]> git.sesse.net Git - pkanalytics/blob - main.cpp
Split away getting d-ed from drops.
[pkanalytics] / 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 }
302
303 void MainWindow::update_ui_from_time(uint64_t t)
304 {
305         update_status(t);
306         update_player_buttons(t);
307         update_action_buttons(t);
308 }
309
310 void MainWindow::update_status(uint64_t t)
311 {
312         EventsModel::Status s = events->get_status_at(t);
313         char buf[256];
314         std::string formation = "Not started";
315         if (s.attack_state == EventsModel::Status::OFFENSE) {
316                 if (s.offensive_formation != 0) {
317                         formation = offensive_formations->get_formation_name_by_id(s.offensive_formation);
318                 } else {
319                         formation = "Offense";
320                 }
321         } else if (s.attack_state == EventsModel::Status::DEFENSE) {
322                 if (s.defensive_formation != 0) {
323                         formation = defensive_formations->get_formation_name_by_id(s.defensive_formation);
324                 } else {
325                         formation = "Defense";
326                 }
327         }
328
329         snprintf(buf, sizeof(buf), "%d–%d | %s | %d passes, %d sec possession",
330                 s.our_score, s.their_score, formation.c_str(), s.num_passes, s.possession_sec);
331         if (s.stoppage_sec > 0) {
332                 char buf2[256];
333                 snprintf(buf2, sizeof(buf2), "%s (plus %d sec stoppage)", buf, s.stoppage_sec);
334                 ui->status->setText(buf2);
335         } else {
336                 ui->status->setText(buf);
337         }
338 }
339
340 void MainWindow::update_player_buttons(uint64_t t)
341 {
342         QPushButton *buttons[] = {
343                 ui->player_1,
344                 ui->player_2,
345                 ui->player_3,
346                 ui->player_4,
347                 ui->player_5,
348                 ui->player_6,
349                 ui->player_7
350         };
351         const char shortcuts[] = "qweasdf";
352         int num_players = 0;
353         for (int player_id : events->sort_team(events->get_team_at(t))) {
354                 QPushButton *btn = buttons[num_players];
355                 string label = players->get_player_name_by_id(player_id) + " (&" + shortcuts[num_players] + ")";
356                 char shortcut[2] = "";
357                 shortcut[0] = toupper(shortcuts[num_players]);
358                 btn->setText(QString::fromUtf8(label));
359                 btn->setShortcut(QCoreApplication::translate("MainWindow", shortcut, nullptr));
360                 btn->setEnabled(true);
361                 if (++num_players == 7) {
362                         break;
363                 }
364         }
365         for (int i = num_players; i < 7; ++i) {
366                 QPushButton *btn = buttons[i];
367                 btn->setText("No player");
368                 btn->setEnabled(false);
369         }
370 }
371
372 void MainWindow::update_action_buttons(uint64_t t)
373 {
374         {
375                 QItemSelectionModel *select = ui->offensive_formation_view->selectionModel();
376                 if (select->hasSelection()) {
377                         int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
378                         ui->offensive_formation->setEnabled(offensive_formations->get_formation_id(row) != -1);
379                 } else {
380                         ui->offensive_formation->setEnabled(false);
381                 }
382         }
383         {
384                 QItemSelectionModel *select = ui->defensive_formation_view->selectionModel();
385                 if (select->hasSelection()) {
386                         int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
387                         ui->defensive_formation->setEnabled(defensive_formations->get_formation_id(row) != -1);
388                 } else {
389                         ui->defensive_formation->setEnabled(false);
390                 }
391         }
392
393         EventsModel::Status s = events->get_status_at(t);
394
395         bool has_selection = false;
396         bool has_selection_with_player = false;
397
398         QItemSelectionModel *select = ui->event_view->selectionModel();
399         if (select->hasSelection()) {
400                 has_selection = true;
401                 int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
402                 has_selection_with_player = events->get_player_id(row).has_value();
403         }
404         ui->delete_->setEnabled(has_selection);
405
406         if (s.stoppage) {
407                 ui->stoppage->setText("Restart (&v)");
408                 ui->stoppage->setShortcut(QCoreApplication::translate("MainWindow", "V", nullptr));
409                 ui->catch_->setEnabled(false);
410                 ui->throwaway->setEnabled(false);
411                 ui->drop->setEnabled(false);
412                 ui->goal->setEnabled(false);
413                 ui->offensive_soft_plus->setEnabled(false);
414                 ui->offensive_soft_minus->setEnabled(false);
415                 ui->pull_or_was_d->setEnabled(false);
416                 ui->interception->setEnabled(false);
417                 ui->their_throwaway->setEnabled(false);
418                 ui->our_defense->setEnabled(false);
419                 ui->their_goal->setEnabled(false);
420                 ui->defensive_soft_plus->setEnabled(false);
421                 ui->defensive_soft_minus->setEnabled(false);
422                 ui->their_pull->setEnabled(false);
423                 return;
424         } else {
425                 ui->stoppage->setText("Stoppage (&v)");
426                 ui->stoppage->setShortcut(QCoreApplication::translate("MainWindow", "V", nullptr));
427         }
428
429         // Defaults for pull-related buttons.
