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Diffstat (limited to 'xorg-server/Xi/ungrdevb.c')
| -rw-r--r-- | xorg-server/Xi/ungrdevb.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/xorg-server/Xi/ungrdevb.c b/xorg-server/Xi/ungrdevb.c new file mode 100644 index 000000000..590699f05 --- /dev/null +++ b/xorg-server/Xi/ungrdevb.c @@ -0,0 +1,145 @@ +/************************************************************ + +Copyright 1989, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice 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 +OPEN GROUP 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. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +Copyright 1989 by Hewlett-Packard Company, Palo Alto, California. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the name of Hewlett-Packard not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +********************************************************/ + +/*********************************************************************** + * + * Request to release a grab of a button on an extension device. + * + */ + +#define NEED_EVENTS +#define NEED_REPLIES +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "inputstr.h" /* DeviceIntPtr */ +#include "windowstr.h" /* window structure */ +#include <X11/extensions/XI.h> +#include <X11/extensions/XIproto.h> +#include "exglobals.h" +#include "dixgrabs.h" + +#include "ungrdevb.h" + +#define AllModifiersMask ( \ + ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | \ + Mod3Mask | Mod4Mask | Mod5Mask ) + +/*********************************************************************** + * + * Handle requests from a client with a different byte order. + * + */ + +int +SProcXUngrabDeviceButton(ClientPtr client) +{ + char n; + + REQUEST(xUngrabDeviceButtonReq); + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xUngrabDeviceButtonReq); + swapl(&stuff->grabWindow, n); + swaps(&stuff->modifiers, n); + return (ProcXUngrabDeviceButton(client)); +} + +/*********************************************************************** + * + * Release a grab of a button on an extension device. + * + */ + +int +ProcXUngrabDeviceButton(ClientPtr client) +{ + DeviceIntPtr dev; + DeviceIntPtr mdev; + WindowPtr pWin; + GrabRec temporaryGrab; + int rc; + + REQUEST(xUngrabDeviceButtonReq); + REQUEST_SIZE_MATCH(xUngrabDeviceButtonReq); + + rc = dixLookupDevice(&dev, stuff->grabbed_device, client, DixGrabAccess); + if (rc != Success) + return rc; + if (dev->button == NULL) + return BadMatch; + + if (stuff->modifier_device != UseXKeyboard) { + rc = dixLookupDevice(&mdev, stuff->modifier_device, client, + DixReadAccess); + if (rc != Success) + return BadDevice; + if (mdev->key == NULL) + return BadMatch; + } else + mdev = inputInfo.keyboard; + + rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess); + if (rc != Success) + return rc; + + if ((stuff->modifiers != AnyModifier) && + (stuff->modifiers & ~AllModifiersMask)) + return BadValue; + + temporaryGrab.resource = client->clientAsMask; + temporaryGrab.device = dev; + temporaryGrab.window = pWin; + temporaryGrab.type = DeviceButtonPress; + temporaryGrab.modifierDevice = mdev; + temporaryGrab.modifiersDetail.exact = stuff->modifiers; + temporaryGrab.modifiersDetail.pMask = NULL; + temporaryGrab.detail.exact = stuff->button; + temporaryGrab.detail.pMask = NULL; + + DeletePassiveGrabFromList(&temporaryGrab); + return Success; +} |