From ad7c2eccc34abc3208d4a00d425945d509d0a2d1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20G=C3=BCnther?= <tom@toms-cafe.de>
Date: Sun, 6 Jan 2008 20:43:20 +0100
Subject: Show possible numbers as pattern

---
 menu.cpp | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

(limited to 'menu.cpp')

diff --git a/menu.cpp b/menu.cpp
index 6fbe293..848b40c 100644
--- a/menu.cpp
+++ b/menu.cpp
@@ -17,7 +17,7 @@
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- * $Id: menu.cpp 106 2007-12-03 23:28:24Z tom $
+ * $Id: menu.cpp 109 2008-01-06 19:43:20Z tom $
  */
 
 #include "menu.h"
@@ -53,6 +53,8 @@ using namespace Sudoku;
 #define MARKED_BG       clrGreen
 #define GIVEN_FG        clrBlack
 #define GIVEN_BG        clrCyan
+#define POSSIBLE_FG     clrBlack
+#define POSSIBLE_BG(n)  (((n) % 2) ? clrYellow : 0xFF8C00 /* darkorange */)
 
 
 //--- class SudokuPlugin::Menu -------------------------------------------------
@@ -210,6 +212,22 @@ void Menu::paint()
       const cFont* font = cFont::GetFont(fontFix);
       osd->DrawText(x1, y1, txt, fg, bg, font, CELL_SIZE, CELL_SIZE, taCenter);
     }
+    else if (setup.show_possibles_pattern)
+    {
+      for (unsigned int n = 1; n <= DIM; ++n)
+      {
+        if (puzzle.possible_number(p, n))
+        {
+          int x3 = x1 + (((n - 1) % RDIM) * CELL_SIZE) / RDIM;
+          int y3 = y1 + (((n - 1) / RDIM) * CELL_SIZE) / RDIM;
+          int x4 = x1 + (((n - 1) % RDIM + 1) * CELL_SIZE) / RDIM - 1;
+          int y4 = y1 + (((n - 1) / RDIM + 1) * CELL_SIZE) / RDIM - 1;
+          fg = TRANS(POSSIBLE_FG, trans);
+          bg = TRANS(POSSIBLE_BG(n), trans);
+          osd->DrawRectangle(x3, y3, x4, y4, bg);
+        }
+      }
+    }
   }
 
   // Paint the cursor.
-- 
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