* riece-log.el (riece-log-flashback): Fixed custom spec.
[riece] / lisp / riece-display.el
index d29f785..2129482 100644 (file)
 (require 'riece-channel)
 (require 'riece-misc)
 (require 'riece-layout)
+(require 'riece-signal)
 
-(defvar riece-update-buffer-functions
-  '(riece-update-user-list-buffer
-    riece-update-channel-list-buffer
-    riece-update-status-indicators
+(autoload 'derived-mode-class "derived")
+
+(defvar riece-channel-buffer-format "*Channel:%s*"
+  "Format of channel message buffer.")
+(defvar riece-channel-buffer-alist nil
+  "An alist mapping identities to channel buffers.")
+
+(defvar riece-update-buffer-functions nil
+  "Functions to redisplay the buffer.
+Local to the buffer in `riece-buffer-list'.")
+
+(defvar riece-update-indicator-functions
+  '(riece-update-status-indicators
+    riece-update-channel-status-indicator
     riece-update-channel-indicator
-    riece-update-short-channel-indicator
-    riece-update-channel-list-indicator))
+    riece-update-long-channel-indicator
+    riece-update-channel-list-indicator)
+  "Functions to update modeline indicators.")
 
-(defvar riece-channel-list-changed nil)
+(defun riece-display-connect-signals ()
+  (riece-connect-signal
+   'channel-list-changed
+   (lambda (signal handback)
+     (save-excursion
+       (set-buffer riece-channel-list-buffer)
+       (run-hooks 'riece-update-buffer-functions))
+     (riece-update-channel-list-indicator)))
+  (riece-connect-signal
+   'user-list-changed
+   (lambda (signal handback)
+     (save-excursion
+       (set-buffer riece-user-list-buffer)
+       (run-hooks 'riece-update-buffer-functions)))
+   (lambda (signal)
+     (and riece-current-channel
+         (riece-identity-equal (car (riece-signal-args signal))
+                               riece-current-channel))))
+  (riece-connect-signal
+   'channel-switched
+   (lambda (signal handback)
+     (riece-update-status-indicators)
+     (riece-update-channel-status-indicator)
+     (riece-update-channel-indicator)
+     (riece-update-long-channel-indicator)
+     (force-mode-line-update t)
+     (riece-emit-signal 'channel-list-changed)
+     (riece-emit-signal 'user-list-changed riece-current-channel)
+     (save-excursion
+       (riece-redraw-layout))))
+  (riece-connect-signal
+   'user-joined-channel
+   (lambda (signal handback)
+     (riece-emit-signal 'user-list-changed riece-current-channel))
+   (lambda (signal)
+     (and riece-current-channel
+         (riece-identity-equal (nth 1 (riece-signal-args signal))
+                               riece-current-channel)
+         (not (riece-identity-equal (car (riece-signal-args signal))
+                                    (riece-current-nickname))))))
+  (riece-connect-signal
+   'user-joined-channel
+   (lambda (signal handback)
+     (riece-join-channel (nth 1 (riece-signal-args signal)))
+     (riece-switch-to-channel (nth 1 (riece-signal-args signal)))
+     (setq riece-join-channel-candidate nil))
+   (lambda (signal)
+     (riece-identity-equal (car (riece-signal-args signal))
+                          (riece-current-nickname))))
+  (riece-connect-signal
+   'user-left-channel
+   (lambda (signal handback)
+     (riece-emit-signal 'user-list-changed riece-current-channel))
+   (lambda (signal)
+     (and riece-current-channel
+         (riece-identity-equal (nth 1 (riece-signal-args signal))
+                               riece-current-channel)
+         (not (riece-identity-equal (car (riece-signal-args signal))
+                                    (riece-current-nickname))))))
+  (riece-connect-signal
+   'user-left-channel
+   (lambda (signal handback)
+     (riece-part-channel (nth 1 (riece-signal-args signal))))
+   (lambda (signal)
+     (riece-identity-equal (car (riece-signal-args signal))
+                          (riece-current-nickname))))
+  (riece-connect-signal
+   'user-renamed
+   (lambda (signal handback)
+     (riece-emit-signal 'user-list-changed riece-current-channel))
+   (lambda (signal)
+     (and riece-current-channel
+         (equal (riece-identity-server (nth 1 (riece-signal-args signal)))
