X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=src%2Fviewer.c;h=593d9d376b17ea9e094c7d37fde540ad09c777e9;hb=a677643e62d4f4011593096ce25ca27c7d1c0be5;hp=13ff6f6466eb3f13ea871fa2e2f63e3c3cb22cfb;hpb=5f369c826ac0ca4989892b3691f66d0ac73679f3;p=smdp.git diff --git a/src/viewer.c b/src/viewer.c index 13ff6f6..593d9d3 100644 --- a/src/viewer.c +++ b/src/viewer.c @@ -21,12 +21,13 @@ * */ +#include // isalnum #include // setlocale -#include #include // strchr -#include +#include // usleep #include "viewer.h" +#include "url.h" // color ramp for fading from black to color static short white_ramp[24] = { 16, 232, 233, 234, 235, 236, @@ -234,6 +235,9 @@ int ncurses_display(deck_t *deck, int notrans, int nofade, int invert) { slide = deck->slide; while(slide) { + + url_init(); + // clear windows werase(content); werase(stdscr); @@ -266,6 +270,7 @@ int ncurses_display(deck_t *deck, int notrans, int nofade, int invert) { "%d / %d", sc, deck->slides); // make header + fooder visible + wrefresh(content); wrefresh(stdscr); line = slide->line; @@ -277,6 +282,13 @@ int ncurses_display(deck_t *deck, int notrans, int nofade, int invert) { l += (line->length / COLS) + 1; line = line->next; } + + int i, ymax; + getmaxyx( content, ymax, i ); + for (i = 0; i < url_get_amount(); i++) { + mvwprintw(content, ymax - url_get_amount() - 1 + i, 3, + "[%d] %s", i, url_get_target(i)); + } // make content visible wrefresh(content); @@ -393,6 +405,8 @@ int ncurses_display(deck_t *deck, int notrans, int nofade, int invert) { // fade out if(fade) fade_out(content, trans, colors, invert); + + url_purge(); } endwin(); @@ -559,22 +573,28 @@ void add_line(WINDOW *window, int y, int x, line_t *line, int max_cols, int colo } void inline_display(WINDOW *window, const char *c, const int colors) { - const static char *special = "\\*_`"; // list of interpreted chars + const static char *special = "\\*_`["; // list of interpreted chars + const char *i = c; // iterator + const char *start_link_name, *start_url; + int length_link_name, url_num; cstack_t *stack = cstack_init(); + // for each char in line - for(; *c; c++) { + for(; *i; i++) { // if char is in special char list - if(strchr(special, *c)) { + if(strchr(special, *i)) { // closing special char (or second backslash) - if((stack->top)(stack, *c)) { + // only if not followed by :alnum: + if((stack->top)(stack, *i) && + (!isalnum((int)i[1]) || *(i + 1) == '\0' || *i == '\\')) { - switch(*c) { + switch(*i) { // print escaped backslash case '\\': - wprintw(window, "%c", *c); + wprintw(window, "%c", *i); break; // disable highlight case '*': @@ -597,33 +617,80 @@ void inline_display(WINDOW *window, const char *c, const int colors) { // treat special as regular char } else if((stack->top)(stack, '\\')) { - wprintw(window, "%c", *c); + wprintw(window, "%c", *i); // remove backslash from stack (stack->pop)(stack); // opening special char } else { - switch(*c) { - // enable highlight - case '*': - if(colors) - wattron(window, COLOR_PAIR(CP_RED)); - break; - // enable underline - case '_': - wattron(window, A_UNDERLINE); - break; - // enable inline code - case '`': - if(colors) - wattron(window, COLOR_PAIR(CP_BLACK)); - break; - // do nothing for backslashes - } - // push special char to stack - (stack->push)(stack, *c); + // emphasis or code span can start after new-line or space only + // and of cause after another emphasis markup + //TODO this condition looks ugly + if(i == c || + *(i - 1) == ' ' || + ((*(i - 1) == '_' || *(i - 1) == '*') && ((i - 1) == c || *(i - 2) == ' ')) || + *i == '\\') { + + if (*i == '[' && strchr(i, ']')) { + + if (strchr(i, ']')[1] == '(') {// url in pandoc style + i++; + // turn higlighting and underlining on + if (colors) + wattron(window, COLOR_PAIR(CP_BLUE)); + wattron(window, A_UNDERLINE); + + start_link_name = i; + + // print the content of the label + // the label is printed as is + do { + wprintw(window, "%c", *i); + i++; + } while (*i != ']'); + + length_link_name = i - 1 - start_link_name; + + i++; + i++; + + start_url = i; + + while (*i != ')') i++; + + url_num = url_add(start_link_name, length_link_name, start_url, i - start_url, 0,0); + + wprintw(window, "[%d]", url_num); + // turn highlighting and undelining off + wattroff(window, A_UNDERLINE); + wattron(window, COLOR_PAIR(CP_WHITE)); + } else wprintw(window, "["); + } else switch(*i) { + // enable highlight + case '*': + if(colors) + wattron(window, COLOR_PAIR(CP_RED)); + break; + // enable underline + case '_': + wattron(window, A_UNDERLINE); + break; + // enable inline code + case '`': + if(colors) + wattron(window, COLOR_PAIR(CP_BLACK)); + break; + // do nothing for backslashes + } + + // push special char to stack + (stack->push)(stack, *i); + + } else { + wprintw(window, "%c", *i); + } } } else { @@ -632,7 +699,7 @@ void inline_display(WINDOW *window, const char *c, const int colors) { (stack->pop)(stack); // print regular char - wprintw(window, "%c", *c); + wprintw(window, "%c", *i); } }