tron@2186: /* $Id$ */
tron@2186: 
belugas@6117: /** @file autoreplace_gui.cpp */
belugas@6117: 
darkvater@164: #include "stdafx.h"
Darkvater@1891: #include "openttd.h"
tron@1299: #include "debug.h"
tron@2163: #include "functions.h"
tron@1363: #include "table/sprites.h"
tron@507: #include "table/strings.h"
tron@588: #include "window.h"
bjarni@842: #include "gui.h"
bjarni@842: #include "command.h"
tron@2159: #include "variables.h"
tron@2159: #include "vehicle_gui.h"
peter1138@2962: #include "newgrf_engine.h"
rubidium@6643: #include "group.h"
bjarni@5808: 
bjarni@5808: 
bjarni@5809: static RailType _railtype_selected_in_replace_gui;
tron@505: 
bjarni@5944: static bool _rebuild_left_list;
bjarni@5944: static bool _rebuild_right_list;
bjarni@5944: 
bjarni@5808: static const StringID _rail_types_list[] = {
bjarni@5808: 	STR_RAIL_VEHICLES,
bjarni@5808: 	STR_ELRAIL_VEHICLES,
bjarni@5808: 	STR_MONORAIL_VEHICLES,
bjarni@5808: 	STR_MAGLEV_VEHICLES,
bjarni@5808: 	INVALID_STRING_ID
bjarni@5808: };
bjarni@5808: 
bjarni@5808: /* General Vehicle GUI based procedures that are independent of vehicle types */
rubidium@6247: void InitializeVehiclesGuiList()
bjarni@5808: {
bjarni@5808: 	_railtype_selected_in_replace_gui = RAILTYPE_RAIL;
bjarni@5808: }
bjarni@5808: 
bjarni@5944: /** Rebuild the left autoreplace list if an engine is removed or added
bjarni@5944:  * @param e Engine to check if it is removed or added
peter1138@7096:  * @param id_g The group the engine belongs to
bjarni@5944:  *  Note: this function only works if it is called either
bjarni@5944:  *   - when a new vehicle is build, but before it's counted in num_engines
bjarni@5944:  *   - when a vehicle is deleted and after it's substracted from num_engines
bjarni@5944:  *   - when not changing the count (used when changing replace orders)
bjarni@5808:  */
peter1138@7096: void InvalidateAutoreplaceWindow(EngineID e, GroupID id_g)
bjarni@5808: {
bjarni@5944: 	Player *p = GetPlayer(_local_player);
bjarni@5944: 	byte type = GetEngine(e)->type;
peter1138@7096: 	uint num_engines = IsDefaultGroupID(id_g) ? p->num_engines[e] : GetGroup(id_g)->num_engines[e];
bjarni@5808: 
peter1138@7096: 	if (num_engines == 0 || p->num_engines[e] == 0) {
bjarni@5944: 		/* We don't have any of this engine type.
bjarni@5944: 		 * Either we just sold the last one, we build a new one or we stopped replacing it.
bjarni@5944: 		 * In all cases, we need to update the left list */
bjarni@5944: 		_rebuild_left_list = true;
bjarni@5944: 	} else {
bjarni@5944: 		_rebuild_left_list = false;
bjarni@5944: 	}
bjarni@5944: 	_rebuild_right_list = false;
bjarni@5944: 	InvalidateWindowData(WC_REPLACE_VEHICLE, type);
bjarni@5944: }
bjarni@5808: 
bjarni@5944: /** When an engine is made buildable or is removed from being buildable, add/remove it from the build/autoreplace lists
bjarni@5944:  * @param type The type of engine
bjarni@5944:  */
rubidium@6638: void AddRemoveEngineFromAutoreplaceAndBuildWindows(VehicleType type)
bjarni@5944: {
bjarni@5944: 	_rebuild_left_list = false; // left list is only for the vehicles the player owns and is not related to being buildable
bjarni@5944: 	_rebuild_right_list = true;
bjarni@5944: 	InvalidateWindowData(WC_REPLACE_VEHICLE, type); // Update the autoreplace window
bjarni@5944: 	InvalidateWindowClassesData(WC_BUILD_VEHICLE); // The build windows needs updating as well
bjarni@5944: }
bjarni@5944: 
bjarni@5944: /** Get the default cargo type for an engine
bjarni@5944:  * @param engine the EngineID to get the cargo for
bjarni@5944:  * @return the cargo type carried by the engine (CT_INVALID if engine got no cargo capacity)
bjarni@5944:  */
bjarni@5944: static CargoID EngineCargo(EngineID engine)
bjarni@5944: {
bjarni@5944: 	if (engine == INVALID_ENGINE) return CT_INVALID; // surely INVALID_ENGINE can't carry anything but CT_INVALID
bjarni@5944: 
bjarni@5944: 	switch (GetEngine(engine)->type) {
bjarni@5944: 		default: NOT_REACHED();
rubidium@6259: 		case VEH_TRAIN:
