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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* e-colors.c - General color allocation utilities
* Copyright 2000, 2001, Ximian, Inc.
*
* Authors:
* Miguel de Icaza (miguel@kernel.org)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License, version 2, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
/* We keep our own color context, as the color allocation might take
* place before things are realized.
*/
#include <config.h>
#include <gtk/gtkwidget.h>
#include "e-colors.h"
GdkColor e_white, e_dark_gray, e_black;
gulong
e_color_alloc (gushort red, gushort green, gushort blue)
{
e_color_init ();
red >>= 8;
green >>= 8;
blue >>= 8;
return gdk_rgb_xpixel_from_rgb (
((red & 0xff) << 16) | ((green & 0xff) << 8) |
(blue & 0xff));
}
void
e_color_alloc_gdk (GtkWidget *widget, GdkColor *c)
{
GdkColormap *map;
e_color_init ();
if (widget)
map = gtk_widget_get_colormap (widget);
else /* FIXME: multi depth broken ? */
map = gtk_widget_get_default_colormap ();
gdk_rgb_find_color (map, c);
}
void
e_color_alloc_name (GtkWidget *widget, const char *name, GdkColor *c)
{
GdkColormap *map;
e_color_init ();
gdk_color_parse (name, c);
if (widget)
map = gtk_widget_get_colormap (widget);
else /* FIXME: multi depth broken ? */
map = gtk_widget_get_default_colormap ();
gdk_rgb_find_color (map, c);
}
void
e_color_init (void)
{
static gboolean e_color_inited = FALSE;
/* It's surprisingly easy to end up calling this twice. Survive. */
if (e_color_inited)
return;
e_color_inited = TRUE;
/* Allocate the default colors */
e_white.red = 65535;
e_white.green = 65535;
e_white.blue = 65535;
e_color_alloc_gdk (NULL, &e_white);
e_black.red = 0;
e_black.green = 0;
e_black.blue = 0;
e_color_alloc_gdk (NULL, &e_black);
e_color_alloc_name (NULL, "gray20", &e_dark_gray);
}
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