diff options
Diffstat (limited to 'xorg-server/Xi/exevents.c')
| -rw-r--r-- | xorg-server/Xi/exevents.c | 4356 |
1 files changed, 2178 insertions, 2178 deletions
diff --git a/xorg-server/Xi/exevents.c b/xorg-server/Xi/exevents.c index 949efe77f..97ad6fdd2 100644 --- a/xorg-server/Xi/exevents.c +++ b/xorg-server/Xi/exevents.c @@ -1,2178 +1,2178 @@ -/************************************************************ - -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. - -********************************************************/ - -/******************************************************************** - * - * Routines to register and initialize extension input devices. - * This also contains ProcessOtherEvent, the routine called from DDX - * to route extension events. - * - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include "inputstr.h" -#include <X11/X.h> -#include <X11/Xproto.h> -#include <X11/extensions/XI.h> -#include <X11/extensions/XIproto.h> -#include <X11/extensions/XI2proto.h> -#include <X11/extensions/geproto.h> -#include "windowstr.h" -#include "miscstruct.h" -#include "region.h" -#include "exevents.h" -#include "extnsionst.h" -#include "exglobals.h" -#include "dixevents.h" /* DeliverFocusedEvent */ -#include "dixgrabs.h" /* CreateGrab() */ -#include "scrnintstr.h" -#include "listdev.h" /* for CopySwapXXXClass */ -#include "xace.h" -#include "xiquerydevice.h" /* For List*Info */ -#include "eventconvert.h" -#include "eventstr.h" - -#include <X11/extensions/XKBproto.h> -#include "xkbsrv.h" - -#define WID(w) ((w) ? ((w)->drawable.id) : 0) -#define AllModifiersMask ( \ - ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | \ - Mod3Mask | Mod4Mask | Mod5Mask ) -#define AllButtonsMask ( \ - Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask ) - -Bool ShouldFreeInputMasks(WindowPtr /* pWin */ , - Bool /* ignoreSelectedEvents */ - ); -static Bool MakeInputMasks(WindowPtr /* pWin */ - ); - -/* - * Only let the given client know of core events which will affect its - * interpretation of input events, if the client's ClientPointer (or the - * paired keyboard) is the current device. - */ -int -XIShouldNotify(ClientPtr client, DeviceIntPtr dev) -{ - DeviceIntPtr current_ptr = PickPointer(client); - DeviceIntPtr current_kbd = GetPairedDevice(current_ptr); - - if (dev == current_kbd || dev == current_ptr) - return 1; - - return 0; -} - -void -RegisterOtherDevice(DeviceIntPtr device) -{ - device->public.processInputProc = ProcessOtherEvent; - device->public.realInputProc = ProcessOtherEvent; -} - -Bool -IsPointerEvent(InternalEvent* event) -{ - switch(event->any.type) - { - case ET_ButtonPress: - case ET_ButtonRelease: - case ET_Motion: - /* XXX: enter/leave ?? */ - return TRUE; - default: - break; - } - return FALSE; -} - -/** - * @return the device matching the deviceid of the device set in the event, or - * NULL if the event is not an XInput event. - */ -DeviceIntPtr -XIGetDevice(xEvent* xE) -{ - DeviceIntPtr pDev = NULL; - - if (xE->u.u.type == DeviceButtonPress || - xE->u.u.type == DeviceButtonRelease || - xE->u.u.type == DeviceMotionNotify || - xE->u.u.type == ProximityIn || - xE->u.u.type == ProximityOut || - xE->u.u.type == DevicePropertyNotify) - { - int rc; - int id; - - id = ((deviceKeyButtonPointer*)xE)->deviceid & ~MORE_EVENTS; - - rc = dixLookupDevice(&pDev, id, serverClient, DixUnknownAccess); - if (rc != Success) - ErrorF("[dix] XIGetDevice failed on XACE restrictions (%d)\n", rc); - } - return pDev; -} - - -/** - * Copy the device->key into master->key and send a mapping notify to the - * clients if appropriate. - * master->key needs to be allocated by the caller. - * - * Device is the slave device. If it is attached to a master device, we may - * need to send a mapping notify to the client because it causes the MD - * to change state. - * - * Mapping notify needs to be sent in the following cases: - * - different slave device on same master - * - different master - * - * XXX: They way how the code is we also send a map notify if the slave device - * stays the same, but the master changes. This isn't really necessary though. - * - * XXX: this gives you funny behaviour with the ClientPointer. When a - * MappingNotify is sent to the client, the client usually responds with a - * GetKeyboardMapping. This will retrieve the ClientPointer's keyboard - * mapping, regardless of which keyboard sent the last mapping notify request. - * So depending on the CP setting, your keyboard may change layout in each - * app... - * - * This code is basically the old SwitchCoreKeyboard. - */ - -void -CopyKeyClass(DeviceIntPtr device, DeviceIntPtr master) -{ - KeyClassPtr mk = master->key; - KeyClassPtr dk = device->key; - int i; - - if (device == master) - return; - - mk->sourceid = device->id; - - for (i = 0; i < 8; i++) - mk->modifierKeyCount[i] = dk->modifierKeyCount[i]; - - if (!XkbCopyDeviceKeymap(master, device)) - FatalError("Couldn't pivot keymap from device to core!\n"); -} - -/** - * Copies the feedback classes from device "from" into device "to". Classes - * are duplicated (not just flipping the pointers). All feedback classes are - * linked lists, the full list is duplicated. - */ -static void -DeepCopyFeedbackClasses(DeviceIntPtr from, DeviceIntPtr to) -{ - ClassesPtr classes; - - - if (from->intfeed) - { - IntegerFeedbackPtr *i, it; - - if (!to->intfeed) - { - classes = to->unused_classes; - to->intfeed = classes->intfeed; - } - - i = &to->intfeed; - for (it = from->intfeed; it; it = it->next) - { - if (!(*i)) - { - *i = xcalloc(1, sizeof(IntegerFeedbackClassRec)); - if (!(*i)) - { - ErrorF("[Xi] Cannot alloc memory for class copy."); - return; - } - } - (*i)->CtrlProc = it->CtrlProc; - (*i)->ctrl = it->ctrl; - - i = &(*i)->next; - } - } else if (to->intfeed && !from->intfeed) - { - ClassesPtr classes; - classes = to->unused_classes; - classes->intfeed = to->intfeed; - to->intfeed = NULL; - } - - if (from->stringfeed) - { - StringFeedbackPtr *s, it; - - if (!to->stringfeed) - { - classes = to->unused_classes; - to->stringfeed = classes->stringfeed; - } - - s = &to->stringfeed; - for (it = from->stringfeed; it; it = it->next) - { - if (!(*s)) - { - *s = xcalloc(1, sizeof(StringFeedbackClassRec)); - if (!(*s)) - { - ErrorF("[Xi] Cannot alloc memory for class copy."); - return; - } - } - (*s)->CtrlProc = it->CtrlProc; - (*s)->ctrl = it->ctrl; - - s = &(*s)->next; - } - } else if (to->stringfeed && !from->stringfeed) - { - ClassesPtr classes; - classes = to->unused_classes; - classes->stringfeed = to->stringfeed; - to->stringfeed = NULL; - } - - if (from->bell) - { - BellFeedbackPtr *b, it; - - if (!to->bell) - { - classes = to->unused_classes; - to->bell = classes->bell; - } - - b = &to->bell; - for (it = from->bell; it; it = it->next) - { - if (!(*b)) - { - *b = xcalloc(1, sizeof(BellFeedbackClassRec)); - if (!(*b)) - { - ErrorF("[Xi] Cannot alloc memory for class copy."); - return; - } - } - (*b)->BellProc = it->BellProc; - (*b)->CtrlProc = it->CtrlProc; - (*b)->ctrl = it->ctrl; - - b = &(*b)->next; - } - } else if (to->bell && !from->bell) - { - ClassesPtr classes; - classes = to->unused_classes; - classes->bell = to->bell; - to->bell = NULL; - } - - if (from->leds) - { - LedFeedbackPtr *l, it; - - if (!to->leds) - { - classes = to->unused_classes; - to->leds = classes->leds; - } - - l = &to->leds; - for (it = from->leds; it; it = it->next) - { - if (!(*l)) - { - *l = xcalloc(1, sizeof(LedFeedbackClassRec)); - if (!(*l)) - { - ErrorF("[Xi] Cannot alloc memory for class copy."); - return; - } - } - (*l)->CtrlProc = it->CtrlProc; - (*l)->ctrl = it->ctrl; - if ((*l)->xkb_sli) - XkbFreeSrvLedInfo((*l)->xkb_sli); - (*l)->xkb_sli = XkbCopySrvLedInfo(from, it->xkb_sli, NULL, *l); - - l = &(*l)->next; - } - } else if (to->leds && !from->leds) - { - ClassesPtr classes; - classes = to->unused_classes; - classes->leds = to->leds; - to->leds = NULL; - } -} - -static void -DeepCopyKeyboardClasses(DeviceIntPtr from, DeviceIntPtr to) -{ - ClassesPtr classes; - - /* XkbInitDevice (->XkbInitIndicatorMap->XkbFindSrvLedInfo) relies on the - * kbdfeed to be set up properly, so let's do the feedback classes first. - */ - if (from->kbdfeed) - { - KbdFeedbackPtr *k, it; - - if (!to->kbdfeed) - { - classes = to->unused_classes; - - to->kbdfeed = classes->kbdfeed; - if (!to->kbdfeed) - InitKeyboardDeviceStruct(to, NULL, NULL, NULL); - } - - k = &to->kbdfeed; - for(it = from->kbdfeed; it; it = it->next) - { - if (!(*k)) - { - *k = xcalloc(1, sizeof(KbdFeedbackClassRec)); - if (!*k) - { - ErrorF("[Xi] Cannot alloc memory for class copy."); - return; - } - } - (*k)->BellProc = it->BellProc; - (*k)->CtrlProc = it->CtrlProc; - (*k)->ctrl = it->ctrl; - if ((*k)->xkb_sli) - XkbFreeSrvLedInfo((*k)->xkb_sli); - (*k)->xkb_sli = XkbCopySrvLedInfo(from, it->xkb_sli, *k, NULL); - - k = &(*k)->next; - } - } else if (to->kbdfeed && !from->kbdfeed) - { - ClassesPtr classes; - classes = to->unused_classes; - classes->kbdfeed = to->kbdfeed; - to->kbdfeed = NULL; - } - - if (from->key) - { - if (!to->key) - { - classes = to->unused_classes; - to->key = classes->key; - if (!to->key) - InitKeyboardDeviceStruct(to, NULL, NULL, NULL); - else - classes->key = NULL; - } - - CopyKeyClass(from, to); - } else if (to->key && !from->key) - { - ClassesPtr classes; - classes = to->unused_classes; - classes->key = to->key; - to->key = NULL; - } - - /* If a SrvLedInfoPtr's flags are XkbSLI_IsDefault, the names and maps - * pointer point into the xkbInfo->desc struct. XkbCopySrvLedInfo - * didn't update the pointers so we need to do it manually here. - */ - if (to->kbdfeed) - { - KbdFeedbackPtr k; - - for (k = to->kbdfeed; k; k = k->next) - { - if (!k->xkb_sli) - continue; - if (k->xkb_sli->flags & XkbSLI_IsDefault) - { - k->xkb_sli->names = to->key->xkbInfo->desc->names->indicators; - k->xkb_sli->maps = to->key->xkbInfo->desc->indicators->maps; - } - } - } - - /* We can't just copy over the focus class. When an app sets the focus, - * it'll do so on the master device. Copying the SDs focus means losing - * the focus. - * So we only copy the focus class if the device didn't have one, - * otherwise we leave it as it is. - */ - if (from->focus) - { - if (!to->focus) - { - WindowPtr *oldTrace; - - classes = to->unused_classes; - to->focus = classes->focus; - if (!to->focus) - { - to->focus = xcalloc(1, sizeof(FocusClassRec)); - if (!to->focus) - FatalError("[Xi] no memory for class shift.\n"); - } else - classes->focus = NULL; - - oldTrace = to->focus->trace; - memcpy(to->focus, from->focus, sizeof(FocusClassRec)); - to->focus->trace = xrealloc(oldTrace, - to->focus->traceSize * sizeof(WindowPtr)); - if (!to->focus->trace && to->focus->traceSize) - FatalError("[Xi] no memory for trace.\n"); - memcpy(to->focus->trace, from->focus->trace, - from->focus->traceSize * sizeof(WindowPtr)); - to->focus->sourceid = from->id; - } - } else if (to->focus) - { - ClassesPtr classes; - classes = to->unused_classes; - classes->focus = to->focus; - to->focus = NULL; - } - -} - -static void -DeepCopyPointerClasses(DeviceIntPtr from, DeviceIntPtr to) -{ - ClassesPtr classes; - - /* Feedback classes must be copied first */ - if (from->ptrfeed) - { - PtrFeedbackPtr *p, it; - if (!to->ptrfeed) - { - classes = to->unused_classes; - to->ptrfeed = classes->ptrfeed; - } - - p = &to->ptrfeed; - for (it = from->ptrfeed; it; it = it->next) - { - if (!(*p)) - { - *p = xcalloc(1, sizeof(PtrFeedbackClassRec)); - if (!*p) - { - ErrorF("[Xi] Cannot alloc memory for class copy."); - return; - } - } - (*p)->CtrlProc = it->CtrlProc; - (*p)->ctrl = it->ctrl; - - p = &(*p)->next; - } - } else if (to->ptrfeed && !from->ptrfeed) - { - ClassesPtr classes; - classes = to->unused_classes; - classes->ptrfeed = to->ptrfeed; - to->ptrfeed = NULL; - } - - if (from->valuator) - { - ValuatorClassPtr v; - if (!to->valuator) - { - classes = to->unused_classes; - to->valuator = classes->valuator; - if (to->valuator) - classes->valuator = NULL; - } - - to->valuator = xrealloc(to->valuator, sizeof(ValuatorClassRec) + - from->valuator->numAxes * sizeof(AxisInfo) + - from->valuator->numAxes * sizeof(double)); - v = to->valuator; - if (!v) - FatalError("[Xi] no memory for class shift.\n"); - - v->numAxes = from->valuator->numAxes; - v->axes = (AxisInfoPtr)&v[1]; - memcpy(v->axes, from->valuator->axes, v->numAxes * sizeof(AxisInfo)); - - v->axisVal = (double*)(v->axes + from->valuator->numAxes); - v->sourceid = from->id; - v->mode = from->valuator->mode; - } else if (to->valuator && !from->valuator) - { - ClassesPtr classes; - classes = to->unused_classes; - classes->valuator = to->valuator; - to->valuator = NULL; - } - - if (from->button) - { - if (!to->button) - { - classes = to->unused_classes; - to->button = classes->button; - if (!to->button) - { - to->button = xcalloc(1, sizeof(ButtonClassRec)); - if (!to->button) - FatalError("[Xi] no memory for class shift.\n"); - } else - classes->button = NULL; - } - - if (from->button->xkb_acts) - { - if (!to->button->xkb_acts) - { - to->button->xkb_acts = xcalloc(1, sizeof(XkbAction)); - if (!to->button->xkb_acts) - FatalError("[Xi] not enough memory for xkb_acts.\n"); - } - memcpy(to->button->xkb_acts, from->button->xkb_acts, - sizeof(XkbAction)); - } else - xfree(to->button->xkb_acts); - - memcpy(to->button->labels, from->button->labels, - from->button->numButtons * sizeof(Atom)); - to->button->sourceid = from->id; - } else if (to->button && !from->button) - { - ClassesPtr classes; - classes = to->unused_classes; - classes->button = to->button; - to->button = NULL; - } - - if (from->proximity) - { - if (!to->proximity) - { - classes = to->unused_classes; - to->proximity = classes->proximity; - if (!to->proximity) - { - to->proximity = xcalloc(1, sizeof(ProximityClassRec)); - if (!to->proximity) - FatalError("[Xi] no memory for class shift.\n"); - } else - classes->proximity = NULL; - } - memcpy(to->proximity, from->proximity, sizeof(ProximityClassRec)); - to->proximity->sourceid = from->id; - } else if (to->proximity) - { - ClassesPtr classes; - classes = to->unused_classes; - classes->proximity = to->proximity; - to->proximity = NULL; - } - - if (from->absolute) - { - if (!to->absolute) - { - classes = to->unused_classes; - to->absolute = classes->absolute; - if (!to->absolute) - { - to->absolute = xcalloc(1, sizeof(AbsoluteClassRec)); - if (!to->absolute) - FatalError("[Xi] no memory for class shift.