#define NEED_EVENTS
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <X11/X.h>
#include <X11/Xproto.h>
#include <X11/extensions/XI.h>
#include <X11/extensions/XIproto.h>
#include "inputstr.h"
#include "windowstr.h"
#include "miscstruct.h"
#include "region.h"
#include "exevents.h"
#include "extnsionst.h"
#include "extinit.h"
#include "exglobals.h"
#include "dixevents.h"
#include "dixgrabs.h"
#include "chgptr.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 )
#define Motion_Filter(class) (DevicePointerMotionMask | \
(class)->state | (class)->motionMask)
static Bool ShouldFreeInputMasks(WindowPtr ,
Bool
);
static Bool MakeInputMasks(WindowPtr
);
void
RegisterOtherDevice(DeviceIntPtr device)
{
device->public.processInputProc = ProcessOtherEvent;
device->public.realInputProc = ProcessOtherEvent;
(device)->ActivateGrab = ActivateKeyboardGrab;
(device)->DeactivateGrab = DeactivateKeyboardGrab;
}
void
ProcessOtherEvent(xEventPtr xE, register DeviceIntPtr other, int count)
{
register BYTE *kptr;
register int i;
register CARD16 modifiers;
register CARD16 mask;
GrabPtr grab = other->grab;
Bool deactivateDeviceGrab = FALSE;
int key = 0, bit = 0, rootX, rootY;
ButtonClassPtr b = other->button;
KeyClassPtr k = other->key;
ValuatorClassPtr v = other->valuator;
deviceValuator *xV = (deviceValuator *) xE;
if (xE->u.u.type != DeviceValuator) {
GetSpritePosition(&rootX, &rootY);
xE->u.keyButtonPointer.rootX = rootX;
xE->u.keyButtonPointer.rootY = rootY;
key = xE->u.u.detail;
NoticeEventTime(xE);
xE->u.keyButtonPointer.state = inputInfo.keyboard->key->state |
inputInfo.pointer->button->state;
bit = 1 << (key & 7);
}
if (DeviceEventCallback) {
DeviceEventInfoRec eventinfo;
eventinfo.events = (xEventPtr) xE;
eventinfo.count = count;
CallCallbacks(&DeviceEventCallback, (pointer) & eventinfo);
}
for (i = 1; i < count; i++)
if ((++xV)->type == DeviceValuator) {
int first = xV->first_valuator;
int *axisvals;
if (xV->num_valuators
&& (!v
|| (xV->num_valuators
&& (first + xV->num_valuators > v->numAxes))))
FatalError("Bad valuators reported for device %s\n",
other->name);
xV->device_state = 0;
if (k)
xV->device_state |= k->state;
if (b)
xV->device_state |= b->state;
if (v && v->axisVal) {
axisvals = v->axisVal;
switch (xV->num_valuators) {
case 6:
*(axisvals + first + 5) = xV->valuator5;
case 5:
*(axisvals + first + 4) = xV->valuator4;
case 4:
*(axisvals + first + 3) = xV->valuator3;
case 3:
*(axisvals + first + 2) = xV->valuator2;
case 2:
*(axisvals + first + 1) = xV->valuator1;
case 1:
*(axisvals + first) = xV->valuator0;
case 0:
default:
break;
}
}
}
if (xE->u.u.type == DeviceKeyPress) {
if (!k)
return;
modifiers = k->modifierMap[key];
kptr = &k->down[key >> 3];
if (*kptr & bit) {
if (!modifiers) {
xE->u.u.type = DeviceKeyRelease;
ProcessOtherEvent(xE, other, count);
xE->u.u.type = DeviceKeyPress;
ProcessOtherEvent(xE, other, count);
}
return;
}
if (other->valuator)
other->valuator->motionHintWindow = NullWindow;
*kptr |= bit;
k->prev_state = k->state;
for (i = 0, mask = 1; modifiers; i++, mask <<= 1) {
if (mask & modifiers) {
k->modifierKeyCount[i]++;
k->state |= mask;
modifiers &= ~mask;
}
}
if (!grab && CheckDeviceGrabs(other, xE, 0, count)) {
other->activatingKey = key;
return;
}
