airport_gui.cpp

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00001 /* $Id: airport_gui.cpp 26789 2014-09-07 15:07:22Z 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_OTHER, 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     /* Ensure airport class is valid (changing NewGRFs). */
00230     _selected_airport_class = Clamp(_selected_airport_class, APC_BEGIN, (AirportClassID)(AirportClass::GetClassCount() - 1));
00231     const AirportClass *ac = AirportClass::Get(_selected_airport_class);
00232     this->vscroll->SetCount(ac->GetSpecCount());
00233 
00234     /* Ensure the airport index is valid for this class (changing NewGRFs). */
00235     _selected_airport_index = Clamp(_selected_airport_index, -1, ac->GetSpecCount() - 1);
00236 
00237     /* Only when no valid airport was selected, we want to select the first airport. */
00238     bool selectFirstAirport = true;
00239     if (_selected_airport_index != -1) {
00240       const AirportSpec *as = ac->GetSpec(_selected_airport_index);
00241       if (as->IsAvailable()) {
00242         /* Ensure the airport layout is valid. */
00243         _selected_airport_layout = Clamp(_selected_airport_layout, 0, as->num_table - 1);
00244         selectFirstAirport = false;
00245         this->UpdateSelectSize();
00246       }
00247     }
00248 
00249     if (selectFirstAirport) this->SelectFirstAvailableAirport(true);
00250   }
00251 
00252   virtual ~BuildAirportWindow()
00253   {
00254     DeleteWindowById(WC_SELECT_STATION, 0);
00255   }
00256 
00257   virtual void SetStringParameters(int widget) const
00258   {
00259     switch (widget) {
00260       case WID_AP_CLASS_DROPDOWN:
00261         SetDParam(0, AirportClass::Get(_selected_airport_class)->name);
00262         break;
00263 
00264       case WID_AP_LAYOUT_NUM:
00265         SetDParam(0, STR_EMPTY);
00266         if (_selected_airport_index != -1) {
00267           const AirportSpec *as = AirportClass::Get(_selected_airport_class)->GetSpec(_selected_airport_index);
00268           StringID string = GetAirportTextCallback(as, _selected_airport_layout, CBID_AIRPORT_LAYOUT_NAME);
00269           if (string != STR_UNDEFINED) {
00270             SetDParam(0, string);
00271           } else if (as->num_table > 1) {
00272             SetDParam(0, STR_STATION_BUILD_AIRPORT_LAYOUT_NAME);
00273             SetDParam(1, _selected_airport_layout + 1);
00274           }
00275         }
00276         break;
00277 
00278       default: break;
00279     }
00280   }
00281 
00282   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00283   {
00284     switch (widget) {
00285       case WID_AP_CLASS_DROPDOWN: {
00286         Dimension d = {0, 0};
00287         for (uint i = 0; i < AirportClass::GetClassCount(); i++) {
00288           SetDParam(0, AirportClass::Get((AirportClassID)i)->name);
00289           d = maxdim(d, GetStringBoundingBox(STR_BLACK_STRING));
00290         }
00291         d.width += padding.width;
00292         d.height += padding.height;
00293         *size = maxdim(*size, d);
00294         break;
00295       }
00296 
00297       case WID_AP_AIRPORT_LIST: {
00298         for (int i = 0; i < NUM_AIRPORTS; i++) {
00299           const AirportSpec *as = AirportSpec::Get(i);
00300           if (!as->enabled) continue;
00301 
00302           size->width = max(size->width, GetStringBoundingBox(as->name).width);
00303         }
00304 
00305         this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
00306         size->height = 5 * this->line_height;
00307         break;
00308       }
00309 
00310       case WID_AP_AIRPORT_SPRITE:
00311         for (int i = 0; i < NUM_AIRPORTS; i++) {
00312           const AirportSpec *as = AirportSpec::Get(i);
00313           if (!as->enabled) continue;
00314           for (byte layout = 0; layout < as->num_table; layout++) {
00315             SpriteID sprite = GetCustomAirportSprite(as, layout);
00316             if (sprite != 0) {
00317               Dimension d = GetSpriteSize(sprite);
00318               d.width += WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
00319               d.height += WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
00320               *size = maxdim(d, *size);
00321             }
00322           }
00323         }
00324         break;
00325 
