Show folder previews for items that have a Places Panel entry

[dolphin.git] / src / panels / information / informationpanelcontent.cpp

diff --git a/src/panels/information/informationpanelcontent.cpp b/src/panels/information/informationpanelcontent.cpp
index c18d4738ec6e9b09d989554227b1e494a170a00c..5dcf8612efcba68c486f92afc42029de1197b0de 100644 (file)
--- a/src/panels/information/informationpanelcontent.cpp
+++ b/src/panels/information/informationpanelcontent.cpp
@@ -19,17 +19,17 @@
 
 #include "informationpanelcontent.h"
 
 
 #include "informationpanelcontent.h"
 

-#include <KFileItem>

 #include <KIO/JobUiDelegate>
 #include <KIO/PreviewJob>
 #include <KIO/JobUiDelegate>
 #include <KIO/PreviewJob>

-#include <KJobWidgets>

 #include <KIconEffect>
 #include <KIconLoader>
 #include <KIconEffect>
 #include <KIconLoader>

-#include <QIcon>
+#include <KJobWidgets>

 #include <KLocalizedString>
 #include <KLocalizedString>

-#include <QMenu>

 #include <KSeparator>
 #include <KStringHandler>
 #include <KSeparator>
 #include <KStringHandler>

+
+#include <QIcon>
+#include <QMenu>

 #include <QTextDocument>
 
 #ifndef HAVE_BALOO
 #include <QTextDocument>
 
 #ifndef HAVE_BALOO


@@ -43,18 +43,12 @@
 
 #include <Phonon/BackendCapabilities>
 #include <Phonon/MediaObject>
 
 #include <Phonon/BackendCapabilities>
 #include <Phonon/MediaObject>

-#include <Phonon/SeekSlider>

 
 

-#include <QEvent>

 #include <QLabel>
 #include <QLabel>

-#include <QPixmap>
-#include <QResizeEvent>

 #include <QScrollArea>
 #include <QTextLayout>
 #include <QScrollArea>
 #include <QTextLayout>

-#include <QTextLine>

 #include <QTimer>
 #include <QVBoxLayout>
 #include <QTimer>
 #include <QVBoxLayout>

-#include <QFontDatabase>

 #include <QStyle>
 
 #include "dolphin_informationpanelsettings.h"
 #include <QStyle>
 
 #include "dolphin_informationpanelsettings.h"


@@ -65,14 +59,14 @@
 InformationPanelContent::InformationPanelContent(QWidget* parent) :
     QWidget(parent),
     m_item(),
 InformationPanelContent::InformationPanelContent(QWidget* parent) :
     QWidget(parent),
     m_item(),

-    m_previewJob(0),
-    m_outdatedPreviewTimer(0),
-    m_preview(0),
-    m_phononWidget(0),
-    m_nameLabel(0),
-    m_metaDataWidget(0),
-    m_metaDataArea(0),
-    m_placesItemModel(0)
+    m_previewJob(nullptr),
+    m_outdatedPreviewTimer(nullptr),
+    m_preview(nullptr),
+    m_phononWidget(nullptr),
+    m_nameLabel(nullptr),
+    m_metaDataWidget(nullptr),
+    m_metaDataArea(nullptr),
+    m_placesItemModel(nullptr)

 {
     parent->installEventFilter(this);
 
 {
     parent->installEventFilter(this);
 


@@ -107,7 +101,7 @@ InformationPanelContent::InformationPanelContent(QWidget* parent) :
     m_nameLabel->setFont(font);
     m_nameLabel->setTextFormat(Qt::PlainText);
     m_nameLabel->setAlignment(Qt::AlignHCenter);
     m_nameLabel->setFont(font);
     m_nameLabel->setTextFormat(Qt::PlainText);
     m_nameLabel->setAlignment(Qt::AlignHCenter);

