[wxWidgets.git] / utils / framelayout / src / controlarea.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        No names yet.
// Purpose:     Contrib. demo
// Author:      Aleksandras Gluchovas
// Modified by:
// Created:     07/09/98
// RCS-ID:      $Id$
// Copyright:   (c) Aleksandras Gluchovas
// Licence:   	wxWindows license
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation "controlarea.h"
// #pragma interface
#endif

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif

#include <math.h>
#include <stdlib.h>

#include "wx/string.h"
#include "wx/utils.h"     // import wxMin/wxMax macros and wxFileExist(..) 

#include "controlarea.h"


/***** Implementation for class twTabInfo *****/

IMPLEMENT_DYNAMIC_CLASS( twTabInfo, wxObject )

twTabInfo::twTabInfo()
	: mpContent( 0 )
{}

twTabInfo::~twTabInfo()
{
	// FOR NOW:: nothing
}

int twTabInfo::ImgWidth()
{
	if ( mBitMap.Ok() ) return mBitMap.GetWidth();
			   else return 0;
}

int twTabInfo::ImgHeight()
{
	if ( mBitMap.Ok() ) return mBitMap.GetHeight();
			   else	return 0;
}

int twTabInfo::ImageToTxtGap( int prefGap )
{
	if ( mBitMap.Ok() ) return prefGap;
			       else return 0;
}

bool twTabInfo::HasImg()
{
	return mBitMap.Ok();
}

bool twTabInfo::HasText()
{
	return mText.Length();
}

wxBitmap& twTabInfo::GetImg()
{
	return mBitMap;
}

wxString& twTabInfo::GetText()
{
	return mText;
}

wxWindow& twTabInfo::GetContent()
{
	return *mpContent;
}

/***** Implementation for class wxTabbedWindow *****/

IMPLEMENT_DYNAMIC_CLASS( wxTabbedWindow, wxPanel )

BEGIN_EVENT_TABLE( wxTabbedWindow, wxPanel )

	EVT_SIZE ( wxTabbedWindow::OnSize )
	EVT_PAINT( wxTabbedWindow::OnPaint )
	EVT_LEFT_DOWN( wxTabbedWindow::OnLButtonDown )

// TDB:: filciker reduction 
//	EVT_ERASE_BACKGROUND( wxTabbedWindow::OnBkErase )

END_EVENT_TABLE()

wxTabbedWindow::wxTabbedWindow()

	: mpTabScroll  ( NULL ),
	  mpHorizScroll( NULL ),
	  mpVertScroll ( NULL ),

	  mVertGap ( 0 ),
	  mHorizGap( 0 ),

	  mTitleVertGap ( 3  ),
	  mTitleHorizGap( 4  ),
	  mImageTextGap ( 2  ),
	  mFirstTitleGap( 11 ),

	  mBorderOnlyWidth( 8 ),

	  mWhitePen( wxColour(255,255,255), 1, wxSOLID ),
	  mLightPen( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DHIGHLIGHT), 1, wxSOLID),
	  mGrayPen ( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE), 1, wxSOLID ),
	  mDarkPen ( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DSHADOW), 1, wxSOLID ),
	  mBlackPen( wxColour(  0,  0,  0), 1, wxSOLID ),

	  // state variables

	  mActiveTab  ( 0 ),
	  mTitleHeight( 0 ),
	  mLayoutType( wxTITLE_IMG_AND_TEXT )
{}

wxTabbedWindow::~wxTabbedWindow()
{
	wxNode* pTab = mTabs.First();

	while( pTab )
	{
		delete ((twTabInfo*)pTab->Data());

		pTab = pTab->Next();
	}
}

void wxTabbedWindow::SizeTabs(int x,int y, int width, int height, bool repant)
{
	wxNode* pTabNode = mTabs.First();
	int n = 0;

	while( pTabNode )
	{
		twTabInfo& info = *((twTabInfo*)pTabNode->Data());

		if ( n == mActiveTab )
		{
			//wxSizeEvent evt;
			//info.mpContent->GetEventHandler()->ProcessEvent( evt );

			info.mpContent->SetSize( x, y, width, height, 0 );
			info.mpContent->Show(TRUE);
			info.mpContent->Refresh();

