843 lines
26 KiB
C
843 lines
26 KiB
C
/*
|
|
* Copyright © 2006 Nokia Corporation
|
|
* Copyright © 2006-2007 Daniel Stone
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*
|
|
* Author: Daniel Stone <daniel@fooishbar.org>
|
|
*/
|
|
|
|
#ifdef HAVE_DIX_CONFIG_H
|
|
#include <dix-config.h>
|
|
#endif
|
|
|
|
#include <X11/X.h>
|
|
#include <X11/keysym.h>
|
|
#define NEED_EVENTS
|
|
#define NEED_REPLIES
|
|
#include <X11/Xproto.h>
|
|
|
|
#include "misc.h"
|
|
#include "resource.h"
|
|
#include "inputstr.h"
|
|
#include "scrnintstr.h"
|
|
#include "cursorstr.h"
|
|
#include "dixstruct.h"
|
|
#include "globals.h"
|
|
#include "dixevents.h"
|
|
#include "mipointer.h"
|
|
|
|
#ifdef XKB
|
|
#include <X11/extensions/XKBproto.h>
|
|
#include <xkbsrv.h>
|
|
extern Bool XkbCopyKeymap(XkbDescPtr src, XkbDescPtr dst, Bool sendNotifies);
|
|
#endif
|
|
|
|
#ifdef PANORAMIX
|
|
#include "panoramiX.h"
|
|
#include "panoramiXsrv.h"
|
|
#endif
|
|
|
|
#include <X11/extensions/XI.h>
|
|
#include <X11/extensions/XIproto.h>
|
|
#include "exglobals.h"
|
|
#include "exevents.h"
|
|
#include "exglobals.h"
|
|
#include "extnsionst.h"
|
|
|
|
|
|
/* Maximum number of valuators, divided by six, rounded up, to get number
|
|
* of events. */
|
|
#define MAX_VALUATOR_EVENTS 6
|
|
|
|
/* Number of motion history events to store. */
|
|
#define MOTION_HISTORY_SIZE 256
|
|
|
|
|
|
/**
|
|
* Pick some arbitrary size for Xi motion history.
|
|
*/
|
|
_X_EXPORT int
|
|
GetMotionHistorySize(void)
|
|
{
|
|
return MOTION_HISTORY_SIZE;
|
|
}
|
|
|
|
static void
|
|
set_key_down(DeviceIntPtr pDev, int key_code)
|
|
{
|
|
pDev->key->postdown[key_code >> 3] |= (1 << (key_code & 7));
|
|
}
|
|
|
|
static void
|
|
set_key_up(DeviceIntPtr pDev, int key_code)
|
|
{
|
|
pDev->key->postdown[key_code >> 3] &= ~(1 << (key_code & 7));
|
|
}
|
|
|
|
static Bool
|
|
key_is_down(DeviceIntPtr pDev, int key_code)
|
|
{
|
|
return pDev->key->postdown[key_code >> 3] >> (key_code & 7);
|
|
}
|
|
|
|
/**
|
|
* Allocate the motion history buffer.
|
|
*/
|
|
_X_EXPORT void
|
|
AllocateMotionHistory(DeviceIntPtr pDev)
|
|
{
|
|
if (pDev->valuator->motion)
|
|
xfree(pDev->valuator->motion);
|
|
|
|
if (pDev->valuator->numMotionEvents < 1)
|
|
return;
|
|
|
|
pDev->valuator->motion = xalloc(((sizeof(INT32) * pDev->valuator->numAxes) +
|
|
sizeof(Time)) *
|
|
pDev->valuator->numMotionEvents);
|
|
pDev->valuator->first_motion = 0;
|
|
pDev->valuator->last_motion = 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* Dump the motion history between start and stop into the supplied buffer.
|
|
* Only records the event for a given screen in theory, but in practice, we
|
|
* sort of ignore this.
