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-rw-r--r--src/threadlistmodel.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/threadlistmodel.h b/src/threadlistmodel.h
index b80488b..b13165c 100644
--- a/src/threadlistmodel.h
+++ b/src/threadlistmodel.h
@@ -103,6 +103,26 @@ public:
/// delegate cannot call hasChildren without the model, and the same
/// answer has to reach the cell that reserves room for the glyph.
HasRepliesRole,
+
+ /// The tags this MESSAGE carries that its thread does not.
+ ///
+ /// A reply card shows these and nothing else. Showing a reply's full
+ /// tag set instead was measured against the user's own database and
+ /// rejected: of 48691 messages, 7 carry `unread` and 75 carry
+ /// `flagged`, and both are already drawn another way (the sender's
+ /// weight, and the mark on line 2). Every other tag is applied to a
+ /// whole thread and is identical on all its messages, so full sets
+ /// would repeat the thread's own chips down the entire expansion,
+ /// which is the striping the old row-wide strip existed to avoid.
+ ///
+ /// Empty on a thread row, which has no thread to differ from.
+ MessageOwnTagsRole,
+
+ /// The colours for MessageOwnTagsRole, in the same order. Supplied by
+ /// the model for the same reason as PillColoursRole: it owns the
+ /// TagColors instance, and a delegate reading config itself would be a
+ /// second source of truth.
+ MessageOwnColoursRole,
};
/// Row fill for a thread tagged `deleted`, and for one tagged `spam`.