commit 7e0590d4ee7ef95327ccb4bd79779088b7361aa5
author Han Seoul-Oh <laughinghan@gmail.com> Fri Jun 17 14:59:19 2016 -0700
committer GitHub <noreply@github.com> Fri Jun 17 14:59:19 2016 -0700
tree af4d10ce456e7b83f4db8fa46face9f1ed0fcf02
parent 4973dce9383ae834db02ca3fb7fa731f19657f29
parent 7189c3671df40348a3560b0427a65e112d472330

Merge pull request #536 from drlippman/feature.hatcommand

Add \hat command

src/commands/math/commands.js

diff --git a/src/commands/math/commands.js b/src/commands/math/commands.js
index e0e2d99..483d591 100644
--- a/src/commands/math/commands.js
+++ b/src/commands/math/commands.js
@@ -474,6 +474,17 @@
   };
 });
 
+var Hat = LatexCmds.hat = P(MathCommand, function(_, super_) {
+  _.ctrlSeq = '\\hat';
+  _.htmlTemplate =
+      '<span class="mq-non-leaf">'
+    +   '<span class="mq-hat-prefix">^</span>'
+    +   '<span class="mq-hat-stem">&0</span>'
+    + '</span>'
+  ;
+  _.textTemplate = ['hat(', ')'];
+});
+
 var NthRoot =
 LatexCmds.nthroot = P(SquareRoot, function(_, super_) {
   _.htmlTemplate =

src/css/math.less

diff --git a/src/css/math.less b/src/css/math.less
index e65ae15..389058c 100644
--- a/src/css/math.less
+++ b/src/css/math.less
@@ -304,6 +304,21 @@
     display: block;
     text-align: center;
   }
+  
+  .mq-hat-prefix {
+    display: block;
+    text-align: center;
+    line-height: .95em;
+    margin-bottom: -.7em;
+    transform: scaleX(1.5);
+    -moz-transform: scaleX(1.5);
+    -o-transform: scaleX(1.5);
+    -webkit-transform: scaleX(1.5);
+  }
+
+  .mq-hat-stem {
+    display: block;
+  }
 
   .mq-large-operator {
     vertical-align: -.2em;