diff options
Diffstat (limited to 'modules/ai-term.el')
| -rw-r--r-- | modules/ai-term.el | 255 |
1 files changed, 174 insertions, 81 deletions
diff --git a/modules/ai-term.el b/modules/ai-term.el index 8dfd5e370..ff8da0035 100644 --- a/modules/ai-term.el +++ b/modules/ai-term.el @@ -52,15 +52,19 @@ ;; picker, even when an agent buffer is currently displayed. ;; Used when the user wants to start a new project session ;; instead of toggling the current one. +;; - s-F9 `cj/ai-term-next' -- step to the next open agent in the +;; queue. The queue is the live agent buffers in buffer-name +;; order (a stable rotation). When an agent window is on +;; screen, swap it to the next agent and focus it, wrapping +;; after the last; when none is shown but agents exist, show +;; the first. This is the "switch among existing agents" +;; surface F9 deliberately doesn't provide. ;; - M-F9 `cj/ai-term-close' -- gracefully close an agent: kill its ;; tmux session (stopping the agent process), then its terminal ;; buffer. Its window stays in the layout (swapped to the ;; working buffer), so closing never collapses a split. Confirms ;; first. Targets the current agent, the sole live agent, or ;; prompts among several. -;; - C-S-F9 `cj/ai-term-close' -- same close command, second binding. -;; (M-F9 is the primary; C-S-F9 may be swallowed by the -;; Wayland/PGTK layer on some machines.) ;; ;; Existing windmove (Shift-arrows) handles code <-> agent focus ;; toggling. Buffer-move (C-M-arrows) handles side-swap. Neither @@ -181,6 +185,21 @@ recently-selected first. Non-AI-term buffers are filtered out via `cj/--ai-term-buffer-p'." (seq-filter #'cj/--ai-term-buffer-p (buffer-list))) +(defun cj/--ai-term-next-agent-buffer (current buffers) + "Return the agent buffer after CURRENT in BUFFERS, wrapping to the first. + +BUFFERS is an ordered list of live agent buffers. When CURRENT is the +last element, wrap to the first. When CURRENT is nil or not a member of +BUFFERS, return the first buffer. Returns nil when BUFFERS is empty. + +Pure decision helper (no buffer or window side effects) so the cycle +order driving `cj/ai-term-next' (s-F9) is exercisable in tests." + (when buffers + (if (memq current buffers) + (or (cadr (memq current buffers)) + (car buffers)) + (car buffers)))) + (defun cj/--ai-term-most-recent-non-agent-buffer () "Return the most-recently-selected live non-agent buffer, or nil. @@ -433,6 +452,18 @@ without deleting), nil when the window was deleted. Consumed by buried agent in the current window (the only one) or splitting per the saved direction.") +(defvar cj/--ai-term-last-toggle-deleted-split nil + "Non-nil when the last F9 toggle-off deleted the agent's own split window. + +Set t by `cj/--ai-term-toggle-off' only when it actually `delete-window's +the agent (a multi-window layout where the agent had its own window); +nil for a bury or a degenerate swap. Consumed by +`cj/--ai-term-reuse-edge-window': when set, the next toggle-on re-splits a +fresh agent window instead of reusing a window at the edge. Without this, +toggling the agent off and on in a 3+ window layout would reuse the user's +working window at the edge, displacing its buffer and collapsing the layout +-- the toggle must be reversible (off then on returns the same windows).") + (defvar cj/--ai-term-last-hidden-buffer nil "The agent buffer hidden by the most recent F9 toggle-off. @@ -445,21 +476,28 @@ the \"the displayed buffer changes\" bug. Falls back to the buffer-list MRU when nil or when the remembered buffer has been killed.") (defvar cj/--ai-term-last-size nil - "Last user-chosen body size for the AI-term display. + "Last user-chosen size for the AI-term display. Positive integer: body-columns when `cj/--ai-term-last-direction' -is right or left, body-lines when below or above. nil means use +is right or left, total-lines when below or above. nil means use the host-aware default from `cj/--ai-term-default-size' (a float -fraction). - -Body size, not total size, because total-width includes the -right-edge divider when the window has a right sibling but excludes -it when the window is at the frame edge. Capturing total-width -from a rightmost agent (no divider) and replaying into a middle -position (with divider) leaves the body 1 column short -- visible -as 1 col of the