void CFX_ListCtrl::OnMouseMove(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl)
{
int32_t nHitIndex = GetItemIndex(point);
if (IsMultipleSel())
{
if (bCtrl)
{
if (m_bCtrlSel)
m_aSelItems.Add(m_nFootIndex,nHitIndex);
else
m_aSelItems.Sub(m_nFootIndex,nHitIndex);
SelectItems();
}
else
{
m_aSelItems.DeselectAll();
m_aSelItems.Add(m_nFootIndex,nHitIndex);
SelectItems();
}
SetCaret(nHitIndex);
}
else
{
SetSingleSelect(nHitIndex);
}
if (!IsItemVisible(nHitIndex))
ScrollToListItem(nHitIndex);
}
void CFX_ListCtrl::OnVK(int32_t nItemIndex,FX_BOOL bShift,FX_BOOL bCtrl)
{
if (IsMultipleSel())
{
if (nItemIndex >= 0 && nItemIndex < GetCount())
{
if (bCtrl)
{
}
else if (bShift)
{
m_aSelItems.DeselectAll();
m_aSelItems.Add(m_nFootIndex,nItemIndex);
SelectItems();
}
else
{
m_aSelItems.DeselectAll();
m_aSelItems.Add(nItemIndex);
SelectItems();
m_nFootIndex = nItemIndex;
}
SetCaret(nItemIndex);
}
}
else
{
SetSingleSelect(nItemIndex);
}
if (!IsItemVisible(nItemIndex))
ScrollToListItem(nItemIndex);
}
COptionTreeItem * COptionTree::FocusFirst()
{
// Declare variable
COptionTreeItem *otiOld;
// Set old to focus
otiOld = m_otiFocus;
// Set focused item
SetFocusedItem(m_otiVisibleList);
// Select items
if (m_otiFocus != NULL)
{
SelectItems(NULL, FALSE);
m_otiFocus->Select();
}
// Notify of selection change
if (otiOld != m_otiFocus)
{
SendNotify(OT_NOTIFY_SELCHANGE, m_otiFocus);
}
return m_otiFocus;
}
COptionTreeItem * COptionTree::FocusLast()
{
// Declare variables
COptionTreeItem* otiNext;
COptionTreeItem* otiChange;
// Set pointers
otiChange = m_otiFocus;
otiNext = m_otiVisibleList;
// Set focu on last
if (otiNext != NULL)
{
while (otiNext->GetNextVisible())
{
otiNext = otiNext->GetNextVisible();
}
SetFocusedItem(otiNext);
if (m_otiFocus != NULL)
{
SelectItems(NULL, FALSE);
m_otiFocus->Select();
}
}
// Send notify to user
if (otiChange != m_otiFocus)
{
SendNotify(OT_NOTIFY_SELCHANGE, m_otiFocus);
}
return otiNext;
}
CEGPropertyGridItem* CEGPropertyGrid::FocusPrev()
{
CEGPropertyGridItem* pNext;
CEGPropertyGridItem* pChange;
pChange = m_pFocus;
if (m_pFocus==NULL)
{
// get the last visible item
pNext = m_pVisbleList;
while (pNext && pNext->GetNextVisible())
pNext = pNext->GetNextVisible();
}
else
{
pNext = m_pVisbleList;
while (pNext && pNext->GetNextVisible()!=m_pFocus)
pNext = pNext->GetNextVisible();
}
if (pNext)
SetFocusedItem(pNext);
if (m_pFocus)
{
SelectItems(NULL, FALSE);
m_pFocus->Select();
}
if (pChange!=m_pFocus)
SendNotify(PTN_SELCHANGE, m_pFocus);
return pNext;
}
CEGPropertyGridItem* CEGPropertyGrid::FocusLast()
{
CEGPropertyGridItem* pNext;
CEGPropertyGridItem* pChange;
pChange = m_pFocus;
pNext = m_pVisbleList;
if (pNext)
{
while (pNext->GetNextVisible())
pNext = pNext->GetNextVisible();
