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+/* $Xorg: XExtToWire.c,v 1.4 2001/02/09 02:03:50 xorgcvs Exp $ */
+
+/************************************************************
+
+Copyright 1989, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Hewlett-Packard not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+********************************************************/
+/* $XFree86: xc/lib/Xi/XExtToWire.c,v 3.5 2002/10/16 00:37:28 dawes Exp $ */
+
+/****************************************************************
+ *
+ * XExtToWire.c - reformat an XEvent into a wire event.
+ */
+
+#define NEED_EVENTS
+#define NEED_REPLIES
+
+#include <X11/extensions/XIproto.h>
+#include <X11/Xlibint.h>
+#include <X11/extensions/XInput.h>
+#include <X11/extensions/extutil.h>
+#include "XIint.h"
+
+Status
+_XiEventToWire(dpy, re, event, count)
+ register Display *dpy; /* pointer to display structure */
+ register XEvent *re; /* pointer to client event */
+ register xEvent **event; /* wire protocol event */
+ register int *count;
+ {
+ XExtDisplayInfo *info = XInput_find_display (dpy);
+ int i;
+
+ switch ((re->type & 0x7f) - info->codes->first_event)
+ {
+ case XI_DeviceKeyPress:
+ case XI_DeviceKeyRelease:
+ {
+ register XDeviceKeyEvent *ev = (XDeviceKeyEvent*) re;
+ register deviceKeyButtonPointer *kev;
+ register deviceValuator *vev;
+
+ *count = 2;
+ kev = (deviceKeyButtonPointer *) Xmalloc (*count * sizeof (xEvent));
+ if (!kev)
+ return(_XUnknownNativeEvent(dpy, re, *event));
+ *event = (xEvent *) kev;
+
+ kev->type = ev->type;
+ kev->root = ev->root;
+ kev->event = ev->window;
+ kev->child = ev->subwindow;
+ kev->time = ev->time;
+ kev->event_x = ev->x ;
+ kev->event_y = ev->y ;
+ kev->root_x = ev->x_root;
+ kev->root_y = ev->y_root;
+ kev->state = ev->state;
+ kev->same_screen = ev->same_screen;
+ kev->detail = ev->keycode;
+ kev->deviceid = ev->deviceid | MORE_EVENTS;
+
+ vev = (deviceValuator *) ++kev;
+ vev->type = info->codes->first_event + XI_DeviceValuator;
+ vev->deviceid = ev->deviceid;
+ vev->device_state = ev->device_state;
+ vev->first_valuator = ev->first_axis;
+ vev->num_valuators = ev->axes_count;
+ i = vev->num_valuators;
+ if (i > 6) i = 6;
+ switch (i)
+ {
+ case 6: vev->valuator5 = ev->axis_data[5];
+ case 5: vev->valuator4 = ev->axis_data[4];
+ case 4: vev->valuator3 = ev->axis_data[3];
+ case 3: vev->valuator2 = ev->axis_data[2];
+ case 2: vev->valuator1 = ev->axis_data[1];
+ case 1: vev->valuator0 = ev->axis_data[0];
+ }
+ break;
+ }
+ case XI_ProximityIn:
+ case XI_ProximityOut:
+ {
+ register XProximityNotifyEvent *ev =
+ (XProximityNotifyEvent *) re;
+ register deviceKeyButtonPointer *pev;
+ register deviceValuator *vev;
+
+ *count = 2;
+ pev = (deviceKeyButtonPointer *) Xmalloc (*count * sizeof (xEvent));
+ if (!pev)
+ return(_XUnknownNativeEvent(dpy, re, *event));