		}
		else
		{
			info.mpContent->Show(FALSE);
		}

		pTabNode = pTabNode->Next();
		++n;
	}
}

void wxTabbedWindow::AddTab( wxWindow* pContent,
							 wxString  tabText,
							 wxString  imageFileName,
							 long      imageType )
{
	twTabInfo* pTab = new twTabInfo();

	pTab->mpContent = pContent;
	pTab->mText     = tabText;

	if ( wxFileExists( imageFileName ) &&

		 pTab->mBitMap.LoadFile( imageFileName, imageType ) )
	{
		pTab->mImageFile = imageFileName;
		pTab->mImageType = imageType;
	}

	bool ok = pTab->mBitMap.Ok();
		
	if ( pContent->GetParent() == NULL )
	
		pContent->Create( this, -1 );

	mTabs.Append( (wxObject*)pTab );

	RecalcLayout(TRUE);

	OnTabAdded( pTab );
}

void wxTabbedWindow::AddTab( wxWindow* pContent,
							wxString  tabText,
		                    wxBitmap* pImage   )
{
	twTabInfo* pTab = new twTabInfo();

	pTab->mpContent = pContent;
	pTab->mText     = tabText;

	if ( pImage ) pTab->mBitMap = *pImage;

	if ( pContent->GetParent() == NULL )
	
		pContent->Create( this, -1 );

	mTabs.Append( (wxObject*)pTab );

	RecalcLayout(TRUE);

	OnTabAdded( pTab );
}


void wxTabbedWindow::RemoveTab( int tabNo )
{
	twTabInfo* pTab = ((twTabInfo*)(mTabs.Nth( tabNo )->Data()));

	pTab->mpContent->Destroy();

	delete pTab;

	mTabs.DeleteNode( mTabs.Nth( tabNo ) );

	if ( mActiveTab >= mTabs.Number() );

		mActiveTab = mTabs.Number() - 1;

	SetActiveTab( mActiveTab );
}

int wxTabbedWindow::GetTabCount()
{
	return mTabs.Number();
}

wxWindow* wxTabbedWindow::GetTab( int tabNo )
{
	return ((twTabInfo*)(mTabs.Nth( tabNo )->Data()))->mpContent;
}

wxWindow* wxTabbedWindow::GetActiveTab()
{
	// FIMXE:: this is lame

	return GetTab( mActiveTab );
}

void wxTabbedWindow::SetActiveTab( int tabNo )
{
	mActiveTab = tabNo;
	
	RecalcLayout(TRUE);

	Refresh();
}

// width of the decorations border (4 shade-lines), should not be changed

#define BORDER_SZ 4

void wxTabbedWindow::DrawShadedRect( int x, int y, int width, int height,
								    wxPen& upperPen, wxPen& lowerPen, wxDC& dc 
								  )
{
	// darw the lightened upper-left sides of the rectangle

	dc.SetPen( upperPen );
	dc.DrawLine( x,y, x, y + height - 1 ); // vert
	dc.DrawLine( x,y, x + width - 1,  y ); // horiz

	// draw the unenlightened lower-right sides of the rectangle

	dc.SetPen( lowerPen );
	dc.DrawLine( x + width - 1,  y, x + width - 1, y + height - 1 ); // vert
	dc.DrawLine( x, y + height - 1, x + width, y + height - 1 );     // horiz
}

void wxTabbedWindow::DrawDecorations( wxDC& dc )
{
	// Protability NOTE::: DrawLine(..) draws a line from the first position, 
	//                     but not including the point specified by last position.
	//                     This way Windows draws lines, not sure how Motif and Gtk 
	//                     prots behave...
	
	int width, height;
 	GetClientSize( &width, &height );

	// check if there's at least a bit of space to draw things
	
	if ( width  < mHorizGap*2 + BORDER_SZ*2+1 || 
		 height < mVertGap*2  + BORDER_SZ*2+1 + mTitleHeight
	   )
		return;

	// step #1 - draw border around the tab content area

	// setup position for kind of "pencil"
	int curX = mHorizGap;
	int curY = mVertGap;
							  
	int xSize = width  - mHorizGap*2;
	int ySize = height - mVertGap *2  - mTitleHeight;

	// layer 1 (upper white)
	DrawShadedRect( curX+0, curY+0, xSize-0, ySize-0, 
					mLightPen, mBlackPen, dc  );