bjarni@5944: 			if (RailVehInfo(engine)->capacity == 0) return CT_INVALID; // no capacity -> can't carry cargo
bjarni@5944: 			return RailVehInfo(engine)->cargo_type;
rubidium@6259: 		case VEH_ROAD:       return RoadVehInfo(engine)->cargo_type;
rubidium@6259: 		case VEH_SHIP:       return ShipVehInfo(engine)->cargo_type;
rubidium@6259: 		case VEH_AIRCRAFT:   return CT_PASSENGERS; // all planes are build with passengers by default
bjarni@5944: 	}
bjarni@5944: }
bjarni@5944: 
bjarni@5944: /** Figure out if an engine should be added to a list
bjarni@5944:  * @param e The EngineID
bjarni@5944:  * @param draw_left If true, then the left list is drawn (the engines specific to the railtype you selected)
bjarni@5944:  * @param show_engines if truem then locomotives are drawn, else wagons (never both)
bjarni@5944:  * @return true if the engine should be in the list (based on this check)
bjarni@5944:  */
bjarni@5944: static bool GenerateReplaceRailList(EngineID e, bool draw_left, bool show_engines)
bjarni@5944: {
bjarni@5944: 	const RailVehicleInfo *rvi = RailVehInfo(e);
bjarni@5944: 
bjarni@5944: 	/* Ensure that the wagon/engine selection fits the engine. */
bjarni@5944: 	if ((rvi->railveh_type == RAILVEH_WAGON) == show_engines) return false;
bjarni@5944: 
bjarni@5944: 	if (draw_left && show_engines) {
bjarni@5944: 		/* Ensure that the railtype is specific to the selected one */
bjarni@5944: 		if (rvi->railtype != _railtype_selected_in_replace_gui) return false;
bjarni@5944: 	} else {
bjarni@5944: 		/* Ensure that it's a compatible railtype to the selected one (like electric <-> diesel)
bjarni@5944: 		 * The vehicle do not have to have power on the railtype in question, only able to drive (pulled if needed) */
bjarni@5944: 		if (!IsCompatibleRail(rvi->railtype, _railtype_selected_in_replace_gui)) return false;
bjarni@5944: 	}
bjarni@5944: 	return true;
bjarni@5944: }
bjarni@5944: 
bjarni@5944: /** Figure out if two engines got at least one type of cargo in common (refitting if needed)
bjarni@5944:  * @param engine_a one of the EngineIDs
bjarni@5944:  * @param engine_b the other EngineID
bjarni@5944:  * @return true if they can both carry the same type of cargo (or at least one of them got no capacity at all)
bjarni@5944:  */
bjarni@5944: static bool EnginesGotCargoInCommon(EngineID engine_a, EngineID engine_b)
bjarni@5944: {
bjarni@5944: 	CargoID a = EngineCargo(engine_a);
bjarni@5944: 	CargoID b = EngineCargo(engine_b);
bjarni@5944: 
bjarni@5944: 	 /* we should always be able to refit to/from locomotives without capacity
bjarni@5944: 	  * Because of that, CT_INVALID shoudl always return true */
bjarni@5944: 	if (a == CT_INVALID || b == CT_INVALID || a == b) return true; // they carry no ro the same type by default
bjarni@5944: 	if (EngInfo(engine_a)->refit_mask & EngInfo(engine_b)->refit_mask) return true; // both can refit to the same
bjarni@5944: 	if (CanRefitTo(engine_a, b) || CanRefitTo(engine_b, a)) return true; // one can refit to what the other one carries
bjarni@5944: 	return false;
bjarni@5944: }
bjarni@5944: 
bjarni@5944: /** Generate a list
bjarni@5944:  * @param w Window, that contains the list
bjarni@5944:  * @param draw_left true if generating the left list, otherwise false
bjarni@5944:  */
bjarni@5944: static void GenerateReplaceVehList(Window *w, bool draw_left)
bjarni@5944: {
bjarni@5944: 	Player *p = GetPlayer(_local_player);
bjarni@5944: 	EngineID e;
bjarni@5944: 	EngineID selected_engine = INVALID_ENGINE;
bjarni@5944: 	byte type = w->window_number;
bjarni@5944: 	byte i = draw_left ? 0 : 1;
bjarni@5944: 
bjarni@5944: 	EngineList *list = &WP(w, replaceveh_d).list[i];
bjarni@5944: 	EngList_RemoveAll(list);
bjarni@5944: 
bjarni@5944: 	FOR_ALL_ENGINEIDS_OF_TYPE(e, type) {
rubidium@6259: 		if (type == VEH_TRAIN && !GenerateReplaceRailList(e, draw_left, WP(w, replaceveh_d).wagon_btnstate)) continue; // special rules for trains
bjarni@5944: 
bjarni@5944: 		if (draw_left) {
rubidium@6643: 			const GroupID selected_group = WP(w, replaceveh_d).sel_group;
