BOOL CExportFileDialog::OnInitDialog()
{
CFileDialog::OnInitDialog();
OnTypeChange();
return TRUE;
}
UINT_PTR FileDialog::OFNHookProc(HWND hDlg,UINT uMsg,WPARAM wParam,LPARAM lParam)
{
if(_Handle==0) _Handle = ::GetParent(hDlg);
if(uMsg==WM_NOTIFY)
{
LPOFNOTIFY pon = (LPOFNOTIFY)lParam;
switch(pon->hdr.code)
{
case CDN_SELCHANGE:
{
/*if(OnSelChange.IsNull()) break;
Memory<wchar_t> path(MAX_PATH),file(MAX_PATH);
int n = (int)::SendMessage(_Handle,CDM_GETFILEPATH,(WPARAM)MAX_PATH,(LPARAM)path.Handle());
这个消息返回的值包括目录和文件名，目录们没有引号，文件名用空格分隔并且用引号包围，目录和文件名之间没有空格，目录末尾包含反斜杠。
但是引号有时没有，有时有，如果文件名包含空格，实际上无法正确获取文件名，所以此方法实际上不可用。
if(n<0) path[0] = 0;
n = (int)::SendMessage(_Handle,CDM_GETSPEC,(WPARAM)MAX_PATH,(LPARAM)file.Handle());
这个消息返回文件名，规则同上。
if(n<0) path[0] = 0;
OnSelChange(path,file);*/
break;
}
case CDN_FOLDERCHANGE:
{
if(!OnFolderChange.IsNull()){
Memory<wchar_t> path;
path.SetLength(MAX_PATH);
int n = (int)::SendMessage(_Handle,CDM_GETFOLDERPATH,(WPARAM)MAX_PATH,(LPARAM)path.Handle());
if(n<0){
path[0] = 0;
}
OnFolderChange(path,this);
}
break;
}
case CDN_FILEOK://this message is ago okid message,if return TRUE then no okid message;
if((!OnFileOk.IsNull())&&(OnFileOk(pon->lpOFN,this)))
{
SetWindowLong(_Handle,DWL_MSGRESULT,1L);
return 1;
}
break;
case CDN_TYPECHANGE:
if(!OnTypeChange.IsNull()) OnTypeChange(pon->lpOFN->nFilterIndex,this);
break;
}
}
return 0;
};
BOOL CFileDialog::OnNotify(WPARAM wParam, LPARAM lParam, LRESULT* pResult)
{
ASSERT(pResult != NULL);
// allow message map to override
if (CCommonDialog::OnNotify(wParam, lParam, pResult))
return TRUE;
#ifndef _MAC
OFNOTIFY* pNotify = (OFNOTIFY*)lParam;
switch(pNotify->hdr.code)
{
case CDN_INITDONE:
OnInitDone();
return TRUE;
case CDN_SELCHANGE:
OnFileNameChange();
return TRUE;
case CDN_FOLDERCHANGE:
OnFolderChange();
return TRUE;
case CDN_SHAREVIOLATION:
*pResult = OnShareViolation(pNotify->pszFile);
return TRUE;
case CDN_HELP:
if (!SendMessage(WM_COMMAND, ID_HELP))
SendMessage(WM_COMMANDHELP, 0, 0);
return TRUE;
case CDN_FILEOK:
*pResult = OnFileNameOK();
return TRUE;
case CDN_TYPECHANGE:
OnTypeChange();
return TRUE;
}
#endif
return FALSE; // not handled
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// 通知消息
UINT COpenDlg::OnNotify(WPARAM wParam, LPARAM lParam)
{
RECT rtRect;
BOOL bPreview;
RAWIMAGE riFormat;
TCHAR tzFileName[MAX_PATH];
switch (((LPNMHDR) lParam)->code)
{
case CDN_INITDONE:
// 调整父窗口位置，使其居中与屏幕中心
GetWindowRect(m_hParent, &rtRect);
MoveWindow(m_hParent,
(GetSystemMetrics(SM_CXSCREEN) - _RectWidth(rtRect) - 20) / 2,
(GetSystemMetrics(SM_CYSCREEN) - _RectHeight(rtRect)) / 2,
_RectWidth(rtRect), _RectHeight(rtRect), TRUE);
// 重新调整窗口大小
GetClientRect(m_hParent, &rtRect);
MoveWindow(m_hWnd, 0, 0, _RectWidth(rtRect), _RectHeight(rtRect), TRUE);
//break;
case CDN_TYPECHANGE:
OnTypeChange(((LPOFNOTIFY) lParam)->lpOFN);
break;
case CDN_SELCHANGE:
// 获取文件名
tzFileName[0] = 0;
SendMessage(m_hParent, CDM_GETFILEPATH, MAX_PATH, (LPARAM) tzFileName);
// 更改过滤器
if (m_bFilterChange)
{
m_bFilterChange = FALSE;
}
// 设置记录的历史格式
else if (CIni::GetStruct(INI_HistroyFormat, tzFileName, &riFormat, sizeof(RAWIMAGE)))
{
if (riFormat.m_csColorSpace != m_riFormat.m_csColorSpace)
{
CopyMemory(&m_riFormat, &riFormat, sizeof(RAWIMAGE));
SendDlgItemMessage(m_hParent, 0x0470, CB_SETCURSEL, m_riFormat.m_csColorSpace, 0);
}
CopyMemory(&m_riFormat, &riFormat, sizeof(RAWIMAGE));
}
else
{
// 猜测尺寸
GetSize(tzFileName);
}
// 打开文件
m_pWnd->Open(tzFileName, &m_riFormat);
// 设置校验过的格式
SetDlgItemInt(m_hWnd, IDC_Open_Width, m_riFormat.m_uWidth, FALSE);
SetDlgItemInt(m_hWnd, IDC_Open_Height, m_riFormat.m_iHeight, TRUE);
SetDlgItemInt(m_hWnd, IDC_Open_FrameRate, m_riFormat.m_uFrameRate, FALSE);
SetDlgItemInt(m_hWnd, IDC_Open_FrameStep, m_riFormat.m_iFrameStep, TRUE);
OnCommand(IDC_RawVideo_Seek);
break;
case CDN_FILEOK:
// 验证格式是否正确
SetFocus(m_hToolbar);
if (m_pWnd->m_uTotalFrame)
{
m_pWnd->Stop();
// 保存设置
bPreview = IsPreviewChecked();
CIni::SetInt(INI_OpenPeview, bPreview);
// 记录历史格式
m_riFormat = *m_pWnd;
CIni::SetStruct(INI_HistroyFormat, &m_riFormat, sizeof(RAWIMAGE));
CIni::SetStruct(INI_HistroyFormat, m_pWnd->m_tzFileName, &m_riFormat, sizeof(RAWIMAGE));
break;
}
else
{
SetWindowLongPtr(m_hWnd, DWLP_MSGRESULT, S_FALSE);
return S_FALSE;
}
break;
case TTN_NEEDTEXT:
// 显示工具栏提示
GetMenuString(CMainWnd::m_hMenu, (UINT) wParam, ((LPTOOLTIPTEXT) lParam)->szText, 80, MF_BYCOMMAND);
}
return 0;
}
