compilation fix

[wxWidgets.git] / src / gtk / choice.cpp

diff --git a/src/gtk/choice.cpp b/src/gtk/choice.cpp
index 0106c68dff70c630ee3f930e606785098ef8c54c..5d129bb5af84db890bc5e3db5ea9ddfb47da3182 100644 (file)
--- a/src/gtk/choice.cpp
+++ b/src/gtk/choice.cpp
@@ -114,14 +114,7 @@ bool wxChoice::Create( wxWindow *parent, wxWindowID id,
 
     SetFont( parent->GetFont() );
 
-    wxSize size_best( DoGetBestSize() );
-    wxSize new_size( size );
-    if (new_size.x == -1)
-        new_size.x = size_best.x;
-    if (new_size.y == -1)
-        new_size.y = size_best.y;
-    if ((new_size.x != size.x) || (new_size.y != size.y))
-        SetSize( new_size.x, new_size.y );
+    SetBestSize(size);
 
     SetBackgroundColour( parent->GetBackgroundColour() );
     SetForegroundColour( parent->GetForegroundColour() );
@@ -407,9 +400,43 @@ size_t wxChoice::GtkAppendHelper(GtkWidget *menu, const wxString& item)
 wxSize wxChoice::DoGetBestSize() const
 {
     wxSize ret( wxControl::DoGetBestSize() );
-    if (ret.x < 80) ret.x = 80;
+
+    // we know better our horizontal extent: it depends on the longest string
+    // we have
+    ret.x = 0;
+    if ( m_widget )
+    {
+        GdkFont *font = m_font.GetInternalFont();
+
+        wxCoord width;
+        size_t count = GetCount();
+        for ( size_t n = 0; n < count; n++ )
+        {
+            width = (wxCoord)gdk_string_width(font, GetString(n).mbc_str());
+            if ( width > ret.x )
+                ret.x = width;
+        }
+
+        // add extra for the choice "=" button
+
+        // VZ: I don't know how to get the right value, it seems to be in
+        //     GtkOptionMenuProps struct from gtkoptionmenu.c but we can't get
+        //     to it - maybe we can use gtk_option_menu_size_request() for this
+        //     somehow?
+        //
+        //     This default value works only for the default GTK+ theme (i.e.
+        //     no theme at all) (FIXME)
+        static const int widthChoiceIndicator = 35;
+        ret.x += widthChoiceIndicator;
+    }
+
+    // but not less than the minimal width
+    if ( ret.x < 80 )
+        ret.x = 80;
+
     ret.y = 16 + gdk_char_height( m_widget->style->font, 'H' );
     return ret;
 }
 
-#endif
+#endif // wxUSE_CHOICE
+