430         ui->pull_or_was_d->setText("Pull (&p)");
431         ui->their_pull->setText("Their pull (&p)");
432         ui->pull_or_was_d->setShortcut(QCoreApplication::translate("MainWindow", "P", nullptr));
433         ui->their_pull->setShortcut(QCoreApplication::translate("MainWindow", "P", nullptr));
434         ui->throwaway->setText("Throwaway (&t)");
435         ui->throwaway->setShortcut(QCoreApplication::translate("MainWindow", "T", nullptr));
436
437         if (s.pull_state == EventsModel::Status::SHOULD_PULL) {
438                 ui->pull_or_was_d->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
439                 ui->their_pull->setEnabled(s.attack_state == EventsModel::Status::OFFENSE);
440
441                 ui->catch_->setEnabled(false);
442                 ui->throwaway->setEnabled(false);
443                 ui->drop->setEnabled(false);
444                 ui->goal->setEnabled(false);
445                 ui->offensive_soft_plus->setEnabled(false);
446                 ui->offensive_soft_minus->setEnabled(false);
447                 ui->interception->setEnabled(false);
448                 ui->their_throwaway->setEnabled(false);
449                 ui->our_defense->setEnabled(false);
450                 ui->their_goal->setEnabled(false);
451                 ui->defensive_soft_plus->setEnabled(false);
452                 ui->defensive_soft_minus->setEnabled(false);
453                 return;
454         }
455         if (s.pull_state == EventsModel::Status::PULL_IN_AIR) {
456                 if (s.attack_state == EventsModel::Status::DEFENSE) {
457                         ui->pull_or_was_d->setText("Pull landed (&p)");
458                         ui->pull_or_was_d->setShortcut(QCoreApplication::translate("MainWindow", "P", nullptr));
459                         ui->pull_or_was_d->setEnabled(true);
460
461                         ui->throwaway->setText("Pull OOB (&t)");
462                         ui->throwaway->setShortcut(QCoreApplication::translate("MainWindow", "T", nullptr));
463                         ui->throwaway->setEnabled(true);
464                 } else {
465                         ui->pull_or_was_d->setEnabled(false);
466                         ui->throwaway->setEnabled(false);
467                 }
468                 ui->their_pull->setEnabled(false);  // We don't track their pull landings; only by means of catch etc.
469
470                 ui->catch_->setEnabled(false);
471                 ui->drop->setEnabled(false);
472                 ui->goal->setEnabled(false);
473                 ui->offensive_soft_plus->setEnabled(false);
474                 ui->offensive_soft_minus->setEnabled(false);
475                 ui->interception->setEnabled(false);
476                 ui->their_throwaway->setEnabled(false);
477                 ui->our_defense->setEnabled(false);
478                 ui->their_goal->setEnabled(false);
479                 ui->defensive_soft_plus->setEnabled(false);
480                 ui->defensive_soft_minus->setEnabled(false);
481                 return;
482         }
483
484         // Not pulling, so reuse the pull button for got d-ed.
