/*

Copyright 1993 by Davor Matic

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.  Davor Matic makes no representations about
the suitability of this software for any purpose.  It is provided "as
is" without express or implied warranty.

*/
#include <dix-config.h>

#include <X11/X.h>
#include <X11/Xproto.h>
#include "screenint.h"
#include "inputstr.h"
#include "input.h"
#include "misc.h"
#include "scrnintstr.h"
#include "servermd.h"
#include "mipointer.h"

#include "xnest-xcb.h"

#include "Display.h"
#include "Screen.h"
#include "Pointer.h"
#include "Args.h"

#include "xserver-properties.h"
#include "exevents.h"           /* For XIGetKnownProperty */

DeviceIntPtr xnestPointerDevice = NULL;

void
xnestChangePointerControl(DeviceIntPtr pDev, PtrCtrl * ctrl)
{
    xcb_change_pointer_control(xnestUpstreamInfo.conn,
                               ctrl->num,
                               ctrl->den,
                               ctrl->threshold,
                               TRUE,
                               TRUE);
}

int
xnestPointerProc(DeviceIntPtr pDev, int onoff)
{
    Atom btn_labels[MAXBUTTONS] = { 0 };
    Atom axes_labels[2] = { 0 };
    int i;

    switch (onoff) {
    case DEVICE_INIT:
    {
        btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT);
        btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE);
        btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT);
        btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP);
        btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN);
        btn_labels[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT);
        btn_labels[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT);

        axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X);
        axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y);

        xnest_get_pointer_control(xnestUpstreamInfo.conn,
                                  &defaultPointerControl.num,
                                  &defaultPointerControl.den,
                                  &defaultPointerControl.threshold);

        xcb_generic_error_t *pm_err = NULL;
        xcb_get_pointer_mapping_reply_t *pm_reply =
            xcb_get_pointer_mapping_reply(
                xnestUpstreamInfo.conn,
                xcb_get_pointer_mapping(xnestUpstreamInfo.conn),
                &pm_err);
        if (pm_err) {
            ErrorF("failed getting pointer mapping %d\n", pm_err->error_code);
            free(pm_err);
            break;
        }

        if (!pm_reply) {
            ErrorF("failed getting pointer mapping: no reply\n");
            break;
        }

        const int nmap = xcb_get_pointer_mapping_map_length(pm_reply);
        uint8_t *map = xcb_get_pointer_mapping_map(pm_reply);
        for (i=0; i<nmap; i++)
            map[i] = i;         /* buttons are already mapped */

        InitPointerDeviceStruct(&pDev->public,
                                map,
                                nmap,
                                btn_labels,
                                xnestChangePointerControl,
                                GetMotionHistorySize(), 2, axes_labels);
        free(pm_reply);
        break;
    }
    case DEVICE_ON:
        xnestEventMask |= XNEST_POINTER_EVENT_MASK;
        for (i = 0; i < xnestNumScreens; i++)
            xcb_change_window_attributes(xnestUpstreamInfo.conn,
                                         xnestDefaultWindows[i],
                                         XCB_CW_EVENT_MASK,
                                         &xnestEventMask);
        break;
    case DEVICE_OFF:
        xnestEventMask &= ~XNEST_POINTER_EVENT_MASK;
        for (i = 0; i < xnestNumScreens; i++)
            xcb_change_window_attributes(xnestUpstreamInfo.conn,
                                         xnestDefaultWindows[i],
                                         XCB_CW_EVENT_MASK,
                                         &xnestEventMask);
        break;
    case DEVICE_CLOSE:
        break;
    }
    return Success;
}