# news_gui.cpp

Go to the documentation of this file.

    00001 /* $Id: news_gui.cpp 18597 2009-12-21 21:14:40Z 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 "openttd.h"
    00014 #include "gui.h"
    00015 #include "window_gui.h"
    00016 #include "viewport_func.h"
    00017 #include "news_type.h"
    00018 #include "gfx_func.h"
    00019 #include "strings_func.h"
    00020 #include "window_func.h"
    00021 #include "date_func.h"
    00022 #include "vehicle_base.h"
    00023 #include "vehicle_func.h"
    00024 #include "station_base.h"
    00025 #include "industry.h"
    00026 #include "town.h"
    00027 #include "sound_func.h"
    00028 #include "string_func.h"
    00029 #include "widgets/dropdown_func.h"
    00030 #include "statusbar_gui.h"
    00031 #include "company_manager_face.h"
    00032 #include "company_func.h"
    00033 #include "engine_gui.h"
    00034
    00035 #include "table/strings.h"
    00036
    00037 const NewsItem *_statusbar_news_item = NULL;
    00038 bool _news_ticker_sound;
    00039
    00040 static uint MIN_NEWS_AMOUNT = 30;
    00041 static uint _total_news = 0;
    00042 static NewsItem *_oldest_news = NULL;
    00043 static NewsItem *_latest_news = NULL;
    00044
    00049 static const NewsItem *_forced_news = NULL;
    00050
    00052 static const NewsItem *_current_news = NULL;
    00053
    00054
    00061 static TileIndex GetReferenceTile(NewsReferenceType reftype, uint32 ref)
    00062 {
    00063   switch (reftype) {
    00064     case NR_TILE:     return (TileIndex)ref;
    00065     case NR_STATION:  return Station::Get((StationID)ref)->xy;
    00066     case NR_INDUSTRY: return Industry::Get((IndustryID)ref)->xy + TileDiffXY(1, 1);
    00067     case NR_TOWN:     return Town::Get((TownID)ref)->xy;
    00068     default:          return INVALID_TILE;
    00069   }
    00070 }
    00071
    00073 enum NewsTypeWidgets {
    00074   NTW_PANEL,
    00075   NTW_TITLE,
    00076   NTW_HEADLINE,
    00077   NTW_CLOSEBOX,
    00078   NTW_DATE,
    00079   NTW_CAPTION,
    00080   NTW_INSET,
    00081   NTW_VIEWPORT,
    00082   NTW_COMPANY_MSG,
    00083   NTW_MESSAGE,
    00084   NTW_MGR_FACE,
    00085   NTW_MGR_NAME,
    00086   NTW_VEH_TITLE,
    00087   NTW_VEH_BKGND,
    00088   NTW_VEH_NAME,
    00089   NTW_VEH_SPR,
    00090   NTW_VEH_INFO,
    00091 };
    00092
    00093 /* Normal news items. */
    00094 static const NWidgetPart _nested_normal_news_widgets[] = {
    00095   NWidget(WWT_PANEL, COLOUR_WHITE, NTW_PANEL),
    00096     NWidget(NWID_HORIZONTAL), SetPadding(1, 1, 0, 1),
    00097       NWidget(WWT_TEXT, COLOUR_WHITE, NTW_CLOSEBOX), SetDataTip(STR_SILVER_CROSS, STR_NULL), SetPadding(0, 0, 0, 1),
    00098       NWidget(NWID_SPACER), SetFill(1, 0),
    00099       NWidget(NWID_VERTICAL),
    00100         NWidget(WWT_LABEL, COLOUR_WHITE, NTW_DATE), SetDataTip(STR_DATE_LONG_SMALL, STR_NULL),
    00101         NWidget(NWID_SPACER), SetFill(0, 1),
    00102       EndContainer(),
    00103     EndContainer(),
    00104     NWidget(WWT_EMPTY, COLOUR_WHITE, NTW_MESSAGE), SetMinimalSize(428, 154), SetPadding(0, 1, 1, 1),
    00105   EndContainer(),
    00106 };
    00107
    00108 static const WindowDesc _normal_news_desc(
    00109   WDP_MANUAL, 0, 0,
    00110   WC_NEWS_WINDOW, WC_NONE,
    00111   0,
    00112   _nested_normal_news_widgets, lengthof(_nested_normal_news_widgets)
    00113 );
    00114
    00115 /* New vehicles news items. */
    00116 static const NWidgetPart _nested_vehicle_news_widgets[] = {
    00117   NWidget(WWT_PANEL, COLOUR_WHITE, NTW_PANEL),
    00118     NWidget(NWID_HORIZONTAL), SetPadding(1, 1, 0, 1),
    00119       NWidget(NWID_VERTICAL),
    00120         NWidget(WWT_TEXT, COLOUR_WHITE, NTW_CLOSEBOX), SetDataTip(STR_SILVER_CROSS, STR_NULL), SetPadding(0, 0, 0, 1),
    00121         NWidget(NWID_SPACER), SetFill(0, 1),
    00122       EndContainer(),
    00123       NWidget(WWT_LABEL, COLOUR_WHITE, NTW_VEH_TITLE), SetFill(1, 1), SetMinimalSize(419, 55), SetDataTip(STR_EMPTY, STR_NULL),
    00124     EndContainer(),
    00125     NWidget(WWT_PANEL, COLOUR_WHITE, NTW_VEH_BKGND), SetPadding(0, 25, 1, 25),
    00126       NWidget(NWID_VERTICAL),
    00127         NWidget(WWT_EMPTY, INVALID_COLOUR, NTW_VEH_NAME), SetMinimalSize(369, 33), SetFill(1, 0),
    00128         NWidget(WWT_EMPTY, INVALID_COLOUR, NTW_VEH_SPR),  SetMinimalSize(369, 32), SetFill(1, 0),
    00129         NWidget(WWT_EMPTY, INVALID_COLOUR, NTW_VEH_INFO), SetMinimalSize(369, 46), SetFill(1, 0),
    00130       EndContainer(),
    00131     EndContainer(),
    00132   EndContainer(),
    00133 };
    00134
    00135 static const WindowDesc _vehicle_news_desc(
    00136   WDP_MANUAL, 0, 0,
    00137   WC_NEWS_WINDOW, WC_NONE,
    00138   0,
    00139   _nested_vehicle_news_widgets, lengthof(_nested_vehicle_news_widgets)
    00140 );
    00141
    00142 /* Company news items. */
    00143 static const NWidgetPart _nested_company_news_widgets[] = {
    00144   NWidget(WWT_PANEL, COLOUR_WHITE, NTW_PANEL),
    00145     NWidget(NWID_HORIZONTAL), SetPadding(1, 1, 0, 1),
    00146       NWidget(NWID_VERTICAL),
    00147         NWidget(WWT_TEXT, COLOUR_WHITE, NTW_CLOSEBOX), SetDataTip(STR_SILVER_CROSS, STR_NULL), SetPadding(0, 0, 0, 1),
    00148         NWidget(NWID_SPACER), SetFill(0, 1),
    00149       EndContainer(),
    00150       NWidget(WWT_LABEL, COLOUR_WHITE, NTW_TITLE), SetFill(1, 1), SetMinimalSize(410, 20), SetDataTip(STR_EMPTY, STR_NULL),
    00151     EndContainer(),
    00152     NWidget(NWID_HORIZONTAL), SetPadding(0, 1, 1, 1),
    00153       NWidget(NWID_VERTICAL),
    00154         NWidget(WWT_EMPTY, COLOUR_WHITE, NTW_MGR_FACE), SetMinimalSize(93, 119), SetPadding(2, 6, 2, 1),
    00155         NWidget(NWID_HORIZONTAL),
    00156           NWidget(WWT_EMPTY, COLOUR_WHITE, NTW_MGR_NAME), SetMinimalSize(93, 24), SetPadding(0, 0, 0, 1),
    00157           NWidget(NWID_SPACER), SetFill(1, 0),
    00158         EndContainer(),
    00159         NWidget(NWID_SPACER), SetFill(0, 1),
    00160       EndContainer(),
    00161       NWidget(WWT_EMPTY, COLOUR_WHITE, NTW_COMPANY_MSG), SetFill(1, 1), SetMinimalSize(328, 150),
