100 lines
3.1 KiB
C
100 lines
3.1 KiB
C
/*
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* general purpose mouse support for Linux
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*
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* *several tools only needed by the server*
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*
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* Copyright (c) 2002 Nico Schottelius <nico-gpm@schottelius.org>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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********/
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#include <string.h>
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#include <stdlib.h> /* malloc() */
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#include <sys/fcntl.h>
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#include "headers/gpmInt.h"
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#include "headers/message.h"
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struct micetab *micelist;
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/* DESCR: allocate a new mouse and to the list of mice. initialization follows later */
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/* RETURN: new mouse structure */
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/* COMMENT: does error handling and exiting itself */
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struct micetab *add_mouse(void)
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{
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struct micetab *mouse;
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gpm_report(GPM_PR_DEBUG, "adding mouse device");
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if (!(mouse = malloc(sizeof(struct micetab))))
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gpm_report(GPM_PR_OOPS, GPM_MESS_NO_MEM);
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memset(mouse, 0, sizeof(struct micetab));
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mouse->dev.timeout = -1;
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mouse->options.sequence = NULL;
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mouse->options.sample = DEF_SAMPLE;
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mouse->options.delta = DEF_DELTA;
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mouse->options.accel = DEF_ACCEL;
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mouse->options.scalex = DEF_SCALE;
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mouse->options.scaley = DEF_SCALE;
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mouse->options.time = DEF_TIME;
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mouse->options.cluster = DEF_CLUSTER;
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mouse->options.three_button = DEF_THREE;
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mouse->options.glidepoint_tap = DEF_GLIDEPOINT_TAP;
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mouse->options.text = NULL;
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mouse->next = micelist;
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micelist = mouse;
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return mouse;
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}
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/* DESCR: mice initialization. calls appropriate init functions. */
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/* COMMENT: does error handling and exiting itself */
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void init_mice(void)
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{
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struct micetab *mouse;
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for (mouse = micelist; mouse; mouse = mouse->next) {
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if (!strcmp(mouse->device, "-"))
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mouse->dev.fd = 0; /* use stdin */
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else if ((mouse->dev.fd = open(mouse->device, O_RDWR | O_NDELAY)) < 0)
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gpm_report(GPM_PR_OOPS, GPM_MESS_OPEN, mouse->device);
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/* and then reset the flag */
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fcntl(mouse->dev.fd, F_SETFL, fcntl(mouse->dev.fd, F_GETFL) & ~O_NDELAY);
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/* init the device, and use the return value as new mouse type */
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if (mouse->type->init)
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if (mouse->type->init(&mouse->dev, &mouse->options, mouse->type))
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gpm_report(GPM_PR_OOPS, GPM_MESS_MOUSE_INIT);
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}
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}
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/* DESCR: when leaving, we should reset mice to their normal state */
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/* COMMENT: does error handling and exiting itself */
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void cleanup_mice(void)
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{
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struct micetab *tmp;
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while ((tmp = micelist)) {
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if (micelist->dev.private)
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free(micelist->dev.private);
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micelist = micelist->next;
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free(tmp);
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}
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}
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