| 1 | /* -*-c-*- |
| 2 | * |
| 3 | * Query the current X pointer state |
| 4 | * |
| 5 | * (c) 2023 Straylight/Edgeware |
| 6 | */ |
| 7 | |
| 8 | /*----- Licensing notice --------------------------------------------------* |
| 9 | * |
| 10 | * This file is part of the Edgeware X tools collection. |
| 11 | * |
| 12 | * X tools is free software: you can redistribute it and/or modify it |
| 13 | * under the terms of the GNU General Public License as published by the |
| 14 | * Free Software Foundation; either version 2 of the License, or (at your |
| 15 | * option) any later version. |
| 16 | * |
| 17 | * X tools is distributed in the hope that it will be useful, but WITHOUT |
| 18 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 20 | * for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU General Public License |
| 23 | * along with X tools. If not, write to the Free Software Foundation, |
| 24 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 25 | */ |
| 26 | |
| 27 | /*----- Header files ------------------------------------------------------*/ |
| 28 | |
| 29 | #include <errno.h> |
| 30 | #include <limits.h> |
| 31 | #include <stdio.h> |
| 32 | #include <stdlib.h> |
| 33 | |
| 34 | #include <X11/Xlib.h> |
| 35 | |
| 36 | #include <mLib/alloc.h> |
| 37 | #include <mLib/macros.h> |
| 38 | #include <mLib/mdwopt.h> |
| 39 | #include <mLib/quis.h> |
| 40 | #include <mLib/report.h> |
| 41 | |
| 42 | /*----- Help and version information --------------------------------------*/ |
| 43 | |
| 44 | static void version(void) |
| 45 | { pquis(stdout, "$ version " VERSION "\n"); } |
| 46 | |
| 47 | static void usage(FILE *fp) |
| 48 | { pquis(fp, "Usage: $ [-d DISPLAY] X Y\n"); } |
| 49 | |
| 50 | static void help(void) |
| 51 | { |
| 52 | version(); putchar('\n'); |
| 53 | usage(stdout); |
| 54 | fputs("\n\ |
| 55 | Report the current pointer state, as SCREEN X Y MASK.\n\ |
| 56 | \n\ |
| 57 | Command-line options:\n\ |
| 58 | \n\ |
| 59 | -h, --help Display this help.\n\ |
| 60 | -v, --version Display program's version number.\n\ |
| 61 | -u, --usage Display short usage summary.\n\ |
| 62 | \n\ |
| 63 | -d, --display=DISPLAY Connect to X DISPLAY.\n", |
| 64 | stdout); |
| 65 | } |
| 66 | |
| 67 | /*----- Main program ------------------------------------------------------*/ |
| 68 | |
| 69 | int main(int argc, char *argv[]) |
| 70 | { |
| 71 | const char *display = 0; |
| 72 | Display *dpy = 0; |
| 73 | Window root, child; |
| 74 | int i, screen, x, y, winx, winy; |
| 75 | unsigned mask; |
| 76 | |
| 77 | unsigned f = 0; |
| 78 | #define f_bogus 1u |
| 79 | |
| 80 | ego(argv[0]); |
| 81 | |
| 82 | /* Parse arguments. */ |
| 83 | for (;;) { |
| 84 | static struct option opt[] = { |
| 85 | { "help", 0, 0, 'h' }, |
| 86 | { "usage", 0, 0, 'u' }, |
| 87 | { "version", 0, 0, 'v' }, |
| 88 | { "display", OPTF_ARGREQ, 0, 'd' }, |
| 89 | { 0, 0, 0, 0 } |
| 90 | }; |
| 91 | |
| 92 | i = mdwopt(argc, argv, "huvd:", opt, 0, 0, 0); if (i < 0) break; |
| 93 | switch (i) { |
| 94 | case 'h': help(); exit(0); |
| 95 | case 'u': usage(stdout); exit(0); |
| 96 | case 'v': version(); exit(0); |
| 97 | case 'd': display = optarg; break; |
| 98 | default: f |= f_bogus; break; |
| 99 | } |
| 100 | } |
| 101 | if ((f&f_bogus) || argc - optind != 0) { |
| 102 | usage(stderr); |
| 103 | exit(EXIT_FAILURE); |
| 104 | } |
| 105 | |
| 106 | /* Open the display. */ |
| 107 | if ((dpy = XOpenDisplay(display)) == 0) |
| 108 | die(EXIT_FAILURE, "couldn't open display"); |
| 109 | |
| 110 | /* Find and print where the pointer is. */ |
| 111 | XQueryPointer(dpy, DefaultRootWindow(dpy), &root, &child, |
| 112 | &x, &y, &winx, &winy, &mask); |
| 113 | for (i = 0; i < ScreenCount(dpy); i++) |
| 114 | if (root == RootWindow(dpy, i)) { screen = i; goto found_root; } |
| 115 | die(2, "pointer is on unknown root window 0x%08lx", (unsigned long)root); |
| 116 | found_root: |
| 117 | printf("%d %d %d 0x%08x\n", screen, x, y, mask); |
| 118 | |
| 119 | /* Done. */ |
| 120 | XCloseDisplay(dpy); |
| 121 | return (0); |
| 122 | } |
| 123 | |
| 124 | /*----- That's all, folks -------------------------------------------------*/ |