} else if (xE->u.u.type == DeviceKeyRelease) {
if (!k)
return;
kptr = &k->down[key >> 3];
if (!(*kptr & bit))
return;
modifiers = k->modifierMap[key];
if (other->valuator)
other->valuator->motionHintWindow = NullWindow;
*kptr &= ~bit;
k->prev_state = k->state;
for (i = 0, mask = 1; modifiers; i++, mask <<= 1) {
if (mask & modifiers) {
if (--k->modifierKeyCount[i] <= 0) {
k->modifierKeyCount[i] = 0;
k->state &= ~mask;
}
modifiers &= ~mask;
}
}
if (other->fromPassiveGrab && (key == other->activatingKey))
deactivateDeviceGrab = TRUE;
} else if (xE->u.u.type == DeviceButtonPress) {
if (!b)
return;
kptr = &b->down[key >> 3];
*kptr |= bit;
if (other->valuator)
other->valuator->motionHintWindow = NullWindow;
b->buttonsDown++;
b->motionMask = DeviceButtonMotionMask;
xE->u.u.detail = b->map[key];
if (xE->u.u.detail == 0)
return;
if (xE->u.u.detail <= 5)
b->state |= (Button1Mask >> 1) << xE->u.u.detail;
SetMaskForEvent(Motion_Filter(b), DeviceMotionNotify);
if (!grab)
if (CheckDeviceGrabs(other, xE, 0, count))
return;
} else if (xE->u.u.type == DeviceButtonRelease) {
if (!b)
return;
kptr = &b->down[key >> 3];
*kptr &= ~bit;
if (other->valuator)
other->valuator->motionHintWindow = NullWindow;
if (!--b->buttonsDown)
b->motionMask = 0;
xE->u.u.detail = b->map[key];
if (xE->u.u.detail == 0)
return;
if (xE->u.u.detail <= 5)
b->state &= ~((Button1Mask >> 1) << xE->u.u.detail);
SetMaskForEvent(Motion_Filter(b), DeviceMotionNotify);
if (!b->state && other->fromPassiveGrab)
deactivateDeviceGrab = TRUE;
} else if (xE->u.u.type == ProximityIn)
other->valuator->mode &= ~OutOfProximity;
else if (xE->u.u.type == ProximityOut)
other->valuator->mode |= OutOfProximity;
if (grab)
DeliverGrabbedEvent(xE, other, deactivateDeviceGrab, count);
else if (other->focus)
DeliverFocusedEvent(other, xE, GetSpriteWindow(), count);
else
DeliverDeviceEvents(GetSpriteWindow(), xE, NullGrab, NullWindow,
other, count);
if (deactivateDeviceGrab == TRUE)
(*other->DeactivateGrab) (other);
}
_X_EXPORT int
InitProximityClassDeviceStruct(DeviceIntPtr dev)
{
register ProximityClassPtr proxc;
proxc = (ProximityClassPtr) xalloc(sizeof(ProximityClassRec));
if (!proxc)
return FALSE;
dev->proximity = proxc;
return TRUE;
}
_X_EXPORT void
InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, int minval, int maxval,
int resolution, int min_res, int max_res)
{
register AxisInfoPtr 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;
}
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;
memmove((char *)&ev->buttons[0], (char *)b->down, 4);
} else if (k) {
ev->classes_reported |= (1 << KeyClass);
ev->num_keys = k->curKeySyms.maxKeyCode - k->curKeySyms.minKeyCode;
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,
register WindowPtr pWin)
{
deviceFocus event;
if (type == FocusIn)
type = DeviceFocusIn;
else
type = DeviceFocusOut;
event.deviceid = dev->id;
event.mode = mode;
event.type = type;
event.detail = detail;
event.window = pWin->drawable.id;
event.time = currentTime.milliseconds;
(void)DeliverEventsToWindow(pWin, (xEvent *) & event, 1,
DeviceFocusChangeMask, NullGrab, dev->id);
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->curKeySyms.maxKeyCode - k->curKeySyms.minKeyCode;
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;
