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Sanity check yOffset. Fixes problem where a scrolled board in

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landscape mode is displayed in portrait with the top rows missing
though no scrolling should be needed.
This commit is contained in:
ehouse 2010-01-15 13:51:29 +00:00
parent f9c9b41b3a
commit a7d4d20998
1 changed files with 11 additions and 1 deletions
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12
xwords4/common/board.c
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@ -1533,9 +1533,19 @@ figureBoardRect( BoardCtxt* board )
if ( boardVScale > 0 ) {
XP_Rect boardBounds = board->boardBounds;
XP_U16 nVisible;
XP_U16 nRows = model_numRows( board->model );
/* Sanity-check yOffset */
if ( 0 < board->yOffset ) {
XP_S16 maxOffset = nRows -
((board->trayBounds.top - boardBounds.top) / board->boardVScale);
if ( (maxOffset >= 0) && (maxOffset < board->yOffset) ) {
board->yOffset = maxOffset;
}
}
boardBounds.width = model_numCols( board->model ) * board->boardHScale;
boardBounds.height = (model_numRows( board->model ) - board->yOffset)
boardBounds.height = (nRows - board->yOffset)
* board->boardVScale;
if ( board->boardObscuresTray ) {