    00162     EndContainer(),
    00163   EndContainer(),
    00164 };
    00165
    00166 static const WindowDesc _company_news_desc(
    00167   WDP_MANUAL, 0, 0,
    00168   WC_NEWS_WINDOW, WC_NONE,
    00169   0,
    00170   _nested_company_news_widgets, lengthof(_nested_company_news_widgets)
    00171 );
    00172
    00173 /* Thin news items. */
    00174 static const NWidgetPart _nested_thin_news_widgets[] = {
    00175   NWidget(WWT_PANEL, COLOUR_WHITE, NTW_PANEL),
    00176     NWidget(NWID_HORIZONTAL), SetPadding(1, 1, 0, 1),
    00177       NWidget(WWT_TEXT, COLOUR_WHITE, NTW_CLOSEBOX), SetDataTip(STR_SILVER_CROSS, STR_NULL), SetPadding(0, 0, 0, 1),
    00178       NWidget(NWID_SPACER), SetFill(1, 0),
    00179       NWidget(NWID_VERTICAL),
    00180         NWidget(WWT_LABEL, COLOUR_WHITE, NTW_DATE), SetDataTip(STR_DATE_LONG_SMALL, STR_NULL),
    00181         NWidget(NWID_SPACER), SetFill(0, 1),
    00182       EndContainer(),
    00183     EndContainer(),
    00184     NWidget(WWT_EMPTY, COLOUR_WHITE, NTW_MESSAGE), SetMinimalSize(428, 48), SetFill(1, 0), SetPadding(0, 1, 0, 1),
    00185     NWidget(NWID_VIEWPORT, INVALID_COLOUR, NTW_VIEWPORT), SetMinimalSize(426, 70), SetPadding(1, 2, 2, 2),
    00186   EndContainer(),
    00187 };
    00188
    00189 static const WindowDesc _thin_news_desc(
    00190   WDP_MANUAL, 0, 0,
    00191   WC_NEWS_WINDOW, WC_NONE,
    00192   0,
    00193   _nested_thin_news_widgets, lengthof(_nested_thin_news_widgets)
    00194 );
    00195
    00196 /* Small news items. */
    00197 static const NWidgetPart _nested_small_news_widgets[] = {
    00198   /* Caption + close box */
    00199   NWidget(NWID_HORIZONTAL),
    00200     NWidget(WWT_CLOSEBOX, COLOUR_LIGHT_BLUE, NTW_CLOSEBOX),
    00201     NWidget(WWT_CAPTION, COLOUR_LIGHT_BLUE, NTW_CAPTION), SetDataTip(STR_NEWS_MESSAGE_CAPTION, STR_NULL),
    00202   EndContainer(),
    00203
    00204   /* Main part */
    00205   NWidget(WWT_PANEL, COLOUR_LIGHT_BLUE, NTW_HEADLINE),
    00206     NWidget(WWT_INSET, COLOUR_LIGHT_BLUE, NTW_INSET), SetPadding(2, 2, 2, 2),
    00207       NWidget(NWID_VIEWPORT, INVALID_COLOUR, NTW_VIEWPORT), SetPadding(1, 1, 1, 1), SetMinimalSize(274, 47), SetFill(1, 0),
    00208     EndContainer(),
    00209     NWidget(WWT_EMPTY, COLOUR_WHITE, NTW_MESSAGE), SetMinimalSize(275, 20), SetFill(1, 0),
    00210   EndContainer(),
    00211 };
    00212
    00213 static const WindowDesc _small_news_desc(
    00214   WDP_MANUAL, 0, 0,
    00215   WC_NEWS_WINDOW, WC_NONE,
    00216   0,
    00217   _nested_small_news_widgets, lengthof(_nested_small_news_widgets)
    00218 );
    00219
    00223 struct NewsSubtypeData {
    00224   NewsType type;
    00225   NewsFlag flags;
    00226   const WindowDesc *desc;
    00227 };
    00228
    00232 static const NewsSubtypeData _news_subtype_data[] = {
    00233   /* type,               display_mode, flags,                         window description,            callback */
    00234   { NT_ARRIVAL_COMPANY,  (NF_NO_TRANSPARENT | NF_SHADE), &_thin_news_desc    },
    00235   { NT_ARRIVAL_OTHER,    (NF_NO_TRANSPARENT | NF_SHADE), &_thin_news_desc    },
    00236   { NT_ACCIDENT,         (NF_NO_TRANSPARENT | NF_SHADE), &_thin_news_desc    },
    00237   { NT_COMPANY_INFO,     NF_NONE,                        &_company_news_desc },
    00238   { NT_COMPANY_INFO,     NF_NONE,                        &_company_news_desc },
    00239   { NT_COMPANY_INFO,     NF_NONE,                        &_company_news_desc },
    00240   { NT_COMPANY_INFO,     NF_NONE,                        &_company_news_desc },
    00241   { NT_INDUSTRY_OPEN,    (NF_NO_TRANSPARENT | NF_SHADE), &_thin_news_desc    },
    00242   { NT_INDUSTRY_CLOSE,   (NF_NO_TRANSPARENT | NF_SHADE), &_thin_news_desc    },
    00243   { NT_ECONOMY,          NF_NONE,                        &_normal_news_desc  },
    00244   { NT_INDUSTRY_COMPANY, (NF_NO_TRANSPARENT | NF_SHADE), &_thin_news_desc    },
    00245   { NT_INDUSTRY_OTHER,   (NF_NO_TRANSPARENT | NF_SHADE), &_thin_news_desc    },
    00246   { NT_INDUSTRY_NOBODY,  (NF_NO_TRANSPARENT | NF_SHADE), &_thin_news_desc    },
    00247   { NT_ADVICE,           NF_INCOLOUR,                    &_small_news_desc   },
    00248   { NT_NEW_VEHICLES,     NF_NONE,                        &_vehicle_news_desc },
    00249   { NT_ACCEPTANCE,       NF_INCOLOUR,                    &_small_news_desc   },
    00250   { NT_SUBSIDIES,        NF_NONE,                        &_normal_news_desc  },
    00251   { NT_GENERAL,          NF_NONE,                        &_normal_news_desc  },
    00252 };
    00253
    00254 assert_compile(lengthof(_news_subtype_data) == NS_END);
    00255
    00259 NewsTypeData _news_type_data[] = {
    00260   /*            name,              age, sound,           description */
    00261   NewsTypeData("arrival_player",    60, SND_1D_APPLAUSE, STR_NEWS_MESSAGE_TYPE_ARRIVAL_OF_FIRST_VEHICLE_OWN       ),
    00262   NewsTypeData("arrival_other",     60, SND_1D_APPLAUSE, STR_NEWS_MESSAGE_TYPE_ARRIVAL_OF_FIRST_VEHICLE_OTHER     ),
    00263   NewsTypeData("accident",          90, SND_BEGIN,       STR_NEWS_MESSAGE_TYPE_ACCIDENTS_DISASTERS                ),
    00264   NewsTypeData("company_info",      60, SND_BEGIN,       STR_NEWS_MESSAGE_TYPE_COMPANY_INFORMATION                ),
    00265   NewsTypeData("open",              90, SND_BEGIN,       STR_NEWS_MESSAGE_TYPE_INDUSTRY_OPEN                      ),
    00266   NewsTypeData("close",             90, SND_BEGIN,       STR_NEWS_MESSAGE_TYPE_INDUSTRY_CLOSE                     ),
    00267   NewsTypeData("economy",           30, SND_BEGIN,       STR_NEWS_MESSAGE_TYPE_ECONOMY_CHANGES                    ),
    00268   NewsTypeData("production_player", 30, SND_BEGIN,       STR_NEWS_MESSAGE_TYPE_INDUSTRY_CHANGES_SERVED_BY_COMPANY ),
    00269   NewsTypeData("production_other",  30, SND_BEGIN,       STR_NEWS_MESSAGE_TYPE_INDUSTRY_CHANGES_SERVED_BY_OTHER   ),
    00270   NewsTypeData("production_nobody", 30, SND_BEGIN,       STR_NEWS_MESSAGE_TYPE_INDUSTRY_CHANGES_UNSERVED          ),
    00271   NewsTypeData("advice",           150, SND_BEGIN,       STR_NEWS_MESSAGE_TYPE_ADVICE_INFORMATION_ON_COMPANY      ),
