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Highlight the items before the selected one to give a visual aid about what is going to be executed

This commit is contained in:
Matthias Koefferlein 2024-07-29 00:32:41 +02:00
parent c6928d234c
commit 9165e81754
1 changed files with 25 additions and 4 deletions
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29
src/layui/layui/layDialogs.cc
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@ -1457,7 +1457,7 @@ class UndoRedoListViewModel
{
public:
UndoRedoListViewModel (QObject *parent, db::Manager *manager, bool for_undo)
: QAbstractListModel (parent), mp_manager (manager), m_for_undo (for_undo)
: QAbstractListModel (parent), mp_manager (manager), m_for_undo (for_undo), m_step (-1)
{
// .. nothing yet ..
}
@ -1477,9 +1477,14 @@ public:
delta = index.row ();
}
return QVariant (tl::to_qstring (mp_manager->undo_or_redo_item (delta)));
} else {
return QVariant ();
} else if (role == Qt::FontRole) {
if (index.row () <= m_step) {
QFont font;
font.setBold (true);
return QVariant (font);
}
}
return QVariant ();
}
QModelIndex index (int row, int column, const QModelIndex &parent) const
@ -1496,7 +1501,7 @@ public:
return QModelIndex ();
}
virtual int rowCount (const QModelIndex &parent) const
int rowCount (const QModelIndex &parent) const
{
if (parent.isValid ()) {
return 0;
@ -1505,9 +1510,18 @@ public:
}
}
void set_current_step (int step)
{
if (m_step != step) {
m_step = step;
emit dataChanged (index (0, 0, QModelIndex ()), index (rowCount (QModelIndex ()) - 1, 0, QModelIndex ()));
}
}
private:
db::Manager *mp_manager;
bool m_for_undo;
int m_step;
};
}
@ -1541,12 +1555,19 @@ UndoRedoListForm::selection_changed (const QModelIndex &current)
mp_ui->title_lbl->setText (m_for_undo ? tr ("Undo to step (select one)") : tr ("Redo to step (select one)"));
m_steps = -1;
} else {
m_steps = current.row () + 1;
if (m_steps == 1) {
mp_ui->title_lbl->setText (m_for_undo ? tr ("Undo one step") : tr ("Redo one step"));
} else {
mp_ui->title_lbl->setText ((m_for_undo ? tr ("Undo %1 steps") : tr ("Redo %1 steps")).arg (m_steps));
}
UndoRedoListViewModel *model = dynamic_cast<UndoRedoListViewModel *> (mp_ui->items->model ());
if (model) {
model->set_current_step (m_steps - 1);
}
}
}