485         ui->pull_or_was_d->setText("Was d-ed (&z)");
486         ui->pull_or_was_d->setShortcut(QCoreApplication::translate("MainWindow", "Z", nullptr));
487         ui->pull_or_was_d->setEnabled(true);
488
489         ui->catch_->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
490         ui->throwaway->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
491         ui->drop->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
492         ui->goal->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
493         ui->offensive_soft_plus->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
494         ui->offensive_soft_minus->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
495         ui->pull_or_was_d->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);  // Was d-ed.
496
497         ui->interception->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
498         ui->their_throwaway->setEnabled(s.attack_state == EventsModel::Status::DEFENSE);
499         ui->our_defense->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
500         ui->their_goal->setEnabled(s.attack_state == EventsModel::Status::DEFENSE);
501         ui->defensive_soft_plus->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
502         ui->defensive_soft_minus->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
503         ui->their_pull->setEnabled(false);
504 }
505
506 void MainWindow::formation_double_clicked(bool offense, unsigned row)
507 {
508         FormationsModel *formations = offense ? offensive_formations : defensive_formations;
509         int id = formations->get_formation_id(row);
510         if (id == -1) {  // “Add new” clicked.
511                 bool ok;
512                 QString new_formation_str = QInputDialog::getText(this, "New formation", "Choose name for new formation:", QLineEdit::Normal, "", &ok);
513                 if (!ok || new_formation_str.isEmpty()) {
514                         return;
515                 }
516
517                 id = formations->insert_new(new_formation_str.toStdString());
518                 QListView *view = offense ? ui->offensive_formation_view : ui->defensive_formation_view;
519                 view->selectionModel()->select(formations->index(formations->get_row_from_id(id), 0), QItemSelectionModel::ClearAndSelect);
520                 events->inserted_new_formation(id, new_formation_str.toStdString());
521         } else {
522                 events->set_formation_at(ui->video->get_position(), offense, id);
523         }
524         update_ui_from_time(ui->video->get_position());
525 }
526
527 sqlite3 *open_db(const char *filename)
528 {
529         sqlite3 *db;
530         int ret = sqlite3_open(filename, &db);
531         if (ret != SQLITE_OK) {
532                 fprintf(stderr, "%s: %s\n", filename, sqlite3_errmsg(db));
533                 exit(1);
534         }
535
536         sqlite3_exec(db, R"(
537                 CREATE TABLE IF NOT EXISTS player (player INTEGER PRIMARY KEY, number VARCHAR, name VARCHAR, gender VARCHAR(1));
538         )", nullptr, nullptr, nullptr);  // Ignore errors.
539
540         sqlite3_exec(db, R"(
541                 CREATE TABLE IF NOT EXISTS match (match INTEGER PRIMARY KEY, description VARCHAR);
542         )", nullptr, nullptr, nullptr);  // Ignore errors.
543
544         sqlite3_exec(db, R"(
545                 CREATE TABLE IF NOT EXISTS formation (formation INTEGER PRIMARY KEY, name VARCHAR, offense BOOLEAN NOT NULL);
546         )", nullptr, nullptr, nullptr);  // Ignore errors.
547
548         sqlite3_exec(db, R"(
549                 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));
550         )", nullptr, nullptr, nullptr);  // Ignore errors.
551
552         sqlite3_exec(db, "PRAGMA journal_mode=WAL", nullptr, nullptr, nullptr);  // Ignore errors.
553         sqlite3_exec(db, "PRAGMA synchronous=NORMAL", nullptr, nullptr, nullptr);  // Ignore errors.
554         sqlite3_exec(db, "PRAGMA foreign_keys=ON", nullptr, nullptr, nullptr);  // Ignore errors.
555         return db;
556 }
557
558 int get_match_id(sqlite3 *db, QWidget *parent, int requested_match)
559 {
560         QStringList items;
561         vector<int> ids;
562         bool requested_match_ok = false;
563
564         // Read the list of matches already in the database.
