wndfrmpkg.h

一款最完整的工业组态软源代码

	typedef typename CTraits::CSplitterBar	CSplitterBar;
	typedef CSubWndFramesPackage<TPackageFrame,TTraits> thisClass;
	typedef CWndFramesPackageBase<CFrame,TTraits >		baseClass;
	typedef typename TPackageFrame	CPackageFrame;
	enum {controlledLen=(15+CSplitterBar::sbThickness)};
	struct  CDockOrientationFlag
	{
		enum{low=0,high=1};
		static void SetHigh(DWORD& flag)
		{
			flag=high;
		}
		static void SetLow(DWORD& flag)
		{
			flag=low;
		}
		static bool IsLow(DWORD flag)
		{
			return (flag&high)==0;
		}
	};
protected:
	class CFrameWrapper : public IFrame
	{
	public:
		CFrameWrapper(thisClass* ptr):m_ptr(ptr)
		{
		}
		virtual ~CFrameWrapper()
		{
		}
		virtual  HWND hwnd() const
		{
			return NULL;
		}
/*
		virtual bool AcceptDock(DFDOCKRECT* pHdr) const
		{
			return m_ptr->AcceptDock(pHdr);
		}
*/
		virtual bool AcceptDock(DFDOCKRECT* /*pHdr*/) const
		{
			assert(false);
			return true;
		}

		virtual HDWP DeferFramePos(HDWP hdwp,long x1,long y1,long x2,long y2) const
		{
			m_ptr->UpdateLayout(CRect(x1,y1,x2,y2));
			return hdwp;
		}
		virtual void GetMinMaxInfo(LPMINMAXINFO pMinMaxInfo) const
		{
			m_ptr->GetMinMaxInfo(pMinMaxInfo);
		}
		virtual distance MinDistance() const
		{
			MINMAXINFO mmInfo;
			ZeroMemory(&mmInfo,sizeof(MINMAXINFO));
			GetMinMaxInfo(&mmInfo);
			return m_ptr->IsHorizontal() ? mmInfo.ptMinTrackSize.y : mmInfo.ptMinTrackSize.x;
		}
	protected:
		thisClass* m_ptr;
	};
public:
	CSubWndFramesPackage(bool bHorizontal)
		:baseClass(bHorizontal),m_pDecl(0)
	{
		SetRectEmpty();
	}
	HCURSOR GetCursor(const CPoint& pt) const
	{
		return baseClass::GetCursor(pt,*this);
	}
	bool StartSliding(HWND hWnd,const CPoint& pt,bool bGhostMove)
	{
		return baseClass::StartSliding(hWnd,pt,*this,bGhostMove);
	}

#ifndef DW_PROPORTIONAL_RESIZE
	bool UpdateLayout(const CRect& rc)
	{
		bool bRes=EqualRect(&rc)!=FALSE;
		if(!bRes)
		{
			CopyRect(rc);
			CBounds bounds;
			if(IsHorizontal())
			{
					bounds.low=rc.left;
					bounds.hi=rc.right;
			}
			else
			{
					bounds.low=rc.top;
					bounds.hi=rc.bottom;
			}
			bounds.low-=splitterSize;

			CBounds::distance_t limit=m_frames.distance_limit();
			if(bounds.distance()<limit)
							bounds.hi=bounds.low+limit;
			if(m_pDecl!=0)
				m_frames.set_bounds(bounds,CFrame::CCmp(m_pDecl->hwnd()));
			else
				m_frames.set_bounds(bounds);
			bRes=Arrange(rc);
		}
		return bRes;
	}
#else
	bool UpdateLayout(const CRect& rc)
	{
		bool bRes=EqualRect(&rc)!=FALSE;
		if(!bRes)
		{
			CopyRect(rc);
			bRes=baseClass::UpdateLayout(*this);
		}
		return bRes;
	}
#endif //DW_PROPORTIONAL_RESIZE
	void Draw(CDC& dc)
	{
		baseClass::Draw(dc,*this);
	}