+                (riece-identity-server riece-current-channel))
+         (riece-with-server-buffer (riece-identity-server
+                                    riece-current-channel)
+           (riece-identity-assoc
+            (riece-identity-prefix (nth 1 (riece-signal-args signal)))
+            (riece-channel-get-users (riece-identity-prefix
+                                      riece-current-channel))
+            t)))))
+  (riece-connect-signal
+   'user-renamed
+   (lambda (signal handback)
+     (riece-update-status-indicators)
+     (riece-update-channel-indicator)
+     (force-mode-line-update t))
+   (lambda (signal)
+     (riece-identity-equal (nth 1 (riece-signal-args signal))
+                          (riece-current-nickname))))
+  (riece-connect-signal
+   'user-renamed
+   (lambda (signal handback)
+     (riece-switch-to-channel (nth 1 (riece-signal-args signal))))
+   (lambda (signal)
+     (and riece-current-channel
+         (riece-identity-equal (car (riece-signal-args signal))
+                               riece-current-channel))))
+  (riece-connect-signal
+   'user-renamed
+   (lambda (signal handback)
+     (let* ((old-identity (car (riece-signal-args signal)))
+           (new-identity (nth 1 (riece-signal-args signal)))
+           (pointer (riece-identity-member old-identity
+                                           riece-current-channels)))
+       ;; Rename the channel buffer.
+       (when pointer
+        (setcar pointer new-identity)
+        (with-current-buffer (riece-channel-buffer old-identity)
+          (rename-buffer (riece-channel-buffer-name new-identity) t)
+          (setq riece-channel-buffer-alist
+                (cons (cons new-identity (current-buffer))
+                      (delq (riece-identity-assoc old-identity
+                                                  riece-channel-buffer-alist)
+                            riece-channel-buffer-alist))))))))
+  (riece-connect-signal
+   'user-away-changed
+   (lambda (signal handback)
+     (riece-update-status-indicators)
+     (force-mode-line-update t))
+   (lambda (signal)
+     (riece-identity-equal (car (riece-signal-args signal))
+                          (riece-current-nickname))))
+  (riece-connect-signal
+   'user-operator-changed
+   (lambda (signal handback)
+     (riece-update-status-indicators)
+     (force-mode-line-update t))
+   (lambda (signal)
+     (riece-identity-equal (car (riece-signal-args signal))
+                          (riece-current-nickname))))
+  (riece-connect-signal
+   'channel-topic-changed
+   (lambda (signal handback)
+     (riece-update-long-channel-indicator)
+     (force-mode-line-update t))
+   (lambda (signal)
+     (and riece-current-channel
+         (riece-identity-equal (car (riece-signal-args signal))
+                               riece-current-channel))))
+  (riece-connect-signal
+   'channel-modes-changed
+   (lambda (signal handback)
+     (riece-update-long-channel-indicator)
+     (force-mode-line-update t))
+   (lambda (signal)
+     (and riece-current-channel
+         (riece-identity-equal (car (riece-signal-args signal))
+                               riece-current-channel))))
+  (riece-connect-signal
+   'channel-operators-changed
+   (lambda (signal handback)
+     (riece-update-channel-status-indicator)
+     (riece-emit-signal 'user-list-changed riece-current-channel))
+   (lambda (signal)
+     (and riece-current-channel
+         (riece-identity-equal (car (riece-signal-args signal))
+                               riece-current-channel))))
+  (riece-connect-signal
+   'channel-speakers-changed
+   (lambda (signal handback)
+     (riece-update-channel-status-indicator)
+     (riece-emit-signal 'user-list-changed riece-current-channel))
+   (lambda (signal)
+     (and riece-current-channel
+         (riece-identity-equal (car (riece-signal-args signal))
+                               riece-current-channel))))
+  (riece-connect-signal
+   'buffer-freeze-changed
+   (lambda (signal handback)
+     (riece-update-status-indicators)
+     (force-mode-line-update t))))
 
