# airport_gui.cpp

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    00001 /* $Id: airport_gui.cpp 26165 2013-12-18 18:23:30Z frosch $ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
    00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
    00008  */
    00009
    00012 #include "stdafx.h"
    00013 #include "window_gui.h"
    00014 #include "station_gui.h"
    00015 #include "terraform_gui.h"
    00016 #include "sound_func.h"
    00017 #include "window_func.h"
    00018 #include "strings_func.h"
    00019 #include "viewport_func.h"
    00020 #include "company_func.h"
    00021 #include "tilehighlight_func.h"
    00022 #include "company_base.h"
    00023 #include "station_type.h"
    00024 #include "newgrf_airport.h"
    00025 #include "newgrf_callbacks.h"
    00026 #include "widgets/dropdown_type.h"
    00027 #include "core/geometry_func.hpp"
    00028 #include "hotkeys.h"
    00029 #include "vehicle_func.h"
    00030 #include "gui.h"
    00031
    00032 #include "widgets/airport_widget.h"
    00033
    00034
    00035 static AirportClassID _selected_airport_class;
    00036 static int _selected_airport_index;
    00037 static byte _selected_airport_layout;
    00038
    00039 static void ShowBuildAirportPicker(Window *parent);
    00040
    00041 SpriteID GetCustomAirportSprite(const AirportSpec *as, byte layout);
    00042
    00043 void CcBuildAirport(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
    00044 {
    00045   if (result.Failed()) return;
    00046
    00047   if (_settings_client.sound.confirm) SndPlayTileFx(SND_1F_SPLAT, tile);
    00048   if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
    00049 }
    00050
    00055 static void PlaceAirport(TileIndex tile)
    00056 {
    00057   if (_selected_airport_index == -1) return;
    00058   uint32 p2 = _ctrl_pressed;
    00059   SB(p2, 16, 16, INVALID_STATION); // no station to join
    00060
    00061   uint32 p1 = AirportClass::Get(_selected_airport_class)->GetSpec(_selected_airport_index)->GetIndex();
    00062   p1 |= _selected_airport_layout << 8;
    00063   CommandContainer cmdcont = { tile, p1, p2, CMD_BUILD_AIRPORT | CMD_MSG(STR_ERROR_CAN_T_BUILD_AIRPORT_HERE), CcBuildAirport, "" };
    00064   ShowSelectStationIfNeeded(cmdcont, TileArea(tile, _thd.size.x / TILE_SIZE, _thd.size.y / TILE_SIZE));
    00065 }
    00066
    00068 struct BuildAirToolbarWindow : Window {
    00069   int last_user_action; // Last started user action.
    00070
    00071   BuildAirToolbarWindow(WindowDesc *desc, WindowNumber window_number) : Window(desc)
    00072   {
    00073     this->InitNested(window_number);
    00074     if (_settings_client.gui.link_terraform_toolbar) ShowTerraformToolbar(this);
    00075     this->last_user_action = WIDGET_LIST_END;
    00076   }
    00077
    00078   ~BuildAirToolbarWindow()
    00079   {
    00080     if (_settings_client.gui.link_terraform_toolbar) DeleteWindowById(WC_SCEN_LAND_GEN, 0, false);
    00081   }
    00082
    00083   virtual void OnClick(Point pt, int widget, int click_count)
    00084   {
    00085     switch (widget) {
    00086       case WID_AT_AIRPORT:
    00087         if (HandlePlacePushButton(this, WID_AT_AIRPORT, SPR_CURSOR_AIRPORT, HT_RECT)) {
    00088           ShowBuildAirportPicker(this);
    00089           this->last_user_action = widget;
    00090         }
    00091         break;
    00092
    00093       case WID_AT_DEMOLISH:
    00094         HandlePlacePushButton(this, WID_AT_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT | HT_DIAGONAL);
    00095         this->last_user_action = widget;
    00096         break;
    00097
    00098       default: break;
    00099     }
    00100   }
    00101
    00102
    00103   virtual void OnPlaceObject(Point pt, TileIndex tile)
    00104   {
    00105     switch (this->last_user_action) {
    00106       case WID_AT_AIRPORT:
    00107         PlaceAirport(tile);
    00108         break;
    00109
    00110       case WID_AT_DEMOLISH:
    00111         PlaceProc_DemolishArea(tile);
    00112         break;
    00113
    00114       default: NOT_REACHED();
    00115     }
    00116   }
