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-rw-r--r--src/news_gui.c39
1 files changed, 29 insertions, 10 deletions
diff --git a/src/news_gui.c b/src/news_gui.c
index 7400ac1e4..77098744d 100644
--- a/src/news_gui.c
+++ b/src/news_gui.c
@@ -287,6 +287,9 @@ void AddNewsItem(StringID string, uint32 flags, uint data_a, uint data_b)
_oldest_news = increaseIndex(_oldest_news);
}
+ /*DEBUG(misc, 0) ("+cur %3d, old %2d, lat %3d, for %3d, tot %2d",
+ _current_news, _oldest_news, _latest_news, _forced_news, _total_news); */
+
{ /* Add news to _latest_news */
Window *w;
NewsItem *ni = &_news_items[_latest_news];
@@ -314,7 +317,7 @@ void AddNewsItem(StringID string, uint32 flags, uint data_a, uint data_b)
}
-// don't show item if it's older than x days
+/* Don't show item if it's older than x days, corresponds with NewsType in news.h */
static const byte _news_items_age[] = {60, 60, 90, 60, 90, 30, 150, 30, 90, 180};
static const Widget _news_type13_widgets[] = {
@@ -438,6 +441,10 @@ static void ShowNewspaper(NewsItem *ni)
break;
}
}
+
+ /*DEBUG(misc, 0) (" cur %3d, old %2d, lat %3d, for %3d, tot %2d",
+ _current_news, _oldest_news, _latest_news, _forced_news, _total_news); */
+
WP(w, news_d).ni = &_news_items[_forced_news == INVALID_NEWS ? _current_news : _forced_news];
w->flags4 |= WF_DISABLE_VP_SCROLL;
}
@@ -885,9 +892,9 @@ void DeleteVehicleNews(VehicleID vid, StringID news)
if (_forced_news == n || _current_news == n) MoveToNextItem();
_total_news--;
- // If this is the last news item, invalidate _latest_news
- if (_latest_news == _oldest_news) {
- assert(_total_news == 0);
+ /* If this is the last news item, invalidate _latest_news */
+ if (_total_news == 0) {
+ assert(_latest_news == _oldest_news);
_latest_news = INVALID_NEWS;
}
@@ -898,18 +905,30 @@ void DeleteVehicleNews(VehicleID vid, StringID news)
* [------O--------n-----L--]
* will become (change dramatized to make clear)
* [---------O-----------L--]
- * Also update the current news item in case it was pointing to the
- * oldest, now shifted item */
+ * We also need an update of the current, forced and visible (open window)
+ * news's as this shifting could change the items they were pointing to */
if (_total_news != 0) {
- NewsID i;
- for (i = n; i != _oldest_news; i = decreaseIndex(i)) {
+ NewsID i, visible_news;
+ w = FindWindowById(WC_NEWS_WINDOW, 0);
+ visible_news = (w != NULL) ? (NewsID)(WP(w, news_d).ni - _news_items) : INVALID_NEWS;
+
+ i = n;
+ do {
_news_items[i] = _news_items[decreaseIndex(i)];
- }
- if (_current_news == _oldest_news) _current_news = increaseIndex(_current_news);
+ if (i == _current_news) _current_news = increaseIndex(_current_news);
+ if (i == _forced_news) _forced_news = increaseIndex(_forced_news);
+ if (i == visible_news) WP(w, news_d).ni = &_news_items[increaseIndex(visible_news)];
+
+ i = decreaseIndex(i);
+ } while (i != _oldest_news);
+
_oldest_news = increaseIndex(_oldest_news);
}
+ /*DEBUG(misc, 0) ("-cur %3d, old %2d, lat %3d, for %3d, tot %2d",
+ _current_news, _oldest_news, _latest_news, _forced_news, _total_news); */
+
w = FindWindowById(WC_MESSAGE_HISTORY, 0);
if (w != NULL) {
SetWindowDirty(w);