SetFocusedItem(pNext);
if (m_pFocus)
{
SelectItems(NULL, FALSE);
m_pFocus->Select();
}
}
if (pChange!=m_pFocus)
SendNotify(PTN_SELCHANGE, m_pFocus);
return pNext;
}
CEGPropertyGridItem* CEGPropertyGrid::FocusNext()
{
CEGPropertyGridItem* pNext;
CEGPropertyGridItem* pChange;
pChange = m_pFocus;
if (m_pFocus==NULL)
pNext = m_pVisbleList;
else
if (m_pFocus->GetNextVisible())
pNext = m_pFocus->GetNextVisible();
else
pNext = NULL;
if (pNext)
SetFocusedItem(pNext);
if (m_pFocus)
{
SelectItems(NULL, FALSE);
m_pFocus->Select();
}
if (pChange!=m_pFocus)
SendNotify(PTN_SELCHANGE, m_pFocus);
return pNext;
}
LOCAL void Select_OnMouseMove(HWND hWindow, int x, int y, UINT keyFlags)
/***********************************************************************/
{
RECT rect;
LPLISTBOXDATA lpData = ListBox_GetData(hWindow);
if (!lpData)
return;
// if we are above or below the list box, then we are scrolling it, and
// we shouldn't be drawing here
GetClientRect(hWindow, &rect);
// see if we are outside the listbox
if ( y < rect.top)
y = rect.top;
else
if (y >= rect.bottom)
y = rect.bottom - 1;
// new position changes half way thru items
int iSelect = y / lpData->iItemHeight;
// add top index to get a real index
iSelect += ListBox_GetTopIndex(hWindow);
SelectItems(hWindow, iSelect);
UpdateWindow(hWindow);
}
void CWildcardSelectDialog::OnOk()
{
TCHAR szPattern[512];
GetDlgItemText(m_hDlg,IDC_SELECTGROUP_COMBOBOX,
szPattern,SIZEOF_ARRAY(szPattern));
if(lstrcmp(szPattern,EMPTY_STRING) != 0)
{
SelectItems(szPattern);
bool bStorePattern = true;
/* If the current text isn't the same as the
most recent text (if any), add it to the history
list. */
auto itr = m_pwsdps->m_PatternList.begin();
if(itr != m_pwsdps->m_PatternList.end())
{
if(lstrcmp(itr->c_str(),szPattern) == 0)
{
bStorePattern = false;
}
}
if(bStorePattern)
{
m_pwsdps->m_PatternList.push_front(szPattern);
}
}
EndDialog(m_hDlg,1);
}
LOCAL void Select_OnTimer(HWND hWindow, UINT id)
/***********************************************************************/
{
POINT pt;
int iTopItem;
RECT rect;
LPLISTBOXDATA lpData = ListBox_GetData(hWindow);
if (!lpData)
return;
GetCursorPos(&pt);
// convert the point to client coordinates
ScreenToClient(hWindow, &pt);
iTopItem = ListBox_GetTopIndex(hWindow);
GetClientRect(hWindow, &rect);
if (pt.y < rect.top) // scroll up
{
if (iTopItem > 0)
{
iTopItem--;
// make sure the new top item is selected
SelectItems(hWindow, iTopItem);
// scroll the listbox and make sure it gets repainted
ListBox_SetTopIndex(hWindow, iTopItem);
UpdateWindow(hWindow);
}
}
else if (pt.y > rect.bottom) // scroll down
{
// see if there is anything to scroll
if (lpData->iVisible + iTopItem < lpData->iCount)
{
// scroll down and make sure it gets repainted
