X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5615ab377070991b552e8e75c951970390a16b05..d80207c3445ece64793fc499818d4c7a3584e01f:/src/msw/listbox.cpp

diff --git a/src/msw/listbox.cpp b/src/msw/listbox.cpp
index 98d9b64dd4..e466ae97ee 100644
--- a/src/msw/listbox.cpp
+++ b/src/msw/listbox.cpp
@@ -100,7 +100,7 @@ wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE)
     SetMarginWidth(0);
 }
 
-wxOwnerDrawn *wxListBox::CreateItem(size_t n)
+wxOwnerDrawn *wxListBox::CreateItem(size_t WXUNUSED(n))
 {
     return new wxListBoxItem();
 }
@@ -157,6 +157,12 @@ bool wxListBox::Create(wxWindow *parent,
 
     DWORD wstyle = WS_VISIBLE | WS_VSCROLL | WS_TABSTOP |
                    LBS_NOTIFY | LBS_HASSTRINGS /* | WS_CLIPSIBLINGS */;
+
+    wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED),
+                  _T("only one of listbox selection modes can be specified") );
+    if ( m_windowStyle & wxCLIP_SIBLINGS )
+        wstyle |= WS_CLIPSIBLINGS;
+
     if (m_windowStyle & wxLB_MULTIPLE)
         wstyle |= LBS_MULTIPLESEL;
     else if (m_windowStyle & wxLB_EXTENDED)
@@ -657,7 +663,10 @@ wxSize wxListBox::DoGetBestSize() const
 
     wListbox += 3*cx;
 
-    int hListbox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)*(wxMax(m_noItems, 7));
+    // don't make the listbox too tall (limit height to 10 items) but don't
+    // make it too small neither
+    int hListbox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)*
+                    wxMin(wxMax(m_noItems, 3), 10);
 
     return wxSize(wListbox, hListbox);
 }
@@ -668,41 +677,43 @@ wxSize wxListBox::DoGetBestSize() const
 
 bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
 {
+    wxEventType evtType;
     if ( param == LBN_SELCHANGE )
     {
-        wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, m_windowId);
-        event.SetEventObject( this );
-
-        wxArrayInt aSelections;
-        int n, count = GetSelections(aSelections);
-        if ( count > 0 )
-        {
-            n = aSelections[0];
-            if ( HasClientObjectData() )
-                event.SetClientObject( GetClientObject(n) );
-            else if ( HasClientUntypedData() )
-                event.SetClientData( GetClientData(n) );
-            event.SetString( GetString(n) );
-        }
-        else
-        {
-            n = -1;
-        }
-
-        event.m_commandInt = n;
-
-        return GetEventHandler()->ProcessEvent(event);
+        evtType = wxEVT_COMMAND_LISTBOX_SELECTED;
     }
     else if ( param == LBN_DBLCLK )
     {
-        wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, m_windowId);
-        event.SetEventObject( this );
+        evtType = wxEVT_COMMAND_LISTBOX_DOUBLECLICKED;
+    }
+    else
+    {
+        // some event we're not interested in
+        return FALSE;
+    }
 
-        return GetEventHandler()->ProcessEvent(event);
+    wxCommandEvent event(evtType, m_windowId);
+    event.SetEventObject( this );
+
+    wxArrayInt aSelections;
+    int n, count = GetSelections(aSelections);
+    if ( count > 0 )
+    {
+        n = aSelections[0];
+        if ( HasClientObjectData() )
+            event.SetClientObject( GetClientObject(n) );
+        else if ( HasClientUntypedData() )
+            event.SetClientData( GetClientData(n) );
+        event.SetString( GetString(n) );
+    }
+    else
+    {
+        n = -1;
     }
-    //else:
 
-    return FALSE;
+    event.m_commandInt = n;
+
+    return GetEventHandler()->ProcessEvent(event);
 }
 
 // ----------------------------------------------------------------------------
@@ -765,14 +776,13 @@ bool wxListBox::MSWOnDraw(WXDRAWITEMSTRUCT *item)
 
     wxListBoxItem *pItem = (wxListBoxItem *)data;
 
-    wxDC dc;
-    dc.SetHDC((WXHDC)pStruct->hDC, FALSE);
+    wxDCTemp dc((WXHDC)pStruct->hDC);
     wxRect rect(wxPoint(pStruct->rcItem.left, pStruct->rcItem.top),
                 wxPoint(pStruct->rcItem.right, pStruct->rcItem.bottom));
 
     return pItem->OnDrawItem(dc, rect,
-            (wxOwnerDrawn::wxODAction)pStruct->itemAction,
-            (wxOwnerDrawn::wxODStatus)pStruct->itemState);
+                             (wxOwnerDrawn::wxODAction)pStruct->itemAction,
+                             (wxOwnerDrawn::wxODStatus)pStruct->itemState);
 }
 
 #endif