|
|
*/
|
|
_X_EXPORT int
|
|
GetMotionHistory(DeviceIntPtr pDev, xTimecoord *buff, unsigned long start,
|
|
unsigned long stop, ScreenPtr pScreen)
|
|
{
|
|
char *ibuff = NULL, *obuff = (char *) buff;
|
|
int i = 0, ret = 0;
|
|
Time current;
|
|
/* The size of a single motion event. */
|
|
int size = (sizeof(INT32) * pDev->valuator->numAxes) + sizeof(Time);
|
|
|
|
if (!pDev->valuator || !pDev->valuator->numMotionEvents)
|
|
return 0;
|
|
|
|
for (i = pDev->valuator->first_motion;
|
|
i != pDev->valuator->last_motion;
|
|
i = (i + 1) % pDev->valuator->numMotionEvents) {
|
|
/* We index the input buffer by which element we're accessing, which
|
|
* is not monotonic, and the output buffer by how many events we've
|
|
* written so far. */
|
|
ibuff = (char *) pDev->valuator->motion + (i * size);
|
|
memcpy(¤t, ibuff, sizeof(Time));
|
|
|
|
if (current > stop) {
|
|
return ret;
|
|
}
|
|
else if (current >= start) {
|
|
memcpy(obuff, ibuff, size);
|
|
obuff += size;
|
|
ret++;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**
|
|
* Update the motion history for a specific device, with the list of
|
|
* valuators.
|
|
*/
|
|
static void
|
|
updateMotionHistory(DeviceIntPtr pDev, CARD32 ms, int first_valuator,
|
|
int num_valuators, int *valuators)
|
|
{
|
|
char *buff = (char *) pDev->valuator->motion;
|
|
|
|
if (!pDev->valuator->numMotionEvents)
|
|
return;
|
|
|
|
buff += ((sizeof(INT32) * pDev->valuator->numAxes) + sizeof(CARD32)) *
|
|
pDev->valuator->last_motion;
|
|
memcpy(buff, &ms, sizeof(Time));
|
|
|
|
buff += sizeof(Time);
|
|
bzero(buff, sizeof(INT32) * pDev->valuator->numAxes);
|
|
|
|
buff += sizeof(INT32) * first_valuator;
|
|
memcpy(buff, valuators, sizeof(INT32) * num_valuators);
|
|
|
|
pDev->valuator->last_motion = (pDev->valuator->last_motion + 1) %
|
|
pDev->valuator->numMotionEvents;
|
|
|
|
/* If we're wrapping around, just keep the circular buffer going. */
|
|
if (pDev->valuator->first_motion == pDev->valuator->last_motion)
|
|
pDev->valuator->first_motion = (pDev->valuator->first_motion + 1) %
|
|
pDev->valuator->numMotionEvents;
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns the maximum number of events GetKeyboardEvents,
|
|
* GetKeyboardValuatorEvents, and GetPointerEvents will ever return.
|
|
*
|
|
* Should be used in DIX as:
|
|
* xEvent *events = xcalloc(sizeof(xEvent), GetMaximumEventsNum());
|
|
*/
|
|
_X_EXPORT int
|
|
GetMaximumEventsNum(void) {
|
|
/* Two base events -- core and device, plus valuator events. Multiply
|
|
* by two if we're doing key repeats. */
|
|
int ret = 2 + MAX_VALUATOR_EVENTS;
|
|
|
|
#ifdef XKB
|
|
if (noXkbExtension)
|
|
#endif
|
|
ret *= 2;
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/* Originally a part of xf86PostMotionEvent; modifies valuators
|
|
* in-place. */
|
|
static void
|
|
acceleratePointer(DeviceIntPtr pDev, int first_valuator, int num_valuators,
|
|
int *valuators)
|
|
{
|
|
float mult = 0.0;
|
|
int dx = 0, dy = 0;
|
|
int *px = NULL, *py = NULL;
|
|
|
|
if (!num_valuators || !valuators)
|
|
return;
|
|
|
|
if (first_valuator == 0) {
|
|
dx = valuators[0];
|
|
px = &valuators[0];
|
|
}
|
|
if (first_valuator <= 1 && num_valuators >= (2 - first_valuator)) {
|
|
dy = valuators[1 - first_valuator];
|
|
py = &valuators[1 - first_valuator];
|
|
}
|
|
|
|
if (!dx && !dy)
|
|
return;
|
|
|
|
if (pDev->ptrfeed && pDev->ptrfeed->ctrl.num) {
|
|
/* modeled from xf86Events.c */
|
|
if (pDev->ptrfeed->ctrl.threshold) {