rubidium@6643: 			const uint num_engines = IsDefaultGroupID(selected_group) ? p->num_engines[e] : GetGroup(selected_group)->num_engines[e];
rubidium@6643: 
bjarni@5944: 			/* Skip drawing the engines we don't have any of and haven't set for replacement */
rubidium@6643: 			if (num_engines == 0 && EngineReplacementForPlayer(GetPlayer(_local_player), e, selected_group) == INVALID_ENGINE) continue;
bjarni@5808: 		} else {
bjarni@5944: 			/* This is for engines we can replace to and they should depend on what we selected to replace from */
bjarni@5944: 			if (!IsEngineBuildable(e, type, _local_player)) continue; // we need to be able to build the engine
bjarni@5944: 			if (!EnginesGotCargoInCommon(e, WP(w, replaceveh_d).sel_engine[0])) continue; // the engines needs to be able to carry the same cargo
rubidium@6687: 
rubidium@6687: 			/* Road vehicles can't be replaced by trams and vice-versa */
rubidium@6687: 			if (type == VEH_ROAD && HASBIT(EngInfo(WP(w, replaceveh_d).sel_engine[0])->misc_flags, EF_ROAD_TRAM) != HASBIT(EngInfo(e)->misc_flags, EF_ROAD_TRAM)) continue;
bjarni@5944: 			if (e == WP(w, replaceveh_d).sel_engine[0]) continue; // we can't replace an engine into itself (that would be autorenew)
bjarni@5808: 		}
bjarni@5808: 
bjarni@5944: 		EngList_Add(list, e);
bjarni@5944: 		if (e == WP(w, replaceveh_d).sel_engine[i]) selected_engine = e; // The selected engine is still in the list
bjarni@5944: 	}
bjarni@5944: 	WP(w, replaceveh_d).sel_engine[i] = selected_engine; // update which engine we selected (the same or none, if it's not in the list anymore)
bjarni@5944: }
bjarni@5944: 
bjarni@5944: /** Generate the lists
bjarni@5944:  * @param w Window containing the lists
bjarni@5944:  */
bjarni@5944: static void GenerateLists(Window *w)
bjarni@5944: {
bjarni@5944: 	EngineID e = WP(w, replaceveh_d).sel_engine[0];
bjarni@5944: 
bjarni@5944: 	if (WP(w, replaceveh_d).update_left == true) {
bjarni@5944: 		/* We need to rebuild the left list */
bjarni@5944: 		GenerateReplaceVehList(w, true);
bjarni@5944: 		SetVScrollCount(w, EngList_Count(&WP(w, replaceveh_d).list[0]));
bjarni@5944: 		if (WP(w, replaceveh_d).init_lists && WP(w, replaceveh_d).sel_engine[0] == INVALID_ENGINE && EngList_Count(&WP(w, replaceveh_d).list[0]) != 0) {
bjarni@5944: 			WP(w, replaceveh_d).sel_engine[0] = WP(w, replaceveh_d).list[0][0];
bjarni@5944: 		}
bjarni@5944: 	}
bjarni@5944: 
bjarni@5944: 	if (WP(w, replaceveh_d).update_right || e != WP(w, replaceveh_d).sel_engine[0]) {
bjarni@5944: 		/* Either we got a request to rebuild the right list or the left list selected a different engine */
bjarni@5944: 		if (WP(w, replaceveh_d).sel_engine[0] == INVALID_ENGINE) {
bjarni@5944: 			/* Always empty the right list when nothing is selected in the left list */
bjarni@5944: 			EngList_RemoveAll(&WP(w, replaceveh_d).list[1]);
bjarni@5944: 			WP(w, replaceveh_d).sel_engine[1] = INVALID_ENGINE;
bjarni@5944: 		} else {
bjarni@5944: 			GenerateReplaceVehList(w, false);
bjarni@5944: 			SetVScroll2Count(w, EngList_Count(&WP(w, replaceveh_d).list[1]));
bjarni@5944: 			if (WP(w, replaceveh_d).init_lists && WP(w, replaceveh_d).sel_engine[1] == INVALID_ENGINE && EngList_Count(&WP(w, replaceveh_d).list[1]) != 0) {
bjarni@5944: 				WP(w, replaceveh_d).sel_engine[1] = WP(w, replaceveh_d).list[1][0];
bjarni@5808: 			}
bjarni@5808: 		}
bjarni@5808: 	}
bjarni@5944: 	/* Reset the flags about needed updates */
bjarni@5944: 	WP(w, replaceveh_d).update_left  = false;
bjarni@5944: 	WP(w, replaceveh_d).update_right = false;
bjarni@5944: 	WP(w, replaceveh_d).init_lists   = false;
bjarni@5808: }
bjarni@5808: 
bjarni@5808: 
rubidium@6643: void DrawEngineList(VehicleType type, int x, int y, const EngineList eng_list, uint16 min, uint16 max, EngineID selected_id, bool show_count, GroupID selected_group);
bjarni@5808: 
bjarni@5808: static void ReplaceVehicleWndProc(Window *w, WindowEvent *e)
bjarni@5808: {
bjarni@5944: 	/* Strings for the pulldown menu */
bjarni@5808: 	static const StringID _vehicle_type_names[] = {
