494 lines
21 KiB
EmacsLisp
494 lines
21 KiB
EmacsLisp
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;;; lsp-headerline.el --- LSP headerline features -*- lexical-binding: t; -*-
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;;
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;; Copyright (C) 2020 emacs-lsp maintainers
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;;
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <https://www.gnu.org/licenses/>.
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;;
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;;; Commentary:
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;;
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;; LSP headerline features
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;;
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;;; Code:
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(require 'lsp-icons)
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(require 'lsp-mode)
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(defgroup lsp-headerline nil
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"LSP support for headerline"
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:prefix "lsp-headerline-"
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:group 'lsp-mode
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:tag "LSP Headerline")
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(defcustom lsp-headerline-breadcrumb-segments '(path-up-to-project file symbols)
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"Segments used in breadcrumb text on headerline."
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:type '(repeat
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(choice (const :tag "Include the project name." project)
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(const :tag "Include the open file name." file)
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(const :tag "Include the directories up to project." path-up-to-project)
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(const :tag "Include document symbols if server supports it." symbols)))
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:group 'lsp-headerline)
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(defcustom lsp-headerline-breadcrumb-enable-symbol-numbers nil
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"Whether to label symbols with numbers on the breadcrumb."
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:type 'boolean
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:group 'lsp-headerline)
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(defcustom lsp-headerline-breadcrumb-enable-diagnostics t
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"If non-nil, apply different face on the breadcrumb based on the errors."
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:type 'boolean
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:group 'lsp-headerline
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:package-version '(lsp-mode . "8.0.0"))
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(defface lsp-headerline-breadcrumb-separator-face '((t :inherit shadow :height 0.8))
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"Face used for breadcrumb separator on headerline."
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:group 'lsp-headerline)
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(defface lsp-headerline-breadcrumb-path-face '((t :inherit font-lock-string-face))
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"Face used for breadcrumb paths on headerline."
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:group 'lsp-headerline)
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(defface lsp-headerline-breadcrumb-path-error-face
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'((t :underline (:style wave :color "Red1")
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:inherit lsp-headerline-breadcrumb-path-face))
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"Face used for breadcrumb paths on headerline when there is an error under
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that path"
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:group 'lsp-headerline)
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(defface lsp-headerline-breadcrumb-path-warning-face
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'((t :underline (:style wave :color "Yellow")
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:inherit lsp-headerline-breadcrumb-path-face))
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"Face used for breadcrumb paths on headerline when there is an warning under
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that path"
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:group 'lsp-headerline)
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(defface lsp-headerline-breadcrumb-path-info-face
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'((t :underline (:style wave :color "Green")
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:inherit lsp-headerline-breadcrumb-path-face))
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"Face used for breadcrumb paths on headerline when there is an info under
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that path"
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:group 'lsp-headerline)
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(defface lsp-headerline-breadcrumb-path-hint-face
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'((t :underline (:style wave :color "Green")
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:inherit lsp-headerline-breadcrumb-path-face))
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"Face used for breadcrumb paths on headerline when there is an hint under that
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path"
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:group 'lsp-headerline)
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(defface lsp-headerline-breadcrumb-project-prefix-face
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'((t :inherit font-lock-string-face :weight bold))
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"Face used for breadcrumb prefix on headerline.
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Only if `lsp-headerline-breadcrumb-prefix` is `project-name-only`."
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:group 'lsp-headerline)
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(defface lsp-headerline-breadcrumb-unknown-project-prefix-face
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'((t :inherit shadow :weight bold))
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"Face used for breadcrumb prefix on headerline.
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Only if `lsp-headerline-breadcrumb-prefix` is `project-name-only`."
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:group 'lsp-headerline)
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(defface lsp-headerline-breadcrumb-symbols-face
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'((t :inherit font-lock-doc-face :weight bold))
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"Face used for breadcrumb symbols text on headerline."
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:group 'lsp-headerline)
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(defface lsp-headerline-breadcrumb-symbols-error-face
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'((t :inherit lsp-headerline-breadcrumb-symbols-face
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:underline (:style wave :color "Red1")))
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"Face used for breadcrumb symbols text on headerline when there
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is an error in symbols range."
