windows-nt/Source/XPSP1/NT/multimedia/directx/dmusic/dmtoolprp/transposepage.cpp
2020-09-26 16:20:57 +08:00

84 lines
2 KiB
C++

// TransposePage.cpp : Implementation of CTransposePage
#include "stdafx.h"
#include "ToolProps.h"
#include "TransposePage.h"
/////////////////////////////////////////////////////////////////////////////
// CTransposePage
CTransposePage::CTransposePage()
{
m_dwTitleID = IDS_TITLETransposePage;
m_dwHelpFileID = IDS_HELPFILETransposePage;
m_dwDocStringID = IDS_DOCSTRINGTransposePage;
m_pTranspose = NULL;
}
CTransposePage::~CTransposePage()
{
if (m_pTranspose)
{
m_pTranspose->Release();
}
}
STDMETHODIMP CTransposePage::SetObjects(ULONG cObjects,IUnknown **ppUnk)
{
if (cObjects < 1 || cObjects > 1)
return E_UNEXPECTED;
return ppUnk[0]->QueryInterface(IID_IDirectMusicTransposeTool,(void **) &m_pTranspose);
}
STDMETHODIMP CTransposePage::Apply(void)
{
m_pTranspose->SetTranspose((long) m_ctTranspose.GetValue());
m_pTranspose->SetType(m_ctType.GetValue());
m_bDirty = FALSE;
return S_OK;
}
LRESULT CTransposePage::OnInitDialog(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
if (m_pTranspose)
{
static char *pTypes[2] = { "Linear","In Scale"};
m_ctTranspose.Init(GetDlgItem(IDC_TRANSPOSE),GetDlgItem(IDC_TRANSPOSE_DISPLAY),-24,24,true);
m_ctType.Init(GetDlgItem(IDC_TYPE),IDC_TYPE,pTypes,2);
DWORD dwType;
m_pTranspose->GetType(&dwType);
m_ctType.SetValue(dwType);
long lTranspose;
m_pTranspose->GetTranspose(&lTranspose);
m_ctTranspose.SetValue((float)lTranspose);
}
return 1;
}
LRESULT CTransposePage::OnCommand(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
LRESULT lr = m_ctTranspose.MessageHandler(uMsg, wParam,lParam, bHandled);
if (!bHandled)
lr = m_ctType.MessageHandler(uMsg, wParam, lParam, bHandled);
if (bHandled)
SetDirty(true);
return lr;
}
LRESULT CTransposePage::OnSlider(UINT uMsg, WPARAM wParam,LPARAM lParam, BOOL& bHandled)
{
LRESULT lr = m_ctTranspose.MessageHandler(uMsg, wParam,lParam, bHandled);
if (bHandled)
SetDirty(true);
return lr;
}