bjarni@5808: 		STR_019F_TRAIN,
bjarni@5808: 		STR_019C_ROAD_VEHICLE,
bjarni@5808: 		STR_019E_SHIP,
bjarni@5808: 		STR_019D_AIRCRAFT
bjarni@5808: 	};
bjarni@5808: 
bjarni@5808: 	switch (e->event) {
bjarni@5944: 		case WE_CREATE:
bjarni@5944: 			WP(w, replaceveh_d).wagon_btnstate = true; // start with locomotives (all other vehicles will not read this bool)
bjarni@5944: 			EngList_Create(&WP(w, replaceveh_d).list[0]);
bjarni@5944: 			EngList_Create(&WP(w, replaceveh_d).list[1]);
bjarni@5944: 			WP(w, replaceveh_d).update_left   = true;
bjarni@5944: 			WP(w, replaceveh_d).update_right  = true;
bjarni@5944: 			WP(w, replaceveh_d).init_lists    = true;
bjarni@5944: 			WP(w, replaceveh_d).sel_engine[0] = INVALID_ENGINE;
bjarni@5944: 			WP(w, replaceveh_d).sel_engine[1] = INVALID_ENGINE;
bjarni@5944: 			break;
bjarni@5808: 
bjarni@5944: 		case WE_PAINT: {
bjarni@5944: 			if (WP(w, replaceveh_d).update_left || WP(w, replaceveh_d).update_right) GenerateLists(w);
bjarni@5808: 
bjarni@5944: 			Player *p = GetPlayer(_local_player);
bjarni@5944: 			EngineID selected_id[2];
rubidium@6643: 			const GroupID selected_group = WP(w,replaceveh_d).sel_group;
bjarni@5808: 
bjarni@5944: 			selected_id[0] = WP(w, replaceveh_d).sel_engine[0];
bjarni@5944: 			selected_id[1] = WP(w, replaceveh_d).sel_engine[1];
bjarni@5808: 
bjarni@5944: 			/* Disable the "Start Replacing" button if:
bjarni@5944: 			 *    Either list is empty
bjarni@5944: 			 * or The selected replacement engine has a replacement (to prevent loops)
bjarni@5944: 			 * or The right list (new replacement) has the existing replacement vehicle selected */
bjarni@5944: 			SetWindowWidgetDisabledState(w, 4,
bjarni@5944: 										 selected_id[0] == INVALID_ENGINE ||
bjarni@5944: 										 selected_id[1] == INVALID_ENGINE ||
rubidium@6643: 										 EngineReplacementForPlayer(p, selected_id[1], selected_group) != INVALID_ENGINE ||
rubidium@6643: 										 EngineReplacementForPlayer(p, selected_id[0], selected_group) == selected_id[1]);
bjarni@5944: 
bjarni@5944: 			/* Disable the "Stop Replacing" button if:
bjarni@5944: 			 *   The left list (existing vehicle) is empty
bjarni@5944: 			 *   or The selected vehicle has no replacement set up */
bjarni@5944: 			SetWindowWidgetDisabledState(w, 6,
bjarni@5944: 										 selected_id[0] == INVALID_ENGINE ||
rubidium@6643: 										 !EngineHasReplacementForPlayer(p, selected_id[0], selected_group));
bjarni@5944: 
bjarni@5944: 			/* now the actual drawing of the window itself takes place */
bjarni@5955: 			SetDParam(0, _vehicle_type_names[w->window_number]);
bjarni@5944: 
rubidium@6259: 			if (w->window_number == VEH_TRAIN) {
bjarni@5944: 				/* set on/off for renew_keep_length */
bjarni@5944: 				SetDParam(1, p->renew_keep_length ? STR_CONFIG_PATCHES_ON : STR_CONFIG_PATCHES_OFF);
bjarni@5944: 
bjarni@5944: 				/* set wagon/engine button */
bjarni@5944: 				SetDParam(2, WP(w, replaceveh_d).wagon_btnstate ? STR_ENGINES : STR_WAGONS);
glx@6398: 
glx@6398: 				/* sets the colour of that art thing */
glx@6398: 				w->widget[13].color = _player_colors[_local_player];
glx@6398: 				w->widget[16].color = _player_colors[_local_player];
bjarni@5944: 			}
bjarni@5944: 
bjarni@5944: 			DrawWindowWidgets(w);
bjarni@5944: 
rubidium@6259: 			if (w->window_number == VEH_TRAIN) {
bjarni@5944: 				/* Draw the selected railtype in the pulldown menu */
bjarni@5944: 				RailType railtype = _railtype_selected_in_replace_gui;
bjarni@5944: 				DrawString(157, w->widget[14].top + 1, _rail_types_list[railtype], 0x10);
bjarni@5944: 			}
bjarni@5944: 
bjarni@5944: 			/* sets up the string for the vehicle that is being replaced to */
bjarni@5944: 			if (selected_id[0] != INVALID_ENGINE) {
rubidium@6643: 				if (!EngineHasReplacementForPlayer(p, selected_id[0], selected_group)) {
bjarni@5944: 					SetDParam(0, STR_NOT_REPLACING);
bjarni@5944: 				} else {
peter1138@7059: 					SetDParam(0, STR_ENGINE_NAME);