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:group 'lsp-headerline)
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(defface lsp-headerline-breadcrumb-symbols-warning-face
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'((t :inherit lsp-headerline-breadcrumb-symbols-face
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:underline (:style wave :color "Yellow")))
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"Face used for breadcrumb symbols text on headerline when there
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is an warning in symbols range."
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:group 'lsp-headerline)
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(defface lsp-headerline-breadcrumb-symbols-info-face
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'((t :inherit lsp-headerline-breadcrumb-symbols-face
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:underline (:style wave :color "Green")))
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"Face used for breadcrumb symbols text on headerline when there
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is an info in symbols range."
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:group 'lsp-headerline)
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(defface lsp-headerline-breadcrumb-symbols-hint-face
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'((t :inherit lsp-headerline-breadcrumb-symbols-face
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:underline (:style wave :color "Green")))
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"Face used for breadcrumb symbols text on headerline when there
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is an hints in symbols range."
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:group 'lsp-headerline)
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(defface lsp-headerline-breadcrumb-deprecated-face
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'((t :inherit lsp-headerline-breadcrumb-symbols-face
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:strike-through t))
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"Face used on breadcrumb deprecated text on modeline."
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:group 'lsp-headerline)
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(defvar lsp-headerline-arrow nil
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"Holds the current breadcrumb string on headerline.")
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(defvar-local lsp-headerline--path-up-to-project-segments nil
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"Holds the current breadcrumb path-up-to-project segments for
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caching purposes.")
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(defvar-local lsp-headerline--cached-workspace-root nil
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"Holds the current value of lsp-workspace-root for caching purposes")
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;; Redefine local vars of `all-the-icons' to avoid bytecode compilation errors.
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(defvar all-the-icons-default-adjust)
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(defvar all-the-icons-scale-factor)
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(defun lsp-headerline--arrow-icon ()
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"Build the arrow icon for headerline breadcrumb."
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(or
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lsp-headerline-arrow
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(setq lsp-headerline-arrow (let ((all-the-icons-scale-factor 1.0)
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(all-the-icons-default-adjust 0))
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(lsp-icons-all-the-icons-material-icon
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"chevron_right"
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'lsp-headerline-breadcrumb-separator-face
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">"
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'headerline-breadcrumb)))))
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(lsp-defun lsp-headerline--symbol-icon ((&DocumentSymbol :kind))
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"Build the SYMBOL icon for headerline breadcrumb."
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(concat (lsp-icons-get-by-symbol-kind kind 'headerline-breadcrumb)
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" "))
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(lsp-defun lsp-headerline--go-to-symbol ((&DocumentSymbol
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:selection-range (&RangeToPoint :start selection-start)
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:range (&RangeToPoint :start narrowing-start
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:end narrowing-end)))
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"Go to breadcrumb symbol.
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If the buffer is narrowed and the target symbol lies before the
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minimum reachable point in the narrowed buffer, then widen and
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narrow to the outer symbol."
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(when (buffer-narrowed-p)
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(narrow-to-region
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(min (point-min) narrowing-start)
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(max (point-max) narrowing-end)))
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(goto-char selection-start))
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(lsp-defun lsp-headerline--narrow-to-symbol ((&DocumentSymbol :range (&RangeToPoint :start :end)))
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"Narrow to breadcrumb symbol range."
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(narrow-to-region start end))
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(defun lsp-headerline--with-action (local-map help-echo-string display-string)
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"Assign LOCAL-MAP and HELP-ECHO-STRING to the region around the
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DISPLAY-STRING."
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(propertize display-string
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'mouse-face 'header-line-highlight
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'help-echo help-echo-string
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'local-map local-map))
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(defmacro lsp-headerline--make-mouse-handler (&rest body)
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"Making mouse event handler.
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Switch to current mouse interacting window before doing BODY."
