cgit.sxemacs.org Git - packages/blob - xemacs-packages/riece/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., 51 Franklin Street, Fifth Floor,
  23 ;; Boston, MA 02110-1301, USA.
  24
  25 ;;; Code:
  26
  27 (require 'riece-globals)
  28 (require 'riece-misc)
  29
  30 (defgroup riece-layout nil
  31   "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     ("spiral" riece-configure-windows-spiral)
  49     ("default" . "middle-right"))
  50   "An alist mapping the names to layout functions.
  51 An element of this alist is either in the following forms:
  52
  53 \(NAME CONFIGURE-FUNCTION [PARAMETERS]\)
  54 \(NAME1 . NAME2\)
  55
  56 In the first form, NAME is a string which specifies the layout
  57 setting, and CONFIGURE-FUNCTION is a function which does window
  58 splitting, etc.  PARAMETERS are collected and passed to CONFIGURE-FUNCTION.
  59 In the second form, NAME1 is an alias for NAME2."
  60   :type 'list
  61   :group 'riece-layout)
  62
  63 (defun riece-redraw-layout (&optional force)
  64   "Reconfigure windows with the current layout.
  65 If optional argument FORCE is non-nil, window reconfiguration will
  66 happen unconditionally."
  67   (let ((layout (cdr (assoc riece-layout riece-layout-alist))))
  68     (unless layout
  69       (error "No such layout!"))
  70     (if (stringp layout)
  71         (let ((riece-layout layout))
  72           (riece-redraw-layout force))
  73       (if (or force
  74               (riece-reconfigure-windows-predicate))
  75           (apply (car layout) (cdr layout))))))
  76
  77 (defun riece-set-window-points ()
  78   (if (get-buffer-window riece-user-list-buffer)
  79       (with-current-buffer riece-user-list-buffer
  80         (unless (riece-frozen riece-user-list-buffer)
  81           (set-window-start (get-buffer-window riece-user-list-buffer)
  82                             (point-min)))))
  83   (if (get-buffer-window riece-channel-list-buffer)
  84       (with-current-buffer riece-channel-list-buffer
  85         (unless (riece-frozen riece-channel-list-buffer)
  86           (set-window-start (get-buffer-window riece-channel-list-buffer)
  87                             (point-min)))))
  88   (if (and riece-channel-buffer
  89            (get-buffer-window riece-channel-buffer))
  90       (with-current-buffer riece-channel-buffer
  91         (if (riece-frozen riece-channel-buffer)
  92             (if riece-channel-buffer-window-point
  93                 (set-window-point (get-buffer-window riece-channel-buffer)
  94                                   riece-channel-buffer-window-point))
  95           (set-window-point (get-buffer-window riece-channel-buffer)
  96                             (point-max)))))
  97   (if (get-buffer-window riece-others-buffer)
  98       (with-current-buffer riece-others-buffer
  99         (unless (riece-frozen 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 (riece-frozen riece-dialogue-buffer)
 105           (set-window-point (get-buffer-window riece-dialogue-buffer)
 106                             (point-max))))))
 107
 108 (defun riece-reconfigure-windows-predicate ()
 109   "Return t, if window reconfiguration is needed.
 110 This function is used by \"default\" layout."
 111   (memq (window-buffer (selected-window))
 112         riece-buffer-list))
 113
 114 (defun riece-configure-windows (hpos vpos)
 115   (let ((buffer (window-buffer))
 116         (show-user-list
 117          (and riece-user-list-buffer-mode
 118               riece-current-channel
 119               ;; User list buffer is nuisance for private conversation.
 120               (riece-channel-p (riece-identity-prefix
 121                                 riece-current-channel)))))
 122     ;; Can't expand minibuffer to full frame.
