X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/97415729c34851df75c77a67f27d6299c00bfbc4..56888a56:/src/kitemviews/kstandarditemlistwidget.cpp

diff --git a/src/kitemviews/kstandarditemlistwidget.cpp b/src/kitemviews/kstandarditemlistwidget.cpp
index f2fc21332..73744b385 100644
--- a/src/kitemviews/kstandarditemlistwidget.cpp
+++ b/src/kitemviews/kstandarditemlistwidget.cpp
@@ -232,6 +232,7 @@ void KStandardItemListWidgetInformant::calculateDetailsLayoutItemSizeHints(QVect
 
 KStandardItemListWidget::KStandardItemListWidget(KItemListWidgetInformant* informant, QGraphicsItem* parent) :
     KItemListWidget(informant, parent),
+    m_textInfo(),
     m_isCut(false),
     m_isHidden(false),
     m_customizedFont(),
@@ -247,7 +248,6 @@ KStandardItemListWidget::KStandardItemListWidget(KItemListWidgetInformant* infor
     m_scaledPixmapSize(),
     m_iconRect(),
     m_hoverPixmap(),
-    m_textInfo(),
     m_textRect(),
     m_sortedVisibleRoles(),
     m_expansionArea(),
@@ -314,7 +314,7 @@ void KStandardItemListWidget::paint(QPainter* painter, const QStyleOptionGraphic
     }
 
     const KItemListStyleOption& itemListStyleOption = styleOption();
-    if (isHovered()) {
+    if (isHovered() && !m_pixmap.isNull()) {
         if (hoverOpacity() < 1.0) {
             /*
              * Linear interpolation between m_pixmap and m_hoverPixmap.
@@ -357,7 +357,7 @@ void KStandardItemListWidget::paint(QPainter* painter, const QStyleOptionGraphic
         } else {
             drawPixmap(painter, m_hoverPixmap);
         }
-    } else {
+    } else if (!m_pixmap.isNull()) {
         drawPixmap(painter, m_pixmap);
     }
 
@@ -962,6 +962,11 @@ void KStandardItemListWidget::updatePixmapCache()
             KPixmapModifier::scale(m_pixmap, QSize(maxIconWidth, maxIconHeight) * qApp->devicePixelRatio());
         }
 
+        if (m_pixmap.isNull()) {
+            m_hoverPixmap = QPixmap();
+            return;
+        }
+
         if (m_isCut) {
             KIconEffect* effect = KIconLoader::global()->iconEffect();
             m_pixmap = effect->apply(m_pixmap, KIconLoader::Desktop, KIconLoader::DisabledState);
@@ -974,6 +979,10 @@ void KStandardItemListWidget::updatePixmapCache()
         if (m_layout == IconsLayout && isSelected()) {
             const QColor color = palette().brush(QPalette::Normal, QPalette::Highlight).color();
             QImage image = m_pixmap.toImage();
+            if (image.isNull()) {
+                m_hoverPixmap = QPixmap();
+                return;
+            }
             KIconEffect::colorize(image, color, 0.8f);
             m_pixmap = QPixmap::fromImage(image);
         }
@@ -1113,7 +1122,7 @@ QString KStandardItemListWidget::elideRightKeepExtension(const QString &text, in
             QString ret = m_customizedFontMetrics.elidedText(text.chopped(extensionLength),
                                                              Qt::ElideRight,
                                                              elidingWidth - extensionWidth);
-            ret.append(text.right(extensionLength));
+            ret.append(text.rightRef(extensionLength));
             return ret;
         }
     }
@@ -1479,7 +1488,8 @@ QPixmap KStandardItemListWidget::pixmapForIcon(const QString& name, const QStrin
         if (icon.isNull()) {
             icon = QIcon(name);
         }
-        if (icon.isNull()) {
+        if (icon.isNull()
+            || icon.pixmap(size / qApp->devicePixelRatio(), size / qApp->devicePixelRatio(), mode).isNull()) {
             icon = fallbackIcon;
         }