[PATCH setup 01/13] Change packagemeta::_actions to an enum

[Jon Turney <jon dot turney at dronecode dot org dot uk>]

---
 PickCategoryLine.cc |  6 +++---
 package_meta.cc     | 35 +++++++----------------------------
 package_meta.h      | 29 +++++++++--------------------
 3 files changed, 19 insertions(+), 51 deletions(-)

diff --git a/PickCategoryLine.cc b/PickCategoryLine.cc
index 24fecb3..e428419 100644
--- a/PickCategoryLine.cc
+++ b/PickCategoryLine.cc
@@ -55,7 +55,8 @@ PickCategoryLine::paint (HDC hdc, HRGN hUpdRgn, int x, int y, int row, int show_
       
       // draw the caption ('Default', 'Install', etc)
       TextOut (hdc, spin_x + SPIN_WIDTH + ICON_MARGIN, r, 
-               current_default.caption (), strlen (current_default.caption ()));
+               packagemeta::action_caption (current_default),
+               strlen (packagemeta::action_caption (current_default)));
       row++;
     }
   if (collapsed)
@@ -110,8 +111,7 @@ PickCategoryLine::click (int const myrow, int const ClickedRow, int const x)
     {
       if ((size_t) x >= spin_x)
 	{
-	  ++current_default;
-	  
+	  current_default = (packagemeta::_actions)((current_default + 1) % 4);
 	  return set_action (current_default);
 	}
       else
diff --git a/package_meta.cc b/package_meta.cc
index f765baf..dffe3ac 100644
--- a/package_meta.cc
+++ b/package_meta.cc
@@ -54,35 +54,22 @@ bool hasManualSelections = 0;
 
 /*****************/
 
-const
-  packagemeta::_actions
-packagemeta::Default_action (0);
-const
-  packagemeta::_actions
-packagemeta::Install_action (1);
-const
-  packagemeta::_actions
-packagemeta::Reinstall_action (2);
-const
-  packagemeta::_actions
-packagemeta::Uninstall_action (3);
-
 char const *
-packagemeta::_actions::caption ()
+packagemeta::action_caption (_actions _value)
 {
   switch (_value)
     {
-    case 0:
+    case Default_action:
       return "Default";
-    case 1:
+    case Install_action:
       return "Install";
-    case 2:
+    case Reinstall_action:
       return "Reinstall";
-    case 3:
+    case Uninstall_action:
       return "Uninstall";
     }
-  // Pacify GCC: (all case options are checked above)
-  return 0;
+
+  return "Unknown";
 }
 
 packagemeta::packagemeta (packagemeta const &rhs) :
@@ -96,14 +83,6 @@ packagemeta::packagemeta (packagemeta const &rhs) :
   
 }
 
-packagemeta::_actions & packagemeta::_actions::operator++ ()
-{
-  ++_value;
-  if (_value > 3)
-    _value = 0;
-  return *this;
-}
-
 template<class T> struct removeCategory : public unary_function<T, void>
 {
   removeCategory(packagemeta *pkg) : _pkg (pkg) {}
diff --git a/package_meta.h b/package_meta.h
index 8db10e2..df66bda 100644
--- a/package_meta.h
+++ b/package_meta.h
@@ -50,26 +50,15 @@ public:
   void setDefaultCategories();
   void addToCategoryAll();
 
-  class _actions
-  {
-  public:
-    _actions ():_value (0) {};
-    _actions (int aInt) {
-    _value = aInt;
-    if (_value < 0 ||  _value > 3)
-      _value = 0;
-    }
-    _actions & operator ++ ();
-    bool operator == (_actions const &rhs) { return _value == rhs._value; }
-    bool operator != (_actions const &rhs) { return _value != rhs._value; }
-    const char *caption ();
-  private:
-    int _value;
-  };
-  static const _actions Default_action;
-  static const _actions Install_action;
-  static const _actions Reinstall_action;
-  static const _actions Uninstall_action;
+  enum _actions
+    {
+     Default_action,
+     Install_action,
+     Reinstall_action,
+     Uninstall_action,
+    };
+  static const char *action_caption (_actions value);
+
   void set_action (trusts const t);
   void set_action (_actions, packageversion const & default_version);
 
-- 
2.17.0