|
|
if ((abs(dx) + abs(dy)) >= pDev->ptrfeed->ctrl.threshold) {
|
|
pDev->valuator->dxremaind = ((float)dx *
|
|
(float)(pDev->ptrfeed->ctrl.num)) /
|
|
(float)(pDev->ptrfeed->ctrl.den) +
|
|
pDev->valuator->dxremaind;
|
|
if (px) {
|
|
*px = (int)pDev->valuator->dxremaind;
|
|
pDev->valuator->dxremaind = pDev->valuator->dxremaind -
|
|
(float)(*px);
|
|
}
|
|
|
|
pDev->valuator->dyremaind = ((float)dy *
|
|
(float)(pDev->ptrfeed->ctrl.num)) /
|
|
(float)(pDev->ptrfeed->ctrl.den) +
|
|
pDev->valuator->dyremaind;
|
|
if (py) {
|
|
*py = (int)pDev->valuator->dyremaind;
|
|
pDev->valuator->dyremaind = pDev->valuator->dyremaind -
|
|
(float)(*py);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
mult = pow((float)dx * (float)dx + (float)dy * (float)dy,
|
|
((float)(pDev->ptrfeed->ctrl.num) /
|
|
(float)(pDev->ptrfeed->ctrl.den) - 1.0) /
|
|
2.0) / 2.0;
|
|
if (dx) {
|
|
pDev->valuator->dxremaind = mult * (float)dx +
|
|
pDev->valuator->dxremaind;
|
|
*px = (int)pDev->valuator->dxremaind;
|
|
pDev->valuator->dxremaind = pDev->valuator->dxremaind -
|
|
(float)(*px);
|
|
}
|
|
if (dy) {
|
|
pDev->valuator->dyremaind = mult * (float)dy +
|
|
pDev->valuator->dyremaind;
|
|
*py = (int)pDev->valuator->dyremaind;
|
|
pDev->valuator->dyremaind = pDev->valuator->dyremaind -
|
|
(float)(*py);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Clip an axis to its bounds, which are declared in the call to
|
|
* InitValuatorAxisClassStruct.
|
|
*/
|
|
static void
|
|
clipAxis(DeviceIntPtr pDev, int axisNum, int *val)
|
|
{
|
|
AxisInfoPtr axes = pDev->valuator->axes + axisNum;
|
|
|
|
if (*val < axes->min_value)
|
|
*val = axes->min_value;
|
|
if (axes->max_value >= 0 && *val > axes->max_value)
|
|
*val = axes->max_value;
|
|
}
|
|
|
|
/**
|
|
* Clip every axis in the list of valuators to its bounds.
|
|
*/
|
|
static void
|
|
clipValuators(DeviceIntPtr pDev, int first_valuator, int num_valuators,
|
|
int *valuators)
|
|
{
|
|
AxisInfoPtr axes = pDev->valuator->axes + first_valuator;
|
|
int i;
|
|
|
|
for (i = 0; i < num_valuators; i++, axes++)
|
|
clipAxis(pDev, i + first_valuator, &(valuators[i]));
|
|
}
|
|
|
|
|
|
/**
|
|
* Fills events with valuator events for pDev, as given by the other
|
|
* parameters.
|
|
*
|
|
* FIXME: Need to fix ValuatorClassRec to store all the valuators as
|
|
* last posted, not just x and y; otherwise relative non-x/y
|
|
* valuators, though a very narrow use case, will be broken.
|
|
*/
|
|
static xEvent *
|
|
getValuatorEvents(xEvent *events, DeviceIntPtr pDev, int first_valuator,
|
|
int num_valuators, int *valuators) {
|
|
deviceValuator *xv = (deviceValuator *) events;
|
|
int i = 0, final_valuator = first_valuator + num_valuators;
|
|
|
|
for (i = first_valuator; i < final_valuator; i += 6, xv++, events++) {
|
|
xv->type = DeviceValuator;
|
|
xv->first_valuator = i;
|
|
xv->num_valuators = num_valuators;
|
|
xv->deviceid = pDev->id;
|
|
switch (final_valuator - i) {
|
|
case 6:
|
|
xv->valuator5 = valuators[i + 5];
|
|
case 5:
|
|
xv->valuator4 = valuators[i + 4];
|
|
case 4:
|
|
xv->valuator3 = valuators[i + 3];
|
|
case 3:
|
|
xv->valuator2 = valuators[i + 2];
|
|
case 2:
|
|
xv->valuator1 = valuators[i + 1];
|
|
case 1:
|
|
xv->valuator0 = valuators[i];
|
|
}
|
|
|
|
if (i + 6 < final_valuator)
|
|
xv->deviceid |= MORE_EVENTS;
|
|
}
|
|
|
|
return events;
|
|
}
|
|
|
|
|
|
/**
|
|
* Convenience wrapper around GetKeyboardValuatorEvents, that takes no
|
|
* valuators.
