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

   1 #include <QMediaPlayer>
   2 #include <QMainWindow>
   3 #include <QApplication>
   4 #include <QGridLayout>
   5 #include <QShortcut>
   6 #include <QInputDialog>
   7 #include <QTimer>
   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 "formations.h"
  19 #include "json.h"
  20 #include "video_widget.h"
  21
  22 using namespace std;
  23
  24 string format_timestamp(uint64_t pos)
  25 {
  26         int ms = pos % 1000;
  27         pos /= 1000;
  28         int sec = pos % 60;
  29         pos /= 60;
  30         int min = pos % 60;
  31         int hour = pos / 60;
  32
  33         char buf[256];
  34         snprintf(buf, sizeof(buf), "%d:%02d:%02d.%03d", hour, min, sec, ms);
  35         return buf;
  36 }
  37
  38 MainWindow::MainWindow(EventsModel *events, PlayersModel *players,
  39                        FormationsModel *offensive_formations, FormationsModel *defensive_formations)
  40         : events(events), players(players), offensive_formations(offensive_formations), defensive_formations(defensive_formations)
  41 {
  42         ui = new Ui::MainWindow;
  43         ui->setupUi(this);
  44
  45         ui->video->open("/home/sesse/dev/stats/ultimate-prores.mkv");
  46         ui->video->play();
  47
  48         ui->event_view->setModel(events);
  49         ui->event_view->setColumnWidth(1, 150);
  50         ui->event_view->setColumnWidth(2, 150);
  51         connect(ui->event_view->selectionModel(), &QItemSelectionModel::currentRowChanged,
  52                 [this, events](const QModelIndex &current, const QModelIndex &previous) {
  53                         uint64_t t = events->get_time(current.row());
  54                         if (t != ui->video->get_position()) {
  55                                 ui->video->seek_absolute(events->get_time(current.row()));
  56                         } else {
  57                                 // Selection could have changed, so we still need to update.
  58                                 // (Just calling setPosition() would not give us the signal
  59                                 // in this case.)
  60                                 update_ui_from_time(t);
  61                         }
  62                 });
  63
  64         ui->player_view->setModel(players);
  65         ui->player_view->setColumnWidth(0, 30);
  66         ui->player_view->setColumnWidth(1, 20);
  67         ui->player_view->horizontalHeader()->setStretchLastSection(true);
  68
  69         auto formation_changed = [this](const QModelIndex &current, const QModelIndex &previous) {
  70                 QTimer::singleShot(1, [=]{  // The selection is wrong until the callback actually returns.
  71                         update_action_buttons(ui->video->get_position());
  72                 });
  73         };
  74         ui->offensive_formation_view->setModel(offensive_formations);
  75         ui->defensive_formation_view->setModel(defensive_formations);
  76         connect(ui->offensive_formation_view->selectionModel(), &QItemSelectionModel::currentRowChanged, formation_changed);
  77         connect(ui->defensive_formation_view->selectionModel(), &QItemSelectionModel::currentRowChanged, formation_changed);
  78         connect(ui->offensive_formation_view, &QListView::doubleClicked, [this](const QModelIndex &index) {
  79                 formation_double_clicked(true, index.row());
  80         });
  81         connect(ui->defensive_formation_view, &QListView::doubleClicked, [this](const QModelIndex &index) {
  82                 formation_double_clicked(false, index.row());
  83         });
  84
  85         connect(ui->video, &VideoWidget::position_changed, [this](uint64_t pos) {
  86                 position_changed(pos);
  87         });
  88
  89
  90         // It's not really clear whether PgUp should be forwards or backwards,
  91         // but mpv does at least up = forwards, so that's probably standard.
