X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcss.js;h=c36b6dcc25225f777539fd39d81e8652c4768481;hb=59802928566b6be3a66d65e77c2418fff37e6f5f;hp=f47bc8e2be92847375ef0996cb64519e8e3ed6e3;hpb=d1285504fb636a077ae5b1e53e35959cc7faebc7;p=jquery.git

diff --git a/src/css.js b/src/css.js
index f47bc8e..c36b6dc 100644
--- a/src/css.js
+++ b/src/css.js
@@ -5,8 +5,8 @@ var rexclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
 	rfloat = /float/i,
 	rdashAlpha = /-([a-z])/ig,
 	rupper = /([A-Z])/g,
-	rnumpx = /^\d+(?:px)?$/i,
-	rnum = /^\d/,
+	rnumpx = /^-?\d+(?:px)?$/i,
+	rnum = /^-?\d/,
 
 	// cache check for defaultView.getComputedStyle
 	getComputedStyle = document.defaultView && document.defaultView.getComputedStyle,
@@ -52,8 +52,9 @@ jQuery.extend({
 				style.zoom = 1;
 
 				// Set the alpha filter to set the opacity
-				style.filter = (style.filter || "").replace( ralpha, "" ) +
-					(parseInt( value ) + '' === "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
+				var opacity = parseInt( value, 10 ) + '' === "NaN" ? "" : "alpha(opacity=" + value * 100 + ")";
+				var filter = style.filter || jQuery.curCSS( elem, 'filter' ) || "";
+				style.filter = ralpha.test(filter) ? filter.replace(ralpha, opacity) : opacity;
 			}
 
 			return style.filter && style.filter.indexOf("opacity=") >= 0 ?
@@ -167,7 +168,7 @@ jQuery.extend({
 
 				// Put in the new values to get a computed value out
 				elem.runtimeStyle.left = elem.currentStyle.left;
-				style.left = ret || 0;
+				style.left = camelCase === "fontSize" ? "1em" : (ret || 0);
 				ret = style.pixelLeft + "px";
 
 				// Revert the changed values
@@ -197,3 +198,20 @@ jQuery.extend({
 		}
 	}
 });
+
+if ( jQuery.expr && jQuery.expr.filters ) {
+	jQuery.expr.filters.hidden = function( elem ) {
+		var width = elem.offsetWidth, height = elem.offsetHeight,
+			skip = elem.nodeName.toLowerCase() === "tr";
+
+		return width === 0 && height === 0 && !skip ?
+			true :
+			width > 0 && height > 0 && !skip ?
+				false :
+				jQuery.curCSS(elem, "display") === "none";
+	};
+
+	jQuery.expr.filters.visible = function( elem ) {
+		return !jQuery.expr.filters.hidden( elem );
+	};
+}