	bool AcceptDock(DFDOCKRECT* pHdr)
	{
		CPoint pt(pHdr->rect.left,pHdr->rect.top);
		CSize sz(0,0);
		position pos;
		if(IsHorizontal())
		{
			pos=pt.x;
			sz.cx=controlledLen;
		}
		else
		{
			pos=pt.y;
			sz.cy=controlledLen;
		}
		bool bRes=PtInRect(pt)==TRUE;
		if(bRes)
		{
//			position pos=IsHorizontal() ? pHdr->rect.left :pHdr->rect.top;
			const_iterator i=m_frames.locate(pos);
			if( m_frames.get_frame_low(i)+controlledLen>pos)
				bRes=AcceptDock(i,pHdr,*this);
			else
			{
				if( m_frames.get_frame_hi(i)-controlledLen<pos)
					bRes=AcceptDock(++i,pHdr,*this);
				else
				{
					bRes=i->hwnd()!=m_pDecl->hwnd();
					if(bRes)
						bRes=(*i)->AcceptDock(pHdr);
				}
			}
		}
		else
		{
			CRect rc(this);
			rc.InflateRect(sz);
			bRes=rc.PtInRect(pt)==TRUE;
			if(bRes)
			{
				if(pos<m_frames.hi())
					bRes=AcceptDock(m_frames.begin(),pHdr,rc);
				else
					bRes=AcceptDock(m_frames.end(),pHdr,rc);
			}
		}
		return bRes;
	}

	bool AcceptDock(const_iterator i,DFDOCKRECT* pHdr,const CRect& rc)
	{
		assert(std::find_if(m_frames.begin(),m_frames.end(),CFrame::CCmp(m_pDecl->hwnd()))!=m_frames.end());
		const_iterator begin=m_frames.begin();
		if(std::find_if(begin,i,CFrame::CCmp(m_pDecl->hwnd()))==i)
			CDockOrientationFlag::SetLow(pHdr->flag);
		else
			CDockOrientationFlag::SetHigh(pHdr->flag);

		bool bRes=baseClass::AcceptDock(pHdr,rc);
		if(bRes)
		{
			if(IsHorizontal())
			{
				long len=(pHdr->rect.right-pHdr->rect.left);
				if(CDockOrientationFlag::IsLow(pHdr->flag))
				{
					assert(i!=m_frames.end());
					pHdr->rect.left=(*i)+CSplitterBar::GetThickness();
					pHdr->rect.right=pHdr->rect.left+len;
				}
				else
				{
					pHdr->rect.right=(i==m_frames.end()) ? m_frames.hi() : (*i);
					pHdr->rect.left=pHdr->rect.right-len;

				}
			}
			else
			{
				long len=(pHdr->rect.bottom-pHdr->rect.top);
				if(CDockOrientationFlag::IsLow(pHdr->flag))
				{
					assert(i!=m_frames.end());
					pHdr->rect.top=(*i)+CSplitterBar::GetThickness();
					pHdr->rect.bottom=pHdr->rect.top+len;
				}
				else
				{
					pHdr->rect.bottom=(i==m_frames.end()) ? m_frames.hi() : (*i);
					pHdr->rect.top=pHdr->rect.bottom-len;
				}
			}
		}
		return bRes;
	}
	bool Dock(CFrame& frame,const DFDOCKRECT* pHdr,const CRect& rc)
	{
		position		  pos;
		CFrames::distance len;

		if(IsHorizontal())
		{
			pos=pHdr->rect.left;
			len=pHdr->rect.right-pHdr->rect.left;
		}
		else
		{
			pos=pHdr->rect.top;
			len=pHdr->rect.bottom-pHdr->rect.top;
		}
		frame=pos;
		if(!CDockOrientationFlag::IsLow(pHdr->flag))
			pos+=len;
		iterator i;
		if(pos!=m_frames.hi())
			i=m_frames.locate(pos);
		else
			i=m_frames.end();
		m_frames.insert(i,CFrame::CCmp(m_pDecl->hwnd()),frame,len);
		return Arrange(rc);
	}

	bool Dock(DFDOCKRECT* pHdr)
	{
		CPackageFrame* ptr=CPackageFrame::CreateInstance(pHdr->hdr.hBar,!IsHorizontal());
		bool bRes=(ptr!=0);
		if(bRes)
		{
			HWND hDockWnd=pHdr->hdr.hWnd;
			pHdr->hdr.hWnd=ptr->hwnd();
			CFrame frame(0,ptr);
			bRes=Dock(frame,pHdr,*this);
			assert(bRes);
			if(bRes)
			{
				pHdr->hdr.hWnd=hDockWnd;
				pHdr->hdr.hBar=ptr->hwnd();
				CWindow bar(pHdr->hdr.hBar);
				bar.GetWindowRect(&(pHdr->rect));
				bRes=::SendMessage(ptr->hwnd(),WMDF_DOCK,NULL,reinterpret_cast<LPARAM>(pHdr))!=FALSE;
			}
		}
		return bRes;
	}

