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 #include "json.h"
  19
  20 using namespace std;
  21
  22 string format_timestamp(uint64_t pos)
  23 {
  24         int ms = pos % 1000;
  25         pos /= 1000;
  26         int sec = pos % 60;
  27         pos /= 60;
  28         int min = pos % 60;
  29         int hour = pos / 60;
  30
  31         char buf[256];
  32         snprintf(buf, sizeof(buf), "%d:%02d:%02d.%03d", hour, min, sec, ms);
  33         return buf;
  34 }
  35
  36 MainWindow::MainWindow(EventsModel *events, PlayersModel *players) : events(events), players(players)
  37 {
  38         video = new QMediaPlayer;
  39         //video->setSource(QUrl::fromLocalFile("/home/sesse/dev/stats/ultimate.mkv"));
  40         video->setSource(QUrl::fromLocalFile("/home/sesse/dev/stats/ultimate-prores.mkv"));
  41         video->play();
  42
  43         ui = new Ui::MainWindow;
  44         ui->setupUi(this);
  45
  46         ui->event_view->setModel(events);
  47         connect(ui->event_view->selectionModel(), &QItemSelectionModel::currentRowChanged,
  48                 [this, events](const QModelIndex &current, const QModelIndex &previous) {
  49                         uint64_t t = events->get_time(current.row());
  50                         if (t != video->position()) {
  51                                 video->setPosition(events->get_time(current.row()));
  52                         } else {
  53                                 // Selection could have changed, so we still need to update.
  54                                 // (Just calling setPosition() would not give us the signal
  55                                 // in this case.)
  56                                 update_ui_from_time(t);
  57                         }
  58                 });
  59
  60         ui->player_view->setModel(players);
  61         ui->player_view->setColumnWidth(0, 30);
  62         ui->player_view->setColumnWidth(1, 20);
  63         ui->player_view->horizontalHeader()->setStretchLastSection(true);
  64
  65         connect(video, &QMediaPlayer::positionChanged, [this](uint64_t pos) {
  66                 position_changed(pos);
  67         });
  68
  69         video->setVideoOutput(ui->video);
  70
  71         // It's not really clear whether PgUp should be forwards or backwards,
  72         // but mpv does at least up = forwards, so that's probably standard.
  73         QShortcut *pgdown = new QShortcut(QKeySequence(Qt::Key_PageDown), this);
  74         connect(pgdown, &QShortcut::activated, [this]() { seek(-120000); });
  75         QShortcut *pgup = new QShortcut(QKeySequence(Qt::Key_PageUp), this);
  76         connect(pgup, &QShortcut::activated, [this]() { seek(120000); });
  77
  78         connect(ui->minus10s, &QPushButton::clicked, [this]() { seek(-10000); });
  79         connect(ui->plus10s, &QPushButton::clicked, [this]() { seek(10000); });
  80
  81         connect(ui->minus2s, &QPushButton::clicked, [this]() { seek(-2000); });
  82         connect(ui->plus2s, &QPushButton::clicked, [this]() { seek(2000); });
  83
  84         // TODO: Would be nice to actually have a frame...
  85         connect(ui->minus1f, &QPushButton::clicked, [this]() { seek(-20); });
  86         connect(ui->plus1f, &QPushButton::clicked, [this]() { seek(20); });
  87
  88         connect(ui->play_pause, &QPushButton::clicked, [this]() {
  89                 if (playing) {
  90                         video->pause();
  91                         ui->play_pause->setText("Play (space)");
  92                 } else {
  93                         video->setPlaybackRate(1.0);
  94                         video->play();
  95                         ui->play_pause->setText("Pause (space)");
  96                 }
  97                 playing = !playing;
  98
  99                 // Needs to be set anew when we modify setText(), evidently.
