a56ef7aaa4
Cross screen and clip the coordinates before updating the motion history so that it will have the same contents as the events that are reported.
938 lines
30 KiB
C
938 lines
30 KiB
C
/*
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* Copyright © 2006 Nokia Corporation
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* Copyright © 2006-2007 Daniel Stone
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Author: Daniel Stone <daniel@fooishbar.org>
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <X11/X.h>
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#include <X11/keysym.h>
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#define NEED_EVENTS
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#define NEED_REPLIES
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#include <X11/Xproto.h>
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#include "misc.h"
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#include "resource.h"
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#include "inputstr.h"
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#include "scrnintstr.h"
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#include "cursorstr.h"
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#include "dixstruct.h"
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#include "globals.h"
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#include "dixevents.h"
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#include "mipointer.h"
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#ifdef XKB
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#include <X11/extensions/XKBproto.h>
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#include <xkbsrv.h>
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extern Bool XkbCopyKeymap(XkbDescPtr src, XkbDescPtr dst, Bool sendNotifies);
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#endif
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#ifdef PANORAMIX
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#include "panoramiX.h"
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#include "panoramiXsrv.h"
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#endif
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#include <X11/extensions/XI.h>
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#include <X11/extensions/XIproto.h>
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#include "exglobals.h"
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#include "exevents.h"
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#include "exglobals.h"
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#include "extnsionst.h"
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/* Maximum number of valuators, divided by six, rounded up, to get number
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* of events. */
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#define MAX_VALUATOR_EVENTS 6
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/* Number of motion history events to store. */
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#define MOTION_HISTORY_SIZE 256
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/**
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* Pick some arbitrary size for Xi motion history.
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*/
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_X_EXPORT int
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GetMotionHistorySize(void)
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{
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return MOTION_HISTORY_SIZE;
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}
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static void
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set_key_down(DeviceIntPtr pDev, int key_code)
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{
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pDev->key->postdown[key_code >> 3] |= (1 << (key_code & 7));
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}
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static void
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set_key_up(DeviceIntPtr pDev, int key_code)
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{
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pDev->key->postdown[key_code >> 3] &= ~(1 << (key_code & 7));
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}
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static Bool
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key_is_down(DeviceIntPtr pDev, int key_code)
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{
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return !!(pDev->key->postdown[key_code >> 3] & (1 << (key_code & 7)));
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}
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static Bool
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key_autorepeats(DeviceIntPtr pDev, int key_code)
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{
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return !!(pDev->kbdfeed->ctrl.autoRepeats[key_code >> 3] &
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(1 << (key_code & 7)));
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}
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/**
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* Allocate the motion history buffer.
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*/
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_X_EXPORT void
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AllocateMotionHistory(DeviceIntPtr pDev)
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{
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if (pDev->valuator->motion)
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xfree(pDev->valuator->motion);
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if (pDev->valuator->numMotionEvents < 1)
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return;
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pDev->valuator->motion = xalloc(((sizeof(INT32) * pDev->valuator->numAxes) +
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sizeof(Time)) *
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pDev->valuator->numMotionEvents);
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pDev->valuator->first_motion = 0;
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pDev->valuator->last_motion = 0;
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}
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/**
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* Dump the motion history between start and stop into the supplied buffer.
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* Only records the event for a given screen in theory, but in practice, we
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* sort of ignore this.