00326       case WID_AP_EXTRA_TEXT:
00327         for (int i = NEW_AIRPORT_OFFSET; i < NUM_AIRPORTS; i++) {
00328           const AirportSpec *as = AirportSpec::Get(i);
00329           if (!as->enabled) continue;
00330           for (byte layout = 0; layout < as->num_table; layout++) {
00331             StringID string = GetAirportTextCallback(as, layout, CBID_AIRPORT_ADDITIONAL_TEXT);
00332             if (string == STR_UNDEFINED) continue;
00333 
00334             /* STR_BLACK_STRING is used to start the string with {BLACK} */
00335             SetDParam(0, string);
00336             Dimension d = GetStringMultiLineBoundingBox(STR_BLACK_STRING, *size);
00337             *size = maxdim(d, *size);
00338           }
00339         }
00340         break;
00341 
00342       default: break;
00343     }
00344   }
00345 
00346   virtual void DrawWidget(const Rect &r, int widget) const
00347   {
00348     switch (widget) {
00349       case WID_AP_AIRPORT_LIST: {
00350         int y = r.top;
00351         AirportClass *apclass = AirportClass::Get(_selected_airport_class);
00352         for (uint i = this->vscroll->GetPosition(); this->vscroll->IsVisible(i) && i < apclass->GetSpecCount(); i++) {
00353           const AirportSpec *as = apclass->GetSpec(i);
00354           if (!as->IsAvailable()) {
00355             GfxFillRect(r.left + 1, y + 1, r.right - 1, y + this->line_height - 2, PC_BLACK, FILLRECT_CHECKER);
00356           }
00357           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);
00358           y += this->line_height;
00359         }
00360         break;
00361       }
00362 
00363       case WID_AP_AIRPORT_SPRITE:
00364         if (this->preview_sprite != 0) {
00365           Dimension d = GetSpriteSize(this->preview_sprite);
00366           DrawSprite(this->preview_sprite, COMPANY_SPRITE_COLOUR(_local_company), (r.left + r.right - d.width) / 2, (r.top + r.bottom - d.height) / 2);
00367         }
00368         break;
00369 
00370       case WID_AP_EXTRA_TEXT:
00371         if (_selected_airport_index != -1) {
00372           const AirportSpec *as = AirportClass::Get(_selected_airport_class)->GetSpec(_selected_airport_index);
00373           StringID string = GetAirportTextCallback(as, _selected_airport_layout, CBID_AIRPORT_ADDITIONAL_TEXT);
00374           if (string != STR_UNDEFINED) {
00375             SetDParam(0, string);
00376             DrawStringMultiLine(r.left, r.right, r.top, r.bottom, STR_BLACK_STRING);
00377           }
00378         }
00379         break;
00380     }
00381   }
00382 
00383   virtual void OnPaint()
00384   {
00385     this->DrawWidgets();
00386 
00387     uint16 top = this->GetWidget<NWidgetBase>(WID_AP_BTN_DOHILIGHT)->pos_y + this->GetWidget<NWidgetBase>(WID_AP_BTN_DOHILIGHT)->current_y + WD_PAR_VSEP_NORMAL;
00388     NWidgetBase *panel_nwi = this->GetWidget<NWidgetBase>(WID_AP_BOTTOMPANEL);
00389 
00390     int right = panel_nwi->pos_x +  panel_nwi->current_x;
00391     int bottom = panel_nwi->pos_y +  panel_nwi->current_y;
00392 
00393     if (_selected_airport_index != -1) {
00394       const AirportSpec *as = AirportClass::Get(_selected_airport_class)->GetSpec(_selected_airport_index);
00395       int rad = _settings_game.station.modified_catchment ? as->catchment : (uint)CA_UNMODIFIED;
00396 
00397       /* only show the station (airport) noise, if the noise option is activated */
00398       if (_settings_game.economy.station_noise_level) {
00399         /* show the noise of the selected airport */
00400         SetDParam(0, as->noise_level);
00401         DrawString(panel_nwi->pos_x + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, STR_STATION_BUILD_NOISE);
00402         top += FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL;
00403       }
00404 
00405       /* strings such as 'Size' and 'Coverage Area' */
00406       top = DrawStationCoverageAreaText(panel_nwi->pos_x + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, SCT_ALL, rad, false) + WD_PAR_VSEP_NORMAL;
00407       top = DrawStationCoverageAreaText(panel_nwi->pos_x + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, SCT_ALL, rad, true) + WD_PAR_VSEP_NORMAL;
00408     }
00409 
00410     /* Resize background if the window is too small.
00411      * Never make the window smaller to avoid oscillating if the size change affects the acceptance.
