xfree86: Changing "IsMPDevice" to "SharedPointer" option. Devices will default
to MP devices. Xi: Adding QueryDevicePointer request/reply Adding WarpDevicePointer request/reply
This commit is contained in:
Peter Hutterer
committed by
Peter Hutterer
Peter Hutterer
parent
2d0a63126b
commit
202b46eb6b
186
Xi/warpdevp.c
Normal file
186
Xi/warpdevp.c
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/*
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Copyright 2006 Peter Hutterer <peter@cs.unisa.edu.au>
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of the author shall
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not be used in advertising or otherwise to promote the sale, use or
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other dealings in this Software without prior written authorization
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from the author.
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*/
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/***********************************************************************
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*
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* Request to Warp the pointer location of an extension input device.
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*
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*/
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#define NEED_EVENTS
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#define NEED_REPLIES
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <X11/X.h> /* for inputstr.h */
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#include <X11/Xproto.h> /* Request macro */
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#include "inputstr.h" /* DeviceIntPtr */
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#include "windowstr.h" /* window structure */
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#include "scrnintstr.h" /* screen structure */
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#include <X11/extensions/XI.h>
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#include <X11/extensions/XIproto.h>
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#include "extnsionst.h"
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#include "extinit.h" /* LookupDeviceIntRec */
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#include "exevents.h"
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#include "exglobals.h"
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#include "warpdevp.h"
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/***********************************************************************
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*
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* This procedure allows a client to warp the pointer of a device.
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*
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*/
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int
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SProcXWarpDevicePointer(register ClientPtr client)
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{
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register char n;
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REQUEST(xWarpDevicePointerReq);
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swaps(&stuff->length, n);
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return (ProcXWarpDevicePointer(client));
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}
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int
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ProcXWarpDevicePointer(register ClientPtr client)
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{
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int err;
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int x, y;
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WindowPtr dest = NULL;
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DeviceIntPtr pDev;
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SpritePtr pSprite;
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ScreenPtr newScreen;
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REQUEST(xWarpDevicePointerReq);
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REQUEST_SIZE_MATCH(xWarpDevicePointerReq);
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/* FIXME: panoramix stuff is missing, look at ProcWarpPointer */
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pDev = LookupDeviceIntRec(stuff->deviceid);
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if (pDev == NULL) {
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SendErrorToClient(client, IReqCode, X_WarpDevicePointer, 0,
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BadDevice);
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return Success;
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}
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if (stuff->dst_win != None)
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{
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err = dixLookupWindow(&dest, stuff->dst_win, client, DixReadAccess);
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if (err != Success)
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{
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SendErrorToClient(client, IReqCode, X_WarpDevicePointer,
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stuff->dst_win, err);
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return Success;
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}
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}
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pSprite = pDev->pSprite;
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x = pSprite->hotPhys.x;
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y = pSprite->hotPhys.y;
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if (stuff->src_win != None)
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{
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int winX, winY;
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WindowPtr src;
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err = dixLookupWindow(&src, stuff->src_win, client, DixReadAccess);
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if (err != Success)
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{
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SendErrorToClient(client, IReqCode, X_WarpDevicePointer,
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stuff->src_win, err);
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return Success;
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}
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winX = src->drawable.x;
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winY = src->drawable.y;
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if (src->drawable.pScreen != pSprite->hotPhys.pScreen ||
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x < winX + stuff->src_x ||
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y < winY + stuff->src_y ||
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(stuff->src_width != 0 &&
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winX + stuff->src_x + (int)stuff->src_width < 0) ||
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(stuff->src_height != 0 &&
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winY + stuff->src_y + (int)stuff->src_height < y) ||
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!PointInWindowIsVisible(src, x, y))
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return Success;
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}
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if (dest)
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{
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x = dest->drawable.x;
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y = dest->drawable.y;
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newScreen = dest->drawable.pScreen;
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} else
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newScreen = pSprite->hotPhys.pScreen;
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x += stuff->dst_x;
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y += stuff->dst_y;
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if (x < 0)
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x = 0;
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else if (x > newScreen->width)
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x = newScreen->width - 1;
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if (y < 0)
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y = 0;
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else if (y > newScreen->height)
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y = newScreen->height - 1;
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if (newScreen == pSprite->hotPhys.pScreen)
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{
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if (x < pSprite->physLimits.x1)
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x = pSprite->physLimits.x1;
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else if (x >= pSprite->physLimits.x2)
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x = pSprite->physLimits.x2 - 1;
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if (y < pSprite->physLimits.y1)
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y = pSprite->physLimits.y1;
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else if (y >= pSprite->physLimits.y2)
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y = pSprite->physLimits.y2 - 1;
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#if defined(SHAPE)
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if (pSprite->hotShape)
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ConfineToShape(pDev, pSprite->hotShape, &x, &y);
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#endif
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(*newScreen->SetCursorPosition)(pDev, newScreen, x, y, TRUE);
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} else if (!PointerConfinedToScreen(pDev))
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{
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NewCurrentScreen(pDev, newScreen, x, y);
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}
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/* if we don't update the device, we get a jump next time it moves */
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pDev->valuator->lastx = x;
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pDev->valuator->lasty = x;
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miPointerUpdateSprite(pDev);
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/* FIXME: XWarpPointer is supposed to generate an event. It doesn't do it
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here though. */
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return Success;
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}
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