64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
/**
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* @brief toggle-abs-mouse - Toggle mouse modes
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*
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* Set the mouse mode under VirtualBox, VMware, or QEMU to either
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* relative or absolute via ioctl to the relevant absolute mouse
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* device driver interface.
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*
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* @copyright
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* This file is part of ToaruOS and is released under the terms
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* of the NCSA / University of Illinois License - see LICENSE.md
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* Copyright (C) 2018 K. Lange
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*/
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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int main(int argc, char * argv[]) {
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if (argc < 2) {
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fprintf(stderr, "%s: argument (relative, absolute, get) expected\n", argv[0]);
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return 1;
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}
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int fd = open("/dev/absmouse",O_WRONLY);
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if (fd < 0) {
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/* try vmmouse */
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fd = open("/dev/vmmouse",O_WRONLY);
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if (fd < 0) {
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fprintf(stderr, "%s: no valid mouse interface found.\n", argv[0]);
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return 1;
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}
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}
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int flag = 0;
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if (!strcmp(argv[1],"relative")) {
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flag = 1;
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}
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if (!strcmp(argv[1],"absolute")) {
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flag = 2;
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}
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if (!strcmp(argv[1],"get")) {
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flag = 3;
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}
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if (!flag) {
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fprintf(stderr, "%s: invalid argument\n", argv[0]);
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return 1;
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}
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int result = ioctl(fd, flag, NULL);
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if (flag == 3) {
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if (result == 0) {
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fprintf(stdout, "relative\n");
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} else {
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fprintf(stdout, "absolute\n");
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}
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return 0;
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}
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return result;
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}
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