// TimeShiftPage.cpp : Implementation of CTimeShiftPage
#include "stdafx.h"
#include "ToolProps.h"
#include "TimeShiftPage.h"

/////////////////////////////////////////////////////////////////////////////
// CTimeShiftPage

CTimeShiftPage::CTimeShiftPage() 
{
	m_dwTitleID = IDS_TITLETimeShiftPage;
	m_dwHelpFileID = IDS_HELPFILETimeShiftPage;
	m_dwDocStringID = IDS_DOCSTRINGTimeShiftPage;
    m_pTimeShift = NULL;
}

CTimeShiftPage::~CTimeShiftPage()

{
    if (m_pTimeShift)
    {
        m_pTimeShift->Release();
    }
}

STDMETHODIMP CTimeShiftPage::SetObjects(ULONG cObjects,IUnknown **ppUnk)

{
	if (cObjects < 1 || cObjects > 1)
	    return E_UNEXPECTED;
	return ppUnk[0]->QueryInterface(IID_IDirectMusicTimeShiftTool,(void **) &m_pTimeShift);
}


STDMETHODIMP CTimeShiftPage::Apply(void)

{
    m_pTimeShift->SetRange((DWORD)m_ctRange.GetValue());
    m_pTimeShift->SetTimeUnit(m_ctTimeUnit.GetValue()+1);
    m_pTimeShift->SetOffset((long)m_ctOffset.GetValue());
	m_bDirty = FALSE;
	return S_OK;
}

void CTimeShiftPage::SetTimeUnitRange()

{
    DWORD dwRes = m_ctTimeUnit.GetValue();
    if (dwRes < 1)
    {
        m_ctOffset.SetRange(-1000,1000);
        m_ctRange.SetRange(0,1000);
    }
    else
    {
        m_ctOffset.SetRange(-48,48);
        m_ctRange.SetRange(0,48);
        m_ctOffset.UpdateSlider();
        m_ctRange.UpdateSlider();
    }
}

LRESULT CTimeShiftPage::OnInitDialog(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)

{
	if (m_pTimeShift)
    {
        static char *pTimeUnit[DMUS_TIME_UNIT_COUNT-1] = { 
            "Music Clicks","Grid", "Beat","Bar",
            "64th note triplets", "64th notes",
            "32nd note triplets",
            "32nd notes","16th note triplets","16th notes",
            "8th note triplets","8th notes","Quarter note triplets",
            "Quarter notes","Half note triplets","Half notes",
            "Whole note triplets", "Whole notes"
        };
        m_ctRange.Init(GetDlgItem(IDC_RANGE),GetDlgItem(IDC_RANGE_DISPLAY),0,200,true);
        m_ctOffset.Init(GetDlgItem(IDC_OFFSET),GetDlgItem(IDC_OFFSET_DISPLAY),-200,200,true);
        m_ctTimeUnit.Init(GetDlgItem(IDC_TIMEUNIT),IDC_TIMEUNIT,pTimeUnit,DMUS_TIME_UNIT_COUNT-1);

        long lValue;
        m_pTimeShift->GetTimeUnit((DWORD *)&lValue);
        m_ctTimeUnit.SetValue(lValue-1);
        SetTimeUnitRange();
        m_pTimeShift->GetRange((DWORD *)&lValue);
        m_ctRange.SetValue((float)lValue);
        m_pTimeShift->GetOffset(&lValue);
        m_ctOffset.SetValue((float)lValue);
    }
	return 1;
}

LRESULT CTimeShiftPage::OnCommand(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)

{
	LRESULT lr = m_ctRange.MessageHandler(uMsg, wParam,lParam, bHandled);
	if (!bHandled)
	    lr = m_ctOffset.MessageHandler(uMsg, wParam, lParam, bHandled);
    if (!bHandled) 
    {
        lr = m_ctTimeUnit.MessageHandler(uMsg, wParam, lParam, bHandled);
        if (bHandled) 
        {
            SetTimeUnitRange();
        }
    }
    if (bHandled)
        SetDirty(true);
	return lr;
}


LRESULT CTimeShiftPage::OnSlider(UINT uMsg, WPARAM wParam,LPARAM lParam, BOOL& bHandled)

{
	LRESULT lr = m_ctRange.MessageHandler(uMsg, wParam,lParam, bHandled);
	if (!bHandled)
	    lr = m_ctOffset.MessageHandler(uMsg, wParam, lParam, bHandled);
    if (bHandled)
        SetDirty(true);
	return lr;
}