Merge remote-tracking branch 'origin/patch_gus'
[elpher.git] / elpher.el
index debbddd..b4b62d8 100644 (file)
--- a/elpher.el
+++ b/elpher.el
@@ -2,9 +2,9 @@
 
 ;; Copyright (C) 2019 Tim Vaughan
 
-;; Author: Tim Vaughan <timv@ughan.xyz>
+;; Author: Tim Vaughan <plugd@thelambdalab.xyz>
 ;; Created: 11 April 2019
-;; Version: 2.7.1
+;; Version: 2.7.4
 ;; Keywords: comm gopher
 ;; Homepage: http://thelambdalab.xyz/elpher
 ;; Package-Requires: ((emacs "26"))
@@ -70,7 +70,7 @@
 ;;; Global constants
 ;;
 
-(defconst elpher-version "2.7.1"
+(defconst elpher-version "2.7.4"
   "Current version of elpher.")
 
 (defconst elpher-margin-width 6
@@ -148,6 +148,10 @@ The actual width used is the minimum of this value and the window width at
 the time when the text is rendered."
   :type '(integer))
 
+(defcustom elpher-bookmarks-file (locate-user-emacs-file "elpher-bookmarks")
+  "Specify the name of the file where elpher bookmarks will be saved."
+  :type '(file))
+
 ;; Face customizations
 
 (defgroup elpher-faces nil
@@ -208,15 +212,15 @@ the time when the text is rendered."
 
 (defface elpher-gemini-heading1
   '((t :inherit bold :height 1.8))
-  "Face used for brackets around directory margin key.")
+  "Face used for gemini heading level 1.")
 
 (defface elpher-gemini-heading2
   '((t :inherit bold :height 1.5))
-  "Face used for brackets around directory margin key.")
+  "Face used for gemini heading level 2.")
 
 (defface elpher-gemini-heading3
   '((t :inherit bold :height 1.2))
-  "Face used for brackets around directory margin key.")
+  "Face used for gemini heading level 3.")
 
 ;;; Model
 ;;
@@ -261,6 +265,7 @@ The basic attributes include: TYPE, SELECTOR, HOST and PORT.
 If the optional attribute TLS is non-nil, the address will be marked as
 requiring gopher-over-TLS."
   (cond
+   ((equal type ?i) nil)
    ((and (equal type ?h)
          (string-prefix-p "URL:" selector))
     (elpher-address-from-url (elt (split-string selector "URL:") 1)))
@@ -545,6 +550,8 @@ to ADDRESS."
              (port (elpher-address-port address))
              (host (elpher-address-host address))
              (selector-string-parts nil)
+             (bytes-received 0)
+             (hkbytes-received 0)
              (proc (open-network-stream "elpher-process"
                                         nil
                                         (if force-ipv4 (dns-query host) host)
@@ -575,7 +582,21 @@ to ADDRESS."
         (set-process-coding-system proc 'binary)
         (set-process-filter proc
                             (lambda (_proc string)
-                              (cancel-timer timer)
+                              (when timer
+                                (cancel-timer timer)
+                                (setq timer nil))
+                              (setq bytes-received (+ bytes-received (length string)))
+                              (let ((new-hkbytes-received (/ bytes-received 102400)))
+                                (when (> new-hkbytes-received hkbytes-received)
+                                  (setq hkbytes-received new-hkbytes-received)
+                                  (with-current-buffer "*elpher*"
+                                    (let ((inhibit-read-only t))
+                                      (goto-char (point-min))
+                                      (beginning-of-line 2)
+                                      (delete-region (point) (point-max))
+                                      (insert "("
+                                              (number-to-string (/ hkbytes-received 10.0))
+                                              " MB read)")))))
                               (setq selector-string-parts
                                     (cons string selector-string-parts))))
         (set-process-sentinel proc
@@ -590,7 +611,9 @@ to ADDRESS."
                                          (concat (elpher-gopher-address-selector address)
                                                  "\r\n"))))
                                      (t
-                                      (cancel-timer timer)
+                                      (when timer
+                                        (cancel-timer timer)
+                                        (setq timer nil))
                                       (funcall renderer (apply #'concat
                                                                (reverse selector-string-parts)))
                                       (elpher-restore-pos)))
@@ -610,7 +633,7 @@ once they are retrieved from the gopher server."
          (insert content)
          (elpher-restore-pos))
       (elpher-with-clean-buffer
-       (insert "LOADING... (use 'u' to cancel)"))
+       (insert "LOADING... (use 'u' to cancel)\n"))
       (condition-case the-error
           (elpher-get-selector address renderer)
         (error
@@ -676,7 +699,7 @@ If ADDRESS is not supplied or nil the record is rendered as an
                               'follow-link t
                               'help-echo (elpher-page-button-help page)))
       (pcase type
-        ((or '(gopher ?i) 'nil) ;; Information
+        ('nil ;; Information
          (elpher-insert-margin)
          (let ((propertized-display-string
                 (propertize display-string 'face 'elpher-info)))
@@ -809,7 +832,9 @@ The response is rendered using the rendering function RENDERER."
   (if (not data)
       nil
     (let* ((address (elpher-page-address elpher-current-page))
-           (selector (elpher-gopher-address-selector address)))
+           (selector (if (elpher-address-gopher-p address)
+                         (elpher-gopher-address-selector address)
+                       (elpher-address-filename address))))
       (elpher-visit-previous-page) ; Do first in case of non-local exits.
       (let* ((filename-proposal (file-name-nondirectory selector))
              (filename (read-file-name "Download complete. Save file as: "
@@ -853,6 +878,8 @@ to ADDRESS."
                (port (elpher-address-port address))
                (host (elpher-address-host address))
                (response-string-parts nil)
+               (bytes-received 0)
+               (hkbytes-received 0)
                (proc (open-network-stream "elpher-process"
                                           nil
                                           (if force-ipv4 (dns-query host) host)
@@ -873,6 +900,18 @@ to ADDRESS."
                                 (when timer
                                   (cancel-timer timer)
                                   (setq timer nil))
+                                (setq bytes-received (+ bytes-received (length string)))
+                                (let ((new-hkbytes-received (/ bytes-received 102400)))
+                                  (when (> new-hkbytes-received hkbytes-received)
+                                    (setq hkbytes-received new-hkbytes-received)
+                                    (with-current-buffer "*elpher*"
+                                      (let ((inhibit-read-only t))
+                                        (goto-char (point-min))
+                                        (beginning-of-line 2)
+                                        (delete-region (point) (point-max))
+                                        (insert "("
+                                                (number-to-string (/ hkbytes-received 10.0))
+                                                " MB read)")))))
                                 (setq response-string-parts
                                       (cons string response-string-parts))))
           (set-process-sentinel proc
@@ -898,7 +937,7 @@ to ADDRESS."
                                                  renderer)
                                         (elpher-restore-pos)))
                                     (error
-                                           (elpher-network-error address the-error))))))
+                                     (elpher-network-error address the-error))))))
       (error
        (error "Error initiating connection to server")))))
 