\n"); - } else - classes->absolute = NULL; - } - memcpy(to->absolute, from->absolute, sizeof(AbsoluteClassRec)); - to->absolute->sourceid = from->id; - } else if (to->absolute) - { - ClassesPtr classes; - classes = to->unused_classes; - classes->absolute = to->absolute; - to->absolute = NULL; - } -} - -/** - * Copies the CONTENT of the classes of device from into the classes in device - * to. From and to are identical after finishing. - * - * If to does not have classes from currenly has, the classes are stored in - * to's devPrivates system. Later, we recover it again from there if needed. - * Saves a few memory allocations. - */ -void -DeepCopyDeviceClasses(DeviceIntPtr from, DeviceIntPtr to, DeviceChangedEvent *dce) -{ - /* generic feedback classes, not tied to pointer and/or keyboard */ - DeepCopyFeedbackClasses(from, to); - - if ((dce->flags & DEVCHANGE_KEYBOARD_EVENT)) - DeepCopyKeyboardClasses(from, to); - if ((dce->flags & DEVCHANGE_POINTER_EVENT)) - DeepCopyPointerClasses(from, to); -} - - -/** - * Send an XI2 DeviceChangedEvent to all interested clients. - */ -void -XISendDeviceChangedEvent(DeviceIntPtr device, DeviceIntPtr master, DeviceChangedEvent *dce) -{ - xXIDeviceChangedEvent *dcce; - int rc; - - rc = EventToXI2((InternalEvent*)dce, (xEvent**)&dcce); - if (rc != Success) - { - ErrorF("[Xi] event conversion from DCE failed with code %d\n", rc); - return; - } - - /* we don't actually swap if there's a NullClient, swapping is done - * later when event is delivered. */ - SendEventToAllWindows(master, XI_DeviceChangedMask, (xEvent*)dcce, 1); - xfree(dcce); -} - -static void -ChangeMasterDeviceClasses(DeviceIntPtr device, DeviceChangedEvent *dce) -{ - DeviceIntPtr slave; - int rc; - - /* For now, we don't have devices that change physically. */ - if (!IsMaster(device)) - return; - - rc = dixLookupDevice(&slave, dce->sourceid, serverClient, DixReadAccess); - - if (rc != Success) - return; /* Device has disappeared */ - - if (!slave->u.master) - return; /* set floating since the event */ - - if (slave->u.master->id != dce->masterid) - return; /* not our slave anymore, don't care */ - - /* FIXME: we probably need to send a DCE for the new slave now */ - - device->public.devicePrivate = slave->public.devicePrivate; - - /* FIXME: the classes may have changed since we generated the event. */ - DeepCopyDeviceClasses(slave, device, dce); - XISendDeviceChangedEvent(slave, device, dce); -} - -/** - * Update the device state according to the data in the event. - * - * return values are - * DEFAULT ... process as normal - * DONT_PROCESS ... return immediately from caller - */ -#define DEFAULT 0 -#define DONT_PROCESS 1 -int -UpdateDeviceState(DeviceIntPtr device, DeviceEvent* event) -{ - int i; - int key = 0, - bit = 0, - last_valuator; - - KeyClassPtr k = NULL; - ButtonClassPtr b = NULL; - ValuatorClassPtr v = NULL; - BYTE *kptr = NULL; - - /* This event is always the first we get, before the actual events with - * the data. However, the way how the DDX is set up, "device" will - * actually be the slave device that caused the event. - */ - switch(event->type) - { - case ET_DeviceChanged: - ChangeMasterDeviceClasses(device, (DeviceChangedEvent*)event); - return DONT_PROCESS; /* event has been sent already */ - case ET_Motion: - case ET_ButtonPress: - case ET_ButtonRelease: - case ET_KeyPress: - case ET_KeyRelease: - case ET_ProximityIn: - case ET_ProximityOut: - break; - default: - /* other events don't update the device */ - return DEFAULT; - } - - k = device->key; - v = device->valuator; - b = device->button; - - key = event->detail.key; - bit = 1 << (key & 7); - - /* Update device axis */ - /* Check valuators first */ - last_valuator = -1; - for (i = 0; i < MAX_VALUATORS; i++) - { - if (BitIsOn(&event->valuators.mask, i)) - { - if (!v) - { - ErrorF("[Xi] Valuators reported for non-valuator device '%s'. " - "Ignoring event.\n", device->name); - return DONT_PROCESS; - } else if (v->numAxes < i) - { - ErrorF("[Xi] Too many valuators reported for device '%s'. " - "Ignoring event.\n", device->name); - return DONT_PROCESS; - } - last_valuator = i; - } - } - - for (i = 0; i <= last_valuator && i < v->numAxes; i++) - { - if (BitIsOn(&event->valuators.mask, i)) - { - /* XXX: Relative/Absolute mode */ - v->axisVal[i] = event->valuators.data[i]; - v->axisVal[i] += (event->valuators.data_frac[i] * 1.0f / (1 << 16) / (1 << 16)); - } - } - - if (event->type == ET_KeyPress) { - if (!k) - return DONT_PROCESS; - - kptr = &k->down[key >> 3]; - /* don't allow ddx to generate multiple downs, but repeats are okay */ - if ((*kptr & bit) && !event->key_repeat) - return DONT_PROCESS; - if (device->valuator) - device->valuator->motionHintWindow = NullWindow; - *kptr |= bit; - } else if (event->type == ET_KeyRelease) { - if (!k) - return DONT_PROCESS; - - kptr = &k->down[key >> 3]; - if (!(*kptr & bit)) /* guard against duplicates */ - return DONT_PROCESS; - if (device->valuator) - device->valuator->motionHintWindow = NullWindow; - *kptr &= ~bit; - } else if (event->type == ET_ButtonPress) { - Mask mask; - if (!b) - return DONT_PROCESS; - - kptr = &b->down[key >> 3]; - if ((*kptr & bit) != 0) - return DONT_PROCESS; - *kptr |= bit; - if (device->valuator) - device->valuator->motionHintWindow = NullWindow; - if (!b->map[key]) - return DONT_PROCESS; - b->buttonsDown++; - b->motionMask = DeviceButtonMotionMask; - if (b->map[key] <= 5) - b->state |= (Button1Mask >> 1) << b->map[key]; - - /* Add state and motionMask to the filter for this event */ - mask = DevicePointerMotionMask | b->state | b->motionMask; - SetMaskForEvent(device->id, mask, DeviceMotionNotify); - mask = PointerMotionMask | b->state | b->motionMask; - SetMaskForEvent(device->id, mask, MotionNotify); - } else if (event->type == ET_ButtonRelease) { - Mask mask; - if (!b) - return DONT_PROCESS; - - kptr = &b->down[key>>3]; - if (!(*kptr & bit)) - return DONT_PROCESS; - if (IsMaster(device)) { - DeviceIntPtr sd; - - /* - * Leave the button down if any slave has the - * button still down. Note that this depends on the - * event being delivered through the slave first - */ - for (sd = inputInfo.devices; sd; sd = sd->next) { - if (IsMaster(sd) || sd->u.master != device) - continue; - if (!sd->button) - continue; - if ((sd->button->down[key>>3] & bit) != 0) - return DONT_PROCESS; - } - } - *kptr &= ~bit; - if (device->valuator) - device->valuator->motionHintWindow = NullWindow; - if (!b->map[key]) - return DONT_PROCESS; - if (b->buttonsDown >= 1 && !--b->buttonsDown) - b->motionMask = 0; - if (b->map[key] <= 5) - b->state &= ~((Button1Mask >> 1) << b->map[key]); - - /* Add state and motionMask to the filter for this event */ - mask = DevicePointerMotionMask | b->state | b->motionMask; - SetMaskForEvent(device->id, mask, DeviceMotionNotify); - mask = PointerMotionMask | b->state | b->motionMask; - SetMaskForEvent(device->id, mask, MotionNotify); - } else if (event->type == ET_ProximityIn) - device->valuator->mode &= ~OutOfProximity; - else if (event->type == ET_ProximityOut) - device->valuator->mode |= OutOfProximity; - - return DEFAULT; -} - -static void -ProcessRawEvent(RawDeviceEvent *ev, DeviceIntPtr device) -{ - GrabPtr grab = device->deviceGrab.grab; - - if (grab) - DeliverGrabbedEvent((InternalEvent*)ev, device, FALSE); - else { /* deliver to all root windows */ - xEvent *xi; - int i; - - i = EventToXI2((InternalEvent*)ev, (xEvent**)&xi); - if (i != Success) - { - ErrorF("[Xi] %s: XI2 conversion failed in ProcessRawEvent (%d)\n", - device->name, i); - return; - } - - for (i = 0; i < screenInfo.numScreens; i++) - DeliverEventsToWindow(device, WindowTable[i], xi, 1, - GetEventFilter(device, xi), NULL); - xfree(xi); - } -} - -/** - * Main device event processing function. - * Called from when processing the events from the event queue. - * - */ -void -ProcessOtherEvent(InternalEvent *ev, DeviceIntPtr device) -{ - GrabPtr grab; - Bool deactivateDeviceGrab = FALSE; - int key = 0, rootX, rootY; - ButtonClassPtr b; - KeyClassPtr k; - ValuatorClassPtr v; - int ret = 0; - int state, i; - DeviceIntPtr mouse = NULL, kbd = NULL; - DeviceEvent *event = &ev->device_event; - - CHECKEVENT(ev); - - if (ev->any.type == ET_RawKeyPress || - ev->any.type == ET_RawKeyRelease || - ev->any.type == ET_RawButtonPress || - ev->any.type == ET_RawButtonRelease || - ev->any.type == ET_RawMotion) - { - ProcessRawEvent(&ev->raw_event, device); - return; - } - - if (IsPointerDevice(device)) - { - kbd = GetPairedDevice(device); - mouse = device; - if (!kbd->key) /* can happen with floating SDs */ - kbd = NULL; - } else - { - mouse = GetPairedDevice(device); - kbd = device; - if (!mouse->valuator || !mouse->button) /* may be float. SDs */ - mouse = NULL; - } - - /* State needs to be assembled BEFORE the device is updated. */ - state = (kbd && kbd->key) ? XkbStateFieldFromRec(&kbd->key->xkbInfo->state) : 0; - state |= (mouse && mouse->button) ? (mouse->button->state) : 0; - - for (i = 0; mouse && mouse->button && i < mouse->button->numButtons; i++) - if (BitIsOn(mouse->button->down, i)) - SetBit(event->buttons, i); - - if (kbd && kbd->key) - { - XkbStatePtr state; - /* we need the state before the event happens */ - if (event->type == ET_KeyPress || event->type == ET_KeyRelease) - state = &kbd->key->xkbInfo->prev_state; - else - state = &kbd->key->xkbInfo->state; - - event->mods.base = state->base_mods; - event->mods.latched = state->latched_mods; - event->mods.locked = state->locked_mods; - event->mods.effective = state->mods; - - event->group.base = state->base_group; - event->group.latched = state->latched_group; - event->group.locked = state->locked_group; - event->group.effective = state->group; - } - - ret = UpdateDeviceState(device, event); - if (ret == DONT_PROCESS) - return; - - v = device->valuator; - b = device->button; - k = device->key; - - if (IsMaster(device) || !device->u.master) - CheckMotion(event, device); - - switch (event->type) - { - case ET_Motion: - case ET_ButtonPress: - case ET_ButtonRelease: - case ET_KeyPress: - case ET_KeyRelease: - case ET_ProximityIn: - case ET_ProximityOut: - GetSpritePosition(device, &rootX, &rootY); - event->root_x = rootX; - event->root_y = rootY; - NoticeEventTime((InternalEvent*)event); - event->corestate = state; - key = event->detail.key; - break; - default: - break; - } - - if (DeviceEventCallback && !syncEvents.playingEvents) { - DeviceEventInfoRec eventinfo; - SpritePtr pSprite = device->spriteInfo->sprite; - - /* see comment in EnqueueEvents regarding the next three lines */ - if (ev->any.type == ET_Motion) - ev->device_event.root = WindowTable[pSprite->hotPhys.pScreen->myNum]->drawable.id; - - eventinfo.device = device; - eventinfo.event = ev; - CallCallbacks(&DeviceEventCallback, (pointer) & eventinfo); - } - - grab = device->deviceGrab.grab; - - switch(event->type) - { - case ET_KeyPress: - if (!grab && CheckDeviceGrabs(device, event, 0)) { - device->deviceGrab.activatingKey = key; - return; - } - break; - case ET_KeyRelease: - if (grab && device->deviceGrab.fromPassiveGrab && - (key == device->deviceGrab.activatingKey) && - (device->deviceGrab.grab->type == KeyPress || - device->deviceGrab.grab->type == DeviceKeyPress || - device->deviceGrab.grab->type == XI_KeyPress)) - deactivateDeviceGrab = TRUE; - break; - case ET_ButtonPress: - event->detail.button = b->map[key]; - if (!event->detail.button) { /* there's no button 0 */ - event->detail.button = key; - return; - } - if (!grab && CheckDeviceGrabs(device, event, 0)) - { - /* if a passive grab was activated, the event has been sent - * already */ - return; - } - break; - case ET_ButtonRelease: - event->detail.button = b->map[key]; - if (!event->detail.button) { /* there's no button 0 */ - event->detail.button = key; - return; - } - if (grab && !b->buttonsDown && - device->deviceGrab.fromPassiveGrab && - (device->deviceGrab.grab->type == ButtonPress || - device->deviceGrab.grab->type == DeviceButtonPress || - device->deviceGrab.grab->type == XI_ButtonPress)) - deactivateDeviceGrab = TRUE; - default: - break; - } - - - if (grab) - DeliverGrabbedEvent((InternalEvent*)event, device, deactivateDeviceGrab); - else if (device->focus && !IsPointerEvent((InternalEvent*)ev)) - DeliverFocusedEvent(device, (InternalEvent*)event, - GetSpriteWindow(device)); - else - DeliverDeviceEvents(GetSpriteWindow(device), (InternalEvent*)event, - NullGrab, NullWindow, device); - - if (deactivateDeviceGrab == TRUE) - (*device->deviceGrab.DeactivateGrab) (device); - event->detail.key = key; -} - -int -InitProximityClassDeviceStruct(DeviceIntPtr dev) -{ - ProximityClassPtr proxc; - - proxc = (ProximityClassPtr) xalloc(sizeof(ProximityClassRec)); - if (!proxc) - return FALSE; - proxc->sourceid = dev->id; - dev->proximity = proxc; - return TRUE; -} - -/** - * Initialise the device's valuators. The memory must already be allocated, - * this function merely inits the matching axis (specified through axnum) to - * sane values. - * - * It is a condition that (minval < maxval). - * - * @see InitValuatorClassDeviceStruct - */ -void -InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, Atom label, int minval, int maxval, - int resolution, int min_res, int max_res) -{ - AxisInfoPtr ax; - - if (!dev || !dev->valuator || minval > maxval) - return; - if (axnum >= dev->valuator->numAxes) - return; - - ax = dev->valuator->axes + axnum; - - ax->min_value = minval; - ax->max_value = maxval; - ax->resolution = resolution; - ax->min_resolution = min_res; - ax->max_resolution = max_res; - ax->label = label; -} - -static void -FixDeviceStateNotify(DeviceIntPtr dev, deviceStateNotify * ev, KeyClassPtr k, - ButtonClassPtr b, ValuatorClassPtr v, int first) -{ - ev->type = DeviceStateNotify; - ev->deviceid = dev->id; - ev->time = currentTime.milliseconds; - ev->classes_reported = 0; - ev->num_keys = 0; - ev->num_buttons = 0; - ev->num_valuators = 0; - - if (b) { - ev->classes_reported |= (1 << ButtonClass); - ev->num_buttons = b->numButtons; - memcpy((char*)ev->buttons, (char*)b->down, 4); - } else if (k) { - ev->classes_reported |= (1 << KeyClass); - ev->num_keys = k->xkbInfo->desc->max_key_code - - k->xkbInfo->desc->min_key_code; - memmove((char *)&ev->keys[0], (char *)k->down, 4); - } - if (v) { - int nval = v->numAxes - first; - - ev->classes_reported |= (1 << ValuatorClass); - ev->classes_reported |= (dev->valuator->mode << ModeBitsShift); - ev->num_valuators = nval < 3 ? nval : 3; - switch (ev->num_valuators) { - case 3: - ev->valuator2 = v->axisVal[first + 2]; - case 2: - ev->valuator1 = v->axisVal[first + 1]; - case 1: - ev->valuator0 = v->axisVal[first]; - break; - } - } -} - -static void -FixDeviceValuator(DeviceIntPtr dev, deviceValuator * ev, ValuatorClassPtr v, - int first) -{ - int nval = v->numAxes - first; - - ev->type = DeviceValuator; - ev->deviceid = dev->id; - ev->num_valuators = nval < 3 ? nval : 3; - ev->first_valuator = first; - switch (ev->num_valuators) { - case 