33 lines
761 B
C
33 lines
761 B
C
// gcc monitor_by_id.c -o monitor_by_id -lX11 -lXrandr
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#include <X11/Xlib.h>
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#include <X11/extensions/Xrandr.h>
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#include <stdio.h>
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#include <stdlib.h>
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int main(int argc, char *argv[])
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{
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int vmajor = 0;
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int vminor = 0;
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int moni = -1;
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int monc = 0;
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if (argc == 2) moni = atoi(argv[1]);
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Display *dpy = XOpenDisplay(NULL);
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if (!dpy || moni < 0) return 1;
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Window wnd = XDefaultRootWindow(dpy);
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if (XRRQueryExtension(dpy, &vmajor, &vminor))
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{
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XRRQueryVersion(dpy, &vmajor, &vminor);
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XRRMonitorInfo *info = XRRGetMonitors(dpy, wnd, 0, &monc);
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if (moni >= monc) return 1;
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printf("%s\n", XGetAtomName(dpy, info[moni].name));
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XFree(info);
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}
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XCloseDisplay(dpy);
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return 0;
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} |