diff options
Diffstat (limited to 'lisp/progmodes/xref.el')
-rw-r--r-- | lisp/progmodes/xref.el | 91 |
1 files changed, 66 insertions, 25 deletions
diff --git a/lisp/progmodes/xref.el b/lisp/progmodes/xref.el index 3dbf65ef6f5..db025d40aa3 100644 --- a/lisp/progmodes/xref.el +++ b/lisp/progmodes/xref.el @@ -448,43 +448,74 @@ If SELECT is non-nil, select the target window." (when xref-w (set-window-dedicated-p xref-w xref-w-dedicated))))) -(defun xref--show-pos-in-buf (pos buf select) - (let ((xref-buf (current-buffer)) - win) +(defvar-local xref--original-window-intent nil + "Original window-switching intent before xref buffer creation.") + +(defvar-local xref--original-window nil + "The original window this xref buffer was created from.") + +(defun xref--show-pos-in-buf (pos buf) + "Goto and display position POS of buffer BUF in a window. +Honor `xref--original-window-intent', run `xref-after-jump-hook' +and finally return the window." + (let* ((xref-buf (current-buffer)) + (pop-up-frames + (or (eq xref--original-window-intent 'frame) + pop-up-frames)) + (action + (cond ((memq + xref--original-window-intent + '(window frame)) + t) + ((and + (window-live-p xref--original-window) + (or (not (window-dedicated-p xref--original-window)) + (eq (window-buffer xref--original-window) buf))) + `(,(lambda (buf _alist) + (set-window-buffer xref--original-window buf) + xref--original-window)))))) (with-selected-window - (xref--with-dedicated-window - (display-buffer buf)) + (with-selected-window + ;; Just before `display-buffer', place ourselves in the + ;; original window to suggest preserving it. Of course, if + ;; user has deleted the original window, all bets are off, + ;; just use the selected one. + (or (and (window-live-p xref--original-window) + xref--original-window) + (selected-window)) + (display-buffer buf action)) (xref--goto-char pos) (run-hooks 'xref-after-jump-hook) (let ((buf (current-buffer))) - (setq win (selected-window)) (with-current-buffer xref-buf - (setq-local other-window-scroll-buffer buf)))) - (when select - (select-window win)))) + (setq-local other-window-scroll-buffer buf))) + (selected-window)))) (defun xref--show-location (location &optional select) + "Help `xref-show-xref' and `xref-goto-xref' do their job. +Go to LOCATION and if SELECT is non-nil select its window. If +SELECT is `quit', also quit the *xref* window." (condition-case err (let* ((marker (xref-location-marker location)) - (buf (marker-buffer marker))) - (xref--show-pos-in-buf marker buf select)) + (buf (marker-buffer marker)) + (xref-buffer (current-buffer))) + (cond (select + (if (eq select 'quit) (quit-window nil nil)) + (with-current-buffer xref-buffer + (select-window (xref--show-pos-in-buf marker buf)))) + (t + (save-selected-window + (xref--with-dedicated-window + (xref--show-pos-in-buf marker buf)))))) (user-error (message (error-message-string err))))) -(defvar-local xref--window nil - "The original window this xref buffer was created from.") - (defun xref-show-location-at-point () "Display the source of xref at point in the appropriate window, if any." (interactive) (let* ((xref (xref--item-at-point)) (xref--current-item xref)) (when xref - ;; Try to avoid the window the current xref buffer was - ;; originally created from. - (if (window-live-p xref--window) - (with-selected-window xref--window - (xref--show-location (xref-item-location xref))) - (xref--show-location (xref-item-location xref)))))) + (xref--show-location (xref-item-location xref))))) (defun xref-next-line () "Move to the next xref and display its source in the appropriate window." @@ -503,12 +534,19 @@ If SELECT is non-nil, select the target window." (back-to-indentation) (get-text-property (point) 'xref-item))) -(defun xref-goto-xref () - "Jump to the xref on the current line and select its window." +(defun xref-goto-xref (&optional quit) + "Jump to the xref on the current line and select its window. +Non-interactively, non-nil QUIT means to first quit the *xref* +buffer." (interactive) (let ((xref (or (xref--item-at-point) (user-error "No reference at point")))) - (xref--show-location (xref-item-location xref) t))) + (xref--show-location (xref-item-location xref) (if quit 'quit t)))) + +(defun xref-quit-and-goto-xref () + "Quit *xref* buffer, then jump to xref on current line." + (interactive) + (xref-goto-xref t)) (defun xref-query-replace-in-results (from to) "Perform interactive replacement of FROM with TO in all displayed xrefs. @@ -632,6 +670,7 @@ references displayed in the current *xref* buffer." (define-key map (kbd "p") #'xref-prev-line) (define-key map (kbd "r") #'xref-query-replace-in-results) (define-key map (kbd "RET") #'xref-goto-xref) + (define-key map (kbd "TAB") #'xref-quit-and-goto-xref) (define-key map (kbd "C-o") #'xref-show-location-at-point) ;; suggested by Johan Claesson "to further reduce finger movement": (define-key map (kbd ".") #'xref-next-line) @@ -726,7 +765,8 @@ Return an alist of the form ((FILENAME . (XREF ...)) ...)." (xref--xref-buffer-mode) (pop-to-buffer (current-buffer)) (goto-char (point-min)) - (setq xref--window (assoc-default 'window alist)) + (setq xref--original-window (assoc-default 'window alist) + xref--original-window-intent (assoc-default 'display-action alist)) (current-buffer))))) @@ -753,7 +793,8 @@ Return an alist of the form ((FILENAME . (XREF ...)) ...)." (t (xref-push-marker-stack) (funcall xref-show-xrefs-function xrefs - `((window . ,(selected-window))))))) + `((window . ,(selected-window)) + (display-action . ,display-action)))))) (defun xref--prompt-p (command) (or (eq xref-prompt-for-identifier t) |