aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/Xi/xiwarppointer.c
diff options
context:
space:
mode:
authormarha <marha@users.sourceforge.net>2009-09-06 18:48:27 +0000
committermarha <marha@users.sourceforge.net>2009-09-06 18:48:27 +0000
commita915739887477b28d924ecc8417ee107d125bd6c (patch)
treec02f315476b61892d1fd89182e18943dce8d6277 /xorg-server/Xi/xiwarppointer.c
parent6f25a23db1df27e992c34f6fd4c82e83c44fc2e2 (diff)
downloadvcxsrv-a915739887477b28d924ecc8417ee107d125bd6c.tar.gz
vcxsrv-a915739887477b28d924ecc8417ee107d125bd6c.tar.bz2
vcxsrv-a915739887477b28d924ecc8417ee107d125bd6c.zip
Switched to xorg-server-1.6.99.900.tar.gz
Diffstat (limited to 'xorg-server/Xi/xiwarppointer.c')
-rw-r--r--xorg-server/Xi/xiwarppointer.c201
1 files changed, 201 insertions, 0 deletions
diff --git a/xorg-server/Xi/xiwarppointer.c b/xorg-server/Xi/xiwarppointer.c
new file mode 100644
index 000000000..7276e6faf
--- /dev/null
+++ b/xorg-server/Xi/xiwarppointer.c
@@ -0,0 +1,201 @@
+/*
+ * 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 Warp the pointer location of an extension input device.
+ *
+ */
+
+#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 "mipointer.h" /* for miPointerUpdateSprite */
+
+
+#include "xiwarppointer.h"
+/***********************************************************************
+ *
+ * This procedure allows a client to warp the pointer of a device.
+ *
+ */
+
+int
+SProcXIWarpPointer(ClientPtr client)
+{
+ char n;
+
+ REQUEST(xXIWarpPointerReq);
+ swaps(&stuff->length, n);
+ swapl(&stuff->src_win, n);
+ swapl(&stuff->dst_win, n);
+ swapl(&stuff->src_x, n);
+ swapl(&stuff->src_y, n);
+ swaps(&stuff->src_width, n);
+ swaps(&stuff->src_height, n);
+ swapl(&stuff->dst_x, n);
+ swapl(&stuff->dst_y, n);
+ swaps(&stuff->deviceid, n);
+ return (ProcXIWarpPointer(client));
+}
+
+int
+ProcXIWarpPointer(ClientPtr client)
+{
+ int rc;
+ int x, y;
+ WindowPtr dest = NULL;
+ DeviceIntPtr pDev;
+ SpritePtr pSprite;
+ ScreenPtr newScreen;
+ int src_x, src_y;
+ int dst_x, dst_y;
+
+ REQUEST(xXIWarpPointerReq);
+ REQUEST_SIZE_MATCH(xXIWarpPointerReq);
+
+ /* FIXME: panoramix stuff is missing, look at ProcWarpPointer */
+
+ rc = dixLookupDevice(&pDev, stuff->deviceid, client, DixWriteAccess);
+
+ if (rc != Success)
+ {
+ client->errorValue = stuff->deviceid;
+ return rc;
+ }
+
+ if ((!IsMaster(pDev) && pDev->u.master) ||
+ (IsMaster(pDev) && !IsPointerDevice(pDev)))
+ {
+ client->errorValue = stuff->deviceid;
+ return BadDevice;
+ }
+
+ if (stuff->dst_win != None)
+ {
+ rc = dixLookupWindow(&dest, stuff->dst_win, client, DixGetAttrAccess);
+ if (rc != Success)
+ {
+ client->errorValue = stuff->dst_win;
+ return rc;
+ }
+ }
+
+ pSprite = pDev->spriteInfo->sprite;
+ x = pSprite->hotPhys.x;
+ y = pSprite->hotPhys.y;
+
+ src_x = stuff->src_x / (double)(1 << 16);
+ src_y = stuff->src_y / (double)(1 << 16);
+ dst_x = stuff->dst_x / (double)(1 << 16);
+ dst_y = stuff->dst_y / (double)(1 << 16);
+
+ if (stuff->src_win != None)
+ {
+ int winX, winY;
+ WindowPtr src;
+
+ rc = dixLookupWindow(&src, stuff->src_win, client, DixGetAttrAccess);
+ if (rc != Success)
+ {
+ client->errorValue = stuff->src_win;
+ return rc;
+ }
+
+ winX = src->drawable.x;
+ winY = src->drawable.y;
+ if (src->drawable.pScreen != pSprite->hotPhys.pScreen ||
+ x < winX + src_x ||
+ y < winY + src_y ||
+ (stuff->src_width != 0 &&
+ winX + src_x + (int)stuff->src_width < 0) ||
+ (stuff->src_height != 0 &&
+ winY + src_y + (int)stuff->src_height < y) ||
+ !PointInWindowIsVisible(src, x, y))
+ return Success;
+ }
+
+ if (dest)
+ {
+ x = dest->drawable.x;
+ y = dest->drawable.y;
+ newScreen = dest->drawable.pScreen;
+ } else
+ newScreen = pSprite->hotPhys.pScreen;
+
+ x += dst_x;
+ y += dst_y;
+
+ if (x < 0)
+ x = 0;
+ else if (x > newScreen->width)
+ x = newScreen->width - 1;
+
+ if (y < 0)
+ y = 0;
+ else if (y > newScreen->height)
+ y = newScreen->height - 1;
+
+ if (newScreen == pSprite->hotPhys.pScreen)
+ {
+ if (x < pSprite->physLimits.x1)
+ x = pSprite->physLimits.x1;
+ else if (x >= pSprite->physLimits.x2)
+ x = pSprite->physLimits.x2 - 1;
+
+ if (y < pSprite->physLimits.y1)
+ y = pSprite->physLimits.y1;
+ else if (y >= pSprite->physLimits.y2)
+ y = pSprite->physLimits.y2 - 1;
+
+ if (pSprite->hotShape)
+ ConfineToShape(pDev, pSprite->hotShape, &x, &y);
+ (*newScreen->SetCursorPosition)(pDev, newScreen, x, y, TRUE);
+ } else if (!PointerConfinedToScreen(pDev))
+ {
+ NewCurrentScreen(pDev, newScreen, x, y);
+ }
+
+ /* if we don't update the device, we get a jump next time it moves */
+ pDev->last.valuators[0] = x;
+ pDev->last.valuators[1] = y;
+ miPointerUpdateSprite(pDev);
+
+ /* FIXME: XWarpPointer is supposed to generate an event. It doesn't do it
+ here though. */
+ return Success;
+}
+