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         (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)
  95                             (point-max)))))
  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)
 100                             (point-max)))))
 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)
 105                             (point-max))))))
 106
 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))
 111         riece-buffer-list))
 112
 113 (defun riece-configure-windows (hpos vpos)
 114   (let ((buffer (window-buffer))
 115         (show-user-list
 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))
 123         (other-window 1))
 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)
 128                                          (if (eq hpos 'left)
 129                                              (- (window-width)
 130                                                 (/ (window-width) 5))
 131                                            (/ (window-width) 5))
 132                                          t)))
 133           (when (eq hpos 'left)
 134             (setq rest-window (selected-window))
 135             (other-window 1))
 136           (if (and show-user-list riece-channel-list-buffer-mode)
 137               (progn
 138                 (set-window-buffer (split-window)
 139                                    riece-channel-list-buffer)
 140                 (set-window-buffer (selected-window)
 141                                    riece-user-list-buffer))
 142             (if show-user-list
 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)
 151         (progn
 152           (if (eq vpos 'top)
 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)
 158                                    riece-others-buffer)
 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)
 166                                      riece-others-buffer)
 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)
 171                                    riece-others-buffer)
 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)
 177           (progn
 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)))))
 189
 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))
 197         (show-user-list
 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))
 205       (other-window 1))
 206     (delete-other-windows)
 207     ;; top of frame
 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)
 214               show-user-list)
 215       (let ((rest-window
 216              (split-window (selected-window)
 217                            (/ (* 5 (+ (window-height) command-height)) 8))))
 218         (cond
 219          ;; channel-buffer + user-list
 220          ((and show-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))))
 227          ;; only user-list
 228          (show-user-list
 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)))
 234     ;; bottom of frame
 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)))))
 246
 247 (provide 'riece-layout)
 248
 249 ;;; riece-layout.el ends here