3: - ev->valuator2 = v->axisVal[first + 2]; - case 2: - ev->valuator1 = v->axisVal[first + 1]; - case 1: - ev->valuator0 = v->axisVal[first]; - break; - } - first += ev->num_valuators; -} - -void -DeviceFocusEvent(DeviceIntPtr dev, int type, int mode, int detail, - WindowPtr pWin) -{ - deviceFocus event; - xXIFocusInEvent *xi2event; - DeviceIntPtr mouse; - int btlen, len, i; - - mouse = (IsMaster(dev) || dev->u.master) ? GetMaster(dev, MASTER_POINTER) : dev; - - /* XI 2 event */ - btlen = (mouse->button) ? bits_to_bytes(mouse->button->numButtons) : 0; - btlen = bytes_to_int32(btlen); - len = sizeof(xXIFocusInEvent) + btlen * 4; - - xi2event = xcalloc(1, len); - xi2event->type = GenericEvent; - xi2event->extension = IReqCode; - xi2event->evtype = type; - xi2event->length = bytes_to_int32(len - sizeof(xEvent)); - xi2event->buttons_len = btlen; - xi2event->detail = detail; - xi2event->time = currentTime.milliseconds; - xi2event->deviceid = dev->id; - xi2event->sourceid = dev->id; /* a device doesn't change focus by itself */ - xi2event->mode = mode; - xi2event->root_x = FP1616(mouse->spriteInfo->sprite->hot.x, 0); - xi2event->root_y = FP1616(mouse->spriteInfo->sprite->hot.y, 0); - - for (i = 0; mouse && mouse->button && i < mouse->button->numButtons; i++) - if (BitIsOn(mouse->button->down, i)) - SetBit(&xi2event[1], i); - - if (dev->key) - { - xi2event->mods.base_mods = dev->key->xkbInfo->state.base_mods; - xi2event->mods.latched_mods = dev->key->xkbInfo->state.latched_mods; - xi2event->mods.locked_mods = dev->key->xkbInfo->state.locked_mods; - xi2event->mods.effective_mods = dev->key->xkbInfo->state.mods; - - xi2event->group.base_group = dev->key->xkbInfo->state.base_group; - xi2event->group.latched_group = dev->key->xkbInfo->state.latched_group; - xi2event->group.locked_group = dev->key->xkbInfo->state.locked_group; - xi2event->group.effective_group = dev->key->xkbInfo->state.group; - } - - FixUpEventFromWindow(dev, (xEvent*)xi2event, pWin, None, FALSE); - - DeliverEventsToWindow(dev, pWin, (xEvent*)xi2event, 1, - GetEventFilter(dev, (xEvent*)xi2event), NullGrab); - - xfree(xi2event); - - /* XI 1.x event */ - event.deviceid = dev->id; - event.mode = mode; - event.type = (type == XI_FocusIn) ? DeviceFocusIn : DeviceFocusOut; - event.detail = detail; - event.window = pWin->drawable.id; - event.time = currentTime.milliseconds; - - DeliverEventsToWindow(dev, pWin, (xEvent *) & event, 1, - DeviceFocusChangeMask, NullGrab); - - if ((type == DeviceFocusIn) && - (wOtherInputMasks(pWin)) && - (wOtherInputMasks(pWin)->inputEvents[dev->id] & DeviceStateNotifyMask)) - { - int evcount = 1; - deviceStateNotify *ev, *sev; - deviceKeyStateNotify *kev; - deviceButtonStateNotify *bev; - - KeyClassPtr k; - ButtonClassPtr b; - ValuatorClassPtr v; - int nval = 0, nkeys = 0, nbuttons = 0, first = 0; - - if ((b = dev->button) != NULL) { - nbuttons = b->numButtons; - if (nbuttons > 32) - evcount++; - } - if ((k = dev->key) != NULL) { - nkeys = k->xkbInfo->desc->max_key_code - - k->xkbInfo->desc->min_key_code; - if (nkeys > 32) - evcount++; - if (nbuttons > 0) { - evcount++; - } - } - if ((v = dev->valuator) != NULL) { - nval = v->numAxes; - - if (nval > 3) - evcount++; - if (nval > 6) { - if (!(k && b)) - evcount++; - if (nval > 9) - evcount += ((nval - 7) / 3); - } - } - - sev = ev = (deviceStateNotify *) xalloc(evcount * sizeof(xEvent)); - FixDeviceStateNotify(dev, ev, NULL, NULL, NULL, first); - - if (b != NULL) { - FixDeviceStateNotify(dev, ev++, NULL, b, v, first); - first += 3; - nval -= 3; - if (nbuttons > 32) { - (ev - 1)->deviceid |= MORE_EVENTS; - bev = (deviceButtonStateNotify *) ev++; - bev->type = DeviceButtonStateNotify; - bev->deviceid = dev->id; - memcpy((char*)&bev->buttons[4], (char*)&b->down[4], DOWN_LENGTH - 4); - } - if (nval > 0) { - (ev - 1)->deviceid |= MORE_EVENTS; - FixDeviceValuator(dev, (deviceValuator *) ev++, v, first); - first += 3; - nval -= 3; - } - } - - if (k != NULL) { - FixDeviceStateNotify(dev, ev++, k, NULL, v, first); - first += 3; - nval -= 3; - if (nkeys > 32) { - (ev - 1)->deviceid |= MORE_EVENTS; - kev = (deviceKeyStateNotify *) ev++; - kev->type = DeviceKeyStateNotify; - kev->deviceid = dev->id; - memmove((char *)&kev->keys[0], (char *)&k->down[4], 28); - } - if (nval > 0) { - (ev - 1)->deviceid |= MORE_EVENTS; - FixDeviceValuator(dev, (deviceValuator *) ev++, v, first); - first += 3; - nval -= 3; - } - } - - while (nval > 0) { - FixDeviceStateNotify(dev, ev++, NULL, NULL, v, first); - first += 3; - nval -= 3; - if (nval > 0) { - (ev - 1)->deviceid |= MORE_EVENTS; - FixDeviceValuator(dev, (deviceValuator *) ev++, v, first); - first += 3; - nval -= 3; - } - } - - DeliverEventsToWindow(dev, pWin, (xEvent *) sev, evcount, - DeviceStateNotifyMask, NullGrab); - xfree(sev); - } -} - -int -CheckGrabValues(ClientPtr client, GrabParameters* param) -{ - if (param->grabtype != GRABTYPE_CORE && - param->grabtype != GRABTYPE_XI && - param->grabtype != GRABTYPE_XI2) - { - ErrorF("[Xi] grabtype is invalid. This is a bug.\n"); - return BadImplementation; - } - - if ((param->this_device_mode != GrabModeSync) && - (param->this_device_mode != GrabModeAsync)) { - client->errorValue = param->this_device_mode; - return BadValue; - } - if ((param->other_devices_mode != GrabModeSync) && - (param->other_devices_mode != GrabModeAsync)) { - client->errorValue = param->other_devices_mode; - return BadValue; - } - - if (param->grabtype != GRABTYPE_XI2 && (param->modifiers != AnyModifier) && - (param->modifiers & ~AllModifiersMask)) { - client->errorValue = param->modifiers; - return BadValue; - } - - if ((param->ownerEvents != xFalse) && (param->ownerEvents != xTrue)) { - client->errorValue = param->ownerEvents; - return BadValue; - } - return Success; -} - -int -GrabButton(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device, - int button, GrabParameters *param, GrabType grabtype, - GrabMask *mask) -{ - WindowPtr pWin, confineTo; - CursorPtr cursor; - GrabPtr grab; - int rc, type = -1; - Mask access_mode = DixGrabAccess; - - rc = CheckGrabValues(client, param); - if (rc != Success) - return rc; - if (param->confineTo == None) - confineTo = NullWindow; - else { - rc = dixLookupWindow(&confineTo, param->confineTo, client, DixSetAttrAccess); - if (rc != Success) - return rc; - } - if (param->cursor == None) - cursor = NullCursor; - else { - rc = dixLookupResourceByType((pointer *)&cursor, param->cursor, - RT_CURSOR, client, DixUseAccess); - if (rc != Success) - { - client->errorValue = param->cursor; - return (rc == BadValue) ? BadCursor : rc; - } - access_mode |= DixForceAccess; - } - if (param->this_device_mode == GrabModeSync || param->other_devices_mode == GrabModeSync) - access_mode |= DixFreezeAccess; - rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode); - if (rc != Success) - return rc; - rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess); - if (rc != Success) - return rc; - - if (grabtype == GRABTYPE_XI) - type = DeviceButtonPress; - else if (grabtype == GRABTYPE_XI2) - type = XI_ButtonPress; - - grab = CreateGrab(client->index, dev, modifier_device, pWin, grabtype, - mask, param, type, button, confineTo, cursor); - if (!grab) - return BadAlloc; - return AddPassiveGrabToList(client, grab); -} - -/** - * Grab the given key. If grabtype is GRABTYPE_XI, the key is a keycode. If - * grabtype is GRABTYPE_XI2, the key is a keysym. - */ -int -GrabKey(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device, - int key, GrabParameters *param, GrabType grabtype, GrabMask *mask) -{ - WindowPtr pWin; - GrabPtr grab; - KeyClassPtr k = dev->key; - Mask access_mode = DixGrabAccess; - int rc, type = -1; - - rc = CheckGrabValues(client, param); - if (rc != Success) - return rc; - if (k == NULL) - return BadMatch; - if (grabtype == GRABTYPE_XI) - { - if ((key > k->xkbInfo->desc->max_key_code || - key < k->xkbInfo->desc->min_key_code) - && (key != AnyKey)) { - client->errorValue = key; - return BadValue; - } - type = DeviceKeyPress; - } else if (grabtype == GRABTYPE_XI2) - type = XI_KeyPress; - - rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess); - if (rc != Success) - return rc; - if (param->this_device_mode == GrabModeSync || param->other_devices_mode == GrabModeSync) - access_mode |= DixFreezeAccess; - rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode); - if (rc != Success) - return rc; - - grab = CreateGrab(client->index, dev, modifier_device, pWin, grabtype, - mask, param, type, key, NULL, NULL); - if (!grab) - return BadAlloc; - return AddPassiveGrabToList(client, grab); -} - -/* Enter/FocusIn grab */ -int -GrabWindow(ClientPtr client, DeviceIntPtr dev, int type, - GrabParameters *param, GrabMask *mask) -{ - WindowPtr pWin; - CursorPtr cursor; - GrabPtr grab; - Mask access_mode = DixGrabAccess; - int rc; - - rc = CheckGrabValues(client, param); - if (rc != Success) - return rc; - - rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess); - if (rc != Success) - return rc; - if (param->cursor == None) - cursor = NullCursor; - else { - rc = dixLookupResourceByType((pointer *)&cursor, param->cursor, - RT_CURSOR, client, DixUseAccess); - if (rc != Success) - { - client->errorValue = param->cursor; - return (rc == BadValue) ? BadCursor : rc; - } - access_mode |= DixForceAccess; - } - if (param->this_device_mode == GrabModeSync || param->other_devices_mode == GrabModeSync) - access_mode |= DixFreezeAccess; - rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode); - if (rc != Success) - return rc; - - grab = CreateGrab(client->index, dev, dev, pWin, GRABTYPE_XI2, - mask, param, (type == XIGrabtypeEnter) ? XI_Enter : XI_FocusIn, - 0, NULL, cursor); - - if (!grab) - return BadAlloc; - - return AddPassiveGrabToList(client, grab); -} - -int -SelectForWindow(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client, - Mask mask, Mask exclusivemasks) -{ - int mskidx = dev->id; - int i, ret; - Mask check; - InputClientsPtr others; - - check = (mask & exclusivemasks); - if (wOtherInputMasks(pWin)) { - if (check & wOtherInputMasks(pWin)->inputEvents[mskidx]) { /* It is illegal for two different - * clients to select on any of the - * events for maskcheck. However, - * it is OK, for some client to - * continue selecting on one of those - * events. */ - for (others = wOtherInputMasks(pWin)->inputClients; others; - others = others->next) { - if (!SameClient(others, client) && (check & - others->mask[mskidx])) - return BadAccess; - } - } - for (others = wOtherInputMasks(pWin)->inputClients; others; - others = others->next) { - if (SameClient(others, client)) { - check = others->mask[mskidx]; - others->mask[mskidx] = mask; - if (mask == 0) { - for (i = 0; i < EMASKSIZE; i++) - if (i != mskidx && others->mask[i] != 0) - break; - if (i == EMASKSIZE) { - RecalculateDeviceDeliverableEvents(pWin); - if (ShouldFreeInputMasks(pWin, FALSE)) - FreeResource(others->resource, RT_NONE); - return Success; - } - } - goto maskSet; - } - } - } - check = 0; - if ((ret = AddExtensionClient(pWin, client, mask, mskidx)) != Success) - return ret; - maskSet: - if (dev->valuator) - if ((dev->valuator->motionHintWindow == pWin) && - (mask & DevicePointerMotionHintMask) && - !(check & DevicePointerMotionHintMask) && !dev->deviceGrab.grab) - dev->valuator->motionHintWindow = NullWindow; - RecalculateDeviceDeliverableEvents(pWin); - return Success; -} - -int -AddExtensionClient(WindowPtr pWin, ClientPtr client, Mask mask, int mskidx) -{ - InputClientsPtr others; - - if (!pWin->optional && !MakeWindowOptional(pWin)) - return BadAlloc; - others = xcalloc(1, sizeof(InputClients)); - if (!others) - return BadAlloc; - if (!pWin->optional->inputMasks && !MakeInputMasks(pWin)) - return BadAlloc; - others->mask[mskidx] = mask; - others->resource = FakeClientID(client->index); - others->next = pWin->optional->inputMasks->inputClients; - pWin->optional->inputMasks->inputClients = others; - if (!AddResource(others->resource, RT_INPUTCLIENT, (pointer) pWin)) - return BadAlloc; - return Success; -} - -static Bool -MakeInputMasks(WindowPtr pWin) -{ - struct _OtherInputMasks *imasks; - - imasks = xcalloc(1, sizeof(struct _OtherInputMasks)); - if (!imasks) - return FALSE; - pWin->optional->inputMasks = imasks; - return TRUE; -} - -void -RecalculateDeviceDeliverableEvents(WindowPtr pWin) -{ - InputClientsPtr others; - struct _OtherInputMasks *inputMasks; /* default: NULL */ - WindowPtr pChild, tmp; - int i, j; - - pChild = pWin; - while (1) { - if ((inputMasks = wOtherInputMasks(pChild)) != 0) { - for (i = 0; i < EMASKSIZE; i++) - memset(inputMasks->xi2mask[i], 0, sizeof(inputMasks->xi2mask[i])); - for (others = inputMasks->inputClients; others; - others = others->next) { - for (i = 0; i < EMASKSIZE; i++) - inputMasks->inputEvents[i] |= others->mask[i]; - for (i = 0; i < EMASKSIZE; i++) - for (j = 0; j < XI2MASKSIZE; j++) - inputMasks->xi2mask[i][j] |= others->xi2mask[i][j]; - } - for (i = 0; i < EMASKSIZE; i++) - inputMasks->deliverableEvents[i] = inputMasks->inputEvents[i]; - for (tmp = pChild->parent; tmp; tmp = tmp->parent) - if (wOtherInputMasks(tmp)) - for (i = 0; i < EMASKSIZE; i++) - inputMasks->deliverableEvents[i] |= - (wOtherInputMasks(tmp)->deliverableEvents[i] - & ~inputMasks-> - dontPropagateMask[i] & PropagateMask[i]); - } - if (pChild->firstChild) { - pChild = pChild->firstChild; - continue; - } - while (!pChild->nextSib && (pChild != pWin)) - pChild = pChild->parent; - if (pChild == pWin) - break; - pChild = pChild->nextSib; - } -} - -int -InputClientGone(WindowPtr pWin, XID id) -{ - InputClientsPtr other, prev; - - if (!wOtherInputMasks(pWin)) - return (Success); - prev = 0; - for (other = wOtherInputMasks(pWin)->inputClients; other; - other = other->next) { - if (other->resource == id) { - if (prev) { - prev->next = other->next; - xfree(other); - } else if (!