erp

src/poc/ncwidth.c

@@ -86,7 +86,6 @@ int main(int argc, char **argv){
     // throw up a background color for invisible glyphs
     uint64_t chan = NCCHANNELS_INITIALIZER(0xff, 0xff, 0xff, 0, 0x80, 0);
     int expy, expx;
-    int misses = 0;
     int scrolls = 0;
     while(**argv){
       int sbytes;
@@ -96,28 +95,23 @@ int main(int argc, char **argv){
       }
       fflush(stdout);
       ncdirect_cursor_yx(n, &newy, &newx);
-      if(newy != y){
+      if(newy != y + scrolls){
         newx += ncdirect_dim_x(n) * (newy - y);
       }
-      ncdirect_cursor_push(n);
       if(x + cols != newx){
-        ++misses;
-        for(i = 0 ; i < misses ; ++i){
+        ++scrolls;
+        for(int k = 0 ; k < scrolls ; ++k){
           putchar('\v');
         }
-        printf("True width: %d wcwidth: %d [%.*s]", newx - x, cols, sbytes, *argv);
+        int r = printf("True width: %d wcwidth: %d [%.*s]", newx - x, cols, sbytes, *argv);
         ncdirect_cursor_yx(n, &expy, &expx);
-        scrolls = (newy + misses) - expy;
-        if(scrolls > 1){
-          ncdirect_cursor_up(n, scrolls - 1);
-        }
+        ncdirect_cursor_up(n, scrolls);
       }
-      ncdirect_cursor_pop(n);
       *argv += sbytes;
-      y = newy - (scrolls - 1);
+      y = newy - scrolls;
       x = newx;
     }
-    for(i = 0 ; i < misses + 1 ; ++i){
+    for(i = 0 ; i < scrolls + 1 ; ++i){
       putchar('\n');
     }
     ncdirect_set_fg_default(n);