git.sesse.net Git - pkanalytics/blob - main.cpp

   1 #include <QMediaPlayer>
   2 #include <QMainWindow>
   3 #include <QApplication>
   4 #include <QGridLayout>
   5 #include <QVideoWidget>
   6 #include <QShortcut>
   7 #include <QInputDialog>
   8 #include <algorithm>
   9 #include <string>
  10 #include <map>
  11 #include <vector>
  12 #include <optional>
  13 #include <sqlite3.h>
  14 #include "mainwindow.h"
  15 #include "ui_mainwindow.h"
  16 #include "events.h"
  17 #include "players.h"
  18
  19 using namespace std;
  20
  21 string format_timestamp(uint64_t pos)
  22 {
  23         int ms = pos % 1000;
  24         pos /= 1000;
  25         int sec = pos % 60;
  26         pos /= 60;
  27         int min = pos % 60;
  28         int hour = pos / 60;
  29
  30         char buf[256];
  31         snprintf(buf, sizeof(buf), "%d:%02d:%02d.%03d", hour, min, sec, ms);
  32         return buf;
  33 }
  34
  35 MainWindow::MainWindow(EventsModel *events, PlayersModel *players) : events(events), players(players)
  36 {
  37         video = new QMediaPlayer;
  38         //video->setSource(QUrl::fromLocalFile("/home/sesse/dev/stats/ultimate.mkv"));
  39         video->setSource(QUrl::fromLocalFile("/home/sesse/dev/stats/ultimate-prores.mkv"));
  40         video->play();
  41
  42         ui = new Ui::MainWindow;
  43         ui->setupUi(this);
  44
  45         ui->event_view->setModel(events);
  46         connect(ui->event_view->selectionModel(), &QItemSelectionModel::currentRowChanged,
  47                 [this, events](const QModelIndex &current, const QModelIndex &previous) {
  48                         uint64_t t = events->get_time(current.row());
  49                         if (t != video->position()) {
  50                                 video->setPosition(events->get_time(current.row()));
  51                         } else {
  52                                 // Selection could have changed, so we still need to update.
  53                                 // (Just calling setPosition() would not give us the signal
  54                                 // in this case.)
  55                                 update_ui_from_time(t);
  56                         }
  57                 });
  58
  59         ui->player_view->setModel(players);
  60         ui->player_view->setColumnWidth(0, 30);
  61         ui->player_view->setColumnWidth(1, 20);
  62         ui->player_view->horizontalHeader()->setStretchLastSection(true);
  63
  64         connect(video, &QMediaPlayer::positionChanged, [this](uint64_t pos) {
  65                 position_changed(pos);
  66         });
  67
  68         video->setVideoOutput(ui->video);
  69
  70         // It's not really clear whether PgUp should be forwards or backwards,
  71         // but mpv does at least up = forwards, so that's probably standard.
  72         QShortcut *pgdown = new QShortcut(QKeySequence(Qt::Key_PageDown), this);
  73         connect(pgdown, &QShortcut::activated, [this]() { seek(-120000); });
  74         QShortcut *pgup = new QShortcut(QKeySequence(Qt::Key_PageUp), this);
  75         connect(pgup, &QShortcut::activated, [this]() { seek(120000); });
  76
  77         connect(ui->minus10s, &QPushButton::clicked, [this]() { seek(-10000); });
  78         connect(ui->plus10s, &QPushButton::clicked, [this]() { seek(10000); });
  79
  80         connect(ui->minus2s, &QPushButton::clicked, [this]() { seek(-2000); });
  81         connect(ui->plus2s, &QPushButton::clicked, [this]() { seek(2000); });
  82
  83         // TODO: Would be nice to actually have a frame...
  84         connect(ui->minus1f, &QPushButton::clicked, [this]() { seek(-20); });
  85         connect(ui->plus1f, &QPushButton::clicked, [this]() { seek(20); });
  86
  87         connect(ui->play_pause, &QPushButton::clicked, [this]() {
  88                 if (playing) {
  89                         video->pause();
  90                         ui->play_pause->setText("Play (space)");
  91                 } else {
  92                         video->setPlaybackRate(1.0);
  93                         video->play();
  94                         ui->play_pause->setText("Pause (space)");
  95                 }
  96                 playing = !playing;
  97
  98                 // Needs to be set anew when we modify setText(), evidently.