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(declare (debug t) (indent 0))
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`(lambda (event)
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(interactive "e")
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(select-window (posn-window (elt event 1)))
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,@body))
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(defun lsp-headerline--directory-with-action (full-path directory-display-string)
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"Build action for FULL-PATH and DIRECTORY-DISPLAY-STRING."
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(lsp-headerline--with-action (let ((map (make-sparse-keymap)))
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(define-key map [header-line mouse-1]
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(lsp-headerline--make-mouse-handler
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(dired full-path)))
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(define-key map [header-line mouse-2]
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(lsp-headerline--make-mouse-handler
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(dired-other-window full-path)))
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map)
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(format "mouse-1: browse '%s' with Dired\nmouse-2: browse '%s' with Dired in other window"
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directory-display-string
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directory-display-string)
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(propertize directory-display-string
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'lsp-full-path full-path)))
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(declare-function evil-set-jump "ext:evil-jumps")
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(lsp-defun lsp-headerline--symbol-with-action ((symbol &as &DocumentSymbol :name) symbol-display-string)
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"Build action for SYMBOL and SYMBOL-STRING."
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(lsp-headerline--with-action (let ((map (make-sparse-keymap)))
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(define-key map [header-line mouse-1]
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(lsp-headerline--make-mouse-handler
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(when (bound-and-true-p evil-mode)
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(evil-set-jump))
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(lsp-headerline--go-to-symbol symbol)))
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(define-key map [header-line mouse-2]
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(lsp-headerline--make-mouse-handler
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(-let (((&DocumentSymbol :range (&RangeToPoint :start :end)) symbol))
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(if (and (eq (point-min) start) (eq (point-max) end))
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(widen)
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(lsp-headerline--narrow-to-symbol symbol)))))
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map)
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(format "mouse-1: go to '%s' symbol\nmouse-2: %s"
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name
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(-let (((&DocumentSymbol :range (&RangeToPoint :start :end)) symbol))
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(if (and (eq (point-min) start) (eq (point-max) end))
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"widen"
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(format "narrow to '%s' range" name))))
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symbol-display-string))
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(defun lsp-headerline--path-up-to-project-root (root-path path)
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"Find recursively the folders until the project ROOT-PATH.
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PATH is the current folder to be checked."
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(let ((current-path path)
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headerline-path-components)
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(while (not (lsp-f-same? root-path current-path))
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(push (lsp-headerline--directory-with-action current-path
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(f-filename current-path))
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headerline-path-components)
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(setq current-path (lsp-f-parent current-path)))
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headerline-path-components))
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(defun lsp-headerline--build-project-string ()
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"Build the project-segment string for the breadcrumb."
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(-if-let (root (lsp-headerline--workspace-root))
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(propertize (lsp-headerline--directory-with-action
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root
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(f-filename root))
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'font-lock-face
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'lsp-headerline-breadcrumb-project-prefix-face)
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(propertize "<unknown>"
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'font-lock-face
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'lsp-headerline-breadcrumb-unknown-project-prefix-face)))
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(defun lsp-headerline--build-file-string ()
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"Build the file-segment string for the breadcrumb."
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(let* ((file-path (or (buffer-file-name) ""))
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(filename (f-filename file-path)))
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(if-let ((file-ext (f-ext file-path)))
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(concat (lsp-icons-get-by-file-ext file-ext 'headerline-breadcrumb)
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" "
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(propertize filename
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'font-lock-face
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(lsp-headerline--face-for-path file-path)))
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filename)))
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(defun lsp-headerline--face-for-path (dir)
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"Calculate the face for DIR."
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(if-let ((diags (lsp-diagnostics-stats-for (directory-file-name dir))))
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(cl-labels ((check-severity
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(severity)
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(not (zerop (aref diags severity)))))
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(cond
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((not lsp-headerline-breadcrumb-enable-diagnostics)
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'lsp-headerline-breadcrumb-path-face)
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((check-severity lsp/diagnostic-severity-error)
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'lsp-headerline-breadcrumb-path-error-face)
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((check-severity lsp/diagnostic-severity-warning)
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'lsp-headerline-breadcrumb-path-warning-face)
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((check-severity lsp/diagnostic-severity-information)
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'lsp-headerline-breadcrumb-path-info-face)
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((check-severity lsp/diagnostic-severity-hint)
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'lsp-headerline-breadcrumb-path-hint-face)
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(t 'lsp-headerline-breadcrumb-path-face)))
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'lsp-headerline-breadcrumb-path-face))
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(defun lsp-headerline--severity-level-for-range (range)
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"Get the severity level for RANGE."