	// layer 2 (upper gray)
	DrawShadedRect( curX+1, curY+1, xSize-2-1, ySize-2-1, 
					mGrayPen, mGrayPen, dc  );

	// layer 3 (upper darkGray)
	DrawShadedRect( curX+2, curY+2, xSize-3-2, ySize-3-2, 
					mDarkPen, mLightPen, dc  );

	// layer 4 (upper black)
	DrawShadedRect( curX+3, curY+3, xSize-4-3, ySize-4-3, 
					mBlackPen, mGrayPen, dc  );

	// add non-siemtric layer from the lower-right side (confroming to MFC-look)

	dc.SetPen( mDarkPen );
	dc.DrawLine( curX+1, curY + ySize - 2, curX + xSize - 1, curY + ySize - 2 );   // horiz
	dc.DrawLine( curX + xSize - 2, curY + 1, curX + xSize - 2, curY + ySize - 2 ); // vert

	// step #2 - draw tab title bars

	curX = mFirstTitleGap;
	curY = height - mVertGap - mTitleHeight;

	int tabNo = 0;
	wxNode* pNode = mTabs.First();

	while( pNode )
	{
		// "hard-coded metafile" for decorations

		twTabInfo& tab = *((twTabInfo*)(pNode->Data()));

		xSize = tab.mDims.x;
		ySize = mTitleHeight;

		if ( tabNo == mActiveTab )
		{
			dc.SetPen( mGrayPen );
			dc.DrawLine( curX+1, curY-2, curX+xSize-2, curY-2 );
			dc.DrawLine( curX+1, curY-1, curX+xSize-2, curY-1 );
		}

		dc.SetPen( mLightPen );

		if ( tabNo == mActiveTab )
			dc.DrawLine( curX, curY-2, curX, curY+ySize-2 );
		else
			dc.DrawLine( curX, curY, curX, curY+ySize-2 );

		dc.SetPen( mDarkPen );
		dc.DrawLine( curX+1, curY+ySize-3, curX+1, curY+ySize-1 ); // to pix down
		dc.DrawLine( curX+2, curY+ySize-2, curX+xSize-2, curY+ySize-2 );
		dc.DrawLine( curX+xSize-3, curY+ySize-3, curX+xSize-2, curY+ySize-3 );
		if ( tabNo == mActiveTab )
			dc.DrawLine( curX+xSize-2, curY+ySize-3, curX+xSize-2, curY-3 );
		else
			dc.DrawLine( curX+xSize-2, curY+ySize-3, curX+xSize-2, curY-1 );

		dc.SetPen( mBlackPen );
		dc.DrawLine( curX+xSize-1, curY, curX+xSize-1, curY+ySize-2 );
		dc.DrawLine( curX+xSize-2, curY+ySize-2, curX+xSize-3, curY+ySize-2 );
		dc.DrawLine( curX+xSize-3, curY+ySize-1, curX+1, curY+ySize-1 );

		pNode = pNode->Next();
		++tabNo;
		
		// darw image and (or without) text centered within the
		// title bar rectangle

		if ( mLayoutType != wxTITLE_BORDER_ONLY && tab.HasImg() )
		{
			wxMemoryDC tmpDc;
		    tmpDc.SelectObject( tab.GetImg() );
  
		    dc.Blit( curX + mTitleHorizGap, 
				     curY + ( ySize - tab.ImgHeight() ) / 2,
					 tab.ImgWidth(),
					 tab.ImgHeight(),
					 &tmpDc, 0, 0, wxCOPY,true
				   );
		}

		if ( mLayoutType == wxTITLE_IMG_AND_TEXT && tab.HasText() )
		{
			long x,w,h;

			// set select default font of the window into it's device context
			dc.SetFont( GetLabelingFont() );

			dc.SetTextBackground( GetBackgroundColour() );

			dc.GetTextExtent(tab.mText, &w, &h );

			x = curX + mTitleHorizGap + 
				tab.ImgWidth() + tab.ImageToTxtGap(mImageTextGap);

			dc.DrawText( tab.GetText(), x, curY + ( ySize - h ) / 2 );
		}
		curX += xSize;