00412      * (This is the case, if making the window bigger moves the mouse into the window.) */
00413     if (top > bottom) {
00414       ResizeWindow(this, 0, top - bottom);
00415     }
00416   }
00417 
00418   void SelectOtherAirport(int airport_index)
00419   {
00420     _selected_airport_index = airport_index;
00421     _selected_airport_layout = 0;
00422 
00423     this->UpdateSelectSize();
00424     this->SetDirty();
00425   }
00426 
00427   void UpdateSelectSize()
00428   {
00429     if (_selected_airport_index == -1) {
00430       SetTileSelectSize(1, 1);
00431       this->DisableWidget(WID_AP_LAYOUT_DECREASE);
00432       this->DisableWidget(WID_AP_LAYOUT_INCREASE);
00433     } else {
00434       const AirportSpec *as = AirportClass::Get(_selected_airport_class)->GetSpec(_selected_airport_index);
00435       int w = as->size_x;
00436       int h = as->size_y;
00437       Direction rotation = as->rotation[_selected_airport_layout];
00438       if (rotation == DIR_E || rotation == DIR_W) Swap(w, h);
00439       SetTileSelectSize(w, h);
00440 
00441       this->preview_sprite = GetCustomAirportSprite(as, _selected_airport_layout);
00442 
00443       this->SetWidgetDisabledState(WID_AP_LAYOUT_DECREASE, _selected_airport_layout == 0);
00444       this->SetWidgetDisabledState(WID_AP_LAYOUT_INCREASE, _selected_airport_layout + 1 >= as->num_table);
00445 
00446       int rad = _settings_game.station.modified_catchment ? as->catchment : (uint)CA_UNMODIFIED;
00447       if (_settings_client.gui.station_show_coverage) SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);
00448     }
00449   }
00450 
00451   virtual void OnClick(Point pt, int widget, int click_count)
00452   {
00453     switch (widget) {
00454       case WID_AP_CLASS_DROPDOWN:
00455         ShowDropDownList(this, BuildAirportClassDropDown(), _selected_airport_class, WID_AP_CLASS_DROPDOWN);
00456         break;
00457 
00458       case WID_AP_AIRPORT_LIST: {
00459         int num_clicked = this->vscroll->GetPosition() + (pt.y - this->nested_array[widget]->pos_y) / this->line_height;
00460         if (num_clicked >= this->vscroll->GetCount()) break;
00461         const AirportSpec *as = AirportClass::Get(_selected_airport_class)->GetSpec(num_clicked);
00462         if (as->IsAvailable()) this->SelectOtherAirport(num_clicked);
00463         break;
00464       }
00465 
00466       case WID_AP_BTN_DONTHILIGHT: case WID_AP_BTN_DOHILIGHT:
00467         _settings_client.gui.station_show_coverage = (widget != WID_AP_BTN_DONTHILIGHT);
00468         this->SetWidgetLoweredState(WID_AP_BTN_DONTHILIGHT, !_settings_client.gui.station_show_coverage);
00469         this->SetWidgetLoweredState(WID_AP_BTN_DOHILIGHT, _settings_client.gui.station_show_coverage);
00470         this->SetDirty();
00471         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
00472         this->UpdateSelectSize();
00473         break;
00474 
00475       case WID_AP_LAYOUT_DECREASE:
00476         _selected_airport_layout--;
00477         this->UpdateSelectSize();
00478         this->SetDirty();
00479         break;
00480 
00481       case WID_AP_LAYOUT_INCREASE:
00482         _selected_airport_layout++;
00483         this->UpdateSelectSize();
00484         this->SetDirty();
00485         break;
00486     }
00487   }
00488 
00494   void SelectFirstAvailableAirport(bool change_class)
00495   {
00496     /* First try to select an airport in the selected class. */
00497     AirportClass *sel_apclass = AirportClass::Get(_selected_airport_class);
00498     for (uint i = 0; i < sel_apclass->GetSpecCount(); i++) {
00499       const AirportSpec *as = sel_apclass->GetSpec(i);
00500       if (as->IsAvailable()) {
00501         this->SelectOtherAirport(i);
00502         return;
00503       }
00504     }
00505     if (change_class) {
00506       /* If that fails, select the first available airport
00507        * from a random class. */
00508       for (AirportClassID j = APC_BEGIN; j < APC_MAX; j++) {
00509         AirportClass *apclass = AirportClass::Get(j);
00510         for (uint i = 0; i < apclass->GetSpecCount(); i++) {
