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From: Kyle Meyer <kyle@kyleam.com>
To: piem@inbox.kyleam.com
Subject: [PATCH 15/18] lei query: Add commands for showing or scrolling message buffer
Date: Sat,  5 Jun 2021 17:13:59 -0400	[thread overview]
Message-ID: <20210605211402.20304-16-kyle@kyleam.com> (raw)
In-Reply-To: <20210605211402.20304-1-kyle@kyleam.com>

Start with direct wrappers around scroll-{up,down}-command, but it
might be worth making these circle around (like
magit-diff-show-or-scroll-{up,down} do) rather than signaling an error
at the beginning or end of the buffer.
---
 piem-lei.el | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/piem-lei.el b/piem-lei.el
index 3cb61abc..8267da5b 100644
--- a/piem-lei.el
+++ b/piem-lei.el
@@ -289,6 +289,36 @@ (defun piem-lei-query-previous-line (n)
   (interactive "p")
   (piem-lei-query-next-line (- n)))
 
+(defun piem-lei-query-show-or-scroll-up (arg)
+  "Show or scroll up message for current query line.
+If there is a visible `piem-lei-show-mode' buffer for the current
+line's message, scroll its text upward, passing ARG to
+`scroll-up-command'.  Otherwise show the message with
+`piem-lei-query-show'."
+  (interactive "^P")
+  (if-let ((mid (piem-lei-query-get-mid)))
+      (let ((w (piem-lei-query--get-visible-message-window)))
+        (if (and w
+                 (equal (with-current-buffer (window-buffer w)
+                          piem-lei-show-mid)
+                        mid))
+            (with-selected-window w
+              (scroll-up-command arg))
+          (piem-lei-query-show)))
+    (ding)))
+
+(defun piem-lei-query-show-or-scroll-down (arg)
+  "Show or scroll down message for current query line.
+If there is a visible `piem-lei-show-mode' buffer for the current
+line's message, scroll its text downward, passing ARG to
+`scroll-down-command'.  Otherwise show the message with
+`piem-lei-query-show'."
+  (interactive "^P")
+  (piem-lei-query-show-or-scroll-up
+   (cond ((eq arg '-) nil)
+         (arg (- arg))
+         (t '-))))
+
 (define-derived-mode piem-lei-query-mode special-mode "lei-query"
   "Major mode for displaying overview of `lei q' results."
   :group 'piem-lei
-- 
2.31.1


  parent reply	other threads:[~2021-06-05 21:14 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-05 21:13 [PATCH 00/18] Initial lei support Kyle Meyer
2021-06-05 21:13 ` [PATCH 01/18] lei: Add command and mode for displaying a message Kyle Meyer
2021-06-05 21:13 ` [PATCH 02/18] piem-lei-show: Let caller suppress displaying buffer Kyle Meyer
2021-06-05 21:13 ` [PATCH 03/18] piem-lei-show: Highlight headers and quoted text Kyle Meyer
2021-06-05 21:13 ` [PATCH 04/18] lei: Add command and mode for displaying overview of search results Kyle Meyer
2021-06-05 21:13 ` [PATCH 05/18] lei query: Add piem-lei-show wrapper for displaying line's message Kyle Meyer
2021-06-05 21:13 ` [PATCH 06/18] lei: Add command for viewing a thread Kyle Meyer
2021-06-05 21:13 ` [PATCH 07/18] lei query: Fontify results Kyle Meyer
2021-06-05 21:13 ` [PATCH 08/18] piem-lei-query-thread: Position point on seed message Kyle Meyer
2021-06-05 21:13 ` [PATCH 09/18] piem-lei-query-thread: Drop repeated subjects Kyle Meyer
2021-06-05 21:13 ` [PATCH 10/18] piem-lei-query-thread: Deal with multiple "re:"s Kyle Meyer
2021-06-05 21:13 ` [PATCH 11/18] piem-lei-query-thread: Omit main part of subject if shared Kyle Meyer
2021-06-05 21:13 ` [PATCH 12/18] piem-lei-query-thread: Add bug#NNN special case when eliding subject Kyle Meyer
2021-06-05 21:13 ` [PATCH 13/18] lei query: Add next/previous line variants that update message buffer Kyle Meyer
2021-06-05 21:13 ` [PATCH 14/18] piem-lei-show: Record message ID Kyle Meyer
2021-06-05 21:13 ` Kyle Meyer [this message]
2021-06-05 21:14 ` [PATCH 16/18] lei: Configure bindings for query and show modes Kyle Meyer
2021-06-05 21:14 ` [PATCH 17/18] lei: Wire up piem.el hooks Kyle Meyer
2021-06-05 21:14 ` [PATCH 18/18] piem-lei-query-thread: Use piem-lei-get-mid to get message ID Kyle Meyer

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