[license] Show filenames as filenames

- Use File: to display filenames, rather than URL: plus a file:-scheme
 - Document the change in CHANGES

CHANGES

@@ -12,7 +12,9 @@ This release contains contributions from (alphabetically by first name):
  - No changes to core functionality.
 
 ## Modules ##
- - No changes to modules.
+ - The *license* module has seen a significant change to its looks.
+   Actions are now labeled more clearly, and the URL (or filename)
+   for each license is displayed.
 
 
 # 3.2.17.1 (2019-12-02) #

src/modules/license/LicenseWidget.cpp

@@ -88,14 +88,7 @@ LicenseWidget::LicenseWidget( LicenseEntry entry, QWidget* parent )
     if ( m_entry.isLocal() )
     {
         m_fullTextContents = loadLocalFile( m_entry.m_url );
-        if ( m_isExpanded )
+        showLocalLicenseText();
-        {
-            m_licenceTextLabel->setText( m_fullTextContents );
-        }
-        else
-        {
-            m_licenceTextLabel->setText( tr( "URL: %1" ).arg( m_entry.m_url.toDisplayString() ) );
-        }
         connect( m_viewLicenseButton, &QAbstractButton::clicked, this, &LicenseWidget::expandClicked );
     }
     else
@@ -162,20 +155,31 @@ LicenseWidget::retranslateUi()
 }
 
 void
-LicenseWidget::expandClicked()
+LicenseWidget::showLocalLicenseText()
 {
-    m_isExpanded = !m_isExpanded;
-    // Show/hide based on the new arrow direction.
-    if ( !m_fullTextContents.isEmpty() )
-    {
     if ( m_isExpanded )
     {
         m_licenceTextLabel->setText( m_fullTextContents );
     }
     else
     {
-            m_licenceTextLabel->setText( tr( "URL: %1" ).arg( m_entry.m_url.toDisplayString() ) );
+        QString fileName = m_entry.m_url.toDisplayString();
+        if ( fileName.startsWith( "file:" ) )
+        {
+            fileName = fileName.remove( 0, 5 );
         }
+        m_licenceTextLabel->setText( tr( "File: %1" ).arg( fileName ) );
+    }
+}
+
+void
+LicenseWidget::expandClicked()
+{
+    m_isExpanded = !m_isExpanded;
+    // Show/hide based on the new arrow direction.
+    if ( !m_fullTextContents.isEmpty() )
+    {
+        showLocalLicenseText();
     }
 
     updateExpandToolTip();

src/modules/license/LicenseWidget.h

@@ -38,6 +38,7 @@ public:
     void retranslateUi();
 
 private:
+    void showLocalLicenseText();  // Display (or hide) the local license text
     void expandClicked();  // "slot" to toggle show/hide of local license text
     void viewClicked();  // "slot" to open link
     void updateExpandToolTip();