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-rw-r--r--xorg-server/Xi/xichangecursor.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/xorg-server/Xi/xichangecursor.c b/xorg-server/Xi/xichangecursor.c
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+++ b/xorg-server/Xi/xichangecursor.c
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+/*
+ * Copyright 2007-2008 Peter Hutterer
+ *
+ * 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, University of South Australia, NICTA
+ */
+
+/***********************************************************************
+ *
+ * Request to change a given device pointer's cursor.
+ *
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h> /* for inputstr.h */
+#include <X11/Xproto.h> /* Request macro */
+#include "inputstr.h" /* DeviceIntPtr */
+#include "windowstr.h" /* window structure */
+#include "scrnintstr.h" /* screen structure */
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XI2proto.h>
+#include "extnsionst.h"
+#include "exevents.h"
+#include "exglobals.h"
+#include "input.h"
+
+#include "xichangecursor.h"
+
+/***********************************************************************
+ *
+ * This procedure allows a client to set one pointer's cursor.
+ *
+ */
+
+int
+SProcXIChangeCursor(ClientPtr client)
+{
+ char n;
+
+ REQUEST(xXIChangeCursorReq);
+ swaps(&stuff->length, n);
+ swapl(&stuff->win, n);
+ swapl(&stuff->cursor, n);
+ swaps(&stuff->deviceid, n);
+ REQUEST_SIZE_MATCH(xXIChangeCursorReq);
+ return (ProcXIChangeCursor(client));
+}
+
+int ProcXIChangeCursor(ClientPtr client)
+{
+ int rc;
+ WindowPtr pWin = NULL;
+ DeviceIntPtr pDev = NULL;
+ CursorPtr pCursor = NULL;
+
+ REQUEST(xXIChangeCursorReq);
+ REQUEST_SIZE_MATCH(xXIChangeCursorReq);
+
+ rc = dixLookupDevice(&pDev, stuff->deviceid, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ if (!IsMaster(pDev) || !IsPointerDevice(pDev))
+ return BadDevice;
+
+ if (stuff->win != None)
+ {
+ rc = dixLookupWindow(&pWin, stuff->win, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ }
+
+ if (stuff->cursor == None)
+ {
+ if (pWin == WindowTable[pWin->drawable.pScreen->myNum])
+ pCursor = rootCursor;
+ else
+ pCursor = (CursorPtr)None;
+ }
+ else
+ {
+ rc = dixLookupResourceByType((pointer *)&pCursor, stuff->cursor,
+ RT_CURSOR, client, DixUseAccess);
+ if (rc != Success)
+ return (rc == BadValue) ? BadCursor : rc;
+ }
+
+ ChangeWindowDeviceCursor(pWin, pDev, pCursor);
+
+ return Success;
+}
+