(other->next)) { - if (ShouldFreeInputMasks(pWin, TRUE)) { - wOtherInputMasks(pWin)->inputClients = other->next; - xfree(wOtherInputMasks(pWin)); - pWin->optional->inputMasks = (OtherInputMasks *) NULL; - CheckWindowOptionalNeed(pWin); - xfree(other); - } else { - other->resource = FakeClientID(0); - if (!AddResource(other->resource, RT_INPUTCLIENT, - (pointer) pWin)) - return BadAlloc; - } - } else { - wOtherInputMasks(pWin)->inputClients = other->next; - xfree(other); - } - RecalculateDeviceDeliverableEvents(pWin); - return (Success); - } - prev = other; - } - FatalError("client not on device event list"); -} - -int -SendEvent(ClientPtr client, DeviceIntPtr d, Window dest, Bool propagate, - xEvent * ev, Mask mask, int count) -{ - WindowPtr pWin; - WindowPtr effectiveFocus = NullWindow; /* only set if dest==InputFocus */ - WindowPtr spriteWin = GetSpriteWindow(d); - - if (dest == PointerWindow) - pWin = spriteWin; - else if (dest == InputFocus) { - WindowPtr inputFocus; - - if (!d->focus) - inputFocus = spriteWin; - else - inputFocus = d->focus->win; - - if (inputFocus == FollowKeyboardWin) - inputFocus = inputInfo.keyboard->focus->win; - - if (inputFocus == NoneWin) - return Success; - - /* If the input focus is PointerRootWin, send the event to where - * the pointer is if possible, then perhaps propogate up to root. */ - if (inputFocus == PointerRootWin) - inputFocus = GetCurrentRootWindow(d); - - if (IsParent(inputFocus, spriteWin)) { - effectiveFocus = inputFocus; - pWin = spriteWin; - } else - effectiveFocus = pWin = inputFocus; - } else - dixLookupWindow(&pWin, dest, client, DixSendAccess); - if (!pWin) - return BadWindow; - if ((propagate != xFalse) && (propagate != xTrue)) { - client->errorValue = propagate; - return BadValue; - } - ev->u.u.type |= 0x80; - if (propagate) { - for (; pWin; pWin = pWin->parent) { - if (DeliverEventsToWindow(d, pWin, ev, count, mask, NullGrab)) - return Success; - if (pWin == effectiveFocus) - return Success; - if (wOtherInputMasks(pWin)) - mask &= ~wOtherInputMasks(pWin)->dontPropagateMask[d->id]; - if (!mask) - break; - } - } else if (!XaceHook(XACE_SEND_ACCESS, client, NULL, pWin, ev, count)) - DeliverEventsToWindow(d, pWin, ev, count, mask, NullGrab); - return Success; -} - -int -SetButtonMapping(ClientPtr client, DeviceIntPtr dev, int nElts, BYTE * map) -{ - int i; - ButtonClassPtr b = dev->button; - - if (b == NULL) - return BadMatch; - - if (nElts != b->numButtons) { - client->errorValue = nElts; - return BadValue; - } - if (BadDeviceMap(&map[0], nElts, 1, 255, &client->errorValue)) - return BadValue; - for (i = 0; i < nElts; i++) - if ((b->map[i + 1] != map[i]) && BitIsOn(b->down, i + 1)) - return MappingBusy; - for (i = 0; i < nElts; i++) - b->map[i + 1] = map[i]; - return Success; -} - -int -ChangeKeyMapping(ClientPtr client, - DeviceIntPtr dev, - unsigned len, - int type, - KeyCode firstKeyCode, - CARD8 keyCodes, CARD8 keySymsPerKeyCode, KeySym * map) -{ - KeySymsRec keysyms; - KeyClassPtr k = dev->key; - - if (k == NULL) - return (BadMatch); - - if (len != (keyCodes * keySymsPerKeyCode)) - return BadLength; - - if ((firstKeyCode < k->xkbInfo->desc->min_key_code) || - (firstKeyCode + keyCodes - 1 > k->xkbInfo->desc->max_key_code)) { - client->errorValue = firstKeyCode; - return BadValue; - } - if (keySymsPerKeyCode == 0) { - client->errorValue = 0; - return BadValue; - } - keysyms.minKeyCode = firstKeyCode; - keysyms.maxKeyCode = firstKeyCode + keyCodes - 1; - keysyms.mapWidth = keySymsPerKeyCode; - keysyms.map = map; - - XkbApplyMappingChange(dev, &keysyms, firstKeyCode, keyCodes, NULL, - serverClient); - - return client->noClientException; -} - -static void -DeleteDeviceFromAnyExtEvents(WindowPtr pWin, DeviceIntPtr dev) -{ - WindowPtr parent; - - /* Deactivate any grabs performed on this window, before making - * any input focus changes. - * Deactivating a device grab should cause focus events. */ - - if (dev->deviceGrab.grab && (dev->deviceGrab.grab->window == pWin)) - (*dev->deviceGrab.DeactivateGrab) (dev); - - /* If the focus window is a root window (ie. has no parent) - * then don't delete the focus from it. */ - - if (dev->focus && (pWin == dev->focus->win) && (pWin->parent != NullWindow)) { - int focusEventMode = NotifyNormal; - - /* If a grab is in progress, then alter the mode of focus events. */ - - if (dev->deviceGrab.grab) - focusEventMode = NotifyWhileGrabbed; - - switch (dev->focus->revert) { - case RevertToNone: - if (!ActivateFocusInGrab(dev, pWin, NoneWin)) - DoFocusEvents(dev, pWin, NoneWin, focusEventMode); - dev->focus->win = NoneWin; - dev->focus->traceGood = 0; - break; - case RevertToParent: - parent = pWin; - do { - parent = parent->parent; - dev->focus->traceGood--; - } - while (!parent->realized); - if (!ActivateFocusInGrab(dev, pWin, parent)) - DoFocusEvents(dev, pWin, parent, focusEventMode); - dev->focus->win = parent; - dev->focus->revert = RevertToNone; - break; - case RevertToPointerRoot: - if (!ActivateFocusInGrab(dev, pWin, PointerRootWin)) - DoFocusEvents(dev, pWin, PointerRootWin, focusEventMode); - dev->focus->win = PointerRootWin; - dev->focus->traceGood = 0; - break; - case RevertToFollowKeyboard: - { - DeviceIntPtr kbd = GetMaster(dev, MASTER_KEYBOARD); - if (!kbd || (kbd == dev && kbd != inputInfo.keyboard)) - kbd = inputInfo.keyboard; - if (kbd->focus->win) { - if (!ActivateFocusInGrab(dev, pWin, kbd->focus->win)) - DoFocusEvents(dev, pWin, kbd->focus->win, focusEventMode); - dev->focus->win = FollowKeyboardWin; - dev->focus->traceGood = 0; - } else { - if (!ActivateFocusInGrab(dev, pWin, NoneWin)) - DoFocusEvents(dev, pWin, NoneWin, focusEventMode); - dev->focus->win = NoneWin; - dev->focus->traceGood = 0; - } - } - break; - } - } - - if (dev->valuator) - if (dev->valuator->motionHintWindow == pWin) - dev->valuator->motionHintWindow = NullWindow; -} - -void -DeleteWindowFromAnyExtEvents(WindowPtr pWin, Bool freeResources) -{ - int i; - DeviceIntPtr dev; - InputClientsPtr ic; - struct _OtherInputMasks *inputMasks; - - for (dev = inputInfo.devices; dev; dev = dev->next) { - DeleteDeviceFromAnyExtEvents(pWin, dev); - } - - for (dev = inputInfo.off_devices; dev; dev = dev->next) - DeleteDeviceFromAnyExtEvents(pWin, dev); - - if (freeResources) - while ((inputMasks = wOtherInputMasks(pWin)) != 0) { - ic = inputMasks->inputClients; - for (i = 0; i < EMASKSIZE; i++) - inputMasks->dontPropagateMask[i] = 0; - FreeResource(ic->resource, RT_NONE); - } -} - -int -MaybeSendDeviceMotionNotifyHint(deviceKeyButtonPointer * pEvents, Mask mask) -{ - DeviceIntPtr dev; - - dixLookupDevice(&dev, pEvents->deviceid & DEVICE_BITS, serverClient, - DixReadAccess); - if (!dev) - return 0; - - if (pEvents->type == DeviceMotionNotify) { - if (mask & DevicePointerMotionHintMask) { - if (WID(dev->valuator->motionHintWindow) == pEvents->event) { - return 1; /* don't send, but pretend we did */ - } - pEvents->detail = NotifyHint; - } else { - pEvents->detail = NotifyNormal; - } - } - return (0); -} - -void -CheckDeviceGrabAndHintWindow(WindowPtr pWin, int type, - deviceKeyButtonPointer * xE, GrabPtr grab, - ClientPtr client, Mask deliveryMask) -{ - DeviceIntPtr dev; - - dixLookupDevice(&dev, xE->deviceid & DEVICE_BITS, serverClient, - DixGrabAccess); - if (!dev) - return; - - if (type == DeviceMotionNotify) - dev->valuator->motionHintWindow = pWin; - else if ((type == DeviceButtonPress) && (!grab) && - (deliveryMask & DeviceButtonGrabMask)) { - GrabRec tempGrab; - - tempGrab.device = dev; - tempGrab.resource = client->clientAsMask; - tempGrab.window = pWin; - tempGrab.ownerEvents = - (deliveryMask & DeviceOwnerGrabButtonMask) ? TRUE : FALSE; - tempGrab.eventMask = deliveryMask; - tempGrab.keyboardMode = GrabModeAsync; - tempGrab.pointerMode = GrabModeAsync; - tempGrab.confineTo = NullWindow; - tempGrab.cursor = NullCursor; - tempGrab.next = NULL; - (*dev->deviceGrab.ActivateGrab) (dev, &tempGrab, currentTime, TRUE); - } -} - -static Mask -DeviceEventMaskForClient(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client) -{ - InputClientsPtr other; - - if (!wOtherInputMasks(pWin)) - return 0; - for (other = wOtherInputMasks(pWin)->inputClients; other; - other = other->next) { - if (SameClient(other, client)) - return other->mask[dev->id]; - } - return 0; -} - -void -MaybeStopDeviceHint(DeviceIntPtr dev, ClientPtr client) -{ - WindowPtr pWin; - GrabPtr grab = dev->deviceGrab.grab; - - pWin = dev->valuator->motionHintWindow; - - if ((grab && SameClient(grab, client) && - ((grab->eventMask & DevicePointerMotionHintMask) || - (grab->ownerEvents && - (DeviceEventMaskForClient(dev, pWin, client) & - DevicePointerMotionHintMask)))) || - (!grab && - (DeviceEventMaskForClient(dev, pWin, client) & - DevicePointerMotionHintMask))) - dev->valuator->motionHintWindow = NullWindow; -} - -int -DeviceEventSuppressForWindow(WindowPtr pWin, ClientPtr client, Mask mask, - int maskndx) -{ - struct _OtherInputMasks *inputMasks = wOtherInputMasks(pWin); - - if (mask & ~PropagateMask[maskndx]) { - client->errorValue = mask; - return BadValue; - } - - if (mask == 0) { - if (inputMasks) - inputMasks->dontPropagateMask[maskndx] = mask; - } else { - if (!inputMasks) - AddExtensionClient(pWin, client, 0, 0); - inputMasks = wOtherInputMasks(pWin); - inputMasks->dontPropagateMask[maskndx] = mask; - } - RecalculateDeviceDeliverableEvents(pWin); - if (ShouldFreeInputMasks(pWin, FALSE)) - FreeResource(inputMasks->inputClients->resource, RT_NONE); - return Success; -} - -Bool -ShouldFreeInputMasks(WindowPtr pWin, Bool ignoreSelectedEvents) -{ - int i; - Mask allInputEventMasks = 0; - struct _OtherInputMasks *inputMasks = wOtherInputMasks(pWin); - - for (i = 0; i < EMASKSIZE; i++) - allInputEventMasks |= inputMasks->dontPropagateMask[i]; - if (!ignoreSelectedEvents) - for (i = 0; i < EMASKSIZE; i++) - allInputEventMasks |= inputMasks->inputEvents[i]; - if (allInputEventMasks == 0) - return TRUE; - else - return FALSE; -} - -/*********************************************************************** - * - * Walk through the window tree, finding all clients that want to know - * about the Event. - * - */ - -static void -FindInterestedChildren(DeviceIntPtr dev, WindowPtr p1, Mask mask, - xEvent * ev, int count) -{ - WindowPtr p2; - - while (p1) { - p2 = p1->firstChild; - DeliverEventsToWindow(dev, p1, ev, count, mask, NullGrab); - FindInterestedChildren(dev, p2, mask, ev, count); - p1 = p1->nextSib; - } -} - -/*********************************************************************** - * - * Send an event to interested clients in all windows on all screens. - * - */ - -void -SendEventToAllWindows(DeviceIntPtr dev, Mask mask, xEvent * ev, int count) -{ - int i; - WindowPtr pWin, p1; - - for (i = 0; i < screenInfo.numScreens; i++) { - pWin = WindowTable[i]; - if (!pWin) - continue; - DeliverEventsToWindow(dev, pWin, ev, count, mask, NullGrab); - p1 = pWin->firstChild; - FindInterestedChildren(dev, p1, mask, ev, count); - } -} - -/** - * Set the XI2 mask for the given client on the given window. - * @param dev The device to set the mask for. - * @param win The window to set the mask on. - * @param client The client setting the mask. - * @param len Number of bytes in mask. - * @param mask Event mask in the form of (1 << eventtype) - */ -int -XISetEventMask(DeviceIntPtr dev, WindowPtr win, ClientPtr client, - unsigned int len, unsigned char* mask) -{ - OtherInputMasks *masks; - InputClientsPtr others = NULL; - - masks = wOtherInputMasks(win); - if (masks) - { - for (others = wOtherInputMasks(win)->inputClients; others; - others = others->next) { - if (SameClient(others, client)) { - memset(others->xi2mask[dev->id], 0, - sizeof(others->xi2mask[dev->id])); - break; - } - } - } - - len = min(len, sizeof(others->xi2mask[dev->id])); - - if (len && !others) - { - if (AddExtensionClient(win, client, 0, 0) != Success) - return BadAlloc; - others= wOtherInputMasks(win)->inputClients; - } - - if (others) - memset(others->xi2mask[dev->id], 0, sizeof(others->xi2mask[dev->id])); - - if (len) - memcpy(others->xi2mask[dev->id], mask, len); - - RecalculateDeviceDeliverableEvents(win); - - return Success; -} +/************************************************************
+
+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.
+
+********************************************************/
+
+/********************************************************************
+ *
+ * Routines to register and initialize extension input devices.
+ * This also contains ProcessOtherEvent, the routine called from DDX
+ * to route extension events.
+ *
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "inputstr.h"
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include <X11/extensions/XI2proto.h>
+#include <X11/extensions/geproto.h>
+#include "windowstr.h"
+#include "miscstruct.h"
+#include "region.h"
+#include "exevents.h"
+#include "extnsionst.h"
+#include "exglobals.h"
+#include "dixevents.h" /* DeliverFocusedEvent */
+#include "dixgrabs.h" /* CreateGrab() */
+#include "scrnintstr.h"
+#include "listdev.h" /* for CopySwapXXXClass */
+#include "xace.h"
+#include "xiquerydevice.h" /* For List*Info */
+#include "eventconvert.h"
+#include "eventstr.h"
+
+#include <X11/extensions/XKBproto.h>
+#include "xkbsrv.h"
+
+#define WID(w) ((w) ? ((w)->drawable.id) : 0)
+#define AllModifiersMask ( \
+ ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | \
+ Mod3Mask | Mod4Mask | Mod5Mask )
+#define AllButtonsMask ( \
+ Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask )
+
+Bool ShouldFreeInputMasks(WindowPtr /* pWin */ ,
+ Bool /* ignoreSelectedEvents */
+ );
+static Bool MakeInputMasks(WindowPtr /* pWin */
+ );
+
+/*
+ * Only let the given client know of core events which will affect its
+ * interpretation of input events, if the client's ClientPointer (or the
+ * paired keyboard) is the current device.
+ */
+int
+XIShouldNotify(ClientPtr client, DeviceIntPtr dev)
+{
+ DeviceIntPtr current_ptr = PickPointer(client);
+ DeviceIntPtr current_kbd = GetPairedDevice(current_ptr);
+
+ if (dev == current_kbd || dev == current_ptr)
+ return 1;
+
+ return 0;
+}
+
+void
+RegisterOtherDevice(DeviceIntPtr device)
+{
+ device->public.processInputProc = ProcessOtherEvent;
+ device->public.realInputProc = ProcessOtherEvent;
+}
+
+Bool
+IsPointerEvent(InternalEvent* event)
+{
+ switch(event->any.type)
+ {
+ case ET_ButtonPress:
+ case ET_ButtonRelease:
+ case ET_Motion:
+ /* XXX: enter/leave ?? */
+ return TRUE;
+ default:
+ break;
+ }
+ return FALSE;
+}
+
+/**
+ * @return the device matching the deviceid of the device set in the event, or
+ * NULL if the event is not an XInput event.
+ */
+DeviceIntPtr
+XIGetDevice(xEvent* xE)
+{
+ DeviceIntPtr pDev = NULL;
+
+ if (xE->u.u.type == DeviceButtonPress ||
+ xE->u.u.type == DeviceButtonRelease ||
+ xE->u.u.type == DeviceMotionNotify ||
+ xE->u.u.type == ProximityIn ||
+ xE->u.u.type == ProximityOut ||
+ xE->u.u.type == DevicePropertyNotify)
+ {
+ int rc;
+ int id;
+
+ id = ((deviceKeyButtonPointer*)xE)->deviceid & ~MORE_EVENTS;
+
+ rc = dixLookupDevice(&pDev, id, serverClient, DixUnknownAccess);
+ if (rc != Success)
+ ErrorF("[dix] XIGetDevice failed on XACE restrictions (%d)\n", rc);
+ }
+ return pDev;
+}
+
+
+/**
+ * Copy the device->key into master->key and send a mapping notify to the
+ * clients if appropriate.
+ * master->key needs to be allocated by the caller.
+ *
+ * Device is the slave device. If it is attached to a master device, we may
+ * need to send a mapping notify to the client because it causes the MD
+ * to change state.