00511           const AirportSpec *as = apclass->GetSpec(i);
00512           if (as->IsAvailable()) {
00513             _selected_airport_class = j;
00514             this->SelectOtherAirport(i);
00515             return;
00516           }
00517         }
00518       }
00519     }
00520     /* If all airports are unavailable, select nothing. */
00521     this->SelectOtherAirport(-1);
00522   }
00523 
00524   virtual void OnDropdownSelect(int widget, int index)
00525   {
00526     assert(widget == WID_AP_CLASS_DROPDOWN);
00527     _selected_airport_class = (AirportClassID)index;
00528     this->vscroll->SetCount(AirportClass::Get(_selected_airport_class)->GetSpecCount());
00529     this->SelectFirstAvailableAirport(false);
00530   }
00531 
00532   virtual void OnTick()
00533   {
00534     CheckRedrawStationCoverage(this);
00535   }
00536 };
00537 
00538 static const NWidgetPart _nested_build_airport_widgets[] = {
00539   NWidget(NWID_HORIZONTAL),
00540     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
00541     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_AIRPORT_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00542   EndContainer(),
00543   NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetFill(1, 0), SetPIP(2, 0, 2),
00544     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_AIRPORT_CLASS_LABEL, STR_NULL), SetFill(1, 0),
00545     NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_AP_CLASS_DROPDOWN), SetFill(1, 0), SetDataTip(STR_BLACK_STRING, STR_STATION_BUILD_AIRPORT_TOOLTIP),
00546     NWidget(WWT_EMPTY, COLOUR_DARK_GREEN, WID_AP_AIRPORT_SPRITE), SetFill(1, 0),
00547     NWidget(NWID_HORIZONTAL),
00548       NWidget(WWT_MATRIX, COLOUR_GREY, WID_AP_AIRPORT_LIST), SetFill(1, 0), SetMatrixDataTip(1, 5, STR_STATION_BUILD_AIRPORT_TOOLTIP), SetScrollbar(WID_AP_SCROLLBAR),
00549       NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_AP_SCROLLBAR),
00550     EndContainer(),
00551     NWidget(NWID_HORIZONTAL),
00552       NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, WID_AP_LAYOUT_DECREASE), SetMinimalSize(12, 0), SetDataTip(AWV_DECREASE, STR_NULL),
00553       NWidget(WWT_LABEL, COLOUR_GREY, WID_AP_LAYOUT_NUM), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_BLACK_STRING, STR_NULL),
00554       NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, WID_AP_LAYOUT_INCREASE), SetMinimalSize(12, 0), SetDataTip(AWV_INCREASE, STR_NULL),
00555     EndContainer(),
00556     NWidget(WWT_EMPTY, COLOUR_DARK_GREEN, WID_AP_EXTRA_TEXT), SetFill(1, 0), SetMinimalSize(150, 0),
00557   EndContainer(),
00558   /* Bottom panel. */
00559   NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_AP_BOTTOMPANEL), SetPIP(2, 2, 2),
00560     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL), SetFill(1, 0),
00561     NWidget(NWID_HORIZONTAL),
00562       NWidget(NWID_SPACER), SetMinimalSize(14, 0), SetFill(1, 0),
00563       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
00564         NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_AP_BTN_DONTHILIGHT), SetMinimalSize(60, 12), SetFill(1, 0),
00565                       SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
00566         NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_AP_BTN_DOHILIGHT), SetMinimalSize(60, 12), SetFill(1, 0),
00567                       SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
00568       EndContainer(),
00569       NWidget(NWID_SPACER), SetMinimalSize(14, 0), SetFill(1, 0),
00570     EndContainer(),
00571     NWidget(NWID_SPACER), SetMinimalSize(0, 10), SetResize(0, 1), SetFill(1, 0),
00572   EndContainer(),
00573 };
00574 
00575 static WindowDesc _build_airport_desc(
00576   WDP_AUTO, "build_station_air", 0, 0,
00577   WC_BUILD_STATION, WC_BUILD_TOOLBAR,
00578   WDF_CONSTRUCTION,
00579   _nested_build_airport_widgets, lengthof(_nested_build_airport_widgets)
00580 );
00581 
00582 static void ShowBuildAirportPicker(Window *parent)
00583 {
00584   new BuildAirportWindow(&_build_airport_desc, parent);
00585 }
00586 
00587 void InitializeAirportGui()
00588 {
00589   _selected_airport_class = APC_BEGIN;
00590   _selected_airport_index = -1;
00591 }