From 41b565c2d39411e25b46ec8f8eb09205eb830a0c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= <john@ankarstrom.se>
Date: Wed, 31 Aug 2022 01:45:07 +0200
Subject: eb.el: Improve eb-dired.

---
 eb.el | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 52 insertions(+), 10 deletions(-)

(limited to 'eb.el')

diff --git a/eb.el b/eb.el
index c79c369..20699b7 100644
--- a/eb.el
+++ b/eb.el
@@ -6,6 +6,7 @@
 
 (require 'cl-lib)
 
+;;;###autoload
 (defgroup eb nil
   "Episode Browser development package."
   :prefix "eb-")
@@ -19,22 +20,45 @@
 ;;           (char-from-name name t))
 ;; 	fallback)))
 
+;; Truncate dired headers minor mode.
+
+(defvar eb--truncate-dired-headers--keywords
+  (list
+   '("^. \\(.*/\\)\\(.+\\)\\(:\\)\n"
+     (1 (list 'face dired-header-face 'invisible 'eb--truncate-dired-headers--invisible))
+     (2 (list 'face dired-header-face)))))
+
+(font-lock-add-keywords 'dired-mode eb--truncate-dired-headers--keywords)
+;; (font-lock-remove-keywords 'dired-mode eb--truncate-dired-headers--keywords)
+
+;;;###autoload
+(define-minor-mode eb--dired-truncate-headers-mode
+  "Show only last path component in `dired' header lines."
+  :lighter ""
+  (if eb--dired-truncate-headers-mode
+      (add-to-invisibility-spec 'eb--truncate-dired-headers--invisible)
+    (remove-from-invisibility-spec 'eb--truncate-dired-headers--invisible)))
+
+;; Fleeting minor mode.
+
 ;;;###autoload
 (define-minor-mode eb--fleeting-minor-mode
   "Minor mode for transient buffer selection pop-up windows."
   :lighter "")
 
-(defmacro eb--fleeting-window (dir buffer &rest body)
-  (declare (indent defun))
+(defmacro eb--fleeting-window (dir buffer &optional open close)
+  (declare (indent 2))
   `(progn
      (let ((buffer ,buffer)
 	   (cwd default-directory))
        (if (equal buffer (window-buffer))
 	   (progn
+	     ,close
 	     (eb--fleeting-minor-mode -1)
 	     (quit-window)
 	     nil)
 	 (when eb--fleeting-minor-mode
+	   ,close
 	   (eb--fleeting-minor-mode -1)
 	   (quit-window))
 	 (display-buffer-in-direction buffer '((direction . ,dir)))
@@ -42,7 +66,7 @@
 	   (select-window window)
 	   (with-current-buffer buffer
 	     (setq default-directory cwd)
-	     ,@body
+	     ,open
 	     (eb--fleeting-minor-mode)
 	     (setq eb--fleeting--direction ',dir))
 	   (run-with-idle-timer 0 nil (lambda (window) (fit-window-to-buffer window)) window)
@@ -97,6 +121,8 @@
 (add-hook 'window-configuration-change-hook #'eb--fleeting--window-hook)
 (add-hook 'window-selection-change-functions #'eb--fleeting--window-hook)
 
+;; Development tool bar functions.
+
 ;;;###autoload
 (defun eb-quit-or-bury ()
   "Quit window or bury buffer."
@@ -141,11 +167,13 @@
   (require 'bookmark)
   (bookmark-maybe-load-default-file)
   (eb--fleeting-window up (get-buffer-create bookmark-bmenu-buffer)
-    (bookmark-bmenu-mode)
-    (bookmark-bmenu--revert)
-    (bookmark-bmenu-list)))
+    (progn (bookmark-bmenu-mode)
+	   (bookmark-bmenu--revert)
+	   (bookmark-bmenu-list))))
 
-(defvar eb--dired-width nil)
+(defvar eb--dired-truncate-lines--orig nil)
+(defvar eb--dired-hide-details-mode--orig nil)
+(defvar eb--dired-truncate-headers-mode--orig nil)
 
 ;;;###autoload
 (defun eb-dired (&optional arg dir)
@@ -158,9 +186,20 @@
     (if arg
 	(switch-to-buffer buffer)
       (eb--fleeting-window right buffer
-	(toggle-truncate-lines 1)
-	(message "")
-	(revert-buffer)))))
+	(progn
+	  (setq eb--dired-truncate-lines--orig truncate-lines)
+	  (setq eb--dired-hide-details-mode--orig dired-hide-details-mode)
+	  (setq eb--dired-truncate-headers-mode--orig eb--dired-truncate-headers-mode)
+	  (toggle-truncate-lines 1)
+	  (dired-hide-details-mode 1)
+	  (eb--dired-truncate-headers-mode 1)
+	  (message "")
+	  (revert-buffer))
+	(progn
+	  (when (not eb--dired-truncate-lines--orig) (toggle-truncate-lines -1))
+	  (when (not eb--dired-hide-details-mode--orig) (dired-hide-details-mode -1))
+	  (when (not eb--dired-truncate-headers-mode--orig) (eb--dired-truncate-headers-mode -1))
+	  (message "close"))))))
 
 ;;;###autoload
 (defun eb-dired-here (&optional arg)
@@ -177,16 +216,19 @@
       (call-interactively #'projectile-grep)
     (call-interactively #'grep)))
 
+;;;###autoload
 (defcustom eb-system "vs2019"
   "Build system."
   :group 'eb
   :type '(radio (const "mingw") (const "vs2019")))
 
+;;;###autoload
 (defcustom eb-config "Debug"
   "Build configuration type."
   :group 'eb
   :type '(radio (const "Debug") (const "Release")))
 
+;;;###autoload
 (defcustom eb-cwd "b"
   "Working directory for executable."
   :group 'eb
-- 
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