 100                 ui->play_pause->setShortcut(QCoreApplication::translate("MainWindow", "Space", nullptr));
 101         });
 102
 103         connect(ui->player_1, &QPushButton::clicked, [this]() { insert_player_event(0); });
 104         connect(ui->player_2, &QPushButton::clicked, [this]() { insert_player_event(1); });
 105         connect(ui->player_3, &QPushButton::clicked, [this]() { insert_player_event(2); });
 106         connect(ui->player_4, &QPushButton::clicked, [this]() { insert_player_event(3); });
 107         connect(ui->player_5, &QPushButton::clicked, [this]() { insert_player_event(4); });
 108         connect(ui->player_6, &QPushButton::clicked, [this]() { insert_player_event(5); });
 109         connect(ui->player_7, &QPushButton::clicked, [this]() { insert_player_event(6); });
 110
 111         // Offensive events
 112         connect(ui->offense_label, &ClickableLabel::clicked, [this]() { insert_noplayer_event("set_offense"); });
 113         connect(ui->catch_, &QPushButton::clicked, [this]() { set_current_event_type("catch"); });
 114         connect(ui->throwaway, &QPushButton::clicked, [this, events]() {
 115                 EventsModel::Status s = events->get_status_at(video->position());
 116                 if (s.attack_state == EventsModel::Status::DEFENSE && s.pull_state == EventsModel::Status::PULL_IN_AIR) {
 117                         insert_noplayer_event("pull_oob");
 118                 } else {
 119                         set_current_event_type("throwaway");
 120                 }
 121         });
 122         connect(ui->drop, &QPushButton::clicked, [this]() { set_current_event_type("drop"); });
 123         connect(ui->goal, &QPushButton::clicked, [this]() { set_current_event_type("goal"); });
 124         connect(ui->offensive_soft_plus, &QPushButton::clicked, [this]() { set_current_event_type("offensive_soft_plus"); });
 125         connect(ui->offensive_soft_minus, &QPushButton::clicked, [this]() { set_current_event_type("offensive_soft_minus"); });
 126         connect(ui->pull, &QPushButton::clicked, [this, events]() {
 127                 EventsModel::Status s = events->get_status_at(video->position());
 128                 if (s.pull_state == EventsModel::Status::SHOULD_PULL) {
 129                         set_current_event_type("pull");
 130                 } else if (EventsModel::Status::PULL_IN_AIR) {
 131                         insert_noplayer_event("pull_landed");
 132                 }
 133         });
 134
 135         // Defensive events (TODO add more)
 136         connect(ui->interception, &QPushButton::clicked, [this]() { set_current_event_type("interception"); });
 137         connect(ui->defense_label, &ClickableLabel::clicked, [this]() { insert_noplayer_event("set_defense"); });
 138         connect(ui->their_throwaway, &QPushButton::clicked, [this]() { insert_noplayer_event("their_throwaway"); });
 139         connect(ui->their_goal, &QPushButton::clicked, [this]() { insert_noplayer_event("their_goal"); });
 140         connect(ui->their_pull, &QPushButton::clicked, [this, events]() {
 141                 EventsModel::Status s = events->get_status_at(video->position());
 142                 if (s.pull_state == EventsModel::Status::SHOULD_PULL) {
 143                         insert_noplayer_event("their_pull");
 144                 }
 145         });
 146         connect(ui->our_defense, &QPushButton::clicked, [this]() { set_current_event_type("defense"); });
 147         connect(ui->defensive_soft_plus, &QPushButton::clicked, [this]() { set_current_event_type("defensive_soft_plus"); });
 148         connect(ui->defensive_soft_minus, &QPushButton::clicked, [this]() { set_current_event_type("defensive_soft_minus"); });
 149
 150         // Misc. events
 151         connect(ui->substitution, &QPushButton::clicked, [this]() { make_substitution(); });
 152         connect(ui->stoppage, &QPushButton::clicked, [this, events]() {
 153                 EventsModel::Status s = events->get_status_at(video->position());
 154                 if (s.stoppage) {
 155                         insert_noplayer_event("restart");
 156                 } else {
 157                         insert_noplayer_event("stoppage");
 158                 }
 159         });
 160         connect(ui->unknown, &QPushButton::clicked, [this]() { insert_noplayer_event("unknown"); });
 161
 162         QShortcut *key_delete = new QShortcut(QKeySequence(Qt::Key_Delete), this);
 163         connect(key_delete, &QShortcut::activated, [this]() { ui->delete_->animateClick(); });
 164         connect(ui->delete_, &QPushButton::clicked, [this]() { delete_current_event(); });
 165 }
 166
 167 void MainWindow::position_changed(uint64_t pos)
 168 {
 169         ui->timestamp->setText(QString::fromUtf8(format_timestamp(pos)));
 170         if (buffered_seek) {
 171                 video->setPosition(*buffered_seek);
 172                 buffered_seek.reset();
 173         }
 174         if (!playing) {
 175                 video->pause();  // We only played to get a picture.