    00117
    00118   virtual void OnPlaceDrag(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt)
    00119   {
    00120     VpSelectTilesWithMethod(pt.x, pt.y, select_method);
    00121   }
    00122
    00123   virtual void OnPlaceMouseUp(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt, TileIndex start_tile, TileIndex end_tile)
    00124   {
    00125     if (pt.x != -1 && select_proc == DDSP_DEMOLISH_AREA) {
    00126       GUIPlaceProcDragXY(select_proc, start_tile, end_tile);
    00127     }
    00128   }
    00129
    00130   virtual void OnPlaceObjectAbort()
    00131   {
    00132     this->RaiseButtons();
    00133
    00134     DeleteWindowById(WC_BUILD_STATION, TRANSPORT_AIR);
    00135     DeleteWindowById(WC_SELECT_STATION, 0);
    00136   }
    00137
    00138   static HotkeyList hotkeys;
    00139 };
    00140
    00146 static EventState AirportToolbarGlobalHotkeys(int hotkey)
    00147 {
    00148   if (_game_mode != GM_NORMAL || !CanBuildVehicleInfrastructure(VEH_AIRCRAFT)) return ES_NOT_HANDLED;
    00149   Window *w = ShowBuildAirToolbar();
    00150   if (w == NULL) return ES_NOT_HANDLED;
    00151   return w->OnHotkey(hotkey);
    00152 }
    00153
    00154 static Hotkey airtoolbar_hotkeys[] = {
    00155   Hotkey('1', "airport", WID_AT_AIRPORT),
    00156   Hotkey('2', "demolish", WID_AT_DEMOLISH),
    00157   HOTKEY_LIST_END
    00158 };
    00159 HotkeyList BuildAirToolbarWindow::hotkeys("airtoolbar", airtoolbar_hotkeys, AirportToolbarGlobalHotkeys);
    00160
    00161 static const NWidgetPart _nested_air_toolbar_widgets[] = {
    00162   NWidget(NWID_HORIZONTAL),
    00163     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
    00164     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_TOOLBAR_AIRCRAFT_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00165     NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
    00166   EndContainer(),
    00167   NWidget(NWID_HORIZONTAL),
    00168     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_AT_AIRPORT), SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_AIRPORT, STR_TOOLBAR_AIRCRAFT_BUILD_AIRPORT_TOOLTIP),
    00169     NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetMinimalSize(4, 22), SetFill(1, 1), EndContainer(),
    00170     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_AT_DEMOLISH), SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
    00171   EndContainer(),
    00172 };
    00173
    00174 static WindowDesc _air_toolbar_desc(
    00175   WDP_ALIGN_TOOLBAR, "toolbar_air", 0, 0,
    00176   WC_BUILD_TOOLBAR, WC_NONE,
    00177   WDF_CONSTRUCTION,
    00178   _nested_air_toolbar_widgets, lengthof(_nested_air_toolbar_widgets),
    00179   &BuildAirToolbarWindow::hotkeys
    00180 );
    00181
    00189 Window *ShowBuildAirToolbar()
    00190 {
    00191   if (!Company::IsValidID(_local_company)) return NULL;
    00192
    00193   DeleteWindowByClass(WC_BUILD_TOOLBAR);
    00194   return AllocateWindowDescFront<BuildAirToolbarWindow>(&_air_toolbar_desc, TRANSPORT_AIR);
    00195 }
    00196
    00197 class BuildAirportWindow : public PickerWindowBase {
    00198   SpriteID preview_sprite;
    00199   int line_height;
    00200   Scrollbar *vscroll;
    00201
    00203   static DropDownList *BuildAirportClassDropDown()
    00204   {
    00205     DropDownList *list = new DropDownList();
    00206
    00207     for (uint i = 0; i < AirportClass::GetClassCount(); i++) {
    00208       *list->Append() = new DropDownListStringItem(AirportClass::Get((AirportClassID)i)->name, i, false);
    00209     }
    00210
    00211     return list;
    00212   }
    00213
    00214 public:
    00215   BuildAirportWindow(WindowDesc *desc, Window *parent) : PickerWindowBase(desc, parent)
    00216   {
    00217     this->CreateNestedTree();
    00218
    00219     this->vscroll = this->GetScrollbar(WID_AP_SCROLLBAR);
    00220     this->vscroll->SetCapacity(5);
    00221     this->vscroll->SetPosition(0);
    00222
    00223     this->FinishInitNested(TRANSPORT_AIR);
    00224
    00225     this->SetWidgetLoweredState(WID_AP_BTN_DONTHILIGHT, !_settings_client.gui.station_show_coverage);