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(let ((range-severity 10))
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(mapc (-lambda ((&Diagnostic :range (&Range :start) :severity?))
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(when (lsp-point-in-range? start range)
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(setq range-severity (min range-severity severity?))))
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(lsp--get-buffer-diagnostics))
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range-severity))
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(defun lsp-headerline--build-path-up-to-project-string ()
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"Build the path-up-to-project segment for the breadcrumb."
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(if-let ((root (lsp-headerline--workspace-root)))
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(let ((segments (or
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lsp-headerline--path-up-to-project-segments
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(setq lsp-headerline--path-up-to-project-segments
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(lsp-headerline--path-up-to-project-root
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root
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(lsp-f-parent (buffer-file-name)))))))
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(mapconcat (lambda (next-dir)
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(propertize next-dir
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'font-lock-face
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(lsp-headerline--face-for-path
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(get-text-property
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0 'lsp-full-path next-dir))))
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segments
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(concat " " (lsp-headerline--arrow-icon) " ")))
|
||
|
|
""))
|
||
|
|
|
||
|
|
(lsp-defun lsp-headerline--face-for-symbol ((&DocumentSymbol :deprecated?
|
||
|
|
:range))
|
||
|
|
"Get the face for SYMBOL."
|
||
|
|
(let ((range-severity (lsp-headerline--severity-level-for-range range)))
|
||
|
|
(cond
|
||
|
|
(deprecated? 'lsp-headerline-breadcrumb-deprecated-face)
|
||
|
|
((not lsp-headerline-breadcrumb-enable-diagnostics)
|
||
|
|
'lsp-headerline-breadcrumb-symbols-face)
|
||
|
|
((= range-severity lsp/diagnostic-severity-error)
|
||
|
|
'lsp-headerline-breadcrumb-symbols-error-face)
|
||
|
|
((= range-severity lsp/diagnostic-severity-warning)
|
||
|
|
'lsp-headerline-breadcrumb-symbols-warning-face)
|
||
|
|
((= range-severity lsp/diagnostic-severity-information)
|
||
|
|
'lsp-headerline-breadcrumb-symbols-info-face)
|
||
|
|
((= range-severity lsp/diagnostic-severity-hint)
|
||
|
|
'lsp-headerline-breadcrumb-symbols-hint-face)
|
||
|
|
(t 'lsp-headerline-breadcrumb-symbols-face))))
|
||
|
|
|
||
|
|
(defun lsp-headerline--build-symbol-string ()
|
||
|
|
"Build the symbol segment for the breadcrumb."