	} // end of `while (pNode)'
}

int wxTabbedWindow::HitTest( const wxPoint& pos )
{
	int width, height;
 	GetClientSize( &width, &height );

	int curX = mFirstTitleGap;
	int curY = height - mVertGap - mTitleHeight;

	int     tabNo = 0;
	wxNode* pNode = mTabs.First();

	int x = pos.x;
	int y = pos.y;

	while( pNode )
	{
		twTabInfo& tab = *((twTabInfo*)(pNode->Data()));

		int w,h;
		w = tab.mDims.x;
		h = tab.mDims.y;
		// hit test rectangle of the currnet tab title bar
		if ( pos.x >= curX && pos.x < curX + tab.mDims.x  &&
			 pos.y >= curY && pos.y < curY + tab.mDims.y 
		   )
		{
			return tabNo;
		}

		curX += tab.mDims.x;

		pNode = pNode->Next();
		++tabNo;
	}

	return -1;
}

void wxTabbedWindow::HideInactiveTabs( bool andRepaint )
{
	if ( !andRepaint )
		return;

	wxNode* pNode = mTabs.First();
	int     tabNo = 0;

	while( pNode )
	{
		if ( tabNo != mActiveTab )
		{
			twTabInfo& tab = *((twTabInfo*)(pNode->Data()));
			tab.mpContent->Show(FALSE);
		}

		pNode = pNode->Next();
		++tabNo;
	}
}

wxFont wxTabbedWindow::GetLabelingFont()
{
#if 0
	wxFont font;
#ifdef __WINDOWS__
	font.SetFaceName("MS Sans Serif");
#else
	font.SetFamily( wxDEFAULT );
#endif

	font.SetStyle(wxNORMAL);
	font.SetWeight(wxNORMAL);
	font.SetPointSize( 8 );

#ifdef __WINDOWS__
	font.RealizeResource();
#endif

	return font;
#endif
	return wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT);
}

void wxTabbedWindow::RecalcLayout(bool andRepaint)
{
	HideInactiveTabs(andRepaint);

	// resetup position of the active tab

	int width, height;
 	GetClientSize( &width, &height );

	int curX = mHorizGap + BORDER_SZ;
	int curY = mVertGap  + BORDER_SZ;

	int xSize = width  - mHorizGap*2 - BORDER_SZ*2-1;
	int ySize = height - mVertGap*2  - BORDER_SZ*2-1 - mTitleHeight;

	SizeTabs( curX, curY, xSize, ySize, andRepaint );

	// pass #1 - try to layout assuming it's wxTITLE_IMG_AND_TEXT

	mLayoutType = wxTITLE_IMG_AND_TEXT;

	wxNode* pNode = mTabs.First();

	curX = mFirstTitleGap; // the left-side gap
	mTitleHeight = 0;

	while( pNode )
	{
		twTabInfo& tab = *((twTabInfo*)(pNode->Data()));

		wxWindowDC dc(this);

		long w,h;

		// set select default font of the window into it's device context
		dc.SetFont( GetLabelingFont() );

		dc.GetTextExtent(tab.mText, &w, &h );

		tab.mDims.x = w + tab.ImageToTxtGap(mImageTextGap) + 
			          tab.ImgWidth() + mTitleHorizGap*2;

		tab.mDims.y  = wxMax( h, tab.ImgHeight() ) + mTitleVertGap*2;
		mTitleHeight = wxMax( mTitleHeight, tab.mDims.y );

		curX += tab.mDims.x;
		
		pNode = pNode->Next();
	}

	curX += mHorizGap; // the right-side gap

	// make all title bars of equel height

	pNode = mTabs.First();

	while( pNode )
	{
		((twTabInfo*)(pNode->Data()))->mDims.y = mTitleHeight;;
		pNode = pNode->Next();
	}

	// if curX has'nt ran out of bounds, leave TITLE_IMG layout and return
	if ( curX < width - mHorizGap )
		return;

