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annotate libmlk-ui/mlk/ui/ui.c @ 609:d97674d33764

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ui: grid menu be more flexible
author David Demelier <markand@malikania.fr>
date Fri, 11 Aug 2023 18:01:28 +0200
parents ed1d3244ed57
children 281608524dd1
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1 /*
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2 * ui.c -- libui convenient header
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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 "sysconfig.h"
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20
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21 #include <assert.h>
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22 #include <stddef.h>
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23 #include <string.h>
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24
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25 #include <libintl.h>
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27 #include <mlk/core/err.h>
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28 #include <mlk/core/font.h>
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29 #include <mlk/core/texture.h>
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30 #include <mlk/core/trace.h>
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31 #include <mlk/core/util.h>
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32 #include <mlk/core/sys.h>
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33
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34 #include <assets/fonts/opensans-regular.h>
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36 #include "align.h"
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37 #include "ui.h"
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38 #include "ui_p.h"
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39
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40 /* Default font catalog. */
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41 #define FONT_DEF(b, s, i) \
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42 { \
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43 .data = b, \
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44 .datasz = sizeof (b), \
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45 .size = s, \
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46 .font = &mlk_ui_fonts[i] \
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47 }
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48
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49 static struct font_def {
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50 const unsigned char *data;
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51 const size_t datasz;
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52 unsigned int size;
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53 struct mlk_font *font;
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54 } fonts[MLK_UI_FONT_LAST] = {
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55 FONT_DEF(assets_fonts_opensans_regular, 14, MLK_UI_FONT_INTERFACE)
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56 };
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57
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58 struct mlk_font mlk_ui_fonts[MLK_UI_FONT_LAST] = {0};
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59
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60 int
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61 mlk_ui_init(void)
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62 {
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63 struct font_def *def;
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64
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65 /* Open all fonts and set the appropriate pointer address. */
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66 for (size_t i = 0; i < MLK_UTIL_SIZE(fonts); ++i) {
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67 def = &fonts[i];
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68
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69 if (mlk_font_openmem(def->font, def->data, def->datasz, def->size) < 0) {
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70 mlk_ui_finish();
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71 return -1;
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72 }
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73 }
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74
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75 #if defined(MLK_WITH_NLS)
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76 bindtextdomain("libmlk-ui", mlk_sys_dir(MLK_SYS_DIR_LOCALES));
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77 #endif
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78
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79 return 0;
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80 }
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81
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82 void
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83 mlk_ui_draw_text(enum mlk_align align,
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84 struct mlk_font *font,
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85 unsigned long color,
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86 const char *text,
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87 int px,
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88 int py,
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89 unsigned int pw,
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90 unsigned int ph)
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91 {
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92 assert(font);
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93 assert(text && strlen(text) > 0);
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94
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95 struct mlk_texture texture;
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96 int x, y;
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97
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98 if (mlk_font_render(font, &texture, text, color) < 0)
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99 mlk_tracef(_("unable to render text: %s"), mlk_err());
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100 else {
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101 mlk_align(align, &x, &y, texture.w, texture.h, px, py, pw, ph);
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102 mlk_texture_draw(&texture, x, y);
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103 mlk_texture_finish(&texture);
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104 }
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105 }
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106
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107 void
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108 mlk_ui_finish(void)
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109 {
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110 }