#pragma hdrstop
#endif
-#ifndef WX_PRECOMP
- #include "wx.h"
-#endif
-
-#if defined(__WIN95__)
-
-#include "wx/log.h"
-#include "wx/imaglist.h"
-
+#include "wx/window.h"
#include "wx/msw/private.h"
-#ifndef __GNUWIN32__
- #include <commctrl.h>
+#ifndef WX_PRECOMP
+ #include "wx/settings.h"
#endif
+// Mingw32 is a bit mental even though this is done in winundef
#ifdef GetFirstChild
-#undef GetFirstChild
+ #undef GetFirstChild
#endif
-#ifdef GetNextChild
-#undef GetNextChild
+#ifdef GetNextSibling
+ #undef GetNextSibling
#endif
-#ifdef GetNextSibling
-#undef GetNextSibling
+#if defined(__WIN95__)
+
+#include "wx/log.h"
+#include "wx/dynarray.h"
+#include "wx/imaglist.h"
+#include "wx/treectrl.h"
+
+#ifdef __GNUWIN32__
+#include "wx/msw/gnuwin32/extra.h"
#endif
-#include "wx/msw/treectrl.h"
+#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__)
+ #include <commctrl.h>
+#endif
// Bug in headers, sometimes
#ifndef TVIS_FOCUSED
IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl)
#endif
-// hide the ugly cast (of course, the macro is _quite_ ugly too...)
-#define wxhWnd ((HWND)m_hWnd)
-
// ----------------------------------------------------------------------------
// variables
// ----------------------------------------------------------------------------
m_windowId = (id == -1) ? NewControlId() : id;
- DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP | TVS_HASLINES;
+ DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP |
+ TVS_HASLINES | TVS_SHOWSELALWAYS;
bool want3D;
WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
(
exStyle,
WC_TREEVIEW,
- "",
+ _T(""),
wstyle,
pos.x, pos.y, size.x, size.y,
(HWND)parent->GetHWND(),
NULL
);
- wxCHECK_MSG( m_hWnd, FALSE, "Failed to create tree ctrl" );
+ wxCHECK_MSG( m_hWnd, FALSE, _T("Failed to create tree ctrl") );
if ( parent )
parent->AddChild(this);
bool wxTreeCtrl::DoGetItem(wxTreeViewItem* tvItem) const
{
- if ( !TreeView_GetItem(wxhWnd, tvItem) )
+ if ( !TreeView_GetItem(GetHwnd(), tvItem) )
{
wxLogLastError("TreeView_GetItem");
void wxTreeCtrl::DoSetItem(wxTreeViewItem* tvItem)
{
- if ( TreeView_SetItem(wxhWnd, tvItem) == -1 )
+ if ( TreeView_SetItem(GetHwnd(), tvItem) == -1 )
{
wxLogLastError("TreeView_SetItem");
}
size_t wxTreeCtrl::GetCount() const
{
- return (size_t)TreeView_GetCount(wxhWnd);
+ return (size_t)TreeView_GetCount(GetHwnd());
}
unsigned int wxTreeCtrl::GetIndent() const
{
- return TreeView_GetIndent(wxhWnd);
+ return TreeView_GetIndent(GetHwnd());
}
void wxTreeCtrl::SetIndent(unsigned int indent)
{
- TreeView_SetIndent(wxhWnd, indent);
+ TreeView_SetIndent(GetHwnd(), indent);
}
wxImageList *wxTreeCtrl::GetImageList() const
void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which)
{
// no error return
- TreeView_SetImageList(wxhWnd,
+ TreeView_SetImageList(GetHwnd(),
imageList ? imageList->GetHIMAGELIST() : 0,
which);
}
SetAnyImageList(m_imageListState = imageList, TVSIL_STATE);
}
+size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recursively)
+{
+ long cookie;
+
+ size_t result = 0;
+
+ wxArrayLong children;
+ wxTreeItemId child = GetFirstChild(item, cookie);
+ while ( child.IsOk() )
+ {
+ if ( recursively )
+ {
+ // recursive call
+ result += GetChildrenCount(child, TRUE);
+ }
+
+ // add the child to the result in any case
+ result++;
+
+ child = GetNextChild(item, cookie);
+ }
+
+ return result;
+}
+
// ----------------------------------------------------------------------------
// Item access
// ----------------------------------------------------------------------------
wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
{
- char buf[512]; // the size is arbitrary...
