shithub: puzzles

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Provide visual guide to the cursor location across the rows and columns.

--- a/pattern.c

+++ b/pattern.c

@@ -20,6 +20,7 @@

     COL_GRID,

     COL_CURSOR,

     COL_ERROR,

+    COL_CURSOR_GUIDE,

     NCOLOURS

 };

@@ -1658,11 +1659,12 @@

     frontend_default_colour(fe, &ret[COL_BACKGROUND * 3]);

     for (i = 0; i < 3; i++) {

-        ret[COL_GRID    * 3 + i] = 0.3F;

-        ret[COL_UNKNOWN * 3 + i] = 0.5F;

-        ret[COL_TEXT    * 3 + i] = 0.0F;

-        ret[COL_FULL    * 3 + i] = 0.0F;

-        ret[COL_EMPTY   * 3 + i] = 1.0F;

+        ret[COL_GRID         * 3 + i] = 0.3F;

+        ret[COL_UNKNOWN      * 3 + i] = 0.5F;

+        ret[COL_TEXT         * 3 + i] = 0.0F;

+        ret[COL_FULL         * 3 + i] = 0.0F;

+        ret[COL_EMPTY        * 3 + i] = 1.0F;

+        ret[COL_CURSOR_GUIDE * 3 + i] = 0.5F;

     }

     ret[COL_CURSOR * 3 + 0] = 1.0F;

     ret[COL_CURSOR * 3 + 1] = 0.25F;

@@ -1889,6 +1891,9 @@

      */

     for (i = 0; i < state->common->w + state->common->h; i++) {

         int colour = check_errors(state, i) ? COL_ERROR : COL_TEXT;

+        if (colour == COL_TEXT && ((cx >= 0 && i == cx) || (cy >= 0 && i == cy + ds->w))) {

+            colour = COL_CURSOR_GUIDE;

+        }

         if (ds->numcolours[i] != colour) {

             draw_numbers(dr, ds, state, i, true, colour);

             ds->numcolours[i] = colour;