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Reusable base class for SplitterWnd

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2 Sep 2001CPOL3 min read 365.8K   11.6K   136  
A class derived from CSplitterWnd which makes splitting and switching of views simple.
 
// MainFrm.cpp : implementation of the CMainFrame class
//

#include "stdafx.h"
#include "SplitterWndTest.h"
#include "SplitterWndTestView.h"
#include "SplitterWndTestView2.h"
#include "SplitterWndTestView3.h"
#include "SplitterWndTestView4.h"
#include "SplitterWndTestView5.h"
#include "SplitterWndTestView6.h"

#include "MainFrm.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMainFrame

IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
	//{{AFX_MSG_MAP(CMainFrame)
	ON_WM_CREATE()
	ON_COMMAND(ID_SPLITTER_1_EXPANDLEFT, OnSplitter1Expandleft)
	ON_COMMAND(ID_SPLITTER_1_EXPANDRIGHT, OnSplitter1Expandright)
	ON_UPDATE_COMMAND_UI(ID_SPLITTER_1_EXPANDLEFT, OnUpdateSplitter1Expandleft)
	ON_UPDATE_COMMAND_UI(ID_SPLITTER_1_EXPANDRIGHT, OnUpdateSplitter1Expandright)
	ON_COMMAND(ID_SPLITTER_2_EXPANDBOTTOM, OnSplitter2Expandbottom)
	ON_UPDATE_COMMAND_UI(ID_SPLITTER_2_EXPANDBOTTOM, OnUpdateSplitter2Expandbottom)
	ON_COMMAND(ID_SPLITTER_2_EXPANDTOP, OnSplitter2Expandtop)
	ON_UPDATE_COMMAND_UI(ID_SPLITTER_2_EXPANDTOP, OnUpdateSplitter2Expandtop)
	ON_COMMAND(ID_SPLITTER_3_EXPANDLEFT, OnSplitter3Expandleft)
	ON_UPDATE_COMMAND_UI(ID_SPLITTER_3_EXPANDLEFT, OnUpdateSplitter3Expandleft)
	ON_COMMAND(ID_SPLITTER_3_EXPANDRIGHT, OnSplitter3Expandright)
	ON_UPDATE_COMMAND_UI(ID_SPLITTER_3_EXPANDRIGHT, OnUpdateSplitter3Expandright)
	ON_COMMAND(ID_SPLITTER_4_EXPANDTOP, OnSplitter4Expandtop)
	ON_UPDATE_COMMAND_UI(ID_SPLITTER_4_EXPANDTOP, OnUpdateSplitter4Expandtop)
	ON_COMMAND(ID_SPLITTER_4_EXPANDBOTTOM, OnSplitter4Expandbottom)
	ON_UPDATE_COMMAND_UI(ID_SPLITTER_4_EXPANDBOTTOM, OnUpdateSplitter4Expandbottom)
	ON_COMMAND(ID_SPLITTER_SWITCHVIEW, OnSplitterSwitchview)
	ON_UPDATE_COMMAND_UI(ID_SPLITTER_SWITCHVIEW, OnUpdateSplitterSwitchview)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

static UINT indicators[] =
{
	ID_SEPARATOR,           // status line indicator
	ID_INDICATOR_CAPS,
	ID_INDICATOR_NUM,
	ID_INDICATOR_SCRL,
};

/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction

CMainFrame::CMainFrame()
{
	// TODO: add member initialization code here
	m_pSplitterWnd = NULL;
   m_pSplitterWnd2 = NULL;
   m_pSplitterWnd3 = NULL;
   m_pSplitterWnd4 = NULL;
}

CMainFrame::~CMainFrame()
{
   if (m_pSplitterWnd != NULL) delete m_pSplitterWnd;
   if (m_pSplitterWnd2 != NULL) delete m_pSplitterWnd2;
   if (m_pSplitterWnd3 != NULL) delete m_pSplitterWnd3;
   if (m_pSplitterWnd4 != NULL) delete m_pSplitterWnd4;
}

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
		| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
		!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}

	if (!m_wndStatusBar.Create(this) ||
		!m_wndStatusBar.SetIndicators(indicators,
		  sizeof(indicators)/sizeof(UINT)))
	{
		TRACE0("Failed to create status bar\n");
		return -1;      // fail to create
	}

	// TODO: Delete these three lines if you don't want the toolbar to
	//  be dockable
	m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
	EnableDocking(CBRS_ALIGN_ANY);
	DockControlBar(&m_wndToolBar);

   return 0;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics

#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
	CFrameWnd::AssertValid();
}

void CMainFrame::Dump(CDumpContext& dc) const
{
	CFrameWnd::Dump(dc);
}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers


BOOL CMainFrame::OnCreateClient(LPCREATESTRUCT lpcs, CCreateContext* pContext) 
{

   m_pSplitterWnd = new ST_SplitterWnd();

