1 /******************************************************************************
2     Copyright (C) 2019 by Dillon Pentz <dillon@vodbox.io>
3 
4     This program is free software: you can redistribute it and/or modify
5     it under the terms of the GNU General Public License as published by
6     the Free Software Foundation, either version 2 of the License, or
7     (at your option) any later version.
8 
9     This program is distributed in the hope that it will be useful,
10     but WITHOUT ANY WARRANTY; without even the implied warranty of
11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12     GNU General Public License for more details.
13 
14     You should have received a copy of the GNU General Public License
15     along with this program.  If not, see <http://www.gnu.org/licenses/>.
16 ******************************************************************************/
17 
18 #include "window-missing-files.hpp"
19 #include "window-basic-main.hpp"
20 
21 #include "obs-app.hpp"
22 
23 #include <QLineEdit>
24 #include <QToolButton>
25 #include <QFileDialog>
26 
27 #include "qt-wrappers.hpp"
28 
29 enum MissingFilesColumn {
30 	Source,
31 	OriginalPath,
32 	NewPath,
33 	State,
34 
35 	Count
36 };
37 
38 enum MissingFilesRole { EntryStateRole = Qt::UserRole, NewPathsToProcessRole };
39 
40 /**********************************************************
41   Delegate - Presents cells in the grid.
42 **********************************************************/
43 
MissingFilesPathItemDelegate(bool isOutput,const QString & defaultPath)44 MissingFilesPathItemDelegate::MissingFilesPathItemDelegate(
45 	bool isOutput, const QString &defaultPath)
46 	: QStyledItemDelegate(), isOutput(isOutput), defaultPath(defaultPath)
47 {
48 }
49 
createEditor(QWidget * parent,const QStyleOptionViewItem &,const QModelIndex & index) const50 QWidget *MissingFilesPathItemDelegate::createEditor(
51 	QWidget *parent, const QStyleOptionViewItem & /* option */,
52 	const QModelIndex &index) const
53 {
54 	QSizePolicy buttonSizePolicy(QSizePolicy::Policy::Minimum,
55 				     QSizePolicy::Policy::Expanding,
56 				     QSizePolicy::ControlType::PushButton);
57 
58 	QWidget *container = new QWidget(parent);
59 
60 	auto browseCallback = [this, container]() {
61 		const_cast<MissingFilesPathItemDelegate *>(this)->handleBrowse(
62 			container);
63 	};
64 
65 	auto clearCallback = [this, container]() {
66 		const_cast<MissingFilesPathItemDelegate *>(this)->handleClear(
67 			container);
68 	};
69 
70 	QHBoxLayout *layout = new QHBoxLayout();
71 	layout->setContentsMargins(0, 0, 0, 0);
72 	layout->setSpacing(0);
73 
74 	QLineEdit *text = new QLineEdit();
75 	text->setObjectName(QStringLiteral("text"));
76 	text->setSizePolicy(QSizePolicy(QSizePolicy::Policy::Expanding,
77 					QSizePolicy::Policy::Expanding,
78 					QSizePolicy::ControlType::LineEdit));
79 	layout->addWidget(text);
80 
81 	QToolButton *browseButton = new QToolButton();
82 	browseButton->setText("...");
83 	browseButton->setSizePolicy(buttonSizePolicy);
84 	layout->addWidget(browseButton);
85 
86 	container->connect(browseButton, &QToolButton::clicked, browseCallback);
87 
88 	// The "clear" button is not shown in input cells
89 	if (isOutput) {
90 		QToolButton *clearButton = new QToolButton();
91 		clearButton->setText("X");
92 		clearButton->setSizePolicy(buttonSizePolicy);
93 		layout->addWidget(clearButton);
94 
95 		container->connect(clearButton, &QToolButton::clicked,
96 				   clearCallback);
97 	}
98 
99 	container->setLayout(layout);
100 	container->setFocusProxy(text);
101 
102 	UNUSED_PARAMETER(index);
103 
104 	return container;
105 }
106 
setEditorData(QWidget * editor,const QModelIndex & index) const107 void MissingFilesPathItemDelegate::setEditorData(QWidget *editor,
108 						 const QModelIndex &index) const
109 {
110 	QLineEdit *text = editor->findChild<QLineEdit *>();
111 	text->setText(index.data().toString());
112 
113 	editor->setProperty(PATH_LIST_PROP, QVariant());
114 }
115 
setModelData(QWidget * editor,QAbstractItemModel * model,const QModelIndex & index) const116 void MissingFilesPathItemDelegate::setModelData(QWidget *editor,
117 						QAbstractItemModel *model,
118 						const QModelIndex &index) const
119 {
120 	// We use the PATH_LIST_PROP property to pass a list of
121 	// path strings from the editor widget into the model's
122 	// NewPathsToProcessRole. This is only used when paths
123 	// are selected through the "browse" or "delete" buttons
124 	// in the editor. If the user enters new text in the
125 	// text box, we simply pass that text on to the model
126 	// as normal text data in the default role.