-    m_nameLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+    m_nameLabel->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Fixed);

 
     const bool previewsShown = InformationPanelSettings::previewsShown();
     m_preview->setVisible(previewsShown);
 
     const bool previewsShown = InformationPanelSettings::previewsShown();
     m_preview->setVisible(previewsShown);


@@ -142,10 +136,6 @@ InformationPanelContent::InformationPanelContent(QWidget* parent) :
     QWidget* viewport = m_metaDataArea->viewport();
     viewport->installEventFilter(this);
 
     QWidget* viewport = m_metaDataArea->viewport();
     viewport->installEventFilter(this);
 

-    QPalette palette = viewport->palette();
-    palette.setColor(viewport->backgroundRole(), QColor(Qt::transparent));
-    viewport->setPalette(palette);
-

     layout->addWidget(m_preview);
     layout->addWidget(m_phononWidget);
     layout->addWidget(m_nameLabel);
     layout->addWidget(m_preview);
     layout->addWidget(m_phononWidget);
     layout->addWidget(m_nameLabel);


@@ -169,41 +159,37 @@ void InformationPanelContent::showItem(const KFileItem& item)
     }
 
     const QUrl itemUrl = item.url();
     }
 
     const QUrl itemUrl = item.url();

-    const bool isSearchUrl = itemUrl.scheme().contains("search") && item.localPath().isEmpty();
-    if (!applyPlace(itemUrl)) {
-        setNameLabelText(item.text());
-        if (isSearchUrl) {
-            // in the case of a search-URL the URL is not readable for humans
-            // (at least not useful to show in the Information Panel)
-            KIconLoader iconLoader;
-            QPixmap icon = iconLoader.loadIcon("nepomuk",
-                                               KIconLoader::NoGroup,
-                                               KIconLoader::SizeEnormous);
-            m_preview->setPixmap(icon);
-        } else {
-            // try to get a preview pixmap from the item...
-
-            // Mark the currently shown preview as outdated. This is done
-            // with a small delay to prevent a flickering when the next preview
-            // can be shown within a short timeframe. This timer is not started
-            // for directories, as directory previews might fail and return the
-            // same icon.
-            if (!item.isDir()) {
-                m_outdatedPreviewTimer->start();
-            }
-
-            m_previewJob = new KIO::PreviewJob(KFileItemList() << item, QSize(m_preview->width(), m_preview->height()));
-            m_previewJob->setScaleType(KIO::PreviewJob::Unscaled);
-            m_previewJob->setIgnoreMaximumSize(item.isLocalFile());
-            if (m_previewJob->ui()) {
-                KJobWidgets::setWindow(m_previewJob, this);
-            }
+    const bool isSearchUrl = itemUrl.scheme().contains(QStringLiteral("search")) && item.localPath().isEmpty();
+    setNameLabelText(item.text());
+    if (isSearchUrl) {
+        // in the case of a search-URL the URL is not readable for humans
+        // (at least not useful to show in the Information Panel)
+        m_preview->setPixmap(
+            QIcon::fromTheme(QStringLiteral("nepomuk")).pixmap(KIconLoader::SizeEnormous, KIconLoader::SizeEnormous)
+        );
+    } else {
+        // try to get a preview pixmap from the item...
+
+        // Mark the currently shown preview as outdated. This is done
+        // with a small delay to prevent a flickering when the next preview
+        // can be shown within a short timeframe. This timer is not started
+        // for directories, as directory previews might fail and return the
+        // same icon.
+        if (!item.isDir()) {
+            m_outdatedPreviewTimer->start();
+        }

 
 

-            connect(m_previewJob.data(), &KIO::PreviewJob::gotPreview,
-                    this, &InformationPanelContent::showPreview);
-            connect(m_previewJob.data(), &KIO::PreviewJob::failed,
-                    this, &InformationPanelContent::showIcon);
+        m_previewJob = new KIO::PreviewJob(KFileItemList() << item, QSize(m_preview->width(), m_preview->height()));
+        m_previewJob->setScaleType(KIO::PreviewJob::Unscaled);
+        m_previewJob->setIgnoreMaximumSize(item.isLocalFile());
+        if (m_previewJob->uiDelegate()) {
+            KJobWidgets::setWindow(m_previewJob, this);

