icon_button支持gap

src/base/single/button/buttons/button.icon.js

@@ -8,6 +8,12 @@ BI.IconButton = BI.inherit(BI.BasicButton, {
         var conf = BI.IconButton.superclass._defaultConfig.apply(this, arguments);
         return BI.extend(conf, {
             _baseCls: (conf._baseCls || "") + " bi-icon-button horizon-center",
+            hgap: 0,
+            vgap: 0,
+            tgap: 0,
+            bgap: 0,
+            lgap: 0,
+            rgap: 0,
             iconWidth: null,
             iconHeight: null
         });
@@ -28,6 +34,12 @@ BI.IconButton = BI.inherit(BI.BasicButton, {
             BI.createWidget({
                 type: "bi.default",
                 element: this,
+                hgap: o.hgap,
+                vgap: o.vgap,
+                lgap: o.lgap,
+                rgap: o.rgap,
+                tgap: o.tgap,
+                bgap: o.bgap,
                 items: [this.icon]
             });
         } else {
@@ -35,6 +47,12 @@ BI.IconButton = BI.inherit(BI.BasicButton, {
             BI.createWidget({
                 element: this,
                 type: "bi.center_adapt",
+                hgap: o.hgap,
+                vgap: o.vgap,
+                lgap: o.lgap,
+                rgap: o.rgap,
+                tgap: o.tgap,
+                bgap: o.bgap,
                 items: [this.icon]
             });
         }