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