Merge remote branch 'nelstrom/master'

README.txt

@@ -162,7 +162,7 @@ custom effects.
 You can manage the presentation with the following keys:
 
  * space, cursor right: next slide
- * cursor left: previous slide
+ * shift+space, cursor left: previous slide
  * d: debug mode
  * c: table of contents (vi)
  * f: toggle footer
@@ -188,6 +188,10 @@ So far, ShowOff has been used in the following presentations:
 * PyCon 2010 - Hg and Git; Can't we all just get along? - Scott Chacon
   http://github.com/schacon/pycon-hg-git
 
+* ScotRUG lightning talks, February 2010 - Bankjob & Associates - Drew Neil
+  http://github.com/nelstrom/bankjob_and_associates
+  http://bankjob-and-associates.heroku.com/
+
 * PdxJs Tech Talk - Asynchronous Coding For My Tiny Ruby Brain - Rick Olson
   http://github.com/technoweenie/pdxjs-twitter-node
 
@@ -197,6 +201,10 @@ So far, ShowOff has been used in the following presentations:
 * PDXRB Tech Talk - Here's Sinatra - Jesse Cooke
   http://github.com/jc00ke/pdxrb_sinatra
 
+* Edinburgh TechMeetup, April 2010 - HTML5 Video - Drew Neil
+  http://github.com/nelstrom/html5_video_presentation
+  http://html5-video-slides.heroku.com/
+
 If you use it for something, please let me know so I can add it.
 
 Future Plans

public/js/showoff.js

@@ -15,6 +15,7 @@ var incrCurr = 0
 var incrCode = false
 var debugMode = false
 var gotoSlidenum = 0
+var shiftKeyActive = false
 
 
 function setupPreso(load_slides, prefix) {
@@ -32,6 +33,7 @@ function setupPreso(load_slides, prefix) {
 
   // bind event handlers
   document.onkeydown = keyDown
+  document.onkeyup = keyUp
   /* window.onresize  = resized; */
   /* window.onscroll = scrolled; */
   /* window.onunload = unloaded; */
@@ -250,7 +252,7 @@ function keyDown(event)
     if (event.ctrlKey || event.altKey || event.metaKey)
        return true;
 
-    debug('key: ' + key)
+    debug('keyDown: ' + key)
 
     if (key >= 48 && key <= 57) // 0 - 9
     {
@@ -265,9 +267,14 @@ function keyDown(event)
     }
     gotoSlidenum = 0;
 
+    if (key == 16) // shift key
+    {
+      shiftKeyActive = true;
+    }
     if (key == 32) // space bar
     {
-      nextStep()
+      if (shiftKeyActive) { prevStep() }
+      else                { nextStep() }
     }
     else if (key == 68) // 'd' for debug
     {
@@ -308,6 +315,16 @@ function keyDown(event)
     return true
 }
 
+function keyUp(event) {
+  var key = event.keyCode;
+  debug('keyUp: ' + key);
+  if (key == 16) // shift key
+  {
+    shiftKeyActive = false;
+  }
+}
+
+
 function swipeLeft() {
   prevStep()
 }