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annotate libui/ui/checkbox.c @ 235:fb304a94a05c

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rpg: prepare equipment
author David Demelier <markand@malikania.fr>
date Thu, 26 Nov 2020 18:00:45 +0100
parents d51d9c0c2186
children
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1 /*
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2 * checkbox.c -- GUI checkbox
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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 <assert.h>
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20 #include <string.h>
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21
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22 #include <core/action.h>
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23 #include <core/event.h>
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24 #include <core/maths.h>
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25 #include <core/painter.h>
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26
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27 #include "label.h"
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28 #include "checkbox.h"
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29 #include "theme.h"
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30
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31 static bool
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32 is_boxed(const struct checkbox *cb, const struct event_click *click)
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33 {
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34 assert(cb);
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35 assert(click && click->type == EVENT_CLICKDOWN);
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36
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37 return maths_is_boxed(cb->x, cb->y, cb->w, cb->h, click->x, click->y);
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38 }
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39
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40 static void
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41 handle(struct action *act, const union event *ev)
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42 {
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43 checkbox_handle(act->data, ev);
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44 }
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45
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46 static void
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47 draw(struct action *act)
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48 {
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49 checkbox_draw(act->data);
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50 }
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51
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52 void
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53 checkbox_draw_default(const struct theme *t, const struct checkbox *cb)
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54 {
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55 (void)t;
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56
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57 assert(cb);
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58
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59 painter_set_color(0x151d28ff);
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60 painter_draw_rectangle(cb->x, cb->y, cb->w, cb->h);
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61 painter_set_color(0xd7b594ff);
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62 painter_draw_rectangle(cb->x + 1, cb->y + 1, cb->w - 2, cb->h - 2);
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63
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64 if (cb->checked) {
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65 painter_set_color(0x341c27ff);
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66 painter_draw_rectangle(cb->x + 5, cb->y + 5, cb->w - 10, cb->h - 10);
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67 }
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68 }
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69
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70 void
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71 checkbox_handle(struct checkbox *cb, const union event *ev)
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72 {
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73 assert(cb);
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74 assert(ev);
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75
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76 switch (ev->type) {
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77 case EVENT_CLICKDOWN:
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78 if (is_boxed(cb, &ev->click))
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79 cb->checked = !cb->checked;
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80 break;
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81 default:
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82 break;
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83 }
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84 }
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85
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86 void
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87 checkbox_draw(const struct checkbox *cb)
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88 {
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89 theme_draw_checkbox(cb->theme, cb);
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90 }
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91
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92 void
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93 checkbox_action(struct checkbox *cb, struct action *act)
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94 {
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95 assert(cb);
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96 assert(act);
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97
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98 memset(act, 0, sizeof (*act));
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99 act->data = cb;
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100 act->handle = handle;
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101 act->draw = draw;
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102 }