  92         QShortcut *pgdown = new QShortcut(QKeySequence(Qt::Key_PageDown), this);
  93         connect(pgdown, &QShortcut::activated, [this]() { ui->video->seek(-120000); });
  94         QShortcut *pgup = new QShortcut(QKeySequence(Qt::Key_PageUp), this);
  95         connect(pgup, &QShortcut::activated, [this]() { ui->video->seek(120000); });
  96
  97         connect(ui->minus10s, &QPushButton::clicked, [this]() { ui->video->seek(-10000); });
  98         connect(ui->plus10s, &QPushButton::clicked, [this]() { ui->video->seek(10000); });
  99
 100         connect(ui->minus2s, &QPushButton::clicked, [this]() { ui->video->seek(-2000); });
 101         connect(ui->plus2s, &QPushButton::clicked, [this]() { ui->video->seek(2000); });
 102
 103         connect(ui->minus1f, &QPushButton::clicked, [this]() { ui->video->seek_frames(-1); });
 104         connect(ui->plus1f, &QPushButton::clicked, [this]() { ui->video->seek_frames(1); });
 105
 106         connect(ui->play_pause, &QPushButton::clicked, [this]() {
 107                 if (playing) {
 108                         ui->video->pause();
 109                         ui->play_pause->setText("Play (space)");
 110                 } else {
 111                         ui->video->play();
 112                         ui->play_pause->setText("Pause (space)");
 113                 }
 114                 playing = !playing;
 115
 116                 // Needs to be set anew when we modify setText(), evidently.
 117                 ui->play_pause->setShortcut(QCoreApplication::translate("MainWindow", "Space", nullptr));
 118         });
 119
 120         connect(ui->player_1, &QPushButton::clicked, [this]() { insert_player_event(0); });
 121         connect(ui->player_2, &QPushButton::clicked, [this]() { insert_player_event(1); });
 122         connect(ui->player_3, &QPushButton::clicked, [this]() { insert_player_event(2); });
 123         connect(ui->player_4, &QPushButton::clicked, [this]() { insert_player_event(3); });
 124         connect(ui->player_5, &QPushButton::clicked, [this]() { insert_player_event(4); });
 125         connect(ui->player_6, &QPushButton::clicked, [this]() { insert_player_event(5); });
 126         connect(ui->player_7, &QPushButton::clicked, [this]() { insert_player_event(6); });
 127
 128         // Offensive events
 129         connect(ui->offense_label, &ClickableLabel::clicked, [this]() { insert_noplayer_event("set_offense"); });
 130         connect(ui->catch_, &QPushButton::clicked, [this]() { set_current_event_type("catch"); });
 131         connect(ui->throwaway, &QPushButton::clicked, [this, events]() {
 132                 EventsModel::Status s = events->get_status_at(ui->video->get_position());
 133                 if (s.attack_state == EventsModel::Status::DEFENSE && s.pull_state == EventsModel::Status::PULL_IN_AIR) {
 134                         insert_noplayer_event("pull_oob");
 135                 } else {
 136                         set_current_event_type("throwaway");
 137                 }
 138         });
 139         connect(ui->drop, &QPushButton::clicked, [this]() { set_current_event_type("drop"); });
 140         connect(ui->goal, &QPushButton::clicked, [this]() { set_current_event_type("goal"); });
 141         connect(ui->offensive_soft_plus, &QPushButton::clicked, [this]() { set_current_event_type("offensive_soft_plus"); });
 142         connect(ui->offensive_soft_minus, &QPushButton::clicked, [this]() { set_current_event_type("offensive_soft_minus"); });
 143         connect(ui->pull, &QPushButton::clicked, [this, events]() {
 144                 EventsModel::Status s = events->get_status_at(ui->video->get_position());
 145                 if (s.pull_state == EventsModel::Status::SHOULD_PULL) {
 146                         set_current_event_type("pull");
 147                 } else if (s.pull_state == EventsModel::Status::PULL_IN_AIR) {
 148                         insert_noplayer_event("pull_landed");
 149                 }
 150         });
 151
 152         // Defensive events (TODO add more)
 153         connect(ui->interception, &QPushButton::clicked, [this]() { set_current_event_type("interception"); });
 154         connect(ui->defense_label, &ClickableLabel::clicked, [this]() { insert_noplayer_event("set_defense"); });
 155         connect(ui->their_throwaway, &QPushButton::clicked, [this]() { insert_noplayer_event("their_throwaway"); });
 156         connect(ui->their_goal, &QPushButton::clicked, [this]() { insert_noplayer_event("their_goal"); });
