# industry_gui.cpp

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    00001 /* $Id$ */
    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 "error.h"
    00014 #include "gui.h"
    00015 #include "sound_func.h"
    00016 #include "window_func.h"
    00017 #include "textbuf_gui.h"
    00018 #include "command_func.h"
    00019 #include "viewport_func.h"
    00020 #include "industry.h"
    00021 #include "town.h"
    00022 #include "cheat_type.h"
    00023 #include "newgrf_industries.h"
    00024 #include "newgrf_text.h"
    00025 #include "newgrf_debug.h"
    00026 #include "strings_func.h"
    00027 #include "company_func.h"
    00028 #include "tilehighlight_func.h"
    00029 #include "string_func.h"
    00030 #include "sortlist_type.h"
    00031 #include "widgets/dropdown_func.h"
    00032 #include "company_base.h"
    00033 #include "core/geometry_func.hpp"
    00034 #include "core/random_func.hpp"
    00035 #include "core/backup_type.hpp"
    00036 #include "genworld.h"
    00037 #include "smallmap_gui.h"
    00038
    00039 #include "widgets/industry_widget.h"
    00040
    00041 #include "table/strings.h"
    00042
    00043 bool _ignore_restrictions;
    00044 uint64 _displayed_industries;
    00045
    00046 assert_compile(NUM_INDUSTRYTYPES <= 64); // Make sure all industry types fit in _displayed_industries.
    00047
    00049 enum CargoSuffixType {
    00050   CST_FUND,
    00051   CST_VIEW,
    00052   CST_DIR,
    00053 };
    00054
    00055 static void ShowIndustryCargoesWindow(IndustryType id);
    00056
    00072 static void GetCargoSuffix(uint cargo, CargoSuffixType cst, const Industry *ind, IndustryType ind_type, const IndustrySpec *indspec, char *suffix, const char *suffix_last)
    00073 {
    00074   suffix[0] = '\0';
    00075   if (HasBit(indspec->callback_mask, CBM_IND_CARGO_SUFFIX)) {
    00076     uint16 callback = GetIndustryCallback(CBID_INDUSTRY_CARGO_SUFFIX, 0, (cst << 8) | cargo, const_cast<Industry *>(ind), ind_type, (cst != CST_FUND) ? ind->location.tile : INVALID_TILE);
    00077     if (callback == CALLBACK_FAILED || callback == 0x400) return;
    00078     if (callback > 0x400) {
    00079       ErrorUnknownCallbackResult(indspec->grf_prop.grffile->grfid, CBID_INDUSTRY_CARGO_SUFFIX, callback);
    00080     } else if (indspec->grf_prop.grffile->grf_version >= 8 || GB(callback, 0, 8) != 0xFF) {
    00081       StartTextRefStackUsage(6);
    00082       GetString(suffix, GetGRFStringID(indspec->grf_prop.grffile->grfid, 0xD000 + callback), suffix_last);
    00083       StopTextRefStackUsage();
    00084     }
    00085   }
    00086 }
    00087
    00098 template <typename TC, typename TS>
    00099 static inline void GetAllCargoSuffixes(uint cb_offset, CargoSuffixType cst, const Industry *ind, IndustryType ind_type, const IndustrySpec *indspec, const TC &cargoes, TS &suffixes)
    00100 {
    00101   assert_compile(lengthof(cargoes) <= lengthof(suffixes));
    00102   for (uint j = 0; j < lengthof(cargoes); j++) {
    00103     if (cargoes[j] != CT_INVALID) {
    00104       GetCargoSuffix(cb_offset + j, cst, ind, ind_type, indspec, suffixes[j], lastof(suffixes[j]));
    00105     } else {
    00106       suffixes[j][0] = '\0';
    00107     }
    00108   }
    00109 }
    00110
    00111 IndustryType _sorted_industry_types[NUM_INDUSTRYTYPES];
    00112
    00114 static int CDECL IndustryTypeNameSorter(const IndustryType *a, const IndustryType *b)
    00115 {
    00116   static char industry_name[2][64];
    00117
    00118   const IndustrySpec *indsp1 = GetIndustrySpec(*a);
    00119   SetDParam(0, indsp1->name);
    00120   GetString(industry_name[0], STR_JUST_STRING, lastof(industry_name[0]));
    00121
    00122   const IndustrySpec *indsp2 = GetIndustrySpec(*b);
    00123   SetDParam(0, indsp2->name);
    00124   GetString(industry_name[1], STR_JUST_STRING, lastof(industry_name[1]));
    00125
    00126   int r = strnatcmp(industry_name[0], industry_name[1]); // Sort by name (natural sorting).
