Add a setting for the timeout stack style:

"Stack" is the default behaviour, it will search 20 messages up and 5
seconds back in time to stack the timeout.
"Stack sparingly" will try to do the same, but only if the user has not
typed a message inbetween the this and the last timeout.

Fixes #1157

src/common/Channel.cpp

@@ -6,6 +6,7 @@
 #include "messages/MessageBuilder.hpp"
 #include "singletons/Emotes.hpp"
 #include "singletons/Logging.hpp"
+#include "singletons/Settings.hpp"
 #include "singletons/WindowManager.hpp"
 
 #include <QJsonArray>
@@ -102,6 +103,9 @@ void Channel::addOrReplaceTimeout(MessagePtr message)
 
     QTime minimumTime = QTime::currentTime().addSecs(-5);
 
+    auto timeoutStackStyle = static_cast<TimeoutStackStyle>(
+        getSettings()->timeoutStackStyle.getValue());
+
     for (int i = snapshotLength - 1; i >= end; --i)
     {
         auto &s = snapshot[i];
@@ -117,6 +121,16 @@ void Channel::addOrReplaceTimeout(MessagePtr message)
             break;
         }
 
+        if (timeoutStackStyle == TimeoutStackStyle::DontStackBeyondUserMessage)
+        {
+            if (s->loginName == message->timeoutUser &&
+                s->flags.hasNone({MessageFlag::Disabled, MessageFlag::Timeout,
+                                  MessageFlag::Untimeout}))
+            {
+                break;
+            }
+        }
+
         if (s->flags.has(MessageFlag::Timeout) &&
             s->timeoutUser == message->timeoutUser)  //
         {

src/common/Channel.hpp

@@ -18,6 +18,13 @@ using MessagePtr = std::shared_ptr<const Message>;
 enum class MessageFlag : uint32_t;
 using MessageFlags = FlagsEnum<MessageFlag>;
 
+enum class TimeoutStackStyle : int {
+    StackHard = 0,
+    DontStackBeyondUserMessage = 1,
+
+    Default = StackHard,
+};
+
 class Channel : public std::enable_shared_from_this<Channel>
 {
 public:

src/singletons/Settings.hpp

@@ -2,6 +2,7 @@
 
 #include "BaseSettings.hpp"
 
+#include "common/Channel.hpp"
 #include "controllers/highlights/HighlightPhrase.hpp"
 #include "controllers/moderationactions/ModerationAction.hpp"
 #include "singletons/Toasts.hpp"
@@ -129,6 +130,9 @@ public:
 
     /// Moderation
     QStringSetting timeoutAction = {"/moderation/timeoutAction", "Disable"};
+    IntSetting timeoutStackStyle = {
+        "/moderation/timeoutStackStyle",
+        static_cast<int>(TimeoutStackStyle::Default)};
 
     /// Highlighting
     //    BoolSetting enableHighlights = {"/highlighting/enabled", true};

src/widgets/settingspages/GeneralPage.cpp

@@ -217,6 +217,10 @@ void GeneralPage::initLayout(SettingsLayout &layout)
     // layout.addDropdown("Last read message style", {"Default"});
     layout.addCheckbox("Hide moderated messages", s.hideModerated);
     layout.addCheckbox("Hide moderation messages", s.hideModerationActions);
+    layout.addDropdown<int>(
+        "Timeout stacking style", {"Stack", "Stack sparingly"},
+        s.timeoutStackStyle, [](int index) { return index; },
+        [](auto args) { return args.index; }, false);
 
     layout.addTitle("Emotes");
     layout.addDropdown<float>(