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)
88 (defun riece-reconfigure-windows-predicate ()
89 "Return t, if window reconfiguration is needed.
90 This function is used by \"default\" layout."
91 (memq (window-buffer (selected-window))
94 (defun riece-configure-windows (hpos vpos)
95 (let ((buffer (window-buffer))
97 (and riece-user-list-buffer-mode
99 ;; User list buffer is nuisance for private conversation.
100 (riece-channel-p (riece-identity-prefix
101 riece-current-channel)))))
102 ;; Can't expand minibuffer to full frame.
103 (if (eq (selected-window) (minibuffer-window))
105 (delete-other-windows)
106 (if (and riece-current-channel
107 (or show-user-list riece-channel-list-buffer-mode))
108 (let ((rest-window (split-window (selected-window)
111 (/ (window-width) 5))
112 (/ (window-width) 5))
114 (when (eq hpos 'left)
115 (setq rest-window (selected-window))
117 (if (and show-user-list riece-channel-list-buffer-mode)
119 (set-window-buffer (split-window)
120 riece-channel-list-buffer)
121 (set-window-buffer (selected-window)
122 riece-user-list-buffer))
124 (set-window-buffer (selected-window)
125 riece-user-list-buffer)
126 (if riece-channel-list-buffer-mode
127 (set-window-buffer (selected-window)
128 riece-channel-list-buffer))))
129 (select-window rest-window)))
130 (if (and riece-current-channel
131 riece-channel-buffer-mode)
134 (let ((rest-window (split-window nil 4)))
135 (set-window-buffer (selected-window)
136 riece-command-buffer)
137 (select-window rest-window)
138 (set-window-buffer (split-window rest-window)
140 (set-window-buffer (selected-window)
141 riece-channel-buffer))
142 (if (eq vpos 'middle)
143 (let ((rest-window (split-window)))
144 (set-window-buffer (selected-window)
145 riece-channel-buffer)
146 (set-window-buffer (split-window rest-window 4)
148 (set-window-buffer rest-window
149 riece-command-buffer))
150 (let ((rest-window (split-window nil (- (window-height) 4))))
151 (set-window-buffer (selected-window)
153 (set-window-buffer (split-window)
154 riece-channel-buffer)
155 (set-window-buffer rest-window
156 riece-command-buffer))))
157 (with-current-buffer riece-channel-buffer
158 (setq truncate-partial-width-windows nil))
159 (with-current-buffer riece-others-buffer
160 (setq truncate-partial-width-windows nil)))
161 (if (eq vpos 'bottom)
163 (set-window-buffer (selected-window)
164 riece-command-buffer)
165 (set-window-buffer (split-window (selected-window) 4)
166 riece-dialogue-buffer))
167 (set-window-buffer (split-window (selected-window) 4)
168 riece-dialogue-buffer)
169 (set-window-buffer (selected-window)
170 riece-command-buffer)))
171 (riece-set-window-points)
172 (select-window (or (get-buffer-window buffer)
173 (get-buffer-window riece-command-buffer)))))
175 (defun riece-configure-windows-top (&optional plist)
176 "Candidate of `riece-configure-windows-function'.
177 PLIST accept :command-height, :user-list-width, and :channel-list-width."
178 (let ((command-height (or (plist-get plist :command-height) 4))
179 (user-list-width (or (plist-get plist :user-list-width) (+ 9 1 1)))
180 (channel-list-width (or (plist-get plist :channel-list-width) 18))
181 (buffer (window-buffer))
183 (and riece-user-list-buffer-mode
184 riece-current-channel
185 ;; User list buffer is nuisance for private conversation.
186 (riece-channel-p (riece-identity-prefix
187 riece-current-channel)))))
188 ;; Can't expand minibuffer to full frame.
189 (when (eq (selected-window) (minibuffer-window))
191 (delete-other-windows)
193 (let ((rest-window (split-window (selected-window) command-height)))
194 (set-window-buffer (selected-window)
195 riece-command-buffer)
196 (select-window rest-window))
197 ;; middle of frame (vertical-spilit when need)
198 (when (or (and riece-current-channel riece-channel-buffer-mode)
201 (split-window (selected-window)
202 (/ (* 5 (+ (window-height) command-height)) 8))))
204 ;; channel-buffer + user-list
206 (and riece-current-channel riece-channel-buffer-mode))
207 (let ((user-list-window (split-window (selected-window) nil t)))
208 (set-window-buffer (selected-window) riece-channel-buffer)
209 (set-window-buffer user-list-window riece-user-list-buffer)
210 (select-window user-list-window)
211 (shrink-window-horizontally (- (window-width) user-list-width))
212 (setq truncate-partial-width-windows nil)))
215 (set-window-buffer (selected-window) riece-user-list-buffer))
216 ;; only channel-buffer
217 (riece-channel-buffer-mode
218 (set-window-buffer (selected-window) riece-channel-buffer)))
219 (select-window rest-window)))
221 (if (and riece-current-channel
222 riece-channel-list-buffer-mode)
223 (let ((channel-list-window (split-window (selected-window) nil t)))
224 (set-window-buffer (selected-window) riece-others-buffer)
225 (set-window-buffer channel-list-window riece-channel-list-buffer)
226 (select-window channel-list-window)
227 (shrink-window-horizontally (- (window-width) channel-list-width))
228 (setq truncate-partial-width-windows nil))
229 (set-window-buffer (selected-window) riece-dialogue-buffer))
230 (riece-set-window-points)
231 (select-window (or (get-buffer-window buffer)
232 (get-buffer-window riece-command-buffer)))))
234 (provide 'riece-layout)
236 ;;; riece-layout.el ends here