@@ -969,7 +1008,7 @@ that the response was malformed."
               (insert content)
               (elpher-restore-pos))
           (elpher-with-clean-buffer
-           (insert "LOADING GEMINI... (use 'u' to cancel)"))
+           (insert "LOADING GEMINI... (use 'u' to cancel)\n"))
           (setq elpher-gemini-redirect-chain nil)
           (elpher-get-gemini-response address renderer))
       (error
@@ -1008,7 +1047,7 @@ that the response was malformed."
         ((pred (string-prefix-p "image/"))
          (elpher-render-image body))
         (_other
-         (error "Unsupported MIME type %S" mime-type))))))
+         (elpher-render-download body))))))
 
 (defun elpher-gemini-get-link-url (link-line)
   "Extract the url portion of LINK-LINE, a gemini map file link line.
@@ -1137,7 +1176,7 @@ by HEADER-LINE."
          (insert content)
          (elpher-restore-pos))
       (elpher-with-clean-buffer
-       (insert "LOADING... (use 'u' to cancel)"))
+       (insert "LOADING... (use 'u' to cancel)\n"))
       (condition-case the-error
           (let* ((kill-buffer-query-functions nil)
                  (user (let ((filename (elpher-address-filename address)))
@@ -1167,7 +1206,9 @@ by HEADER-LINE."
             (set-process-coding-system proc 'binary)
             (set-process-filter proc
                                 (lambda (_proc string)
-                                  (cancel-timer timer)
+                                  (when timer
+                                    (cancel-timer timer)
+                                    (setq timer nil))
                                   (setq selector-string-parts
                                         (cons string selector-string-parts))))
             (set-process-sentinel proc
@@ -1181,7 +1222,9 @@ by HEADER-LINE."
                                              proc
                                              (concat user "\r\n"))))
                                          (t
-                                          (cancel-timer timer)
+                                          (when timer
+                                            (cancel-timer timer)
+                                            (setq timer nil))
                                           (funcall renderer (apply #'concat
                                                                    (reverse selector-string-parts)))
                                           (elpher-restore-pos)))))))
@@ -1312,7 +1355,7 @@ by HEADER-LINE."
            "- a: rename selected bookmark\n"
            "\n"
            "Bookmarks are stored in the file ")
-   (let ((filename (locate-user-emacs-file "elpher-bookmarks"))
+   (let ((filename elpher-bookmarks-file)
          (help-string "RET,mouse-1: Open bookmarks file in new buffer for editing."))
      (insert-text-button filename
                          'face 'link
@@ -1349,7 +1392,7 @@ bookmark list, while URL is the url of the entry."
 (defun elpher-save-bookmarks (bookmarks)
   "Record the bookmark list BOOKMARKS to the user's bookmark file.
 Beware that this completely replaces the existing contents of the file."
-  (with-temp-file (locate-user-emacs-file "elpher-bookmarks")
+  (with-temp-file elpher-bookmarks-file
     (erase-buffer)
     (insert "; Elpher bookmarks file\n\n"
             "; Bookmarks are stored as a list of (label URL) items.\n"
@@ -1362,7 +1405,7 @@ Beware that this completely replaces the existing contents of the file."
   (let ((bookmarks
          (with-temp-buffer
            (ignore-errors
-             (insert-file-contents (locate-user-emacs-file "elpher-bookmarks"))
+             (insert-file-contents elpher-bookmarks-file)
              (goto-char (point-min))
              (read (current-buffer))))))
     (if (and bookmarks (listp (cadar bookmarks)))
@@ -1652,6 +1695,7 @@ When run interactively HOST-OR-URL is read from the minibuffer."
   (let ((map (make-sparse-keymap)))
     (define-key map (kbd "TAB") 'elpher-next-link)
     (define-key map (kbd "<backtab>") 'elpher-prev-link)
+    (define-key map (kbd "C-M-i") 'elpher-prev-link)
     (define-key map (kbd "u") 'elpher-back)
     (define-key map [mouse-3] 'elpher-back)
     (define-key map (kbd "O") 'elpher-root-dir)