 (defun riece-update-user-list-buffer ()
   (save-excursion
-    (set-buffer riece-user-list-buffer)
-    (when (and riece-current-channel
-              (riece-channel-p (riece-identity-prefix riece-current-channel)))
-      (let (users operators speakers)
-       (with-current-buffer (process-buffer (riece-server-process
-                                             (riece-identity-server
-                                              riece-current-channel)))
-         (setq users
-               (riece-channel-get-users
-                (riece-identity-prefix riece-current-channel))
-               operators
-               (riece-channel-get-operators
-                (riece-identity-prefix riece-current-channel))
-               speakers
-               (riece-channel-get-speakers
-                (riece-identity-prefix riece-current-channel))))
-       (let ((inhibit-read-only t)
-             buffer-read-only)
+    (if (and riece-current-channel
+            (riece-channel-p (riece-identity-prefix riece-current-channel)))
+       (let* ((users
+               (riece-with-server-buffer (riece-identity-server
+                                          riece-current-channel)
+                 (riece-channel-get-users (riece-identity-prefix
+                                           riece-current-channel))))
+              (inhibit-read-only t)
+              buffer-read-only)
          (erase-buffer)
+         (riece-kill-all-overlays)
          (while users
-           (if (member (car users) operators)
-               (insert "@" (car users) "\n")
-             (if (member (car users) speakers)
-                 (insert "+" (car users) "\n")
-               (insert " " (car users) "\n")))
-           (setq users (cdr users))))))))
+           (insert (if (memq ?o (cdr (car users)))
+                       "@"
+                     (if (memq ?v (cdr (car users)))
+                         "+"
+                       " "))
+                   (riece-format-identity
+                    (riece-make-identity (car (car users))
+                                         (riece-identity-server
+                                          riece-current-channel))
+                    t)
+                   "\n")
+           (setq users (cdr users)))))))
+
+(defun riece-format-identity-for-channel-list-buffer (index identity)
+  (or (run-hook-with-args-until-success
+       'riece-format-identity-for-channel-list-buffer-functions index identity)
+      (concat (format "%2d:%c" index
+                     (if (riece-identity-equal identity riece-current-channel)
+                         ?*
+                       ? ))
+             (riece-format-identity identity))))
 
 (defun riece-update-channel-list-buffer ()
-  (if riece-channel-list-changed
-      (save-excursion
-       (set-buffer riece-channel-list-buffer)
-       (let ((inhibit-read-only t)
-             buffer-read-only
-             (index 1)
-             (channels riece-current-channels))
-         (erase-buffer)
-         (while channels
-           (if (car channels)
-               (let ((point (point)))
-                 (insert (format "%2d: " index)
-                         (riece-format-identity (car channels))
-                         "\n")))
-           (setq index (1+ index)
-                 channels (cdr channels)))))))
+  (save-excursion
+    (let ((inhibit-read-only t)
+         buffer-read-only
+         (index 1)
+         (channels riece-current-channels))
+      (erase-buffer)
+      (riece-kill-all-overlays)
+      (while channels
+       (if (car channels)
+           (insert (riece-format-identity-for-channel-list-buffer
+                    index (car channels))
+                   "\n"))
+       (setq index (1+ index)
+             channels (cdr channels))))))
 
 (defun riece-update-channel-indicator ()
   (setq riece-channel-indicator
+       (if riece-current-channel
+           (riece-format-identity riece-current-channel)
+         "None")))
+
+(defun riece-update-long-channel-indicator ()
+  (setq riece-long-channel-indicator
        (if riece-current-channel
            (if (riece-channel-p (riece-identity-prefix riece-current-channel))
-               (riece-concat-channel-modes
+               (riece-concat-channel-topic
                 riece-current-channel
-                (riece-concat-channel-topic
+                (riece-concat-channel-modes
                  riece-current-channel
                  (riece-format-identity riece-current-channel)))
              (riece-format-identity riece-current-channel))
          "None")))
 