    00226     this->SetWidgetLoweredState(WID_AP_BTN_DOHILIGHT, _settings_client.gui.station_show_coverage);
    00227     this->OnInvalidateData();
    00228
    00229     this->vscroll->SetCount(AirportClass::Get(_selected_airport_class)->GetSpecCount());
    00230     this->SelectFirstAvailableAirport(true);
    00231   }
    00232
    00233   virtual ~BuildAirportWindow()
    00234   {
    00235     DeleteWindowById(WC_SELECT_STATION, 0);
    00236   }
    00237
    00238   virtual void SetStringParameters(int widget) const
    00239   {
    00240     switch (widget) {
    00241       case WID_AP_CLASS_DROPDOWN:
    00242         SetDParam(0, AirportClass::Get(_selected_airport_class)->name);
    00243         break;
    00244
    00245       case WID_AP_LAYOUT_NUM:
    00246         SetDParam(0, STR_EMPTY);
    00247         if (_selected_airport_index != -1) {
    00248           const AirportSpec *as = AirportClass::Get(_selected_airport_class)->GetSpec(_selected_airport_index);
    00249           StringID string = GetAirportTextCallback(as, _selected_airport_layout, CBID_AIRPORT_LAYOUT_NAME);
    00250           if (string != STR_UNDEFINED) {
    00251             SetDParam(0, string);
    00252           } else if (as->num_table > 1) {
    00253             SetDParam(0, STR_STATION_BUILD_AIRPORT_LAYOUT_NAME);
    00254             SetDParam(1, _selected_airport_layout + 1);
    00255           }
    00256         }
    00257         break;
    00258
    00259       default: break;
    00260     }
    00261   }
    00262
    00263   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00264   {
    00265     switch (widget) {
    00266       case WID_AP_CLASS_DROPDOWN: {
    00267         Dimension d = {0, 0};
    00268         for (uint i = 0; i < AirportClass::GetClassCount(); i++) {
    00269           SetDParam(0, AirportClass::Get((AirportClassID)i)->name);
    00270           d = maxdim(d, GetStringBoundingBox(STR_BLACK_STRING));
    00271         }
    00272         d.width += padding.width;
    00273         d.height += padding.height;
    00274         *size = maxdim(*size, d);
    00275         break;
    00276       }
    00277
    00278       case WID_AP_AIRPORT_LIST: {
    00279         for (int i = 0; i < NUM_AIRPORTS; i++) {
    00280           const AirportSpec *as = AirportSpec::Get(i);
    00281           if (!as->enabled) continue;
    00282
    00283           size->width = max(size->width, GetStringBoundingBox(as->name).width);
    00284         }
    00285
    00286         this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
    00287         size->height = 5 * this->line_height;
    00288         break;
    00289       }
    00290
    00291       case WID_AP_AIRPORT_SPRITE:
    00292         for (int i = 0; i < NUM_AIRPORTS; i++) {
    00293           const AirportSpec *as = AirportSpec::Get(i);
    00294           if (!as->enabled) continue;
    00295           for (byte layout = 0; layout < as->num_table; layout++) {
    00296             SpriteID sprite = GetCustomAirportSprite(as, layout);
    00297             if (sprite != 0) {
    00298               Dimension d = GetSpriteSize(sprite);
    00299               d.width += WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
    00300               d.height += WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
    00301               *size = maxdim(d, *size);
    00302             }
    00303           }
    00304         }
    00305         break;
    00306
    00307       case WID_AP_EXTRA_TEXT:
    00308         for (int i = NEW_AIRPORT_OFFSET; i < NUM_AIRPORTS; i++) {
    00309           const AirportSpec *as = AirportSpec::Get(i);
    00310           if (!as->enabled) continue;
    00311           for (byte layout = 0; layout < as->num_table; layout++) {
    00312             StringID string = GetAirportTextCallback(as, layout, CBID_AIRPORT_ADDITIONAL_TEXT);
    00313             if (string == STR_UNDEFINED) continue;
    00314
    00315             /* STR_BLACK_STRING is used to start the string with {BLACK} */
    00316             SetDParam(0, string);
