Qt: add some sanity checks to prevent list crashes

This commit is contained in:
Megamouse 2019-08-10 13:50:27 +02:00
parent 0559e929d4
commit 697128464b
2 changed files with 81 additions and 19 deletions

View File

@ -187,9 +187,14 @@ void save_manager_dialog::Init(std::string dir)
connect(m_button_delete, &QAbstractButton::clicked, this, &save_manager_dialog::OnEntriesRemove);
connect(m_button_folder, &QAbstractButton::clicked, [=]()
{
int idx = m_list->currentRow();
int idx_real = m_list->item(idx, 1)->data(Qt::UserRole).toInt();
QString path = qstr(m_dir + m_save_entries[idx_real].dirName + "/");
const int idx = m_list->currentRow();
QTableWidgetItem* item = m_list->item(idx, 1);
if (!item)
{
return;
}
const int idx_real = item->data(Qt::UserRole).toInt();
const QString path = qstr(m_dir + m_save_entries[idx_real].dirName + "/");
QDesktopServices::openUrl(QUrl("file:///" + path));
});
connect(slider_icon_size, &QAbstractSlider::valueChanged, this, &save_manager_dialog::SetIconSize);
@ -197,11 +202,17 @@ void save_manager_dialog::Init(std::string dir)
connect(m_list, &QTableWidget::customContextMenuRequested, this, &save_manager_dialog::ShowContextMenu);
connect(m_list, &QTableWidget::cellChanged, [&](int row, int col)
{
int originalIndex = m_list->item(row, 1)->data(Qt::UserRole).toInt();
SaveDataEntry originalEntry = m_save_entries[originalIndex];
QString originalDirName = qstr(originalEntry.dirName);
QTableWidgetItem* user_item = m_list->item(row, 1);
QTableWidgetItem* text_item = m_list->item(row, col);
if (!user_item || !text_item)
{
return;
}
const int originalIndex = user_item->data(Qt::UserRole).toInt();
const SaveDataEntry originalEntry = m_save_entries[originalIndex];
const QString originalDirName = qstr(originalEntry.dirName);
QVariantMap currNotes = m_gui_settings->GetValue(gui::m_saveNotes).toMap();
currNotes[originalDirName] = m_list->item(row, col)->text();
currNotes[originalDirName] = text_item->text();
m_gui_settings->SetValue(gui::m_saveNotes, currNotes);
});
connect(m_list, &QTableWidget::itemSelectionChanged, this, &save_manager_dialog::UpdateDetails);
@ -287,6 +298,10 @@ void save_manager_dialog::UpdateIcons()
for (int i = 0; i < m_list->rowCount(); i++)
{
QTableWidgetItem* item = m_list->item(i, 0);
if (!item)
{
continue;
}
QPixmap data = item->data(Qt::UserRole).value<QPixmap>();
QPixmap icon = QPixmap(data.size() * dpr);
@ -328,7 +343,12 @@ void save_manager_dialog::OnEntryRemove()
int idx = m_list->currentRow();
if (idx != -1)
{
int idx_real = m_list->item(idx, 1)->data(Qt::UserRole).toInt();
QTableWidgetItem* item = m_list->item(idx, 1);
if (!item)
{
return;
}
const int idx_real = item->data(Qt::UserRole).toInt();
if (QMessageBox::question(this, tr("Delete Confirmation"), tr("Are you sure you want to delete:\n%1?").arg(qstr(m_save_entries[idx_real].title)), QMessageBox::Yes, QMessageBox::No) == QMessageBox::Yes)
{
fs::remove_all(m_dir + m_save_entries[idx_real].dirName + "/");
@ -356,7 +376,12 @@ void save_manager_dialog::OnEntriesRemove()
qSort(selection.begin(), selection.end(), qGreater<QModelIndex>());
for (QModelIndex index : selection)
{
int idx_real = m_list->item(index.row(), 1)->data(Qt::UserRole).toInt();
QTableWidgetItem* item = m_list->item(index.row(), 1);
if (!item)
{
continue;
}
const int idx_real = item->data(Qt::UserRole).toInt();
fs::remove_all(m_dir + m_save_entries[idx_real].dirName + "/");
m_list->removeRow(index.row());
}
@ -389,8 +414,13 @@ void save_manager_dialog::ShowContextMenu(const QPoint &pos)
connect(removeAct, &QAction::triggered, this, &save_manager_dialog::OnEntriesRemove); // entriesremove handles case of one as well
connect(showDirAct, &QAction::triggered, [=]()
{
int idx_real = m_list->item(idx, 1)->data(Qt::UserRole).toInt();
QString path = qstr(m_dir + m_save_entries[idx_real].dirName + "/");
QTableWidgetItem* item = m_list->item(idx, 1);
if (!item)
{
return;
}
const int idx_real = item->data(Qt::UserRole).toInt();
const QString path = qstr(m_dir + m_save_entries[idx_real].dirName + "/");
QDesktopServices::openUrl(QUrl("file:///" + path));
});
@ -438,10 +468,18 @@ void save_manager_dialog::UpdateDetails()
else
{
const int row = m_list->currentRow();
const int idx = m_list->item(row, 1)->data(Qt::UserRole).toInt();
QTableWidgetItem* item = m_list->item(row, 1);
QTableWidgetItem* icon_item = m_list->item(row, 0);
if (!item || !icon_item)
{
return;
}
const int idx = item->data(Qt::UserRole).toInt();
const SaveDataEntry& save = m_save_entries[idx];
m_details_icon->setPixmap(m_list->item(row, 0)->data(Qt::UserRole).value<QPixmap>());
m_details_icon->setPixmap(icon_item->data(Qt::UserRole).value<QPixmap>());
m_details_title->setText(qstr(save.title));
m_details_subtitle->setText(qstr(save.subtitle));
m_details_modified->setText(tr("Last modified: %1").arg(FormatTimestamp(save.mtime)));

