Attachment 89191 Details for Bug 71609 – Test case application

Test case application

xi-bug.c (text/plain), 2.56 KB, created by Andrey Nazarov on 2013-11-14 13:55:04 UTC

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Creator: Andrey Nazarov

Created: 2013-11-14 13:55:04 UTC

Size: 2.56 KB

patch

obsolete

>#include <stdio.h>
>#include <stdlib.h>
>#include <string.h>
>#include <X11/Xlib.h>
>#include <X11/extensions/XInput2.h>
>
>static Window create_win(Display *dpy)
>{
>    XIEventMask mask;
>
>    Window win = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 0, 0, 200,
>            200, 0, 0, WhitePixel(dpy, 0));
>    Window subwindow = XCreateSimpleWindow(dpy, win, 50, 50, 50, 50, 0, 0,
>            BlackPixel(dpy, 0));
>
>    XSelectInput(dpy, win, StructureNotifyMask);
>
>    mask.deviceid = XIAllMasterDevices;
>    mask.mask_len = XIMaskLen(XI_RawMotion);
>    mask.mask = calloc(mask.mask_len, sizeof(char));
>    memset(mask.mask, 0, mask.mask_len);
>    XISetMask(mask.mask, XI_RawMotion);
>
>    XISelectEvents(dpy, DefaultRootWindow(dpy), &mask, 1);
>
>    free(mask.mask);
>    XMapWindow(dpy, subwindow);
>    XMapWindow(dpy, win);
>    XSync(dpy, True);
>    return win;
>}
>
>static void print_rawmotion(XIRawEvent *event)
>{
>    int i;
>    double *raw_valuator = event->raw_values,
>           *valuator = event->valuators.values;
>
>    printf("    device: %d (%d)\n", event->deviceid, event->sourceid);
>
>    for (i = 0; i < event->valuators.mask_len * 8; i++)
>    {
>        if (XIMaskIsSet(event->valuators.mask, i))
>        {
>            printf("  acceleration on valuator %d: %f <%f %f>\n",
>                    i, *valuator - *raw_valuator, *valuator, *raw_valuator);
>            valuator++;
>            raw_valuator++;
>        }
>    }
>}
>
>int main (int argc, char **argv)
>{
>    Display *dpy;
>    int xi_opcode, event, error;
>    int major = 2, minor = 1;
>    Window win;
>    XEvent ev;
>
>    dpy = XOpenDisplay(NULL);
>
>    if (!dpy) {
>        fprintf(stderr, "Failed to open display.\n");
>        return -1;
>    }
>
>    if (!XQueryExtension(dpy, "XInputExtension", &xi_opcode, &event, &error)) {
>        printf("X Input extension not available.\n");
>        return -1;
>    }
>
>    if (XIQueryVersion(dpy, &major, &minor) != Success) {
>        return -1;
>    }
>
>    win = create_win(dpy);
>
>    while(1)
>    {
>        XGenericEventCookie *cookie = &ev.xcookie;
>
>        XNextEvent(dpy, &ev);
>
>        if (ev.type == MapNotify) {
>            XGrabPointer(dpy, win, True, 0, GrabModeAsync,
>                    GrabModeAsync, win, None, CurrentTime);
>        }
>
>        if (cookie->type != GenericEvent ||
>            cookie->extension != xi_opcode ||
>            !XGetEventData(dpy, cookie))
>            continue;
>
>        printf("EVENT TYPE %d\n", cookie->evtype);
>        if (cookie->evtype == XI_RawMotion)
>            print_rawmotion(cookie->data);
>
>        XFreeEventData(dpy, cookie);
>    }
>
>    XCloseDisplay(dpy);
>    return 0;
>}
>

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Attachments on bug 71609: 89191

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