compose: Avoid translating Zulip message destinations

The '#channel > topic' style strings are not supposed to be translated
into different languages as they are Zulip's language of expressing the
desintation, not something bound to the English language.

See also:
  #1148 (comment)

Signed-off-by: Zixuan James Li <[email protected]>

Author: PIG208

assets/l10n/app_en.arb

@@ -348,12 +348,11 @@
   "@composeBoxSelfDmContentHint": {
     "description": "Hint text for content input when sending a message to yourself."
   },
-  "composeBoxChannelContentHint": "Message #{channel} > {topic}",
+  "composeBoxChannelContentHint": "Message {destination}",
   "@composeBoxChannelContentHint": {
-    "description": "Hint text for content input when sending a message to a channel",
+    "description": "Hint text for content input when sending a message to a channel.",
     "placeholders": {
-      "channel": {"type": "String", "example": "channel name"},
-      "topic": {"type": "String", "example": "topic name"}
+      "destination": {"type": "String", "example": "#channel name > topic name"}
     }
   },
   "composeBoxSendTooltip": "Send",

assets/l10n/app_pl.arb

@@ -263,20 +263,6 @@
   "@composeBoxSelfDmContentHint": {
     "description": "Hint text for content input when sending a message to yourself."
   },
-  "composeBoxChannelContentHint": "Wiadomość #{channel} > {topic}",
-  "@composeBoxChannelContentHint": {
-    "description": "Hint text for content input when sending a message to a channel",
-    "placeholders": {
-      "channel": {
-        "type": "String",
-        "example": "channel name"
-      },
-      "topic": {
-        "type": "String",
-        "example": "topic name"
-      }
-    }
-  },
   "composeBoxTopicHintText": "Wątek",
   "@composeBoxTopicHintText": {
     "description": "Hint text for topic input widget in compose box."

assets/l10n/app_ru.arb

@@ -373,20 +373,6 @@
   "@composeBoxGenericContentHint": {
     "description": "Hint text for content input when sending a message."
   },
-  "composeBoxChannelContentHint": "Сообщение для #{channel} > {topic}",
-  "@composeBoxChannelContentHint": {
-    "description": "Hint text for content input when sending a message to a channel",
-    "placeholders": {
-      "channel": {
-        "type": "String",
-        "example": "channel name"
-      },
-      "topic": {
-        "type": "String",
-        "example": "topic name"
-      }
-    }
-  },
   "composeBoxSendTooltip": "Отправить",
   "@composeBoxSendTooltip": {
     "description": "Tooltip for send button in compose box."

lib/generated/l10n/zulip_localizations.dart

@@ -567,11 +567,11 @@ abstract class ZulipLocalizations {
   /// **'Jot down something'**
   String get composeBoxSelfDmContentHint;
 
-  /// Hint text for content input when sending a message to a channel
+  /// Hint text for content input when sending a message to a channel.
   ///
   /// In en, this message translates to:
-  /// **'Message #{channel} > {topic}'**
-  String composeBoxChannelContentHint(String channel, String topic);
+  /// **'Message {destination}'**
+  String composeBoxChannelContentHint(String destination);
 
   /// Tooltip for send button in compose box.
   ///

lib/generated/l10n/zulip_localizations_ar.dart

@@ -276,8 +276,8 @@ class ZulipLocalizationsAr extends ZulipLocalizations {
   String get composeBoxSelfDmContentHint => 'Jot down something';
 
   @override
-  String composeBoxChannelContentHint(String channel, String topic) {
-    return 'Message #$channel > $topic';
+  String composeBoxChannelContentHint(String destination) {
+    return 'Message $destination';
   }
 
   @override

lib/generated/l10n/zulip_localizations_en.dart

@@ -276,8 +276,8 @@ class ZulipLocalizationsEn extends ZulipLocalizations {
   String get composeBoxSelfDmContentHint => 'Jot down something';
 