 123     (if (eq (selected-window) (minibuffer-window))
 124         (other-window 1))
 125     (delete-other-windows)
 126     (if (and riece-current-channel
 127              (or show-user-list riece-channel-list-buffer-mode))
 128         (let ((rest-window (split-window (selected-window)
 129                                          (if (eq hpos 'left)
 130                                              (- (window-width)
 131                                                 (/ (window-width) 5))
 132                                            (/ (window-width) 5))
 133                                          t)))
 134           (when (eq hpos 'left)
 135             (setq rest-window (selected-window))
 136             (other-window 1))
 137           (if (and show-user-list riece-channel-list-buffer-mode)
 138               (progn
 139                 (set-window-buffer (split-window)
 140                                    riece-channel-list-buffer)
 141                 (set-window-buffer (selected-window)
 142                                    riece-user-list-buffer))
 143             (if show-user-list
 144                 (set-window-buffer (selected-window)
 145                                    riece-user-list-buffer)
 146               (if riece-channel-list-buffer-mode
 147                   (set-window-buffer (selected-window)
 148                                      riece-channel-list-buffer))))
 149           (select-window rest-window)))
 150     (if (and riece-current-channel
 151              riece-channel-buffer-mode)
 152         (progn
 153           (if (eq vpos 'top)
 154               (let ((rest-window (split-window nil 4)))
 155                 (set-window-buffer (selected-window)
 156                                    riece-command-buffer)
 157                 (select-window rest-window)
 158                 (if riece-others-buffer-mode
 159                     (set-window-buffer (split-window rest-window)
 160                                        riece-others-buffer))
 161                 (set-window-buffer (selected-window)
 162                                    riece-channel-buffer))
 163             (if (and (eq vpos 'middle)
 164                      riece-others-buffer-mode)
 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                 (if riece-others-buffer-mode
 174                     (progn
 175                       (set-window-buffer (selected-window)
 176                                          riece-others-buffer)
 177                       (set-window-buffer (split-window)
 178                                          riece-channel-buffer))
 179                   (set-window-buffer (selected-window)
 180                                      riece-channel-buffer))
 181                 (set-window-buffer rest-window
 182                                    riece-command-buffer)))))
 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          ;; only user-list
 235          (show-user-list
 236           (set-window-buffer (selected-window) riece-user-list-buffer))
 237          ;; only channel-buffer
 238          (riece-channel-buffer-mode
 239           (set-window-buffer (selected-window) riece-channel-buffer)))
 240         (select-window rest-window)))
 241     ;; bottom of frame
 242     (if (and riece-current-channel
 243              riece-channel-list-buffer-mode)
 244         (let ((channel-list-window (split-window (selected-window) nil t)))
 245           (set-window-buffer (selected-window) riece-others-buffer)
 246           (set-window-buffer channel-list-window riece-channel-list-buffer)
 247           (select-window channel-list-window)
 248           (shrink-window-horizontally (- (window-width) channel-list-width)))
 249       (set-window-buffer (selected-window) riece-dialogue-buffer))
 250     (riece-set-window-points)
 251     (select-window (or (get-buffer-window buffer)
 252                        (get-buffer-window riece-command-buffer)))))
 253
 254 ;; +---+-------------------+---+
 255 ;; | c | channel           | u |
 256 ;; | h |                   | s |
 257 ;; | a |                   | e |
 258 ;; | n |-------------------+ r |   | +---+
 259 ;; | n | command           | s |   | |   |
 260 ;; | e +-------------------+---+   | +-> |
 261 ;; | l | others                |   +-----+
 262 ;; | s |                       |
 263 ;; +---+-----------------------+
 264 (defun riece-configure-windows-spiral ()
 265   "spiral placement of windows"
 266 ;;  (interactive)
 267   (let ((command-height 4)
 268         (users-width    15)
 269         (channels-width 30)
 270         (buffer         (window-buffer)))
 271     (when (eq (selected-window) (minibuffer-window)) (other-window 1))
 272     (delete-other-windows)
 273
 274     ;; (1) create channels window
 275     (let ((rest (split-window (selected-window) channels-width t)))
 276       (set-window-buffer (selected-window) riece-channel-list-buffer)
 277       (select-window rest))
 278
 279     ;; (2) create others window
 280     (set-window-buffer (split-window (selected-window)
 281                                      (+ (/ (window-height) 2)
 282                                         command-height))
 283                        riece-others-buffer)
 284
 285     ;; (3) create users window
 286     (set-window-buffer (split-window (selected-window)
 287                                      (- (window-width) users-width) t)
 288                        riece-user-list-buffer)
 289
 290     ;; (4) create current channel window
 291     (let ((rest (split-window (selected-window)
 292                               (- (window-height) command-height))))
 293       (set-window-buffer rest riece-command-buffer)
 294       (set-window-buffer (selected-window) riece-channel-buffer))
 295
 296     (riece-set-window-points)
 297     (select-window (or (get-buffer-window buffer)
 298                        (get-buffer-window riece-command-buffer)))))
 299
 300 (provide 'riece-layout)
 301
 302 ;;; riece-layout.el ends here