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*/
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_X_EXPORT int
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GetMotionHistory(DeviceIntPtr pDev, xTimecoord *buff, unsigned long start,
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unsigned long stop, ScreenPtr pScreen)
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{
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char *ibuff = NULL, *obuff = (char *) buff;
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int i = 0, ret = 0;
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Time current;
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/* The size of a single motion event. */
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int size = (sizeof(INT32) * pDev->valuator->numAxes) + sizeof(Time);
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if (!pDev->valuator || !pDev->valuator->numMotionEvents)
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return 0;
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for (i = pDev->valuator->first_motion;
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i != pDev->valuator->last_motion;
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i = (i + 1) % pDev->valuator->numMotionEvents) {
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/* We index the input buffer by which element we're accessing, which
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* is not monotonic, and the output buffer by how many events we've
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* written so far. */
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ibuff = (char *) pDev->valuator->motion + (i * size);
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memcpy(¤t, ibuff, sizeof(Time));
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if (current > stop) {
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return ret;
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}
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else if (current >= start) {
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memcpy(obuff, ibuff, size);
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obuff += size;
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ret++;
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}
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}
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return ret;
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}
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/**
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* Update the motion history for a specific device, with the list of
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* valuators.
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*/
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static void
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updateMotionHistory(DeviceIntPtr pDev, CARD32 ms, int first_valuator,
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int num_valuators, int *valuators)
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{
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char *buff = (char *) pDev->valuator->motion;
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if (!pDev->valuator->numMotionEvents)
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return;
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buff += ((sizeof(INT32) * pDev->valuator->numAxes) + sizeof(CARD32)) *
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pDev->valuator->last_motion;
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memcpy(buff, &ms, sizeof(Time));
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buff += sizeof(Time);
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bzero(buff, sizeof(INT32) * pDev->valuator->numAxes);
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buff += sizeof(INT32) * first_valuator;
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memcpy(buff, valuators, sizeof(INT32) * num_valuators);
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pDev->valuator->last_motion = (pDev->valuator->last_motion + 1) %
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pDev->valuator->numMotionEvents;
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/* If we're wrapping around, just keep the circular buffer going. */
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if (pDev->valuator->first_motion == pDev->valuator->last_motion)
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pDev->valuator->first_motion = (pDev->valuator->first_motion + 1) %
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pDev->valuator->numMotionEvents;
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return;
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}
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/**
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* Returns the maximum number of events GetKeyboardEvents,
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* GetKeyboardValuatorEvents, and GetPointerEvents will ever return.
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*
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* Should be used in DIX as:
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* xEvent *events = xcalloc(sizeof(xEvent), GetMaximumEventsNum());
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*
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* This MUST be absolutely constant, from init until exit.
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*/
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_X_EXPORT int
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GetMaximumEventsNum(void) {
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/* Two base events -- core and device, plus valuator events. Multiply
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* by two if we're doing non-XKB key repeats. */
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int ret = 2 + MAX_VALUATOR_EVENTS;
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#ifdef XKB
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if (noXkbExtension)
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#endif
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ret *= 2;
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return ret;
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}
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/* Originally a part of xf86PostMotionEvent; modifies valuators
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* in-place. */
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static void
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acceleratePointer(DeviceIntPtr pDev, int first_valuator, int num_valuators,
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int *valuators)
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{
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float mult = 0.0;
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int dx = 0, dy = 0;
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int *px = NULL, *py = NULL;
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if (!num_valuators || !valuators)
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return;
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if (first_valuator == 0) {
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dx = valuators[0];
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px = &valuators[0];
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}
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if (first_valuator <= 1 && num_valuators >= (2 - first_valuator)) {
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dy = valuators[1 - first_valuator];
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py = &valuators[1 - first_valuator];
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}
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if (!dx && !dy)
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return;
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if (pDev->ptrfeed && pDev->ptrfeed->ctrl.num) {
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/* modeled from xf86Events.c */
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if (pDev->ptrfeed->ctrl.threshold) {
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if ((abs(dx) + abs(dy)) >= pDev->ptrfeed->ctrl.threshold) {
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pDev->valuator->dxremaind = ((float)dx *
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(float)(pDev->ptrfeed->ctrl.num)) /
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(float)(pDev->ptrfeed->ctrl.den) +
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pDev->valuator->dxremaind;
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if (px) {
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*px = (int)pDev->valuator->dxremaind;
