From 272d586e06847bc0a3a1a435782724a0814d13d1 Mon Sep 17 00:00:00 2001
From: Jonathan van der Steege <jonathan@jonakeys.nl>
Date: Sun, 12 Jun 2022 15:10:40 +0200
Subject: [PATCH] Add linewrap option 'auto'

---
 docs/reference-config-file.md |  3 ++-
 jrnl/Entry.py                 | 19 +++++++++++++++++--
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/docs/reference-config-file.md b/docs/reference-config-file.md
index 97ec290c..e03add1d 100644
--- a/docs/reference-config-file.md
+++ b/docs/reference-config-file.md
@@ -96,7 +96,8 @@ If `true`, tags will be highlighted in cyan.
 
 ### linewrap
 Controls the width of the output. Set to `false` if you don't want to
-wrap long lines.
+wrap long lines. Set to `auto` to let `jrnl` automatically determine
+the terminal width.
 
 ### colors
 A dictionary that controls the colors used to display journal entries.
diff --git a/jrnl/Entry.py b/jrnl/Entry.py
index 800345c6..9ed9b734 100644
--- a/jrnl/Entry.py
+++ b/jrnl/Entry.py
@@ -7,6 +7,9 @@ import re
 
 import ansiwrap
 
+import os
+import logging
+
 from .color import colorize
 from .color import highlight_tags_with_background_color
 
@@ -105,6 +108,18 @@ class Entry:
         )
 
         if not short and self.journal.config["linewrap"]:
+            columns = self.journal.config["linewrap"]
+
+            if columns == "auto":
+                try:
+                    columns = os.get_terminal_size()[0]
+                except:  # noqa: E722
+                    logging.debug(
+                        "Can't determine terminal size automatically 'linewrap': '%s'",
+                        self.journal.config["linewrap"],
+                    )
+                    columns = 79
+
             # Color date / title and bold title
             title = ansiwrap.fill(
                 date_str
@@ -115,7 +130,7 @@ class Entry:
                     self.journal.config["colors"]["title"],
                     is_title=True,
                 ),
-                self.journal.config["linewrap"],
+                columns,
             )
             body = highlight_tags_with_background_color(
                 self, self.body.rstrip(" \n"), self.journal.config["colors"]["body"]
@@ -124,7 +139,7 @@ class Entry:
                 colorize(
                     ansiwrap.fill(
                         line,
-                        self.journal.config["linewrap"],
+                        columns,
                         initial_indent=indent,
                         subsequent_indent=indent,
                         drop_whitespace=True,