xref: /freebsd/stand/forth/brand.4th (revision 26a58599a09a6181e0f5abe624021865a0c23186)
1\ Copyright (c) 2006-2015 Devin Teske <dteske@FreeBSD.org>
2\ All rights reserved.
3\
4\ Redistribution and use in source and binary forms, with or without
5\ modification, are permitted provided that the following conditions
6\ are met:
7\ 1. Redistributions of source code must retain the above copyright
8\    notice, this list of conditions and the following disclaimer.
9\ 2. Redistributions in binary form must reproduce the above copyright
10\    notice, this list of conditions and the following disclaimer in the
11\    documentation and/or other materials provided with the distribution.
12\
13\ THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14\ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15\ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16\ ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17\ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18\ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19\ OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20\ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21\ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22\ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23\ SUCH DAMAGE.
24\
25
26marker task-brand.4th
27
28variable brandX
29variable brandY
30
31\ Initialize brand placement to defaults
322 brandX !
331 brandY !
34
35\ This function draws any number of company brands at (loader_brand_x,
36\ loader_brand_y) if defined, or (2,1) (top-left). To choose your brand, set
37\ the variable `loader_brand' to the respective brand name.
38\
39\ NOTE: Each is defined as a brand function in /boot/brand-${loader_brand}.4th
40\ NOTE: If `/boot/brand-${loader_brand}.4th' does not exist or does not define
41\       a `brand' function, no brand is drawn.
42\
43: draw-brand ( -- ) \ at (loader_brand_x,loader_brand_y), else (2,1)
44
45	s" loader_brand_x" getenv dup -1 <> if
46		?number 1 = if brandX ! then
47	else drop then
48 	s" loader_brand_y" getenv dup -1 <> if
49 		?number 1 = if brandY ! then
50 	else drop then
51
52	\ If `brand' is defined, execute it
53	s" brand" sfind ( -- xt|0 bool ) if
54		brandX @ brandY @ rot execute
55	else
56		\ Not defined; try-include desired brand file
57		drop ( xt = 0 ) \ cruft
58		s" loader_brand" getenv dup -1 = over 0= or if
59			dup 0= if 2drop else drop then \ getenv result unused
60			s" try-include /boot/brand-fbsd.4th"
61		else
62			2drop ( c-addr/u -- ) \ getenv result unused
63			s" try-include /boot/brand-${loader_brand}.4th"
64		then
65		evaluate
66		1 spaces
67
68		\ Execute `brand' if defined now
69		s" brand" sfind if
70			brandX @ brandY @ rot execute
71		else drop then
72	then
73;
74
75: draw-brand
76	['] draw-brand console-iterate
77;
78