    00127
    00128   /* If the names are equal, sort by industry type. */
    00129   return (r != 0) ? r : (*a - *b);
    00130 }
    00131
    00135 void SortIndustryTypes()
    00136 {
    00137   /* Add each industry type to the list. */
    00138   for (IndustryType i = 0; i < NUM_INDUSTRYTYPES; i++) {
    00139     _sorted_industry_types[i] = i;
    00140   }
    00141
    00142   /* Sort industry types by name. */
    00143   QSortT(_sorted_industry_types, NUM_INDUSTRYTYPES, &IndustryTypeNameSorter);
    00144 }
    00145
    00153 void CcBuildIndustry(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
    00154 {
    00155   if (result.Succeeded()) return;
    00156
    00157   uint8 indtype = GB(p1, 0, 8);
    00158   if (indtype < NUM_INDUSTRYTYPES) {
    00159     const IndustrySpec *indsp = GetIndustrySpec(indtype);
    00160     if (indsp->enabled) {
    00161       SetDParam(0, indsp->name);
    00162       ShowErrorMessage(STR_ERROR_CAN_T_BUILD_HERE, result.GetErrorMessage(), WL_INFO, TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE);
    00163     }
    00164   }
    00165 }
    00166
    00167 static const NWidgetPart _nested_build_industry_widgets[] = {
    00168   NWidget(NWID_HORIZONTAL),
    00169     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
    00170     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_FUND_INDUSTRY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00171     NWidget(WWT_SHADEBOX, COLOUR_DARK_GREEN),
    00172     NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
    00173   EndContainer(),
    00174   NWidget(NWID_HORIZONTAL),
    00175     NWidget(WWT_MATRIX, COLOUR_DARK_GREEN, WID_DPI_MATRIX_WIDGET), SetDataTip(0x801, STR_FUND_INDUSTRY_SELECTION_TOOLTIP), SetFill(1, 0), SetResize(1, 1), SetScrollbar(WID_DPI_SCROLLBAR),
    00176     NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_DPI_SCROLLBAR),
    00177   EndContainer(),
    00178   NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_DPI_INFOPANEL), SetResize(1, 0),
    00179   EndContainer(),
    00180   NWidget(NWID_HORIZONTAL),
    00181     NWidget(WWT_TEXTBTN, COLOUR_DARK_GREEN, WID_DPI_DISPLAY_WIDGET), SetFill(1, 0), SetResize(1, 0),
    00182         SetDataTip(STR_INDUSTRY_DISPLAY_CHAIN, STR_INDUSTRY_DISPLAY_CHAIN_TOOLTIP),
    00183     NWidget(WWT_TEXTBTN, COLOUR_DARK_GREEN, WID_DPI_FUND_WIDGET), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_JUST_STRING, STR_NULL),
    00184     NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
    00185   EndContainer(),
    00186 };
    00187
    00189 static const WindowDesc _build_industry_desc(
    00190   WDP_AUTO, 170, 212,
    00191   WC_BUILD_INDUSTRY, WC_NONE,
    00192   WDF_CONSTRUCTION,
    00193   _nested_build_industry_widgets, lengthof(_nested_build_industry_widgets)
    00194 );
    00195
    00197 class BuildIndustryWindow : public Window {
    00198   int selected_index;
    00199   IndustryType selected_type;
    00200   uint16 callback_timer;
    00201   bool timer_enabled;
    00202   uint16 count;
    00203   IndustryType index[NUM_INDUSTRYTYPES + 1];
    00204   bool enabled[NUM_INDUSTRYTYPES + 1];
    00205   Scrollbar *vscroll;
    00206
    00208   static const int MATRIX_TEXT_OFFSET = 17;
    00209
    00210   void SetupArrays()
    00211   {
    00212     this->count = 0;
    00213
    00214     for (uint i = 0; i < lengthof(this->index); i++) {
    00215       this->index[i]   = INVALID_INDUSTRYTYPE;
    00216       this->enabled[i] = false;
    00217     }
    00218
    00219     if (_game_mode == GM_EDITOR) { // give room for the Many Random "button"
    00220       this->index[this->count] = INVALID_INDUSTRYTYPE;
    00221       this->enabled[this->count] = true;
    00222       this->count++;
    00223       this->timer_enabled = false;
    00224     }
    00225     /* Fill the arrays with industries.
    00226      * The tests performed after the enabled allow to load the industries
    00227      * In the same way they are inserted by grf (if any)
    00228      */
    00229     for (uint8 i = 0; i < NUM_INDUSTRYTYPES; i++) {
    00230       IndustryType ind = _sorted_industry_types[i];
    00231       const IndustrySpec *indsp = GetIndustrySpec(ind);
    00232       if (indsp->enabled) {
    00233         /* Rule is that editor mode loads all industries.
    00234          * In game mode, all non raw industries are loaded too
    00235          * and raw ones are loaded only when setting allows it */
    00236         if (_game_mode != GM_EDITOR && indsp->IsRawIndustry() && _settings_game.construction.raw_industry_construction == 0) {
    00237           /* Unselect if the industry is no longer in the list */
    00238           if (this->selected_type == ind) this->selected_index = -1;
    00239           continue;
    00240         }
    00241         this->index[this->count] = ind;
    00242         this->enabled[this->count] = (_game_mode == GM_EDITOR) || GetIndustryProbabilityCallback(ind, IACT_USERCREATION, 1) > 0;
    00243         /* Keep the selection to the correct line */
    00244         if (this->selected_type == ind) this->selected_index = this->count;
    00245         this->count++;
    00246       }
    00247     }
    00248
    00249     /* first indutry type is selected if the current selection is invalid.
