From b259d1829e8cb64968ba6814c4b02c3063d079e6 Mon Sep 17 00:00:00 2001
From: Eric Zhuo Chen <ericzhuochen@outlook.com>
Date: Mon, 15 Apr 2024 18:06:50 +0800
Subject: [PATCH] Tweak Citar and TeX

---
 modules/zy-bib.el      | 9 ++++++++-
 modules/zy-personal.el | 6 +++++-
 modules/zy-tex.el      | 9 +++++++--
 3 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/modules/zy-bib.el b/modules/zy-bib.el
index c08588d..0c5faa6 100644
--- a/modules/zy-bib.el
+++ b/modules/zy-bib.el
@@ -59,8 +59,12 @@
 (after! '(+platform citar)
   (setq citar-file-open-functions '((t . +platform/open-externally))))
 
-;; Embark integration for Citar.
+;; Load Citar early for relevant modes.
+(after! '(tex-mode org markdown-mode)
+  (require 'citar))
+
 (after! 'citar
+  ;; Embark integration for Citar.
   (citar-embark-mode 1))
 
 ;; Configure the built-in library `bibtex', which is used to edit BibTeX files
@@ -72,6 +76,9 @@
   ;; Using 5 words for title is too long. I prefer shorter keys.
   (setq bibtex-autokey-titlewords 2)
 
+  ;; Do not use more than 2 words. Short keys are prettier!
+  (setq bibtex-autokey-titlewords-stretch 0)
+
   ;; Separate everything with underscores.
   (setq bibtex-autokey-name-year-separator "_"
         bibtex-autokey-year-title-separator "_")
diff --git a/modules/zy-personal.el b/modules/zy-personal.el
index 24835ec..e7bc37b 100644
--- a/modules/zy-personal.el
+++ b/modules/zy-personal.el
@@ -62,7 +62,11 @@ Org-journal, Org-roam, and many more."
               ebib-notes-directory
               (expand-file-name "ebib/notes" path)
               ebib-file-search-dirs
-              `(,(expand-file-name "ebib/files" path))))
+              `(,(expand-file-name "ebib/files" path)))
+        ;; Citar paths (same as the Ebib ones).
+        (defvar citar-bibliography)
+        (setq citar-bibliography
+              `(,(expand-file-name "ebib/references.bib" path))))
     ;; Otherwise, warn about it when necessary.
     (when +personal-enable
       (lwarn 'zyemacs :warning "Zybox path is not valid."))))
diff --git a/modules/zy-tex.el b/modules/zy-tex.el
index 1a214df..92512f0 100644
--- a/modules/zy-tex.el
+++ b/modules/zy-tex.el
@@ -59,10 +59,15 @@
               nil LaTeX-mode-map "<localleader>"
     "a" (cons "Run All" #'TeX-command-run-all)
     "c" (cons "Run Command" #'TeX-command-master)
-    "e" (cons "Insert Env" #'LaTeX-environment)
+    "e" (cons "Ins. Env" #'LaTeX-environment)
     "f" (cons "Set Font" #'TeX-font)
     "v" (cons "View" #'TeX-view)
-    "_" (cons "Choose Master File" #'TeX-master-file-ask)))
+    "_" (cons "Choose Master File" #'TeX-master-file-ask))
+
+  ;; Use a key for inserting citations with Citar.
+  (after! '(+bib citar)
+    (keybind! nil +tex-map
+      "i" (cons "Ins. Citation" #'citar-insert-citation))))
 
 (provide 'zy-tex)