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78 lines
2.7 KiB
Forth
78 lines
2.7 KiB
Forth
\ Copyright (c) 2006-2015 Devin Teske <dteske@FreeBSD.org>
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\ All rights reserved.
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\
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\ Redistribution and use in source and binary forms, with or without
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\ modification, are permitted provided that the following conditions
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\ are met:
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\ 1. Redistributions of source code must retain the above copyright
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\ notice, this list of conditions and the following disclaimer.
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\ 2. Redistributions in binary form must reproduce the above copyright
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\ notice, this list of conditions and the following disclaimer in the
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\ documentation and/or other materials provided with the distribution.
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\
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\ THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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\ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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\ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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\ ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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\ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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\ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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\ OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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\ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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\ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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\ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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\ SUCH DAMAGE.
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\
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marker task-brand.4th
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variable brandX
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variable brandY
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\ Initialize brand placement to defaults
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2 brandX !
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1 brandY !
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\ This function draws any number of company brands at (loader_brand_x,
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\ loader_brand_y) if defined, or (2,1) (top-left). To choose your brand, set
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\ the variable `loader_brand' to the respective brand name.
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\
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\ NOTE: Each is defined as a brand function in /boot/brand-${loader_brand}.4th
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\ NOTE: If `/boot/brand-${loader_brand}.4th' does not exist or does not define
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\ a `brand' function, no brand is drawn.
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\
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: draw-brand ( -- ) \ at (loader_brand_x,loader_brand_y), else (2,1)
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s" loader_brand_x" getenv dup -1 <> if
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?number 1 = if brandX ! then
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else drop then
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s" loader_brand_y" getenv dup -1 <> if
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?number 1 = if brandY ! then
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else drop then
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\ If `brand' is defined, execute it
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s" brand" sfind ( -- xt|0 bool ) if
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brandX @ brandY @ rot execute
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else
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\ Not defined; try-include desired brand file
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drop ( xt = 0 ) \ cruft
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s" loader_brand" getenv dup -1 = over 0= or if
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dup 0= if 2drop else drop then \ getenv result unused
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s" try-include /boot/brand-fbsd.4th"
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else
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2drop ( c-addr/u -- ) \ getenv result unused
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s" try-include /boot/brand-${loader_brand}.4th"
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then
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evaluate
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1 spaces
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\ Execute `brand' if defined now
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s" brand" sfind if
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brandX @ brandY @ rot execute
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else drop then
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then
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;
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: draw-brand
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['] draw-brand console-iterate
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;
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