    00250      * I'll be damned if there are none available ;) */
    00251     if (this->selected_index == -1) {
    00252       this->selected_index = 0;
    00253       this->selected_type = this->index[0];
    00254     }
    00255
    00256     this->vscroll->SetCount(this->count);
    00257   }
    00258
    00260   void SetButtons()
    00261   {
    00262     this->SetWidgetDisabledState(WID_DPI_FUND_WIDGET, this->selected_type != INVALID_INDUSTRYTYPE && !this->enabled[this->selected_index]);
    00263     this->SetWidgetDisabledState(WID_DPI_DISPLAY_WIDGET, this->selected_type == INVALID_INDUSTRYTYPE && this->enabled[this->selected_index]);
    00264   }
    00265
    00266 public:
    00267   BuildIndustryWindow() : Window()
    00268   {
    00269     this->timer_enabled = _loaded_newgrf_features.has_newindustries;
    00270
    00271     this->selected_index = -1;
    00272     this->selected_type = INVALID_INDUSTRYTYPE;
    00273
    00274     this->callback_timer = DAY_TICKS;
    00275
    00276     this->CreateNestedTree(&_build_industry_desc);
    00277     this->vscroll = this->GetScrollbar(WID_DPI_SCROLLBAR);
    00278     this->FinishInitNested(&_build_industry_desc, 0);
    00279
    00280     this->SetButtons();
    00281   }
    00282
    00283   virtual void OnInit()
    00284   {
    00285     this->SetupArrays();
    00286   }
    00287
    00288   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00289   {
    00290     switch (widget) {
    00291       case WID_DPI_MATRIX_WIDGET: {
    00292         Dimension d = GetStringBoundingBox(STR_FUND_INDUSTRY_MANY_RANDOM_INDUSTRIES);
    00293         for (byte i = 0; i < this->count; i++) {
    00294           if (this->index[i] == INVALID_INDUSTRYTYPE) continue;
    00295           d = maxdim(d, GetStringBoundingBox(GetIndustrySpec(this->index[i])->name));
    00296         }
    00297         resize->height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
    00298         d.width += MATRIX_TEXT_OFFSET + padding.width;
    00299         d.height = 5 * resize->height;
    00300         *size = maxdim(*size, d);
    00301         break;
    00302       }
    00303
    00304       case WID_DPI_INFOPANEL: {
    00305         /* Extra line for cost outside of editor + extra lines for 'extra' information for NewGRFs. */
    00306         int height = 2 + (_game_mode == GM_EDITOR ? 0 : 1) + (_loaded_newgrf_features.has_newindustries ? 4 : 0);
    00307         Dimension d = {0, 0};
    00308         for (byte i = 0; i < this->count; i++) {
    00309           if (this->index[i] == INVALID_INDUSTRYTYPE) continue;
    00310
    00311           const IndustrySpec *indsp = GetIndustrySpec(this->index[i]);
    00312
    00313           char cargo_suffix[3][512];
    00314           GetAllCargoSuffixes(0, CST_FUND, NULL, this->index[i], indsp, indsp->accepts_cargo, cargo_suffix);
    00315           StringID str = STR_INDUSTRY_VIEW_REQUIRES_CARGO;
    00316           byte p = 0;
    00317           SetDParam(0, STR_JUST_NOTHING);
    00318           SetDParamStr(1, "");
    00319           for (byte j = 0; j < lengthof(indsp->accepts_cargo); j++) {
    00320             if (indsp->accepts_cargo[j] == CT_INVALID) continue;
    00321             if (p > 0) str++;
    00322             SetDParam(p++, CargoSpec::Get(indsp->accepts_cargo[j])->name);
    00323             SetDParamStr(p++, cargo_suffix[j]);
    00324           }
    00325           d = maxdim(d, GetStringBoundingBox(str));
    00326
    00327           /* Draw the produced cargoes, if any. Otherwise, will print "Nothing". */
    00328           GetAllCargoSuffixes(3, CST_FUND, NULL, this->index[i], indsp, indsp->produced_cargo, cargo_suffix);
    00329           str = STR_INDUSTRY_VIEW_PRODUCES_CARGO;
    00330           p = 0;
    00331           SetDParam(0, STR_JUST_NOTHING);
    00332           SetDParamStr(1, "");
    00333           for (byte j = 0; j < lengthof(indsp->produced_cargo); j++) {
    00334             if (indsp->produced_cargo[j] == CT_INVALID) continue;
    00335             if (p > 0) str++;
    00336             SetDParam(p++, CargoSpec::Get(indsp->produced_cargo[j])->name);
