diff options
Diffstat (limited to 'xorg-server/Xi/xiwarppointer.c')
-rw-r--r-- | xorg-server/Xi/xiwarppointer.c | 406 |
1 files changed, 203 insertions, 203 deletions
diff --git a/xorg-server/Xi/xiwarppointer.c b/xorg-server/Xi/xiwarppointer.c index 66888008f..a463ab94d 100644 --- a/xorg-server/Xi/xiwarppointer.c +++ b/xorg-server/Xi/xiwarppointer.c @@ -1,203 +1,203 @@ -/*
- * 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) && !IsFloating(pDev)) ||
- (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;
- pDev->last.remainder[0] = 0;
- pDev->last.remainder[1] = 0;
- miPointerUpdateSprite(pDev);
-
- /* FIXME: XWarpPointer is supposed to generate an event. It doesn't do it
- here though. */
- return Success;
-}
-
+/* + * 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) && !IsFloating(pDev)) || + (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; + pDev->last.remainder[0] = 0; + pDev->last.remainder[1] = 0; + miPointerUpdateSprite(pDev); + + /* FIXME: XWarpPointer is supposed to generate an event. It doesn't do it + here though. */ + return Success; +} + |