memmove((char *)&bev->buttons[0], (char *)&b->down[4], 28);
}
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;
}
}
(void)DeliverEventsToWindow(pWin, (xEvent *) sev, evcount,
DeviceStateNotifyMask, NullGrab, dev->id);
xfree(sev);
}
}
int
GrabButton(ClientPtr client, DeviceIntPtr dev, BYTE this_device_mode,
BYTE other_devices_mode, CARD16 modifiers,
DeviceIntPtr modifier_device, CARD8 button, Window grabWindow,
BOOL ownerEvents, Cursor rcursor, Window rconfineTo, Mask eventMask)
{
WindowPtr pWin, confineTo;
CursorPtr cursor;
GrabPtr grab;
if ((this_device_mode != GrabModeSync) &&
(this_device_mode != GrabModeAsync)) {
client->errorValue = this_device_mode;
return BadValue;
}
if ((other_devices_mode != GrabModeSync) &&
(other_devices_mode != GrabModeAsync)) {
client->errorValue = other_devices_mode;
return BadValue;
}
if ((modifiers != AnyModifier) && (modifiers & ~AllModifiersMask)) {
client->errorValue = modifiers;
return BadValue;
}
if ((ownerEvents != xFalse) && (ownerEvents != xTrue)) {
client->errorValue = ownerEvents;
return BadValue;
}
pWin = LookupWindow(grabWindow, client);
if (!pWin)
return BadWindow;
if (rconfineTo == None)
confineTo = NullWindow;
else {
confineTo = LookupWindow(rconfineTo, client);
if (!confineTo)
return BadWindow;
}
if (rcursor == None)
cursor = NullCursor;
else {
cursor = (CursorPtr) LookupIDByType(rcursor, RT_CURSOR);
if (!cursor) {
client->errorValue = rcursor;
return BadCursor;
}
}
grab = CreateGrab(client->index, dev, pWin, eventMask,
(Bool) ownerEvents, (Bool) this_device_mode,
(Bool) other_devices_mode, modifier_device, modifiers,
DeviceButtonPress, button, confineTo, cursor);
if (!grab)
return BadAlloc;
return AddPassiveGrabToList(grab);
}
int
GrabKey(ClientPtr client, DeviceIntPtr dev, BYTE this_device_mode,
BYTE other_devices_mode, CARD16 modifiers,
DeviceIntPtr modifier_device, CARD8 key, Window grabWindow,
BOOL ownerEvents, Mask mask)
{
WindowPtr pWin;
GrabPtr grab;
KeyClassPtr k = dev->key;
if (k == NULL)
return BadMatch;
if ((other_devices_mode != GrabModeSync) &&
(other_devices_mode != GrabModeAsync)) {
client->errorValue = other_devices_mode;
return BadValue;
}
if ((this_device_mode != GrabModeSync) &&
(this_device_mode != GrabModeAsync)) {
client->errorValue = this_device_mode;
return BadValue;
}
if (((key > k->curKeySyms.maxKeyCode) || (key < k->curKeySyms.minKeyCode))
&& (key != AnyKey)) {
client->errorValue = key;
return BadValue;
}
if ((modifiers != AnyModifier) && (modifiers & ~AllModifiersMask)) {
client->errorValue = modifiers;
return BadValue;
}
if ((ownerEvents != xTrue) && (ownerEvents != xFalse)) {
client->errorValue = ownerEvents;
return BadValue;
}
pWin = LookupWindow(grabWindow, client);
if (!pWin)
return BadWindow;
grab = CreateGrab(client->index, dev, pWin,
mask, ownerEvents, this_device_mode, other_devices_mode,
modifier_device, modifiers, DeviceKeyPress, key,
NullWindow, NullCursor);
if (!grab)
return BadAlloc;
return AddPassiveGrabToList(grab);
}
int
SelectForWindow(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client,
Mask mask, Mask exclusivemasks, Mask validmasks)
{
int mskidx = dev->id;
int i, ret;
Mask check;
InputClientsPtr others;
if (mask & ~validmasks) {
client->errorValue = mask;
return BadValue;
}
check = (mask & exclusivemasks);
