sync code with last improvements from OpenBSD
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commit
88965415ff
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26235 changed files with 29195616 additions and 0 deletions
395
xserver/Xi/xipassivegrab.c
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395
xserver/Xi/xipassivegrab.c
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/*
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* Copyright © 2009 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Author: Peter Hutterer
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*/
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/***********************************************************************
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*
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* Request to grab or ungrab input device.
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*
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*/
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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 "inputstr.h" /* DeviceIntPtr */
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#include "windowstr.h" /* window structure */
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#include <X11/extensions/XI2.h>
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#include <X11/extensions/XI2proto.h>
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#include "swaprep.h"
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#include "exglobals.h" /* BadDevice */
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#include "exevents.h"
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#include "xipassivegrab.h"
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#include "dixgrabs.h"
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#include "misc.h"
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#include "inpututils.h"
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int _X_COLD
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SProcXIPassiveGrabDevice(ClientPtr client)
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{
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int i;
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uint32_t *mods;
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REQUEST(xXIPassiveGrabDeviceReq);
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REQUEST_AT_LEAST_SIZE(xXIPassiveGrabDeviceReq);
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swaps(&stuff->length);
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swaps(&stuff->deviceid);
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swapl(&stuff->grab_window);
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swapl(&stuff->cursor);
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swapl(&stuff->time);
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swapl(&stuff->detail);
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swaps(&stuff->mask_len);
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swaps(&stuff->num_modifiers);
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REQUEST_FIXED_SIZE(xXIPassiveGrabDeviceReq,
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((uint32_t) stuff->mask_len + stuff->num_modifiers) *4);
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mods = (uint32_t *) &stuff[1] + stuff->mask_len;
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for (i = 0; i < stuff->num_modifiers; i++, mods++) {
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swapl(mods);
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}
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return ProcXIPassiveGrabDevice(client);
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}
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int
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ProcXIPassiveGrabDevice(ClientPtr client)
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{
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DeviceIntPtr dev, mod_dev;
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xXIPassiveGrabDeviceReply rep = {
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.repType = X_Reply,
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.RepType = X_XIPassiveGrabDevice,
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.sequenceNumber = client->sequence,
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.length = 0,
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.num_modifiers = 0
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};
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int i, ret = Success;
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uint32_t *modifiers;
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xXIGrabModifierInfo *modifiers_failed = NULL;
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GrabMask mask = { 0 };
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GrabParameters param;
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void *tmp;
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int mask_len;
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REQUEST(xXIPassiveGrabDeviceReq);
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REQUEST_FIXED_SIZE(xXIPassiveGrabDeviceReq,
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((uint32_t) stuff->mask_len + stuff->num_modifiers) * 4);
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if (stuff->deviceid == XIAllDevices)
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dev = inputInfo.all_devices;
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else if (stuff->deviceid == XIAllMasterDevices)
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dev = inputInfo.all_master_devices;
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else {
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ret = dixLookupDevice(&dev, stuff->deviceid, client, DixGrabAccess);
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if (ret != Success) {
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client->errorValue = stuff->deviceid;
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return ret;
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}
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}
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if (stuff->grab_type != XIGrabtypeButton &&
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stuff->grab_type != XIGrabtypeKeycode &&
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stuff->grab_type != XIGrabtypeEnter &&
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stuff->grab_type != XIGrabtypeFocusIn &&
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stuff->grab_type != XIGrabtypeTouchBegin &&
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stuff->grab_type != XIGrabtypeGesturePinchBegin &&
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stuff->grab_type != XIGrabtypeGestureSwipeBegin) {
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client->errorValue = stuff->grab_type;
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return BadValue;
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}
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if ((stuff->grab_type == XIGrabtypeEnter ||
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stuff->grab_type == XIGrabtypeFocusIn ||
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stuff->grab_type == XIGrabtypeTouchBegin ||
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stuff->grab_type == XIGrabtypeGesturePinchBegin ||
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stuff->grab_type == XIGrabtypeGestureSwipeBegin) && stuff->detail != 0) {
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client->errorValue = stuff->detail;
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return BadValue;
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}
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if (stuff->grab_type == XIGrabtypeTouchBegin &&
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(stuff->grab_mode != XIGrabModeTouch ||
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stuff->paired_device_mode != GrabModeAsync)) {
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client->errorValue = stuff->grab_mode;
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return BadValue;
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}
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/* XI2 allows 32-bit keycodes but thanks to XKB we can never
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* implement this. Just return an error for all keycodes that
