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annotate libmlk-ui/mlk/ui/ui_p.h @ 572:f7dcad94b7cf

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util: add Windows support in dir
author David Demelier <markand@malikania.fr>
date Thu, 09 Mar 2023 23:07:31 +0100
parents daf085bf8a8c
children c027304ced27
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1 /*
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2 * ui_p.h -- private helpers for libmlk-ui
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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 #ifndef MLK_UI_P_H
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20 #define MLK_UI_P_H
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21
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22 #define MLK__DELEGATE_INVOKE(d, def, f, ...) \
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23 do { \
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24 if (d && d->f) \
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25 d->f(d, __VA_ARGS__); \
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26 else if (def.f) \
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27 def.f(&def, __VA_ARGS__); \
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28 } while (0)
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29
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30 #define MLK__DELEGATE_INVOKE_RET(d, def, f, ...) \
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31 do { \
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32 if (d && d->f) \
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33 return d->f(d, __VA_ARGS__); \
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34 if (def.f) \
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35 return def.f(&def, __VA_ARGS__); \
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36 } while (0)
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37
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38 #define MLK__STYLE(w, d) \
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39 (w->style ? w->style : &d)
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40
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41 #endif /* !MLK_UI_P_H */