mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-18 10:16:51 +00:00
1804 lines
72 KiB
EmacsLisp
1804 lines
72 KiB
EmacsLisp
;;; newst-plainview.el --- Single buffer frontend for newsticker.
|
|
|
|
;; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009
|
|
;; Free Software Foundation, Inc.
|
|
|
|
;; Author: Ulf Jasper <ulf.jasper@web.de>
|
|
;; Filename: newst-plainview.el
|
|
;; URL: http://www.nongnu.org/newsticker
|
|
;; Time-stamp: "6. Dezember 2009, 19:17:02 (ulf)"
|
|
|
|
;; ======================================================================
|
|
|
|
;; This file is part of GNU Emacs.
|
|
|
|
;; GNU Emacs is free software: you can redistribute it and/or modify
|
|
;; it under the terms of the GNU General Public License as published by
|
|
;; the Free Software Foundation, either version 3 of the License, or
|
|
;; (at your option) any later version.
|
|
|
|
;; GNU Emacs is distributed in the hope that it will be useful,
|
|
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
;; GNU General Public License for more details.
|
|
|
|
;; You should have received a copy of the GNU General Public License
|
|
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
;; ======================================================================
|
|
;;; Commentary:
|
|
|
|
;; See newsticker.el
|
|
|
|
;; ======================================================================
|
|
;;; Code:
|
|
|
|
(require 'newst-ticker)
|
|
(require 'newst-reader)
|
|
(require 'derived)
|
|
(require 'xml)
|
|
|
|
;; Silence warnings
|
|
(defvar w3-mode-map)
|
|
(defvar w3m-minor-mode-map)
|
|
|
|
;; ======================================================================
|
|
;;; Customization
|
|
;; ======================================================================
|
|
(defgroup newsticker-plainview nil
|
|
"Settings for the simple plain view reader.
|
|
See also `newsticker-plainview-hooks'."
|
|
:group 'newsticker-reader)
|
|
|
|
|
|
(defun newsticker--set-customvar-buffer (symbol value)
|
|
"Set newsticker-variable SYMBOL value to VALUE.
|
|
Calls all actions which are necessary in order to make the new
|
|
value effective."
|
|
(if (or (not (boundp symbol))
|
|
(equal (symbol-value symbol) value))
|
|
(set symbol value)
|
|
;; something must have changed
|
|
(set symbol value)
|
|
(newsticker--buffer-set-uptodate nil)))
|
|
|
|
(defun newsticker--set-customvar-sorting (symbol value)
|
|
"Set newsticker-variable SYMBOL value to VALUE.
|
|
Calls all actions which are necessary in order to make the new
|
|
value effective."
|
|
(if (or (not (boundp symbol))
|
|
(equal (symbol-value symbol) value))
|
|
(set symbol value)
|
|
;; something must have changed
|
|
(set symbol value)
|
|
(message "Applying new sort method...")
|
|
(when (fboundp 'newsticker--cache-sort) (newsticker--cache-sort))
|
|
(when (fboundp 'newsticker--buffer-set-uptodate)
|
|
(newsticker--buffer-set-uptodate nil))
|
|
(message "Applying new sort method...done")))
|
|
|
|
(defcustom newsticker-sort-method
|
|
'sort-by-original-order
|
|
"Sort method for news items.
|
|
The following sort methods are available:
|
|
* `sort-by-original-order' keeps the order in which the items
|
|
appear in the headline file (please note that for immortal items,
|
|
which have been removed from the news feed, there is no original
|
|
order),
|
|
* `sort-by-time' looks at the time at which an item has been seen
|
|
the first time. The most recent item is put at top,
|
|
* `sort-by-title' will put the items in an alphabetical order."
|
|
:type '(choice
|
|
(const :tag "Keep original order" sort-by-original-order)
|
|
(const :tag "Sort by time" sort-by-time)
|
|
(const :tag "Sort by title" sort-by-title))
|
|
:set 'newsticker--set-customvar-sorting
|
|
:group 'newsticker-plainview)
|
|
|
|
(defcustom newsticker-heading-format
|
|
"%l
|
|
%t %d %s"
|
|
"Format string for feed headings.
|
|
The following printf-like specifiers can be used:
|
|
%d The date the feed was retrieved. See `newsticker-date-format'.
|
|
%l The logo (image) of the feed. Most news feeds provide a small
|
|
image as logo. Newsticker can display them, if Emacs can --
|
|
see `image-types' for a list of supported image types.
|
|
%L The logo (image) of the feed. If the logo is not available
|
|
the title of the feed is used.
|
|
%s The statistical data of the feed. See `newsticker-statistics-format'.
|
|
%t The title of the feed, i.e. its name."
|
|
:type 'string
|
|
:set 'newsticker--set-customvar-formatting
|
|
:group 'newsticker-plainview)
|
|
|
|
(defcustom newsticker-item-format
|
|
"%t %d"
|
|
"Format string for news item headlines.
|
|
The following printf-like specifiers can be used:
|
|
%d The date the item was (first) retrieved. See `newsticker-date-format'.
|
|
%l The logo (image) of the feed. Most news feeds provide a small
|
|
image as logo. Newsticker can display them, if Emacs can --
|
|
see `image-types' for a list of supported image types.
|
|
%L The logo (image) of the feed. If the logo is not available
|
|
the title of the feed is used.
|
|
%t The title of the item."
|
|
:type 'string
|
|
:set 'newsticker--set-customvar-formatting
|
|
:group 'newsticker-plainview)
|
|
|
|
(defcustom newsticker-desc-format
|
|
"%d %c"
|
|
"Format string for news descriptions (contents).
|
|
The following printf-like specifiers can be used:
|
|
%c The contents (description) of the item.
|
|
%d The date the item was (first) retrieved. See
|
|
`newsticker-date-format'."
|
|
:type 'string
|
|
:set 'newsticker--set-customvar-formatting
|
|
:group 'newsticker-plainview)
|
|
|
|
(defcustom newsticker-statistics-format
|
|
"[%n + %i + %o + %O = %a]"
|
|
"Format for the statistics part in feed lines.
|
|
The following printf-like specifiers can be used:
|
|
%a The number of all items in the feed.
|
|
%i The number of immortal items in the feed.
|
|
%n The number of new items in the feed.
|
|
%o The number of old items in the feed.
|
|
%O The number of obsolete items in the feed."
|
|
:type 'string
|
|
:set 'newsticker--set-customvar-formatting
|
|
:group 'newsticker-plainview)
|
|
|
|
|
|
;; ======================================================================
|
|
;; faces
|
|
|
|
(defface newsticker-new-item-face
|
|
'((((class color) (background dark))
|
|
(:family "helvetica" :bold t))
|
|
(((class color) (background light))
|
|
(:family "helvetica" :bold t)))
|
|
"Face for new news items."
|
|
:group 'newsticker-faces)
|
|
|
|
(defface newsticker-old-item-face
|
|
'((((class color) (background dark))
|
|
(:family "helvetica" :bold t :foreground "orange3"))
|
|
(((class color) (background light))
|
|
(:family "helvetica" :bold t :foreground "red4")))
|
|
"Face for old news items."
|
|
:group 'newsticker-faces)
|
|
|
|
(defface newsticker-immortal-item-face
|
|
'((((class color) (background dark))
|
|
(:family "helvetica" :bold t :italic t :foreground "orange"))
|
|
(((class color) (background light))
|
|
(:family "helvetica" :bold t :italic t :foreground "blue")))
|
|
"Face for immortal news items."
|
|
:group 'newsticker-faces)
|
|
|
|
(defface newsticker-obsolete-item-face
|
|
'((((class color) (background dark))
|
|
(:family "helvetica" :bold t :strike-through t))
|
|
(((class color) (background light))
|
|
(:family "helvetica" :bold t :strike-through t)))
|
|
"Face for old news items."
|
|
:group 'newsticker-faces)
|
|
|
|
(defface newsticker-date-face
|
|
'((((class color) (background dark))
|
|
(:family "helvetica" :italic t :height 0.8))
|
|
(((class color) (background light))
|
|
(:family "helvetica" :italic t :height 0.8)))
|
|
"Face for newsticker dates."
|
|
:group 'newsticker-faces)
|
|
|
|
(defface newsticker-statistics-face
|
|
'((((class color) (background dark))
|
|
(:family "helvetica" :italic t :height 0.8))
|
|
(((class color) (background light))
|
|
(:family "helvetica" :italic t :height 0.8)))
|
|
"Face for newsticker dates."
|
|
:group 'newsticker-faces)
|
|
|
|
(defface newsticker-default-face
|
|
'((((class color) (background dark))
|
|
(:inherit default))
|
|
(((class color) (background light))
|
|
(:inherit default)))
|
|
"Face for the description of news items."
|
|
;;:set 'newsticker--set-customvar
|
|
:group 'newsticker-faces)
|
|
|
|
(defcustom newsticker-hide-old-items-in-newsticker-buffer
|
|
nil
|
|
"Decides whether to automatically hide old items in the *newsticker* buffer.
|
|
If set to t old items will be completely folded and only new
|
|
items will show up in the *newsticker* buffer. Otherwise old as
|
|
well as new items will be visible."
|
|
:type 'boolean
|
|
:set 'newsticker--set-customvar-buffer
|
|
:group 'newsticker-plainview)
|
|
|
|
(defcustom newsticker-show-descriptions-of-new-items
|
|
t
|
|
"Whether to automatically show descriptions of new items in *newsticker*.
|
|
If set to t old items will be folded and new items will be
|
|
unfolded. Otherwise old as well as new items will be folded."
|
|
:type 'boolean
|
|
:set 'newsticker--set-customvar-buffer
|
|
:group 'newsticker-plainview)
|
|
|
|
(defcustom newsticker-show-all-news-elements
|
|
nil
|
|
"Show all news elements."
|
|
:type 'boolean
|
|
;;:set 'newsticker--set-customvar
|
|
:group 'newsticker-plainview)
|
|
|
|
;; ======================================================================
|
|
;; hooks
|
|
(defgroup newsticker-plainview-hooks nil
|
|
"Settings for newsticker hooks which apply to plainview only."
|
|
:group 'newsticker-hooks)
|
|
|
|
(defcustom newsticker-select-item-hook
|
|
'newsticker--buffer-make-item-completely-visible
|
|
"List of functions run after a headline has been selected.
