diff options
Diffstat (limited to 'usr.bin/kfgwm/kfgwm.c')
-rw-r--r-- | usr.bin/kfgwm/kfgwm.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/usr.bin/kfgwm/kfgwm.c b/usr.bin/kfgwm/kfgwm.c new file mode 100644 index 0000000..5a9e7b8 --- /dev/null +++ b/usr.bin/kfgwm/kfgwm.c @@ -0,0 +1,95 @@ +/* + * 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 <stdlib.h> +#include <unistd.h> + +static struct fbattr fbattr; +static uint32_t *framep; + +static void +test_win(struct kfg_window *root, kfgpos_t x, kfgpos_t y, const char *str) +{ + struct kfg_text text; + struct kfg_window *test_win; + + test_win = kfg_win_new(root, x, y); + text.text = str; + text.x = 0; + text.y = 0; + + kfg_win_draw(root, test_win); + kfg_win_putstr(test_win, &text); +} + +int +main(void) +{ + int fb_fd, fbattr_fd, prot; + size_t fb_size; + struct kfg_window *root_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 = malloc(sizeof(*root_win)); + 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(root_win, 40, 85, "Hello, World!"); + test_win(root_win, 150, 20, "Mrow!"); + + for (;;); +} |