* wl-e21.el (wl-biff-init-icons): Don't generate icons of the display does not
[elisp/wanderlust.git] / wl / wl-demo.el
index 2f07451..d727255 100644 (file)
@@ -1,10 +1,10 @@
 ;;; wl-demo.el -- Opening demo on Wanderlust.
 
-;; Copyright 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
-;; Copyright 2000 Katsumi Yamaoka <yamaoka@jpl.org>
+;; Copyright (C) 1998,1999,2000,2001 Yuuichi Teranishi <teranisi@gohome.org>
+;; Copyright (C) 2000,2001 Katsumi Yamaoka <yamaoka@jpl.org>
 
 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
-;;         Katsumi Yamaoka <yamaoka@jpl.org>
+;;     Katsumi Yamaoka <yamaoka@jpl.org>
 ;; Keywords: mail, net news
 
 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
 ;;
 
 (defconst wl-demo-copyright-notice
-  "Copyright (C) 1998-2000 Yuuichi Teranishi <teranisi@gohome.org>")
+  "Copyright (C) 1998-2001 Yuuichi Teranishi <teranisi@gohome.org>")
 
 (require 'wl-vars)
 (require 'wl-version)
 (require 'wl-highlight)
-(require 'product)
-(product-provide (provide 'wl-demo) (require 'wl-version))
 
 (defconst wl-demo-icon-name (concat "wl-" (wl-version-status) "-logo"))
 
@@ -62,7 +60,6 @@
   (defalias-maybe 'set-extent-end-glyph 'ignore)
   (defalias-maybe 'set-glyph-face 'ignore)
   (defalias-maybe 'set-specifier 'ignore)
-  (defalias-maybe 'tool-bar-mode 'ignore)
   (defalias-maybe 'window-pixel-height 'ignore)
   (defalias-maybe 'window-pixel-width 'ignore))
 
@@ -206,11 +203,36 @@ any conversions and evaluate FORMS there like `progn'."
   "Demo on the startup screen.
 Optional IMAGE-TYPE overrides the variable `wl-demo-display-logo'."
   (interactive "P")
+  (if (and image-type (interactive-p))
+      (let* ((selection (append
+                        (if (and (get 'wl-logo-xbm 'width)
+                                 (cond ((featurep 'xemacs)
+                                        (device-on-window-system-p))
+                                       (wl-on-emacs21
+                                        (display-graphic-p))
+                                       (t window-system)))
+                            '(("xbm" . xbm)))
+                        (if (and (get 'wl-logo-xpm 'width)
+                                 (or (and (featurep 'xemacs)
+                                          (featurep 'xpm)
+                                          (device-on-window-system-p))
+                                     (and wl-on-emacs21
+                                          (display-graphic-p)
+                                          (featurep 'image)
+                                          (image-type-available-p 'xpm))))
+                            '(("xpm" . xpm)))
+                        '(("ascii"))))
+            (type (completing-read "Image type: " selection nil t)))
+       (setq image-type (if (assoc type selection)
+                            (cdr (assoc type selection)))))
+    (setq image-type (or image-type wl-demo-display-logo)))
   (let ((demo-buf (let ((default-enable-multibyte-characters t)
                        (default-mc-flag t)
                        (default-line-spacing 0))
                    (get-buffer-create "*WL Demo*"))))
     (switch-to-buffer demo-buf)
+    (erase-buffer)
+    (setq truncate-lines t)
     (cond ((featurep 'xemacs)
           (if (device-on-window-system-p)
               (progn
@@ -219,7 +241,7 @@ Optional IMAGE-TYPE overrides the variable `wl-demo-display-logo'."
                                    nil demo-buf))
                 (set-specifier (symbol-value 'scrollbar-height) 0 demo-buf)
                 (set-specifier (symbol-value 'scrollbar-width) 0 demo-buf))))
-         ((and (> emacs-major-version 20) (display-graphic-p))
+         ((and wl-on-emacs21 (display-graphic-p))
           (make-local-hook 'kill-buffer-hook)
           (let* ((frame (selected-frame))
                  (toolbar (frame-parameter frame 'tool-bar-lines)))
@@ -237,32 +259,27 @@ Optional IMAGE-TYPE overrides the variable `wl-demo-display-logo'."
              nil t)
             (set-face-background 'fringe (face-background 'default frame)
                                  frame))))
-    (erase-buffer)
-    (setq truncate-lines t)
-    (let* ((wl-demo-display-logo
-           (if (and image-type (interactive-p))
-               (let* ((selection '(("xbm" . xbm) ("xpm" . xpm) ("ascii")))
-                      (type (completing-read "Image type: " selection nil t)))
-                 (if (assoc type selection)
-                     (cdr (assoc type selection))
-                   t))
-             (or image-type wl-demo-display-logo)))
-          (logo (if (cond ((featurep 'xemacs)
-                           (device-on-window-system-p))
-                          ((featurep 'image)
-                           (display-graphic-p))
-                          (t window-system))
-                    (cond ((and (eq 'xbm wl-demo-display-logo)
-                                (get 'wl-logo-xbm 'width))
-                           'wl-logo-xbm)
-                          (wl-demo-display-logo
-                           (cond ((get 'wl-logo-xpm 'width)
-                                  'wl-logo-xpm)
-                                 ((get 'wl-logo-xbm 'width)
-                                  'wl-logo-xbm))))))
-          (ww (window-width))
-          (wh (window-height))
-          rest)
+    (let ((logo (cond ((eq 'xbm image-type)
+                      (if (and (get 'wl-logo-xbm 'width)
+                               (cond ((featurep 'xemacs)
+                                      (device-on-window-system-p))
+                                     (wl-on-emacs21
+                                      (display-graphic-p))
+                                     (t window-system)))
+                          'wl-logo-xbm))
+                     ((eq 'xpm image-type)
+                      (if (and (get 'wl-logo-xpm 'width)
+                               (or (and (featurep 'xemacs)
+                                        (featurep 'xpm)
+                                        (device-on-window-system-p))
+                                   (and wl-on-emacs21
+                                        (display-graphic-p)
+                                        (featurep 'image)
+                                        (image-type-available-p 'xpm))))
+                          'wl-logo-xpm))))
+         (ww (window-width))
+         (wh (window-height))
+         rest)
       (if logo
          (let ((lw (get logo 'width))
                (lh (get logo 'height))
@@ -277,7 +294,8 @@ Optional IMAGE-TYPE overrides the variable `wl-demo-display-logo'."
                                            (* lw ww))
                                         2 (window-pixel-width))))
              (set-extent-end-glyph (make-extent (point) (point)) image))
-            ((featurep 'image)
+            ((and wl-on-emacs21
+                  (display-graphic-p))
              (if (eq 'wl-logo-xbm logo)
                  (let ((bg (face-background 'wl-highlight-logo-face))
                        (fg (face-foreground 'wl-highlight-logo-face)))
@@ -340,4 +358,7 @@ Optional IMAGE-TYPE overrides the variable `wl-demo-display-logo'."
       (sit-for (if (featurep 'lisp-float-type) (/ (float 5) (float 10)) 1))
       demo-buf)))
 
+(require 'product)
+(product-provide (provide 'wl-demo) (require 'wl-version))
+
 ;;; wl-demo.el ends here