X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/32b51b7b92e16cfaf1121cbe80ca267fc8bb0718..b889a446bfe851a7f49821d469c5f3041b6e5774:/src/statusbar/statusbarspaceinfo.cpp

diff --git a/src/statusbar/statusbarspaceinfo.cpp b/src/statusbar/statusbarspaceinfo.cpp
index ea8b4704c..4fb1f311e 100644
--- a/src/statusbar/statusbarspaceinfo.cpp
+++ b/src/statusbar/statusbarspaceinfo.cpp
@@ -1,89 +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 "config-dolphin.h"
+#include "diskspaceusagemenu.h"
 #include "spaceinfoobserver.h"
 
-#include <KLocale>
-#include <KIO/Job>
+#include <KCapacityBar>
+#include <KIO/Global>
+#include <KLocalizedString>
 
-#include <QKeyEvent>
+#include <QHBoxLayout>
+#include <QToolButton>
 
-StatusBarSpaceInfo::StatusBarSpaceInfo(QWidget* parent) :
-    KCapacityBar(KCapacityBar::DrawTextInline, parent),
-    m_observer(0)
+StatusBarSpaceInfo::StatusBarSpaceInfo(QWidget *parent)
+    : QWidget(parent)
+    , m_observer(nullptr)
+    , m_hasSpaceInfo{false}
+    , m_shown{false}
 {
+    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;
+        static_cast<DiskSpaceUsageMenu *>(m_textInfoButton->menu())->setUrl(url);
+        m_hasSpaceInfo = false;
         if (m_observer) {
-            m_observer->setUrl(url);
+            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()
+{
+    if (m_observer) {
+        m_observer->update();
+    }
+}
+
+void StatusBarSpaceInfo::showEvent(QShowEvent *event)
 {
-    KCapacityBar::showEvent(event);
-    m_observer.reset(new SpaceInfoObserver(m_url, this));
-    slotValuesChanged();
-    connect(m_observer.data(), SIGNAL(valuesChanged()), this, SLOT(slotValuesChanged()));
+    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::hideEvent(QHideEvent* event)
+void StatusBarSpaceInfo::hideEvent(QHideEvent *event)
 {
-    m_observer.reset();
-    KCapacityBar::hideEvent(event);
+    if (m_hasSpaceInfo) {
+        m_observer.reset();
+        m_hasSpaceInfo = false;
+    }
+    QWidget::hideEvent(event);
+}
+
+QSize StatusBarSpaceInfo::minimumSizeHint() const
+{
+    return QSize();
 }
 
 void StatusBarSpaceInfo::slotValuesChanged()
 {
     Q_ASSERT(m_observer);
     const quint64 size = m_observer->size();
-    if (size == 0) {
-        setText(i18nc("@info:status", "Unknown size"));
-        setValue(0);
-        update();
+
+    if (!m_shown || size == 0) {
+        hide();
+        return;
+    }
+
+    m_hasSpaceInfo = true;
+
+    const quint64 available = m_observer->available();
+    const quint64 used = size - available;
+    const int percentUsed = qRound(100.0 * qreal(used) / qreal(size));
+
+    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);
+
+    if (!isVisible()) {
+        show();
     } else {
-        const quint64 available = m_observer->available();
-        const quint64 used = size - available;
-        const int percentUsed = qRound(100.0 * qreal(used) / qreal(size));
-
-        setText(i18nc("@info:status Free disk space", "%1 free", KIO::convertSize(available)));
-        setUpdatesEnabled(false);
-        setValue(percentUsed);
-        setUpdatesEnabled(true);
         update();
     }
 }
 
+#include "moc_statusbarspaceinfo.cpp"