iTopItem++;
// make sure the new bottom item is selected
SelectItems(hWindow, iTopItem+lpData->iVisible-1);
// scroll the listbox and make sure it gets repainted
ListBox_SetTopIndex(hWindow, iTopItem);
UpdateWindow(hWindow);
}
}
}
void CFX_ListCtrl::Select(int32_t nItemIndex) {
if (!IsValid(nItemIndex))
return;
if (IsMultipleSel()) {
m_aSelItems.Add(nItemIndex);
SelectItems();
} else {
SetSingleSelect(nItemIndex);
}
}
void CFX_ListCtrl::OnMouseDown(const CFX_PointF& point,
bool bShift,
bool bCtrl) {
int32_t nHitIndex = GetItemIndex(point);
if (IsMultipleSel()) {
if (bCtrl) {
if (IsItemSelected(nHitIndex)) {
m_aSelItems.Sub(nHitIndex);
SelectItems();
m_bCtrlSel = false;
} else {
m_aSelItems.Add(nHitIndex);
SelectItems();
m_bCtrlSel = true;
}
m_nFootIndex = nHitIndex;
} else if (bShift) {
m_aSelItems.DeselectAll();
m_aSelItems.Add(m_nFootIndex, nHitIndex);
SelectItems();
} else {
m_aSelItems.DeselectAll();
m_aSelItems.Add(nHitIndex);
SelectItems();
m_nFootIndex = nHitIndex;
}
SetCaret(nHitIndex);
} else {
SetSingleSelect(nHitIndex);
}
if (!IsItemVisible(nHitIndex))
ScrollToListItem(nHitIndex);
}
COptionTreeItem * COptionTree::FocusPrev()
{
// Declare variables
COptionTreeItem* otiNext;
COptionTreeItem* otiChange;
// Set pointers
otiChange = m_otiFocus;
// Get the last visible item
if (m_otiFocus == NULL)
{
otiNext = m_otiVisibleList;
while (otiNext && otiNext->GetNextVisible())
{
otiNext = otiNext->GetNextVisible();
}
}
else
{
otiNext = m_otiVisibleList;
while (otiNext && otiNext->GetNextVisible() != m_otiFocus)
{
otiNext = otiNext->GetNextVisible();
}
}
// Set focus items
if (otiNext)
{
SetFocusedItem(otiNext);
}
// Select items
if (m_otiFocus != NULL)
{
SelectItems(NULL, FALSE);
m_otiFocus->Select();
}
// Send notify to user
if (otiChange != m_otiFocus)
{
SendNotify(OT_NOTIFY_SELCHANGE, m_otiFocus);
}
return otiNext;
}
CEGPropertyGridItem* CEGPropertyGrid::FocusFirst()
{
CEGPropertyGridItem *pold;
pold = m_pFocus;
SetFocusedItem(m_pVisbleList);
if (m_pFocus)
{
SelectItems(NULL, FALSE);
m_pFocus->Select();
}
if (pold!=m_pFocus)
SendNotify(PTN_SELCHANGE, m_pFocus);
return m_pFocus;
}
void PropertyTree::OnLButtonDblClk(UINT, CPoint point)
{
SendNotify(NM_DBLCLK);
PropertyTreeItem* pItem;
if ( (pItem = FindItem(point))!=NULL )
{
if ( pItem->IsRootLevel() )
{
if (pItem->GetChild() && !SendNotify(PTN_ITEMEXPANDING, pItem))
{
pItem->Expand(!pItem->IsExpanded());
UpdateScrollbar();
Invalidate();
UpdateWindow();
CheckVisibleFocus();
}
return;
}
PropertyTreeItem* pOldFocus = GetFocusedItem();
SelectItems(NULL, FALSE);
SetFocusedItem(pItem);
pItem->Select();
Invalidate();
if ( !pItem->IsRootLevel() && pItem != pOldFocus )
SendNotify(PTN_SELCHANGE, pItem);
}
}
