Showing Legal Moves, and other uses of the mouse

When Show Legal Moves is enabled (as it is by default), then depressing the left mouse button over one of the pieces (of either side), highlights those squares to which the piece may legally move (actually, it shows a super-set of the legal moves, as such things as a protected Lion are not taken into consideration at this stage). The highlighting is coded according to the following criteria:

• If the piece can capture an opposing piece, then a coloured circle is drawn around the centre of the piece.
• If the piece can move to an empty square, then that square is filled with a solid, coloured circle.
• If the move consists of a Lion B move, then the circle is coloured light blue (cyan).
• If the move consists of a Lion A move, then the circle is coloured dark blue.
• If the move is made by a jump, (that is, a Phoenix or a Kylin is moving), then the circle is coloured red.
• Otherwise, the circle is coloured White.

When the middle mouse button is depressed (or the right button with the Ctrl button simultaneously held down), then the highlighting shows all the pieces that bear influence on the square concerned. The highlighting colour is based on the same principles as for the left button, but whether the circle is filled or not, depends upon whose turn it is.That is, the circle is filled with solid colour if the piece belongs to the side which gets to move next.

Which pieces bear influence on a square is determined by the Influence menu. The default is that all pieces that bear influence are highlighted (irrespective of intervening pieces). Alternatively, you may select pieces of one colour only, in which case only the pieces of that colour which could legally move to the square are highlighted.

The highlighting disappears when the mouse button is released.

When the right mouse button is depressed (and the Ctrl button is not simultaneously held down), the identity of the piece and it's promotion (if any) are displayed.

Whether Show Legal Moves is selected or not, depression of the mouse over a square, sometimes causes a coloured square to be drawn about the square. The colour is determined thus:

• When a piece is selected for moving, a red square is drawn around it. The square remains visible until until the piece moves, or is de-selected.
• When a piece is identified by the right mouse button, a blue square is drawn around the piece. The square remains visible until until another mouse click is made.
• When the influences on a square are identified, using the middle mouse button, a yellow square is drawn around the influenced square. The square remains visible until the mouse is released.

When the left mouse button is depressed whilst simultaneously holding down the Ctrl button, then the Edit Square facility is invoked.

When Tournament Mode is enabled, all these rules change.

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