|
|
Each function is called after one of `newsticker-next-item',
|
|
`newsticker-next-new-item', `newsticker-previous-item',
|
|
`newsticker-previous-new-item' has been called.
|
|
|
|
The default value 'newsticker--buffer-make-item-completely-visible
|
|
assures that the current item is always completely visible."
|
|
:type 'hook
|
|
:options '(newsticker--buffer-make-item-completely-visible)
|
|
:group 'newsticker-plainview-hooks)
|
|
|
|
(defcustom newsticker-select-feed-hook
|
|
'newsticker--buffer-make-item-completely-visible
|
|
"List of functions run after a feed has been selected.
|
|
Each function is called after one of `newsticker-next-feed', and
|
|
`newsticker-previous-feed' has been called.
|
|
|
|
The default value 'newsticker--buffer-make-item-completely-visible
|
|
assures that the current feed is completely visible."
|
|
:type 'hook
|
|
:options '(newsticker--buffer-make-item-completely-visible)
|
|
:group 'newsticker-plainview-hooks)
|
|
|
|
(defcustom newsticker-buffer-change-hook
|
|
'newsticker-w3m-show-inline-images
|
|
"List of functions run after the newsticker buffer has been updated.
|
|
Each function is called after `newsticker-buffer-update' has been called.
|
|
|
|
The default value '`newsticker-w3m-show-inline-images' loads inline
|
|
images."
|
|
:type 'hook
|
|
:group 'newsticker-plainview-hooks)
|
|
|
|
(defcustom newsticker-narrow-hook
|
|
'newsticker-w3m-show-inline-images
|
|
"List of functions run after narrowing in newsticker buffer has changed.
|
|
Each function is called after
|
|
`newsticker-toggle-auto-narrow-to-feed' or
|
|
`newsticker-toggle-auto-narrow-to-item' has been called.
|
|
|
|
The default value '`newsticker-w3m-show-inline-images' loads inline
|
|
images."
|
|
:type 'hook
|
|
:group 'newsticker-plainview-hooks)
|
|
|
|
;; ======================================================================
|
|
;;; Toolbar
|
|
;; ======================================================================
|
|
|
|
(defvar newsticker--plainview-tool-bar-map
|
|
(if (featurep 'xemacs)
|
|
nil
|
|
(if (boundp 'tool-bar-map)
|
|
(let ((tool-bar-map (make-sparse-keymap)))
|
|
(define-key tool-bar-map [newsticker-sep-1]
|
|
(list 'menu-item "--double-line"))
|
|
(define-key tool-bar-map [newsticker-browse-url]
|
|
(list 'menu-item "newsticker-browse-url" 'newsticker-browse-url
|
|
:visible t
|
|
:help "Browse URL for item at point"
|
|
:image newsticker--browse-image))
|
|
(define-key tool-bar-map [newsticker-buffer-force-update]
|
|
(list 'menu-item "newsticker-buffer-force-update"
|
|
'newsticker-buffer-force-update
|
|
:visible t
|
|
:help "Update newsticker buffer"
|
|
:image newsticker--update-image
|
|
:enable '(not newsticker--buffer-uptodate-p)))
|
|
(define-key tool-bar-map [newsticker-get-all-news]
|
|
(list 'menu-item "newsticker-get-all-news" 'newsticker-get-all-news
|
|
:visible t
|
|
:help "Get news for all feeds"
|
|
:image newsticker--get-all-image))
|
|
(define-key tool-bar-map [newsticker-mark-item-at-point-as-read]
|
|
(list 'menu-item "newsticker-mark-item-at-point-as-read"
|
|
'newsticker-mark-item-at-point-as-read
|
|
:visible t
|
|
:image newsticker--mark-read-image
|
|
:help "Mark current item as read"
|
|
:enable '(newsticker-item-not-old-p)))
|
|
(define-key tool-bar-map [newsticker-mark-item-at-point-as-immortal]
|
|
(list 'menu-item "newsticker-mark-item-at-point-as-immortal"
|
|
'newsticker-mark-item-at-point-as-immortal
|
|
:visible t
|
|
:image newsticker--mark-immortal-image
|
|
:help "Mark current item as immortal"
|
|
:enable '(newsticker-item-not-immortal-p)))
|
|
(define-key tool-bar-map [newsticker-toggle-auto-narrow-to-feed]
|
|
(list 'menu-item "newsticker-toggle-auto-narrow-to-feed"
|
|
'newsticker-toggle-auto-narrow-to-feed
|
|
:visible t
|
|
:help "Toggle visibility of other feeds"
|
|
:image newsticker--narrow-image))
|
|
(define-key tool-bar-map [newsticker-next-feed]
|
|
(list 'menu-item "newsticker-next-feed" 'newsticker-next-feed
|
|
:visible t
|
|
:help "Go to next feed"
|
|
:image newsticker--next-feed-image
|
|
:enable '(newsticker-next-feed-available-p)))
|
|
(define-key tool-bar-map [newsticker-next-item]
|
|
(list 'menu-item "newsticker-next-item" 'newsticker-next-item
|
|
:visible t
|
|
:help "Go to next item"
|
|
:image newsticker--next-item-image
|
|
:enable '(newsticker-next-item-available-p)))
|
|
(define-key tool-bar-map [newsticker-previous-item]
|
|
(list 'menu-item "newsticker-previous-item" 'newsticker-previous-item
|
|
:visible t
|
|
:help "Go to previous item"
|
|
:image newsticker--previous-item-image
|
|
:enable '(newsticker-previous-item-available-p)))
|
|
(define-key tool-bar-map [newsticker-previous-feed]
|
|
(list 'menu-item "newsticker-previous-feed" 'newsticker-previous-feed
|
|
:visible t
|
|
:help "Go to previous feed"
|
|
:image newsticker--previous-feed-image
|
|
:enable '(newsticker-previous-feed-available-p)))
|
|
;; standard icons / actions
|
|
(tool-bar-add-item "close"
|
|
'newsticker-close-buffer
|
|
'newsticker-close-buffer
|
|
:help "Close newsticker buffer")
|
|
(tool-bar-add-item "preferences"
|
|
'newsticker-customize
|
|
'newsticker-customize
|
|
:help "Customize newsticker")
|
|
tool-bar-map))))
|
|
|
|
;; ======================================================================
|
|
;;; Newsticker mode
|
|
;; ======================================================================
|
|
|
|
(define-derived-mode newsticker-mode fundamental-mode
|
|
"NewsTicker"
|
|
"Viewing news feeds in Emacs."
|
|
(if (boundp 'tool-bar-map)
|
|
(set (make-local-variable 'tool-bar-map)
|
|
newsticker--plainview-tool-bar-map))
|
|
(set (make-local-variable 'imenu-sort-function) nil)
|
|
(set (make-local-variable 'scroll-conservatively) 999)
|
|
(setq imenu-create-index-function 'newsticker--imenu-create-index)
|
|
(setq imenu-default-goto-function 'newsticker--imenu-goto)
|
|
(setq buffer-read-only t)
|
|
(auto-fill-mode -1) ;; turn auto-fill off!
|
|
(font-lock-mode -1) ;; turn off font-lock!!
|
|
(set (make-local-variable 'font-lock-defaults) nil)
|
|
(set (make-local-variable 'line-move-ignore-invisible) t)
|
|
(setq mode-line-format
|
|
(list "-"
|
|
'mode-line-mule-info
|
|
'mode-line-modified
|
|
'mode-line-frame-identification
|
|
" Newsticker ("
|
|
'(newsticker--buffer-uptodate-p
|
|
"up to date"
|
|
"NEED UPDATE")
|
|
") "
|
|
'(:eval (format "[%d]" (length newsticker--process-ids)))
|
|
" -- "
|
|
'(:eval (newsticker--buffer-get-feed-title-at-point))
|
|
": "
|
|
'(:eval (newsticker--buffer-get-item-title-at-point))
|
|
" %-"))
|
|
(add-to-invisibility-spec 't)
|
|
(unless newsticker-show-all-news-elements
|
|
(add-to-invisibility-spec 'extra))
|
|
(newsticker--buffer-set-uptodate nil))
|
|
|
|
;; refine its mode-map
|
|
(define-key newsticker-mode-map "sO" 'newsticker-show-old-items)
|
|
(define-key newsticker-mode-map "hO" 'newsticker-hide-old-items)
|
|
(define-key newsticker-mode-map "sa" 'newsticker-show-all-desc)
|
|
(define-key newsticker-mode-map "ha" 'newsticker-hide-all-desc)
|
|
(define-key newsticker-mode-map "sf" 'newsticker-show-feed-desc)
|
|
(define-key newsticker-mode-map "hf" 'newsticker-hide-feed-desc)
|
|
(define-key newsticker-mode-map "so" 'newsticker-show-old-item-desc)
|
|
(define-key newsticker-mode-map "ho" 'newsticker-hide-old-item-desc)
|
|
(define-key newsticker-mode-map "sn" 'newsticker-show-new-item-desc)
|
|
(define-key newsticker-mode-map "hn" 'newsticker-hide-new-item-desc)
|
|
(define-key newsticker-mode-map "se" 'newsticker-show-entry)
|
|
(define-key newsticker-mode-map "he" 'newsticker-hide-entry)
|
|
(define-key newsticker-mode-map "sx" 'newsticker-show-extra)
|
|
(define-key newsticker-mode-map "hx" 'newsticker-hide-extra)
|
|
|
|
(define-key newsticker-mode-map " " 'scroll-up)
|
|
(define-key newsticker-mode-map "q" 'newsticker-close-buffer)
|
|
(define-key newsticker-mode-map "p" 'newsticker-previous-item)
|
|
(define-key newsticker-mode-map "P" 'newsticker-previous-new-item)
|
|
(define-key newsticker-mode-map "F" 'newsticker-previous-feed)
|
|
(define-key newsticker-mode-map "\t" 'newsticker-next-item)
|
|
(define-key newsticker-mode-map "n" 'newsticker-next-item)
|
|
(define-key newsticker-mode-map "N" 'newsticker-next-new-item)
|
|
(define-key newsticker-mode-map "f" 'newsticker-next-feed)
|
|
(define-key newsticker-mode-map "M" 'newsticker-mark-all-items-as-read)
|
|
(define-key newsticker-mode-map "m"
|
|
'newsticker-mark-all-items-at-point-as-read-and-redraw)
|
|
(define-key newsticker-mode-map "o"
|
|
'newsticker-mark-item-at-point-as-read)
|
|
(define-key newsticker-mode-map "O"
|
|
'newsticker-mark-all-items-at-point-as-read)
|
|
(define-key newsticker-mode-map "G" 'newsticker-get-all-news)
|
|
(define-key newsticker-mode-map "g" 'newsticker-get-news-at-point)
|
|
(define-key newsticker-mode-map "u" 'newsticker-buffer-update)
|
|
(define-key newsticker-mode-map "U" 'newsticker-buffer-force-update)
|
|
(define-key newsticker-mode-map "a" 'newsticker-add-url)
|
|
|
|
(define-key newsticker-mode-map "i"
|
|
'newsticker-mark-item-at-point-as-immortal)
|
|
|
|
(define-key newsticker-mode-map "xf"
|
|
'newsticker-toggle-auto-narrow-to-feed)
|
|
(define-key newsticker-mode-map "xi"
|
|
'newsticker-toggle-auto-narrow-to-item)
|
|
|
|
;; maps for the clickable portions
|
|
(defvar newsticker--url-keymap (make-sparse-keymap)
|
|
"Key map for click-able headings in the newsticker buffer.")
