Make erc-fill-wrap work with left-sided stamps
* etc/ERC-NEWS: Remove all mention of option `erc-timestamp-align-to' supporting a value of `margin', which has been abandoned. Do mention leading white space before stamps now having stamp-related properties. * lisp/erc/erc-backend.el (erc--reveal-prompt, erc--conceal-prompt): New generic functions with default implementations factored out from `erc--unhide-prompt' and `erc--hide-prompt'. (erc--prompt-hidden-p): New internal predicate function. (erc--unhide-prompt): Defer to `erc--reveal-prompt', and set `erc-prompt' text property to t. (erc--hide-prompt): Defer to `erc--conceal-prompt', and set `erc-prompt' text property to `hidden'. * lisp/erc/erc-compat.el (erc-compat--29-browse-url-irc): Don't use `function-equal'. * lisp/erc/erc-fill.el (erc-fill-wrap-margin-width, erc-fill-wrap-margin-side): New options to control side and initial width of `fill-wrap' margin. (erc-fill--wrap-beginning-of-line): Fix bug involving non-string valued `display' props. (erc-fill-wrap-toggle-truncate-lines): New command to re-enable `visual-line-mode' when toggling off `truncate-lines'. (erc-fill-wrap-mode-map): Remap `toggle-truncate-lines' to `erc-fill-wrap-toggle-truncate-lines'. (erc-fill-wrap-mode, erc-fill-wrap-enable, erc-fill-wrap-disable): Update doc string, persist a few local vars, and conditionally set `erc-stamp--margin-left-p'. When deactivating, disable `visual-line-mode' first. (erc-fill--wrap-continued-message-p): Use `erc-speaker' instead of heuristics when comparing nicks between consecutive messages. (erc-fill-wrap-nudge): Update doc string and account for left-sided stamps. (erc-timestamp-offset): Add comment regarding conditional guard based on function-valued option. * lisp/erc/erc-stamp.el (erc-timestamp-use-align-to): Remove value variant `margin', which was originally intended to be new in ERC 5.6. This functionality was all but useless without the internal minor mode `erc-stamp--display-margin-mode' active. (erc-stamp-right-margin-width): Remove unused option new in 5.6. (erc-stamp--display-margin-force): Remove unused function. (erc-stamp--margin-width, erc-stamp--margin-left-p): New internal variables. (erc-stamp--init-margins-on-connect): New function for initializing mode-managed margin after connecting. (erc-stamp--adjust-right-margin, erc-stamp--adjust-margin): Rename function to latter and accommodate left-hand stamps. (erc-stamp--inherited-props): Move definition higher up in same file. (erc-stamp--display-margin-mode): Update function name, and adjust setup and teardown to accommodate left-handed stamps. Don't add advice around `erc-insert-timestamp-function'. (erc-stamp--last-prompt, erc-stamp--display-prompt-in-left-margin): New function and helper var to convert a normal inserted prompt so that it appears in the left margin. (erc-stamp--refresh-left-margin-prompt): Helper for other modules to quickly refresh prompt outside of insert hooks. (erc--reveal-prompt, erc--conceal-prompt): New implementations for when `erc-stamp--display-margin-mode' is active. (erc-insert-timestamp-left): Convert to generic function and provide implementation for `erc-stamp--display-margin-mode'. (erc-stamp--omit-properties-on-folded-lines): New variable, an escape hatch for propertizing white space before right-side stamps folded over onto another line. (erc-insert-timestamp-right): Don't expect `erc-timestamp-align-to' to ever be the symbol `margin'. Move handling for that case to one contingent on the internal minor mode `erc-stamp--display-margin-mode' being active. Add text properties preceding stamps that occupy a line by their lonesome. See related news entry for rationale. This is arguably a breaking change. * lisp/erc/erc.el (erc--refresh-prompt-hook): New hook variable for modules to adjust prompt properties whenever it's refreshed. (erc--refresh-prompt): Fix bug in which user-defined prompt functions failed to hide when quitting in server buffers. Run new hook `erc--refresh-prompt-hook'. (erc-display-prompt): Add comment noting that the text property `erc-prompt' now actually matters: it's t while a session is running and `hidden' when disconnected. * test/lisp/erc/erc-fill-tests.el (erc-fill--left-hand-stamps): New test. * test/lisp/erc/erc-stamp-tests.el (erc-stamp-tests--use-align-to--nil, erc-stamp-tests--use-align-to--t): New functions forged from old test bodies to allow optionally asserting pre-5.6 behavior regarding leading white space on right-hand stamps that exist on their own line. (erc-timestamp-use-align-to--nil, erc-timestamp-use-align-to--t): Parameterize with compatibility flag. (erc-timestamp-use-align-to--margin, erc-stamp--display-margin-mode--right): Rename test to latter. * test/lisp/erc/erc-tests.el (erc-hide-prompt): Add some assertions for new possible value of `erc-prompt' text property. * test/lisp/erc/resources/fill/snapshots/stamps-left-01.eld: New test data file. (Bug#60936)
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parent
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10 changed files with 352 additions and 116 deletions
20
etc/ERC-NEWS
20
etc/ERC-NEWS
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@ -103,11 +103,8 @@ side window. Hit '<RET>' over a nick to spawn a "/QUERY" or a
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** The option 'erc-timestamp-use-align-to' is more versatile.
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While this option has always offered to right-align stamps via the
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'display' text property, it's now more effective at doing so when set
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to a number indicating an offset from the right edge. And when set to
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the symbol 'margin', it displays stamps in the right margin, although,
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at the moment, this is mostly intended for use by other modules, such
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as 'fill-wrap', described above. For both these variants, users of
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the 'log' module may want to customize 'erc-log-filter-function' to
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to a number indicating an offset from the right edge. Users of the
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'log' module may want to customize 'erc-log-filter-function' to
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'erc-stamp-prefix-log-filter' to avoid ragged right-hand stamps
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appearing in their saved logs.
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@ -228,7 +225,8 @@ Chiefly, 'rear-sticky' has been replaced by 'erc-command', which
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records the IRC command (or numeric) associated with a message. Less
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impactfully, the value of the 'field' property for ERC's prompt has
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changed from 't' to the more useful 'erc-prompt', although the
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property of the same name has been retained.
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property of the same name has been retained and now has a value of
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'hidden' when disconnected.
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*** Members of insert- and send-related hooks have been reordered.
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Built-in and third-party modules rely on certain hooks for adjusting
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@ -261,6 +259,16 @@ Additionally, the 'stamp' module now merges its 'invisible' property
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with existing ones, when present, and it includes all white space
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around stamps when doing so.
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Moreover, such "propertizing" of surrounding white space now extends
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to all 'stamp'-applied properties, like 'field', in all intervening
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space between message text and timestamps. This constitutes a
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breaking change from the perspective of detecting a timestamp's
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bounds. For example, ERC has always propertized leading space before
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right-sided stamps on the same line as message text but not those
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folded onto the next line. This inconsistency made stamp detection
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overly complex and produced uneven results when toggling stamp
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visibility.
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*** The role of a module's Custom group is now more clearly defined.
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Associating built-in modules with Custom groups and provided library
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features has improved. More specifically, a module's group now enjoys
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@ -1045,13 +1045,25 @@ Conditionally try to reconnect and take appropriate action."
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;; unexpected disconnect
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(erc-process-sentinel-2 event buffer))))
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(cl-defmethod erc--reveal-prompt ()
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(remove-text-properties erc-insert-marker erc-input-marker
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'(display nil)))
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(cl-defmethod erc--conceal-prompt ()
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(add-text-properties erc-insert-marker (1- erc-input-marker)
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`(display ,erc-prompt-hidden)))
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(defun erc--prompt-hidden-p ()
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(and (marker-position erc-insert-marker)
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(eq (get-text-property erc-insert-marker 'erc-prompt) 'hidden)))
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(defun erc--unhide-prompt ()
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(remove-hook 'pre-command-hook #'erc--unhide-prompt-on-self-insert t)
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(when (and (marker-position erc-insert-marker)
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(marker-position erc-input-marker))
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(with-silent-modifications
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(remove-text-properties erc-insert-marker erc-input-marker
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'(display nil)))))
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(put-text-property erc-insert-marker (1- erc-input-marker) 'erc-prompt t)
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(erc--reveal-prompt))))
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(defun erc--unhide-prompt-on-self-insert ()
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(when (and (eq this-command #'self-insert-command)
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@ -1059,6 +1071,8 @@ Conditionally try to reconnect and take appropriate action."
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(erc--unhide-prompt)))
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(defun erc--hide-prompt (proc)
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"Hide prompt in all buffers of server.
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Change value of property `erc-prompt' from t to `hidden'."
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(erc-with-all-buffers-of-server proc nil
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(when (and erc-hide-prompt
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(or (eq erc-hide-prompt t)
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@ -1072,8 +1086,9 @@ Conditionally try to reconnect and take appropriate action."
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(marker-position erc-input-marker)
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(get-text-property erc-insert-marker 'erc-prompt))
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(with-silent-modifications
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(add-text-properties erc-insert-marker (1- erc-input-marker)
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`(display ,erc-prompt-hidden)))
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(put-text-property erc-insert-marker (1- erc-input-marker)
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'erc-prompt 'hidden)
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(erc--conceal-prompt))
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(add-hook 'pre-command-hook #'erc--unhide-prompt-on-self-insert 91 t))))
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(defun erc-process-sentinel (cproc event)
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@ -418,7 +418,7 @@ If START or END is negative, it counts from the end."
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(require 'url-irc)
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(let* ((url (url-generic-parse-url string))
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(url-irc-function
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(if (function-equal url-irc-function 'url-irc-erc)
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(if (eq url-irc-function 'url-irc-erc)
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(lambda (host port chan user pass)
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(erc-handle-irc-url host port chan user pass (url-type url)))
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url-irc-function)))
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@ -116,6 +116,25 @@ Set to nil to disable."
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"The column at which a filled paragraph is broken."
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:type 'integer)
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(defcustom erc-fill-wrap-margin-width nil
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"Starting width in columns of dedicated stamp margin.
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When nil, ERC normally pretends its value is one column greater
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than the `string-width' of the formatted `erc-timestamp-format'.
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However, when `erc-fill-wrap-margin-side' is `left' or
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\"resolves\" to `left', ERC uses the width of the prompt if it's
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wider on MOTD's end, which really only matters when `erc-prompt'
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is a function."
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:package-version '(ERC . "5.6") ; FIXME sync on release
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:type '(choice (const nil) integer))
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(defcustom erc-fill-wrap-margin-side nil
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"Margin side to use with `erc-fill-wrap-mode'.
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A value of nil means ERC should decide based on the value of
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`erc-insert-timestamp-function', which does not work for
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user-defined functions."
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:package-version '(ERC . "5.6") ; FIXME sync on release
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:type '(choice (const nil) (const left) (const right)))
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(defcustom erc-fill-line-spacing nil
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"Extra space between messages on graphical displays.
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This may need adjusting depending on how your faces are
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@ -253,9 +272,9 @@ messages less than a day apart."
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(goto-char erc-input-marker)
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;; Mimic what `move-beginning-of-line' does with invisible text.
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(when-let ((erc-fill-wrap-merge)
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(empty (get-text-property (point) 'display))
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((string-empty-p empty)))
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(goto-char (text-property-not-all (point) (pos-eol) 'display empty)))))
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(prop (get-text-property (point) 'display))
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((or (equal prop "") (eq 'margin (car-safe (car-safe prop))))))
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(goto-char (text-property-not-all (point) (pos-eol) 'display prop)))))
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(defun erc-fill--wrap-end-of-line (arg)
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"Defer to `move-end-of-line' or `end-of-visual-line'."
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@ -278,12 +297,29 @@ is 0, reset to value of `erc-fill-wrap-visual-keys'."
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('non-input nil))))
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(message "erc-fill-wrap movement: %S" erc-fill--wrap-visual-keys))
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(defun erc-fill-wrap-toggle-truncate-lines (arg)
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"Toggle `truncate-lines' and maybe reinstate `visual-line-mode'."
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(interactive "P")
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(let ((wantp (if arg
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(natnump (prefix-numeric-value arg))
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(not truncate-lines)))
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(buffer (current-buffer)))
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(if wantp
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(setq truncate-lines t)
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(walk-windows (lambda (window)
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(when (eq buffer (window-buffer window))
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(set-window-hscroll window 0)))
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nil t)
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(visual-line-mode +1)))
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(force-mode-line-update))
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(defvar-keymap erc-fill-wrap-mode-map ; Compat 29
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:doc "Keymap for ERC's `fill-wrap' module."
