X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5a25f8581a6e11d4a7d61d40434a826a1a228d53..89424d9b35a32b6c450380d22dbb34268947644c:/src/msw/combobox.cpp

diff --git a/src/msw/combobox.cpp b/src/msw/combobox.cpp
index 9d8e4a542d..5faed26cb5 100644
--- a/src/msw/combobox.cpp
+++ b/src/msw/combobox.cpp
@@ -312,6 +312,18 @@ bool wxComboBox::MSWCommand(WXUINT param, WXWORD id)
 
     switch ( param )
     {
+        case CBN_DROPDOWN:
+            // remember the last selection, just as wxChoice does
+            m_lastAcceptedSelection = GetCurrentSelection();
+            if ( m_lastAcceptedSelection == -1 )
+            {
+                // but unlike with wxChoice we may have no selection but still
+                // have some text and we should avoid erasing it if the drop
+                // down is cancelled (see #8474)
+                m_lastAcceptedSelection = wxID_NONE;
+            }
+            break;
+
         case CBN_SELENDOK:
 #ifndef __SMARTPHONE__
             // we need to reset this to prevent the selection from being undone
@@ -343,6 +355,7 @@ bool wxComboBox::MSWCommand(WXUINT param, WXWORD id)
             // logical as the text does change)
 
         case CBN_EDITCHANGE:
+            if ( m_allowTextEvents )
             {
                 wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
 
@@ -364,7 +377,7 @@ bool wxComboBox::MSWCommand(WXUINT param, WXWORD id)
     }
 
     // skip wxChoice version as it would generate its own events for
-    // CBN_SELENDOK
+    // CBN_SELENDOK and also interfere with our handling of CBN_DROPDOWN
     return true;
 }