[gnome-sudoku] Reset earmark_pickers when clearing board.

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 36bd74366cdc9ce5bd953f924060d5810e1ae428
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Mon Sep 1 18:32:42 2014 +0200

    Reset earmark_pickers when clearing board.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=735494

 lib/sudoku-game.vala  |    1 -
 src/gnome-sudoku.vala |    1 +
 src/sudoku-view.vala  |   14 ++++++++++++++
 3 files changed, 15 insertions(+), 1 deletions(-)
---
diff --git a/lib/sudoku-game.vala b/lib/sudoku-game.vala
index b32ff32..5817749 100644
--- a/lib/sudoku-game.vala
+++ b/lib/sudoku-game.vala
@@ -79,7 +79,6 @@ public class SudokuGame : Object
                 }
             }
         }
-        board.earmarks = new bool[board.rows, board.cols, board.max_val];
     }
 
     public void cell_changed_cb (int row, int col, int old_val, int new_val)
diff --git a/src/gnome-sudoku.vala b/src/gnome-sudoku.vala
index b86f957..ba4b25f 100644
--- a/src/gnome-sudoku.vala
+++ b/src/gnome-sudoku.vala
@@ -322,6 +322,7 @@ public class Sudoku : Gtk.Application
         dialog.response.connect ((response_id) => {
             if (response_id == ResponseType.OK)
             {
+                view.clear ();
                 game.reset ();
                 undo_action.set_enabled (false);
                 redo_action.set_enabled (false);
diff --git a/src/sudoku-view.vala b/src/sudoku-view.vala
index 50dc60d..8773d5d 100644
--- a/src/sudoku-view.vala
+++ b/src/sudoku-view.vala
@@ -346,6 +346,13 @@ private class SudokuCellView : Gtk.DrawingArea
             notify_property ("value");
         }
     }
+
+    public void clear ()
+    {
+        if (earmark_picker != null)
+            for (var i = 0; i < game.board.max_val; i++)
+                earmark_picker.set_earmark (row, col, i, false);
+    }
 }
 
 public class SudokuView : Gtk.AspectFrame
@@ -512,6 +519,13 @@ public class SudokuView : Gtk.AspectFrame
         return false;
     }
 
+    public void clear ()
+    {
+        for (var i = 0; i < game.board.rows; i++)
+            for (var j = 0; j < game.board.cols; j++)
+                cells[i,j].clear ();
+    }
+
     private bool _show_warnings = false;
     public bool show_warnings
     {