Ref T84, fix for better readibility of news / hyperlinks

* adjust palette to change link color: hardcoded, but no other way per stylesheet
* stylesheet fix to avoid black font in table view (CTRL S)

Remark:
Currently we just display the blog page as news, which is not correctly formatted, but somehow works.
In the future we might use a tailored HTML page for that.

src/blackgui/guiapplication.cpp

@@ -79,6 +79,7 @@ namespace BlackGui
         {
             CGuiApplication::registerMetadata();
             CApplication::init(false); // base class without metadata
+            CGuiApplication::adjustPalette();
             this->setWindowIcon(icon);
             this->settingsChanged();
             sGui = this;
@@ -665,4 +666,16 @@ namespace BlackGui
     {
         this->checkNewVersion(false);
     }
+
+    void CGuiApplication::adjustPalette()
+    {
+        // only way to change link color
+        // https://stackoverflow.com/q/5497799/356726
+        // Ref T84
+        QPalette newPalette(qApp->palette());
+        const QColor linkColor(135, 206, 250);
+        newPalette.setColor(QPalette::Link, linkColor);
+        newPalette.setColor(QPalette::LinkVisited, linkColor);
+        qApp->setPalette(newPalette);
+    }
 } // ns

src/blackgui/guiapplication.h

@@ -229,6 +229,9 @@ namespace BlackGui
 
         //! Check new from menu
         void checkNewVersionMenu();
+
+        //! Fix the palette for better readibility
+        void adjustPalette();
     };
 } // ns
 

src/blackgui/share/qss/stdwidget.qss

@@ -534,8 +534,10 @@ QTableView, QTreeView, QListView {
   padding:0px;
 }
 
+/** explicitly setting font color avoids black when pressing CTRL-S **/
 QTableView::item:selected {
   background-color: blue;
+  color: white;
 }
 
 QTreeView {

src/blackgui/share/qss/swiftlauncher.qss

@@ -1,7 +1,8 @@
-/** Works around two issues on Mac OS
+/**
+Works around two issues on Mac OS
  1. The launcher dialog was entirely transparent
  2. Transparency caused the QToolBox labels to be broken
-*/
+**/
 QStackedWidget#sw_SwiftLauncher {
   background-image: url(:/textures/icons/textures/texture-inner.jpg);
 }