LRESULT CChildFrame::OnContextMenu(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
uMsg, wParam, lParam, bHandled;
bHandled = FALSE;
POINT ptScr = { 0 };
ptScr.x = GET_X_LPARAM(lParam);
ptScr.y = GET_Y_LPARAM(lParam);
{
POINT ptLoc = ptScr;
DWORD dwStyle = m_wndCatalog.GetStyle();
if(WS_VISIBLE != (dwStyle & WS_VISIBLE))
return S_OK;
RECT rc;
m_wndCatalog.GetClientRect(&rc);
// 将屏幕坐标转换成指定窗口的相对坐标
m_wndCatalog.ScreenToClient(&ptLoc);
// 鼠标指针是否在 TreeView 窗口内
if (::PtInRect(&rc, ptLoc))
{
UINT flags = 0;
m_pData = m_wndCatalog.HitTest(ptLoc, &flags);
if (FALSE == m_pData.IsNull())
{
TREE_ITEM_DATA * pTmp = (TREE_ITEM_DATA *)m_pData.GetData();
CMenuHandle mnuPopUp;
CMenu mnuTemp;
mnuTemp.LoadMenu(IDR_MENU_EXPORT);
mnuPopUp = mnuTemp.GetSubMenu(0);
if (pTmp->dwStgType == STGTY_STORAGE)
{
mnuPopUp.EnableMenuItem(ID_FILE_ADD_STG, MF_BYCOMMAND|MF_ENABLED);
mnuPopUp.EnableMenuItem(ID_FILE_ADD_STM, MF_BYCOMMAND|MF_ENABLED);
}
mnuPopUp.TrackPopupMenu(0, ptScr.x, ptScr.y, *this);
return 0;
}
}
}
return 0;
}
void
CMainFrame::pUpdateMenuItems()
{
BOOL fSuccess(FALSE);
if (!ndas::UpdateDeviceList())
{
// warning device list update failed.
}
if (!ndas::UpdateLogicalDeviceList())
{
// warning logical device list update failed.
}
m_taskbarMenu.ClearItemStringData();
BOOL showText = TRUE;
pGetAppConfigValue(_T("ShowDeviceStatusText"), &showText);
m_taskbarMenu.ShowDeviceStatusText(showText);
CMenuHandle taskBarRootMenu;
taskBarRootMenu.LoadMenu(IDR_TASKBAR);
if (pGetAppConfigBOOL(_T("ShowUnmountAll"), FALSE))
{
ndas::LogicalDeviceConstIterator itr = std::find_if(
m_NdasLogDevices.begin(),
m_NdasLogDevices.end(),
ndas::LogicalDeviceMounted());
if (m_NdasLogDevices.end() != itr)
{
// There is a mounted logical device
taskBarRootMenu.EnableMenuItem(
IDR_UNMOUNT_ALL,
MF_BYCOMMAND | MFS_ENABLED);
}
else
{
// There is no mounted logical device
taskBarRootMenu.EnableMenuItem(
IDR_UNMOUNT_ALL,
MF_BYCOMMAND | MFS_DISABLED);
}
// do not remove menu
}
else
{
// otherwise remove menu
taskBarRootMenu.RemoveMenu(IDR_UNMOUNT_ALL, MF_BYCOMMAND);
}
CMenuHandle taskBarMenu = ::GetSubMenu(taskBarRootMenu,0);
MENUINFO mi = {0};
mi.cbSize = sizeof(MENUINFO);
mi.fMask = MIM_STYLE;
fSuccess = taskBarMenu.GetMenuInfo(&mi);
ATLASSERT(fSuccess);
mi.cbSize = sizeof(MENUINFO);
mi.fMask = MIM_STYLE | MIM_APPLYTOSUBMENUS;
mi.dwStyle |= MNS_NOTIFYBYPOS | MNS_CHECKORBMP;
fSuccess = taskBarMenu.SetMenuInfo(&mi);
ATLASSERT(fSuccess);
if (m_NdasDevices.empty())
{
CMenuItemInfo mii;
CString strMenuText = MAKEINTRESOURCE(IDS_NO_DEVICE);
mii.fMask = MIIM_ID | MIIM_STRING | MIIM_STATE;
mii.dwTypeData = (LPTSTR)((LPCTSTR)strMenuText);
mii.wID = IDR_NDAS_DEVICE_NONE;
mii.fState = MFS_DISABLED | MFS_UNHILITE;
fSuccess = taskBarMenu.InsertMenuItem(0, TRUE, &mii);
ATLASSERT(fSuccess);
}
else
{
std::for_each(
m_NdasDevices.begin(),
m_NdasDevices.end(),
NdasDeviceMenuItemCreator(m_taskbarMenu, taskBarMenu));
}
CMenu existingTaskbarMenu = m_taskbarIcon.m_hMenu;
m_taskbarIcon.m_hMenu = taskBarRootMenu;
}