/** Show previous news item */
void ShowLastNewsMessage()
{
if (_total_news == 0) {
return;
} else if (_forced_news == NULL) {
/* Not forced any news yet, show the current one, unless a news window is
* open (which can only be the current one), then show the previous item */
const Window *w = FindWindowById(WC_NEWS_WINDOW, 0);
ShowNewsMessage((w == NULL || (_current_news == _oldest_news)) ? _current_news : _current_news->prev);
} else if (_forced_news == _oldest_news) {
/* We have reached the oldest news, start anew with the latest */
ShowNewsMessage(_latest_news);
} else {
/* 'Scrolling' through news history show each one in turn */
ShowNewsMessage(_forced_news->prev);
}
}
virtual void OnClick(Point pt, int widget, int click_count)
{
if (widget == WID_MH_BACKGROUND) {
NewsItem *ni = _latest_news;
if (ni == NULL) return;
for (int n = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_MH_BACKGROUND, WD_FRAMERECT_TOP, this->line_height); n > 0; n--) {
ni = ni->prev;
if (ni == NULL) return;
}
ShowNewsMessage(ni);
}
}
virtual void OnClick(Point pt, int widget, int click_count)
{
if (widget == MHW_BACKGROUND) {
NewsItem *ni = _latest_news;
if (ni == NULL) return;
for (int n = (pt.y - this->GetWidget<NWidgetBase>(MHW_BACKGROUND)->pos_y - WD_FRAMERECT_TOP) / this->line_height + this->vscroll.GetPosition(); n > 0; n--) {
ni = ni->prev;
if (ni == NULL) return;
}
ShowNewsMessage(ni);
}
}
/** Show previous news item */
void ShowLastNewsMessage()
{
const NewsItem *ni = NULL;
if (_total_news == 0) {
return;
} else if (_forced_news == NULL) {
/* Not forced any news yet, show the current one, unless a news window is
* open (which can only be the current one), then show the previous item */
if (_current_news == NULL) {
/* No news were shown yet resp. the last shown one was already deleted.
* Threat this as if _forced_news reached _oldest_news; so, wrap around and start anew with the latest. */
ni = _latest_news;
} else {
const Window *w = FindWindowById(WC_NEWS_WINDOW, 0);
ni = (w == NULL || (_current_news == _oldest_news)) ? _current_news : _current_news->prev;
}
} else if (_forced_news == _oldest_news) {
/* We have reached the oldest news, start anew with the latest */
ni = _latest_news;
} else {
/* 'Scrolling' through news history show each one in turn */
ni = _forced_news->prev;
}
bool wrap = false;
for (;;) {
if (_news_type_data[ni->type].GetDisplay() != ND_OFF) {
ShowNewsMessage(ni);
break;
}
ni = ni->prev;
if (ni == NULL) {
if (wrap) break;
/* We have reached the oldest news, start anew with the latest */
ni = _latest_news;
wrap = true;
}
}
}
