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_or_was_d, &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                 } else if (s.pull_state == EventsModel::Status::NOT_PULLING) {
 150                         set_current_event_type("was_d");
 151                 }
 152         });
 153
 154         // Defensive events (TODO add more)
 155         connect(ui->interception, &QPushButton::clicked, [this]() { set_current_event_type("interception"); });
 156         connect(ui->defense_label, &ClickableLabel::clicked, [this]() { insert_noplayer_event("set_defense"); });
 157         connect(ui->their_throwaway, &QPushButton::clicked, [this]() { insert_noplayer_event("their_throwaway"); });
 158         connect(ui->their_goal, &QPushButton::clicked, [this]() { insert_noplayer_event("their_goal"); });
 159         connect(ui->their_pull, &QPushButton::clicked, [this, events]() {
 160                 EventsModel::Status s = events->get_status_at(ui->video->get_position());
 161                 if (s.pull_state == EventsModel::Status::SHOULD_PULL) {
 162                         insert_noplayer_event("their_pull");
 163                 }
 164         });
 165         connect(ui->our_defense, &QPushButton::clicked, [this]() { set_current_event_type("defense"); });
 166         connect(ui->defensive_soft_plus, &QPushButton::clicked, [this]() { set_current_event_type("defensive_soft_plus"); });
 167         connect(ui->defensive_soft_minus, &QPushButton::clicked, [this]() { set_current_event_type("defensive_soft_minus"); });
 168
 169         connect(ui->offensive_formation, &QPushButton::clicked, [this]() { insert_or_change_formation(/*offense=*/true); });
 170         connect(ui->defensive_formation, &QPushButton::clicked, [this]() { insert_or_change_formation(/*offense=*/false); });
 171
 172         // Misc. events
 173         connect(ui->substitution, &QPushButton::clicked, [this]() { make_substitution(); });
 174         connect(ui->stoppage, &QPushButton::clicked, [this, events]() {
 175                 EventsModel::Status s = events->get_status_at(ui->video->get_position());
 176                 if (s.stoppage) {
 177                         insert_noplayer_event("restart");
 178                 } else {
 179                         insert_noplayer_event("stoppage");
 180                 }
 181         });
 182         connect(ui->unknown, &QPushButton::clicked, [this]() { insert_noplayer_event("unknown"); });
 183
 184         QShortcut *key_delete = new QShortcut(QKeySequence(Qt::Key_Delete), this);
 185         connect(key_delete, &QShortcut::activated, [this]() { ui->delete_->animateClick(); });
 186         connect(ui->delete_, &QPushButton::clicked, [this]() { delete_current_event(); });
 187 }
 188
 189 void MainWindow::position_changed(uint64_t pos)
 190 {
 191         ui->timestamp->setText(QString::fromUtf8(format_timestamp(pos)));
 192         if (!playing) {
 193                 ui->video->pause();  // We only played to get a picture.
 194         }
 195         if (playing) {
 196                 QModelIndex row = events->get_last_event_qt(ui->video->get_position());
 197                 ui->event_view->scrollTo(row, QAbstractItemView::PositionAtCenter);
 198         }
 199         update_ui_from_time(pos);
 200 }
 201
 202 void MainWindow::insert_player_event(int button_id)
 203 {
 204         uint64_t t = ui->video->get_position();
 205         vector<int> team = events->sort_team(events->get_team_at(t));
 206         if (unsigned(button_id) >= team.size()) {
 207                 return;
 208         }
 209         int player_id = team[button_id];
 210
 211         EventsModel::Status s = events->get_status_at(t);
 212
 213         ui->event_view->selectionModel()->blockSignals(true);
 214         if (s.attack_state == EventsModel::Status::OFFENSE) {
 215                 // TODO: Perhaps not if that player already did the last catch?