 157         connect(ui->their_pull, &QPushButton::clicked, [this, events]() {
 158                 EventsModel::Status s = events->get_status_at(ui->video->get_position());
 159                 if (s.pull_state == EventsModel::Status::SHOULD_PULL) {
 160                         insert_noplayer_event("their_pull");
 161                 }
 162         });
 163         connect(ui->our_defense, &QPushButton::clicked, [this]() { set_current_event_type("defense"); });
 164         connect(ui->defensive_soft_plus, &QPushButton::clicked, [this]() { set_current_event_type("defensive_soft_plus"); });
 165         connect(ui->defensive_soft_minus, &QPushButton::clicked, [this]() { set_current_event_type("defensive_soft_minus"); });
 166
 167         connect(ui->offensive_formation, &QPushButton::clicked, [this]() { insert_or_change_formation(/*offense=*/true); });
 168         connect(ui->defensive_formation, &QPushButton::clicked, [this]() { insert_or_change_formation(/*offense=*/false); });
 169
 170         // Misc. events
 171         connect(ui->substitution, &QPushButton::clicked, [this]() { make_substitution(); });
 172         connect(ui->stoppage, &QPushButton::clicked, [this, events]() {
 173                 EventsModel::Status s = events->get_status_at(ui->video->get_position());
 174                 if (s.stoppage) {
 175                         insert_noplayer_event("restart");
 176                 } else {
 177                         insert_noplayer_event("stoppage");
 178                 }
 179         });
 180         connect(ui->unknown, &QPushButton::clicked, [this]() { insert_noplayer_event("unknown"); });
 181
 182         QShortcut *key_delete = new QShortcut(QKeySequence(Qt::Key_Delete), this);
 183         connect(key_delete, &QShortcut::activated, [this]() { ui->delete_->animateClick(); });
 184         connect(ui->delete_, &QPushButton::clicked, [this]() { delete_current_event(); });
 185 }
 186
 187 void MainWindow::position_changed(uint64_t pos)
 188 {
 189         ui->timestamp->setText(QString::fromUtf8(format_timestamp(pos)));
 190         if (!playing) {
 191                 ui->video->pause();  // We only played to get a picture.
 192         }
 193         if (playing) {
 194                 QModelIndex row = events->get_last_event_qt(ui->video->get_position());
 195                 ui->event_view->scrollTo(row, QAbstractItemView::PositionAtCenter);
 196         }
 197         update_ui_from_time(pos);
 198 }
 199
 200 void MainWindow::insert_player_event(int button_id)
 201 {
 202         uint64_t t = ui->video->get_position();
 203         vector<int> team = events->sort_team(events->get_team_at(t));
 204         if (unsigned(button_id) >= team.size()) {
 205                 return;
 206         }
 207         int player_id = team[button_id];
 208
 209         EventsModel::Status s = events->get_status_at(t);
 210
 211         ui->event_view->selectionModel()->blockSignals(true);
 212         if (s.attack_state == EventsModel::Status::OFFENSE) {
 213                 // TODO: Perhaps not if that player already did the last catch?
 214                 ui->event_view->selectRow(events->insert_event(t, player_id, nullopt, "catch"));
 215         } else {
 216                 ui->event_view->selectRow(events->insert_event(t, player_id, nullopt));
 217         }
 218         ui->event_view->selectionModel()->blockSignals(false);
 219
 220         update_ui_from_time(t);
 221 }
 222
 223 void MainWindow::insert_noplayer_event(const string &type)
 224 {
 225         uint64_t t = ui->video->get_position();
 226
 227         ui->event_view->selectionModel()->blockSignals(true);
 228         ui->event_view->selectRow(events->insert_event(t, nullopt, nullopt, type));
 229         ui->event_view->selectionModel()->blockSignals(false);
 230
 231         update_ui_from_time(t);
 232 }
 233
 234 void MainWindow::set_current_event_type(const string &type)
 235 {
 236         QItemSelectionModel *select = ui->event_view->selectionModel();
 237         if (!select->hasSelection()) {
 238                 return;
 239         }
 240         int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 241         events->set_event_type(row, type);
 242         update_ui_from_time(ui->video->get_position());
 243 }
 244
 245 // Formation buttons either modify the existing formation (if we've selected
 246 // a formation change event), or insert a new one (if not).
