From 7a5ef7b149a2fe0b816ff05b1c4b1c2641a7dce1 Mon Sep 17 00:00:00 2001
From: Yann Herklotz <git@yannherklotz.com>
Date: Tue, 25 Apr 2023 14:09:15 +0100
Subject: Add ymh-tabs-switch-project function

---
 init.el                 | 14 ++++----------
 ymh-emacs/ymh-common.el |  3 ---
 ymh-emacs/ymh-diary.el  |  3 ---
 ymh-emacs/ymh-ebib.el   |  3 ---
 ymh-emacs/ymh-emacs.el  | 17 +++++++++++++++++
 ymh-emacs/ymh-tabs.el   | 40 ++++++++++++++++++++++++++++++++++++++++
 6 files changed, 61 insertions(+), 19 deletions(-)
 create mode 100644 ymh-emacs/ymh-emacs.el
 create mode 100644 ymh-emacs/ymh-tabs.el

diff --git a/init.el b/init.el
index 177cd5f..4f9e5de 100644
--- a/init.el
+++ b/init.el
@@ -111,8 +111,10 @@ Should be one of `:white-split', `:modified' or `:default'")
   (package-install 'use-package))
 
 ;; Load my local library of common emacs functions.
-(use-package ymh-common
-  :load-path "ymh-emacs")
+(use-package ymh-emacs
+  :load-path "ymh-emacs"
+  :config
+  (define-key ebib-index-mode-map "D" #'ymh-ebib-download-pdf-from-doi))
 
 ;; This is the main configuration block for vanilla emacs.
 (use-package emacs
@@ -270,9 +272,6 @@ Should be one of `:white-split', `:modified' or `:default'")
   :config
   (display-time-mode 1))
 
-(use-package ymh-diary
-  :load-path "ymh-emacs")
-
 (use-package whitespace
   :config
   (defun ymh/add-hook-before-save-hook ()
@@ -882,11 +881,6 @@ https://yannherklotz.com"))
                 (replace-regexp-in-string ":" "" (apply orig-func args))))
   (remove-hook 'ebib-notes-new-note-hook #'org-narrow-to-subtree))
 
-(use-package ymh-ebib
-  :load-path "ymh-emacs"
-  :config
-  (define-key ebib-index-mode-map "D" #'ymh-ebib-download-pdf-from-doi))
-
 (use-package spell-fu
   :ensure t
   :hook text-mode
diff --git a/ymh-emacs/ymh-common.el b/ymh-emacs/ymh-common.el
index 8f36973..8066f3c 100644
--- a/ymh-emacs/ymh-common.el
+++ b/ymh-emacs/ymh-common.el
@@ -1,8 +1,5 @@
 ;;; ymh-common.el --- Some common functions  -*- lexical-binding: t; -*-
 
-;; Author: Yann Herklotz <git@yannherklotz.com>
-;; Package-Requires: ((emacs "24.3"))
-
 ;;; Commentary:
 
 ;; This file contains some common code.
diff --git a/ymh-emacs/ymh-diary.el b/ymh-emacs/ymh-diary.el
index 817eedb..c026292 100644
--- a/ymh-emacs/ymh-diary.el
+++ b/ymh-emacs/ymh-diary.el
@@ -1,8 +1,5 @@
 ;;; ymh-diary.el --- Extensions to the Emacs Diary  -*- lexical-binding: t; -*-
 
-;; Author: Yann Herklotz <git@yannherklotz.com>
-;; Package-Requires: ((emacs "24.3"))
-
 ;;; Commentary:
 
 ;; This file contains extensions to the built-in Emacs Diary.  Mainly, it adds a
diff --git a/ymh-emacs/ymh-ebib.el b/ymh-emacs/ymh-ebib.el
index 8c10e3a..8da184f 100644
--- a/ymh-emacs/ymh-ebib.el
+++ b/ymh-emacs/ymh-ebib.el
@@ -1,8 +1,5 @@
 ;;; ymh-ebib.el --- Extensions to the Ebib package  -*- lexical-binding: t; -*-
 
-;; Author: Yann Herklotz <git@yannherklotz.com>
-;; Package-Requires: ((emacs "26.1") (ebib "2.0"))
-
 ;;; Commentary:
 
 ;; This file contains extensions to ebib.
diff --git a/ymh-emacs/ymh-emacs.el b/ymh-emacs/ymh-emacs.el
new file mode 100644
index 0000000..29a761d
--- /dev/null
+++ b/ymh-emacs/ymh-emacs.el
@@ -0,0 +1,17 @@
+;;; ymh-emacs.el --- Extensions to Emacs  -*- lexical-binding: t; -*-
+
+;; Author: Yann Herklotz <git@yannherklotz.com>
+;; Package-Requires: ((emacs "24.3"))
+
+;;; Commentary:
+
+;;; Code:
+
+(require 'ymh-common)
+(require 'ymh-diary)
+(require 'ymh-ebib)
+(require 'ymh-tabs)
+
+(provide 'ymh-emacs)
+
+;;; ymh-emacs.el ends here
diff --git a/ymh-emacs/ymh-tabs.el b/ymh-emacs/ymh-tabs.el
new file mode 100644
index 0000000..ea36f6e
--- /dev/null
+++ b/ymh-emacs/ymh-tabs.el
@@ -0,0 +1,40 @@
+;;; ymh-tabs.el --- Extensions to organising tabs  -*- lexical-binding: t; -*-
+
+;;; Commentary:
+
+;; Initially inspired by
+;; https://mihaiolteanu.me/emacs-workspace-management.html.
+
+;;; Code:
+
+(defun ymh-tabs--create (name)
+  "Create the NAME tab if it doesn't exist already."
+  (condition-case nil
+      (unless (equal (alist-get 'name (tab-bar--current-tab))
+                     name)
+        (tab-bar-rename-tab-by-name name name)
+        nil)
+    (error (tab-new)
+           (tab-bar-rename-tab name)
+           t)))
+
+(defun ymh-tabs--get-name-from-path (dir)
+  "Get a tab name from a project path DIR."
+  (file-name-base (directory-file-name dir)))
+
+(defun ymh-tabs-switch-project (dir)
+  "\"Switch\" to another project by running an Emacs command.
+The available commands are presented as a dispatch menu
+made from `project-switch-commands'.
+
+When called in a program, it will use the project corresponding
+to directory DIR."
+  (interactive (list (project-prompt-project-dir)))
+  (let ((proj-name (ymh-tabs--get-name-from-path dir)))
+    (if (ymh-tabs--create proj-name)
+        (project-switch-project dir)
+      (tab-bar-switch-to-tab proj-name))))
+
+(provide 'ymh-tabs)
+
+;;; ymh-tabs.el ends here
-- 
cgit