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* cannot work anyway, same for buttons > 255. */
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if (stuff->detail > 255)
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return XIAlreadyGrabbed;
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if (XICheckInvalidMaskBits(client, (unsigned char *) &stuff[1],
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stuff->mask_len * 4) != Success)
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return BadValue;
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mask.xi2mask = xi2mask_new();
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if (!mask.xi2mask)
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return BadAlloc;
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mask_len = min(xi2mask_mask_size(mask.xi2mask), stuff->mask_len * 4);
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xi2mask_set_one_mask(mask.xi2mask, stuff->deviceid,
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(unsigned char *) &stuff[1], mask_len * 4);
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memset(¶m, 0, sizeof(param));
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param.grabtype = XI2;
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param.ownerEvents = stuff->owner_events;
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param.grabWindow = stuff->grab_window;
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param.cursor = stuff->cursor;
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if (IsKeyboardDevice(dev)) {
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param.this_device_mode = stuff->grab_mode;
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param.other_devices_mode = stuff->paired_device_mode;
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}
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else {
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param.this_device_mode = stuff->paired_device_mode;
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param.other_devices_mode = stuff->grab_mode;
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}
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if (stuff->cursor != None) {
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ret = dixLookupResourceByType(&tmp, stuff->cursor,
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RT_CURSOR, client, DixUseAccess);
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if (ret != Success) {
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client->errorValue = stuff->cursor;
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goto out;
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}
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}
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ret =
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dixLookupWindow((WindowPtr *) &tmp, stuff->grab_window, client,
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DixSetAttrAccess);
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if (ret != Success)
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goto out;
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ret = CheckGrabValues(client, ¶m);
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if (ret != Success)
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goto out;
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modifiers = (uint32_t *) &stuff[1] + stuff->mask_len;
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modifiers_failed =
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calloc(stuff->num_modifiers, sizeof(xXIGrabModifierInfo));
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if (!modifiers_failed) {
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ret = BadAlloc;
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goto out;
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}
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mod_dev = (IsFloating(dev)) ? dev : GetMaster(dev, MASTER_KEYBOARD);
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for (i = 0; i < stuff->num_modifiers; i++, modifiers++) {
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uint8_t status = Success;
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param.modifiers = *modifiers;
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ret = CheckGrabValues(client, ¶m);
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if (ret != Success)
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goto out;
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switch (stuff->grab_type) {
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case XIGrabtypeButton:
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status = GrabButton(client, dev, mod_dev, stuff->detail,
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¶m, XI2, &mask);
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break;
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case XIGrabtypeKeycode:
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status = GrabKey(client, dev, mod_dev, stuff->detail,
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¶m, XI2, &mask);
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break;
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case XIGrabtypeEnter:
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case XIGrabtypeFocusIn:
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status = GrabWindow(client, dev, stuff->grab_type, ¶m, &mask);
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break;
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case XIGrabtypeTouchBegin:
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status = GrabTouchOrGesture(client, dev, mod_dev, XI_TouchBegin,
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¶m, &mask);
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break;
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case XIGrabtypeGesturePinchBegin:
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status = GrabTouchOrGesture(client, dev, mod_dev,
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XI_GesturePinchBegin, ¶m, &mask);
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break;
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case XIGrabtypeGestureSwipeBegin:
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status = GrabTouchOrGesture(client, dev, mod_dev,
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XI_GestureSwipeBegin, ¶m, &mask);
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break;
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}
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if (status != GrabSuccess) {
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xXIGrabModifierInfo *info = modifiers_failed + rep.num_modifiers;
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info->status = status;
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info->modifiers = *modifiers;
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if (client->swapped)
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swapl(&info->modifiers);
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rep.num_modifiers++;
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rep.length += bytes_to_int32(sizeof(xXIGrabModifierInfo));
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}
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}
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WriteReplyToClient(client, sizeof(rep), &rep);
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if (rep.num_modifiers)
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WriteToClient(client, rep.length * 4, modifiers_failed);
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out:
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free(modifiers_failed);
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xi2mask_free(&mask.xi2mask);
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return ret;
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}
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void _X_COLD
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SRepXIPassiveGrabDevice(ClientPtr client, int size,
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xXIPassiveGrabDeviceReply * rep)
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{
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swaps(&rep->sequenceNumber);
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swapl(&rep->length);
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swaps(&rep->num_modifiers);
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WriteToClient(client, size, rep);
