
 	}
 
-	if (_visible && !_enabled && _normal && _normal->containsPoint(input->getMousePos()))
+	Node::dispatch(e);
+}
+
+void e2d::Button::_render()
+{
+	Node::_render();
+
+	if (_visible &&
+		!_enabled &&
+		_normal &&
+		_normal->containsPoint(Input::getInstance()->getMousePos()))
 	{
-		window->setCursor(Window::Cursor::No);
+		Window::getInstance()->setCursor(Window::Cursor::No);
+	}
+	else if (_status == Status::Mouseover || _status == Status::Selected)
+	{
+		Window::getInstance()->setCursor(Window::Cursor::Hand);
 	}
 }
 
-void e2d::Button::_setState(ButtonState state)
+void e2d::Button::_setStatus(Status status)
 {
-	if (_state != state)
+	if (_status != status)
 	{
-		_state = state;
+		_status = status;
 		_updateVisible();
 	}
 }
@@ -264,11 +260,11 @@ void e2d::Button::_updateVisible()
 
 	if (_enabled)
 	{
-		if (_state == ButtonState::Selected && _selected)
+		if (_status == Status::Selected && _selected)
 		{
 			_selected->setVisible(true);
 		}
-		else if (_state == ButtonState::Mouseover && _mouseover)
+		else if (_status == Status::Mouseover && _mouseover)
 		{
 			_mouseover->setVisible(true);
 		}

core/Node/Node.cpp

@@ -304,79 +304,31 @@ void e2d::Node::updateTransform()
 	}
 }
 
-bool e2d::Node::dispatch(const MouseEvent & e)
+void e2d::Node::dispatch(const MouseEvent & e)
 {
-	if (_children.empty())
+	if (!onMouseEvent(e))
+		return;
+
+	if (!_children.empty())
 	{
-		return onMouseEvent(e);
+		for (auto child : _children)
-	}
-	else
-	{
-		size_t i;
-		for (i = 0; i < _children.size(); ++i)
 		{
-			auto child = _children[i];
+			child->dispatch(e);
-			if (child->getOrder() < 0)
-			{
-				if (!child->dispatch(e))
-				{
-					return false;
-				}
-			}
-			else
-			{
-				break;
-			}
 		}
-
-		if (!onMouseEvent(e))
-		{
-			return false;
-		}
-
-		for (; i < _children.size(); ++i)
-			if (!_children[i]->dispatch(e))
-				return false;
-
-		return true;
 	}
 }
 
-bool e2d::Node::dispatch(const KeyEvent & e)
+void e2d::Node::dispatch(const KeyEvent & e)
 {
-	if (_children.empty())
+	if (!onKeyEvent(e))
+		return;
+
+	if (!_children.empty())
 	{
-		return onKeyEvent(e);
+		for (auto child : _children)
-	}
-	else
-	{
-		size_t i;
-		for (i = 0; i < _children.size(); ++i)
 		{
-			auto child = _children[i];
+			child->dispatch(e);
-			if (child->getOrder() < 0)
-			{
-				if (!child->dispatch(e))
-				{
-					return false;
-				}
-			}
-			else
-			{
-				break;
-			}
 		}
-
-		if (!onKeyEvent(e))
-		{
-			return false;
-		}
-
-		for (; i < _children.size(); ++i)
-			if (!_children[i]->dispatch(e))
-				return false;
-
-		return true;
 	}
 }
 

core/Node/ToggleButton.cpp

@@ -12,7 +12,7 @@
 			this->addChild(New);								\
 		}														\
 		Old = New;												\
-		_updateState();											\
+		_updateStatus();											\
 		_updateVisible();										\
 	}															\
 
@@ -117,7 +117,7 @@ void e2d::ToggleButton::setChecked(bool checked)
 	if (_checked != checked)
 	{
 		_checked = checked;
-		_updateState();
+		_updateStatus();
 		_updateVisible();
 	}
 }
@@ -176,7 +176,7 @@ void e2d::ToggleButton::setPivot(float pivotX, float pivotY)
 	SAFE_SET(_disabledOff, setPivot, pivotX, pivotY);
 }
 
-void e2d::ToggleButton::_updateState()
+void e2d::ToggleButton::_updateStatus()
 {
 	if (_checked)
 	{
@@ -207,7 +207,7 @@ void e2d::ToggleButton::_updateState()
 void e2d::ToggleButton::_runCallback()
 {
 	_checked = !_checked;
-	_updateState();
+	_updateStatus();
 
 	if (_func)
 	{

core/e2dbase.h

@@ -230,6 +230,9 @@ public:
 	// 获取窗体大小
 	Size getSize();
 