    00272   NewsTypeData("new_vehicles",      30, SND_1E_OOOOH,    STR_NEWS_MESSAGE_TYPE_NEW_VEHICLES                       ),
    00273   NewsTypeData("acceptance",        90, SND_BEGIN,       STR_NEWS_MESSAGE_TYPE_CHANGES_OF_CARGO_ACCEPTANCE        ),
    00274   NewsTypeData("subsidies",        180, SND_BEGIN,       STR_NEWS_MESSAGE_TYPE_SUBSIDIES                          ),
    00275   NewsTypeData("general",           60, SND_BEGIN,       STR_NEWS_MESSAGE_TYPE_GENERAL_INFORMATION                ),
    00276 };
    00277
    00278 assert_compile(lengthof(_news_type_data) == NT_END);
    00279
    00281 struct NewsWindow : Window {
    00282   uint16 chat_height;
    00283   uint16 status_height;
    00284   const NewsItem *ni;
    00285   static uint duration;
    00286
    00287   NewsWindow(const WindowDesc *desc, const NewsItem *ni) : Window(), ni(ni)
    00288   {
    00289     NewsWindow::duration = 555;
    00290     const Window *w = FindWindowByClass(WC_SEND_NETWORK_MSG);
    00291     this->chat_height = (w != NULL) ? w->height : 0;
    00292     this->status_height = FindWindowById(WC_STATUS_BAR, 0)->height;
    00293
    00294     this->flags4 |= WF_DISABLE_VP_SCROLL;
    00295
    00296     this->CreateNestedTree(desc);
    00297     switch (this->ni->subtype) {
    00298       case NS_COMPANY_TROUBLE:
    00299         this->GetWidget<NWidgetCore>(NTW_TITLE)->widget_data = STR_NEWS_COMPANY_IN_TROUBLE_TITLE;
    00300         break;
    00301
    00302       case NS_COMPANY_MERGER:
    00303         this->GetWidget<NWidgetCore>(NTW_TITLE)->widget_data = STR_NEWS_COMPANY_MERGER_TITLE;
    00304         break;
    00305
    00306       case NS_COMPANY_BANKRUPT:
    00307         this->GetWidget<NWidgetCore>(NTW_TITLE)->widget_data = STR_NEWS_COMPANY_BANKRUPT_TITLE;
    00308         break;
    00309
    00310       case NS_COMPANY_NEW:
    00311         this->GetWidget<NWidgetCore>(NTW_TITLE)->widget_data = STR_NEWS_COMPANY_LAUNCH_TITLE;
    00312         break;
    00313
    00314       default:
    00315         break;
    00316     }
    00317     this->FinishInitNested(desc, 0);
    00318
    00319     /* Initialize viewport if it exists. */
    00320     NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(NTW_VIEWPORT);
    00321     if (nvp != NULL) {
    00322       nvp->InitializeViewport(this, ni->reftype1 == NR_VEHICLE ? 0x80000000 | ni->ref1 : GetReferenceTile(ni->reftype1, ni->ref1), ZOOM_LVL_NEWS);
    00323       if (this->ni->flags & NF_NO_TRANSPARENT) nvp->disp_flags |= ND_NO_TRANSPARENCY;
    00324       if ((this->ni->flags & NF_INCOLOUR) == 0) {
    00325         nvp->disp_flags |= ND_SHADE_GREY;
    00326       } else if (this->ni->flags & NF_SHADE) {
    00327         nvp->disp_flags |= ND_SHADE_DIMMED;
    00328       }
    00329     }
    00330   }
    00331
    00332   void DrawNewsBorder(const Rect &r) const
    00333   {
    00334     GfxFillRect(r.left,  r.top,    r.right, r.bottom, 0xF);
    00335
    00336     GfxFillRect(r.left,  r.top,    r.left,  r.bottom, 0xD7);
    00337     GfxFillRect(r.right, r.top,    r.right, r.bottom, 0xD7);
    00338     GfxFillRect(r.left,  r.top,    r.right, r.top,    0xD7);
    00339     GfxFillRect(r.left,  r.bottom, r.right, r.bottom, 0xD7);
    00340   }
    00341
    00342   virtual Point OnInitialPosition(const WindowDesc *desc, int16 sm_width, int16 sm_height, int window_number)
    00343   {
    00344     Point pt = { (_screen.width - max(sm_width, desc->default_width)) / 2, _screen.height };
    00345     return pt;
    00346   }
    00347
    00348   virtual void OnPaint()
    00349   {
    00350     this->DrawWidgets();
    00351   }
    00352
    00353   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00354   {
    00355     StringID str = STR_NULL;
    00356     switch (widget) {
    00357       case NTW_MESSAGE:
    00358         CopyInDParam(0, this->ni->params, lengthof(this->ni->params));
    00359         str = this->ni->string_id;
    00360         break;
    00361
    00362       case NTW_COMPANY_MSG:
    00363         str = this->GetCompanyMessageString();
    00364         break;
    00365
    00366       case NTW_VEH_NAME:
    00367       case NTW_VEH_TITLE:
    00368         str = this->GetNewVehicleMessageString(widget);
    00369         break;
    00370
    00371       case NTW_VEH_INFO: {
    00372         assert(this->ni->reftype1 == NR_ENGINE);
    00373         EngineID engine = this->ni->ref1;
    00374         str = GetEngineInfoString(engine);
    00375         break;
    00376       }
    00377       default:
    00378         return; // Do nothing
    00379     }
    00380
    00381     /* Update minimal size with length of the multi-line string. */
    00382     Dimension d = *size;
    00383     d.width = (d.width >= padding.width) ? d.width - padding.width : 0;
    00384     d.height = (d.height >= padding.height) ? d.height - padding.height : 0;
    00385     d = GetStringMultiLineBoundingBox(str, d);
    00386     d.width += padding.width;
    00387     d.height += padding.height;
    00388     *size = maxdim(*size, d);
    00389   }
    00390
    00391   virtual void SetStringParameters(int widget) const
    00392   {
    00393     if (widget == NTW_DATE) SetDParam(0, this->ni->date);
    00394   }
    00395
    00396   virtual void DrawWidget(const Rect &r, int widget) const
    00397   {
    00398     switch (widget) {
    00399       case NTW_PANEL:
    00400         this->DrawNewsBorder(r);
    00401         return;
    00402
    00403       case NTW_MESSAGE:
    00404         CopyInDParam(0, this->ni->params, lengthof(this->ni->params));
    00405         DrawStringMultiLine(r.left + 2, r.right - 2, r.top, r.bottom, this->ni->string_id, TC_FROMSTRING, SA_CENTER);
    00406         break;
    00407
    00408       case NTW_MGR_FACE: {
    00409         const CompanyNewsInformation *cni = (const CompanyNewsInformation*)this->ni->free_data;
    00410         DrawCompanyManagerFace(cni->face, cni->colour, r.left, r.top);
    00411         GfxFillRect(r.left + 1, r.top, r.left + 1 + 91, r.top + 118, PALETTE_TO_STRUCT_GREY, FILLRECT_RECOLOUR);