  99                 ui->play_pause->setShortcut(QCoreApplication::translate("MainWindow", "Space", nullptr));
 100         });
 101
 102         connect(ui->player_1, &QPushButton::clicked, [this]() { insert_player_event(0); });
 103         connect(ui->player_2, &QPushButton::clicked, [this]() { insert_player_event(1); });
 104         connect(ui->player_3, &QPushButton::clicked, [this]() { insert_player_event(2); });
 105         connect(ui->player_4, &QPushButton::clicked, [this]() { insert_player_event(3); });
 106         connect(ui->player_5, &QPushButton::clicked, [this]() { insert_player_event(4); });
 107         connect(ui->player_6, &QPushButton::clicked, [this]() { insert_player_event(5); });
 108         connect(ui->player_7, &QPushButton::clicked, [this]() { insert_player_event(6); });
 109
 110         // Offensive events
 111         connect(ui->offense_label, &ClickableLabel::clicked, [this]() { insert_noplayer_event("set_offense"); });
 112         connect(ui->catch_, &QPushButton::clicked, [this]() { set_current_event_type("catch"); });
 113         connect(ui->throwaway, &QPushButton::clicked, [this, events]() {
 114                 EventsModel::Status s = events->get_status_at(video->position());
 115                 if (s.attack_state == EventsModel::Status::DEFENSE && s.pull_state == EventsModel::Status::PULL_IN_AIR) {
 116                         insert_noplayer_event("pull_oob");
 117                 } else {
 118                         set_current_event_type("throwaway");
 119                 }
 120         });
 121         connect(ui->drop, &QPushButton::clicked, [this]() { set_current_event_type("drop"); });
 122         connect(ui->goal, &QPushButton::clicked, [this]() { set_current_event_type("goal"); });
 123         connect(ui->offensive_soft_plus, &QPushButton::clicked, [this]() { set_current_event_type("offensive_soft_plus"); });
 124         connect(ui->offensive_soft_minus, &QPushButton::clicked, [this]() { set_current_event_type("offensive_soft_minus"); });
 125         connect(ui->pull, &QPushButton::clicked, [this, events]() {
 126                 EventsModel::Status s = events->get_status_at(video->position());
 127                 if (s.pull_state == EventsModel::Status::SHOULD_PULL) {
 128                         set_current_event_type("pull");
 129                 } else if (EventsModel::Status::PULL_IN_AIR) {
 130                         insert_noplayer_event("pull_landed");
 131                 }
 132         });
 133
 134         // Defensive events (TODO add more)
 135         connect(ui->defense_label, &ClickableLabel::clicked, [this]() { insert_noplayer_event("set_defense"); });
 136         connect(ui->their_throwaway, &QPushButton::clicked, [this]() { insert_noplayer_event("their_throwaway"); });
 137         connect(ui->their_goal, &QPushButton::clicked, [this]() { insert_noplayer_event("their_goal"); });
 138         connect(ui->their_pull, &QPushButton::clicked, [this, events]() {
 139                 EventsModel::Status s = events->get_status_at(video->position());
 140                 if (s.pull_state == EventsModel::Status::SHOULD_PULL) {
 141                         insert_noplayer_event("their_pull");
 142                 }
 143         });
 144         connect(ui->our_defense, &QPushButton::clicked, [this]() { set_current_event_type("defense"); });
 145         connect(ui->defensive_soft_plus, &QPushButton::clicked, [this]() { set_current_event_type("defensive_soft_plus"); });
 146         connect(ui->defensive_soft_minus, &QPushButton::clicked, [this]() { set_current_event_type("defensive_soft_minus"); });
 147
 148         // Misc. events
 149         connect(ui->substitution, &QPushButton::clicked, [this]() { make_substitution(); });
 150         connect(ui->stoppage, &QPushButton::clicked, [this, events]() {
 151                 EventsModel::Status s = events->get_status_at(video->position());
 152                 if (s.stoppage) {
 153                         insert_noplayer_event("restart");
 154                 } else {
 155                         insert_noplayer_event("stoppage");
 156                 }
 157         });
 158         connect(ui->unknown, &QPushButton::clicked, [this]() { insert_noplayer_event("unknown"); });
 159
 160         QShortcut *key_delete = new QShortcut(QKeySequence(Qt::Key_Delete), this);
 161         connect(key_delete, &QShortcut::activated, [this]() { ui->delete_->animateClick(); });
 162         connect(ui->delete_, &QPushButton::clicked, [this]() { delete_current_event(); });
 163 }
 164
 165 void MainWindow::position_changed(uint64_t pos)
 166 {
 167         ui->timestamp->setText(QString::fromUtf8(format_timestamp(pos)));
 168         if (buffered_seek) {
 169                 video->setPosition(*buffered_seek);
 170                 buffered_seek.reset();
 171         }
 172         if (!playing) {
 173                 video->pause();  // We only played to get a picture.