    00317             Dimension d = GetStringMultiLineBoundingBox(STR_BLACK_STRING, *size);
    00318             *size = maxdim(d, *size);
    00319           }
    00320         }
    00321         break;
    00322
    00323       default: break;
    00324     }
    00325   }
    00326
    00327   virtual void DrawWidget(const Rect &r, int widget) const
    00328   {
    00329     switch (widget) {
    00330       case WID_AP_AIRPORT_LIST: {
    00331         int y = r.top;
    00332         AirportClass *apclass = AirportClass::Get(_selected_airport_class);
    00333         for (uint i = this->vscroll->GetPosition(); this->vscroll->IsVisible(i) && i < apclass->GetSpecCount(); i++) {
    00334           const AirportSpec *as = apclass->GetSpec(i);
    00335           if (!as->IsAvailable()) {
    00336             GfxFillRect(r.left + 1, y + 1, r.right - 1, y + this->line_height - 2, PC_BLACK, FILLRECT_CHECKER);
    00337           }
    00338           DrawString(r.left + WD_MATRIX_LEFT, r.right - WD_MATRIX_RIGHT, y + WD_MATRIX_TOP, as->name, ((int)i == _selected_airport_index) ? TC_WHITE : TC_BLACK);
    00339           y += this->line_height;
    00340         }
    00341         break;
    00342       }
    00343
    00344       case WID_AP_AIRPORT_SPRITE:
    00345         if (this->preview_sprite != 0) {
    00346           Dimension d = GetSpriteSize(this->preview_sprite);
    00347           DrawSprite(this->preview_sprite, COMPANY_SPRITE_COLOUR(_local_company), (r.left + r.right - d.width) / 2, (r.top + r.bottom - d.height) / 2);
    00348         }
    00349         break;
    00350
    00351       case WID_AP_EXTRA_TEXT:
    00352         if (_selected_airport_index != -1) {
    00353           const AirportSpec *as = AirportClass::Get(_selected_airport_class)->GetSpec(_selected_airport_index);
    00354           StringID string = GetAirportTextCallback(as, _selected_airport_layout, CBID_AIRPORT_ADDITIONAL_TEXT);
    00355           if (string != STR_UNDEFINED) {
    00356             SetDParam(0, string);
    00357             DrawStringMultiLine(r.left, r.right, r.top, r.bottom, STR_BLACK_STRING);
    00358           }
    00359         }
    00360         break;
    00361     }
    00362   }
    00363
    00364   virtual void OnPaint()
    00365   {
    00366     this->DrawWidgets();
    00367
    00368     uint16 top = this->GetWidget<NWidgetBase>(WID_AP_BTN_DOHILIGHT)->pos_y + this->GetWidget<NWidgetBase>(WID_AP_BTN_DOHILIGHT)->current_y + WD_PAR_VSEP_NORMAL;
    00369     NWidgetBase *panel_nwi = this->GetWidget<NWidgetBase>(WID_AP_BOTTOMPANEL);
    00370
    00371     int right = panel_nwi->pos_x +  panel_nwi->current_x;
    00372     int bottom = panel_nwi->pos_y +  panel_nwi->current_y;
    00373
    00374     if (_selected_airport_index != -1) {
    00375       const AirportSpec *as = AirportClass::Get(_selected_airport_class)->GetSpec(_selected_airport_index);
    00376       int rad = _settings_game.station.modified_catchment ? as->catchment : (uint)CA_UNMODIFIED;
    00377
    00378       /* only show the station (airport) noise, if the noise option is activated */
    00379       if (_settings_game.economy.station_noise_level) {
    00380         /* show the noise of the selected airport */
    00381         SetDParam(0, as->noise_level);
    00382         DrawString(panel_nwi->pos_x + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, STR_STATION_BUILD_NOISE);
    00383         top += FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL;
    00384       }
    00385
    00386       /* strings such as 'Size' and 'Coverage Area' */
    00387       top = DrawStationCoverageAreaText(panel_nwi->pos_x + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, SCT_ALL, rad, false) + WD_PAR_VSEP_NORMAL;
    00388       top = DrawStationCoverageAreaText(panel_nwi->pos_x + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, SCT_ALL, rad, true) + WD_PAR_VSEP_NORMAL;
    00389     }
    00390
    00391     /* Resize background if the window is too small.
    00392      * Never make the window smaller to avoid oscillating if the size change affects the acceptance.
