tTh/gadgets-OSC
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tth 2019-08-02 04:52:56 +02:00
parent 5084801d44
commit 36d38c2a00
7 changed files with 396 additions and 0 deletions
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11
.gitignore vendored Normal file
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MANIFEST
tarball
doc/*.toc
doc/*.log
doc/*.aux
doc/*.pdf
doc/*.idx
doc/*.ilg
doc/*.ind

8
Makefile Normal file
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# ----------------------------------------------------
# umpf...
OPTS = -Wall -g -DDEBUG_LEVEL=1
# ----------------------------------------------------

38
doc/gadgets-osc.tex Normal file
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\documentclass[a4paper,11pt]{article}
% \listfiles % pour le debug
\usepackage[french]{babel}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
% XXX \usepackage{lipsum}
\usepackage{makeidx}
\usepackage{listings}
% \usepackage{color}
% \usepackage{url}
\usepackage{xspace}
\usepackage[verbose]{layout}
\makeindex
% -------------------------------------------------------------------
\title{Floating images processing}
\author{tTh}
\begin{document}
\maketitle
\section{Open Sound Control}
De quoi parle-t-on exactement ?
% -------------------------------------------------------------------
\section{Example}
% -------------------------------------------------------------------
\pagebreak
\tableofcontents
\printindex
\end{document}

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doc/mkdoc.sh Normal file
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#!/bin/bash
DOC=gadgets-osc
pdflatex $DOC.tex
makeindex $DOC
pdflatex $DOC

127
functions/ncursefuncs.c Normal file
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/*
* ncurses widgets for poc-osc
*/
#include <stdio.h>
#include <stdlib.h>
#include <curses.h>
#include <signal.h>
#include <locale.h>
#include "ncursefuncs.h"
extern int verbosity; /* to be declared public near main() */
/* ----------------------------------------------------------------- */
void endcurses(int p)
{
endwin();
fprintf(stderr, "%s : p=%d, bye...\n", __func__, p);
exit(0);
}
static void atexit_endcurses(void)
{
#if DEBUG_LEVEL
fprintf(stderr, "--> %s ( )\n", __func__);
#endif
endcurses(0);
}
/* ----------------------------------------------------------------- */
int initcurses(void)
{
setlocale(LC_ALL, ""); /* pourquoi ? */
/* get character-at-a-time input without echoing */
initscr(); cbreak(); noecho();
/* hide the cursor */
curs_set(0);
atexit(atexit_endcurses);
// signal(SIGINT, endcurses);
return 0; /* this is not a magic number */
}
/* ----------------------------------------------------------------- */
int draw_main_screen(char *title, int unused)
{
char ligne[81];
int foo;
#if DEBUG_LEVEL
fprintf(stderr, "--> %s ( '%s' %d )\n", __func__, title, unused);
#endif
if (verbosity) {
sprintf(ligne, "screen : %d x %d", LINES, COLS);
mvaddstr(1, 0, ligne);
}
standout();
for (foo=0; foo<COLS; foo++) mvaddch(0, foo, '|');
mvaddstr(0, 0, title);
standend();
refresh();
return 0; /* this is not a magic number */
}
/* ----------------------------------------------------------------- */
int blast_error_message(char *txt, int violence, int unused)
{
int line, foo;
char buff[60];
#if DEBUG_LEVEL
fprintf(stderr, "--> %s ( '%s' %d %d )\n", __func__,
txt, violence, unused);
#endif
line = LINES - 1;
if (verbosity > 3) {
sprintf(buff, "%s : line is %d ", __func__, line);
mvaddstr(1, 0, buff); refresh();
}
standout();
// clear our part of screen
for (foo=0; foo<COLS; foo++) {
mvaddch(line, foo, '_');
}
mvaddstr(line, 0, "SYS$MSG_ ");
mvaddstr(line, 9, txt);
standend();
return 0;
}
/* ----------------------------------------------------------------- */
/* warning: only use the bit 0 of the 'state' arg */
int draw_a_button(WINDOW *w, int lig, int col, char *txt, int state)
{
#if DEBUG_LEVEL > 1
fprintf(stderr, "--> %s ( %3d %3d '%s' %d )\n", __func__,
lig, col, txt, state);
#endif
if (state) {
standout();
mvaddstr(lig, col, "*****");
mvaddstr(lig+1, col, "*");
mvaddstr(lig+1, col+1, txt);
mvaddstr(lig+1, col+4, "*");
mvaddstr(lig+2, col, "*****");
standend();
}
else {
mvaddstr(lig, col, "+---+");
mvaddstr(lig+1, col, "| |");
mvaddstr(lig+2, col, "+---+");
}
refresh();
return 0;
}
/* ----------------------------------------------------------------- */
/* ----------------------------------------------------------------- */

14
functions/ncursefuncs.h Normal file
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/*
* ncurse funcs
*/
#include <curses.h>
int initcurses(void);
void endcurses(int p);
int draw_main_screen(char *title, int unused);
int blast_error_message(char *txt, int violence, int unused);
/* warning: only use the bit 0 of the 'state' arg */
int draw_a_button(WINDOW *w, int lig, int col, char *txt, int state);

