Mercurial > molko
view libmlk-ui/mlk/ui/align.c @ 497:8d5a266a1774
ui: ui -> mlk_ui
author | David Demelier <markand@malikania.fr> |
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date | Tue, 28 Feb 2023 13:42:24 +0100 |
parents | f2d3c5a97884 |
children | d49a05e7a5b5 |
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/* * align.h -- user interface alignment * * Copyright (c) 2020-2023 David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "align.h" #define SET(p, v) if (p) *p = v #define CENTER(p, c, rs, es) if (p) (*p) = c + (rs / 2) - (es / 2) void mlk_align(enum mlk_align align, int *x, int *y, unsigned int w, unsigned int h, int px, int py, unsigned int pw, unsigned int ph) { switch (align) { case MLK_ALIGN_CENTER: CENTER(x, px, pw, w); CENTER(y, py, ph, h); break; case MLK_ALIGN_TOP_LEFT: SET(x, px); SET(y, py); break; case MLK_ALIGN_TOP: CENTER(x, px, pw, w); SET(y, py); break; case MLK_ALIGN_TOP_RIGHT: SET(x, px + pw - w); SET(y, py); break; case MLK_ALIGN_RIGHT: SET(x, px + pw - w); CENTER(y, py, ph, h); break; case MLK_ALIGN_BOTTOM_RIGHT: SET(x, px + pw - w); SET(y, py + ph - h); break; case MLK_ALIGN_BOTTOM: CENTER(x, px, pw, w); SET(y, py + ph - h); break; case MLK_ALIGN_BOTTOM_LEFT: SET(x, px); SET(y, py + ph - h); break; case MLK_ALIGN_LEFT: CENTER(y, py, ph, h); SET(x, px); break; default: break; } }