Tried to restore wxPopupTransientWindow functionality

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

diff --git a/src/msw/listctrl.cpp b/src/msw/listctrl.cpp
index 302d90a5eab13a2410a52ded4cbe283524f8d47a..25c10a29294737eb8ff3bafb2b0e5f5b9d29705b 100644 (file)
--- a/src/msw/listctrl.cpp
+++ b/src/msw/listctrl.cpp
@@ -121,7 +121,7 @@ public:
 
         // memcpy() can't work if the struct sizes are different
         wxCOMPILE_TIME_ASSERT( sizeof(LV_ITEM_OTHER) == sizeof(LV_ITEM_NATIVE),
-                                CodeCantWorkIfDiffSizes);
+                               CodeCantWorkIfDiffSizes);
 
         memcpy(&m_item, &item, sizeof(LV_ITEM_NATIVE));
 
@@ -480,6 +480,8 @@ void wxListCtrl::FreeAllInternalData()
         m_ignoreChangeMessages = false;
 
         m_AnyInternalData = false;
+
+        m_count = 0;
     }
 }
 
@@ -1230,7 +1232,7 @@ bool wxListCtrl::DeleteItem(long item)
         return false;
     }
 
-    m_count -= 1;
+    m_count--;
     wxASSERT_MSG( m_count == ListView_GetItemCount(GetHwnd()),
                   wxT("m_count should match ListView_GetItemCount"));
 
@@ -1426,23 +1428,38 @@ long wxListCtrl::HitTest(const wxPoint& point, int& flags)
     ListView_HitTest(GetHwnd(), & hitTestInfo);
 
     flags = 0;
+
     if ( hitTestInfo.flags & LVHT_ABOVE )
         flags |= wxLIST_HITTEST_ABOVE;
     if ( hitTestInfo.flags & LVHT_BELOW )
         flags |= wxLIST_HITTEST_BELOW;
-    if ( hitTestInfo.flags & LVHT_NOWHERE )
-        flags |= wxLIST_HITTEST_NOWHERE;
-    if ( hitTestInfo.flags & LVHT_ONITEMICON )
-        flags |= wxLIST_HITTEST_ONITEMICON;
-    if ( hitTestInfo.flags & LVHT_ONITEMLABEL )
-        flags |= wxLIST_HITTEST_ONITEMLABEL;
-    if ( hitTestInfo.flags & LVHT_ONITEMSTATEICON )
-        flags |= wxLIST_HITTEST_ONITEMSTATEICON;
     if ( hitTestInfo.flags & LVHT_TOLEFT )
         flags |= wxLIST_HITTEST_TOLEFT;
     if ( hitTestInfo.flags & LVHT_TORIGHT )
         flags |= wxLIST_HITTEST_TORIGHT;
 
+    if ( hitTestInfo.flags & LVHT_NOWHERE )
+        flags |= wxLIST_HITTEST_NOWHERE;
+
+    // note a bug or at least a very strange feature of comtl32.dll (tested
+    // with version 4.0 under Win95 and 6.0 under Win 2003): if you click to
+    // the right of the item label, ListView_HitTest() returns a combination of
+    // LVHT_ONITEMICON, LVHT_ONITEMLABEL and LVHT_ONITEMSTATEICON -- filter out
+    // the bits which don't make sense
+    if ( hitTestInfo.flags & LVHT_ONITEMLABEL )
+    {
+        flags |= wxLIST_HITTEST_ONITEMLABEL;
+
+        // do not translate LVHT_ONITEMICON here, as per above
+    }
+    else
+    {
+        if ( hitTestInfo.flags & LVHT_ONITEMICON )
+            flags |= wxLIST_HITTEST_ONITEMICON;
+        if ( hitTestInfo.flags & LVHT_ONITEMSTATEICON )
+            flags |= wxLIST_HITTEST_ONITEMSTATEICON;
+    }
+
     return (long) hitTestInfo.iItem;
 }
 
@@ -1801,7 +1818,8 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
         // ignored for efficiency.  It is done here because the internal data is in the
         // process of being deleted so we don't want to try and access it below.
         if ( m_ignoreChangeMessages &&
-             ( (nmLV->hdr.code == LVN_ITEMCHANGED) || (nmLV->hdr.code == LVN_ITEMCHANGING)))
+             ( (nmLV->hdr.code == LVN_ITEMCHANGED) ||
+               (nmLV->hdr.code == LVN_ITEMCHANGING)) )
         {
             return true;
         }
@@ -1902,7 +1920,6 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 break;
 
             case LVN_DELETEALLITEMS:
-                m_count = 0;
                 eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
                 event.m_itemIndex = -1;
                 break;