CSS, JavaScript and XHTML Explained

Quirks, random thoughts and funky finds discovered in day-to-day coding.

 

Controlling cursors with CSS and creating .cur files April 21, 2007

Filed under: CSS (including hacks), Cursors & Icons, Web Development — admin @ 11:22 am

Creatings Cursors, a.k.a. .cur files

You can convert images such as .jpgs or .gifs into cursors. A static cursor is saved as a .cur file. An animated cursor is saved as a .ani file.

To create a .cur or .ani file, you need specialized imagery software that is freely available. Available software includes the free Just Cursors that is a bitmap style editor and Icon Forge which costs money, but has much greater capabilities.

Here are the steps:

  • Download and install the imagery software of your choice, listed above.
  • Convert your image to a .cur file if you want a static cursor. For animated cursors, convert your animated .gif file into a .ani file.
  • Upload your image to your server.
  • Write a CSS class to target the cursor (see below for instructions)

Including cursors with CSS

To include image cursors, you need to have the .cur file loaded onto a server on the Internet so that you can point to it:

<style type="text/css">
li { cursor:url(http://www.yourdomain.com/images/yourimage.cur); }
</style>

If you want to simply control the browser default cursor with CSS you don’t use the image path, but rather, the cursor name:

li { cursor: text; }
a {cursor: pointer;}

Controlling cursors with JavaScript

You can dynamically change your cursor using javascript:

object.style.cursor="text"

List of Browser Cursors

Hover over any of the definitions below to see how the cursor renders in your browser:

Value   Appearance and default browser defined usage
url(image.cur) heart cursor Image cursor you defined (if browser supports it)
default default cursor The default cursor: default value for disabled form elements and media="print" styles.
auto auto cursor The browser’s default cursor: input[type="hidden"]
crosshair crosshair cursor Like a big plus sign
pointer pointer cursor hand pointer: input[type="image"]
move move cursor cross with four arrows: Image Resizing
e-resize East Resize cursor left-right arrows: Image Resizing
ne-resize northeast resize cursor arrows pointing northeast & southwest: Image Resizing
nw-resize northwest resize cursor arrows pointing northwest: Image Resizing
n-resize north resize cursor arrows pointing up & down (points northeast in IE): Image Resizing
se-resize southeast resize cursor arrows pointing northwest & southeast (points northeast in IE): Image Resizing
sw-resize southwest resize cursor arrows pointing northeast & southwest:Image Resizing
s-resize south resize cursor arrows pointing up & down (points northeast in IE): Image Resizing
w-resize west resize cursor left-right arrows: Image Resizing
text text cursor Line up and down, indicating text: input, textarea, a:visited, a:hover
wait wait cursor Watch or hourglass
help help cursor Question mark or balloon: not a default browser value for XHTML, but often used in conjunction with elements having a title attribute.

Note:

  • I recommend against using image cursors, especially animated .gif cursors, since they are annoying.
  • You can even convert a Flash movie into a cursor: first export the movie as an animated gif, then export your .gif to an .ani file.
  • If you are declaring an image cursor, remember to always define a generic cursor at the end of the list in case none of the url-defined cursors can be used. A list of cursors should be specified, followed by a standard cursor designation. Then, if the user’s browser cannot handle the image cursor, it will use the the other specified cursor. If that doesn’t work, it will use the default cursor defined by the browser.
    {cursor: url("firstcursor.cur"), url("secondcursor.cur"), pointer;}
  • Safari, IE and Firefox support cursors of type .CUR and .ANI. URL-specified cursors are not yet supported by Netscape and the alternate cursor does not load, so you’ll get the default.
  • .cur is for a regular cursor, .ani is for an animated cursor.
  • To see the cursors on your desktop on windows navigate to C:\WINDOWS\Cursors
 

2 Comments for this post

 
Website Design Says:

Excellent. Many developers don’t know about this but I find it to be a great trick. Any little thing you can do to give the user a more personal experience pays off.

 
trademark registration Says:

I agree with Website Design: this is not a well-known trick, and it’s really very useful. Thanks for posting it.

Leave a Reply