    00412         break;
    00413       }
    00414       case NTW_MGR_NAME: {
    00415         const CompanyNewsInformation *cni = (const CompanyNewsInformation*)this->ni->free_data;
    00416         SetDParamStr(0, cni->president_name);
    00417         DrawStringMultiLine(r.left, r.right, r.top, r.bottom, STR_JUST_RAW_STRING, TC_FROMSTRING, SA_CENTER);
    00418         break;
    00419       }
    00420       case NTW_COMPANY_MSG:
    00421         DrawStringMultiLine(r.left, r.right, r.top, r.bottom, this->GetCompanyMessageString(), TC_FROMSTRING, SA_CENTER);
    00422         break;
    00423
    00424       case NTW_VEH_BKGND:
    00425         GfxFillRect(r.left, r.top, r.right, r.bottom, 10);
    00426         break;
    00427
    00428       case NTW_VEH_NAME:
    00429       case NTW_VEH_TITLE:
    00430         DrawStringMultiLine(r.left, r.right, r.top, r.bottom, this->GetNewVehicleMessageString(widget), TC_FROMSTRING, SA_CENTER);
    00431         break;
    00432
    00433       case NTW_VEH_SPR: {
    00434         assert(this->ni->reftype1 == NR_ENGINE);
    00435         EngineID engine = this->ni->ref1;
    00436         DrawVehicleEngine(r.left, r.right, (r.left + r.right) / 2, (r.top + r.bottom) / 2, engine, GetEnginePalette(engine, _local_company));
    00437         GfxFillRect(r.left, r.top, r.right, r.bottom, PALETTE_TO_STRUCT_GREY, FILLRECT_RECOLOUR);
    00438         break;
    00439       }
    00440       case NTW_VEH_INFO: {
    00441         assert(this->ni->reftype1 == NR_ENGINE);
    00442         EngineID engine = this->ni->ref1;
    00443         DrawStringMultiLine(r.left, r.right, r.top, r.bottom, GetEngineInfoString(engine), TC_FROMSTRING, SA_CENTER);
    00444         break;
    00445       }
    00446     }
    00447   }
    00448
    00449   virtual void OnClick(Point pt, int widget)
    00450   {
    00451     switch (widget) {
    00452       case NTW_CLOSEBOX:
    00453         NewsWindow::duration = 0;
    00454         delete this;
    00455         _forced_news = NULL;
    00456         break;
    00457
    00458       case NTW_CAPTION:
    00459       case NTW_VIEWPORT:
    00460         break; // Ignore clicks
    00461
    00462       default:
    00463         if (this->ni->reftype1 == NR_VEHICLE) {
    00464           const Vehicle *v = Vehicle::Get(this->ni->ref1);
    00465           ScrollMainWindowTo(v->x_pos, v->y_pos, v->z_pos);
    00466         } else {
    00467           TileIndex tile1 = GetReferenceTile(this->ni->reftype1, this->ni->ref1);
    00468           TileIndex tile2 = GetReferenceTile(this->ni->reftype2, this->ni->ref2);
    00469           if (_ctrl_pressed) {
    00470             if (tile1 != INVALID_TILE) ShowExtraViewPortWindow(tile1);
    00471             if (tile2 != INVALID_TILE) ShowExtraViewPortWindow(tile2);
    00472           } else {
    00473             if ((tile1 == INVALID_TILE || !ScrollMainWindowToTile(tile1)) && tile2 != INVALID_TILE) {
    00474               ScrollMainWindowToTile(tile2);
    00475             }
    00476           }
    00477         }
    00478         break;
    00479     }
    00480   }
    00481
    00482   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
    00483   {
    00484     if (keycode == WKC_SPACE) {
    00485       /* Don't continue. */
    00486       delete this;
    00487       return ES_HANDLED;
    00488     }
    00489     return ES_NOT_HANDLED;
    00490   }
    00491
    00492   virtual void OnInvalidateData(int data)
    00493   {
    00494     /* The chatbar has notified us that is was either created or closed */
    00495     this->chat_height = data;
    00496   }
    00497
    00498   virtual void OnTick()
    00499   {
    00500     /* Scroll up newsmessages from the bottom in steps of 4 pixels */
    00501     int y = max(this->top - 4, _screen.height - this->height - this->status_height - this->chat_height);
    00502     if (y == this->top) return;
    00503
    00504     if (this->viewport != NULL) this->viewport->top += y - this->top;
    00505
    00506     int diff = Delta(this->top, y);
    00507     this->top = y;
    00508
    00509     SetDirtyBlocks(this->left, this->top, this->left + this->width, this->top + this->height + diff);
    00510   }
    00511
    00512 private:
    00513   StringID GetCompanyMessageString() const
    00514   {
    00515     switch (this->ni->subtype) {
    00516       case NS_COMPANY_TROUBLE:
    00517         SetDParam(0, this->ni->params[2]);
    00518         return STR_NEWS_COMPANY_IN_TROUBLE_DESCRIPTION;
    00519
    00520       case NS_COMPANY_MERGER:
    00521         SetDParam(0, this->ni->params[2]);
    00522         SetDParam(1, this->ni->params[3]);
    00523         SetDParam(2, this->ni->params[4]);
    00524         return this->ni->params[4] == 0 ? STR_NEWS_MERGER_TAKEOVER_TITLE : STR_NEWS_COMPANY_MERGER_DESCRIPTION;
    00525
    00526       case NS_COMPANY_BANKRUPT:
    00527         SetDParam(0, this->ni->params[2]);
    00528         return STR_NEWS_COMPANY_BANKRUPT_DESCRIPTION;
    00529
    00530       case NS_COMPANY_NEW:
    00531         SetDParam(0, this->ni->params[2]);
    00532         SetDParam(1, this->ni->params[3]);
    00533         return STR_NEWS_COMPANY_LAUNCH_DESCRIPTION;
    00534
    00535       default:
    00536         NOT_REACHED();
    00537     }
    00538   }
    00539
    00540   StringID GetNewVehicleMessageString(int widget) const
    00541   {
    00542     assert(this->ni->reftype1 == NR_ENGINE);
    00543     EngineID engine = this->ni->ref1;
    00544
    00545     switch (widget) {
    00546       case NTW_VEH_TITLE:
    00547         SetDParam(0, GetEngineCategoryName(engine));
    00548         return STR_NEWS_NEW_VEHICLE_NOW_AVAILABLE;
    00549
    00550       case NTW_VEH_NAME:
    00551         SetDParam(0, engine);
    00552         return STR_NEWS_NEW_VEHICLE_TYPE;
    00553
    00554       default:
    00555         NOT_REACHED();
    00556     }
    00557   }
    00558 };
    00559
    00560 /* static */ uint NewsWindow::duration = 0; // Instance creation.
