/********************************************************************************
* Description : Select the Prev file according to type & mode, then get the name of file.
*
* Arguments :
strFile: Dos 8.3 file name of selected file.
* Returns :
TRUE: Successful.
FALSE: Fail, detail information in fselError
* Notes : None
*
********************************************************************************/
BOOL fselGetPrev(UINT32 *pEntry)
{
UINT32 dir_entry;
switch ( fselMode)
{
case FSEL_ALL_REPEATONE:
case FSEL_DIR_RANDOM:
return fselGetNext(pEntry);
case FSEL_DIR_SEQUENCE:
case FSEL_DIR_INTRO:
return SelectPrev(pEntry);
case FSEL_ALL_SEQUENCE:
return SelectPrevtDisk(pEntry);
case FSEL_ALL_REPEATALL:
if (SelectPrevtDisk(pEntry))
{
return TRUE;
}
else
{
fselInit(fselType, fselMode, 0, fselDiskLetter);
while((ERR_SUCCESS == FS_GetPrevEntry(&dir_entry, NULL, FS_DIR_DIR)))
{
FS_ChangeSubDir(dir_entry);
}
return SelectPrevtDisk(pEntry);
}
case FSEL_DIR_REPEATALL:
if (SelectPrev(pEntry ))
{
return TRUE;
}
fselFileNo = fselTotal + 1;
return SelectPrev(pEntry);
default:
return FALSE;
}
}
//****************************************************************************************
void CBCGPDateTimeCtrl::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
{
if (!IsWindowEnabled ())
{
return;
}
if (isdigit (nChar))
{
PushDigit (nChar - '0');
return;
}
if (nChar >= VK_NUMPAD0 && nChar <= VK_NUMPAD9)
{
PushDigit (nChar - VK_NUMPAD0);
return;
}
if (isalpha (nChar))
{
switch (m_CurrPartType)
{
case MONTH:
if (m_monthFormat != 2)
{
ChangeMonth (nChar);
}
break;
case AMPM:
ChangeAmPm (nChar);
break;
}
return;
}
m_iPrevDigit = -1;
switch (nChar)
{
case VK_DOWN:
ScrollCurrPart (-1);
break;
case VK_UP:
ScrollCurrPart (1);
break;
case VK_RIGHT:
SelectNext ();
break;
case VK_LEFT:
SelectPrev ();
break;
case VK_HOME:
ScrollCurrPartToLimit (TRUE);
break;
case VK_END:
ScrollCurrPartToLimit (FALSE);
break;
case VK_SPACE:
if (m_CurrPartType == CHECK_BOX)
{
ToggleCheck ();
}
else if (m_CurrPartType == AMPM)
{
ScrollCurrPart (1);
}
break;
}
CButton::OnKeyDown(nChar, nRepCnt, nFlags);
}
/********************************************************************************
* Description : Seek to the prev file
*
* Arguments :
strFile:output file name
* Returns :
TRUE: Successful
FALSE: fail.
* Notes : 目录数检查,先子目录(子目录N -- 子目录1)再父目录.
*
********************************************************************************/
BOOL SelectPrevtDisk(UINT32 *pEntry)
{
UINT32 inode;
//在当前目录向下找文件
fselError = 0;
if ( !SelectPrev(pEntry) )
{
//检查父目录.
ParentDiragainNext:
hal_TimWatchDogKeepAlive();
if ( ERR_SUCCESS == FS_ChangeSubDir(FS_PARENT_INO))
{
if (ERR_SUCCESS == FS_GetPrevEntry(&inode, NULL, FS_DIR_DIR_CONT))
{
goto CurrentDiragainNext;
}
else
{
//当前目录下有效的文件
fselTotal = 0;
fselFileNo = 0;
if ( SelectPrev(pEntry) )
{
fselError = 0;
return TRUE;
}
// 当前目录分支没有合适的文件,退回上级目录
goto ParentDiragainNext;
}
}
else
{
fselError = FSEL_ERR_OUTOF;
return FALSE;
}
//寻找当前目录下的所有目录
CurrentDiragainNext:
hal_TimWatchDogKeepAlive();
if ( ERR_SUCCESS != FS_ChangeSubDir(inode))
{
fselError = FSEL_ERR_OUTOF;
return FALSE;
}
if (ERR_SUCCESS == FS_GetPrevEntry(&inode, NULL, FS_DIR_DIR))
{
goto CurrentDiragainNext;
}
else // 寻找当前目录的下一个目录（平级寻找）
{
fselTotal = 0;
fselFileNo = 0;
if ( SelectPrev(pEntry) )
{
fselError = 0;
return TRUE;
}
// 当前目录分支没有合适的文件,退回上级目录
goto ParentDiragainNext;
}
}
return TRUE;
}