|
||
|
|
(if (lsp-feature? "textDocument/documentSymbol")
|
||
|
|
(-if-let* ((lsp--document-symbols-request-async t)
|
||
|
|
(symbols (lsp--get-document-symbols))
|
||
|
|
(symbols-hierarchy (lsp--symbols->document-symbols-hierarchy symbols))
|
||
|
|
(enumerated-symbols-hierarchy
|
||
|
|
(-map-indexed (lambda (index elt)
|
||
|
|
(cons elt (1+ index)))
|
||
|
|
symbols-hierarchy)))
|
||
|
|
(mapconcat
|
||
|
|
(-lambda (((symbol &as &DocumentSymbol :name)
|
||
|
|
. index))
|
||
|
|
(let* ((symbol2-name
|
||
|
|
(propertize name
|
||
|
|
'font-lock-face
|
||
|
|
(lsp-headerline--face-for-symbol symbol)))
|
||
|
|
(symbol2-icon (lsp-headerline--symbol-icon symbol))
|
||
|
|
(full-symbol-2
|
||
|
|
(concat
|
||
|
|
(if lsp-headerline-breadcrumb-enable-symbol-numbers
|
||
|
|
(concat
|
||
|
|
(propertize (number-to-string index)
|
||
|
|
'face
|
||
|
|
'lsp-headerline-breadcrumb-symbols-face)
|
||
|
|
" ")
|
||
|
|
"")
|
||
|
|
(if symbol2-icon
|
||
|
|
(concat symbol2-icon symbol2-name)
|
||
|
|
symbol2-name))))
|
||
|
|
(lsp-headerline--symbol-with-action symbol full-symbol-2)))
|
||
|
|
enumerated-symbols-hierarchy
|
||
|
|
(concat " " (lsp-headerline--arrow-icon) " "))
|
||
|
|
"")
|
||
|
|
""))
|
||
|
|
|
||
|
|
(defun lsp-headerline--build-string ()
|
||
|
|
"Build the header-line string."
|
||
|
|
(string-trim-right
|
||
|
|
(mapconcat
|
||
|
|
(lambda (segment)
|
||
|
|
(let ((segment-string
|
||
|
|
(pcase segment
|
||
|
|
('project (lsp-headerline--build-project-string))
|
||
|
|
('file (lsp-headerline--build-file-string))
|
||
|
|
('path-up-to-project (lsp-headerline--build-path-up-to-project-string))
|
||
|
|
('symbols (lsp-headerline--build-symbol-string))
|
||
|
|
(_ (lsp-log "'%s' is not a valid entry for `lsp-headerline-breadcrumb-segments'"
|
||
|
|
(symbol-name segment))
|
||
|
|
""))))
|
||
|
|
(if (eq segment-string "")
|
||
|
|
""
|
||
|
|
(concat (lsp-headerline--arrow-icon)
|
||
|
|
" "
|
||
|
|
segment-string
|
||
|
|
" "))))
|
||
|
|
lsp-headerline-breadcrumb-segments
|
||
|
|
"")))
|
||
|
|
|
||
|
|
(defun lsp-headerline--check-breadcrumb (&rest _)
|
||
|
|
"Request for document symbols to build the breadcrumb."
|
||
|
|
(set-window-parameter (selected-window) 'lsp-headerline--string (lsp-headerline--build-string))
|
||
|
|
(force-mode-line-update))
|
||
|
|
|
||
|
|
(defun lsp-headerline--enable-breadcrumb ()
|
||
|
|
"Enable headerline breadcrumb mode."
|
||
|
|
(when (and lsp-headerline-breadcrumb-enable
|
||
|
|
(lsp-feature? "textDocument/documentSymbol"))
|
||
|
|
(lsp-headerline-breadcrumb-mode 1)))
|
||
|
|
|
||
|
|
(defun lsp-headerline--disable-breadcrumb ()
|
||
|
|
"Disable headerline breadcrumb mode."
|
||
|
|
(lsp-headerline-breadcrumb-mode -1))
|
||
|
|
|
||
|
|
(defun lsp-headerline--workspace-root ()
|
||
|
|
(or lsp-headerline--cached-workspace-root
|
||
|
|
(setq lsp-headerline--cached-workspace-root (lsp-workspace-root))))
|
||
|
|
|
||
|
|
;;;###autoload
|
||
|
|
(define-minor-mode lsp-headerline-breadcrumb-mode
|
||
|
|
"Toggle breadcrumb on headerline."
|
||
|
|
:group 'lsp-headerline
|
||
|
|
:global nil
|
||
|
|
(cond
|
||
|
|
(lsp-headerline-breadcrumb-mode
|
||
|
|
;; make sure header-line-format, if non-nil, is a list. as
|
||
|
|
;; mode-line-format says: "The value may be nil, a string, a
|
||
|
|
;; symbol or a list."
