Add close cross for tabs (#58)

* Add .DS_Store to gitignore

* Add SVG icon component

* Add button for closing a tab (re: #40)

* Use external icon sheet for icons

.gitignore

@@ -10,3 +10,4 @@ npm-debug.log
 
 # other
 .next
+.DS_Store

app/assets/icons.svg

@@ -0,0 +1,8 @@
+<svg display="none" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  <defs>
+    <symbol id="close" viewBox="0 0 24 24">
+      <title>close</title>
+      <g><path d='M13.1919001,11.9997324 L23.7528721,22.5607045 C24.0822321,22.8904941 24.0822321,23.4241533 23.7528721,23.7526581 C23.4235121,24.0824473 22.8898521,24.0824473 22.5609201,23.7526581 L11.999948,13.1916857 L1.43897601,23.7526581 C1.109612,24.0824473 0.575952002,24.0824473 0.247020001,23.7526581 C-0.0823400003,23.4237253 -0.0823400003,22.8900657 0.247020001,22.5607045 L10.80842,11.9997324 L0.247020001,1.43961681 C-0.0823400003,1.110684 -0.0823400003,0.576168002 0.247020001,0.247663201 C0.576384002,-0.0825544003 1.11004,-0.0825544003 1.43897601,0.247663201 L11.999948,10.8082072 L22.5609201,0.247663201 C22.8902801,-0.0825544003 23.4239401,-0.0825544003 23.7528721,0.247663201 C24.0822321,0.576596002 24.0822321,1.111112 23.7528721,1.43961681 L13.1919001,11.9997324 L13.1919001,11.9997324 L13.1919001,11.9997324 Z'></path></g>
+    </symbol>
+  </defs>
+</svg>

app/css/hyperterm.css

@@ -85,3 +85,10 @@ header {
   opacity: 1;
   pointer-events: inherit;
 }
+
+.icon {
+  vertical-align: middle;
+  fill: currentColor;
+  width: 1em;
+  height: 1em;
+}

app/css/tabs.css

@@ -32,14 +32,15 @@ nav {
   list-style-type: none;
   flex-grow: 1;
   text-align: center;
+  position: relative;
 }
 
 .tabs li.is_active {
   color: #fff;
-  position: relative;
 }
 
 .tabs li span {
+  transition: color .2s ease;
   display: block;
   border-left: 1px solid transparent;
   border-right: 1px solid transparent;
@@ -64,10 +65,54 @@ nav {
   bottom: -1px;
 }
 
-.tabs li:not(.is_active):hover {
+.tabs li:not(.is_active):hover span {
   color: #ccc;
 }
 
 .tabs li.has_activity, .tabs li.has_activity:hover {
   color: #50E3C2;
 }
+
+/* The close button */
+
+.tabs li i {
+  transition: opacity .2s ease,
+              color .2s ease,
+              transform .25s ease,
+              background-color .1s ease;
+  pointer-events: none;
+  position: absolute;
+  right: 7px;
+  top: 7px;
+  display: inline-block;
+  width: 14px;
+  height: 14px;
+  border-radius: 100%;
+  color: #e9e9e9;
+  opacity: 0;
+  transform: scale(.95);
+}
+
+.tabs li:hover i {
+  opacity: 1;
+  transform: none;
+  pointer-events: all;
+}
+
+.tabs li i:hover {
+  background-color: rgba(255,255,255, .13);
+  color: #fff;
+}
+
+.tabs li i:active {
+  background-color: rgba(255,255,255, .1);
+  color: #909090;
+}
+
+.tabs li i .icon {
+  position: absolute;
+  left: 4px;
+  top: 4px;
+  width: 6px;
+  height: 6px;
+}

app/hyperterm.js

@@ -44,6 +44,7 @@ export default class HyperTerm extends Component {
     this.focusActive = this.focusActive.bind(this);
     this.closeBrowser = this.closeBrowser.bind(this);
     this.onHeaderMouseDown = this.onHeaderMouseDown.bind(this);
+    this.closeTab = this.closeTab.bind(this);
 
     this.moveLeft = this.moveLeft.bind(this);
     this.moveRight = this.moveRight.bind(this);
@@ -64,6 +65,7 @@ export default class HyperTerm extends Component {
               return null != title ? title : 'Shell';
             })}
             onChange={this.onChange}
+            onClose={this.closeTab}
           />
         </header>
 
@@ -113,11 +115,15 @@ export default class HyperTerm extends Component {
     this.rpc.emit('new', { cols: this.state.cols, rows: this.state.rows });
   }
 
-  closeTab () {
+  closeActiveTab () {
+    this.closeTab(this.state.active);
+  }
+
+  closeTab (id) {
     if (this.state.sessions.length) {
-      const uid = this.state.sessions[this.state.active];
+      const uid = this.state.sessions[id];
       this.rpc.emit('exit', { uid });
-      this.onSessionExit(uid);
+      this.onSessionExit({ uid });
     }
   }
 
@@ -226,7 +232,7 @@ export default class HyperTerm extends Component {
     });
 
     this.rpc.on('new tab', this.requestTab.bind(this));
-    this.rpc.on('close tab', this.closeTab.bind(this));
+    this.rpc.on('close tab', this.closeActiveTab.bind(this));
     this.rpc.on('title', this.onRemoteTitle.bind(this));
 
     this.rpc.on('move left', this.moveLeft);

app/tabs.js

@@ -1,7 +1,7 @@
 import React from 'react';
 import classes from 'classnames';
 
-export default function ({ data = [], active, activeMarkers = {}, onChange }) {
+export default function ({ data = [], active, activeMarkers = [], onChange, onClose }) {
   return <nav style={{ WebkitAppRegion: 'drag' }}>{
     data.length
       ? 1 === data.length
@@ -13,9 +13,13 @@ export default function ({ data = [], active, activeMarkers = {}, onChange }) {
                 const hasActivity = ~activeMarkers.indexOf(i);
                 return <li
                   key={`tab-${i}`}
-                  className={classes({ is_active: isActive, has_activity: hasActivity })}
-                  onClick={ onChange ? onClick.bind(null, i, onChange, active) : null }>
-                    <span>{ tab }</span>
+                  className={classes({ is_active: isActive, has_activity: hasActivity })}>
+                    <span onClick={ onChange ? onClick.bind(null, i, onChange, active) : null }>{ tab }</span>
+                    <i onClick={ onClose ? onClose.bind(null, i) : null }>
+                      <svg className='icon'>
+                        <use xlinkHref='assets/icons.svg#close'></use>
+                      </svg>
+                    </i>
                 </li>;
               })
             }