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annotate libmlk-ui/mlk/ui/gridmenu.h @ 517:6e8f6640e05b

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misc: use extern C manually
author David Demelier <markand@malikania.fr>
date Sat, 04 Mar 2023 14:23:59 +0100
parents d49a05e7a5b5
children 2527b000aaa5
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1 /*
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2 * gridmenu.h -- GUI grid menu
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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_GRIDMENU_H
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20 #define MLK_UI_GRIDMENU_H
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21
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22 #include <stddef.h>
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23
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24 #include "label.h"
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25
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26 union mlk_event;
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27
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28 struct mlk_font;
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29 struct mlk_gridmenu;
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30
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31 struct mlk_gridmenu_style {
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32 unsigned int padding;
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33 unsigned long text_color;
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34 struct mlk_font *text_font;
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35 unsigned long selected_color;
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36 };
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37
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38 struct mlk_gridmenu_delegate {
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39 void *data;
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40 void (*update)(struct mlk_gridmenu_delegate *, struct mlk_gridmenu *, unsigned int);
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41 void (*draw)(struct mlk_gridmenu_delegate *, const struct mlk_gridmenu *);
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42 };
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43
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44 struct mlk_gridmenu {
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45 /* public */
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46 int x, y;
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47 unsigned int w, h;
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48 const char * const *items;
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49 size_t itemsz;
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50 size_t selected;
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51 unsigned int nrows;
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52 unsigned int ncols;
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53 struct mlk_gridmenu_style *style;
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54 struct mlk_gridmenu_delegate *delegate;
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55
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56 /* private */
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57 unsigned int eltw; /* maximum entry label width */
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58 unsigned int elth; /* maximum entry label height */
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59 unsigned int spacew; /* space between element horizontally */
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60 unsigned int spaceh; /* and vertically */
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61 };
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62
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63 extern struct mlk_gridmenu_style mlk_gridmenu_style;
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64 extern struct mlk_gridmenu_delegate mlk_gridmenu_delegate;
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65
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66 #if defined(__cplusplus)
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67 extern "C" {
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68 #endif
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69
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70 int
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71 mlk_gridmenu_ok(const struct mlk_gridmenu *);
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73 void
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74 mlk_gridmenu_resize(struct mlk_gridmenu *, int, int, unsigned int, unsigned int);
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76 int
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77 mlk_gridmenu_handle(struct mlk_gridmenu *, const union mlk_event *);
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79 void
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80 mlk_gridmenu_update(struct mlk_gridmenu *, unsigned int);
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82 void
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83 mlk_gridmenu_draw(const struct mlk_gridmenu *);
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84
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85 #if defined(__cplusplus)
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86 }
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87 #endif
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88
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89 #endif /* !MLK_UI_GRIDMENU_H */