   // split into five panes :            +-----+--------+
   //                                    |     |        |
   //                                    +--+--+        |
   //                                    |  |  |        |
   //                                    +--+  |        |
   //                                    |  |  |        |
   //                                    +--+--+--------+ 
   //                                 

   m_pSplitterWnd->Create(this,NULL,NULL,pContext,true);
   m_pSplitterWnd2 = m_pSplitterWnd->AddSubDivision(LEFT_SIDE,RUNTIME_CLASS(CSplitterWndTestView3),NULL,pContext,false);   
   m_pSplitterWnd3 = m_pSplitterWnd2->AddSubDivision(BOTTOM_SIDE,NULL,RUNTIME_CLASS(CSplitterWndTestView2),pContext,true);   
   m_pSplitterWnd4 = m_pSplitterWnd3->AddSubDivision(LEFT_SIDE,RUNTIME_CLASS(CSplitterWndTestView4),RUNTIME_CLASS(CSplitterWndTestView5),pContext,false);   

   // Make the right pane switchable between two different views 
	m_nViewNo[0] = m_pSplitterWnd->AddView(RIGHT_SIDE,RUNTIME_CLASS(CSplitterWndTestView),pContext);
   m_nViewNo[1] = m_pSplitterWnd->AddView(RIGHT_SIDE,RUNTIME_CLASS(CSplitterWndTestView6),pContext);


	m_pSplitterWnd->SetInitialStatus();

   return(TRUE);
	//return CFrameWnd::OnCreateClient(lpcs, pContext);
}


void CMainFrame::OnSplitter1Expandleft() 
{
	// TODO: Code f�r Befehlsbehandlungsroutine hier einf�gen
   m_pSplitterWnd->ToggleSide(RIGHT_SIDE);	
}

void CMainFrame::OnSplitter1Expandright() 
{
	// TODO: Code f�r Befehlsbehandlungsroutine hier einf�gen
   m_pSplitterWnd->ToggleSide(LEFT_SIDE);	
}

void CMainFrame::OnUpdateSplitter1Expandleft(CCmdUI* pCmdUI) 
{
	// TODO: Code f�r die Befehlsbehandlungsroutine zum Aktualisieren der Benutzeroberfl�che hier einf�gen
   if (m_pSplitterWnd->IsSideHidden(RIGHT_SIDE)) {
      pCmdUI->SetCheck(true);	
   }
   else {
      if (m_pSplitterWnd->IsSideHidden(LEFT_SIDE)) {
         pCmdUI->Enable(FALSE);
      }
      else {
         pCmdUI->Enable(TRUE);
      }
      pCmdUI->SetCheck(false);	
   }
}

void CMainFrame::OnUpdateSplitter1Expandright(CCmdUI* pCmdUI) 
{
	// TODO: Code f�r die Befehlsbehandlungsroutine zum Aktualisieren der Benutzeroberfl�che hier einf�gen
   if (m_pSplitterWnd->IsSideHidden(LEFT_SIDE)) {
      pCmdUI->SetCheck(true);	      
   }
   else {
      if (m_pSplitterWnd->IsSideHidden(RIGHT_SIDE)) {
         pCmdUI->Enable(FALSE);
      }
      else {
         pCmdUI->Enable(TRUE);
      }
      pCmdUI->SetCheck(false);	
   }
}

void CMainFrame::OnSplitter2Expandbottom() 
{
	// Toggle the Top pane -> hide it, to expand the bottom page !
	m_pSplitterWnd2->ToggleSide(TOP_SIDE);	
}

void CMainFrame::OnSplitter2Expandtop() 
{
	// Toggle the Bottom pane -> hide it, to expand the bottom page !
	m_pSplitterWnd2->ToggleSide(BOTTOM_SIDE);		
}

void CMainFrame::OnUpdateSplitter2Expandbottom(CCmdUI* pCmdUI) 
{
	// TODO: Code f�r die Befehlsbehandlungsroutine zum Aktualisieren der Benutzeroberfl�che hier einf�gen
   if (m_pSplitterWnd2->IsSideHidden(TOP_SIDE)) {
      pCmdUI->SetCheck(true);	      
   }
   else {
      if (m_pSplitterWnd2->IsSideHidden(BOTTOM_SIDE)) {
         pCmdUI->Enable(FALSE);
      }
      else {
         pCmdUI->Enable(TRUE);
      }
      pCmdUI->SetCheck(false);	
   }
}

void CMainFrame::OnUpdateSplitter2Expandtop(CCmdUI* pCmdUI) 
{
	// TODO: Code f�r die Befehlsbehandlungsroutine zum Aktualisieren der Benutzeroberfl�che hier einf�gen
   if (m_pSplitterWnd2->IsSideHidden(BOTTOM_SIDE)) {
      pCmdUI->SetCheck(true);	
   }
   else {
      if (m_pSplitterWnd2->IsSideHidden(TOP_SIDE)) {
         pCmdUI->Enable(FALSE);
      }
      else {
         pCmdUI->Enable(TRUE);
      }
      pCmdUI->SetCheck(false);	
   }	
}