    00337             SetDParamStr(p++, cargo_suffix[j]);
    00338           }
    00339           d = maxdim(d, GetStringBoundingBox(str));
    00340         }
    00341
    00342         /* Set it to something more sane :) */
    00343         size->height = height * FONT_HEIGHT_NORMAL + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
    00344         size->width  = d.width + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
    00345         break;
    00346       }
    00347
    00348       case WID_DPI_FUND_WIDGET: {
    00349         Dimension d = GetStringBoundingBox(STR_FUND_INDUSTRY_BUILD_NEW_INDUSTRY);
    00350         d = maxdim(d, GetStringBoundingBox(STR_FUND_INDUSTRY_PROSPECT_NEW_INDUSTRY));
    00351         d = maxdim(d, GetStringBoundingBox(STR_FUND_INDUSTRY_FUND_NEW_INDUSTRY));
    00352         d.width += padding.width;
    00353         d.height += padding.height;
    00354         *size = maxdim(*size, d);
    00355         break;
    00356       }
    00357     }
    00358   }
    00359
    00360   virtual void SetStringParameters(int widget) const
    00361   {
    00362     switch (widget) {
    00363       case WID_DPI_FUND_WIDGET:
    00364         /* Raw industries might be prospected. Show this fact by changing the string
    00365          * In Editor, you just build, while ingame, or you fund or you prospect */
    00366         if (_game_mode == GM_EDITOR) {
    00367           /* We've chosen many random industries but no industries have been specified */
    00368           SetDParam(0, STR_FUND_INDUSTRY_BUILD_NEW_INDUSTRY);
    00369         } else {
    00370           const IndustrySpec *indsp = GetIndustrySpec(this->index[this->selected_index]);
    00371           SetDParam(0, (_settings_game.construction.raw_industry_construction == 2 && indsp->IsRawIndustry()) ? STR_FUND_INDUSTRY_PROSPECT_NEW_INDUSTRY : STR_FUND_INDUSTRY_FUND_NEW_INDUSTRY);
    00372         }
    00373         break;
    00374     }
    00375   }
    00376
    00377   virtual void DrawWidget(const Rect &r, int widget) const
    00378   {
    00379     switch (widget) {
    00380       case WID_DPI_MATRIX_WIDGET:
    00381         for (byte i = 0; i < this->vscroll->GetCapacity() && i + this->vscroll->GetPosition() < this->count; i++) {
    00382           int x = r.left + WD_MATRIX_LEFT;
    00383           int y = r.top + WD_MATRIX_TOP + i * this->resize.step_height;
    00384           bool selected = this->selected_index == i + this->vscroll->GetPosition();
    00385
    00386           if (this->index[i + this->vscroll->GetPosition()] == INVALID_INDUSTRYTYPE) {
    00387             DrawString(x + MATRIX_TEXT_OFFSET, r.right - WD_MATRIX_RIGHT, y, STR_FUND_INDUSTRY_MANY_RANDOM_INDUSTRIES, selected ? TC_WHITE : TC_ORANGE);
    00388             continue;
    00389           }
    00390           const IndustrySpec *indsp = GetIndustrySpec(this->index[i + this->vscroll->GetPosition()]);
    00391
    00392           /* Draw the name of the industry in white is selected, otherwise, in orange */
    00393           DrawString(x + MATRIX_TEXT_OFFSET, r.right - WD_MATRIX_RIGHT, y, indsp->name, selected ? TC_WHITE : TC_ORANGE);
    00394           GfxFillRect(x,     y + 1,  x + 10, y + 7, selected ? PC_WHITE : PC_BLACK);
    00395           GfxFillRect(x + 1, y + 2,  x +  9, y + 6, indsp->map_colour);
    00396         }
    00397         break;
    00398
    00399       case WID_DPI_INFOPANEL: {
    00400         int y      = r.top    + WD_FRAMERECT_TOP;
    00401         int bottom = r.bottom - WD_FRAMERECT_BOTTOM;
    00402         int left   = r.left   + WD_FRAMERECT_LEFT;
    00403         int right  = r.right  - WD_FRAMERECT_RIGHT;
    00404
    00405         if (this->selected_type == INVALID_INDUSTRYTYPE) {
    00406           DrawStringMultiLine(left, right, y,  bottom, STR_FUND_INDUSTRY_MANY_RANDOM_INDUSTRIES_TOOLTIP);
    00407           break;
    00408         }
    00409
    00410         const IndustrySpec *indsp = GetIndustrySpec(this->selected_type);
    00411
    00412         if (_game_mode != GM_EDITOR) {
