From b112608c8da31a05c37e4500de55caea09b1c7cc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mogens=20Br=C3=B8dsgaard=20Lund?= <salza@salza.dk>
Date: Sun, 6 Jun 2021 16:18:44 +0200
Subject: [PATCH] Display shorter paths to avoid lines breaking

---
 src/liq/editor.cljc                    | 12 +++++++++---
 src/liq/modes/buffer_chooser_mode.cljc | 14 ++++++++------
 src/liq/util.cljc                      | 18 ++++++++++++++++++
 3 files changed, 35 insertions(+), 9 deletions(-)

diff --git a/src/liq/editor.cljc b/src/liq/editor.cljc
index c2b4dfe..194a0da 100644
--- a/src/liq/editor.cljc
+++ b/src/liq/editor.cljc
@@ -216,17 +216,23 @@
   ([nameid]
    (when (@state ::output-handler)
      (apply-to-buffer nameid buffer/update-tow)
-     (let [buf (get-buffer nameid)]
+     (let [buf (get-buffer nameid)
+           cols (((-> @state ::output-handler :dimensions)) :cols) 
+           namepart (util/shorten-path (or (buf ::buffer/filename) (buf ::buffer/name)) (max 10 (- cols 36)))
+           spaces (format (str "%-" (max 1 (- cols (count namepart) 36)) "s") "")
+           pct (int (/ (* 100.0 (-> buf ::buffer/cursor ::buffer/row)) (-> buf ::buffer/lines count)))]
        (apply-to-buffer "*status-line*"
          #(-> %
               buffer/clear
               (buffer/insert-string
-                (str (or (buf ::buffer/filename) (buf ::buffer/name)) "  "
+                (str namepart ; (or (buf ::buffer/filename) (buf ::buffer/name)) "  "
                      (if (buffer/dirty? buf) " [+] " "     ")
                      (cond (= (buf ::buffer/mode) :insert) "-- INSERT --   "
                            (= (buf ::buffer/mode) :visual) "-- VISUAL --   "
                            true "               ")
-                     (-> buf ::buffer/cursor ::buffer/row) "," (-> buf ::buffer/cursor ::buffer/col)))
+                     spaces
+                     (-> buf ::buffer/cursor ::buffer/row) "," (-> buf ::buffer/cursor ::buffer/col)
+                     "  " pct "%"))
               buffer/beginning-of-buffer
               buffer/update-tow))
        ;((@state ::output-handler) (get-buffer "*status-line*"))
diff --git a/src/liq/modes/buffer_chooser_mode.cljc b/src/liq/modes/buffer_chooser_mode.cljc
index 8f0f866..9890531 100644
--- a/src/liq/modes/buffer_chooser_mode.cljc
+++ b/src/liq/modes/buffer_chooser_mode.cljc
@@ -7,12 +7,14 @@
 
 (defn load-content
   [buf]
-  (-> buf
-      buffer/clear
-      (buffer/insert-string (str/join "\n"
-                              (map #(str (% ::buffer/name) (if (buffer/dirty? %) " [+]" "    "))
-                                   (rest (editor/all-buffers)))))
-      buffer/beginning-of-buffer))
+  (let [cols (((-> @editor/state ::editor/output-handler :dimensions)) :cols)]
+    (-> buf
+        buffer/clear
+        (buffer/insert-string (str/join "\n"
+                                (map #(str (util/shorten-path (% ::buffer/name) (max 10 (- cols 8)))
+                                           (if (buffer/dirty? %) " [+]" "    "))
+                                     (rest (editor/all-buffers)))))
+        buffer/beginning-of-buffer)))
 
 (defn run
   []
diff --git a/src/liq/util.cljc b/src/liq/util.cljc
index 9112d8e..7bb6bc8 100644
--- a/src/liq/util.cljc
+++ b/src/liq/util.cljc
@@ -200,3 +200,21 @@
      (str/join "\n" filtered) "\n"
      (str/join "\n" stacklines))))
 
+(defn shorten-path
+  "Display shorter version of path"
+  [path width]
+  (if (<= (count path) width)
+    path
+    (let [slashes (count (re-seq #"[/\\]" path))
+          p1 (loop [n 0]
+               (let [p (str/replace-first
+                         path
+                         (re-pattern (str "(?<=[^/\\\\][/\\\\])([^/\\\\]*[/\\\\]){" n "}[^/\\\\]*"))
+                         "...")]
+                 (if (or (<= (count p) width) (>= n (- slashes 3)))
+                   p 
+                   (recur (inc n)))))
+          p2 (str/replace-first path #".*(?=[/\\])" "...")]
+      (if (<= (count p1) width)
+        p1
+        p2))))