127 	QVariant pathListProp = editor->property(PATH_LIST_PROP);
128 	if (pathListProp.isValid()) {
129 		QStringList list =
130 			editor->property(PATH_LIST_PROP).toStringList();
131 		if (isOutput) {
132 			model->setData(index, list);
133 		} else
134 			model->setData(index, list,
135 				       MissingFilesRole::NewPathsToProcessRole);
136 	} else {
137 		QLineEdit *lineEdit = editor->findChild<QLineEdit *>();
138 		model->setData(index, lineEdit->text(), 0);
139 	}
140 }
141 
paint(QPainter * painter,const QStyleOptionViewItem & option,const QModelIndex & index) const142 void MissingFilesPathItemDelegate::paint(QPainter *painter,
143 					 const QStyleOptionViewItem &option,
144 					 const QModelIndex &index) const
145 {
146 	QStyleOptionViewItem localOption = option;
147 	initStyleOption(&localOption, index);
148 
149 	QApplication::style()->drawControl(QStyle::CE_ItemViewItem,
150 					   &localOption, painter);
151 }
152 
handleBrowse(QWidget * container)153 void MissingFilesPathItemDelegate::handleBrowse(QWidget *container)
154 {
155 
156 	QLineEdit *text = container->findChild<QLineEdit *>();
157 
158 	QString currentPath = text->text();
159 	if (currentPath.isEmpty() ||
160 	    currentPath.compare(QTStr("MissingFiles.Clear")) == 0)
161 		currentPath = defaultPath;
162 
163 	bool isSet = false;
164 	if (isOutput) {
165 		QString newPath = QFileDialog::getOpenFileName(
166 			container, QTStr("MissingFiles.SelectFile"),
167 			currentPath, nullptr);
168 
169 		if (!newPath.isEmpty()) {
170 			container->setProperty(PATH_LIST_PROP,
171 					       QStringList() << newPath);
172 			isSet = true;
173 		}
174 	}
175 
176 	if (isSet)
177 		emit commitData(container);
178 }
179 
handleClear(QWidget * container)180 void MissingFilesPathItemDelegate::handleClear(QWidget *container)
181 {
182 	// An empty string list will indicate that the entry is being
183 	// blanked and should be deleted.
184 	container->setProperty(PATH_LIST_PROP,
185 			       QStringList() << QTStr("MissingFiles.Clear"));
186 	container->findChild<QLineEdit *>()->clearFocus();
187 	((QWidget *)container->parent())->setFocus();
188 	emit commitData(container);
189 }
190 
191 /**
192 	Model
193 **/
194 
MissingFilesModel(QObject * parent)195 MissingFilesModel::MissingFilesModel(QObject *parent)
196 	: QAbstractTableModel(parent)
197 {
198 	QStyle *style = QApplication::style();
199 
200 	warningIcon = style->standardIcon(QStyle::SP_MessageBoxWarning);
201 }
202 
rowCount(const QModelIndex &) const203 int MissingFilesModel::rowCount(const QModelIndex &) const
204 {
205 	return files.length();
206 }
207 
columnCount(const QModelIndex &) const208 int MissingFilesModel::columnCount(const QModelIndex &) const
209 {
210 	return MissingFilesColumn::Count;
211 }
212 
found() const213 int MissingFilesModel::found() const
214 {
215 	int res = 0;
216 
217 	for (int i = 0; i < files.length(); i++) {
218 		if (files[i].state != Missing && files[i].state != Cleared)
219 			res++;
220 	}
221 
222 	return res;
223 }
224 
data(const QModelIndex & index,int role) const225 QVariant MissingFilesModel::data(const QModelIndex &index, int role) const
226 {
227 	QVariant result = QVariant();
228 
229 	if (index.row() >= files.length()) {
230 		return QVariant();
231 	} else if (role == Qt::DisplayRole) {
232 		QFileInfo fi(files[index.row()].originalPath);
233 
234 		switch (index.column()) {
235 		case MissingFilesColumn::Source:
236 			result = files[index.row()].source;
237 			break;
238 		case MissingFilesColumn::OriginalPath:
239 			result = fi.fileName();
240 			break;
241 		case MissingFilesColumn::NewPath:
242 			result = files[index.row()].newPath;
243 			break;
244 		case MissingFilesColumn::State:
