Fix warnings and deprecated functions

- For QCheckBox: stateChanged -> checkStateChanged

- QChar(PREANIM) -> QLatin1Char(PREANIM)

- Unused result on demo_file.open()

- QPointer include was missing from lobby.h

- Missing const and override qualifiers

2 files changed, 2 insertions, 2 deletions

diff --git a/src/widgets/aooptionsdialog.cpp b/src/widgets/aooptionsdialog.cpp
index eeab53b..e1648da 100644
--- a/src/widgets/aooptionsdialog.cpp
+++ b/src/widgets/aooptionsdialog.cpp
@@ -557,7 +557,7 @@ void AOOptionsDialog::setupUI()
 
   FROM_UI(QCheckBox, log_timestamp_cb);
   registerOption<QCheckBox, bool>("log_timestamp_cb", &Options::logTimestampEnabled, &Options::setLogTimestampEnabled);
-  connect(ui_log_timestamp_cb, &QCheckBox::stateChanged, this, &::AOOptionsDialog::timestampCbChanged);
+  connect(ui_log_timestamp_cb, &QCheckBox::checkStateChanged, this, &::AOOptionsDialog::timestampCbChanged);
   ui_log_timestamp_format_lbl->setText(tr("Log timestamp format:\n") + QDateTime::currentDateTime().toString(Options::getInstance().logTimestampFormat()));
 
   FROM_UI(QComboBox, log_timestamp_format_combobox);
diff --git a/src/widgets/playerlistwidget.cpp b/src/widgets/playerlistwidget.cpp
index 04147b8..c67c6b0 100644
--- a/src/widgets/playerlistwidget.cpp
+++ b/src/widgets/playerlistwidget.cpp
@@ -136,7 +136,7 @@ void PlayerListWidget::onCustomContextMenuRequested(const QPoint &pos)
 
 void PlayerListWidget::addPlayer(int playerId)
 {
-  m_player_map.insert(playerId, PlayerData{.id = playerId});
+  m_player_map[playerId].id = playerId;
   QListWidgetItem *item = new QListWidgetItem(this);
   item->setData(Qt::UserRole, playerId);
   m_item_map.insert(playerId, item);