|
|
*/
|
|
_X_EXPORT int
|
|
GetKeyboardEvents(xEvent *events, DeviceIntPtr pDev, int type, int key_code) {
|
|
return GetKeyboardValuatorEvents(events, pDev, type, key_code, 0, 0, NULL);
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns a set of keyboard events for KeyPress/KeyRelease, optionally
|
|
* also with valuator events. Handles Xi and XKB.
|
|
*
|
|
* events is not NULL-terminated; the return value is the number of events.
|
|
* The DDX is responsible for allocating the event structure in the first
|
|
* place via GetMaximumEventsNum(), and for freeing it.
|
|
*
|
|
* This function does not change the core keymap to that of the device;
|
|
* that is done by SwitchCoreKeyboard, which is called from
|
|
* mieqProcessInputEvents. If replacing that function, take care to call
|
|
* SetCoreKeyboard before processInputProc, so keymaps are altered to suit.
|
|
*
|
|
* Note that this function recurses! If called for non-XKB, a repeating
|
|
* key press will trigger a matching KeyRelease, as well as the
|
|
* KeyPresses.
|
|
*/
|
|
_X_EXPORT int
|
|
GetKeyboardValuatorEvents(xEvent *events, DeviceIntPtr pDev, int type,
|
|
int key_code, int first_valuator,
|
|
int num_valuators, int *valuators) {
|
|
int numEvents = 0;
|
|
CARD32 ms = 0;
|
|
KeySym *map = pDev->key->curKeySyms.map;
|
|
KeySym sym = map[key_code * pDev->key->curKeySyms.mapWidth];
|
|
deviceKeyButtonPointer *kbp = NULL;
|
|
|
|
if (!events)
|
|
return 0;
|
|
|
|
if (type != KeyPress && type != KeyRelease)
|
|
return 0;
|
|
|
|
if (!pDev->key || !pDev->focus || !pDev->kbdfeed ||
|
|
(pDev->coreEvents && !inputInfo.keyboard->key))
|
|
return 0;
|
|
|
|
if (pDev->coreEvents)
|
|
numEvents = 2;
|
|
else
|
|
numEvents = 1;
|
|
|
|
if (num_valuators) {
|
|
if ((num_valuators / 6) + 1 > MAX_VALUATOR_EVENTS)
|
|
num_valuators = MAX_VALUATOR_EVENTS;
|
|
numEvents += (num_valuators / 6) + 1;
|
|
}
|
|
|
|
#ifdef XKB
|
|
if (noXkbExtension)
|
|
#endif
|
|
{
|
|
switch (sym) {
|
|
case XK_Num_Lock:
|
|
case XK_Caps_Lock:
|
|
case XK_Scroll_Lock:
|
|
case XK_Shift_Lock:
|
|
if (type == KeyRelease)
|
|
return 0;
|
|
else if (type == KeyPress && key_is_down(pDev, key_code))
|
|
type = KeyRelease;
|
|
}
|
|
}
|
|
|
|
/* Handle core repeating, via press/release/press/release.
