MainFrm.cpp

// JPEGsnoop - JPEG Image Decoder & Analysis Utility
// Copyright (C) 2017 - Calvin Hass
// http://www.impulseadventure.com/photo/jpeg-snoop.html
//
//    This program is free software: you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation, either version 2 of the License, or
//    (at your option) any later version.
//
//    This program is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with this program.  If not, see <http://www.gnu.org/licenses/>.
//

// MainFrm.cpp : implementation of the CMainFrame class
//

#include "stdafx.h"
#include "JPEGsnoop.h"

#include "MainFrm.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CMainFrame

IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
	ON_WM_CREATE()
END_MESSAGE_MAP()

static UINT indicators[] =
{
	ID_SEPARATOR,           // status line indicator
	ID_INDICATOR_MCU,
	ID_INDICATOR_FILEPOS,
	ID_INDICATOR_YCC,		// Added YCC Value
	//ID_INDICATOR_CAPS,
	//ID_INDICATOR_NUM,
	//ID_INDICATOR_SCRL,
};


// CMainFrame construction/destruction

CMainFrame::CMainFrame()
{
	// TODO: add member initialization code here
}

CMainFrame::~CMainFrame()
{
}


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;
}



// FindMenuItem() will find a menu item string from the specified
// popup menu and returns its position (0-based) in the specified 
// popup menu. It returns -1 if no such menu item string is found.
int CMainFrame::FindMenuItem(CMenu* Menu, LPCTSTR MenuString)
{
   ASSERT(Menu);
   ASSERT(::IsMenu(Menu->GetSafeHmenu()));

   int count = Menu->GetMenuItemCount();
   for (int i = 0; i < count; i++)
   {
      CString str;
      if (Menu->GetMenuString(i, str, MF_BYPOSITION) &&
         (_tcscmp(str, MenuString) == 0))
         return i;
   }

   return -1;
}


// CMainFrame diagnostics

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

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

#endif //_DEBUG


// CMainFrame message handlers

//CAL! Following code was added to support split windows
BOOL CMainFrame::OnCreateClient(LPCREATESTRUCT lpcs, CCreateContext* pContext) 
{
	lpcs;	// Unreferenced param

	//calculate client size 
	CRect cr; 
	GetClientRect( &cr);

	if ( !m_mainSplitter.CreateStatic( this, 2, 1 ) ) 
	{ 
		MessageBox( _T("Error setting up splitter frames!"), 
					_T("Init Error!"), MB_OK | MB_ICONERROR ); 
		return FALSE; 
	}

	if ( !m_mainSplitter.CreateView( 0, 0, 
		RUNTIME_CLASS(CJPEGsnoopView), 
		CSize(cr.Width(), cr.Height()*3/4), pContext ) ) 
	{ 
		MessageBox( _T("Error setting up splitter frames!"), 
					_T("Init Error!"), MB_OK | MB_ICONERROR );
		return FALSE; 
	}

	if ( !m_mainSplitter.CreateView( 1, 0, 
			RUNTIME_CLASS(CJPEGsnoopViewImg), 
			CSize(cr.Width(), cr.Height()*1/4), pContext ) ) 
	{ 
		MessageBox( _T("Error setting up splitter frames!"), 
			_T("Init Error!"), MB_OK | MB_ICONERROR );
		return FALSE; 
	}

	m_bInitSplitter = TRUE;


	//return TRUE instead of the parent method since that would
	//not show our window
	//return CFrameWnd::OnCreateClient(lpcs, pContext);
	return TRUE;
}



void CMainFrame::OnSize(UINT nType, int cx, int cy)
{
	CFrameWnd::OnSize(nType, cx, cy);

	// TODO: Add your message handler code here

	CRect cr;
    GetWindowRect(&cr);

    if (  m_bInitSplitter && nType != SIZE_MINIMIZED )
    {

		/*
		// FIXME:
		// The following was intended to allow the current ratio / position
		// of the splitter windows to be remembered, so that the proportion
		// after resizing was the same. Unfortunately, it seems to really
		// mess up the display. Stepping into the RecalcLayout() function
		// reveals that perhaps the # rows or cols gets messed up. Perhaps
		// it is due to bad handling of the 2nd & 3rd params to GetRowInfo()?

		int nHOld0,nHOld1,nHOldTotal,nMinOld;
		m_mainSplitter.GetRowInfo(0,nHOld0,nMinOld);
		m_mainSplitter.GetRowInfo(1,nHOld1,nMinOld);
		nHOldTotal = nHOld0 + nHOld1;

        m_mainSplitter.SetColumnInfo( 0, cx, 0);
        m_mainSplitter.SetRowInfo( 0, cr.Height() * nHOld0 / nHOldTotal, 50);
        m_mainSplitter.SetRowInfo( 1, cr.Height() * nHOld1 / nHOldTotal, 50);
		*/
        m_mainSplitter.SetColumnInfo( 0, cx, 0);
        m_mainSplitter.SetRowInfo( 0, cr.Height() * 2/3, 50);
        m_mainSplitter.SetRowInfo( 1, cr.Height() * 1/3, 50);

        m_mainSplitter.RecalcLayout();
    }

}

// *********** END ************