 176         }
 177         if (playing) {
 178                 QModelIndex row = events->get_last_event_qt(video->position());
 179                 ui->event_view->scrollTo(row, QAbstractItemView::PositionAtCenter);
 180         }
 181         update_ui_from_time(pos);
 182 }
 183
 184 void MainWindow::seek(int64_t delta_ms)
 185 {
 186         int64_t current_pos = buffered_seek ? *buffered_seek : video->position();
 187         uint64_t pos = max<int64_t>(current_pos + delta_ms, 0);
 188         buffered_seek = pos;
 189         if (!playing) {
 190                 video->setPlaybackRate(0.01);
 191                 video->play();  // Or Qt won't show the seek.
 192         }
 193 }
 194
 195 void MainWindow::insert_player_event(int button_id)
 196 {
 197         uint64_t t = video->position();
 198         vector<int> team = events->sort_team(events->get_team_at(t));
 199         if (button_id >= team.size()) {
 200                 return;
 201         }
 202         int player_id = team[button_id];
 203
 204         EventsModel::Status s = events->get_status_at(t);
 205
 206         ui->event_view->selectionModel()->blockSignals(true);
 207         if (s.attack_state == EventsModel::Status::OFFENSE) {
 208                 // TODO: Perhaps not if that player already did the last catch?
 209                 ui->event_view->selectRow(events->insert_event(t, player_id, "catch"));
 210         } else {
 211                 ui->event_view->selectRow(events->insert_event(t, player_id));
 212         }
 213         ui->event_view->selectionModel()->blockSignals(false);
 214
 215         update_ui_from_time(t);
 216 }
 217
 218 void MainWindow::insert_noplayer_event(const string &type)
 219 {
 220         uint64_t t = video->position();
 221
 222         ui->event_view->selectionModel()->blockSignals(true);
 223         ui->event_view->selectRow(events->insert_event(t, nullopt, type));
 224         ui->event_view->selectionModel()->blockSignals(false);
 225
 226         update_ui_from_time(t);
 227 }
 228
 229 void MainWindow::set_current_event_type(const string &type)
 230 {
 231         QItemSelectionModel *select = ui->event_view->selectionModel();
 232         if (!select->hasSelection()) {
 233                 return;
 234         }
 235         int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 236         events->set_event_type(row, type);
 237         update_ui_from_time(video->position());
 238 }
 239
 240 void MainWindow::delete_current_event()
 241 {
 242         QItemSelectionModel *select = ui->event_view->selectionModel();
 243         if (!select->hasSelection()) {
 244                 return;
 245         }
 246         int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 247         ui->event_view->selectionModel()->blockSignals(true);
 248         events->delete_event(row);
 249         ui->event_view->selectionModel()->blockSignals(false);
 250         update_ui_from_time(video->position());
 251 }
 252
 253 void MainWindow::make_substitution()
 254 {
 255         QItemSelectionModel *select = ui->player_view->selectionModel();
 256         set<int> new_team;
 257         for (QModelIndex row : select->selectedRows()) {
 258                 new_team.insert(players->get_player_id(row.row()));
 259         }
 260         events->set_team_at(video->position(), new_team);
 261 }
 262
 263 void MainWindow::update_ui_from_time(uint64_t t)
 264 {
 265         update_status(t);
 266         update_player_buttons(t);
 267         update_action_buttons(t);
 268 }
 269
 270 void MainWindow::update_status(uint64_t t)
 271 {
 272         EventsModel::Status s = events->get_status_at(t);
 273         char buf[256];
 274         const char *offense = "not started";
 275         if (s.attack_state == EventsModel::Status::OFFENSE) {
 276                 offense = "offense";
 277         } else if (s.attack_state == EventsModel::Status::DEFENSE) {
 278                 offense = "defense";
 279         }
 280
 281         snprintf(buf, sizeof(buf), "%d–%d | %s | %d passes, %d sec possession",
 282                 s.our_score, s.their_score, offense, s.num_passes, s.possession_sec);
 283         if (s.stoppage_sec > 0) {
 284                 char buf2[256];
 285                 snprintf(buf2, sizeof(buf2), "%s (plus %d sec stoppage)", buf, s.stoppage_sec);
 286                 ui->status->setText(buf2);
 287         } else {
 288                 ui->status->setText(buf);
 289         }
 290 }
 291
 292 void MainWindow::update_player_buttons(uint64_t t)
 293 {
 294         QPushButton *buttons[] = {
 295                 ui->player_1,
 296                 ui->player_2,
 297                 ui->player_3,
 298                 ui->player_4,
 299                 ui->player_5,
 300                 ui->player_6,
 301                 ui->player_7
 302         };
 303         const char shortcuts[] = "qweasdf";
 304         int num_players = 0;
 305         for (int player_id : events->sort_team(events->get_team_at(t))) {
 306                 QPushButton *btn = buttons[num_players];
