130 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			130 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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Copyright 1993 by Davor Matic
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Permission to use, copy, modify, distribute, and sell this software
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and its documentation for any purpose is hereby granted without fee,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation.  Davor Matic makes no representations about
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the suitability of this software for any purpose.  It is provided "as
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is" without express or implied warranty.
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*/
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#ifdef HAVE_XNEST_CONFIG_H
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#include <xnest-config.h>
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#endif
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include "screenint.h"
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#include "inputstr.h"
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#include "input.h"
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#include "misc.h"
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#include "scrnintstr.h"
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#include "servermd.h"
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#include "mipointer.h"
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#include "xnest-xcb.h"
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#include "Display.h"
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#include "Screen.h"
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#include "Pointer.h"
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#include "Args.h"
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#include "xserver-properties.h"
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#include "exevents.h"           /* For XIGetKnownProperty */
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DeviceIntPtr xnestPointerDevice = NULL;
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void
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xnestChangePointerControl(DeviceIntPtr pDev, PtrCtrl * ctrl)
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{
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    xcb_change_pointer_control(xnestUpstreamInfo.conn,
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                               ctrl->num,
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                               ctrl->den,
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                               ctrl->threshold,
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                               TRUE,
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                               TRUE);
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}
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int
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xnestPointerProc(DeviceIntPtr pDev, int onoff)
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{
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    Atom btn_labels[MAXBUTTONS] = { 0 };
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    Atom axes_labels[2] = { 0 };
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    int i;
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    switch (onoff) {
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    case DEVICE_INIT:
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    {
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        btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT);
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        btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE);
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        btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT);
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        btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP);
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        btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN);
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        btn_labels[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT);
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        btn_labels[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT);
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        axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X);
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        axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y);
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        xnest_get_pointer_control(xnestUpstreamInfo.conn,
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                                  &defaultPointerControl.num,
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                                  &defaultPointerControl.den,
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                                  &defaultPointerControl.threshold);
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        xcb_generic_error_t *pm_err = NULL;
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        xcb_get_pointer_mapping_reply_t *pm_reply =
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            xcb_get_pointer_mapping_reply(
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                xnestUpstreamInfo.conn,
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                xcb_get_pointer_mapping(xnestUpstreamInfo.conn),
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                &pm_err);
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        if (pm_err) {
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            ErrorF("failed getting pointer mapping %d\n", pm_err->error_code);
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            free(pm_err);
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            break;
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        }
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        if (!pm_reply) {
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            ErrorF("failed getting pointer mapping: no reply\n");
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            break;
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        }
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        const int nmap = xcb_get_pointer_mapping_map_length(pm_reply);
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        uint8_t *map = xcb_get_pointer_mapping_map(pm_reply);
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        for (i=0; i<nmap; i++)
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            map[i] = i;         /* buttons are already mapped */
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        InitPointerDeviceStruct(&pDev->public,
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                                map,
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                                nmap,
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                                btn_labels,
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                                xnestChangePointerControl,
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                                GetMotionHistorySize(), 2, axes_labels);
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        free(pm_reply);
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        break;
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    }
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    case DEVICE_ON:
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        xnestEventMask |= XNEST_POINTER_EVENT_MASK;
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        for (i = 0; i < xnestNumScreens; i++)
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            xcb_change_window_attributes(xnestUpstreamInfo.conn,
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                                         xnestDefaultWindows[i],
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                                         XCB_CW_EVENT_MASK,
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                                         &xnestEventMask);
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        break;
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    case DEVICE_OFF:
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        xnestEventMask &= ~XNEST_POINTER_EVENT_MASK;
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        for (i = 0; i < xnestNumScreens; i++)
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            xcb_change_window_attributes(xnestUpstreamInfo.conn,
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                                         xnestDefaultWindows[i],
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                                         XCB_CW_EVENT_MASK,
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                                         &xnestEventMask);
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        break;
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    case DEVICE_CLOSE:
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        break;
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    }
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    return Success;
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}
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