 247 void MainWindow::insert_or_change_formation(bool offense)
 248 {
 249         FormationsModel *formations = offense ? offensive_formations : defensive_formations;
 250         QListView *formation_view = offense ? ui->offensive_formation_view : ui->defensive_formation_view;
 251         if (!formation_view->selectionModel()->hasSelection()) {
 252                 // This shouldn't happen; the button should not have been enabled.
 253                 return;
 254         }
 255         int formation_row = formation_view->selectionModel()->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 256         int formation_id = formations->get_formation_id(formation_row);
 257         if (formation_id == -1) {
 258                 // This also shouldn't happen (“Add new…” selected).
 259                 return;
 260         }
 261
 262         QItemSelectionModel *select = ui->event_view->selectionModel();
 263         if (select->hasSelection()) {
 264                 int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 265                 string expected_type = offense ? "formation_offense" : "formation_defense";
 266                 if (events->get_event_type(row) == expected_type) {
 267                         events->set_event_formation(row, formation_id);
 268                         update_ui_from_time(ui->video->get_position());
 269                         return;
 270                 }
 271         }
 272
 273         // Insert a new formation event instead (same as double-click on the selected one).
 274         events->set_formation_at(ui->video->get_position(), offense, formation_id);
 275         update_ui_from_time(ui->video->get_position());
 276 }
 277
 278 void MainWindow::delete_current_event()
 279 {
 280         QItemSelectionModel *select = ui->event_view->selectionModel();
 281         if (!select->hasSelection()) {
 282                 return;
 283         }
 284         int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 285         ui->event_view->selectionModel()->blockSignals(true);
 286         events->delete_event(row);
 287         ui->event_view->selectionModel()->blockSignals(false);
 288         update_ui_from_time(ui->video->get_position());
 289 }
 290
 291 void MainWindow::make_substitution()
 292 {
 293         QItemSelectionModel *select = ui->player_view->selectionModel();
 294         set<int> new_team;
 295         for (QModelIndex row : select->selectedRows()) {
 296                 new_team.insert(players->get_player_id(row.row()));
 297         }
 298         events->set_team_at(ui->video->get_position(), new_team);
 299 }
 300
 301 void MainWindow::update_ui_from_time(uint64_t t)
 302 {
 303         update_status(t);
 304         update_player_buttons(t);
 305         update_action_buttons(t);
 306 }
 307
 308 void MainWindow::update_status(uint64_t t)
 309 {
 310         EventsModel::Status s = events->get_status_at(t);
 311         char buf[256];
 312         std::string formation = "Not started";
 313         if (s.attack_state == EventsModel::Status::OFFENSE) {
 314                 if (s.offensive_formation != 0) {
 315                         formation = offensive_formations->get_formation_name_by_id(s.offensive_formation);
 316                 } else {
 317                         formation = "Offense";
 318                 }
 319         } else if (s.attack_state == EventsModel::Status::DEFENSE) {
 320                 if (s.defensive_formation != 0) {
 321                         formation = defensive_formations->get_formation_name_by_id(s.defensive_formation);
 322                 } else {
 323                         formation = "Defense";
 324                 }
 325         }
 326
 327         snprintf(buf, sizeof(buf), "%d–%d | %s | %d passes, %d sec possession",
 328                 s.our_score, s.their_score, formation.c_str(), s.num_passes, s.possession_sec);
 329         if (s.stoppage_sec > 0) {
 330                 char buf2[256];
 331                 snprintf(buf2, sizeof(buf2), "%s (plus %d sec stoppage)", buf, s.stoppage_sec);
 332                 ui->status->setText(buf2);
 333         } else {
 334                 ui->status->setText(buf);
 335         }
 336 }
 337
 338 void MainWindow::update_player_buttons(uint64_t t)