    00393      * (This is the case, if making the window bigger moves the mouse into the window.) */
    00394     if (top > bottom) {
    00395       ResizeWindow(this, 0, top - bottom);
    00396     }
    00397   }
    00398
    00399   void SelectOtherAirport(int airport_index)
    00400   {
    00401     _selected_airport_index = airport_index;
    00402     _selected_airport_layout = 0;
    00403
    00404     this->UpdateSelectSize();
    00405     this->SetDirty();
    00406   }
    00407
    00408   void UpdateSelectSize()
    00409   {
    00410     if (_selected_airport_index == -1) {
    00411       SetTileSelectSize(1, 1);
    00412       this->DisableWidget(WID_AP_LAYOUT_DECREASE);
    00413       this->DisableWidget(WID_AP_LAYOUT_INCREASE);
    00414     } else {
    00415       const AirportSpec *as = AirportClass::Get(_selected_airport_class)->GetSpec(_selected_airport_index);
    00416       int w = as->size_x;
    00417       int h = as->size_y;
    00418       Direction rotation = as->rotation[_selected_airport_layout];
    00419       if (rotation == DIR_E || rotation == DIR_W) Swap(w, h);
    00420       SetTileSelectSize(w, h);
    00421
    00422       this->preview_sprite = GetCustomAirportSprite(as, _selected_airport_layout);
    00423
    00424       this->SetWidgetDisabledState(WID_AP_LAYOUT_DECREASE, _selected_airport_layout == 0);
    00425       this->SetWidgetDisabledState(WID_AP_LAYOUT_INCREASE, _selected_airport_layout + 1 >= as->num_table);
    00426
    00427       int rad = _settings_game.station.modified_catchment ? as->catchment : (uint)CA_UNMODIFIED;
    00428       if (_settings_client.gui.station_show_coverage) SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);
    00429     }
    00430   }
    00431
    00432   virtual void OnClick(Point pt, int widget, int click_count)
    00433   {
    00434     switch (widget) {
    00435       case WID_AP_CLASS_DROPDOWN:
    00436         ShowDropDownList(this, BuildAirportClassDropDown(), _selected_airport_class, WID_AP_CLASS_DROPDOWN);
    00437         break;
    00438
    00439       case WID_AP_AIRPORT_LIST: {
    00440         int num_clicked = this->vscroll->GetPosition() + (pt.y - this->nested_array[widget]->pos_y) / this->line_height;
    00441         if (num_clicked >= this->vscroll->GetCount()) break;
    00442         const AirportSpec *as = AirportClass::Get(_selected_airport_class)->GetSpec(num_clicked);
    00443         if (as->IsAvailable()) this->SelectOtherAirport(num_clicked);
    00444         break;
    00445       }
    00446
    00447       case WID_AP_BTN_DONTHILIGHT: case WID_AP_BTN_DOHILIGHT:
    00448         _settings_client.gui.station_show_coverage = (widget != WID_AP_BTN_DONTHILIGHT);
    00449         this->SetWidgetLoweredState(WID_AP_BTN_DONTHILIGHT, !_settings_client.gui.station_show_coverage);
    00450         this->SetWidgetLoweredState(WID_AP_BTN_DOHILIGHT, _settings_client.gui.station_show_coverage);
    00451         this->SetDirty();
    00452         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
    00453         this->UpdateSelectSize();
    00454         break;
    00455
    00456       case WID_AP_LAYOUT_DECREASE:
    00457         _selected_airport_layout--;
    00458         this->UpdateSelectSize();
    00459         this->SetDirty();
    00460         break;
    00461
    00462       case WID_AP_LAYOUT_INCREASE:
    00463         _selected_airport_layout++;
    00464         this->UpdateSelectSize();
    00465         this->SetDirty();
    00466         break;
    00467     }
    00468   }
    00469
    00475   void SelectFirstAvailableAirport(bool change_class)
    00476   {
    00477     /* First try to select an airport in the selected class. */
    00478     AirportClass *sel_apclass = AirportClass::Get(_selected_airport_class);
    00479     for (uint i = 0; i < sel_apclass->GetSpecCount(); i++) {
    00480       const AirportSpec *as = sel_apclass->GetSpec(i);
    00481       if (as->IsAvailable()) {
    00482         this->SelectOtherAirport(i);
    00483         return;
    00484       }
    00485     }
    00486     if (change_class) {
    00487       /* If that fails, select the first available airport
    00488        * from a random class. */
    00489       for (AirportClassID j = APC_BEGIN; j < APC_MAX; j++) {
    00490         AirportClass *apclass = AirportClass::Get(j);
    00491         for (uint i = 0; i < apclass->GetSpecCount(); i++) {
