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// 13 december 2014
// damn winsock
static void doselect(struct table *t, intptr_t row, intptr_t column)
{
RECT r, client;
intptr_t oldrow;
LONG height;
oldrow = t->selectedRow;
t->selectedRow = row;
t->selectedColumn = column;
// TODO scroll to ensure the full cell is visible
// now redraw the old and new /rows/
if (GetClientRect(t->hwnd, &client) == 0)
panic("error getting Table client rect in doselect()");
client.top += t->headerHeight;
height = rowht(t);
r.left = client.left;
r.right = client.right;
if (oldrow != -1 && oldrow >= t->vscrollpos) {
r.top = client.top + ((oldrow - t->vscrollpos) * height);
r.bottom = r.top + height;
if (InvalidateRect(t->hwnd, &r, TRUE) == 0)
panic("error queueing previously selected row for redraw in doselect()");
}
// t->selectedRow must be visible by this point; we scrolled to it
if (t->selectedRow != -1 && t->selectedRow != oldrow) {
r.top = client.top + ((t->selectedRow - t->vscrollpos) * height);
r.bottom = r.top + height;
if (InvalidateRect(t->hwnd, &r, TRUE) == 0)
panic("error queueing newly selected row for redraw in doselect()");
}
}
// TODO which WM_xBUTTONDOWNs?
HANDLER(mouseDownSelectHandler)
{
struct rowcol rc;
rc = lParamToRowColumn(t, lParam);
// don't check if lParamToRowColumn() returned row -1 or column -1; we want deselection behavior
doselect(t, rc.row, rc.column);
*lResult = 0;
return TRUE;
}
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