Cocos2D-X 3.10通用窗口控件 Ctl_WinForm

palqq

于 2019-03-27 16:31:41 发布

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CC 4.0 BY-SA版权

分类专栏： cocos2d-x

本文链接：https://blog.youkuaiyun.com/palqq/article/details/88847762

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本文介绍了一个可自由拖拽的小窗口组件实现，该组件基于Cocos2d-x开发，支持自定义窗口大小、颜色等属性，并提供了子节点添加功能及触摸事件处理。

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可以自由拖拽的小窗口

#define RS_BREAK_IF(RF) if(RF) break

/////////////////////////

//CTL_WinForm.h

////////////////////////
class Ctl_WinForm : public Sprite
{
public:
   static Ctl_WinForm * create();
   static Ctl_WinForm * create(std::string &_title, Color4B _title_color, float _title_height, Color4B _layer_tile_color, float _win_width, float _win_height, Color4B _win_color);
   Ctl_WinForm();
   virtual ~Ctl_WinForm();
   virtual bool init();
   virtual bool init(std::string &_title, Color4B _title_color, float _title_height, Color4B _layer_tile_color, float _win_width, float _win_height, Color4B _win_color);   // 初始化

   //////////////////////////////////////////////////////////////////////////
   // 控制功能
public:
   void SetTitle(std::string _title);
   void SetTitleColor(Color4B _color);
   void SetLayerTitleColor(Color4B _color);
   void SetWinFormSize(float _width, float _height, float _title_height);
   void SetWinFormColor(Color4B _color);

   //////////////////////////////////////////////////////////////////////////
   // 增加 addChild_winform
   virtual void addChild_winform(Node * child);
   virtual void addChild_winform(Node * child, int localZOrder);
   virtual void addChild_winform(Node* child, int localZOrder, int tag);
   virtual void addChild_winform(Node* child, int localZOrder, const std::string &name);
private:
   //////////////////////////////////////////////////////////////////////////
   // 布置控件
   bool LayoutControl(std::string &_title, Color4B _title_color, float _title_height, Color4B _layer_tile_color, float _win_width, float _win_height, Color4B _win_color);

   //////////////////////////////////////////////////////////////////////////
   // Layer 控件
   cocos2d::LayerColor * layer_win;
   cocos2d::LayerColor * layer_title;

// Label 控件
cocos2d::Label * label_title;

   //////////////////////////////////////////////////////////////////////////
   // 坐标变量
   cocos2d::Point currentPoint;   // 当前坐标
   cocos2d::Point offsetRange;       // 移动偏移

   //////////////////////////////////////////////////////////////////////////
   // layer_win 防穿透
   bool swallow;

   //////////////////////////////////////////////////////////////////////////
   // 静态数组窗口管理
   static std::vector<Ctl_WinForm *> vec_winform;

   //////////////////////////////////////////////////////////////////////////
   // 触屏监听函数
   bool onTouchBegan(Touch * _touch, Event * _event);
   void onTouchMoved(Touch * _touch, Event * _event);
   void onTouchEnded(Touch * _touch, Event * _event);

void moveLayer(Point _offset);
};

/////////////////////////

//CTL_WinForm.cpp

////////////////////////

//////////////////////////////////////////////////////////////////////////
// 静态数组窗口管理
std::vector<Ctl_WinForm *> Ctl_WinForm::vec_winform;

Ctl_WinForm * Ctl_WinForm::create()
{
   Ctl_WinForm * sprite = new (std::nothrow) Ctl_WinForm;
   if (sprite && sprite->init())
   {
       sprite->autorelease();
       return sprite;
   }
   CC_SAFE_DELETE(sprite);
   return nullptr;
}

Ctl_WinForm * Ctl_WinForm::create(std::string &_title, Color4B _title_color, float _title_height, Color4B _layer_tile_color, float _win_width, float _win_height, Color4B _win_color)
{
   Ctl_WinForm * sprite = new (std::nothrow) Ctl_WinForm;
   if (sprite && sprite->init(_title, _title_color, _title_height, _layer_tile_color, _win_width, _win_height, _win_color))
   {
       sprite->autorelease();
       return sprite;
   }
   CC_SAFE_DELETE(sprite);
   return nullptr;
}

Ctl_WinForm::Ctl_WinForm()
{
layer_win = nullptr; // Layer 控件
layer_title = nullptr;

currentPoint = Point::ZERO; // 当前坐标
offsetRange = Point::ZERO; // 移动偏移

vec_winform.push_back(this); // 注册窗口
}

Ctl_WinForm::~Ctl_WinForm()
{
   // 删除窗口
   std::vector<Ctl_WinForm *>::iterator it = vec_winform.begin();
   for (; it != vec_winform.end(); it++)
   {
       if (*it == this)
       {
           vec_winform.erase(it);
           break;
       }
   }
}

bool Ctl_WinForm::init()
{
   return init(std::string("unknow")
       , Color4B(51, 51, 51, 255)
       , 30.0f
       , Color4B(255, 153, 51, 255)
       , 600
       , 400
       , Color4B(153, 204, 204, 255));
}

bool Ctl_WinForm::init(std::string &_title, Color4B _title_color, float _title_height, Color4B _layer_tile_color, float _win_width, float _win_height, Color4B _win_color)
{
if (!Sprite::init())
return false;

   do
   {
       //////////////////////////////////////////////////////////////////////////
       // 布置控件
       RS_BREAK_IF(LayoutControl(_title, _title_color, _title_height, _layer_tile_color, _win_width, _win_height, _win_color) == false);

return true;

} while (0);