|
|
(define-key newsticker--url-keymap [mouse-1]
|
|
'newsticker-mouse-browse-url)
|
|
(define-key newsticker--url-keymap [mouse-2]
|
|
'newsticker-mouse-browse-url)
|
|
(define-key newsticker--url-keymap "\n"
|
|
'newsticker-browse-url)
|
|
(define-key newsticker--url-keymap "\C-m"
|
|
'newsticker-browse-url)
|
|
(define-key newsticker--url-keymap [(control return)]
|
|
'newsticker-handle-url)
|
|
|
|
;; newsticker menu
|
|
(defvar newsticker-menu (make-sparse-keymap "Newsticker"))
|
|
|
|
(define-key newsticker-menu [newsticker-browse-url]
|
|
'("Browse URL for item at point" . newsticker-browse-url))
|
|
(define-key newsticker-menu [newsticker-separator-1]
|
|
'("--"))
|
|
(define-key newsticker-menu [newsticker-buffer-update]
|
|
'("Update buffer" . newsticker-buffer-update))
|
|
(define-key newsticker-menu [newsticker-separator-2]
|
|
'("--"))
|
|
(define-key newsticker-menu [newsticker-get-all-news]
|
|
'("Get news from all feeds" . newsticker-get-all-news))
|
|
(define-key newsticker-menu [newsticker-get-news-at-point]
|
|
'("Get news from feed at point" . newsticker-get-news-at-point))
|
|
(define-key newsticker-menu [newsticker-separator-3]
|
|
'("--"))
|
|
(define-key newsticker-menu [newsticker-mark-all-items-as-read]
|
|
'("Mark all items as read" . newsticker-mark-all-items-as-read))
|
|
(define-key newsticker-menu [newsticker-mark-all-items-at-point-as-read]
|
|
'("Mark all items in feed at point as read" .
|
|
newsticker-mark-all-items-at-point-as-read))
|
|
(define-key newsticker-menu [newsticker-mark-item-at-point-as-read]
|
|
'("Mark item at point as read" .
|
|
newsticker-mark-item-at-point-as-read))
|
|
(define-key newsticker-menu [newsticker-mark-item-at-point-as-immortal]
|
|
'("Toggle immortality for item at point" .
|
|
newsticker-mark-item-at-point-as-immortal))
|
|
(define-key newsticker-menu [newsticker-separator-4]
|
|
'("--"))
|
|
(define-key newsticker-menu [newsticker-toggle-auto-narrow-to-item]
|
|
'("Narrow to single item" . newsticker-toggle-auto-narrow-to-item))
|
|
(define-key newsticker-menu [newsticker-toggle-auto-narrow-to-feed]
|
|
'("Narrow to single news feed" . newsticker-toggle-auto-narrow-to-feed))
|
|
(define-key newsticker-menu [newsticker-hide-old-items]
|
|
'("Hide old items" . newsticker-hide-old-items))
|
|
(define-key newsticker-menu [newsticker-show-old-items]
|
|
'("Show old items" . newsticker-show-old-items))
|
|
(define-key newsticker-menu [newsticker-next-item]
|
|
'("Go to next item" . newsticker-next-item))
|
|
(define-key newsticker-menu [newsticker-previous-item]
|
|
'("Go to previous item" . newsticker-previous-item))
|
|
|
|
;; bind menu to mouse
|
|
(define-key newsticker-mode-map [down-mouse-3] newsticker-menu)
|
|
;; Put menu in menu-bar
|
|
(define-key newsticker-mode-map [menu-bar Newsticker]
|
|
(cons "Newsticker" newsticker-menu))
|
|
|
|
|
|
;; ======================================================================
|
|
;;; User fun
|
|
;; ======================================================================
|
|
;;;###autoload
|
|
(defun newsticker-plainview ()
|
|
"Start newsticker plainview."
|
|
(interactive)
|
|
(newsticker-buffer-update t)
|
|
(switch-to-buffer "*newsticker*"))
|
|
|
|
(defun newsticker-buffer-force-update ()
|
|
"Update the newsticker buffer, even if not necessary."
|
|
(interactive)
|
|
(newsticker-buffer-update t))
|
|
|
|
(defun newsticker-buffer-update (&optional force)
|
|
"Update the *newsticker* buffer.
|
|
Unless FORCE is t this is done only if necessary, i.e. when the
|
|
*newsticker* buffer is not up-to-date."
|
|
(interactive)
|
|
;; bring cache data into proper order....
|
|
(newsticker--cache-sort)
|
|
;; fill buffer
|
|
(save-excursion
|
|
(let ((buf (get-buffer "*newsticker*")))
|
|
(if buf
|
|
(switch-to-buffer buf)
|
|
(switch-to-buffer (get-buffer-create "*newsticker*"))
|
|
(newsticker--buffer-set-uptodate nil)))
|
|
(when (or force
|
|
(not newsticker--buffer-uptodate-p))
|
|
(message "Preparing newsticker buffer...")
|
|
(setq buffer-undo-list t)
|
|
(let ((inhibit-read-only t))
|
|
(set-buffer-modified-p nil)
|
|
(erase-buffer)
|
|
(newsticker-mode)
|
|
;; Emacs 21.3.50 does not care if we turn off auto-fill in the
|
|
;; definition of newsticker-mode, so we do it here (again)
|
|
(auto-fill-mode -1)
|
|
|
|
(set-buffer-file-coding-system 'utf-8)
|
|
|
|
(if newsticker-use-full-width
|
|
(set (make-local-variable 'fill-column) (1- (window-width))))
|
|
(newsticker--buffer-insert-all-items)
|
|
|
|
;; FIXME: needed for methods buffer in ecb
|
|
;; (set-visited-file-name "*newsticker*")
|
|
|
|
(set-buffer-modified-p nil)
|
|
(newsticker-hide-all-desc)
|
|
(if newsticker-hide-old-items-in-newsticker-buffer
|
|
(newsticker-hide-old-items))
|
|
(if newsticker-show-descriptions-of-new-items
|
|
(newsticker-show-new-item-desc))
|
|
)
|
|
(message ""))
|
|
(newsticker--buffer-set-uptodate t)
|
|
(run-hooks 'newsticker-buffer-change-hook)))
|
|
|
|
(defun newsticker-get-news-at-point ()
|
|
"Launch retrieval of news for the feed point is in.
|
|
This does NOT start the retrieval timers."
|
|
(interactive)
|
|
;; launch retrieval of news
|
|
(let ((feed (get-text-property (point) 'feed)))
|
|
(when feed
|
|
(newsticker--debug-msg "Getting news for %s" (symbol-name feed))
|
|
(newsticker-get-news (symbol-name feed)))))
|
|
|
|
(unless (fboundp 'declare-function) (defmacro declare-function (&rest r)))
|
|
(declare-function w3m-toggle-inline-image "ext:w3m" (&optional force no-cache))
|
|
|
|
(defun newsticker-w3m-show-inline-images ()
|
|
"Show inline images in visible text ranges.
|
|
In-line images in invisible text ranges are hidden. This function
|
|
calls `w3m-toggle-inline-image'. It works only if
|
|
`newsticker-html-renderer' is set to `w3m-region'."
|
|
(interactive)
|
|
(if (eq newsticker-html-renderer 'w3m-region)
|
|
(let ((inhibit-read-only t))
|
|
(save-excursion
|
|
(save-restriction
|
|
(widen)
|
|
(goto-char (point-min))
|
|
(let ((pos (point)))
|
|
(while pos
|
|
(setq pos (next-single-property-change pos 'w3m-image))
|
|
(when pos
|
|
(goto-char pos)
|
|
(when (get-text-property pos 'w3m-image)
|
|
(let ((invis (newsticker--lists-intersect-p
|
|
(get-text-property (1- (point))
|
|
'invisible)
|
|
buffer-invisibility-spec)))
|
|
(unless (car (get-text-property (1- (point))
|
|
'display))
|
|
(unless invis
|
|
(w3m-toggle-inline-image t)))))))))))))
|
|
|
|
;; ======================================================================
|
|
;;; Keymap stuff
|
|
;; ======================================================================
|
|
(defun newsticker-close-buffer ()
|
|
"Close the newsticker buffer."
|
|
(interactive)
|
|
(newsticker--cache-update t)
|
|
(bury-buffer))
|
|
|
|
(defun newsticker-next-new-item (&optional do-not-wrap-at-eob)
|
|
"Go to next new news item.
|
|
If no new item is found behind point, search is continued at
|
|
beginning of buffer unless optional argument DO-NOT-WRAP-AT-EOB
|
|
is non-nil."
|
|
(interactive)
|
|
(widen)
|
|
(let ((go-ahead t))
|
|
(while go-ahead
|
|
(unless (newsticker--buffer-goto '(item) 'new)
|
|
;; found nothing -- wrap
|
|
(unless do-not-wrap-at-eob
|
|
(goto-char (point-min))
|
|
(newsticker-next-new-item t))
|
|
(setq go-ahead nil))
|
|
(unless (newsticker--lists-intersect-p
|
|
(get-text-property (point) 'invisible)
|
|
buffer-invisibility-spec)
|
|
;; this item is invisible -- continue search
|
|
(setq go-ahead nil))))
|
|
(run-hooks 'newsticker-select-item-hook)
|
|
(point))
|
|
|
|
(defun newsticker-previous-new-item (&optional do-not-wrap-at-bob)
|
|
"Go to previous new news item.
