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Diffstat (limited to 'xorg-server/Xi/xigrabdev.c')
-rw-r--r--xorg-server/Xi/xigrabdev.c316
1 files changed, 155 insertions, 161 deletions
diff --git a/xorg-server/Xi/xigrabdev.c b/xorg-server/Xi/xigrabdev.c
index 05c732c89..a9b655c0e 100644
--- a/xorg-server/Xi/xigrabdev.c
+++ b/xorg-server/Xi/xigrabdev.c
@@ -1,161 +1,155 @@
-/*
- * 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.
- *
- * Author: Peter Hutterer
- */
-
-/***********************************************************************
- *
- * Request to grab or ungrab input device.
- *
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "inputstr.h" /* DeviceIntPtr */
-#include "windowstr.h" /* window structure */
-#include <X11/extensions/XI2.h>
-#include <X11/extensions/XI2proto.h>
-
-#include "exglobals.h" /* BadDevice */
-#include "exevents.h"
-#include "xigrabdev.h"
-
-int
-SProcXIGrabDevice(ClientPtr client)
-{
- char n;
-
- REQUEST(xXIGrabDeviceReq);
-
- swaps(&stuff->length, n);
- swaps(&stuff->deviceid, n);
- swapl(&stuff->grab_window, n);
- swapl(&stuff->cursor, n);
- swapl(&stuff->time, n);
- swaps(&stuff->mask_len, n);
-
- return ProcXIGrabDevice(client);
-}
-
-int
-ProcXIGrabDevice(ClientPtr client)
-{
- DeviceIntPtr dev;
- xXIGrabDeviceReply rep;
- int ret = Success;
- uint8_t status;
- GrabMask mask;
- int mask_len;
-
- REQUEST(xXIGrabDeviceReq);
- REQUEST_AT_LEAST_SIZE(xXIGrabDeviceReq);
-
- ret = dixLookupDevice(&dev, stuff->deviceid, client, DixGrabAccess);
- if (ret != Success)
- return ret;
-
- if (!IsMaster(dev))
- stuff->paired_device_mode = GrabModeAsync;
-
- if (XICheckInvalidMaskBits(client, (unsigned char*)&stuff[1],
- stuff->mask_len * 4) != Success)
- return BadValue;
-
- mask_len = min(sizeof(mask.xi2mask[stuff->deviceid]), stuff->mask_len * 4);
- memset(mask.xi2mask, 0, sizeof(mask.xi2mask));
- memcpy(mask.xi2mask, (char*)&stuff[1], mask_len);
-
- ret = GrabDevice(client, dev, stuff->grab_mode,
- stuff->paired_device_mode,
- stuff->grab_window,
- stuff->owner_events,
- stuff->time,
- &mask,
- GRABTYPE_XI2,
- stuff->cursor,
- None /* confineTo */,
- &status);
-
- if (ret != Success)
- return ret;
-
- rep.repType = X_Reply;
- rep.RepType = X_XIGrabDevice;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.status = status;
-
-
- WriteReplyToClient(client, sizeof(rep), &rep);
- return ret;
-}
-
-int
-SProcXIUngrabDevice(ClientPtr client)
-{
- char n;
-
- REQUEST(xXIUngrabDeviceReq);
-
- swaps(&stuff->length, n);
- swaps(&stuff->deviceid, n);
- swapl(&stuff->time, n);
-
- return ProcXIUngrabDevice(client);
-}
-
-int
-ProcXIUngrabDevice(ClientPtr client)
-{
- DeviceIntPtr dev;
- GrabPtr grab;
- int ret = Success;
- TimeStamp time;
-
- REQUEST(xXIUngrabDeviceReq);
-
- ret = dixLookupDevice(&dev, stuff->deviceid, client, DixGetAttrAccess);
- if (ret != Success)
- return ret;
-
- grab = dev->deviceGrab.grab;
-
- time = ClientTimeToServerTime(stuff->time);
- if ((CompareTimeStamps(time, currentTime) != LATER) &&
- (CompareTimeStamps(time, dev->deviceGrab.grabTime) != EARLIER) &&
- (grab) && SameClient(grab, client) && grab->grabtype == GRABTYPE_XI2)
- (*dev->deviceGrab.DeactivateGrab) (dev);
-
- return Success;
-}
-
-void SRepXIGrabDevice(ClientPtr client, int size, xXIGrabDeviceReply * rep)
-{
- char n;
-
- swaps(&rep->sequenceNumber, n);
- swapl(&rep->length, n);
- WriteToClient(client, size, (char *)rep);
-}
+/*
+ * 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.
