Set up perspective.el

emacs/.emacs.d/init.org

@@ -2292,13 +2292,13 @@ A very helpful package that provides jump-to-link functionality:
 * Projectile
 #+BEGIN_SRC emacs-lisp
   (use-package projectile
+    :hook ((after-init . projectile-mode))
     :commands (projectile-mode
                projectile-find-file
                projectile-grep
                projectile-switch-project
                projectile-project-root)
     :config
-    (projectile-mode)
     (jdormit/define-prefix "p" "projectile")
     (leader-def-key "p" projectile-command-map))
 
@@ -2309,6 +2309,39 @@ A very helpful package that provides jump-to-link functionality:
        ,@body))
       #+END_SRC
 
+* Perspective
+A package that groups buffers/windows into workspaces per project:
+#+BEGIN_SRC emacs-lisp
+  (use-package perspective
+    :commands (persp-mode)
+    :hook ((after-init . persp-mode))
+    :init
+    (jdormit/define-prefix "v" "perspective")
+    :config
+    (leader-def-key "v" perspective-map)
+    (defun switch-to-previous-buffer ()
+      "Switch to previously open buffer.
+    Repeated invocations toggle between the two most recently open buffers."
+      (interactive)
+      (persp-switch-to-buffer (other-buffer (current-buffer) 1)))
+    :custom
+    (persp-sort 'access)
+    :general
+    ([remap kill-buffer] #'persp-kill-buffer*)
+    ([remap switch-to-buffer] #'persp-switch-to-buffer*)
+    ([remap counsel-switch-buffer] #'persp-counsel-switch-buffer)
+    ([remap ivy-switch-buffer] #'persp-ivy-switch-buffer))
+
+  (use-package persp-projectile
+    :after (perspective projectile)
+    :demand t
+    :config
+    (projectile-persp-bridge counsel-projectile)
+    (projectile-persp-bridge counsel-projectile-switch-project)
+    :general
+    ([remap projectile-switch-project] #'projectile-persp-switch-project))
+#+END_SRC
+
 * Mode line
 * UI
 Get rid of the janky buttons:
@@ -2398,6 +2431,17 @@ UI-related keybindings:
   (leader-def-key "ub" #'display-battery-mode)
 #+END_SRC
 
+* Window handling
+Following [[https://github.com/nex3/perspective-el#some-musings-on-emacs-window-layouts][some excellent advice]] from the author of perspective.el
+about making Emacs' window handling saner:
+#+BEGIN_SRC emacs-lisp
+  (setq display-buffer-alist
+        '((".*" (display-buffer-reuse-window display-buffer-same-window))))
+
+  (setq display-buffer-reuse-frames t)         ; reuse windows in other frames
+  (setq even-window-sizes nil)                 ; display-buffer: avoid resizing
+#+END_SRC
+
 * Centaur tabs
 [[https://github.com/ema2159/centaur-tabs][Centaur tabs]] is a package that gives Emacs buffer tabs similar to those in Atom or VS Code:
 #+BEGIN_SRC emacs-lisp
@@ -4942,7 +4986,7 @@ An alternative minibuffer completion framework:
     (leader-def-key "ia" #'swiper-all)
     (leader-def-key "ff" #'counsel-find-file)
     (leader-def-key "oc" #'counsel-org-capture)
-    (leader-def-key "bb" #'counsel-ibuffer)
+    (leader-def-key "bb" #'ivy-switch-buffer)
 
     (if (executable-find "rg")
         (leader-def-key "ig" #'counsel-rg)