1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/*
* Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Hyra nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/fbdev.h>
#include <kfg/window.h>
#include <fcntl.h>
#include <stddef.h>
#include <unistd.h>
int
main(void)
{
int fb_fd, fbattr_fd, prot;
size_t fb_size;
uint32_t *framep;
struct fbattr fbattr;
struct kfg_window root_win, test_win;
fb_fd = open("/dev/fb0", O_RDWR);
if (fb_fd < 0) {
return fb_fd;
}
fbattr_fd = open("/ctl/fb0/attr", O_RDONLY);
if (fbattr_fd < 0) {
close(fb_fd);
return fbattr_fd;
}
read(fbattr_fd, &fbattr, sizeof(fbattr));
close(fbattr_fd);
fb_size = fbattr.height * fbattr.pitch;
prot = PROT_READ | PROT_WRITE;
framep = mmap(NULL, fb_size, prot, MAP_SHARED, fb_fd, 0);
root_win.x = 0;
root_win.y = 0;
root_win.width = fbattr.width;
root_win.height = fbattr.height;
root_win.fb_pitch = fbattr.pitch;
root_win.framebuf = framep;
root_win.bg = KFG_RED;
root_win.border_bg = KFG_RED;
test_win.x = 150;
test_win.y = 85;
test_win.width = 425;
test_win.height = 350;
test_win.fb_pitch = fbattr.pitch;
test_win.framebuf = framep;
test_win.bg = KFG_DARK;
test_win.border_bg = KFG_RED;
kfg_win_draw(&root_win, &test_win);
for (;;);
}
|
