Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 1 | /*************************************************************************** |
Anthony LĂ©onard | 2fde81d | 2017-04-17 10:06:55 -0400 | [diff] [blame] | 2 | * Copyright (C) 2015-2017 by Savoir-faire Linux * |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 3 | * Author: Edric Ladent Milaret <edric.ladent-milaret@savoirfairelinux.com>* |
| 4 | * * |
| 5 | * This program is free software; you can redistribute it and/or modify * |
| 6 | * it under the terms of the GNU General Public License as published by * |
| 7 | * the Free Software Foundation; either version 3 of the License, or * |
| 8 | * (at your option) any later version. * |
| 9 | * * |
| 10 | * This program is distributed in the hope that it will be useful, * |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 13 | * GNU General Public License for more details. * |
| 14 | * * |
| 15 | * You should have received a copy of the GNU General Public License * |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. * |
| 17 | **************************************************************************/ |
| 18 | |
| 19 | #include "videoview.h" |
| 20 | #include "ui_videoview.h" |
| 21 | |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 22 | #include "video/devicemodel.h" |
| 23 | #include "video/sourcemodel.h" |
Edric Milaret | ed0b280 | 2015-10-01 15:10:02 -0400 | [diff] [blame] | 24 | #include "recentmodel.h" |
Edric Milaret | 0e1074d | 2015-12-08 12:08:52 -0500 | [diff] [blame] | 25 | #include "media/video.h" |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 26 | |
| 27 | #include <QGraphicsOpacityEffect> |
| 28 | #include <QPropertyAnimation> |
| 29 | #include <QDesktopWidget> |
| 30 | #include <QMenu> |
Edric Milaret | 303bbf1 | 2015-06-22 14:24:13 -0400 | [diff] [blame] | 31 | #include <QFileDialog> |
| 32 | #include <QMimeData> |
Nicolas Jager | e085451 | 2016-02-29 12:08:10 -0500 | [diff] [blame] | 33 | #include <QSplitter> |
Edric | b09982a | 2016-05-19 16:28:38 -0400 | [diff] [blame] | 34 | #include <QScreen> |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 35 | |
| 36 | #include <memory> |
| 37 | |
| 38 | #include "videooverlay.h" |
| 39 | #include "selectareadialog.h" |
| 40 | |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 41 | VideoView::VideoView(QWidget* parent) : |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 42 | QWidget(parent), |
| 43 | ui(new Ui::VideoView) |
| 44 | { |
| 45 | ui->setupUi(this); |
| 46 | |
Edric Milaret | a3e4728 | 2015-10-23 15:20:30 -0400 | [diff] [blame] | 47 | connect(&CallModel::instance(), SIGNAL(callStateChanged(Call*, Call::State)), |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 48 | this, SLOT(callStateChanged(Call*, Call::State))); |
| 49 | |
| 50 | overlay_ = new VideoOverlay(this); |
| 51 | auto effect = new QGraphicsOpacityEffect(overlay_); |
| 52 | effect->setOpacity(1.0); |
| 53 | overlay_->setGraphicsEffect(effect); |
| 54 | fadeAnim_ = new QPropertyAnimation(this); |
| 55 | fadeAnim_->setTargetObject(effect); |
| 56 | fadeAnim_->setPropertyName("opacity"); |
| 57 | fadeAnim_->setDuration(fadeOverlayTime_); |
| 58 | fadeAnim_->setStartValue(effect->opacity()); |
| 59 | fadeAnim_->setEndValue(0); |
| 60 | fadeAnim_->setEasingCurve(QEasingCurve::OutQuad); |
| 61 | |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 62 | this->setContextMenuPolicy(Qt::CustomContextMenu); |
| 63 | connect(this, SIGNAL(customContextMenuRequested(const QPoint&)), |
| 64 | this, SLOT(showContextMenu(const QPoint&))); |
Edric Milaret | 3aca8e3 | 2015-06-12 10:01:40 -0400 | [diff] [blame] | 65 | connect(overlay_, &VideoOverlay::setChatVisibility, [=](bool visible) { |
