legend: truncate excessively long tooltips (fixes #21737)

jef-n · jef-n · commit 2ef99da242fe · 2019-04-02T17:18:40.000+02:00
diff --git a/src/core/layertree/qgslayertreemodel.cpp b/src/core/layertree/qgslayertreemodel.cpp
@@ -330,7 +330,13 @@ QVariant QgsLayerTreeModel::data( const QModelIndex &index, int role ) const
           parts << QString();
         }
 
-        parts << "<i>" + layer->publicSource().toHtmlEscaped() + "</i>";
+        QString source( layer->publicSource() );
+        if ( source.size() > 1024 )
+        {
+          source = source.left( 1023 ) + QStringLiteral( "…" );
+        }
+
+        parts << "<i>" + source.toHtmlEscaped() + "</i>";
 
         return parts.join( QStringLiteral( "<br/>" ) );
       }

Original file line number	Diff line number	Diff line change
`@@ -330,7 +330,13 @@ QVariant QgsLayerTreeModel::data( const QModelIndex &index, int role ) const`
`330`	`330`	`parts << QString();`
`331`	`331`	`}`
`332`	`332`
`333`		`- parts << "<i>" + layer->publicSource().toHtmlEscaped() + "</i>";`
	`333`	`+ QString source( layer->publicSource() );`
	`334`	`+ if ( source.size() > 1024 )`
	`335`	`+ {`
	`336`	`+ source = source.left( 1023 ) + QStringLiteral( "…" );`
	`337`	`+ }`
	`338`	`+`
	`339`	`+ parts << "<i>" + source.toHtmlEscaped() + "</i>";`
`334`	`340`
`335`	`341`	`return parts.join( QStringLiteral( "<br/>" ) );`
`336`	`342`	`}`