LOCAL void Select_OnKeyDown(HWND hWindow, UINT vk, BOOL fDown, int cRepeat, UINT flags)
/***********************************************************************/
{
int iCaretIndex, iTopItem, nItems;
// get the listbox data pointer
LPLISTBOXDATA lpData = ListBox_GetData(hWindow);
if (!lpData)
{
FORWARD_WM_KEYDOWN(hWindow, vk, cRepeat, flags, ListBox_CallWindowProc);
}
else
if (vk == VK_UP)
{
iTopItem = ListBox_GetTopIndex(hWindow);
iCaretIndex = ListBox_GetCaretIndex(hWindow);
--iCaretIndex;
if (iCaretIndex < 0)
return;
// make sure the new top item is selected
SelectItems(hWindow, iCaretIndex);
// scroll the listbox and make sure it gets repainted
if (iCaretIndex < iTopItem)
ListBox_SetTopIndex(hWindow, iCaretIndex);
UpdateWindow(hWindow);
FORWARD_WM_COMMAND(GetParent(hWindow), GetDlgCtrlID(hWindow),
hWindow, LBN_SELCHANGE, SendMessage);
}
else
if (vk == VK_DOWN)
{
RECT rect;
int iItemHeight, iVisible;
iTopItem = ListBox_GetTopIndex(hWindow);
iCaretIndex = ListBox_GetCaretIndex(hWindow);
++iCaretIndex;
nItems = ListBox_GetCount(hWindow);
if (iCaretIndex >= nItems)
return;
// make sure the new top item is selected
SelectItems(hWindow, iCaretIndex);
// get the client area
GetClientRect(hWindow, &rect);
// the height of each item
iItemHeight = ListBox_GetItemHeight(hWindow, 0);
// the number of visible items
iVisible = (rect.bottom - rect.top) / iItemHeight;
// see if there is anything to scroll
if (iCaretIndex >= (iTopItem+iVisible))
{
++iTopItem;
ListBox_SetTopIndex(hWindow, iTopItem);
}
UpdateWindow(hWindow);
FORWARD_WM_COMMAND(GetParent(hWindow), GetDlgCtrlID(hWindow),
hWindow, LBN_SELCHANGE, SendMessage);
}
// ignore all other keystrokes
}
void CTreeCtrlEx::SelectMultiple( HTREEITEM hClickedItem, UINT nFlags, CPoint point )
{
// Start preparing an NM_TREEVIEW struct to send a notification after selection is done
NM_TREEVIEW tv;
memset(&tv.itemOld, 0, sizeof(tv.itemOld));
CWnd* pWnd = GetParent();
HTREEITEM hOldItem = GetSelectedItem();
if ( hOldItem )
{
tv.itemOld.hItem = hOldItem;
tv.itemOld.state = GetItemState( hOldItem, 0xffffffff );
tv.itemOld.lParam = GetItemData( hOldItem );
tv.itemOld.mask = TVIF_HANDLE|TVIF_STATE|TVIF_PARAM;
}
// Flag signaling that selection process is NOT complete.
// (Will prohibit TVN_SELCHANGED from being sent to parent)
m_bSelectionComplete = FALSE;
// Action depends on whether the user holds down the Shift or Ctrl key
if ( nFlags & MK_SHIFT )
{
// Select from first selected item to the clicked item
if ( !m_hFirstSelectedItem )
m_hFirstSelectedItem = GetSelectedItem();
SelectItems( m_hFirstSelectedItem, hClickedItem );
}
else if ( nFlags & MK_CONTROL )
{
// Find which item is currently selected
HTREEITEM hSelectedItem = GetSelectedItem();
// Is the clicked item already selected ?
