[gnome-sudoku] Make SudokuGenerator methods static

[Michael Catanzaro <mcatanzaro src gnome org>]

commit f659e9c8283e2e9a3e566ebf33075c1745724845
Author: Parin Porecha <parinporecha gmail com>
Date:   Wed Aug 6 16:56:23 2014 +0200

    Make SudokuGenerator methods static

 lib/sudoku-generator.vala |    6 +++---
 src/gnome-sudoku.vala     |   10 ++++------
 2 files changed, 7 insertions(+), 9 deletions(-)
---
diff --git a/lib/sudoku-generator.vala b/lib/sudoku-generator.vala
index e5707f7..bde2107 100644
--- a/lib/sudoku-generator.vala
+++ b/lib/sudoku-generator.vala
@@ -2,10 +2,10 @@
 
 public class SudokuGenerator : Object
 {
-    public SudokuGenerator () {
+    private SudokuGenerator () {
     }
 
-    public SudokuBoard generate_board (DifficultyCategory category)
+    public static SudokuBoard generate_board (DifficultyCategory category)
     {
         var board = new SudokuBoard ();
         int[] puzzle = QQwing.generate_puzzle ((int) category);
@@ -22,7 +22,7 @@ public class SudokuGenerator : Object
         return board;
     }
 
-    public void print_stats (SudokuBoard board)
+    public static void print_stats (SudokuBoard board)
     {
         var cells = board.get_cells ();
         var puzzle = new int[board.rows * board.cols];
diff --git a/src/gnome-sudoku.vala b/src/gnome-sudoku.vala
index a5c8724..1cfdf4a 100644
--- a/src/gnome-sudoku.vala
+++ b/src/gnome-sudoku.vala
@@ -24,7 +24,6 @@ public class Sudoku : Gtk.Application
     private Button back_button;
 
     private SudokuStore sudoku_store;
-    private SudokuGenerator generator;
     private SudokuSaver saver;
 
     private SimpleAction undo_action;
@@ -142,7 +141,6 @@ public class Sudoku : Gtk.Application
         print_action = (SimpleAction) lookup_action ("print");
 
         sudoku_store = new SudokuStore ();
-        generator = new SudokuGenerator ();
         saver = new SudokuSaver ();
 
         var savegame = saver.get_savedgame ();
@@ -151,7 +149,7 @@ public class Sudoku : Gtk.Application
         else
         {
             var random_difficulty = (DifficultyCategory) Random.int_range (0, 4);
-            start_game (generator.generate_board (random_difficulty));
+            start_game (SudokuGenerator.generate_board (random_difficulty));
         }
 
         window.show ();
@@ -218,7 +216,7 @@ public class Sudoku : Gtk.Application
                 switch (response_id)
                 {
                     case 0:
-                        start_game (generator.generate_board (board.difficulty_category));
+                        start_game (SudokuGenerator.generate_board (board.difficulty_category));
                         break;
                     case 1:
                         // FIXME - This looks hack-ish
@@ -227,7 +225,7 @@ public class Sudoku : Gtk.Application
                             if (i != (int) board.difficulty_category)
                                 new_range += (DifficultyCategory) i;
 
-                        start_game (generator.generate_board (new_range[Random.int_range (0, 3)]));
+                        start_game (SudokuGenerator.generate_board (new_range[Random.int_range (0, 3)]));
                         break;
                 }
                 dialog.destroy ();
@@ -254,7 +252,7 @@ public class Sudoku : Gtk.Application
         // has been set to integers corresponding to the enums.
         // Following line converts those ints to their DifficultyCategory
         var selected_difficulty = (DifficultyCategory) difficulty.get_int32 ();
-        start_game (generator.generate_board (selected_difficulty));
+        start_game (SudokuGenerator.generate_board (selected_difficulty));
     }
 
     private void reset_cb ()