 174         }
 175         if (playing) {
 176                 QModelIndex row = events->get_last_event_qt(video->position());
 177                 ui->event_view->scrollTo(row, QAbstractItemView::PositionAtCenter);
 178         }
 179         update_ui_from_time(pos);
 180 }
 181
 182 void MainWindow::seek(int64_t delta_ms)
 183 {
 184         int64_t current_pos = buffered_seek ? *buffered_seek : video->position();
 185         uint64_t pos = max<int64_t>(current_pos + delta_ms, 0);
 186         buffered_seek = pos;
 187         if (!playing) {
 188                 video->setPlaybackRate(0.01);
 189                 video->play();  // Or Qt won't show the seek.
 190         }
 191 }
 192
 193 void MainWindow::insert_player_event(int button_id)
 194 {
 195         uint64_t t = video->position();
 196         vector<int> team = events->sort_team(events->get_team_at(t));
 197         if (button_id >= team.size()) {
 198                 return;
 199         }
 200         int player_id = team[button_id];
 201
 202         EventsModel::Status s = events->get_status_at(t);
 203
 204         ui->event_view->selectionModel()->blockSignals(true);
 205         if (s.attack_state == EventsModel::Status::OFFENSE) {
 206                 // TODO: Perhaps not if that player already did the last catch?
 207                 ui->event_view->selectRow(events->insert_event(t, player_id, "catch"));
 208         } else {
 209                 ui->event_view->selectRow(events->insert_event(t, player_id));
 210         }
 211         ui->event_view->selectionModel()->blockSignals(false);
 212
 213         update_ui_from_time(t);
 214 }
 215
 216 void MainWindow::insert_noplayer_event(const string &type)
 217 {
 218         uint64_t t = video->position();
 219
 220         ui->event_view->selectionModel()->blockSignals(true);
 221         ui->event_view->selectRow(events->insert_event(t, nullopt, type));
 222         ui->event_view->selectionModel()->blockSignals(false);
 223
 224         update_ui_from_time(t);
 225 }
 226
 227 void MainWindow::set_current_event_type(const string &type)
 228 {
 229         QItemSelectionModel *select = ui->event_view->selectionModel();
 230         if (!select->hasSelection()) {
 231                 return;
 232         }
 233         int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 234         events->set_event_type(row, type);
 235         update_ui_from_time(video->position());
 236 }
 237
 238 void MainWindow::delete_current_event()
 239 {
 240         QItemSelectionModel *select = ui->event_view->selectionModel();
 241         if (!select->hasSelection()) {
 242                 return;
 243         }
 244         int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 245         ui->event_view->selectionModel()->blockSignals(true);
 246         events->delete_event(row);
 247         ui->event_view->selectionModel()->blockSignals(false);
 248         update_ui_from_time(video->position());
 249 }
 250
 251 void MainWindow::make_substitution()
 252 {
 253         QItemSelectionModel *select = ui->player_view->selectionModel();
 254         set<int> new_team;
 255         for (QModelIndex row : select->selectedRows()) {
 256                 new_team.insert(players->get_player_id(row.row()));
 257         }
 258         events->set_team_at(video->position(), new_team);
 259 }
 260
 261 void MainWindow::update_ui_from_time(uint64_t t)
 262 {
 263         update_status(t);
 264         update_player_buttons(t);
 265         update_action_buttons(t);
 266 }
 267
 268 void MainWindow::update_status(uint64_t t)
 269 {
 270         EventsModel::Status s = events->get_status_at(t);
 271         char buf[256];
 272         const char *offense = "not started";
 273         if (s.attack_state == EventsModel::Status::OFFENSE) {
 274                 offense = "offense";
