Attachment 68221 Details for Bug 55738 – test case

test case

touchgrab.c (text/plain), 2.40 KB, created by Tom Jaeger on 2012-10-07 18:45:52 UTC

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Creator: Tom Jaeger

Created: 2012-10-07 18:45:52 UTC

Size: 2.40 KB

patch

obsolete

>/* gcc touchgrab.c -lXi -Wall -std=c99 -o touchgrab */
>
>#include <X11/Xlib.h>
>#include <X11/extensions/XInput2.h>
>#include <stdio.h>
>#include <stdlib.h>
>#include <string.h>
>
>int main(int argc, char **argv) {
>  Display *dpy = XOpenDisplay(NULL);
>
>  int opcode, event, error;
>  if (!XQueryExtension(dpy, "XInputExtension", &opcode, &event, &error)) {
>    printf("X Input extension not available.\n");
>    return 1;
>  }
>
>  int major = 2, minor = 2;
>  XIQueryVersion(dpy, &major, &minor);
>  if (major * 1000 + minor < 2002) {
>    printf("Server does not support XI 2.2\n");
>    return 1;
>  }
>
>  if (argc != 3 || (strcmp(argv[2], "accept") && strcmp(argv[2], "reject"))) {
>    printf("Usage: %s <device_number> accept|reject\n", argv[0]);
>    return 1;
>  }
>
>  int dev = atoi(argv[1]);
>  int mode = argv[2][0] == 'a' ? XIAcceptTouch : XIRejectTouch;
>
>  static unsigned char touch_mask_data[4];
>  static XIEventMask touch_mask;
>
>  touch_mask.deviceid = dev;
>  touch_mask.mask = touch_mask_data;
>  touch_mask.mask_len = sizeof(touch_mask_data);
>  memset(touch_mask.mask, 0, touch_mask.mask_len);
>  XISetMask(touch_mask.mask, XI_TouchBegin);
>  XISetMask(touch_mask.mask, XI_TouchUpdate);
>  XISetMask(touch_mask.mask, XI_TouchEnd);
>
>  XIGrabModifiers modifier = {0};
>  modifier.modifiers = XIAnyModifier;
>
>  Window win = XDefaultRootWindow(dpy);
>  
>  XIGrabButton(dpy, dev, 1, win, None, GrabModeAsync, GrabModeAsync, False, &touch_mask, 1, &modifier);
>  if (XIGrabTouchBegin(dpy, dev, win, False, &touch_mask, 1, &modifier)) {
>    printf("Grab failed\n");
>    return 1;
>  }
>  XIGrabDevice(dpy, dev, win, CurrentTime, None, GrabModeAsync, GrabModeAsync, False, &touch_mask);
>
>  while (1) {
>    XEvent ev;
>    XNextEvent(dpy, &ev);
>
>    if (ev.xcookie.type == GenericEvent &&
>        ev.xcookie.extension == opcode &&
>        XGetEventData(dpy, &ev.xcookie)) {
>      XIDeviceEvent *event = (XIDeviceEvent *)ev.xcookie.data;
>      switch(event->evtype) {
>        case XI_TouchBegin:
>          printf("TouchBegin: %d -> %d\n", event->sourceid, event->deviceid);
>          XIAllowTouchEvents(dpy, event->deviceid, event->detail, win, mode);
>          break;
>        case XI_TouchUpdate:
>          printf("TouchUpdate: %d -> %d\n", event->sourceid, event->deviceid);
>          break;
>        case XI_TouchEnd:
>          printf("TouchEnd: %d -> %d\n", event->sourceid, event->deviceid);
>          break;
>      }
>    }
>
>    XFreeEventData(dpy, &ev.xcookie);
>  }
>
>  return 0;
>}

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Attachments on bug 55738: 68221 | 68663

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