245 			switch (files[index.row()].state) {
246 			case MissingFilesState::Missing:
247 				result = QTStr("MissingFiles.Missing");
248 				break;
249 
250 			case MissingFilesState::Replaced:
251 				result = QTStr("MissingFiles.Replaced");
252 				break;
253 
254 			case MissingFilesState::Found:
255 				result = QTStr("MissingFiles.Found");
256 				break;
257 
258 			case MissingFilesState::Cleared:
259 				result = QTStr("MissingFiles.Cleared");
260 				break;
261 			}
262 			break;
263 		}
264 	} else if (role == Qt::DecorationRole &&
265 		   index.column() == MissingFilesColumn::Source) {
266 		OBSBasic *main =
267 			reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
268 		obs_source_t *source = obs_get_source_by_name(
269 			files[index.row()].source.toStdString().c_str());
270 
271 		if (source) {
272 			result = main->GetSourceIcon(obs_source_get_id(source));
273 
274 			obs_source_release(source);
275 		}
276 	} else if (role == Qt::FontRole &&
277 		   index.column() == MissingFilesColumn::State) {
278 		QFont font = QFont();
279 		font.setBold(true);
280 
281 		result = font;
282 	} else if (role == Qt::ToolTipRole &&
283 		   index.column() == MissingFilesColumn::State) {
284 		switch (files[index.row()].state) {
285 		case MissingFilesState::Missing:
286 			result = QTStr("MissingFiles.Missing");
287 			break;
288 
289 		case MissingFilesState::Replaced:
290 			result = QTStr("MissingFiles.Replaced");
291 			break;
292 
293 		case MissingFilesState::Found:
294 			result = QTStr("MissingFiles.Found");
295 			break;
296 
297 		case MissingFilesState::Cleared:
298 			result = QTStr("MissingFiles.Cleared");
299 			break;
300 
301 		default:
302 			break;
303 		}
304 	} else if (role == Qt::ToolTipRole) {
305 		switch (index.column()) {
306 		case MissingFilesColumn::OriginalPath:
307 			result = files[index.row()].originalPath;
308 			break;
309 		case MissingFilesColumn::NewPath:
310 			result = files[index.row()].newPath;
311 			break;
312 		default:
313 			break;
314 		}
315 	}
316 
317 	return result;
318 }
319 
flags(const QModelIndex & index) const320 Qt::ItemFlags MissingFilesModel::flags(const QModelIndex &index) const
321 {
322 	Qt::ItemFlags flags = QAbstractTableModel::flags(index);
323 
324 	if (index.column() == MissingFilesColumn::OriginalPath) {
325 		flags &= ~Qt::ItemIsEditable;
326 	} else if (index.column() == MissingFilesColumn::NewPath &&
327 		   index.row() != files.length()) {
328 		flags |= Qt::ItemIsEditable;
329 	}
330 
331 	return flags;
332 }
333 
fileCheckLoop(QList<MissingFileEntry> files,QString path,bool skipPrompt)334 void MissingFilesModel::fileCheckLoop(QList<MissingFileEntry> files,
335 				      QString path, bool skipPrompt)
336 {
337 	loop = false;
338 	QUrl url = QUrl().fromLocalFile(path);
339 	QString dir =
340 		url.toDisplayString(QUrl::RemoveScheme | QUrl::RemoveFilename |
341 				    QUrl::PreferLocalFile);
342 
343 	bool prompted = skipPrompt;
344 
345 	for (int i = 0; i < files.length(); i++) {
346 		if (files[i].state != MissingFilesState::Missing)
347 			continue;
348 
349 		QUrl origFile = QUrl().fromLocalFile(files[i].originalPath);
350 		QString filename = origFile.fileName();
351 		QString testFile = dir + filename;
352 
353 		if (os_file_exists(testFile.toStdString().c_str())) {
354 			if (!prompted) {
355 				QMessageBox::StandardButton button =
356 					QMessageBox::question(
357 						nullptr,
358 						QTStr("MissingFiles.AutoSearch"),
359 						QTStr("MissingFiles.AutoSearchText"));
360 
361 				if (button == QMessageBox::No)
362 					break;
363 
364 				prompted = true;
365 			}
366 			QModelIndex in = index(i, MissingFilesColumn::NewPath);
367 			setData(in, testFile, 0);