 216                 ui->event_view->selectRow(events->insert_event(t, player_id, nullopt, "catch"));
 217         } else {
 218                 ui->event_view->selectRow(events->insert_event(t, player_id, nullopt));
 219         }
 220         ui->event_view->selectionModel()->blockSignals(false);
 221
 222         update_ui_from_time(t);
 223 }
 224
 225 void MainWindow::insert_noplayer_event(const string &type)
 226 {
 227         uint64_t t = ui->video->get_position();
 228
 229         ui->event_view->selectionModel()->blockSignals(true);
 230         ui->event_view->selectRow(events->insert_event(t, nullopt, nullopt, type));
 231         ui->event_view->selectionModel()->blockSignals(false);
 232
 233         update_ui_from_time(t);
 234 }
 235
 236 void MainWindow::set_current_event_type(const string &type)
 237 {
 238         QItemSelectionModel *select = ui->event_view->selectionModel();
 239         if (!select->hasSelection()) {
 240                 return;
 241         }
 242         int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 243         events->set_event_type(row, type);
 244         update_ui_from_time(ui->video->get_position());
 245 }
 246
 247 // Formation buttons either modify the existing formation (if we've selected
 248 // a formation change event), or insert a new one (if not).
 249 void MainWindow::insert_or_change_formation(bool offense)
 250 {
 251         FormationsModel *formations = offense ? offensive_formations : defensive_formations;
 252         QListView *formation_view = offense ? ui->offensive_formation_view : ui->defensive_formation_view;
 253         if (!formation_view->selectionModel()->hasSelection()) {
 254                 // This shouldn't happen; the button should not have been enabled.
 255                 return;
 256         }
 257         int formation_row = formation_view->selectionModel()->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 258         int formation_id = formations->get_formation_id(formation_row);
 259         if (formation_id == -1) {
 260                 // This also shouldn't happen (“Add new…” selected).
 261                 return;
 262         }
 263
 264         QItemSelectionModel *select = ui->event_view->selectionModel();
 265         if (select->hasSelection()) {
 266                 int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 267                 string expected_type = offense ? "formation_offense" : "formation_defense";
 268                 if (events->get_event_type(row) == expected_type) {
 269                         events->set_event_formation(row, formation_id);
 270                         update_ui_from_time(ui->video->get_position());
 271                         return;
 272                 }
 273         }
 274
 275         // Insert a new formation event instead (same as double-click on the selected one).
 276         events->set_formation_at(ui->video->get_position(), offense, formation_id);
 277         update_ui_from_time(ui->video->get_position());
 278 }
 279
 280 void MainWindow::delete_current_event()
 281 {
 282         QItemSelectionModel *select = ui->event_view->selectionModel();
 283         if (!select->hasSelection()) {
 284                 return;
 285         }
 286         int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 287         ui->event_view->selectionModel()->blockSignals(true);
 288         events->delete_event(row);
 289         ui->event_view->selectionModel()->blockSignals(false);
 290         update_ui_from_time(ui->video->get_position());
 291 }
 292
 293 void MainWindow::make_substitution()
 294 {
 295         QItemSelectionModel *select = ui->player_view->selectionModel();
 296         set<int> new_team;
 297         for (QModelIndex row : select->selectedRows()) {
 298                 new_team.insert(players->get_player_id(row.row()));
 299         }
 300         events->set_team_at(ui->video->get_position(), new_team);
 301         update_player_buttons(ui->video->get_position());
 302 }
 303
 304 void MainWindow::update_ui_from_time(uint64_t t)
 305 {
 306         update_status(t);
 307         update_player_buttons(t);
 308         update_action_buttons(t);
 309 }
 310
 311 void MainWindow::update_status(uint64_t t)
 312 {
 313         EventsModel::Status s = events->get_status_at(t);
 314         char buf[256];
 315         std::string formation = "Not started";
 316         if (s.attack_state == EventsModel::Status::OFFENSE) {
 317                 if (s.offensive_formation != 0) {
 318                         formation = offensive_formations->get_formation_name_by_id(s.offensive_formation);
 319                 } else {
 320                         formation = "Offense";
 321                 }
 322         } else if (s.attack_state == EventsModel::Status::DEFENSE) {
 323                 if (s.defensive_formation != 0) {
 324                         formation = defensive_formations->get_formation_name_by_id(s.defensive_formation);