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}
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int _X_COLD
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SProcXIPassiveUngrabDevice(ClientPtr client)
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{
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int i;
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uint32_t *modifiers;
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REQUEST(xXIPassiveUngrabDeviceReq);
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REQUEST_AT_LEAST_SIZE(xXIPassiveUngrabDeviceReq);
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swaps(&stuff->length);
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swapl(&stuff->grab_window);
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swaps(&stuff->deviceid);
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swapl(&stuff->detail);
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swaps(&stuff->num_modifiers);
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REQUEST_FIXED_SIZE(xXIPassiveUngrabDeviceReq,
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((uint32_t) stuff->num_modifiers) << 2);
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modifiers = (uint32_t *) &stuff[1];
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for (i = 0; i < stuff->num_modifiers; i++, modifiers++)
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swapl(modifiers);
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return ProcXIPassiveUngrabDevice(client);
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}
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int
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ProcXIPassiveUngrabDevice(ClientPtr client)
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{
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DeviceIntPtr dev, mod_dev;
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WindowPtr win;
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GrabPtr tempGrab;
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uint32_t *modifiers;
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int i, rc;
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REQUEST(xXIPassiveUngrabDeviceReq);
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REQUEST_FIXED_SIZE(xXIPassiveUngrabDeviceReq,
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((uint32_t) stuff->num_modifiers) << 2);
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if (stuff->deviceid == XIAllDevices)
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dev = inputInfo.all_devices;
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else if (stuff->deviceid == XIAllMasterDevices)
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dev = inputInfo.all_master_devices;
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else {
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rc = dixLookupDevice(&dev, stuff->deviceid, client, DixGrabAccess);
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if (rc != Success)
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return rc;
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}
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if (stuff->grab_type != XIGrabtypeButton &&
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stuff->grab_type != XIGrabtypeKeycode &&
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stuff->grab_type != XIGrabtypeEnter &&
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stuff->grab_type != XIGrabtypeFocusIn &&
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stuff->grab_type != XIGrabtypeTouchBegin &&
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stuff->grab_type != XIGrabtypeGesturePinchBegin &&
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stuff->grab_type != XIGrabtypeGestureSwipeBegin) {
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client->errorValue = stuff->grab_type;
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return BadValue;
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}
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if ((stuff->grab_type == XIGrabtypeEnter ||
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stuff->grab_type == XIGrabtypeFocusIn ||
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stuff->grab_type == XIGrabtypeTouchBegin) && stuff->detail != 0) {
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client->errorValue = stuff->detail;
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return BadValue;
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}
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/* We don't allow passive grabs for details > 255 anyway */
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if (stuff->detail > 255) {
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client->errorValue = stuff->detail;
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return BadValue;
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}
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rc = dixLookupWindow(&win, stuff->grab_window, client, DixSetAttrAccess);
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if (rc != Success)
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return rc;
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mod_dev = (IsFloating(dev)) ? dev : GetMaster(dev, MASTER_KEYBOARD);
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tempGrab = AllocGrab(NULL);
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if (!tempGrab)
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return BadAlloc;
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tempGrab->resource = client->clientAsMask;
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tempGrab->device = dev;
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tempGrab->window = win;
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switch (stuff->grab_type) {
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case XIGrabtypeButton:
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tempGrab->type = XI_ButtonPress;
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break;
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case XIGrabtypeKeycode:
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tempGrab->type = XI_KeyPress;
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break;
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case XIGrabtypeEnter:
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tempGrab->type = XI_Enter;
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break;
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case XIGrabtypeFocusIn:
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tempGrab->type = XI_FocusIn;
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break;
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case XIGrabtypeTouchBegin:
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tempGrab->type = XI_TouchBegin;
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break;
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case XIGrabtypeGesturePinchBegin:
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tempGrab->type = XI_GesturePinchBegin;
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break;
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case XIGrabtypeGestureSwipeBegin:
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tempGrab->type = XI_GestureSwipeBegin;
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break;
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}
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tempGrab->grabtype = XI2;
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tempGrab->modifierDevice = mod_dev;
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tempGrab->modifiersDetail.pMask = NULL;
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tempGrab->detail.exact = stuff->detail;
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tempGrab->detail.pMask = NULL;
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modifiers = (uint32_t *) &stuff[1];
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for (i = 0; i < stuff->num_modifiers; i++, modifiers++) {
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tempGrab->modifiersDetail.exact = *modifiers;
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DeletePassiveGrabFromList(tempGrab);
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}
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FreeGrab(tempGrab);
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return Success;
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}
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