1 ;;; riece-layout.el --- layout management
2 ;; Copyright (C) 1998-2003 Daiki Ueno
4 ;; Author: Daiki Ueno <ueno@unixuser.org>
5 ;; TAKAHASHI "beatmaria" Kaoru <kaoru@kaisei.org>
6 ;; Keywords: IRC, riece
8 ;; This file is part of Riece.
10 ;; This program is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; This program is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
27 (require 'riece-globals)
30 (defgroup riece-layout nil
31 "Manage window layouts"
35 (defcustom riece-layout "default"
36 "Current layout setting."
40 (defcustom riece-layout-alist
41 '(("middle-right" riece-configure-windows right middle)
42 ("middle-left" riece-configure-windows left middle)
43 ("top-right" riece-configure-windows right top)
44 ("top-left" riece-configure-windows left top)
45 ("bottom-right" riece-configure-windows right bottom)
46 ("bottom-left" riece-configure-windows left bottom)
47 ("top" riece-configure-windows-top)
48 ("default" . "middle-right"))
49 "An alist mapping the names to layout functions.
50 An element of this alist is either in the following forms:
52 (NAME CONFIGURE-FUNCTION [PARAMETERS])
55 In the first form, NAME is a string which specifies the layout
56 setting, and CONFIGURE-FUNCTION is a function which does window
57 splitting, etc. PARAMETERS are collected and passed to CONFIGURE-FUNCTION.
58 In the second form, NAME1 is an alias for NAME2."
62 (defun riece-redraw-layout (&optional force)
63 "Reconfigure windows with the current layout.
64 If optional argument FORCE is non-nil, window reconfiguration will
65 happen unconditionally."
66 (let ((layout (cdr (assoc riece-layout riece-layout-alist))))
68 (error "No such layout!"))
70 (let ((riece-layout layout))
71 (riece-redraw-layout force))
73 (riece-reconfigure-windows-predicate))
74 (apply (car layout) (cdr layout))))))
76 (defun riece-set-window-points ()
77 (if (get-buffer-window riece-user-list-buffer)
78 (with-current-buffer riece-user-list-buffer
79 (unless (riece-frozen riece-user-list-buffer)
80 (set-window-start (get-buffer-window riece-user-list-buffer)
82 (if (get-buffer-window riece-channel-list-buffer)
83 (with-current-buffer riece-channel-list-buffer
84 (unless (riece-frozen riece-channel-list-buffer)
85 (set-window-start (get-buffer-window riece-channel-list-buffer)
87 (if (and riece-channel-buffer
88 (get-buffer-window riece-channel-buffer))
89 (with-current-buffer riece-channel-buffer
90 (unless (riece-frozen riece-channel-buffer)
91 (set-window-point (get-buffer-window riece-channel-buffer)
93 (if (get-buffer-window riece-others-buffer)
94 (with-current-buffer riece-others-buffer
95 (unless (riece-frozen riece-others-buffer)
96 (set-window-point (get-buffer-window riece-others-buffer)
98 (if (get-buffer-window riece-dialogue-buffer)
99 (with-current-buffer riece-dialogue-buffer
100 (unless (riece-frozen riece-dialogue-buffer)
101 (set-window-point (get-buffer-window riece-dialogue-buffer)
104 (defun riece-reconfigure-windows-predicate ()
105 "Return t, if window reconfiguration is needed.
106 This function is used by \"default\" layout."
107 (memq (window-buffer (selected-window))
110 (defun riece-configure-windows (hpos vpos)
111 (let ((buffer (window-buffer))
113 (and riece-user-list-buffer-mode
114 riece-current-channel
115 ;; User list buffer is nuisance for private conversation.
116 (riece-channel-p (riece-identity-prefix
117 riece-current-channel)))))
118 ;; Can't expand minibuffer to full frame.
