Remove local hooks.
[riece] / lisp / riece-button.el
index 4a2867c..ba15859 100644 (file)
@@ -1,4 +1,4 @@
-;;; riece-button.el --- adding buttons in channel buffers
+;;; riece-button.el --- display useful buttons in IRC buffers
 ;; Copyright (C) 1998-2003 Daiki Ueno
 
 ;; Author: Daiki Ueno <ueno@unixuser.org>
@@ -24,8 +24,7 @@
 
 ;;; Commentary:
 
-;; To use, add the following line to your ~/.riece/init.el:
-;; (add-to-list 'riece-addons 'riece-button)
+;; NOTE: This is an add-on module for Riece.
 
 ;;; Code:
 
 
 (defconst riece-user-button-popup-menu
   '("User"
+    ["Finger (WHOIS)" riece-user-button-finger]
     ["Start Private Conversation" riece-user-button-join-partner]
-    ["Give Channel Operator Privileges" riece-user-button-set-operators]
-    ["Allow To Speak" riece-user-button-set-speakers]
-    ["Finger (WHOIS)" riece-user-button-finger])
+    ["Set +o" riece-user-button-set-operators]
+    ["Set +v" riece-user-button-set-speakers])
   "Menu for user buttons.")
 
+(defvar riece-button-enabled nil)
+
+(defconst riece-button-description
+  "Display useful buttons in IRC buffers.")
+
 (defvar help-echo-owns-message)
 (define-widget 'riece-identity-button 'push-button
   "A channel button."
@@ -65,8 +69,8 @@
            ;; window, overlay, position.
            (riece-format-identity
             (if overlay
-                (with-current-buffer (overlay-buffer overlay)
-                  (widget-value (widget-at (overlay-start overlay))))
+                (with-current-buffer (riece-overlay-buffer overlay)
+                  (widget-value (widget-at (riece-overlay-start overlay))))
               (widget-value widget/window))))))
 
 (defun riece-button-switch-to-identity (widget &optional event)
@@ -78,9 +82,31 @@ This function is used as a callback for a channel button."
       (message "%s" (substitute-command-keys
                     "Type \\[riece-command-join] to join the channel")))))
 
+(defun riece-identity-button-click (event)
+  "Call widget-button-click and select the last selected window."
+  (interactive "e")                    ;widget-button-click has
+                                       ;interactive spec "@e"
+  (let ((buffer (current-buffer))
+       (point (point))
+       window)
+    (unwind-protect
+       (save-excursion
+         (set-buffer (riece-event-buffer event))
+         (goto-char (riece-event-point event))
+         (widget-button-click event))
+      ;; riece-button-switch-to-identity changes window-configuration
+      ;; so we must select the last selected window by _buffer_.
+      (if (setq window (get-buffer-window buffer))
+         (progn
+           (select-window window)
+           (set-window-point window point))
+       (if riece-debug
+           (riece-debug (format "buffer %s not visible"
+                                (buffer-name buffer))))))))
+
 (defun riece-identity-button-popup-menu (event)
   "Popup the menu for identity buttons."
-  (interactive "@e")
+  (interactive "e")
   (save-excursion
     (set-buffer (riece-event-buffer event))
     (goto-char (riece-event-point event))
@@ -113,151 +139,181 @@ This function is used as a callback for a channel button."
 
 (defun riece-user-button-set-operators ()
   (interactive)
-  (let (group)
+  (let (group users)
     (if (riece-region-active-p)
        (save-excursion
-         (riece-button-map-identity-region
+         (riece-scan-property-region
+          'riece-identity
           (region-beginning) (region-end)
           (lambda (start end)
             (setq group (cons (get-text-property start 'riece-identity)
                               group)))))
       (setq group (list (get-text-property (point) 'riece-identity))))
+    (setq users (riece-with-server-buffer
+                   (riece-identity-server riece-current-channel)
+                 (riece-channel-get-users (riece-identity-prefix
+                                           riece-current-channel))))
     (if (setq group
              (delq nil
                    (mapcar
                     (lambda (identity)
-                      (riece-with-server-buffer (riece-identity-server
-                                                 riece-current-channel)
-                        (if (and (member
-                                  (riece-identity-prefix identity)
-                                  (riece-channel-get-users
-                                   (riece-identity-prefix
-                                    riece-current-channel)))
-                                 (not (member
-                                       (riece-identity-prefix identity)
-                                       (riece-channel-get-operators
-                                        (riece-identity-prefix
-                                         riece-current-channel)))))
-                            identity)))
+                      (unless (memq ?o (cdr (riece-identity-assoc
+                                             (riece-identity-prefix identity)
+                                             users
+                                             t)))
+                        identity))
                     group)))
        (riece-command-set-operators (mapcar #'riece-identity-prefix group)))))
 