+ *
+ * Mapping notify needs to be sent in the following cases:
+ * - different slave device on same master
+ * - different master
+ *
+ * XXX: They way how the code is we also send a map notify if the slave device
+ * stays the same, but the master changes. This isn't really necessary though.
+ *
+ * XXX: this gives you funny behaviour with the ClientPointer. When a
+ * MappingNotify is sent to the client, the client usually responds with a
+ * GetKeyboardMapping. This will retrieve the ClientPointer's keyboard
+ * mapping, regardless of which keyboard sent the last mapping notify request.
+ * So depending on the CP setting, your keyboard may change layout in each
+ * app...
+ *
+ * This code is basically the old SwitchCoreKeyboard.
+ */
+
+void
+CopyKeyClass(DeviceIntPtr device, DeviceIntPtr master)
+{
+ KeyClassPtr mk = master->key;
+ KeyClassPtr dk = device->key;
+ int i;
+
+ if (device == master)
+ return;
+
+ mk->sourceid = device->id;
+
+ for (i = 0; i < 8; i++)
+ mk->modifierKeyCount[i] = dk->modifierKeyCount[i];
+
+ if (!XkbCopyDeviceKeymap(master, device))
+ FatalError("Couldn't pivot keymap from device to core!\n");
+}
+
+/**
+ * Copies the feedback classes from device "from" into device "to". Classes
+ * are duplicated (not just flipping the pointers). All feedback classes are
+ * linked lists, the full list is duplicated.
+ */
+static void
+DeepCopyFeedbackClasses(DeviceIntPtr from, DeviceIntPtr to)
+{
+ ClassesPtr classes;
+
+
+ if (from->intfeed)
+ {
+ IntegerFeedbackPtr *i, it;
+
+ if (!to->intfeed)
+ {
+ classes = to->unused_classes;
+ to->intfeed = classes->intfeed;
+ }
+
+ i = &to->intfeed;
+ for (it = from->intfeed; it; it = it->next)
+ {
+ if (!(*i))
+ {
+ *i = calloc(1, sizeof(IntegerFeedbackClassRec));
+ if (!(*i))
+ {
+ ErrorF("[Xi] Cannot alloc memory for class copy.");
+ return;
+ }
+ }
+ (*i)->CtrlProc = it->CtrlProc;
+ (*i)->ctrl = it->ctrl;
+
+ i = &(*i)->next;
+ }
+ } else if (to->intfeed && !from->intfeed)
+ {
+ ClassesPtr classes;
+ classes = to->unused_classes;
+ classes->intfeed = to->intfeed;
+ to->intfeed = NULL;
+ }
+
+ if (from->stringfeed)
+ {
+ StringFeedbackPtr *s, it;
+
+ if (!to->stringfeed)
+ {
+ classes = to->unused_classes;
+ to->stringfeed = classes->stringfeed;
+ }
+
+ s = &to->stringfeed;
+ for (it = from->stringfeed; it; it = it->next)
+ {
+ if (!(*s))
+ {
+ *s = calloc(1, sizeof(StringFeedbackClassRec));
+ if (!(*s))
+ {
+ ErrorF("[Xi] Cannot alloc memory for class copy.");
+ return;
+ }
+ }
+ (*s)->CtrlProc = it->CtrlProc;
+ (*s)->ctrl = it->ctrl;
+
+ s = &(*s)->next;
+ }
+ } else if (to->stringfeed && !from->stringfeed)
+ {
+ ClassesPtr classes;
+ classes = to->unused_classes;
+ classes->stringfeed = to->stringfeed;
+ to->stringfeed = NULL;
+ }
+
+ if (from->bell)
+ {
+ BellFeedbackPtr *b, it;
+
+ if (!to->bell)
+ {
+ classes = to->unused_classes;
+ to->bell = classes->bell;
+ }
+
+ b = &to->bell;
+ for (it = from->bell; it; it = it->next)
+ {
+ if (!(*b))
+ {
+ *b = calloc(1, sizeof(BellFeedbackClassRec));
+ if (!(*b))
+ {
+ ErrorF("[Xi] Cannot alloc memory for class copy.");
+ return;
+ }
+ }
+ (*b)->BellProc = it->BellProc;
+ (*b)->CtrlProc = it->CtrlProc;
+ (*b)->ctrl = it->ctrl;
+
+ b = &(*b)->next;
+ }
+ } else if (to->bell && !from->bell)
+ {
+ ClassesPtr classes;
+ classes = to->unused_classes;
+ classes->bell = to->bell;
+ to->bell = NULL;
+ }
+
+ if (from->leds)
+ {
+ LedFeedbackPtr *l, it;
+
+ if (!to->leds)
+ {
+ classes = to->unused_classes;
+ to->leds = classes->leds;
+ }
+
+ l = &to->leds;
+ for (it = from->leds; it; it = it->next)
+ {
+ if (!(*l))
+ {
+ *l = calloc(1, sizeof(LedFeedbackClassRec));
+ if (!(*l))
+ {
+ ErrorF("[Xi] Cannot alloc memory for class copy.");
+ return;
+ }
+ }
+ (*l)->CtrlProc = it->CtrlProc;
+ (*l)->ctrl = it->ctrl;
+ if ((*l)->xkb_sli)
+ XkbFreeSrvLedInfo((*l)->xkb_sli);
+ (*l)->xkb_sli = XkbCopySrvLedInfo(from, it->xkb_sli, NULL, *l);
+
+ l = &(*l)->next;
+ }
+ } else if (to->leds && !from->leds)
+ {
+ ClassesPtr classes;
+ classes = to->unused_classes;
+ classes->leds = to->leds;
+ to->leds = NULL;
+ }
+}
+
+static void
+DeepCopyKeyboardClasses(DeviceIntPtr from, DeviceIntPtr to)
+{
+ ClassesPtr classes;
+
+ /* XkbInitDevice (->XkbInitIndicatorMap->XkbFindSrvLedInfo) relies on the
+ * kbdfeed to be set up properly, so let's do the feedback classes first.
+ */
+ if (from->kbdfeed)
+ {
+ KbdFeedbackPtr *k, it;
+
+ if (!to->kbdfeed)
+ {
+ classes = to->unused_classes;
+
+ to->kbdfeed = classes->kbdfeed;
+ if (!to->kbdfeed)
+ InitKeyboardDeviceStruct(to, NULL, NULL, NULL);
+ }
+
+ k = &to->kbdfeed;
+ for(it = from->kbdfeed; it; it = it->next)
+ {
+ if (!(*k))
+ {
+ *k = calloc(1, sizeof(KbdFeedbackClassRec));
+ if (!*k)
+ {
+ ErrorF("[Xi] Cannot alloc memory for class copy.");
+ return;
+ }
+ }
+ (*k)->BellProc = it->BellProc;
+ (*k)->CtrlProc = it->CtrlProc;
+ (*k)->ctrl = it->ctrl;
+ if ((*k)->xkb_sli)
+ XkbFreeSrvLedInfo((*k)->xkb_sli);
+ (*k)->xkb_sli = XkbCopySrvLedInfo(from, it->xkb_sli, *k, NULL);
+
+ k = &(*k)->next;
+ }
+ } else if (to->kbdfeed && !from->kbdfeed)
+ {
+ ClassesPtr classes;
+ classes = to->unused_classes;
+ classes->kbdfeed = to->kbdfeed;
+ to->kbdfeed = NULL;
+ }
+
+ if (from->key)
+ {
+ if (!to->key)
+ {
+ classes = to->unused_classes;
+ to->key = classes->key;
+ if (!to->key)
+ InitKeyboardDeviceStruct(to, NULL, NULL, NULL);
+ else
+ classes->key = NULL;
+ }
+
+ CopyKeyClass(from, to);
+ } else if (to->key && !from->key)
+ {
+ ClassesPtr classes;
+ classes = to->unused_classes;
+ classes->key = to->key;
+ to->key = NULL;
+ }
+
+ /* If a SrvLedInfoPtr's flags are XkbSLI_IsDefault, the names and maps
+ * pointer point into the xkbInfo->desc struct. XkbCopySrvLedInfo
+ * didn't update the pointers so we need to do it manually here.
+ */
+ if (to->kbdfeed)
+ {
+ KbdFeedbackPtr k;
+
+ for (k = to->kbdfeed; k; k = k->next)
+ {
+ if (!k->xkb_sli)
+ continue;
+ if (k->xkb_sli->flags & XkbSLI_IsDefault)
+ {
+ k->xkb_sli->names = to->key->xkbInfo->desc->names->indicators;
+ k->xkb_sli->maps = to->key->xkbInfo->desc->indicators->maps;
+ }
+ }
+ }
+
+ /* We can't just copy over the focus class. When an app sets the focus,
+ * it'll do so on the master device. Copying the SDs focus means losing
+ * the focus.
+ * So we only copy the focus class if the device didn't have one,
+ * otherwise we leave it as it is.
+ */
+ if (from->focus)
+ {
+ if (!to->focus)
+ {
+ WindowPtr *oldTrace;
+
+ classes = to->unused_classes;
+ to->focus = classes->focus;
+ if (!to->focus)
+ {
+ to->focus = calloc(1, sizeof(FocusClassRec));
+ if (!to->focus)
+ FatalError("[Xi] no memory for class shift.\n");
+ } else
+ classes->focus = NULL;
+
+ oldTrace = to->focus->trace;
+ memcpy(to->focus, from->focus, sizeof(FocusClassRec));
+ to->focus->trace = realloc(oldTrace,
+ to->focus->traceSize * sizeof(WindowPtr));
+ if (!to->focus->trace && to->focus->traceSize)
+ FatalError("[Xi] no memory for trace.\n");
+ memcpy(to->focus->trace, from->focus->trace,
+ from->focus->traceSize * sizeof(WindowPtr));
+ to->focus->sourceid = from->id;
+ }
+ } else if (to->focus)
+ {
+ ClassesPtr classes;
+ classes = to->unused_classes;
+ classes->focus = to->focus;
+ to->focus = NULL;
+ }
+
+}
+
+static void
+DeepCopyPointerClasses(DeviceIntPtr from, DeviceIntPtr to)
+{
+ ClassesPtr classes;
+
+ /* Feedback classes must be copied first */
+ if (from->ptrfeed)
+ {
+ PtrFeedbackPtr *p, it;
+ if (!to->ptrfeed)
+ {
+ classes = to->unused_classes;
+ to->ptrfeed = classes->ptrfeed;
+ }
+
+ p = &to->ptrfeed;
+ for (it = from->ptrfeed; it; it = it->next)
+ {
+ if (!(*p))
+ {
+ *p = calloc(1, sizeof(PtrFeedbackClassRec));
+ if (!*p)
+ {
+ ErrorF("[Xi] Cannot alloc memory for class copy.");
+ return;
+ }
+ }
+ (*p)->CtrlProc = it->CtrlProc;
+ (*p)->ctrl = it->ctrl;
+
+ p = &(*p)->next;
+ }
+ } else if (to->ptrfeed && !from->ptrfeed)
+ {
+ ClassesPtr classes;
+ classes = to->unused_classes;
+ classes->ptrfeed = to->ptrfeed;
+ to->ptrfeed = NULL;
+ }
+
+ if (from->valuator)
+ {
+ ValuatorClassPtr v;
+ if (!to->valuator)
+ {
+ classes = to->unused_classes;
+ to->valuator = classes->valuator;
+ if (to->valuator)
+ classes->valuator = NULL;
+ }
+
+ to->valuator = realloc(to->valuator, sizeof(ValuatorClassRec) +
+ from->valuator->numAxes * sizeof(AxisInfo) +
+ from->valuator->numAxes * sizeof(double));
+ v = to->valuator;
+ if (!v)
+ FatalError("[Xi] no memory for class shift.\n");
+
+ v->numAxes = from->valuator->numAxes;
+ v->axes = (AxisInfoPtr)&v[1];
+ memcpy(v->axes, from->valuator->axes, v->numAxes * sizeof(AxisInfo));
+
+ v->axisVal = (double*)(v->axes + from->valuator->numAxes);
+ v->sourceid = from->id;
+ v->mode = from->valuator->mode;
+ } else if (to->valuator && !from->valuator)
+ {
+ ClassesPtr classes;
+ classes = to->unused_classes;
+ classes->valuator = to->valuator;
+ to->valuator = NULL;
+ }
+
+ if (from->button)
+ {
+ if (!to->button)
+ {
+ classes = to->unused_classes;
+ to->button = classes->button;
+ if (!to->button)
+ {
+ to->button = calloc(1, sizeof(ButtonClassRec));
+ if (!to->button)
+ FatalError("[Xi] no memory for class shift.\n");
+ } else
+ classes->button = NULL;
+ }
+
+ if (from->button->xkb_acts)
+ {
+ if (!to->button->xkb_acts)
+ {
+ to->button->xkb_acts = calloc(1, sizeof(XkbAction));
+ if (!to->button->xkb_acts)
+ FatalError("[Xi] not enough memory for xkb_acts.\n");
+ }
+ memcpy(to->button->xkb_acts, from->button->xkb_acts,
+ sizeof(XkbAction));
+ } else
+ free(to->button->xkb_acts);
+
+ memcpy(to->button->labels, from->button->labels,
+ from->button->numButtons * sizeof(Atom));
+ to->button->sourceid = from->id;
+ } else if (to->button && !from->button)
+ {
+ ClassesPtr classes;
+ classes = to->unused_classes;
+ classes->button = to->button;
+ to->button = NULL;
+ }
+
+ if (from->proximity)
+ {
+ if (!to->proximity)
+ {
+ classes = to->unused_classes;
+ to->proximity = classes->proximity;
+ if (!to->proximity)
+ {
+ to->proximity = calloc(1, sizeof(ProximityClassRec));
+ if (!to->proximity)
+ FatalError("[Xi] no memory for class shift.\n");
+ } else
+ classes->proximity = NULL;
+ }
+ memcpy(to->proximity, from->proximity, sizeof(ProximityClassRec));
+ to->proximity->sourceid = from->id;
+ } else if (to->proximity)
+ {
+ ClassesPtr classes;
+ classes = to->unused_classes;
+ classes->proximity = to->proximity;
+ to->proximity = NULL;
+ }
+
+ if (from->absolute)
+ {
+ if (!to->absolute)
+ {
+ classes = to->unused_classes;
+ to->absolute = classes->absolute;
+ if (!to->absolute)
+ {
+ to->absolute = calloc(1, sizeof(AbsoluteClassRec));
+ if (!to->absolute)
+ FatalError("[Xi] no memory for class shift.\n");
+ } else
+ classes->absolute = NULL;
+ }
+ memcpy(to->absolute, from->absolute, sizeof(AbsoluteClassRec));
+ to->absolute->sourceid = from->id;
+ } else if (to->absolute)
+ {
+ ClassesPtr classes;
+ classes = to->unused_classes;
+ classes->absolute = to->absolute;
+ to->absolute = NULL;
+ }
+}
+
+/**
+ * Copies the CONTENT of the classes of device from into the classes in device
+ * to. From and to are identical after finishing.
+ *
+ * If to does not have classes from currenly has, the classes are stored in
+ * to's devPrivates system. Later, we recover it again from there if needed.
+ * Saves a few memory allocations.
+ */
+void
+DeepCopyDeviceClasses(DeviceIntPtr from, DeviceIntPtr to, DeviceChangedEvent *dce)
+{
+ /* generic feedback classes, not tied to pointer and/or keyboard */
+ DeepCopyFeedbackClasses(from, to);
+
+ if ((dce->flags & DEVCHANGE_KEYBOARD_EVENT))
+ DeepCopyKeyboardClasses(from, to);
+ if ((dce->flags & DEVCHANGE_POINTER_EVENT))
+ DeepCopyPointerClasses(from, to);
+}
+
+
+/**
+ * Send an XI2 DeviceChangedEvent to all interested clients.
+ */
+void
+XISendDeviceChangedEvent(DeviceIntPtr device, DeviceIntPtr master, DeviceChangedEvent *dce)
+{
+ xXIDeviceChangedEvent *dcce;
+ int rc;
+
+ rc = EventToXI2((InternalEvent*)dce, (xEvent**)&dcce);
+ if (rc != Success)
+ {
+ ErrorF("[Xi] event conversion from DCE failed with code %d\n", rc);
+ return;
+ }
+
+ /* we don't actually swap if there's a NullClient, swapping is done
+ * later when event is delivered. */
+ SendEventToAllWindows(master, XI_DeviceChangedMask, (xEvent*)dcce, 1);
+ free(dcce);
+}
+
+static void
+ChangeMasterDeviceClasses(DeviceIntPtr device, DeviceChangedEvent *dce)
+{
+ DeviceIntPtr slave;
+ int rc;
+
+ /* For now, we don't have devices that change physically. */
+ if (!IsMaster(device))
+ return;
+
+ rc = dixLookupDevice(&slave, dce->sourceid, serverClient, DixReadAccess);
+
+ if (rc != Success)
+ return; /* Device has disappeared */
+
+ if (!slave->u.master)
+ return; /* set floating since the event */
+
+ if (slave->u.master->id != dce->masterid)
+ return; /* not our slave anymore, don't care */
+
+ /* FIXME: we probably need to send a DCE for the new slave now */
+
+ device->public.devicePrivate = slave->public.devicePrivate;
+
+ /* FIXME: the classes may have changed since we generated the event. */
+ DeepCopyDeviceClasses(slave, device, dce);
+ XISendDeviceChangedEvent(slave, device, dce);
+}
+
+/**
+ * Update the device state according to the data in the event.
