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Actually return no selection in clientCoordToRowColumn() correctly. Part 2 of previous commit.

This commit is contained in:
Pietro Gagliardi 2014-12-16 18:46:19 -05:00
parent b9c46d4cdf
commit e31fd24a99
1 changed files with 10 additions and 6 deletions
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16
wintable/new/coord.h
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@ -39,19 +39,17 @@ static struct rowcol clientCoordToRowColumn(struct table *t, POINT pt)
struct rowcol rc;
intptr_t i;
// initial values for the PtInRect() check
rc.row = -1;
rc.column = -1;
if (GetClientRect(t->hwnd, &r) == 0)
panic("error getting Table client rect in clientCoordToRowColumn()");
r.top += t->headerHeight;
if (PtInRect(&r, pt) == 0)
return rc;
goto outside;
// the row is easy
pt.y -= t->headerHeight;
rc.row = (pt.y / rowht(t)) + t->vscrollpos;
if (rc.row >= t->count)
goto outside;
// the column... not so much
// we scroll p.x, then subtract column widths until we cross the left edge of the control
@ -69,9 +67,15 @@ static struct rowcol clientCoordToRowColumn(struct table *t, POINT pt)
break;
rc.column++;
}
// TODO what happens if the break was never taken?
if (rc.column >= t->nColumns)
goto outside;
return rc;
outside:
rc.row = -1;
rc.column = -1;
return rc;
}
// same as client coordinates, but stored in a lParam (like the various mouse messages provide)