added alpha channel support

[wxWidgets.git] / src / gtk1 / bmpbuttn.cpp

diff --git a/src/gtk1/bmpbuttn.cpp b/src/gtk1/bmpbuttn.cpp
index 8be33e83f7de06ef90ce59e4eab8892a1759f024..55b275d0bbd14640befda1a0dce737788130797f 100644 (file)
--- a/src/gtk1/bmpbuttn.cpp
+++ b/src/gtk1/bmpbuttn.cpp
@@ -137,10 +137,7 @@ bool wxBitmapButton::Create( wxWindow *parent,
         return FALSE;
     }
 
-    m_bmpNormal   =
-    m_bmpDisabled =
-    m_bmpFocus    =
-    m_bmpSelected = bitmap;
+    m_bmpNormal = bitmap;
 
     m_widget = gtk_button_new();
 
@@ -184,7 +181,6 @@ void wxBitmapButton::SetLabel( const wxString &label )
     wxCHECK_RET( m_widget != NULL, wxT("invalid button") );
 
     wxControl::SetLabel( label );
-    PostSetLabel();
 }
 
 wxString wxBitmapButton::GetLabel() const
@@ -206,6 +202,8 @@ void wxBitmapButton::OnSetBitmap()
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid bitmap button") );
 
+    InvalidateBestSize();
+    
     wxBitmap the_one;
     if (!m_isEnabled)
         the_one = m_bmpDisabled;
@@ -238,14 +236,30 @@ void wxBitmapButton::OnSetBitmap()
     if (child == NULL)
     {
         // initial bitmap
-        GtkWidget *pixmap = gtk_pixmap_new(the_one.GetPixmap(), mask);
+        GtkWidget *pixmap;
+#ifdef __WXGTK20__
+        if (the_one.HasPixbuf())
+            pixmap = gtk_image_new_from_pixbuf(the_one.GetPixbuf());
+        else
+            pixmap = gtk_image_new_from_pixmap(the_one.GetPixmap(), mask);
+#else
+        pixmap = gtk_pixmap_new(the_one.GetPixmap(), mask);
+#endif
         gtk_widget_show(pixmap);
         gtk_container_add(GTK_CONTAINER(m_widget), pixmap);
     }
     else
     {   // subsequent bitmaps
-        GtkPixmap *g_pixmap = GTK_PIXMAP(child);
-        gtk_pixmap_set(g_pixmap, the_one.GetPixmap(), mask);
+#ifdef __WXGTK20__
+        GtkImage *pixmap = GTK_IMAGE(child);
+        if (the_one.HasPixbuf())
+            gtk_image_set_from_pixbuf(pixmap, the_one.GetPixbuf());
+        else
+            gtk_image_set_from_pixmap(pixmap, the_one.GetPixmap(), mask);
+#else
+        GtkPixmap *pixmap = GTK_PIXMAP(child);
+        gtk_pixmap_set(pixmap, the_one.GetPixmap(), mask);
+#endif
     }
 }
 
@@ -259,6 +273,7 @@ wxSize wxBitmapButton::DoGetBestSize() const
         best.x = m_bmpNormal.GetWidth()+border;
         best.y = m_bmpNormal.GetHeight()+border;
     }
+    CacheBestSize(best);
     return best;
 }