	// pass #2 - try to layout assuming wxTITLE_IMG_ONLY

	mLayoutType = wxTITLE_IMG_ONLY;

	pNode = mTabs.First();

	curX = mFirstTitleGap; // the left-side gap

	int denomiator = mTabs.Number();
	if ( denomiator == 0 ) ++denomiator;

	mBorderOnlyWidth = (width - mFirstTitleGap - mHorizGap) / denomiator; 

	while( pNode )
	{
		twTabInfo& tab = *((twTabInfo*)(pNode->Data()));

		if ( tab.HasImg() )
		{
			tab.mDims.x = tab.ImgWidth()  + mTitleHorizGap*2;
			tab.mDims.y = tab.ImgHeight() + mTitleVertGap*2;
		}
		else
		{
			tab.mDims.x = mBorderOnlyWidth;
			tab.mDims.y = mTitleHeight;
		}

		curX += tab.mDims.x;
		
		pNode = pNode->Next();
	}

	curX += mHorizGap; // the right-side gap

	// if curX has'nt ran out of bounds, leave IMG_ONLY layout and return
	if ( curX < width  - mHorizGap )
		return;

	// pass #3 - set the narrowest layout wxTITLE_BORDER_ONLY

	mLayoutType = wxTITLE_BORDER_ONLY;

	pNode = mTabs.First();

	while( pNode )
	{
		twTabInfo& tab = *((twTabInfo*)(pNode->Data()));

		tab.mDims.x = mBorderOnlyWidth;
		tab.mDims.y = mTitleHeight;
		
		pNode = pNode->Next();
	}
}

// wx event handlers

void wxTabbedWindow::OnPaint( wxPaintEvent& event )
{
	wxPaintDC dc(this);
	DrawDecorations( dc );
}

void wxTabbedWindow::OnSize ( wxSizeEvent& event )
{
	SetBackgroundColour( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE) );
	RecalcLayout(TRUE);
}

void wxTabbedWindow::OnBkErase( wxEraseEvent& event )
{
	// do nothing
}

void wxTabbedWindow::OnLButtonDown( wxMouseEvent& event )
{
	// floats, why?
	int x = (int)event.m_x;
	int y = (int)event.m_y;

	int tabNo = HitTest( wxPoint(x,y) );

	if ( tabNo != -1 )
	{
		SetActiveTab( tabNo );
	}
}

/***** Implementation for class wxPaggedWindow *****/

IMPLEMENT_DYNAMIC_CLASS( wxPaggedWindow, wxTabbedWindow )

BEGIN_EVENT_TABLE( wxPaggedWindow, wxTabbedWindow )
	EVT_SIZE     ( wxPaggedWindow::OnSize        )
	EVT_PAINT    ( wxPaggedWindow::OnPaint       )
	EVT_LEFT_DOWN( wxPaggedWindow::OnLButtonDown )
	EVT_LEFT_UP  ( wxPaggedWindow::OnLButtonUp   )
	EVT_MOTION   ( wxPaggedWindow::OnMouseMove   )
	EVT_SCROLL   ( wxPaggedWindow::OnScroll      )
END_EVENT_TABLE()

// border for pagged-window is 2 shaded-lines

#undef  BORDER_SZ
#define BORDER_SZ 2

wxPaggedWindow::wxPaggedWindow()

    : mScrollEventInProgress( FALSE ),

	  mTabTrianGap(4),
	  
	  mWhiteBrush( wxColour(255,255,255), wxSOLID ),
	  mGrayBrush ( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE), wxSOLID ),

	  mCurentRowOfs( 0 ),
	  mAdjustableTitleRowLen( 300 ),

	  mIsDragged    ( FALSE ),
	  mDagOrigin    ( 0 ),
	  mCursorChanged( FALSE ),
	  mResizeCursor ( wxCURSOR_SIZEWE ),
	  mNormalCursor ( wxCURSOR_ARROW  )
{
	mTitleVertGap = 2;
	mTitleHorizGap = 10;
}

wxPaggedWindow::~wxPaggedWindow()
{
	// nothing (base class handles destruction)
}

wxFont wxPaggedWindow::GetLabelingFont()
{
#if 0
	wxFont font;

#ifdef __WINDOWS__
	font.SetFaceName("Arial");
#else
	font.SetFamily( wxDEFAULT );
#endif

	font.SetStyle(wxNORMAL);
	font.SetWeight(wxNORMAL);
	font.SetPointSize( 8 );

