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#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <unistd.h>
#include <string.h>
#include <stddef.h>
#include <math.h>
#include <X11/Xdefs.h>
#include "synaptics.h"
static void show_hw_info(SynapticsSHM* synshm)
{
printf("Hardware properties:\n");
if (synshm->isSynaptics) {
printf(" Model Id = %08lx\n", synshm->model_id);
printf(" Capabilities = %08lx\n", synshm->capabilities);
printf(" Identity = %08lx\n", synshm->identity);
} else {
printf(" No touchpad found\n");
printf(" Do you use a newer kernel than 2.4?\n");
printf(" Then browse the messages or boot.msg for the hardware info\n");
}
}
/* ---------------------------------------------------------------------- */
enum ParaType {
PT_INT,
PT_BOOL,
PT_DOUBLE
};
struct Parameter {
char* name; /* Name of parameter */
int offset; /* Offset in shared memory area */
enum ParaType type; /* Type of parameter */
double min_val; /* Minimum allowed value */
double max_val; /* Maximum allowed value */
};
#define DEFINE_PAR(name, memb, type, min_val, max_val) \
{ name, offsetof(SynapticsSHM, memb), (type), (min_val), (max_val) }
static struct Parameter params[] = {
DEFINE_PAR("LeftEdge", left_edge, PT_INT, 0, 10000),
DEFINE_PAR("RightEdge", right_edge, PT_INT, 0, 10000),
DEFINE_PAR("TopEdge", top_edge, PT_INT, 0, 10000),
DEFINE_PAR("BottomEdge", bottom_edge, PT_INT, 0, 10000),
DEFINE_PAR("FingerLow", finger_low, PT_INT, 0, 255),
DEFINE_PAR("FingerHigh", finger_high, PT_INT, 0, 255),
DEFINE_PAR("MaxTapTime", tap_time, PT_INT, 0, 1000),
DEFINE_PAR("MaxTapMove", tap_move, PT_INT, 0, 2000),
DEFINE_PAR("EmulateMidButtonTime", emulate_mid_button_time, PT_INT, 0, 1000),
DEFINE_PAR("VertScrollDelta", scroll_dist_vert, PT_INT, 5, 1000),
DEFINE_PAR("HorizScrollDelta", scroll_dist_horiz, PT_INT, 5, 1000),
DEFINE_PAR("MinSpeed", min_speed, PT_DOUBLE, 0, 1.0),
DEFINE_PAR("MaxSpeed", max_speed, PT_DOUBLE, 0, 1.0),
DEFINE_PAR("AccelFactor", accl, PT_DOUBLE, 0, 0.2),
DEFINE_PAR("EdgeMotionSpeed", edge_motion_speed, PT_INT, 0, 400),
DEFINE_PAR("UpDownScrolling", updown_button_scrolling, PT_BOOL, 0, 1),
DEFINE_PAR("TouchpadOff", touchpad_off, PT_BOOL, 0, 1),
DEFINE_PAR("LockedDrags", locked_drags, PT_BOOL, 0, 1),
{ 0, 0, 0, 0, 0 }
};
static void show_settings(SynapticsSHM* synshm)
{
int i;
printf("Parameter settings:\n");
for (i = 0; params[i].name; i++) {
struct Parameter* par = ¶ms[i];
switch (par->type) {
case PT_INT:
printf(" %-20s = %d\n", par->name, *(int*)((char*)synshm + par->offset));
break;
case PT_BOOL:
printf(" %-20s = %d\n", par->name, *(Bool*)((char*)synshm + par->offset));
break;
case PT_DOUBLE:
printf(" %-20s = %g\n", par->name, *(double*)((char*)synshm + par->offset));
break;
}
}
}
static void set_variables(SynapticsSHM* synshm, int argc, char* argv[], int first_cmd)
{
int i;
for (i = first_cmd; i < argc; i++) {
char* cmd = argv[i];
char* eqp = index(cmd, '=');
if (eqp) {
int j;
int found = 0;
*eqp = 0;
for (j = 0; params[j].name; j++) {
if (strcasecmp(cmd, params[j].name) == 0) {