         }
         }

+
+        connect(m_previewJob.data(), &KIO::PreviewJob::gotPreview,
+                this, &InformationPanelContent::showPreview);
+        connect(m_previewJob.data(), &KIO::PreviewJob::failed,
+                this, &InformationPanelContent::showIcon);

     }
 
     if (m_metaDataWidget) {
     }
 
     if (m_metaDataWidget) {


@@ -213,7 +199,7 @@ void InformationPanelContent::showItem(const KFileItem& item)
 
     if (InformationPanelSettings::previewsShown()) {
         const QString mimeType = item.mimetype();
 
     if (InformationPanelSettings::previewsShown()) {
         const QString mimeType = item.mimetype();

-        const bool usePhonon = mimeType.startsWith("audio/") || mimeType.startsWith("video/");
+        const bool usePhonon = mimeType.startsWith(QLatin1String("audio/")) || mimeType.startsWith(QLatin1String("video/"));

         if (usePhonon) {
             m_phononWidget->show();
             m_phononWidget->setUrl(item.targetUrl());
         if (usePhonon) {
             m_phononWidget->show();
             m_phononWidget->setUrl(item.targetUrl());


@@ -239,11 +225,9 @@ void InformationPanelContent::showItems(const KFileItemList& items)
         m_previewJob->kill();
     }
 
         m_previewJob->kill();
     }
 

-    KIconLoader iconLoader;
-    QPixmap icon = iconLoader.loadIcon("dialog-information",
-                                       KIconLoader::NoGroup,
-                                       KIconLoader::SizeEnormous);
-    m_preview->setPixmap(icon);
+    m_preview->setPixmap(
+        QIcon::fromTheme(QStringLiteral("dialog-information")).pixmap(KIconLoader::SizeEnormous, KIconLoader::SizeEnormous)
+    );

     setNameLabelText(i18ncp("@label", "%1 item selected", "%1 items selected", items.count()));
 
     if (m_metaDataWidget) {
     setNameLabelText(i18ncp("@label", "%1 item selected", "%1 items selected", items.count()));
 
     if (m_metaDataWidget) {


@@ -290,12 +274,12 @@ void InformationPanelContent::configureSettings(const QList<QAction*>& customCon
     QMenu popup(this);
 
     QAction* previewAction = popup.addAction(i18nc("@action:inmenu", "Preview"));
     QMenu popup(this);
 
     QAction* previewAction = popup.addAction(i18nc("@action:inmenu", "Preview"));

-    previewAction->setIcon(QIcon::fromTheme("view-preview"));
+    previewAction->setIcon(QIcon::fromTheme(QStringLiteral("view-preview")));

     previewAction->setCheckable(true);
     previewAction->setChecked(InformationPanelSettings::previewsShown());
 
     QAction* configureAction = popup.addAction(i18nc("@action:inmenu", "Configure..."));
     previewAction->setCheckable(true);
     previewAction->setChecked(InformationPanelSettings::previewsShown());
 
     QAction* configureAction = popup.addAction(i18nc("@action:inmenu", "Configure..."));

-    configureAction->setIcon(QIcon::fromTheme("configure"));
+    configureAction->setIcon(QIcon::fromTheme(QStringLiteral("configure")));

 
     popup.addSeparator();
     foreach (QAction* action, customContextMenuActions) {
 
     popup.addSeparator();
     foreach (QAction* action, customContextMenuActions) {


@@ -314,14 +298,12 @@ void InformationPanelContent::configureSettings(const QList<QAction*>& customCon
         m_preview->setVisible(isChecked);
         InformationPanelSettings::setPreviewsShown(isChecked);
     } else if (action == configureAction) {
         m_preview->setVisible(isChecked);
         InformationPanelSettings::setPreviewsShown(isChecked);
     } else if (action == configureAction) {

