andlabs-ui/wintable/api.h

// 29 november 2014

static void addColumn(struct table *t, WPARAM wParam, LPARAM lParam)
{
	HDITEMW item;

	if (((int) wParam) >= nTableColumnTypes)
		abort();

	t->nColumns++;
	t->columnTypes = (int *) realloc(t->columnTypes, t->nColumns * sizeof (int));
	if (t->columnTypes == NULL)
		abort();
	t->columnTypes[t->nColumns - 1] = (int) wParam;

	ZeroMemory(&item, sizeof (HDITEMW));
	item.mask = HDI_WIDTH | HDI_TEXT | HDI_FORMAT;
	item.cxy = 200;		// TODO
	item.pszText = (WCHAR *) lParam;
	item.fmt = HDF_LEFT | HDF_STRING;
	if (SendMessage(t->header, HDM_INSERTITEM, (WPARAM) (t->nColumns - 1), (LPARAM) (&item)) == (LRESULT) (-1))
		abort();
	// TODO resize(t)?
	redrawAll(t);
}

HANDLER(API)
{
	switch (uMsg) {
	case WM_SETFONT:
		t->font = (HFONT) wParam;
		if (t->font == NULL)
			t->font = t->defaultFont;
		// also set the header font
		SendMessageW(t->header, WM_SETFONT, wParam, lParam);
		if (LOWORD(lParam) != FALSE) {
			// the scrollbar page size will change so redraw that too
			// also recalculate the header height
			// TODO do that when this is FALSE too somehow
			resize(t);
			redrawAll(t);
		}
		*lResult = 0;
		return TRUE;
	case WM_GETFONT:
		*lResult = (LRESULT) t->font;
		return TRUE;
	case tableAddColumn:
		addColumn(t, wParam, lParam);
		*lResult = 0;
		return TRUE;
	}
	return FALSE;
}