X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0377efa2e9cd4d6622857ce2e418ce241c791cf6..66080691b195b1b338a21c8887323b2e073d6028:/src/msw/treectrl.cpp

diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index 84ec966cea..f42d35f685 100644
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -88,6 +88,7 @@
 // looks quite ugly.
 #define wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE 0
 
+
 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------
@@ -368,7 +369,7 @@ public:
             DoTraverse(root, recursively);
         }
 
-    virtual bool OnVisit(const wxTreeItemId& item)
+    virtual bool OnVisit(const wxTreeItemId& WXUNUSED(item))
     {
         m_count++;
 
@@ -448,7 +449,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl)
 // ----------------------------------------------------------------------------
 
 // handy table for sending events
-static const wxEventType g_events[2][2] =
+static wxEventType g_events[2][2] =
 {
     { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, wxEVT_COMMAND_TREE_ITEM_COLLAPSING },
     { wxEVT_COMMAND_TREE_ITEM_EXPANDED,  wxEVT_COMMAND_TREE_ITEM_EXPANDING  }
@@ -501,8 +502,15 @@ void wxTreeCtrl::Init()
     m_textCtrl = NULL;
     m_hasAnyAttr = FALSE;
     m_dragImage = NULL;
-
     m_htSelStart = 0;
+
+    // Initialize static array of events, because with the new event system,
+    // they may not be initialized yet.
+
+    g_events[0][0] = wxEVT_COMMAND_TREE_ITEM_COLLAPSED;
+    g_events[0][1] = wxEVT_COMMAND_TREE_ITEM_COLLAPSING;
+    g_events[1][0] = wxEVT_COMMAND_TREE_ITEM_EXPANDED;
+    g_events[1][1] = wxEVT_COMMAND_TREE_ITEM_EXPANDING;
 }
 
 bool wxTreeCtrl::Create(wxWindow *parent,
@@ -519,7 +527,10 @@ bool wxTreeCtrl::Create(wxWindow *parent,
         return FALSE;
 
     DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP |
-                   TVS_SHOWSELALWAYS /* | WS_CLIPSIBLINGS */;
+                   TVS_SHOWSELALWAYS;
+
+    if ( m_windowStyle & wxCLIP_SIBLINGS )
+        wstyle |= WS_CLIPSIBLINGS;
 
     if ((m_windowStyle & wxTR_NO_LINES) == 0)
         wstyle |= TVS_HASLINES;
@@ -642,7 +653,7 @@ wxTreeCtrl::~wxTreeCtrl()
 
     // delete user data to prevent memory leaks
     DeleteAllItems();
-    
+
     if (m_ownsImageListNormal) delete m_imageListNormal;
     if (m_ownsImageListState) delete m_imageListState;
 }
@@ -951,6 +962,12 @@ wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
 
 void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
 {
+    // first, associate this piece of data with this item
+    if ( data )
+    {
+        data->SetId(item);
+    }
+
     wxTreeViewItem tvItem(item, TVIF_PARAM);
 
     if ( HasIndirectData(item) )
@@ -1590,6 +1607,14 @@ void wxTreeCtrl::DeleteTextCtrl()
 {
     if ( m_textCtrl )
     {
+        // the HWND corresponding to this control is deleted by the tree
+        // control itself and we don't know when exactly this happens, so check
+        // if the window still exists before calling UnsubclassWin()
+        if ( !::IsWindow(GetHwndOf(m_textCtrl)) )
+        {
+            m_textCtrl->SetHWND(0);
+        }
+
         m_textCtrl->UnsubclassWin();
         m_textCtrl->SetHWND(0);
         delete m_textCtrl;
@@ -1621,7 +1646,7 @@ wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item,
 }
 
 // End label editing, optionally cancelling the edit
-void wxTreeCtrl::EndEditLabel(const wxTreeItemId& item, bool discardChanges)
+void wxTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item), bool discardChanges)
 {
     TreeView_EndEditLabelNow(GetHwnd(), discardChanges);
 
@@ -2202,7 +2227,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                         return TRUE;
                 }
             }
-            break;
+//            break;  // can never be reached
 #endif // _WIN32_IE >= 0x300
 
         case NM_DBLCLK:
@@ -2219,6 +2244,9 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                         eventType = (int)hdr->code == NM_DBLCLK
                                     ? wxEVT_COMMAND_TREE_ITEM_ACTIVATED
                                     : wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK;
+
+                        event.m_pointDrag.x = tvhti.pt.x;
+                        event.m_pointDrag.y = tvhti.pt.y;
                     }
 
                     break;
@@ -2298,8 +2326,12 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             break;
 
         case TVN_ENDLABELEDIT:
-            // return TRUE to set the label to the new string
+            // return TRUE to set the label to the new string: note that we
+            // also must pretend that we did process the message or it is going
+            // to be passed to DefWindowProc() which will happily return FALSE
+            // cancelling the label change
             *result = event.IsAllowed();
+            processed = TRUE;
 
             // ensure that we don't have the text ctrl which is going to be
             // deleted any more
@@ -2315,7 +2347,7 @@ 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;
@@ -2339,7 +2371,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                                           : wxTreeItemIcon_Selected
                         );
                 }
-            }
+			}
             break;
 
         //default: