X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/08d655c2bc107449ee322f8b826710b7e690950b..64ffcdad4ff60e1f0b443c00229e6aacf523c72f:/src/views/tooltips/tooltipmanager.cpp diff --git a/src/views/tooltips/tooltipmanager.cpp b/src/views/tooltips/tooltipmanager.cpp index 8f18dbde4..637261702 100644 --- a/src/views/tooltips/tooltipmanager.cpp +++ b/src/views/tooltips/tooltipmanager.cpp @@ -1,85 +1,101 @@ -/******************************************************************************* - * Copyright (C) 2008 by Konstantin Heil * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * - *******************************************************************************/ +/* + * SPDX-FileCopyrightText: 2008 Konstantin Heil + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ #include "tooltipmanager.h" -#include "filemetadatatooltip.h" -#include +#include "dolphinfilemetadatawidget.h" + +#include #include +#include +#include #include +#include +#include #include #include +#include #include -#include -#include +#include #include +#include + +class IconLoaderSingleton { +public: + IconLoaderSingleton() = default; + + KIconLoader self; +}; + +Q_GLOBAL_STATIC(IconLoaderSingleton, iconLoader) ToolTipManager::ToolTipManager(QWidget* parent) : QObject(parent), - m_view(parent), - m_showToolTipTimer(0), - m_contentRetrievalTimer(0), - m_fileMetaDataToolTip(0), + m_showToolTipTimer(nullptr), + m_contentRetrievalTimer(nullptr), + m_transientParent(nullptr), m_toolTipRequested(false), m_metaDataRequested(false), m_appliedWaitCursor(false), + m_margin(4), m_item(), m_itemRect() { - //m_dolphinModel = static_cast(m_proxyModel->sourceModel()); - //connect(parent, SIGNAL(entered(QModelIndex)), - // this, SLOT(requestToolTip(QModelIndex))); - //connect(parent, SIGNAL(viewportEntered()), - // this, SLOT(hideToolTip())); + if (parent) { + m_margin = qMax(m_margin, parent->style()->pixelMetric(QStyle::PM_ToolTipLabelFrameWidth)); + } - // Initialize timers m_showToolTipTimer = new QTimer(this); m_showToolTipTimer->setSingleShot(true); m_showToolTipTimer->setInterval(500); - connect(m_showToolTipTimer, SIGNAL(timeout()), this, SLOT(showToolTip())); + connect(m_showToolTipTimer, &QTimer::timeout, this, QOverload<>::of(&ToolTipManager::showToolTip)); m_contentRetrievalTimer = new QTimer(this); m_contentRetrievalTimer->setSingleShot(true); m_contentRetrievalTimer->setInterval(200); - connect(m_contentRetrievalTimer, SIGNAL(timeout()), this, SLOT(startContentRetrieval())); + connect(m_contentRetrievalTimer, &QTimer::timeout, this, &ToolTipManager::startContentRetrieval); Q_ASSERT(m_contentRetrievalTimer->interval() < m_showToolTipTimer->interval()); - - // When the mousewheel is used, the items don't get a hovered indication - // (Qt-issue #200665). To assure that the tooltip still gets hidden, - // the scrollbars are observed. - /*connect(parent->horizontalScrollBar(), SIGNAL(valueChanged(int)), - this, SLOT(hideToolTip())); - connect(parent->verticalScrollBar(), SIGNAL(valueChanged(int)), - this, SLOT(hideToolTip()));*/ - - Q_ASSERT(m_view); - //m_view->viewport()->installEventFilter(this); - //m_view->installEventFilter(this); } ToolTipManager::~ToolTipManager() { + if (!m_fileMetaDatWidgetOwnershipTransferred) { + delete m_fileMetaDataWidget; + } } -void ToolTipManager::hideToolTip() +void ToolTipManager::showToolTip(const KFileItem& item, const QRectF& itemRect, QWindow *transientParent) +{ + hideToolTip(HideBehavior::Instantly); + + m_itemRect = itemRect.toRect(); + + m_itemRect.adjust(-m_margin, -m_margin, m_margin, m_margin); + m_item = item; + + m_transientParent = transientParent; + + // Only start the retrieving of the content, when the mouse has been over this + // item for 200 milliseconds. This prevents a lot of useless preview jobs and + // meta data retrieval, when passing rapidly over a lot of items. + if (!m_fileMetaDataWidget) { + m_fileMetaDataWidget = new