Mercurial > molko
annotate examples/example-ui/button-glower.c @ 646:7e1eb7f6c049 default tip @
misc: remove .clang
author | David Demelier <markand@malikania.fr> |
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date | Sun, 04 Feb 2024 15:24:37 +0100 |
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1 /* |
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2 * button-style-glow.c -- example of glowing button |
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3 * |
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4 * Copyright (c) 2020-2023 David Demelier <markand@malikania.fr> |
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5 * |
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6 * Permission to use, copy, modify, and/or distribute this software for any |
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7 * purpose with or without fee is hereby granted, provided that the above |
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8 * copyright notice and this permission notice appear in all copies. |
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9 * |
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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17 */ |
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18 |
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19 #include <assert.h> |
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20 |
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21 #include "button-glower.h" |
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22 |
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23 static void |
618 | 24 update(struct mlk_button_style *self, struct mlk_button *button, unsigned int ticks) |
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25 { |
618 | 26 struct button_glower *glower = self->data; |
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27 |
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28 /* Don't update if pressed. */ |
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29 if (!button->pressed) { |
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30 mlk_glower_update(&glower->glower, ticks); |
618 | 31 glower->style.background = glower->glower.color; |
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32 } |
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33 } |
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34 |
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35 void |
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36 button_glower_init(struct button_glower *glower, struct mlk_button *button) |
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37 { |
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38 assert(glower); |
618 | 39 assert(button); |
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40 |
618 | 41 glower->style.background = glower->glower.start; |
42 glower->style.data = glower; | |
43 glower->style.update = update; | |
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44 |
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45 button->style = &glower->style; |
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46 |
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47 mlk_glower_init(&glower->glower); |
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48 } |