sibling buffer peeking through where agent should -have ended. Body-width is divider-independent and matches what the -user actually sees. +fraction). See `cj/window-replay-size' for the per-axis capture. + +The axis choice is asymmetric. Width captures body-width, not +total-width: total-width includes the right-edge divider when the +window has a right sibling but excludes it at the frame edge, so +capturing total-width from a rightmost agent (no divider) and +replaying into a middle position (with divider) leaves the body 1 +column short. Body-width is divider-independent. + +Height captures total-height, not body-height: every window has +exactly one mode line regardless of position, so total-height has +no divider-position problem, and total-height is the same whether +the window is active or inactive. Body-height would subtract the +mode line's pixel height, which differs between an active and an +inactive (theme-shrunk) mode line -- capturing body-height active +and replaying it inactive then re-measuring active drifts the +window down by ~1 line per toggle (the F9 shrink bug, 2026-06-20). Absolute values rather than fractions because `display-buffer-in-direction' interprets a float `window-width' / @@ -527,14 +565,22 @@ displaced buffer and the agent, never changing the window count. Runs after `cj/--ai-term-reuse-existing-agent', so an agent already on screen has been handled already; the window reused here always holds a -non-agent buffer, which is replaced (it stays alive, just unshown)." - (let* ((direction (or cj/--ai-term-last-direction - (cj/--ai-term-default-direction))) - (win (cj/window-at-edge direction))) - (when (and win (not (window-dedicated-p win))) - (display-buffer-record-window 'reuse win buffer) - (set-window-buffer win buffer) - win))) +non-agent buffer, which is replaced (it stays alive, just unshown). + +Skipped entirely when the prior toggle-off deleted the agent's own split +window (`cj/--ai-term-last-toggle-deleted-split'): re-showing then reuses a +working window at the edge and collapses the layout. Consume the flag and +return nil so `cj/--ai-term-display-saved' re-splits a fresh agent window, +keeping the toggle reversible." + (if cj/--ai-term-last-toggle-deleted-split + (progn (setq cj/--ai-term-last-toggle-deleted-split nil) nil) + (let* ((direction (or cj/--ai-term-last-direction + (cj/--ai-term-default-direction))) + (win (cj/window-at-edge direction))) + (when (and win (not (window-dedicated-p win))) + (display-buffer-record-window 'reuse win buffer) + (set-window-buffer win buffer) + win)))) (defun cj/--ai-term-display-saved (buffer alist) "Display-buffer action: split per saved direction and size. @@ -774,6 +820,72 @@ launches from either (only kitty inline-graphics degrade in a TTY)." (when win (select-window win)))) buf)) +(defun cj/--ai-term-swap-to-working-buffer (win) + "In WIN, switch to the most-recent non-agent buffer (a working file). +Falls back to `other-buffer' (excluding WIN's current agent buffer) when no +non-agent buffer is on record. Used at toggle-off and close so dismissing an +agent surfaces the file the user was working on rather than another agent or +the agent itself." + (with-selected-window win + (switch-to-buffer + (or (cj/--ai-term-most-recent-non-agent-buffer) + (other-buffer (window-buffer win) t))))) + +(defun cj/--ai-term-toggle-off (win) + "Hide the agent shown in WIN for an F9 toggle-off. Always returns nil. + +Two cases, by window count: + +- Lone fullscreen agent (e.g. after `C-x 1' inside it): there is no prior + layout for the native undo to restore and deleting would leave the frame + empty. Bury and flag, so the next toggle-on (`cj/--ai-term-display-saved') + restores the agent in place at full frame rather than splitting. Capture + geometry for that restore. `bury-buffer' can no-op when the window's + prev-buffer history holds only the agent (common right after `C-x 1'), so + force a swap to a non-agent buffer to keep the toggle observable. + +- Multi-window: collapse the agent split outright by deleting its window, so + the working buffer (e.g. todo.org) reclaims the space. F9 is a pure + show/hide toggle of THE agent split -- it must never surface a different + agent. `quit-restore-window' can't guarantee that here: switching among + several agents