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:parent visual-line-mode-map
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"<remap> <kill-line>" #'erc-fill--wrap-kill-line
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"<remap> <move-end-of-line>" #'erc-fill--wrap-end-of-line
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"<remap> <move-beginning-of-line>" #'erc-fill--wrap-beginning-of-line
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"<remap> <toggle-truncate-lines>" #'erc-fill-wrap-toggle-truncate-lines
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"C-c a" #'erc-fill-wrap-cycle-visual-movement
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;; Not sure if this is problematic because `erc-bol' takes no args.
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"<remap> <erc-bol>" #'erc-fill--wrap-beginning-of-line)
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@ -319,42 +355,57 @@ is 0, reset to value of `erc-fill-wrap-visual-keys'."
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"Fill style leveraging `visual-line-mode'.
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This local module displays nicks overhanging leftward to a common
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offset, as determined by the option `erc-fill-static-center'. It
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depends on the `fill' and `button' modules and assumes the option
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`erc-insert-timestamp-function' is `erc-insert-timestamp-right'
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or the default `erc-insert-timestamp-left-and-right', so that it
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can display right-hand stamps in the right margin. A value of
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`erc-insert-timestamp-left' is unsupported. To use it, either
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include `fill-wrap' in `erc-modules' or set `erc-fill-function'
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to `erc-fill-wrap' (recommended). You can also manually invoke
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one of the minor-mode toggles if really necessary."
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depends on the `fill', `stamp', and `button' modules and assumes
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users who've defined their own `erc-insert-timestamp-function'
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have also customized the option `erc-fill-wrap-margin-side' to an
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explicit side. To use this module, either include `fill-wrap' in
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`erc-modules' or set `erc-fill-function' to `erc-fill-wrap'.
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Manually invoking one of the minor-mode toggles is not
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recommended.
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This module imposes various restrictions on the appearance of
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timestamps. Most notably, it insists on displaying them in the
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margins. Users preferring left-sided stamps may notice that ERC
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also displays the prompt in the left margin, possibly truncating
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or padding it to constrain it to the margin's width. When stamps
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appear in the right margin, which they do by default, users may
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find that ERC actually appends them to copy-as-killed messages
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without an intervening space. This normally poses at most a
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minor inconvenience, however users of the `log' module may prefer
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a workaround provided by `erc-stamp-prefix-log-filter', which
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strips trailing stamps from logged messages and instead prepends
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them to every line."
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((erc-fill--wrap-ensure-dependencies)
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;; Restore or initialize local state variables.
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(erc--restore-initialize-priors erc-fill-wrap-mode
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erc-fill--wrap-visual-keys erc-fill-wrap-visual-keys
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erc-fill--wrap-value erc-fill-static-center)
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erc-fill--wrap-value erc-fill-static-center
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erc-stamp--margin-width erc-fill-wrap-margin-width
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left-margin-width left-margin-width
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right-margin-width right-margin-width)
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(setq erc-stamp--margin-left-p
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(or (eq erc-fill-wrap-margin-side 'left)
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(eq (default-value 'erc-insert-timestamp-function)
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#'erc-insert-timestamp-left)))
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(setq erc-fill--function #'erc-fill-wrap)
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;; Internal integrations.
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(add-function :after (local 'erc-stamp--insert-date-function)
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#'erc-fill--wrap-stamp-insert-prefixed-date)
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(when (or erc-stamp-mode (memq 'stamp erc-modules))
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(erc-stamp--display-margin-mode +1))
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(when (or (bound-and-true-p erc-match-mode) (memq 'match erc-modules))
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(require 'erc-match)
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(setq erc-match--hide-fools-offset-bounds t))
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(when erc-fill-wrap-merge
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(add-hook 'erc-button--prev-next-predicate-functions
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#'erc-fill--wrap-merged-button-p nil t))
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(erc-stamp--display-margin-mode +1)
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(visual-line-mode +1))
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((when erc-stamp--display-margin-mode
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(erc-stamp--display-margin-mode -1))
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((visual-line-mode -1)
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(erc-stamp--display-margin-mode -1)
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(kill-local-variable 'erc-fill--wrap-value)
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(kill-local-variable 'erc-fill--function)
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(kill-local-variable 'erc-fill--wrap-visual-keys)
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(remove-hook 'erc-button--prev-next-predicate-functions
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#'erc-fill--wrap-merged-button-p t)
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(remove-function (local 'erc-stamp--insert-date-function)
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#'erc-fill--wrap-stamp-insert-prefixed-date)
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(visual-line-mode -1))
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#'erc-fill--wrap-stamp-insert-prefixed-date))
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'local)
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(defvar-local erc-fill--wrap-length-function nil
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@ -381,18 +432,21 @@ parties.")
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(widen)
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(when (eq 'erc-timestamp (field-at-pos m))
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(set-marker m (field-end m)))
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(and (eq 'PRIVMSG (get-text-property m 'erc-command))
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(not (eq (get-text-property m 'erc-ctcp) 'ACTION))
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(cons (get-text-property m 'erc-timestamp)
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(get-text-property (1+ m) 'erc-data)))))
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(and-let*
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(((eq 'PRIVMSG (get-text-property m 'erc-command)))
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((not (eq (get-text-property m 'erc-ctcp)
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'ACTION)))
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(spr (next-single-property-change m 'erc-speaker)))
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(cons (get-text-property m 'erc-timestamp)
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(get-text-property spr 'erc-speaker)))))
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(ts (pop props))
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((not (time-less-p (erc-stamp--current-time) ts)))
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((time-less-p (time-subtract (erc-stamp--current-time) ts)
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erc-fill--wrap-max-lull))
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(nick (buffer-substring-no-properties
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(1+ (point-min)) (- (point) 2)))
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(speaker (next-single-property-change (point-min) 'erc-speaker))
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(nick (get-text-property speaker 'erc-speaker))
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(props)
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((erc-nick-equal-p (car props) nick))))
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((erc-nick-equal-p props nick))))
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(set-marker erc-fill--wrap-last-msg (point-min))))
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(defun erc-fill--wrap-stamp-insert-prefixed-date (&rest args)
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@ -476,8 +530,8 @@ Offer to repeat command in a manner similar to
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\\`=' Increase indentation by one column
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\\`-' Decrease indentation by one column
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\\`0' Reset indentation to the default
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\\`+' Shift right margin rightward (shrink) by one column
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\\`_' Shift right margin leftward (grow) by one column
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\\`+' Shift margin boundary rightward by one column
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\\`_' Shift margin boundary leftward by one column
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\\`)' Reset the right margin to the default
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Note that misalignment may occur when messages contain
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@ -489,6 +543,7 @@ decorations applied by third-party modules."