BOOL bIsClickedItemSelected = GetItemState( hClickedItem, TVIS_SELECTED ) & TVIS_SELECTED;
BOOL bIsSelectedItemSelected = FALSE;
if ( hSelectedItem )
bIsSelectedItemSelected = GetItemState( hSelectedItem, TVIS_SELECTED ) & TVIS_SELECTED;
// Must synthesize a TVN_SELCHANGING notification
if ( pWnd )
{
tv.hdr.hwndFrom = GetSafeHwnd();
tv.hdr.idFrom = GetWindowLong( GetSafeHwnd(), GWL_ID );
tv.hdr.code = TVN_SELCHANGING;
tv.itemNew.hItem = hClickedItem;
tv.itemNew.state = GetItemState( hClickedItem, 0xffffffff );
tv.itemNew.lParam = GetItemData( hClickedItem );
tv.itemOld.hItem = NULL;
tv.itemOld.mask = 0;
tv.action = TVC_BYMOUSE;
tv.ptDrag.x = point.x;
tv.ptDrag.y = point.y;
pWnd->SendMessage( WM_NOTIFY, tv.hdr.idFrom, (LPARAM)&tv );
}
// If the previously selected item was selected, re-select it
if ( bIsSelectedItemSelected )
SetItemState( hSelectedItem, TVIS_SELECTED, TVIS_SELECTED );
// We want the newly selected item to toggle its selected state,
// so unselect now if it was already selected before
if ( bIsClickedItemSelected )
SetItemState( hClickedItem, 0, TVIS_SELECTED );
else
{
SelectItem(hClickedItem);
SetItemState( hClickedItem, TVIS_SELECTED, TVIS_SELECTED );
}
// If the previously selected item was selected, re-select it
if ( bIsSelectedItemSelected && hSelectedItem != hClickedItem )
SetItemState( hSelectedItem, TVIS_SELECTED, TVIS_SELECTED );
// Store as first selected item (if not already stored)
if ( m_hFirstSelectedItem==NULL )
m_hFirstSelectedItem = hClickedItem;
}
else
{
// Clear selection of all "multiple selected" items first
ClearSelection();
// Then select the clicked item
SelectItem( hClickedItem );
SetItemState( hClickedItem, TVIS_SELECTED, TVIS_SELECTED );
// Store as first selected item
m_hFirstSelectedItem = hClickedItem;
}
// Selection process is now complete. Since we have 'eaten' the TVN_SELCHANGED
// notification provided by Windows' treectrl, we must now produce one ourselves,
// so that our parent gets to know about the change of selection.
m_bSelectionComplete = TRUE;
if ( pWnd )
{
tv.hdr.hwndFrom = GetSafeHwnd();
tv.hdr.idFrom = GetWindowLong( GetSafeHwnd(), GWL_ID );
tv.hdr.code = TVN_SELCHANGED;
tv.itemNew.hItem = m_hClickedItem;
tv.itemNew.state = GetItemState( m_hClickedItem, 0xffffffff );
tv.itemNew.lParam = GetItemData( m_hClickedItem );
tv.itemNew.mask = TVIF_HANDLE|TVIF_STATE|TVIF_PARAM;
tv.action = TVC_UNKNOWN;
pWnd->SendMessage( WM_NOTIFY, tv.hdr.idFrom, (LPARAM)&tv );
}
}
void CTreeCtrlEx::OnKeyDown( UINT nChar, UINT nRepCnt, UINT nFlags )
{
CWnd* pWnd = GetParent();
if ( nChar==VK_NEXT || nChar==VK_PRIOR )
{
if ( !( GetKeyState( VK_SHIFT )&0x8000 ) )
{
// User pressed Pg key without holding 'Shift':
// Clear multiple selection (if multiple) and let base class do
// normal selection work!
if ( GetSelectedCount()>1 )
ClearSelection( TRUE );
CTreeCtrl::OnKeyDown( nChar, nRepCnt, nFlags );
m_hFirstSelectedItem = GetSelectedItem();
return;
}
// Flag signaling that selection process is NOT complete.