 275         } else if (s.attack_state == EventsModel::Status::DEFENSE) {
 276                 offense = "defense";
 277         }
 278
 279         snprintf(buf, sizeof(buf), "%d–%d | %s | %d passes, %d sec possession",
 280                 s.our_score, s.their_score, offense, s.num_passes, s.possession_sec);
 281         if (s.stoppage_sec > 0) {
 282                 char buf2[256];
 283                 snprintf(buf2, sizeof(buf2), "%s (plus %d sec stoppage)", buf, s.stoppage_sec);
 284                 ui->status->setText(buf2);
 285         } else {
 286                 ui->status->setText(buf);
 287         }
 288 }
 289
 290 void MainWindow::update_player_buttons(uint64_t t)
 291 {
 292         QPushButton *buttons[] = {
 293                 ui->player_1,
 294                 ui->player_2,
 295                 ui->player_3,
 296                 ui->player_4,
 297                 ui->player_5,
 298                 ui->player_6,
 299                 ui->player_7
 300         };
 301         const char shortcuts[] = "qweasdf";
 302         int num_players = 0;
 303         for (int player_id : events->sort_team(events->get_team_at(t))) {
 304                 QPushButton *btn = buttons[num_players];
 305                 string label = players->get_player_name_by_id(player_id) + " (&" + shortcuts[num_players] + ")";
 306                 char shortcut[2] = "";
 307                 shortcut[0] = toupper(shortcuts[num_players]);
 308                 btn->setText(QString::fromUtf8(label));
 309                 btn->setShortcut(QCoreApplication::translate("MainWindow", shortcut, nullptr));
 310                 btn->setEnabled(true);
 311                 if (++num_players == 7) {
 312                         break;
 313                 }
 314         }
 315         for (int i = num_players; i < 7; ++i) {
 316                 QPushButton *btn = buttons[i];
 317                 btn->setText("No player");
 318                 btn->setEnabled(false);
 319         }
 320 }
 321
 322 void MainWindow::update_action_buttons(uint64_t t)
 323 {
 324         EventsModel::Status s = events->get_status_at(t);
 325
 326         bool has_selection = false;
 327         bool has_selection_with_player = false;
 328
 329         QItemSelectionModel *select = ui->event_view->selectionModel();
 330         if (select->hasSelection()) {
 331                 has_selection = true;
 332                 int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 333                 has_selection_with_player = events->get_player_id(row).has_value();
 334         }
 335         ui->delete_->setEnabled(has_selection);
 336
 337         if (s.stoppage) {
 338                 ui->stoppage->setText("Restart (&v)");
 339                 ui->stoppage->setShortcut(QCoreApplication::translate("MainWindow", "V", nullptr));
 340                 ui->catch_->setEnabled(false);
 341                 ui->throwaway->setEnabled(false);
 342                 ui->drop->setEnabled(false);
 343                 ui->goal->setEnabled(false);
 344                 ui->offensive_soft_plus->setEnabled(false);
 345                 ui->offensive_soft_minus->setEnabled(false);
 346                 ui->pull->setEnabled(false);
 347                 ui->interception->setEnabled(false);
 348                 ui->their_throwaway->setEnabled(false);
 349                 ui->our_defense->setEnabled(false);
 350                 ui->their_goal->setEnabled(false);
 351                 ui->defensive_soft_plus->setEnabled(false);
 352                 ui->defensive_soft_minus->setEnabled(false);
 353                 ui->their_pull->setEnabled(false);
 354                 return;
 355         } else {
 356                 ui->stoppage->setText("Stoppage (&v)");
 357                 ui->stoppage->setShortcut(QCoreApplication::translate("MainWindow", "V", nullptr));
 358         }
 359
 360         // Defaults for pull-related buttons.
