X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=src%2Fviewer.c;h=42088a5028ff775668501e4f6937b4e75520f4ba;hb=8689da8fc361118b05e33f3d19b269e9463040d0;hp=0e2da5893e7960c8485222a2573d49562a495d91;hpb=e9663e348e5e5d36b36ec38a582df7df1fc9126b;p=smdp.git

diff --git a/src/viewer.c b/src/viewer.c
index 0e2da58..42088a5 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
@@ -93,12 +93,12 @@ 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 && line->text && line->text->text)
+            if (line->text->text)
                 lc += url_count_inline(line->text->text);
 
-            if (line && line->text && line->text->text)
+            if (line->text->text)
                 line->length -= url_len_inline(line->text->text);
 
             if(line->length > COLS) {
@@ -120,7 +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
@@ -156,7 +157,8 @@ int ncurses_display(deck_t *deck, int notrans, int nofade, int invert) {
         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");
 
-        return 1;
+        // no reload
+        return 0;
     }
 
     // disable cursor
@@ -240,6 +242,17 @@ 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();
@@ -395,10 +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;
 
@@ -415,9 +442,16 @@ int ncurses_display(deck_t *deck, int notrans, int nofade, int 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) {