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openlayers/files/OpenLayers/Handler/MouseWheel-js.html
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<td class=ContentSection valign=top><div class=CClass id=MainTopic><div class=CTopic><h1 class=CTitle><a name="OpenLayers.Handler.MouseWheel"></a>OpenLayers.<span class=HB> </span>Handler.<span class=HB> </span>MouseWheel</h1><div class=CBody><p class=CParagraph>Handler for wheel up/down events.</p><h4 class=CHeading>Inherits from</h4><ul class=CBulletList><li><a href="../Handler-js.html#OpenLayers.Handler" class=LClass id=link6 onMouseOver="ShowTip(event, 'tt6', 'link6')" onMouseOut="HideTip('tt6')">OpenLayers.Handler</a></li></ul><!--START_ND_SUMMARY--><div class=Summary><div class=STitle>Summary</div><div class=SBorder><table border=0 cellspacing=0 cellpadding=0 class=STable><tr><td class=SEntrySize><div class=SMain><div class=SEntry><a href="#OpenLayers.Handler.MouseWheel" >OpenLayers.<span class=HB> </span>Handler.<span class=HB> </span>MouseWheel</a></div></div></td><td class=SDescriptionSize><div class=SMain><div class=SDescription>Handler for wheel up/down events.</div></div></td></tr><tr><td><div class=SGroup><div class=SEntry><div class=SIndent1><a href="#OpenLayers.Handler.MouseWheel.Properties" >Properties</a></div></div></div></td><td><div class=SGroup><div class=SDescription><div class=SIndent1></div></div></div></td></tr><tr class=SMarked><td><div class=SProperty><div class=SEntry><div class=SIndent2><a href="#OpenLayers.Handler.MouseWheel.wheelListener" >wheelListener</a></div></div></div></td><td><div class=SProperty><div class=SDescription><div class=SIndent2>{function}</div></div></div></td></tr><tr><td><div class=SProperty><div class=SEntry><div class=SIndent2><a href="#OpenLayers.Handler.MouseWheel.mousePosition" >mousePosition</a></div></div></div></td><td><div class=SProperty><div class=SDescription><div class=SIndent2><b>Private</b>. </div></div></div></td></tr><tr><td><div class=SGroup><div class=SEntry><div class=SIndent1><a href="#OpenLayers.Handler.MouseWheel.Functions" >Functions</a></div></div></div></td><td><div class=SGroup><div class=SDescription><div class=SIndent1></div></div></div></td></tr><tr class=SMarked><td><div class=SFunction><div class=SEntry><div class=SIndent2><a href="#OpenLayers.Handler.MouseWheel.OpenLayers.Handler.MouseWheel" >OpenLayers.<span class=HB> </span>Handler.<span class=HB> </span>MouseWheel</a></div></div></div></td><td><div class=SFunction><div class=SDescription><div class=SIndent2></div></div></div></td></tr><tr><td><div class=SFunction><div class=SEntry><div class=SIndent2><a href="#OpenLayers.Handler.MouseWheel.destroy" id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">destroy</a></div></div></div></td><td><div class=SFunction><div class=SDescription><div class=SIndent2></div></div></div></td></tr><tr class=SMarked><td><div class=SFunction><div class=SEntry><div class=SIndent2><a href="#OpenLayers.Handler.MouseWheel.onWheelEvent" id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')">onWheelEvent</a></div></div></div></td><td><div class=SFunction><div class=SDescription><div class=SIndent2>Catch the wheel event and handle it xbrowserly</div></div></div></td></tr><tr><td><div class=SFunction><div class=SEntry><div class=SIndent2><a href="#OpenLayers.Handler.MouseWheel.mousemove" id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">mousemove</a></div></div></div></td><td><div class=SFunction><div class=SDescription><div class=SIndent2>Update the stored mousePosition on every move.</div></div></div></td></tr><tr class=SMarked><td><div class=SFunction><div class=SEntry><div class=SIndent2><a href="#OpenLayers.Handler.MouseWheel.activate" id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">activate</a></div></div></div></td><td><div class=SFunction><div class=SDescription><div class=SIndent2></div></div></div></td></tr><tr><td><div class=SFunction><div class=SEntry><div class=SIndent2><a href="#OpenLayers.Handler.MouseWheel.deactivate" id=link5 onMouseOver="ShowTip(event, 'tt5', 'link5')" onMouseOut="HideTip('tt5')">deactivate</a></div></div></div></td><td><div class=SFunction><div class=SDescription><div class=SIndent2></div></div></div></td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>
<div class=CGroup><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Handler.MouseWheel.Properties"></a>Properties</h3></div></div>
