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authorPeter Hutterer <peter.hutterer@who-t.net>2009-04-15 21:39:30 +1000
committerPeter Hutterer <peter.hutterer@who-t.net>2009-04-16 22:15:13 +1000
commitb3da79aba9cd8c615e953ee08d69f44c23fe3ab5 (patch)
treeb45a6b31304bec4a44b2742bbce67190bff07f49
parent01a029e597a25f10d00accafb04d72dad39e82cf (diff)
Add XIGrabDevice
-rw-r--r--include/X11/extensions/XInput2.h18
-rw-r--r--src/Makefile.am1
-rw-r--r--src/XIGrabDevice.c102
3 files changed, 121 insertions, 0 deletions
diff --git a/include/X11/extensions/XInput2.h b/include/X11/extensions/XInput2.h
index f7ffba3..0d6fbf2 100644
--- a/include/X11/extensions/XInput2.h
+++ b/include/X11/extensions/XInput2.h
@@ -352,6 +352,24 @@ extern Status XIGetDeviceFocus(
int deviceid,
Window *focus_return);
+extern Status XIGrabDevice(
+ Display* dpy,
+ int deviceid,
+ Window grab_window,
+ Time time,
+ Cursor cursor,
+ int grab_mode,
+ int paired_device_mode,
+ Bool owner_events,
+ XIDeviceEventMask *mask
+);
+
+extern Status XIUngrabDevice(
+ Display* dpy,
+ int deviceid,
+ Time time
+);
+
extern void XIFreeDeviceInfo(XIDeviceInfo *info);
extern void XIFreeEventData(XIEvent *ev);
diff --git a/src/Makefile.am b/src/Makefile.am
index a9b1480..21a1498 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -53,6 +53,7 @@ libXi_la_SOURCES = \
XExtInt.c \
XISelEv.c \
XIint.h \
+ XIGrabDevice.c \
XIQueryVersion.c \
XIQueryDevice.c \
XISetDevFocus.c \
diff --git a/src/XIGrabDevice.c b/src/XIGrabDevice.c
new file mode 100644
index 0000000..f97138c
--- /dev/null
+++ b/src/XIGrabDevice.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright © 2009 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include <stdint.h>
+#include <X11/Xlibint.h>
+#include <X11/extensions/XI2proto.h>
+#include <X11/extensions/XInput2.h>
+#include <X11/extensions/extutil.h>
+#include "XIint.h"
+
+
+Status
+XIGrabDevice(Display* dpy, int deviceid, Window grab_window, Time time,
+ Cursor cursor, int grab_mode, int paired_device_mode,
+ Bool owner_events, XIDeviceEventMask *mask)
+{
+ xXIGrabDeviceReq *req;
+ xXIGrabDeviceReply reply;
+ char* buff;
+ int len;
+
+ XExtDisplayInfo *extinfo = XInput_find_display(dpy);
+ if (_XiCheckExtInit(dpy, Dont_Check, extinfo) == -1)
+ return (NoSuchExtension);
+
+ GetReq(XIGrabDevice, req);
+ req->reqType = extinfo->codes->major_opcode;
+ req->ReqType = X_XIGrabDevice;
+ req->deviceid = deviceid;
+ req->grab_window = grab_window;
+ req->time = time;
+ req->grab_mode = grab_mode;
+ req->paired_device_mode = paired_device_mode;
+ req->owner_events = owner_events;
+ req->mask_len = mask->mask_len;
+ req->cursor = cursor;
+
+
+ /* masks.mask_len is in bytes, but we need 4-byte units on the wire,
+ * and they need to be padded with 0 */
+ len = (mask->mask_len + 3) / 4;
+ buff = calloc(1, len);
+ memcpy(buff, mask->mask, mask->mask_len);
+
+ SetReqLen(req, len, len);
+ Data(dpy, buff, len * 4);
+ free(buff);
+
+ if (_XReply(dpy, (xReply *)&reply, 0, xTrue) == 0)
+ reply.status = GrabSuccess;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return reply.status;
+}
+
+Status
+XIUngrabDevice(Display* dpy, int deviceid, Time time)
+{
+ xXIUngrabDeviceReq *req;
+
+ XExtDisplayInfo *info = XInput_find_display(dpy);
+
+ LockDisplay(dpy);
+ if (_XiCheckExtInit(dpy, XInput_Initial_Release, info) == -1)
+ return (NoSuchExtension);
+
+ GetReq(XIUngrabDevice, req);
+ req->reqType = info->codes->major_opcode;
+ req->ReqType = X_XIUngrabDevice;
+
+ req->deviceid = deviceid;
+ req->time = time;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return (Success);
+}
+
+