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pDev->valuator->dxremaind = pDev->valuator->dxremaind -
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(float)(*px);
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}
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pDev->valuator->dyremaind = ((float)dy *
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(float)(pDev->ptrfeed->ctrl.num)) /
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(float)(pDev->ptrfeed->ctrl.den) +
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pDev->valuator->dyremaind;
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if (py) {
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*py = (int)pDev->valuator->dyremaind;
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pDev->valuator->dyremaind = pDev->valuator->dyremaind -
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(float)(*py);
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}
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}
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}
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else {
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mult = pow((float)dx * (float)dx + (float)dy * (float)dy,
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((float)(pDev->ptrfeed->ctrl.num) /
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(float)(pDev->ptrfeed->ctrl.den) - 1.0) /
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2.0) / 2.0;
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if (dx) {
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pDev->valuator->dxremaind = mult * (float)dx +
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pDev->valuator->dxremaind;
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*px = (int)pDev->valuator->dxremaind;
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pDev->valuator->dxremaind = pDev->valuator->dxremaind -
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(float)(*px);
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}
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if (dy) {
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pDev->valuator->dyremaind = mult * (float)dy +
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pDev->valuator->dyremaind;
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*py = (int)pDev->valuator->dyremaind;
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pDev->valuator->dyremaind = pDev->valuator->dyremaind -
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(float)(*py);
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}
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}
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}
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}
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/**
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* Clip an axis to its bounds, which are declared in the call to
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* InitValuatorAxisClassStruct.
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*/
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static void
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clipAxis(DeviceIntPtr pDev, int axisNum, int *val)
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{
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AxisInfoPtr axes = pDev->valuator->axes + axisNum;
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/* No clipping if the value-range <= 0 */
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if(axes->min_value < axes->min_value) {
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if (*val < axes->min_value)
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*val = axes->min_value;
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if (*val > axes->max_value)
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*val = axes->max_value;
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}
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}
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/**
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* Clip every axis in the list of valuators to its bounds.
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*/
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static void
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clipValuators(DeviceIntPtr pDev, int first_valuator, int num_valuators,
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int *valuators)
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{
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AxisInfoPtr axes = pDev->valuator->axes + first_valuator;
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int i;
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for (i = 0; i < num_valuators; i++, axes++)
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clipAxis(pDev, i + first_valuator, &(valuators[i]));
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}
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/**
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* Fills events with valuator events for pDev, as given by the other
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* parameters.
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*
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* FIXME: Need to fix ValuatorClassRec to store all the valuators as
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* last posted, not just x and y; otherwise relative non-x/y
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* valuators, though a very narrow use case, will be broken.
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*/
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static xEvent *
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getValuatorEvents(xEvent *events, DeviceIntPtr pDev, int first_valuator,
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int num_valuators, int *valuators) {
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deviceValuator *xv = (deviceValuator *) events;
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int i = 0, final_valuator = first_valuator + num_valuators;
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for (i = first_valuator; i < final_valuator; i += 6, xv++, events++) {
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xv->type = DeviceValuator;
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xv->first_valuator = i;
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xv->num_valuators = ((num_valuators - i) > 6) ? 6 : (num_valuators - i);
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xv->deviceid = pDev->id;
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switch (final_valuator - i) {
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case 6:
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xv->valuator5 = valuators[i + 5];
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case 5:
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xv->valuator4 = valuators[i + 4];
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case 4:
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xv->valuator3 = valuators[i + 3];
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case 3:
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xv->valuator2 = valuators[i + 2];
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case 2:
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xv->valuator1 = valuators[i + 1];
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case 1:
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xv->valuator0 = valuators[i];
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}
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if (i + 6 < final_valuator)
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xv->deviceid |= MORE_EVENTS;
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}
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return events;
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}
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/**
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* Convenience wrapper around GetKeyboardValuatorEvents, that takes no
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* valuators.
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*/
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_X_EXPORT int
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GetKeyboardEvents(xEvent *events, DeviceIntPtr pDev, int type, int key_code) {
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return GetKeyboardValuatorEvents(events, pDev, type, key_code, 0, 0, NULL);
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}
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/**
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* Returns a set of keyboard events for KeyPress/KeyRelease, optionally
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* also with valuator events. Handles Xi and XKB.
