X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/4de262196a47f6baf64bdb054f02c52aae979e8b..64ffcdad4ff60e1f0b443c00229e6aacf523c72f:/src/views/tooltips/tooltipmanager.cpp diff --git a/src/views/tooltips/tooltipmanager.cpp b/src/views/tooltips/tooltipmanager.cpp index 3c262b749..637261702 100644 --- a/src/views/tooltips/tooltipmanager.cpp +++ b/src/views/tooltips/tooltipmanager.cpp @@ -1,41 +1,43 @@ -/******************************************************************************* - * 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_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), @@ -44,44 +46,48 @@ ToolTipManager::ToolTipManager(QWidget* parent) : m_itemRect() { if (parent) { - m_margin = qMax(m_margin, parent->style()->pixelMetric(QStyle::PM_ToolTipLabelFrameWidth)); + m_margin = qMax(m_margin, parent->style()->pixelMetric(QStyle::PM_ToolTipLabelFrameWidth)); } - + 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()); } ToolTipManager::~ToolTipManager() { - delete m_fileMetaDataToolTip; - m_fileMetaDataToolTip = 0; + if (!m_fileMetaDatWidgetOwnershipTransferred) { + delete m_fileMetaDataWidget; + } } -void ToolTipManager::showToolTip(const KFileItem& item, const QRectF& itemRect) +void ToolTipManager::showToolTip(const KFileItem& item, const QRectF& itemRect, QWindow *transientParent) { - hideToolTip(); + 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. - Q_ASSERT(!m_fileMetaDataToolTip); - m_fileMetaDataToolTip = new FileMetaDataToolTip(); - connect(m_fileMetaDataToolTip, SIGNAL(metaDataRequestFinished(KFileItemList)), - this, SLOT(slotMetaDataRequestFinished())); + 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(); @@ -89,7 +95,7 @@ void ToolTipManager::showToolTip(const KFileItem& item, const QRectF& itemRect) Q_ASSERT(!m_metaDataRequested); } -void ToolTipManager::hideToolTip() +void ToolTipManager::hideToolTip(const HideBehavior behavior) { if (m_appliedWaitCursor) { QApplication::restoreOverrideCursor(); @@ -100,11 +106,15 @@ void ToolTipManager::hideToolTip() m_metaDataRequested = false; m_showToolTipTimer->stop(); m_contentRetrievalTimer->stop(); - - if (m_fileMetaDataToolTip) { - m_fileMetaDataToolTip->hide(); - delete m_fileMetaDataToolTip; - m_fileMetaDataToolTip = 0; + if (m_tooltipWidget) { + switch (behavior) { + case HideBehavior::Instantly: + m_tooltipWidget->hide(); + break; + case HideBehavior::Later: + m_tooltipWidget->hideLater(); + break; + } } } @@ -114,24 +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); } @@ -146,7 +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(); } @@ -158,9 +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(); } @@ -187,76 +210,22 @@ void ToolTipManager::showToolTip() m_appliedWaitCursor = false; } - 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()); - } - 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 bool hasRoomToLeft = (m_itemRect.left() - size.width() - m_margin >= screen.left()); - const bool hasRoomToRight = (m_itemRect.right() + size.width() + m_margin <= screen.right()); - const bool hasRoomAbove = (m_itemRect.top() - size.height() - m_margin >= screen.top()); - const bool hasRoomBelow = (m_itemRect.bottom() + size.height() + m_margin <= screen.bottom()); - if (!hasRoomAbove && !hasRoomBelow && !hasRoomToLeft && !hasRoomToRight) { - return; + // Adjust the size to get a proper sizeHint() + m_fileMetaDataWidget->adjustSize(); + if (!m_tooltipWidget) { + m_tooltipWidget.reset(new KToolTipWidget()); } - - 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() + m_margin; - } else { - y = m_itemRect.top() - size.height() - m_margin; - } - } else { - Q_ASSERT(hasRoomToLeft || hasRoomToRight); - if (hasRoomToRight) { - x = m_itemRect.right() + m_margin; - } else { - x = m_itemRect.left() - size.width() - m_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"