 307                 string label = players->get_player_name_by_id(player_id) + " (&" + shortcuts[num_players] + ")";
 308                 char shortcut[2] = "";
 309                 shortcut[0] = toupper(shortcuts[num_players]);
 310                 btn->setText(QString::fromUtf8(label));
 311                 btn->setShortcut(QCoreApplication::translate("MainWindow", shortcut, nullptr));
 312                 btn->setEnabled(true);
 313                 if (++num_players == 7) {
 314                         break;
 315                 }
 316         }
 317         for (int i = num_players; i < 7; ++i) {
 318                 QPushButton *btn = buttons[i];
 319                 btn->setText("No player");
 320                 btn->setEnabled(false);
 321         }
 322 }
 323
 324 void MainWindow::update_action_buttons(uint64_t t)
 325 {
 326         EventsModel::Status s = events->get_status_at(t);
 327
 328         bool has_selection = false;
 329         bool has_selection_with_player = false;
 330
 331         QItemSelectionModel *select = ui->event_view->selectionModel();
 332         if (select->hasSelection()) {
 333                 has_selection = true;
 334                 int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 335                 has_selection_with_player = events->get_player_id(row).has_value();
 336         }
 337         ui->delete_->setEnabled(has_selection);
 338
 339         if (s.stoppage) {
 340                 ui->stoppage->setText("Restart (&v)");
 341                 ui->stoppage->setShortcut(QCoreApplication::translate("MainWindow", "V", nullptr));
 342                 ui->catch_->setEnabled(false);
 343                 ui->throwaway->setEnabled(false);
 344                 ui->drop->setEnabled(false);
 345                 ui->goal->setEnabled(false);
 346                 ui->offensive_soft_plus->setEnabled(false);
 347                 ui->offensive_soft_minus->setEnabled(false);
 348                 ui->pull->setEnabled(false);
 349                 ui->interception->setEnabled(false);
 350                 ui->their_throwaway->setEnabled(false);
 351                 ui->our_defense->setEnabled(false);
 352                 ui->their_goal->setEnabled(false);
 353                 ui->defensive_soft_plus->setEnabled(false);
 354                 ui->defensive_soft_minus->setEnabled(false);
 355                 ui->their_pull->setEnabled(false);
 356                 return;
 357         } else {
 358                 ui->stoppage->setText("Stoppage (&v)");
 359                 ui->stoppage->setShortcut(QCoreApplication::translate("MainWindow", "V", nullptr));
 360         }
 361
 362         // Defaults for pull-related buttons.
 363         ui->pull->setText("Pull (&p)");
 364         ui->their_pull->setText("Their pull (&p)");
 365         ui->pull->setShortcut(QCoreApplication::translate("MainWindow", "P", nullptr));
 366         ui->their_pull->setShortcut(QCoreApplication::translate("MainWindow", "P", nullptr));
 367         ui->throwaway->setText("Throwaway (&t)");
 368         ui->throwaway->setShortcut(QCoreApplication::translate("MainWindow", "T", nullptr));
 369
 370         if (s.pull_state == EventsModel::Status::SHOULD_PULL) {
 371                 ui->pull->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 372                 ui->their_pull->setEnabled(s.attack_state == EventsModel::Status::OFFENSE);
 373
 374                 ui->catch_->setEnabled(false);
 375                 ui->throwaway->setEnabled(false);
 376                 ui->drop->setEnabled(false);
 377                 ui->goal->setEnabled(false);
 378                 ui->offensive_soft_plus->setEnabled(false);
 379                 ui->offensive_soft_minus->setEnabled(false);
 380                 ui->interception->setEnabled(false);
 381                 ui->their_throwaway->setEnabled(false);
 382                 ui->our_defense->setEnabled(false);
 383                 ui->their_goal->setEnabled(false);
 384                 ui->defensive_soft_plus->setEnabled(false);
 385                 ui->defensive_soft_minus->setEnabled(false);
 386                 return;
 387         }
 388         if (s.pull_state == EventsModel::Status::PULL_IN_AIR) {
 389                 if (s.attack_state == EventsModel::Status::DEFENSE) {
 390                         ui->pull->setText("Pull landed (&p)");
 391                         ui->pull->setShortcut(QCoreApplication::translate("MainWindow", "P", nullptr));
 392                         ui->pull->setEnabled(true);
 393
 394                         ui->throwaway->setText("Pull OOB (&t)");
 395                         ui->throwaway->setShortcut(QCoreApplication::translate("MainWindow", "T", nullptr));
 396                         ui->throwaway->setEnabled(true);
 397                 } else {
 398                         ui->pull->setEnabled(false);
 399                         ui->throwaway->setEnabled(false);
 400                 }
 401                 ui->their_pull->setEnabled(false);  // We don't track their pull landings; only by means of catch etc.