 325                 } else {
 326                         formation = "Defense";
 327                 }
 328         }
 329
 330         snprintf(buf, sizeof(buf), "%d–%d | %s | %d passes, %d sec possession",
 331                 s.our_score, s.their_score, formation.c_str(), s.num_passes, s.possession_sec);
 332         if (s.stoppage_sec > 0) {
 333                 char buf2[256];
 334                 snprintf(buf2, sizeof(buf2), "%s (plus %d sec stoppage)", buf, s.stoppage_sec);
 335                 ui->status->setText(buf2);
 336         } else {
 337                 ui->status->setText(buf);
 338         }
 339 }
 340
 341 void MainWindow::update_player_buttons(uint64_t t)
 342 {
 343         QPushButton *buttons[] = {
 344                 ui->player_1,
 345                 ui->player_2,
 346                 ui->player_3,
 347                 ui->player_4,
 348                 ui->player_5,
 349                 ui->player_6,
 350                 ui->player_7
 351         };
 352         const char shortcuts[] = "qweasdf";
 353         int num_players = 0;
 354         for (int player_id : events->sort_team(events->get_team_at(t))) {
 355                 QPushButton *btn = buttons[num_players];
 356                 string label = players->get_player_name_by_id(player_id) + " (&" + shortcuts[num_players] + ")";
 357                 char shortcut[2] = "";
 358                 shortcut[0] = toupper(shortcuts[num_players]);
 359                 btn->setText(QString::fromUtf8(label));
 360                 btn->setShortcut(QCoreApplication::translate("MainWindow", shortcut, nullptr));
 361                 btn->setEnabled(true);
 362                 if (++num_players == 7) {
 363                         break;
 364                 }
 365         }
 366         for (int i = num_players; i < 7; ++i) {
 367                 QPushButton *btn = buttons[i];
 368                 btn->setText("No player");
 369                 btn->setEnabled(false);
 370         }
 371 }
 372
 373 void MainWindow::update_action_buttons(uint64_t t)
 374 {
 375         {
 376                 QItemSelectionModel *select = ui->offensive_formation_view->selectionModel();
 377                 if (select->hasSelection()) {
 378                         int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 379                         ui->offensive_formation->setEnabled(offensive_formations->get_formation_id(row) != -1);
 380                 } else {
 381                         ui->offensive_formation->setEnabled(false);
 382                 }
 383         }
 384         {
 385                 QItemSelectionModel *select = ui->defensive_formation_view->selectionModel();
 386                 if (select->hasSelection()) {
 387                         int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 388                         ui->defensive_formation->setEnabled(defensive_formations->get_formation_id(row) != -1);
 389                 } else {
 390                         ui->defensive_formation->setEnabled(false);
 391                 }
 392         }
 393
 394         EventsModel::Status s = events->get_status_at(t);
 395
 396         bool has_selection = false;
 397         bool has_selection_with_player = false;
 398
 399         QItemSelectionModel *select = ui->event_view->selectionModel();
 400         if (select->hasSelection()) {
 401                 has_selection = true;
 402                 int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 403                 has_selection_with_player = events->get_player_id(row).has_value();
 404         }
 405         ui->delete_->setEnabled(has_selection);
 406
 407         if (s.stoppage) {
 408                 ui->stoppage->setText("Restart (&v)");
 409                 ui->stoppage->setShortcut(QCoreApplication::translate("MainWindow", "V", nullptr));
 410                 ui->catch_->setEnabled(false);
 411                 ui->throwaway->setEnabled(false);
 412                 ui->drop->setEnabled(false);
 413                 ui->goal->setEnabled(false);
 414                 ui->offensive_soft_plus->setEnabled(false);
 415                 ui->offensive_soft_minus->setEnabled(false);
 416                 ui->pull_or_was_d->setEnabled(false);
 417                 ui->interception->setEnabled(false);
 418                 ui->their_throwaway->setEnabled(false);
 419                 ui->our_defense->setEnabled(false);
 420                 ui->their_goal->setEnabled(false);
 421                 ui->defensive_soft_plus->setEnabled(false);
 422                 ui->defensive_soft_minus->setEnabled(false);
 423                 ui->their_pull->setEnabled(false);
 424                 return;
 425         } else {
 426                 ui->stoppage->setText("Stoppage (&v)");
 427                 ui->stoppage->setShortcut(QCoreApplication::translate("MainWindow", "V", nullptr));
 428         }
 429
 430         // Defaults for pull-related buttons.
