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 }