|
|
* FIXME: In theory, if you're repeating with two keyboards in non-XKB,
|
|
* you could get unbalanced events here. */
|
|
if (type == KeyPress && key_is_down(pDev, key_code)) {
|
|
if (!pDev->kbdfeed->ctrl.autoRepeat ||
|
|
pDev->key->modifierMap[key_code] ||
|
|
!(pDev->kbdfeed->ctrl.autoRepeats[key_code >> 3]
|
|
& (1 << (key_code & 7))))
|
|
return 0;
|
|
|
|
#ifdef XKB
|
|
if (noXkbExtension)
|
|
#endif
|
|
{
|
|
numEvents += GetKeyboardValuatorEvents(events, pDev,
|
|
KeyRelease, key_code,
|
|
first_valuator, num_valuators,
|
|
valuators);
|
|
events += numEvents;
|
|
}
|
|
}
|
|
|
|
ms = GetTimeInMillis();
|
|
|
|
if (pDev->coreEvents) {
|
|
events->u.keyButtonPointer.time = ms;
|
|
events->u.u.type = type;
|
|
events->u.u.detail = key_code;
|
|
if (type == KeyPress)
|
|
set_key_down(inputInfo.keyboard, key_code);
|
|
else if (type == KeyRelease)
|
|
set_key_up(inputInfo.keyboard, key_code);
|
|
events++;
|
|
}
|
|
|
|
kbp = (deviceKeyButtonPointer *) events;
|
|
kbp->time = ms;
|
|
kbp->deviceid = pDev->id;
|
|
kbp->detail = key_code;
|
|
if (type == KeyPress) {
|
|
kbp->type = DeviceKeyPress;
|
|
set_key_down(pDev, key_code);
|
|
}
|
|
else if (type == KeyRelease) {
|
|
kbp->type = DeviceKeyRelease;
|
|
set_key_up(pDev, key_code);
|
|
}
|
|
|
|
events++;
|
|
if (num_valuators) {
|
|
kbp->deviceid |= MORE_EVENTS;
|
|
clipValuators(pDev, first_valuator, num_valuators, valuators);
|
|
events = getValuatorEvents(events, pDev, first_valuator,
|
|
num_valuators, valuators);
|
|
}
|
|
|
|
return numEvents;
|
|
}
|
|
|
|
|
|
/**
|
|
* Generate a series of xEvents (returned in xE) representing pointer
|
|
* motion, or button presses. Xi and XKB-aware.
|
|
*
|
|
* events is not NULL-terminated; the return value is the number of events.
|
|
* The DDX is responsible for allocating the event structure in the first
|
|
* place via GetMaximumEventsNum(), and for freeing it.
|
|
*/
|
|
_X_EXPORT int
|
|
GetPointerEvents(xEvent *events, DeviceIntPtr pDev, int type, int buttons,
|
|
int flags, int first_valuator, int num_valuators,
|
|
int *valuators) {
|
|
int num_events = 0, final_valuator = 0;
|
|
CARD32 ms = 0;
|
|
deviceKeyButtonPointer *kbp = NULL;
|
|
/* Thanks to a broken lib, we _always_ have to chase DeviceMotionNotifies
|
|
* with DeviceValuators. */
|
|
Bool sendValuators = (type == MotionNotify || flags & POINTER_ABSOLUTE);
|
|
DeviceIntPtr cp = inputInfo.pointer;
|
|
int x = 0, y = 0;
|
|
Bool coreOnly = (pDev == inputInfo.pointer);
|
|
|
|
/* Sanity checks. */
|
|
if (type != MotionNotify && type != ButtonPress && type != ButtonRelease)
|
|
return 0;
|
|
|
|
if ((type == ButtonPress || type == ButtonRelease) && !pDev->button)
|
|
return 0;
|
|
|
|
/* FIXME: I guess it should, in theory, be possible to post button events
|
|
* from devices without valuators. */
|
|
if (!pDev->valuator)
|
|
return 0;
|
|
|
|
if (!coreOnly && pDev->coreEvents)
|
|
num_events = 2;
|
|
else
|
|
num_events = 1;
|
|
|
|
if (type == MotionNotify && num_valuators <= 0)
|
|
return 0;
|
|
|
|
/* Do we need to send a DeviceValuator event? */
|
|
if (!coreOnly && sendValuators) {
|
|
if ((((num_valuators - 1) / 6) + 1) > MAX_VALUATOR_EVENTS)
|
|
num_valuators = MAX_VALUATOR_EVENTS * 6;
|
|
num_events += ((num_valuators - 1) / 6) + 1;
|
|
}
|
|
|
|
final_valuator = num_valuators + first_valuator;
|
|
|
|
/* You fail. */
|
|
if (first_valuator < 0 || final_valuator > pDev->valuator->numAxes)
|
|
return 0;
|
|
|
|
ms = GetTimeInMillis();
|
|
|
|
/* Set x and y based on whether this is absolute or relative, and
|
|
* accelerate if we need to. */
|
|
