;;; gnus-win.el --- window configuration functions for Gnus
-;; Copyright (C) 1996,97,98,99 Free Software Foundation, Inc.
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
+;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
(eval-when-compile (require 'cl))
(require 'gnus)
+(require 'gnus-util)
(defgroup gnus-windows nil
"Window configuration."
:group 'gnus-windows
:type 'boolean)
+(defcustom gnus-use-frames-on-any-display nil
+ "*If non-nil, frames on all displays will be considered useable by Gnus.
+When nil, only frames on the same display as the selected frame will be
+used to display Gnus windows."
+ :group 'gnus-windows
+ :type 'boolean)
+
(defvar gnus-buffer-configuration
'((group
(vertical 1.0
(if gnus-carpal '(summary-carpal 4))))
(article
(cond
- ((and gnus-use-picons
- (eq gnus-picons-display-where 'picons))
- '(frame 1.0
- (vertical 1.0
- (summary 0.25 point)
- (if gnus-carpal '(summary-carpal 4))
- (article 1.0))
- (vertical ((height . 5) (width . 15)
- (user-position . t)
- (left . -1) (top . 1))
- (picons 1.0))))
(gnus-use-trees
'(vertical 1.0
(summary 0.25 point)
(post 1.0 point)))
(reply
(vertical 1.0
- (article-copy 0.5)
+ (article 0.5)
(message 1.0 point)))
(forward
(vertical 1.0
("*Shell Command Output*" 1.0)))
(bug
(vertical 1.0
- ("*Gnus Help Bug*" 0.5)
+ (if gnus-bug-create-help-buffer '("*Gnus Help Bug*" 0.5))
("*Gnus Bug*" 1.0 point)))
(score-trace
(vertical 1.0
(compose-bounce
(vertical 1.0
(article 0.5)
- (message 1.0 point))))
+ (message 1.0 point)))
+ (display-term
+ (vertical 1.0
+ ("*display*" 1.0))))
"Window configuration for all possible Gnus buffers.
See the Gnus manual for an explanation of the syntax used.")
(mail . gnus-message-buffer)
(post-news . gnus-message-buffer)
(faq . gnus-faq-buffer)
- (picons . gnus-picons-buffer-name)
(tree . gnus-tree-buffer)
(score-trace . "*Score Trace*")
(split-trace . "*Split Trace*")
(draft . gnus-draft-buffer))
"Mapping from short symbols to buffer names or buffer variables.")
+(defcustom gnus-configure-windows-hook nil
+ "*A hook called when configuring windows."
+ :group 'gnus-windows
+ :type 'hook)
+
;;; Internal variables.
(defvar gnus-current-window-configuration nil
(defun gnus-configure-frame (split &optional window)
"Split WINDOW according to SPLIT."
- (unless window
- (setq window (or (get-buffer-window (current-buffer)) (selected-window))))
- (select-window window)
- ;; This might be an old-stylee buffer config.
- (when (vectorp split)
- (setq split (append split nil)))
- (when (or (consp (car split))
- (vectorp (car split)))
- (push 1.0 split)
- (push 'vertical split))
- ;; The SPLIT might be something that is to be evaled to
- ;; return a new SPLIT.
- (while (and (not (assq (car split) gnus-window-to-buffer))
- (gnus-functionp (car split)))
- (setq split (eval split)))
- (let* ((type (car split))
- (subs (cddr split))
- (len (if (eq type 'horizontal) (window-width) (window-height)))
- (total 0)
- (window-min-width (or gnus-window-min-width window-min-width))
- (window-min-height (or gnus-window-min-height window-min-height))
- s result new-win rest comp-subs size sub)
- (cond
- ;; Nothing to do here.
- ((null split))
- ;; Don't switch buffers.
- ((null type)
- (and (memq 'point split) window))
- ;; This is a buffer to be selected.
- ((not (memq type '(frame horizontal vertical)))
- (let ((buffer (cond ((stringp type) type)
- (t (cdr (assq type gnus-window-to-buffer))))))
- (unless buffer
- (error "Invalid buffer type: %s" type))
- (let ((buf (gnus-get-buffer-create
- (gnus-window-to-buffer-helper buffer))))
- (if (eq buf (window-buffer (selected-window))) (set-buffer buf)
- (switch-to-buffer buf)))
- (when (memq 'frame-focus split)
- (setq gnus-window-frame-focus window))
- ;; We return the window if it has the `point' spec.
- (and (memq 'point split) window)))
- ;; This is a frame split.
- ((eq type 'frame)
- (unless gnus-frame-list
- (setq gnus-frame-list (list (window-frame
- (get-buffer-window (current-buffer))))))
- (let ((i 0)
- params frame fresult)
- (while (< i (length subs))
- ;; Frame parameter is gotten from the sub-split.
- (setq params (cadr (elt subs i)))
- ;; It should be a list.
- (unless (listp params)
- (setq params nil))
- ;; Create a new frame?
- (unless (setq frame (elt gnus-frame-list i))
- (nconc gnus-frame-list (list (setq frame (make-frame params))))
- (push frame gnus-created-frames))
- ;; Is the old frame still alive?
