+#include "bam_tview_curses.h"
+
+
+
+
+static void curses_tv_destroy(tview_t* base)
+ {
+ curses_tview_t* tv=(curses_tview_t*)base;
+
+
+ delwin(tv->wgoto); delwin(tv->whelp);
+ endwin();
+
+ base_tv_destroy(base);
+
+ free(tv);
+ }
+
+curses_tview_t* curses_tv_init(const char *fn, const char *fn_fa, const char *samples)
+ {
+ curses_tview_t *tv = (curses_tview_t*)calloc(1, sizeof(curses_tview_t));
+ tview_t* base=(tview_t*)tv;
+ if(tv==0)
+ {
+ fprintf(stderr,"Calloc failed\n");
+ return 0;
+ }
+
+ base_tv_init(base,fn,fn_fa,samples);
+ /* initialize callbacks */
+ base->destroy=curses_tv_destroy;
+
+ initscr();
+ keypad(stdscr, TRUE);
+ clear();
+ noecho();
+ cbreak();
+
+ getmaxyx(stdscr, base->mrow, base->mcol);
+ tv->wgoto = newwin(3, TV_MAX_GOTO + 10, 10, 5);
+ tv->whelp = newwin(29, 40, 5, 5);
+
+ start_color();
+ init_pair(1, COLOR_BLUE, COLOR_BLACK);
+ init_pair(2, COLOR_GREEN, COLOR_BLACK);
+ init_pair(3, COLOR_YELLOW, COLOR_BLACK);
+ init_pair(4, COLOR_WHITE, COLOR_BLACK);
+ init_pair(5, COLOR_GREEN, COLOR_BLACK);
+ init_pair(6, COLOR_CYAN, COLOR_BLACK);
+ init_pair(7, COLOR_YELLOW, COLOR_BLACK);
+ init_pair(8, COLOR_RED, COLOR_BLACK);
+ init_pair(9, COLOR_BLUE, COLOR_BLACK);
+ return tv;
+ }
+
+
+static void tv_win_goto(curses_tview_t *tv, int *tid, int *pos)
+ {
+ char str[256], *p;
+ int i, l = 0;
+ tview_t *base=(tview_t*)tv;
+ wborder(tv->wgoto, '|', '|', '-', '-', '+', '+', '+', '+');
+ mvwprintw(tv->wgoto, 1, 2, "Goto: ");
+ for (;;) {
+ int c = wgetch(tv->wgoto);
+ wrefresh(tv->wgoto);
+ if (c == KEY_BACKSPACE || c == '\010' || c == '\177') {
+ if(l > 0) --l;
+ } else if (c == KEY_ENTER || c == '\012' || c == '\015') {
+ int _tid = -1, _beg, _end;
+ if (str[0] == '=') {
+ _beg = strtol(str+1, &p, 10) - 1;
+ if (_beg > 0) {
+ *pos = _beg;
+ return;
+ }
+ } else {
+ bam_parse_region(base->header, str, &_tid, &_beg, &_end);
+ if (_tid >= 0) {
+ *tid = _tid; *pos = _beg;
+ return;
+ }
+ }
+ } else if (isgraph(c)) {
+ if (l < TV_MAX_GOTO) str[l++] = c;
+ } else if (c == '\027') l = 0;
+ else if (c == '\033') return;
+ str[l] = '\0';
+ for (i = 0; i < TV_MAX_GOTO; ++i) mvwaddch(tv->wgoto, 1, 8 + i, ' ');
+ mvwprintw(tv->wgoto, 1, 8, "%s", str);
+ }
+}
+
+
+
+
+static void tv_win_help(curses_tview_t *tv) {
+ int r = 1;
+ tview_t* base=(tview_t*)base;
+ WINDOW *win = tv->whelp;
+ wborder(win, '|', '|', '-', '-', '+', '+', '+', '+');
+ mvwprintw(win, r++, 2, " -=- Help -=- ");
+ r++;
+ mvwprintw(win, r++, 2, "? This window");
+ mvwprintw(win, r++, 2, "Arrows Small scroll movement");
+ mvwprintw(win, r++, 2, "h,j,k,l Small scroll movement");
+ mvwprintw(win, r++, 2, "H,J,K,L Large scroll movement");
+ mvwprintw(win, r++, 2, "ctrl-H Scroll 1k left");
+ mvwprintw(win, r++, 2, "ctrl-L Scroll 1k right");
+ mvwprintw(win, r++, 2, "space Scroll one screen");
+ mvwprintw(win, r++, 2, "backspace Scroll back one screen");
+ mvwprintw(win, r++, 2, "g Go to specific location");
+ mvwprintw(win, r++, 2, "m Color for mapping qual");
+ mvwprintw(win, r++, 2, "n Color for nucleotide");
+ mvwprintw(win, r++, 2, "b Color for base quality");
+ mvwprintw(win, r++, 2, "c Color for cs color");
+ mvwprintw(win, r++, 2, "z Color for cs qual");
+ mvwprintw(win, r++, 2, ". Toggle on/off dot view");