reuses the one slot via `set-window-buffer' (see + `cj/--ai-term-reuse-existing-agent'), which leaves the window's + `quit-restore' parameter pointing at the FIRST agent shown. Once it's + stale, `quit-restore-window' falls back to `switch-to-prev-buffer' and + surfaces another agent instead of removing the window -- exactly the \"F9 + shows another agent\" bug. `delete-window' is unconditional and + slot-history-independent. Capture geometry first so the next toggle-on + splits at the same size (the user's chosen split width is preserved)." + ;; Remember which agent we're hiding so the next toggle-on reopens this + ;; same one, not whichever agent is most-recent in `buffer-list'. + (setq cj/--ai-term-last-hidden-buffer (window-buffer win)) + (cond + ((one-window-p) + (cj/--ai-term-capture-state win) + (setq cj/--ai-term-last-was-bury t) + (setq cj/--ai-term-last-toggle-deleted-split nil) + (bury-buffer (window-buffer win)) + (when (and (window-live-p win) + (cj/--ai-term-buffer-p (window-buffer win))) + (cj/--ai-term-swap-to-working-buffer win))) + (t + (cj/--ai-term-capture-state win) + (setq cj/--ai-term-last-was-bury nil) + (if (and (window-live-p win) + (> (length (window-list (window-frame win) 'never)) 1)) + (progn + (delete-window win) + ;; The agent had its own window in a multi-window layout, now gone: + ;; the next toggle-on must re-split it rather than reuse a working + ;; window at the edge (see `cj/--ai-term-reuse-edge-window'). + (setq cj/--ai-term-last-toggle-deleted-split t)) + ;; Degenerate fallback (window became sole between dispatch and + ;; here): swap to a non-agent buffer rather than leave the agent up. + (setq cj/--ai-term-last-toggle-deleted-split nil) + (when (window-live-p win) + (cj/--ai-term-swap-to-working-buffer win))))) + nil) + (defun cj/ai-term (&optional arg) "Smart F9 dispatch for the AI-term launcher. @@ -789,59 +901,11 @@ With prefix ARG, display the buffer without selecting its window when a buffer is being shown (no effect on the toggle-off branch). See `cj/ai-term-pick-project' (C-F9) to force the project picker. -M-F9 (and C-S-F9) close an agent via `cj/ai-term-close'." +M-F9 closes an agent via `cj/ai-term-close'." (interactive "P") (pcase (cj/--ai-term-dispatch) (`(toggle-off . ,win) - ;; Remember which agent we're hiding so the next toggle-on reopens this - ;; same one, not whichever agent is most-recent in `buffer-list'. - (setq cj/--ai-term-last-hidden-buffer (window-buffer win)) - (cond - ;; Lone fullscreen agent (e.g. after `C-x 1' inside it): there is no - ;; prior layout for the native undo to restore and deleting would - ;; leave the frame empty. Bury and flag, so the next toggle-on - ;; (`cj/--ai-term-display-saved') restores the agent in place at - ;; full frame rather than splitting. Capture geometry for that - ;; restore. `bury-buffer' can no-op when the window's prev-buffer - ;; history holds only the agent (common right after `C-x 1'), so - ;; force a swap to a non-agent buffer to keep the toggle observable. - ((one-window-p) - (cj/--ai-term-capture-state win) - (setq cj/--ai-term-last-was-bury t) - (bury-buffer (window-buffer win)) - (when (and (window-live-p win) - (cj/--ai-term-buffer-p (window-buffer win))) - (with-selected-window win - (switch-to-buffer - (or (cj/--ai-term-most-recent-non-agent-buffer) - (other-buffer (window-buffer win) t)))))) - ;; Multi-window: collapse the agent split outright by deleting its - ;; window, so the working buffer (e.g. todo.org) reclaims the space. - ;; F9 is a pure show/hide toggle of THE agent split -- it must never - ;; surface a different agent. `quit-restore-window' can't guarantee - ;; that here: switching among several agents reuses the one slot via - ;; `set-window-buffer' (see `cj/--ai-term-reuse-existing-agent'), - ;; which leaves the window's `quit-restore' parameter pointing at the - ;; FIRST agent shown. Once it's stale, `quit-restore-window' falls - ;; back to `switch-to-prev-buffer' and surfaces another agent instead - ;; of removing the window -- exactly the "F9 shows another agent" - ;; bug. `delete-window' is unconditional and slot-history-independent. - ;; Capture geometry first so the next toggle-on splits at the same - ;; size (the user's chosen split width is preserved across the toggle). - (t - (cj/--ai-term-capture-state