#ifdef __WINDOWS__
	bool success = font.RealizeResource();
#endif

	return font;
#endif
	return wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT);
}

void wxPaggedWindow::OnTabAdded( twTabInfo* pInfo )
{
	int units = GetWholeTabRowLen() / 20;

	mpTabScroll->SetScrollbar( 0, 1, units, 1, FALSE );
}

wxScrollBar& wxPaggedWindow::GetVerticalScrollBar()
{
	return *mpVertScroll;
}

wxScrollBar& wxPaggedWindow::GetHorizontalScrollBar()
{
	return *mpHorizScroll;
}


int wxPaggedWindow::GetWholeTabRowLen()
{
	wxNode* pNode = mTabs.First();

	int len = 0;

	while( pNode )
	{
		twTabInfo& tab = *((twTabInfo*)(pNode->Data()));

		len += tab.mDims.x;
		pNode = pNode->Next();
	}

	return len;
}

void wxPaggedWindow::DrawPaperBar( twTabInfo& tab, int x, int y, 
									 wxBrush& brush, wxPen& pen, wxDC& dc )
{
	wxPoint poly[4];

	// draw organizer-style paper outlet

	poly[0].x = x - mTabTrianGap;
	poly[0].y = y;

	poly[1].x = x + mTabTrianGap;
	poly[1].y = y + tab.mDims.y-1;

	poly[2].x = x + tab.mDims.x - mTabTrianGap;
	poly[2].y = y + tab.mDims.y-1;

	poly[3].x = x + tab.mDims.x + mTabTrianGap;
	poly[3].y = y;

	dc.SetPen( pen );
	dc.SetBrush( brush );

	dc.DrawPolygon( 4, poly );

	long w,h;

	// set select default font of the window into it's device context
	dc.SetFont( GetLabelingFont() );

	dc.SetTextBackground( brush.GetColour() );

	dc.GetTextExtent(tab.mText, &w, &h );

	if ( tab.HasImg() )
	{
			wxMemoryDC tmpDc;
		    tmpDc.SelectObject( tab.GetImg() );
  
		    dc.Blit( x + mTitleHorizGap, 
				     y + ( tab.mDims.y - tab.ImgHeight() ) / 2,
					 tab.ImgWidth(),
					 tab.ImgHeight(),
					 &tmpDc, 0, 0, wxCOPY,true
				   );
	}

	if ( tab.HasText() )
	{
		int tx = x + mTitleHorizGap + 
			tab.ImgWidth() + tab.ImageToTxtGap(mImageTextGap);
	    
		dc.DrawText( tab.GetText(), tx, y + ( tab.mDims.y - h ) / 2 );
	}
}

void wxPaggedWindow::DrawDecorations( wxDC& dc )
{
	// FIXME:: the is big body have to be split!

	int width, height;
 	GetClientSize( &width, &height );

	int curX = mHorizGap;
	int curY = mVertGap;

	int xSize = width  - mHorizGap*2;
	int ySize = height - mVertGap*2;

	DrawShadedRect( curX, curY, xSize, ySize,
		            mDarkPen, mLightPen, dc );

	DrawShadedRect( curX+1, curY+1, xSize-2, ySize-2,
		            mBlackPen, mGrayPen, dc );

	// draw inactive tab title bars frist (left-to-right)

	wxNode* pNode = mTabs.First();
	int     tabNo = 0;

	/* OLD STUFF::
	curX = mTitleRowStart;
	curY = height - mVertGap - BORDER_SZ - mTitleHeight;
	*/

	curX = mTabTrianGap;
	curY = 0;

	// FOR NOW:: avoid creating bitmap with invalid dimensions
	
	if ( mTitleRowLen < 1 || mTitleHeight < 1 ) return;

	wxMemoryDC tmpDc;
	wxBitmap   tmpBmp( mTitleRowLen, mTitleHeight );

	tmpDc.SelectObject( tmpBmp );
	tmpDc.SetPen( mGrayPen );
	tmpDc.SetBrush( mGrayBrush );
	tmpDc.DrawRectangle( 0,0, mTitleRowLen, mTitleHeight );

	tmpDc.SetDeviceOrigin( mCurentRowOfs, 0 );

	while( pNode )
	{
		twTabInfo& tab = *((twTabInfo*)(pNode->Data()));

		if ( tabNo != mActiveTab )

