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Custom Tab Controls, Tabbed Frame and Tabbed MDI

, 13 Jul 2005
An extensible framework for creating customized tabs in ATL/WTL, with a VS.NET-like tab control implementation, tabbed frames, tabbed MDI, and more.
tabbingframework_demo.zip
TabbedSDISplitter
Release
TabbedSDISplitter.exe
res
Doc.ico
folder_c.ico
folder_o.ico
TabbedSDISplitter.exe.manifest
TabbedSDISplitter.ico
toolbar.bmp
TabbedSDISplitter.dsp
TabbedSDISplitter.dsw
TabDemo
Release
TabDemo.exe
res
error.ico
folder_closed.ico
folder_open.ico
info.ico
log.ico
TabDemo.exe.manifest
TabDemo.ico
TabDemodoc.ico
toolbar.bmp
warning.ico
TabDemo.dsp
TabDemo.dsw
DockingDemo
DockingDemo.dsp
DockingDemo.dsw
Release
DockingDemo.exe
res
DockingDemo.exe.manifest
DockingDemo.ico
DockingDemodoc.ico
error.ico
folder_closed.ico
folder_open.ico
info.ico
log.ico
msdev_tab_icons.bmp
toolbar.bmp
warning.ico
include
Sergey Klimov
SimpleTabbedMDIDemo
Release
SimpleTabbedMDIDemo.exe
res
SimpleTabbedMDIDemo.exe.manifest
SimpleTabbedMDIDemo.ico
SimpleTabbedMDIDemodoc.ico
toolbar.bmp
SimpleTabbedMDIDemo.dsp
SimpleTabbedMDIDemo.dsw
tabbingframework_history.zip
tabbingframework_priorhistory.zip
tabbingframework_src.zip
// Copyright (c) 2002
// Sergey Klimov (kidd@ukr.net)
// WTL Docking windows
//
// This code is provided "as is", with absolutely no warranty expressed
// or implied. Any use is at your own risk.
//
// This code may be used in compiled form in any way you desire. This
// file may be redistributed unmodified by any means PROVIDING it is
// not sold for profit without the authors written consent, and
// providing that this notice and the authors name is included. If
// the source code in  this file is used in any commercial application
// then a simple email woulod be nice.

#ifndef __SSEC_H__
#define __SSEC_H__

#pragma once

#include <cassert>
#include <deque>
#include <algorithm>
#include <functional>
#include <numeric>

namespace ssec{

template <class TPosition,class TDistance=TPosition>
struct bounds_type
{
	typedef TPosition position_t;
	typedef TDistance distance_t;
	typedef bounds_type<position_t,distance_t> bounds_t;

	bounds_type(){}
	bounds_type(position_t l,position_t h)
			:low(l),hi(h)
	{
	}
	distance_t distance() const
	{
		return hi-low;
	}
	bounds_t& operator=(const bounds_t& x)
	{
		hi=x.hi;
		low=x.low;
		return *this;
	}
	position_t bind(position_t pos) const
	{
		if(pos<low)
			pos=low;
		else
		if(pos>hi)
			pos=hi;
		return pos;
	}
	position_t low;
	position_t hi;
};

//uncommenting default value for TPosition yield "fatal error C1001: INTERNAL COMPILER ERROR" I don't know why
template<class T,class TPosition/*=long*/,class TDistance=long,const TDistance TMinDistance=0>
class spraits
{
public:
	typedef TPosition position;
	typedef TDistance distance;
	static distance min_distance(const T& /*x*/)
	{
		return TMinDistance;
	}
};