+	// »ñÈ¡´°¿Ú DPI
+	float getDpi();
+
 	// 获取窗口句柄
 	HWND getHWnd();
 
@@ -279,6 +282,7 @@ private:
 	Size	_size;
 	String	_title;
 	int		_iconID;
+	float	_dpi;
 
 	static Window * _instance;
 };
@@ -299,31 +303,11 @@ public:
 		KeyCode key
 	);
 
-	// 检测键盘某按键是否被点击
-	bool isPress(
-		KeyCode key
-	);
-
-	// 检测键盘某按键是否正在松开
-	bool isRelease(
-		KeyCode key
-	);
-
 	// 检测鼠标按键是否正被按下
 	bool isDown(
 		MouseCode code
 	);
 
-	// 检测鼠标按键是否被点击
-	bool isPress(
-		MouseCode code
-	);
-
-	// 检测鼠标按键是否正在松开
-	bool isRelease(
-		MouseCode code
-	);
-
 	// 获得鼠标X轴坐标值
 	float getMouseX();
 
@@ -357,9 +341,7 @@ private:
 	IDirectInputDevice8W* _keyboardDevice;
 	IDirectInputDevice8W* _mouseDevice;
 	DIMOUSESTATE _mouseState;
-	DIMOUSESTATE _mouseRecordState;
 	char _keyBuffer[256];
-	char _keyRecordBuffer[256];
 
 	static Input * _instance;
 };

core/e2dcommon.h

@@ -586,6 +586,7 @@ public:
 
 public:
 	explicit KeyEvent(
+		HWND hWnd,
 		UINT message,
 		WPARAM wParam,
 		LPARAM lParam
@@ -634,15 +635,19 @@ public:
 
 public:
 	explicit MouseEvent(
+		HWND hWnd,
 		UINT message,
 		WPARAM wParam,
 		LPARAM lParam
 	);
 
+	// 获取鼠标横坐标
 	float getX() const;
 
+	// 获取鼠标纵坐标
 	float getY() const;
 
+	// 获取鼠标坐标
 	Point getPos() const;
 
 	// 获取事件类型
@@ -650,6 +655,15 @@ public:
 
 	float getWheelDelta() const;
 
+	// 鼠标左键是否按下
+	bool isLButtonDown() const;
+
+	// 鼠标右键是否按下
+	bool isRButtonDown() const;
+
+	// 鼠标中键是否按下
+	bool isMButtonDown() const;
+
 	// Shift 键是否按下
 	bool isShiftDown() const;
 
@@ -657,9 +671,9 @@ public:
 	bool isCtrlDown() const;
 
 protected:
-	bool _shiftDown;
+	UINT _message;
-	bool _ctrlDown;
+	WPARAM _wParam;
-	float _wheelDelta;
+	LPARAM _lParam;
 	Point _pos;
 	MouseEvent::Type _type;
 };

core/e2dnode.h

@@ -402,12 +402,12 @@ public:
 	void updateTransform();
 
 	// 分发鼠标消息
-	bool dispatch(
+	virtual void dispatch(
 		const MouseEvent& e
 	);
 
 	// 分发按键消息
-	bool dispatch(
+	virtual void dispatch(
 		const KeyEvent& e
 	);
 
@@ -827,17 +827,22 @@ public:
 		float pivotY
 	) override;
 
+	// 分发鼠标消息
+	virtual void dispatch(
+		const MouseEvent& e
+	) override;
+
 protected:
 	E2D_DISABLE_COPY(Button);
 
 	// 按钮状态枚举
-	enum class ButtonState { Normal, Mouseover, Selected };
+	enum class Status { Normal, Mouseover, Selected };
 
-	// 更新节点
+	// 渲染节点
-	virtual void _update() override;
+	virtual void _render() override;
 
 	// 设置按钮状态
-	virtual void _setState(ButtonState state);
+	virtual void _setStatus(Status status);
 
 	// 刷新按钮显示
 	virtual void _updateVisible();
@@ -852,7 +857,7 @@ protected:
 	Node *		_disabled;
 	bool		_enabled;
 	bool		_isSelected;
-	ButtonState	_state;
+	Status		_status;
 	Function	_func;
 };
 
@@ -958,7 +963,7 @@ protected:
 	E2D_DISABLE_COPY(ToggleButton);
 
 	// 刷新按钮开关
-	virtual void _updateState();
+	virtual void _updateStatus();
 
 	// 执行按钮函数对象
 	virtual void _runCallback() override;