peter1138@7059: 					SetDParam(1, EngineReplacementForPlayer(p, selected_id[0], selected_group));
bjarni@5808: 				}
bjarni@5944: 			} else {
bjarni@5944: 				SetDParam(0, STR_NOT_REPLACING_VEHICLE_SELECTED);
bjarni@5944: 			}
bjarni@5944: 
bjarni@5944: 			DrawString(145, w->widget[5].top + 1, STR_02BD, 0x10);
bjarni@5944: 
bjarni@5944: 			/* Draw the lists */
bjarni@5944: 			for(byte i = 0; i < 2; i++) {
bjarni@5944: 				uint16 x        = i == 0 ? 2 : 230; // at what X offset
bjarni@5944: 				EngineList list = WP(w, replaceveh_d).list[i]; // which list to draw
bjarni@5944: 				EngineID start  = i == 0 ? w->vscroll.pos : w->vscroll2.pos; // what is the offset for the start (scrolling)
bjarni@5944: 				EngineID end    = min((i == 0 ? w->vscroll.cap : w->vscroll2.cap) + start, EngList_Count(&list));
bjarni@5944: 
bjarni@5944: 				/* Do the actual drawing */
rubidium@6643: 				DrawEngineList((VehicleType)w->window_number, x, 15, list, start, end, WP(w, replaceveh_d).sel_engine[i], i == 0, selected_group);
bjarni@5944: 
bjarni@5944: 				/* Also draw the details if an engine is selected */
bjarni@5944: 				if (WP(w, replaceveh_d).sel_engine[i] != INVALID_ENGINE) {
bjarni@5944: 					const Widget *wi = &w->widget[i == 0 ? 3 : 11];
bjarni@5944: 					DrawVehiclePurchaseInfo(wi->left + 2, wi->top + 1, wi->right - wi->left - 2, WP(w, replaceveh_d).sel_engine[i]);
bjarni@5944: 				}
bjarni@5944: 			}
bjarni@5944: 
bjarni@5944: 		} break;   // end of paint
bjarni@5808: 
bjarni@5808: 		case WE_CLICK: {
bjarni@5808: 			switch (e->we.click.widget) {
bjarni@5808: 				case 12:
bjarni@5808: 					WP(w, replaceveh_d).wagon_btnstate = !(WP(w, replaceveh_d).wagon_btnstate);
bjarni@5944: 					WP(w, replaceveh_d).update_left = true;
bjarni@5944: 					WP(w, replaceveh_d).init_lists  = true;
bjarni@5808: 					SetWindowDirty(w);
bjarni@5808: 					break;
bjarni@5808: 
bjarni@5808: 				case 14:
bjarni@5808: 				case 15: /* Railtype selection dropdown menu */
bjarni@5808: 					ShowDropDownMenu(w, _rail_types_list, _railtype_selected_in_replace_gui, 15, 0, ~GetPlayer(_local_player)->avail_railtypes);
bjarni@5808: 					break;
bjarni@5808: 
bjarni@5808: 				case 17: /* toggle renew_keep_length */
bjarni@5808: 					DoCommandP(0, 5, GetPlayer(_local_player)->renew_keep_length ? 0 : 1, NULL, CMD_SET_AUTOREPLACE);
bjarni@5808: 					break;
bjarni@5808: 
bjarni@5808: 				case 4: { /* Start replacing */
bjarni@5808: 					EngineID veh_from = WP(w, replaceveh_d).sel_engine[0];
bjarni@5808: 					EngineID veh_to = WP(w, replaceveh_d).sel_engine[1];
rubidium@6643: 					DoCommandP(0, 3 + (WP(w, replaceveh_d).sel_group << 16) , veh_from + (veh_to << 16), NULL, CMD_SET_AUTOREPLACE);
bjarni@5944: 				} break;
bjarni@5808: 
bjarni@5808: 				case 6: { /* Stop replacing */
bjarni@5808: 					EngineID veh_from = WP(w, replaceveh_d).sel_engine[0];
rubidium@6643: 					DoCommandP(0, 3 + (WP(w, replaceveh_d).sel_group << 16), veh_from + (INVALID_ENGINE << 16), NULL, CMD_SET_AUTOREPLACE);
bjarni@5944: 				} break;
bjarni@5808: 
bjarni@5808: 				case 7:
bjarni@5808: 				case 9: {
bjarni@5808: 					uint i = (e->we.click.pt.y - 14) / w->resize.step_height;
bjarni@5944: 					uint16 click_scroll_pos = e->we.click.widget == 7 ? w->vscroll.pos : w->vscroll2.pos;
bjarni@5944: 					uint16 click_scroll_cap = e->we.click.widget == 7 ? w->vscroll.cap : w->vscroll2.cap;
bjarni@5944: 					byte click_side         = e->we.click.widget == 7 ? 0 : 1;
bjarni@5944: 					uint16 engine_count     = EngList_Count(&WP(w, replaceveh_d).list[click_side]);
bjarni@5944: 
bjarni@5808: 					if (i < click_scroll_cap) {
bjarni@5944: 						i += click_scroll_pos;
bjarni@5944: 						EngineID e = engine_count > i ? WP(w, replaceveh_d).list[click_side][i] : INVALID_ENGINE;
bjarni@5944: 						if (e == WP(w, replaceveh_d).sel_engine[click_side]) break; // we clicked the one we already selected
bjarni@5944: 						WP(w, replaceveh_d).sel_engine[click_side] = e;
bjarni@5944: 						if (click_side == 0) {
bjarni@5944: 							WP(w, replaceveh_d).update_right = true;