	bool Undock(const DFMHDR* pHdr)
	{
		iterator i=std::find_if(m_frames.begin(),m_frames.end(),CFrame::CCmp(pHdr->hWnd));
		bool bRes=(i!=m_frames.end());
		if(bRes)
		{
			m_frames.erase(i,CFrame::CCmp(m_pDecl->hwnd()));
			bRes=Arrange(*this);
		}
		return bRes;
	}

	bool GetDockingPosition(DFDOCKPOS* pHdr) const
	{
		const_iterator i=std::find_if(m_frames.begin(),m_frames.end(),CFrame::CCmp(pHdr->hdr.hBar));
		bool bRes=(i!=m_frames.end());
		if(bRes)
		{
			pHdr->nWidth=m_frames.get_frame_size(i)-CSplitterBar::GetThickness();
			CFrames::size_type dWnd=std::distance(m_frames.begin(),i);
			i=std::find_if(m_frames.begin(),m_frames.end(),CFrame::CCmp(m_pDecl->hwnd()));
			assert(i!=m_frames.end());
			CFrames::size_type dBWnd=std::distance(m_frames.begin(),i);
			if(dBWnd>dWnd)
			{
				pHdr->nBar=dWnd;
				pHdr->dwDockSide|=CDockingSide::sTop;
			}
			else
			{
				pHdr->nBar=m_frames.size()-dWnd-1;
//				pHdr->dwDockSide|=0;
			}
			bRes=(::SendMessage(pHdr->hdr.hBar,WMDF_DOCK,NULL,reinterpret_cast<LPARAM>(pHdr))!=FALSE);
		}
		return bRes;
	}

//	bool SetDockingPosition(DFDOCKPOS* pHdr)
//	{
//		bool bRes=true;
//		unsigned long limit=GetMinFrameDist(&(pHdr->hdr));
//		if(pHdr->nWidth<limit)
//						pHdr->nWidth=limit;
//		CDockingSide side(pHdr->dwDockSide);
//		if(side.IsTop())
//		{
//			iterator i=ssec::search_n(m_frames.begin(),m_frames.end(),CFrame::CCmp(m_pDecl->hwnd()),pHdr->nBar);
//			assert(i!=m_frames.end());
//			if(i->hwnd()==m_pDecl->hwnd() || side.IsSingle())
//			{
//				CPackageFrame* ptr=CPackageFrame::CreateInstance(pHdr->hdr.hBar,!IsHorizontal());
//				bRes=(ptr!=0);
//				if(bRes)
//				{
////					i=m_frames.insert(i,CFrame(*i,ptr),pHdr->nWidth);
//					i=m_frames.insert(i,CFrame::CCmp(m_pDecl->hwnd()),CFrame(*i,ptr),pHdr->nWidth+splitterSize);
//				}
//			}
//			else
//				m_frames.set_frame_size(i,pHdr->nWidth+splitterSize);
//			pHdr->hdr.hBar=i->hwnd();
//		}
//		else
//		{
//			reverse_iterator ri=ssec::search_n(m_frames.rbegin(),m_frames.rend(),CFrame::CCmp(m_pDecl->hwnd()),pHdr->nBar);
//			assert(ri!=m_frames.rend());
//			iterator i=ri.base();
//			if(/*ri->hwnd()*/(*ri).hwnd()==m_pDecl->hwnd() || side.IsSingle())
//			{
//				CPackageFrame* ptr=CPackageFrame::CreateInstance(pHdr->hdr.hBar,!IsHorizontal());
//				bRes=(ptr!=0);
//				if(bRes)
//				{
//					position pos=(i==m_frames.end())? m_frames.hi():*i;
//					pos-=pHdr->nWidth+CSplitterBar::GetThickness();
//					if(pos<m_frames.low())
//						pos=m_frames.low();
////					i=m_frames.insert(i,CFrame(pos,ptr),pHdr->nWidth);
//					i=m_frames.insert(i,CFrame::CCmp(m_pDecl->hwnd()),CFrame(pos,ptr),pHdr->nWidth+splitterSize);
//				}
//			}
//			else
//			{
//				assert(i!=m_frames.begin());
//				m_frames.set_frame_size(--i,pHdr->nWidth+splitterSize);
//			}
//			pHdr->hdr.hBar=i->hwnd();
//		}
//		bRes=Arrange(*this);
//		assert(bRes);
//		if(bRes)
//		{
//			bRes=(::SendMessage(pHdr->hdr.hBar,WMDF_DOCK,NULL,reinterpret_cast<LPARAM>(pHdr))!=FALSE);
//			assert(bRes);
//		}
//		return bRes;
//	}

