X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9c7df356f9cdbf99bf09f276d67f0fd65c4ca8ea..12447831a8ebc506f730cafac6f6ef13f243b7d2:/src/msw/treectrl.cpp

diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index ef5bc1d065..ffba0255fa 100644
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -891,6 +891,20 @@ void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text)
     wxTreeViewItem tvItem(item, TVIF_TEXT);
     tvItem.pszText = (wxChar *)text.c_str();  // conversion is ok
     DoSetItem(&tvItem);
+
+    // when setting the text of the item being edited, the text control should
+    // be updated to reflect the new text as well, otherwise calling
+    // SetItemText() in the OnBeginLabelEdit() handler doesn't have any effect
+    //
+    // don't use GetEditControl() here because m_textCtrl is not set yet
+    HWND hwndEdit = TreeView_GetEditControl(GetHwnd());
+    if ( hwndEdit )
+    {
+        if ( item == GetSelection() )
+        {
+            ::SetWindowText(hwndEdit, text);
+        }
+    }
 }
 
 int wxTreeCtrl::DoGetItemImageFromData(const wxTreeItemId& item,
@@ -1621,11 +1635,8 @@ void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag)
                   wxT("Unknown flag in wxTreeCtrl::DoExpand") );
 
     // A hidden root can be neither expanded nor collapsed.
-    if ( (HITEM(item) == TVI_ROOT) && (m_windowStyle & wxTR_HIDE_ROOT) )
-    {
-        // No action will be taken.
-        return;
-    }
+    wxCHECK_RET( !(m_windowStyle & wxTR_HIDE_ROOT) || (HITEM(item) != TVI_ROOT),
+                 wxT("Can't expand/collapse hidden root node!") )
 
     // TreeView_Expand doesn't send TVN_ITEMEXPAND(ING) messages, so we must
     // emulate them. This behaviour has changed slightly with comctl32.dll
@@ -1764,26 +1775,8 @@ void wxTreeCtrl::ScrollTo(const wxTreeItemId& item)
     }
 }
 
-wxTextCtrl* wxTreeCtrl::GetEditControl() const
+wxTextCtrl *wxTreeCtrl::GetEditControl() const
 {
-    // normally, we could try to do something like this to return something
-    // even when the editing was started by the user and not by calling
-    // EditLabel() - but as nobody has asked for this so far and there might be
-    // problems in the code below, I leave it disabled for now (VZ)
-#if 0
-    if ( !m_textCtrl )
-    {
-        HWND hwndText = TreeView_GetEditControl(GetHwnd());
-        if ( hwndText )
-        {
-            m_textCtrl = new wxTextCtrl(this, -1);
-            m_textCtrl->Hide();
-            m_textCtrl->SetHWND((WXHWND)hwndText);
-        }
-        //else: not editing label right now
-    }
-#endif // 0
-
     return m_textCtrl;
 }
 
@@ -1813,20 +1806,19 @@ wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item,
 
     DeleteTextCtrl();
 
+    m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject();
     HWND hWnd = (HWND) TreeView_EditLabel(GetHwnd(), HITEM(item));
 
     // this is not an error - the TVN_BEGINLABELEDIT handler might have
     // returned FALSE
     if ( !hWnd )
     {
+        delete m_textCtrl;
+        m_textCtrl = NULL;
         return NULL;
     }
 
-    m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject();
-    m_textCtrl->SetParent(this);
-    m_textCtrl->SetHWND((WXHWND)hWnd);
-    m_textCtrl->SubclassWin((WXHWND)hWnd);
-
+    // textctrl is subclassed in MSWOnNotify
     return m_textCtrl;
 }
 
@@ -2528,6 +2520,32 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
         case TVN_BEGINLABELEDIT:
             // return TRUE to cancel label editing
             *result = !event.IsAllowed();
+            // set ES_WANTRETURN ( like we do in BeginLabelEdit )
+            if(event.IsAllowed())
+            {
+                HWND hText = TreeView_GetEditControl(GetHwnd());
+                if(hText != NULL)
+                {
+                    // MBN: if m_textCtrl already has an HWND, it is a stale 
+                    // pointer from a previous edit (because the user
+                    // didn't modify the label before dismissing the control,
+                    // and TVN_ENDLABELEDIT was not sent), so delete it
+                    if(m_textCtrl && m_textCtrl->GetHWND() != 0)
+                        DeleteTextCtrl();
+                    if(!m_textCtrl)
+                        m_textCtrl = new wxTextCtrl();
+                    m_textCtrl->SetParent(this);
+                    m_textCtrl->SetHWND((WXHWND)hText);
+                    m_textCtrl->SubclassWin((WXHWND)hText);
+
+                    // set wxTE_PROCESS_ENTER style for the text control to
+                    // force it to process the Enter presses itself, otherwise
+                    // they could be stolen from it by the dialog
+                    // navigation code
+                    m_textCtrl->SetWindowStyle(m_textCtrl->GetWindowStyle()
+                                               | wxTE_PROCESS_ENTER);
+                }
+            }
             break;
 
         case TVN_ENDLABELEDIT:
@@ -2554,16 +2572,13 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             // an image depending on the expanded/collapsed state - bug in
             // comctl32.dll or our code?
             {
-                NM_TREEVIEW* tv = (NM_TREEVIEW*)lParam;
-                if ( tv->action == TVE_EXPAND )
-                {
-                    wxTreeItemId id = (WXHTREEITEM)tv->itemNew.hItem;
+                NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam;
+                wxTreeItemId id = (WXHTREEITEM)tv->itemNew.hItem;
 
-                    int image = GetItemImage(id, wxTreeItemIcon_Expanded);
-                    if ( image != -1 )
-                    {
-                        RefreshItem(id);
-                    }
+                int image = GetItemImage(id, wxTreeItemIcon_Expanded);
+                if ( image != -1 )
+                {
+                    RefreshItem(id);
                 }
             }
             break;
@@ -2571,7 +2586,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
         case TVN_GETDISPINFO:
             // NB: so far the user can't set the image himself anyhow, so do it
             //     anyway - but this may change later
-//          if ( /* !processed && */ 1 )
+            //if ( /* !processed && */ 1 )
             {
                 wxTreeItemId item = event.m_item;
                 TV_DISPINFO *info = (TV_DISPINFO *)lParam;