    00561
    00562
    00564 static void ShowNewspaper(const NewsItem *ni)
    00565 {
    00566   SoundFx sound = _news_type_data[_news_subtype_data[ni->subtype].type].sound;
    00567   if (sound != 0) SndPlayFx(sound);
    00568
    00569   new NewsWindow(_news_subtype_data[ni->subtype].desc, ni);
    00570 }
    00571
    00573 static void ShowTicker(const NewsItem *ni)
    00574 {
    00575   if (_news_ticker_sound) SndPlayFx(SND_16_MORSE);
    00576
    00577   _statusbar_news_item = ni;
    00578   InvalidateWindowData(WC_STATUS_BAR, 0, SBI_SHOW_TICKER);
    00579 }
    00580
    00582 void InitNewsItemStructs()
    00583 {
    00584   for (NewsItem *ni = _oldest_news; ni != NULL; ) {
    00585     NewsItem *next = ni->next;
    00586     delete ni;
    00587     ni = next;
    00588   }
    00589
    00590   _total_news = 0;
    00591   _oldest_news = NULL;
    00592   _latest_news = NULL;
    00593   _forced_news = NULL;
    00594   _current_news = NULL;
    00595   _statusbar_news_item = NULL;
    00596   NewsWindow::duration = 0;
    00597 }
    00598
    00603 static bool ReadyForNextItem()
    00604 {
    00605   const NewsItem *ni = _forced_news == NULL ? _current_news : _forced_news;
    00606   if (ni == NULL) return true;
    00607
    00608   /* Ticker message
    00609    * Check if the status bar message is still being displayed? */
    00610   if (IsNewsTickerShown()) return false;
    00611
    00612   /* Newspaper message, decrement duration counter */
    00613   if (NewsWindow::duration != 0) NewsWindow::duration--;
    00614
    00615   /* neither newsticker nor newspaper are running */
    00616   return (NewsWindow::duration == 0 || FindWindowById(WC_NEWS_WINDOW, 0) == NULL);
    00617 }
    00618
    00620 static void MoveToNextItem()
    00621 {
    00622   InvalidateWindowData(WC_STATUS_BAR, 0, SBI_NEWS_DELETED); // invalidate the statusbar
    00623   DeleteWindowById(WC_NEWS_WINDOW, 0); // close the newspapers window if shown
    00624   _forced_news = NULL;
    00625   _statusbar_news_item = NULL;
    00626
    00627   /* if we're not at the last item, then move on */
    00628   if (_current_news != _latest_news) {
    00629     _current_news = (_current_news == NULL) ? _oldest_news : _current_news->next;
    00630     const NewsItem *ni = _current_news;
    00631     const NewsType type = _news_subtype_data[ni->subtype].type;
    00632
    00633     /* check the date, don't show too old items */
    00634     if (_date - _news_type_data[type].age > ni->date) return;
    00635
    00636     switch (_news_type_data[type].display) {
    00637       default: NOT_REACHED();
    00638       case ND_OFF: // Off - show nothing only a small reminder in the status bar
    00639         InvalidateWindowData(WC_STATUS_BAR, 0, SBI_SHOW_REMINDER);
    00640         break;
    00641
    00642       case ND_SUMMARY: // Summary - show ticker
    00643         ShowTicker(ni);
    00644         break;
    00645
    00646       case ND_FULL: // Full - show newspaper
    00647         ShowNewspaper(ni);
    00648         break;
    00649     }
    00650   }
    00651 }
    00652
    00665 void AddNewsItem(StringID string, NewsSubtype subtype, NewsReferenceType reftype1, uint32 ref1, NewsReferenceType reftype2, uint32 ref2, void *free_data)
    00666 {
    00667   if (_game_mode == GM_MENU) return;
    00668
    00669   /* Create new news item node */
    00670   NewsItem *ni = new NewsItem;
    00671
    00672   ni->string_id = string;
    00673   ni->subtype = subtype;
    00674   ni->flags = _news_subtype_data[subtype].flags;
    00675
    00676   /* show this news message in colour? */
    00677   if (_cur_year >= _settings_client.gui.coloured_news_year) ni->flags |= NF_INCOLOUR;
    00678
    00679   ni->reftype1 = reftype1;
    00680   ni->reftype2 = reftype2;
    00681   ni->ref1 = ref1;
    00682   ni->ref2 = ref2;
    00683   ni->free_data = free_data;
    00684   ni->date = _date;
    00685   CopyOutDParam(ni->params, 0, lengthof(ni->params));
    00686
    00687   if (_total_news++ == 0) {
    00688     assert(_oldest_news == NULL);
    00689     _oldest_news = ni;
    00690     ni->prev = NULL;
    00691   } else {
    00692     assert(_latest_news->next == NULL);
    00693     _latest_news->next = ni;
    00694     ni->prev = _latest_news;
    00695   }
    00696
    00697   ni->next = NULL;
    00698   _latest_news = ni;
    00699
    00700   SetWindowDirty(WC_MESSAGE_HISTORY, 0);
    00701 }
    00702
    00704 static void DeleteNewsItem(NewsItem *ni)
    00705 {
    00706   if (_forced_news == ni || _current_news == ni) {
    00707     /* about to remove the currently forced item (shown as newspapers) ||
    00708      * about to remove the currently displayed item (newspapers, ticker, or just a reminder) */
    00709     MoveToNextItem();
    00710   }
    00711
    00712   /* delete item */
    00713
    00714   if (ni->prev != NULL) {
    00715     ni->prev->next = ni->next;
    00716   } else {
    00717     assert(_oldest_news == ni);
    00718     _oldest_news = ni->next;
    00719   }
    00720
    00721   if (ni->next != NULL) {
    00722     ni->next->prev = ni->prev;
    00723   } else {
    00724     assert(_latest_news == ni);
    00725     _latest_news = ni->prev;
    00726   }
    00727
    00728   free(ni->free_data);
    00729
    00730   if (_current_news == ni) _current_news = ni->prev;
    00731   _total_news--;
    00732   delete ni;
    00733
    00734   SetWindowDirty(WC_MESSAGE_HISTORY, 0);
    00735 }
    00736
    00737 void DeleteVehicleNews(VehicleID vid, StringID news)
    00738 {
    00739   NewsItem *ni = _oldest_news;
    00740
    00741   while (ni != NULL) {
    00742     NewsItem *next = ni->next;
    00743     if (((ni->reftype1 == NR_VEHICLE && ni->ref1 == vid) || (ni->reftype2 == NR_VEHICLE && ni->ref2 == vid)) &&
    00744         (news == INVALID_STRING_ID || ni->string_id == news)) {
    00745       DeleteNewsItem(ni);
    00746     }
    00747     ni = next;
    00748   }
    00749 }
    00750
    00755 void DeleteStationNews(StationID sid)
    00756 {
    00757   NewsItem *ni = _oldest_news;
    00758
    00759   while (ni != NULL) {
    00760     NewsItem *next = ni->next;
    00761     if ((ni->reftype1 == NR_STATION && ni->ref1 == sid) || (ni->reftype2 == NR_STATION && ni->ref2 == sid)) {
    00762       DeleteNewsItem(ni);
    00763     }
    00764     ni = next;
    00765   }
    00766 }
    00767
    00771 void DeleteIndustryNews(IndustryID iid)
    00772 {
    00773   NewsItem *ni = _oldest_news;
    00774
    00775   while (ni != NULL) {
    00776     NewsItem *next = ni->next;
    00777     if ((ni->reftype1 == NR_INDUSTRY && ni->ref1 == iid) || (ni->reftype2 == NR_INDUSTRY && ni->ref2 == iid)) {
    00778       DeleteNewsItem(ni);
    00779     }
    00780     ni = next;
    00781   }
    00782 }
    00783
    00784 static void RemoveOldNewsItems()
    00785 {
    00786   NewsItem *next;
    00787   for (NewsItem *cur = _oldest_news; _total_news > MIN_NEWS_AMOUNT && cur != NULL; cur = next) {
    00788     next = cur->next;
    00789     if (_date - _news_type_data[_news_subtype_data[cur->subtype].type].age * _settings_client.gui.news_message_timeout > cur->date) DeleteNewsItem(cur);
    00790   }
    00791 }
    00792
    00799 void ChangeVehicleNews(VehicleID from_index, VehicleID to_index)
    00800 {
    00801   for (NewsItem *ni = _oldest_news; ni != NULL; ni = ni->next) {
    00802     if (ni->reftype1 == NR_VEHICLE && ni->ref1 == from_index) ni->ref1 = to_index;
    00803     if (ni->reftype2 == NR_VEHICLE && ni->ref2 == from_index) ni->ref2 = to_index;
    00804
    00805     /* Oh noes :(
    00806      * Autoreplace is breaking the whole news-reference concept here, as we want to keep the news,
    00807      * but do not know which DParams to change.
    00808      *
    00809      * Currently only NS_ADVICE news have vehicle IDs in their DParams.
    00810      * And all NS_ADVICE news have the ID in param 0.