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(unless (get-buffer-window)
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(user-error "Command called in an undisplayed buffer"))
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(let* ((total (erc-fill--wrap-nudge arg))
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(leftp erc-stamp--margin-left-p)
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(win-ratio (/ (float (- (window-point) (window-start)))
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(- (window-end nil t) (window-start)))))
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(when (zerop arg)
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@ -509,18 +564,20 @@ decorations applied by third-party modules."
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(dolist (key '(?\) ?_ ?+))
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(let ((a (pcase key
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(?\) 0)
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(?_ (- (abs arg)))
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(?+ (abs arg)))))
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(?_ (if leftp (abs arg) (- (abs arg))))
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(?+ (if leftp (- (abs arg)) (abs arg))))))
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(define-key map (vector (list key))
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(lambda ()
|
||||
(interactive)
|
||||
(erc-stamp--adjust-right-margin (- a))
|
||||
(erc-stamp--adjust-margin (- a) (zerop a))
|
||||
(when leftp (erc-stamp--refresh-left-margin-prompt))
|
||||
(recenter (round (* win-ratio (window-height))))))))
|
||||
map)
|
||||
t
|
||||
(lambda ()
|
||||
(message "Fill prefix: %d (%+d col%s)"
|
||||
erc-fill--wrap-value total (if (> (abs total) 1) "s" "")))
|
||||
(message "Fill prefix: %d (%+d col%s); Margin: %d"
|
||||
erc-fill--wrap-value total (if (> (abs total) 1) "s" "")
|
||||
(if leftp left-margin-width right-margin-width)))
|
||||
"Use %k for further adjustment"
|
||||
1)
|
||||
(recenter (round (* win-ratio (window-height))))))
|
||||
|
@ -536,6 +593,7 @@ decorations applied by third-party modules."
|
|||
"Get length of timestamp if inserted left."
|
||||
(if (and (boundp 'erc-timestamp-format)
|
||||
erc-timestamp-format
|
||||
;; FIXME use a more robust test than symbol equivalence.
|
||||
(eq erc-insert-timestamp-function 'erc-insert-timestamp-left)
|
||||
(not erc-hide-timestamps))
|
||||
(length (format-time-string erc-timestamp-format))
|
||||
|
|
|
@ -281,49 +281,60 @@ This option only matters when `erc-insert-timestamp-function' is
|
|||
set to `erc-insert-timestamp-right' or that option's default,
|
||||
`erc-insert-timestamp-left-and-right'. If the value is a
|
||||
positive integer, alignment occurs that many columns from the
|
||||
right edge. If the value is `margin', the stamp appears in the
|
||||
right margin when visible.
|
||||
right edge.
|
||||
|
||||
Enabling this option produces a side effect in that stamps aren't
|
||||
indented in saved logs. When its value is an integer, this
|
||||
option adds a space after the end of a message if the stamp
|
||||
doesn't already start with one. And when its value is t, it adds
|
||||
a single space, unconditionally. And while this option never
|
||||
adds a space when its value is `margin', ERC does offer a
|
||||
workaround in `erc-stamp-prefix-log-filter', which strips
|
||||
trailing stamps from messages and puts them before every line."
|
||||
:type '(choice boolean integer (const margin))
|
||||
a single space, unconditionally."
|
||||
:type '(choice boolean integer)
|
||||
:package-version '(ERC . "5.6")) ; FIXME sync on release
|
||||
|
||||
(defcustom erc-stamp-right-margin-width nil
|
||||
"Width in columns of the right margin.
|
||||
When this option is nil, pretend its value is one column greater
|
||||
than the `string-width' of the formatted `erc-timestamp-format'.
|
||||
This option only matters when `erc-timestamp-use-align-to' is set
|
||||
to `margin'."
|
||||
:package-version '(ERC . "5.6") ; FIXME sync on release
|
||||
:type '(choice (const nil) integer))
|
||||
(defvar-local erc-stamp--margin-width nil
|
||||
"Width in columns of margin for `erc-stamp--display-margin-mode'.
|
||||
Only consulted when resetting or initializing margin.")
|
||||
|
||||
(defun erc-stamp--display-margin-force (orig &rest r)
|
||||
(let ((erc-timestamp-use-align-to 'margin))
|
||||
(apply orig r)))
|
||||
(defvar-local erc-stamp--margin-left-p nil
|
||||
"Whether `erc-stamp--display-margin-mode' uses the left margin.
|
||||
During initialization, the mode respects this variable's existing
|
||||
value if it already has a local binding. Otherwise, modules can
|
||||
bind this to any value while enabling the mode. If it's nil, ERC
|
||||
will check to see if `erc-insert-timestamp-function' is
|
||||
`erc-insert-timestamp-left', interpreting the latter as a non-nil
|
||||
value. It'll then coerce any non-nil value to t.")
|
||||
|
||||
(defun erc-stamp--adjust-right-margin (cols)
|
||||
"Adjust right margin by COLS.
|
||||
When COLS is zero, reset width to `erc-stamp-right-margin-width'
|
||||
or one col more than the `string-width' of
|
||||
`erc-timestamp-format'."
|
||||
(let ((width
|
||||
(if (zerop cols)
|
||||
(or erc-stamp-right-margin-width
|
||||
(1+ (string-width (or erc-timestamp-last-inserted-right
|
||||
(erc-format-timestamp
|
||||
(current-time)
|
||||
erc-timestamp-format)))))
|
||||
(+ right-margin-width cols))))
|
||||
(setq right-margin-width width)
|
||||
(defun erc-stamp--init-margins-on-connect (&rest _)
|
||||
(let ((existing (if erc-stamp--margin-left-p
|
||||
left-margin-width
|
||||
right-margin-width)))
|
||||
(erc-stamp--adjust-margin existing 'resetp)))
|
||||
|
||||
(defun erc-stamp--adjust-margin (cols &optional resetp)
|
||||
"Adjust managed margin by increment COLS.
