start functionality for zooming, right now just alert with coordinates we dragged...

[mandelbrot.git] / xulapp / chrome / mandelbrot / content / mandelbrot.xul

diff --git a/xulapp/chrome/mandelbrot/content/mandelbrot.xul b/xulapp/chrome/mandelbrot/content/mandelbrot.xul
index c6cd044c16d5005d7d90bf794be7575059633db5..183c6caf26083b3f39f58fbf45238cf23d107c9b 100644 (file)
--- a/xulapp/chrome/mandelbrot/content/mandelbrot.xul
+++ b/xulapp/chrome/mandelbrot/content/mandelbrot.xul
@@ -108,7 +108,10 @@
   </toolbox>
   <hbox flex="1" pack="center" align="center">
     <stack>
-      <html:canvas id="mbrotImage" width="300" height="300"></html:canvas>
+      <html:canvas id="mbrotImage" width="300" height="300"
+                   onmousedown="mouseevent('down', event);"
+                   onmouseup="mouseevent('up',event);">
+      </html:canvas>
       <button id="drawButton" label="&fileDraw.label;" oncommand="drawImage();"/>
     </stack>
   </hbox>