desktop: add password reset to cloud preferences

This must be the number one support request we get. I can't believe we never
thought of adding a button to do this.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

desktop-widgets/preferences/preferences_cloud.cpp

@@ -7,6 +7,7 @@
 #include "core/settings/qPrefCloudStorage.h"
 #include <QRegularExpression>
 #include <QMessageBox>
+#include <QDesktopServices>
 
 PreferencesCloud::PreferencesCloud() : AbstractPreferencesWidget(tr("Cloud"),QIcon(":preferences-cloud-icon"), 9), ui(new Ui::PreferencesCloud())
 {
@@ -22,6 +23,11 @@ PreferencesCloud::~PreferencesCloud()
 	delete ui;
 }
 
+void PreferencesCloud::on_resetPassword_clicked()
+{
+	QDesktopServices::openUrl(QUrl("https://cloud.subsurface-divelog.org/passwordreset"));
+}
+
 void PreferencesCloud::refreshSettings()
 {
 	ui->cloud_storage_email->setText(prefs.cloud_storage_email);

desktop-widgets/preferences/preferences_cloud.h

@@ -20,6 +20,7 @@ public:
 public slots:
 	void updateCloudAuthenticationState();
 	void passwordUpdateSuccessful();
+	void on_resetPassword_clicked();
 
 private:
 	Ui::PreferencesCloud *ui;

desktop-widgets/preferences/preferences_cloud.ui

@@ -102,6 +102,24 @@
     </widget>
    </item>
    <item row="3" column="0">
+    <layout class="QHBoxLayout" name="pwdResetLayout">
+     <item>
+      <widget class="QLabel" name="label_pwd_help">
+       <property name="text">
+        <string>If you have a cloud account and forgot your password, you can reset it here:</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="resetPassword">
+       <property name="text">
+        <string>Reset Password</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item row="4" column="0">
     <widget class="QLabel" name="label_help1">
      <property name="toolTip">
       <string extracomment="Help info 1"/>
@@ -111,7 +129,7 @@
      </property>
     </widget>
    </item>
-   <item row="4" column="0">
+   <item row="5" column="0">
     <widget class="QLabel" name="label_help2">
      <property name="toolTip">
       <string extracomment="Help info 1"/>
@@ -121,7 +139,7 @@
      </property>
     </widget>
    </item>
-   <item row="5" column="0">
+   <item row="6" column="0">
     <widget class="QLabel" name="label_help3">
      <property name="toolTip">
       <string extracomment="Help info 1"/>
@@ -131,7 +149,7 @@
      </property>
     </widget>
    </item>
-   <item row="6" column="0">
+   <item row="7" column="0">
     <widget class="QLabel" name="label_help4">
      <property name="toolTip">
       <string extracomment="Help info 1"/>