    00492           const AirportSpec *as = apclass->GetSpec(i);
    00493           if (as->IsAvailable()) {
    00494             _selected_airport_class = j;
    00495             this->SelectOtherAirport(i);
    00496             return;
    00497           }
    00498         }
    00499       }
    00500     }
    00501     /* If all airports are unavailable, select nothing. */
    00502     this->SelectOtherAirport(-1);
    00503   }
    00504
    00505   virtual void OnDropdownSelect(int widget, int index)
    00506   {
    00507     assert(widget == WID_AP_CLASS_DROPDOWN);
    00508     _selected_airport_class = (AirportClassID)index;
    00509     this->vscroll->SetCount(AirportClass::Get(_selected_airport_class)->GetSpecCount());
    00510     this->SelectFirstAvailableAirport(false);
    00511   }
    00512
    00513   virtual void OnTick()
    00514   {
    00515     CheckRedrawStationCoverage(this);
    00516   }
    00517 };
    00518
    00519 static const NWidgetPart _nested_build_airport_widgets[] = {
    00520   NWidget(NWID_HORIZONTAL),
    00521     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
    00522     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_AIRPORT_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00523   EndContainer(),
    00524   NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetFill(1, 0), SetPIP(2, 0, 2),
    00525     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_AIRPORT_CLASS_LABEL, STR_NULL), SetFill(1, 0),
    00526     NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_AP_CLASS_DROPDOWN), SetFill(1, 0), SetDataTip(STR_BLACK_STRING, STR_STATION_BUILD_AIRPORT_TOOLTIP),
    00527     NWidget(WWT_EMPTY, COLOUR_DARK_GREEN, WID_AP_AIRPORT_SPRITE), SetFill(1, 0),
    00528     NWidget(NWID_HORIZONTAL),
    00529       NWidget(WWT_MATRIX, COLOUR_GREY, WID_AP_AIRPORT_LIST), SetFill(1, 0), SetMatrixDataTip(1, 5, STR_STATION_BUILD_AIRPORT_TOOLTIP), SetScrollbar(WID_AP_SCROLLBAR),
    00530       NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_AP_SCROLLBAR),
    00531     EndContainer(),
    00532     NWidget(NWID_HORIZONTAL),
    00533       NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, WID_AP_LAYOUT_DECREASE), SetMinimalSize(12, 0), SetDataTip(AWV_DECREASE, STR_NULL),
    00534       NWidget(WWT_LABEL, COLOUR_GREY, WID_AP_LAYOUT_NUM), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_BLACK_STRING, STR_NULL),
    00535       NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, WID_AP_LAYOUT_INCREASE), SetMinimalSize(12, 0), SetDataTip(AWV_INCREASE, STR_NULL),
    00536     EndContainer(),
    00537     NWidget(WWT_EMPTY, COLOUR_DARK_GREEN, WID_AP_EXTRA_TEXT), SetFill(1, 0), SetMinimalSize(150, 0),
    00538   EndContainer(),
    00539   /* Bottom panel. */
    00540   NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_AP_BOTTOMPANEL), SetPIP(2, 2, 2),
    00541     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL), SetFill(1, 0),
    00542     NWidget(NWID_HORIZONTAL),
    00543       NWidget(NWID_SPACER), SetMinimalSize(14, 0), SetFill(1, 0),
    00544       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    00545         NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_AP_BTN_DONTHILIGHT), SetMinimalSize(60, 12), SetFill(1, 0),
    00546                       SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
    00547         NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_AP_BTN_DOHILIGHT), SetMinimalSize(60, 12), SetFill(1, 0),
    00548                       SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
    00549       EndContainer(),
    00550       NWidget(NWID_SPACER), SetMinimalSize(14, 0), SetFill(1, 0),
    00551     EndContainer(),
    00552     NWidget(NWID_SPACER), SetMinimalSize(0, 10), SetResize(0, 1), SetFill(1, 0),
    00553   EndContainer(),
    00554 };
    00555
    00556 static WindowDesc _build_airport_desc(
    00557   WDP_AUTO, "build_station_air", 0, 0,
    00558   WC_BUILD_STATION, WC_BUILD_TOOLBAR,
    00559   WDF_CONSTRUCTION,
    00560   _nested_build_airport_widgets, lengthof(_nested_build_airport_widgets)
    00561 );
    00562
    00563 static void ShowBuildAirportPicker(Window *parent)
    00564 {
    00565   new BuildAirportWindow(&_build_airport_desc, parent);
    00566 }
    00567
    00568 void InitializeAirportGui()
    00569 {
    00570   _selected_airport_class = APC_BEGIN;
    00571   _selected_airport_index = -1;
    00572 }