1 files changed, 71 insertions, 0 deletions
diff --git a/libjava/gnu/awt/gtk/gtkcommon.h b/libjava/gnu/awt/gtk/gtkcommon.h
new file mode 100644
index 0000000..4e9c430
--- /dev/null
+++ b/libjava/gnu/awt/gtk/gtkcommon.h
@@ -0,0 +1,71 @@
+// -*- c++ -*-
+// gtkutils.h - Common defines and inline functions for the gtk AWT peers.
+
+/* Copyright (C) 2000  Free Software Foundation
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+
+#ifndef __GTKCOMMON_H__
+#define __GTKCOMMON_H__
+
+#include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+
+#include <java/awt/Color.h>
+
+// Convert AWT Color to gdk color value.
+static inline void 
+_Jv_ConvertAwtColor(java::awt::Color* awtcolor, GdkColor* gdkcolor)
+{
+  jint rgb = awtcolor->getRGB();
+  gushort r = (rgb >> 16) & 0xFF;
+  gushort g = (rgb >> 8) & 0xFF;
+  gushort b = rgb & 0xFF;
+  
+  gdkcolor->red = (r << 8) + r;
+  gdkcolor->green = (g << 8) + g;
+  gdkcolor->blue = (b << 8) + b;
+  
+  // FIXME: Deal with colormap? gdk_color_alloc()?
+}				    
+
+// Convert gdk color value to AWT Color.
+static inline java::awt::Color* 
+_Jv_ConvertGtkColor (GdkColor* gdkcolor)
+{
+  jint r = gdkcolor->red >> 8;
+  jint g = gdkcolor->green >> 8;
+  jint b = gdkcolor->blue >> 8;
+
+  java::awt::Color *c = new java::awt::Color(r,g,b);
+  
+  return c;
+}				    
+
+static inline void  
+_Jv_GdkScaleColor (GdkColor* oldc, GdkColor* newc, gfloat scale)
+{
+  // FIXME: Need to deal with overflows or find a better way
+  *newc = *oldc;
+  newc->red += (gushort) (newc->red * scale);
+  newc->green += (gushort) (newc->green * scale);
+  newc->blue += (gushort) (newc->blue * scale);
+}
+
+// Normally the X queue gets flushed automatically when gtk's event loop goes 
+// idle. However, some calls do not cause any activitity on the event loop,
+// so we need to occasionally flush pending requests manually because we arn't 
+// running from the gtk_main thread. Note that gdk_flush calls XSync(), which 
+// is more than what is needed here.
+static inline void
+_Jv_FlushRequests ()
+{
+  // FIXME: What about platforms that arn't X?
+  XFlush (GDK_DISPLAY ());
+}
+
+#endif /* __GTKUTILS_H__ */