| 66 | emit this->setChatVisibility(visible); |
| 67 | }); |
Olivier SOLDANO | 2bcdfd7 | 2017-05-02 14:37:19 -0400 | [diff] [blame] | 68 | connect(overlay_, &VideoOverlay::videoCfgBtnClicked, [=](){emit videoSettingsClicked();}); |
| 69 | connect(overlay_, &VideoOverlay::videoBackBtnClicked, [=](){emit videoBackClicked();}); |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 70 | } |
| 71 | |
| 72 | VideoView::~VideoView() |
| 73 | { |
| 74 | delete ui; |
Edric Milaret | 01f2384 | 2015-06-22 14:46:01 -0400 | [diff] [blame] | 75 | delete overlay_; |
Edric Milaret | 01f2384 | 2015-06-22 14:46:01 -0400 | [diff] [blame] | 76 | delete fadeAnim_; |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | void |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 80 | VideoView::resizeEvent(QResizeEvent* event) |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 81 | { |
Nicolas Jager | c7b8e4b | 2016-02-29 09:20:40 -0500 | [diff] [blame] | 82 | QRect& previewRect = ui->videoWidget->getPreviewRect(); |
| 83 | int deltaW = event->size().width() - event->oldSize().width(); |
| 84 | int deltaH = event->size().height() - event->oldSize().height(); |
| 85 | |
| 86 | QPoint previewCenter = ui->videoWidget->getPreviewRect().center(); |
Edric | b09982a | 2016-05-19 16:28:38 -0400 | [diff] [blame] | 87 | int cx = (event->oldSize().width()) / 2; |
| 88 | int cy = (event->oldSize().height()) / 2; |
Nicolas Jager | c7b8e4b | 2016-02-29 09:20:40 -0500 | [diff] [blame] | 89 | QPoint center = QPoint(cx, cy); |
| 90 | |
| 91 | // first we check if we want to displace the preview |
| 92 | if (previewRect.x() + deltaW > 0 && previewRect.y() + deltaH > 0) { |
| 93 | // then we check which way |
| 94 | if (center.x() - previewCenter.x() < 0 && center.y() - previewCenter.y() < 0) |
| 95 | ui->videoWidget->getPreviewRect().translate(deltaW, deltaH); |
| 96 | else if (center.x() - previewCenter.x() > 0 && center.y() - previewCenter.y() < 0) |
| 97 | ui->videoWidget->getPreviewRect().translate(0, deltaH); |
| 98 | else if (center.x() - previewCenter.x() < 0 && center.y() - previewCenter.y() > 0) |
| 99 | ui->videoWidget->getPreviewRect().translate(deltaW, 0); |
| 100 | } |
| 101 | |
| 102 | if (previewRect.left() <= 0) |
| 103 | previewRect.moveLeft(1); |
| 104 | |
| 105 | if (previewRect.right() >= width()) |
| 106 | previewRect.moveRight(width() - 1); |
| 107 | |
| 108 | if (previewRect.top() <= 0) |
| 109 | previewRect.moveTop(1); |
| 110 | |
| 111 | if (previewRect.bottom() >= height()) |
| 112 | previewRect.moveBottom(height() - 1); |
| 113 | |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 114 | overlay_->resize(this->size()); |
| 115 | overlay_->show(); |
| 116 | overlay_->raise(); |
| 117 | } |
| 118 | |
| 119 | void |
| 120 | VideoView::enterEvent(QEvent* event) |
| 121 | { |
| 122 | Q_UNUSED(event) |
| 123 | fadeAnim_->stop(); |
| 124 | fadeAnim_->targetObject()->setProperty(fadeAnim_->propertyName(), fadeAnim_->startValue()); |
| 125 | } |
| 126 | |
| 127 | void |
| 128 | VideoView::leaveEvent(QEvent* event) |
| 129 | { |
| 130 | Q_UNUSED(event) |
Nicolas Jager | 0a9fc60 | 2016-03-11 18:35:42 -0500 | [diff] [blame] | 131 | if(not overlay_->isDialogVisible()) |
| 132 | fadeAnim_->start(QAbstractAnimation::KeepWhenStopped); |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 133 | } |
| 134 | |
| 135 | void |
| 136 | VideoView::callStateChanged(Call* call, Call::State previousState) |
| 137 | { |
| 138 | Q_UNUSED(previousState) |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 139 | |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 140 | if (call->state() == Call::State::CURRENT) { |
| 141 | ui->videoWidget->show(); |
