always return length of the string, *not* size of the buffer from wxMBConv_win32...

[wxWidgets.git] / src / msw / treectrl.cpp

diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index ae62dd3d88d64ff4ca619f6ce20aa199602a068b..f0f9fa1725a0b92178f90f578ebbb5c7406565e0 100644 (file)
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -489,14 +489,14 @@ wxBEGIN_FLAGS( wxTreeCtrlStyle )
     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
     wxFLAGS_MEMBER(wxRAISED_BORDER)
     wxFLAGS_MEMBER(wxSTATIC_BORDER)
     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
     wxFLAGS_MEMBER(wxRAISED_BORDER)
     wxFLAGS_MEMBER(wxSTATIC_BORDER)

-    wxFLAGS_MEMBER(wxNO_BORDER)
+    wxFLAGS_MEMBER(wxBORDER)

 
     // standard window styles
     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
     wxFLAGS_MEMBER(wxWANTS_CHARS)
 
     // standard window styles
     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
     wxFLAGS_MEMBER(wxWANTS_CHARS)

-    wxFLAGS_MEMBER(wxNO_FULL_REPAINT_ON_RESIZE)
+    wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)

     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
     wxFLAGS_MEMBER(wxVSCROLL)
     wxFLAGS_MEMBER(wxHSCROLL)
     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
     wxFLAGS_MEMBER(wxVSCROLL)
     wxFLAGS_MEMBER(wxHSCROLL)


@@ -1336,8 +1336,18 @@ bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const
     // the HTREEITEM with TVM_GETITEMRECT
     *(HTREEITEM *)&rect = HITEM(item);
 
     // the HTREEITEM with TVM_GETITEMRECT
     *(HTREEITEM *)&rect = HITEM(item);
 

-    // false means get item rect for the whole item, not only text
-    return SendMessage(GetHwnd(), TVM_GETITEMRECT, false, (LPARAM)&rect) != 0;
+    // true means to get rect for just the text, not the whole line
+    if ( !::SendMessage(GetHwnd(), TVM_GETITEMRECT, true, (LPARAM)&rect) )
+    {
+        // if TVM_GETITEMRECT returned false, then the item is definitely not
+        // visible (because its parent is not expanded)
+        return false;
+    }
+
+    // however if it returned true, the item might still be outside the
+    // currently visible part of the tree, test for it (notice that partly
+    // visible means visible here)
+    return rect.bottom > 0 && rect.top < GetClientSize().y;

 }
 
 bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const
 }
 
 bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const


@@ -2124,10 +2134,10 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
         switch ( nMsg )
         {
             case WM_RBUTTONDOWN:
         switch ( nMsg )
         {
             case WM_RBUTTONDOWN:

-                // if the item we are about to right click on
-                // is not already select, remove the entire
-                // previous selection
-                if (!::IsItemSelected(GetHwnd(), htItem))
+                // if the item we are about to right click on is not already
+                // selected or if we click outside of any item, remove the
+                // entire previous selection
+                if ( !htItem || !::IsItemSelected(GetHwnd(), htItem) )

                 {
                     UnselectAll();
                 }
                 {
                     UnselectAll();
                 }