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 (if (riece-frozen riece-channel-buffer)
91 (if riece-channel-buffer-window-point
92 (set-window-point (get-buffer-window riece-channel-buffer)
93 riece-channel-buffer-window-point))
94 (set-window-point (get-buffer-window riece-channel-buffer)
96 (if (get-buffer-window riece-others-buffer)
97 (with-current-buffer riece-others-buffer
98 (unless (riece-frozen riece-others-buffer)
99 (set-window-point (get-buffer-window riece-others-buffer)
101 (if (get-buffer-window riece-dialogue-buffer)
102 (with-current-buffer riece-dialogue-buffer
103 (unless (riece-frozen riece-dialogue-buffer)
104 (set-window-point (get-buffer-window riece-dialogue-buffer)
107 (defun riece-reconfigure-windows-predicate ()
108 "Return t, if window reconfiguration is needed.
109 This function is used by \"default\" layout."
110 (memq (window-buffer (selected-window))
113 (defun riece-configure-windows (hpos vpos)
114 (let ((buffer (window-buffer))
116 (and riece-user-list-buffer-mode
117 riece-current-channel
118 ;; User list buffer is nuisance for private conversation.
119 (riece-channel-p (riece-identity-prefix
120 riece-current-channel)))))
121 ;; Can't expand minibuffer to full frame.
122 (if (eq (selected-window) (minibuffer-window))
124 (delete-other-windows)
125 (if (and riece-current-channel
126 (or show-user-list riece-channel-list-buffer-mode))
127 (let ((rest-window (split-window (selected-window)
130 (/ (window-width) 5))
131 (/ (window-width) 5))
133 (when (eq hpos 'left)
134 (setq rest-window (selected-window))
136 (if (and show-user-list riece-channel-list-buffer-mode)
138 (set-window-buffer (split-window)
139 riece-channel-list-buffer)
140 (set-window-buffer (selected-window)
141 riece-user-list-buffer))
143 (set-window-buffer (selected-window)
144 riece-user-list-buffer)
145 (if riece-channel-list-buffer-mode
146 (set-window-buffer (selected-window)
147 riece-channel-list-buffer))))
148 (select-window rest-window)))
149 (if (and riece-current-channel
150 riece-channel-buffer-mode)
153 (let ((rest-window (split-window nil 4)))
154 (set-window-buffer (selected-window)
155 riece-command-buffer)
156 (select-window rest-window)
157 (set-window-buffer (split-window rest-window)
159 (set-window-buffer (selected-window)
160 riece-channel-buffer))
161 (if (eq vpos 'middle)
162 (let ((rest-window (split-window)))
163 (set-window-buffer (selected-window)
164 riece-channel-buffer)
165 (set-window-buffer (split-window rest-window 4)
167 (set-window-buffer rest-window
168 riece-command-buffer))
169 (let ((rest-window (split-window nil (- (window-height) 4))))
170 (set-window-buffer (selected-window)
172 (set-window-buffer (split-window)
173 riece-channel-buffer)
174 (set-window-buffer rest-window
175 riece-command-buffer)))))
176 (if (eq vpos 'bottom)
178 (set-window-buffer (selected-window)
179 riece-command-buffer)
180 (set-window-buffer (split-window (selected-window) 4)
181 riece-dialogue-buffer))
182 (set-window-buffer (split-window (selected-window) 4)
183 riece-dialogue-buffer)
184 (set-window-buffer (selected-window)
185 riece-command-buffer)))
186 (riece-set-window-points)
187 (select-window (or (get-buffer-window buffer)
188 (get-buffer-window riece-command-buffer)))))
190 (defun riece-configure-windows-top (&rest plist)
191 "Candidate of `riece-configure-windows-function'.
192 PLIST accept :command-height, :user-list-width, and :channel-list-width."
193 (let ((command-height (or (plist-get plist :command-height) 4))
194 (user-list-width (or (plist-get plist :user-list-width) (+ 9 1 1)))
195 (channel-list-width (or (plist-get plist :channel-list-width) 18))
196 (buffer (window-buffer))
198 (and riece-user-list-buffer-mode
199 riece-current-channel
200 ;; User list buffer is nuisance for private conversation.
201 (riece-channel-p (riece-identity-prefix
202 riece-current-channel)))))
203 ;; Can't expand minibuffer to full frame.
204 (when (eq (selected-window) (minibuffer-window))
206 (delete-other-windows)
208 (let ((rest-window (split-window (selected-window) command-height)))
209 (set-window-buffer (selected-window)
210 riece-command-buffer)
211 (select-window rest-window))
212 ;; middle of frame (vertical-spilit when need)
213 (when (or (and riece-current-channel riece-channel-buffer-mode)
216 (split-window (selected-window)
217 (/ (* 5 (+ (window-height) command-height)) 8))))
219 ;; channel-buffer + user-list
221 (and riece-current-channel riece-channel-buffer-mode))
222 (let ((user-list-window (split-window (selected-window) nil t)))
223 (set-window-buffer (selected-window) riece-channel-buffer)
224 (set-window-buffer user-list-window riece-user-list-buffer)
225 (select-window user-list-window)
226 (shrink-window-horizontally (- (window-width) user-list-width))))
229 (set-window-buffer (selected-window) riece-user-list-buffer))
230 ;; only channel-buffer
231 (riece-channel-buffer-mode
232 (set-window-buffer (selected-window) riece-channel-buffer)))
233 (select-window rest-window)))
235 (if (and riece-current-channel
236 riece-channel-list-buffer-mode)
237 (let ((channel-list-window (split-window (selected-window) nil t)))
238 (set-window-buffer (selected-window) riece-others-buffer)
239 (set-window-buffer channel-list-window riece-channel-list-buffer)
240 (select-window channel-list-window)
241 (shrink-window-horizontally (- (window-width) channel-list-width)))
242 (set-window-buffer (selected-window) riece-dialogue-buffer))
243 (riece-set-window-points)
244 (select-window (or (get-buffer-window buffer)
245 (get-buffer-window riece-command-buffer)))))
247 (provide 'riece-layout)
249 ;;; riece-layout.el ends here