+ *
+ * return values are
+ * DEFAULT ... process as normal
+ * DONT_PROCESS ... return immediately from caller
+ */
+#define DEFAULT 0
+#define DONT_PROCESS 1
+int
+UpdateDeviceState(DeviceIntPtr device, DeviceEvent* event)
+{
+ int i;
+ int key = 0,
+ bit = 0,
+ last_valuator;
+
+ KeyClassPtr k = NULL;
+ ButtonClassPtr b = NULL;
+ ValuatorClassPtr v = NULL;
+ BYTE *kptr = NULL;
+
+ /* This event is always the first we get, before the actual events with
+ * the data. However, the way how the DDX is set up, "device" will
+ * actually be the slave device that caused the event.
+ */
+ switch(event->type)
+ {
+ case ET_DeviceChanged:
+ ChangeMasterDeviceClasses(device, (DeviceChangedEvent*)event);
+ return DONT_PROCESS; /* event has been sent already */
+ case ET_Motion:
+ case ET_ButtonPress:
+ case ET_ButtonRelease:
+ case ET_KeyPress:
+ case ET_KeyRelease:
+ case ET_ProximityIn:
+ case ET_ProximityOut:
+ break;
+ default:
+ /* other events don't update the device */
+ return DEFAULT;
+ }
+
+ k = device->key;
+ v = device->valuator;
+ b = device->button;
+
+ key = event->detail.key;
+ bit = 1 << (key & 7);
+
+ /* Update device axis */
+ /* Check valuators first */
+ last_valuator = -1;
+ for (i = 0; i < MAX_VALUATORS; i++)
+ {
+ if (BitIsOn(&event->valuators.mask, i))
+ {
+ if (!v)
+ {
+ ErrorF("[Xi] Valuators reported for non-valuator device '%s'. "
+ "Ignoring event.\n", device->name);
+ return DONT_PROCESS;
+ } else if (v->numAxes < i)
+ {
+ ErrorF("[Xi] Too many valuators reported for device '%s'. "
+ "Ignoring event.\n", device->name);
+ return DONT_PROCESS;
+ }
+ last_valuator = i;
+ }
+ }
+
+ for (i = 0; i <= last_valuator && i < v->numAxes; i++)
+ {
+ if (BitIsOn(&event->valuators.mask, i))
+ {
+ /* XXX: Relative/Absolute mode */
+ v->axisVal[i] = event->valuators.data[i];
+ v->axisVal[i] += (event->valuators.data_frac[i] * 1.0f / (1 << 16) / (1 << 16));
+ }
+ }
+
+ if (event->type == ET_KeyPress) {
+ if (!k)
+ return DONT_PROCESS;
+
+ kptr = &k->down[key >> 3];
+ /* don't allow ddx to generate multiple downs, but repeats are okay */
+ if ((*kptr & bit) && !event->key_repeat)
+ return DONT_PROCESS;
+ if (device->valuator)
+ device->valuator->motionHintWindow = NullWindow;
+ *kptr |= bit;
+ } else if (event->type == ET_KeyRelease) {
+ if (!k)
+ return DONT_PROCESS;
+
+ kptr = &k->down[key >> 3];
+ if (!(*kptr & bit)) /* guard against duplicates */
+ return DONT_PROCESS;
+ if (device->valuator)
+ device->valuator->motionHintWindow = NullWindow;
+ *kptr &= ~bit;
+ } else if (event->type == ET_ButtonPress) {
+ Mask mask;
+ if (!b)
+ return DONT_PROCESS;
+
+ kptr = &b->down[key >> 3];
+ if ((*kptr & bit) != 0)
+ return DONT_PROCESS;
+ *kptr |= bit;
+ if (device->valuator)
+ device->valuator->motionHintWindow = NullWindow;
+ if (!b->map[key])
+ return DONT_PROCESS;
+ b->buttonsDown++;
+ b->motionMask = DeviceButtonMotionMask;
+ if (b->map[key] <= 5)
+ b->state |= (Button1Mask >> 1) << b->map[key];
+
+ /* Add state and motionMask to the filter for this event */
+ mask = DevicePointerMotionMask | b->state | b->motionMask;
+ SetMaskForEvent(device->id, mask, DeviceMotionNotify);
+ mask = PointerMotionMask | b->state | b->motionMask;
+ SetMaskForEvent(device->id, mask, MotionNotify);
+ } else if (event->type == ET_ButtonRelease) {
+ Mask mask;
+ if (!b)
+ return DONT_PROCESS;
+
+ kptr = &b->down[key>>3];
+ if (!(*kptr & bit))
+ return DONT_PROCESS;
+ if (IsMaster(device)) {
+ DeviceIntPtr sd;
+
+ /*
+ * Leave the button down if any slave has the
+ * button still down. Note that this depends on the
+ * event being delivered through the slave first
+ */
+ for (sd = inputInfo.devices; sd; sd = sd->next) {
+ if (IsMaster(sd) || sd->u.master != device)
+ continue;
+ if (!sd->button)
+ continue;
+ if ((sd->button->down[key>>3] & bit) != 0)
+ return DONT_PROCESS;
+ }
+ }
+ *kptr &= ~bit;
+ if (device->valuator)
+ device->valuator->motionHintWindow = NullWindow;
+ if (!b->map[key])
+ return DONT_PROCESS;
+ if (b->buttonsDown >= 1 && !--b->buttonsDown)
+ b->motionMask = 0;
+ if (b->map[key] <= 5)
+ b->state &= ~((Button1Mask >> 1) << b->map[key]);
+
+ /* Add state and motionMask to the filter for this event */
+ mask = DevicePointerMotionMask | b->state | b->motionMask;
+ SetMaskForEvent(device->id, mask, DeviceMotionNotify);
+ mask = PointerMotionMask | b->state | b->motionMask;
+ SetMaskForEvent(device->id, mask, MotionNotify);
+ } else if (event->type == ET_ProximityIn)
+ device->valuator->mode &= ~OutOfProximity;
+ else if (event->type == ET_ProximityOut)
+ device->valuator->mode |= OutOfProximity;
+
+ return DEFAULT;
+}
+
+static void
+ProcessRawEvent(RawDeviceEvent *ev, DeviceIntPtr device)
+{
+ GrabPtr grab = device->deviceGrab.grab;
+
+ if (grab)
+ DeliverGrabbedEvent((InternalEvent*)ev, device, FALSE);
+ else { /* deliver to all root windows */
+ xEvent *xi;
+ int i;
+
+ i = EventToXI2((InternalEvent*)ev, (xEvent**)&xi);
+ if (i != Success)
+ {
+ ErrorF("[Xi] %s: XI2 conversion failed in ProcessRawEvent (%d)\n",
+ device->name, i);
+ return;
+ }
+
+ for (i = 0; i < screenInfo.numScreens; i++)
+ DeliverEventsToWindow(device, WindowTable[i], xi, 1,
+ GetEventFilter(device, xi), NULL);
+ free(xi);
+ }
+}
+
+/**
+ * Main device event processing function.
+ * Called from when processing the events from the event queue.
+ *
+ */
+void
+ProcessOtherEvent(InternalEvent *ev, DeviceIntPtr device)
+{
+ GrabPtr grab;
+ Bool deactivateDeviceGrab = FALSE;
+ int key = 0, rootX, rootY;
+ ButtonClassPtr b;
+ KeyClassPtr k;
+ ValuatorClassPtr v;
+ int ret = 0;
+ int state, i;
+ DeviceIntPtr mouse = NULL, kbd = NULL;
+ DeviceEvent *event = &ev->device_event;
+
+ CHECKEVENT(ev);
+
+ if (ev->any.type == ET_RawKeyPress ||
+ ev->any.type == ET_RawKeyRelease ||
+ ev->any.type == ET_RawButtonPress ||
+ ev->any.type == ET_RawButtonRelease ||
+ ev->any.type == ET_RawMotion)
+ {
+ ProcessRawEvent(&ev->raw_event, device);
+ return;
+ }
+
+ if (IsPointerDevice(device))
+ {
+ kbd = GetPairedDevice(device);
+ mouse = device;
+ if (!kbd->key) /* can happen with floating SDs */
+ kbd = NULL;
+ } else
+ {
+ mouse = GetPairedDevice(device);
+ kbd = device;
+ if (!mouse->valuator || !mouse->button) /* may be float. SDs */
+ mouse = NULL;
+ }
+
+ /* State needs to be assembled BEFORE the device is updated. */
+ state = (kbd && kbd->key) ? XkbStateFieldFromRec(&kbd->key->xkbInfo->state) : 0;
+ state |= (mouse && mouse->button) ? (mouse->button->state) : 0;
+
+ for (i = 0; mouse && mouse->button && i < mouse->button->numButtons; i++)
+ if (BitIsOn(mouse->button->down, i))
+ SetBit(event->buttons, i);
+
+ if (kbd && kbd->key)
+ {
+ XkbStatePtr state;
+ /* we need the state before the event happens */
+ if (event->type == ET_KeyPress || event->type == ET_KeyRelease)
+ state = &kbd->key->xkbInfo->prev_state;
+ else
+ state = &kbd->key->xkbInfo->state;
+
+ event->mods.base = state->base_mods;
+ event->mods.latched = state->latched_mods;
+ event->mods.locked = state->locked_mods;
+ event->mods.effective = state->mods;
+
+ event->group.base = state->base_group;
+ event->group.latched = state->latched_group;
+ event->group.locked = state->locked_group;
+ event->group.effective = state->group;
+ }
+
+ ret = UpdateDeviceState(device, event);
+ if (ret == DONT_PROCESS)
+ return;
+
+ v = device->valuator;
+ b = device->button;
+ k = device->key;
+
+ if (IsMaster(device) || !device->u.master)
+ CheckMotion(event, device);
+
+ switch (event->type)
+ {
+ case ET_Motion:
+ case ET_ButtonPress:
+ case ET_ButtonRelease:
+ case ET_KeyPress:
+ case ET_KeyRelease:
+ case ET_ProximityIn:
+ case ET_ProximityOut:
+ GetSpritePosition(device, &rootX, &rootY);
+ event->root_x = rootX;
+ event->root_y = rootY;
+ NoticeEventTime((InternalEvent*)event);
+ event->corestate = state;
+ key = event->detail.key;
+ break;
+ default:
+ break;
+ }
+
+ if (DeviceEventCallback && !syncEvents.playingEvents) {
+ DeviceEventInfoRec eventinfo;
+ SpritePtr pSprite = device->spriteInfo->sprite;
+
+ /* see comment in EnqueueEvents regarding the next three lines */
+ if (ev->any.type == ET_Motion)
+ ev->device_event.root = WindowTable[pSprite->hotPhys.pScreen->myNum]->drawable.id;
+
+ eventinfo.device = device;
+ eventinfo.event = ev;
+ CallCallbacks(&DeviceEventCallback, (pointer) & eventinfo);
+ }
+
+ grab = device->deviceGrab.grab;
+
+ switch(event->type)
+ {
+ case ET_KeyPress:
+ if (!grab && CheckDeviceGrabs(device, event, 0)) {
+ device->deviceGrab.activatingKey = key;
+ return;
+ }
+ break;
+ case ET_KeyRelease:
+ if (grab && device->deviceGrab.fromPassiveGrab &&
+ (key == device->deviceGrab.activatingKey) &&
+ (device->deviceGrab.grab->type == KeyPress ||
+ device->deviceGrab.grab->type == DeviceKeyPress ||
+ device->deviceGrab.grab->type == XI_KeyPress))
+ deactivateDeviceGrab = TRUE;
+ break;
+ case ET_ButtonPress:
+ event->detail.button = b->map[key];
+ if (!event->detail.button) { /* there's no button 0 */
+ event->detail.button = key;
+ return;
+ }
+ if (!grab && CheckDeviceGrabs(device, event, 0))
+ {
+ /* if a passive grab was activated, the event has been sent
+ * already */
+ return;
+ }
+ break;
+ case ET_ButtonRelease:
+ event->detail.button = b->map[key];
+ if (!event->detail.button) { /* there's no button 0 */
+ event->detail.button = key;
+ return;
+ }
+ if (grab && !b->buttonsDown &&
+ device->deviceGrab.fromPassiveGrab &&
+ (device->deviceGrab.grab->type == ButtonPress ||
+ device->deviceGrab.grab->type == DeviceButtonPress ||
+ device->deviceGrab.grab->type == XI_ButtonPress))
+ deactivateDeviceGrab = TRUE;
+ default:
+ break;
+ }
+
+
+ if (grab)
+ DeliverGrabbedEvent((InternalEvent*)event, device, deactivateDeviceGrab);
+ else if (device->focus && !IsPointerEvent((InternalEvent*)ev))
+ DeliverFocusedEvent(device, (InternalEvent*)event,
+ GetSpriteWindow(device));
+ else
+ DeliverDeviceEvents(GetSpriteWindow(device), (InternalEvent*)event,
+ NullGrab, NullWindow, device);
+
+ if (deactivateDeviceGrab == TRUE)
+ (*device->deviceGrab.DeactivateGrab) (device);
+ event->detail.key = key;
+}
+
+int
+InitProximityClassDeviceStruct(DeviceIntPtr dev)
+{
+ ProximityClassPtr proxc;
+
+ proxc = (ProximityClassPtr) malloc(sizeof(ProximityClassRec));
+ if (!proxc)
+ return FALSE;
+ proxc->sourceid = dev->id;
+ dev->proximity = proxc;
+ return TRUE;
+}
+
+/**
+ * Initialise the device's valuators. The memory must already be allocated,
+ * this function merely inits the matching axis (specified through axnum) to
+ * sane values.
+ *
+ * It is a condition that (minval < maxval).