|
||||
With RESETP, set margin's width to COLS. However, if COLS is
|
||||
zero, set the width to a non-nil `erc-stamp--margin-width'.
|
||||
Otherwise, go with the `string-width' of `erc-timestamp-format'.
|
||||
However, when `erc-stamp--margin-left-p' is non-nil and the
|
||||
prompt is wider, use its width instead."
|
||||
(let* ((leftp erc-stamp--margin-left-p)
|
||||
(width
|
||||
(if resetp
|
||||
(or (and (not (zerop cols)) cols)
|
||||
erc-stamp--margin-width
|
||||
(max (if leftp (string-width (erc-prompt)) 0)
|
||||
(1+ (string-width
|
||||
(or (if leftp
|
||||
erc-timestamp-last-inserted
|
||||
erc-timestamp-last-inserted-right)
|
||||
(erc-format-timestamp
|
||||
(current-time) erc-timestamp-format))))))
|
||||
(+ (if leftp left-margin-width right-margin-width) cols))))
|
||||
(set (if leftp 'left-margin-width 'right-margin-width) width)
|
||||
(when (eq (current-buffer) (window-buffer))
|
||||
(set-window-margins nil left-margin-width width))))
|
||||
(set-window-margins nil
|
||||
(if leftp width left-margin-width)
|
||||
(if leftp right-margin-width width)))))
|
||||
|
||||
;;;###autoload
|
||||
(defun erc-stamp-prefix-log-filter (text)
|
||||
|
@ -348,39 +359,100 @@ non-nil."
|
|||
(zerop (forward-line))))
|
||||
"")
|
||||
|
||||
(defvar erc-stamp--inherited-props '(line-prefix wrap-prefix))
|
||||
|
||||
(declare-function erc--remove-text-properties "erc" (string))
|
||||
|
||||
;; If people want to use this directly, we can convert it into
|
||||
;; a local module.
|
||||
;; Currently, `erc-insert-timestamp-right' hard codes its display
|
||||
;; property to use `right-margin', and `erc-insert-timestamp-left'
|
||||
;; does the same for `left-margin'. However, there's no reason a
|
||||
;; trailing stamp couldn't be displayed on the left and vice versa.
|
||||
(define-minor-mode erc-stamp--display-margin-mode
|
||||
"Internal minor mode for built-in modules integrating with `stamp'.
|
||||
It binds `erc-timestamp-use-align-to' to `margin' around calls to
|
||||
`erc-insert-timestamp-function' in the current buffer, and sets
|
||||
the right window margin to `erc-stamp-right-margin-width'. It
|
||||
also arranges to remove most text properties when a user kills
|
||||
message text so that stamps will be visible when yanked."
|
||||
Arranges for displaying stamps in a single margin, with the
|
||||
variable `erc-stamp--margin-left-p' controlling which one.
|
||||
Provides `erc-stamp--margin-width' and `erc-stamp--adjust-margin'
|
||||
to help manage the chosen margin's width. Also removes `display'
|
||||
properties in killed text to reveal stamps. The invoking module
|
||||
should set controlling variables, like `erc-stamp--margin-width'
|
||||
and `erc-stamp--margin-left-p', before activating the mode."
|
||||
:interactive nil
|
||||
(if erc-stamp--display-margin-mode
|
||||
(progn
|
||||
(setq fringes-outside-margins t)
|
||||
(when (eq (current-buffer) (window-buffer))
|
||||
(set-window-buffer (selected-window) (current-buffer)))
|
||||
(erc-stamp--adjust-right-margin 0)
|
||||
(setq erc-stamp--margin-left-p (and erc-stamp--margin-left-p t))
|
||||
(if (or erc-server-connected (not (functionp erc-prompt)))
|
||||
(erc-stamp--init-margins-on-connect)
|
||||
(add-hook 'erc-after-connect
|
||||
#'erc-stamp--init-margins-on-connect nil t))
|
||||
(add-function :filter-return (local 'filter-buffer-substring-function)
|
||||
#'erc--remove-text-properties)
|
||||
(add-function :around (local 'erc-insert-timestamp-function)
|
||||
#'erc-stamp--display-margin-force))
|
||||
(add-hook 'erc--setup-buffer-hook
|
||||
#'erc-stamp--refresh-left-margin-prompt nil t)
|
||||
(when erc-stamp--margin-left-p
|
||||
(add-hook 'erc--refresh-prompt-hook
|
||||
#'erc-stamp--display-prompt-in-left-margin nil t)))
|
||||
(remove-function (local 'filter-buffer-substring-function)
|
||||
#'erc--remove-text-properties)
|
||||
(remove-function (local 'erc-insert-timestamp-function)
|
||||
#'erc-stamp--display-margin-force)
|
||||
(kill-local-variable 'right-margin-width)
|
||||
(remove-hook 'erc-after-connect
|
||||
#'erc-stamp--init-margins-on-connect t)
|
||||
(remove-hook 'erc--refresh-prompt-hook
|
||||
#'erc-stamp--display-prompt-in-left-margin t)
|
||||
(remove-hook 'erc--setup-buffer-hook
|
||||
#'erc-stamp--refresh-left-margin-prompt t)
|
||||
(kill-local-variable (if erc-stamp--margin-left-p
|
||||
'left-margin-width
|
||||
'right-margin-width))
|
||||
(kill-local-variable 'fringes-outside-margins)
|
||||
(kill-local-variable 'erc-stamp--margin-left-p)
|
||||
(kill-local-variable 'erc-stamp--margin-width)
|
||||
(when (eq (current-buffer) (window-buffer))
|
||||
(set-window-margins nil left-margin-width nil)
|
||||
(set-window-buffer (selected-window) (current-buffer)))))
|
||||
|
||||
(defun erc-insert-timestamp-left (string)
|
||||
(defvar-local erc-stamp--last-prompt nil)
|
||||
|
||||
(defun erc-stamp--display-prompt-in-left-margin ()
|
||||
"Show prompt in the left margin with padding."