found = 1;
break;
}
}
if (found) {
double val = atof(&eqp[1]);
struct Parameter* par = ¶ms[j];
if (val < par->min_val)
val = par->min_val;
if (val > par->max_val)
val = par->max_val;
switch (par->type) {
case PT_INT:
*(int*)((char*)synshm + par->offset) = (int)rint(val);
break;
case PT_BOOL:
*(Bool*)((char*)synshm + par->offset) = (Bool)rint(val);
break;
case PT_DOUBLE:
*(double*)((char*)synshm + par->offset) = val;
break;
}
} else {
printf("Unknown parameter %s\n", cmd);
}
} else {
printf("Invalid command: %s\n", cmd);
}
}
}
static int is_equal(SynapticsSHM* s1, SynapticsSHM* s2)
{
return ((s1->x == s2->x) &&
(s1->y == s2->y) &&
(s1->z == s2->z) &&
(s1->numFingers == s2->numFingers) &&
(s1->fingerWidth == s2->fingerWidth) &&
(s1->left == s2->left) &&
(s1->right == s2->right) &&
(s1->up == s2->up) &&
(s1->down == s2->down));
}
static void monitor(SynapticsSHM* synshm, int delay)
{
SynapticsSHM old;
memset(&old, 0, sizeof(SynapticsSHM));
old.x = -1; /* Force first equality test to fail */
while(1) {
SynapticsSHM cur = *synshm;
if (!is_equal(&old, &cur)) {
printf("x:%4d y:%4d z:%3d f:%1d w:%2d left:%d right:%d up:%d down:%d\n",
cur.x, cur.y, cur.z, cur.numFingers, cur.fingerWidth,
cur.left, cur.right, cur.up, cur.down);
old = cur;
}
usleep(delay * 1000);
}
}
static void usage()
{
fprintf(stderr, "Usage: synclient [-m interval] [-h] [-l] [-?] [var1=value1 [var2=value2] ...]\n");
fprintf(stderr, " -m monitor changes to the touchpad state.\n"
" interval specifies how often (in ms) to poll the touchpad state\n");
fprintf(stderr, " -h Show detected hardware properties\n");
fprintf(stderr, " -l List current user settings\n");
fprintf(stderr, " -? Show this help message\n");
fprintf(stderr, " var=value Set user parameter 'var' to 'value'.\n");
exit(1);
}
int main(int argc, char* argv[])
{
SynapticsSHM *synshm;
int shmid;
int c;
int delay = -1;
int do_monitor = 0;
int dump_hw = 0;
int dump_settings = 0;
int first_cmd;
/* Parse command line parameters */
while ((c = getopt(argc, argv, "m:hl")) != -1) {
switch (c) {
case 'm':
do_monitor = 1;
if ((delay = atoi(optarg)) < 0)
usage();
break;
case 'h':
dump_hw = 1;
break;
case 'l':
dump_settings = 1;
break;
default:
usage();
}
}
first_cmd = optind;
if (!do_monitor && !dump_hw && !dump_settings && first_cmd == argc)
usage();
/* Connect to the shared memory area */
if((shmid = shmget(SHM_SYNAPTICS, sizeof(SynapticsSHM), 0)) == -1) {
if ((shmid = shmget(SHM_SYNAPTICS, 0, 0)) == -1) {
fprintf(stderr, "Can't access shared memory area. SHMConfig disabled?\n");
exit(1);
} else {
fprintf(stderr, "Incorrect size of shared memory area. Incompatible driver version?\n");
exit(1);
}
}
if((synshm = (SynapticsSHM*) shmat(shmid, NULL, 0)) == NULL) {
perror("shmat");
exit(1);
}
/* Perform requested actions */
if (dump_hw) {
show_hw_info(synshm);
}
set_variables(synshm, argc, argv, first_cmd);
if (dump_settings) {
show_settings(synshm);
}
if (do_monitor) {
monitor(synshm, delay);
}
exit(0);
}
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