368 		}
369 	}
370 	loop = true;
371 }
372 
setData(const QModelIndex & index,const QVariant & value,int role)373 bool MissingFilesModel::setData(const QModelIndex &index, const QVariant &value,
374 				int role)
375 {
376 	bool success = false;
377 
378 	if (role == MissingFilesRole::NewPathsToProcessRole) {
379 		QStringList list = value.toStringList();
380 
381 		int row = index.row() + 1;
382 		beginInsertRows(QModelIndex(), row, row);
383 
384 		MissingFileEntry entry;
385 		entry.originalPath = list[0].replace("\\", "/");
386 		entry.source = list[1];
387 
388 		files.insert(row, entry);
389 		row++;
390 
391 		endInsertRows();
392 
393 		success = true;
394 	} else {
395 		QString path = value.toString();
396 		if (index.column() == MissingFilesColumn::NewPath) {
397 			files[index.row()].newPath = value.toString();
398 			QString fileName = QUrl(path).fileName();
399 			QString origFileName =
400 				QUrl(files[index.row()].originalPath).fileName();
401 
402 			if (path.isEmpty()) {
403 				files[index.row()].state =
404 					MissingFilesState::Missing;
405 			} else if (path.compare(QTStr("MissingFiles.Clear")) ==
406 				   0) {
407 				files[index.row()].state =
408 					MissingFilesState::Cleared;
409 			} else if (fileName.compare(origFileName) == 0) {
410 				files[index.row()].state =
411 					MissingFilesState::Found;
412 
413 				if (loop)
414 					fileCheckLoop(files, path, false);
415 			} else {
416 				files[index.row()].state =
417 					MissingFilesState::Replaced;
418 
419 				if (loop)
420 					fileCheckLoop(files, path, false);
421 			}
422 
423 			emit dataChanged(index, index);
424 			success = true;
425 		}
426 	}
427 
428 	return success;
429 }
430 
headerData(int section,Qt::Orientation orientation,int role) const431 QVariant MissingFilesModel::headerData(int section, Qt::Orientation orientation,
432 				       int role) const
433 {
434 	QVariant result = QVariant();
435 
436 	if (role == Qt::DisplayRole &&
437 	    orientation == Qt::Orientation::Horizontal) {
438 		switch (section) {
439 		case MissingFilesColumn::State:
440 			result = QTStr("MissingFiles.State");
441 			break;
442 		case MissingFilesColumn::Source:
443 			result = QTStr("Basic.Main.Source");
444 			break;
445 		case MissingFilesColumn::OriginalPath:
446 			result = QTStr("MissingFiles.MissingFile");
447 			break;
448 		case MissingFilesColumn::NewPath:
449 			result = QTStr("MissingFiles.NewFile");
450 			break;
451 		}
452 	}
453 
454 	return result;
455 }
456 
OBSMissingFiles(obs_missing_files_t * files,QWidget * parent)457 OBSMissingFiles::OBSMissingFiles(obs_missing_files_t *files, QWidget *parent)
458 	: QDialog(parent),
459 	  filesModel(new MissingFilesModel),
460 	  ui(new Ui::OBSMissingFiles)
461 {
462 	setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
463 
464 	ui->setupUi(this);
465 
466 	ui->tableView->setModel(filesModel);
467 	ui->tableView->setItemDelegateForColumn(
468 		MissingFilesColumn::OriginalPath,
469 		new MissingFilesPathItemDelegate(false, ""));
470 	ui->tableView->setItemDelegateForColumn(
471 		MissingFilesColumn::NewPath,
472 		new MissingFilesPathItemDelegate(true, ""));
473 	ui->tableView->horizontalHeader()->setSectionResizeMode(
474 		QHeaderView::ResizeMode::Stretch);
475 	ui->tableView->horizontalHeader()->setSectionResizeMode(
476 		MissingFilesColumn::Source,
477 		QHeaderView::ResizeMode::ResizeToContents);
478 	ui->tableView->horizontalHeader()->setMaximumSectionSize(width() / 3);
479 	ui->tableView->horizontalHeader()->setSectionResizeMode(
480 		MissingFilesColumn::State,
481 		QHeaderView::ResizeMode::ResizeToContents);
482 	ui->tableView->setEditTriggers(
