Attachment 606133 Details for Bug 804907 – cookie-display-check.c

cookie-display-check.c

cookie-display-check.c (text/plain), 1.37 KB, created by Peter Hutterer on 2012-08-22 06:18:18 UTC

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Creator: Peter Hutterer

Created: 2012-08-22 06:18:18 UTC

Size: 1.37 KB

patch

obsolete

>/*
>   gcc -Wall -o cookie-display-check `pkg-config --cflags --libs x11 xi` cookie-display-check.c
> */
>
>#include <assert.h>
>#include <stdio.h>
>#include <X11/Xlib.h>
>#include <X11/extensions/XI2.h>
>#include <X11/extensions/XInput2.h>
>
>int main(int argc, char** argv)
>{
>    Display *dpy;
>    int major = 2,
>        minor = 0;
>    XIEventMask mask;
>    unsigned char data[XIMaskLen(XI_LASTEVENT)];
>
>    dpy = XOpenDisplay(NULL);
>    assert(dpy);
>
>    assert(XIQueryVersion(dpy, &major, &minor) == Success);
>    assert(major * 1000 + minor >= 2000);
>
>
>    mask.deviceid = XIAllDevices;
>    mask.mask = data;
>    mask.mask_len = sizeof(data);
>    memset(data, 0, sizeof(data));
>    XISetMask(mask.mask, XI_RawMotion);
>    XISetMask(mask.mask, XI_RawButtonPress);
>    XISetMask(mask.mask, XI_RawButtonRelease);
>
>    XISelectEvents(dpy, DefaultRootWindow(dpy), &mask, 1);
>    XSync(dpy, False);
>
>    printf("Waiting for event, move pointer now.\n");
>
>    while (1) {
>        XEvent ev;
>        XIDeviceEvent *dev;
>
>        XNextEvent(dpy, &ev);
>
>        if (ev.type != GenericEvent)
>            continue;
>
>        assert(ev.xcookie.display == dpy);
>        assert(XGetEventData(dpy, &ev.xcookie));
>
>        dev = ev.xcookie.data;
>        /* https://bugzilla.redhat.com/show_bug.cgi?id=804907 */
>        assert(dev->display == dpy);
>
>        XFreeEventData(dpy, &ev.xcookie);
>        break;
>    }
>
>    return 0;
>}

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Attachments on bug 804907: 601619 | 606133