 339 {
 340         QPushButton *buttons[] = {
 341                 ui->player_1,
 342                 ui->player_2,
 343                 ui->player_3,
 344                 ui->player_4,
 345                 ui->player_5,
 346                 ui->player_6,
 347                 ui->player_7
 348         };
 349         const char shortcuts[] = "qweasdf";
 350         int num_players = 0;
 351         for (int player_id : events->sort_team(events->get_team_at(t))) {
 352                 QPushButton *btn = buttons[num_players];
 353                 string label = players->get_player_name_by_id(player_id) + " (&" + shortcuts[num_players] + ")";
 354                 char shortcut[2] = "";
 355                 shortcut[0] = toupper(shortcuts[num_players]);
 356                 btn->setText(QString::fromUtf8(label));
 357                 btn->setShortcut(QCoreApplication::translate("MainWindow", shortcut, nullptr));
 358                 btn->setEnabled(true);
 359                 if (++num_players == 7) {
 360                         break;
 361                 }
 362         }
 363         for (int i = num_players; i < 7; ++i) {
 364                 QPushButton *btn = buttons[i];
 365                 btn->setText("No player");
 366                 btn->setEnabled(false);
 367         }
 368 }
 369
 370 void MainWindow::update_action_buttons(uint64_t t)
 371 {
 372         {
 373                 QItemSelectionModel *select = ui->offensive_formation_view->selectionModel();
 374                 if (select->hasSelection()) {
 375                         int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 376                         ui->offensive_formation->setEnabled(offensive_formations->get_formation_id(row) != -1);
 377                 } else {
 378                         ui->offensive_formation->setEnabled(false);
 379                 }
 380         }
 381         {
 382                 QItemSelectionModel *select = ui->defensive_formation_view->selectionModel();
 383                 if (select->hasSelection()) {
 384                         int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 385                         ui->defensive_formation->setEnabled(defensive_formations->get_formation_id(row) != -1);
 386                 } else {
 387                         ui->defensive_formation->setEnabled(false);
 388                 }
 389         }
 390
 391         EventsModel::Status s = events->get_status_at(t);
 392
 393         bool has_selection = false;
 394         bool has_selection_with_player = false;
 395
 396         QItemSelectionModel *select = ui->event_view->selectionModel();
 397         if (select->hasSelection()) {
 398                 has_selection = true;
 399                 int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 400                 has_selection_with_player = events->get_player_id(row).has_value();
 401         }
 402         ui->delete_->setEnabled(has_selection);
 403
 404         if (s.stoppage) {
 405                 ui->stoppage->setText("Restart (&v)");
 406                 ui->stoppage->setShortcut(QCoreApplication::translate("MainWindow", "V", nullptr));
 407                 ui->catch_->setEnabled(false);
 408                 ui->throwaway->setEnabled(false);
 409                 ui->drop->setEnabled(false);
 410                 ui->goal->setEnabled(false);
 411                 ui->offensive_soft_plus->setEnabled(false);
 412                 ui->offensive_soft_minus->setEnabled(false);
 413                 ui->pull->setEnabled(false);
 414                 ui->interception->setEnabled(false);
 415                 ui->their_throwaway->setEnabled(false);
 416                 ui->our_defense->setEnabled(false);
 417                 ui->their_goal->setEnabled(false);
 418                 ui->defensive_soft_plus->setEnabled(false);
 419                 ui->defensive_soft_minus->setEnabled(false);
 420                 ui->their_pull->setEnabled(false);
 421                 return;
 422         } else {
 423                 ui->stoppage->setText("Stoppage (&v)");
 424                 ui->stoppage->setShortcut(QCoreApplication::translate("MainWindow", "V", nullptr));
 425         }
 426
 427         // Defaults for pull-related buttons.
