Fix usability issue in pluginmanager

The height of rows is too small to see its
contents on hidpi screens

Also raised maximumSize of mPluginsTabFrame

Author: elpaso

src/app/pluginmanager/qgspluginitemdelegate.cpp

@@ -31,7 +31,9 @@ QSize QgsPluginItemDelegate::sizeHint( const QStyleOptionViewItem & option, cons
 {
   Q_UNUSED( option );
   Q_UNUSED( index );
-  return QSize( 20, 20 );
+  // Calculate row height, adds some 20% padding
+  int pixelsHigh = int(QApplication::fontMetrics().height() * 1.2);
+  return QSize( pixelsHigh, pixelsHigh );
 }
 
 
@@ -40,6 +42,7 @@ void QgsPluginItemDelegate::paint( QPainter *painter, const QStyleOptionViewItem
   painter->save();
   painter->setRenderHint( QPainter::SmoothPixmapTransform );
   QStyle *style = QApplication::style();
+  int pixelsHigh = QApplication::fontMetrics().height();
 
   // Draw the background
   style->drawPrimitive( QStyle::PE_PanelItemViewItem, &option, painter, NULL );
@@ -66,7 +69,7 @@ void QgsPluginItemDelegate::paint( QPainter *painter, const QStyleOptionViewItem
   if ( !iconPixmap.isNull() )
   {
     int iconSize = option.rect.height();
-    painter->drawPixmap( option.rect.left() + 24, option.rect.top(), iconSize, iconSize, iconPixmap );
+    painter->drawPixmap( option.rect.left() + pixelsHigh , option.rect.top(), iconSize, iconSize, iconPixmap );
   }
 
   // Draw the text
@@ -92,8 +95,7 @@ void QgsPluginItemDelegate::paint( QPainter *painter, const QStyleOptionViewItem
     font.setBold( true );
     painter->setFont( font );
   }
-
-  painter->drawText( option.rect.left() + 48, option.rect.bottom() - 3, index.data( Qt::DisplayRole ).toString() );
+  painter->drawText( option.rect.left() + int( pixelsHigh * 2.3 ), option.rect.bottom() - int( pixelsHigh / 6), index.data( Qt::DisplayRole ).toString() );
 
   painter->restore();
 }

src/ui/qgspluginmanagerbase.ui

@@ -46,7 +46,7 @@
       </property>
       <property name="maximumSize">
        <size>
-        <width>200</width>
+        <width>400</width>
         <height>16777215</height>
        </size>
       </property>