if (wOtherInputMasks(pWin)) {
if (check & wOtherInputMasks(pWin)->inputEvents[mskidx]) {
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->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 = (InputClients *) xalloc(sizeof(InputClients));
if (!others)
return BadAlloc;
if (!pWin->optional->inputMasks && !MakeInputMasks(pWin))
return BadAlloc;
bzero((char *)&others->mask[0], sizeof(Mask) * EMASKSIZE);
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 = (struct _OtherInputMasks *)
xalloc(sizeof(struct _OtherInputMasks));
if (!imasks)
return FALSE;
bzero((char *)imasks, sizeof(struct _OtherInputMasks));
pWin->optional->inputMasks = imasks;
return TRUE;
}
void
RecalculateDeviceDeliverableEvents(WindowPtr pWin)
{
register InputClientsPtr others;
struct _OtherInputMasks *inputMasks;
register WindowPtr pChild, tmp;
int i;
pChild = pWin;
while (1) {
if ((inputMasks = wOtherInputMasks(pChild)) != 0) {
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++)
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(register WindowPtr pWin, XID id)
{
register 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;
WindowPtr spriteWin = GetSpriteWindow();
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 (inputFocus == PointerRootWin)
inputFocus = GetCurrentRootWindow();
if (IsParent(inputFocus, spriteWin)) {
effectiveFocus = inputFocus;
pWin = spriteWin;
} else
effectiveFocus = pWin = inputFocus;
} else
pWin = LookupWindow(dest, client);
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(pWin, ev, count, mask, NullGrab, d->id))
return Success;
if (pWin == effectiveFocus)
return Success;
if (wOtherInputMasks(pWin))
mask &= ~wOtherInputMasks(pWin)->dontPropagateMask[d->id];
if (!mask)
break;
}
} else
(void)(DeliverEventsToWindow(pWin, ev, count, mask, NullGrab, d->id));
return Success;
}
int
SetButtonMapping(ClientPtr client, DeviceIntPtr dev, int nElts, BYTE * map)
{
register 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
SetModifierMapping(ClientPtr client, DeviceIntPtr dev, int len, int rlen,
int numKeyPerModifier, KeyCode * inputMap, KeyClassPtr * k)
{
KeyCode *map = NULL;
int inputMapLen;
register int i;
*k = dev->key;
if (*k == NULL)
return BadMatch;
if (len != ((numKeyPerModifier << 1) + rlen))
return BadLength;
inputMapLen = 8 * numKeyPerModifier;
i = inputMapLen;
while (i--) {
if (inputMap[i]
&& (inputMap[i] < (*k)->curKeySyms.minKeyCode
|| inputMap[i] > (*k)->curKeySyms.maxKeyCode)) {
client->errorValue = inputMap[i];
return -1;
}
}
if (!AllModifierKeysAreUp(dev, (*k)->modifierKeyMap,
(int)(*k)->maxKeysPerModifier, inputMap,
(int)numKeyPerModifier)
|| !AllModifierKeysAreUp(dev, inputMap, (int)numKeyPerModifier,
(*k)->modifierKeyMap,
(int)(*k)->maxKeysPerModifier)) {
return MappingBusy;
} else {
for (i = 0; i < inputMapLen; i++) {
if (inputMap[i] && !LegalModifier(inputMap[i], (DevicePtr) dev)) {
return MappingFailed;
}
}
}
if (inputMapLen) {
map = (KeyCode *) xalloc(inputMapLen);
if (!map)
return BadAlloc;
}
if ((*k)->modifierKeyMap)
xfree((*k)->modifierKeyMap);
if (inputMapLen) {
(*k)->modifierKeyMap = map;
memmove((char *)(*k)->modifierKeyMap, (char *)inputMap, inputMapLen);
} else
(*k)->modifierKeyMap = NULL;
(*k)->maxKeysPerModifier = numKeyPerModifier;