- (unless (frame-live-p frame)
- (setcar (nthcdr i gnus-frame-list)
- (setq frame (make-frame params))))
- ;; Select the frame in question and do more splits there.
- (select-frame frame)
- (setq fresult (or (gnus-configure-frame (elt subs i)) fresult))
- (incf i))
- ;; Select the frame that has the selected buffer.
- (when fresult
- (select-frame (window-frame fresult)))))
- ;; This is a normal split.
- (t
- (when (> (length subs) 0)
- ;; First we have to compute the sizes of all new windows.
- (while subs
- (setq sub (append (pop subs) nil))
- (while (and (not (assq (car sub) gnus-window-to-buffer))
- (gnus-functionp (car sub)))
- (setq sub (eval sub)))
- (when sub
- (push sub comp-subs)
- (setq size (cadar comp-subs))
- (cond ((equal size 1.0)
- (setq rest (car comp-subs))
- (setq s 0))
- ((floatp size)
- (setq s (floor (* size len))))
- ((integerp size)
- (setq s size))
- (t
- (error "Invalid size: %s" size)))
- ;; Try to make sure that we are inside the safe limits.
- (cond ((zerop s))
- ((eq type 'horizontal)
- (setq s (max s window-min-width)))
- ((eq type 'vertical)
- (setq s (max s window-min-height))))
- (setcar (cdar comp-subs) s)
- (incf total s)))
- ;; Take care of the "1.0" spec.
- (if rest
- (setcar (cdr rest) (- len total))
- (error "No 1.0 specs in %s" split))
- ;; The we do the actual splitting in a nice recursive
- ;; fashion.
- (setq comp-subs (nreverse comp-subs))
- (while comp-subs
- (if (null (cdr comp-subs))
- (setq new-win window)
- (setq new-win
- (split-window window (cadar comp-subs)
- (eq type 'horizontal))))
- (setq result (or (gnus-configure-frame
- (car comp-subs) window)
- result))
- (select-window new-win)
- (setq window new-win)
- (setq comp-subs (cdr comp-subs))))
- ;; Return the proper window, if any.
- (when result
- (select-window result))))))
+ (let ((current-window
+ (or (get-buffer-window (current-buffer)) (selected-window))))
+ (unless window
+ (setq window current-window))
+ (select-window window)
+ ;; This might be an old-style buffer config.
+ (when (vectorp split)
+ (setq split (append split nil)))
+ (when (or (consp (car split))
+ (vectorp (car split)))
+ (push 1.0 split)
+ (push 'vertical split))
+ ;; The SPLIT might be something that is to be evaled to
+ ;; return a new SPLIT.
+ (while (and (not (assq (car split) gnus-window-to-buffer))
+ (gnus-functionp (car split)))
+ (setq split (eval split)))
+ (let* ((type (car split))
+ (subs (cddr split))
+ (len (if (eq type 'horizontal) (window-width) (window-height)))
+ (total 0)
+ (window-min-width (or gnus-window-min-width window-min-width))
+ (window-min-height (or gnus-window-min-height window-min-height))
+ s result new-win rest comp-subs size sub)
+ (cond
+ ;; Nothing to do here.
+ ((null split))
+ ;; Don't switch buffers.
+ ((null type)
+ (and (memq 'point split) window))
+ ;; This is a buffer to be selected.
+ ((not (memq type '(frame horizontal vertical)))
+ (let ((buffer (cond ((stringp type) type)
+ (t (cdr (assq type gnus-window-to-buffer))))))
+ (unless buffer
+ (error "Invalid buffer type: %s" type))
+ (let ((buf (gnus-get-buffer-create
+ (gnus-window-to-buffer-helper buffer))))
+ (if (eq buf (window-buffer (selected-window))) (set-buffer buf)
+ (switch-to-buffer buf)))
+ (when (memq 'frame-focus split)
+ (setq gnus-window-frame-focus window))
+ ;; We return the window if it has the `point' spec.
+ (and (memq 'point split) window)))
+ ;; This is a frame split.
+ ((eq type 'frame)
+ (unless gnus-frame-list
+ (setq gnus-frame-list (list (window-frame current-window))))
+ (let ((i 0)
+ params frame fresult)
+ (while (< i (length subs))
+ ;; Frame parameter is gotten from the sub-split.
+ (setq params (cadr (elt subs i)))
+ ;; It should be a list.
+ (unless (listp params)
+ (setq params nil))
+ ;; Create a new frame?
+ (unless (setq frame (elt gnus-frame-list i))
+ (nconc gnus-frame-list (list (setq frame (make-frame params))))
+ (push frame gnus-created-frames))
+ ;; Is the old frame still alive?
+ (unless (frame-live-p frame)
+ (setcar (nthcdr i gnus-frame-list)
+ (setq frame (make-frame params))))
+ ;; Select the frame in question and do more splits there.
+ (select-frame frame)
+ (setq fresult (or (gnus-configure-frame (elt subs i)) fresult))
+ (incf i))
+ ;; Select the frame that has the selected buffer.
