Refactoring: modernize TooltipManager class and source reference lists

- Tooltips are now collected per file instead of globally
- Source reference lists now use STL containers

1 files changed, 13 insertions, 9 deletions

diff --git a/src/tooltip.h b/src/tooltip.h
index 170ea3c..3517b5d 100644
--- a/src/tooltip.h
+++ b/src/tooltip.h
@@ -1,10 +1,10 @@
 /******************************************************************************
  *
- * Copyright (C) 1997-2015 by Dimitri van Heesch.
+ * Copyright (C) 1997-2020 by Dimitri van Heesch.
  *
  * Permission to use, copy, modify, and distribute this software and its
- * documentation under the terms of the GNU General Public License is hereby 
- * granted. No representations are made about the suitability of this software 
+ * documentation under the terms of the GNU General Public License is hereby
+ * granted. No representations are made about the suitability of this software
  * for any purpose. It is provided "as is" without express or implied warranty.
  * See the GNU General Public License for more details.
  *
@@ -15,23 +15,27 @@
 #ifndef TOOLTIP_H
 #define TOOLTIP_H
 
+#include <memory>
+
 class Definition;
 class CodeOutputInterface;
 
+//! Class that manages the tooltips for a source file
 class TooltipManager
 {
   public:
-    static TooltipManager *instance();
-    void clearTooltips();
+    TooltipManager();
+   ~TooltipManager();
+
+    /** add a tooltip for a given symbol definition */
     void addTooltip(const Definition *d);
+
+    /** write the list of all collected tooltip to the given outputs */
     void writeTooltips(CodeOutputInterface &ol);
 
   private:
     class Private;
-    Private *p;
-    TooltipManager();
-   ~TooltipManager();
-    static TooltipManager *s_theInstance;
+    std::unique_ptr<Private> p;
 };
 
 #endif