//SeparatedSection
template<class T,class TTraits >
class ssection
{
	typedef T						separator_t;
	typedef TTraits					traits;

	typedef std::deque<separator_t>	separators_t;
public:
	typedef typename traits::position				position;
	typedef typename traits::distance				distance;
	typedef bounds_type<position,distance>			bounds_t;
	typedef typename separators_t::size_type		size_type;
	typedef typename separators_t::iterator			iterator;
	typedef typename separators_t::reverse_iterator	reverse_iterator;
	typedef typename separators_t::const_iterator	const_iterator;
	typedef typename separators_t::const_reverse_iterator	const_reverse_iterator;
protected:
	static distance add_distance_limit(distance d,const T& x)
	{
		return d+traits::min_distance(x);
	}
	distance distance_limit(const_iterator begin,const_iterator end) const
	{
//		return std::distance(begin,end)*traits::minDistance;
		return std::accumulate(begin,end,0,add_distance_limit);
	}
	template<class T>
	void lshrink(T begin,T end,position rbound,position offset=0)
	{
		while(begin!=end)
		{
			(*begin)+=offset;
			if((*begin)>rbound)
				(*begin)=rbound;
			rbound+=traits::min_distance(*begin);
			++begin;
		}
	}
	template<class T>
	void rshrink(T begin,T end,position lbound,position offset=0)
	{
		while(begin!=end)
		{
			(*begin)+=offset;
			lbound-=traits::min_distance(*begin);
			if((*begin)<lbound)
				(*begin)=lbound;
			++begin;
		}
	}

	inline const double& Min( const double& a, const double& b )
	{
		return b < a ? b : a;
	}
	inline const double& Max( const double& a, const double& b )
	{
		return a < b ? b : a;
	}

	template<class T>
	void scale(T begin,T end,bounds_t bounds,float ratio)
	{
		if(begin!=end)
		{
			double low=bounds.low;
			double offset=low-begin->get_real();
			(*begin)=low;
			bounds.low+=traits::min_distance(*begin);
			bounds.hi-=distance_limit(++begin,end);
			while(begin!=end)
			{
				(*begin)= begin->get_real() + offset;
// pk021110 replaced following line due to truncation error.
// Also CPtrFrame & CWndFrame classes modified to use double m_pos.
//				(*begin)=(double)(bounds.bind(low+position(((*begin)-low)*ratio)));
				(*begin)=Max((double)bounds.low,Min((double)bounds.hi,low+(begin->get_real()-low)*ratio));
				distance d=traits::min_distance(*begin);
				bounds.hi+=d;
				bounds.low=(*begin)+d;
				++begin;
			}
		}
	}
	template<class T>
	void shift(T begin,T end,distance n)
	{
		std::transform(begin,end,begin,std::bind2nd(std::plus<position>(),n));
	}
public:
	ssection()
	{
	}
	ssection(position low,position hi)
		:m_bounds(low,hi)
	{
	}
	position low() const
	{
		return m_bounds.low;
	}
	position hi() const
	{
		return m_bounds.hi;
	}
	iterator begin()
	{
		return m_separators.begin();
	}
	iterator end()
	{
		return m_separators.end();
	}
	reverse_iterator rbegin()
	{
		return m_separators.rbegin();
	}
	reverse_iterator rend()
	{
		return m_separators.rend();
	}

	const_iterator begin() const
	{
		return m_separators.begin();
	}
	const_iterator end() const
	{
		return m_separators.end();
	}
	const_reverse_iterator rbegin() const
	{
		return m_separators.rbegin();
	}
	const_reverse_iterator rend() const
	{
		return m_separators.rend();
	}

	distance distance_limit() const
	{
		return distance_limit(m_separators.begin(),m_separators.end());
	}
	size_type size() const
	{
		return m_separators.size();
	}

	const_iterator locate(position pos) const
	{
		assert(m_bounds.bind(pos)==pos);
		const_iterator i=m_separators.begin();
		if(i!=m_separators.end())
		{
			i=std::lower_bound(i,m_separators.end(),pos+1,std::less<position>());
			--i;
		}
		return i;

	}
	iterator locate(position pos)
	{
		assert(m_bounds.bind(pos)==pos);
		iterator i=m_separators.begin();
		if(i!=m_separators.end())
		{
			i=std::lower_bound(i,m_separators.end(),pos+1,std::less<position>());
			--i;
		}
		return i;
	}

	position get_frame_low(const_iterator i) const
	{
		assert(i!=m_separators.end());
		return (*i);
	}

	position get_frame_hi(const_iterator i) const
	{
		assert(i!=m_separators.end());
		return (++i==m_separators.end()) ? m_bounds.hi : position(*i);
	}

	distance get_frame_size(const_iterator i) const
	{
		return get_frame_hi(i)-get_frame_low(i);
	}
	void get_effective_bounds(const_iterator i,bounds_t& bounds) const
	{
		bounds.low=m_bounds.low+distance_limit(m_separators.begin(),i);
		bounds.hi =m_bounds.hi-distance_limit(i,m_separators.end());
	}

