#include <stdbool.h>
#include "utils_curses.h"
#include "utils_mpd.h"
#include "string.h"
#include "settings.h"
// initialize color pairs
// used in print_col
void
init_color_pairs()
{
if(has_colors()){
start_color();
use_default_colors();
init_pair(1, COLOR_RED, -1);
init_pair(2, COLOR_GREEN, -1);
init_pair(3, COLOR_YELLOW, -1);
init_pair(4, COLOR_BLUE, -1);
init_pair(5, COLOR_CYAN, -1);
init_pair(6, COLOR_MAGENTA, -1);
init_pair(8, COLOR_WHITE, -1);
}
}
// returns a WINDOW object
// called by main() on startup
WINDOW*
curses_init()
{
WINDOW *w;
if((w = initscr()) == NULL){ //initialize curses library on current screen
fprintf(stderr, "Error opening screen\n");
return NULL;
}
init_color_pairs();
return w;
}
void
print_pattern(int col, int row, int l, const int maxR, const int maxC, PATTERN pattern, int seed)
{
bool randc;
switch(pattern) {
case CURVE:
if (row > maxR-l && row < maxR-l/3) { // center of the screen
mvaddch(row, col, FULL);
} else {
mvaddch(row, col, EMPTY);
}
break;
case MOUTH:
if (row > l && row < maxR-l/3) { // center of the screen
mvaddch(row, col, EMPTY);
} else {
mvaddch(row, col, FULL);
}
break;
case MOUTH_REV:
if (row > l && row < maxR-l/3) { // center of the screen
mvaddch(row, col, FULL);
} else {
mvaddch(row, col, EMPTY);
}
break;
case LINE:
if (row > (maxR-l) && row < maxR) { // center of the screen
mvaddch(row, col, FULL);
} else {
mvaddch(row, col, EMPTY);
}
break;
case RANDOM:
srand(seed+row*row*row);
row = rand() % maxR;
if(seed > 28) {
mvaddch(row,col,FULL);
} else if (seed < 28 && seed > 24) {
mvaddch(row,col,EMPTY);
} else if (seed < 14 && seed > 10) {
mvaddch(row,col,EMPTY);
} else if (seed < 10) {
mvaddch(row,col,FULL);
} else {
mvaddch(row,col,' ');
}
default:
break;
}
}
// print a column to screen
// while doing so, perform a rotation of the color
// modify here to change color output
void
print_col(int col, int l, const int maxR, const int maxC, PATTERN pattern, int seed)
{
int row;
int color = 5;
/*for(row=maxR; row>=0; row--){*/
for (row=0; row<maxR; row++){
if (col < maxC) {
color = (color+1) % 6;
color_set(color, NULL);
print_pattern(col, row, l, maxR, maxC, pattern, seed);
}
}
}
void
print_help(const int maxR, const int maxC)
{
erase();
color_set(1, NULL);
mvprintw(0, 0, "MVC is a curses-based music visualizer");
color_set(2, NULL);
mvprintw(2, 0, "Configuration: see src/settings.h");
mvprintw(4, 0, "Keybindings:");
color_set(3, NULL);
mvprintw(5, 0, "* Quit: q");
mvprintw(6, 0, "* Change drawing mode (style): Space bar");
mvprintw(7, 0, "* Move status panel (if built with libmpdclient): up / down / left / right keys");
mvprintw(8, 0, "* Reset status panel position: r");
mvprintw(9, 0, "* Toggle status display: t");
color_set(1, NULL);
mvprintw(11, 0, "--> Press any key to continue.");
timeout(-1);
getch();
timeout(0);
}
#ifdef STATUS_CHECK
void
print_rate_info(const int rate, const int nsamples, const int maxC, int seed, int amplitude,int beat)
{
int center = (int) maxC/2-18; // adjust to screen center
int i;
srand(seed);
color_set(rand() % 7, NULL);
mvprintw(1, center, " || rate: %d - samples: %d || ", rate, nsamples);
if (nsamples != 512 && rate > 0) {
mvprintw(0, center, " --------------------------------- ", rate, nsamples);
mvprintw(2, center, " -------------[mvc]--------------- ", rate, nsamples);
} else if (rate == 0) {
mvprintw(0, center, " ----------------------------- ", rate, nsamples);
mvprintw(2+beat, center, " -----------[mvc]------------- ", rate, nsamples);
} else {
mvprintw(0, center, " -------------------------------- ", rate, nsamples);
mvprintw(2+beat, center, " ------------[mvc]--------------- ", rate, nsamples);
}
for(i=0; i<amplitude-60+beat; i++) {
mvaddch(0, center-i, '-');
mvaddch(2, center-i, '-');
mvaddch(1, center-i, '|');
mvaddch(1, center+34+i, '|');
mvaddch(0, center+34+i, '-');
mvaddch(2, center+34+i, '-');
}
}
/* prints a STATUS structure to stdout */
void
print_mpd_status(STATUS* status, const int maxC, const int row, const int moveCol)
{
SONG* song = NULL;
bool nullFlag = false;
int i,j;
if(status == NULL){
return;
}
song = status->song;
int maxlen;
int center;
int first_len;
int second_len;
int third_len;
if (song == NULL) {
return;
}
if (song->artist == NULL || song->title == NULL) {
maxlen = strlen(song->uri) + 3;
center = maxC/2 - maxlen/2;
} else {
first_len = strlen(song->artist) + strlen(song->title) + 5; // artist + title
second_len = strlen(status->state)+18; // state + elapsed
third_len = strlen(song->album) + 3; // album
maxlen = first_len;
if (second_len > maxlen){
maxlen=second_len;
}
if (third_len > maxlen) {
maxlen=third_len;
}
center = maxC/2 - (maxlen)/2;
}
center += moveCol;
srand(song->duration_sec);
color_set(rand() % 7, NULL);
for (i=0; i<maxlen+4; i++) {
for(j=0; j<3; j++) {
mvaddch(row+1+j, center-1+i, ' ');
}
}
if(song != NULL){
if(song->artist != NULL){
mvprintw(row+1, center+1, "%s - ", song->artist);
nullFlag = true;
}
if(song->title != NULL){
mvprintw(row+1, center+1+strlen(song->artist) + 3, "%s", song->title);
nullFlag = true;
}
if(song->album != NULL){
mvprintw(row+2, center+1, "%s", song->album);
}
if (nullFlag == false) {
// title, artist, album fields are missing, will print filesystem name
mvprintw (row+1, center+1, "%s", song->uri);
mvprintw (row+2, center+1, "[No metadata]");
}
if(status->state != NULL){
mvprintw(row+3, center+1, "(%s)", status->state);
}
mvprintw(row+3, center+maxlen-11, "%d:%.2d/%d:%.2d ", status->elapsedTime_min, status->elapsedTime_sec, song->duration_min, song->duration_sec);
}
for (i=0; i<maxlen+4; i++) {
mvaddch(row, center-2+i, '-');
mvaddch(row+4, center-2+i, '-');
}
mvaddch(row, center-2+i, ' ');
mvaddch(row+4, center-2+i, ' ');
mvaddch(row, center-3, ' ');
mvaddch(row+4, center-3, ' ');
for (i=0; i<3; i++){
mvaddch(row+i+1, center-3, ' ');
mvaddch(row+i+1, center-1, '|');
mvaddch(row+i+1, center-2, '|');
mvaddch(row+i+1, center+maxlen, '|');
mvaddch(row+i+1, center+1+maxlen, '|');
}
return;
}
#endif