+ wxChar buf[512]; // the size is arbitrary...
wxTreeViewItem tvItem(item, TVIF_TEXT);
tvItem.pszText = buf;
if ( !DoGetItem(&tvItem) )
{
// don't return some garbage which was on stack, but an empty string
- buf[0] = '\0';
+ buf[0] = _T('\0');
}
return wxString(buf);
void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text)
{
wxTreeViewItem tvItem(item, TVIF_TEXT);
- tvItem.pszText = (char *)text.c_str(); // conversion is ok
+ tvItem.pszText = (wxChar *)text.c_str(); // conversion is ok
DoSetItem(&tvItem);
}
DoSetItem(&tvItem);
}
+void wxTreeCtrl::SetItemDropHighlight(const wxTreeItemId& item, bool highlight)
+{
+ wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_DROPHILITED);
+ tvItem.state = highlight ? TVIS_DROPHILITED : 0;
+ DoSetItem(&tvItem);
+}
+
// ----------------------------------------------------------------------------
// Item status
// ----------------------------------------------------------------------------
{
// Bug in Gnu-Win32 headers, so don't use the macro TreeView_GetItemRect
RECT rect;
- return SendMessage(wxhWnd, TVM_GETITEMRECT, FALSE, (LPARAM)&rect) != 0;
+ return SendMessage(GetHwnd(), TVM_GETITEMRECT, FALSE, (LPARAM)&rect) != 0;
}
wxTreeItemId wxTreeCtrl::GetRootItem() const
{
- return wxTreeItemId((WXHTREEITEM) TreeView_GetRoot(wxhWnd));
+ return wxTreeItemId((WXHTREEITEM) TreeView_GetRoot(GetHwnd()));
}
wxTreeItemId wxTreeCtrl::GetSelection() const
{
- return wxTreeItemId((WXHTREEITEM) TreeView_GetSelection(wxhWnd));
+ return wxTreeItemId((WXHTREEITEM) TreeView_GetSelection(GetHwnd()));
}
wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const
{
- return wxTreeItemId((WXHTREEITEM) TreeView_GetParent(wxhWnd, (HTREEITEM) (WXHTREEITEM) item));
+ return wxTreeItemId((WXHTREEITEM) TreeView_GetParent(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item));
}
wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item,
long& _cookie) const
{
// remember the last child returned in 'cookie'
- _cookie = (long)TreeView_GetChild(wxhWnd, (HTREEITEM) (WXHTREEITEM)item);
+ _cookie = (long)TreeView_GetChild(GetHwnd(), (HTREEITEM) (WXHTREEITEM)item);
return wxTreeItemId((WXHTREEITEM)_cookie);
}
wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& WXUNUSED(item),
long& _cookie) const
{
- wxTreeItemId l=wxTreeItemId((WXHTREEITEM) TreeView_GetNextSibling(wxhWnd,
- (HTREEITEM) (WXHTREEITEM)_cookie));
- _cookie=(long)l;
+ wxTreeItemId l = wxTreeItemId((WXHTREEITEM)TreeView_GetNextSibling(GetHwnd(),
+ (HTREEITEM)(WXHTREEITEM)_cookie));
+ _cookie = (long)l;
+
return l;
}
+wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const
+{
+ // can this be done more efficiently?