//	iterator insert(iterator i,const T& x,distance length)
//	{
//        position pos=x;
////      assert(m_bounds.bind(pos)==pos);
//
//        distance leftLimit=distance_limit(m_separators.begin(),i);
//        distance rightLimit=distance_limit(i,m_separators.end())/*+traits::min_distance(x)*/;
//
//        bounds_t ef_bounds(m_bounds.low+leftLimit,m_bounds.hi-rightLimit-traits::min_distance(x));
//
//        assert(ef_bounds.low<=ef_bounds.hi);
//        pos=ef_bounds.bind(pos);
//
//        lshrink(m_separators.begin(),i,pos-leftLimit);
//
//        position pos2=pos+length;
//        if(pos2>ef_bounds.hi)
//                pos2=ef_bounds.hi;
//
//        rshrink(m_separators.rbegin(),reverse_iterator(i),pos2+rightLimit);
//
//		i=m_separators.insert(i,x);
//		(*i)=(i!=m_separators.begin()) ? pos : m_bounds.low;
//		return i;
//	}
	iterator insert(iterator i,const T& x,distance length)
	{
        distance leftLimit=distance_limit(m_separators.begin(),i);
        distance rightLimit=distance_limit(i,m_separators.end())/*+traits::min_distance(x)*/;

        bounds_t ef_bounds(m_bounds.low+leftLimit,m_bounds.hi-rightLimit);
        assert(ef_bounds.low<=ef_bounds.hi);

		distance limit=ef_bounds.distance();
		if(length>limit)
			length=limit;
//		assert(length>=traits::min_distance(x));
		position pos=x;
		bounds_t bounds(pos,pos+length);
		if(bounds.low<ef_bounds.low)
		{
			bounds.low=ef_bounds.low;
			bounds.hi=bounds.low+length;
		}
		if(bounds.hi>ef_bounds.hi)
		{
			bounds.hi=ef_bounds.hi;
			bounds.low=bounds.hi-length;
		}
		rshrink(m_separators.rbegin(),reverse_iterator(i),bounds.hi+rightLimit);
        lshrink(m_separators.begin(),i,bounds.low-leftLimit);

		i=m_separators.insert(i,x);
		(*i)=(i!=m_separators.begin()) ? bounds.low : m_bounds.low;
		return i;
	}

    iterator insert(const T& x,distance length)
    {
        position pos=x;
        assert(m_bounds.bind(pos)==pos);
        iterator i=std::lower_bound(m_separators.begin(),m_separators.end(),pos,std::less<position>());
		return insert(i,x,length);
	}
	void set_position(iterator i,position pos)
	{
		distance limit=distance_limit(m_separators.begin(),i);
		assert(pos-limit>=m_bounds.low);
		lshrink(m_separators.begin(),i,pos-limit);


		limit=distance_limit(i,m_separators.end());
		assert(pos+limit<=m_bounds.hi);

		(*i)=pos;
		rshrink(m_separators.rbegin(),reverse_iterator(i),pos+limit);
	}

	void set_bounds(const bounds_t& bounds)
	{
		assert(bounds.distance()>=distance_limit(m_separators.begin(),m_separators.end()));
		distance prevDist=m_bounds.distance();
//		distance offset=bounds.low-m_bounds.low;
		m_bounds=bounds;
		if(prevDist!=0)
		{
			float ratio=float(bounds.distance())/prevDist;
			scale(m_separators.begin(),m_separators.end(),bounds,ratio);
		}
	}
	const_iterator erase(iterator i)
	{
		assert(i!=m_separators.end());
		i=m_separators.erase(i);
		if(i!=m_separators.end() && (i==m_separators.begin()) )
			(*i)=m_bounds.low;
		return i;
	}
	const_iterator replace(iterator i,const T& x)
	{
		assert(i!=m_separators.end());
		position pos=(*i);
		i=m_separators.erase(i);
		i=m_separators.insert(i,x);
		(*i)=pos;
		return i;
	}
//////////////////some ugly additions////////////////////////////////////////
/*
	void set_frame_size(iterator i,distance length)
	{
		assert(i!=m_separators.end());
		assert(m_bounds.distance()>distance_limit(m_separators.begin(),m_separators.end()));
		position pos=(*i);
		iterator inext=i;
		++inext;
		if(length>get_frame_size(i))
		{
			assert(pos<hi()-distance_limit(inext,m_separators.end()));
			distance offset=hi()-distance_limit(inext,m_separators.end())-pos;
			if(offset>length)
				offset=length;
			length-=offset;
			rshrink(m_separators.rbegin(),reverse_iterator(inext),pos+offset);

