diff options
Diffstat (limited to 'src/threadlistview.h')
| -rw-r--r-- | src/threadlistview.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/threadlistview.h b/src/threadlistview.h index 0b4eafc..520d610 100644 --- a/src/threadlistview.h +++ b/src/threadlistview.h @@ -18,7 +18,7 @@ #pragma once -#include <QTableView> +#include <QTreeView> /// The thread list, with a row-wide strip of tag chips under each row's cells. /// @@ -36,11 +36,23 @@ /// The cells confine themselves to the upper band so the lower one is free; /// SubjectDelegate::kRowPadding and rowHeightFor() are the shared measurements /// that keep the two halves agreeing. -class ThreadListView : public QTableView +/// +/// A QTreeView rather than a QTableView since item 20: a thread's replies are +/// child rows, and a table can neither indent nor expand. The strip survived +/// the port because every geometry call it needs (visualRect, +/// columnViewportPosition, indexAt, indexBelow) exists on both. What did NOT +/// survive is anything keyed on a row NUMBER: a tree numbers rows per parent, +/// so row 0 exists once per expanded thread and a flat 0..N walk paints the +/// first thread's strip over every one of them. The walk below goes by index. +/// +/// The strip is painted for THREAD rows only. It carries the thread's tags, so +/// one under each reply would stripe the list and repeat identical tags down +/// the whole expansion. +class ThreadListView : public QTreeView { Q_OBJECT public: - using QTableView::QTableView; + using QTreeView::QTreeView; protected: void paintEvent(QPaintEvent *event) override; |