DolphinFileMetaDataWidget(); + connect(m_fileMetaDataWidget, &DolphinFileMetaDataWidget::metaDataRequestFinished, this, &ToolTipManager::slotMetaDataRequestFinished); + connect(m_fileMetaDataWidget, &DolphinFileMetaDataWidget::urlActivated, this, &ToolTipManager::urlActivated); + } + + m_contentRetrievalTimer->start(); + m_showToolTipTimer->start(); + m_toolTipRequested = true; + Q_ASSERT(!m_metaDataRequested); +} + +void ToolTipManager::hideToolTip(const HideBehavior behavior) { if (m_appliedWaitCursor) { QApplication::restoreOverrideCursor(); @@ -90,57 +106,15 @@ void ToolTipManager::hideToolTip() m_metaDataRequested = false; m_showToolTipTimer->stop(); m_contentRetrievalTimer->stop(); - - delete m_fileMetaDataToolTip; - m_fileMetaDataToolTip = 0; -} - - -bool ToolTipManager::eventFilter(QObject* watched, QEvent* event) -{ - /*if (watched == m_view->viewport()) { - switch (event->type()) { - case QEvent::Leave: - case QEvent::MouseButtonPress: - hideToolTip(); + if (m_tooltipWidget) { + switch (behavior) { + case HideBehavior::Instantly: + m_tooltipWidget->hide(); break; - default: + case HideBehavior::Later: + m_tooltipWidget->hideLater(); break; } - } else if ((watched == m_view) && (event->type() == QEvent::KeyPress)) { - hideToolTip(); - }*/ - - return QObject::eventFilter(watched, event); -} - -void ToolTipManager::requestToolTip(const QModelIndex& index) -{ - Q_UNUSED(index); - hideToolTip(); - - // Only request a tooltip for the name column and when no selection or - // drag & drop operation is done (indicated by the left mouse button) - if (!(QApplication::mouseButtons() & Qt::LeftButton)) { - m_itemRect = QRect(); //m_view->visualRect(index); - const QPoint pos; // = m_view->viewport()->mapToGlobal(m_itemRect.topLeft()); - m_itemRect.moveTo(pos); - - //const QModelIndex dirIndex = m_proxyModel->mapToSource(index); - //m_item = m_dolphinModel->itemForIndex(dirIndex); - - // Only start the retrieving of the content, when the mouse has been over this - // item for 200 milliseconds. This prevents a lot of useless preview jobs and - // meta data retrieval, when passing rapidly over a lot of items. - Q_ASSERT(!m_fileMetaDataToolTip); - m_fileMetaDataToolTip = new FileMetaDataToolTip(m_view); - connect(m_fileMetaDataToolTip, SIGNAL(metaDataRequestFinished(KFileItemList)), - this, SLOT(slotMetaDataRequestFinished())); - - m_contentRetrievalTimer->start(); - m_showToolTipTimer->start(); - m_toolTipRequested = true; - Q_ASSERT(!m_metaDataRequested); } } @@ -150,24 +124,32 @@ void ToolTipManager::startContentRetrieval() return; } - m_fileMetaDataToolTip->setName(m_item.text()); + m_fileMetaDataWidget->setName(m_item.text()); // Request the retrieval of meta-data. The slot // slotMetaDataRequestFinished() is invoked after the // meta-data have been received. m_metaDataRequested = true; - m_fileMetaDataToolTip->setItems(KFileItemList() << m_item); - m_fileMetaDataToolTip->adjustSize(); + m_fileMetaDataWidget->setItems(KFileItemList() << m_item); + m_fileMetaDataWidget->adjustSize(); // Request a preview of the item - m_fileMetaDataToolTip->setPreview(QPixmap()); - - KIO::PreviewJob* job = KIO::filePreview(KFileItemList() << m_item, QSize(256, 256)); - - connect(job, SIGNAL(gotPreview(KFileItem,QPixmap)), - this, SLOT(setPreviewPix(KFileItem,QPixmap))); - connect(job, SIGNAL(failed(KFileItem)), - this, SLOT(previewFailed())); + m_fileMetaDataWidget->setPreview(QPixmap()); + + const KConfigGroup globalConfig(KSharedConfig::openConfig(), "PreviewSettings"); + const QStringList plugins = globalConfig.readEntry("Plugins", KIO::PreviewJob::defaultPlugins()); + KIO::PreviewJob* job = new KIO::PreviewJob(KFileItemList() << m_item, + QSize(256, 256), + &plugins); + job->setIgnoreMaximumSize(m_item.isLocalFile() && !m_item.isSlow()); + if (job->uiDelegate()) { + KJobWidgets::setWindow(job, qApp->activeWindow()); + } + + connect(job, &KIO::PreviewJob::gotPreview, + this, &ToolTipManager::setPreviewPix); + connect(job, &KIO::PreviewJob::failed, + this, &ToolTipManager::previewFailed); } @@ -182,7 +164,7 @@ void ToolTipManager::setPreviewPix(const KFileItem& item, if (pixmap.isNull()) { previewFailed(); } else { - m_fileMetaDataToolTip->setPreview(pixmap); + m_fileMetaDataWidget->setPreview(pixmap); if (!m_showToolTipTimer->isActive()) { showToolTip(); } @@ -194,9 +176,14 @@ void ToolTipManager::previewFailed() if (!m_toolTipRequested) { return; } - - const QPixmap pixmap = KIcon(m_item.iconName()).pixmap(128, 128); - m_fileMetaDataToolTip->setPreview(pixmap); + QPalette pal; + for (auto state : { QPalette::Active, QPalette::Inactive, QPalette::Disabled }) { + pal.setBrush(state, QPalette::WindowText, pal.toolTipText()); + pal.setBrush(state, QPalette::Window, pal.toolTipBase()); + } + iconLoader->self.setCustomPalette(pal); + const QPixmap pixmap = KDE::icon(m_item.iconName(), &iconLoader->self).pixmap(128, 128); + m_fileMetaDataWidget->setPreview(pixmap); if (!m_showToolTipTimer->isActive()) { showToolTip(); } @@ -223,81 +210,22 @@ void ToolTipManager::showToolTip() m_appliedWaitCursor = false; } - if (QApplication::mouseButtons() & Qt::LeftButton) { - return; - } - - if (m_fileMetaDataToolTip->preview().isNull() || m_metaDataRequested) { + if (m_fileMetaDataWidget->preview().isNull() || m_metaDataRequested) { Q_ASSERT(!m_appliedWaitCursor); QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); m_appliedWaitCursor = true; return; } - const QRect screen = QApplication::desktop()->screenGeometry(QCursor::pos()); - - // Restrict tooltip size to current screen size when needed. - // Because layout controlling widget doesn't respect widget's maximumSize property - // (correct me if I'm wrong), we need to let layout do its work, then manually change - // geometry if resulting widget doesn't fit the screen. - - // Step #1 - make sizeHint return calculated tooltip size - m_fileMetaDataToolTip->layout()->setSizeConstraint(QLayout::SetFixedSize); - m_fileMetaDataToolTip->adjustSize(); - QSize size = m_fileMetaDataToolTip->sizeHint(); - - // Step #2 - correct tooltip size when needed - if (size.width() > screen.width()) { - size.setWidth(screen.width()); + // Adjust the size to get a proper sizeHint() + m_fileMetaDataWidget->adjustSize(); + if (!m_tooltipWidget) { + m_tooltipWidget.reset(new KToolTipWidget()); } - if (size.height() > screen.height()) { - size.setHeight(screen.height()); - } - - // m_itemRect defines the area of the item, where the tooltip should be - // shown. Per default the tooltip is shown centered at the bottom. - // It must be assured that: - // - the content is fully visible - // - the content is not drawn inside m_itemRect - const int margin = 3; - const bool hasRoomToLeft = (m_itemRect.left() - size.width() - margin >= screen.left()); - const bool hasRoomToRight = (m_itemRect.right() + size.width() + margin <= screen.right()); - const bool hasRoomAbove = (m_itemRect.top() - size.height() - margin >= screen.top()); - const bool hasRoomBelow = (m_itemRect.bottom() + size.height() + margin <= screen.bottom()); - if (!hasRoomAbove && !hasRoomBelow && !hasRoomToLeft && !hasRoomToRight) { - return; - } - - int x, y; - if (hasRoomBelow || hasRoomAbove) { - x = qMax(screen.left(), m_itemRect.center().x() - size.width() / 2); - if (x + size.width() >= screen.right()) { - x = screen.right() - size.width() + 1; - } - if (hasRoomBelow) { - y = m_itemRect.bottom() + margin; - } else { - y = m_itemRect.top() - size.height() - margin; - } - } else { - Q_ASSERT(hasRoomToLeft || hasRoomToRight); - if (hasRoomToRight) { - x = m_itemRect.right() + margin; - } else { - x = m_itemRect.left() - size.width() - margin; - } - // Put the tooltip at the bottom of the screen. The x-coordinate has already - // been adjusted, so that no overlapping with m_itemRect occurs. - y = screen.bottom() - size.height() + 1; - } - - // Step #3 - Alter tooltip geometry - m_fileMetaDataToolTip->setFixedSize(size); - m_fileMetaDataToolTip->layout()->setSizeConstraint(QLayout::SetNoConstraint); - m_fileMetaDataToolTip->move(QPoint(x, y)); - m_fileMetaDataToolTip->show(); + m_tooltipWidget->showBelow(m_itemRect, m_fileMetaDataWidget, m_transientParent); + // At this point KToolTipWidget adopted our parent-less metadata widget. + m_fileMetaDatWidgetOwnershipTransferred = true; m_toolTipRequested = false; } -#include "tooltipmanager.moc"