			if(length>0)
			{
				assert(pos>low()+distance_limit(i,m_separators.end()));
				distance offset=pos-low()+distance_limit(i,m_separators.end());
				if(offset>length)
					offset=length;
				lshrink(m_separators.begin(),inext,pos-offset);
			}
		}
		else
		{
			if(inext!=m_separators.end())
				(*inext)=pos+length;
			else
			{
				distance limit=distance_limit(m_separators.begin(),i);
				if(limit<length)
					length=limit;
				(*i)=hi()-length;
			}
		}
	}
*/
	template<class P>
	void set_bounds(const bounds_t& bounds,P p)
	{
		iterator idecl=std::find_if(m_separators.begin(),m_separators.end(),p);
		assert(idecl!=m_separators.end());

		distance prevDist=m_bounds.distance();
		m_bounds=bounds;
		if(prevDist!=0)
		{
			distance diff=m_bounds.distance()-prevDist;
			if(diff<0)
			{
				distance limit=-(get_frame_size(idecl)-traits::min_distance(*idecl));
				if(diff<limit)
					diff=limit;
			}
			shift(++idecl,m_separators.end(),diff);
			float ratio=float(bounds.distance())/(prevDist+diff);
			scale(m_separators.begin(),m_separators.end(),bounds,ratio);
		}
	}
	template<class P>
	iterator insert(iterator i,P p,const T& x,distance length)
	{
		assert(std::find_if(m_separators.begin(),m_separators.end(),p)!=m_separators.end());

		iterator first=std::find_if(m_separators.begin(),i,p);
		iterator last=i;
		distance n=length/*+traits::min_distance(x)*/;
		if(first==i)
		{
			last=std::find_if(i,m_separators.end(),p);
			distance limit=get_frame_size(last)-traits::min_distance(*last);
			if(n>limit)
				n=limit;
			++last;
		}
		else
		{
			distance limit=get_frame_size(first)-traits::min_distance(*first);
			if(n>limit)
				n=limit;
			n=-n;
			++first;
		}
		shift(first,last,n);
		return insert(i,x,length);
	}

	template<class T>
	iterator erase(iterator i,T p)
	{
		assert(i!=m_separators.end());
		assert(std::find_if(m_separators.begin(),m_separators.end(),p)!=m_separators.end());

		distance n=get_frame_size(i);
		i=m_separators.erase(i);
		iterator first=std::find_if(m_separators.begin(),i,p);
		iterator last=i;
		if(first==i)
		{
			last=std::find_if(i,m_separators.end(),p);
			++last;
			n=-n;
		}
		else
			++first;
		shift(first,last,n);
		return i;
	}
protected:
	separators_t	m_separators;
	bounds_t		m_bounds;
};

//helpers
template<class T,class Pr,class Sz>
T search_n(T begin,T end,Pr pr,Sz n)
{
  while((begin!=end)&&(n!=0))
  {
    if(pr(*begin))
				break;
    ++begin;
    --n;
  }
  return begin;
}
}//namespace ssec
#endif // __SSEC_H__

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About the Author

Daniel Bowen
Architect
United States United States
Daniel Bowen used to work as a Software Engineer for Evans & Sutherland in Salt Lake City, Utah working on the modeling tools for high end flight simulators. He then worked for the startup company WiLife Inc. in Draper, Utah working on the software portion of an easy to use and affordable digital video surveillance system. WiLife Inc. is now part of Logitech Inc.

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