    00413           SetDParam(0, indsp->GetConstructionCost());
    00414           DrawString(left, right, y, STR_FUND_INDUSTRY_INDUSTRY_BUILD_COST);
    00415           y += FONT_HEIGHT_NORMAL;
    00416         }
    00417
    00418         /* Draw the accepted cargoes, if any. Otherwise, will print "Nothing". */
    00419         char cargo_suffix[3][512];
    00420         GetAllCargoSuffixes(0, CST_FUND, NULL, this->selected_type, indsp, indsp->accepts_cargo, cargo_suffix);
    00421         StringID str = STR_INDUSTRY_VIEW_REQUIRES_CARGO;
    00422         byte p = 0;
    00423         SetDParam(0, STR_JUST_NOTHING);
    00424         SetDParamStr(1, "");
    00425         for (byte j = 0; j < lengthof(indsp->accepts_cargo); j++) {
    00426           if (indsp->accepts_cargo[j] == CT_INVALID) continue;
    00427           if (p > 0) str++;
    00428           SetDParam(p++, CargoSpec::Get(indsp->accepts_cargo[j])->name);
    00429           SetDParamStr(p++, cargo_suffix[j]);
    00430         }
    00431         DrawString(left, right, y, str);
    00432         y += FONT_HEIGHT_NORMAL;
    00433
    00434         /* Draw the produced cargoes, if any. Otherwise, will print "Nothing". */
    00435         GetAllCargoSuffixes(3, CST_FUND, NULL, this->selected_type, indsp, indsp->produced_cargo, cargo_suffix);
    00436         str = STR_INDUSTRY_VIEW_PRODUCES_CARGO;
    00437         p = 0;
    00438         SetDParam(0, STR_JUST_NOTHING);
    00439         SetDParamStr(1, "");
    00440         for (byte j = 0; j < lengthof(indsp->produced_cargo); j++) {
    00441           if (indsp->produced_cargo[j] == CT_INVALID) continue;
    00442           if (p > 0) str++;
    00443           SetDParam(p++, CargoSpec::Get(indsp->produced_cargo[j])->name);
    00444           SetDParamStr(p++, cargo_suffix[j]);
    00445         }
    00446         DrawString(left, right, y, str);
    00447         y += FONT_HEIGHT_NORMAL;
    00448
    00449         /* Get the additional purchase info text, if it has not already been queried. */
    00450         str = STR_NULL;
    00451         if (HasBit(indsp->callback_mask, CBM_IND_FUND_MORE_TEXT)) {
    00452           uint16 callback_res = GetIndustryCallback(CBID_INDUSTRY_FUND_MORE_TEXT, 0, 0, NULL, this->selected_type, INVALID_TILE);
    00453           if (callback_res != CALLBACK_FAILED && callback_res != 0x400) {
    00454             if (callback_res > 0x400) {
    00455               ErrorUnknownCallbackResult(indsp->grf_prop.grffile->grfid, CBID_INDUSTRY_FUND_MORE_TEXT, callback_res);
    00456             } else {
    00457               str = GetGRFStringID(indsp->grf_prop.grffile->grfid, 0xD000 + callback_res);  // No. here's the new string
    00458               if (str != STR_UNDEFINED) {
    00459                 StartTextRefStackUsage(6);
    00460                 DrawStringMultiLine(left, right, y, bottom, str, TC_YELLOW);
    00461                 StopTextRefStackUsage();
    00462               }
    00463             }
    00464           }
    00465         }
    00466         break;
    00467       }
    00468     }
    00469   }
    00470
    00471   virtual void OnClick(Point pt, int widget, int click_count)
    00472   {
    00473     switch (widget) {
    00474       case WID_DPI_MATRIX_WIDGET: {
    00475         int y = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_DPI_MATRIX_WIDGET);
    00476         if (y < this->count) { // Is it within the boundaries of available data?
    00477           this->selected_index = y;
    00478           this->selected_type = this->index[y];
    00479           const IndustrySpec *indsp = (this->selected_type == INVALID_INDUSTRYTYPE) ? NULL : GetIndustrySpec(this->selected_type);
    00480
    00481           this->SetDirty();
    00482
    00483           if (_thd.GetCallbackWnd() == this &&
    00484               ((_game_mode != GM_EDITOR && _settings_game.construction.raw_industry_construction == 2 && indsp != NULL && indsp->IsRawIndustry()) ||
    00485               this->selected_type == INVALID_INDUSTRYTYPE ||
    00486               !this->enabled[this->selected_index])) {