|
||||
(when (or (not erc-stamp--last-prompt) (functionp erc-prompt)
|
||||
(> (string-width erc-stamp--last-prompt) left-margin-width))
|
||||
(let ((s (buffer-substring erc-insert-marker (1- erc-input-marker))))
|
||||
;; Prevent #("abc" n m (display ((...) #("abc" p q (display...))))
|
||||
(remove-text-properties 0 (length s) '(display nil) s)
|
||||
(when (and erc-stamp--last-prompt
|
||||
(>= (string-width erc-stamp--last-prompt) left-margin-width))
|
||||
(let ((sm (truncate-string-to-width s (1- left-margin-width) 0 nil t)))
|
||||
;; This papers over a subtle off-by-1 bug here.
|
||||
(unless (equal sm s)
|
||||
(setq s (concat sm (substring s -1))))))
|
||||
(setq erc-stamp--last-prompt (string-pad s left-margin-width nil t))))
|
||||
(put-text-property erc-insert-marker (1- erc-input-marker)
|
||||
'display `((margin left-margin) ,erc-stamp--last-prompt))
|
||||
erc-stamp--last-prompt)
|
||||
|
||||
(defun erc-stamp--refresh-left-margin-prompt ()
|
||||
"Forcefully-recompute display property of prompt in left margin."
|
||||
(with-silent-modifications
|
||||
(unless (functionp erc-prompt)
|
||||
(setq erc-stamp--last-prompt nil))
|
||||
(erc--refresh-prompt)))
|
||||
|
||||
(cl-defmethod erc--reveal-prompt
|
||||
(&context (erc-stamp--display-margin-mode (eql t))
|
||||
(erc-stamp--margin-left-p (eql t)))
|
||||
(put-text-property erc-insert-marker (1- erc-input-marker)
|
||||
'display `((margin left-margin) ,erc-stamp--last-prompt)))
|
||||
|
||||
(cl-defmethod erc--conceal-prompt
|
||||
(&context (erc-stamp--display-margin-mode (eql t))
|
||||
(erc-stamp--margin-left-p (eql t)))
|
||||
(let ((prompt (string-pad erc-prompt-hidden left-margin-width nil 'start)))
|
||||
(put-text-property erc-insert-marker (1- erc-input-marker)
|
||||
'display `((margin left-margin) ,prompt))))
|
||||
|
||||
(cl-defmethod erc-insert-timestamp-left (string)
|
||||
"Insert timestamps at the beginning of the line."
|
||||
(goto-char (point-min))
|
||||
(let* ((ignore-p (and erc-timestamp-only-if-changed-flag
|
||||
|
@ -392,6 +464,22 @@ message text so that stamps will be visible when yanked."
|
|||
(erc-put-text-property 0 len 'invisible erc-stamp--invisible-property s)
|
||||
(insert s)))
|
||||
|
||||
(cl-defmethod erc-insert-timestamp-left
|
||||
(string &context (erc-stamp--display-margin-mode (eql t)))
|
||||
(unless (and erc-timestamp-only-if-changed-flag
|
||||
(string-equal string erc-timestamp-last-inserted))
|
||||
(goto-char (point-min))
|
||||
(insert-before-markers-and-inherit
|
||||
(setq erc-timestamp-last-inserted string))
|
||||
(dolist (p erc-stamp--inherited-props)
|
||||
(when-let ((v (get-text-property (point) p)))
|
||||
(put-text-property (point-min) (point) p v)))
|
||||
(erc-put-text-property (point-min) (point) 'invisible
|
||||
erc-stamp--invisible-property)
|
||||
(put-text-property (point-min) (point) 'field 'erc-timestamp)
|
||||
(put-text-property (point-min) (point)
|
||||
'display `((margin left-margin) ,string))))
|
||||
|
||||
(defun erc-insert-aligned (string pos)
|
||||
"Insert STRING at the POSth column.
|
||||
|
||||
|
@ -408,7 +496,11 @@ property to get to the POSth column."
|
|||
;; Silence byte-compiler
|
||||
(defvar erc-fill-column)
|
||||
|
||||
(defvar erc-stamp--inherited-props '(line-prefix wrap-prefix))
|
||||
(defvar erc-stamp--omit-properties-on-folded-lines nil
|
||||
"Skip properties before right stamps occupying their own line.
|
||||
This escape hatch restores pre-5.6 behavior that left leading
|
||||
white space alone (unpropertized) for right-sided stamps folded
|
||||
onto their own line.")
|
||||
|
||||
(defun erc-insert-timestamp-right (string)
|
||||
"Insert timestamp on the right side of the screen.
|
||||
|
@ -465,6 +557,9 @@ printed just after each line's text (no alignment)."
|
|||
;; For compatibility reasons, the `erc-timestamp' field includes
|
||||
;; intervening white space unless a hard break is warranted.
|
||||
(pcase erc-timestamp-use-align-to
|
||||
((guard erc-stamp--display-margin-mode)
|
||||
(put-text-property 0 (length string)
|
||||
'display `((margin right-margin) ,string) string))
|
||||
((and 't (guard (< col pos)))
|
||||
(insert " ")
|
||||
(put-text-property from (point) 'display `(space :align-to ,pos)))
|
||||
|
@ -475,11 +570,8 @@ printed just after each line's text (no alignment)."
|
|||
(let ((s (+ erc-timestamp-use-align-to (string-width string))))
|
||||
(put-text-property from (point) 'display
|
||||
`(space :align-to (- right ,s)))))
|
||||
('margin
|
||||
(put-text-property 0 (length string)
|
||||
'display `((margin right-margin) ,string)
|
||||
string))
|
||||
((guard (>= col pos)) (newline) (indent-to pos) (setq from (point)))
|
||||
((guard (>= col pos)) (newline) (indent-to pos)
|
||||
(when erc-stamp--omit-properties-on-folded-lines (setq from (point))))
|
||||
(_ (indent-to pos)))
|
||||
(insert string)
|
||||
(dolist (p erc-stamp--inherited-props)
|
||||
|
|
|
@ -2879,19 +2879,23 @@ this option to nil."