|
||
|
|
(unless (listp header-line-format)
|
||
|
|
(setq header-line-format (list header-line-format)))
|
||
|
|
(add-to-list 'header-line-format '(t (:eval (window-parameter nil 'lsp-headerline--string) )))
|
||
|
|
|
||
|
|
(add-hook 'xref-after-jump-hook #'lsp-headerline--check-breadcrumb nil t)
|
||
|
|
|
||
|
|
(add-hook 'lsp-on-idle-hook #'lsp-headerline--check-breadcrumb nil t)
|
||
|
|
(add-hook 'lsp-configure-hook #'lsp-headerline--enable-breadcrumb nil t)
|
||
|
|
(add-hook 'lsp-unconfigure-hook #'lsp-headerline--disable-breadcrumb nil t))
|
||
|
|
(t
|
||
|
|
(remove-hook 'lsp-on-idle-hook #'lsp-headerline--check-breadcrumb t)
|
||
|
|
(remove-hook 'lsp-configure-hook #'lsp-headerline--enable-breadcrumb t)
|
||
|
|
(remove-hook 'lsp-unconfigure-hook #'lsp-headerline--disable-breadcrumb t)
|
||
|
|
|
||
|
|
(remove-hook 'xref-after-jump-hook #'lsp-headerline--check-breadcrumb t)
|
||
|
|
|
||
|
|
(setq lsp-headerline--path-up-to-project-segments nil)
|
||
|
|
(setq header-line-format (remove '(t (:eval (window-parameter nil 'lsp-headerline--string) )) header-line-format)))))
|
||
|
|
|
||
|
|
;;;###autoload
|
||
|
|
(defun lsp-breadcrumb-go-to-symbol (symbol-position)
|
||
|
|
"Go to the symbol on breadcrumb at SYMBOL-POSITION."
|
||
|
|
(interactive "P")
|
||
|
|
(if (numberp symbol-position)
|
||
|
|
(if (lsp-feature? "textDocument/documentSymbol")
|
||
|
|
(-if-let* ((lsp--document-symbols-request-async t)
|
||
|
|
(symbols (lsp--get-document-symbols))
|
||
|
|
(symbols-hierarchy (lsp--symbols->document-symbols-hierarchy symbols)))
|
||
|
|
(lsp-headerline--go-to-symbol (nth (1- symbol-position) symbols-hierarchy))
|
||
|
|
(lsp--info "Symbol not found for position %s" symbol-position))
|
||
|
|
(lsp--info "Server does not support breadcrumb."))
|
||
|
|
(lsp--info "Call this function with a number representing the symbol position on breadcrumb")))
|
||
|
|
|
||
|
|
(declare-function evil-set-command-property "ext:evil-common")
|
||
|
|
|
||
|
|
(with-eval-after-load 'evil
|
||
|
|
(evil-set-command-property 'lsp-breadcrumb-go-to-symbol :jump t))
|
||
|
|
|
||
|
|
;;;###autoload
|
||
|
|
(defun lsp-breadcrumb-narrow-to-symbol (symbol-position)
|
||
|
|
"Narrow to the symbol range on breadcrumb at SYMBOL-POSITION."
|
||
|
|
(interactive "P")
|
||
|
|
(if (numberp symbol-position)
|
||
|
|
(if (lsp-feature? "textDocument/documentSymbol")
|
||
|
|
(-if-let* ((lsp--document-symbols-request-async t)
|
||
|
|
(symbols (lsp--get-document-symbols))
|
||
|
|
(symbols-hierarchy (lsp--symbols->document-symbols-hierarchy symbols)))
|
||
|
|
(lsp-headerline--narrow-to-symbol (nth (1- symbol-position) symbols-hierarchy))
|
||
|
|
(lsp--info "Symbol not found for position %s" symbol-position))
|
||
|
|
(lsp--info "Server does not support breadcrumb."))
|
||
|
|
(lsp--info "Call this function with a number representing the symbol position on breadcrumb")))
|
||
|
|
|
||
|
|
(lsp-consistency-check lsp-headerline)
|
||
|
|
|
||
|
|
(provide 'lsp-headerline)
|
||
|
|
;;; lsp-headerline.el ends here
|