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Add software rotation to unl0kr

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Co-authored-by: craftyguy
This commit is contained in:
xs5871 2025-03-12 20:11:38 +00:00 • committed by Johannes Marbach
parent 6bf7a8406f
commit a410763f02
7 changed files with 55 additions and 2 deletions
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33
unl0kr/command_line.c
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@ -44,6 +44,7 @@ static void init_opts(ul_cli_opts *opts) {
opts->x_offset = 0;
opts->y_offset = 0;
opts->dpi = 0;
opts->rotation = LV_DISPLAY_ROTATION_0;
opts->verbose = false;
}
@ -68,6 +69,13 @@ static void print_usage() {
" vertical pixels, offset horizontally by X\n"
" pixels and vertically by Y pixels\n"
" -d --dpi=N Override the display's DPI value\n"
" -r, --rotate=[0-3] Rotate the UI to the given orientation. The\n"
" values match the ones provided by the kernel in\n"
" /sys/class/graphics/fbcon/rotate.\n"
" * 0 - normal orientation (0 degree)\n"
" * 1 - clockwise orientation (90 degrees)\n"
" * 2 - upside down orientation (180 degrees)\n"
" * 3 - counterclockwise orientation (270 degrees)\n"
" -h, --help Print this message and exit\n"
" -v, --verbose Enable more detailed logging output on STDERR\n"
" -V, --version Print the unl0kr version and exit\n");
@ -86,6 +94,7 @@ void ul_cli_parse_opts(int argc, char *argv[], ul_cli_opts *opts) {
{ "config-override", required_argument, NULL, 'C' },
{ "geometry", required_argument, NULL, 'g' },
{ "dpi", required_argument, NULL, 'd' },
{ "rotate", required_argument, NULL, 'r' },
{ "help", no_argument, NULL, 'h' },
{ "verbose", no_argument, NULL, 'v' },
{ "version", no_argument, NULL, 'V' },
@ -94,7 +103,7 @@ void ul_cli_parse_opts(int argc, char *argv[], ul_cli_opts *opts) {
int opt, index = 0;
while ((opt = getopt_long(argc, argv, "C:g:d:hvV", long_opts, &index)) != -1) {
while ((opt = getopt_long(argc, argv, "C:g:d:r:hvV", long_opts, &index)) != -1) {
switch (opt) {
case 'C':
opts->config_files = realloc(opts->config_files, (opts->num_config_files + 1) * sizeof(char *));
@ -119,6 +128,28 @@ void ul_cli_parse_opts(int argc, char *argv[], ul_cli_opts *opts) {
exit(EXIT_FAILURE);
}
break;
case 'r': {
int orientation;
if (sscanf(optarg, "%i", &orientation) != 1 || orientation < 0 || orientation > 3) {
fprintf(stderr, "Invalid orientation argument \"%s\"\n", optarg);
exit(EXIT_FAILURE);
}
switch (orientation) {
case 0:
opts->rotation = LV_DISPLAY_ROTATION_0;
break;
case 1:
opts->rotation = LV_DISPLAY_ROTATION_270;
break;
case 2:
opts->rotation = LV_DISPLAY_ROTATION_180;
break;
case 3:
opts->rotation = LV_DISPLAY_ROTATION_90;
break;
}
break;
}
case 'h':
print_usage();
exit(EXIT_SUCCESS);