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*
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* events is not NULL-terminated; the return value is the number of events.
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* The DDX is responsible for allocating the event structure in the first
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* place via GetMaximumEventsNum(), and for freeing it.
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*
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* This function does not change the core keymap to that of the device;
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* that is done by SwitchCoreKeyboard, which is called from
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* mieqProcessInputEvents. If replacing that function, take care to call
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* SetCoreKeyboard before processInputProc, so keymaps are altered to suit.
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*
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* Note that this function recurses! If called for non-XKB, a repeating
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* key press will trigger a matching KeyRelease, as well as the
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* KeyPresses.
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*/
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_X_EXPORT int
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GetKeyboardValuatorEvents(xEvent *events, DeviceIntPtr pDev, int type,
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int key_code, int first_valuator,
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int num_valuators, int *valuators) {
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int numEvents = 0;
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CARD32 ms = 0;
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KeySym *map = pDev->key->curKeySyms.map;
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KeySym sym = map[key_code * pDev->key->curKeySyms.mapWidth];
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deviceKeyButtonPointer *kbp = NULL;
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if (!events)
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return 0;
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/* DO NOT WANT */
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if (type != KeyPress && type != KeyRelease)
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return 0;
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if (!pDev->key || !pDev->focus || !pDev->kbdfeed ||
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(pDev->coreEvents && !inputInfo.keyboard->key))
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return 0;
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if (key_code < 8 || key_code > 255)
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return 0;
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if (pDev->coreEvents)
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numEvents = 2;
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else
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numEvents = 1;
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if (num_valuators) {
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if ((num_valuators / 6) + 1 > MAX_VALUATOR_EVENTS)
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num_valuators = MAX_VALUATOR_EVENTS;
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numEvents += (num_valuators / 6) + 1;
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}
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|
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#ifdef XKB
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if (noXkbExtension)
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#endif
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{
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switch (sym) {
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case XK_Num_Lock:
|
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case XK_Caps_Lock:
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case XK_Scroll_Lock:
|
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case XK_Shift_Lock:
|
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if (type == KeyRelease)
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return 0;
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else if (type == KeyPress && key_is_down(pDev, key_code))
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type = KeyRelease;
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}
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}
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/* Handle core repeating, via press/release/press/release.
