+
+ // We split the pattern list into individual patterns
+
+ int nb_patterns = 1;
+
+ for(char *s = pattern_list; *s; s++) {
+ if(*s == pattern_separator) {
+ nb_patterns++;
+ }
+ }
+
+ char splitted_patterns[strlen(pattern_list) + 1];
+ char *patterns[nb_patterns];
+
+ strcpy(splitted_patterns, pattern_list);
+
+ int n = 0;
+ char *last_pattern_start = splitted_patterns;
+ for(char *s = splitted_patterns; n < nb_patterns; s++) {
+ if(*s == pattern_separator || *s == '\0') {
+ *s = '\0';
+ patterns[n++] = last_pattern_start;
+ last_pattern_start = s + 1;
+ }
+ }
+
+ // We now take care of printing the lines per se
+
+ int console_width = getmaxx(stdscr);
+ int console_height = getmaxy(stdscr);
+
+ // First, we find a visible line. In priority: The current, or the
+ // first visible after it, or the first visible before it.
+
+ int new_line;
+ if(match(lines[*current_line], nb_patterns, patterns)) {
+ new_line = *current_line;
+ } else {
+ new_line = next_visible(*current_line, nb_lines, lines, nb_patterns, patterns);
+ if(new_line < 0) {
+ new_line = previous_visible(*current_line, nb_lines, lines, nb_patterns, patterns);
+ }
+ }
+
+ // If we found a visible line and we should move, let's move
+
+ if(new_line >= 0 && motion != 0) {
+ int l = new_line;
+ if(motion > 0) {
+ // We want to go down, let's find the first visible line below
+ for(int m = 0; l >= 0 && m < motion; m++) {
+ l = next_visible(l, nb_lines, lines, nb_patterns, patterns);
+ if(l >= 0) {
+ new_line = l;
+ }
+ }
+ } else {
+ // We want to go up, let's find the first visible line above
+ for(int m = 0; l >= 0 && m < -motion; m++) {
+ l = previous_visible(l, nb_lines, lines, nb_patterns, patterns);
+ if(l >= 0) {
+ new_line = l;
+ }
+ }
+ }
+ }
+
+ if(!no_blink) {
+ clear();
+ }
+
+ use_default_colors();
+
+ addstr("\n");
+
+ int nb_printed_lines = 1;
+
+ // Here new_line is either a line number matching the patterns, or -1
+
+ if(new_line >= 0) {
+
+ int first_line = new_line, last_line = new_line, nb_match = 1;
+
+ // We find the first and last line to show, so that the total of
+ // visible lines between them (them include) is console_height - 1
+
+ while(nb_match < console_height-1 && (first_line > 0 || last_line < nb_lines - 1)) {
+
+ if(first_line > 0) {
+ first_line--;
+ while(first_line > 0 && !match(lines[first_line], nb_patterns, patterns)) {
+ first_line--;
+ }
+ if(match(lines[first_line], nb_patterns, patterns)) {
+ nb_match++;
+ }
+ }
+
+ if(last_line < nb_lines - 1) {
+ last_line++;
+ while(last_line < nb_lines - 1 && !match(lines[last_line], nb_patterns, patterns)) {
+ last_line++;
+ }
+
+ if(match(lines[last_line], nb_patterns, patterns)) {
+ nb_match++;
+ }
+ }
+ }
+
+ // Now we display them
+
+ for(int l = first_line; l <= last_line; l++) {
+ if(match(lines[l], nb_patterns, patterns)) {
+ int k = 0;
+
+ while(lines[l][k] && k < buffer_size - 2 && k < console_width - 2) {
+ buffer[k] = lines[l][k];
+ k++;
+ }
+
+ // We fill the rest of the line with blanks if either we did
+ // not clear() or if this is the highlighted line
+
+ if(no_blink || l == new_line) {
+ while(k < console_width) {
+ buffer[k++] = ' ';
+ }
+ }
+
+ buffer[k++] = '\n';
+ buffer[k++] = '\0';
+
+ // Highlight the highlighted line ...
+
+ if(l == new_line) {
+ if(with_colors) {
+ attron(COLOR_PAIR(2));
+ addnstr(buffer, console_width);
+ attroff(COLOR_PAIR(2));
+ } else {
+ attron(A_STANDOUT);
+ addnstr(buffer, console_width);
+ attroff(A_STANDOUT);
+ }
+ } else {
+ addnstr(buffer, console_width);
+ }
+
+ nb_printed_lines++;
+ }
+ }
+
+ if(motion != 0) {
+ *current_line = new_line;
+ }
+ }
+
+ *temporary_line = new_line;
+
+ if(nb_printed_lines == 1) {
+ addnstr("[no selection]\n", console_width);
+ nb_printed_lines++;
+ }
+
+ if(no_blink) { // Erase the rest of the window. That's slightly ugly.