 361         ui->pull->setText("Pull (&p)");
 362         ui->their_pull->setText("Their pull (&p)");
 363         ui->pull->setShortcut(QCoreApplication::translate("MainWindow", "P", nullptr));
 364         ui->their_pull->setShortcut(QCoreApplication::translate("MainWindow", "P", nullptr));
 365         ui->throwaway->setText("Throwaway (&t)");
 366         ui->throwaway->setShortcut(QCoreApplication::translate("MainWindow", "T", nullptr));
 367
 368         if (s.pull_state == EventsModel::Status::SHOULD_PULL) {
 369                 ui->pull->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 370                 ui->their_pull->setEnabled(s.attack_state == EventsModel::Status::OFFENSE);
 371
 372                 ui->catch_->setEnabled(false);
 373                 ui->throwaway->setEnabled(false);
 374                 ui->drop->setEnabled(false);
 375                 ui->goal->setEnabled(false);
 376                 ui->offensive_soft_plus->setEnabled(false);
 377                 ui->offensive_soft_minus->setEnabled(false);
 378                 ui->interception->setEnabled(false);
 379                 ui->their_throwaway->setEnabled(false);
 380                 ui->our_defense->setEnabled(false);
 381                 ui->their_goal->setEnabled(false);
 382                 ui->defensive_soft_plus->setEnabled(false);
 383                 ui->defensive_soft_minus->setEnabled(false);
 384                 return;
 385         }
 386         if (s.pull_state == EventsModel::Status::PULL_IN_AIR) {
 387                 if (s.attack_state == EventsModel::Status::DEFENSE) {
 388                         ui->pull->setText("Pull landed (&p)");
 389                         ui->pull->setShortcut(QCoreApplication::translate("MainWindow", "P", nullptr));
 390                         ui->pull->setEnabled(true);
 391
 392                         ui->throwaway->setText("Pull OOB (&t)");
 393                         ui->throwaway->setShortcut(QCoreApplication::translate("MainWindow", "T", nullptr));
 394                         ui->throwaway->setEnabled(true);
 395                 } else {
 396                         ui->pull->setEnabled(false);
 397                         ui->throwaway->setEnabled(false);
 398                 }
 399                 ui->their_pull->setEnabled(false);  // We don't track their pull landings; only by means of catch etc.
 400
 401                 ui->catch_->setEnabled(false);
 402                 ui->drop->setEnabled(false);
 403                 ui->goal->setEnabled(false);
 404                 ui->offensive_soft_plus->setEnabled(false);
 405                 ui->offensive_soft_minus->setEnabled(false);
 406                 ui->interception->setEnabled(false);
 407                 ui->their_throwaway->setEnabled(false);
 408                 ui->our_defense->setEnabled(false);
 409                 ui->their_goal->setEnabled(false);
 410                 ui->defensive_soft_plus->setEnabled(false);
 411                 ui->defensive_soft_minus->setEnabled(false);
 412                 return;
 413         }
 414
 415         ui->catch_->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 416         ui->throwaway->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 417         ui->drop->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 418         ui->goal->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 419         ui->offensive_soft_plus->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 420         ui->offensive_soft_minus->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 421         ui->pull->setEnabled(false);
 422
 423         ui->interception->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 424         ui->their_throwaway->setEnabled(s.attack_state == EventsModel::Status::DEFENSE);
 425         ui->our_defense->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 426         ui->their_goal->setEnabled(s.attack_state == EventsModel::Status::DEFENSE);
 427         ui->defensive_soft_plus->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 428         ui->defensive_soft_minus->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 429         ui->their_pull->setEnabled(false);
 430 }
 431
 432 sqlite3 *open_db(const char *filename)
 433 {
 434         sqlite3 *db;
 435         int ret = sqlite3_open(filename, &db);
 436         if (ret != SQLITE_OK) {
 437                 fprintf(stderr, "%s: %s\n", filename, sqlite3_errmsg(db));
 438                 exit(1);
 439         }
 440
 441         sqlite3_exec(db, R"(
 442                 CREATE TABLE IF NOT EXISTS player (player INTEGER PRIMARY KEY, number VARCHAR, name VARCHAR, gender VARCHAR(1));
 443         )", nullptr, nullptr, nullptr);  // Ignore errors.
 444
 445         sqlite3_exec(db, R"(
 446                 CREATE TABLE IF NOT EXISTS match (match INTEGER PRIMARY KEY, description VARCHAR);
 447         )", nullptr, nullptr, nullptr);  // Ignore errors.
 448
 449         sqlite3_exec(db, R"(
 450                 CREATE TABLE IF NOT EXISTS event (event INTEGER PRIMARY KEY, match INTEGER, t INTEGER, player INTEGER, type VARCHAR, FOREIGN KEY (player) REFERENCES player(player), FOREIGN KEY (match) REFERENCES match (match));
 451         )", nullptr, nullptr, nullptr);  // Ignore errors.
 452
 453         sqlite3_exec(db, "PRAGMA journal_mode=WAL", nullptr, nullptr, nullptr);  // Ignore errors.
 454         sqlite3_exec(db, "PRAGMA synchronous=NORMAL", nullptr, nullptr, nullptr);  // Ignore errors.
