Keyboard cursor support for Tents, from James H.

[sgt/puzzles] / puzzles.but

diff --git a/puzzles.but b/puzzles.but
index b35dfc0..60b675c 100644 (file)
--- a/puzzles.but
+++ b/puzzles.but
@@ -761,11 +761,19 @@ specification.
 
 \H{rectangles-controls} \I{controls, for Rectangles}Rectangles controls
 
-This game is played with the mouse.
+This game is played with the mouse or cursor keys.
+
+Left-click any edge to toggle it on or off, or left-click and drag to draw
+an entire rectangle (or line) on the grid in one go (removing any existing
+edges within that rectangle). Right-clicking and dragging will allow you
+to erase the contents of a rectangle without affecting its edges. 
 
-Left-click any edge to toggle it on or off, or click and drag to draw
-an entire rectangle (or line) on the grid in one go (removing any
-existing edges within that rectangle).
+Alternatively, use the cursor keys to move the position indicator
+around the board. Pressing the return key then allows you to use the
+cursor keys to drag a rectangle out from that position, and pressing
+the return key again completes the rectangle. Using the space bar
+instead of the return key allows you to erase the contents of a
+rectangle without affecting its edges, as above.
 
 When a rectangle of the correct size is completed, it will be shaded.
 
@@ -1998,6 +2006,11 @@ blank square in the region you cover will be turned green, and no
 other squares will be affected. (This is useful for clearing the
 remainder of a row once you have placed all its tents.)
 
+You can also use the cursor keys to move around the grid. Pressing the
+return key over an empty square will place a tent, and pressing the
+space bar over an empty square will colour it green; either key will
+clear an occupied square.
+
 (All the actions described in \k{common-actions} are also available.)
 
 \H{tents-parameters} \I{parameters, for Tents}Tents parameters
@@ -2263,6 +2276,13 @@ them, or destroy them by dropping them off the edge of the grid.
 pick it up and move it around to make it clearer. It will swivel
 constantly as you drag it, to stay pointed at its parent dot.)
 
+You can also use the cursor keys to move around the grid squares and
+lines.  Pressing the return key when over a grid line will draw or
+clear its edge, as above. Pressing the return key when over a dot will
+pick up an arrow, to be dropped the nest time the return key is
+pressed; this can also be used to move existing arrows around, removing
+them by dropping them on a dot or another arrow.
+
 (All the actions described in \k{common-actions} are also available.)
 
 \H{galaxies-parameters} \I{parameters, for Galaxies}Galaxies parameters