+ *
+ * @see InitValuatorClassDeviceStruct
+ */
+void
+InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, Atom label, int minval, int maxval,
+ int resolution, int min_res, int max_res)
+{
+ AxisInfoPtr ax;
+
+ if (!dev || !dev->valuator || minval > maxval)
+ return;
+ if (axnum >= dev->valuator->numAxes)
+ return;
+
+ ax = dev->valuator->axes + axnum;
+
+ ax->min_value = minval;
+ ax->max_value = maxval;
+ ax->resolution = resolution;
+ ax->min_resolution = min_res;
+ ax->max_resolution = max_res;
+ ax->label = label;
+}
+
+static void
+FixDeviceStateNotify(DeviceIntPtr dev, deviceStateNotify * ev, KeyClassPtr k,
+ ButtonClassPtr b, ValuatorClassPtr v, int first)
+{
+ ev->type = DeviceStateNotify;
+ ev->deviceid = dev->id;
+ ev->time = currentTime.milliseconds;
+ ev->classes_reported = 0;
+ ev->num_keys = 0;
+ ev->num_buttons = 0;
+ ev->num_valuators = 0;
+
+ if (b) {
+ ev->classes_reported |= (1 << ButtonClass);
+ ev->num_buttons = b->numButtons;
+ memcpy((char*)ev->buttons, (char*)b->down, 4);
+ } else if (k) {
+ ev->classes_reported |= (1 << KeyClass);
+ ev->num_keys = k->xkbInfo->desc->max_key_code -
+ k->xkbInfo->desc->min_key_code;
+ memmove((char *)&ev->keys[0], (char *)k->down, 4);
+ }
+ if (v) {
+ int nval = v->numAxes - first;
+
+ ev->classes_reported |= (1 << ValuatorClass);
+ ev->classes_reported |= (dev->valuator->mode << ModeBitsShift);
+ ev->num_valuators = nval < 3 ? nval : 3;
+ switch (ev->num_valuators) {
+ case 3:
+ ev->valuator2 = v->axisVal[first + 2];
+ case 2:
+ ev->valuator1 = v->axisVal[first + 1];
+ case 1:
+ ev->valuator0 = v->axisVal[first];
+ break;
+ }
+ }
+}
+
+static void
+FixDeviceValuator(DeviceIntPtr dev, deviceValuator * ev, ValuatorClassPtr v,
+ int first)
+{
+ int nval = v->numAxes - first;
+
+ ev->type = DeviceValuator;
+ ev->deviceid = dev->id;
+ ev->num_valuators = nval < 3 ? nval : 3;
+ ev->first_valuator = first;
+ switch (ev->num_valuators) {
+ case 3:
+ ev->valuator2 = v->axisVal[first + 2];
+ case 2:
+ ev->valuator1 = v->axisVal[first + 1];
+ case 1:
+ ev->valuator0 = v->axisVal[first];
+ break;
+ }
+ first += ev->num_valuators;
+}
+
+void
+DeviceFocusEvent(DeviceIntPtr dev, int type, int mode, int detail,
+ WindowPtr pWin)
+{
+ deviceFocus event;
+ xXIFocusInEvent *xi2event;
+ DeviceIntPtr mouse;
+ int btlen, len, i;
+
+ mouse = (IsMaster(dev) || dev->u.master) ? GetMaster(dev, MASTER_POINTER) : dev;
+
+ /* XI 2 event */
+ btlen = (mouse->button) ? bits_to_bytes(mouse->button->numButtons) : 0;
+ btlen = bytes_to_int32(btlen);
+ len = sizeof(xXIFocusInEvent) + btlen * 4;
+
+ xi2event = calloc(1, len);
+ xi2event->type = GenericEvent;
+ xi2event->extension = IReqCode;
+ xi2event->evtype = type;
+ xi2event->length = bytes_to_int32(len - sizeof(xEvent));
+ xi2event->buttons_len = btlen;
+ xi2event->detail = detail;
+ xi2event->time = currentTime.milliseconds;
+ xi2event->deviceid = dev->id;
+ xi2event->sourceid = dev->id; /* a device doesn't change focus by itself */
+ xi2event->mode = mode;
+ xi2event->root_x = FP1616(mouse->spriteInfo->sprite->hot.x, 0);
+ xi2event->root_y = FP1616(mouse->spriteInfo->sprite->hot.y, 0);
+
+ for (i = 0; mouse && mouse->button && i < mouse->button->numButtons; i++)
+ if (BitIsOn(mouse->button->down, i))
+ SetBit(&xi2event[1], i);
+
+ if (dev->key)
+ {
+ xi2event->mods.base_mods = dev->key->xkbInfo->state.base_mods;
+ xi2event->mods.latched_mods = dev->key->xkbInfo->state.latched_mods;
+ xi2event->mods.locked_mods = dev->key->xkbInfo->state.locked_mods;
+ xi2event->mods.effective_mods = dev->key->xkbInfo->state.mods;
+
+ xi2event->group.base_group = dev->key->xkbInfo->state.base_group;
+ xi2event->group.latched_group = dev->key->xkbInfo->state.latched_group;
+ xi2event->group.locked_group = dev->key->xkbInfo->state.locked_group;
+ xi2event->group.effective_group = dev->key->xkbInfo->state.group;
+ }
+
+ FixUpEventFromWindow(dev, (xEvent*)xi2event, pWin, None, FALSE);
+
+ DeliverEventsToWindow(dev, pWin, (xEvent*)xi2event, 1,
+ GetEventFilter(dev, (xEvent*)xi2event), NullGrab);
+
+ free(xi2event);
+
+ /* XI 1.x event */
+ event.deviceid = dev->id;
+ event.mode = mode;
+ event.type = (type == XI_FocusIn) ? DeviceFocusIn : DeviceFocusOut;
+ event.detail = detail;
+ event.window = pWin->drawable.id;
+ event.time = currentTime.milliseconds;
+
+ DeliverEventsToWindow(dev, pWin, (xEvent *) & event, 1,
+ DeviceFocusChangeMask, NullGrab);
+
+ if ((type == DeviceFocusIn) &&
+ (wOtherInputMasks(pWin)) &&
+ (wOtherInputMasks(pWin)->inputEvents[dev->id] & DeviceStateNotifyMask))
+ {
+ int evcount = 1;
+ deviceStateNotify *ev, *sev;
+ deviceKeyStateNotify *kev;
+ deviceButtonStateNotify *bev;
+
+ KeyClassPtr k;
+ ButtonClassPtr b;
+ ValuatorClassPtr v;
+ int nval = 0, nkeys = 0, nbuttons = 0, first = 0;
+
+ if ((b = dev->button) != NULL) {
+ nbuttons = b->numButtons;
+ if (nbuttons > 32)
+ evcount++;
+ }
+ if ((k = dev->key) != NULL) {
+ nkeys = k->xkbInfo->desc->max_key_code -
+ k->xkbInfo->desc->min_key_code;
+ if (nkeys > 32)
+ evcount++;
+ if (nbuttons > 0) {
+ evcount++;
+ }
+ }
+ if ((v = dev->valuator) != NULL) {
+ nval = v->numAxes;
+
+ if (nval > 3)
+ evcount++;
+ if (nval > 6) {
+ if (!(k && b))
+ evcount++;
+ if (nval > 9)
+ evcount += ((nval - 7) / 3);
+ }
+ }
+
+ sev = ev = (deviceStateNotify *) malloc(evcount * sizeof(xEvent));
+ FixDeviceStateNotify(dev, ev, NULL, NULL, NULL, first);
+
+ if (b != NULL) {
+ FixDeviceStateNotify(dev, ev++, NULL, b, v, first);
+ first += 3;
+ nval -= 3;
+ if (nbuttons > 32) {
+ (ev - 1)->deviceid |= MORE_EVENTS;
+ bev = (deviceButtonStateNotify *) ev++;
+ bev->type = DeviceButtonStateNotify;
+ bev->deviceid = dev->id;
+ memcpy((char*)&bev->buttons[4], (char*)&b->down[4], DOWN_LENGTH - 4);
+ }
+ if (nval > 0) {
+ (ev - 1)->deviceid |= MORE_EVENTS;
+ FixDeviceValuator(dev, (deviceValuator *) ev++, v, first);
+ first += 3;
+ nval -= 3;
+ }
+ }
+
+ if (k != NULL) {
+ FixDeviceStateNotify(dev, ev++, k, NULL, v, first);
+ first += 3;
+ nval -= 3;
+ if (nkeys > 32) {
+ (ev - 1)->deviceid |= MORE_EVENTS;
+ kev = (deviceKeyStateNotify *) ev++;
+ kev->type = DeviceKeyStateNotify;
+ kev->deviceid = dev->id;
+ memmove((char *)&kev->keys[0], (char *)&k->down[4], 28);
+ }
+ if (nval > 0) {
+ (ev - 1)->deviceid |= MORE_EVENTS;
+ FixDeviceValuator(dev, (deviceValuator *) ev++, v, first);
+ first += 3;
+ nval -= 3;
+ }
+ }
+
+ while (nval > 0) {
+ FixDeviceStateNotify(dev, ev++, NULL, NULL, v, first);
+ first += 3;
+ nval -= 3;
+ if (nval > 0) {
+ (ev - 1)->deviceid |= MORE_EVENTS;
+ FixDeviceValuator(dev, (deviceValuator *) ev++, v, first);
+ first += 3;
+ nval -= 3;
+ }
+ }
+
+ DeliverEventsToWindow(dev, pWin, (xEvent *) sev, evcount,
+ DeviceStateNotifyMask, NullGrab);
+ free(sev);
+ }
+}
+
+int
+CheckGrabValues(ClientPtr client, GrabParameters* param)
+{
+ if (param->grabtype != GRABTYPE_CORE &&
+ param->grabtype != GRABTYPE_XI &&
+ param->grabtype != GRABTYPE_XI2)
+ {
+ ErrorF("[Xi] grabtype is invalid. This is a bug.\n");
+ return BadImplementation;
+ }
+
+ if ((param->this_device_mode != GrabModeSync) &&
+ (param->this_device_mode != GrabModeAsync)) {
+ client->errorValue = param->this_device_mode;
+ return BadValue;
+ }
+ if ((param->other_devices_mode != GrabModeSync) &&
+ (param->other_devices_mode != GrabModeAsync)) {
+ client->errorValue = param->other_devices_mode;
+ return BadValue;
+ }
+
+ if (param->grabtype != GRABTYPE_XI2 && (param->modifiers != AnyModifier) &&
+ (param->modifiers & ~AllModifiersMask)) {
+ client->errorValue = param->modifiers;
+ return BadValue;
+ }
+
+ if ((param->ownerEvents != xFalse) && (param->ownerEvents != xTrue)) {
+ client->errorValue = param->ownerEvents;
+ return BadValue;
+ }
+ return Success;
+}
+
+int
+GrabButton(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device,
+ int button, GrabParameters *param, GrabType grabtype,
+ GrabMask *mask)
+{
+ WindowPtr pWin, confineTo;
+ CursorPtr cursor;
+ GrabPtr grab;
+ int rc, type = -1;
+ Mask access_mode = DixGrabAccess;
+
+ rc = CheckGrabValues(client, param);
+ if (rc != Success)
+ return rc;
+ if (param->confineTo == None)
+ confineTo = NullWindow;
+ else {
+ rc = dixLookupWindow(&confineTo, param->confineTo, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ }
+ if (param->cursor == None)
+ cursor = NullCursor;
+ else {
+ rc = dixLookupResourceByType((pointer *)&cursor, param->cursor,
+ RT_CURSOR, client, DixUseAccess);
+ if (rc != Success)
+ {
+ client->errorValue = param->cursor;
+ return (rc == BadValue) ? BadCursor : rc;
+ }
+ access_mode |= DixForceAccess;
+ }
+ if (param->this_device_mode == GrabModeSync || param->other_devices_mode == GrabModeSync)
+ access_mode |= DixFreezeAccess;
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode);
+ if (rc != Success)
+ return rc;
+ rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ if (grabtype == GRABTYPE_XI)
+ type = DeviceButtonPress;
+ else if (grabtype == GRABTYPE_XI2)
+ type = XI_ButtonPress;
+
+ grab = CreateGrab(client->index, dev, modifier_device, pWin, grabtype,
+ mask, param, type, button, confineTo, cursor);
+ if (!grab)
+ return BadAlloc;
+ return AddPassiveGrabToList(client, grab);
+}
+
+/**
+ * Grab the given key. If grabtype is GRABTYPE_XI, the key is a keycode. If
+ * grabtype is GRABTYPE_XI2, the key is a keysym.
+ */
+int
+GrabKey(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device,
+ int key, GrabParameters *param, GrabType grabtype, GrabMask *mask)
+{
+ WindowPtr pWin;
+ GrabPtr grab;
+ KeyClassPtr k = dev->key;
+ Mask access_mode = DixGrabAccess;
+ int rc, type = -1;
+
+ rc = CheckGrabValues(client, param);
+ if (rc != Success)
+ return rc;
+ if (k == NULL)
+ return BadMatch;
+ if (grabtype == GRABTYPE_XI)
+ {
+ if ((key > k->xkbInfo->desc->max_key_code ||
+ key < k->xkbInfo->desc->min_key_code)
+ && (key != AnyKey)) {
+ client->errorValue = key;
+ return BadValue;
+ }
+ type = DeviceKeyPress;
+ } else if (grabtype == GRABTYPE_XI2)
+ type = XI_KeyPress;
+
+ rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ if (param->this_device_mode == GrabModeSync || param->other_devices_mode == GrabModeSync)
+ access_mode |= DixFreezeAccess;
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode);
+ if (rc != Success)
+ return rc;
+
+ grab = CreateGrab(client->index, dev, modifier_device, pWin, grabtype,
+ mask, param, type, key, NULL, NULL);
+ if (!grab)
+ return BadAlloc;
+ return AddPassiveGrabToList(client, grab);
+}
+
+/* Enter/FocusIn grab */
+int
+GrabWindow(ClientPtr client, DeviceIntPtr dev, int type,
+ GrabParameters *param, GrabMask *mask)
+{
+ WindowPtr pWin;
+ CursorPtr cursor;
+ GrabPtr grab;
+ Mask access_mode = DixGrabAccess;
+ int rc;
+
+ rc = CheckGrabValues(client, param);
+ if (rc != Success)
+ return rc;
+
+ rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ if (param->cursor == None)
+ cursor = NullCursor;
+ else {
+ rc = dixLookupResourceByType((pointer *)&cursor, param->cursor,
+ RT_CURSOR, client, DixUseAccess);
+ if (rc != Success)
+ {
+ client->errorValue = param->cursor;
+ return (rc == BadValue) ? BadCursor : rc;
+ }
+ access_mode |= DixForceAccess;
+ }
+ if (param->this_device_mode == GrabModeSync || param->other_devices_mode == GrabModeSync)
+ access_mode |= DixFreezeAccess;
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode);
+ if (rc != Success)
+ return rc;
+
+ grab = CreateGrab(client->index, dev, dev, pWin, GRABTYPE_XI2,
+ mask, param, (type == XIGrabtypeEnter) ? XI_Enter : XI_FocusIn,
+ 0, NULL, cursor);
+
+ if (!grab)
+ return BadAlloc;
+
+ return AddPassiveGrabToList(client, grab);
+}
+
+int
+SelectForWindow(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client,
+ Mask mask, Mask exclusivemasks)
+{
+ int mskidx = dev->id;
+ int i, ret;
+ Mask check;
+ InputClientsPtr others;
+
+ check = (mask & exclusivemasks);
+ if (wOtherInputMasks(pWin)) {
+ if (check & wOtherInputMasks(pWin)->inputEvents[mskidx]) { /* It is illegal for two different
+ * clients to select on any of the
+ * events for maskcheck. However,
+ * it is OK, for some client to
+ * continue selecting on one of those
+ * events. */
+ for (others = wOtherInputMasks(pWin)->inputClients; others;
+ others = others->next) {
+ if (!SameClient(others, client) && (check &
+ others->mask[mskidx]))
+ return BadAccess;
+ }
+ }
+ for (others = wOtherInputMasks(pWin)->inputClients; others;
+ others = others->next) {
+ if (SameClient(others, client)) {
+ check = others->mask[mskidx];
+ others->mask[mskidx] = mask;
+ if (mask == 0) {
+ for (i = 0; i < EMASKSIZE; i++)
+ if (i != mskidx && others->mask[i] != 0)
+ break;
+ if (i == EMASKSIZE) {
+ RecalculateDeviceDeliverableEvents(pWin);
+ if (ShouldFreeInputMasks(pWin, FALSE))
+ FreeResource(others->resource, RT_NONE);
+ return Success;
+ }
+ }
+ goto maskSet;
+ }
+ }
+ }
+ check = 0;
+ if ((ret = AddExtensionClient(pWin, client, mask, mskidx)) != Success)
+ return ret;
+ maskSet:
+ if (dev->valuator)
+ if ((dev->valuator->motionHintWindow == pWin) &&
+ (mask & DevicePointerMotionHintMask) &&
+ !(check & DevicePointerMotionHintMask) && !dev->deviceGrab.grab)
+ dev->valuator->motionHintWindow = NullWindow;
+ RecalculateDeviceDeliverableEvents(pWin);
+ return Success;
+}
+
+int
+AddExtensionClient(WindowPtr pWin, ClientPtr client, Mask mask, int mskidx)
+{
+ InputClientsPtr others;
+
+ if (!pWin->optional && !MakeWindowOptional(pWin))
+ return BadAlloc;
+ others = calloc(1, sizeof(InputClients));
+ if (!others)
+ return BadAlloc;
+ if (!pWin->optional->inputMasks && !MakeInputMasks(pWin))
+ return BadAlloc;
+ others->mask[mskidx] = mask;
+ others->resource = FakeClientID(client->index);
+ others->next = pWin->optional->inputMasks->inputClients;
+ pWin->optional->inputMasks->inputClients = others;
+ if (!AddResource(others->resource, RT_INPUTCLIENT, (pointer) pWin))
+ return BadAlloc;
+ return Success;
+}
+
+static Bool
+MakeInputMasks(WindowPtr pWin)
+{
+ struct _OtherInputMasks *imasks;
+
