Use only enabled preview plugins in InformationPanelContent and ToolTipManager.

[dolphin.git] / src / views / tooltips / tooltipmanager.cpp

diff --git a/src/views/tooltips/tooltipmanager.cpp b/src/views/tooltips/tooltipmanager.cpp
index bb2890138a99a952af19c8b076382d9d8714669f..4786445f1a98563214b1709e3123e79ffd800944 100644 (file)
--- a/src/views/tooltips/tooltipmanager.cpp
+++ b/src/views/tooltips/tooltipmanager.cpp
@@ -1,21 +1,8 @@
-/*******************************************************************************
- *   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"
 
@@ -23,8 +10,11 @@
 
 #include <KIO/JobUiDelegate>
 #include <KIO/PreviewJob>
+#include <KConfigGroup>
 #include <KJobWidgets>
+#include <KSharedConfig>
 #include <KToolTipWidget>
+#include <KIconLoader>
 
 #include <QApplication>
 #include <QDesktopWidget>
@@ -34,6 +24,15 @@
 #include <QTimer>
 #include <QWindow>
 
+class IconLoaderSingleton {
+public:
+    IconLoaderSingleton() = default;
+
+    KIconLoader self;
+};
+
+Q_GLOBAL_STATIC(IconLoaderSingleton, iconLoader)
+
 ToolTipManager::ToolTipManager(QWidget* parent) :
     QObject(parent),
     m_showToolTipTimer(nullptr),
@@ -54,7 +53,7 @@ ToolTipManager::ToolTipManager(QWidget* parent) :
     m_showToolTipTimer = new QTimer(this);
     m_showToolTipTimer->setSingleShot(true);
     m_showToolTipTimer->setInterval(500);
-    connect(m_showToolTipTimer, &QTimer::timeout, this, static_cast<void(ToolTipManager::*)()>(&ToolTipManager::showToolTip));
+    connect(m_showToolTipTimer, &QTimer::timeout, this, QOverload<>::of(&ToolTipManager::showToolTip));
 
     m_contentRetrievalTimer = new QTimer(this);
     m_contentRetrievalTimer->setSingleShot(true);
@@ -82,11 +81,10 @@ void ToolTipManager::showToolTip(const KFileItem& item, const QRectF& itemRect,
     // 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.
-    delete m_fileMetaDataWidget;
-    m_fileMetaDataWidget = new DolphinFileMetaDataWidget();
-    connect(m_fileMetaDataWidget, &DolphinFileMetaDataWidget::metaDataRequestFinished,
+    m_fileMetaDataWidget.reset(new DolphinFileMetaDataWidget());
+    connect(m_fileMetaDataWidget.data(), &DolphinFileMetaDataWidget::metaDataRequestFinished,
             this, &ToolTipManager::slotMetaDataRequestFinished);
-    connect(m_fileMetaDataWidget, &DolphinFileMetaDataWidget::urlActivated,
+    connect(m_fileMetaDataWidget.data(), &DolphinFileMetaDataWidget::urlActivated,
             this, &ToolTipManager::urlActivated);
 
     m_contentRetrievalTimer->start();
@@ -95,7 +93,7 @@ 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();
@@ -107,7 +105,14 @@ void ToolTipManager::hideToolTip()
     m_showToolTipTimer->stop();
     m_contentRetrievalTimer->stop();
     if (m_tooltipWidget) {
-        m_tooltipWidget->hideLater();
+        switch (behavior) {
+        case HideBehavior::Instantly:
+            m_tooltipWidget->hide();
+            break;
+        case HideBehavior::Later:
+            m_tooltipWidget->hideLater();
+            break;
+        }
     }
 }
 
@@ -129,7 +134,8 @@ void ToolTipManager::startContentRetrieval()
     // Request a preview of the item
     m_fileMetaDataWidget->setPreview(QPixmap());
 
-    QStringList plugins = KIO::PreviewJob::availablePlugins();
+    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);
@@ -168,8 +174,13 @@ void ToolTipManager::previewFailed()
     if (!m_toolTipRequested) {
         return;
     }
-
-    const QPixmap pixmap = QIcon::fromTheme(m_item.iconName()).pixmap(128, 128);
+    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();
@@ -209,7 +220,7 @@ void ToolTipManager::showToolTip()
     if (!m_tooltipWidget) {
         m_tooltipWidget.reset(new KToolTipWidget());
     }
-    m_tooltipWidget->showBelow(m_itemRect, m_fileMetaDataWidget, m_transientParent);
+    m_tooltipWidget->showBelow(m_itemRect, m_fileMetaDataWidget.data(), m_transientParent);
     m_toolTipRequested = false;
 }