Edric Milaret | ed0b280 | 2015-10-01 15:10:02 -0400 | [diff] [blame] | 142 | timerConnection_ = connect(call, SIGNAL(changed()), this, SLOT(updateCall())); |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 143 | } |
| 144 | else { |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 145 | QObject::disconnect(timerConnection_); |
Edric Milaret | 3aca8e3 | 2015-06-12 10:01:40 -0400 | [diff] [blame] | 146 | emit setChatVisibility(false); |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 147 | if (isFullScreen()) |
| 148 | toggleFullScreen(); |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 149 | } |
| 150 | } |
| 151 | |
| 152 | void |
Edric Milaret | ed0b280 | 2015-10-01 15:10:02 -0400 | [diff] [blame] | 153 | VideoView::updateCall() |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 154 | { |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 155 | if (auto call = CallModel::instance().selectedCall()) { |
| 156 | overlay_->setName(call->formattedName()); |
| 157 | overlay_->setTime(call->length()); |
| 158 | } |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 159 | } |
| 160 | |
| 161 | void |
| 162 | VideoView::mouseDoubleClickEvent(QMouseEvent* e) { |
| 163 | QWidget::mouseDoubleClickEvent(e); |
| 164 | toggleFullScreen(); |
| 165 | } |
| 166 | |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 167 | void |
| 168 | VideoView::dragEnterEvent(QDragEnterEvent* event) |
Edric Milaret | 303bbf1 | 2015-06-22 14:24:13 -0400 | [diff] [blame] | 169 | { |
| 170 | if (event->mimeData()->hasUrls()) |
| 171 | event->acceptProposedAction(); |
| 172 | } |
| 173 | |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 174 | void |
| 175 | VideoView::dropEvent(QDropEvent* event) |
Edric Milaret | 303bbf1 | 2015-06-22 14:24:13 -0400 | [diff] [blame] | 176 | { |
| 177 | auto urls = event->mimeData()->urls(); |
Edric Milaret | 0e1074d | 2015-12-08 12:08:52 -0500 | [diff] [blame] | 178 | if (auto call = CallModel::instance().selectedCall()) { |
| 179 | if (auto outVideo = call->firstMedia<Media::Video>(Media::Media::Direction::OUT)) { |
| 180 | outVideo->sourceModel()->setFile(urls.at(0)); |
| 181 | } |
| 182 | } |
Edric Milaret | 303bbf1 | 2015-06-22 14:24:13 -0400 | [diff] [blame] | 183 | } |
| 184 | |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 185 | void |
| 186 | VideoView::toggleFullScreen() |
| 187 | { |
| 188 | if(isFullScreen()) { |
Nicolas Jager | e085451 | 2016-02-29 12:08:10 -0500 | [diff] [blame] | 189 | dynamic_cast<QSplitter*>(oldParent_)->insertWidget(0,this); |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 190 | this->resize(oldSize_.width(), oldSize_.height()); |
Edric Milaret | 58f5762 | 2015-12-09 09:57:15 -0500 | [diff] [blame] | 191 | this->showNormal(); |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 192 | } else { |
| 193 | oldSize_ = this->size(); |
| 194 | oldParent_ = static_cast<QWidget*>(this->parent()); |
| 195 | this->setParent(0); |
| 196 | this->showFullScreen(); |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 197 | } |
Nicolas Jager | c7b8e4b | 2016-02-29 09:20:40 -0500 | [diff] [blame] | 198 | ui->videoWidget->setResetPreview(true); |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 199 | } |
| 200 | |
| 201 | void |
| 202 | VideoView::showContextMenu(const QPoint& pos) |
| 203 | { |
| 204 | QPoint globalPos = this->mapToGlobal(pos); |
| 205 | |
| 206 | QMenu menu; |
Edric Milaret | c4b1a10 | 2016-02-02 11:48:30 -0500 | [diff] [blame] | 207 | Media::Video* outVideo = nullptr; |
| 208 | int activeIndex = -1; |
| 209 | |
| 210 | if (auto call = CallModel::instance().selectedCall()) { |
| 211 | outVideo = call->firstMedia<Media::Video>(Media::Media::Direction::OUT); |
| 212 | if (outVideo) |