 431         ui->pull_or_was_d->setText("Pull (&p)");
 432         ui->their_pull->setText("Their pull (&p)");
 433         ui->pull_or_was_d->setShortcut(QCoreApplication::translate("MainWindow", "P", nullptr));
 434         ui->their_pull->setShortcut(QCoreApplication::translate("MainWindow", "P", nullptr));
 435         ui->throwaway->setText("Throwaway (&t)");
 436         ui->throwaway->setShortcut(QCoreApplication::translate("MainWindow", "T", nullptr));
 437
 438         if (s.pull_state == EventsModel::Status::SHOULD_PULL) {
 439                 ui->pull_or_was_d->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 440                 ui->their_pull->setEnabled(s.attack_state == EventsModel::Status::OFFENSE);
 441
 442                 ui->catch_->setEnabled(false);
 443                 ui->throwaway->setEnabled(false);
 444                 ui->drop->setEnabled(false);
 445                 ui->goal->setEnabled(false);
 446                 ui->offensive_soft_plus->setEnabled(false);
 447                 ui->offensive_soft_minus->setEnabled(false);
 448                 ui->interception->setEnabled(false);
 449                 ui->their_throwaway->setEnabled(false);
 450                 ui->our_defense->setEnabled(false);
 451                 ui->their_goal->setEnabled(false);
 452                 ui->defensive_soft_plus->setEnabled(false);
 453                 ui->defensive_soft_minus->setEnabled(false);
 454                 return;
 455         }
 456         if (s.pull_state == EventsModel::Status::PULL_IN_AIR) {
 457                 if (s.attack_state == EventsModel::Status::DEFENSE) {
 458                         ui->pull_or_was_d->setText("Pull landed (&p)");
 459                         ui->pull_or_was_d->setShortcut(QCoreApplication::translate("MainWindow", "P", nullptr));
 460                         ui->pull_or_was_d->setEnabled(true);
 461
 462                         ui->throwaway->setText("Pull OOB (&t)");
 463                         ui->throwaway->setShortcut(QCoreApplication::translate("MainWindow", "T", nullptr));
 464                         ui->throwaway->setEnabled(true);
 465                 } else {
 466                         ui->pull_or_was_d->setEnabled(false);
 467                         ui->throwaway->setEnabled(false);
 468                 }
 469                 ui->their_pull->setEnabled(false);  // We don't track their pull landings; only by means of catch etc.
 470
 471                 ui->catch_->setEnabled(false);
 472                 ui->drop->setEnabled(false);
 473                 ui->goal->setEnabled(false);
 474                 ui->offensive_soft_plus->setEnabled(false);
 475                 ui->offensive_soft_minus->setEnabled(false);
 476                 ui->interception->setEnabled(false);
 477                 ui->their_throwaway->setEnabled(false);
 478                 ui->our_defense->setEnabled(false);
 479                 ui->their_goal->setEnabled(false);
 480                 ui->defensive_soft_plus->setEnabled(false);
 481                 ui->defensive_soft_minus->setEnabled(false);
 482                 return;
 483         }
 484
 485         // Not pulling, so reuse the pull button for got d-ed.
 486         ui->pull_or_was_d->setText("Was d-ed (&z)");
 487         ui->pull_or_was_d->setShortcut(QCoreApplication::translate("MainWindow", "Z", nullptr));
 488         ui->pull_or_was_d->setEnabled(true);
 489
 490         ui->catch_->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 491         ui->throwaway->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 492         ui->drop->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 493         ui->goal->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 494         ui->offensive_soft_plus->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 495         ui->offensive_soft_minus->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 496         ui->pull_or_was_d->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);  // Was d-ed.
