Add new command placeholders: {channel.name}, {channel.id}, {stream.game}, {stream.title}, {my.id}, {my.name} (#3155)

Co-authored-by: Rasmus Karlsson <rasmus.karlsson@pajlada.com>

src/widgets/helper/ChannelView.cpp

@@ -2101,12 +2101,24 @@ void ChannelView::handleLinkClick(QMouseEvent *event, const Link &link,
                 }
             }
 
-            value.replace("{user}", layout->getMessage()->loginName)
-                .replace("{channel}", this->channel_->getName())
-                .replace("{msg-id}", layout->getMessage()->id)
-                .replace("{message}", layout->getMessage()->messageText);
+            value = getApp()->commands->execCustomCommand(
+                QStringList(), Command{"(modaction)", value}, true, channel,
+                {
+                    {"user.name", layout->getMessage()->loginName},
+                    {"msg.id", layout->getMessage()->id},
+                    {"msg.text", layout->getMessage()->messageText},
+
+                    // old placeholders
+                    {"user", layout->getMessage()->loginName},
+                    {"msg-id", layout->getMessage()->id},
+                    {"message", layout->getMessage()->messageText},
+
+                    // new version of this is inside execCustomCommand
+                    {"channel", this->channel()->getName()},
+                });
 
             value = getApp()->commands->execCommand(value, channel, false);
+
             channel->sendMessage(value);
         }
         break;

src/widgets/settingspages/ModerationPage.cpp

@@ -157,8 +157,8 @@ ModerationPage::ModerationPage()
         // clang-format off
         auto label = modMode.emplace<QLabel>(
             "Moderation mode is enabled by clicking <img width='18' height='18' src=':/buttons/modModeDisabled.png'> in a channel that you moderate.<br><br>"
-            "Moderation buttons can be bound to chat commands such as \"/ban {user}\", \"/timeout {user} 1000\", \"/w someusername !report {user} was bad in channel {channel}\" or any other custom text commands.<br>"
-            "For deleting messages use /delete {msg-id}.<br><br>"
+            "Moderation buttons can be bound to chat commands such as \"/ban {user.name}\", \"/timeout {user.name} 1000\", \"/w someusername !report {user.name} was bad in channel {channel.name}\" or any other custom text commands.<br>"
+            "For deleting messages use /delete {msg.id}.<br><br>"
             "More information can be found <a href='https://wiki.chatterino.com/Moderation/#moderation-mode'>here</a>.");
         label->setOpenExternalLinks(true);
         label->setWordWrap(true);
@@ -188,7 +188,7 @@ ModerationPage::ModerationPage()
 
         view->addButtonPressed.connect([] {
             getSettings()->moderationActions.append(
-                ModerationAction("/timeout {user} 300"));
+                ModerationAction("/timeout {user.name} 300"));
         });
     }