<div class=CProperty><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Handler.MouseWheel.wheelListener"></a>wheelListener</h3><div class=CBody><p class=CParagraph>{function}</p></div></div></div>
<div class=CProperty><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Handler.MouseWheel.mousePosition"></a>mousePosition</h3><div class=CBody><p class=CParagraph><b>Private</b>.&nbsp; {<a href="../BaseTypes-js.html#OpenLayers.Pixel" class=LClass id=link7 onMouseOver="ShowTip(event, 'tt7', 'link7')" onMouseOut="HideTip('tt7')">OpenLayers.Pixel</a>} mousePosition is necessary because evt.clientX/Y is buggy in Moz on wheel events, so we cache and use the value from the last mousemove.</p></div></div></div>
<div class=CGroup><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Handler.MouseWheel.Functions"></a>Functions</h3></div></div>
<div class=CFunction><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Handler.MouseWheel.OpenLayers.Handler.MouseWheel"></a>OpenLayers.<span class=HB> </span>Handler.<span class=HB> </span>MouseWheel</h3><div class=CBody><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>control</td><td class=CDLDescription>{OpenLayers.Control}</td></tr><tr><td class=CDLEntry>callbacks</td><td class=CDLDescription>{Object} An object containing a single function to be called when the drag operation is finished.&nbsp; The callback should expect to recieve a single argument, the point geometry.</td></tr><tr><td class=CDLEntry>options</td><td class=CDLDescription>{Object}</td></tr></table></div></div></div>
<div class=CFunction><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Handler.MouseWheel.destroy"></a>destroy</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>destroy: function()</td></tr></table></blockquote></div></div></div>
<div class=CFunction><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Handler.MouseWheel.onWheelEvent"></a>onWheelEvent</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>onWheelEvent: function(</td><td class=PParameter nowrap>e</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p class=CParagraph>Catch the wheel event and handle it xbrowserly</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>e</td><td class=CDLDescription>{Event}</td></tr></table></div></div></div>
<div class=CFunction><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Handler.MouseWheel.mousemove"></a>mousemove</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mousemove: function (</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p class=CParagraph>Update the stored mousePosition on every move.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>evt</td><td class=CDLDescription>{Event} The browser event</td></tr></table><h4 class=CHeading>Return</h4><p class=CParagraph>{Boolean} Allow event propagation</p></div></div></div>
<div class=CFunction><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Handler.MouseWheel.activate"></a>activate</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>activate: function (</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class=CFunction><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Handler.MouseWheel.deactivate"></a>deactivate</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>deactivate: function (</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
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<div class=CToolTip id="tt1"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>destroy: function()</td></tr></table></blockquote></div></div><div class=CToolTip id="tt2"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>onWheelEvent: function(</td><td class=PParameter nowrap>e</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Catch the wheel event and handle it xbrowserly</div></div><div class=CToolTip id="tt3"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mousemove: function (</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Update the stored mousePosition on every move.</div></div><div class=CToolTip id="tt4"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>activate: function (</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt5"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>deactivate: function (</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt6"><div class=CClass>Base class to construct a higher-level handler for event sequences. </div></div><div class=CToolTip id="tt7"><div class=CClass>This class represents a screen coordinate, in x and y coordinates</div></div><!--END_ND_TOOLTIPS-->
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