X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/31ee4085c2b2c374158fb956ac376399ff375b5a..9f233850beb60168e8773623e0b5ae052c5287e9:/src/statusbar/statusbarspaceinfo.cpp diff --git a/src/statusbar/statusbarspaceinfo.cpp b/src/statusbar/statusbarspaceinfo.cpp index 61b28334a..4fb1f311e 100644 --- a/src/statusbar/statusbarspaceinfo.cpp +++ b/src/statusbar/statusbarspaceinfo.cpp @@ -1,109 +1,149 @@ -/*************************************************************************** - * Copyright (C) 2006 by Peter Penz (peter.penz@gmx.at) and * - * and Patrice Tremblay * - * * - * 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: 2006 Peter Penz (peter.penz@gmx.at) and Patrice Tremblay + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ #include "statusbarspaceinfo.h" -#include -#include -#include +#include "config-dolphin.h" +#include "diskspaceusagemenu.h" +#include "spaceinfoobserver.h" -#include -#include +#include +#include +#include -StatusBarSpaceInfo::StatusBarSpaceInfo(QWidget* parent) : - KCapacityBar(KCapacityBar::DrawTextInline, parent), - m_kBSize(0), - m_timer(0) +#include +#include + +StatusBarSpaceInfo::StatusBarSpaceInfo(QWidget *parent) + : QWidget(parent) + , m_observer(nullptr) + , m_hasSpaceInfo{false} + , m_shown{false} { - // Use a timer to update the space information. Polling is useful - // here, as files can be deleted/added outside the scope of Dolphin. - m_timer = new QTimer(this); - connect(m_timer, SIGNAL(timeout()), this, SLOT(calculateSpaceInfo())); + hide(); // Only become visible when we have space info to show. @see StatusBarSpaceInfo::setShown(). + + m_capacityBar = new KCapacityBar(KCapacityBar::DrawTextInline, this); + m_textInfoButton = new QToolButton(this); + m_textInfoButton->setAutoRaise(true); + m_textInfoButton->setPopupMode(QToolButton::InstantPopup); + auto menu = new DiskSpaceUsageMenu{this}; + connect(menu, &DiskSpaceUsageMenu::showMessage, this, &StatusBarSpaceInfo::showMessage); + connect(menu, &DiskSpaceUsageMenu::showInstallationProgress, this, &StatusBarSpaceInfo::showInstallationProgress); + m_textInfoButton->setMenu(menu); + + auto layout = new QHBoxLayout(this); + // We reduce the outside margin of the flat button so it visually has the same margin as the status bar text label on the other end of the bar. + layout->setContentsMargins(2, -1, 0, -1); // "-1" makes it so the fixed height won't be ignored. + layout->addWidget(m_capacityBar); + layout->addWidget(m_textInfoButton); } StatusBarSpaceInfo::~StatusBarSpaceInfo() { } -void StatusBarSpaceInfo::setUrl(const KUrl& url) +void StatusBarSpaceInfo::setShown(bool shown) +{ + m_shown = shown; + if (!m_shown) { + hide(); + return; + } + + // We only show() this widget in slotValueChanged() when it m_hasSpaceInfo. + if (m_observer.isNull()) { + m_observer.reset(new SpaceInfoObserver(m_url, this)); + connect(m_observer.data(), &SpaceInfoObserver::valuesChanged, this, &StatusBarSpaceInfo::slotValuesChanged); + } + + if (m_hasSpaceInfo) { + slotValuesChanged(); + } +} + +void StatusBarSpaceInfo::setUrl(const QUrl &url) { if (m_url != url) { m_url = url; - if (isVisible()) { - calculateSpaceInfo(); + static_cast(m_textInfoButton->menu())->setUrl(url); + m_hasSpaceInfo = false; + if (m_observer) { + m_observer.reset(new SpaceInfoObserver(m_url, this)); + connect(m_observer.data(), &SpaceInfoObserver::valuesChanged, this, &StatusBarSpaceInfo::slotValuesChanged); } } } -KUrl StatusBarSpaceInfo::url() const +QUrl StatusBarSpaceInfo::url() const { return m_url; } -void StatusBarSpaceInfo::showEvent(QShowEvent* event) +void StatusBarSpaceInfo::update() { - KCapacityBar::showEvent(event); - if (!event->spontaneous()) { - calculateSpaceInfo(); - m_timer->start(10000); + if (m_observer) { + m_observer->update(); } } -void StatusBarSpaceInfo::hideEvent(QHideEvent* event) +void StatusBarSpaceInfo::showEvent(QShowEvent *event) { - m_timer->stop(); - KCapacityBar::hideEvent(event); + if (m_shown && m_observer.isNull()) { + m_observer.reset(new SpaceInfoObserver(m_url, this)); + connect(m_observer.data(), &SpaceInfoObserver::valuesChanged, this, &StatusBarSpaceInfo::slotValuesChanged); + } + QWidget::showEvent(event); } -void StatusBarSpaceInfo::calculateSpaceInfo() +void StatusBarSpaceInfo::hideEvent(QHideEvent *event) { - // KDiskFreeSpace is for local paths only - if (!m_url.isLocalFile()) { - setText(i18nc("@info:status", "Unknown size")); - setValue(0); - update(); - return; + if (m_hasSpaceInfo) { + m_observer.reset(); + m_hasSpaceInfo = false; } + QWidget::hideEvent(event); +} - KDiskFreeSpaceInfo job = KDiskFreeSpaceInfo::freeSpaceInfo(m_url.toLocalFile()); - if (!job.isValid()) { - setText(i18nc("@info:status", "Unknown size")); - setValue(0); - update(); +QSize StatusBarSpaceInfo::minimumSizeHint() const +{ + return QSize(); +} + +void StatusBarSpaceInfo::slotValuesChanged() +{ + Q_ASSERT(m_observer); + const quint64 size = m_observer->size(); + + if (!m_shown || size == 0) { + hide(); return; } - KIO::filesize_t kBSize = job.size() / 1024; - KIO::filesize_t kBUsed = job.used() / 1024; + m_hasSpaceInfo = true; + + const quint64 available = m_observer->available(); + const quint64 used = size - available; + const int percentUsed = qRound(100.0 * qreal(used) / qreal(size)); - const bool valuesChanged = (kBUsed != static_cast(value())) || (kBSize != m_kBSize); - if (valuesChanged) { - setText(i18nc("@info:status Free disk space", "%1 free", - KIO::convertSize(job.available()))); + m_textInfoButton->setText(i18nc("@info:status Free disk space", "%1 free", KIO::convertSize(available))); + setToolTip(i18nc("tooltip:status Free disk space", "%1 free out of %2 (%3% used)", KIO::convertSize(available), KIO::convertSize(size), percentUsed)); + m_textInfoButton->setToolTip(i18nc("@info:tooltip for the free disk space button", + "%1 free out of %2 (%3% used)\nPress to manage disk space usage.", + KIO::convertSize(available), + KIO::convertSize(size), + percentUsed)); + setUpdatesEnabled(false); + m_capacityBar->setValue(percentUsed); + setUpdatesEnabled(true); - setUpdatesEnabled(false); - m_kBSize = kBSize; - setValue(kBSize > 0 ? (kBUsed * 100) / kBSize : 0); - setUpdatesEnabled(true); + if (!isVisible()) { + show(); + } else { update(); } } -#include "statusbarspaceinfo.moc" +#include "moc_statusbarspaceinfo.cpp"