Mercurial > molko

annotate libmlk-core/mlk/core/window.c @ 545:27303e9402de

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
core: introduce mlk_alloc_expand
author David Demelier <markand@malikania.fr>
date Sun, 05 Mar 2023 22:14:02 +0100
parents 3ff1fe64d0cd
children c7664b679a95
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
1 /*
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
2 * window.c -- basic window management
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
3 *
445
773a082f0b91 misc: update copyright years
David Demelier <markand@malikania.fr>
parents: 437
diff changeset
4 * Copyright (c) 2020-2023 David Demelier <markand@malikania.fr>
0
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
5 *
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
6 * Permission to use, copy, modify, and/or distribute this software for any
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
7 * purpose with or without fee is hereby granted, provided that the above
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
8 * copyright notice and this permission notice appear in all copies.
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
9 *
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
17 */
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
18
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
19 #include <assert.h>
156
c3a40062acc2 misc: create more generic startup function, closes #2500
David Demelier <markand@malikania.fr>
parents: 121
diff changeset
20 #include <string.h>
0
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
21
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
22 #include <SDL.h>
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
23
430
1645433e008d core: rename ERR_INTERNAL to ERR_SDL
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
24 #include "err.h"
163
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
25 #include "util.h"
0
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
26 #include "window.h"
2
832c20d6cce9 core: make window singleton for convenience (textures)
David Demelier <markand@malikania.fr>
parents: 1
diff changeset
27 #include "window_p.h"
0
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
28
485
3ff1fe64d0cd core: window -> mlk_window
David Demelier <markand@malikania.fr>
parents: 474
diff changeset
29 static struct mlk__window_handle handle = {
2
832c20d6cce9 core: make window singleton for convenience (textures)
David Demelier <markand@malikania.fr>
parents: 1
diff changeset
30 .win = NULL,
832c20d6cce9 core: make window singleton for convenience (textures)
David Demelier <markand@malikania.fr>
parents: 1
diff changeset
31 .renderer = NULL
0
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
32 };
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
33
485
3ff1fe64d0cd core: window -> mlk_window
David Demelier <markand@malikania.fr>
parents: 474
diff changeset
34 static SDL_Cursor *cursors[MLK_WINDOW_CURSOR_LAST];
163
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
35
485
3ff1fe64d0cd core: window -> mlk_window
David Demelier <markand@malikania.fr>
parents: 474
diff changeset
36 struct mlk_window mlk_window = {
97
58133933ea17 window: expose some data to avoid functions
David Demelier <markand@malikania.fr>
parents: 59
diff changeset
37 .handle = &handle
58133933ea17 window: expose some data to avoid functions
David Demelier <markand@malikania.fr>
parents: 59
diff changeset
38 };
58133933ea17 window: expose some data to avoid functions
David Demelier <markand@malikania.fr>
parents: 59
diff changeset
39
163
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
40 static void
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
41 load_cursors(void)
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
42 {
485
3ff1fe64d0cd core: window -> mlk_window
David Demelier <markand@malikania.fr>
parents: 474
diff changeset
43 cursors[MLK_WINDOW_CURSOR_ARROW] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_ARROW);
3ff1fe64d0cd core: window -> mlk_window
David Demelier <markand@malikania.fr>
parents: 474
diff changeset
44 cursors[MLK_WINDOW_CURSOR_EDIT] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_IBEAM);
3ff1fe64d0cd core: window -> mlk_window
David Demelier <markand@malikania.fr>
parents: 474
diff changeset
45 cursors[MLK_WINDOW_CURSOR_WAIT] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_WAIT);
3ff1fe64d0cd core: window -> mlk_window
David Demelier <markand@malikania.fr>
parents: 474
diff changeset
46 cursors[MLK_WINDOW_CURSOR_CROSSHAIR] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_CROSSHAIR);
3ff1fe64d0cd core: window -> mlk_window
David Demelier <markand@malikania.fr>
parents: 474
diff changeset
47 cursors[MLK_WINDOW_CURSOR_SIZE] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZEALL);
3ff1fe64d0cd core: window -> mlk_window
David Demelier <markand@malikania.fr>
parents: 474
diff changeset
48 cursors[MLK_WINDOW_CURSOR_NO] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_NO);
3ff1fe64d0cd core: window -> mlk_window
David Demelier <markand@malikania.fr>
parents: 474
diff changeset
49 cursors[MLK_WINDOW_CURSOR_HAND] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_HAND);
163
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
50 }
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
51
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
52 static void
248
37771eaf4245 core: use vsync and improve game loop
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
53 load_framerate(void)
37771eaf4245 core: use vsync and improve game loop
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
54 {
37771eaf4245 core: use vsync and improve game loop
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
55 SDL_DisplayMode mode;
37771eaf4245 core: use vsync and improve game loop
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
56
37771eaf4245 core: use vsync and improve game loop
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
57 if (SDL_GetWindowDisplayMode(handle.win, &mode) == 0)
485
3ff1fe64d0cd core: window -> mlk_window
David Demelier <markand@malikania.fr>
parents: 474
diff changeset
58 mlk_window.framerate = mode.refresh_rate;
248
37771eaf4245 core: use vsync and improve game loop
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
59 }
37771eaf4245 core: use vsync and improve game loop
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
60
37771eaf4245 core: use vsync and improve game loop
