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comparison src/examples/example-label/main.c @ 320:8f9937403749

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misc: improve loading of data
author David Demelier <markand@malikania.fr>
date Fri, 01 Oct 2021 20:30:00 +0200
parents examples/example-label/main.c@d01e83210ca2
children
comparison
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319:b843eef4cc35 320:8f9937403749
1 /*
2 * example-label.c -- show how to use label and alignments
3 *
4 * Copyright (c) 2020-2021 David Demelier <markand@malikania.fr>
5 *
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include <stddef.h>
20
21 #include <core/core.h>
22 #include <core/event.h>
23 #include <core/game.h>
24 #include <core/painter.h>
25 #include <core/panic.h>
26 #include <core/state.h>
27 #include <core/sys.h>
28 #include <core/util.h>
29 #include <core/window.h>
30
31 #include <ui/align.h>
32 #include <ui/label.h>
33 #include <ui/theme.h>
34 #include <ui/ui.h>
35
36 #define W (1280)
37 #define H (720)
38
39 struct {
40 enum align align;
41 struct label label;
42 } table[] = {
43 {
44 .align = ALIGN_TOP_LEFT,
45 .label = {
46 .text = "Top left"
47 }
48 },
49 {
50 .align = ALIGN_TOP,
51 .label = {
52 .text = "Top",
53 }
54 },
55 {
56 .align = ALIGN_TOP_RIGHT,
57 .label = {
58 .text = "Top right",
59 }
60 },
61 {
62 .align = ALIGN_RIGHT,
63 .label = {
64 .text = "Right",
65 }
66 },
67 {
68 .align = ALIGN_BOTTOM_RIGHT,
69 .label = {
70 .text = "Bottom right",
71 }
72 },
73 {
74 .align = ALIGN_BOTTOM,
75 .label = {
76 .text = "Bottom",
77 }
78 },
79 {
80 .align = ALIGN_BOTTOM_LEFT,
81 .label = {
82 .text = "Bottom left",
83 }
84 },
85 {
86 .align = ALIGN_LEFT,
87 .label = {
88 .text = "Left",
89 }
90 },
91 {
92 .align = ALIGN_CENTER,
93 .label = {
94 .text = "The world is Malikania.",
95 .flags = LABEL_FLAGS_SHADOW
96 }
97 }
98 };
99
100 static struct label mlabel = {
101 .text = "This one follows your mouse and is not aligned."
102 };
103
104 static void
105 init(void)
106 {
107 if (core_init("fr.malikania", "label") < 0 || ui_init() < 0)
108 panic();
109 if (window_open("Example - Label", W, H) < 0)
110 panic();
111
112 for (size_t i = 0; i < UTIL_SIZE(table); ++i) {
113 struct label *l = &table[i].label;
114 unsigned int w, h;
115
116 label_query(l, &w, &h);
117 align(table[i].align, &l->x, &l->y, w, h, 0, 0, W, H);
118 }
119 }
120
121 static void
122 quit(void)
123 {
124 window_finish();
125 ui_finish();
126 core_finish();
127 }
128
129 static void
130 handle(struct state *st, const union event *ev)
131 {
132 (void)st;
133
134 switch (ev->type) {
135 case EVENT_MOUSE:
136 mlabel.x = ev->mouse.x;
137 mlabel.y = ev->mouse.y;
138 break;
139 case EVENT_QUIT:
140 game_quit();
141 break;
142 default:
143 break;
144 }
145 }
146
147 static void
148 draw(struct state *st)
149 {
150 (void)st;
151
152 painter_set_color(0x4f8fbaff);
153 painter_clear();
154
155 for (size_t i = 0; i < UTIL_SIZE(table); ++i)
156 label_draw(&table[i].label);
157
158 label_draw(&mlabel);
159 painter_present();
160 }
161
162 static void
163 run(void)
164 {
165 struct state state = {
166 .handle = handle,
167 .draw = draw
168 };
169
170 game_push(&state);
171 game_loop();
172 }
173
174 int
175 main(int argc, char **argv)
176 {
177 (void)argc;
178 (void)argv;
179
180 init();
181 run();
182 quit();
183 }