make alignment respect pandoc urls, #63

[smdp.git] / src / viewer.c

diff --git a/src/viewer.c b/src/viewer.c
index 574c3a0..0e2da58 100644 (file)
--- a/src/viewer.c
+++ b/src/viewer.c
@@ -94,6 +94,13 @@ int ncurses_display(deck_t *deck, int notrans, int nofade, int invert) {
         line = slide->line;
 
         while(line) {
+
+            if (line && line->text && line->text->text)
+                lc += url_count_inline(line->text->text);
+
+            if (line && line->text && line->text->text)
+                line->length -= url_len_inline(line->text->text);
+
             if(line->length > COLS) {
                 i = line->length;
                 offset = 0;
@@ -234,6 +241,9 @@ 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);
@@ -279,6 +289,13 @@ int ncurses_display(deck_t *deck, int notrans, int nofade, int invert) {
             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);
 
@@ -394,6 +411,8 @@ 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();
@@ -560,8 +579,10 @@ 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();
 
 
@@ -615,10 +636,54 @@ void inline_display(WINDOW *window, const char *c, const int colors) {
                 //TODO this condition looks ugly
                 if(i == c ||
                    *(i - 1) == ' ' ||
-                   ((i + 1 > c) && (*(i - 1) == '_' || *(i - 1) == '*') && (*(i - 2) == ' ' || (i - 1) == c)) ||
+                   ((*(i - 1) == '_' || *(i - 1) == '*') && ((i - 1) == c || *(i - 2) == ' ')) ||
                    *i == '\\') {
 
-                    switch(*i) {
+                    // url in pandoc style
+                    if ((*i == '[' && strchr(i, ']')) ||
+                        (*i == '!' && *(i + 1) == '[' && strchr(i, ']'))) {
+
+                        if (*i == '!') i++;
+
+                        if (strchr(i, ']')[1] == '(') {
+                            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 underlining off
+                            wattroff(window, A_UNDERLINE);
+                            wattron(window, COLOR_PAIR(CP_WHITE));
+
+                        } else {
+                            wprintw(window, "[");
+                        }
+
+                    } else switch(*i) {
                         // enable highlight
                         case '*':
                             if(colors)