 497
 498         ui->interception->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 499         ui->their_throwaway->setEnabled(s.attack_state == EventsModel::Status::DEFENSE);
 500         ui->our_defense->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 501         ui->their_goal->setEnabled(s.attack_state == EventsModel::Status::DEFENSE);
 502         ui->defensive_soft_plus->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 503         ui->defensive_soft_minus->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 504         ui->their_pull->setEnabled(false);
 505 }
 506
 507 void MainWindow::formation_double_clicked(bool offense, unsigned row)
 508 {
 509         FormationsModel *formations = offense ? offensive_formations : defensive_formations;
 510         int id = formations->get_formation_id(row);
 511         if (id == -1) {  // “Add new” clicked.
 512                 bool ok;
 513                 QString new_formation_str = QInputDialog::getText(this, "New formation", "Choose name for new formation:", QLineEdit::Normal, "", &ok);
 514                 if (!ok || new_formation_str.isEmpty()) {
 515                         return;
 516                 }
 517
 518                 id = formations->insert_new(new_formation_str.toStdString());
 519                 QListView *view = offense ? ui->offensive_formation_view : ui->defensive_formation_view;
 520                 view->selectionModel()->select(formations->index(formations->get_row_from_id(id), 0), QItemSelectionModel::ClearAndSelect);
 521                 events->inserted_new_formation(id, new_formation_str.toStdString());
 522         } else {
 523                 events->set_formation_at(ui->video->get_position(), offense, id);
 524         }
 525         update_ui_from_time(ui->video->get_position());
 526 }
 527
 528 sqlite3 *open_db(const char *filename)
 529 {
 530         sqlite3 *db;
 531         int ret = sqlite3_open(filename, &db);
 532         if (ret != SQLITE_OK) {
 533                 fprintf(stderr, "%s: %s\n", filename, sqlite3_errmsg(db));
 534                 exit(1);
 535         }
 536
 537         sqlite3_exec(db, R"(
 538                 CREATE TABLE IF NOT EXISTS player (player INTEGER PRIMARY KEY, number VARCHAR, name VARCHAR, gender VARCHAR(1));
 539         )", nullptr, nullptr, nullptr);  // Ignore errors.
 540
 541         sqlite3_exec(db, R"(
 542                 CREATE TABLE IF NOT EXISTS match (match INTEGER PRIMARY KEY, description VARCHAR);
 543         )", nullptr, nullptr, nullptr);  // Ignore errors.
 544
 545         sqlite3_exec(db, R"(
 546                 CREATE TABLE IF NOT EXISTS formation (formation INTEGER PRIMARY KEY, name VARCHAR, offense BOOLEAN NOT NULL);
 547         )", nullptr, nullptr, nullptr);  // Ignore errors.
 548
 549         sqlite3_exec(db, R"(
 550                 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));
 551         )", nullptr, nullptr, nullptr);  // Ignore errors.
 552
 553         sqlite3_exec(db, "PRAGMA journal_mode=WAL", nullptr, nullptr, nullptr);  // Ignore errors.
 554         sqlite3_exec(db, "PRAGMA synchronous=NORMAL", nullptr, nullptr, nullptr);  // Ignore errors.
 555         sqlite3_exec(db, "PRAGMA foreign_keys=ON", nullptr, nullptr, nullptr);  // Ignore errors.
 556         return db;
 557 }
 558
 559 int get_match_id(sqlite3 *db, QWidget *parent, int requested_match)
 560 {
 561         QStringList items;
 562         vector<int> ids;
 563         bool requested_match_ok = false;
 564
 565         // Read the list of matches already in the database.