-        FileMetaDataConfigurationDialog* dialog = new FileMetaDataConfigurationDialog();
+        FileMetaDataConfigurationDialog* dialog = new FileMetaDataConfigurationDialog(this);

         dialog->setDescription(i18nc("@label::textbox",
                                      "Select which data should be shown in the information panel:"));
         dialog->setItems(m_metaDataWidget->items());
         dialog->setAttribute(Qt::WA_DeleteOnClose);
         dialog->show();
         dialog->setDescription(i18nc("@label::textbox",
                                      "Select which data should be shown in the information panel:"));
         dialog->setItems(m_metaDataWidget->items());
         dialog->setAttribute(Qt::WA_DeleteOnClose);
         dialog->show();

-        dialog->raise();
-        dialog->activateWindow();

         connect(dialog, &FileMetaDataConfigurationDialog::destroyed, this, &InformationPanelContent::refreshMetaData);
     }
 }
         connect(dialog, &FileMetaDataConfigurationDialog::destroyed, this, &InformationPanelContent::refreshMetaData);
     }
 }


@@ -329,12 +311,9 @@ void InformationPanelContent::configureSettings(const QList<QAction*>& customCon
 void InformationPanelContent::showIcon(const KFileItem& item)
 {
     m_outdatedPreviewTimer->stop();
 void InformationPanelContent::showIcon(const KFileItem& item)
 {
     m_outdatedPreviewTimer->stop();

-    if (!applyPlace(item.targetUrl())) {
-        const QPixmap icon = KIconLoader::global()->loadIcon(item.iconName(), KIconLoader::Desktop,
-                                                             KIconLoader::SizeEnormous, KIconLoader::DefaultState,
-                                                             item.overlays());
-        m_preview->setPixmap(icon);
-    }
+    QPixmap pixmap = QIcon::fromTheme(item.iconName()).pixmap(KIconLoader::SizeEnormous, KIconLoader::SizeEnormous);
+    KIconLoader::global()->drawOverlays(item.overlays(), pixmap, KIconLoader::Desktop);
+    m_preview->setPixmap(pixmap);

 }
 
 void InformationPanelContent::showPreview(const KFileItem& item,
 }
 
 void InformationPanelContent::showPreview(const KFileItem& item,


@@ -369,21 +348,6 @@ void InformationPanelContent::refreshMetaData()
     }
 }
 
     }
 }
 

-bool InformationPanelContent::applyPlace(const QUrl& url)
-{
-    const int count = m_placesItemModel->count();
-    for (int i = 0; i < count; ++i) {
-        const PlacesItem* item = m_placesItemModel->placesItem(i);
-        if (item->url().matches(url, QUrl::StripTrailingSlash)) {
-            setNameLabelText(item->text());
-            m_preview->setPixmap(QIcon::fromTheme(item->icon()).pixmap(128, 128));
-            return true;
-        }
-    }
-
-    return false;
-}
-

 void InformationPanelContent::setNameLabelText(const QString& text)
 {
     QTextOption textOption;
 void InformationPanelContent::setNameLabelText(const QString& text)
 {
     QTextOption textOption;


@@ -403,7 +367,7 @@ void InformationPanelContent::setNameLabelText(const QString& text)
     QTextLine line = textLayout.createLine();
     while (line.isValid()) {
         line.setLineWidth(m_nameLabel->width());
     QTextLine line = textLayout.createLine();
     while (line.isValid()) {
         line.setLineWidth(m_nameLabel->width());

-        wrappedText += processedText.mid(line.textStart(), line.textLength());
+        wrappedText += processedText.midRef(line.textStart(), line.textLength());

 
         line = textLayout.createLine();
         if (line.isValid()) {
 
         line = textLayout.createLine();
         if (line.isValid()) {