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Palisade: add double-resolution cursor mode.

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This adds a "half-grid" cursor mode, settable via a preference, which
doubles the resolution of the keyboard cursor, so that it can be over a
square center, vertex, or edge. The cursor select buttons then toggle the
edge directly under the cursor.

There are two advantages to this new behavior. First, the game can now be
played with only the cursor keys, doing away with the need to hold Control
or Shift, which are not currently emulated on Rockbox. And second, the new
interface is arguably more discoverable than the legacy mode,
which is still retained as a user preference.
This commit is contained in:
Franklin Wei
2024-07-23 05:49:04 -04:00
committed by Simon Tatham
parent 72ff127404
commit 62c0e0dcc9
2 changed files with 170 additions and 24 deletions
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puzzles.but
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@ -3519,10 +3519,15 @@ Palisade was contributed to this collection by Jonas K\u00F6{oe}lker.
\H{palisade-controls} \I{controls, for Palisade}Palisade controls
Left-click to place an edge. Right-click to indicate \q{no edge}.
Alternatively, the arrow keys will move a keyboard cursor. Holding
Control while pressing an arrow key will place an edge. Press
Shift-arrowkey to switch off an edge. Repeat an action to perform
its inverse.
Alternatively, the arrow keys will move a keyboard cursor. Depending
on the \q{Cursor mode} preference (see \k{palisade-prefs}), the cursor
will either navigate among the grid squares, or along their
borders. In \q{Full-grid} mode, hold Control while pressing an arrow
key to place an edge, and press Shift-arrowkey to switch off an
edge. In \q{Half-grid} mode, press Enter to place an edge, and Space
to switch off an edge. In either mode, you can repeat an action to
perform its inverse.
(All the actions described in \k{common-actions} are also available.)
@ -3539,6 +3544,13 @@ These parameters are available from the \q{Custom...} option on the
\dd The size of the regions into which the grid must be subdivided.
\H{palisade-prefs} \I{preferences, for Palisade}Palisade user preferences
On platforms that support user preferences, the \q{Preferences} option
on the \q{Game} menu will let you configure the behavior of the cursor
keys to either navigate among full grid squares, or along the borders
of the grid squares.
\C{mosaic} \i{Mosaic}
\cfg{winhelp-topic}{games.mosaic}