    00487             /* Reset the button state if going to prospecting or "build many industries" */
    00488             this->RaiseButtons();
    00489             ResetObjectToPlace();
    00490           }
    00491
    00492           this->SetButtons();
    00493           if (this->enabled[this->selected_index] && click_count > 1) this->OnClick(pt, WID_DPI_FUND_WIDGET, 1);
    00494         }
    00495         break;
    00496       }
    00497
    00498       case WID_DPI_DISPLAY_WIDGET:
    00499         if (this->selected_type != INVALID_INDUSTRYTYPE) ShowIndustryCargoesWindow(this->selected_type);
    00500         break;
    00501
    00502       case WID_DPI_FUND_WIDGET: {
    00503         if (this->selected_type == INVALID_INDUSTRYTYPE) {
    00504           this->HandleButtonClick(WID_DPI_FUND_WIDGET);
    00505
    00506           if (Town::GetNumItems() == 0) {
    00507             ShowErrorMessage(STR_ERROR_CAN_T_GENERATE_INDUSTRIES, STR_ERROR_MUST_FOUND_TOWN_FIRST, WL_INFO);
    00508           } else {
    00509             extern void GenerateIndustries();
    00510             _generating_world = true;
    00511             GenerateIndustries();
    00512             _generating_world = false;
    00513           }
    00514         } else if (_game_mode != GM_EDITOR && _settings_game.construction.raw_industry_construction == 2 && GetIndustrySpec(this->selected_type)->IsRawIndustry()) {
    00515           DoCommandP(0, this->selected_type, InteractiveRandom(), CMD_BUILD_INDUSTRY | CMD_MSG(STR_ERROR_CAN_T_CONSTRUCT_THIS_INDUSTRY));
    00516           this->HandleButtonClick(WID_DPI_FUND_WIDGET);
    00517         } else {
    00518           HandlePlacePushButton(this, WID_DPI_FUND_WIDGET, SPR_CURSOR_INDUSTRY, HT_RECT);
    00519         }
    00520         break;
    00521       }
    00522     }
    00523   }
    00524
    00525   virtual void OnResize()
    00526   {
    00527     /* Adjust the number of items in the matrix depending of the resize */
    00528     this->vscroll->SetCapacityFromWidget(this, WID_DPI_MATRIX_WIDGET);
    00529     this->GetWidget<NWidgetCore>(WID_DPI_MATRIX_WIDGET)->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
    00530   }
    00531
    00532   virtual void OnPlaceObject(Point pt, TileIndex tile)
    00533   {
    00534     bool success = true;
    00535     /* We do not need to protect ourselves against "Random Many Industries" in this mode */
    00536     const IndustrySpec *indsp = GetIndustrySpec(this->selected_type);
    00537     uint32 seed = InteractiveRandom();
    00538
    00539     if (_game_mode == GM_EDITOR) {
    00540       /* Show error if no town exists at all */
    00541       if (Town::GetNumItems() == 0) {
    00542         SetDParam(0, indsp->name);
    00543         ShowErrorMessage(STR_ERROR_CAN_T_BUILD_HERE, STR_ERROR_MUST_FOUND_TOWN_FIRST, WL_INFO, pt.x, pt.y);
    00544         return;
    00545       }
    00546
    00547       Backup<CompanyByte> cur_company(_current_company, OWNER_NONE, FILE_LINE);
    00548       _generating_world = true;
    00549       _ignore_restrictions = true;
    00550
    00551       DoCommandP(tile, (InteractiveRandomRange(indsp->num_table) << 8) | this->selected_type, seed,
    00552           CMD_BUILD_INDUSTRY | CMD_MSG(STR_ERROR_CAN_T_CONSTRUCT_THIS_INDUSTRY), &CcBuildIndustry);
    00553
    00554       cur_company.Restore();
    00555       _ignore_restrictions = false;
    00556       _generating_world = false;
    00557     } else {
    00558       success = DoCommandP(tile, (InteractiveRandomRange(indsp->num_table) << 8) | this->selected_type, seed, CMD_BUILD_INDUSTRY | CMD_MSG(STR_ERROR_CAN_T_CONSTRUCT_THIS_INDUSTRY));
    00559     }
    00560
    00561     /* If an industry has been built, just reset the cursor and the system */
    00562     if (success && !_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
    00563   }
    00564
    00565   virtual void OnTick()
    00566   {
    00567     if (_pause_mode != PM_UNPAUSED) return;
    00568     if (!this->timer_enabled) return;
    00569     if (--this->callback_timer == 0) {
    00570       /* We have just passed another day.
