-/*******************************************************************************
- * Copyright (C) 2008 by Konstantin Heil <konst.heil@stud.uni-heidelberg.de> *
- * *
- * 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 <konst.heil@stud.uni-heidelberg.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
#include "tooltipmanager.h"
-#include "filemetadatatooltip.h"
-#include <KIcon>
+#include "dolphinfilemetadatawidget.h"
+
#include <KIO/JobUiDelegate>
#include <KIO/PreviewJob>
+#include <KConfigGroup>
+#include <KJobWidgets>
+#include <KSharedConfig>
+#include <KToolTipWidget>
+#include <KIconLoader>
#include <QApplication>
#include <QDesktopWidget>
+#include <QIcon>
#include <QLayout>
-#include <QScrollArea>
-#include <QScrollBar>
#include <QStyle>
#include <QTimer>
+#include <QWindow>
+
+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),
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();
Q_ASSERT(!m_metaDataRequested);
}
-void ToolTipManager::hideToolTip()
+void ToolTipManager::hideToolTip(const HideBehavior behavior)
{
if (m_appliedWaitCursor) {
QApplication::restoreOverrideCursor();
m_metaDataRequested = false;
m_showToolTipTimer->stop();
m_contentRetrievalTimer->stop();
-
- if (m_fileMetaDataToolTip) {
- m_fileMetaDataToolTip->hide();
- // Do not delete the tool tip immediately to prevent crashes when
- // QCoreApplication tries to deliver an 'Enter' event to it, see bug 310579.
- m_fileMetaDataToolTip->deleteLater();
- m_fileMetaDataToolTip = 0;
+ if (m_tooltipWidget) {
+ switch (behavior) {
+ case HideBehavior::Instantly:
+ m_tooltipWidget->hide();
+ break;
+ case HideBehavior::Later:
+ m_tooltipWidget->hideLater();
+ break;
+ }
}
}
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 = new KIO::PreviewJob(KFileItemList() << m_item, QSize(256, 256));
- job->setIgnoreMaximumSize(m_item.isLocalFile());
- if (job->ui()) {
- job->ui()->setWindow(qApp->activeWindow());
- }
-
- 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);
}
if (pixmap.isNull()) {
previewFailed();
} else {
- m_fileMetaDataToolTip->setPreview(pixmap);
+ m_fileMetaDataWidget->setPreview(pixmap);
if (!m_showToolTipTimer->isActive()) {
showToolTip();
}
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();
}
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"