mirror of https://github.com/FreeRDP/FreeRDP
117 lines
2.7 KiB
C
117 lines
2.7 KiB
C
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/**
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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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void xf_input_init(rdpContext* context)
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{
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xfInfo* xfi;
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xfi = ((xfContext*) context)->xfi;
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int opcode, event, error;
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int major = 2, minor = 2;
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XIDeviceInfo *info;
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int ndevices, i, j;
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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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printf("X Input extension available.\n");
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xfi->XInputOpcode = opcode;
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printf("Input Opcode = %d\n", 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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printf("XI 2.2 supported\n");
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info = XIQueryDevice(xfi->display, XIAllDevices, &ndevices);
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for (i = 0; i < ndevices; i++)
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{
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XIDeviceInfo *dev = &info[i];
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printf("Device name [id] %s [%d]\n", dev->name, dev->deviceid);
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for (j = 0; j < dev->num_classes; j++)
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{
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XIAnyClassInfo *class = dev->classes[j];
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XITouchClassInfo *t = (XITouchClassInfo*)class;
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if (class->type != XITouchClass)
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continue;
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printf("%s touch device, supporting %d touches.\n",
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(t->mode == XIDirectTouch) ? "direct" : "dependent",
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t->num_touches);
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}
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}
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////////////////////
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eventmask.deviceid = XIAllDevices; //13;
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eventmask.mask_len = sizeof(mask); /* always in bytes */
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eventmask.mask = mask;
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/* now set the 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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default:
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printf("XISelectEvents() returned %d\n", error);
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break;
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}
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printf("Should now be able to get touch events\n");
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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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