-(defun riece-update-short-channel-indicator ()
-  (setq riece-short-channel-indicator
-       (if riece-current-channel
-           (riece-format-identity riece-current-channel)
-         "None")))
+(defun riece-format-identity-for-channel-list-indicator (index identity)
+  (or (run-hook-with-args-until-success
+       'riece-format-identity-for-channel-list-indicator-functions
+       index identity)
+      (let ((string (riece-format-identity identity))
+           (start 0))
+       ;; Escape % -> %%.
+       (while (string-match "%" string start)
+         (setq start (1+ (match-end 0))
+               string (replace-match "%%" nil nil string)))
+       (format "%d:%s" index string))))
 
 (defun riece-update-channel-list-indicator ()
-  (if riece-channel-list-changed
-      (if (and riece-current-channels
-              ;; There is at least one channel.
-              (delq nil (copy-sequence riece-current-channels)))
-         (let ((index 1))
-           (setq riece-channel-list-indicator
-                 (mapconcat
-                  #'identity
-                  (delq nil
-                        (mapcar
-                         (lambda (channel)
-                           (prog1
-                               (if channel
-                                   (format "%d:%s" index
-                                           (riece-format-identity channel)))
-                             (setq index (1+ index))))
-                         riece-current-channels))
-                  ",")))
-       (setq riece-channel-list-indicator "No channel"))))
+  (if (and riece-current-channels
+          ;; There is at least one channel.
+          (delq nil (copy-sequence riece-current-channels)))
+      (let ((index 1)
+           pointer)
+       (setq riece-channel-list-indicator
+             (delq
+              nil
+              (mapcar
+               (lambda (channel)
+                 (prog1
+                     (if channel
+                         (riece-format-identity-for-channel-list-indicator
+                          index channel))
+                   (setq index (1+ index))))
+               riece-current-channels))
+             pointer riece-channel-list-indicator)
+       (while pointer
+         (if (cdr pointer)
+             (setcdr pointer (cons "," (cdr pointer))))
+         (setq pointer (cdr (cdr pointer)))))
+    (setq riece-channel-list-indicator "No channel")))
 
 (defun riece-update-status-indicators ()
-  (if riece-current-channel
-      (with-current-buffer riece-command-buffer
-       (riece-with-server-buffer (riece-identity-server riece-current-channel)
-         (setq riece-away-indicator
-               (if (and riece-real-nickname
-                        (riece-user-get-away riece-real-nickname))
-                   "A"
-                 "-")
-               riece-operator-indicator
-               (if (and riece-real-nickname
-                        (riece-user-get-operator riece-real-nickname))
-                   "O"
-                 "-")
-               riece-user-indicator riece-real-nickname))))
-  (setq riece-freeze-indicator
-       (with-current-buffer (if (and riece-channel-buffer-mode
-                                     riece-channel-buffer)
-                                riece-channel-buffer
-                              riece-dialogue-buffer)
-         (if (eq riece-freeze 'own)
-             "f"
-           (if riece-freeze
-               "F"
-             "-")))))
-
-(defun riece-update-buffers ()
-  (if riece-current-channel
-      (setq riece-channel-buffer (get-buffer (riece-channel-buffer-name
-                                             riece-current-channel))))
-  (run-hooks 'riece-update-buffer-functions)
-  (setq riece-channel-list-changed nil)
-  (force-mode-line-update t))
+  (let ((server-name (riece-current-server-name)))
+    (if server-name
+       (with-current-buffer riece-command-buffer
+         (riece-with-server-buffer server-name
+           (setq riece-away-indicator
+                 (if (and riece-real-nickname
+                          (riece-user-get-away riece-real-nickname))
+                     "A"
+                   "-")
+                 riece-operator-indicator
+                 (if (and riece-real-nickname
+                          (riece-user-get-operator riece-real-nickname))
+                     "O"
+                   "-")
+                 riece-user-indicator
+                 (riece-format-identity
+                  (riece-make-identity riece-real-nickname riece-server-name)
+                  t))))))
+  (walk-windows
+   (lambda (window)
+     (with-current-buffer (window-buffer window)
+       (if (eq (derived-mode-class major-mode)
+              'riece-dialogue-mode)
+          (setq riece-freeze-indicator
+                (if (eq riece-freeze 'own)
+                    "f"
+                  (if riece-freeze
+                      "F"
+                    "-"))))))))
+
+(defun riece-update-channel-status-indicator ()
+  (if (and riece-current-channel
+          (riece-channel-p (riece-identity-prefix riece-current-channel)))
+      (let ((users
+            (riece-with-server-buffer (riece-identity-server
+                                       riece-current-channel)
+              (riece-channel-get-users (riece-identity-prefix
+                                        riece-current-channel))))
+           (nickname
+            (riece-with-server-buffer (riece-identity-server
+                                       riece-current-channel)
+              riece-real-nickname)))
+       (with-current-buffer riece-command-buffer
+         (setq riece-channel-status-indicator
+               (if nickname
+                   (let ((user (cdr (riece-identity-assoc nickname users t))))
+                     (if (memq ?o user)
+                         "@"
+                       (if (memq ?v user)
+                           "+"
+                         "-")))
+                 "-"))))))
+
+(defun riece-update-buffers (&optional buffers)
+  (unless buffers
+    (setq buffers riece-buffer-list))
+  (while buffers
+    (if (buffer-live-p (car buffers))
+       (save-excursion
+         (set-buffer (car buffers))
+         (run-hooks 'riece-update-buffer-functions)))
+    (setq buffers (cdr buffers)))
+  (run-hooks 'riece-update-indicator-functions)
+  (force-mode-line-update t)
+  (run-hooks 'riece-update-buffer-hook))
 