+ long cookie;
+
+ wxTreeItemId childLast,
+ child = GetFirstChild(item, cookie);
+ while ( child.IsOk() )
+ {
+ childLast = child;
+ child = GetNextChild(item, cookie);
+ }
+
+ return childLast;
+}
+
wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const
{
- return wxTreeItemId((WXHTREEITEM) TreeView_GetNextSibling(wxhWnd, (HTREEITEM) (WXHTREEITEM) item));
+ return wxTreeItemId((WXHTREEITEM) TreeView_GetNextSibling(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item));
}
wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const
{
- return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevSibling(wxhWnd, (HTREEITEM) (WXHTREEITEM) item));
+ return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevSibling(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item));
}
wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const
{
- return wxTreeItemId((WXHTREEITEM) TreeView_GetFirstVisible(wxhWnd));
+ return wxTreeItemId((WXHTREEITEM) TreeView_GetFirstVisible(GetHwnd()));
}
wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
{
- wxASSERT_MSG( IsVisible(item), "The item you call GetNextVisible() "
- "for must be visible itself!");
+ wxASSERT_MSG( IsVisible(item), _T("The item you call GetNextVisible() "
+ "for must be visible itself!"));
- return wxTreeItemId((WXHTREEITEM) TreeView_GetNextVisible(wxhWnd, (HTREEITEM) (WXHTREEITEM) item));
+ return wxTreeItemId((WXHTREEITEM) TreeView_GetNextVisible(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item));
}
wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const
{
- wxASSERT_MSG( IsVisible(item), "The item you call GetPrevVisible() "
- "for must be visible itself!");
+ wxASSERT_MSG( IsVisible(item), _T("The item you call GetPrevVisible() "
+ "for must be visible itself!"));
- return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevVisible(wxhWnd, (HTREEITEM) (WXHTREEITEM) item));
+ return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevVisible(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item));
}
// ----------------------------------------------------------------------------
TV_INSERTSTRUCT tvIns;
tvIns.hParent = (HTREEITEM) (WXHTREEITEM)parent;
tvIns.hInsertAfter = (HTREEITEM) (WXHTREEITEM) hInsertAfter;
+
+ // This is how we insert the item as the first child: supply a NULL hInsertAfter
+ if (tvIns.hInsertAfter == (HTREEITEM) 0)
+ {
+ tvIns.hInsertAfter = TVI_FIRST;
+ }
+
UINT mask = 0;
if ( !text.IsEmpty() )
{
mask |= TVIF_TEXT;
- tvIns.item.pszText = (char *)text.c_str(); // cast is ok
+ tvIns.item.pszText = (wxChar *)text.c_str(); // cast is ok
}
if ( image != -1 )
tvIns.item.mask = mask;
- HTREEITEM id = (HTREEITEM) TreeView_InsertItem(wxhWnd, &tvIns);
+ HTREEITEM id = (HTREEITEM) TreeView_InsertItem(GetHwnd(), &tvIns);
if ( id == 0 )
{
wxLogLastError("TreeView_InsertItem");
void wxTreeCtrl::Delete(const wxTreeItemId& item)
{
- if ( !TreeView_DeleteItem(wxhWnd, (HTREEITEM)(WXHTREEITEM)item) )
+ if ( !TreeView_DeleteItem(GetHwnd(), (HTREEITEM)(WXHTREEITEM)item) )
{
wxLogLastError("TreeView_DeleteItem");
}
}
+// delete all children (but don't delete the item itself)
+void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item)
+{
+ long cookie;
+
+ wxArrayLong children;
+ wxTreeItemId child = GetFirstChild(item, cookie);
