feat(app): add quick reply and edit keybinds (#3032)

fluxer_app/src/features/app/keybindings/KeybindScopeUtils.ts

@@ -20,6 +20,10 @@ export const isKeybindAllowedDuringVoiceCallFullscreen = (action: KeybindCommand
 
 const COMPACT_CALL_TEXTAREA_ACTIONS = new Set<KeybindCommand>([
 	'message_focus_textarea',
+	'message_reply_prev',
+	'message_reply_next',
+	'message_edit_prev',
+	'message_edit_next',
 	'chat_focus_textarea',
 	'chat_upload',
 	'chat_toggle_emoji',

fluxer_app/src/features/app/keybindings/keybind_manager/handlers/messageHandlers.ts

@@ -2,6 +2,7 @@
 
 import type {HandlerHost} from '@app/features/app/keybindings/keybind_manager/handlers/types';
 import {
+	requestAdjacentMessageReply,
 	requestCopyMessageId,
 	requestCopyMessageLink,
 	requestCopyMessageText,
@@ -13,6 +14,7 @@ import {
 	requestSpeakMessage,
 	requestToggleBookmark,
 	requestToggleSuppressEmbeds,
+	startAdjacentMessageEdit,
 	startMessageEdit,
 	triggerAddReaction,
 } from '@app/features/channel/components/MessageActionUtils';
@@ -50,6 +52,22 @@ export function registerMessageHandlers(host: HandlerHost, i18n: I18n): void {
 		if (!message) return;
 		requestMessageReply(message, {sourceChannel: context?.focusedChannel});
 	});
+	host.register('message_reply_prev', ({type}) => {
+		if (type !== 'press' || !host.currentChannelId) return;
+		requestAdjacentMessageReply(host.currentChannelId, -1);
+	});
+	host.register('message_reply_next', ({type}) => {
+		if (type !== 'press' || !host.currentChannelId) return;
+		requestAdjacentMessageReply(host.currentChannelId, 1);
+	});
+	host.register('message_edit_prev', ({type}) => {
+		if (type !== 'press' || !host.currentChannelId) return;
+		startAdjacentMessageEdit(host.currentChannelId, -1);
+	});
+	host.register('message_edit_next', ({type}) => {
+		if (type !== 'press' || !host.currentChannelId) return;
+		startAdjacentMessageEdit(host.currentChannelId, 1);
+	});
 	host.register('message_forward', ({type, context}) => {
 		if (type !== 'press') return;
 		const message = context?.focusedMessage ?? MessageFocus.getFocusedMessage();