124 lines
2.6 KiB
C
124 lines
2.6 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* X11 Input
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*
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* Copyright 2013 Corey Clayton <can.of.tuna@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef WITH_XI
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#include <X11/extensions/XInput2.h>
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#endif
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#include "xf_input.h"
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int xinput_opcode; //TODO: use this instead of xfi
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void xf_input_init(xfInfo* xfi)
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{
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int opcode, event, error;
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int major = 2, minor = 2;
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XIEventMask eventmask;
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unsigned char mask[(XI_LASTEVENT + 7)/8];
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ZeroMemory(mask, sizeof(mask));
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if (XQueryExtension(xfi->display, "XInputExtension", &opcode, &event, &error))
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{
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xfi->XInputOpcode = opcode;
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XIQueryVersion(xfi->display, &major, &minor);
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if (!(major * 1000 + minor < 2002))
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{
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eventmask.deviceid = XIAllDevices;
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eventmask.mask_len = sizeof(mask);
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eventmask.mask = mask;
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XISetMask(mask, XI_TouchBegin);
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XISetMask(mask, XI_TouchUpdate);
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XISetMask(mask, XI_TouchEnd);
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error = XISelectEvents(xfi->display, xfi->window->handle, &eventmask, 1);
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switch (error)
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{
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case BadValue:
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printf("\tBadValue\n");
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break;
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case BadWindow:
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printf("\tBadWindow\n");
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break;
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case 0: //no error
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break;
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default:
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printf("XISelectEvents() returned %d\n", error);
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break;
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}
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}
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else
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{
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printf("Server does not support XI 2.2\n");
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}
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}
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else
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{
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printf("X Input extension not available!!!\n");
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}
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}
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void xf_input_handle_event(xfInfo* xfi, XEvent* event)
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{
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//handle touch events
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XGenericEventCookie* cookie = &event->xcookie;
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XIDeviceEvent* devEvent;
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XGetEventData(xfi->display, cookie);
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if ( (cookie->type == GenericEvent) &&
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(cookie->extension == xfi->XInputOpcode) )
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{
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switch(cookie->evtype)
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{
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case XI_TouchBegin:
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case XI_TouchUpdate:
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case XI_TouchEnd:
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devEvent = cookie->data;
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printf("\tTouch (%d - dev:%d - src:%d) [%f,%f]\n",
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cookie->evtype,
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devEvent->deviceid,
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devEvent->sourceid,
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devEvent->event_x,
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devEvent->event_y);
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//do_something(ev.xcookie.data);
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break;
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default:
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printf("unhandled xi type= %d\n", cookie->evtype);
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break;
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}
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}
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XFreeEventData(xfi->display,cookie);
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}
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