 402
 403                 ui->catch_->setEnabled(false);
 404                 ui->drop->setEnabled(false);
 405                 ui->goal->setEnabled(false);
 406                 ui->offensive_soft_plus->setEnabled(false);
 407                 ui->offensive_soft_minus->setEnabled(false);
 408                 ui->interception->setEnabled(false);
 409                 ui->their_throwaway->setEnabled(false);
 410                 ui->our_defense->setEnabled(false);
 411                 ui->their_goal->setEnabled(false);
 412                 ui->defensive_soft_plus->setEnabled(false);
 413                 ui->defensive_soft_minus->setEnabled(false);
 414                 return;
 415         }
 416
 417         ui->catch_->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 418         ui->throwaway->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 419         ui->drop->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 420         ui->goal->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 421         ui->offensive_soft_plus->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 422         ui->offensive_soft_minus->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 423         ui->pull->setEnabled(false);
 424
 425         ui->interception->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 426         ui->their_throwaway->setEnabled(s.attack_state == EventsModel::Status::DEFENSE);
 427         ui->our_defense->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 428         ui->their_goal->setEnabled(s.attack_state == EventsModel::Status::DEFENSE);
 429         ui->defensive_soft_plus->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 430         ui->defensive_soft_minus->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 431         ui->their_pull->setEnabled(false);
 432 }
 433
 434 sqlite3 *open_db(const char *filename)
 435 {
 436         sqlite3 *db;
 437         int ret = sqlite3_open(filename, &db);
 438         if (ret != SQLITE_OK) {
 439                 fprintf(stderr, "%s: %s\n", filename, sqlite3_errmsg(db));
 440                 exit(1);
 441         }
 442
 443         sqlite3_exec(db, R"(
 444                 CREATE TABLE IF NOT EXISTS player (player INTEGER PRIMARY KEY, number VARCHAR, name VARCHAR, gender VARCHAR(1));
 445         )", nullptr, nullptr, nullptr);  // Ignore errors.
 446
 447         sqlite3_exec(db, R"(
 448                 CREATE TABLE IF NOT EXISTS match (match INTEGER PRIMARY KEY, description VARCHAR);
 449         )", nullptr, nullptr, nullptr);  // Ignore errors.
 450
 451         sqlite3_exec(db, R"(
 452                 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));
 453         )", nullptr, nullptr, nullptr);  // Ignore errors.
 454
 455         sqlite3_exec(db, "PRAGMA journal_mode=WAL", nullptr, nullptr, nullptr);  // Ignore errors.
 456         sqlite3_exec(db, "PRAGMA synchronous=NORMAL", nullptr, nullptr, nullptr);  // Ignore errors.
 457         sqlite3_exec(db, "PRAGMA foreign_keys=ON", nullptr, nullptr, nullptr);  // Ignore errors.
 458         return db;
 459 }
 460
 461 int get_match_id(sqlite3 *db, QWidget *parent, int requested_match)
 462 {
 463         QStringList items;
 464         vector<int> ids;
 465         bool requested_match_ok = false;
 466
 467         // Read the list of matches already in the database.