 428         ui->pull->setText("Pull (&p)");
 429         ui->their_pull->setText("Their pull (&p)");
 430         ui->pull->setShortcut(QCoreApplication::translate("MainWindow", "P", nullptr));
 431         ui->their_pull->setShortcut(QCoreApplication::translate("MainWindow", "P", nullptr));
 432         ui->throwaway->setText("Throwaway (&t)");
 433         ui->throwaway->setShortcut(QCoreApplication::translate("MainWindow", "T", nullptr));
 434
 435         if (s.pull_state == EventsModel::Status::SHOULD_PULL) {
 436                 ui->pull->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 437                 ui->their_pull->setEnabled(s.attack_state == EventsModel::Status::OFFENSE);
 438
 439                 ui->catch_->setEnabled(false);
 440                 ui->throwaway->setEnabled(false);
 441                 ui->drop->setEnabled(false);
 442                 ui->goal->setEnabled(false);
 443                 ui->offensive_soft_plus->setEnabled(false);
 444                 ui->offensive_soft_minus->setEnabled(false);
 445                 ui->interception->setEnabled(false);
 446                 ui->their_throwaway->setEnabled(false);
 447                 ui->our_defense->setEnabled(false);
 448                 ui->their_goal->setEnabled(false);
 449                 ui->defensive_soft_plus->setEnabled(false);
 450                 ui->defensive_soft_minus->setEnabled(false);
 451                 return;
 452         }
 453         if (s.pull_state == EventsModel::Status::PULL_IN_AIR) {
 454                 if (s.attack_state == EventsModel::Status::DEFENSE) {
 455                         ui->pull->setText("Pull landed (&p)");
 456                         ui->pull->setShortcut(QCoreApplication::translate("MainWindow", "P", nullptr));
 457                         ui->pull->setEnabled(true);
 458
 459                         ui->throwaway->setText("Pull OOB (&t)");
 460                         ui->throwaway->setShortcut(QCoreApplication::translate("MainWindow", "T", nullptr));
 461                         ui->throwaway->setEnabled(true);
 462                 } else {
 463                         ui->pull->setEnabled(false);
 464                         ui->throwaway->setEnabled(false);
 465                 }
 466                 ui->their_pull->setEnabled(false);  // We don't track their pull landings; only by means of catch etc.
 467
 468                 ui->catch_->setEnabled(false);
 469                 ui->drop->setEnabled(false);
 470                 ui->goal->setEnabled(false);
 471                 ui->offensive_soft_plus->setEnabled(false);
 472                 ui->offensive_soft_minus->setEnabled(false);
 473                 ui->interception->setEnabled(false);
 474                 ui->their_throwaway->setEnabled(false);
 475                 ui->our_defense->setEnabled(false);
 476                 ui->their_goal->setEnabled(false);
 477                 ui->defensive_soft_plus->setEnabled(false);
 478                 ui->defensive_soft_minus->setEnabled(false);
 479                 return;
 480         }
 481
 482         ui->catch_->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 483         ui->throwaway->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 484         ui->drop->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 485         ui->goal->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 486         ui->offensive_soft_plus->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 487         ui->offensive_soft_minus->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 488         ui->pull->setEnabled(false);
 489
 490         ui->interception->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 491         ui->their_throwaway->setEnabled(s.attack_state == EventsModel::Status::DEFENSE);
 492         ui->our_defense->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 493         ui->their_goal->setEnabled(s.attack_state == EventsModel::Status::DEFENSE);
 494         ui->defensive_soft_plus->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 495         ui->defensive_soft_minus->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 496         ui->their_pull->setEnabled(false);
 497 }
 498
 499 void MainWindow::formation_double_clicked(bool offense, unsigned row)
 500 {
 501         FormationsModel *formations = offense ? offensive_formations : defensive_formations;
 502         int id = formations->get_formation_id(row);
 503         if (id == -1) {  // “Add new” clicked.
