Added link support

[smdp.git] / src / viewer.c

diff --git a/src/viewer.c b/src/viewer.c
index b9dcbf7..593d9d3 100644 (file)
--- a/src/viewer.c
+++ b/src/viewer.c
@@ -27,6 +27,7 @@
 #include <unistd.h> // 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);
@@ -278,6 +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);
@@ -394,6 +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();
@@ -560,8 +573,10 @@ 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();
 
 
@@ -618,7 +633,41 @@ void inline_display(WINDOW *window, const char *c, const int colors) {
                    ((*(i - 1) == '_' || *(i - 1) == '*') && ((i - 1) == c || *(i - 2) == ' ')) ||
                    *i == '\\') {
 
-                    switch(*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)