189
osc2cursor.c Normal file
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/*
* dessiner avec OSC et la manette de jeu
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <limits.h> /* for SHRT_MIN */
#include <time.h>
#include <curses.h>
#include <signal.h>
#include <locale.h>
#include <getopt.h>
#include <lo/lo.h>
#include "ncursefuncs.h"
/* ----------------------------------------------------------------- */
#define LOCAL_PORT "9000"
int verbosity = 0;
unsigned long hits = 0L;
int erase_button = -1;
int current_char = '%';
volatile int must_erase = 0;
/* ----------------------------------------------------------------- */
void error(int num, const char *msg, const char *path)
{
fprintf(stderr, "liblo server error %d in path %s : %s\n", num, path, msg);
exit(1);
}
/* ----------------------------------------------------------------- */
int button_handler(const char *path, const char *types, lo_arg ** argv,
int argc, void *data, void *user_data)
{
char ligne[80];
#if DEBUG_LEVEL > 1
printf(stderr, "%s : %s %s %d\n", __func__, path, types, argc);
#endif
if (verbosity) {
sprintf(ligne, "%s %s %s %d\n", __func__, path, types, argc);
mvaddstr(2, 2, ligne);
refresh();
}
if (-1 == erase_button) return 0;
if ( (argv[0]->i == erase_button) &&
(argv[1]->i == 0) ) {
must_erase = 1;
}
return 0;
}
/* ----------------------------------------------------------------- */
static int old_c = 0, old_l = 0;
int xy_handler(const char *path, const char *types, lo_arg ** argv,
int argc, void *data, void *user_data)
{
char ligne[80];
int val_x, val_y;
int cur_l, cur_c;
float kx, ky;
if (verbosity>1) fprintf(stderr, "%s : %s %s %d\n", __func__,
path, types, argc);
if (must_erase) {
move(1, 0);
clrtobot();
must_erase = 0;
}
standout();
val_x = argv[0]->i; val_y = argv[1]->i;
if (verbosity) {
sprintf(ligne, " xy %6d %6d ", val_x, val_y);
mvaddstr(0, 30, ligne);
hits++;
sprintf(ligne, " %7lu ", hits);
mvaddstr(0, COLS-12, ligne);
}
standend();
/* boundary checking */
if (val_x < SHRT_MIN) val_x = SHRT_MIN;
if (val_y < SHRT_MIN) val_y = SHRT_MIN;
if (val_x > SHRT_MAX) val_x = SHRT_MAX;
if (val_y > SHRT_MAX) val_y = SHRT_MAX;
/* make values positives */
val_x += -SHRT_MIN;
val_y += -SHRT_MIN;
/* compute position of the new spot */
kx = (float)COLS / 65535.0;
ky = (float)(LINES-1) / 65535.0;
cur_c = (int)((float)val_x * kx);
cur_l = 1 + (int)((float)val_y * ky);
if (verbosity) {
fprintf(stderr, "%7d %7d -> %7d %7d\n",
val_x, val_y, cur_l, cur_c);
}
/* erase the old spot */
if (old_l) mvaddch(old_l, old_c, current_char);
standout();
mvaddch(cur_l, cur_c, '#');
standend();
old_l = cur_l, old_c = cur_c;
refresh();
return 0;
}
/* ----------------------------------------------------------------- */
/* ----------------------------------------------------------------- */
static int help(int notused)
{
fprintf(stderr, "\t * osc2cursor %s\n", __DATE__" *");
puts("\t-p\tlistening UDP port ("LOCAL_PORT")");
puts("\t-v\tincrease verbosity");
puts("\t-E\terasing button number (0)");
puts("\t-C\tdrawing character (NA)");
return -1;
}
/* ----------------------------------------------------------------- */
int main(int argc, char *argv[])
{
int foo;
lo_server_thread st;
char *local_port = LOCAL_PORT;
int opt;
char ligne[81];
/* parsing command line options */
while ((opt = getopt(argc, argv, "hp:vE:C:")) != -1) {
switch (opt) {
case 'h': if (help(0)) exit(1); break;
case 'p': local_port = optarg; break;
case 'v': verbosity++; break;
case 'E': erase_button = atoi(optarg);
break;
case 'C': current_char = *optarg; break;
default: exit(1);
}
}
fprintf(stderr, "erase %d\n", erase_button);
st = lo_server_thread_new(local_port, error);
foo = initcurses();
sprintf(ligne, ":%s ", local_port);
foo = draw_main_screen(ligne, 0);
if (verbosity) fprintf(stderr, "dms %d\n", foo);
lo_server_thread_add_method(st, "/joystick/xy", "ii", xy_handler, NULL);
lo_server_thread_add_method(st, "/joystick/b", "ii", button_handler, NULL);
lo_server_thread_start(st);
for (;;) {
if (verbosity)
fprintf(stderr, "t = %ld\n", time(NULL));
sleep(100);
}
return 0;
}
/* ----------------------------------------------------------------- */