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Patch from James H to add keyboard control in Sixteen and Netslide

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(and also belatedly document the keyboard support in Unequal).

[originally from svn r8432]
This commit is contained in:
Simon Tatham
2009-01-26 19:14:44 +00:00
parent d2b0d8cf3f
commit cc0f957d82
5 changed files with 230 additions and 50 deletions
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29
misc.c
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@ -280,6 +280,35 @@ int c2pos(int w, int h, int cx, int cy)
return -1; /* not reached */
}
int c2diff(int w, int h, int cx, int cy, int button)
{
int diff = 0;
assert(IS_CURSOR_MOVE(button));
/* Obvious moves around edge. */
if (cy == -1)
diff = (button == CURSOR_RIGHT) ? +1 : (button == CURSOR_LEFT) ? -1 : diff;
if (cy == h)
diff = (button == CURSOR_RIGHT) ? -1 : (button == CURSOR_LEFT) ? +1 : diff;
if (cx == -1)
diff = (button == CURSOR_UP) ? +1 : (button == CURSOR_DOWN) ? -1 : diff;
if (cx == w)
diff = (button == CURSOR_UP) ? -1 : (button == CURSOR_DOWN) ? +1 : diff;
if (button == CURSOR_LEFT && cx == w && (cy == 0 || cy == h-1))
diff = (cy == 0) ? -1 : +1;
if (button == CURSOR_RIGHT && cx == -1 && (cy == 0 || cy == h-1))
diff = (cy == 0) ? +1 : -1;
if (button == CURSOR_DOWN && cy == -1 && (cx == 0 || cx == w-1))
diff = (cx == 0) ? -1 : +1;
if (button == CURSOR_UP && cy == h && (cx == 0 || cx == w-1))
diff = (cx == 0) ? +1 : -1;
debug(("cx,cy = %d,%d; w%d h%d, diff = %d", cx, cy, w, h, diff));
return diff;
}
void pos2c(int w, int h, int pos, int *cx, int *cy)
{
int max = w+h+w+h;