Refactor modifier handling in Pearl's cursor code.

[sgt-puzzles.git] / puzzles.but

diff --git a/puzzles.but b/puzzles.but
index ef96ad18c6f982028589259bf8559e83cb56e2d1..65782af8145c8b4d252f15ab8c411cc48e78dd8b 100644 (file)
--- a/puzzles.but
+++ b/puzzles.but
@@ -786,7 +786,8 @@ 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.
+rectangle without affecting its edges, as above. Pressing escape
+cancels a drag.
 
 When a rectangle of the correct size is completed, it will be shaded.
 
@@ -1708,7 +1709,10 @@ the game entirely with one button if you need to.)
 
 You can also use the cursor keys to move around the grid. Pressing the
 return or space keys will place a \cw{\\} or a \cw{/}, respectively,
-and will then cycle them as above.
+and will then cycle them as above.  You can also press \cw{/} or
+\cw{\\} to place a \cw{/} or \cw{\\}, respectively, independent of
+what is already in the cursor square.  Backspace removes any line from
+the cursor square.
 
 (All the actions described in \k{common-actions} are also available.)
 
@@ -2453,10 +2457,11 @@ press 0, Space, Backspace or Enter to clear it again (or use the Undo
 feature).
 
 You can also move around the grid with the cursor keys; typing a digit will
-fill the square containing the cursor with that number, or typing 0, Space,
-or Enter will clear it. You can also select multiple squares for numbering
-or clearing by using the return key, before typing a digit to fill in the
-highlighted squares (as above).
+fill the square containing the cursor with that number; typing 0 will clear
+it.  You can also select multiple squares for numbering or clearing with the
+return and arrow keys, before typing a digit to fill or clear the highlighted
+squares (as above).  The space bar adds and removes single squares to and from
+the selection.  Backspace and escape remove all squares from the selection.
 
 (All the actions described in \k{common-actions} are also available.)
 
@@ -2917,7 +2922,10 @@ dotted or empty) in opposite directions.
 
 You can also use the cursor keys to move around the grid squares.
 Pressing Return does the same as clicking with the left button, while
-pressing Space does the same as a right button click.
+pressing Space does the same as a right button click.  Moving with the
+cursor keys while holding Shift will place dots in all squares that
+are moved through.
+
 
 (All the actions described in \k{common-actions} are also available.)