New option: Always show floating New Post button

src/components/mobile_post_status_button/mobile_post_status_button.js

@@ -44,6 +44,9 @@ const MobilePostStatusButton = {
 
       return this.autohideFloatingPostButton && (this.hidden || this.inputActive)
     },
+    isPersistent () {
+      return !!this.$store.getters.mergedConfig.showNewPostButton
+    },
     autohideFloatingPostButton () {
       return !!this.$store.getters.mergedConfig.autohideFloatingPostButton
     }

src/components/mobile_post_status_button/mobile_post_status_button.vue

@@ -2,7 +2,7 @@
   <div v-if="isLoggedIn">
     <button
       class="button-default new-status-button"
-      :class="{ 'hidden': isHidden }"
+      :class="{ 'hidden': isHidden, 'always-show': isPersistent }"
       @click="openPostForm"
     >
       <FAIcon icon="pen" />
@@ -47,7 +47,7 @@
 }
 
 @media all and (min-width: 801px) {
-  .new-status-button {
+  .new-status-button:not(.always-show) {
     display: none;
   }
 }

src/components/settings_modal/tabs/general_tab.vue

@@ -117,6 +117,11 @@
             {{ $t('settings.sensitive_by_default') }}
           </BooleanSetting>
         </li>
+        <li>
+          <BooleanSetting path="showNewPostButton">
+            {{ $t('settings.showPostButton') }}
+          </BooleanSetting>
+        </li>
         <li>
           <BooleanSetting path="autohideFloatingPostButton">
             {{ $t('settings.autohide_floating_post_button') }}

src/components/shout_panel/shout_panel.vue

@@ -79,12 +79,19 @@
 
 .floating-shout {
   position: fixed;
-  right: 0px;
   bottom: 0px;
   z-index: 1000;
   max-width: 25em;
 }
 
+.floating-shout.left {
+  left: 0px;
+}
+
+.floating-shout:not(.left) {
+  right: 0px;
+}
+
 .shout-panel {
   .shout-heading {
     cursor: pointer;