svn merge https://vcxsrv.svn.sourceforge.net/svnroot/vcxsrv/branches/released .

1 files changed, 228 insertions, 0 deletions

diff --git a/xorg-server/Xi/xiquerypointer.c b/xorg-server/Xi/xiquerypointer.c
new file mode 100644
index 000000000..93ceba4c3
--- /dev/null
+++ b/xorg-server/Xi/xiquerypointer.c
@@ -0,0 +1,228 @@
+/*
+ * 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 query 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 <X11/extensions/XI.h>
+#include <X11/extensions/XI2proto.h>
+#include "extnsionst.h"
+#include "exevents.h"
+#include "exglobals.h"
+#include "eventconvert.h"
+#include "xkbsrv.h"
+
+#ifdef PANORAMIX
+#include "panoramiXsrv.h"
+#endif
+
+#include "xiquerypointer.h"
+
+/***********************************************************************
+ *
+ * This procedure allows a client to query the pointer of a device.
+ *
+ */
+
+int
+SProcXIQueryPointer(ClientPtr client)
+{
+    char n;
+
+    REQUEST(xXIQueryPointerReq);
+    swaps(&stuff->length, n);
+    swaps(&stuff->deviceid, n);
+    swapl(&stuff->win, n);
+    return (ProcXIQueryPointer(client));
+}
+
+int
+ProcXIQueryPointer(ClientPtr client)
+{
+    int rc;
+    xXIQueryPointerReply rep;
+    DeviceIntPtr pDev, kbd;
+    WindowPtr pWin, t;
+    SpritePtr pSprite;
+    XkbStatePtr state;
+    char *buttons = NULL;
+    int buttons_size = 0; /* size of buttons array */
+
+    REQUEST(xXIQueryPointerReq);
+    REQUEST_SIZE_MATCH(xXIQueryPointerReq);
+
+    rc = dixLookupDevice(&pDev, stuff->deviceid, client, DixReadAccess);
+    if (rc != Success)
+    {
+        client->errorValue = stuff->deviceid;
+        return rc;
+    }
+
+    if (pDev->valuator == NULL || IsKeyboardDevice(pDev) ||
+        (!IsMaster(pDev) && pDev->u.master)) /* no attached devices */
+    {
+        client->errorValue = stuff->deviceid;
+        return BadDevice;
+    }
+
+    rc = dixLookupWindow(&pWin, stuff->win, client, DixGetAttrAccess);
+    if (rc != Success)
+    {
+        SendErrorToClient(client, IReqCode, X_XIQueryPointer,
+                stuff->win, rc);
+        return Success;
+    }
+
+    if (pDev->valuator->motionHintWindow)
+        MaybeStopHint(pDev, client);
+
+    if (IsMaster(pDev))
+        kbd = GetPairedDevice(pDev);
+    else
+        kbd = (pDev->key) ? pDev : NULL;
+
+    pSprite = pDev->spriteInfo->sprite;
+
+    memset(&rep, 0, sizeof(rep));
+    rep.repType = X_Reply;
+    rep.RepType = X_XIQueryPointer;
+    rep.length = 6;
+    rep.sequenceNumber = client->sequence;
+    rep.root = (GetCurrentRootWindow(pDev))->drawable.id;
+    rep.root_x = FP1616(pSprite->hot.x, 0);
+    rep.root_y = FP1616(pSprite->hot.y, 0);
+    rep.child = None;
+
+    if (kbd)
+    {
+        state = &kbd->key->xkbInfo->prev_state;
+        rep.mods.base_mods = state->base_mods;
+        rep.mods.latched_mods = state->latched_mods;
+        rep.mods.locked_mods = state->locked_mods;
+
+        rep.group.base_group = state->base_group;
+        rep.group.latched_group = state->latched_group;
+        rep.group.locked_group = state->locked_group;
+    }
+
+    if (pDev->button)
+    {
+        int i, down;
+        rep.buttons_len = bytes_to_int32(bits_to_bytes(pDev->button->numButtons));
+        rep.length += rep.buttons_len;
+        buttons_size = rep.buttons_len * 4;
+        buttons = xcalloc(1, buttons_size);
+        if (!buttons)
+            return BadAlloc;
+
+        down = pDev->button->buttonsDown;
+
+        for (i = 0; i < pDev->button->numButtons && down; i++)
+        {
+            if (BitIsOn(pDev->button->down, i))
+            {
+                SetBit(buttons, i);
+                down--;
+            }
+        }
+    } else
+        rep.buttons_len = 0;
+
+    if (pSprite->hot.pScreen == pWin->drawable.pScreen)
+    {
+        rep.same_screen = xTrue;
+        rep.win_x = FP1616(pSprite->hot.x - pWin->drawable.x, 0);
+        rep.win_y = FP1616(pSprite->hot.y - pWin->drawable.y, 0);
+        for (t = pSprite->win; t; t = t->parent)
+            if (t->parent == pWin)
+            {
+                rep.child = t->drawable.id;
+                break;
+            }
+    } else
+    {
+        rep.same_screen = xFalse;
+        rep.win_x = 0;
+        rep.win_y = 0;
+    }
+
+#ifdef PANORAMIX
+    if(!noPanoramiXExtension) {
+        rep.root_x += FP1616(panoramiXdataPtr[0].x, 0);
+        rep.root_y += FP1616(panoramiXdataPtr[0].y, 0);
+        if (stuff->win == rep.root)
+        {
+            rep.win_x += FP1616(panoramiXdataPtr[0].x, 0);
+            rep.win_y += FP1616(panoramiXdataPtr[0].y, 0);
+        }
+    }
+#endif
+
+    WriteReplyToClient(client, sizeof(xXIQueryPointerReply), &rep);
+    if (buttons)
+        WriteToClient(client, buttons_size, buttons);
+
+    xfree(buttons);
+
+    return Success;
+}
+
+/***********************************************************************
+ *
+ * This procedure writes the reply for the XIQueryPointer function,
+ * if the client and server have a different byte ordering.
+ *
+ */
+
+void
+SRepXIQueryPointer(ClientPtr client, int size,
+                   xXIQueryPointerReply * rep)
+{
+    char n;
+
+    swaps(&rep->sequenceNumber, n);
+    swapl(&rep->length, n);
+    swapl(&rep->root, n);
+    swapl(&rep->child, n);
+    swapl(&rep->root_x, n);
+    swapl(&rep->root_y, n);
+    swapl(&rep->win_x, n);
+    swapl(&rep->win_y, n);
+    swaps(&rep->buttons_len, n);
+
+    WriteToClient(client, size, (char *)rep);
+}
+