			DrawPaperBar( tab, curX, curY, mGrayBrush, mBlackPen, tmpDc );

		curX += tab.mDims.x;

		pNode = pNode->Next();
		++tabNo;
	}

	// finally, draw the active tab (white-filled)

	pNode = mTabs.First();
	tabNo = 0;

	curX = mTabTrianGap;

	while( pNode )
	{
		twTabInfo& tab = *((twTabInfo*)(pNode->Data()));

		if ( tabNo == mActiveTab )
		{
			DrawPaperBar( tab, curX, curY, mWhiteBrush, mBlackPen, tmpDc );

			tmpDc.SetPen( mLightPen );

			tmpDc.DrawLine( curX - mTabTrianGap+1, curY, 
				            curX + tab.mDims.x + mTabTrianGap, curY );
			break;
		}
		curX += tab.mDims.x;

		pNode = pNode->Next();
		++tabNo;
	}

	// back to initial device origin

	tmpDc.SetDeviceOrigin( 0, 0 );

	// draw resize-hint-stick

	curX = mTitleRowLen - 6;

	DrawShadedRect( curX+0, 0+0, 6,   mTitleHeight,   mGrayPen,  mBlackPen, tmpDc );
	DrawShadedRect( curX+1, 0+1, 6-2, mTitleHeight-2, mLightPen, mDarkPen,  tmpDc );
	DrawShadedRect( curX+2, 0+2, 6-4, mTitleHeight-4, mGrayPen,  mGrayPen,  tmpDc );


	dc.Blit( mTitleRowStart, 
		     height - mVertGap - BORDER_SZ - mTitleHeight,
			 mTitleRowLen, mTitleHeight,
			 &tmpDc, 0,0, wxCOPY );
}

int wxPaggedWindow::HitTest( const wxPoint& pos )
{
	return wxTabbedWindow::HitTest( pos );
}

void wxPaggedWindow::RecalcLayout(bool andRepaint)
{
	mTitleRowLen = mAdjustableTitleRowLen;

	if ( int(mpTabScroll) == -1 ) return;

	// scroll bars should be created after Create() for this window is called
	if ( !mpTabScroll )
	{
		mpTabScroll   = 
			new wxScrollBar( this, -1, wxDefaultPosition, wxDefaultSize, wxSB_HORIZONTAL );
	    
		mpHorizScroll = 
			new wxScrollBar( this, -1, wxDefaultPosition, wxDefaultSize, wxSB_HORIZONTAL );
	    
		mpVertScroll  = 
			new wxScrollBar( this, -1, wxDefaultPosition, wxDefaultSize, wxSB_VERTICAL );
	}

	{
		int units = GetWholeTabRowLen() / 20;

		mpTabScroll->SetScrollbar( 0, 1, units, 1, FALSE );
	}

	// resetup position of the active tab

	int thumbLen = 16; // FOR NOW:: hardcoded

	int width, height;
 	GetClientSize( &width, &height );

	mTitleHeight = thumbLen;

	int curX = mHorizGap + BORDER_SZ;
	int curY = mVertGap  + BORDER_SZ;

	int xSize = width  - mHorizGap*2 - BORDER_SZ*2 - thumbLen;

	int ySize = height - mVertGap*2  - BORDER_SZ*2 - mTitleHeight;

	SizeTabs( curX, curY, xSize, ySize, andRepaint );

	// setup title bar LINES's horizontal scroll bar

	curY = height - mVertGap - BORDER_SZ - thumbLen;

	mpTabScroll->SetSize( curX, curY, thumbLen*2, thumbLen );

	// setup view's HORIZONTAL scroll bar

	curX += thumbLen*2;

	mTitleRowStart = curX;
	mFirstTitleGap = curX + mCurentRowOfs + mTabTrianGap;

	mTitleRowLen = wxMin( mAdjustableTitleRowLen,
		                  width - mHorizGap - BORDER_SZ - thumbLen*4 - curX );

	curX += mTitleRowLen;

	mpHorizScroll->SetSize( curX, curY, 
						  width - curX - mHorizGap - BORDER_SZ - thumbLen,
						  thumbLen
						);

	// setup view's VERTICAL scroll bar

	curX = width - mHorizGap - BORDER_SZ - thumbLen;

	curY = mVertGap  + BORDER_SZ;

	mpVertScroll->SetSize( curX, curY, thumbLen, 
						  height - curY - mVertGap - BORDER_SZ - thumbLen
						);
	