| 213 | activeIndex = outVideo->sourceModel()->activeIndex(); |
| 214 | } |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 215 | |
Edric Milaret | a3e4728 | 2015-10-23 15:20:30 -0400 | [diff] [blame] | 216 | for (auto device : Video::DeviceModel::instance().devices()) { |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 217 | std::unique_ptr<QAction> deviceAction(new QAction(device->name(), this)); |
| 218 | deviceAction->setCheckable(true); |
Edric Milaret | c4b1a10 | 2016-02-02 11:48:30 -0500 | [diff] [blame] | 219 | if (outVideo) |
| 220 | if (outVideo->sourceModel()->getDeviceIndex(device) == activeIndex) |
| 221 | deviceAction->setChecked(true); |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 222 | auto ptr = deviceAction.release(); |
| 223 | menu.addAction(ptr); |
| 224 | connect(ptr, &QAction::toggled, [=](bool checked) { |
| 225 | if (checked == true) { |
Edric Milaret | c4b1a10 | 2016-02-02 11:48:30 -0500 | [diff] [blame] | 226 | if (outVideo) |
| 227 | outVideo->sourceModel()->switchTo(device); |
Edric Milaret | a3e4728 | 2015-10-23 15:20:30 -0400 | [diff] [blame] | 228 | Video::DeviceModel::instance().setActive(device); |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 229 | } |
| 230 | }); |
| 231 | } |
| 232 | |
| 233 | menu.addSeparator(); |
| 234 | |
Edric Milaret | 53ac6e5 | 2015-09-14 13:37:06 -0400 | [diff] [blame] | 235 | auto shareAction = new QAction(tr("Share entire screen"), this); |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 236 | menu.addAction(shareAction); |
Edric Milaret | c4b1a10 | 2016-02-02 11:48:30 -0500 | [diff] [blame] | 237 | shareAction->setCheckable(true); |
Edric Milaret | 53ac6e5 | 2015-09-14 13:37:06 -0400 | [diff] [blame] | 238 | auto shareAreaAction = new QAction(tr("Share screen area"), this); |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 239 | menu.addAction(shareAreaAction); |
Edric Milaret | c4b1a10 | 2016-02-02 11:48:30 -0500 | [diff] [blame] | 240 | shareAreaAction->setCheckable(true); |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 241 | connect(shareAreaAction, &QAction::triggered, [=]() { |
| 242 | SelectAreaDialog selec; |
| 243 | selec.exec(); |
| 244 | }); |
Edric Milaret | 53ac6e5 | 2015-09-14 13:37:06 -0400 | [diff] [blame] | 245 | auto shareFileAction = new QAction(tr("Share file"), this); |
Edric Milaret | 303bbf1 | 2015-06-22 14:24:13 -0400 | [diff] [blame] | 246 | menu.addAction(shareFileAction); |
Edric Milaret | c4b1a10 | 2016-02-02 11:48:30 -0500 | [diff] [blame] | 247 | shareFileAction->setCheckable(true); |
| 248 | |
| 249 | switch(activeIndex) { |
| 250 | |
| 251 | case Video::SourceModel::ExtendedDeviceList::SCREEN: |
| 252 | shareAction->setChecked(true); |
| 253 | break; |
| 254 | case Video::SourceModel::ExtendedDeviceList::FILE: |
| 255 | shareFileAction->setChecked(true); |
| 256 | break; |
| 257 | |
| 258 | } |
| 259 | |
| 260 | connect(shareAction, &QAction::triggered, [=]() { |
Edric | b09982a | 2016-05-19 16:28:38 -0400 | [diff] [blame] | 261 | if (outVideo) { |
| 262 | auto realRect = QApplication::desktop()->geometry(); |
| 263 | realRect.setWidth(static_cast<int>(realRect.width() * QApplication::primaryScreen()->devicePixelRatio())); |
| 264 | realRect.setHeight(static_cast<int>(realRect.height() * QApplication::primaryScreen()->devicePixelRatio())); |
| 265 | outVideo->sourceModel()->setDisplay(0, realRect); |
| 266 | } |
Edric Milaret | c4b1a10 | 2016-02-02 11:48:30 -0500 | [diff] [blame] | 267 | }); |
Edric Milaret | 303bbf1 | 2015-06-22 14:24:13 -0400 | [diff] [blame] | 268 | connect(shareFileAction, &QAction::triggered, [=]() { |
| 269 | QFileDialog dialog(this); |
| 270 | dialog.setFileMode(QFileDialog::AnyFile); |
| 271 | QStringList fileNames; |