|
|
If no new item is found before point, search is continued at
|
|
beginning of buffer unless optional argument DO-NOT-WRAP-AT-BOB
|
|
is non-nil."
|
|
(interactive)
|
|
(widen)
|
|
(let ((go-ahead t))
|
|
(while go-ahead
|
|
(unless (newsticker--buffer-goto '(item) 'new t)
|
|
(unless do-not-wrap-at-bob
|
|
(goto-char (point-max))
|
|
(newsticker--buffer-goto '(item) 'new t)))
|
|
(unless (newsticker--lists-intersect-p
|
|
(get-text-property (point) 'invisible)
|
|
buffer-invisibility-spec)
|
|
(setq go-ahead nil))))
|
|
(run-hooks 'newsticker-select-item-hook)
|
|
(point))
|
|
|
|
(defun newsticker-next-item (&optional do-not-wrap-at-eob)
|
|
"Go to next news item.
|
|
Return new buffer position.
|
|
If no item is found below point, search is continued at beginning
|
|
of buffer unless optional argument DO-NOT-WRAP-AT-EOB is
|
|
non-nil."
|
|
(interactive)
|
|
(widen)
|
|
(let ((go-ahead t)
|
|
(search-list '(item)))
|
|
(if newsticker--auto-narrow-to-item
|
|
(setq search-list '(item feed)))
|
|
(while go-ahead
|
|
(unless (newsticker--buffer-goto search-list)
|
|
;; found nothing -- wrap
|
|
(unless do-not-wrap-at-eob
|
|
(goto-char (point-min)))
|
|
(setq go-ahead nil))
|
|
(unless (newsticker--lists-intersect-p
|
|
(get-text-property (point) 'invisible)
|
|
buffer-invisibility-spec)
|
|
(setq go-ahead nil))))
|
|
(run-hooks 'newsticker-select-item-hook)
|
|
(force-mode-line-update)
|
|
(point))
|
|
|
|
(defun newsticker-next-item-same-feed ()
|
|
"Go to next news item in the same feed.
|
|
Return new buffer position. If no item is found below point or if
|
|
auto-narrow-to-item is enabled, nil is returned."
|
|
(interactive)
|
|
(if newsticker--auto-narrow-to-item
|
|
nil
|
|
(let ((go-ahead t)
|
|
(current-pos (point))
|
|
(end-of-feed (save-excursion (newsticker--buffer-end-of-feed))))
|
|
(while go-ahead
|
|
(unless (newsticker--buffer-goto '(item))
|
|
(setq go-ahead nil))
|
|
(unless (newsticker--lists-intersect-p
|
|
(get-text-property (point) 'invisible)
|
|
buffer-invisibility-spec)
|
|
(setq go-ahead nil)))
|
|
(if (and (> (point) current-pos)
|
|
(< (point) end-of-feed))
|
|
(point)
|
|
(goto-char current-pos)
|
|
nil))))
|
|
|
|
(defun newsticker-previous-item (&optional do-not-wrap-at-bob)
|
|
"Go to previous news item.
|
|
Return new buffer position.
|
|
If no item is found before point, search is continued at
|
|
beginning of buffer unless optional argument DO-NOT-WRAP-AT-BOB
|
|
is non-nil."
|
|
(interactive)
|
|
(widen)
|
|
(let ((go-ahead t)
|
|
(search-list '(item)))
|
|
(if newsticker--auto-narrow-to-item
|
|
(setq search-list '(item feed)))
|
|
(when (bobp)
|
|
(unless do-not-wrap-at-bob
|
|
(goto-char (point-max))))
|
|
(while go-ahead
|
|
(if (newsticker--buffer-goto search-list nil t)
|
|
(unless (newsticker--lists-intersect-p
|
|
(get-text-property (point) 'invisible)
|
|
buffer-invisibility-spec)
|
|
(setq go-ahead nil))
|
|
(goto-char (point-min))
|
|
(setq go-ahead nil))))
|
|
(run-hooks 'newsticker-select-item-hook)
|
|
(force-mode-line-update)
|
|
(point))
|
|
|
|
(defun newsticker-next-feed ()
|
|
"Go to next news feed.
|
|
Return new buffer position."
|
|
(interactive)
|
|
(widen)
|
|
(newsticker--buffer-goto '(feed))
|
|
(run-hooks 'newsticker-select-feed-hook)
|
|
(force-mode-line-update)
|
|
(point))
|
|
|
|
(defun newsticker-previous-feed ()
|
|
"Go to previous news feed.
|
|
Return new buffer position."
|
|
(interactive)
|
|
(widen)
|
|
(newsticker--buffer-goto '(feed) nil t)
|
|
(run-hooks 'newsticker-select-feed-hook)
|
|
(force-mode-line-update)
|
|
(point))
|
|
|
|
(defun newsticker-mark-all-items-at-point-as-read-and-redraw ()
|
|
"Mark all items as read and clear ticker contents."
|
|
(interactive)
|
|
(when (or newsticker--buffer-uptodate-p
|
|
(y-or-n-p
|
|
"Buffer is not up to date -- really mark items as read? "))
|
|
(newsticker-mark-all-items-of-feed-as-read
|
|
(get-text-property (point) 'feed))))
|
|
|
|
(defun newsticker-mark-all-items-of-feed-as-read (feed)
|
|
"Mark all items of FEED as read, clear ticker, and redraw buffer."
|
|
(when feed
|
|
(let ((pos (point)))
|
|
(message "Marking all items as read for %s" (symbol-name feed))
|
|
(newsticker--cache-replace-age newsticker--cache feed 'new 'old)
|
|
(newsticker--cache-replace-age newsticker--cache feed 'obsolete
|
|
'old)
|
|
(newsticker--cache-update)
|
|
(newsticker--buffer-set-uptodate nil)
|
|
(newsticker--ticker-text-setup)
|
|
(newsticker-buffer-update)
|
|
;; go back to where we came frome
|
|
(goto-char pos)
|
|
(end-of-line)
|
|
(newsticker--buffer-goto '(feed) nil t))))
|
|
|
|
(defun newsticker-mark-all-items-at-point-as-read ()
|
|
"Mark all items as read and clear ticker contents."
|
|
(interactive)
|
|
(when (or newsticker--buffer-uptodate-p
|
|
(y-or-n-p
|
|
"Buffer is not up to date -- really mark items as read? "))
|
|
(newsticker--do-mark-item-at-point-as-read t)
|
|
(while (newsticker-next-item-same-feed)
|
|
(newsticker--do-mark-item-at-point-as-read t))
|
|
(newsticker-next-item t)))
|
|
|
|
(defun newsticker-mark-item-at-point-as-read (&optional respect-immortality)
|
|
"Mark item at point as read and move to next item.
|
|
If optional argument RESPECT-IMMORTALITY is not nil immortal items do
|
|
not get changed."
|
|
(interactive)
|
|
(when (or newsticker--buffer-uptodate-p
|
|
(y-or-n-p
|
|
"Buffer is not up to date -- really mark this item as read? "))
|
|
(newsticker--do-mark-item-at-point-as-read respect-immortality)
|
|
;; move forward
|
|
(newsticker-next-item t)))
|
|
|
|
(defun newsticker--do-mark-item-at-point-as-read (&optional respect-immortality)
|
|
"Mark item at point as read.
|
|
If optional argument RESPECT-IMMORTALITY is not nil immortal items do
|
|
not get changed."
|
|
(let ((feed (get-text-property (point) 'feed)))
|
|
(when feed
|
|
(save-excursion
|
|
(newsticker--buffer-beginning-of-item)
|
|
(let ((inhibit-read-only t)
|
|
(age (get-text-property (point) 'nt-age))
|
|
(title (get-text-property (point) 'nt-title))
|
|
(guid (get-text-property (point) 'nt-guid))
|
|
(nt-desc (get-text-property (point) 'nt-desc))
|
|
(pos (save-excursion (newsticker--buffer-end-of-item)))
|
|
item)
|
|
(when (or (eq age 'new)
|
|
(eq age 'obsolete)
|
|
(and (eq age 'immortal)
|
|
(not respect-immortality)))
|
|
;; find item
|
|
(setq item (newsticker--cache-contains newsticker--cache
|
|
feed title nt-desc
|
|
nil nil guid))
|
|
;; mark as old
|
|
(when item
|
|
(setcar (nthcdr 4 item) 'old)
|
|
(newsticker--do-forget-preformatted item))
|
|
;; clean up ticker
|
|
(if (or (and (eq age 'new)
|
|
newsticker-hide-immortal-items-in-echo-area)
|
|
(and (memq age '(old immortal))
|
|
(not
|
|
(eq newsticker-hide-old-items-in-newsticker-buffer
|
|
newsticker-hide-immortal-items-in-echo-area))))
|
|
(newsticker--ticker-text-remove feed title))
|
|
;; set faces etc.
|
|
(save-excursion
|
|
(save-restriction
|
|
(widen)
|
|
(put-text-property (point) pos 'nt-age 'old)
|
|
(newsticker--buffer-set-faces (point) pos)))
|
|
(set-buffer-modified-p nil)))))))
|
|
|
|
(defun newsticker-mark-item-at-point-as-immortal ()
|
|
"Mark item at point as read."