void CMainFrame::OnSplitter3Expandleft() 
{
	// TODO: Code f�r Befehlsbehandlungsroutine hier einf�gen
   m_pSplitterWnd3->ToggleSide(RIGHT_SIDE);	
}

void CMainFrame::OnSplitter3Expandright() 
{
	// TODO: Code f�r Befehlsbehandlungsroutine hier einf�gen
   m_pSplitterWnd3->ToggleSide(LEFT_SIDE);		
}

void CMainFrame::OnUpdateSplitter3Expandleft(CCmdUI* pCmdUI) 
{
	// TODO: Code f�r die Befehlsbehandlungsroutine zum Aktualisieren der Benutzeroberfl�che hier einf�gen
   if (m_pSplitterWnd3->IsSideHidden(RIGHT_SIDE)) {
      pCmdUI->SetCheck(true);	      
   }
   else {
      if (m_pSplitterWnd3->IsSideHidden(LEFT_SIDE)) {
         pCmdUI->Enable(FALSE);
      }
      else {
         pCmdUI->Enable(TRUE);
      }
      pCmdUI->SetCheck(false);	
   }	
}

void CMainFrame::OnUpdateSplitter3Expandright(CCmdUI* pCmdUI) 
{
	// TODO: Code f�r die Befehlsbehandlungsroutine zum Aktualisieren der Benutzeroberfl�che hier einf�gen
	if (m_pSplitterWnd3->IsSideHidden(LEFT_SIDE)) {
      pCmdUI->SetCheck(true);	      
   }
   else {
      if (m_pSplitterWnd3->IsSideHidden(RIGHT_SIDE)) {
         pCmdUI->Enable(FALSE);
      }
      else {
         pCmdUI->Enable(TRUE);
      }
      pCmdUI->SetCheck(false);	
   }
}


void CMainFrame::OnSplitter4Expandtop() 
{
	// TODO: Code f�r Befehlsbehandlungsroutine hier einf�gen
	m_pSplitterWnd4->ToggleSide(BOTTOM_SIDE);		
}

void CMainFrame::OnSplitter4Expandbottom() 
{
	// TODO: Code f�r Befehlsbehandlungsroutine hier einf�gen
	m_pSplitterWnd4->ToggleSide(TOP_SIDE);		
}


void CMainFrame::OnUpdateSplitter4Expandtop(CCmdUI* pCmdUI) 
{
	// TODO: Code f�r die Befehlsbehandlungsroutine zum Aktualisieren der Benutzeroberfl�che hier einf�gen
   if (m_pSplitterWnd4->IsSideHidden(BOTTOM_SIDE)) {
      pCmdUI->SetCheck(true);	
   }
   else {
      if (m_pSplitterWnd4->IsSideHidden(TOP_SIDE)) {
         pCmdUI->Enable(FALSE);
      }
      else {
         pCmdUI->Enable(TRUE);
      }
      pCmdUI->SetCheck(false);	
   }		
}

void CMainFrame::OnUpdateSplitter4Expandbottom(CCmdUI* pCmdUI) 
{
	// TODO: Code f�r die Befehlsbehandlungsroutine zum Aktualisieren der Benutzeroberfl�che hier einf�gen
   if (m_pSplitterWnd4->IsSideHidden(TOP_SIDE)) {
      pCmdUI->SetCheck(true);	
   }
   else {
      if (m_pSplitterWnd4->IsSideHidden(BOTTOM_SIDE)) {
         pCmdUI->Enable(FALSE);
      }
      else {
         pCmdUI->Enable(TRUE);
      }
      pCmdUI->SetCheck(false);	
   }	
}

void CMainFrame::OnSplitterSwitchview() 
{
	// TODO: Code f�r Befehlsbehandlungsroutine hier einf�gen
	m_pSplitterWnd->SwitchToView(1);
}

void CMainFrame::OnUpdateSplitterSwitchview(CCmdUI* pCmdUI) 
{
	// TODO: Code f�r die Befehlsbehandlungsroutine zum Aktualisieren der Benutzeroberfl�che hier einf�gen
	if (m_pSplitterWnd->IsSideHidden(RIGHT_SIDE)) {
		pCmdUI->Enable(FALSE);
	}
	else {
		pCmdUI->Enable(TRUE);
	}
}

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Daniel Zuppinger
Chief Technology Officer
Switzerland Switzerland
Professional IT developer since 1983. First projects with Cobol, then Pascal, Modula2, C and since Visual C++ 1.0 also with C++ and today C#. Works since 1986 as Consultant, between 1990 and 2008 for Infobrain in Switzerland, from 2008 until 2013 for enValue (also Switzerland) and currently working for Comfone (Bern, Switzerland).

Married, two grown-up daughters, Hobbies : Paragliding, Orienteering, Mountainbiking, Photography

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Posted 2 Sep 2001

Article Copyright 2001 by Daniel Zuppinger
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