if (flags & POINTER_ABSOLUTE) {
|
|
if (num_valuators >= 1 && first_valuator == 0) {
|
|
x = valuators[0];
|
|
}
|
|
else {
|
|
if (pDev->coreEvents)
|
|
x = cp->valuator->lastx;
|
|
else
|
|
x = pDev->valuator->lastx;
|
|
}
|
|
|
|
if (first_valuator <= 1 && num_valuators >= (2 - first_valuator)) {
|
|
y = valuators[1 - first_valuator];
|
|
}
|
|
else {
|
|
if (pDev->coreEvents)
|
|
y = cp->valuator->lasty;
|
|
else
|
|
y = pDev->valuator->lasty;
|
|
}
|
|
}
|
|
else {
|
|
if (flags & POINTER_ACCELERATE)
|
|
acceleratePointer(pDev, first_valuator, num_valuators,
|
|
valuators);
|
|
|
|
if (pDev->coreEvents) {
|
|
if (first_valuator == 0 && num_valuators >= 1)
|
|
x = cp->valuator->lastx + valuators[0];
|
|
else
|
|
x = cp->valuator->lastx;
|
|
|
|
if (first_valuator <= 1 && num_valuators >= (2 - first_valuator))
|
|
y = cp->valuator->lasty + valuators[1 - first_valuator];
|
|
else
|
|
y = cp->valuator->lasty;
|
|
}
|
|
else {
|
|
if (first_valuator == 0 && num_valuators >= 1)
|
|
x = pDev->valuator->lastx + valuators[0];
|
|
else
|
|
x = pDev->valuator->lastx;
|
|
|
|
if (first_valuator <= 1 && num_valuators >= (2 - first_valuator))
|
|
y = pDev->valuator->lasty + valuators[1 - first_valuator];
|
|
else
|
|
y = pDev->valuator->lasty;
|
|
}
|
|
}
|
|
|
|
/* Clip both x and y to the defined limits (usually co-ord space limit). */
|
|
clipAxis(pDev, 0, &x);
|
|
clipAxis(pDev, 1, &y);
|
|
|
|
/* This takes care of crossing screens for us, as well as clipping
|
|
* to the current screen. Right now, we only have one history buffer,
|
|
* so we don't set this for both the device and core.*/
|
|
miPointerSetPosition(pDev, &x, &y, ms);
|
|
|
|
/* Drop x and y back into the valuators list, if they were originally
|
|
* present. */
|
|
if (first_valuator == 0 && num_valuators >= 1)
|
|
valuators[0] = x;
|
|
if (first_valuator <= 1 && num_valuators >= (2 - first_valuator))
|
|
valuators[1 - first_valuator] = y;
|
|
|
|
updateMotionHistory(pDev, ms, first_valuator, num_valuators, valuators);
|
|
|
|
if (pDev->coreEvents) {
|
|
cp->valuator->lastx = x;
|
|
cp->valuator->lasty = y;
|
|
}
|
|
pDev->valuator->lastx = x;
|
|
pDev->valuator->lasty = y;
|
|
|
|
/* for some reason inputInfo.pointer does not have coreEvents set */
|
|
if (coreOnly || pDev->coreEvents) {
|
|
events->u.u.type = type;
|
|
events->u.keyButtonPointer.time = ms;
|
|
events->u.keyButtonPointer.rootX = x;
|
|
events->u.keyButtonPointer.rootY = y;
|
|
|
|
if (type == ButtonPress || type == ButtonRelease) {
|
|
/* We hijack SetPointerMapping to work on all core-sending
|
|
* devices, so we use the device-specific map here instead of
|
|
* the core one. */
|
|
events->u.u.detail = pDev->button->map[buttons];
|
|
}
|
|
else {
|
|
events->u.u.detail = 0;
|
|
}
|
|
|
|
events++;
|
|
}
|
|
|
|
if (!coreOnly) {
|
|
kbp = (deviceKeyButtonPointer *) events;
|
|
kbp->time = ms;
|
|
kbp->deviceid = pDev->id;
|
|
|
|
if (type == MotionNotify) {
|
|
kbp->type = DeviceMotionNotify;
|
|
}
|
|
else {
|
|
if (type == ButtonPress)
|
|
kbp->type = DeviceButtonPress;
|
|
else if (type == ButtonRelease)
|
|
kbp->type = DeviceButtonRelease;
|
|
kbp->detail = pDev->button->map[buttons];
|
|
}
|
|
|
|
kbp->root_x = x;
|
|
kbp->root_y = y;
|
|
|
|
events++;
|
|
if (sendValuators) {
|
|
kbp->deviceid |= MORE_EVENTS;
|
|
clipValuators(pDev, first_valuator, num_valuators, valuators);
|
|
events = getValuatorEvents(events, pDev, first_valuator,
|
|
num_valuators, valuators);
|
|
}
|
|
}
|
|
|
|
return num_events;
|
|
}
|
|
|
|
|
|
/**
|
|
* Post ProximityIn/ProximityOut events, accompanied by valuators.
