DuiLib::CDuiString CDuiFrameWnd::GetNextPath( bool bNext )
{
int iNodeStart = -1; // 第一个文件的tree下标
int iFileCount = 0;
int iIndexPlay = m_iPlaylistIndex; // 新增的GetCurSelActivate也可以获取双击的下标，不过如果双击了非文件的列，就会变成那一列，这里用Tree只是给大家一个Demo参考，建议嵌入ListBox来保存文件路径。
GetPlaylistInfo(iNodeStart, iFileCount);
if (iFileCount <= 0)
{
return _T("");
}
if (-1 == iIndexPlay)
{
iIndexPlay = iNodeStart;
}
if (EM_PLAY_MODE_RANDOM == m_emPlayMode)
{
if (! m_queRand.size())
{
Rand(m_queRand, iFileCount);
}
iIndexPlay = iNodeStart + m_queRand.front();
m_queRand.pop_front();
}
else if (EM_PLAY_MODE_SEQUENCE == m_emPlayMode)
{
if (bNext)
{
iIndexPlay++;
if (iIndexPlay >= iNodeStart + iFileCount)
{
iIndexPlay = iNodeStart;
}
}
else
{
iIndexPlay--;
if (iIndexPlay < iNodeStart)
{
iIndexPlay = iNodeStart + iFileCount - 1;
}
}
}
CTreeViewUI *pTree = static_cast<CTreeViewUI*>(m_PaintManager.FindControl(_T("treePlaylist")));
if(pTree)
{
pTree->SelectItem(iIndexPlay, true);
}
m_iPlaylistIndex = iIndexPlay;
//return static_cast<CTreeNodeUI*>(pTree->GetItemAt(iIndexPlay))->GetItemText(); // 文件名
return m_cPlayList.GetPlaylist(iIndexPlay - iNodeStart).szFileName; // 完整路径
}
int CDuiFrameWnd::GetPlaylistIndex( int iIndexTree )
{
int iNodeStart = -1; // 第一个文件的tree下标
int iFileCount = 0;
GetPlaylistInfo(iNodeStart, iFileCount);
if (iFileCount <= 0)
{
return -1;
}
return iIndexTree - iNodeStart;
}
bool BDRingBuffer::SwitchPlaylist(uint32_t index)
{
if (!bdnav)
return false;
VERBOSE(VB_PLAYBACK, LOC + "SwitchPlaylist - start");
m_infoLock.lock();
m_currentTitleInfo = GetPlaylistInfo(index);
m_infoLock.unlock();
bool result = UpdateTitleInfo();
VERBOSE(VB_PLAYBACK, LOC + "SwitchPlaylist - end");
return result;
}