X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6c8a980fc412792e64256724e02e9d387ee38e21..2a31049201e9c1ff9f515eb9d144ae392f4b4e5a:/src/msw/choice.cpp

diff --git a/src/msw/choice.cpp b/src/msw/choice.cpp
index ee3e511515..a6144b1da2 100644
--- a/src/msw/choice.cpp
+++ b/src/msw/choice.cpp
@@ -32,13 +32,12 @@
     #include "wx/choice.h"
     #include "wx/utils.h"
     #include "wx/log.h"
+    #include "wx/settings.h"
 #endif
 
 #include "wx/msw/private.h"
 
-#if !USE_SHARED_LIBRARY
     IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
-#endif
 
 // ============================================================================
 // implementation
@@ -75,6 +74,10 @@ bool wxChoice::Create(wxWindow *parent,
     if ( !MSWCreateControl(wxT("COMBOBOX"), msStyle) )
         return FALSE;
 
+    // A choice/combobox normally has a white background (or other, depending
+    // on global settings) rather than inheriting the parent's background colour.
+    SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+
     for ( int i = 0; i < n; i++ )
     {
         Append(choices[i]);
@@ -85,6 +88,11 @@ bool wxChoice::Create(wxWindow *parent,
     return TRUE;
 }
 
+wxChoice::~wxChoice()
+{
+    Free();
+}
+
 // ----------------------------------------------------------------------------
 // adding/deleting items to/from the list
 // ----------------------------------------------------------------------------
@@ -113,6 +121,13 @@ void wxChoice::Delete(int n)
 }
 
 void wxChoice::Clear()
+{
+    Free();
+
+    SendMessage(GetHwnd(), CB_RESETCONTENT, 0, 0);
+}
+
+void wxChoice::Free()
 {
     if ( HasClientObjectData() )
     {
@@ -122,8 +137,6 @@ void wxChoice::Clear()
             delete GetClientObject(n);
         }
     }
-
-    SendMessage(GetHwnd(), CB_RESETCONTENT, 0, 0);
 }
 
 // ----------------------------------------------------------------------------
@@ -216,7 +229,7 @@ void* wxChoice::DoGetItemClientData( int n ) const
         wxLogLastError(wxT("CB_GETITEMDATA"));
 
         // unfortunately, there is no way to return an error code to the user
-	rc = (LPARAM) NULL;
+        rc = (LPARAM) NULL;
     }
 
     return (void *)rc;
@@ -248,7 +261,7 @@ void wxChoice::DoSetSize(int x, int y,
     wxControl::DoSetSize(x, y, width, -1, sizeFlags);
 }
 
-wxSize wxChoice::DoGetBestSize()
+wxSize wxChoice::DoGetBestSize() const
 {
     // find the widest string
     int wLine;
@@ -307,11 +320,19 @@ bool wxChoice::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
         return FALSE;
     }
 
-    wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, m_windowId);
-    event.SetInt(GetSelection());
-    event.SetEventObject(this);
-    event.SetString(GetStringSelection());
-    ProcessCommand(event);
+    int n = GetSelection();
+    if (n > -1)
+    {
+        wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, m_windowId);
+        event.SetInt(n);
+        event.SetEventObject(this);
+        event.SetString(GetStringSelection());
+        if ( HasClientObjectData() )
+            event.SetClientObject( GetClientObject(n) );
+        else if ( HasClientUntypedData() )
+            event.SetClientData( GetClientData(n) );
+        ProcessCommand(event);
+    }
 
     return TRUE;
 }