cgit.sxemacs.org Git - riece/blob - lisp/riece-layout.el

   1 ;;; riece-layout.el --- layout management
   2 ;; Copyright (C) 1998-2003 Daiki Ueno
   3
   4 ;; Author: Daiki Ueno <ueno@unixuser.org>
   5 ;;      TAKAHASHI "beatmaria" Kaoru <kaoru@kaisei.org>
   6 ;; Keywords: IRC, riece
   7
   8 ;; This file is part of Riece.
   9
  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)
  13 ;; any later version.
  14
  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.
  19
  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.
  24
  25 ;;; Code:
  26
  27 (require 'riece-globals)
  28 (require 'riece-misc)
  29
  30 (defgroup riece-layout nil
  31   "Manage window layouts"
  32   :prefix "riece-"
  33   :group 'riece)
  34
  35 (defcustom riece-layout "default"
  36   "Current layout setting."
  37   :type 'string
  38   :group 'riece-layout)
  39
  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:
  51
  52 (NAME CONFIGURE-FUNCTION [PARAMETERS])
  53 (NAME1 . NAME2)
  54
  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."
  59   :type 'list
  60   :group 'riece-layout)
  61
  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))))
  67     (unless layout
  68       (error "No such layout!"))
  69     (if (stringp layout)
  70         (let ((riece-layout layout))
  71           (riece-redraw-layout force))
  72       (if (or force
  73               (riece-reconfigure-windows-predicate))
  74           (apply (car layout) (cdr layout))))))
  75
  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)
  81                             (point-min)))))
  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)
  86                             (point-min)))))
  87   (if (and riece-channel-buffer
  88            (get-buffer-window riece-channel-buffer))
  89       (with-current-buffer riece-channel-buffer
  90         (unless (or (riece-frozen riece-channel-buffer)
  91                     (pos-visible-in-window-p
  92                      (point-max) (get-buffer-window riece-channel-buffer)))
  93           (set-window-point (get-buffer-window riece-channel-buffer)
  94                             (point-max)))))
  95   (if (get-buffer-window riece-others-buffer)
  96       (with-current-buffer riece-others-buffer
  97         (unless (or (riece-frozen riece-others-buffer)
  98                     (pos-visible-in-window-p
  99                      (point-max) (get-buffer-window riece-others-buffer)))
 100           (set-window-point (get-buffer-window riece-others-buffer)
 101                             (point-max)))))
 102   (if (get-buffer-window riece-dialogue-buffer)
 103       (with-current-buffer riece-dialogue-buffer
 104         (unless (or (riece-frozen riece-dialogue-buffer)
 105                     (pos-visible-in-window-p
 106                      (point-max) (get-buffer-window riece-dialogue-buffer)))
 107           (set-window-point (get-buffer-window riece-dialogue-buffer)
 108                             (point-max))))))
 109
 110 (defun riece-reconfigure-windows-predicate ()
 111   "Return t, if window reconfiguration is needed.
 112 This function is used by \"default\" layout."
 113   (memq (window-buffer (selected-window))
 114         riece-buffer-list))
 115
 116 (defun riece-configure-windows (hpos vpos)
 117   (let ((buffer (window-buffer))
 118         (show-user-list
 119          (and riece-user-list-buffer-mode
 120               riece-current-channel
 121               ;; User list buffer is nuisance for private conversation.
 122               (riece-channel-p (riece-identity-prefix
 123                                 riece-current-channel)))))
 124     ;; Can't expand minibuffer to full frame.
