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/* $XFree86$ */
/*
* Copyright 2001 Red Hat Inc., Durham, North Carolina.
*
* All Rights Reserved.
*
* 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 on 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
* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
* 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.
*/
/*
* Authors:
* David H. Dawes <dawes@xfree86.org>
* Kevin E. Martin <kem@redhat.com>
*
*/
#define DEBUG 0
/* Core devices on the back end X server -- like Xnest. */
#include "inputstr.h"
#include "input.h"
#include "keysym.h"
#include "mipointer.h"
#include "mi.h"
#include "scrnintstr.h"
#include "dmx.h"
#include "dmxinput.h"
#include "dmxbeinput.h"
#include "dmxbepointer.h"
#include "dmxbekeyboard.h"
#include "XInput.h"
static long backEndEventMask = 0;
static CARD32 lastEventTime = 0;
static int lastX = -1, lastY = -1;
static Bool
dmxEventPredicate(Display *display, XEvent *event, char *args) {
return TRUE;
}
static void
dmxCollectEvents(void)
{
XEvent X;
xEvent x;
int curX, curY;
if (lastX < 0 || lastY < 0) {
lastX = dmxInputRec.dmxScreen->width / 2;
lastY = dmxInputRec.dmxScreen->height / 2;
}
while (XCheckIfEvent(dmxInputRec.display, &X, dmxEventPredicate, NULL)) {
switch (X.type) {
case KeyPress:
x.u.u.type = KeyPress;
x.u.u.detail = X.xkey.keycode;
x.u.keyButtonPointer.time = lastEventTime = GetTimeInMillis();
mieqEnqueue(&x);
break;
case KeyRelease:
x.u.u.type = KeyRelease;
x.u.u.detail = X.xkey.keycode;
x.u.keyButtonPointer.time = lastEventTime = GetTimeInMillis();
mieqEnqueue(&x);
break;
case ButtonPress:
x.u.u.type = ButtonPress;
x.u.u.detail = X.xbutton.button;
x.u.keyButtonPointer.time = lastEventTime = GetTimeInMillis();
mieqEnqueue(&x);
break;
case ButtonRelease:
x.u.u.type = ButtonRelease;
x.u.u.detail = X.xbutton.button;
x.u.keyButtonPointer.time = lastEventTime = GetTimeInMillis();
mieqEnqueue(&x);
break;
case MotionNotify:
x.u.u.type = MotionNotify;
miPointerPosition(&curX, &curY);
x.u.keyButtonPointer.rootX = curX + (X.xmotion.x - lastX);
x.u.keyButtonPointer.rootY = curY + (X.xmotion.y - lastY);
#if DEBUG
dmxLog(dmxDebug,
"dmxCollectEvents: cursor position is (%4d, %3d)\n",
curX, curY);
dmxLog(dmxDebug,
"dmxCollectEvents: BE X, Y was (%4d, %3d) is (%4d, %3d), "
"FE X, Y is (%4d, %3d)\n",
lastX, lastY, X.xmotion.x, X.xmotion.y,
x.u.keyButtonPointer.rootX, x.u.keyButtonPointer.rootY);
#endif
lastX = X.xmotion.x;
lastY = X.xmotion.y;
x.u.keyButtonPointer.time = lastEventTime = GetTimeInMillis();
mieqEnqueue(&x);
miPointerAbsoluteCursor(x.u.keyButtonPointer.rootX,
x.u.keyButtonPointer.rootY,
x.u.keyButtonPointer.time);
break;
#if 0
case FocusIn:
case FocusOut:
case KeymapNotify:
case EnterNotify:
#endif
default:
dmxLog(dmxWarning, "Unhandled event: %d\n", X.type);
break;
}
}
}
static void
dmxBlockHandler(pointer blockData, OSTimePtr pTimeout, pointer pReadMask)
{
}
static void
dmxWakeupHandler(pointer blockData, int result, pointer pReadMask)
{
dmxCollectEvents();
}
static void
dmxBackEndProcessInputEvents(void)
{
mieqProcessInputEvents();
miPointerUpdate();
if ((lastX != dmxInputRec.dmxScreen->width / 2) ||
(lastY != dmxInputRec.dmxScreen->height / 2)) {
lastX = dmxInputRec.dmxScreen->width / 2;
lastY = dmxInputRec.dmxScreen->height / 2;
XWarpPointer(dmxInputRec.display,
dmxInputRec.window,
dmxInputRec.window,
0, 0, 0, 0, lastX, lastY);
}
}
void
dmxBackEndInitInput(int argc, char **argv)
{
DeviceIntPtr pKeyboard, pPointer;
XExtensionVersion *ext;
XDeviceInfo *devices;
int num;
int i;
dmxLog(dmxDebug, "dmxBackEndInitInput\n");
dmxLogArgs(dmxDebug, argc, argv);
ext = XGetExtensionVersion(dmxScreens[dmxInputScreen].display, INAME);
if (ext && ext != (XExtensionVersion *)NoSuchExtension) {
dmxLogInput(&dmxScreens[dmxInputScreen], "%s version %d.%d\n",
INAME, ext->major_version, ext->minor_version);
devices = XListInputDevices(dmxScreens[dmxInputScreen].display, &num);
if (num)
dmxLogInput(&dmxScreens[dmxInputScreen], "Extended devices:\n");
for (i = 0; i < num; i++) {
const char *kind = "Unknown";
switch (devices[i].use) {
case IsXPointer: kind = "XPointer"; break;
case IsXKeyboard: kind = "XKeybaord"; break;
case IsXExtensionDevice: kind = "XExtensionDevice"; break;
}
dmxLogInput(&dmxScreens[dmxInputScreen], " \"%s\": %s\n",
devices[i].name ? devices[i].name : "<noname>", kind);
}
XFreeDeviceList(devices);
}
pPointer = AddInputDevice(dmxPointerProc, TRUE);
pKeyboard = AddInputDevice(dmxKeyboardProc, TRUE);
RegisterPointerDevice(pPointer);
RegisterKeyboardDevice(pKeyboard);
miRegisterPointerDevice(screenInfo.screens[0], pPointer);
mieqInit(&pKeyboard->public, &pPointer->public);
dmxInputRec.display = dmxScreens[dmxInputScreen].display;
dmxInputRec.window = dmxScreens[dmxInputScreen].window;
dmxInputRec.pEventMask = &backEndEventMask;
dmxInputRec.processInputEvents = dmxBackEndProcessInputEvents;
dmxInputRec.dmxScreen = &dmxScreens[dmxInputScreen];
dmxInputRec.initPointerX = dmxScreens[dmxInputScreen].width / 2;
dmxInputRec.initPointerY = dmxScreens[dmxInputScreen].height / 2;
AddEnabledDevice(XConnectionNumber(dmxInputRec.display));
RegisterBlockAndWakeupHandlers(dmxBlockHandler, dmxWakeupHandler, NULL);
}
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