|
|
(interactive)
|
|
(when (or newsticker--buffer-uptodate-p
|
|
(y-or-n-p
|
|
"Buffer is not up to date -- really mark this item as read? "))
|
|
(let ((feed (get-text-property (point) 'feed))
|
|
(item nil))
|
|
(when feed
|
|
(save-excursion
|
|
(newsticker--buffer-beginning-of-item)
|
|
(let ((inhibit-read-only t)
|
|
(oldage (get-text-property (point) 'nt-age))
|
|
(title (get-text-property (point) 'nt-title))
|
|
(guid (get-text-property (point) 'nt-guid))
|
|
(pos (save-excursion (newsticker--buffer-end-of-item))))
|
|
(let ((newage 'immortal))
|
|
(if (eq oldage 'immortal)
|
|
(setq newage 'old))
|
|
(setq item (newsticker--cache-contains newsticker--cache
|
|
feed title nil nil nil
|
|
guid))
|
|
;; change age
|
|
(when item
|
|
(setcar (nthcdr 4 item) newage)
|
|
(newsticker--do-forget-preformatted item))
|
|
(if (or (and (eq newage 'immortal)
|
|
newsticker-hide-immortal-items-in-echo-area)
|
|
(and (eq newage 'obsolete)
|
|
newsticker-hide-obsolete-items-in-echo-area)
|
|
(and (eq oldage 'immortal)
|
|
(not
|
|
(eq newsticker-hide-old-items-in-newsticker-buffer
|
|
newsticker-hide-immortal-items-in-echo-area))))
|
|
(newsticker--ticker-text-remove feed title)
|
|
(newsticker--ticker-text-setup))
|
|
(save-excursion
|
|
(save-restriction
|
|
(widen)
|
|
(put-text-property (point) pos 'nt-age newage)
|
|
(if (eq newage 'immortal)
|
|
(put-text-property (point) pos 'nt-age 'immortal)
|
|
(put-text-property (point) pos 'nt-age 'old))
|
|
(newsticker--buffer-set-faces (point) pos))))))
|
|
(if item
|
|
(newsticker-next-item t))))))
|
|
|
|
(defun newsticker-mark-all-items-as-read ()
|
|
"Mark all items as read and clear ticker contents."
|
|
(interactive)
|
|
(when (or newsticker--buffer-uptodate-p
|
|
(y-or-n-p
|
|
"Buffer is not up to date -- really mark items as read? "))
|
|
(newsticker--cache-replace-age newsticker--cache 'any 'new 'old)
|
|
(newsticker--buffer-set-uptodate nil)
|
|
(newsticker--ticker-text-setup)
|
|
(newsticker--cache-update)
|
|
(newsticker-buffer-update)))
|
|
|
|
(defun newsticker-hide-extra ()
|
|
"Hide the extra elements of items."
|
|
(interactive)
|
|
(newsticker--buffer-hideshow 'extra nil)
|
|
(newsticker--buffer-redraw))
|
|
|
|
(defun newsticker-show-extra ()
|
|
"Show the extra elements of items."
|
|
(interactive)
|
|
(newsticker--buffer-hideshow 'extra t)
|
|
(newsticker--buffer-redraw))
|
|
|
|
(defun newsticker-hide-old-item-desc ()
|
|
"Hide the description of old items."
|
|
(interactive)
|
|
(newsticker--buffer-hideshow 'desc-old nil)
|
|
(newsticker--buffer-redraw))
|
|
|
|
(defun newsticker-show-old-item-desc ()
|
|
"Show the description of old items."
|
|
(interactive)
|
|
(newsticker--buffer-hideshow 'item-old t)
|
|
(newsticker--buffer-hideshow 'desc-old t)
|
|
(newsticker--buffer-redraw))
|
|
|
|
(defun newsticker-hide-new-item-desc ()
|
|
"Hide the description of new items."
|
|
(interactive)
|
|
(newsticker--buffer-hideshow 'desc-new nil)
|
|
(newsticker--buffer-hideshow 'desc-immortal nil)
|
|
(newsticker--buffer-hideshow 'desc-obsolete nil)
|
|
(newsticker--buffer-redraw))
|
|
|
|
(defun newsticker-show-new-item-desc ()
|
|
"Show the description of new items."
|
|
(interactive)
|
|
(newsticker--buffer-hideshow 'desc-new t)
|
|
(newsticker--buffer-hideshow 'desc-immortal t)
|
|
(newsticker--buffer-hideshow 'desc-obsolete t)
|
|
(newsticker--buffer-redraw))
|
|
|
|
(defun newsticker-hide-feed-desc ()
|
|
"Hide the description of feeds."
|
|
(interactive)
|
|
(newsticker--buffer-hideshow 'desc-feed nil)
|
|
(newsticker--buffer-redraw))
|
|
|
|
(defun newsticker-show-feed-desc ()
|
|
"Show the description of old items."
|
|
(interactive)
|
|
(newsticker--buffer-hideshow 'desc-feed t)
|
|
(newsticker--buffer-redraw))
|
|
|
|
(defun newsticker-hide-all-desc ()
|
|
"Hide the descriptions of feeds and all items."
|
|
(interactive)
|
|
(newsticker--buffer-hideshow 'desc-feed nil)
|
|
(newsticker--buffer-hideshow 'desc-immortal nil)
|
|
(newsticker--buffer-hideshow 'desc-obsolete nil)
|
|
(newsticker--buffer-hideshow 'desc-new nil)
|
|
(newsticker--buffer-hideshow 'desc-old nil)
|
|
(newsticker--buffer-redraw))
|
|
|
|
(defun newsticker-show-all-desc ()
|
|
"Show the descriptions of feeds and all items."
|
|
(interactive)
|
|
(newsticker--buffer-hideshow 'desc-feed t)
|
|
(newsticker--buffer-hideshow 'desc-immortal t)
|
|
(newsticker--buffer-hideshow 'desc-obsolete t)
|
|
(newsticker--buffer-hideshow 'desc-new t)
|
|
(newsticker--buffer-hideshow 'desc-old t)
|
|
(newsticker--buffer-redraw))
|
|
|
|
(defun newsticker-hide-old-items ()
|
|
"Hide old items."
|
|
(interactive)
|
|
(newsticker--buffer-hideshow 'desc-old nil)
|
|
(newsticker--buffer-hideshow 'item-old nil)
|
|
(newsticker--buffer-redraw))
|
|
|
|
(defun newsticker-show-old-items ()
|
|
"Show old items."
|
|
(interactive)
|
|
(newsticker--buffer-hideshow 'item-old t)
|
|
(newsticker--buffer-redraw))
|
|
|
|
(defun newsticker-hide-entry ()
|
|
"Hide description of entry at point."
|
|
(interactive)
|
|
(save-excursion
|
|
(let* (pos1 pos2
|
|
(inhibit-read-only t)
|
|
inv-prop org-inv-prop
|
|
is-invisible)
|
|
(newsticker--buffer-beginning-of-item)
|
|
(newsticker--buffer-goto '(desc))
|
|
(setq pos1 (max (point-min) (1- (point))))
|
|
(newsticker--buffer-goto '(extra feed item nil))
|
|
(setq pos2 (max (point-min) (1- (point))))
|
|
(setq inv-prop (get-text-property pos1 'invisible))
|
|
(setq org-inv-prop (get-text-property pos1 'org-invisible))
|
|
(cond ((eq inv-prop t)
|
|
;; do nothing
|
|
)
|
|
((eq org-inv-prop nil)
|
|
(add-text-properties pos1 pos2
|
|
(list 'invisible (list t)
|
|
'org-invisible inv-prop)))
|
|
(t
|
|
;; toggle
|
|
(add-text-properties pos1 pos2
|
|
(list 'invisible org-inv-prop))
|
|
(remove-text-properties pos1 pos2 '(org-invisible))))))
|
|
(newsticker--buffer-redraw))
|
|
|
|
(defun newsticker-show-entry ()
|
|
"Show description of entry at point."
|
|
(interactive)
|
|
(save-excursion
|
|
(let* (pos1 pos2
|
|
(inhibit-read-only t)
|
|
inv-prop org-inv-prop
|
|
is-invisible)
|
|
(newsticker--buffer-beginning-of-item)
|
|
(newsticker--buffer-goto '(desc))
|
|
(setq pos1 (max (point-min) (1- (point))))
|
|
(newsticker--buffer-goto '(extra feed item))
|
|
(setq pos2 (max (point-min) (1- (point))))
|
|
(setq inv-prop (get-text-property pos1 'invisible))
|
|
(setq org-inv-prop (get-text-property pos1 'org-invisible))
|
|
(cond ((eq org-inv-prop nil)
|
|
(add-text-properties pos1 pos2
|
|
(list 'invisible nil
|
|
'org-invisible inv-prop)))
|
|
(t
|
|
;; toggle
|
|
(add-text-properties pos1 pos2
|
|
(list 'invisible org-inv-prop))
|
|
(remove-text-properties pos1 pos2 '(org-invisible))))))
|
|
(newsticker--buffer-redraw))
|
|
|
|
(defun newsticker-toggle-auto-narrow-to-feed ()
|
|
"Toggle narrowing to current news feed.
|
|
If auto-narrowing is active, only news item of the current feed
|
|
are visible."
|
|
(interactive)
|
|
(newsticker-set-auto-narrow-to-feed
|
|
(not newsticker--auto-narrow-to-feed)))
|
|
|
|
(defun newsticker-set-auto-narrow-to-feed (value)
|
|
"Turn narrowing to current news feed on or off.
|
|
If VALUE is nil, auto-narrowing is turned off, otherwise it is turned on."
|
|
(interactive)
|
|
(setq newsticker--auto-narrow-to-item nil)
|
|
(setq newsticker--auto-narrow-to-feed value)
|
|
(widen)
|
|
(newsticker--buffer-make-item-completely-visible)
|
|
(run-hooks 'newsticker-narrow-hook))
|
|
|
|
(defun newsticker-toggle-auto-narrow-to-item ()
|
|
"Toggle narrowing to current news item.
|
|
If auto-narrowing is active, only one item of the current feed
|
|
is visible."
|
|
(interactive)
|
|
(newsticker-set-auto-narrow-to-item
|
|
(not newsticker--auto-narrow-to-item)))
|
|
|
|
(defun newsticker-set-auto-narrow-to-item (value)
|
|
"Turn narrowing to current news item on or off.
|
|
If VALUE is nil, auto-narrowing is turned off, otherwise it is turned on."
|
|
(interactive)
|
|
(setq newsticker--auto-narrow-to-feed nil)
|
|
(setq newsticker--auto-narrow-to-item value)
|
|
(widen)
|
|
(newsticker--buffer-make-item-completely-visible)
|
|
(run-hooks 'newsticker-narrow-hook))
|
|
|
|
(defun newsticker-next-feed-available-p ()
|
|
"Return t if position is before last feed, nil otherwise."