win) - (setq cj/--ai-term-last-was-bury nil) - (if (and (window-live-p win) - (> (length (window-list (window-frame win) 'never)) 1)) - (delete-window win) - ;; Degenerate fallback (window became sole between dispatch and - ;; here): swap to a non-agent buffer rather than leave the agent up. - (when (window-live-p win) - (with-selected-window win - (switch-to-buffer - (or (cj/--ai-term-most-recent-non-agent-buffer) - (other-buffer (window-buffer win) t)))))))) - nil) + (cj/--ai-term-toggle-off win)) (`(redisplay-recent . ,buf) (display-buffer buf) (unless arg @@ -881,10 +945,7 @@ when BUFFER isn't an AI-term buffer." (buffer-local-value 'default-directory buffer))) (let ((win (get-buffer-window buffer))) (when (window-live-p win) - (with-selected-window win - (switch-to-buffer - (or (cj/--ai-term-most-recent-non-agent-buffer) - (other-buffer buffer t)))))) + (cj/--ai-term-swap-to-working-buffer win))) (let ((kill-buffer-query-functions nil)) (kill-buffer buffer)))) @@ -910,7 +971,7 @@ buffers; nil when none are alive." Targets the current agent buffer, the sole live agent, or prompts when several are alive (see `cj/--ai-term-close-target'). Asks for confirmation first -- this kills the running agent process, which can -interrupt work in progress. Bound to M-<f9> (primary) and C-S-<f9>." +interrupt work in progress. Bound to M-<f9>." (interactive) (let ((buffer (cj/--ai-term-close-target))) (unless buffer @@ -921,10 +982,42 @@ interrupt work in progress. Bound to M-<f9> (primary) and C-S-<f9>." (cj/--ai-term-close-buffer buffer) (message "Closed agent %s." name))))) +;; ------------------------- Step to the next agent ---------------------------- + +(defun cj/ai-term-next () + "Step to the next open AI-term agent in the queue. + +The queue is the live agent buffers ordered by buffer name -- a stable +rotation, unaffected by which agent was most recently selected. When an +agent window is on screen, swap it to the next agent in the queue +\(wrapping after the last) and select it. When no agent is displayed but +agents exist, show the first. Signals `user-error' when none are open. + +Bound to s-<f9>. Unlike <f9> (toggle the most-recent agent on/off), this +is the \"switch among existing agents\" surface; C-<f9> opens the project +picker and M-<f9> closes an agent." + (interactive) + (let* ((buffers (sort (cj/--ai-term-agent-buffers) + (lambda (a b) + (string< (buffer-name a) (buffer-name b))))) + (win (cj/--ai-term-displayed-agent-window)) + (current (and win (window-buffer win))) + (next (cj/--ai-term-next-agent-buffer current buffers))) + (unless next + (user-error "No AI-term agent buffers open")) + (if win + (progn + (set-window-buffer win next) + (select-window win)) + (display-buffer next) + (let ((w (get-buffer-window next))) + (when w (select-window w)))) + (message "Agent: %s" (buffer-name next)))) + (keymap-global-set "<f9>" #'cj/ai-term) (keymap-global-set "C-<f9>" #'cj/ai-term-pick-project) +(keymap-global-set "s-<f9>" #'cj/ai-term-next) (keymap-global-set "M-<f9>" #'cj/ai-term-close) -(keymap-global-set "C-S-<f9>" #'cj/ai-term-close) ;; ghostel's semi-char mode forwards keys not in `ghostel-keymap-exceptions' to ;; the terminal program, so a plain <f9> typed while point is inside an agent @@ -935,15 +1028,15 @@ interrupt work in progress. Bound to M-<f9> (primary) and C-S-<f9>." (with-eval-after-load 'ghostel (keymap-set ghostel-mode-map "<f9>" #'cj/ai-term) (keymap-set ghostel-mode-map "C-<f9>" #'cj/ai-term-pick-project) + (keymap-set ghostel-mode-map "s-<f9>" #'cj/ai-term-next) (keymap-set ghostel-mode-map "M-<f9>" #'cj/ai-term-close) - (keymap-set ghostel-mode-map "C-S-<f9>" #'cj/ai-term-close) ;; The bindings above live in `ghostel-mode-map', but in semi-char mode ;; ghostel's own `ghostel-semi-char-mode-map' forwards every key not in ;; `ghostel-keymap-exceptions' to the pty -- and that map outranks the ;; major-mode map, so it would swallow the F9 family before the bindings ;; above fire. Add the family to the exceptions and rebuild the semi-char ;; map so the keys fall through to `ghostel-mode-map' inside agent buffers. - (dolist (key '("<f9>" "C-<f9>" "M-<f9>" "C-S-<f9>")) + (dolist (key '("<f9>" "C-<f9>" "s-<f9>" "M-<f9>")) (add-to-list 'ghostel-keymap-exceptions key)) (ghostel--rebuild-semi-char-keymap)) |