// (Will prohibit TVN_SELCHANGED from being sent to parent)
m_bSelectionComplete = FALSE;
// Let base class select the item
CTreeCtrl::OnKeyDown( nChar, nRepCnt, nFlags );
HTREEITEM hSelectedItem = GetSelectedItem();
// Then select items in between
SelectItems( m_hFirstSelectedItem, hSelectedItem );
// Selection process is now complete. Since we have 'eaten' the TVN_SELCHANGED
// notification provided by Windows' treectrl, we must now produce one ourselves,
// so that our parent gets to know about the change of selection.
m_bSelectionComplete = TRUE;
if (pWnd)
{
NM_TREEVIEW tv;
memset(&tv.itemOld, 0, sizeof(tv.itemOld));
tv.hdr.hwndFrom = GetSafeHwnd();
tv.hdr.idFrom = GetWindowLong(GetSafeHwnd(), GWL_ID);
tv.hdr.code = TVN_SELCHANGED;
tv.itemNew.hItem = hSelectedItem;
tv.itemNew.state = GetItemState(hSelectedItem, 0xffffffff);
tv.itemNew.lParam = GetItemData(hSelectedItem);
tv.itemNew.mask = TVIF_HANDLE|TVIF_STATE|TVIF_PARAM;
tv.action = TVC_UNKNOWN;
pWnd->SendMessage(WM_NOTIFY, tv.hdr.idFrom, (LPARAM)&tv);
}
}
else if ( nChar==VK_UP || nChar==VK_DOWN )
{
// Find which item is currently selected
HTREEITEM hSelectedItem = GetSelectedItem();
HTREEITEM hNextItem;
if ( nChar==VK_UP )
hNextItem = GetPrevVisibleItem( hSelectedItem );
else
hNextItem = GetNextVisibleItem( hSelectedItem );
if ( !( GetKeyState( VK_SHIFT )&0x8000 ) )
{
// User pressed arrow key without holding 'Shift':
// Clear multiple selection (if multiple) and let base class do
// normal selection work!
if ( GetSelectedCount()>1 )
ClearSelection( TRUE );
if ( hNextItem )
CTreeCtrl::OnKeyDown( nChar, nRepCnt, nFlags );
m_hFirstSelectedItem = GetSelectedItem();
return;
}
if ( hNextItem )
{
// Flag signaling that selection process is NOT complete.
// (Will prohibit TVN_SELCHANGED from being sent to parent)
m_bSelectionComplete = FALSE;
// If the next item is already selected, we assume user is
// "moving back" in the selection, and thus we should clear
// selection on the previous one
BOOL bSelect = !( GetItemState( hNextItem, TVIS_SELECTED ) & TVIS_SELECTED );
// Select the next item (this will also deselect the previous one!)
SelectItem( hNextItem );
// Now, re-select the previously selected item
if ( bSelect || ( !( GetItemState( hSelectedItem, TVIS_SELECTED ) & TVIS_SELECTED ) ) )
SelectItems( m_hFirstSelectedItem, hNextItem );
// Selection process is now complete. Since we have 'eaten' the TVN_SELCHANGED
// notification provided by Windows' treectrl, we must now produce one ourselves,
// so that our parent gets to know about the change of selection.
m_bSelectionComplete = TRUE;
if (pWnd)
{
NM_TREEVIEW tv;
memset(&tv.itemOld, 0, sizeof(tv.itemOld));
tv.hdr.hwndFrom = GetSafeHwnd();
tv.hdr.idFrom = GetWindowLong(GetSafeHwnd(), GWL_ID);
tv.hdr.code = TVN_SELCHANGED;
tv.itemNew.hItem = hNextItem;
tv.itemNew.state = GetItemState(hNextItem, 0xffffffff);
tv.itemNew.lParam = GetItemData(hNextItem);
tv.itemNew.mask = TVIF_HANDLE|TVIF_STATE|TVIF_PARAM;