|
|
(save-excursion
|
|
(let ((p (point)))
|
|
(newsticker--buffer-goto '(feed))
|
|
(not (= p (point))))))
|
|
|
|
(defun newsticker-previous-feed-available-p ()
|
|
"Return t if position is behind first feed, nil otherwise."
|
|
(save-excursion
|
|
(let ((p (point)))
|
|
(newsticker--buffer-goto '(feed) nil t)
|
|
(not (= p (point))))))
|
|
|
|
(defun newsticker-next-item-available-p ()
|
|
"Return t if position is before last feed, nil otherwise."
|
|
(save-excursion
|
|
(catch 'result
|
|
(while (< (point) (point-max))
|
|
(unless (newsticker--buffer-goto '(item))
|
|
(throw 'result nil))
|
|
(unless (newsticker--lists-intersect-p
|
|
(get-text-property (point) 'invisible)
|
|
buffer-invisibility-spec)
|
|
(throw 'result t))))))
|
|
|
|
(defun newsticker-previous-item-available-p ()
|
|
"Return t if position is behind first item, nil otherwise."
|
|
(save-excursion
|
|
(catch 'result
|
|
(while (> (point) (point-min))
|
|
(unless (newsticker--buffer-goto '(item) nil t)
|
|
(throw 'result nil))
|
|
(unless (newsticker--lists-intersect-p
|
|
(get-text-property (point) 'invisible)
|
|
buffer-invisibility-spec)
|
|
(throw 'result t))))))
|
|
|
|
(defun newsticker-item-not-old-p ()
|
|
"Return t if there is an item at point which is not old, nil otherwise."
|
|
(when (get-text-property (point) 'feed)
|
|
(save-excursion
|
|
(newsticker--buffer-beginning-of-item)
|
|
(let ((age (get-text-property (point) 'nt-age)))
|
|
(and (memq age '(new immortal obsolete)) t)))))
|
|
|
|
(defun newsticker-item-not-immortal-p ()
|
|
"Return t if there is an item at point which is not immortal, nil otherwise."
|
|
(when (get-text-property (point) 'feed)
|
|
(save-excursion
|
|
(newsticker--buffer-beginning-of-item)
|
|
(let ((age (get-text-property (point) 'nt-age)))
|
|
(and (memq age '(new old obsolete)) t)))))
|
|
|
|
;; ======================================================================
|
|
;;; Imenu stuff
|
|
;; ======================================================================
|
|
(defun newsticker--imenu-create-index ()
|
|
"Scan newsticker buffer and return an index for imenu."
|
|
(save-excursion
|
|
(goto-char (point-min))
|
|
(let ((index-alist nil)
|
|
(feed-list nil)
|
|
(go-ahead t))
|
|
(while go-ahead
|
|
(let ((type (get-text-property (point) 'nt-type))
|
|
(title (get-text-property (point) 'nt-title)))
|
|
(cond ((eq type 'feed)
|
|
;; we're on a feed heading
|
|
(when feed-list
|
|
(if index-alist
|
|
(nconc index-alist (list feed-list))
|
|
(setq index-alist (list feed-list))))
|
|
(setq feed-list (list title)))
|
|
(t
|
|
(nconc feed-list
|
|
(list (cons title (point)))))))
|
|
(setq go-ahead (newsticker--buffer-goto '(item feed))))
|
|
(if index-alist
|
|
(nconc index-alist (list feed-list))
|
|
(setq index-alist (list feed-list)))
|
|
index-alist)))
|
|
|
|
(defun newsticker--imenu-goto (name pos &rest args)
|
|
"Go to item NAME at position POS and show item.
|
|
ARGS are ignored."
|
|
(goto-char pos)
|
|
;; show headline
|
|
(newsticker--buffer-goto '(desc extra feed item))
|
|
(let* ((inhibit-read-only t)
|
|
(pos1 (max (point-min) (1- pos)))
|
|
(pos2 (max pos1 (1- (point))))
|
|
(inv-prop (get-text-property pos 'invisible))
|
|
(org-inv-prop (get-text-property pos 'org-invisible)))
|
|
(when (eq org-inv-prop nil)
|
|
(add-text-properties pos1 pos2 (list 'invisible nil
|
|
'org-invisible inv-prop))))
|
|
;; show desc
|
|
(newsticker-show-entry))
|
|
|
|
;; ======================================================================
|
|
;;; Buffer stuff
|
|
;; ======================================================================
|
|
(defun newsticker--buffer-set-uptodate (value)
|
|
"Set the uptodate-status of the newsticker buffer to VALUE.
|
|
The mode-line is changed accordingly."
|
|
(setq newsticker--buffer-uptodate-p value)
|
|
(let ((b (get-buffer "*newsticker*")))
|
|
(when b
|
|
(with-current-buffer b
|
|
(setq mode-name (if value
|
|
"Newsticker -- up to date -- "
|
|
"Newsticker -- NEED UPDATE -- ")))
|
|
(force-mode-line-update 0))))
|
|
|
|
(defun newsticker--buffer-redraw ()
|
|
"Redraw the newsticker window."
|
|
(if (fboundp 'force-window-update)
|
|
(force-window-update (current-buffer))
|
|
(redraw-frame (selected-frame)))
|
|
(run-hooks 'newsticker-buffer-change-hook)
|
|
(sit-for 0))
|
|
|
|
(defun newsticker--buffer-insert-all-items ()
|
|
"Insert all cached newsticker items into the current buffer.
|
|
Keeps order of feeds as given in `newsticker-url-list' and
|
|
`newsticker-url-list-defaults'."
|
|
(goto-char (point-min))
|
|
(mapc (lambda (url-item)
|
|
(let* ((feed-name (car url-item))
|
|
(feed-name-symbol (intern feed-name))
|
|
(feed (assoc feed-name-symbol newsticker--cache))
|
|
(items (cdr feed))
|
|
(pos (point)))
|
|
(when feed
|
|
;; insert the feed description
|
|
(mapc (lambda (item)
|
|
(when (eq (newsticker--age item) 'feed)
|
|
(newsticker--buffer-insert-item item
|
|
feed-name-symbol)))
|
|
items)
|
|
;;insert the items
|
|
(mapc (lambda (item)
|
|
(if (memq (newsticker--age item) '(new immortal old
|
|
obsolete))
|
|
(newsticker--buffer-insert-item item
|
|
feed-name-symbol)))
|
|
items)
|
|
(put-text-property pos (point) 'feed (car feed))
|
|
|
|
;; insert empty line between feeds
|
|
(let ((p (point)))
|
|
(insert "\n")
|
|
(put-text-property p (point) 'hard t)))))
|
|
(append newsticker-url-list newsticker-url-list-defaults))
|
|
|
|
(newsticker--buffer-set-faces (point-min) (point-max))
|
|
(newsticker--buffer-set-invisibility (point-min) (point-max))
|
|
(goto-char (point-min)))
|
|
|
|
(defun newsticker--buffer-insert-item (item &optional feed-name-symbol)
|
|
"Insert a news item in the current buffer.
|
|
Insert a formatted representation of the ITEM. The optional parameter
|
|
FEED-NAME-SYMBOL determines how the item is formatted and whether the
|
|
item-retrieval time is added as well."
|
|
;; insert headline
|
|
(if (eq (newsticker--age item) 'feed)
|
|
(newsticker--buffer-do-insert-text item 'feed feed-name-symbol)
|
|
(newsticker--buffer-do-insert-text item 'item feed-name-symbol))
|
|
;; insert the description
|
|
(newsticker--buffer-do-insert-text item 'desc feed-name-symbol))
|
|
|
|
(defun newsticker--buffer-do-insert-text (item type feed-name-symbol)
|
|
"Actually insert contents of news item, format it, render it and all that.
|
|
ITEM is a news item, TYPE tells which part of the item shall be inserted,
|
|
FEED-NAME-SYMBOL tells to which feed this item belongs."
|
|
(let* ((pos (point))
|
|
(format newsticker-desc-format)
|
|
(pos-date-start nil)
|
|
(pos-date-end nil)
|
|
(pos-stat-start nil)
|
|
(pos-stat-end nil)
|
|
(pos-text-start nil)
|
|
(pos-text-end nil)
|
|
(pos-extra-start nil)
|
|
(pos-extra-end nil)
|
|
(pos-enclosure-start nil)
|
|
(pos-enclosure-end nil)
|
|
(age (newsticker--age item))
|
|
(preformatted-contents (newsticker--preformatted-contents item))
|
|
(preformatted-title (newsticker--preformatted-title item)))
|
|
(cond ((and preformatted-contents
|
|
(not (eq (aref preformatted-contents 0) ?\n));; we must
|
|
;; NOT have a line
|
|
;; break!
|
|
(eq type 'desc))
|
|
(insert preformatted-contents))
|
|
((and preformatted-title
|
|
(not (eq (aref preformatted-title 0) ?\n));; we must NOT have a
|
|
;; line break!
|
|
(eq type 'item))
|
|
(insert preformatted-title))
|
|
(t
|
|
;; item was not formatted before.
|
|
;; Let's go.
|
|
(if (eq type 'item)
|
|
(setq format newsticker-item-format)
|
|
(if (eq type 'feed)
|
|
(setq format newsticker-heading-format)))
|
|
|
|
(while (> (length format) 0)
|
|
(let ((prefix (if (> (length format) 1)
|
|
(substring format 0 2)
|
|
"")))
|
|
(cond ((string= "%c" prefix)
|
|
;; contents
|
|
(when (newsticker--desc item)
|
|
(setq pos-text-start (point-marker))
|
|
(insert (newsticker--desc item))
|
|
(setq pos-text-end (point-marker)))
|
|
(setq format (substring format 2)))
|
|
((string= "%d" prefix)
|
|
;; date
|
|
(setq pos-date-start (point-marker))
|
|
(if (newsticker--time item)
|
|
(insert (format-time-string newsticker-date-format
|
|
(newsticker--time item))))
|
|
(setq pos-date-end (point-marker))
|
|
(setq format (substring format 2)))
|
|
((string= "%l" prefix)
|
|
;; logo
|
|
(let ((disabled (cond ((eq (newsticker--age item) 'feed)
|
|
(= (newsticker--stat-num-items
|
|
feed-name-symbol 'new) 0))
|
|
(t
|
|
(not (eq (newsticker--age item)
|
|
'new))))))
|
|
(let ((img (newsticker--image-read feed-name-symbol
|
|
disabled)))
|
|
(when img
|
|
(newsticker--insert-image img (car item)))))
|
|
(setq format (substring format 2)))
|
|
((string= "%L" prefix)
|
|
;; logo or title
|
|
(let ((disabled (cond ((eq (newsticker--age item) 'feed)
|
|
(= (newsticker--stat-num-items
|
|
feed-name-symbol 'new) 0))
|
|
(t
|
|
(not (eq (newsticker--age item)
|
|
'new))))))
|
|
(let ((img (newsticker--image-read feed-name-symbol
|
|
disabled)))
|
|
(if img
|
|
(newsticker--insert-image img (car item))
|
|
(when (car item)
|
|
(setq pos-text-start (point-marker))
|
|
(if (eq (newsticker--age item) 'feed)
|
|
(insert (newsticker--title item))
|
|
;; FIXME: This is not the "real" title!