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* FIXME: In theory, if you're repeating with two keyboards in non-XKB,
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* you could get unbalanced events here. */
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if (type == KeyPress && key_is_down(pDev, key_code)) {
|
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/* If autorepeating is disabled either globally or just for that key,
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* or we have a modifier, don't generate a repeat event. */
|
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if (!pDev->kbdfeed->ctrl.autoRepeat ||
|
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!key_autorepeats(pDev, key_code) ||
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pDev->key->modifierMap[key_code])
|
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return 0;
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|
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#ifdef XKB
|
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if (noXkbExtension)
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#endif
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{
|
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numEvents += GetKeyboardValuatorEvents(events, pDev,
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KeyRelease, key_code,
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first_valuator, num_valuators,
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valuators);
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events += numEvents;
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}
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}
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ms = GetTimeInMillis();
|
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|
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if (pDev->coreEvents) {
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events->u.keyButtonPointer.time = ms;
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events->u.u.type = type;
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events->u.u.detail = key_code;
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if (type == KeyPress)
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set_key_down(inputInfo.keyboard, key_code);
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else if (type == KeyRelease)
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set_key_up(inputInfo.keyboard, key_code);
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events++;
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}
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kbp = (deviceKeyButtonPointer *) events;
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kbp->time = ms;
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kbp->deviceid = pDev->id;
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kbp->detail = key_code;
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if (type == KeyPress) {
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kbp->type = DeviceKeyPress;
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set_key_down(pDev, key_code);
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}
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else if (type == KeyRelease) {
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kbp->type = DeviceKeyRelease;
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set_key_up(pDev, key_code);
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}
|
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events++;
|
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if (num_valuators) {
|
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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;
|
|
DeviceIntPtr cp = inputInfo.pointer;
|
|
int x = 0, y = 0;
|
|
Bool coreOnly = (pDev == inputInfo.pointer);
|
|
ScreenPtr scr = miPointerGetScreen(pDev);
|
|
|
|
/* 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 && num_valuators) {
|
|
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 we're sending core events but didn't provide a value,
|
|
* translate the core value (but use the device coord if
|
|
* it translates to the same coord to preserve sub-pixel
|
|
* coord information). If we're not sending core events use
|
|
* whatever value we have */
|
|
x = pDev->valuator->lastx;
|
|
if(pDev->coreEvents) {
|
|
int min = pDev->valuator->axes[0].min_value;
|
|
int max = pDev->valuator->axes[0].max_value;
|
|
if(min < max) {
|
|
if((int)((float)(x-min)*scr->width/(max-min+1)) != cp->valuator->lastx)
|
|
x = (int)((float)(cp->valuator->lastx)*(max-min+1)/scr->width)+min;
|
|
}
|
|
else
|
|
x = cp->valuator->lastx;
|
|
}
|
|
}
|
|
|
|
if (first_valuator <= 1 && num_valuators >= (2 - first_valuator)) {
|
|
y = valuators[1 - first_valuator];
|
|
}
|
|
else {
|
|
y = pDev->valuator->lasty;
|
