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

diff --git a/src/gtk/button.cpp b/src/gtk/button.cpp
index 0a6a838f90a42fb0f1f8728df4724ce2453ead60..88e29ac4f310bb3b297b8dbbb21c76d63e4feba9 100644 (file)
--- a/src/gtk/button.cpp
+++ b/src/gtk/button.cpp
@@ -253,6 +253,10 @@ void wxButton::SetLabel( const wxString &lbl )
         }
     }
 
+    // this call is necessary if the button had been initially created without
+    // a (text) label -- then we didn't use gtk_button_new_with_mnemonic() and
+    // so "use-underline" GtkButton property remained unset
+    gtk_button_set_use_underline(GTK_BUTTON(m_widget), TRUE);
     const wxString labelGTK = GTKConvertMnemonics(label);
     gtk_button_set_label(GTK_BUTTON(m_widget), wxGTK_CONV(labelGTK));
     gtk_button_set_use_stock(GTK_BUTTON(m_widget), FALSE);
@@ -262,17 +266,13 @@ void wxButton::SetLabel( const wxString &lbl )
 
 bool wxButton::Enable( bool enable )
 {
-    bool isEnabled = IsEnabled();
-
-    if ( !wxControl::Enable( enable ) )
+    if (!base_type::Enable(enable))
         return false;
 
     gtk_widget_set_sensitive(GTK_BIN(m_widget)->child, enable);
 
-    if (!isEnabled && enable)
-    {
+    if (enable)
         GTKFixSensitivity();
-    }
 
     GTKUpdateBitmap();
 
@@ -405,9 +405,15 @@ wxButton::State wxButton::GTKGetCurrentState() const
 
 void wxButton::GTKUpdateBitmap()
 {
-    State state = GTKGetCurrentState();
+    // if we don't show bitmaps at all, there is nothing to update
+    if ( m_bitmaps[State_Normal].IsOk() )
+    {
+        // if we do show them, this will return a state for which we do have a
+        // valid bitmap
+        State state = GTKGetCurrentState();
 
-    GTKDoShowBitmap(m_bitmaps[state]);
+        GTKDoShowBitmap(m_bitmaps[state]);
+    }
 }
 
 void wxButton::GTKDoShowBitmap(const wxBitmap& bitmap)
@@ -658,6 +664,7 @@ void wxButton::DoSetBitmapPosition(wxDirection dir)
         }
 
         gtk_button_set_image_position(GTK_BUTTON(m_widget), gtkpos);
+        InvalidateBestSize();
     }
 #endif // GTK+ 2.10+
 }