Added a scrollbar.

2 files changed, 14 insertions, 1 deletions

diff --git a/bb.c b/bb.c
index d8d3c13..c525913 100644
--- a/bb.c
+++ b/bb.c
@@ -907,6 +907,17 @@ void render(bb_t *bb)
         fputs(" \033[K\033[0m", tty_out); // Reset color and attributes
     }
 
+    // Scrollbar:
+    if (bb->nfiles > ONSCREEN) {
+        int height = (ONSCREEN*ONSCREEN + (bb->nfiles-1))/bb->nfiles;
+        int start = 2 + (bb->scroll*ONSCREEN)/bb->nfiles;
+        for (int i = 2; i < 2 + ONSCREEN; i++) {
+            move_cursor(tty_out, winsize.ws_col-1, i);
+            fprintf(tty_out, "%s\033[0m",
+                (i >= start && i < start + height) ?  SCROLLBAR_FG : SCROLLBAR_BG);
+        }
+    }
+
     move_cursor(tty_out, winsize.ws_col/2, winsize.ws_row - 1);
     fputs("\033[0m\033[K", tty_out);
     int x = winsize.ws_col;
diff --git a/bb.h b/bb.h
index e133800..0d0fd85 100644
--- a/bb.h
+++ b/bb.h
@@ -25,7 +25,7 @@
 #include "bterm.h"
 
 // Macros:
-#define BB_VERSION "0.20.5"
+#define BB_VERSION "0.21.0"
 
 #ifndef PATH_MAX
 #define PATH_MAX 4096
@@ -172,6 +172,8 @@ typedef struct proc_s {
 #define LINK_COLOR       "\033[35m"
 #define DIR_COLOR        "\033[34m"
 #define EXECUTABLE_COLOR "\033[31m"
+#define SCROLLBAR_FG "\033[48;5;247m "
+#define SCROLLBAR_BG "\033[48;5;239m "
 
 #define MAX_BINDINGS 1024