//////////////////////////////////////////////////////////////////////////
// 日志省略

return false;
}

//////////////////////////////////////////////////////////////////////////
// 控制功能

void Ctl_WinForm::SetTitle(std::string _title)
{
   label_title->setString(_title);
}
void Ctl_WinForm::SetTitleColor(Color4B _color)
{
   label_title->setColor(Color3B(_color));
}
void Ctl_WinForm::SetLayerTitleColor(Color4B _color)
{
   layer_title->setColor(Color3B(_color));
}
void Ctl_WinForm::SetWinFormSize(float _width, float _height, float _title_height)
{
   layer_win->setContentSize(Size(_width, _height));
   layer_title->setContentSize(Size(_width, _title_height));
}
void Ctl_WinForm::SetWinFormColor(Color4B _color)
{
   layer_win->setColor(Color3B(_color));
}

//////////////////////////////////////////////////////////////////////////
// 增加 addChild_winform
void Ctl_WinForm::addChild_winform(Node * child)
{
   if (layer_win != nullptr)
   {
       layer_win->addChild(child);
   }
}
void Ctl_WinForm::addChild_winform(Node * child, int localZOrder)
{
   if (layer_win != nullptr)
   {
       layer_win->addChild(child, localZOrder);
   }
}
void Ctl_WinForm::addChild_winform(Node* child, int localZOrder, int tag)
{
   if (layer_win != nullptr)
   {
       layer_win->addChild(child, localZOrder, tag);
   }
}
void Ctl_WinForm::addChild_winform(Node* child, int localZOrder, const std::string &name)
{
   if (layer_win != nullptr)
   {
       layer_win->addChild(child, localZOrder, name);
   }
}

bool Ctl_WinForm::LayoutControl(std::string &_title, Color4B _title_color, float _title_height, Color4B _layer_tile_color, float _win_width, float _win_height, Color4B _win_color)
{
   do
   {
       //////////////////////////////////////////////////////////////////////////
       // 获取窗口信息（可视尺寸、起始点、中心点）
       Size visible = Director::getInstance()->getVisibleSize();
       Vec2 origin = Director::getInstance()->getVisibleOrigin();
       Point center = Point(visible.width * 0.5f + origin.x, visible.height * 0.5f + origin.y);

       //////////////////////////////////////////////////////////////////////////
       // 窗体
       layer_win = LayerColor::create(_win_color, _win_width, _win_height);
       layer_win->setPosition(0, 0);
       this->addChild(layer_win, 1);

       //////////////////////////////////////////////////////////////////////////
       // 标题栏
       layer_title = LayerColor::create(_layer_tile_color, _win_width, _title_height);
       layer_title->setPosition(0, _win_height);
       this->addChild(layer_title, 2);

       //////////////////////////////////////////////////////////////////////////
       // 标题
       label_title = Label::createWithTTF(_title, std::string("fonts/msyh.ttc"), 16);
       label_title->setIgnoreAnchorPointForPosition(false);
       label_title->setAnchorPoint(Point::ZERO);
       label_title->setColor(Color3B(_title_color));
       label_title->setPosition(10, 6);
       layer_title->addChild(label_title, 1);

       //////////////////////////////////////////////////////////////////////////
       // 触屏监听
       auto listener = EventListenerTouchOneByOne::create();
       listener->setSwallowTouches(true);
       listener->onTouchBegan = CC_CALLBACK_2(Ctl_WinForm::onTouchBegan, this);
       listener->onTouchMoved = CC_CALLBACK_2(Ctl_WinForm::onTouchMoved, this);
       listener->onTouchEnded = CC_CALLBACK_2(Ctl_WinForm::onTouchEnded, this);
       _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);

return true;

   } while (0);
   // 日志省略
   return false;
}

bool Ctl_WinForm::onTouchBegan(Touch* _touch, Event* _event)
{
   do
   {
       RS_BREAK_IF(layer_win == nullptr);
       RS_BREAK_IF(layer_title == nullptr);

       Point P = this->getParent()->convertToNodeSpace(_touch->getLocation());
       Rect R = layer_title->getBoundingBox();
       Rect R_2 = layer_win->getBoundingBox();

       // 调整窗口显示顺序
       if (R.containsPoint(P)== true || R_2.containsPoint(P) == true)
       {
           for (auto it : vec_winform)
               it->setLocalZOrder(1);
           this->setLocalZOrder(2);
       }

       // 拖动功能
       if (R.containsPoint(P) == true)
       {
           swallow = false;
           offsetRange = Point::ZERO;
           currentPoint = P;

return true;
}

       // layer_win 防穿透
       if (R_2.containsPoint(P) == true)
       {
           swallow = true;
           return true;
       }

   } while (0);
   return false;
}
void Ctl_WinForm::onTouchMoved(Touch* _touch, Event* _event)
{
   do
   {
       RS_BREAK_IF(swallow == true);   // layer_win 防穿透

Point P = _touch->getLocation();

       if (currentPoint != P)
       {
           Rect R = this->getParent()->getBoundingBox();
           if (R.containsPoint(P) == true)
           {
               offsetRange = P - currentPoint;
               currentPoint = P;
               moveLayer(offsetRange);
           }
       }

return;

} while (0);
}

void Ctl_WinForm::moveLayer(Point _offset)
{
   do
   {
       // layer_title
       Point np = layer_title->getPosition() + _offset;
       layer_title->setPosition(np);

// layer_win
layer_win->setPosition(layer_title->getPosition() - Point(0, layer_win->getContentSize().height));

} while (0);

}

void Ctl_WinForm::onTouchEnded(Touch* _touch, Event* _event)
{
currentPoint = Point::ZERO;
offsetRange = Point::ZERO;
}

///////////////////////////////////////

//使用方式

Ctl_WinForm * rs_winform = Ctl_WinForm::create();

Sprite * _example = Sprite::create(...);

rs_winform ->addChild_winform(_example );

this->addChild(rs_winform);