 468         sqlite3_stmt *stmt;
 469         int ret = sqlite3_prepare_v2(db, "SELECT match, description FROM match ORDER BY match", -1, &stmt, 0);
 470         if (ret != SQLITE_OK) {
 471                 fprintf(stderr, "SELECT prepare: %s\n", sqlite3_errmsg(db));
 472                 abort();
 473         }
 474         for ( ;; ) {
 475                 ret = sqlite3_step(stmt);
 476                 if (ret == SQLITE_ROW) {
 477                         char buf[256];
 478                         snprintf(buf, sizeof(buf), "%s (%d)", sqlite3_column_text(stmt, 1), sqlite3_column_int(stmt, 0));
 479                         ids.push_back(sqlite3_column_int(stmt, 0));
 480                         if (ids.back() == requested_match) {
 481                                 requested_match_ok = true;
 482                         }
 483                         items.push_back(buf);
 484                 } else if (ret == SQLITE_DONE) {
 485                         break;
 486                 } else {
 487                         fprintf(stderr, "SELECT step: %s\n", sqlite3_errmsg(db));
 488                         abort();
 489                 }
 490         }
 491         ret = sqlite3_finalize(stmt);
 492         if (ret != SQLITE_OK) {
 493                 fprintf(stderr, "SELECT finalize: %s\n", sqlite3_errmsg(db));
 494                 abort();
 495         }
 496         items.push_back("Add new…");
 497
 498         if (requested_match_ok) {
 499                 return requested_match;
 500         }
 501
 502         QString chosen_str;
 503         {
 504                 QInputDialog dialog(parent, Qt::WindowFlags());
 505                 dialog.setWindowTitle("Open game");
 506                 dialog.setLabelText("Choose game to analyze:");
 507                 dialog.setComboBoxItems(items);
 508                 dialog.setTextValue(items[items.size() - 2]);
 509                 dialog.setOption(QInputDialog::UseListViewForComboBoxItems, true);
 510                 if (!dialog.exec()) {
 511                         return -1;
 512                 }
 513                 chosen_str = dialog.textValue();
 514         }
 515
 516         for (unsigned i = 0; i < ids.size(); ++i) {
 517                 if (chosen_str == items[i]) {
 518                         return ids[i];
 519                 }
 520         }
 521
 522         // Must be a new game. Get its name and insert it into the database.
 523         bool ok;
 524         QString new_game_str = QInputDialog::getText(parent, "New game", "Choose name for new game:", QLineEdit::Normal, "", &ok);
 525         if (!ok || new_game_str.isEmpty()) {
 526                 return -1;
 527         }
 528
 529         // Insert the new row into the database.
 530         ret = sqlite3_prepare_v2(db, "INSERT INTO match (description) VALUES (?)", -1, &stmt, 0);
 531         if (ret != SQLITE_OK) {
 532                 fprintf(stderr, "INSERT prepare: %s\n", sqlite3_errmsg(db));
 533                 abort();
 534         }
 535
 536         QByteArray new_game_utf8 = new_game_str.toUtf8();
 537         sqlite3_bind_text(stmt, 1, (const char *)new_game_utf8.data(), new_game_utf8.size(), SQLITE_STATIC);
 538
 539         ret = sqlite3_step(stmt);
 540         if (ret == SQLITE_ROW) {
 541                 fprintf(stderr, "INSERT step: %s\n", sqlite3_errmsg(db));
 542                 abort();
 543         }
 544
 545         ret = sqlite3_finalize(stmt);
 546         if (ret != SQLITE_OK) {
 547                 fprintf(stderr, "INSERT finalize: %s\n", sqlite3_errmsg(db));
 548                 abort();
 549         }
 550
 551         return sqlite3_last_insert_rowid(db);
 552 }
 553
 554 int main(int argc, char *argv[])
 555 {
 556         QApplication app(argc, argv);
 557         sqlite3 *db = open_db("ultimate.db");
 558
 559         // TODO: do this on-demand instead, from a menu
 560         export_to_json(db, "ultimate.json");
 561
 562         int requested_match = -1;
 563         if (argc >= 2) {
 564                 requested_match = atoi(argv[1]);
 565         }
 566
 567         int match_id = get_match_id(db, nullptr, requested_match);
 568         if (match_id <= 0) {  // Cancel.
 569                 return 0;
 570         }
 571
 572         MainWindow mainWindow(new EventsModel(db, match_id), new PlayersModel(db));
 573         mainWindow.resize(QSize(1280, 720));
 574         mainWindow.show();
 575
 576         return app.exec();
 577
 578 }