|
|
*
|
|
* events is not NULL-terminated; the return value is the number of events.
|
|
* The DDX is responsible for allocating the event structure in the first
|
|
* place via GetMaximumEventsNum(), and for freeing it.
|
|
*/
|
|
_X_EXPORT int
|
|
GetProximityEvents(xEvent *events, DeviceIntPtr pDev, int type,
|
|
int first_valuator, int num_valuators, int *valuators)
|
|
{
|
|
int num_events = 0;
|
|
deviceKeyButtonPointer *kbp = (deviceKeyButtonPointer *) events;
|
|
|
|
/* Sanity checks. */
|
|
if (type != ProximityIn && type != ProximityOut)
|
|
return 0;
|
|
|
|
if (!pDev->valuator)
|
|
return 0;
|
|
|
|
/* Do we need to send a DeviceValuator event? */
|
|
if ((pDev->valuator->mode & 1) == Relative)
|
|
num_valuators = 0;
|
|
|
|
if (num_valuators) {
|
|
if ((((num_valuators - 1) / 6) + 1) > MAX_VALUATOR_EVENTS)
|
|
num_valuators = MAX_VALUATOR_EVENTS * 6;
|
|
num_events += ((num_valuators - 1) / 6) + 1;
|
|
}
|
|
|
|
/* You fail. */
|
|
if (first_valuator < 0 ||
|
|
(num_valuators + first_valuator) > pDev->valuator->numAxes)
|
|
return 0;
|
|
|
|
kbp->type = type;
|
|
kbp->deviceid = pDev->id;
|
|
kbp->detail = 0;
|
|
kbp->time = GetTimeInMillis();
|
|
|
|
if (num_valuators) {
|
|
kbp->deviceid |= MORE_EVENTS;
|
|
events++;
|
|
clipValuators(pDev, first_valuator, num_valuators, valuators);
|
|
events = getValuatorEvents(events, pDev, first_valuator,
|
|
num_valuators, valuators);
|
|
}
|
|
|
|
return num_events;
|
|
}
|
|
|
|
|
|
/**
|
|
* Note that pDev was the last device to send a core event. This function
|
|
* copies the complete keymap from the originating device to the core
|
|
* device, and makes sure the appropriate notifications are generated.
|
|
*
|
|
* Call this just before processInputProc.