|
|
(insert (format "%s"
|
|
(car (newsticker--cache-get-feed
|
|
feed-name-symbol)))))
|
|
(setq pos-text-end (point-marker))))))
|
|
(setq format (substring format 2)))
|
|
((string= "%s" prefix)
|
|
;; statistics
|
|
(setq pos-stat-start (point-marker))
|
|
(if (eq (newsticker--age item) 'feed)
|
|
(insert (newsticker--buffer-statistics
|
|
feed-name-symbol)))
|
|
(setq pos-stat-end (point-marker))
|
|
(setq format (substring format 2)))
|
|
((string= "%t" prefix)
|
|
;; title
|
|
(when (car item)
|
|
(setq pos-text-start (point-marker))
|
|
(insert (car item))
|
|
(setq pos-text-end (point-marker)))
|
|
(setq format (substring format 2)))
|
|
((string-match "%." prefix)
|
|
;; unknown specifier!
|
|
(insert prefix)
|
|
(setq format (substring format 2)))
|
|
((string-match "^\\([^%]*\\)\\(.*\\)" format) ;; FIXME!
|
|
;; everything else
|
|
(let ((p (point)))
|
|
(insert (substring format
|
|
(match-beginning 1) (match-end 1)))
|
|
;; in case that the format string contained newlines
|
|
(put-text-property p (point) 'hard t))
|
|
(setq format (substring format (match-beginning 2)))))))
|
|
|
|
;; decode HTML if possible...
|
|
(let ((is-rendered-HTML nil))
|
|
(when (and newsticker-html-renderer pos-text-start pos-text-end)
|
|
(condition-case error-data
|
|
(save-excursion
|
|
;; check whether it is necessary to call html renderer
|
|
;; (regexp inspired by htmlr.el)
|
|
(goto-char pos-text-start)
|
|
(when (re-search-forward
|
|
"</?[A-Za-z1-6]*\\|&#?[A-Za-z0-9]+;" pos-text-end t)
|
|
;; (message "%s" (newsticker--title item))
|
|
(let ((w3m-fill-column (if newsticker-use-full-width
|
|
-1 fill-column))
|
|
(w3-maximum-line-length
|
|
(if newsticker-use-full-width nil fill-column)))
|
|
(save-excursion
|
|
(funcall newsticker-html-renderer pos-text-start
|
|
pos-text-end)))
|
|
(cond ((eq newsticker-html-renderer 'w3m-region)
|
|
(add-text-properties pos (point-max)
|
|
(list 'keymap
|
|
w3m-minor-mode-map)))
|
|
((eq newsticker-html-renderer 'w3-region)
|
|
(add-text-properties pos (point-max)
|
|
(list 'keymap w3-mode-map))))
|
|
(setq is-rendered-HTML t)))
|
|
(error
|
|
(message "Error: HTML rendering failed: %s, %s"
|
|
(car error-data) (cdr error-data)))))
|
|
;; After html rendering there might be chunks of blank
|
|
;; characters between rendered text and date, statistics or
|
|
;; whatever. Remove it
|
|
(when (and (eq type 'item) is-rendered-HTML)
|
|
(goto-char pos)
|
|
(while (re-search-forward "[ \t]*\n[ \t]*" nil t)
|
|
(replace-match " " nil nil))
|
|
(goto-char (point-max)))
|
|
(when (and newsticker-justification
|
|
(memq type '(item desc))
|
|
(not is-rendered-HTML))
|
|
(condition-case nil
|
|
(let ((use-hard-newlines t))
|
|
(fill-region pos (point-max) newsticker-justification))
|
|
(error nil))))
|
|
|
|
;; remove leading and trailing newlines
|
|
(goto-char pos)
|
|
(unless (= 0 (skip-chars-forward " \t\r\n"))
|
|
(delete-region pos (point)))
|
|
(goto-char (point-max))
|
|
(let ((end (point)))
|
|
(unless (= 0 (skip-chars-backward " \t\r\n" (1+ pos)))
|
|
(delete-region (point) end)))
|
|
(goto-char (point-max))
|
|
;; closing newline
|
|
(unless nil ;;(eq pos (point))
|
|
(insert "\n")
|
|
(put-text-property (1- (point)) (point) 'hard t))
|
|
|
|
;; insert enclosure element
|
|
(when (eq type 'desc)
|
|
(setq pos-enclosure-start (point))
|
|
(newsticker--insert-enclosure item newsticker--url-keymap)
|
|
(setq pos-enclosure-end (point)))
|
|
|
|
;; show extra elements
|
|
(when (eq type 'desc)
|
|
(goto-char (point-max))
|
|
(setq pos-extra-start (point))
|
|
(newsticker--print-extra-elements item newsticker--url-keymap)
|
|
(setq pos-extra-end (point)))
|
|
|
|
;; text properties
|
|
(when (memq type '(feed item))
|
|
(add-text-properties pos (1- (point))
|
|
(list 'mouse-face 'highlight
|
|
'nt-link (newsticker--link item)
|
|
'help-echo
|
|
(format "mouse-2: visit item (%s)"
|
|
(newsticker--link item))
|
|
'keymap newsticker--url-keymap))
|
|
(add-text-properties pos (point)
|
|
(list 'nt-title (newsticker--title item)
|
|
'nt-desc (newsticker--desc item))))
|
|
|
|
(add-text-properties pos (point)
|
|
(list 'nt-type type
|
|
'nt-face type
|
|
'nt-age age
|
|
'nt-guid (newsticker--guid item)))
|
|
(when (and pos-date-start pos-date-end)
|
|
(put-text-property pos-date-start pos-date-end 'nt-face 'date))
|
|
(when (and pos-stat-start pos-stat-end)
|
|
(put-text-property pos-stat-start pos-stat-end 'nt-face 'stat))
|
|
(when (and pos-extra-start pos-extra-end)
|
|
(put-text-property pos-extra-start pos-extra-end
|
|
'nt-face 'extra)
|
|
(put-text-property pos-extra-start pos-extra-end
|
|
'nt-type 'extra))
|
|
(when (and pos-enclosure-start pos-enclosure-end
|
|
(> pos-enclosure-end pos-enclosure-start))
|
|
(put-text-property pos-enclosure-start (1- pos-enclosure-end)
|
|
'nt-face 'enclosure))
|
|
|
|
;; left margin
|
|
;;(unless (memq type '(feed item))
|
|
;;(set-left-margin pos (1- (point)) 1))
|
|
|
|
;; save rendered stuff
|
|
(cond ((eq type 'desc)
|
|
;; preformatted contents
|
|
(newsticker--cache-set-preformatted-contents
|
|
item (buffer-substring pos (point))))
|
|
((eq type 'item)
|
|
;; preformatted title
|
|
(newsticker--cache-set-preformatted-title
|
|
item (buffer-substring pos (point)))))))))
|
|
|
|
(defun newsticker--buffer-statistics (feed-name-symbol)
|
|
"Return a statistic string for the feed given by FEED-NAME-SYMBOL.
|
|
See `newsticker-statistics-format'."
|
|
(let ((case-fold-search nil))
|
|
(replace-regexp-in-string
|
|
"%a"
|
|
(format "%d" (newsticker--stat-num-items feed-name-symbol))
|
|
(replace-regexp-in-string
|
|
"%i"
|
|
(format "%d" (newsticker--stat-num-items feed-name-symbol 'immortal))
|
|
(replace-regexp-in-string
|
|
"%n"
|
|
(format "%d" (newsticker--stat-num-items feed-name-symbol 'new))
|
|
(replace-regexp-in-string
|
|
"%o"
|
|
(format "%d" (newsticker--stat-num-items feed-name-symbol 'old))
|
|
(replace-regexp-in-string
|
|
"%O"
|
|
(format "%d" (newsticker--stat-num-items feed-name-symbol 'obsolete))
|
|
newsticker-statistics-format)))))))
|
|
|
|
(defun newsticker--buffer-set-faces (start end)
|
|
"Add face properties according to mark property.
|
|
Scans the buffer between START and END."
|
|
(save-excursion
|
|
(put-text-property start end 'face 'newsticker-default-face)
|
|
(goto-char start)
|
|
(let ((pos1 start)
|
|
(pos2 1)
|
|
(nt-face (get-text-property start 'nt-face))
|
|
(nt-age (get-text-property start 'nt-age)))
|
|
(when nt-face
|
|
(setq pos2 (next-single-property-change (point) 'nt-face))
|
|
(newsticker--set-face-properties pos1 pos2 nt-face nt-age)
|
|
(setq nt-face (get-text-property pos2 'nt-face))
|
|
(setq pos1 pos2))
|
|
(while (and (setq pos2 (next-single-property-change pos1 'nt-face))
|
|
(<= pos2 end)
|
|
(> pos2 pos1))
|
|
(newsticker--set-face-properties pos1 pos2 nt-face nt-age)
|
|
(setq nt-face (get-text-property pos2 'nt-face))
|
|
(setq nt-age (get-text-property pos2 'nt-age))
|
|
(setq pos1 pos2)))))
|
|
|
|
(defun newsticker--buffer-set-invisibility (start end)
|
|
"Add invisibility properties according to nt-type property.
|
|
Scans the buffer between START and END. Sets the 'invisible
|
|
property to '(<nt-type>-<nt-age> <nt-type> <nt-age>)."