+ while ( child.IsOk() )
+ {
+ children.Add((long)(WXHTREEITEM)child);
+
+ child = GetNextChild(item, cookie);
+ }
+
+ size_t nCount = children.Count();
+ for ( size_t n = 0; n < nCount; n++ )
+ {
+ if ( !TreeView_DeleteItem(GetHwnd(), (HTREEITEM)children[n]) )
+ {
+ wxLogLastError("TreeView_DeleteItem");
+ }
+ }
+}
+
void wxTreeCtrl::DeleteAllItems()
{
- if ( !TreeView_DeleteAllItems(wxhWnd) )
+ if ( !TreeView_DeleteAllItems(GetHwnd()) )
{
wxLogLastError("TreeView_DeleteAllItems");
}
void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag)
{
- wxASSERT_MSG( flag == TVE_COLLAPSE || flag == TVE_COLLAPSERESET ||
- flag == TVE_EXPAND || flag == TVE_TOGGLE,
- "Unknown flag in wxTreeCtrl::DoExpand" );
+ wxASSERT_MSG( flag == TVE_COLLAPSE ||
+ flag == (TVE_COLLAPSE | TVE_COLLAPSERESET) ||
+ flag == TVE_EXPAND ||
+ flag == TVE_TOGGLE,
+ _T("Unknown flag in wxTreeCtrl::DoExpand") );
// TreeView_Expand doesn't send TVN_ITEMEXPAND(ING) messages, so we must
- // emulate them
- if ( TreeView_Expand(wxhWnd, (HTREEITEM) (WXHTREEITEM) item, flag) != 0 )
+ // emulate them. This behaviour has changed slightly with comctl32.dll
+ // v 4.70 - now it does send them but only the first time. To maintain
+ // compatible behaviour and also in order to not have surprises with the
+ // future versions, don't rely on this and still do everything ourselves.
+ // To avoid that the messages be sent twice when the item is expanded for
+ // the first time we must clear TVIS_EXPANDEDONCE style manually.
+
+ wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_EXPANDEDONCE);
+ tvItem.state = 0;
+ DoSetItem(&tvItem);
+
+ if ( TreeView_Expand(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item, flag) != 0 )
{
wxTreeEvent event(wxEVT_NULL, m_windowId);
event.m_item = item;
event.SetEventObject(this);
- // @@@ return values of {EXPAND|COLLAPS}ING event handler is discarded
+ // FIXME return value of {EXPAND|COLLAPS}ING event handler is discarded
event.SetEventType(g_events[isExpanded][TRUE]);
GetEventHandler()->ProcessEvent(event);
event.SetEventType(g_events[isExpanded][FALSE]);
GetEventHandler()->ProcessEvent(event);
}
- else
- {
- // I wonder if it really ever happens...
- wxLogDebug("TreeView_Expand: change didn't took place.");
- }
+ //else: change didn't took place, so do nothing at all
}
void wxTreeCtrl::Expand(const wxTreeItemId& item)
void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item)
{
- DoExpand(item, TVE_COLLAPSERESET);
+ DoExpand(item, TVE_COLLAPSE | TVE_COLLAPSERESET);
}
void wxTreeCtrl::Toggle(const wxTreeItemId& item)
void wxTreeCtrl::SelectItem(const wxTreeItemId& item)
{
- if ( !TreeView_SelectItem(wxhWnd, (HTREEITEM) (WXHTREEITEM) item) )
+ // inspite of the docs (MSDN Jan 99 edition), we don't seem to receive
+ // the notification from the control (i.e. TVN_SELCHANG{ED|ING}), so
+ // send them ourselves
+
+ wxTreeEvent event(wxEVT_NULL, m_windowId);
+ event.m_item = item;
+ event.SetEventObject(this);
+
+ event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGING);
+ if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() )
{
- wxLogLastError("TreeView_SelectItem");
+ if ( !TreeView_SelectItem(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item) )
+ {
+ wxLogLastError("TreeView_SelectItem");
+ }
