[Feature] Add options: doom-modeline-buffer-state-icon and doom-modeline-buffer-modification-icon.

Close #158.

README.md

@@ -148,16 +148,24 @@ Strongly recommend to use
 ;; Please refer to https://github.com/bbatsov/projectile/issues/657.
 (setq doom-modeline-buffer-file-name-style 'truncate-upto-project)
 
-;; Whether display icons or not (if nil nothing will be showed).
+;; Whether display icons in mode-line or not.
 (setq doom-modeline-icon t)
 
 ;; Whether display the icon for major mode. It respects `doom-modeline-icon'.
 (setq doom-modeline-major-mode-icon t)
 
-;; Display color icons for `major-mode'. It respects `all-the-icons-color-icons'.
+;; Whether display color icons for `major-mode'. It respects
+;; `doom-modeline-icon' and `all-the-icons-color-icons'.
 (setq doom-modeline-major-mode-color-icon t)
 
-;; Whether display minor modes or not. Non-nil to display in mode-line.
+;; Whether display icons for buffer states. It respects `doom-modeline-icon'.
+(setq doom-modeline-buffer-state-icon t)
+
+;; Whether display buffer modification icon. It respects `doom-modeline-icon'
+;; and `doom-modeline-buffer-state-icon'.
+(setq doom-modeline-buffer-modification-icon t)
+
+;; Whether display minor modes in mode-line or not.
 (setq doom-modeline-minor-modes nil)
 
 ;; If non-nil, a word count will be added to the selection-info modeline segment.

doom-modeline-core.el

@@ -117,19 +117,22 @@ Given ~/Projects/FOSS/emacs/lisp/comint.el
   buffer-name => comint.el<2> (uniquify buffer name)")
 
 (defvar doom-modeline-icon (display-graphic-p)
-  "Whether show `all-the-icons' or not.
+  "Whether display icons in mode-line or not.")
-
-Non-nil to show the icons in mode-line.
-The icons may not be showed correctly in terminal.")
 
 (defvar doom-modeline-major-mode-icon t
-  "Whether show the icon for major mode. It respects `doom-modeline-icon'.")
+  "Whether display the icon for major mode. It respects `doom-modeline-icon'.")
 
 (defvar doom-modeline-major-mode-color-icon t
-  "Display color icons for `major-mode'. It respects `all-the-icons-color-icons'.")
+  "Whether display color icons for `major-mode'. It respects `doom-modeline-icon' and `all-the-icons-color-icons'.")
+
+(defvar doom-modeline-buffer-state-icon t
+  "Whether display icons for buffer states. It respects `doom-modeline-icon'.")
+
+(defvar doom-modeline-buffer-modification-icon t
+  "Whether display buffer modification icon. It respects `doom-modeline-icon' and `doom-modeline-buffer-state-icon'.")
 
 (defvar doom-modeline-minor-modes nil
-  "Whether display minor modes or not. Non-nil to display in mode-line.")
+  "Whether display minor modes in mode-line or not.")
 
 (defvar doom-modeline-enable-word-count nil
   "If non-nil, a word count will be added to the selection-info modeline segment.")
@@ -320,11 +323,11 @@ The icons may not be showed correctly in terminal.")
 
 (defun doom-modeline-def-modeline (name lhs &optional rhs)
   "Defines a modeline format and byte-compiles it.
-NAME is a symbol to identify it (used by `doom-modeline' for retrieval).
+  NAME is a symbol to identify it (used by `doom-modeline' for retrieval).
-LHS and RHS are lists of symbols of modeline segments defined with
+  LHS and RHS are lists of symbols of modeline segments defined with
-`doom-modeline-def-segment'.
+  `doom-modeline-def-segment'.
 
-Example:
+  Example:
   (doom-modeline-def-modeline 'minimal
     '(bar matches \" \" buffer-info)
     '(media-info major-mode))
@@ -351,14 +354,14 @@ Example:
 
 (defun doom-modeline (key)
   "Return a mode-line configuration associated with KEY (a symbol).
-Throws an error if it doesn't exist."
+  Throws an error if it doesn't exist."
   (let ((fn (intern-soft (format "doom-modeline-format--%s" key))))
     (when (functionp fn)
       `(:eval (,fn)))))
 
 (defun doom-modeline-set-modeline (key &optional default)
   "Set the modeline format. Does nothing if the modeline KEY doesn't exist.
-If DEFAULT is non-nil, set the default mode-line for all buffers."
+  If DEFAULT is non-nil, set the default mode-line for all buffers."
   (when-let ((modeline (doom-modeline key)))
     (setf (if default
               (default-value 'mode-line-format)
@@ -509,7 +512,7 @@ If DEFAULT is non-nil, set the default mode-line for all buffers."
 (defvar-local doom-modeline-project-root nil)
 (defun doom-modeline-project-root ()
   "Get the path to the root of your project.
-Return `default-directory' if no project was found."
+  Return `default-directory' if no project was found."
   (or doom-modeline-project-root
       (setq doom-modeline-project-root
             (file-local-name

doom-modeline-segments.el

@@ -231,13 +231,14 @@ buffer where knowing the current project directory is important."
   "Displays an ICON with FACE, HEIGHT and VOFFSET.
 TEXT is the alternative if it is not applicable.
 Uses `all-the-icons-material' to fetch the icon."
-  (if doom-modeline-icon
+    (if (and doom-modeline-icon
-      (when icon
+             doom-modeline-buffer-state-icon
+             icon)
       (doom-modeline-icon-material
        icon
        :face face
        :height (or height 1.1)
-         :v-adjust (or voffset -0.225)))
+       :v-adjust (or voffset -0.225))
     (when text
       (propertize text 'face face))))
 
@@ -250,7 +251,8 @@ Uses `all-the-icons-material' to fetch the icon."
                 "lock"
                 "%1*"
                 'doom-modeline-warning))
-              ((and buffer-file-name (buffer-modified-p))
+              ((and buffer-file-name (buffer-modified-p)
+                    doom-modeline-buffer-modification-icon)
                (doom-modeline-buffer-file-state-icon
                 "save"
                 "%1*"