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
61 static void
163
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
62 finish_cursors(void)
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
63 {
474
ca30ff96bbe0 core: util -> mlk_util
David Demelier <markand@malikania.fr>
parents: 445
diff changeset
64 for (size_t i = 0; i < MLK_UTIL_SIZE(cursors); ++i)
163
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
65 if (cursors[i])
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
66 SDL_FreeCursor(cursors[i]);
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
67 }
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
68
298
196264679079 misc: remove usage of bool
David Demelier <markand@malikania.fr>
parents: 261
diff changeset
69 static int
248
37771eaf4245 core: use vsync and improve game loop
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
70 load_window(const char *title, unsigned int w, unsigned int h)
37771eaf4245 core: use vsync and improve game loop
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
71 {
298
196264679079 misc: remove usage of bool
David Demelier <markand@malikania.fr>
parents: 261
diff changeset
72 return (handle.win = SDL_CreateWindow(title, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, w, h, 0)) != NULL;
248
37771eaf4245 core: use vsync and improve game loop
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
73 }
37771eaf4245 core: use vsync and improve game loop
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
74
298
196264679079 misc: remove usage of bool
David Demelier <markand@malikania.fr>
parents: 261
diff changeset
75 static int
248
37771eaf4245 core: use vsync and improve game loop
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
76 load_renderer(void)
37771eaf4245 core: use vsync and improve game loop
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
77 {
298
196264679079 misc: remove usage of bool
David Demelier <markand@malikania.fr>
parents: 261
diff changeset
78 return (handle.renderer = SDL_CreateRenderer(handle.win, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC)) != NULL;
248
37771eaf4245 core: use vsync and improve game loop
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
79 }
37771eaf4245 core: use vsync and improve game loop
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
80
298
196264679079 misc: remove usage of bool
David Demelier <markand@malikania.fr>
parents: 261
diff changeset
81 int
485
3ff1fe64d0cd core: window -> mlk_window
David Demelier <markand@malikania.fr>
parents: 474
diff changeset
82 mlk_window_open(const char *title, unsigned int w, unsigned int h)
0
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
83 {
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
84 assert(title);
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
85
248
37771eaf4245 core: use vsync and improve game loop
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
86 if (!load_window(title, w, h) || !load_renderer())
437
e1eebc6bf25d man: initial import
David Demelier <markand@malikania.fr>
parents: 431
diff changeset
87 return MLK_ERR_SDL;
0
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
88
485
3ff1fe64d0cd core: window -> mlk_window
David Demelier <markand@malikania.fr>
parents: 474
diff changeset
89 mlk_window.w = w;
3ff1fe64d0cd core: window -> mlk_window
David Demelier <markand@malikania.fr>
parents: 474
diff changeset
90 mlk_window.h = h;
0
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
91
248
37771eaf4245 core: use vsync and improve game loop
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
92 load_framerate();
163
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
93 load_cursors();
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
94
298
196264679079 misc: remove usage of bool
David Demelier <markand@malikania.fr>
parents: 261
diff changeset
95 return 0;
0
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
96 }
efcc908bca21 core: implement basic windowing, closes #2437
David Demelier <markand@malikania.fr>
parents:
diff changeset
97
97
58133933ea17 window: expose some data to avoid functions
David Demelier <markand@malikania.fr>
parents: 59
diff changeset
98 void
485
3ff1fe64d0cd core: window -> mlk_window
David Demelier <markand@malikania.fr>
parents: 474
diff changeset
99 mlk_window_set_cursor(enum mlk_window_cursor cursor)
163
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
100 {
485
3ff1fe64d0cd core: window -> mlk_window
David Demelier <markand@malikania.fr>
parents: 474
diff changeset
101 assert(cursor < MLK_WINDOW_CURSOR_LAST);
163
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
102
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
103 SDL_SetCursor(cursors[cursor]);
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
104 }
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
105
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
106 void
485
3ff1fe64d0cd core: window -> mlk_window
David Demelier <markand@malikania.fr>
parents: 474
diff changeset
107 mlk_window_finish(void)
45
e10fd1b6323f core: implement splashscreen, closes #2458 @1h
David Demelier <markand@malikania.fr>
parents: 39
diff changeset
108 {
97
58133933ea17 window: expose some data to avoid functions
David Demelier <markand@malikania.fr>
parents: 59
diff changeset
109 if (handle.renderer)
58133933ea17 window: expose some data to avoid functions
David Demelier <markand@malikania.fr>
parents: 59
diff changeset
110 SDL_DestroyRenderer(handle.renderer);
58133933ea17 window: expose some data to avoid functions
David Demelier <markand@malikania.fr>
parents: 59
diff changeset
111 if (handle.win)
58133933ea17 window: expose some data to avoid functions
David Demelier <markand@malikania.fr>
parents: 59
diff changeset
112 SDL_DestroyWindow(handle.win);
156
c3a40062acc2 misc: create more generic startup function, closes #2500
David Demelier <markand@malikania.fr>
parents: 121
diff changeset
113
163
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
114 finish_cursors();
4bbfcd9180a8 core: add window_set_cursor function, closes #2502
David Demelier <markand@malikania.fr>
parents: 156
diff changeset
115
156
c3a40062acc2 misc: create more generic startup function, closes #2500
David Demelier <markand@malikania.fr>
parents: 121
diff changeset
116 memset(&handle, 0, sizeof (handle));
45
e10fd1b6323f core: implement splashscreen, closes #2458 @1h
David Demelier <markand@malikania.fr>
parents: 39
diff changeset
117 }