+ else
+ {
+ event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED);
+ (void)GetEventHandler()->ProcessEvent(event);
+ }
}
+ //else: program vetoed the change
}
void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item)
{
// no error return
- TreeView_EnsureVisible(wxhWnd, (HTREEITEM) (WXHTREEITEM) item);
+ TreeView_EnsureVisible(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item);
}
void wxTreeCtrl::ScrollTo(const wxTreeItemId& item)
{
- if ( !TreeView_SelectSetFirstVisible(wxhWnd, (HTREEITEM) (WXHTREEITEM) item) )
+ if ( !TreeView_SelectSetFirstVisible(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item) )
{
wxLogLastError("TreeView_SelectSetFirstVisible");
}
{
wxASSERT( textControlClass->IsKindOf(CLASSINFO(wxTextCtrl)) );
- HWND hWnd = (HWND) TreeView_EditLabel(wxhWnd, (HTREEITEM) (WXHTREEITEM) item);
+ HWND hWnd = (HWND) TreeView_EditLabel(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item);
- wxCHECK_MSG( hWnd, NULL, "Can't edit tree ctrl label" );
+ // this is not an error - the TVN_BEGINLABELEDIT handler might have
+ // returned FALSE
+ if ( !hWnd )
+ {
+ return NULL;
+ }
DeleteTextCtrl();
// End label editing, optionally cancelling the edit
void wxTreeCtrl::EndEditLabel(const wxTreeItemId& item, bool discardChanges)
{
- TreeView_EndEditLabelNow(wxhWnd, discardChanges);
+ TreeView_EndEditLabelNow(GetHwnd(), discardChanges);
DeleteTextCtrl();
}
hitTestInfo.pt.x = (int)point.x;
hitTestInfo.pt.y = (int)point.y;
- TreeView_HitTest(wxhWnd, &hitTestInfo);
+ TreeView_HitTest(GetHwnd(), &hitTestInfo);
flags = 0;
return wxTreeItemId((WXHTREEITEM) hitTestInfo.hItem);
}
-void wxTreeCtrl::SortChildren(const wxTreeItemId& item,
- wxTreeItemCmpFunc *cmpFunction)
+bool wxTreeCtrl::GetBoundingRect(const wxTreeItemId& item,
+ wxRect& rect,
+ bool textOnly) const
{
- if ( cmpFunction == NULL )
+ RECT rc;
+ if ( TreeView_GetItemRect(GetHwnd(), (HTREEITEM)(WXHTREEITEM)item,
+ &rc, textOnly) )
{
- TreeView_SortChildren(wxhWnd, (HTREEITEM) (WXHTREEITEM) item, 0);
+ rect = wxRect(wxPoint(rc.left, rc.top), wxPoint(rc.right, rc.bottom));
+
+ return TRUE;
}
else
{
- // TODO: use TreeView_SortChildrenCB
- wxFAIL_MSG("wxTreeCtrl::SortChildren not implemented");
+ // couldn't retrieve rect: for example, item isn't visible
+ return FALSE;
}
}
-// TODO
-size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recursively)
+// ----------------------------------------------------------------------------
+// sorting stuff
+// ----------------------------------------------------------------------------
+
+static int CALLBACK TreeView_CompareCallback(wxTreeItemData *pItem1,
+ wxTreeItemData *pItem2,
+ wxTreeCtrl *tree)
+{
+ wxCHECK_MSG( pItem1 && pItem2, 0,
+ _T("sorting tree without data doesn't make sense") );
+
+ return tree->OnCompareItems(pItem1->GetId(), pItem2->GetId());
+}
+
+int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
+ const wxTreeItemId& item2)
{
- return 0;
+ return wxStrcmp(GetItemText(item1), GetItemText(item2));
+}
+
+void wxTreeCtrl::SortChildren(const wxTreeItemId& item)
+{
+ // rely on the fact that TreeView_SortChildren does the same thing as our
+ // default behaviour, i.e. sorts items alphabetically and so call it
+ // directly if we're not in derived class (much more efficient!)