|
|
(save-excursion
|
|
;; reset invisibility settings
|
|
(put-text-property start end 'invisible nil)
|
|
;; let's go
|
|
(goto-char start)
|
|
(let ((pos1 start)
|
|
(pos2 1)
|
|
(nt-type (get-text-property start 'nt-type))
|
|
(nt-age (get-text-property start 'nt-age)))
|
|
(when nt-type
|
|
(setq pos2 (next-single-property-change (point) 'nt-type))
|
|
(put-text-property (max (point-min) pos1) (1- pos2)
|
|
'invisible
|
|
(list (intern
|
|
(concat
|
|
(symbol-name
|
|
(if (eq nt-type 'extra) 'desc nt-type))
|
|
"-"
|
|
(symbol-name nt-age)))
|
|
nt-type
|
|
nt-age))
|
|
(setq nt-type (get-text-property pos2 'nt-type))
|
|
(setq pos1 pos2))
|
|
(while (and (setq pos2 (next-single-property-change pos1 'nt-type))
|
|
(<= pos2 end)
|
|
(> pos2 pos1))
|
|
;; must shift one char to the left in order to handle inivisible
|
|
;; newlines, motion in invisible text areas and all that correctly
|
|
(put-text-property (1- pos1) (1- pos2)
|
|
'invisible
|
|
(list (intern
|
|
(concat
|
|
(symbol-name
|
|
(if (eq nt-type 'extra) 'desc nt-type))
|
|
"-"
|
|
(symbol-name nt-age)))
|
|
nt-type
|
|
nt-age))
|
|
(setq nt-type (get-text-property pos2 'nt-type))
|
|
(setq nt-age (get-text-property pos2 'nt-age))
|
|
(setq pos1 pos2)))))
|
|
|
|
(defun newsticker--set-face-properties (pos1 pos2 nt-face age)
|
|
"Set the face for the text between the positions POS1 and POS2.
|
|
The face is chosen according the values of NT-FACE and AGE."
|
|
(let ((face (cond ((eq nt-face 'feed)
|
|
'newsticker-feed-face)
|
|
((eq nt-face 'item)
|
|
(cond ((eq age 'new)
|
|
'newsticker-new-item-face)
|
|
((eq age 'old)
|
|
'newsticker-old-item-face)
|
|
((eq age 'immortal)
|
|
'newsticker-immortal-item-face)
|
|
((eq age 'obsolete)
|
|
'newsticker-obsolete-item-face)))
|
|
((eq nt-face 'date)
|
|
'newsticker-date-face)
|
|
((eq nt-face 'stat)
|
|
'newsticker-statistics-face)
|
|
((eq nt-face 'extra)
|
|
'newsticker-extra-face)
|
|
((eq nt-face 'enclosure)
|
|
'newsticker-enclosure-face))))
|
|
(when face
|
|
(put-text-property pos1 (max pos1 pos2) 'face face))))
|
|
|
|
;; ======================================================================
|
|
;;; Functions working on the *newsticker* buffer
|
|
;; ======================================================================
|
|
(defun newsticker--buffer-make-item-completely-visible ()
|
|
"Scroll buffer until current item is completely visible."
|
|
(when newsticker--auto-narrow-to-feed
|
|
(let* ((min (or (save-excursion (newsticker--buffer-beginning-of-feed))
|
|
(point-min)))
|
|
(max (or (save-excursion (newsticker--buffer-end-of-feed))
|
|
(point-max))))
|
|
(narrow-to-region min max)))
|
|
(when newsticker--auto-narrow-to-item
|
|
(let* ((min (or (save-excursion (newsticker--buffer-beginning-of-item))
|
|
(point-min)))
|
|
(max (or (save-excursion (newsticker--buffer-end-of-item))
|
|
(point-max))))
|
|
(narrow-to-region min max)))
|
|
(sit-for 0)
|
|
;; do not count lines and stuff because that does not work when images
|
|
;; are displayed. Do it the simple way:
|
|
(save-excursion
|
|
(newsticker--buffer-end-of-item)
|
|
(unless (pos-visible-in-window-p)
|
|
(recenter -1)))
|
|
(unless (pos-visible-in-window-p)
|
|
(recenter 0)))
|
|
|
|
(defun newsticker--buffer-get-feed-title-at-point ()
|
|
"Return feed symbol of headline at point."
|
|
(format "%s" (or (get-text-property (point) 'feed) " ")))
|
|
|
|
(defun newsticker--buffer-get-item-title-at-point ()
|
|
"Return feed symbol of headline at point."
|
|
(format "%s" (or (get-text-property (point) 'nt-title) " ")))
|
|
|
|
(defun newsticker--buffer-goto (types &optional age backwards)
|
|
"Search next occurrence of TYPES in current buffer.
|
|
TYPES is a list of symbols. If TYPES is found point is moved, if
|
|
not point is left unchanged. If optional parameter AGE is not
|
|
nil, the type AND the age must match. If BACKWARDS is t, search
|
|
backwards."
|
|
(let ((pos (save-excursion
|
|
(save-restriction
|
|
(widen)
|
|
(catch 'found
|
|
(let ((tpos (point)))
|
|
(while (setq tpos
|
|
(if backwards
|
|
(if (eq tpos (point-min))
|
|
nil
|
|
(or (previous-single-property-change
|
|
tpos 'nt-type)
|
|
(point-min)))
|
|
(next-single-property-change
|
|
tpos 'nt-type)))
|
|
(and (memq (get-text-property tpos 'nt-type) types)
|
|
(or (not age)
|
|
(eq (get-text-property tpos 'nt-age) age))
|
|
(throw 'found tpos)))))))))
|
|
(when pos
|
|
(goto-char pos))
|
|
pos))
|
|
|
|
(defun newsticker--buffer-hideshow (mark-age onoff)
|
|
"Hide or show items of type MARK-AGE.
|
|
If ONOFF is nil the item is hidden, otherwise it is shown."
|
|
(if onoff
|
|
(remove-from-invisibility-spec mark-age)
|
|
(add-to-invisibility-spec mark-age)))
|
|
|
|
(defun newsticker--buffer-beginning-of-item ()
|
|
"Move point to the beginning of the item at point.
|
|
Return new position."
|
|
(if (bobp)
|
|
(point)
|
|
(let ((type (get-text-property (point) 'nt-type))
|
|
(typebefore (get-text-property (1- (point)) 'nt-type)))
|
|
(if (and (memq type '(item feed))
|
|
(not (eq type typebefore)))
|
|
(point)
|
|
(newsticker--buffer-goto '(item feed) nil t)
|
|
(point)))))
|
|
|
|
(defun newsticker--buffer-beginning-of-feed ()
|
|
"Move point to the beginning of the feed at point.
|
|
Return new position."
|
|
(if (bobp)
|
|
(point)
|
|
(let ((type (get-text-property (point) 'nt-type))
|
|
(typebefore (get-text-property (1- (point)) 'nt-type)))
|
|
(if (and (memq type '(feed))
|
|
(not (eq type typebefore)))
|
|
(point)
|
|
(newsticker--buffer-goto '(feed) nil t)
|
|
(point)))))
|
|
|
|
(defun newsticker--buffer-end-of-item ()
|
|
"Move point to the end of the item at point.
|
|
Take care: end of item is at the end of its last line!"
|
|
(when (newsticker--buffer-goto '(item feed nil))
|
|
(point)))
|
|
|
|
(defun newsticker--buffer-end-of-feed ()
|
|
"Move point to the end of the last item of the feed at point.
|
|
Take care: end of item is at the end of its last line!"
|
|
(when (newsticker--buffer-goto '(feed nil))
|
|
(backward-char 1)
|
|
(point)))
|
|
|
|
;; ======================================================================
|
|
;;; misc
|
|
;; ======================================================================
|
|
|
|
(defun newsticker-mouse-browse-url (event)
|
|
"Call `browse-url' for the link of the item at which the EVENT occurred."
|
|
(interactive "e")
|
|
(save-excursion
|
|
(switch-to-buffer (window-buffer (posn-window (event-end event))))
|
|
(let ((url (get-text-property (posn-point (event-end event))
|
|
'nt-link)))
|
|
(when url
|
|
(browse-url url)
|
|
(save-excursion
|
|
(goto-char (posn-point (event-end event)))
|
|
(if newsticker-automatically-mark-visited-items-as-old
|
|
(newsticker-mark-item-at-point-as-read t)))))))
|
|
|
|
(defun newsticker-browse-url ()
|
|
"Call `browse-url' for the link of the item at point."
|
|
(interactive)
|
|
(let ((url (get-text-property (point) 'nt-link)))
|
|
(when url
|
|
(browse-url url)
|
|
(if newsticker-automatically-mark-visited-items-as-old
|
|
(newsticker-mark-item-at-point-as-read t)))))
|
|
|
|
(defvar newsticker-open-url-history
|
|
'("wget" "xmms" "realplay")
|
|
"...")
|
|
|
|
(defun newsticker-handle-url ()
|
|
"Ask for a program to open the link of the item at point."
|
|
(interactive)
|
|
(let ((url (get-text-property (point) 'nt-link)))
|
|
(when url
|
|
(let ((prog (read-string "Open url with: " nil
|
|
'newsticker-open-url-history)))
|
|
(when prog
|
|
(message "%s %s" prog url)
|
|
(start-process prog prog prog url)
|
|
(if newsticker-automatically-mark-visited-items-as-old
|
|
(newsticker-mark-item-at-point-as-read t)))))))
|
|
|
|
|
|
;; ======================================================================
|
|
;;; Misc
|
|
;; ======================================================================
|
|
|
|
(defun newsticker--cache-sort ()
|
|
"Sort the newsticker cache data."
|
|
(let ((sort-fun (cond ((eq newsticker-sort-method 'sort-by-time)
|
|
'newsticker--cache-item-compare-by-time)
|
|
((eq newsticker-sort-method 'sort-by-title)
|
|
'newsticker--cache-item-compare-by-title)
|
|
((eq newsticker-sort-method 'sort-by-original-order)
|
|
'newsticker--cache-item-compare-by-position))))
|
|
(mapc (lambda (feed-list)
|
|
(setcdr feed-list (sort (cdr feed-list)
|
|
sort-fun)))
|
|
newsticker--cache)))
|
|
|
|
(provide 'newst-plainview)
|
|
|
|
;; arch-tag: 4e48b683-d48b-48dd-a13e-fe45baf41184
|
|
;;; newst-plainview.el ends here
|