bjarni@5944: 							WP(w, replaceveh_d).init_lists   = true;
bjarni@5944: 						}
bjarni@5808: 						SetWindowDirty(w);
bjarni@5944: 						}
bjarni@5944: 					break;
bjarni@5808: 					}
bjarni@5808: 			}
bjarni@5808: 			break;
bjarni@5808: 		}
bjarni@5808: 
bjarni@5944: 		case WE_DROPDOWN_SELECT: { /* we have selected a dropdown item in the list */
bjarni@5944: 			RailType temp = (RailType)e->we.dropdown.index;
bjarni@5944: 			if (temp == _railtype_selected_in_replace_gui) break; // we didn't select a new one. No need to change anything
bjarni@5944: 			_railtype_selected_in_replace_gui = temp;
bjarni@5808: 			/* Reset scrollbar positions */
bjarni@5808: 			w->vscroll.pos  = 0;
bjarni@5808: 			w->vscroll2.pos = 0;
bjarni@5944: 			/* Rebuild the lists */
bjarni@5944: 			WP(w, replaceveh_d).update_left  = true;
bjarni@5944: 			WP(w, replaceveh_d).update_right = true;
bjarni@5944: 			WP(w, replaceveh_d).init_lists   = true;
bjarni@5808: 			SetWindowDirty(w);
bjarni@5944: 		} break;
bjarni@5808: 
bjarni@5808: 		case WE_RESIZE:
bjarni@5808: 			w->vscroll.cap  += e->we.sizing.diff.y / (int)w->resize.step_height;
bjarni@5808: 			w->vscroll2.cap += e->we.sizing.diff.y / (int)w->resize.step_height;
bjarni@5808: 
bjarni@5808: 			w->widget[7].data = (w->vscroll.cap  << 8) + 1;
bjarni@5808: 			w->widget[9].data = (w->vscroll2.cap << 8) + 1;
bjarni@5808: 			break;
bjarni@5944: 
bjarni@5944: 		case WE_INVALIDATE_DATA:
bjarni@5944: 			if (_rebuild_left_list) WP(w, replaceveh_d).update_left = true;
bjarni@5944: 			if (_rebuild_right_list) WP(w, replaceveh_d).update_right = true;
bjarni@5944: 			SetWindowDirty(w);
bjarni@5944: 			break;
bjarni@5944: 
bjarni@5944: 		case WE_DESTROY:
bjarni@5944: 			EngList_RemoveAll(&WP(w, replaceveh_d).list[0]);
bjarni@5944: 			EngList_RemoveAll(&WP(w, replaceveh_d).list[1]);
bjarni@5944: 		break;
bjarni@5808: 	}
bjarni@5808: }
bjarni@5808: 
bjarni@5808: static const Widget _replace_rail_vehicle_widgets[] = {
bjarni@5808: {   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,       STR_018B_CLOSE_WINDOW},
bjarni@5808: {    WWT_CAPTION,   RESIZE_NONE,    14,    11,   443,     0,    13, STR_REPLACE_VEHICLES_WHITE, STR_018C_WINDOW_TITLE_DRAG_THIS},
bjarni@5808: {  WWT_STICKYBOX,   RESIZE_NONE,    14,   444,   455,     0,    13, STR_NULL,       STR_STICKY_BUTTON},
bjarni@5808: {      WWT_PANEL,     RESIZE_TB,    14,     0,   227,   126,   227, 0x0,            STR_NULL},
bjarni@5808: { WWT_PUSHTXTBTN,     RESIZE_TB,    14,     0,   138,   240,   251, STR_REPLACE_VEHICLES_START, STR_REPLACE_HELP_START_BUTTON},
bjarni@5808: {      WWT_PANEL,     RESIZE_TB,    14,   139,   316,   228,   239, 0x0,            STR_REPLACE_HELP_REPLACE_INFO_TAB},
bjarni@5808: { WWT_PUSHTXTBTN,     RESIZE_TB,    14,   306,   443,   240,   251, STR_REPLACE_VEHICLES_STOP,  STR_REPLACE_HELP_STOP_BUTTON},
bjarni@5808: {     WWT_MATRIX, RESIZE_BOTTOM,    14,     0,   215,    14,   125, 0x801,          STR_REPLACE_HELP_LEFT_ARRAY},
bjarni@5808: {  WWT_SCROLLBAR, RESIZE_BOTTOM,    14,   216,   227,    14,   125, STR_NULL,       STR_0190_SCROLL_BAR_SCROLLS_LIST},
bjarni@5808: {     WWT_MATRIX, RESIZE_BOTTOM,    14,   228,   443,    14,   125, 0x801,          STR_REPLACE_HELP_RIGHT_ARRAY},
bjarni@5808: { WWT_SCROLL2BAR, RESIZE_BOTTOM,    14,   444,   455,    14,   125, STR_NULL,       STR_0190_SCROLL_BAR_SCROLLS_LIST},
bjarni@5808: {      WWT_PANEL,     RESIZE_TB,    14,   228,   455,   126,   227, 0x0,            STR_NULL},
bjarni@5808: // train specific stuff
bjarni@5808: { WWT_PUSHTXTBTN,     RESIZE_TB,    14,     0,   138,   228,   239, STR_REPLACE_ENGINE_WAGON_SELECT,       STR_REPLACE_ENGINE_WAGON_SELECT_HELP},  // widget 12
bjarni@5808: {      WWT_PANEL,     RESIZE_TB,    14,   139,   153,   240,   251, 0x0,            STR_NULL},
bjarni@5808: {      WWT_PANEL,     RESIZE_TB,    14,   154,   277,   240,   251, 0x0,            STR_REPLACE_HELP_RAILTYPE},
bjarni@5808: {    WWT_TEXTBTN,     RESIZE_TB,    14,   278,   289,   240,   251, STR_0225,       STR_REPLACE_HELP_RAILTYPE},