	bool SetDockingPosition(DFDOCKPOS* pHdr)
	{
		bool bRes=true;
		unsigned long limit=GetMinFrameDist(&(pHdr->hdr));
		if(pHdr->nWidth<limit)
						pHdr->nWidth=limit;
		CDockingSide side(pHdr->dwDockSide);
		if(side.IsTop())
		{
			iterator i=ssec::search_n(m_frames.begin(),m_frames.end(),CFrame::CCmp(m_pDecl->hwnd()),pHdr->nBar);
			assert(i!=m_frames.end());
			if(i->hwnd()==m_pDecl->hwnd() || side.IsSingle())
			{
				CPackageFrame* ptr=CPackageFrame::CreateInstance(pHdr->hdr.hBar,!IsHorizontal());
				bRes=(ptr!=0);
				if(bRes)
				{
//					i=m_frames.insert(i,CFrame(*i,ptr),pHdr->nWidth);
					i=m_frames.insert(i,CFrame::CCmp(m_pDecl->hwnd()),CFrame(*i,ptr),pHdr->nWidth+splitterSize);
					bRes=Arrange(*this);
					assert(bRes);
				}
			}
			pHdr->hdr.hBar=i->hwnd();
		}
		else
		{
			reverse_iterator ri=ssec::search_n(m_frames.rbegin(),m_frames.rend(),CFrame::CCmp(m_pDecl->hwnd()),pHdr->nBar);
			assert(ri!=m_frames.rend());
			iterator i=ri.base();
			if(/*ri->hwnd()*/(*ri).hwnd()==m_pDecl->hwnd() || side.IsSingle())
			{
				CPackageFrame* ptr=CPackageFrame::CreateInstance(pHdr->hdr.hBar,!IsHorizontal());
				bRes=(ptr!=0);
				if(bRes)
				{
					position pos=(i==m_frames.end())? m_frames.hi():*i;
					pos-=pHdr->nWidth+CSplitterBar::GetThickness();
					if(pos<m_frames.low())
						pos=m_frames.low();
//					i=m_frames.insert(i,CFrame(pos,ptr),pHdr->nWidth);
					i=m_frames.insert(i,CFrame::CCmp(m_pDecl->hwnd()),CFrame(pos,ptr),pHdr->nWidth+splitterSize);
					bRes=Arrange(*this);
					assert(bRes);
					pHdr->hdr.hBar=i->hwnd();
				}
			}
			else
				pHdr->hdr.hBar=/*ri->hwnd()*/(*ri).hwnd();
		}
		if(bRes)
		{
			bRes=(::SendMessage(pHdr->hdr.hBar,WMDF_DOCK,NULL,reinterpret_cast<LPARAM>(pHdr))!=FALSE);
			assert(bRes);
		}
		return bRes;
	}

	bool Insert(HWND* ptr, const CRect& rc)
	{
		DFDOCKRECT dockHdr;
		::CopyRect(&dockHdr.rect,&rc);
		assert(m_pDecl==0);
		m_pDecl=new CWindowPtrWrapper(ptr);
		CFrame frame(0,m_pDecl);
		return baseClass::Dock(frame,&dockHdr,*this);
	}
	bool Insert(thisClass* ptr, const CRect& rc)
	{
		DFDOCKRECT dockHdr;
		::CopyRect(&dockHdr.rect,&rc);
		assert(m_pDecl==0);
		m_pDecl=new CFrameWrapper(ptr);
		CFrame frame(0,m_pDecl);
		return baseClass::Dock(frame,&dockHdr,*this);
	}
protected:
	IFrame* m_pDecl;
};

}//namespace dockwins

#endif // __WTL_DW__WNDFRMPKG_H__