110 lines
3.4 KiB
C
110 lines
3.4 KiB
C
/*
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* display-coords.c - a very simple gpm client
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*
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* Copyright 2007-2008 Nico Schottelius <nico-gpm2008 (at) schottelius.org>
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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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* Compile and link with: gcc -o display-buttons -lgpm display-buttons.c
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*
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********/
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/*
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* This client is connects to gpm and displays the following values until
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* it is killed by control+c:
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*
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* left/middle/right button
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* time: when packet was recievesd
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* dtime: delta to the last packet
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*
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*/
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#include <unistd.h> /* write, read, open */
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#include <stdlib.h> /* strtol() */
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#include <stdio.h> /* printf() */
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#include <time.h> /* time() */
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#include <errno.h> /* errno */
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#include <gpm.h> /* gpm information */
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/* display resulting data */
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int display_data(Gpm_Event *event, void *data)
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{
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static time_t last = 0;
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time_t now = time(NULL);
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int delta;
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delta = now - last;
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last = now;
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/* display time, delta time */
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printf("[%d] delta: %ds",now,delta);
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/* display mouse information */
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printf(": p=%d, l=%1d, m=%1d, r=%1d, clicks=%d\n",
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event->type & GPM_DOWN,
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event->buttons & GPM_B_LEFT,
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event->buttons & GPM_B_MIDDLE,
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event->buttons & GPM_B_RIGHT,
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event->clicks);
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return 0;
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}
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int main(int argc, char **argv)
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{
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int vc; /* argv: console number */
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Gpm_Connect conn; /* connection to gpm */
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fd_set fds;
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/* select virtual console, 0 if not set */
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vc = (argc == 2) ? strtol(argv[1],NULL,10) : 0;
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conn.eventMask = GPM_DRAG | GPM_DOWN | GPM_UP;
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conn.defaultMask = ~GPM_HARD; /* inverted GPM_HARD mask */
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conn.minMod = 0;
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conn.maxMod = ~0;
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if(Gpm_Open(&conn,vc) == -1) {
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printf("Cannot connect to gpm!\n");
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return 1;
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}
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if(gpm_fd == -2) {
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printf("I must be run on the console\n");
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return 1;
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}
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printf("\tp=pressed (0=release)\n\tl=left\n\tm=middle\n\tr=right\n");
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while(1) { /* read data */
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FD_ZERO(&fds);
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FD_SET(gpm_fd, &fds);
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if (select(gpm_fd+1, &fds, 0, 0, 0) < 0 && errno == EINTR)
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continue;
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if (FD_ISSET(gpm_fd, &fds)) {
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Gpm_Event evt;
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if (Gpm_GetEvent(&evt) > 0) {
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display_data(&evt, NULL);
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} else {
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printf("Gpm_GetEvent failed\n");
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}
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}
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}
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Gpm_Close(); /* close connection */
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return 0;
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}
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