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comparison examples/example-label/main.c @ 209:23a844fdc911

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examples: move all into subdirectories, closes #2513
author David Demelier <markand@malikania.fr>
date Wed, 11 Nov 2020 17:10:40 +0100
parents examples/example-label.c@133926e08d6e
children 70e6ed74940d
comparison
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208:c0e0d4accae8 209:23a844fdc911
1 /*
2 * example-label.c -- show how to use label and alignments
3 *
4 * Copyright (c) 2020 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 <core/core.h>
20 #include <core/event.h>
21 #include <core/game.h>
22 #include <core/painter.h>
23 #include <core/panic.h>
24 #include <core/state.h>
25 #include <core/sys.h>
26 #include <core/util.h>
27 #include <core/window.h>
28
29 #include <ui/align.h>
30 #include <ui/label.h>
31 #include <ui/theme.h>
32 #include <ui/ui.h>
33
34 #define W (1280)
35 #define H (720)
36
37 struct {
38 enum align align;
39 struct label label;
40 } table[] = {
41 {
42 .align = ALIGN_TOP_LEFT,
43 .label = {
44 .text = "Top left"
45 }
46 },
47 {
48 .align = ALIGN_TOP,
49 .label = {
50 .text = "Top",
51 }
52 },
53 {
54 .align = ALIGN_TOP_RIGHT,
55 .label = {
56 .text = "Top right",
57 }
58 },
59 {
60 .align = ALIGN_RIGHT,
61 .label = {
62 .text = "Right",
63 }
64 },
65 {
66 .align = ALIGN_BOTTOM_RIGHT,
67 .label = {
68 .text = "Bottom right",
69 }
70 },
71 {
72 .align = ALIGN_BOTTOM,
73 .label = {
74 .text = "Bottom",
75 }
76 },
77 {
78 .align = ALIGN_BOTTOM_LEFT,
79 .label = {
80 .text = "Bottom left",
81 }
82 },
83 {
84 .align = ALIGN_LEFT,
85 .label = {
86 .text = "Left",
87 }
88 },
89 {
90 .align = ALIGN_CENTER,
91 .label = {
92 .text = "The world is Malikania.",
93 .flags = LABEL_FLAGS_SHADOW
94 }
95 }
96 };
97
98 static struct label mlabel = {
99 .text = "This one follows your mouse and is not aligned."
100 };
101
102 static void
103 init(void)
104 {
105 if (!core_init() || !ui_init())
106 panic();
107 if (!window_open("Example - Label", W, H))
108 panic();
109
110 for (size_t i = 0; i < NELEM(table); ++i) {
111 struct label *l = &table[i].label;
112 unsigned int w, h;
113
114 label_query(l, &w, &h);
115 align(table[i].align, &l->x, &l->y, w, h, 0, 0, W, H);
116 }
117 }
118
119 static void
120 quit(void)
121 {
122 window_finish();
123 ui_finish();
124 core_finish();
125 }
126
127 static void
128 handle(struct state *st, const union event *ev)
129 {
130 (void)st;
131
132 switch (ev->type) {
133 case EVENT_MOUSE:
134 mlabel.x = ev->mouse.x;
135 mlabel.y = ev->mouse.y;
136 break;
137 case EVENT_QUIT:
138 game_quit();
139 break;
140 default:
141 break;
142 }
143 }
144
145 static void
146 draw(struct state *st)
147 {
148 (void)st;
149
150 painter_set_color(0x4f8fbaff);
151 painter_clear();
152
153 for (size_t i = 0; i < NELEM(table); ++i)
154 label_draw(&table[i].label);
155
156 label_draw(&mlabel);
157 painter_present();
158 }
159
160 static void
161 run(void)
162 {
163 struct state state = {
164 .handle = handle,
165 .draw = draw
166 };
167
168 game_switch(&state, true);
169 game_loop();
170 }
171
172 int
173 main(int argc, char **argv)
174 {
175 (void)argc;
176 (void)argv;
177
178 init();
179 run();
180 quit();
181 }
182