From 5b868fd0c94af61e62a28a80a4bd337f9cbb25b4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Fri, 24 Jul 2020 18:34:19 +0200
Subject: [PATCH] config: add 'scrollback-indicator-format' option

The value of this option must be either 'percent', or 'line', and
determines _how_ we render the scrollback indicator.
---
 config.c       | 14 ++++++++++++++
 config.h       |  1 +
 doc/foot.5.scd |  5 +++++
 3 files changed, 20 insertions(+)

diff --git a/config.c b/config.c
index e7ba74b2..332fd11a 100644
--- a/config.c
+++ b/config.c
@@ -294,6 +294,19 @@ parse_section_main(const char *key, const char *value, struct config *conf,
     else if (strcmp(key, "scrollback-indicator") == 0)
         conf->scrollback_indicator = str_to_bool(value);
 
+    else if (strcmp(key, "scrollback-indicator-format") == 0) {
+        if (strcmp(value, "percent") == 0)
+            conf->scrollback_indicator_format = SCROLLBACK_INDICATOR_PERCENT;
+        else if (strcmp(value, "line") == 0)
+            conf->scrollback_indicator_format = SCROLLBACK_INDICATOR_LINENO;
+        else {
+            LOG_ERR("%s:%d: 'scrollback-indicator-format must be one "
+                    "of 'percent' or 'line', not %s",
+                    path, lineno, value);
+            return false;
+        }
+    }
+
     else {
         LOG_ERR("%s:%u: invalid key: %s", path, lineno, key);
         return false;
@@ -922,6 +935,7 @@ config_load(struct config *conf, const char *conf_path)
         .fonts = tll_init(),
         .scrollback_lines = 1000,
         .scrollback_indicator = true,
+        .scrollback_indicator_format = SCROLLBACK_INDICATOR_PERCENT,
 
         .colors = {
             .fg = default_foreground,
diff --git a/config.h b/config.h
index f0f077be..109eecb8 100644
--- a/config.h
+++ b/config.h
@@ -41,6 +41,7 @@ struct config {
 
     int scrollback_lines;
     bool scrollback_indicator;
+    enum {SCROLLBACK_INDICATOR_PERCENT, SCROLLBACK_INDICATOR_LINENO} scrollback_indicator_format;
 
     struct {
         uint32_t fg;
diff --git a/doc/foot.5.scd b/doc/foot.5.scd
index 1f71a8d3..485886fa 100644
--- a/doc/foot.5.scd
+++ b/doc/foot.5.scd
@@ -72,6 +72,11 @@ in this order:
 	Boolean. Enables a position indicator when the viewport is not at
 	the bottom of the scrollback history. Default: _yes_.
 
+*scrollback-indicator-format*
+	Which format to use when displaying the scrollback position
+	indicator. Either _percent_ or _line_. This option is ignored if
+	*scrollback-indicator=no*. Default: _percent_.
+
 *workers*
 	Number of threads to use for rendering. Set to 0 to disable
 	multithreading. Default: the number of available logical CPUs