+ mvwprintw(win, r++, 2, "s Toggle on/off ref skip");
+ mvwprintw(win, r++, 2, "r Toggle on/off rd name");
+ mvwprintw(win, r++, 2, "N Turn on nt view");
+ mvwprintw(win, r++, 2, "C Turn on cs view");
+ mvwprintw(win, r++, 2, "i Toggle on/off ins");
+ mvwprintw(win, r++, 2, "q Exit");
+ r++;
+ mvwprintw(win, r++, 2, "Underline: Secondary or orphan");
+ mvwprintw(win, r++, 2, "Blue: 0-9 Green: 10-19");
+ mvwprintw(win, r++, 2, "Yellow: 20-29 White: >=30");
+ wrefresh(win);
+ wgetch(win);
+}
+
+void tv_loop(curses_tview_t *CTV)
+{
+ int tid, pos;
+ tview_t* tv=(tview_t*)CTV;
+ tid = tv->curr_tid; pos = tv->left_pos;
+ while (1) {
+ int c = getch();
+ switch (c) {
+ case '?': tv_win_help(CTV); break;
+ case '\033':
+ case 'q': goto end_loop;
+ case '/':
+ case 'g': tv_win_goto(CTV, &tid, &pos); break;
+ case 'm': tv->color_for = TV_COLOR_MAPQ; break;
+ case 'b': tv->color_for = TV_COLOR_BASEQ; break;
+ case 'n': tv->color_for = TV_COLOR_NUCL; break;
+ case 'c': tv->color_for = TV_COLOR_COL; break;
+ case 'z': tv->color_for = TV_COLOR_COLQ; break;
+ case 's': tv->no_skip = !tv->no_skip; break;
+ case 'r': tv->show_name = !tv->show_name; break;
+ case KEY_LEFT:
+ case 'h': --pos; break;
+ case KEY_RIGHT:
+ case 'l': ++pos; break;
+ case KEY_SLEFT:
+ case 'H': pos -= 20; break;
+ case KEY_SRIGHT:
+ case 'L': pos += 20; break;
+ case '.': tv->is_dot = !tv->is_dot; break;
+ case 'N': tv->base_for = TV_BASE_NUCL; break;
+ case 'C': tv->base_for = TV_BASE_COLOR_SPACE; break;
+ case 'i': tv->ins = !tv->ins; break;
+ case '\010': pos -= 1000; break;
+ case '\014': pos += 1000; break;
+ case ' ': pos += tv->mcol; break;
+ case KEY_UP:
+ case 'j': --tv->row_shift; break;
+ case KEY_DOWN:
+ case 'k': ++tv->row_shift; break;
+ case KEY_BACKSPACE:
+ case '\177': pos -= tv->mcol; break;
+ case KEY_RESIZE: getmaxyx(stdscr, tv->mrow, tv->mcol); break;
+ default: continue;
+ }
+ if (pos < 0) pos = 0;
+ if (tv->row_shift < 0) tv->row_shift = 0;
+ tv_draw_aln(tv, tid, pos);
+ }
+end_loop:
+ return;
+}
+
+void error(const char *format, ...)
+{
+ if ( !format )
+ {
+ fprintf(stderr, "\n");
+ fprintf(stderr, "Usage: bamtk tview [options] <aln.bam> [ref.fasta]\n");
+ fprintf(stderr, "Options:\n");
+ fprintf(stderr, " -p chr:pos go directly to this position\n");
+ fprintf(stderr, " -s STR display only reads from this sample or grou\n");
+ fprintf(stderr, "\n\n");
+ }
+ else
+ {
+ va_list ap;
+ va_start(ap, format);
+ vfprintf(stderr, format, ap);
+ va_end(ap);
+ }
+ exit(-1);
+}
+
+
+int bam_tview_main(int argc, char *argv[])
+{
+ curses_tview_t *CTV;
+ tview_t* tv=NULL;
+ char *samples=NULL, *position=NULL;
+ int c;
+ while ((c = getopt(argc, argv, "s:p:")) >= 0) {
+ switch (c) {
+ case 's': samples=optarg; break;
+ case 'p': position=optarg; break;
+ default: error(NULL);
+ }
+ }
+ if (argc==optind) error(NULL);
+ CTV = curses_tv_init(argv[optind], (optind+1>=argc)? 0 : argv[optind+1], samples);
+ tv=(tview_t*)CTV;
+ if ( position )
+ {
+ int _tid = -1, _beg, _end;
+ bam_parse_region(tv->header, position, &_tid, &_beg, &_end);
+ if (_tid >= 0) { tv->curr_tid = _tid; tv->left_pos = _beg; }
+ }
+ tv_draw_aln(tv, tv->curr_tid, tv->left_pos);
+ tv_loop(CTV);
+ tv->destroy(tv);
+ free(tv);
+ return 0;
+}