|
|||
(cl-assert (< erc-insert-marker erc-input-marker))
|
||||
(cl-assert (= (field-end erc-insert-marker) erc-input-marker)))))
|
||||
|
||||
(defvar erc--refresh-prompt-hook nil)
|
||||
|
||||
(defun erc--refresh-prompt ()
|
||||
"Re-render ERC's prompt when the option `erc-prompt' is a function."
|
||||
(erc--assert-input-bounds)
|
||||
(when (functionp erc-prompt)
|
||||
(save-excursion
|
||||
(goto-char erc-insert-marker)
|
||||
(set-marker-insertion-type erc-insert-marker nil)
|
||||
;; Avoid `erc-prompt' (the named function), which appends a
|
||||
;; space, and `erc-display-prompt', which propertizes all but
|
||||
;; that space.
|
||||
(insert-and-inherit (funcall erc-prompt))
|
||||
(set-marker-insertion-type erc-insert-marker t)
|
||||
(delete-region (point) (1- erc-input-marker)))))
|
||||
(unless (erc--prompt-hidden-p)
|
||||
(when (functionp erc-prompt)
|
||||
(save-excursion
|
||||
(goto-char erc-insert-marker)
|
||||
(set-marker-insertion-type erc-insert-marker nil)
|
||||
;; Avoid `erc-prompt' (the named function), which appends a
|
||||
;; space, and `erc-display-prompt', which propertizes all but
|
||||
;; that space.
|
||||
(insert-and-inherit (funcall erc-prompt))
|
||||
(set-marker-insertion-type erc-insert-marker t)
|
||||
(delete-region (point) (1- erc-input-marker))))
|
||||
(run-hooks 'erc--refresh-prompt-hook)))
|
||||
|
||||
(defun erc-display-line-1 (string buffer)
|
||||
"Display STRING in `erc-mode' BUFFER.
|
||||
|
@ -4804,7 +4808,7 @@ If FACE is non-nil, it will be used to propertize the prompt. If it is nil,
|
|||
;; shall remain part of the prompt.
|
||||
(setq prompt (propertize prompt
|
||||
'rear-nonsticky t
|
||||
'erc-prompt t
|
||||
'erc-prompt t ; t or `hidden'
|
||||
'field 'erc-prompt
|
||||
'front-sticky t
|
||||
'read-only t))
|
||||
|
|
|
@ -340,4 +340,41 @@
|
|||
(should (search-backward "ERC> " nil t))
|
||||
(execute-kbd-macro "\C-a")))))
|
||||
|
||||
(ert-deftest erc-fill--left-hand-stamps ()
|
||||
:tags '(:unstable)
|
||||
(unless (>= emacs-major-version 29)
|
||||
(ert-skip "Emacs version too low, missing `buffer-text-pixel-size'"))
|
||||
|
||||
(let ((erc-timestamp-only-if-changed-flag nil)
|
||||
(erc-insert-timestamp-function #'erc-insert-timestamp-left))
|
||||
(erc-fill-tests--wrap-populate
|
||||
(lambda ()
|
||||
(should (= 8 left-margin-width))
|
||||
(pcase-let ((`((margin left-margin) ,displayed)
|
||||
(get-text-property erc-insert-marker 'display)))
|
||||
(should (equal-including-properties
|
||||
displayed #(" ERC>" 4 8
|
||||
( read-only t
|
||||
front-sticky t
|
||||
field erc-prompt
|
||||
erc-prompt t
|
||||
rear-nonsticky t
|
||||
font-lock-face erc-prompt-face)))))
|
||||
(erc-fill-tests--compare "stamps-left-01")
|
||||
|
||||
(ert-info ("Shrink left margin by 1 col")
|
||||
(erc-stamp--adjust-margin -1)
|
||||
(with-silent-modifications (erc--refresh-prompt))
|
||||
(should (= 7 left-margin-width))
|
||||
(pcase-let ((`((margin left-margin) ,displayed)
|
||||
(get-text-property erc-insert-marker 'display)))
|
||||
(should (equal-including-properties
|
||||
displayed #(" ERC>" 3 7
|
||||
( read-only t
|
||||
front-sticky t
|
||||
field erc-prompt
|
||||
erc-prompt t
|
||||
rear-nonsticky t
|
||||
font-lock-face erc-prompt-face))))))))))
|
||||
|
||||
;;; erc-fill-tests.el ends here
|
||||
|
|
|
@ -56,7 +56,7 @@
|
|||
(advice-remove 'erc-format-timestamp
|
||||
'ert-deftest--erc-timestamp-use-align-to)))
|
||||
|
||||
(ert-deftest erc-timestamp-use-align-to--nil ()
|
||||
(defun erc-stamp-tests--use-align-to--nil (compat)
|
||||
(erc-stamp-tests--insert-right
|
||||
(lambda ()
|
||||
|
||||
|
@ -83,12 +83,20 @@
|
|||
(erc-display-message nil 'notice (current-buffer)
|
||||
"twenty characters"))
|
||||
(should (search-forward-regexp (rx bol (+ "\t") (* " ") "[") nil t))
|
||||
;; Field excludes leading whitespace (arguably undesirable).
|
||||
(should (eql ?\[ (char-after (field-beginning (point)))))
|
||||
;; Field includes leading whitespace.
|
||||
(should (eql (if compat ?\[ ?\n)
|
||||
(char-after (field-beginning (point)))))
|
||||
;; Timestamp extends to the end of the line.
|
||||
(should (eql ?\n (char-after (field-end (point)))))))))
|
||||
|
||||
(ert-deftest erc-timestamp-use-align-to--t ()
|
||||
(ert-deftest erc-timestamp-use-align-to--nil ()
|
||||
(ert-info ("Field starts on stamp text (compat)")
|
||||
(let ((erc-stamp--omit-properties-on-folded-lines t))
|
||||
(erc-stamp-tests--use-align-to--nil 'compat)))
|
||||
(ert-info ("Field includes leaidng white space")
|
||||
(erc-stamp-tests--use-align-to--nil nil)))
|
||||
|
||||
(defun erc-stamp-tests--use-align-to--t (compat)
|
||||
(erc-stamp-tests--insert-right
|
||||
(lambda ()
|
||||
|
||||
|
@ -110,10 +118,17 @@
|
|||
(erc-display-message nil nil (current-buffer) msg)))
|
||||
;; Indented to pos (this is arguably a bug).