+ (when fresult
+ (select-frame (window-frame fresult)))))
+ ;; This is a normal split.
+ (t
+ (when (> (length subs) 0)
+ ;; First we have to compute the sizes of all new windows.
+ (while subs
+ (setq sub (append (pop subs) nil))
+ (while (and (not (assq (car sub) gnus-window-to-buffer))
+ (gnus-functionp (car sub)))
+ (setq sub (eval sub)))
+ (when sub
+ (push sub comp-subs)
+ (setq size (cadar comp-subs))
+ (cond ((equal size 1.0)
+ (setq rest (car comp-subs))
+ (setq s 0))
+ ((floatp size)
+ (setq s (floor (* size len))))
+ ((integerp size)
+ (setq s size))
+ (t
+ (error "Invalid size: %s" size)))
+ ;; Try to make sure that we are inside the safe limits.
+ (cond ((zerop s))
+ ((eq type 'horizontal)
+ (setq s (max s window-min-width)))
+ ((eq type 'vertical)
+ (setq s (max s window-min-height))))
+ (setcar (cdar comp-subs) s)
+ (incf total s)))
+ ;; Take care of the "1.0" spec.
+ (if rest
+ (setcar (cdr rest) (- len total))
+ (error "No 1.0 specs in %s" split))
+ ;; The we do the actual splitting in a nice recursive
+ ;; fashion.
+ (setq comp-subs (nreverse comp-subs))
+ (while comp-subs
+ (if (null (cdr comp-subs))
+ (setq new-win window)
+ (setq new-win
+ (split-window window (cadar comp-subs)
+ (eq type 'horizontal))))
+ (setq result (or (gnus-configure-frame
+ (car comp-subs) window)
+ result))
+ (select-window new-win)
+ (setq window new-win)
+ (setq comp-subs (cdr comp-subs))))
+ ;; Return the proper window, if any.
+ (when result
+ (select-window result)))))))
(defvar gnus-frame-split-p nil)
;; winconf.
(select-window all-visible)
+ ;; Make sure "the other" buffer, nntp-server-buffer, is live.
+ (unless (gnus-buffer-live-p nntp-server-buffer)
+ (nnheader-init-server-buffer))
+
;; Either remove all windows or just remove all Gnus windows.
(let ((frame (selected-frame)))
(unwind-protect
;; This is not a `frame' split, so we ignore the
;; other frames.
(delete-other-windows)
- ;; This is a `frame' split, so we delete all windows
+ ;; This is a `frame' split, so we delete all windows
;; on all frames.
(gnus-delete-windows-in-gnusey-frames))
;; Just remove some windows.
(gnus-remove-some-windows)
- (set-buffer nntp-server-buffer))
+ (if (featurep 'xemacs)
+ (switch-to-buffer nntp-server-buffer)
+ (set-buffer nntp-server-buffer)))
(select-frame frame)))
(let (gnus-window-frame-focus)
- (set-buffer nntp-server-buffer)
+ (if (featurep 'xemacs)
+ (switch-to-buffer nntp-server-buffer)
+ (set-buffer nntp-server-buffer))
(gnus-configure-frame split)
+ (run-hooks 'gnus-configure-windows-hook)
(when gnus-window-frame-focus
(select-frame (window-frame gnus-window-frame-focus))))))))
(unless buffer
(error "Invalid buffer type: %s" type))
(if (and (setq buf (get-buffer (gnus-window-to-buffer-helper buffer)))
- (setq win (get-buffer-window buf t)))
+ (setq win (gnus-get-buffer-window buf t)))
(if (memq 'point split)
(setq all-visible win))
(setq all-visible nil)))
lowest-buf buf))))
(when lowest-buf
(pop-to-buffer lowest-buf)
- (switch-to-buffer nntp-server-buffer))
- (mapcar (lambda (b) (delete-windows-on b t)) bufs))))
+ (if (featurep 'xemacs)
+ (switch-to-buffer nntp-server-buffer)
+ (set-buffer nntp-server-buffer)))
+ (mapcar (lambda (b) (delete-windows-on b t))
+ (delq lowest-buf bufs)))))
+
+(eval-and-compile
+ (cond
+ ((fboundp 'frames-on-display-list)
+ (defalias 'gnus-frames-on-display-list 'frames-on-display-list))
+ ((and (featurep 'xemacs) (fboundp 'frame-device))
+ (defun gnus-frames-on-display-list ()
+ (apply 'filtered-frame-list 'identity (list (frame-device nil)))))
+ (t
+ (defalias 'gnus-frames-on-display-list 'frame-list))))
+
+(defun gnus-get-buffer-window (buffer &optional frame)
+ (cond ((and (null gnus-use-frames-on-any-display)
+ (memq frame '(t 0 visible)))
+ (car
+ (let ((frames (gnus-frames-on-display-list)))
+ (gnus-delete-if (lambda (win) (not (memq (window-frame win)
+ frames)))
+ (get-buffer-window-list buffer nil frame)))))
+ (t
+ (get-buffer-window buffer frame))))
(provide 'gnus-win)
projects / elisp / gnus.git- / blobdiff