|
|
*/
|
|
_X_EXPORT void
|
|
SwitchCoreKeyboard(DeviceIntPtr pDev)
|
|
{
|
|
KeyClassPtr ckeyc = inputInfo.keyboard->key;
|
|
int i = 0;
|
|
|
|
if (inputInfo.keyboard->devPrivates[CoreDevicePrivatesIndex].ptr != pDev) {
|
|
memcpy(ckeyc->modifierMap, pDev->key->modifierMap, MAP_LENGTH);
|
|
if (ckeyc->modifierKeyMap)
|
|
xfree(ckeyc->modifierKeyMap);
|
|
ckeyc->modifierKeyMap = xalloc(8 * pDev->key->maxKeysPerModifier);
|
|
memcpy(ckeyc->modifierKeyMap, pDev->key->modifierKeyMap,
|
|
(8 * pDev->key->maxKeysPerModifier));
|
|
|
|
ckeyc->maxKeysPerModifier = pDev->key->maxKeysPerModifier;
|
|
ckeyc->curKeySyms.minKeyCode = pDev->key->curKeySyms.minKeyCode;
|
|
ckeyc->curKeySyms.maxKeyCode = pDev->key->curKeySyms.maxKeyCode;
|
|
SetKeySymsMap(&ckeyc->curKeySyms, &pDev->key->curKeySyms);
|
|
|
|
/*
|
|
* Copy state from the extended keyboard to core. If you omit this,
|
|
* holding Ctrl on keyboard one, and pressing Q on keyboard two, will
|
|
* cause your app to quit. This feels wrong to me, hence the below
|
|
* code.
|
|
*
|
|
* XXX: If you synthesise core modifier events, the state will get
|
|
* clobbered here. You'll have to work out something sensible
|
|
* to fix that. Good luck.
|
|
*/
|
|
|
|
#define KEYBOARD_MASK (ShiftMask | LockMask | ControlMask | Mod1Mask | \
|
|
Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask)
|
|
ckeyc->state &= ~(KEYBOARD_MASK);
|
|
ckeyc->state |= (pDev->key->state & KEYBOARD_MASK);
|
|
#undef KEYBOARD_MASK
|
|
for (i = 0; i < 8; i++)
|
|
ckeyc->modifierKeyCount[i] = pDev->key->modifierKeyCount[i];
|
|
|
|
#ifdef XKB
|
|
if (!noXkbExtension && pDev->key->xkbInfo && pDev->key->xkbInfo->desc) {
|
|
if (!XkbCopyKeymap(pDev->key->xkbInfo->desc, ckeyc->xkbInfo->desc,
|
|
True))
|
|
FatalError("Couldn't pivot keymap from device to core!\n");
|
|
}
|
|
#endif
|
|
|
|
SendMappingNotify(MappingKeyboard, ckeyc->curKeySyms.minKeyCode,
|
|
(ckeyc->curKeySyms.maxKeyCode -
|
|
ckeyc->curKeySyms.minKeyCode),
|
|
serverClient);
|
|
inputInfo.keyboard->devPrivates[CoreDevicePrivatesIndex].ptr = pDev;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Note that pDev was the last function to send a core pointer event.
|
|
* Currently a no-op.
|
|
*
|
|
* Call this just before processInputProc.
|
|
*/
|
|
_X_EXPORT void
|
|
SwitchCorePointer(DeviceIntPtr pDev)
|
|
{
|
|
if (inputInfo.pointer->devPrivates[CoreDevicePrivatesIndex].ptr != pDev)
|
|
inputInfo.pointer->devPrivates[CoreDevicePrivatesIndex].ptr = pDev;
|
|
}
|
|
|
|
|
|
/**
|
|
* Synthesize a single motion event for the core pointer.
|
|
*
|
|
* Used in cursor functions, e.g. when cursor confinement changes, and we need
|
|
* to shift the pointer to get it inside the new bounds.
|
|
*/
|
|
void
|
|
PostSyntheticMotion(int x, int y, int screen, unsigned long time)
|
|
{
|
|
xEvent xE;
|
|
|
|
#ifdef PANORAMIX
|
|
/* Translate back to the sprite screen since processInputProc
|
|
will translate from sprite screen to screen 0 upon reentry
|
|
to the DIX layer. */
|
|
if (!noPanoramiXExtension) {
|
|
x += panoramiXdataPtr[0].x - panoramiXdataPtr[screen].x;
|
|
y += panoramiXdataPtr[0].y - panoramiXdataPtr[screen].y;
|
|
}
|
|
#endif
|
|
|
|
memset(&xE, 0, sizeof(xEvent));
|
|
xE.u.u.type = MotionNotify;
|
|
xE.u.keyButtonPointer.rootX = x;
|
|
xE.u.keyButtonPointer.rootY = y;
|
|
xE.u.keyButtonPointer.time = time;
|
|
|
|
(*inputInfo.pointer->public.processInputProc)(&xE, inputInfo.pointer, 1);
|
|
}
|