| 272 | if (!dialog.exec()) |
| 273 | return; |
| 274 | fileNames = dialog.selectedFiles(); |
Edric Milaret | c4b1a10 | 2016-02-02 11:48:30 -0500 | [diff] [blame] | 275 | if (outVideo) |
| 276 | outVideo->sourceModel()->setFile(QUrl::fromLocalFile(fileNames.at(0))); |
Edric Milaret | 303bbf1 | 2015-06-22 14:24:13 -0400 | [diff] [blame] | 277 | }); |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame] | 278 | |
| 279 | menu.exec(globalPos); |
| 280 | } |
| 281 | |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 282 | void |
| 283 | VideoView::pushRenderer(Call* call) { |
| 284 | if (not call) { |
| 285 | disconnect(videoStartedConnection_); |
| 286 | return; |
| 287 | } |
| 288 | if (auto renderer = call->videoRenderer()) { |
| 289 | slotVideoStarted(renderer); |
| 290 | } else { |
| 291 | disconnect(videoStartedConnection_); |
| 292 | videoStartedConnection_ = connect(call, |
| 293 | SIGNAL(videoStarted(Video::Renderer*)), |
| 294 | this, |
| 295 | SLOT(slotVideoStarted(Video::Renderer*))); |
| 296 | } |
| 297 | ui->videoWidget->setPreviewDisplay(call->type() != Call::Type::CONFERENCE); |
| 298 | } |
| 299 | |
| 300 | void |
| 301 | VideoView::slotVideoStarted(Video::Renderer* renderer) { |
| 302 | ui->videoWidget->show(); |
| 303 | ui->videoWidget->setDistantRenderer(renderer); |
| 304 | } |
Nicolas Jager | c7b8e4b | 2016-02-29 09:20:40 -0500 | [diff] [blame] | 305 | |
| 306 | void |
| 307 | VideoView::mousePressEvent(QMouseEvent* event) |
| 308 | { |
| 309 | QPoint clickPosition = event->pos(); |
| 310 | if (ui->videoWidget->getPreviewRect().contains(clickPosition)) { |
| 311 | QLine distance = QLine(clickPosition, ui->videoWidget->getPreviewRect().bottomRight()); |
| 312 | if (distance.dy() < resizeGrip_ and distance.dx() < resizeGrip_) { |
| 313 | QApplication::setOverrideCursor(Qt::SizeFDiagCursor); |
| 314 | resizingPreview_ = true; |
| 315 | } else { |
| 316 | originMouseDisplacement_ = event->pos() - ui->videoWidget->getPreviewRect().topLeft(); |
| 317 | QApplication::setOverrideCursor(Qt::SizeAllCursor); |
| 318 | draggingPreview_ = true; |
| 319 | } |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | void |
| 324 | VideoView::mouseReleaseEvent(QMouseEvent* event) |
| 325 | { |
Edric Milaret | 6a785af | 2016-03-07 15:39:30 -0500 | [diff] [blame] | 326 | Q_UNUSED(event) |
| 327 | |
Nicolas Jager | c7b8e4b | 2016-02-29 09:20:40 -0500 | [diff] [blame] | 328 | draggingPreview_ = false; |
| 329 | resizingPreview_ = false; |
| 330 | QApplication::setOverrideCursor(Qt::ArrowCursor); |
| 331 | } |
| 332 | |
| 333 | void |
| 334 | VideoView::mouseMoveEvent(QMouseEvent* event) |
| 335 | { |
| 336 | QRect& previewRect = ui->videoWidget->getPreviewRect(); |
| 337 | if (draggingPreview_) { |
| 338 | if (previewRect.left() > 0 |
| 339 | && previewRect.top() > 0 |
| 340 | && previewRect.right() < width() |
| 341 | && previewRect.bottom() < height()) { |
| 342 | |
| 343 | previewRect.moveTo(event->pos() - originMouseDisplacement_); |
| 344 | if (previewRect.left() <= 0) |
| 345 | previewRect.moveLeft(1); |
| 346 | |
| 347 | if (previewRect.right() >= width()) |
| 348 | previewRect.moveRight(width() - 1); |
| 349 | |
| 350 | if (previewRect.top() <= 0) |
| 351 | previewRect.moveTop(1); |
| 352 | |
| 353 | if (previewRect.bottom() >= height()) |
| 354 | previewRect.moveBottom(height() - 1); |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | QLine distance = QLine(previewRect.topLeft(), event->pos()); |
| 359 | |
| 360 | if (resizingPreview_ |
| 361 | and distance.dx() > minimalSize_ |
| 362 | and distance.dy() > minimalSize_ |
| 363 | and geometry().contains(event->pos())) |
| 364 | previewRect.setBottomRight(event->pos()); |
| 365 | } |