Merge branch 'release/20.04'

[dolphin.git] / src / kitemviews / kstandarditemlistwidget.cpp

diff --git a/src/kitemviews/kstandarditemlistwidget.cpp b/src/kitemviews/kstandarditemlistwidget.cpp
index 4bbbf17a80fe25461b00ec60bcb31666745098ad..4018b3c15747283be5575b5d2f94a75e2954a4dd 100644 (file)
--- a/src/kitemviews/kstandarditemlistwidget.cpp
+++ b/src/kitemviews/kstandarditemlistwidget.cpp
@@ -88,7 +88,7 @@ qreal KStandardItemListWidgetInformant::preferredRoleColumnWidth(const QByteArra
         // If current item is a link, we use the customized link font metrics instead of the normal font metrics.
         const QFontMetrics& fontMetrics = itemIsLink(index, view) ? linkFontMetrics : normalFontMetrics;
 
-        width += fontMetrics.width(text);
+        width += fontMetrics.boundingRect(text).width();
 
         if (role == "text") {
             if (view->supportsItemExpanding()) {
@@ -214,12 +214,12 @@ void KStandardItemListWidgetInformant::calculateCompactLayoutItemSizeHints(QVect
         qreal maximumRequiredWidth = 0.0;
 
         if (showOnlyTextRole) {
-            maximumRequiredWidth = fontMetrics.width(itemText(index, view));
+            maximumRequiredWidth = fontMetrics.boundingRect(itemText(index, view)).width();
         } else {
             const QHash<QByteArray, QVariant>& values = view->model()->data(index);
             foreach (const QByteArray& role, visibleRoles) {
                 const QString& text = roleText(role, values);
-                const qreal requiredWidth = fontMetrics.width(text);
+                const qreal requiredWidth = fontMetrics.boundingRect(text).width();
                 maximumRequiredWidth = qMax(maximumRequiredWidth, requiredWidth);
             }
         }
@@ -478,7 +478,7 @@ QRectF KStandardItemListWidget::textFocusRect() const
         const KItemListStyleOption& option = styleOption();
         if (option.extendedSelectionRegion) {
             const QString text = textInfo->staticText.text();
-            rect.setWidth(m_customizedFontMetrics.width(text) + 2 * option.padding);
+            rect.setWidth(m_customizedFontMetrics.boundingRect(text).width() + 2 * option.padding);
         }
 
         return rect;
@@ -1113,6 +1113,26 @@ void KStandardItemListWidget::updateTextsCache()
     }
 }
 
+QString KStandardItemListWidget::elideRightKeepExtension(const QString &text, int elidingWidth) const
+{
+    const auto extensionIndex = text.lastIndexOf('.');
+    if (extensionIndex != -1) {
+        // has file extension
+        const auto extensionLength = text.length() - extensionIndex;
+        const auto extensionWidth = m_customizedFontMetrics.boundingRect(text.right(extensionLength)).width();
+        if (elidingWidth > extensionWidth && extensionLength < 6 && (float(extensionWidth) / float(elidingWidth)) < 0.3) {
+            // if we have room to display the file extension and the extension is not too long
+            QString ret = m_customizedFontMetrics.elidedText(text.chopped(extensionLength),
+                                                             Qt::ElideRight,
+                                                             elidingWidth - extensionWidth);
+            ret.append(text.right(extensionLength));
+            return ret;
+        }
+    }
+    return m_customizedFontMetrics.elidedText(text,Qt::ElideRight,
+                                              elidingWidth);
+}
+
 void KStandardItemListWidget::updateIconsLayoutTextCache()
 {
     //      +------+
@@ -1164,9 +1184,7 @@ void KStandardItemListWidget::updateIconsLayoutTextCache()
                 qreal lastLineWidth;
                 do {
                     QString lastTextLine = nameText.mid(line.textStart());
-                    lastTextLine = m_customizedFontMetrics.elidedText(lastTextLine,
-                                                                      Qt::ElideMiddle,
-                                                                      elidingWidth);
+                    lastTextLine = elideRightKeepExtension(lastTextLine, elidingWidth);
                     const QString elidedText = nameText.left(line.textStart()) + lastTextLine;
                     nameTextInfo->staticText.setText(elidedText);
 
@@ -1221,9 +1239,9 @@ void KStandardItemListWidget::updateIconsLayoutTextCache()
             textLine.setLineWidth(maxWidth);
             requiredWidth = textLine.naturalTextWidth();
             if (requiredWidth > maxWidth) {
-                const QString elidedText = m_customizedFontMetrics.elidedText(text, Qt::ElideMiddle, maxWidth);
+                const QString elidedText = elideRightKeepExtension(text, maxWidth);
                 textInfo->staticText.setText(elidedText);
-                requiredWidth = m_customizedFontMetrics.width(elidedText);
+                requiredWidth = m_customizedFontMetrics.boundingRect(elidedText).width();
             } else if (role == "rating") {
                 // Use the width of the rating pixmap, because the rating text is empty.
                 requiredWidth = m_rating.width();
@@ -1267,10 +1285,10 @@ void KStandardItemListWidget::updateCompactLayoutTextCache()
         TextInfo* textInfo = m_textInfo.value(role);
         textInfo->staticText.setText(text);
 
-        qreal requiredWidth = m_customizedFontMetrics.width(text);
+        qreal requiredWidth = m_customizedFontMetrics.boundingRect(text).width();
         if (requiredWidth > maxWidth) {
             requiredWidth = maxWidth;
-            const QString elidedText = m_customizedFontMetrics.elidedText(text, Qt::ElideMiddle, maxWidth);
+            const QString elidedText = elideRightKeepExtension(text, maxWidth);
             textInfo->staticText.setText(elidedText);
         }
 
@@ -1317,7 +1335,7 @@ void KStandardItemListWidget::updateDetailsLayoutTextCache()
         QString text = roleText(role, values);
 
         // Elide the text in case it does not fit into the available column-width
-        qreal requiredWidth = m_customizedFontMetrics.width(text);
+        qreal requiredWidth = m_customizedFontMetrics.boundingRect(text).width();
         const qreal roleWidth = columnWidth(role);
         qreal availableTextWidth = roleWidth - columnWidthInc;
 
@@ -1327,8 +1345,8 @@ void KStandardItemListWidget::updateDetailsLayoutTextCache()
         }
 
         if (requiredWidth > availableTextWidth) {
-            text = m_customizedFontMetrics.elidedText(text, Qt::ElideMiddle, availableTextWidth);
-            requiredWidth = m_customizedFontMetrics.width(text);
+            text = elideRightKeepExtension(text, availableTextWidth);
+            requiredWidth = m_customizedFontMetrics.boundingRect(text).width();
         }
 
         TextInfo* textInfo = m_textInfo.value(role);
@@ -1468,7 +1486,7 @@ QPixmap KStandardItemListWidget::pixmapForIcon(const QString& name, const QStrin
     const QString key = "KStandardItemListWidget:" % name % ":" % overlays.join(QLatin1Char(':')) % ":" % QString::number(size) % ":" % QString::number(mode);
     QPixmap pixmap;
 
-    if (!QPixmapCache::find(key, pixmap)) {
+    if (!QPixmapCache::find(key, &pixmap)) {
         const QIcon icon = QIcon::fromTheme(name, fallbackIcon);
 
         pixmap = icon.pixmap(size / qApp->devicePixelRatio(), size / qApp->devicePixelRatio(), mode);