for (i = 0; i < MAP_LENGTH; i++)
(*k)->modifierMap[i] = 0;
for (i = 0; i < inputMapLen; i++)
if (inputMap[i]) {
(*k)->modifierMap[inputMap[i]]
|= (1 << (i / (*k)->maxKeysPerModifier));
}
return (MappingSuccess);
}
void
SendDeviceMappingNotify(CARD8 request,
KeyCode firstKeyCode, CARD8 count, DeviceIntPtr dev)
{
xEvent event;
deviceMappingNotify *ev = (deviceMappingNotify *) & event;
ev->type = DeviceMappingNotify;
ev->request = request;
ev->deviceid = dev->id;
ev->time = currentTime.milliseconds;
if (request == MappingKeyboard) {
ev->firstKeyCode = firstKeyCode;
ev->count = count;
}
SendEventToAllWindows(dev, DeviceMappingNotifyMask, (xEvent *) ev, 1);
}
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->curKeySyms.minKeyCode) ||
(firstKeyCode + keyCodes - 1 > k->curKeySyms.maxKeyCode)) {
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;
if (!SetKeySymsMap(&k->curKeySyms, &keysyms))
return BadAlloc;
SendDeviceMappingNotify(MappingKeyboard, firstKeyCode, keyCodes, dev);
return client->noClientException;
}
void
DeleteWindowFromAnyExtEvents(WindowPtr pWin, Bool freeResources)
{
int i;
DeviceIntPtr dev;
InputClientsPtr ic;
struct _OtherInputMasks *inputMasks;
for (dev = inputInfo.devices; dev; dev = dev->next) {
if (dev == inputInfo.pointer || dev == inputInfo.keyboard)
continue;
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);
}
}
void
DeleteDeviceFromAnyExtEvents(WindowPtr pWin, DeviceIntPtr dev)
{
WindowPtr parent;
if (dev->grab && (dev->grab->window == pWin))
(*dev->DeactivateGrab) (dev);
if (dev->focus && (pWin == dev->focus->win) && (pWin->parent != NullWindow)) {
int focusEventMode = NotifyNormal;
if (dev->grab)
focusEventMode = NotifyWhileGrabbed;
switch (dev->focus->revert) {
case RevertToNone:
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);
DoFocusEvents(dev, pWin, parent, focusEventMode);
dev->focus->win = parent;
dev->focus->revert = RevertToNone;
break;
case RevertToPointerRoot:
DoFocusEvents(dev, pWin, PointerRootWin, focusEventMode);
dev->focus->win = PointerRootWin;
dev->focus->traceGood = 0;
break;
case RevertToFollowKeyboard:
if (inputInfo.keyboard->focus->win) {
DoFocusEvents(dev, pWin, inputInfo.keyboard->focus->win,
focusEventMode);
dev->focus->win = FollowKeyboardWin;
dev->focus->traceGood = 0;
} else {
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;
}
int
MaybeSendDeviceMotionNotifyHint(deviceKeyButtonPointer * pEvents, Mask mask)
{
DeviceIntPtr dev;
dev = LookupDeviceIntRec(pEvents->deviceid & DEVICE_BITS);
if (!dev)
return 0;
if (pEvents->type == DeviceMotionNotify) {
if (mask & DevicePointerMotionHintMask) {
if (WID(dev->valuator->motionHintWindow) == pEvents->event) {
return 1;
}
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;
dev = LookupDeviceIntRec(xE->deviceid & DEVICE_BITS);
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;
(*dev->ActivateGrab) (dev, &tempGrab, currentTime, TRUE);
}
}
Mask
DeviceEventMaskForClient(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client)
{
register 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(register DeviceIntPtr dev, ClientPtr client)
{
WindowPtr pWin;
GrabPtr grab = dev->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;
}
static 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;
}