    00571        * See if we need to update availability of currently selected industry */
    00572       this->callback_timer = DAY_TICKS; // restart counter
    00573
    00574       const IndustrySpec *indsp = GetIndustrySpec(this->selected_type);
    00575
    00576       if (indsp->enabled) {
    00577         bool call_back_result = GetIndustryProbabilityCallback(this->selected_type, IACT_USERCREATION, 1) > 0;
    00578
    00579         /* Only if result does match the previous state would it require a redraw. */
    00580         if (call_back_result != this->enabled[this->selected_index]) {
    00581           this->enabled[this->selected_index] = call_back_result;
    00582           this->SetButtons();
    00583           this->SetDirty();
    00584         }
    00585       }
    00586     }
    00587   }
    00588
    00589   virtual void OnTimeout()
    00590   {
    00591     this->RaiseButtons();
    00592   }
    00593
    00594   virtual void OnPlaceObjectAbort()
    00595   {
    00596     this->RaiseButtons();
    00597   }
    00598
    00604   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    00605   {
    00606     if (!gui_scope) return;
    00607     this->SetupArrays();
    00608
    00609     const IndustrySpec *indsp = (this->selected_type == INVALID_INDUSTRYTYPE) ? NULL : GetIndustrySpec(this->selected_type);
    00610     if (indsp == NULL) this->enabled[this->selected_index] = _settings_game.difficulty.industry_density != ID_FUND_ONLY;
    00611     this->SetButtons();
    00612   }
    00613 };
    00614
    00615 void ShowBuildIndustryWindow()
    00616 {
    00617   if (_game_mode != GM_EDITOR && !Company::IsValidID(_local_company)) return;
    00618   if (BringWindowToFrontById(WC_BUILD_INDUSTRY, 0)) return;
    00619   new BuildIndustryWindow();
    00620 }
    00621
    00622 static void UpdateIndustryProduction(Industry *i);
    00623
    00624 static inline bool IsProductionAlterable(const Industry *i)
    00625 {
    00626   const IndustrySpec *is = GetIndustrySpec(i->type);
    00627   return ((_game_mode == GM_EDITOR || _cheats.setup_prod.value) &&
    00628       (is->production_rate[0] != 0 || is->production_rate[1] != 0 || is->IsRawIndustry()));
    00629 }
    00630
    00631 class IndustryViewWindow : public Window
    00632 {
    00634   enum Editability {
    00635     EA_NONE,
    00636     EA_MULTIPLIER,
    00637     EA_RATE,
    00638   };
    00639
    00641   enum InfoLine {
    00642     IL_NONE,
    00643     IL_MULTIPLIER,
    00644     IL_RATE1,
    00645     IL_RATE2,
    00646   };
    00647
    00648   Editability editable;
    00649   InfoLine editbox_line;
    00650   InfoLine clicked_line;
    00651   byte clicked_button;
    00652   int production_offset_y;
    00653   int info_height;
    00654
    00655 public:
    00656   IndustryViewWindow(const WindowDesc *desc, WindowNumber window_number) : Window()
    00657   {
    00658     this->flags |= WF_DISABLE_VP_SCROLL;
    00659     this->editbox_line = IL_NONE;
    00660     this->clicked_line = IL_NONE;
    00661     this->clicked_button = 0;
    00662     this->info_height = WD_FRAMERECT_TOP + 2 * FONT_HEIGHT_NORMAL + WD_FRAMERECT_BOTTOM + 1; // Info panel has at least two lines text.
    00663
    00664     this->InitNested(desc, window_number);
    00665     NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(WID_IV_VIEWPORT);
    00666     nvp->InitializeViewport(this, Industry::Get(window_number)->location.GetCenterTile(), ZOOM_LVL_INDUSTRY);
    00667
    00668     this->InvalidateData();
    00669   }
    00670
    00671   virtual void OnPaint()
    00672   {
    00673     this->DrawWidgets();
    00674
    00675     if (this->IsShaded()) return; // Don't draw anything when the window is shaded.
    00676
    00677     NWidgetBase *nwi = this->GetWidget<NWidgetBase>(WID_IV_INFO);
    00678     uint expected = this->DrawInfo(nwi->pos_x, nwi->pos_x + nwi->current_x - 1, nwi->pos_y) - nwi->pos_y;
    00679     if (expected > nwi->current_y - 1) {
    00680       this->info_height = expected + 1;
    00681       this->ReInit();
    00682       return;
    00683     }
    00684   }
    00685
    00693   int DrawInfo(uint left, uint right, uint top)
    00694   {
    00695     Industry *i = Industry::Get(this->window_number);
    00696     const IndustrySpec *ind = GetIndustrySpec(i->type);
    00697     int y = top + WD_FRAMERECT_TOP;
    00698     bool first = true;
    00699     bool has_accept = false;
    00700     char cargo_suffix[3][512];
    00701
    00702     if (HasBit(ind->callback_mask, CBM_IND_PRODUCTION_CARGO_ARRIVAL) || HasBit(ind->callback_mask, CBM_IND_PRODUCTION_256_TICKS)) {
    00703       GetAllCargoSuffixes(0, CST_VIEW, i, i->type, ind, i->accepts_cargo, cargo_suffix);
    00704       for (byte j = 0; j < lengthof(i->accepts_cargo); j++) {
    00705         if (i->accepts_cargo[j] == CT_INVALID) continue;
    00706         has_accept = true;
    00707         if (first) {
    00708           DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_WAITING_FOR_PROCESSING);
    00709           y += FONT_HEIGHT_NORMAL;
    00710           first = false;
    00711         }
    00712         SetDParam(0, i->accepts_cargo[j]);
    00713         SetDParam(1, i->incoming_cargo_waiting[j]);