|
if(pDev->coreEvents) {
|
|
int min = pDev->valuator->axes[1].min_value;
|
|
int max = pDev->valuator->axes[1].max_value;
|
|
if(min < max) {
|
|
if((int)((float)(y-min)*scr->height/(max-min+1)) != cp->valuator->lasty)
|
|
y = (int)((float)(cp->valuator->lasty)*(max-min+1)/scr->height)+min;
|
|
}
|
|
else
|
|
y = cp->valuator->lasty;
|
|
}
|
|
}
|
|
|
|
/* Clip both x and y to the defined limits (usually co-ord space limit). */
|
|
clipAxis(pDev, 0, &x);
|
|
clipAxis(pDev, 1, &y);
|
|
}
|
|
else {
|
|
if (flags & POINTER_ACCELERATE)
|
|
acceleratePointer(pDev, first_valuator, num_valuators,
|
|
valuators);
|
|
|
|
if (pDev->coreEvents) {
|
|
/* Get and convert the core pointer coordinate space into
|
|
* device coordinates. Use the device coords if it translates
|
|
* into the same position as the core to preserve relative sub-
|
|
* pixel movements from the device. */
|
|
int min = pDev->valuator->axes[0].min_value;
|
|
int max = pDev->valuator->axes[0].max_value;
|
|
if(min < max) {
|
|
x = pDev->valuator->lastx;
|
|
if((int)((float)(x-min)*scr->width/(max-min+1)) != cp->valuator->lastx)
|
|
x = (int)((float)(cp->valuator->lastx)*(max-min+1)/scr->width)+min;
|
|
}
|
|
else
|
|
x = cp->valuator->lastx;
|
|
|
|
min = pDev->valuator->axes[1].min_value;
|
|
max = pDev->valuator->axes[1].max_value;
|
|
if(min < max) {
|
|
y = pDev->valuator->lasty;
|
|
if((int)((float)(y-min)*scr->height/(max-min+1)) != cp->valuator->lasty)
|
|
y = (int)((float)(cp->valuator->lasty)*(max-min+1)/scr->height)+min;
|
|
}
|
|
else
|
|
y = cp->valuator->lasty;
|
|
|
|
/* Add relative movement */
|
|
if (first_valuator == 0 && num_valuators >= 1)
|
|
x += valuators[0];
|
|
if (first_valuator <= 1 && num_valuators >= (2 - first_valuator))
|
|
y += valuators[1 - first_valuator];
|
|
}
|
|
else {
|
|
x = pDev->valuator->lastx;
|
|
y = pDev->valuator->lasty;
|
|
if (first_valuator == 0 && num_valuators >= 1)
|
|
x += valuators[0];
|
|
if (first_valuator <= 1 && num_valuators >= (2 - first_valuator))
|
|
y += valuators[1 - first_valuator];
|
|
|
|
if(!coreOnly) {
|
|
/* Since we're not sending core-events we must clip both x and y
|
|
* to the defined limits so we don't run outside the box. */
|
|
clipAxis(pDev, 0, &x);
|
|
clipAxis(pDev, 1, &y);
|
|
}
|
|
}
|
|
}
|
|
|
|
pDev->valuator->lastx = x;
|
|
pDev->valuator->lasty = y;
|
|
/* Convert the dev coord back to screen coord if we're
|
|
* sending core events */
|
|
if (pDev->coreEvents) {
|
|
int min = pDev->valuator->axes[0].min_value;
|
|
int max = pDev->valuator->axes[0].max_value;
|
|
if(min < max)
|
|
x = (int)((float)(x-min)*scr->width/(max-min+1));
|
|
cp->valuator->lastx = x;
|
|
min = pDev->valuator->axes[1].min_value;
|
|
max = pDev->valuator->axes[1].max_value;
|
|
if(min < max)
|
|
y = (int)((float)(y-min)*scr->height/(max-min+1));
|
|
cp->valuator->lasty = 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);
|
|
|
|
if (pDev->coreEvents) {
|
|
/* miPointerSetPosition may have changed screen */
|
|
scr = miPointerGetScreen(pDev);
|
|
if(x != cp->valuator->lastx) {
|
|
int min = pDev->valuator->axes[0].min_value;
|
|
int max = pDev->valuator->axes[0].max_value;
|
|
cp->valuator->lastx = pDev->valuator->lastx = x;
|
|
if(min < max)
|
|
pDev->valuator->lastx = (int)((float)(x)*(max-min+1)/scr->width)+min;
|
|
}
|
|
if(y != cp->valuator->lasty) {
|
|
int min = pDev->valuator->axes[1].min_value;
|
|
int max = pDev->valuator->axes[1].max_value;
|
|
cp->valuator->lasty = pDev->valuator->lasty = y;
|
|
if(min < max)
|
|
pDev->valuator->lasty = (int)((float)(y)*(max-min+1)/scr->height)+min;
|
|
}
|
|
}
|
|
else if (coreOnly) {
|
|
cp->valuator->lastx = x;
|
|
cp->valuator->lasty = y;
|
|
}
|
|
|
|
/* Drop x and y back into the valuators list, if they were originally
|
|
* present. */
|
|
if (first_valuator == 0 && num_valuators >= 1)
|
|
valuators[0] = pDev->valuator->lastx;
|
|
if (first_valuator <= 1 && num_valuators >= (2 - first_valuator))
|
|
valuators[1 - first_valuator] = pDev->valuator->lasty;
|
|
|
|
updateMotionHistory(pDev, ms, first_valuator, num_valuators, valuators);
|
|
|
|
/* 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 = pDev->valuator->lastx;
|
|
kbp->root_y = pDev->valuator->lasty;
|
|
|
|
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 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 = 1;
|
|
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 (pDev != dixLookupPrivate(&inputInfo.keyboard->devPrivates,
|
|
CoreDevicePrivateKey)) {
|
|
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);
|
|
dixSetPrivate(&inputInfo.keyboard->devPrivates, CoreDevicePrivateKey,
|
|
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 (pDev != dixLookupPrivate(&inputInfo.pointer->devPrivates,
|
|
CoreDevicePrivateKey))
|
|
dixSetPrivate(&inputInfo.pointer->devPrivates,
|
|
CoreDevicePrivateKey, 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);
|
|
}
|