+ if ( GetClassInfo() == CLASSINFO(wxTreeCtrl) )
+ {
+ TreeView_SortChildren(GetHwnd(), (HTREEITEM)(WXHTREEITEM)item, 0);
+ }
+ else
+ {
+ TV_SORTCB tvSort;
+ tvSort.hParent = (HTREEITEM)(WXHTREEITEM)item;
+ tvSort.lpfnCompare = (PFNTVCOMPARE)TreeView_CompareCallback;
+ tvSort.lParam = (LPARAM)this;
+ TreeView_SortChildrenCB(GetHwnd(), &tvSort, 0 /* reserved */);
+ }
}
// ----------------------------------------------------------------------------
}
// process WM_NOTIFY Windows message
-bool wxTreeCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result)
+bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
{
wxTreeEvent event(wxEVT_NULL, m_windowId);
wxEventType eventType = wxEVT_NULL;
TV_DISPINFO *info = (TV_DISPINFO *)lParam;
event.m_item = (WXHTREEITEM) info->item.hItem;
+ event.m_label = info->item.pszText;
break;
}
eventType = wxEVT_COMMAND_TREE_END_LABEL_EDIT;
TV_DISPINFO *info = (TV_DISPINFO *)lParam;
- event.m_item = (WXHTREEITEM) info->item.hItem;
+ event.m_item = (WXHTREEITEM)info->item.hItem;
+ event.m_label = info->item.pszText;
break;
}
break;
default:
- wxLogDebug("unexpected code %d in TVN_ITEMEXPAND "
- "message", tv->action);
+ wxLogDebug(_T("unexpected code %d in TVN_ITEMEXPAND "
+ "message"), tv->action);
}
bool ing = (hdr->code == TVN_ITEMEXPANDING);
TV_KEYDOWN *info = (TV_KEYDOWN *)lParam;
event.m_code = wxCharCodeMSWToWX(info->wVKey);
+
+ // a separate event for this case
+ if ( info->wVKey == VK_SPACE || info->wVKey == VK_RETURN )
+ {
+ wxTreeEvent event2(wxEVT_COMMAND_TREE_ITEM_ACTIVATED,
+ m_windowId);
+ event2.SetEventObject(this);
+
+ GetEventHandler()->ProcessEvent(event2);
+ }
break;
}
}
default:
- return wxControl::MSWNotify(wParam, lParam, result);
+ return wxControl::MSWOnNotify(idCtrl, lParam, result);
}
event.SetEventObject(this);
bool processed = GetEventHandler()->ProcessEvent(event);
// post processing
- if ( hdr->code == TVN_DELETEITEM )
+ switch ( hdr->code )
{
- // NB: we might process this message using wxWindows event tables, but
- // due to overhead of wxWin event system we prefer to do it here
- // (otherwise deleting a tree with many items is just too slow)
- NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam;
- wxTreeItemData *data = (wxTreeItemData *)tv->itemOld.lParam;
- delete data; // may be NULL, ok
- }
+ case TVN_DELETEITEM:
+ {
+ // NB: we might process this message using wxWindows event
+ // tables, but due to overhead of wxWin event system we
+ // prefer to do it here ourself (otherwise deleting a tree
+ // with many items is just too slow)
+ NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam;
+ wxTreeItemData *data = (wxTreeItemData *)tv->itemOld.lParam;
+ delete data; // may be NULL, ok
+
+ processed = TRUE; // Make sure we don't get called twice
+ }
+ break;
+
+ case TVN_BEGINLABELEDIT:
+ // return TRUE to cancel label editing
+ *result = !event.IsAllowed();
+ break;
- *result = !event.IsAllowed();
+ case TVN_ENDLABELEDIT:
+ // return TRUE to set the label to the new string
+ *result = event.IsAllowed();
+
+ // ensure that we don't have the text ctrl which is going to be
+ // deleted any more
+ DeleteTextCtrl();
+ break;
+
+ case TVN_SELCHANGING:
+ case TVN_ITEMEXPANDING:
+ // return TRUE to prevent the action from happening
+ *result = !event.IsAllowed();
+ break;
+
+ //default:
+ // for the other messages the return value is ignored and there is
+ // nothing special to do
+ }
return processed;
}
// Tree event
// ----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxCommandEvent)
+IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent)
wxTreeEvent::wxTreeEvent(wxEventType commandType, int id)
: wxNotifyEvent(commandType, id)
projects / wxWidgets.git / blobdiff