    00811      */
    00812     if (ni->subtype == NS_ADVICE && ni->params[0] == from_index) ni->params[0] = to_index;
    00813   }
    00814 }
    00815
    00816 void NewsLoop()
    00817 {
    00818   /* no news item yet */
    00819   if (_total_news == 0) return;
    00820
    00821   /* There is no status bar, so no reason to show news;
    00822    * especially important with the end game screen when
    00823    * there is no status bar but possible news. */
    00824   if (FindWindowById(WC_STATUS_BAR, 0) == NULL) return;
    00825
    00826   static byte _last_clean_month = 0;
    00827
    00828   if (_last_clean_month != _cur_month) {
    00829     RemoveOldNewsItems();
    00830     _last_clean_month = _cur_month;
    00831   }
    00832
    00833   if (ReadyForNextItem()) MoveToNextItem();
    00834 }
    00835
    00837 static void ShowNewsMessage(const NewsItem *ni)
    00838 {
    00839   assert(_total_news != 0);
    00840
    00841   /* Delete the news window */
    00842   DeleteWindowById(WC_NEWS_WINDOW, 0);
    00843
    00844   /* setup forced news item */
    00845   _forced_news = ni;
    00846
    00847   if (_forced_news != NULL) {
    00848     DeleteWindowById(WC_NEWS_WINDOW, 0);
    00849     ShowNewspaper(ni);
    00850   }
    00851 }
    00852
    00854 void ShowLastNewsMessage()
    00855 {
    00856   if (_total_news == 0) {
    00857     return;
    00858   } else if (_forced_news == NULL) {
    00859     /* Not forced any news yet, show the current one, unless a news window is
    00860      * open (which can only be the current one), then show the previous item */
    00861     const Window *w = FindWindowById(WC_NEWS_WINDOW, 0);
    00862     ShowNewsMessage((w == NULL || (_current_news == _oldest_news)) ? _current_news : _current_news->prev);
    00863   } else if (_forced_news == _oldest_news) {
    00864     /* We have reached the oldest news, start anew with the latest */
    00865     ShowNewsMessage(_latest_news);
    00866   } else {
    00867     /* 'Scrolling' through news history show each one in turn */
    00868     ShowNewsMessage(_forced_news->prev);
    00869   }
    00870 }
    00871
    00872
    00883 static void DrawNewsString(uint left, uint right, int y, TextColour colour, const NewsItem *ni)
    00884 {
    00885   char buffer[512], buffer2[512];
    00886   StringID str;
    00887
    00888   CopyInDParam(0, ni->params, lengthof(ni->params));
    00889   str = ni->string_id;
    00890
    00891   GetString(buffer, str, lastof(buffer));
    00892   /* Copy the just gotten string to another buffer to remove any formatting
    00893    * from it such as big fonts, etc. */
    00894   const char *ptr = buffer;
    00895   char *dest = buffer2;
    00896   WChar c_last = '\0';
    00897   for (;;) {
    00898     WChar c = Utf8Consume(&ptr);
    00899     if (c == 0) break;
    00900     /* Make a space from a newline, but ignore multiple newlines */
    00901     if (c == '\n' && c_last != '\n') {
    00902       dest[0] = ' ';
    00903       dest++;
    00904     } else if (c == '\r') {
    00905       dest[0] = dest[1] = dest[2] = dest[3] = ' ';
    00906       dest += 4;
    00907     } else if (IsPrintable(c)) {
    00908       dest += Utf8Encode(dest, c);
    00909     }
    00910     c_last = c;
    00911   }
    00912
    00913   *dest = '\0';
    00914   /* Truncate and show string; postfixed by '...' if neccessary */
    00915   DrawString(left, right, y, buffer2, colour);
    00916 }
    00917
    00919 enum MessageHistoryWidgets {
    00920   MHW_STICKYBOX,
    00921   MHW_BACKGROUND,
    00922   MHW_SCROLLBAR,
    00923 };
    00924
    00925 struct MessageHistoryWindow : Window {
    00926   static const int top_spacing;
    00927   static const int bottom_spacing;
    00928
    00929   int line_height;
    00930   int date_width;
    00931
    00932   MessageHistoryWindow(const WindowDesc *desc) : Window()
    00933   {
    00934     this->InitNested(desc); // Initializes 'this->line_height' and 'this->date_width'.
    00935     this->OnInvalidateData(0);
    00936   }
    00937
    00938   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00939   {
    00940     if (widget == MHW_BACKGROUND) {
    00941       this->line_height = FONT_HEIGHT_NORMAL + 2;
    00942       resize->height = this->line_height;
    00943
    00944       SetDParam(0, ConvertYMDToDate(ORIGINAL_MAX_YEAR, 12, 30));
    00945       this->date_width = GetStringBoundingBox(STR_SHORT_DATE).width;
    00946
    00947       size->height = 4 * resize->height + this->top_spacing + this->bottom_spacing; // At least 4 lines are visible.
    00948       size->width = max(200u, size->width); // At least 200 pixels wide.
    00949     }
    00950   }
    00951
    00952   virtual void OnPaint()
    00953   {
    00954     this->OnInvalidateData(0);
    00955     this->DrawWidgets();
    00956   }
    00957
    00958   virtual void DrawWidget(const Rect &r, int widget) const
    00959   {
    00960     if (widget != MHW_BACKGROUND || _total_news == 0) return;
    00961
    00962     /* Find the first news item to display. */
    00963     NewsItem *ni = _latest_news;
    00964     for (int n = this->vscroll.GetPosition(); n > 0; n--) {
    00965       ni = ni->prev;
    00966       if (ni == NULL) return;
    00967     }
    00968
    00969     /* Fill the widget with news items. */
    00970     int y = r.top + this->top_spacing;
    00971     bool rtl = _dynlang.text_dir == TD_RTL;
    00972     uint date_left  = rtl ? r.right - WD_FRAMERECT_RIGHT - this->date_width : r.left + WD_FRAMERECT_LEFT;
    00973     uint date_right = rtl ? r.right - WD_FRAMERECT_RIGHT : r.left + WD_FRAMERECT_LEFT + this->date_width;
    00974     uint news_left  = rtl ? r.left + WD_FRAMERECT_LEFT : r.left + WD_FRAMERECT_LEFT + this->date_width + WD_FRAMERECT_RIGHT;
    00975     uint news_right = rtl ? r.right - WD_FRAMERECT_RIGHT - this->date_width - WD_FRAMERECT_RIGHT : r.right - WD_FRAMERECT_RIGHT;
    00976     for (int n = this->vscroll.GetCapacity(); n > 0; n--) {
    00977       SetDParam(0, ni->date);
    00978       DrawString(date_left, date_right, y, STR_SHORT_DATE);
    00979
    00980       DrawNewsString(news_left, news_right, y, TC_WHITE, ni);
    00981       y += this->line_height;
    00982
    00983       ni = ni->prev;
    00984       if (ni == NULL) return;
    00985     }
    00986   }
    00987
    00988   virtual void OnInvalidateData(int data)
    00989   {
    00990     this->vscroll.SetCount(_total_news);
    00991   }
    00992
    00993   virtual void OnClick(Point pt, int widget)
    00994   {
    00995     if (widget == MHW_BACKGROUND) {
    00996       NewsItem *ni = _latest_news;
    00997       if (ni == NULL) return;
    00998
    00999       for (int n = (pt.y - this->GetWidget<NWidgetBase>(MHW_BACKGROUND)->pos_y - WD_FRAMERECT_TOP) / this->line_height + this->vscroll.GetPosition(); n > 0; n--) {
    01000         ni = ni->prev;
    01001         if (ni == NULL) return;
    01002       }
    01003
    01004       ShowNewsMessage(ni);
    01005     }
    01006   }
    01007
    01008   virtual void OnResize()
    01009   {
    01010     this->vscroll.SetCapacity(this->GetWidget<NWidgetBase>(MHW_BACKGROUND)->current_y / this->line_height);
    01011   }
    01012 };
    01013