565         sqlite3_stmt *stmt;
566         int ret = sqlite3_prepare_v2(db, "SELECT match, description FROM match ORDER BY match", -1, &stmt, 0);
567         if (ret != SQLITE_OK) {
568                 fprintf(stderr, "SELECT prepare: %s\n", sqlite3_errmsg(db));
569                 abort();
570         }
571         for ( ;; ) {
572                 ret = sqlite3_step(stmt);
573                 if (ret == SQLITE_ROW) {
574                         char buf[256];
575                         snprintf(buf, sizeof(buf), "%s (%d)", sqlite3_column_text(stmt, 1), sqlite3_column_int(stmt, 0));
576                         ids.push_back(sqlite3_column_int(stmt, 0));
577                         if (ids.back() == requested_match) {
578                                 requested_match_ok = true;
579                         }
580                         items.push_back(buf);
581                 } else if (ret == SQLITE_DONE) {
582                         break;
583                 } else {
584                         fprintf(stderr, "SELECT step: %s\n", sqlite3_errmsg(db));
585                         abort();
586                 }
587         }
588         ret = sqlite3_finalize(stmt);
589         if (ret != SQLITE_OK) {
590                 fprintf(stderr, "SELECT finalize: %s\n", sqlite3_errmsg(db));
591                 abort();
592         }
593         items.push_back("Add new…");
594
595         if (requested_match_ok) {
596                 return requested_match;
597         }
598
599         QString chosen_str;
600         {
601                 QInputDialog dialog(parent, Qt::WindowFlags());
602                 dialog.setWindowTitle("Open game");
603                 dialog.setLabelText("Choose game to analyze:");
604                 dialog.setComboBoxItems(items);
605                 dialog.setTextValue(items[items.size() - 2]);
606                 dialog.setOption(QInputDialog::UseListViewForComboBoxItems, true);
607                 if (!dialog.exec()) {
608                         return -1;
609                 }
610                 chosen_str = dialog.textValue();
611         }
612
613         for (unsigned i = 0; i < ids.size(); ++i) {
614                 if (chosen_str == items[i]) {
615                         return ids[i];
616                 }
617         }
618
619         // Must be a new game. Get its name and insert it into the database.
620         bool ok;
621         QString new_game_str = QInputDialog::getText(parent, "New game", "Choose name for new game:", QLineEdit::Normal, "", &ok);
622         if (!ok || new_game_str.isEmpty()) {
623                 return -1;
624         }
625
626         // Insert the new row into the database.
627         ret = sqlite3_prepare_v2(db, "INSERT INTO match (description) VALUES (?)", -1, &stmt, 0);
628         if (ret != SQLITE_OK) {
629                 fprintf(stderr, "INSERT prepare: %s\n", sqlite3_errmsg(db));
630                 abort();
631         }
632
633         QByteArray new_game_utf8 = new_game_str.toUtf8();
634         sqlite3_bind_text(stmt, 1, (const char *)new_game_utf8.data(), new_game_utf8.size(), SQLITE_STATIC);
635
636         ret = sqlite3_step(stmt);
637         if (ret == SQLITE_ROW) {
638                 fprintf(stderr, "INSERT step: %s\n", sqlite3_errmsg(db));
639                 abort();
640         }
641
642         ret = sqlite3_finalize(stmt);
643         if (ret != SQLITE_OK) {
644                 fprintf(stderr, "INSERT finalize: %s\n", sqlite3_errmsg(db));
645                 abort();
646         }
647
648         return sqlite3_last_insert_rowid(db);
649 }
650
651 int main(int argc, char *argv[])
652 {
653         QApplication app(argc, argv);
654         sqlite3 *db = open_db("ultimate.db");
655
656         // TODO: do this on-demand instead, from a menu
657         export_to_json(db, "ultimate.json");
658
659         int requested_match = -1;
660         if (argc >= 2) {
661                 requested_match = atoi(argv[1]);
662         }
663
664         int match_id = get_match_id(db, nullptr, requested_match);
665         if (match_id <= 0) {  // Cancel.
666                 return 0;
667         }
668
669         MainWindow mainWindow(new EventsModel(db, match_id), new PlayersModel(db),
670                               new FormationsModel(db, true), new FormationsModel(db, false));
671         mainWindow.resize(QSize(1280, 720));
672         mainWindow.show();
673
674         return app.exec();
675
676 }