 455         return db;
 456 }
 457
 458 int get_match_id(sqlite3 *db, QWidget *parent)
 459 {
 460         QStringList items;
 461         vector<int> ids;
 462
 463         // Read the list of matches already in the database.
 464         sqlite3_stmt *stmt;
 465         int ret = sqlite3_prepare_v2(db, "SELECT match, description FROM match ORDER BY match", -1, &stmt, 0);
 466         if (ret != SQLITE_OK) {
 467                 fprintf(stderr, "SELECT prepare: %s\n", sqlite3_errmsg(db));
 468                 abort();
 469         }
 470         for ( ;; ) {
 471                 ret = sqlite3_step(stmt);
 472                 if (ret == SQLITE_ROW) {
 473                         char buf[256];
 474                         snprintf(buf, sizeof(buf), "%s (%d)", sqlite3_column_text(stmt, 1), sqlite3_column_int(stmt, 0));
 475                         ids.push_back(sqlite3_column_int(stmt, 0));
 476                         items.push_back(buf);
 477                 } else if (ret == SQLITE_DONE) {
 478                         break;
 479                 } else {
 480                         fprintf(stderr, "SELECT step: %s\n", sqlite3_errmsg(db));
 481                         abort();
 482                 }
 483         }
 484         ret = sqlite3_finalize(stmt);
 485         if (ret != SQLITE_OK) {
 486                 fprintf(stderr, "SELECT finalize: %s\n", sqlite3_errmsg(db));
 487                 abort();
 488         }
 489         items.push_back("Add new…");
 490
 491         QString chosen_str;
 492         {
 493                 QInputDialog dialog(parent, Qt::WindowFlags());
 494                 dialog.setWindowTitle("Open game");
 495                 dialog.setLabelText("Choose game to analyze:");
 496                 dialog.setComboBoxItems(items);
 497                 dialog.setTextValue(items[items.size() - 2]);
 498                 dialog.setOption(QInputDialog::UseListViewForComboBoxItems, true);
 499                 if (!dialog.exec()) {
 500                         return -1;
 501                 }
 502                 chosen_str = dialog.textValue();
 503         }
 504
 505         for (unsigned i = 0; i < ids.size(); ++i) {
 506                 if (chosen_str == items[i]) {
 507                         return ids[i];
 508                 }
 509         }
 510
 511         // Must be a new game. Get its name and insert it into the database.
 512         bool ok;
 513         QString new_game_str = QInputDialog::getText(parent, "New game", "Choose name for new game:", QLineEdit::Normal, "", &ok);
 514         if (!ok || new_game_str.isEmpty()) {
 515                 return -1;
 516         }
 517
 518         // Insert the new row into the database.
 519         ret = sqlite3_prepare_v2(db, "INSERT INTO match (description) VALUES (?)", -1, &stmt, 0);
 520         if (ret != SQLITE_OK) {
 521                 fprintf(stderr, "INSERT prepare: %s\n", sqlite3_errmsg(db));
 522                 abort();
 523         }
 524
 525         QByteArray new_game_utf8 = new_game_str.toUtf8();
 526         sqlite3_bind_text(stmt, 1, (const char *)new_game_utf8.data(), new_game_utf8.size(), SQLITE_STATIC);
 527
 528         ret = sqlite3_step(stmt);
 529         if (ret == SQLITE_ROW) {
 530                 fprintf(stderr, "INSERT step: %s\n", sqlite3_errmsg(db));
 531                 abort();
 532         }
 533
 534         ret = sqlite3_finalize(stmt);
 535         if (ret != SQLITE_OK) {
 536                 fprintf(stderr, "INSERT finalize: %s\n", sqlite3_errmsg(db));
 537                 abort();
 538         }
 539
 540         return sqlite3_last_insert_rowid(db);
 541 }
 542
 543 int main(int argc, char *argv[])
 544 {
 545         QApplication app(argc, argv);
 546         sqlite3 *db = open_db("ultimate.db");
 547
 548         int match_id = get_match_id(db, nullptr);
 549         if (match_id <= 0) {  // Cancel.
 550                 return 0;
 551         }
 552
 553         MainWindow mainWindow(new EventsModel(db, match_id), new PlayersModel(db));
 554         mainWindow.resize(QSize(1280, 720));
 555         mainWindow.show();
 556
 557         return app.exec();
 558
 559 }