 566         sqlite3_stmt *stmt;
 567         int ret = sqlite3_prepare_v2(db, "SELECT match, description FROM match ORDER BY match", -1, &stmt, 0);
 568         if (ret != SQLITE_OK) {
 569                 fprintf(stderr, "SELECT prepare: %s\n", sqlite3_errmsg(db));
 570                 abort();
 571         }
 572         for ( ;; ) {
 573                 ret = sqlite3_step(stmt);
 574                 if (ret == SQLITE_ROW) {
 575                         char buf[256];
 576                         snprintf(buf, sizeof(buf), "%s (%d)", sqlite3_column_text(stmt, 1), sqlite3_column_int(stmt, 0));
 577                         ids.push_back(sqlite3_column_int(stmt, 0));
 578                         if (ids.back() == requested_match) {
 579                                 requested_match_ok = true;
 580                         }
 581                         items.push_back(buf);
 582                 } else if (ret == SQLITE_DONE) {
 583                         break;
 584                 } else {
 585                         fprintf(stderr, "SELECT step: %s\n", sqlite3_errmsg(db));
 586                         abort();
 587                 }
 588         }
 589         ret = sqlite3_finalize(stmt);
 590         if (ret != SQLITE_OK) {
 591                 fprintf(stderr, "SELECT finalize: %s\n", sqlite3_errmsg(db));
 592                 abort();
 593         }
 594         items.push_back("Add new…");
 595
 596         if (requested_match_ok) {
 597                 return requested_match;
 598         }
 599
 600         QString chosen_str;
 601         {
 602                 QInputDialog dialog(parent, Qt::WindowFlags());
 603                 dialog.setWindowTitle("Open game");
 604                 dialog.setLabelText("Choose game to analyze:");
 605                 dialog.setComboBoxItems(items);
 606                 dialog.setTextValue(items[items.size() - 2]);
 607                 dialog.setOption(QInputDialog::UseListViewForComboBoxItems, true);
 608                 if (!dialog.exec()) {
 609                         return -1;
 610                 }
 611                 chosen_str = dialog.textValue();
 612         }
 613
 614         for (unsigned i = 0; i < ids.size(); ++i) {
 615                 if (chosen_str == items[i]) {
 616                         return ids[i];
 617                 }
 618         }
 619
 620         // Must be a new game. Get its name and insert it into the database.
 621         bool ok;
 622         QString new_game_str = QInputDialog::getText(parent, "New game", "Choose name for new game:", QLineEdit::Normal, "", &ok);
 623         if (!ok || new_game_str.isEmpty()) {
 624                 return -1;
 625         }
 626
 627         // Insert the new row into the database.
 628         ret = sqlite3_prepare_v2(db, "INSERT INTO match (description) VALUES (?)", -1, &stmt, 0);
 629         if (ret != SQLITE_OK) {
 630                 fprintf(stderr, "INSERT prepare: %s\n", sqlite3_errmsg(db));
 631                 abort();
 632         }
 633
 634         QByteArray new_game_utf8 = new_game_str.toUtf8();
 635         sqlite3_bind_text(stmt, 1, (const char *)new_game_utf8.data(), new_game_utf8.size(), SQLITE_STATIC);
 636
 637         ret = sqlite3_step(stmt);
 638         if (ret == SQLITE_ROW) {
 639                 fprintf(stderr, "INSERT step: %s\n", sqlite3_errmsg(db));
 640                 abort();
 641         }
 642
 643         ret = sqlite3_finalize(stmt);
 644         if (ret != SQLITE_OK) {
 645                 fprintf(stderr, "INSERT finalize: %s\n", sqlite3_errmsg(db));
 646                 abort();
 647         }
 648
 649         return sqlite3_last_insert_rowid(db);
 650 }
 651
 652 int main(int argc, char *argv[])
 653 {
 654         QApplication app(argc, argv);
 655         sqlite3 *db = open_db("ultimate.db");
 656
 657         // TODO: do this on-demand instead, from a menu
 658         export_to_json(db, "ultimate.json");
 659
 660         int requested_match = -1;
 661         if (argc >= 2) {
 662                 requested_match = atoi(argv[1]);
 663         }
 664
 665         int match_id = get_match_id(db, nullptr, requested_match);
 666         if (match_id <= 0) {  // Cancel.
 667                 return 0;
 668         }
 669
 670         MainWindow mainWindow(new EventsModel(db, match_id), new PlayersModel(db),
 671                               new FormationsModel(db, true), new FormationsModel(db, false));
 672         mainWindow.resize(QSize(1280, 720));
 673         mainWindow.show();
 674
 675         return app.exec();
 676
 677 }