 125     (if (eq (selected-window) (minibuffer-window))
 126         (other-window 1))
 127     (delete-other-windows)
 128     (if (and riece-current-channel
 129              (or show-user-list riece-channel-list-buffer-mode))
 130         (let ((rest-window (split-window (selected-window)
 131                                          (if (eq hpos 'left)
 132                                              (- (window-width)
 133                                                 (/ (window-width) 5))
 134                                            (/ (window-width) 5))
 135                                          t)))
 136           (when (eq hpos 'left)
 137             (setq rest-window (selected-window))
 138             (other-window 1))
 139           (if (and show-user-list riece-channel-list-buffer-mode)
 140               (progn
 141                 (set-window-buffer (split-window)
 142                                    riece-channel-list-buffer)
 143                 (set-window-buffer (selected-window)
 144                                    riece-user-list-buffer))
 145             (if show-user-list
 146                 (set-window-buffer (selected-window)
 147                                    riece-user-list-buffer)
 148               (if riece-channel-list-buffer-mode
 149                   (set-window-buffer (selected-window)
 150                                      riece-channel-list-buffer))))
 151           (select-window rest-window)))
 152     (if (and riece-current-channel
 153              riece-channel-buffer-mode)
 154         (progn
 155           (if (eq vpos 'top)
 156               (let ((rest-window (split-window nil 4)))
 157                 (set-window-buffer (selected-window)
 158                                    riece-command-buffer)
 159                 (select-window rest-window)
 160                 (set-window-buffer (split-window rest-window)
 161                                    riece-others-buffer)
 162                 (set-window-buffer (selected-window)
 163                                    riece-channel-buffer))
 164             (if (eq vpos 'middle)
 165                 (let ((rest-window (split-window)))
 166                   (set-window-buffer (selected-window)
 167                                      riece-channel-buffer)
 168                   (set-window-buffer (split-window rest-window 4)
 169                                      riece-others-buffer)
 170                   (set-window-buffer rest-window
 171                                      riece-command-buffer))
 172               (let ((rest-window (split-window nil (- (window-height) 4))))
 173                 (set-window-buffer (selected-window)
 174                                    riece-others-buffer)
 175                 (set-window-buffer (split-window)
 176                                    riece-channel-buffer)
 177                 (set-window-buffer rest-window
 178                                    riece-command-buffer))))
 179           (with-current-buffer riece-channel-buffer
 180             (setq truncate-partial-width-windows nil))
 181           (with-current-buffer riece-others-buffer
 182             (setq truncate-partial-width-windows nil)))
 183       (if (eq vpos 'bottom)
 184           (progn
 185             (set-window-buffer (selected-window)
 186                                riece-command-buffer)
 187             (set-window-buffer (split-window (selected-window) 4)
 188                                riece-dialogue-buffer))
 189         (set-window-buffer (split-window (selected-window) 4)
 190                            riece-dialogue-buffer)
 191         (set-window-buffer (selected-window)
 192                            riece-command-buffer)))
 193     (riece-set-window-points)
 194     (select-window (or (get-buffer-window buffer)
 195                        (get-buffer-window riece-command-buffer)))))
 196
 197 (defun riece-configure-windows-top (&rest plist)
 198   "Candidate of `riece-configure-windows-function'.
 199 PLIST accept :command-height, :user-list-width, and :channel-list-width."
 200   (let ((command-height (or (plist-get plist :command-height) 4))
 201         (user-list-width (or (plist-get plist :user-list-width) (+ 9 1 1)))
 202         (channel-list-width (or (plist-get plist :channel-list-width) 18))
 203         (buffer (window-buffer))
 204         (show-user-list
 205          (and riece-user-list-buffer-mode
 206               riece-current-channel
 207               ;; User list buffer is nuisance for private conversation.
 208               (riece-channel-p (riece-identity-prefix
 209                                 riece-current-channel)))))
 210     ;; Can't expand minibuffer to full frame.
 211     (when (eq (selected-window) (minibuffer-window))
 212       (other-window 1))
 213     (delete-other-windows)
 214     ;; top of frame
 215     (let ((rest-window (split-window (selected-window) command-height)))
 216       (set-window-buffer (selected-window)
 217                          riece-command-buffer)
 218       (select-window rest-window))
 219     ;; middle of frame (vertical-spilit when need)
 220     (when (or (and riece-current-channel riece-channel-buffer-mode)
 221               show-user-list)
 222       (let ((rest-window
 223              (split-window (selected-window)
 224                            (/ (* 5 (+ (window-height) command-height)) 8))))
 225         (cond
 226          ;; channel-buffer + user-list
 227          ((and show-user-list
 228                (and riece-current-channel riece-channel-buffer-mode))
 229           (let ((user-list-window (split-window (selected-window) nil t)))
 230             (set-window-buffer (selected-window) riece-channel-buffer)
 231             (set-window-buffer user-list-window riece-user-list-buffer)
 232             (select-window user-list-window)
 233             (shrink-window-horizontally (- (window-width) user-list-width))
 234             (setq truncate-partial-width-windows nil)))
 235          ;; only user-list
 236          (show-user-list
 237           (set-window-buffer (selected-window) riece-user-list-buffer))
 238          ;; only channel-buffer
 239          (riece-channel-buffer-mode
 240           (set-window-buffer (selected-window) riece-channel-buffer)))
 241         (select-window rest-window)))
 242     ;; bottom of frame
 243     (if (and riece-current-channel
 244              riece-channel-list-buffer-mode)
 245         (let ((channel-list-window (split-window (selected-window) nil t)))
 246           (set-window-buffer (selected-window) riece-others-buffer)
 247           (set-window-buffer channel-list-window riece-channel-list-buffer)
 248           (select-window channel-list-window)
 249           (shrink-window-horizontally (- (window-width) channel-list-width))
 250           (setq truncate-partial-width-windows nil))
 251       (set-window-buffer (selected-window) riece-dialogue-buffer))
 252     (riece-set-window-points)
 253     (select-window (or (get-buffer-window buffer)
 254                        (get-buffer-window riece-command-buffer)))))
 255
 256 (provide 'riece-layout)
 257
 258 ;;; riece-layout.el ends here