+ *event = (xEvent *) pev;
+
+ pev->type = ev->type;
+ pev->root = ev->root;
+ pev->event = ev->window;
+ pev->child = ev->subwindow;
+ pev->time = ev->time;
+ pev->event_x = ev->x ;
+ pev->event_y = ev->y ;
+ pev->root_x = ev->x_root;
+ pev->root_y = ev->y_root;
+ pev->state = ev->state;
+ pev->same_screen = ev->same_screen;
+ pev->deviceid = ev->deviceid | MORE_EVENTS;
+
+ vev = (deviceValuator *) ++pev;
+ vev->type = info->codes->first_event + XI_DeviceValuator;
+ vev->deviceid = ev->deviceid;
+ vev->device_state = ev->device_state;
+ vev->first_valuator = ev->first_axis;
+ vev->num_valuators = ev->axes_count;
+
+ i = vev->num_valuators;
+ if (i > 6) i = 6;
+ switch (i)
+ {
+ case 6: vev->valuator5 = ev->axis_data[5];
+ case 5: vev->valuator4 = ev->axis_data[4];
+ case 4: vev->valuator3 = ev->axis_data[3];
+ case 3: vev->valuator2 = ev->axis_data[2];
+ case 2: vev->valuator1 = ev->axis_data[1];
+ case 1: vev->valuator0 = ev->axis_data[0];
+ }
+ break;
+ }
+ case XI_DeviceButtonPress:
+ case XI_DeviceButtonRelease:
+ {
+ register XDeviceButtonEvent *ev =
+ (XDeviceButtonEvent *) re;
+ register deviceKeyButtonPointer *bev;
+ register deviceValuator *vev;
+
+ *count = 2;
+ bev = (deviceKeyButtonPointer *) Xmalloc (*count * sizeof (xEvent));
+ if (!bev)
+ return(_XUnknownNativeEvent(dpy, re, *event));
+ *event = (xEvent *) bev;
+
+ bev->type = ev->type;
+ bev->root = ev->root;
+ bev->event = ev->window;
+ bev->child = ev->subwindow;
+ bev->time = ev->time;
+ bev->event_x = ev->x ;
+ bev->event_y = ev->y ;
+ bev->root_x = ev->x_root;
+ bev->root_y = ev->y_root;
+ bev->state = ev->state;
+ bev->same_screen = ev->same_screen;
+ bev->detail = ev->button;
+ bev->deviceid = ev->deviceid | MORE_EVENTS;
+
+ vev = (deviceValuator *) ++bev;
+ vev->type = info->codes->first_event + XI_DeviceValuator;
+ vev->deviceid = ev->deviceid;
+ vev->device_state = ev->device_state;
+ vev->first_valuator = ev->first_axis;
+ vev->num_valuators = ev->axes_count;
+
+ i = vev->num_valuators;
+ if (i > 6) i = 6;
+ switch (i)
+ {
+ case 6: vev->valuator5 = ev->axis_data[5];
+ case 5: vev->valuator4 = ev->axis_data[4];
+ case 4: vev->valuator3 = ev->axis_data[3];
+ case 3: vev->valuator2 = ev->axis_data[2];
+ case 2: vev->valuator1 = ev->axis_data[1];
+ case 1: vev->valuator0 = ev->axis_data[0];
+ }
+ break;
+ }
+ case XI_DeviceMotionNotify:
+ {
+ register XDeviceMotionEvent *ev =
+ (XDeviceMotionEvent *)re;
+ register deviceKeyButtonPointer *mev;
+ register deviceValuator *vev;
+
+ *count = 2;
+ mev = (deviceKeyButtonPointer *) Xmalloc (*count * sizeof (xEvent));
+ if (!mev)
+ return(_XUnknownNativeEvent(dpy, re, *event));
+ *event = (xEvent *) mev;
+
+ mev->type = ev->type;
+ mev->root = ev->root;
+ mev->event = ev->window;
+ mev->child = ev->subwindow;
+ mev->time = ev->time;
+ mev->event_x = ev->x ;
