Add lsp modeline

modules/ui/modeline/+light.el

@@ -109,14 +109,22 @@ side of the modeline, and whose CDR is the right-hand side.")
                                  (if (eq idx len) "\"};" "\",\n")))))
         'xpm t :ascent 'center)))))
 
-(defun +modeline-format-icon (icon label &optional face help-echo voffset)
+(defun +modeline-format-icon (icon-set icon label &optional face help-echo voffset)
-  (propertize (concat (all-the-icons-material
+  "Build from ICON-SET the ICON with LABEL.
-                       icon
+Using optionals attributes FACE, HELP-ECHO and VOFFSET."
-                       :face face
+  (let ((icon-set-fn (pcase icon-set
-                       :height 1.1
+                       ('octicon #'all-the-icons-octicon)
-                       :v-adjust (or voffset -0.225))
+                       ('faicon #'all-the-icons-faicon)
-                      (propertize label 'face face))
+                       ('material #'all-the-icons-material)
-              'help-echo help-echo))
+                       ('alltheicon #'all-the-icons-alltheicon)
+                       ('fileicon #'all-the-icons-fileicon))))
+    (propertize (concat (funcall icon-set-fn
+                                 icon
+                                 :face face
+                                 :height 1.1
+                                 :v-adjust (or voffset -0.225))
+                        (propertize label 'face face))
+                'help-echo help-echo)))
 
 (defun set-modeline! (name &optional default)
   "Set the modeline to NAME.
@@ -410,7 +418,7 @@ Requires `anzu', also `evil-anzu' if using `evil-mode' for compatibility with
                    (let ((error (or .error 0))
                          (warning (or .warning 0))
                          (info (or .info 0)))
-                     (+modeline-format-icon "do_not_disturb_alt"
+                     (+modeline-format-icon 'material "do_not_disturb_alt"
                                             (number-to-string (+ error warning info))
                                             (cond ((> error 0)   'error)
                                                   ((> warning 0) 'warning)
@@ -420,10 +428,11 @@ Requires `anzu', also `evil-anzu' if using `evil-mode' for compatibility with
                                                     warning
                                                     info))))
                (+modeline-format-icon "check" "" 'success)))
-            (`running     (+modeline-format-icon "access_time" "*" 'mode-line-inactive "Running..."))
+            (`running     (+modeline-format-icon'material "access_time" "*" 'mode-line-inactive "Running..."))
-            (`errored     (+modeline-format-icon "sim_card_alert" "!" 'error "Errored!"))
+            (`errored     (+modeline-format-icon'material "sim_card_alert" "!" 'error "Errored!"))
-            (`interrupted (+modeline-format-icon "pause" "!" 'mode-line-inactive "Interrupted"))
+            (`interrupted (+modeline-format-icon'material "pause" "!" 'mode-line-inactive "Interrupted"))
-            (`suspicious  (+modeline-format-icon "priority_high" "!" 'error "Suspicious"))))))
+            (`suspicious  (+modeline-format-icon'material "priority_high" "!" 'error "Suspicious"))))))
+
 
 
 ;;; `+modeline-selection-info'
@@ -476,6 +485,26 @@ lines are selected, or the NxM dimensions of a block selection.")
   (add-hook 'deactivate-mark-hook #'+modeline-remove-selection-segment-h))
 
 
+;;; `+modeline-lsp'
+(progn
+  (def-modeline-var! +modeline-lsp nil
+    "Display LSP connection status icon for the current buffer."
+    :local t)
+
+  (add-hook! '(lsp-before-initialize-hook
+               lsp-after-initialize-hook
+               lsp-after-uninitialized-functions
+               lsp-before-open-hook
+               lsp-after-open-hook)
+    (defun +modeline-lsp-update (&rest _)
+      "Update lsp state."
+      (let* ((workspaces (lsp-workspaces))
+             (face (if workspaces 'success 'warning))
+             (label (if workspaces "LSP Connected" "LSP Disconnected")))
+        (setq +modeline-lsp
+              (+modeline-format-icon 'faicon "rocket" "" face label -0.0575))))))
+
+
 ;;; `+modeline-encoding'
 (def-modeline-var! +modeline-encoding
   `(:eval
@@ -508,6 +537,9 @@ lines are selected, or the NxM dimensions of a block selection.")
     +modeline-position)
   `(""
     mode-line-misc-info
+    "  "
+    +modeline-lsp
+    "  "
     +modeline-modes
     (vc-mode ("  "
               ,(all-the-icons-octicon "git-branch" :v-adjust 0.0)