    01014 const int MessageHistoryWindow::top_spacing = WD_FRAMERECT_TOP + 4;
    01015 const int MessageHistoryWindow::bottom_spacing = WD_FRAMERECT_BOTTOM;
    01016
    01017 static const NWidgetPart _nested_message_history[] = {
    01018   NWidget(NWID_HORIZONTAL),
    01019     NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
    01020     NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_MESSAGE_HISTORY, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    01021     NWidget(WWT_SHADEBOX, COLOUR_BROWN),
    01022     NWidget(WWT_STICKYBOX, COLOUR_BROWN),
    01023   EndContainer(),
    01024
    01025   NWidget(NWID_HORIZONTAL),
    01026     NWidget(WWT_PANEL, COLOUR_BROWN, MHW_BACKGROUND), SetMinimalSize(200, 125), SetDataTip(0x0, STR_MESSAGE_HISTORY_TOOLTIP), SetResize(1, 12),
    01027     EndContainer(),
    01028     NWidget(NWID_VERTICAL),
    01029       NWidget(WWT_SCROLLBAR, COLOUR_BROWN, MHW_SCROLLBAR),
    01030       NWidget(WWT_RESIZEBOX, COLOUR_BROWN),
    01031     EndContainer(),
    01032   EndContainer(),
    01033 };
    01034
    01035 static const WindowDesc _message_history_desc(
    01036   WDP_AUTO, 400, 140,
    01037   WC_MESSAGE_HISTORY, WC_NONE,
    01038   WDF_UNCLICK_BUTTONS,
    01039   _nested_message_history, lengthof(_nested_message_history)
    01040 );
    01041
    01043 void ShowMessageHistory()
    01044 {
    01045   DeleteWindowById(WC_MESSAGE_HISTORY, 0);
    01046   new MessageHistoryWindow(&_message_history_desc);
    01047 }
    01048
    01050 enum MessageOptionsSpace {
    01051   MOS_WIDG_PER_SETTING      = 4,
    01052
    01053   MOS_LEFT_EDGE             = 6,
    01054   MOS_COLUMN_SPACING        = 4,
    01055   MOS_RIGHT_EDGE            = 6,
    01056   MOS_BUTTON_SPACE          = 10,
    01057
    01058   MOS_ABOVE_GLOBAL_SETTINGS = 6,
    01059   MOS_BOTTOM_EDGE           = 6,
    01060 };
    01061
    01063 enum MessageOptionWidgets {
    01064   WIDGET_NEWSOPT_BACKGROUND,
    01065   WIDGET_NEWSOPT_LABEL,
    01066   WIDGET_NEWSOPT_DROP_SUMMARY,
    01067   WIDGET_NEWSOPT_LABEL_SUMMARY,
    01068   WIDGET_NEWSOPT_SOUNDTICKER,
    01069   WIDGET_NEWSOPT_SOUNDTICKER_LABEL,
    01070
    01071   WIDGET_NEWSOPT_START_OPTION,
    01072   WIDGET_NEWSOPT_END_OPTION = WIDGET_NEWSOPT_START_OPTION + NT_END * MOS_WIDG_PER_SETTING,
    01073 };
    01074
    01075 struct MessageOptionsWindow : Window {
    01076   static const StringID message_opt[];
    01077   int state;
    01078   Dimension dim_message_opt;
    01079
    01080   MessageOptionsWindow(const WindowDesc *desc) : Window()
    01081   {
    01082     this->InitNested(desc);
    01083     /* Set up the initial disabled buttons in the case of 'off' or 'full' */
    01084     NewsDisplay all_val = _news_type_data[0].display;
    01085     for (int i = 0; i < NT_END; i++) {
    01086       this->SetMessageButtonStates(_news_type_data[i].display, i);
    01087       /* If the value doesn't match the ALL-button value, set the ALL-button value to 'off' */
    01088       if (_news_type_data[i].display != all_val) all_val = ND_OFF;
    01089     }
    01090     /* If all values are the same value, the ALL-button will take over this value */
    01091     this->state = all_val;
    01092     this->OnInvalidateData(0);
    01093   }
    01094
    01103   void SetMessageButtonStates(byte value, int element)
    01104   {
    01105     element *= MOS_WIDG_PER_SETTING;
    01106
    01107     this->SetWidgetDisabledState(element + WIDGET_NEWSOPT_START_OPTION, value == 0);
    01108     this->SetWidgetDisabledState(element + WIDGET_NEWSOPT_START_OPTION + 2, value == 2);
    01109   }
    01110
    01111   virtual void OnPaint()
    01112   {
    01113     this->DrawWidgets();
    01114   }
    01115
    01116   virtual void DrawWidget(const Rect &r, int widget) const
    01117   {
    01118     if (widget >= WIDGET_NEWSOPT_START_OPTION && widget < WIDGET_NEWSOPT_END_OPTION && (widget -  WIDGET_NEWSOPT_START_OPTION) % MOS_WIDG_PER_SETTING == 1) {
    01119       /* Draw the string of each setting on each button. */
    01120       int i = (widget -  WIDGET_NEWSOPT_START_OPTION) / MOS_WIDG_PER_SETTING;
    01121       DrawString(r.left, r.right, r.top + 2, this->message_opt[_news_type_data[i].display], TC_BLACK, SA_CENTER);
    01122     }
    01123   }
    01124
    01125   virtual void OnInit()
    01126   {
    01127     this->dim_message_opt.width  = 0;
    01128     this->dim_message_opt.height = 0;
    01129     for (const StringID *str = message_opt; *str != INVALID_STRING_ID; str++) this->dim_message_opt = maxdim(this->dim_message_opt, GetStringBoundingBox(*str));
    01130   }
    01131
    01132   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    01133   {
    01134     if (widget >= WIDGET_NEWSOPT_START_OPTION && widget < WIDGET_NEWSOPT_END_OPTION) {
    01135       /* Height is the biggest widget height in a row. */
    01136       size->height = FONT_HEIGHT_NORMAL + max(WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM, WD_IMGBTN_TOP + WD_IMGBTN_BOTTOM);
    01137
    01138       /* Compute width for the label widget only. */
    01139       if ((widget - WIDGET_NEWSOPT_START_OPTION) % MOS_WIDG_PER_SETTING == 1) {
    01140         size->width = this->dim_message_opt.width + padding.width + MOS_BUTTON_SPACE; // A bit extra for better looks.
    01141       }
    01142       return;
    01143     }
    01144
    01145     /* Size computations for global message options. */
    01146     if (widget == WIDGET_NEWSOPT_DROP_SUMMARY || widget == WIDGET_NEWSOPT_LABEL_SUMMARY || widget == WIDGET_NEWSOPT_SOUNDTICKER || widget == WIDGET_NEWSOPT_SOUNDTICKER_LABEL) {
    01147       /* Height is the biggest widget height in a row. */
    01148       size->height = FONT_HEIGHT_NORMAL + max(WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM, WD_DROPDOWNTEXT_TOP + WD_DROPDOWNTEXT_BOTTOM);
    01149
    01150       if (widget == WIDGET_NEWSOPT_DROP_SUMMARY) {
    01151         size->width = this->dim_message_opt.width + padding.width + MOS_BUTTON_SPACE; // A bit extra for better looks.
    01152       } else if (widget == WIDGET_NEWSOPT_SOUNDTICKER) {
    01153         size->width += MOS_BUTTON_SPACE; // A bit extra for better looks.
    01154       }
    01155       return;
    01156     }
    01157   }
    01158
    01159   virtual void OnInvalidateData(int data)
    01160   {
    01161     /* Update the dropdown value for 'set all categories'. */
    01162     this->GetWidget<NWidgetCore>(WIDGET_NEWSOPT_DROP_SUMMARY)->widget_data = this->message_opt[this->state];
    01163
    01164     /* Update widget to reflect the value of the #_news_ticker_sound variable. */
    01165     this->SetWidgetLoweredState(WIDGET_NEWSOPT_SOUNDTICKER, _news_ticker_sound);
    01166   }
    01167
    01168   virtual void OnClick(Point pt, int widget)
    01169   {
    01170     switch (widget) {
    01171       case WIDGET_NEWSOPT_DROP_SUMMARY: // Dropdown menu for all settings
    01172         ShowDropDownMenu(this, this->message_opt, this->state, WIDGET_NEWSOPT_DROP_SUMMARY, 0, 0);
    01173         break;
    01174
    01175       case WIDGET_NEWSOPT_SOUNDTICKER: // Change ticker sound on/off
    01176         _news_ticker_sound ^= 1;
    01177         this->InvalidateData();
    01178         break;
    01179