+ mev->event_y = ev->y ;
+ mev->root_x = ev->x_root;
+ mev->root_y = ev->y_root;
+ mev->state = ev->state;
+ mev->same_screen = ev->same_screen;
+ mev->detail = ev->is_hint;
+ mev->deviceid = ev->deviceid | MORE_EVENTS;
+
+ vev = (deviceValuator *) ++mev;
+ vev->type = info->codes->first_event + XI_DeviceValuator;
+ vev->deviceid = ev->deviceid;
+ vev->device_state = ev->device_state;
+ vev->first_valuator = ev->first_axis;
+ vev->num_valuators = ev->axes_count;
+
+ i = vev->num_valuators;
+ if (i > 6) i = 6;
+ switch (i)
+ {
+ case 6: vev->valuator5 = ev->axis_data[5];
+ case 5: vev->valuator4 = ev->axis_data[4];
+ case 4: vev->valuator3 = ev->axis_data[3];
+ case 3: vev->valuator2 = ev->axis_data[2];
+ case 2: vev->valuator1 = ev->axis_data[1];
+ case 1: vev->valuator0 = ev->axis_data[0];
+ }
+ break;
+ }
+ case XI_DeviceFocusIn:
+ case XI_DeviceFocusOut:
+ {
+ register XDeviceFocusChangeEvent *ev =
+ (XDeviceFocusChangeEvent *) re;
+ register deviceFocus *fev;
+
+ *count = 1;
+ fev = (deviceFocus *) Xmalloc (*count * sizeof (xEvent));
+ if (!fev)
+ return(_XUnknownNativeEvent(dpy, re, *event));
+ *event = (xEvent *) fev;
+
+ fev->type = ev->type;
+ fev->window = ev->window;
+ fev->mode = ev->mode;
+ fev->detail = ev->detail;
+ fev->time = ev->time;
+ fev->deviceid = ev->deviceid;
+ break;
+ }
+ case XI_DeviceMappingNotify:
+ {
+ register XDeviceMappingEvent *ev = (XDeviceMappingEvent *) re;
+ register deviceMappingNotify *mev;
+
+ *count = 1;
+ mev = (deviceMappingNotify *) Xmalloc (*count * sizeof (xEvent));
+ if (!mev)
+ return(_XUnknownNativeEvent(dpy, re, *event));
+ *event = (xEvent *) mev;
+
+ mev->type = ev->type;
+ mev->firstKeyCode = ev->first_keycode;
+ mev->request = ev->request;
+ mev->count = ev->count;
+ mev->time = ev->time;
+ mev->deviceid = ev->deviceid;
+ break;
+ }
+ case XI_DeviceStateNotify:
+ {
+ register XDeviceStateNotifyEvent *ev =
+ (XDeviceStateNotifyEvent *) re;
+ register deviceStateNotify *sev;
+ register xEvent *tev;
+ XInputClass *any = (XInputClass *) &ev->data[0];
+ unsigned char *sav_id;
+ *count = 1;
+
+ for (i=0; i<ev->num_classes; i++)
+ {
+ if (any->class == KeyClass)
+ {
+ XKeyStatus *k = (XKeyStatus *) any;
+ if (k->num_keys > 32)
+ (*count)++;
+ }
+ else if (any->class == ButtonClass)
+ {
+ XButtonStatus *b = (XButtonStatus *) any;
+ if (b->num_buttons > 32)
+ (*count)++;
+ }
+ else if (any->class == ValuatorClass)
+ {
+ XValuatorStatus *v = (XValuatorStatus *) any;
+ if (v->num_valuators > 3)
+ (*count)++;
+ }
+ any = (XInputClass *) ((char *) any + any->length);
+ }
+
+ sev = (deviceStateNotify *) Xmalloc (*count * sizeof (xEvent));
+ if (!sev)
+ return(_XUnknownNativeEvent(dpy, re, *event));
+ *event = (xEvent *) sev;
+ tev = (xEvent *) (sev+1);
+
+ sev->type = ev->type;
+ sev->deviceid = ev->deviceid;
+ sav_id = &(sev->deviceid);
