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Add Motion Stub to Setsu

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Florian Märkl 2021-01-06 11:31:13 +01:00
commit abc9a27208
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5 changed files with 196 additions and 130 deletions
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setsu/demo/touchpad.c Normal file
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// SPDX-License-Identifier: LicenseRef-AGPL-3.0-only-OpenSSL
#include <setsu.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include <assert.h>
#include <signal.h>
Setsu *setsu;
#define WIDTH 1920
#define HEIGHT 942
#define TOUCHES_MAX 8
#define SCALE 16
struct {
bool down;
unsigned int tracking_id;
unsigned int x, y;
} touches[TOUCHES_MAX];
bool dirty = false;
bool log_mode;
volatile bool should_quit;
#define LOG(...) do { if(log_mode) fprintf(stderr, __VA_ARGS__); } while(0)
void sigint(int s)
{
should_quit = true;
}
void print_state()
{
char buf[(1 + WIDTH/SCALE)*(HEIGHT/SCALE) + 1];
size_t i = 0;
for(size_t y=0; y<HEIGHT/SCALE; y++)
{
for(size_t x=0; x<WIDTH/SCALE; x++)
{
for(size_t t=0; t<TOUCHES_MAX; t++)
{
if(touches[t].down && touches[t].x / SCALE == x && touches[t].y / SCALE == y)
{
buf[i++] = 'X';
goto beach;
}
}
buf[i++] = '.';
beach:
continue;
}
buf[i++] = '\n';
}
buf[i++] = '\0';
assert(i == sizeof(buf));
printf("\033[2J%s", buf);
fflush(stdout);
}
void event(SetsuEvent *event, void *user)
{
dirty = true;
switch(event->type)
{
case SETSU_EVENT_DEVICE_ADDED: {
if(event->dev_type != SETSU_DEVICE_TYPE_TOUCHPAD)
break;
SetsuDevice *dev = setsu_connect(setsu, event->path, SETSU_DEVICE_TYPE_TOUCHPAD);
LOG("Device added: %s, connect %s\n", event->path, dev ? "succeeded" : "FAILED!");
break;
}
case SETSU_EVENT_DEVICE_REMOVED:
if(event->dev_type != SETSU_DEVICE_TYPE_TOUCHPAD)
break;
LOG("Device removed: %s\n", event->path);
break;
case SETSU_EVENT_TOUCH_DOWN:
LOG("Down for %s, tracking id %d\n", setsu_device_get_path(event->dev), event->tracking_id);
for(size_t i=0; i<TOUCHES_MAX; i++)
{
if(!touches[i].down)
{
touches[i].down = true;
touches[i].tracking_id = event->tracking_id;
break;
}
}
break;
case SETSU_EVENT_TOUCH_POSITION:
case SETSU_EVENT_TOUCH_UP:
if(event->type == SETSU_EVENT_TOUCH_UP)
LOG("Up for %s, tracking id %d\n", setsu_device_get_path(event->dev), event->tracking_id);
else
LOG("Position for %s, tracking id %d: %u, %u\n", setsu_device_get_path(event->dev),
event->tracking_id, (unsigned int)event->x, (unsigned int)event->y);
for(size_t i=0; i<TOUCHES_MAX; i++)
{
if(touches[i].down && touches[i].tracking_id == event->tracking_id)
{
switch(event->type)
{
case SETSU_EVENT_TOUCH_POSITION:
touches[i].x = event->x;
touches[i].y = event->y;
break;
case SETSU_EVENT_TOUCH_UP:
touches[i].down = false;
break;
default:
break;
}
}
}
break;
case SETSU_EVENT_BUTTON_DOWN:
case SETSU_EVENT_BUTTON_UP:
LOG("Button for %s: %llu %s\n", setsu_device_get_path(event->dev),
(unsigned long long)event->button, event->type == SETSU_EVENT_BUTTON_DOWN ? "down" : "up");
break;
}
}
void usage(const char *prog)
{
printf("usage: %s [-l]\n -l log mode\n", prog);
exit(1);
}
int main(int argc, const char *argv[])
{
log_mode = false;
if(argc == 2)
{
if(!strcmp(argv[1], "-l"))
log_mode = true;
else
usage(argv[0]);
}
else if(argc != 1)
usage(argv[0]);
memset(touches, 0, sizeof(touches));
setsu = setsu_new();
if(!setsu)
{
printf("Failed to init setsu\n");
return 1;
}
struct sigaction sa = {0};
sa.sa_handler = sigint;
sigemptyset(&sa.sa_mask);
sigaction(SIGINT, &sa, NULL);
dirty = true;
while(!should_quit)
{
if(dirty && !log_mode)
print_state();
dirty = false;
setsu_poll(setsu, event, NULL);
}
setsu_free(setsu);
printf("\nさよなら!\n");
return 0;
}