A Comprehensive CE Class Library to Replace ATL and MFC

#include "StdAfx.h"

#include "CeWnd.h"
#include "CeSplit.h"

void CeSplitFrame::GetWindowPlacements(CeRect& rc, CeRect& rcTop, CeRect& rcBottom)
{
	if (GetSystemMetrics(SM_CXSCREEN) >= GetSystemMetrics(SM_CYSCREEN))
	{
		// HPC
		rcTop = CeRect(rc.left, rc.top, rc.left +  2 * rc.Width() / 5, rc.bottom);
		rcBottom = CeRect(rcTop.right, rc.top, rc.right, rc.bottom);
		m_bVertical = false;
		rcTop.right -= 3;
		rcBottom.left += 3;
	}
	else
	{
		// PPC
		rcTop = CeRect(rc.left, rc.top, rc.right, rc.top + rc.Height() / 2);
		rcBottom = CeRect(rc.left, rcTop.bottom, rc.right, rc.bottom);
		m_bVertical = true;
		rcTop.bottom -= 3;
		rcBottom.top += 3;
	}
}


void CeSplitFrame::OnLButtonDown( UINT nFlags, POINT point, bool& bHandled )
{
	bHandled = true;

	SetCapture();
	Invalidate();

	m_bMoving = true;
}

void CeSplitFrame::OnLButtonUp( UINT nFlags, POINT point, bool& bHandled )
{
	bHandled = true;

	ReleaseCapture();
	Invalidate();

	m_bMoving = false;
}


void CeSplitFrame::OnMouseMove( UINT nFlags, POINT point, bool& bHandled )
{
	bHandled = true;

	if (m_bMoving)
	{
		CeRect rc, rcTop, rcBottom;

		GetClientRect(rc);
#ifdef _WIN32_WCE
		rc.top += m_cmdband.Height();
#endif
		if (! m_bVertical)
		{
			// HPC
			rcTop = CeRect(rc.left, rc.top, point.x - 3, rc.bottom);
			rcBottom = CeRect(rcTop.right + 3, rc.top, rc.right, rc.bottom);
			rcTop.right--;
			rcBottom.left++;
		}
		else
		{
			// PPC
			rcTop = CeRect(rc.left, rc.top, rc.right, point.y - 3);
			rcBottom = CeRect(rc.left, rcTop.bottom + 3, rc.right, rc.bottom);
			rcTop.bottom--;
			rcBottom.top++;
		}

		if (rcTop.Height() >= 0 && rcBottom.Height() >= 0)
		{
			::MoveWindow(m_hwndTop, rcTop.left, rcTop.top, rcTop.Width(), rcTop.Height(), TRUE);
			::MoveWindow(m_hwndBottom, rcBottom.left, rcBottom.top, rcBottom.Width(), rcBottom.Height(), TRUE);
		}
	}
}

//
// Paint the divider between the two panes
//
void CeSplitFrame::OnPaint( bool& bHandled )
{
	bHandled = true;
	PAINTSTRUCT ps;
	HDC hDC = ::BeginPaint(*this, &ps);

	CeRect rc;
	::GetWindowRect(m_hwndTop, rc);
	ScreenToClient(rc);

	if (m_bVertical)
	{
		// PPC
		rc.top = rc.bottom;
		rc.bottom += 6;

		rc.left -= 2;
		rc.right += 2;
	}
	else
	{
		// HPC
		rc.left = rc.right;
		rc.right += 6;

		rc.top -= 2;
		rc.bottom += 2;
	}

	if (m_bMoving)
	{
		::SetBkColor(hDC, RGB(0,0,0));
		::ExtTextOut(hDC, 0, 0, ETO_OPAQUE, &rc, NULL, 0, NULL);
	}
	else
	{
		::DrawFrameControl(hDC, &rc, DFC_BUTTON, DFCS_BUTTONPUSH);
	}

	::EndPaint(*this, &ps);
}


//
// Incase we're sized, set to defaults
//
void CeSplitFrame::OnSize( UINT nType, int cx, int cy, bool& bHandled )
{
	bHandled = false;	// allow default

	CeRect rc;
	GetClientRect(&rc);
#ifdef _WIN32_WCE
	rc.top += m_cmdband.Height();
#endif

	CeRect rcTop, rcBottom;
	GetWindowPlacements(rc, rcTop, rcBottom);

	::MoveWindow(m_hwndBottom, rcBottom.left, rcBottom.top, 
		rcBottom.Width(), rcBottom.Height(), TRUE);

	::MoveWindow(m_hwndTop, rcTop.left, rcTop.top, 
		rcTop.Width(), rcTop.Height(), TRUE);

	TRACE0("Size Change\n");
}