+ sev->time = ev->time;
+ sev->classes_reported = 0;
+
+ any = (XInputClass *) &ev->data[0];
+ for (i=0; i<ev->num_classes; i++)
+ {
+ if (any->class == KeyClass)
+ {
+ XKeyStatus *k = (XKeyStatus *) any;
+ register deviceKeyStateNotify *kev;
+
+ sev->classes_reported |= (1 << KeyClass);
+ sev->num_keys = k->num_keys;
+ memcpy ((char *) (sev->keys), (char *) (k->keys), 4);
+ if (k->num_keys > 32)
+ {
+ kev = (deviceKeyStateNotify *) tev++;
+ kev->type = info->codes->first_event +
+ XI_DeviceKeystateNotify;
+ kev->deviceid = ev->deviceid;
+ *sav_id |= MORE_EVENTS;
+ sav_id = &(kev->deviceid);
+ memcpy ((char *) (kev->keys), (char *) (&k->keys[4]),
+ 28);
+ }
+ }
+ else if (any->class == ButtonClass)
+ {
+ XButtonStatus *b = (XButtonStatus *) any;
+ register deviceButtonStateNotify *bev;
+
+ sev->classes_reported |= (1 << ButtonClass);
+ sev->num_buttons = b->num_buttons;
+ memcpy ((char *) (sev->buttons), (char *) (b->buttons), 4);
+ if (b->num_buttons > 32)
+ {
+ bev = (deviceButtonStateNotify *) tev++;
+ bev->type = info->codes->first_event +
+ XI_DeviceButtonstateNotify;
+ bev->deviceid = ev->deviceid;
+ *sav_id |= MORE_EVENTS;
+ sav_id = &(bev->deviceid);
+ memcpy ((char *)(bev->buttons), (char *)(&b->buttons[4]),
+ 28);
+ }
+ }
+ else if (any->class == ValuatorClass)
+ {
+ XValuatorStatus *val = (XValuatorStatus *) any;
+ register deviceValuator *vev;
+
+ sev->classes_reported |= (1 << ValuatorClass);
+ sev->num_valuators = val->num_valuators < 3 ?
+ val->num_valuators : 3;
+ switch (sev->num_valuators)
+ {
+ case 3: sev->valuator2 = val->valuators[2];
+ case 2: sev->valuator1 = val->valuators[1];
+ case 1: sev->valuator0 = val->valuators[0];
+ }
+ if (val->num_valuators > 3)
+ {
+ vev = (deviceValuator *) tev++;
+ vev->type = info->codes->first_event +
+ XI_DeviceValuator;
+ vev->deviceid = ev->deviceid;
+ vev->first_valuator = 3;
+ vev->num_valuators = val->num_valuators - 3;
+ *sav_id |= MORE_EVENTS;
+ sav_id = &(vev->deviceid);
+ i = val->num_valuators;
+ if (i > 6) i = 6;
+ switch (i)
+ {
+ case 6: vev->valuator2 = val->valuators[5];
+ case 5: vev->valuator1 = val->valuators[4];
+ case 4: vev->valuator0 = val->valuators[3];
+ }
+ }
+ }
+ any = (XInputClass *) ((char *) any + any->length);
+ }
+ break;
+ }
+ case XI_ChangeDeviceNotify:
+ {
+ register XChangeDeviceNotifyEvent *ev =
+ (XChangeDeviceNotifyEvent *) re;
+ register changeDeviceNotify *cev;
+
+ *count = 1;
+ cev = (changeDeviceNotify *) Xmalloc (*count * sizeof (xEvent));
+ if (!cev)
+ return(_XUnknownNativeEvent(dpy, re, *event));
+ *event = (xEvent *) cev;
+
+ cev->type = ev->type;
+ cev->request = ev->request;
+ cev->time = ev->time;
+ cev->deviceid = ev->deviceid;
+ break;
+ }
+ default:
+ return(_XUnknownNativeEvent(dpy, re, *event));
+ }
+ return(1);
+ }
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