 (defun riece-channel-buffer-name (identity)
   (let ((channels (riece-identity-member identity riece-current-channels)))
   (autoload 'riece-channel-mode "riece"))
 (defun riece-channel-buffer-create (identity)
   (with-current-buffer
-      (riece-get-buffer-create (riece-channel-buffer-name identity))
+      (riece-get-buffer-create (riece-channel-buffer-name identity)
+                              'riece-channel-mode)
+    (setq riece-channel-buffer-alist
+         (cons (cons identity (current-buffer))
+               riece-channel-buffer-alist))
     (unless (eq major-mode 'riece-channel-mode)
       (riece-channel-mode)
       (let (buffer-read-only)
        (run-hook-with-args 'riece-channel-buffer-create-functions identity)))
     (current-buffer)))
 
+(defun riece-channel-buffer (identity)
+  (cdr (riece-identity-assoc identity riece-channel-buffer-alist)))
+
 (defun riece-switch-to-channel (identity)
-  (let ((last riece-current-channel))
-    (setq riece-current-channel identity)
-    (run-hook-with-args 'riece-after-switch-to-channel-functions last)))
+  (let ((last riece-current-channel)
+       window)
+    (if (and riece-channel-buffer
+            (setq window (get-buffer-window riece-channel-buffer)))
+       (with-current-buffer riece-channel-buffer
+         (setq riece-channel-buffer-window-point (window-point window))))
+    (setq riece-current-channel identity
+         riece-channel-buffer (riece-channel-buffer riece-current-channel))
+    (run-hook-with-args 'riece-after-switch-to-channel-functions last)
+    (riece-emit-signal 'channel-switched)))
 
 (defun riece-join-channel (identity)
   (unless (riece-identity-member identity riece-current-channels)
              (if channel
                  (riece-parse-identity channel)))
            riece-default-channel-binding)))
-    (riece-channel-buffer-create identity)
-    (setq riece-channel-list-changed t)))
+    (riece-channel-buffer-create identity)))
 
 (defun riece-switch-to-nearest-channel (pointer)
   (let ((start riece-current-channels)
        (riece-switch-to-channel identity)
       (let ((last riece-current-channel))
        (run-hook-with-args 'riece-after-switch-to-channel-functions last)
-       (setq riece-current-channel nil)))))
+       (setq riece-current-channel nil)
+       (riece-emit-signal 'channel-switched)))))
 
 (defun riece-part-channel (identity)
   (let ((pointer (riece-identity-member identity riece-current-channels)))
        (setcar pointer nil))
     (if (riece-identity-equal identity riece-current-channel)
        (riece-switch-to-nearest-channel pointer))
-    (setq riece-channel-list-changed t)))
+    (funcall riece-buffer-dispose-function (riece-channel-buffer identity))))
 
 (defun riece-redisplay-buffers (&optional force)
   (riece-update-buffers)