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annotate examples/example-gridmenu.c @ 193:78774cc2cc6b

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doc: minimal typo
author David Demelier <markand@malikania.fr>
date Sat, 07 Nov 2020 19:26:51 +0100
parents 4ad7420ab678
children 133926e08d6e
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1 /*
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2 * example-gridmenu.c -- show how to use grid menu
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3 *
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4 * Copyright (c) 2020 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 <core/clock.h>
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20 #include <core/core.h>
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21 #include <core/event.h>
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22 #include <core/painter.h>
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23 #include <core/panic.h>
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24 #include <core/sys.h>
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25 #include <core/trace.h>
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26 #include <core/util.h>
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27 #include <core/window.h>
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28
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29 #include <ui/align.h>
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30 #include <ui/gridmenu.h>
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31 #include <ui/label.h>
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32 #include <ui/theme.h>
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33 #include <ui/ui.h>
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34
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35 #define W (1280)
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36 #define H (720)
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37
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38 static void
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39 init(void)
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40 {
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41 if (!core_init() || !ui_init())
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42 panic();
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43 if (!window_open("Example - Grid menu", W, H))
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44 panic();
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45 }
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46
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47 static void
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48 quit(void)
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49 {
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50 window_finish();
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51 ui_finish();
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52 core_finish();
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53 }
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54
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55 static void
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56 run(void)
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57 {
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58 struct clock clock = {0};
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59 struct gridmenu menu = {
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60 .menu = {
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61 "Feu mineur",
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62 "Feu majeur",
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63 "Feu septième",
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64 "Glace mineure",
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65 "Glace majeure",
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66 "Glace septième",
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67 "Foudre mineure",
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68 "Foudre majeure",
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69 "Foudre septième",
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70 "Choc mineur",
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71 "Choc majeur",
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72 "Choc septième",
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73 },
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74 .w = 300,
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75 .h = 100,
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76 .nrows = 3,
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77 .ncols = 2
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78 };
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79
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80 clock_start(&clock);
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81 align(ALIGN_CENTER, &menu.x, &menu.y, menu.w, menu.h, 0, 0, W, H);
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82
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83 /* Need to repaint at least once. */
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84 gridmenu_repaint(&menu);
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85
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86 for (;;) {
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87 union event ev;
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88 unsigned int elapsed = clock_elapsed(&clock);
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89
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90 clock_start(&clock);
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91
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92 while (event_poll(&ev)) {
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93 switch (ev.type) {
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94 case EVENT_QUIT:
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95 return;
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96 default:
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97 gridmenu_handle(&menu, &ev);
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98 break;
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99 }
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100 }
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101
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102 if (menu.state == GRIDMENU_STATE_ACTIVATED) {
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103 tracef("selected index: %u", (unsigned int)menu.selected);
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104 gridmenu_reset(&menu);
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105 }
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106
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107 painter_set_color(0x4f8fbaff);
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108 painter_clear();
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109 gridmenu_draw(&menu);
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110 painter_present();
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111
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112 if ((elapsed = clock_elapsed(&clock)) < 20)
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113 delay(20 - elapsed);
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114 }
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115 }
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116
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117 int
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118 main(int argc, char **argv)
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119 {
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120 (void)argc;
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121 (void)argv;
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122
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123 init();
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124 run();
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125 quit();
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126 }