bjarni@5808: {      WWT_PANEL,     RESIZE_TB,    14,   290,   305,   240,   251, 0x0,            STR_NULL},
bjarni@5808: { WWT_PUSHTXTBTN,     RESIZE_TB,    14,   317,   455,   228,   239, STR_REPLACE_REMOVE_WAGON,       STR_REPLACE_REMOVE_WAGON_HELP},
bjarni@5808: // end of train specific stuff
bjarni@5808: {  WWT_RESIZEBOX,     RESIZE_TB,    14,   444,   455,   240,   251, STR_NULL,       STR_RESIZE_BUTTON},
bjarni@5808: {   WIDGETS_END},
bjarni@5808: };
bjarni@5808: 
bjarni@5808: static const Widget _replace_road_vehicle_widgets[] = {
bjarni@5808: {   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,                    STR_018B_CLOSE_WINDOW},
bjarni@5808: {    WWT_CAPTION,   RESIZE_NONE,    14,    11,   443,     0,    13, STR_REPLACE_VEHICLES_WHITE,  STR_018C_WINDOW_TITLE_DRAG_THIS},
bjarni@5808: {  WWT_STICKYBOX,   RESIZE_NONE,    14,   444,   455,     0,    13, STR_NULL,                    STR_STICKY_BUTTON},
bjarni@5808: {      WWT_PANEL,     RESIZE_TB,    14,     0,   227,   126,   217, 0x0,                         STR_NULL},
bjarni@5808: { WWT_PUSHTXTBTN,     RESIZE_TB,    14,     0,   138,   218,   229, STR_REPLACE_VEHICLES_START,  STR_REPLACE_HELP_START_BUTTON},
bjarni@5808: {      WWT_PANEL,     RESIZE_TB,    14,   139,   305,   218,   229, 0x0,                         STR_REPLACE_HELP_REPLACE_INFO_TAB},
bjarni@5808: { WWT_PUSHTXTBTN,     RESIZE_TB,    14,   306,   443,   218,   229, STR_REPLACE_VEHICLES_STOP,   STR_REPLACE_HELP_STOP_BUTTON},
bjarni@5808: {     WWT_MATRIX, RESIZE_BOTTOM,    14,     0,   215,    14,   125, 0x801,                       STR_REPLACE_HELP_LEFT_ARRAY},
bjarni@5808: {  WWT_SCROLLBAR, RESIZE_BOTTOM,    14,   216,   227,    14,   125, STR_NULL,                    STR_0190_SCROLL_BAR_SCROLLS_LIST},
bjarni@5808: {     WWT_MATRIX, RESIZE_BOTTOM,    14,   228,   443,    14,   125, 0x801,                       STR_REPLACE_HELP_RIGHT_ARRAY},
bjarni@5808: { WWT_SCROLL2BAR, RESIZE_BOTTOM,    14,   444,   455,    14,   125, STR_NULL,                    STR_0190_SCROLL_BAR_SCROLLS_LIST},
bjarni@5808: {      WWT_PANEL,     RESIZE_TB,    14,   228,   455,   126,   217, 0x0,                         STR_NULL},
bjarni@5808: {  WWT_RESIZEBOX,     RESIZE_TB,    14,   444,   455,   218,   229, STR_NULL,                    STR_RESIZE_BUTTON},
bjarni@5808: {   WIDGETS_END},
bjarni@5808: };
bjarni@5808: 
bjarni@5808: static const Widget _replace_ship_aircraft_vehicle_widgets[] = {
bjarni@5808: {   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,                    STR_018B_CLOSE_WINDOW},
bjarni@5808: {    WWT_CAPTION,   RESIZE_NONE,    14,    11,   443,     0,    13, STR_REPLACE_VEHICLES_WHITE,  STR_018C_WINDOW_TITLE_DRAG_THIS},
bjarni@5808: {  WWT_STICKYBOX,   RESIZE_NONE,    14,   444,   455,     0,    13, STR_NULL,                    STR_STICKY_BUTTON},
bjarni@5808: {      WWT_PANEL,     RESIZE_TB,    14,     0,   227,   110,   201, 0x0,                         STR_NULL},
bjarni@5808: { WWT_PUSHTXTBTN,     RESIZE_TB,    14,     0,   138,   202,   213, STR_REPLACE_VEHICLES_START,  STR_REPLACE_HELP_START_BUTTON},
bjarni@5808: {      WWT_PANEL,     RESIZE_TB,    14,   139,   305,   202,   213, 0x0,                         STR_REPLACE_HELP_REPLACE_INFO_TAB},
bjarni@5808: { WWT_PUSHTXTBTN,     RESIZE_TB,    14,   306,   443,   202,   213, STR_REPLACE_VEHICLES_STOP,   STR_REPLACE_HELP_STOP_BUTTON},
bjarni@5808: {     WWT_MATRIX, RESIZE_BOTTOM,    14,     0,   215,    14,   109, 0x401,                       STR_REPLACE_HELP_LEFT_ARRAY},
bjarni@5808: {  WWT_SCROLLBAR, RESIZE_BOTTOM,    14,   216,   227,    14,   109, STR_NULL,                    STR_0190_SCROLL_BAR_SCROLLS_LIST},
bjarni@5808: {     WWT_MATRIX, RESIZE_BOTTOM,    14,   228,   443,    14,   109, 0x401,                       STR_REPLACE_HELP_RIGHT_ARRAY},
bjarni@5808: { WWT_SCROLL2BAR, RESIZE_BOTTOM,    14,   444,   455,    14,   109, STR_NULL,                    STR_0190_SCROLL_BAR_SCROLLS_LIST},