 (defun riece-user-button-set-speakers ()
   (interactive)
-  (let (group)
+  (let (group users)
     (if (riece-region-active-p)
        (save-excursion
-         (riece-button-map-identity-region
+         (riece-scan-property-region
+          'riece-identity
           (region-beginning) (region-end)
           (lambda (start end)
             (setq group (cons (get-text-property start 'riece-identity)
                               group)))))
       (setq group (list (get-text-property (point) 'riece-identity))))
+    (setq users (riece-with-server-buffer
+                   (riece-identity-server riece-current-channel)
+                 (riece-channel-get-users (riece-identity-prefix
+                                           riece-current-channel))))
     (if (setq group
              (delq nil
                    (mapcar
                     (lambda (identity)
-                      (riece-with-server-buffer (riece-identity-server
-                                                 riece-current-channel)
-                        (if (and (member
-                                  (riece-identity-prefix identity)
-                                  (riece-channel-get-users
-                                   (riece-identity-prefix
-                                    riece-current-channel)))
-                                 (not (member
-                                       (riece-identity-prefix identity)
-                                       (riece-channel-get-operators
-                                        (riece-identity-prefix
-                                         riece-current-channel))))
-                                 (not (member
-                                       (riece-identity-prefix identity)
-                                       (riece-channel-get-speakers
-                                        (riece-identity-prefix
-                                         riece-current-channel)))))
-                            identity)))
+                      (unless (memq ?v (cdr (riece-identity-assoc
+                                             (riece-identity-prefix identity)
+                                             users
+                                             t)))
+                        identity))
                     group)))
        (riece-command-set-speakers (mapcar #'riece-identity-prefix group)))))
 
 (defun riece-user-button-finger ()
   (interactive)
-  (riece-command-finger
-   (riece-identity-prefix (get-text-property (point) 'riece-identity))))
+  (riece-command-finger (get-text-property (point) 'riece-identity)))
 
 (defun riece-make-identity-button-map ()
   (let ((map (make-sparse-keymap)))
     (set-keymap-parent map (current-local-map))
+    (define-key map [down-mouse-2] 'riece-identity-button-click)
     (define-key map [down-mouse-3] 'riece-identity-button-popup-menu)
     map))
 
-(defun riece-button-map-identity-region (start end function)
-  (catch 'done
-    (while t
-      ;; Search for the beginning of the button region.
-      (unless (get-text-property start 'riece-identity)
-       (setq start (next-single-property-change start 'riece-identity
-                                                nil end)))
-      (if (= start end)
-         (throw 'done nil))
-      ;; Search for the end of the button region.
-      (let* ((identity (get-text-property start 'riece-identity))
-            (button-end (next-single-property-change start 'riece-identity
-                                                     nil end)))
-       (if (= button-end end)
-           (throw 'done nil))
-       (funcall function start button-end)
-       (setq start button-end)))))
-
 (defvar riece-identity-button-map)
 (defun riece-button-add-identity-button (start end)
-  (riece-button-map-identity-region
-   start end
-   (lambda (start end)
-     (let ((inhibit-read-only t)
-          buffer-read-only)
-       (widget-convert-button 'riece-identity-button start end
-                             (get-text-property start 'riece-identity))
-       (add-text-properties start end
-                           (list 'local-map riece-identity-button-map
-                                 'keymap riece-identity-button-map))))))
-
-(defun riece-button-update-channel-list-buffer ()
-  (save-excursion
-    (set-buffer riece-channel-list-buffer)
-    (riece-button-add-identity-button (point-min) (point-max))))
+  (if riece-button-enabled
+      (riece-scan-property-region
+       'riece-identity
+       start end
+       (lambda (start end)
+        (let ((inhibit-read-only t)
+              buffer-read-only)
+          (widget-convert-button 'riece-identity-button start end
+                                 (get-text-property start 'riece-identity))
+          (add-text-properties
+           start end
+           (list 'local-map riece-identity-button-map
+                 'keymap riece-identity-button-map)))))))
 
-(defun riece-button-update-user-list-buffer ()
-  (save-excursion
-    (set-buffer riece-user-list-buffer)
-    (riece-button-add-identity-button (point-min) (point-max))))
-
-(defun riece-button-requires ()
-  '(riece-highlight))
+(defun riece-button-update-buffer ()
+  (riece-button-add-identity-button (point-min) (point-max)))
 