    01180       default: { // Clicked on the [<] .. [>] widgets
    01181         if (widget >= WIDGET_NEWSOPT_START_OPTION && widget < WIDGET_NEWSOPT_END_OPTION) {
    01182           int wid = widget - WIDGET_NEWSOPT_START_OPTION;
    01183           int element = wid / MOS_WIDG_PER_SETTING;
    01184           byte val = (_news_type_data[element].display + ((wid % MOS_WIDG_PER_SETTING) ? 1 : -1)) % 3;
    01185
    01186           this->SetMessageButtonStates(val, element);
    01187           _news_type_data[element].display = (NewsDisplay)val;
    01188           this->SetDirty();
    01189         }
    01190         break;
    01191       }
    01192     }
    01193   }
    01194
    01195   virtual void OnDropdownSelect(int widget, int index)
    01196   {
    01197     this->state = index;
    01198
    01199     for (int i = 0; i < NT_END; i++) {
    01200       this->SetMessageButtonStates(index, i);
    01201       _news_type_data[i].display = (NewsDisplay)index;
    01202     }
    01203     this->InvalidateData();
    01204   }
    01205 };
    01206
    01207 const StringID MessageOptionsWindow::message_opt[] = {STR_NEWS_MESSAGES_OFF, STR_NEWS_MESSAGES_SUMMARY, STR_NEWS_MESSAGES_FULL, INVALID_STRING_ID};
    01208
    01210 static NWidgetBase *MakeButtonsColumn(int *biggest_index)
    01211 {
    01212   NWidgetVertical *vert_buttons = new NWidgetVertical;
    01213
    01214   /* Top-part of the column, one row for each new category. */
    01215   int widnum = WIDGET_NEWSOPT_START_OPTION;
    01216   for (int i = 0; i < NT_END; i++) {
    01217     NWidgetHorizontal *hor = new NWidgetHorizontal;
    01218     /* [<] button. */
    01219     NWidgetLeaf *leaf = new NWidgetLeaf(NWID_BUTTON_ARROW, COLOUR_YELLOW, widnum, AWV_DECREASE, STR_TOOLTIP_HSCROLL_BAR_SCROLLS_LIST);
    01220     leaf->SetFill(1, 1);
    01221     hor->Add(leaf);
    01222     /* Label. */
    01223     leaf = new NWidgetLeaf(WWT_PUSHTXTBTN, COLOUR_YELLOW, widnum + 1, STR_EMPTY, STR_NULL);
    01224     leaf->SetFill(1, 1);
    01225     hor->Add(leaf);
    01226     /* [>] button. */
    01227     leaf = new NWidgetLeaf(NWID_BUTTON_ARROW, COLOUR_YELLOW, widnum + 2, AWV_INCREASE, STR_TOOLTIP_HSCROLL_BAR_SCROLLS_LIST);
    01228     leaf->SetFill(1, 1);
    01229     hor->Add(leaf);
    01230     vert_buttons->Add(hor);
    01231
    01232     widnum += MOS_WIDG_PER_SETTING;
    01233   }
    01234   *biggest_index = widnum - MOS_WIDG_PER_SETTING + 2;
    01235
    01236   /* Space between the category buttons and the global settings buttons. */
    01237   NWidgetSpacer *spacer = new NWidgetSpacer(0, MOS_ABOVE_GLOBAL_SETTINGS);
    01238   vert_buttons->Add(spacer);
    01239
    01240   /* Bottom part of the column with buttons for global changes. */
    01241   NWidgetLeaf *leaf = new NWidgetLeaf(WWT_DROPDOWN, COLOUR_YELLOW, WIDGET_NEWSOPT_DROP_SUMMARY, STR_EMPTY, STR_NULL);
    01242   leaf->SetFill(1, 1);
    01243   vert_buttons->Add(leaf);
    01244
    01245   leaf = new NWidgetLeaf(WWT_TEXTBTN_2, COLOUR_YELLOW, WIDGET_NEWSOPT_SOUNDTICKER, STR_STATION_BUILD_COVERAGE_OFF, STR_NULL);
    01246   leaf->SetFill(1, 1);
    01247   vert_buttons->Add(leaf);
    01248
    01249   *biggest_index = max(*biggest_index, max<int>(WIDGET_NEWSOPT_DROP_SUMMARY, WIDGET_NEWSOPT_SOUNDTICKER));
    01250   return vert_buttons;
    01251 }
    01252
    01254 static NWidgetBase *MakeDescriptionColumn(int *biggest_index)
    01255 {
    01256   NWidgetVertical *vert_desc = new NWidgetVertical;
    01257
    01258   /* Top-part of the column, one row for each new category. */
    01259   int widnum = WIDGET_NEWSOPT_START_OPTION;
    01260   for (int i = 0; i < NT_END; i++) {
    01261     NWidgetHorizontal *hor = new NWidgetHorizontal;
    01262
    01263     /* Descriptive text. */
    01264     NWidgetLeaf *leaf = new NWidgetLeaf(WWT_TEXT, COLOUR_YELLOW, widnum + 3, _news_type_data[i].description, STR_NULL);
    01265     hor->Add(leaf);
    01266     /* Filling empty space to push text to the left. */
    01267     NWidgetSpacer *spacer = new NWidgetSpacer(0, 0);
    01268     spacer->SetFill(1, 0);
    01269     hor->Add(spacer);
    01270     vert_desc->Add(hor);
    01271
    01272     widnum += MOS_WIDG_PER_SETTING;
    01273   }
    01274   *biggest_index = widnum - MOS_WIDG_PER_SETTING + 3;
    01275
    01276   /* Space between the category descriptions and the global settings descriptions. */
    01277   NWidgetSpacer *spacer = new NWidgetSpacer(0, MOS_ABOVE_GLOBAL_SETTINGS);
    01278   vert_desc->Add(spacer);
    01279
    01280   /* Bottom part of the column with descriptions of global changes. */
    01281   NWidgetHorizontal *hor = new NWidgetHorizontal;
    01282   NWidgetLeaf *leaf = new NWidgetLeaf(WWT_TEXT, COLOUR_YELLOW, WIDGET_NEWSOPT_LABEL_SUMMARY, STR_NEWS_MESSAGES_ALL, STR_NULL);
    01283   hor->Add(leaf);
    01284   /* Filling empty space to push text to the left. */
    01285   spacer = new NWidgetSpacer(0, 0);
    01286   spacer->SetFill(1, 0);
    01287   hor->Add(spacer);
    01288   vert_desc->Add(hor);
    01289
    01290   hor = new NWidgetHorizontal;
    01291   leaf = new NWidgetLeaf(WWT_TEXT, COLOUR_YELLOW, WIDGET_NEWSOPT_SOUNDTICKER_LABEL, STR_NEWS_MESSAGES_SOUND, STR_NULL);
    01292   hor->Add(leaf);
    01293   /* Filling empty space to push text to the left. */
    01294   spacer = new NWidgetSpacer(0, 0);
    01295   leaf->SetFill(1, 0);
    01296   hor->Add(spacer);
    01297   vert_desc->Add(hor);
    01298
    01299   *biggest_index = max(*biggest_index, max<int>(WIDGET_NEWSOPT_LABEL_SUMMARY, WIDGET_NEWSOPT_SOUNDTICKER_LABEL));
    01300   return vert_desc;
    01301 }
    01302
    01303 static const NWidgetPart _nested_message_options_widgets[] = {
    01304   NWidget(NWID_HORIZONTAL),
    01305     NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
    01306     NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_NEWS_MESSAGE_OPTIONS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    01307   EndContainer(),
    01308   NWidget(WWT_PANEL, COLOUR_BROWN, WIDGET_NEWSOPT_BACKGROUND),
    01309     NWidget(NWID_HORIZONTAL),
    01310       NWidget(NWID_SPACER), SetFill(1, 0),
    01311       NWidget(WWT_LABEL, COLOUR_BROWN, WIDGET_NEWSOPT_LABEL), SetMinimalSize(0, 14), SetDataTip(STR_NEWS_MESSAGE_TYPES, STR_NULL),
    01312       NWidget(NWID_SPACER), SetFill(1, 0),
    01313     EndContainer(),
    01314     NWidget(NWID_HORIZONTAL),
    01315       NWidget(NWID_SPACER), SetMinimalSize(MOS_LEFT_EDGE, 0),
    01316       NWidgetFunction(MakeButtonsColumn),
    01317       NWidget(NWID_SPACER), SetMinimalSize(MOS_COLUMN_SPACING, 0),
    01318       NWidgetFunction(MakeDescriptionColumn),
    01319       NWidget(NWID_SPACER), SetMinimalSize(MOS_RIGHT_EDGE, 0),
    01320     EndContainer(),
    01321     NWidget(NWID_SPACER), SetMinimalSize(0, MOS_BOTTOM_EDGE),
    01322   EndContainer(),
    01323 };
    01324
    01325 static const WindowDesc _message_options_desc(
    01326   WDP_AUTO, 0, 0,
    01327   WC_GAME_OPTIONS, WC_NONE,
    01328   WDF_UNCLICK_BUTTONS,
    01329   _nested_message_options_widgets, lengthof(_nested_message_options_widgets)
    01330 );
    01331
    01332 void ShowMessageOptions()
    01333 {
    01334   DeleteWindowById(WC_GAME_OPTIONS, 0);
    01335   new MessageOptionsWindow(&_message_options_desc);
    01336 }