diff options
Diffstat (limited to 'vehicle_gui.c')
-rw-r--r-- | vehicle_gui.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/vehicle_gui.c b/vehicle_gui.c index 93bb054a6..9fab39658 100644 --- a/vehicle_gui.c +++ b/vehicle_gui.c @@ -1020,25 +1020,19 @@ static void ReplaceVehicleWndProc(Window *w, WindowEvent *e) // or Both lists have the same vehicle selected // or The selected replacement engine has a replacement (to prevent loops) // or The right list (new replacement) has the existing replacement vehicle selected - if (selected_id[0] == INVALID_ENGINE || + SetWindowWidgetDisabledState(w, 4, + selected_id[0] == INVALID_ENGINE || selected_id[1] == INVALID_ENGINE || selected_id[0] == selected_id[1] || EngineReplacementForPlayer(p, selected_id[1]) != INVALID_ENGINE || - EngineReplacementForPlayer(p, selected_id[0]) == selected_id[1]) { - SETBIT(w->disabled_state, 4); - } else { - CLRBIT(w->disabled_state, 4); - } + EngineReplacementForPlayer(p, selected_id[0]) == selected_id[1]); // Disable the "Stop Replacing" button if: // The left list (existing vehicle) is empty // or The selected vehicle has no replacement set up - if (selected_id[0] == INVALID_ENGINE || - !EngineHasReplacementForPlayer(p, selected_id[0])) { - SETBIT(w->disabled_state, 6); - } else { - CLRBIT(w->disabled_state, 6); - } + SetWindowWidgetDisabledState(w, 6, + selected_id[0] == INVALID_ENGINE || + !EngineHasReplacementForPlayer(p, selected_id[0])); // now the actual drawing of the window itself takes place SetDParam(0, _vehicle_type_names[WP(w, replaceveh_d).vehicletype - VEH_Train]); @@ -1577,7 +1571,7 @@ static void DrawVehicleListWindow(Window *w) DrawWindowWidgets(w); - if (owner == _local_player && vl->l.list_length == 0) SETBIT(w->disabled_state, 9); + if (owner == _local_player && vl->l.list_length == 0) DisableWindowWidget(w, 9); /* draw sorting criteria string */ DrawString(85, 15, _vehicle_sort_listing[vl->l.sort_type], 0x10); |