X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/980846ab36eef12c152aa913267145b8bab2f326..6e05c6365eec005caa3198a13bb071c782b8b192:/src/kitemviews/kfileitemlistview.cpp

diff --git a/src/kitemviews/kfileitemlistview.cpp b/src/kitemviews/kfileitemlistview.cpp
index fd01f2c4c..3c1ef1b98 100644
--- a/src/kitemviews/kfileitemlistview.cpp
+++ b/src/kitemviews/kfileitemlistview.cpp
@@ -19,19 +19,16 @@
 
 #include "kfileitemlistview.h"
 
-#include "kfileitemmodelrolesupdater.h"
 #include "kfileitemlistwidget.h"
 #include "kfileitemmodel.h"
-#include <KLocale>
-#include <KStringHandler>
+#include "kfileitemmodelrolesupdater.h"
 #include "private/kpixmapmodifier.h"
 
-#include <KDebug>
-#include <KIcon>
-#include <KTextEdit>
+#include <KIconLoader>
 
+#include <QGraphicsScene>
+#include <QGraphicsView>
 #include <QPainter>
-#include <QTextLine>
 #include <QTimer>
 
 // #define KFILEITEMLISTVIEW_DEBUG
@@ -45,15 +42,15 @@ namespace {
 
     // If the icon size changes, a longer delay is used. This prevents that
     // the expensive re-generation of all previews is triggered repeatedly when
-    // chaning the zoom level.
+    // changing the zoom level.
     const int LongInterval = 300;
 }
 
 KFileItemListView::KFileItemListView(QGraphicsWidget* parent) :
     KStandardItemListView(parent),
-    m_modelRolesUpdater(0),
-    m_updateVisibleIndexRangeTimer(0),
-    m_updateIconSizeTimer(0)
+    m_modelRolesUpdater(nullptr),
+    m_updateVisibleIndexRangeTimer(nullptr),
+    m_updateIconSizeTimer(nullptr)
 {
     setAcceptDrops(true);
 
@@ -62,14 +59,14 @@ KFileItemListView::KFileItemListView(QGraphicsWidget* parent) :
     m_updateVisibleIndexRangeTimer = new QTimer(this);
     m_updateVisibleIndexRangeTimer->setSingleShot(true);
     m_updateVisibleIndexRangeTimer->setInterval(ShortInterval);
-    connect(m_updateVisibleIndexRangeTimer, SIGNAL(timeout()), this, SLOT(updateVisibleIndexRange()));
+    connect(m_updateVisibleIndexRangeTimer, &QTimer::timeout, this, &KFileItemListView::updateVisibleIndexRange);
 
     m_updateIconSizeTimer = new QTimer(this);
     m_updateIconSizeTimer->setSingleShot(true);
     m_updateIconSizeTimer->setInterval(LongInterval);
-    connect(m_updateIconSizeTimer, SIGNAL(timeout()), this, SLOT(updateIconSize()));
+    connect(m_updateIconSizeTimer, &QTimer::timeout, this, &KFileItemListView::updateIconSize);
 
-    setVisibleRoles(QList<QByteArray>() << "text");
+    setVisibleRoles({"text"});
 }
 
 KFileItemListView::~KFileItemListView()
@@ -158,21 +155,23 @@ QPixmap KFileItemListView::createDragPixmap(const KItemSet& indexes) const
         yCount = xCount;
     }
 
+    const qreal dpr = scene()->views()[0]->devicePixelRatio();
     // Draw the selected items into the grid cells.
-    QPixmap dragPixmap(xCount * size + xCount, yCount * size + yCount);
+    QPixmap dragPixmap(QSize(xCount * size + xCount, yCount * size + yCount) * dpr);
+    dragPixmap.setDevicePixelRatio(dpr);
     dragPixmap.fill(Qt::transparent);
 
     QPainter painter(&dragPixmap);
     int x = 0;
     int y = 0;
 
-    foreach (int index, indexes) {
+    for (int index : indexes) {
         QPixmap pixmap = model()->data(index).value("iconPixmap").value<QPixmap>();
         if (pixmap.isNull()) {
-            KIcon icon(model()->data(index).value("iconName").toString());
+            QIcon icon = QIcon::fromTheme(model()->data(index).value("iconName").toString());
             pixmap = icon.pixmap(size, size);
         } else {
-            KPixmapModifier::scale(pixmap, QSize(size, size));
+            KPixmapModifier::scale(pixmap, QSize(size, size) * dpr);
         }
 
         painter.drawPixmap(x, y, pixmap);
@@ -208,7 +207,7 @@ void KFileItemListView::initializeItemListWidget(KItemListWidget* item)
 
         const KFileItem fileItem = fileItemModel->fileItem(item->index());
         data.insert("iconName", fileItem.iconName());
-        item->setData(data, QSet<QByteArray>() << "iconName");
+        item->setData(data, {"iconName"});
     }
 }
 
@@ -229,7 +228,7 @@ void KFileItemListView::onModelChanged(KItemModelBase* current, KItemModelBase*
     KStandardItemListView::onModelChanged(current, previous);
 
     delete m_modelRolesUpdater;
-    m_modelRolesUpdater = 0;
+    m_modelRolesUpdater = nullptr;
 
     if (current) {
         m_modelRolesUpdater = new KFileItemModelRolesUpdater(static_cast<KFileItemModel*>(current), this);
@@ -396,6 +395,7 @@ void KFileItemListView::applyRolesToModel()
     roles.insert("text");
     roles.insert("isDir");
     roles.insert("isLink");
+    roles.insert("isHidden");
     if (supportsItemExpanding()) {
         roles.insert("isExpanded");
         roles.insert("isExpandable");
@@ -421,4 +421,3 @@ QSize KFileItemListView::availableIconSize() const
     return QSize(iconSize, iconSize);
 }
 
-#include "kfileitemlistview.moc"