   @override
-  String composeBoxChannelContentHint(String channel, String topic) {
-    return 'Message #$channel > $topic';
+  String composeBoxChannelContentHint(String destination) {
+    return 'Message $destination';
   }
 
   @override

lib/generated/l10n/zulip_localizations_ja.dart

@@ -276,8 +276,8 @@ class ZulipLocalizationsJa extends ZulipLocalizations {
   String get composeBoxSelfDmContentHint => 'Jot down something';
 
   @override
-  String composeBoxChannelContentHint(String channel, String topic) {
-    return 'Message #$channel > $topic';
+  String composeBoxChannelContentHint(String destination) {
+    return 'Message $destination';
   }
 
   @override

lib/generated/l10n/zulip_localizations_nb.dart

@@ -276,8 +276,8 @@ class ZulipLocalizationsNb extends ZulipLocalizations {
   String get composeBoxSelfDmContentHint => 'Jot down something';
 
   @override
-  String composeBoxChannelContentHint(String channel, String topic) {
-    return 'Message #$channel > $topic';
+  String composeBoxChannelContentHint(String destination) {
+    return 'Message $destination';
   }
 
   @override

lib/generated/l10n/zulip_localizations_pl.dart

@@ -276,8 +276,8 @@ class ZulipLocalizationsPl extends ZulipLocalizations {
   String get composeBoxSelfDmContentHint => 'Zanotuj coś na przyszłość';
 
   @override
-  String composeBoxChannelContentHint(String channel, String topic) {
-    return 'Wiadomość #$channel > $topic';
+  String composeBoxChannelContentHint(String destination) {
+    return 'Message $destination';
   }
 
   @override

lib/generated/l10n/zulip_localizations_ru.dart

@@ -276,8 +276,8 @@ class ZulipLocalizationsRu extends ZulipLocalizations {
   String get composeBoxSelfDmContentHint => 'Сделать заметку';
 
   @override
-  String composeBoxChannelContentHint(String channel, String topic) {
-    return 'Сообщение для #$channel > $topic';
+  String composeBoxChannelContentHint(String destination) {
+    return 'Message $destination';
   }
 
   @override

lib/generated/l10n/zulip_localizations_sk.dart

@@ -276,8 +276,8 @@ class ZulipLocalizationsSk extends ZulipLocalizations {
   String get composeBoxSelfDmContentHint => 'Jot down something';
 
   @override
-  String composeBoxChannelContentHint(String channel, String topic) {
-    return 'Message #$channel > $topic';
+  String composeBoxChannelContentHint(String destination) {
+    return 'Message $destination';
   }
 
   @override

lib/widgets/compose_box.dart

@@ -590,7 +590,11 @@ class _StreamContentInputState extends State<_StreamContentInput> {
       destination: TopicNarrow(widget.narrow.streamId, topic),
       controller: widget.controller,
       hintText: zulipLocalizations.composeBoxChannelContentHint(
-        streamName, topic.displayName));
+        // No i18n of this use of "#" and ">" string; those are part of how
+        // Zulip expresses channels and topics, not any normal English punctuation,
+        // so don't make sense to translate. See:
+        //   https://github.com/zulip/zulip-flutter/pull/1148#discussion_r1941990585
+        '#$streamName > ${topic.displayName}'));
   }
 }
 
@@ -649,7 +653,11 @@ class _FixedDestinationContentInput extends StatelessWidget {
         final streamName = store.streams[streamId]?.name
           ?? zulipLocalizations.unknownChannelName;
         return zulipLocalizations.composeBoxChannelContentHint(
-          streamName, topic.displayName);
+          // No i18n of this use of "#" and ">" string; those are part of how
+          // Zulip expresses channels and topics, not any normal English punctuation,
+          // so don't make sense to translate. See:
+          //   https://github.com/zulip/zulip-flutter/pull/1148#discussion_r1941990585
+          '#$streamName > ${topic.displayName}');
 
       case DmNarrow(otherRecipientIds: []): // The self-1:1 thread.
         return zulipLocalizations.composeBoxSelfDmContentHint;