reset m_selectionOld when the selection is programatically changed

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

diff --git a/src/msw/listctrl.cpp b/src/msw/listctrl.cpp
index 7c420ac16adf7c2782c42e9ca15d64f8ab3deee9..0d5621a969a2bb22e01cf19d518a4debe8158f77 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),
 
         // 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));
 
 
         memcpy(&m_item, &item, sizeof(LV_ITEM_NATIVE));
 


@@ -221,8 +221,10 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_END_LABEL_EDIT)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ITEM)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_END_LABEL_EDIT)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ITEM)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS)

+#if WXWIN_COMPATIBILITY_2_4

 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_GET_INFO)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_SET_INFO)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_GET_INFO)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_SET_INFO)

+#endif

 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_SELECTED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_DESELECTED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_KEY_DOWN)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_SELECTED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_DESELECTED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_KEY_DOWN)


@@ -478,6 +480,8 @@ void wxListCtrl::FreeAllInternalData()
         m_ignoreChangeMessages = false;
 
         m_AnyInternalData = false;
         m_ignoreChangeMessages = false;
 
         m_AnyInternalData = false;

+
+        m_count = 0;

     }
 }
 
     }
 }
 


@@ -938,7 +942,7 @@ void wxListCtrl::SetItemText(long item, const wxString& str)
 }
 
 // Gets the item data
 }
 
 // Gets the item data

-long wxListCtrl::GetItemData(long item) const
+wxUIntPtr wxListCtrl::GetItemData(long item) const

 {
     wxListItem info;
 
 {
     wxListItem info;
 


@@ -1260,7 +1264,6 @@ bool wxListCtrl::DeleteItem(long item)
 // Deletes all items
 bool wxListCtrl::DeleteAllItems()
 {
 // Deletes all items
 bool wxListCtrl::DeleteAllItems()
 {

-    FreeAllInternalData();

     return ListView_DeleteAllItems(GetHwnd()) != 0;
 }
 
     return ListView_DeleteAllItems(GetHwnd()) != 0;
 }
 


@@ -1376,7 +1379,7 @@ long wxListCtrl::FindItem(long start, const wxString& str, bool partial)
 // NOTE : Lindsay Mathieson - 14-July-2002
 //        No longer use ListView_FindItem as the data attribute is now stored
 //        in a wxListItemInternalData structure refernced by the actual lParam
 // NOTE : Lindsay Mathieson - 14-July-2002
 //        No longer use ListView_FindItem as the data attribute is now stored
 //        in a wxListItemInternalData structure refernced by the actual lParam

-long wxListCtrl::FindItem(long start, long data)
+long wxListCtrl::FindItem(long start, wxUIntPtr data)

 {
     long  idx = start + 1;
     long count = GetItemCount();
 {
     long  idx = start + 1;
     long count = GetItemCount();


@@ -1425,23 +1428,38 @@ long wxListCtrl::HitTest(const wxPoint& point, int& flags)
     ListView_HitTest(GetHwnd(), & hitTestInfo);
 
     flags = 0;
     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_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_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;
 }
 
     return (long) hitTestInfo.iItem;
 }
 


@@ -1901,7 +1919,6 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 break;
 
             case LVN_DELETEALLITEMS:
                 break;
 
             case LVN_DELETEALLITEMS:

-                m_count = 0;

                 eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
                 event.m_itemIndex = -1;
                 break;
                 eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
                 event.m_itemIndex = -1;
                 break;


@@ -1918,6 +1935,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 wxDeleteInternalData(this, iItem);
                 break;
 
                 wxDeleteInternalData(this, iItem);
                 break;
 

+#if WXWIN_COMPATIBILITY_2_4

             case LVN_SETDISPINFO:
                 {
                     eventType = wxEVT_COMMAND_LIST_SET_INFO;
             case LVN_SETDISPINFO:
                 {
                     eventType = wxEVT_COMMAND_LIST_SET_INFO;


@@ -1925,6 +1943,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                     wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
                 }
                 break;
                     wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
                 }
                 break;

+#endif

 
             case LVN_INSERTITEM:
                 eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
 
             case LVN_INSERTITEM:
                 eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;


@@ -2170,6 +2189,10 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             // notifications - this makes deleting all items from a list ctrl
             // much faster
             *result = TRUE;
             // notifications - this makes deleting all items from a list ctrl
             // much faster
             *result = TRUE;

+
+            // also, we may free all user data now (couldn't do it before as
+            // the user should have access to it in OnDeleteAllItems() handler)
+            FreeAllInternalData();

             return true;
 
         case LVN_ENDLABELEDITA:
             return true;
 
         case LVN_ENDLABELEDITA:


@@ -2369,9 +2392,9 @@ wxString wxListCtrl::OnGetItemText(long WXUNUSED(item), long WXUNUSED(col)) cons
 
 int wxListCtrl::OnGetItemImage(long WXUNUSED(item)) const
 {
 
 int wxListCtrl::OnGetItemImage(long WXUNUSED(item)) const
 {

-    // same as above
-    wxFAIL_MSG( _T("wxListCtrl::OnGetItemImage not supposed to be called") );
-
+    wxCHECK_MSG(!GetImageList(wxIMAGE_LIST_SMALL),
+                -1,
+                wxT("List control has an image list, OnGetItemImage should be overridden."));

     return -1;
 }
 
     return -1;
 }