+ *
+ * Author: Peter Hutterer
+ */
+
+/***********************************************************************
+ *
+ * Request to grab or ungrab input device.
+ *
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "inputstr.h" /* DeviceIntPtr */
+#include "windowstr.h" /* window structure */
+#include <X11/extensions/XI2.h>
+#include <X11/extensions/XI2proto.h>
+
+#include "exglobals.h" /* BadDevice */
+#include "exevents.h"
+#include "xigrabdev.h"
+
+int
+SProcXIGrabDevice(ClientPtr client)
+{
+ REQUEST(xXIGrabDeviceReq);
+
+ swaps(&stuff->length);
+ swaps(&stuff->deviceid);
+ swapl(&stuff->grab_window);
+ swapl(&stuff->cursor);
+ swapl(&stuff->time);
+ swaps(&stuff->mask_len);
+
+ return ProcXIGrabDevice(client);
+}
+
+int
+ProcXIGrabDevice(ClientPtr client)
+{
+ DeviceIntPtr dev;
+ xXIGrabDeviceReply rep;
+ int ret = Success;
+ uint8_t status;
+ GrabMask mask;
+ int mask_len;
+
+ REQUEST(xXIGrabDeviceReq);
+ REQUEST_AT_LEAST_SIZE(xXIGrabDeviceReq);
+
+ ret = dixLookupDevice(&dev, stuff->deviceid, client, DixGrabAccess);
+ if (ret != Success)
+ return ret;
+
+ if (!IsMaster(dev))
+ stuff->paired_device_mode = GrabModeAsync;
+
+ if (XICheckInvalidMaskBits(client, (unsigned char*)&stuff[1],
+ stuff->mask_len * 4) != Success)
+ return BadValue;
+
+ mask_len = min(sizeof(mask.xi2mask[stuff->deviceid]), stuff->mask_len * 4);
+ memset(mask.xi2mask, 0, sizeof(mask.xi2mask));
+ memcpy(mask.xi2mask, (char*)&stuff[1], mask_len);
+
+ ret = GrabDevice(client, dev, stuff->grab_mode,
+ stuff->paired_device_mode,
+ stuff->grab_window,
+ stuff->owner_events,
+ stuff->time,
+ &mask,
+ GRABTYPE_XI2,
+ stuff->cursor,
+ None /* confineTo */,
+ &status);
+
+ if (ret != Success)
+ return ret;
+
+ rep.repType = X_Reply;
+ rep.RepType = X_XIGrabDevice;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.status = status;
+
+
+ WriteReplyToClient(client, sizeof(rep), &rep);
+ return ret;
+}
+
+int
+SProcXIUngrabDevice(ClientPtr client)
+{
+ REQUEST(xXIUngrabDeviceReq);
+
+ swaps(&stuff->length);
+ swaps(&stuff->deviceid);
+ swapl(&stuff->time);
+
+ return ProcXIUngrabDevice(client);
+}
+
+int
+ProcXIUngrabDevice(ClientPtr client)
+{
+ DeviceIntPtr dev;
+ GrabPtr grab;
+ int ret = Success;
+ TimeStamp time;
+
+ REQUEST(xXIUngrabDeviceReq);
+
+ ret = dixLookupDevice(&dev, stuff->deviceid, client, DixGetAttrAccess);
+ if (ret != Success)
+ return ret;
+
+ grab = dev->deviceGrab.grab;
+
+ time = ClientTimeToServerTime(stuff->time);
+ if ((CompareTimeStamps(time, currentTime) != LATER) &&
+ (CompareTimeStamps(time, dev->deviceGrab.grabTime) != EARLIER) &&
+ (grab) && SameClient(grab, client) && grab->grabtype == GRABTYPE_XI2)
+ (*dev->deviceGrab.DeactivateGrab) (dev);
+
+ return Success;
+}
+
+void SRepXIGrabDevice(ClientPtr client, int size, xXIGrabDeviceReply * rep)
+{
+ swaps(&rep->sequenceNumber);
+ swapl(&rep->length);
+ WriteToClient(client, size, (char *)rep);
+}
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