X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=src%2Fviewer.c;h=211557edc1114d92b133a3e4fe6e42b1126381e3;hb=aa1840c42fc305339cf02b45ea3039ca50f6d6e2;hp=b9dcbf72759572fa52fd94238793fa50a9462f06;hpb=d2fc31c1f5458db55941c531d7270ae70979f864;p=smdp.git

diff --git a/src/viewer.c b/src/viewer.c
index b9dcbf7..211557e 100644
--- a/src/viewer.c
+++ b/src/viewer.c
@@ -60,7 +60,7 @@ static short red_ramp_invert[24]   = { 15, 231, 231, 224, 224, 225,
                                       206, 207, 201, 200, 199, 199,
                                       198, 198, 197, 197, 196, 196};
 
-int ncurses_display(deck_t *deck, int notrans, int nofade, int invert) {
+int ncurses_display(deck_t *deck, int notrans, int nofade, int invert, int reload, int noreload) {
 
     int c = 0;          // char
     int i = 0;          // iterate
@@ -93,7 +93,14 @@ int ncurses_display(deck_t *deck, int notrans, int nofade, int invert) {
         lc = 0;
         line = slide->line;
 
-        while(line) {
+        while(line && line->text) {
+
+            if (line->text->text)
+                lc += url_count_inline(line->text->text);
+
+            if (line->text->text)
+                line->length -= url_len_inline(line->text->text);
+
             if(line->length > COLS) {
                 i = line->length;
                 offset = 0;
@@ -113,7 +120,8 @@ int ncurses_display(deck_t *deck, int notrans, int nofade, int invert) {
                         fprintf(stderr, "Error: Terminal width (%i columns) too small. Need at least %i columns.\n", COLS, i);
                         fprintf(stderr, "You may need to shorten some lines by inserting line breaks.\n");
 
-                        return 1;
+                        // no reload
+                        return 0;
                     }
 
                     // set max_cols
@@ -147,9 +155,10 @@ int ncurses_display(deck_t *deck, int notrans, int nofade, int invert) {
 
         // print error
         fprintf(stderr, "Error: Terminal height (%i lines) too small. Need at least %i lines.\n", LINES, max_lines + bar_top + bar_bottom);
-        fprintf(stderr, "You may need to add additional horizontal rules ('***') to split your file in shorter slides.\n");
+        fprintf(stderr, "You may need to add additional horizontal rules (---) to split your file in shorter slides.\n");
 
-        return 1;
+        // no reload
+        return 0;
     }
 
     // disable cursor
@@ -233,7 +242,21 @@ int ncurses_display(deck_t *deck, int notrans, int nofade, int invert) {
         wbkgd(content, COLOR_PAIR(CP_WHITE));
 
     slide = deck->slide;
+
+    // find slide to reload
+    while(reload > 1 && reload <= deck->slides) {
+        slide = slide->next;
+        sc++;
+        reload--;
+    }
+
+    // reset reload indicator
+    reload = 0;
+
     while(slide) {
+
+        url_init();
+
         // clear windows
         werase(content);
         werase(stdscr);
@@ -279,6 +302,13 @@ 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);
 
@@ -378,10 +408,24 @@ int ncurses_display(deck_t *deck, int notrans, int nofade, int invert) {
                 }
                 break;
 
+            // reload
+            case 'r':
+                if(noreload == 0) {
+                    // reload slide N
+                    reload = sc;
+                    slide = NULL;
+                } else {
+                    // disable fading if reload is not possible
+                    fade = false;
+                }
+                break;
+
             // quit
             case 'q':
                 // do not fade out on exit
                 fade = false;
+                // do not reload
+                reload = 0;
                 slide = NULL;
                 break;
 
@@ -394,11 +438,20 @@ int ncurses_display(deck_t *deck, int notrans, int nofade, int invert) {
         // fade out
         if(fade)
             fade_out(content, trans, colors, invert);
+
+        url_purge();
     }
 
+    // disable ncurses
     endwin();
 
-    return 0;
+    // free ncurses memory
+    delwin(content);
+    if(reload == 0)
+        delwin(stdscr);
+
+    // return reload indicator (0 means no reload)
+    return reload;
 }
 
 void add_line(WINDOW *window, int y, int x, line_t *line, int max_cols, int colors) {
@@ -560,8 +613,10 @@ 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 +673,51 @@ void inline_display(WINDOW *window, const char *c, const int colors) {
                    ((*(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)