483 		QAbstractItemView::EditTrigger::CurrentChanged);
484 
485 	ui->warningIcon->setPixmap(
486 		filesModel->warningIcon.pixmap(QSize(32, 32)));
487 
488 	for (size_t i = 0; i < obs_missing_files_count(files); i++) {
489 		obs_missing_file_t *f =
490 			obs_missing_files_get_file(files, (int)i);
491 
492 		const char *oldPath = obs_missing_file_get_path(f);
493 		const char *name = obs_missing_file_get_source_name(f);
494 
495 		addMissingFile(oldPath, name);
496 	}
497 
498 	QString found = QTStr("MissingFiles.NumFound");
499 	found.replace("$1", "0");
500 	found.replace("$2", QString::number(obs_missing_files_count(files)));
501 
502 	ui->found->setText(found);
503 
504 	fileStore = files;
505 
506 	connect(ui->doneButton, &QPushButton::clicked, this,
507 		&OBSMissingFiles::saveFiles);
508 	connect(ui->browseButton, &QPushButton::clicked, this,
509 		&OBSMissingFiles::browseFolders);
510 	connect(ui->cancelButton, &QPushButton::clicked, this,
511 		&OBSMissingFiles::close);
512 	connect(filesModel, SIGNAL(dataChanged(QModelIndex, QModelIndex)), this,
513 		SLOT(dataChanged()));
514 
515 	QModelIndex index = filesModel->createIndex(0, 1);
516 	QMetaObject::invokeMethod(ui->tableView, "setCurrentIndex",
517 				  Qt::QueuedConnection,
518 				  Q_ARG(const QModelIndex &, index));
519 }
520 
~OBSMissingFiles()521 OBSMissingFiles::~OBSMissingFiles()
522 {
523 	obs_missing_files_destroy(fileStore);
524 }
525 
addMissingFile(const char * originalPath,const char * sourceName)526 void OBSMissingFiles::addMissingFile(const char *originalPath,
527 				     const char *sourceName)
528 {
529 	QStringList list;
530 
531 	list.append(originalPath);
532 	list.append(sourceName);
533 
534 	QModelIndex insertIndex = filesModel->index(filesModel->rowCount() - 1,
535 						    MissingFilesColumn::Source);
536 
537 	filesModel->setData(insertIndex, list,
538 			    MissingFilesRole::NewPathsToProcessRole);
539 }
540 
saveFiles()541 void OBSMissingFiles::saveFiles()
542 {
543 	for (int i = 0; i < filesModel->files.length(); i++) {
544 		MissingFilesState state = filesModel->files[i].state;
545 		if (state != MissingFilesState::Missing) {
546 			obs_missing_file_t *f =
547 				obs_missing_files_get_file(fileStore, i);
548 
549 			QString path = filesModel->files[i].newPath;
550 
551 			if (state == MissingFilesState::Cleared) {
552 				obs_missing_file_issue_callback(f, "");
553 			} else {
554 				char *p = bstrdup(path.toStdString().c_str());
555 				obs_missing_file_issue_callback(f, p);
556 				bfree(p);
557 			}
558 		}
559 	}
560 
561 	QDialog::accept();
562 }
563 
browseFolders()564 void OBSMissingFiles::browseFolders()
565 {
566 	QString dir = QFileDialog::getExistingDirectory(
567 		this, QTStr("MissingFiles.SelectDir"), "",
568 		QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks);
569 
570 	if (dir != "") {
571 		dir += "/";
572 		filesModel->fileCheckLoop(filesModel->files, dir, true);
573 	}
574 }
575 
dataChanged()576 void OBSMissingFiles::dataChanged()
577 {
578 	QString found = QTStr("MissingFiles.NumFound");
579 	found.replace("$1", QString::number(filesModel->found()));
580 	found.replace("$2",
581 		      QString::number(obs_missing_files_count(fileStore)));
582 
583 	ui->found->setText(found);
584 
585 	ui->tableView->resizeColumnToContents(MissingFilesColumn::State);
586 	ui->tableView->resizeColumnToContents(MissingFilesColumn::Source);
587 }
588 
GetWarningIcon()589 QIcon OBSMissingFiles::GetWarningIcon()
590 {
591 	return filesModel->warningIcon;
592 }
593 
SetWarningIcon(const QIcon & icon)594 void OBSMissingFiles::SetWarningIcon(const QIcon &icon)
595 {
596 	ui->warningIcon->setPixmap(icon.pixmap(QSize(32, 32)));
597 	filesModel->warningIcon = icon;
598 }
599