tv.action = TVC_UNKNOWN;
pWnd->SendMessage(WM_NOTIFY, tv.hdr.idFrom, (LPARAM)&tv);
}
}
// Since the base class' OnKeyDown() isn't called in this case,
// we must provide our own TVN_KEYDOWN notification to the parent
CWnd* pWnd = GetParent();
if ( pWnd )
{
NMTVKEYDOWN tvk;
tvk.hdr.hwndFrom = GetSafeHwnd();
tvk.hdr.idFrom = GetWindowLong( GetSafeHwnd(), GWL_ID );
tvk.hdr.code = TVN_KEYDOWN;
tvk.wVKey = nChar;
tvk.flags = 0;
pWnd->SendMessage( WM_NOTIFY, tvk.hdr.idFrom, (LPARAM)&tvk );
}
}
else
// Behave normally
CTreeCtrl::OnKeyDown( nChar, nRepCnt, nFlags );
}
void PropertyTree::OnLButtonDown(UINT flags, CPoint point)
{
//
// hide edit in place
//
if ( m_EditInPlace.IsVisible() )
m_EditInPlace.Cancel();
SendNotify(NM_CLICK);
if (!IsWindowEnabled())
return;
SetFocus();
LONG nHit = HitTest(point);
PropertyTreeItem* pItem;
CRect rc;
switch (nHit)
{
case HTEXPAND:
if ( flags != RTCLKITEM && (pItem = FindItem(point))!=NULL)
{
if (pItem->GetChild() && !SendNotify(PTN_ITEMEXPANDING, pItem))
{
pItem->Expand(!pItem->IsExpanded());
UpdateScrollbar();
Invalidate();
UpdateWindow();
CheckVisibleFocus();
}
}
break;
default:
if ((pItem = FindItem(point))!=NULL)
{
PropertyTreeItem* pOldFocus = GetFocusedItem();
if ( pItem->IsRootLevel() )
return;
SelectItems(NULL, FALSE);
SetFocusedItem(pItem);
pItem->Select();
Invalidate();
if ( flags == RTCLKITEM )
m_LastBtn = RTCLKITEM;
else
m_LastBtn = LFCLKITEM;
// don't send a sel change event for removable devices
if (pItem!=pOldFocus )
SendNotify(PTN_SELCHANGE, pItem);
if (nHit==HTATTRIBUTE && !pItem->IsRootLevel())
{
if (!SendNotify(PTN_PROPCLICK, pItem))
pItem->Activate();
}
}
break;
}
}
void CLibraryFolderCtrl::OnLButtonDown(UINT nFlags, CPoint point)
{
UINT nItemFlags = 0;
HTREEITEM hItem = HitTest( point, &nItemFlags );
if ( nItemFlags == TVHT_ONITEMBUTTON )
{
CTreeCtrl::OnLButtonDown( nFlags, point );
return;
}
if ( ( nFlags & MK_CONTROL ) && m_bMultiSelect )
{
if ( hItem )
{
UINT nNewState = GetItemState( hItem, TVIS_SELECTED ) & TVIS_SELECTED ?
0 : TVIS_SELECTED;
SetItemState( hItem, nNewState, TVIS_SELECTED );
m_hFirstSelected = NULL;
NotifySelectionChanged();
}
}
else if ( ( nFlags & MK_SHIFT ) && m_bMultiSelect )
{
hItem = HitTest( point );
if ( ! m_hFirstSelected ) m_hFirstSelected = GetFirstSelectedItem();
if ( hItem ) SetItemState( hItem, TVIS_SELECTED, TVIS_SELECTED );
if ( m_hFirstSelected ) SelectItems( m_hFirstSelected, hItem );
NotifySelectionChanged();
}
else
{
BOOL bChanged = FALSE;
BOOL bSelected = hItem && ( GetItemState( hItem, TVIS_SELECTED ) & TVIS_SELECTED );
if ( ! bSelected || ( nFlags & MK_RBUTTON ) == 0 )
{
if ( m_bFirstClick && hItem != GetRootItem() )
{
Select( hItem, TVGN_CARET );
}
bChanged = ClearSelection( hItem );
m_hFirstSelected = NULL;
}
if ( hItem )
{
if ( ! bSelected )
{
SetItemState( hItem, TVIS_SELECTED, TVIS_SELECTED );
bChanged = TRUE;
}
}
if ( bChanged ) NotifySelectionChanged();
}
m_bFirstClick = FALSE;
SetFocus();
}