bjarni@5808: {      WWT_PANEL,     RESIZE_TB,    14,   228,   455,   110,   201, 0x0,                         STR_NULL},
bjarni@5808: {  WWT_RESIZEBOX,     RESIZE_TB,    14,   444,   455,   202,   213, STR_NULL,                    STR_RESIZE_BUTTON},
bjarni@5808: {   WIDGETS_END},
bjarni@5808: };
bjarni@5808: 
bjarni@5808: static const WindowDesc _replace_rail_vehicle_desc = {
bjarni@5808: 	WDP_AUTO, WDP_AUTO, 456, 252,
rubidium@5893: 	WC_REPLACE_VEHICLE, WC_NONE,
bjarni@5808: 	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,
bjarni@5808: 	_replace_rail_vehicle_widgets,
bjarni@5808: 	ReplaceVehicleWndProc
bjarni@5808: };
bjarni@5808: 
bjarni@5808: static const WindowDesc _replace_road_vehicle_desc = {
bjarni@5808: 	WDP_AUTO, WDP_AUTO, 456, 230,
rubidium@5893: 	WC_REPLACE_VEHICLE, WC_NONE,
bjarni@5808: 	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,
bjarni@5808: 	_replace_road_vehicle_widgets,
bjarni@5808: 	ReplaceVehicleWndProc
bjarni@5808: };
bjarni@5808: 
bjarni@5808: static const WindowDesc _replace_ship_aircraft_vehicle_desc = {
bjarni@5808: 	WDP_AUTO, WDP_AUTO, 456, 214,
rubidium@5893: 	WC_REPLACE_VEHICLE, WC_NONE,
bjarni@5808: 	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,
bjarni@5808: 	_replace_ship_aircraft_vehicle_widgets,
bjarni@5808: 	ReplaceVehicleWndProc
bjarni@5808: };
bjarni@5808: 
bjarni@5808: 
rubidium@6638: void ShowReplaceVehicleWindow(VehicleType vehicletype)
bjarni@5808: {
bjarni@5808: 	Window *w;
bjarni@5808: 
bjarni@5808: 	DeleteWindowById(WC_REPLACE_VEHICLE, vehicletype);
bjarni@5808: 
bjarni@5808: 	switch (vehicletype) {
rubidium@6259: 		case VEH_TRAIN:
bjarni@5808: 			w = AllocateWindowDescFront(&_replace_rail_vehicle_desc, vehicletype);
bjarni@5808: 			w->vscroll.cap  = 8;
bjarni@5808: 			w->resize.step_height = 14;
bjarni@5808: 			WP(w, replaceveh_d).wagon_btnstate = true;
bjarni@5808: 			break;
rubidium@6259: 		case VEH_ROAD:
bjarni@5808: 			w = AllocateWindowDescFront(&_replace_road_vehicle_desc, vehicletype);
bjarni@5808: 			w->vscroll.cap  = 8;
bjarni@5808: 			w->resize.step_height = 14;
bjarni@5808: 			break;
rubidium@6259: 		case VEH_SHIP:
rubidium@6259: 		case VEH_AIRCRAFT:
bjarni@5808: 			w = AllocateWindowDescFront(&_replace_ship_aircraft_vehicle_desc, vehicletype);
bjarni@5808: 			w->vscroll.cap  = 4;
bjarni@5808: 			w->resize.step_height = 24;
bjarni@5808: 			break;
bjarni@5808: 		default: return;
bjarni@5808: 	}
bjarni@5808: 
bjarni@5808: 	w->caption_color = _local_player;
bjarni@5808: 	w->vscroll2.cap = w->vscroll.cap;   // these two are always the same
rubidium@6643: 	WP(w, replaceveh_d).sel_group = DEFAULT_GROUP;
rubidium@6643:  }
rubidium@6643: 
rubidium@6643: void ShowReplaceGroupVehicleWindow(GroupID id_g, VehicleType vehicletype)
rubidium@6643: {
rubidium@6643: 	Window *w;
rubidium@6643: 
rubidium@6643: 	DeleteWindowById(WC_REPLACE_VEHICLE, vehicletype);
rubidium@6643: 
rubidium@6643: 	switch (vehicletype) {
rubidium@6643: 		default: NOT_REACHED();
rubidium@6643: 		case VEH_TRAIN:
rubidium@6643: 			w = AllocateWindowDescFront(&_replace_rail_vehicle_desc, vehicletype);
rubidium@6643: 			w->vscroll.cap  = 8;
rubidium@6643: 			w->resize.step_height = 14;
rubidium@6643: 			WP(w, replaceveh_d).wagon_btnstate = true;
rubidium@6643: 			break;
rubidium@6643: 		case VEH_ROAD:
rubidium@6643: 			w = AllocateWindowDescFront(&_replace_road_vehicle_desc, vehicletype);
rubidium@6643: 			w->vscroll.cap  = 8;
rubidium@6643: 			w->resize.step_height = 14;
rubidium@6643: 			break;
rubidium@6643: 		case VEH_SHIP:
rubidium@6643: 		case VEH_AIRCRAFT:
rubidium@6643: 			w = AllocateWindowDescFront(&_replace_ship_aircraft_vehicle_desc, vehicletype);
rubidium@6643: 			w->vscroll.cap  = 4;
rubidium@6643: 			w->resize.step_height = 24;
rubidium@6643: 			break;
rubidium@6643: 	}
rubidium@6643: 
rubidium@6643: 	w->caption_color = _local_player;
rubidium@6643: 	WP(w, replaceveh_d).sel_group = id_g;
rubidium@6643: 	w->vscroll2.cap = w->vscroll.cap;   // these two are always the same
bjarni@5808: }