UX: Allow CTRL+ENTER to save topic title edits

app/assets/javascripts/discourse/components/composer-body.js.es6

@@ -3,8 +3,9 @@ import Composer from 'discourse/models/composer';
 import afterTransition from 'discourse/lib/after-transition';
 import positioningWorkaround from 'discourse/lib/safari-hacks';
 import { headerHeight } from 'discourse/components/site-header';
+import KeyEnterEscape from 'discourse/mixins/key-enter-escape';
 
-export default Ember.Component.extend({
+export default Ember.Component.extend(KeyEnterEscape, {
   elementId: 'reply-control',
 
   classNameBindings: ['composer.creatingPrivateMessage:private-message',
@@ -65,17 +66,6 @@ export default Ember.Component.extend({
     }, 1000);
   },
 
-  keyDown(e) {
-    if (e.which === 27) {
-      this.sendAction('cancelled');
-      return false;
-    } else if (e.which === 13 && (e.ctrlKey || e.metaKey)) {
-      // CTRL+ENTER or CMD+ENTER
-      this.sendAction('save');
-      return false;
-    }
-  },
-
   @observes('composeState')
   disableFullscreen() {
     if (this.get('composeState') !== Composer.OPEN && positioningWorkaround.blur) {

app/assets/javascripts/discourse/components/topic-title.js.es6

@@ -0,0 +1,5 @@
+import KeyEnterEscape from 'discourse/mixins/key-enter-escape';
+
+export default Ember.Component.extend(KeyEnterEscape, {
+  elementId: 'topic-title',
+});

app/assets/javascripts/discourse/mixins/key-enter-escape.js.es6

@@ -0,0 +1,14 @@
+// A mixin where hitting ESC calls `cancelled` and ctrl+enter calls `save.
+export default {
+  keyDown(e) {
+    if (e.which === 27) {
+      this.sendAction('cancelled');
+      return false;
+    } else if (e.which === 13 && (e.ctrlKey || e.metaKey)) {
+      // CTRL+ENTER or CMD+ENTER
+      this.sendAction('save');
+      return false;
+    }
+  },
+};
+

app/assets/javascripts/discourse/templates/components/topic-title.hbs

@@ -0,0 +1,6 @@
+<div class="container">
+  <div class="title-wrapper">
+    {{yield}}
+  </div>
+  {{plugin-outlet name="topic-title" args=(hash model=model)}}
+</div>

app/assets/javascripts/discourse/templates/topic.hbs

@@ -10,10 +10,7 @@
 
   {{#if model.postStream.loaded}}
     {{#if model.postStream.firstPostPresent}}
-      <div id="topic-title">
-        <div class="container">
-
-          <div class="title-wrapper">
+      {{#topic-title cancelled="cancelEditingTopic" save="finishedEditingTopic"}}
         {{#if editingTopic}}
           {{#if model.isPrivateMessage}}
             <span class="private-message-glyph">{{fa-icon "envelope"}}</span>
@@ -59,10 +56,7 @@
             {{topic-category topic=model class="topic-category"}}
           {{/unless}}
         {{/if}}
-          </div>
-          {{plugin-outlet name="topic-title" args=(hash model=model)}}
-        </div>
-      </div>
+      {{/topic-title}}
     {{/if}}
 
     <div class="container posts">