Simplified code and applied [ 1867939 ] fixes for wxTreeCtrl crashes when exiting from label editing

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@51149 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/treectlg.cpp

@@ -92,29 +92,8 @@ class WXDLLEXPORT wxTreeTextCtrl: public wxTextCtrl
 public:
     wxTreeTextCtrl(wxGenericTreeCtrl *owner, wxGenericTreeItem *item);
 
-    void EndEdit(bool discardChanges = false)
+    void EndEdit(bool discardChanges = false);
-    {
-        if ( discardChanges )
-        {
-            StopEditing();
-        }
-        else
-        {
-            m_aboutToFinish = true;
     
-            // Notify the owner about the changes
-            AcceptChanges();
-
-            // Even if vetoed, close the control (consistent with MSW)
-            Finish();
-        }
-    }
-
-    void StopEditing()
-    {
-        Finish();
-        m_owner->OnRenameCancelled(m_itemEdited);
-    }
     const wxGenericTreeItem* item() const { return m_itemEdited; }
 
 protected:
@@ -123,13 +102,12 @@ protected:
     void OnKillFocus( wxFocusEvent &event );
 
     bool AcceptChanges();
-    void Finish();
+    void Finish( bool setfocus = true );
 
 private:
     wxGenericTreeCtrl  *m_owner;
     wxGenericTreeItem  *m_itemEdited;
     wxString            m_startValue;
-    bool                m_finished;
     bool                m_aboutToFinish;
 
     DECLARE_EVENT_TABLE()
@@ -363,7 +341,6 @@ wxTreeTextCtrl::wxTreeTextCtrl(wxGenericTreeCtrl *owner,
               : m_itemEdited(item), m_startValue(item->GetText())
 {
     m_owner = owner;
-    m_finished = false;
     m_aboutToFinish = false;
 
     int w = m_itemEdited->GetWidth(),
@@ -407,6 +384,26 @@ wxTreeTextCtrl::wxTreeTextCtrl(wxGenericTreeCtrl *owner,
                  wxPoint(x - 4, y - 4), wxSize(w + 11, h + 8));
 }
 
+void wxTreeTextCtrl::EndEdit(bool discardChanges)
+{
+    m_aboutToFinish = true;
+    
+    if ( discardChanges )
+    {
+        m_owner->OnRenameCancelled(m_itemEdited);
+           
+        Finish();
+    }
+    else
+    {
+        // Notify the owner about the changes
+        AcceptChanges();
+
+        // Even if vetoed, close the control (consistent with MSW)
+        Finish();
+    }
+}
+
 bool wxTreeTextCtrl::AcceptChanges()
 {
     const wxString value = GetValue();
@@ -435,30 +432,26 @@ bool wxTreeTextCtrl::AcceptChanges()
     return true;
 }
 
-void wxTreeTextCtrl::Finish()
+void wxTreeTextCtrl::Finish( bool setfocus )
-{
-    if ( !m_finished  )
 {
     m_owner->ResetTextControl();
 
     wxPendingDelete.Append(this);
 
-        m_finished = true;
+    if (setfocus)
-
         m_owner->SetFocus();
 }
-}
 
 void wxTreeTextCtrl::OnChar( wxKeyEvent &event )
 {
     switch ( event.m_keyCode )
     {
         case WXK_RETURN:
-            EndEdit();
+            EndEdit( false );
             break;
 
         case WXK_ESCAPE:
-            StopEditing();
+            EndEdit( true );
             break;
 
         default:
@@ -468,7 +461,7 @@ void wxTreeTextCtrl::OnChar( wxKeyEvent &event )
 
 void wxTreeTextCtrl::OnKeyUp( wxKeyEvent &event )
 {
-    if ( !m_finished )
+    if ( !m_aboutToFinish )
     {
         // auto-grow the textctrl:
         wxSize parentSize = m_owner->GetSize();
@@ -488,18 +481,15 @@ void wxTreeTextCtrl::OnKeyUp( wxKeyEvent &event )
 
 void wxTreeTextCtrl::OnKillFocus( wxFocusEvent &event )
 {
-    if ( !m_finished && !m_aboutToFinish )
+    if ( !m_aboutToFinish )
     {
-        // We must finish regardless of success, otherwise we'll get
-        // focus problems:
-        Finish();
-
         if ( !AcceptChanges() )
             m_owner->OnRenameCancelled( m_itemEdited );
+            
+        Finish( false );
     }
 
-    // We must let the native text control handle focus, too, otherwise
+    // We should let the native text control handle focus, too.
-    // it could have problems with the cursor (e.g., in wxGTK).
     event.Skip();
 }
 
@@ -1523,7 +1513,7 @@ void wxGenericTreeCtrl::SendDeleteEvent(wxGenericTreeItem *item)
 void wxGenericTreeCtrl::ChildrenClosing(wxGenericTreeItem* item)
 {
     if (m_textCtrl != NULL && item != m_textCtrl->item() && IsDescendantOf(item, m_textCtrl->item())) {
-        m_textCtrl->StopEditing();
+        m_textCtrl->EndEdit( true );
     }
     if (item != m_key_current && IsDescendantOf(item, m_key_current)) {
         m_key_current = NULL;
@@ -1557,7 +1547,7 @@ void wxGenericTreeCtrl::Delete(const wxTreeItemId& itemId)
     if (m_textCtrl != NULL && IsDescendantOf(item, m_textCtrl->item()))
     {
         // can't delete the item being edited, cancel editing it first
-        m_textCtrl->StopEditing();
+        m_textCtrl->EndEdit( true );
     }
 
     wxGenericTreeItem *parent = item->GetParent();