Mouse and key event (IE) : Mouse Event « Event « JavaScript DHTML






Mouse and key event (IE)

  
 
/*
JavaScript Application Cookbook
By Jerry Bradenbaugh

Publisher: O'Reilly 
Series: Cookbooks
ISBN: 1-56592-577-7
*/ 

<HTML>
<HEAD>
  <TITLE>Mouse and key event (IE)</TITLE>
<SCRIPT LANGUAGE="JavaScript1.1">
// events.js

var keys = '';
var change = true;
var x1, x2, y1, y2;

// This function enables and disables the 
// onmousemove event handler of both 
// Navigator and MSIE
function enableEffects(ev) {
  if(change) { 
    if(document.layers) {
      x1 = ev.screenX;
      y1 = ev.screenY;
      document.captureEvents(Event.MOUSEMOVE);  
      }
    else { 
      x1 = event.screenX;
      y1 = event.screenY;
      }
      document.onmousemove = showXY;
    }
  else { 
    if (document.layers) { 
      x2 = ev.screenX;
      y2 = ev.screenY;      
      document.releaseEvents(Event.MOUSEMOVE); 
      }
    else { 
      x2 = event.screenX;
      y2 = event.screenY;
      document.onmousemove = null; 
      }
    window.status = 'Start: (' + x1 + ',' + y1 + 
      ')  End: (' + x2 + ',' + y2 + ')  Distance: ' + 
      (Math.abs((x2 - x1) + (y2 - y1))) + ' pixels';
    }
  change = !change;
  }

// This function alerts a string of keys that the user has typed
function showKeys() {
  if (keys != '') { 
    alert('You have typed: ' + keys);
    window.status = keys = ''; 
    }
  else { alert('You have to type some keys first.'); }
  }

// This function displays the keys pressed in the status bar
function showXY(ev) {
  if (document.all) { ev = event; } 
  window.status = 'X: ' + ev.screenX + ' Y: ' + ev.screenY;
  }

// This function captures the keys pressed one at a time
function keepKeys(ev) {
  if (document.layers) { 
    keys += String.fromCharCode(ev.which); 
    window.status = 'Key pressed: ' + String.fromCharCode(ev.which);
    } 
  else { 
    keys += String.fromCharCode(event.keyCode); 
    window.status = 'Key pressed: ' + String.fromCharCode(event.keyCode);    
    }
  }


</SCRIPT>
<SCRIPT LANGUAGE="JavaScript1.1">
<!--

document.onclick = enableEffects;
document.onkeypress = keepKeys;

//-->
</SCRIPT>

</HEAD>
<BODY BGCLOR=WHITE>
Click your mouse button, then move it around, click again to stop tracking.
<BR><BR><BR><BR><BR><BR>
Now type some keys.... any keys. Then press <B>Show Keys</B><BR>
<FORM><INPUT TYPE=BUTTON VALUE="Show Keys" onClick="showKeys();"></FORM>
</BODY>
</HTML>


           
         
    
  








Related examples in the same category

1.Catches and manages the mouse's events
2.Mouse in image and out
3.Image Mouse on and out
4.Mouse cross hairs
5.Mouse Drag and Drop
6. Creating a Rollover Effect
7.Codependent Link Tag and the onMouseOver Event
8.Which mouse button was clicked?
9.Which element was clicked
10.Mouse over event
11.Get component From Point (Mouse)
12.Cutting and Pasting under Script Control
13.Using Drag-Related Event Handlers
14. Using onDragEnter and onDragLeave Event Handlers
15.Using onMouseDown and onMouseUp Event Handlers
16.Dragging Elements with onMouseMove
17.Using the toElement and fromElement Properties
18. The onBeforeCopy Event Handler
19.Called from an onmousedown event handler
20.Mousedown event handler of an object within a Layer
21.Cursor Arrival and Departure
22.Use Mouse over action to transfer url location
23.Get mouse position with on mouse move event (IE)
24.Get mouse position in mouse down event (IE)
25.H1 double click events
26.Return boolean value for on click event
27.Register mouse down event(IE)