	// layout tab title bars

	mLayoutType = wxTITLE_IMG_AND_TEXT;

	wxNode* pNode = mTabs.First();

	while( pNode )
	{
		twTabInfo& tab = *((twTabInfo*)(pNode->Data()));

		wxWindowDC dc(this);

		long w,h;

		// set select default font of the window into it's device context
		dc.SetFont( GetLabelingFont() );
		dc.GetTextExtent(tab.mText, &w, &h );

		tab.mDims.x = w + tab.ImageToTxtGap(mImageTextGap) + 
			          tab.ImgWidth() + mTitleHorizGap*2;

		tab.mDims.y  = mTitleHeight;
		
		pNode = pNode->Next();
	}

	// disable title-bar scroller if there's nowhere to scroll to

	mpTabScroll->Enable( mTitleRowLen < GetWholeTabRowLen() || mCurentRowOfs < 0  );
}

// event handlers

void wxPaggedWindow::OnPaint( wxPaintEvent& event )
{
	wxPaintDC dc(this);
	DrawDecorations( dc );
}

void wxPaggedWindow::OnSize ( wxSizeEvent& event )
{
	wxTabbedWindow::OnSize(event);
}

void wxPaggedWindow::OnLButtonDown( wxMouseEvent& event )
{
	if ( mCursorChanged )
	{
		mIsDragged = TRUE;
		mDagOrigin = event.m_x;

		mOriginalTitleRowLen = mAdjustableTitleRowLen;

		CaptureMouse();
	}
	else
	{
		wxTabbedWindow::OnLButtonDown( event );
	}
}

void wxPaggedWindow::OnLButtonUp( wxMouseEvent& event )
{
	if ( mIsDragged )
	{
		mIsDragged     = FALSE;
		mCursorChanged = FALSE;
		SetCursor( mNormalCursor );

		ReleaseMouse();
	}
}

void wxPaggedWindow::OnMouseMove( wxMouseEvent& event )
{
	int width, height;
 	GetClientSize( &width, &height );

	if ( !mIsDragged )
	{
		int y = height - mVertGap - BORDER_SZ - mTitleHeight;
		int x = mTitleRowStart + mTitleRowLen - 6;

		if ( event.m_x >= x && event.m_y >= y &&
			 event.m_x <  x + 6               &&
			 event.m_y <  y + mTitleHeight 
		   )
		{
			if ( !mCursorChanged )
			{
				SetCursor( mResizeCursor );
				
				mCursorChanged = TRUE;
			}
		}
		else
		if ( mCursorChanged )
		{
			SetCursor( mNormalCursor );

			mCursorChanged = FALSE;
		}
	}
	else
	if ( mIsDragged )
	{
		mAdjustableTitleRowLen = mOriginalTitleRowLen + ( event.m_x - mDagOrigin );

		// FOR NOW:: fixed
		if ( mAdjustableTitleRowLen < 6 ) mAdjustableTitleRowLen = 6; 

		wxWindowDC dc(this); 
		DrawDecorations( dc );

		RecalcLayout(FALSE);

		//Refresh();
	}
}

void wxPaggedWindow::OnScroll( wxScrollEvent& event )
{
	int cmd = event.m_commandInt;

	wxScrollBar* pSender = (wxScrollBar*)event.GetEventObject();

	if ( pSender == mpTabScroll )
	{
		int maxLen = GetWholeTabRowLen();

		int maxUnits = GetWholeTabRowLen() / 20;

		mCurentRowOfs = -event.GetPosition()*maxUnits;

		mFirstTitleGap = mTitleRowStart + mCurentRowOfs + mTabTrianGap;

		// let' it automatically disable itself if it's time
		mpTabScroll->Enable( mTitleRowLen < GetWholeTabRowLen() || mCurentRowOfs < 0 );

		// repaint title bars
		wxWindowDC dc(this); 
		DrawDecorations( dc );
	}
	else
	if ( !mScrollEventInProgress )
	{
		mScrollEventInProgress = TRUE;

		GetActiveTab()->GetEventHandler()->ProcessEvent( event );
	}
	else
	{
		// event bounced back to us, from here we
		// know that it has traveled the loop - thus it's processed!

		mScrollEventInProgress = FALSE; 
	}
}