View File

@ -319,7 +319,12 @@ trophy_manager_dialog::trophy_manager_dialog(std::shared_ptr<gui_settings> gui_s
{
return;
}
m_game_combo->setCurrentText(m_game_table->item(m_game_table->selectedItems().first()->row(), GameColumns::GameName)->text());
QTableWidgetItem* item = m_game_table->item(m_game_table->selectedItems().first()->row(), GameColumns::GameName);
if (!item)
{
return;
}
m_game_combo->setCurrentText(item->text());
});
RepaintUI();
@ -470,6 +475,10 @@ void trophy_manager_dialog::HandleRepaintUiRequest()
void trophy_manager_dialog::ResizeGameIcon(int index)
{
QTableWidgetItem* item = m_game_table->item(index, GameColumns::GameIcon);
if (!item)
{
return;
}
const QPixmap icon = item->data(Qt::UserRole).value<QPixmap>();
const int dpr = devicePixelRatio();
@ -512,7 +521,13 @@ void trophy_manager_dialog::ResizeTrophyIcons()
for (int i = 0; i < m_trophy_table->rowCount(); ++i)
{
const int trophy_id = m_trophy_table->item(i, TrophyColumns::Id)->text().toInt();
QTableWidgetItem* item = m_trophy_table->item(i, TrophyColumns::Id);
QTableWidgetItem* icon_item = m_trophy_table->item(i, TrophyColumns::Icon);
if (!item || !icon_item)
{
continue;
}
const int trophy_id = item->text().toInt();
const QPixmap icon = m_trophies_db[db_pos]->trophy_images[trophy_id];
QPixmap new_icon = QPixmap(icon.size() * dpr);
@ -527,7 +542,7 @@ void trophy_manager_dialog::ResizeTrophyIcons()
}
const QPixmap scaled = new_icon.scaledToHeight(new_height, Qt::SmoothTransformation);
m_trophy_table->item(i, TrophyColumns::Icon)->setData(Qt::DecorationRole, scaled);
icon_item->setData(Qt::DecorationRole, scaled);
}
ReadjustTrophyTable();
@ -542,11 +557,20 @@ void trophy_manager_dialog::ApplyFilter()
for (int i = 0; i < m_trophy_table->rowCount(); ++i)
{
int trophy_id = m_trophy_table->item(i, TrophyColumns::Id)->text().toInt();
QString trophy_type = m_trophy_table->item(i, TrophyColumns::Type)->text();
QTableWidgetItem* item = m_trophy_table->item(i, TrophyColumns::Id);
QTableWidgetItem* type_item = m_trophy_table->item(i, TrophyColumns::Type);
QTableWidgetItem* icon_item = m_trophy_table->item(i, TrophyColumns::Icon);
if (!item || !type_item || !icon_item)
{
continue;
}
const int trophy_id = item->text().toInt();
const QString trophy_type = type_item->text();
// I could use boolean logic and reduce this to something much shorter and also much more confusing...
bool hidden = m_trophy_table->item(i, TrophyColumns::Icon)->data(Qt::UserRole).toBool();
bool hidden = icon_item->data(Qt::UserRole).toBool();
bool trophy_unlocked = m_trophies_db[db_pos]->trop_usr->GetTrophyUnlockState(trophy_id);
bool hide = false;