Change Pearl's cursor logic.

[sgt-puzzles.git] / puzzles.but

diff --git a/puzzles.but b/puzzles.but
index 80727c603b6834a89408c63dab04f1f0b8334259..4ab0d0b5442f322c341adf5091b58a0385967ec1 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.
 
@@ -897,6 +898,10 @@ You can also move around the grid with the cursor keys. Pressing the
 return key will cycle the current cell through empty, then black, then
 white, then empty, and the space bar does the same cycle in reverse.
 
+Moving the cursor while holding Control will colour the moved-over
+squares black.  Holding Shift will colour the moved-over squares
+white, and holding both will colour them grey.
+
 (All the actions described in \k{common-actions} are also available.)
 
 \H{pattern-parameters} \I{parameters, for Pattern}Pattern parameters
@@ -1704,7 +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.)
 
@@ -2449,10 +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.)
 
@@ -2913,7 +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.)
 
@@ -2978,9 +2990,11 @@ turns, you might mark the one way it \e{can't} go with a cross.)
 
 Alternatively, use the cursor keys to move the cursor.  Use the Enter
 key to begin and end keyboard `drag' operations.  Use the Space key to
-cancel the drag.  Use Ctrl-arrowkey and Shift-arrowkey to simulate a
-left or right click, respectively, on the edge in the given direction
-relative to the cursor, i.e. to draw a segment or a cross.
+cancel the drag.  Or, hold Control while dragging with the cursor keys
+to toggle segments as you move between squares.
+
+Pressing Control-Shift-arrowkey or Shift-arrowkey simulates a left or
+right click, respectively, on the edge in the direction of the key.
 
 (All the actions described in \k{common-actions} are also available.)