 504                 bool ok;
 505                 QString new_formation_str = QInputDialog::getText(this, "New formation", "Choose name for new formation:", QLineEdit::Normal, "", &ok);
 506                 if (!ok || new_formation_str.isEmpty()) {
 507                         return;
 508                 }
 509
 510                 id = formations->insert_new(new_formation_str.toStdString());
 511                 QListView *view = offense ? ui->offensive_formation_view : ui->defensive_formation_view;
 512                 view->selectionModel()->select(formations->index(formations->get_row_from_id(id), 0), QItemSelectionModel::ClearAndSelect);
 513                 events->inserted_new_formation(id, new_formation_str.toStdString());
 514         } else {
 515                 events->set_formation_at(ui->video->get_position(), offense, id);
 516         }
 517         update_ui_from_time(ui->video->get_position());
 518 }
 519
 520 sqlite3 *open_db(const char *filename)
 521 {
 522         sqlite3 *db;
 523         int ret = sqlite3_open(filename, &db);
 524         if (ret != SQLITE_OK) {
 525                 fprintf(stderr, "%s: %s\n", filename, sqlite3_errmsg(db));
 526                 exit(1);
 527         }
 528
 529         sqlite3_exec(db, R"(
 530                 CREATE TABLE IF NOT EXISTS player (player INTEGER PRIMARY KEY, number VARCHAR, name VARCHAR, gender VARCHAR(1));
 531         )", nullptr, nullptr, nullptr);  // Ignore errors.
 532
 533         sqlite3_exec(db, R"(
 534                 CREATE TABLE IF NOT EXISTS match (match INTEGER PRIMARY KEY, description VARCHAR);
 535         )", nullptr, nullptr, nullptr);  // Ignore errors.
 536
 537         sqlite3_exec(db, R"(
 538                 CREATE TABLE IF NOT EXISTS formation (formation INTEGER PRIMARY KEY, name VARCHAR, offense BOOLEAN NOT NULL);
 539         )", nullptr, nullptr, nullptr);  // Ignore errors.
 540
 541         sqlite3_exec(db, R"(
 542                 CREATE TABLE IF NOT EXISTS event (event INTEGER PRIMARY KEY, match INTEGER, t INTEGER, player INTEGER, type VARCHAR, formation INTEGER, FOREIGN KEY (player) REFERENCES player(player), FOREIGN KEY (match) REFERENCES match (match), FOREIGN KEY (formation) REFERENCES formation (formation));
 543         )", nullptr, nullptr, nullptr);  // Ignore errors.
 544
 545         sqlite3_exec(db, "PRAGMA journal_mode=WAL", nullptr, nullptr, nullptr);  // Ignore errors.
 546         sqlite3_exec(db, "PRAGMA synchronous=NORMAL", nullptr, nullptr, nullptr);  // Ignore errors.
 547         sqlite3_exec(db, "PRAGMA foreign_keys=ON", nullptr, nullptr, nullptr);  // Ignore errors.
 548         return db;
 549 }
 550
 551 int get_match_id(sqlite3 *db, QWidget *parent, int requested_match)
 552 {
 553         QStringList items;
 554         vector<int> ids;
 555         bool requested_match_ok = false;
 556
 557         // Read the list of matches already in the database.
