From 5af78de226ab39fff09a371f69b1a48555c13f6c Mon Sep 17 00:00:00 2001
From: Ben Stern <bas-github@bstern.org>
Date: Sat, 5 Mar 2016 14:25:16 -0500
Subject: [PATCH 1/2] Add output in Fahrenheit as well as Celsius.

---
 AUTHORS.md                             | 1 +
 src/octoprint/static/js/app/helpers.js | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/AUTHORS.md b/AUTHORS.md
index f3bbce2c..e84f4ff5 100644
--- a/AUTHORS.md
+++ b/AUTHORS.md
@@ -60,6 +60,7 @@ date of first contribution):
   * ["bwgan"](https://github.com/bwgan)
   * [Siim Raud](https://github.com/2ndalpha)
   * ["geoporalis"](https://github.com/geoporalis)
+  * [therealbstern](https://github.com/therealbstern)
 
 OctoPrint started off as a fork of [Cura](https://github.com/daid/Cura) by
 [Daid Braam](https://github.com/daid). Parts of its communication layer and
diff --git a/src/octoprint/static/js/app/helpers.js b/src/octoprint/static/js/app/helpers.js
index 930eccdd..9c47abbc 100644
--- a/src/octoprint/static/js/app/helpers.js
+++ b/src/octoprint/static/js/app/helpers.js
@@ -413,7 +413,7 @@ function cleanTemperature(temp) {
 
 function formatTemperature(temp) {
     if (!temp || temp < 10) return gettext("off");
-    return _.sprintf("%.1f&deg;C", temp);
+    return _.sprintf("%.1f&deg;C (%.1f&deg;F)", temp, temp * 9 / 5 + 32);
 }
 
 function pnotifyAdditionalInfo(inner) {

From e2d2a6f5a4df437aea68d7d641ad9db4009c332c Mon Sep 17 00:00:00 2001
From: Ben Stern <bas-github@bstern.org>
Date: Thu, 24 Mar 2016 20:46:42 -0400
Subject: [PATCH 2/2] Support Fahrenheit display.

---
 src/octoprint/settings.py                                 | 1 +
 src/octoprint/static/js/app/helpers.js                    | 8 ++++++--
 src/octoprint/static/js/app/viewmodels/settings.js        | 1 +
 src/octoprint/static/js/app/viewmodels/temperature.js     | 5 +++--
 .../templates/dialogs/settings/appearance.jinja2          | 7 +++++++
 5 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/src/octoprint/settings.py b/src/octoprint/settings.py
index 6b29ef12..4b5635ea 100644
--- a/src/octoprint/settings.py
+++ b/src/octoprint/settings.py
@@ -207,6 +207,7 @@ default_settings = {
 		"color": "default",
 		"colorTransparent": False,
 		"defaultLanguage": "_default",
+		"showFahrenheitAlso": False,
 		"components": {
 			"order": {
 				"navbar": ["settings", "systemmenu", "login"],
diff --git a/src/octoprint/static/js/app/helpers.js b/src/octoprint/static/js/app/helpers.js
index 9c47abbc..f691acb4 100644
--- a/src/octoprint/static/js/app/helpers.js
+++ b/src/octoprint/static/js/app/helpers.js
@@ -411,9 +411,13 @@ function cleanTemperature(temp) {
     return temp;
 }
 
-function formatTemperature(temp) {
+function formatTemperature(temp, showF) {
     if (!temp || temp < 10) return gettext("off");
-    return _.sprintf("%.1f&deg;C (%.1f&deg;F)", temp, temp * 9 / 5 + 32);
+    if (showF) {
+        return _.sprintf("%.1f&deg;C (%.1f&deg;F)", temp, temp * 9 / 5 + 32);
+    } else {
+        return _.sprintf("%.1f&deg;C", temp);
+    }
 }
 
 function pnotifyAdditionalInfo(inner) {
diff --git a/src/octoprint/static/js/app/viewmodels/settings.js b/src/octoprint/static/js/app/viewmodels/settings.js
index 3d6f63ae..63384bca 100644
--- a/src/octoprint/static/js/app/viewmodels/settings.js
+++ b/src/octoprint/static/js/app/viewmodels/settings.js
@@ -100,6 +100,7 @@ $(function() {
         self.appearance_color = ko.observable(undefined);
         self.appearance_colorTransparent = ko.observable();
         self.appearance_defaultLanguage = ko.observable();
+        self.appearance_showFahrenheitAlso = ko.observable(undefined);
 
         self.printer_defaultExtrusionLength = ko.observable(undefined);
 
diff --git a/src/octoprint/static/js/app/viewmodels/temperature.js b/src/octoprint/static/js/app/viewmodels/temperature.js
index 9a4ea651..17cec93f 100644
--- a/src/octoprint/static/js/app/viewmodels/temperature.js
+++ b/src/octoprint/static/js/app/viewmodels/temperature.js
@@ -248,8 +248,9 @@ $(function() {
                         targets = self.temperatures[type].target;
                     }
 
-                    var actualTemp = actuals && actuals.length ? formatTemperature(actuals[actuals.length - 1][1]) : "-";
-                    var targetTemp = targets && targets.length ? formatTemperature(targets[targets.length - 1][1]) : "-";
+                    var showFahrenheit = self.settingsViewModel.settings.appearance.showFahrenheitAlso();
+                    var actualTemp = actuals && actuals.length ? formatTemperature(actuals[actuals.length - 1][1], showFahrenheit) : "-";
+                    var targetTemp = targets && targets.length ? formatTemperature(targets[targets.length - 1][1], showFahrenheit) : "-";
 
                     data.push({
                         label: gettext("Actual") + " " + heaterOptions[type].name + ": " + actualTemp,
diff --git a/src/octoprint/templates/dialogs/settings/appearance.jinja2 b/src/octoprint/templates/dialogs/settings/appearance.jinja2
index 48f7d60b..ea7111ca 100644
--- a/src/octoprint/templates/dialogs/settings/appearance.jinja2
+++ b/src/octoprint/templates/dialogs/settings/appearance.jinja2
@@ -36,6 +36,13 @@
             <span class="help-inline">{{ _('Changes to the default interface language will only become active after a reload of the page and only be active if not overridden by the user''s language settings.') }}</span>
         </div>
     </div>
+    <div class="control-group">
+        <div class="controls">
+            <label class="checkbox">
+                <input type="checkbox" data-bind="checked: appearance_showFahrenheitAlso" id="settings-appearanceShowFahrenheitAlso"> {{ _('Show temperatures in Fahrenheit as well as Celcius') }}
+            </label>
+        </div>
+    </div>
 </form>
 
 <div id="settings_appearance_managelanguagesdialog" class="modal hide fade">