diff options
Diffstat (limited to 'train_gui.c')
| -rw-r--r-- | train_gui.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/train_gui.c b/train_gui.c index f290df9ed..d679288dd 100644 --- a/train_gui.c +++ b/train_gui.c @@ -273,7 +273,10 @@ static void DrawTrainBuildWindow(Window *w) SetWindowWidgetLoweredState(w, BUILD_TRAIN_WIDGET_WAGONS, WP(w,buildtrain_d).show_engine_wagon == 2); SetWindowWidgetLoweredState(w, BUILD_TRAIN_WIDGET_BOTH, WP(w,buildtrain_d).show_engine_wagon == 3); - GenerateBuildList(&WP(w,buildtrain_d).engines, &WP(w,buildtrain_d).num_engines, &WP(w,buildtrain_d).wagons, &WP(w,buildtrain_d).num_wagons, WP(w,buildtrain_d).railtype); + if (WP(w,buildtrain_d).data_invalidated) { + GenerateBuildList(&WP(w,buildtrain_d).engines, &WP(w,buildtrain_d).num_engines, &WP(w,buildtrain_d).wagons, &WP(w,buildtrain_d).num_wagons, WP(w,buildtrain_d).railtype); + WP(w,buildtrain_d).data_invalidated = false; + } if (HASBIT(WP(w,buildtrain_d).show_engine_wagon, 0)) scrollcount += WP(w,buildtrain_d).num_engines; if (HASBIT(WP(w,buildtrain_d).show_engine_wagon, 1)) scrollcount += WP(w,buildtrain_d).num_wagons; @@ -326,6 +329,11 @@ static void NewRailVehicleWndProc(Window *w, WindowEvent *e) WP(w,buildtrain_d).engines = NULL; WP(w,buildtrain_d).wagons = NULL; WP(w,buildtrain_d).show_engine_wagon = 3; + WP(w,buildtrain_d).data_invalidated = true; + break; + + case WE_INVALIDATE_DATA: + WP(w,buildtrain_d).data_invalidated = true; break; case WE_DESTROY: |