 558         sqlite3_stmt *stmt;
 559         int ret = sqlite3_prepare_v2(db, "SELECT match, description FROM match ORDER BY match", -1, &stmt, 0);
 560         if (ret != SQLITE_OK) {
 561                 fprintf(stderr, "SELECT prepare: %s\n", sqlite3_errmsg(db));
 562                 abort();
 563         }
 564         for ( ;; ) {
 565                 ret = sqlite3_step(stmt);
 566                 if (ret == SQLITE_ROW) {
 567                         char buf[256];
 568                         snprintf(buf, sizeof(buf), "%s (%d)", sqlite3_column_text(stmt, 1), sqlite3_column_int(stmt, 0));
 569                         ids.push_back(sqlite3_column_int(stmt, 0));
 570                         if (ids.back() == requested_match) {
 571                                 requested_match_ok = true;
 572                         }
 573                         items.push_back(buf);
 574                 } else if (ret == SQLITE_DONE) {
 575                         break;
 576                 } else {
 577                         fprintf(stderr, "SELECT step: %s\n", sqlite3_errmsg(db));
 578                         abort();
 579                 }
 580         }
 581         ret = sqlite3_finalize(stmt);
 582         if (ret != SQLITE_OK) {
 583                 fprintf(stderr, "SELECT finalize: %s\n", sqlite3_errmsg(db));
 584                 abort();
 585         }
 586         items.push_back("Add new…");
 587
 588         if (requested_match_ok) {
 589                 return requested_match;
 590         }
 591
 592         QString chosen_str;
 593         {
 594                 QInputDialog dialog(parent, Qt::WindowFlags());
 595                 dialog.setWindowTitle("Open game");
 596                 dialog.setLabelText("Choose game to analyze:");
 597                 dialog.setComboBoxItems(items);
 598                 dialog.setTextValue(items[items.size() - 2]);
 599                 dialog.setOption(QInputDialog::UseListViewForComboBoxItems, true);
 600                 if (!dialog.exec()) {
 601                         return -1;
 602                 }
 603                 chosen_str = dialog.textValue();
 604         }
 605
 606         for (unsigned i = 0; i < ids.size(); ++i) {
 607                 if (chosen_str == items[i]) {
 608                         return ids[i];
 609                 }
 610         }
 611
 612         // Must be a new game. Get its name and insert it into the database.
 613         bool ok;
 614         QString new_game_str = QInputDialog::getText(parent, "New game", "Choose name for new game:", QLineEdit::Normal, "", &ok);
 615         if (!ok || new_game_str.isEmpty()) {
 616                 return -1;
 617         }
 618
 619         // Insert the new row into the database.
 620         ret = sqlite3_prepare_v2(db, "INSERT INTO match (description) VALUES (?)", -1, &stmt, 0);
 621         if (ret != SQLITE_OK) {
 622                 fprintf(stderr, "INSERT prepare: %s\n", sqlite3_errmsg(db));
 623                 abort();
 624         }
 625
 626         QByteArray new_game_utf8 = new_game_str.toUtf8();
 627         sqlite3_bind_text(stmt, 1, (const char *)new_game_utf8.data(), new_game_utf8.size(), SQLITE_STATIC);
 628
 629         ret = sqlite3_step(stmt);
 630         if (ret == SQLITE_ROW) {
 631                 fprintf(stderr, "INSERT step: %s\n", sqlite3_errmsg(db));
 632                 abort();
 633         }
 634
 635         ret = sqlite3_finalize(stmt);
 636         if (ret != SQLITE_OK) {
 637                 fprintf(stderr, "INSERT finalize: %s\n", sqlite3_errmsg(db));
 638                 abort();
 639         }
 640
 641         return sqlite3_last_insert_rowid(db);
 642 }
 643
 644 int main(int argc, char *argv[])
 645 {
 646         QApplication app(argc, argv);
 647         sqlite3 *db = open_db("ultimate.db");
 648
 649         // TODO: do this on-demand instead, from a menu
 650         export_to_json(db, "ultimate.json");
 651
 652         int requested_match = -1;
 653         if (argc >= 2) {
 654                 requested_match = atoi(argv[1]);
 655         }
 656
 657         int match_id = get_match_id(db, nullptr, requested_match);
 658         if (match_id <= 0) {  // Cancel.
 659                 return 0;
 660         }
 661
 662         MainWindow mainWindow(new EventsModel(db, match_id), new PlayersModel(db),
 663                               new FormationsModel(db, true), new FormationsModel(db, false));
 664         mainWindow.resize(QSize(1280, 720));
 665         mainWindow.show();
 666
 667         return app.exec();
 668
 669 }