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-rw-r--r--src/rail_gui.cpp34
1 files changed, 32 insertions, 2 deletions
diff --git a/src/rail_gui.cpp b/src/rail_gui.cpp
index 7f69ccb99..228ddc99b 100644
--- a/src/rail_gui.cpp
+++ b/src/rail_gui.cpp
@@ -796,16 +796,31 @@ static void StationBuildWndProc(Window *w, WindowEvent *e)
case 8:
case 9:
case 10:
- case 11:
+ case 11: {
RaiseWindowWidget(w, _railstation.numtracks + 4);
RaiseWindowWidget(w, 19);
+
_railstation.numtracks = (e->we.click.widget - 5) + 1;
_railstation.dragdrop = false;
+
+ const StationSpec *statspec = _railstation.newstations ? GetCustomStationSpec(_railstation.station_class, _railstation.station_type) : NULL;
+ if (statspec != NULL && HASBIT(statspec->disallowed_lengths, _railstation.platlength - 1)) {
+ /* The previously selected number of platforms in invalid */
+ for (uint i = 0; i < 7; i++) {
+ if (!HASBIT(statspec->disallowed_lengths, i)) {
+ RaiseWindowWidget(w, _railstation.platlength + 11);
+ _railstation.platlength = i + 1;
+ break;
+ }
+ }
+ }
+
LowerWindowWidget(w, _railstation.platlength + 11);
LowerWindowWidget(w, _railstation.numtracks + 4);
SndPlayFx(SND_15_BEEP);
SetWindowDirty(w);
break;
+ }
case 12:
case 13:
@@ -813,16 +828,31 @@ static void StationBuildWndProc(Window *w, WindowEvent *e)
case 15:
case 16:
case 17:
- case 18:
+ case 18: {
RaiseWindowWidget(w, _railstation.platlength + 11);
RaiseWindowWidget(w, 19);
+
_railstation.platlength = (e->we.click.widget - 12) + 1;
_railstation.dragdrop = false;
+
+ const StationSpec *statspec = _railstation.newstations ? GetCustomStationSpec(_railstation.station_class, _railstation.station_type) : NULL;
+ if (statspec != NULL && HASBIT(statspec->disallowed_platforms, _railstation.numtracks - 1)) {
+ /* The previously selected number of tracks in invalid */
+ for (uint i = 0; i < 7; i++) {
+ if (!HASBIT(statspec->disallowed_platforms, i)) {
+ RaiseWindowWidget(w, _railstation.numtracks + 4);
+ _railstation.numtracks = i + 1;
+ break;
+ }
+ }
+ }
+
LowerWindowWidget(w, _railstation.platlength + 11);
LowerWindowWidget(w, _railstation.numtracks + 4);
SndPlayFx(SND_15_BEEP);
SetWindowDirty(w);
break;
+ }
case 19:
_railstation.dragdrop ^= true;