hotkeys: Add '>' as a hotkey for quote and reply to message.

Tweaked by tabbott to fix a few minor issues.

Fixes #8146.

docs/overview/changelog.md

@@ -52,6 +52,7 @@ mentioned, even if they are not subscribed.
 discoverable.
 - Added a fast local echo to emoji reactions.
 - Added new "basics" section to keyboard shortcuts documentation.
+- Added a new keyboard shortcut for quote-and-reply.
 - Renamed "Home" to "All messages", to avoid users clicking on it too
   early in using Zulip.
 - Messages containing just a link to an image (or an uploaded image)

frontend_tests/node_tests/hotkey.js

@@ -236,7 +236,7 @@ function stubbing(func_name_to_stub, test_function) {
     assert_mapping('d', 'drafts.launch');
 
     // Next, test keys that only work on a selected message.
-    var message_view_only_keys = '@*+RjJkKsSuvi:GM';
+    var message_view_only_keys = '@*+>RjJkKsSuvi:GM';
 
     // Check that they do nothing without a selected message
     global.current_msg_list.empty = return_true;
@@ -246,7 +246,7 @@ function stubbing(func_name_to_stub, test_function) {
 
     // Check that they do nothing while in the settings overlay
     overlays.settings_open = return_true;
-    assert_unmapped('@*+-rRjJkKsSuvi:GM');
+    assert_unmapped('@*+->rRjJkKsSuvi:GM');
     overlays.settings_open = return_false;
 
     // TODO: Similar check for being in the subs page
@@ -266,6 +266,7 @@ function stubbing(func_name_to_stub, test_function) {
     assert_mapping('u', 'popovers.show_sender_info');
     assert_mapping('i', 'popovers.open_message_menu');
     assert_mapping(':', 'reactions.open_reactions_popover', true);
+    assert_mapping('>', 'compose_actions.quote_and_reply');
 
     overlays.is_active = return_true;
     overlays.lightbox_open = return_true;

static/js/compose_actions.js

@@ -365,6 +365,25 @@ exports.on_topic_narrow = function () {
     $('#compose-textarea').focus().select();
 };
 
+exports.quote_and_reply = function (opts) {
+    var textarea = $("#compose-textarea");
+    var message_id = current_msg_list.selected_id();
+
+    exports.respond_to_message(opts);
+    channel.get({
+        url: '/json/messages/' + message_id,
+        idempotent: true,
+        success: function (data) {
+            if (textarea.val() === "") {
+                textarea.val("```quote\n" + data.raw_content +"\n```\n");
+            } else {
+                textarea.val(textarea.val() + "\n```quote\n" + data.raw_content +"\n```\n");
+            }
+            $("#compose-textarea").trigger("autosize.resize");
+        },
+    });
+};
+
 exports.on_narrow = function () {
     if (narrow_state.narrowed_by_topic_reply()) {
         exports.on_topic_narrow();

static/js/hotkey.js

@@ -66,6 +66,7 @@ var keypress_mappings = {
     45: {name: 'toggle_message_collapse', message_view_only: true}, // '-'
     47: {name: 'search', message_view_only: false}, // '/'
     58: {name: 'toggle_reactions_popover', message_view_only: true}, // ':'
+    62: {name: 'compose_quote_reply', message_view_only: true}, // '>'
     63: {name: 'show_shortcuts', message_view_only: false}, // '?'
     64: {name: 'compose_reply_with_mention', message_view_only: true}, // '@'
     65: {name: 'stream_cycle_backward', message_view_only: true}, // 'A'
@@ -703,6 +704,9 @@ exports.process_hotkey = function (e, hotkey) {
         case 'toggle_message_collapse':
             condense.toggle_collapse(msg);
             return true;
+        case 'compose_quote_reply': // > : respond to selected message with quote
+            compose_actions.quote_and_reply({trigger: 'hotkey'});
+            return true;
     }
 
     return false;

static/js/popovers.js

@@ -577,22 +577,12 @@ exports.register_click_handlers = function () {
     });
 
     $('body').on('click', '.respond_button', function (e) {
-        var textarea = $("#compose-textarea");
-        var msgid = $(e.currentTarget).data("message-id");
-
-        compose_actions.respond_to_message({trigger: 'popover respond'});
-        channel.get({
-            url: '/json/messages/' + msgid,
-            idempotent: true,
-            success: function (data) {
-                if (textarea.val() === "") {
-                    textarea.val("```quote\n" + data.raw_content +"\n```\n");
-                } else {
-                    textarea.val(textarea.val() + "\n```quote\n" + data.raw_content +"\n```\n");
-                }
-                $("#compose-textarea").trigger("autosize.resize");
-            },
-        });
+        // Arguably, we should fetch the message ID to respond to from
+        // e.target, but that should always be the current selected
+        // message in the current message list (and
+        // compose_actions.respond_to_message doesn't take a message
+        // argument).
+        compose_actions.quote_and_reply({trigger: 'popover respond'});
         popovers.hide_actions_popover();
         e.stopPropagation();
         e.preventDefault();

templates/zerver/help/keyboard-shortcuts.md

@@ -85,6 +85,8 @@ below, and add more to your repertoire as needed.
 
 * **Reply only to author**: `R`
 
+* **Quote and reply to message**: `>`
+
 * **New stream message**: `c` — For starting a new topic in a stream.
 
 * **New private message**: `C`

templates/zerver/keyboard_shortcuts.html

@@ -116,6 +116,10 @@
                     <td class="hotkey">R</td>
                     <td class="definition">{% trans %}Reply to author{% endtrans %}</td>
                 </tr>
+                <tr>
+                    <td class="hotkey">></td>
+                    <td class="definition">{% trans %}Quote and reply to message{% endtrans %}</td>
+                </tr>
                 <tr>
                     <td class="hotkey">c</td>
                     <td class="definition">{% trans %}New stream message{% endtrans %}</td>