+ imasks = calloc(1, sizeof(struct _OtherInputMasks));
+ if (!imasks)
+ return FALSE;
+ pWin->optional->inputMasks = imasks;
+ return TRUE;
+}
+
+void
+RecalculateDeviceDeliverableEvents(WindowPtr pWin)
+{
+ InputClientsPtr others;
+ struct _OtherInputMasks *inputMasks; /* default: NULL */
+ WindowPtr pChild, tmp;
+ int i, j;
+
+ pChild = pWin;
+ while (1) {
+ if ((inputMasks = wOtherInputMasks(pChild)) != 0) {
+ for (i = 0; i < EMASKSIZE; i++)
+ memset(inputMasks->xi2mask[i], 0, sizeof(inputMasks->xi2mask[i]));
+ for (others = inputMasks->inputClients; others;
+ others = others->next) {
+ for (i = 0; i < EMASKSIZE; i++)
+ inputMasks->inputEvents[i] |= others->mask[i];
+ for (i = 0; i < EMASKSIZE; i++)
+ for (j = 0; j < XI2MASKSIZE; j++)
+ inputMasks->xi2mask[i][j] |= others->xi2mask[i][j];
+ }
+ for (i = 0; i < EMASKSIZE; i++)
+ inputMasks->deliverableEvents[i] = inputMasks->inputEvents[i];
+ for (tmp = pChild->parent; tmp; tmp = tmp->parent)
+ if (wOtherInputMasks(tmp))
+ for (i = 0; i < EMASKSIZE; i++)
+ inputMasks->deliverableEvents[i] |=
+ (wOtherInputMasks(tmp)->deliverableEvents[i]
+ & ~inputMasks->
+ dontPropagateMask[i] & PropagateMask[i]);
+ }
+ if (pChild->firstChild) {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ while (!pChild->nextSib && (pChild != pWin))
+ pChild = pChild->parent;
+ if (pChild == pWin)
+ break;
+ pChild = pChild->nextSib;
+ }
+}
+
+int
+InputClientGone(WindowPtr pWin, XID id)
+{
+ InputClientsPtr other, prev;
+
+ if (!wOtherInputMasks(pWin))
+ return (Success);
+ prev = 0;
+ for (other = wOtherInputMasks(pWin)->inputClients; other;
+ other = other->next) {
+ if (other->resource == id) {
+ if (prev) {
+ prev->next = other->next;
+ free(other);
+ } else if (!(other->next)) {
+ if (ShouldFreeInputMasks(pWin, TRUE)) {
+ wOtherInputMasks(pWin)->inputClients = other->next;
+ free(wOtherInputMasks(pWin));
+ pWin->optional->inputMasks = (OtherInputMasks *) NULL;
+ CheckWindowOptionalNeed(pWin);
+ free(other);
+ } else {
+ other->resource = FakeClientID(0);
+ if (!AddResource(other->resource, RT_INPUTCLIENT,
+ (pointer) pWin))
+ return BadAlloc;
+ }
+ } else {
+ wOtherInputMasks(pWin)->inputClients = other->next;
+ free(other);
+ }
+ RecalculateDeviceDeliverableEvents(pWin);
+ return (Success);
+ }
+ prev = other;
+ }
+ FatalError("client not on device event list");
+}
+
+int
+SendEvent(ClientPtr client, DeviceIntPtr d, Window dest, Bool propagate,
+ xEvent * ev, Mask mask, int count)
+{
+ WindowPtr pWin;
+ WindowPtr effectiveFocus = NullWindow; /* only set if dest==InputFocus */
+ WindowPtr spriteWin = GetSpriteWindow(d);
+
+ if (dest == PointerWindow)
+ pWin = spriteWin;
+ else if (dest == InputFocus) {
+ WindowPtr inputFocus;
+
+ if (!d->focus)
+ inputFocus = spriteWin;
+ else
+ inputFocus = d->focus->win;
+
+ if (inputFocus == FollowKeyboardWin)
+ inputFocus = inputInfo.keyboard->focus->win;
+
+ if (inputFocus == NoneWin)
+ return Success;
+
+ /* If the input focus is PointerRootWin, send the event to where
+ * the pointer is if possible, then perhaps propogate up to root. */
+ if (inputFocus == PointerRootWin)
+ inputFocus = GetCurrentRootWindow(d);
+
+ if (IsParent(inputFocus, spriteWin)) {
+ effectiveFocus = inputFocus;
+ pWin = spriteWin;
+ } else
+ effectiveFocus = pWin = inputFocus;
+ } else
+ dixLookupWindow(&pWin, dest, client, DixSendAccess);
+ if (!pWin)
+ return BadWindow;
+ if ((propagate != xFalse) && (propagate != xTrue)) {
+ client->errorValue = propagate;
+ return BadValue;
+ }
+ ev->u.u.type |= 0x80;
+ if (propagate) {
+ for (; pWin; pWin = pWin->parent) {
+ if (DeliverEventsToWindow(d, pWin, ev, count, mask, NullGrab))
+ return Success;
+ if (pWin == effectiveFocus)
+ return Success;
+ if (wOtherInputMasks(pWin))
+ mask &= ~wOtherInputMasks(pWin)->dontPropagateMask[d->id];
+ if (!mask)
+ break;
+ }
+ } else if (!XaceHook(XACE_SEND_ACCESS, client, NULL, pWin, ev, count))
+ DeliverEventsToWindow(d, pWin, ev, count, mask, NullGrab);
+ return Success;
+}
+
+int
+SetButtonMapping(ClientPtr client, DeviceIntPtr dev, int nElts, BYTE * map)
+{
+ int i;
+ ButtonClassPtr b = dev->button;
+
+ if (b == NULL)
+ return BadMatch;
+
+ if (nElts != b->numButtons) {
+ client->errorValue = nElts;
+ return BadValue;
+ }
+ if (BadDeviceMap(&map[0], nElts, 1, 255, &client->errorValue))
+ return BadValue;
+ for (i = 0; i < nElts; i++)
+ if ((b->map[i + 1] != map[i]) && BitIsOn(b->down, i + 1))
+ return MappingBusy;
+ for (i = 0; i < nElts; i++)
+ b->map[i + 1] = map[i];
+ return Success;
+}
+
+int
+ChangeKeyMapping(ClientPtr client,
+ DeviceIntPtr dev,
+ unsigned len,
+ int type,
+ KeyCode firstKeyCode,
+ CARD8 keyCodes, CARD8 keySymsPerKeyCode, KeySym * map)
+{
+ KeySymsRec keysyms;
+ KeyClassPtr k = dev->key;
+
+ if (k == NULL)
+ return (BadMatch);
+
+ if (len != (keyCodes * keySymsPerKeyCode))
+ return BadLength;
+
+ if ((firstKeyCode < k->xkbInfo->desc->min_key_code) ||
+ (firstKeyCode + keyCodes - 1 > k->xkbInfo->desc->max_key_code)) {
+ client->errorValue = firstKeyCode;
+ return BadValue;
+ }
+ if (keySymsPerKeyCode == 0) {
+ client->errorValue = 0;
+ return BadValue;
+ }
+ keysyms.minKeyCode = firstKeyCode;
+ keysyms.maxKeyCode = firstKeyCode + keyCodes - 1;
+ keysyms.mapWidth = keySymsPerKeyCode;
+ keysyms.map = map;
+
+ XkbApplyMappingChange(dev, &keysyms, firstKeyCode, keyCodes, NULL,
+ serverClient);
+
+ return Success;
+}
+
+static void
+DeleteDeviceFromAnyExtEvents(WindowPtr pWin, DeviceIntPtr dev)
+{
+ WindowPtr parent;
+
+ /* Deactivate any grabs performed on this window, before making
+ * any input focus changes.
+ * Deactivating a device grab should cause focus events. */
+
+ if (dev->deviceGrab.grab && (dev->deviceGrab.grab->window == pWin))
+ (*dev->deviceGrab.DeactivateGrab) (dev);
+
+ /* If the focus window is a root window (ie. has no parent)
+ * then don't delete the focus from it. */
+
+ if (dev->focus && (pWin == dev->focus->win) && (pWin->parent != NullWindow)) {
+ int focusEventMode = NotifyNormal;
+
+ /* If a grab is in progress, then alter the mode of focus events. */
+
+ if (dev->deviceGrab.grab)
+ focusEventMode = NotifyWhileGrabbed;
+
+ switch (dev->focus->revert) {
+ case RevertToNone:
+ if (!ActivateFocusInGrab(dev, pWin, NoneWin))
+ DoFocusEvents(dev, pWin, NoneWin, focusEventMode);
+ dev->focus->win = NoneWin;
+ dev->focus->traceGood = 0;
+ break;
+ case RevertToParent:
+ parent = pWin;
+ do {
+ parent = parent->parent;
+ dev->focus->traceGood--;
+ }
+ while (!parent->realized);
+ if (!ActivateFocusInGrab(dev, pWin, parent))
+ DoFocusEvents(dev, pWin, parent, focusEventMode);
+ dev->focus->win = parent;
+ dev->focus->revert = RevertToNone;
+ break;
+ case RevertToPointerRoot:
+ if (!ActivateFocusInGrab(dev, pWin, PointerRootWin))
+ DoFocusEvents(dev, pWin, PointerRootWin, focusEventMode);
+ dev->focus->win = PointerRootWin;
+ dev->focus->traceGood = 0;
+ break;
+ case RevertToFollowKeyboard:
+ {
+ DeviceIntPtr kbd = GetMaster(dev, MASTER_KEYBOARD);
+ if (!kbd || (kbd == dev && kbd != inputInfo.keyboard))
+ kbd = inputInfo.keyboard;
+ if (kbd->focus->win) {
+ if (!ActivateFocusInGrab(dev, pWin, kbd->focus->win))
+ DoFocusEvents(dev, pWin, kbd->focus->win, focusEventMode);
+ dev->focus->win = FollowKeyboardWin;
+ dev->focus->traceGood = 0;
+ } else {
+ if (!ActivateFocusInGrab(dev, pWin, NoneWin))
+ DoFocusEvents(dev, pWin, NoneWin, focusEventMode);
+ dev->focus->win = NoneWin;
+ dev->focus->traceGood = 0;
+ }
+ }
+ break;
+ }
+ }
+
+ if (dev->valuator)
+ if (dev->valuator->motionHintWindow == pWin)
+ dev->valuator->motionHintWindow = NullWindow;
+}
+
+void
+DeleteWindowFromAnyExtEvents(WindowPtr pWin, Bool freeResources)
+{
+ int i;
+ DeviceIntPtr dev;
+ InputClientsPtr ic;
+ struct _OtherInputMasks *inputMasks;
+
+ for (dev = inputInfo.devices; dev; dev = dev->next) {
+ DeleteDeviceFromAnyExtEvents(pWin, dev);
+ }
+
+ for (dev = inputInfo.off_devices; dev; dev = dev->next)
+ DeleteDeviceFromAnyExtEvents(pWin, dev);
+
+ if (freeResources)
+ while ((inputMasks = wOtherInputMasks(pWin)) != 0) {
+ ic = inputMasks->inputClients;
+ for (i = 0; i < EMASKSIZE; i++)
+ inputMasks->dontPropagateMask[i] = 0;
+ FreeResource(ic->resource, RT_NONE);
+ }
+}
+
+int
+MaybeSendDeviceMotionNotifyHint(deviceKeyButtonPointer * pEvents, Mask mask)
+{
+ DeviceIntPtr dev;
+
+ dixLookupDevice(&dev, pEvents->deviceid & DEVICE_BITS, serverClient,
+ DixReadAccess);
+ if (!dev)
+ return 0;
+
+ if (pEvents->type == DeviceMotionNotify) {
+ if (mask & DevicePointerMotionHintMask) {
+ if (WID(dev->valuator->motionHintWindow) == pEvents->event) {
+ return 1; /* don't send, but pretend we did */
+ }
+ pEvents->detail = NotifyHint;
+ } else {
+ pEvents->detail = NotifyNormal;
+ }
+ }
+ return (0);
+}
+
+void
+CheckDeviceGrabAndHintWindow(WindowPtr pWin, int type,
+ deviceKeyButtonPointer * xE, GrabPtr grab,
+ ClientPtr client, Mask deliveryMask)
+{
+ DeviceIntPtr dev;
+
+ dixLookupDevice(&dev, xE->deviceid & DEVICE_BITS, serverClient,
+ DixGrabAccess);
+ if (!dev)
+ return;
+
+ if (type == DeviceMotionNotify)
+ dev->valuator->motionHintWindow = pWin;
+ else if ((type == DeviceButtonPress) && (!grab) &&
+ (deliveryMask & DeviceButtonGrabMask)) {
+ GrabRec tempGrab;
+
+ tempGrab.device = dev;
+ tempGrab.resource = client->clientAsMask;
+ tempGrab.window = pWin;
+ tempGrab.ownerEvents =
+ (deliveryMask & DeviceOwnerGrabButtonMask) ? TRUE : FALSE;
+ tempGrab.eventMask = deliveryMask;
+ tempGrab.keyboardMode = GrabModeAsync;
+ tempGrab.pointerMode = GrabModeAsync;
+ tempGrab.confineTo = NullWindow;
+ tempGrab.cursor = NullCursor;
+ tempGrab.next = NULL;
+ (*dev->deviceGrab.ActivateGrab) (dev, &tempGrab, currentTime, TRUE);
+ }
+}
+
+static Mask
+DeviceEventMaskForClient(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client)
+{
+ InputClientsPtr other;
+
+ if (!wOtherInputMasks(pWin))
+ return 0;
+ for (other = wOtherInputMasks(pWin)->inputClients; other;
+ other = other->next) {
+ if (SameClient(other, client))
+ return other->mask[dev->id];
+ }
+ return 0;
+}
+
+void
+MaybeStopDeviceHint(DeviceIntPtr dev, ClientPtr client)
+{
+ WindowPtr pWin;
+ GrabPtr grab = dev->deviceGrab.grab;
+
+ pWin = dev->valuator->motionHintWindow;
+
+ if ((grab && SameClient(grab, client) &&
+ ((grab->eventMask & DevicePointerMotionHintMask) ||
+ (grab->ownerEvents &&
+ (DeviceEventMaskForClient(dev, pWin, client) &
+ DevicePointerMotionHintMask)))) ||
+ (!grab &&
+ (DeviceEventMaskForClient(dev, pWin, client) &
+ DevicePointerMotionHintMask)))
+ dev->valuator->motionHintWindow = NullWindow;
+}
+
+int
+DeviceEventSuppressForWindow(WindowPtr pWin, ClientPtr client, Mask mask,
+ int maskndx)
+{
+ struct _OtherInputMasks *inputMasks = wOtherInputMasks(pWin);
+
+ if (mask & ~PropagateMask[maskndx]) {
+ client->errorValue = mask;
+ return BadValue;
+ }
+
+ if (mask == 0) {
+ if (inputMasks)
+ inputMasks->dontPropagateMask[maskndx] = mask;
+ } else {
+ if (!inputMasks)
+ AddExtensionClient(pWin, client, 0, 0);
+ inputMasks = wOtherInputMasks(pWin);
+ inputMasks->dontPropagateMask[maskndx] = mask;
+ }
+ RecalculateDeviceDeliverableEvents(pWin);
+ if (ShouldFreeInputMasks(pWin, FALSE))
+ FreeResource(inputMasks->inputClients->resource, RT_NONE);
+ return Success;
+}
+
+Bool
+ShouldFreeInputMasks(WindowPtr pWin, Bool ignoreSelectedEvents)
+{
+ int i;
+ Mask allInputEventMasks = 0;
+ struct _OtherInputMasks *inputMasks = wOtherInputMasks(pWin);
+
+ for (i = 0; i < EMASKSIZE; i++)
+ allInputEventMasks |= inputMasks->dontPropagateMask[i];
+ if (!ignoreSelectedEvents)
+ for (i = 0; i < EMASKSIZE; i++)
+ allInputEventMasks |= inputMasks->inputEvents[i];
+ if (allInputEventMasks == 0)
+ return TRUE;
+ else
+ return FALSE;
+}
+
+/***********************************************************************
+ *
+ * Walk through the window tree, finding all clients that want to know
+ * about the Event.
+ *
+ */
+
+static void
+FindInterestedChildren(DeviceIntPtr dev, WindowPtr p1, Mask mask,
+ xEvent * ev, int count)
+{
+ WindowPtr p2;
+
+ while (p1) {
+ p2 = p1->firstChild;
+ DeliverEventsToWindow(dev, p1, ev, count, mask, NullGrab);
+ FindInterestedChildren(dev, p2, mask, ev, count);
+ p1 = p1->nextSib;
+ }
+}
+
+/***********************************************************************
+ *
+ * Send an event to interested clients in all windows on all screens.
+ *
+ */
+
+void
+SendEventToAllWindows(DeviceIntPtr dev, Mask mask, xEvent * ev, int count)
+{
+ int i;
+ WindowPtr pWin, p1;
+
+ for (i = 0; i < screenInfo.numScreens; i++) {
+ pWin = WindowTable[i];
+ if (!pWin)
+ continue;
+ DeliverEventsToWindow(dev, pWin, ev, count, mask, NullGrab);
+ p1 = pWin->firstChild;
+ FindInterestedChildren(dev, p1, mask, ev, count);
+ }
+}
+
+/**
+ * Set the XI2 mask for the given client on the given window.
+ * @param dev The device to set the mask for.
+ * @param win The window to set the mask on.
+ * @param client The client setting the mask.
+ * @param len Number of bytes in mask.
+ * @param mask Event mask in the form of (1 << eventtype)
+ */
+int
+XISetEventMask(DeviceIntPtr dev, WindowPtr win, ClientPtr client,
+ unsigned int len, unsigned char* mask)
+{
+ OtherInputMasks *masks;
+ InputClientsPtr others = NULL;
+
+ masks = wOtherInputMasks(win);
+ if (masks)
+ {
+ for (others = wOtherInputMasks(win)->inputClients; others;
+ others = others->next) {
+ if (SameClient(others, client)) {
+ memset(others->xi2mask[dev->id], 0,
+ sizeof(others->xi2mask[dev->id]));
+ break;
+ }
+ }
+ }
+
+ len = min(len, sizeof(others->xi2mask[dev->id]));
+
+ if (len && !others)
+ {
+ if (AddExtensionClient(win, client, 0, 0) != Success)
+ return BadAlloc;
+ others= wOtherInputMasks(win)->inputClients;
+ }
+
+ if (others)
+ memset(others->xi2mask[dev->id], 0, sizeof(others->xi2mask[dev->id]));
+
+ if (len)
+ memcpy(others->xi2mask[dev->id], mask, len);
+
+ RecalculateDeviceDeliverableEvents(win);
+
+ return Success;
+}
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