Changes from arch/CVS synchronization

[gnu-emacs] / lisp / play / animate.el

diff --git a/lisp/play/animate.el b/lisp/play/animate.el
index e7ac1a231eab97152af297f7fac2bfb37b24dcd7..23e7939f47a8beb0e587f2d0eb7375faed0430e4 100644 (file)
--- a/lisp/play/animate.el
+++ b/lisp/play/animate.el
@@ -28,6 +28,8 @@
 ;; makes the string STRING appear starting at VPOS, HPOS
 ;; by having each letter swoop into place from random starting position.
 
+;; animate-birthday-present was the first application of this program.
+
 ;;; Code:
 
 ;;; STRING is the string to be displayed,
@@ -130,4 +132,59 @@ in the current window."
     ;; will undo the "animate" calls one by one.
     (undo-boundary)))
 
+;;;###autoload
+(defun animate-sequence (list-of-strings space)
+  "Display strings from LIST-OF-STRING with animation in a new buffer.
+Strings will be separated from each other by SPACE lines."
+  (let ((vpos (/ (- (window-height)
+                   1 ;; For the mode-line
+                   (* (1- (length list-of-strings)) space)
+                   (length list-of-strings))
+                2)))
+    (switch-to-buffer (get-buffer-create "*Animation*"))
+    (erase-buffer)
+    (sit-for 0)
+    (setq indent-tabs-mode nil)
+    (while list-of-strings
+      (animate-string (car list-of-strings) vpos)
+      (setq vpos (+ vpos space 1))
+      (setq list-of-strings (cdr list-of-strings)))))
+
+;;;###autoload
+(defun animate-birthday-present (&optional name)
+  "Display one's birthday present in a new buffer.
+You can specify the one's name by NAME; the default value is \"Sarah\"."
+  (interactive (list (read-string "Name (default \"Sarah\"): "
+                                 nil nil "Sarah")))
+  ;; Make a suitable buffer to display the birthday present in.
+  (switch-to-buffer (get-buffer-create (format "*%s*" name)))
+  (erase-buffer)
+  ;; Display the empty buffer.
+  (sit-for 0)
+  ;; Make sure indentation does not use tabs.
+  ;; They would confuse things.
+  (setq indent-tabs-mode nil)
+
+  (animate-string "Happy Birthday," 6)
+  (animate-string (format "%s" name) 7)
+
+  (sit-for 1)
+
+  (animate-string "You are my sunshine," 10 30)
+  (sit-for .5)
+  (animate-string "My only sunshine." 11 30)
+  (sit-for .5)
+  (animate-string "I'm awful sad that" 12 30)
+  (sit-for .5)
+  (animate-string "You've moved away." 13 30)
+  (sit-for .5)
+  (animate-string "Let's talk together" 15 30)
+  (sit-for .5)
+  (animate-string "And love more deeply." 16 30)
+  (sit-for .5)
+  (animate-string "Please bring back" 17 30)
+  (animate-string "my sunshine" 18 34)
+  (animate-string "to stay!" 19 34))
+
+;;; arch-tag: 275289a3-6ac4-41da-b527-a1147045392f
 ;;; animate.el ends here