119 (if (eq (selected-window) (minibuffer-window))
121 (delete-other-windows)
122 (if (and riece-current-channel
123 (or show-user-list riece-channel-list-buffer-mode))
124 (let ((rest-window (split-window (selected-window)
127 (/ (window-width) 5))
128 (/ (window-width) 5))
130 (when (eq hpos 'left)
131 (setq rest-window (selected-window))
133 (if (and show-user-list riece-channel-list-buffer-mode)
135 (set-window-buffer (split-window)
136 riece-channel-list-buffer)
137 (set-window-buffer (selected-window)
138 riece-user-list-buffer))
140 (set-window-buffer (selected-window)
141 riece-user-list-buffer)
142 (if riece-channel-list-buffer-mode
143 (set-window-buffer (selected-window)
144 riece-channel-list-buffer))))
145 (select-window rest-window)))
146 (if (and riece-current-channel
147 riece-channel-buffer-mode)
150 (let ((rest-window (split-window nil 4)))
151 (set-window-buffer (selected-window)
152 riece-command-buffer)
153 (select-window rest-window)
154 (set-window-buffer (split-window rest-window)
156 (set-window-buffer (selected-window)
157 riece-channel-buffer))
158 (if (eq vpos 'middle)
159 (let ((rest-window (split-window)))
160 (set-window-buffer (selected-window)
161 riece-channel-buffer)
162 (set-window-buffer (split-window rest-window 4)
164 (set-window-buffer rest-window
165 riece-command-buffer))
166 (let ((rest-window (split-window nil (- (window-height) 4))))
167 (set-window-buffer (selected-window)
169 (set-window-buffer (split-window)
170 riece-channel-buffer)
171 (set-window-buffer rest-window
172 riece-command-buffer))))
173 (with-current-buffer riece-channel-buffer
174 (setq truncate-partial-width-windows nil))
175 (with-current-buffer riece-others-buffer
176 (setq truncate-partial-width-windows nil)))
177 (if (eq vpos 'bottom)
179 (set-window-buffer (selected-window)
180 riece-command-buffer)
181 (set-window-buffer (split-window (selected-window) 4)
182 riece-dialogue-buffer))
183 (set-window-buffer (split-window (selected-window) 4)
184 riece-dialogue-buffer)
185 (set-window-buffer (selected-window)
186 riece-command-buffer)))
187 (riece-set-window-points)
188 (select-window (or (get-buffer-window buffer)
189 (get-buffer-window riece-command-buffer)))))
191 (defun riece-configure-windows-top (&rest plist)
192 "Candidate of `riece-configure-windows-function'.
193 PLIST accept :command-height, :user-list-width, and :channel-list-width."
194 (let ((command-height (or (plist-get plist :command-height) 4))
195 (user-list-width (or (plist-get plist :user-list-width) (+ 9 1 1)))
196 (channel-list-width (or (plist-get plist :channel-list-width) 18))
197 (buffer (window-buffer))
199 (and riece-user-list-buffer-mode
200 riece-current-channel
201 ;; User list buffer is nuisance for private conversation.
202 (riece-channel-p (riece-identity-prefix
203 riece-current-channel)))))
204 ;; Can't expand minibuffer to full frame.
205 (when (eq (selected-window) (minibuffer-window))
207 (delete-other-windows)
209 (let ((rest-window (split-window (selected-window) command-height)))
210 (set-window-buffer (selected-window)
211 riece-command-buffer)
212 (select-window rest-window))
213 ;; middle of frame (vertical-spilit when need)
214 (when (or (and riece-current-channel riece-channel-buffer-mode)
217 (split-window (selected-window)
218 (/ (* 5 (+ (window-height) command-height)) 8))))
220 ;; channel-buffer + user-list
222 (and riece-current-channel riece-channel-buffer-mode))
223 (let ((user-list-window (split-window (selected-window) nil t)))
224 (set-window-buffer (selected-window) riece-channel-buffer)
225 (set-window-buffer user-list-window riece-user-list-buffer)
226 (select-window user-list-window)
227 (shrink-window-horizontally (- (window-width) user-list-width))
228 (setq truncate-partial-width-windows nil)))
231 (set-window-buffer (selected-window) riece-user-list-buffer))
232 ;; only channel-buffer
233 (riece-channel-buffer-mode
234 (set-window-buffer (selected-window) riece-channel-buffer)))
235 (select-window rest-window)))
237 (if (and riece-current-channel
238 riece-channel-list-buffer-mode)
239 (let ((channel-list-window (split-window (selected-window) nil t)))
240 (set-window-buffer (selected-window) riece-others-buffer)
241 (set-window-buffer channel-list-window riece-channel-list-buffer)
242 (select-window channel-list-window)
243 (shrink-window-horizontally (- (window-width) channel-list-width))
244 (setq truncate-partial-width-windows nil))
245 (set-window-buffer (selected-window) riece-dialogue-buffer))
246 (riece-set-window-points)
247 (select-window (or (get-buffer-window buffer)
248 (get-buffer-window riece-command-buffer)))))
250 (provide 'riece-layout)
252 ;;; riece-layout.el ends here