|
||||
(should (search-forward-regexp (rx bol (+ "\t") (* " ") "[") nil t))
|
||||
;; Field starts *after* leading space (arguably bad).
|
||||
(should (eql ?\[ (char-after (field-beginning (point)))))
|
||||
;; Field includes leading space.
|
||||
(should (eql (if compat ?\[ ?\n) (char-after (field-beginning (point)))))
|
||||
(should (eql ?\n (char-after (field-end (point)))))))))
|
||||
|
||||
(ert-deftest erc-timestamp-use-align-to--t ()
|
||||
(ert-info ("Field starts on stamp text (compat)")
|
||||
(let ((erc-stamp--omit-properties-on-folded-lines t))
|
||||
(erc-stamp-tests--use-align-to--t 'compat)))
|
||||
(ert-info ("Field includes leaidng white space")
|
||||
(erc-stamp-tests--use-align-to--t nil)))
|
||||
|
||||
(ert-deftest erc-timestamp-use-align-to--integer ()
|
||||
(erc-stamp-tests--insert-right
|
||||
(lambda ()
|
||||
|
@ -140,7 +155,7 @@
|
|||
(should (eql ?\s (char-after (field-beginning (point)))))
|
||||
(should (eql ?\n (char-after (field-end (point)))))))))
|
||||
|
||||
(ert-deftest erc-timestamp-use-align-to--margin ()
|
||||
(ert-deftest erc-stamp--display-margin-mode--right ()
|
||||
(erc-stamp-tests--insert-right
|
||||
(lambda ()
|
||||
(erc-stamp--display-margin-mode +1)
|
||||
|
|
|
@ -219,6 +219,7 @@
|
|||
(setq erc-hide-prompt '(server))
|
||||
(with-current-buffer "ServNet"
|
||||
(erc--hide-prompt erc-server-process)
|
||||
(should (eq (get-text-property erc-insert-marker 'erc-prompt) 'hidden))
|
||||
(should (string= ">" (get-text-property erc-insert-marker 'display))))
|
||||
|
||||
(with-current-buffer "#chan"
|
||||
|
@ -229,6 +230,7 @@
|
|||
|
||||
(with-current-buffer "ServNet"
|
||||
(erc--unhide-prompt)
|
||||
(should (eq (get-text-property erc-insert-marker 'erc-prompt) t))
|
||||
(should-not (get-text-property erc-insert-marker 'display))))
|
||||
|
||||
(ert-info ("Value: channel")
|
||||
|
@ -242,7 +244,9 @@
|
|||
|
||||
(with-current-buffer "#chan"
|
||||
(should (string= ">" (get-text-property erc-insert-marker 'display)))
|
||||
(should (eq (get-text-property erc-insert-marker 'erc-prompt) 'hidden))
|
||||
(erc--unhide-prompt)
|
||||
(should (eq (get-text-property erc-insert-marker 'erc-prompt) t))
|
||||
(should-not (get-text-property erc-insert-marker 'display))))
|
||||
|
||||
(ert-info ("Value: query")
|
||||
|
@ -253,7 +257,9 @@
|
|||
|
||||
(with-current-buffer "bob"
|
||||
(should (string= ">" (get-text-property erc-insert-marker 'display)))
|
||||
(should (eq (get-text-property erc-insert-marker 'erc-prompt) 'hidden))
|
||||
(erc--unhide-prompt)
|
||||
(should (eq (get-text-property erc-insert-marker 'erc-prompt) t))
|
||||
(should-not (get-text-property erc-insert-marker 'display)))
|
||||
|
||||
(with-current-buffer "#chan"
|
||||
|
|
|
@ -0,0 +1 @@
|
|||
#("\n\n[00:00]*** This server is in debug mode and is logging all user I/O. If you do not wish for everything you send to be readable by the server owner(s), please disconnect.\n[00:00]<alice> bob: come, you are a tedious fool: to the purpose. What was done to Elbow's wife, that he hath cause to complain of? Come me to what was done to her.\n[00:00]<bob> alice: Either your unparagoned mistress is dead, or she's outprized by a trifle.\n" 2 9 (erc-timestamp 0 display (#4=(margin left-margin) #("[00:00]" 0 7 (invisible timestamp font-lock-face erc-timestamp-face))) field erc-timestamp wrap-prefix #1=(space :width 27) line-prefix #2=(space :width (- 27 (4)))) 9 171 (erc-timestamp 0 wrap-prefix #1# line-prefix #2#) 172 179 (erc-timestamp 0 display (#4# #("[00:00]" 0 7 (invisible timestamp font-lock-face erc-timestamp-face))) field erc-timestamp wrap-prefix #1# line-prefix #3=(space :width (- 27 (8)))) 179 180 (erc-timestamp 0 wrap-prefix #1# line-prefix #3# erc-command PRIVMSG) 180 185 (erc-timestamp 0 wrap-prefix #1# line-prefix #3# erc-command PRIVMSG) 185 187 (erc-timestamp 0 wrap-prefix #1# line-prefix #3# erc-command PRIVMSG) 187 190 (erc-timestamp 0 wrap-prefix #1# line-prefix #3# erc-command PRIVMSG) 190 303 (erc-timestamp 0 wrap-prefix #1# line-prefix #3# erc-command PRIVMSG) 303 304 (erc-timestamp 0 erc-command PRIVMSG) 304 336 (erc-timestamp 0 wrap-prefix #1# line-prefix #3# erc-command PRIVMSG) 337 344 (erc-timestamp 0 display (#4# #("[00:00]" 0 7 (invisible timestamp font-lock-face erc-timestamp-face))) field erc-timestamp wrap-prefix #1# line-prefix #5=(space :width (- 27 (6)))) 344 345 (erc-timestamp 0 wrap-prefix #1# line-prefix #5# erc-command PRIVMSG) 345 348 (erc-timestamp 0 wrap-prefix #1# line-prefix #5# erc-command PRIVMSG) 348 350 (erc-timestamp 0 wrap-prefix #1# line-prefix #5# erc-command PRIVMSG) 350 355 (erc-timestamp 0 wrap-prefix #1# line-prefix #5# erc-command PRIVMSG) 355 430 (erc-timestamp 0 wrap-prefix #1# line-prefix #5# erc-command PRIVMSG))
|
Loading…
Add table
Reference in a new issue