 (defvar riece-channel-list-mode-map)
 (defvar riece-user-list-mode-map)
 (defvar riece-dialogue-mode-map)
-(defun riece-button-insinuate ()
+
+(defun riece-button-channel-list-mode-hook ()
+  (set-keymap-parent riece-channel-list-mode-map widget-keymap)
+  (set (make-local-variable 'riece-identity-button-map)
+       (riece-make-identity-button-map))
   (add-hook 'riece-update-buffer-functions
-           'riece-button-update-channel-list-buffer t)
+           'riece-button-update-buffer t t))
+
+(defun riece-button-user-list-mode-hook ()
+  (set-keymap-parent riece-user-list-mode-map widget-keymap)
+  (set (make-local-variable 'riece-identity-button-map)
+       (riece-make-identity-button-map))
   (add-hook 'riece-update-buffer-functions
-           'riece-button-update-user-list-buffer t)
+           'riece-button-update-buffer t t))
+
+(defun riece-button-dialogue-mode-hook ()
+  (set-keymap-parent riece-dialogue-mode-map widget-keymap)
+  (set (make-local-variable 'riece-identity-button-map)
+       (riece-make-identity-button-map)))
+
+(defun riece-button-insinuate ()
+  (save-excursion
+    (when riece-channel-list-buffer
+      (set-buffer riece-channel-list-buffer)
+      (riece-channel-list-mode-hook))
+    (when riece-user-list-buffer
+      (set-buffer riece-user-list-buffer)
+      (riece-user-list-mode-hook))
+    (let ((buffers riece-buffer-list))
+      (while buffers
+       (set-buffer (car buffers))
+       (if (eq (derived-mode-class major-mode)
+               'riece-dialogue-mode)
+           (riece-dialogue-mode-hook))
+       (setq buffers (cdr buffers)))))
   (add-hook 'riece-channel-list-mode-hook
-           (lambda ()
-             (set-keymap-parent riece-channel-list-mode-map widget-keymap)
-             (set (make-local-variable 'riece-identity-button-map)
-                  (riece-make-identity-button-map))))
+           'riece-button-channel-list-mode-hook)
   (add-hook 'riece-user-list-mode-hook
-           (lambda ()
-             (set-keymap-parent riece-user-list-mode-map widget-keymap)
-             (set (make-local-variable 'riece-identity-button-map)
-                  (riece-make-identity-button-map))))
+           'riece-button-user-list-mode-hook)
   (add-hook 'riece-dialogue-mode-hook
-           (lambda ()
-             (set-keymap-parent riece-dialogue-mode-map widget-keymap)
-             (set (make-local-variable 'riece-identity-button-map)
-                  (riece-make-identity-button-map))))
+           'riece-button-dialogue-mode-hook)
   (add-hook 'riece-after-insert-functions 'riece-button-add-identity-button))
 
+(defun riece-button-uninstall ()
+  (let ((buffers riece-buffer-list))
+    (save-excursion
+      (while buffers
+       (set-buffer (car buffers))
+       (remove-hook 'riece-update-buffer-functions
+                    'riece-button-update-buffer t)
+       (if (local-variable-p 'riece-identity-button-map
+                             (car buffers))
+           (kill-local-variable 'riece-identity-button-map))
+       (setq buffers (cdr buffers)))))
+  (remove-hook 'riece-channel-list-mode-hook
+              'riece-button-channel-list-mode-hook)
+  (remove-hook 'riece-user-list-mode-hook
+              'riece-button-user-list-mode-hook)
+  (remove-hook 'riece-dialogue-mode-hook
+              'riece-button-dialogue-mode-hook)
+  (remove-hook 'riece-after-insert-functions
+              'riece-button-add-identity-button))
+
+(defun riece-button-enable ()
+  (setq riece-button-enabled t)
+  (let ((pointer riece-buffer-list))
+    (while pointer
+      (with-current-buffer (car pointer)
+       (if (eq (derived-mode-class major-mode)
+               'riece-dialogue-mode)
+           (riece-button-update-buffer)))
+      (setq pointer (cdr pointer)))
+    (if riece-current-channel
+       (riece-emit-signal 'user-list-changed riece-current-channel))
+    (riece-emit-signal 'channel-list-changed)))
+
+(defun riece-button-disable ()
+  (setq riece-button-enabled nil)
+  (save-excursion
+    (let ((pointer riece-buffer-list))
+      (while pointer
+       ;; On XEmacs, BUFFER arg of widget-map-buttons is ignored.
+       (set-buffer (car pointer))
+       (widget-map-buttons
+        (lambda (widget maparg)
+          (widget-leave-text widget)))
+       (setq pointer (cdr pointer))))))
+
 (provide 'riece-button)
 
 ;;; riece-button.el ends here