    00714         SetDParamStr(2, cargo_suffix[j]);
    00715         DrawString(left + WD_FRAMETEXT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_WAITING_STOCKPILE_CARGO);
    00716         y += FONT_HEIGHT_NORMAL;
    00717       }
    00718     } else {
    00719       GetAllCargoSuffixes(0, CST_VIEW, i, i->type, ind, i->accepts_cargo, cargo_suffix);
    00720       StringID str = STR_INDUSTRY_VIEW_REQUIRES_CARGO;
    00721       byte p = 0;
    00722       for (byte j = 0; j < lengthof(i->accepts_cargo); j++) {
    00723         if (i->accepts_cargo[j] == CT_INVALID) continue;
    00724         has_accept = true;
    00725         if (p > 0) str++;
    00726         SetDParam(p++, CargoSpec::Get(i->accepts_cargo[j])->name);
    00727         SetDParamStr(p++, cargo_suffix[j]);
    00728       }
    00729       if (has_accept) {
    00730         DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, str);
    00731         y += FONT_HEIGHT_NORMAL;
    00732       }
    00733     }
    00734
    00735     GetAllCargoSuffixes(3, CST_VIEW, i, i->type, ind, i->produced_cargo, cargo_suffix);
    00736     first = true;
    00737     for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
    00738       if (i->produced_cargo[j] == CT_INVALID) continue;
    00739       if (first) {
    00740         if (has_accept) y += WD_PAR_VSEP_WIDE;
    00741         DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_PRODUCTION_LAST_MONTH_TITLE);
    00742         y += FONT_HEIGHT_NORMAL;
    00743         if (this->editable == EA_RATE) this->production_offset_y = y;
    00744         first = false;
    00745       }
    00746
    00747       SetDParam(0, i->produced_cargo[j]);
    00748       SetDParam(1, i->last_month_production[j]);
    00749       SetDParamStr(2, cargo_suffix[j]);
    00750       SetDParam(3, ToPercent8(i->last_month_pct_transported[j]));
    00751       uint x = left + WD_FRAMETEXT_LEFT + (this->editable == EA_RATE ? 30 : 0);
    00752       DrawString(x, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_TRANSPORTED);
    00753       /* Let's put out those buttons.. */
    00754       if (this->editable == EA_RATE) {
    00755         DrawArrowButtons(left + WD_FRAMETEXT_LEFT, y, COLOUR_YELLOW, (this->clicked_line == IL_RATE1 + j) ? this->clicked_button : 0,
    00756             i->production_rate[j] > 0, i->production_rate[j] < 255);
    00757       }
    00758       y += FONT_HEIGHT_NORMAL;
    00759     }
    00760
    00761     /* Display production multiplier if editable */
    00762     if (this->editable == EA_MULTIPLIER) {
    00763       y += WD_PAR_VSEP_WIDE;
    00764       this->production_offset_y = y;
    00765       SetDParam(0, RoundDivSU(i->prod_level * 100, PRODLEVEL_DEFAULT));
    00766       uint x = left + WD_FRAMETEXT_LEFT + 30;
    00767       DrawString(x, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_PRODUCTION_LEVEL);
    00768       DrawArrowButtons(left + WD_FRAMETEXT_LEFT, y, COLOUR_YELLOW, (this->clicked_line == IL_MULTIPLIER) ? this->clicked_button : 0,
    00769           i->prod_level > PRODLEVEL_MINIMUM, i->prod_level < PRODLEVEL_MAXIMUM);
    00770       y += FONT_HEIGHT_NORMAL;
    00771     }
    00772
    00773     /* Get the extra message for the GUI */
    00774     if (HasBit(ind->callback_mask, CBM_IND_WINDOW_MORE_TEXT)) {
    00775       uint16 callback_res = GetIndustryCallback(CBID_INDUSTRY_WINDOW_MORE_TEXT, 0, 0, i, i->type, i->location.tile);
    00776       if (callback_res != CALLBACK_FAILED && callback_res != 0x400) {
    00777         if (callback_res > 0x400) {
    00778           ErrorUnknownCallbackResult(ind->grf_prop.grffile->grfid, CBID_INDUSTRY_WINDOW_MORE_TEXT, callback_res);
    00779         } else {
    00780           StringID message = GetGRFStringID(ind->grf_prop.grffile->grfid, 0xD000 + callback_res);
    00781           if (message != STR_NULL && message != STR_UNDEFINED) {
    00782             y += WD_PAR_VSEP_WIDE;
    00783
    00784             StartTextRefStackUsage(6);
    00785             /* Use all the available space left from where we stand up to the
    00786              * end of the window. We ALSO enlarge the window if needed, so we
    00787              * can 'go' wild with the bottom of the window. */
    00788             y = DrawStringMultiLine(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, UINT16_MAX, message, TC_BLACK);
    00789             StopTextRefStackUsage();
    00790           }
    00791         }
    00792       }
    00793     }
    00794     return y + WD_FRAMERECT_BOTTOM;
    00795   }
    00796
    00797   virtual void SetStringParameters(int widget) const
    00798   {
    00799     if (widget == WID_IV_CAPTION) SetDParam(0, this->window_number);
    00800   }
    00801
    00802   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00803   {
    00804     if (widget == WID_IV_INFO) size->height = this->info_height;
    00805   }
    00806
    00807   virtual void OnClick(Point pt, int widget, int click_count)
    00808   {
    00809     switch (widget) {
    00810       case WID_IV_INFO: {
    00811         Industry *i = Industry::Get(this->window_number);
    00812         InfoLine line = IL_NONE;
    00813
    00814         switch (this->editable) {
    00815           case EA_NONE: break;
    00816
    00817           case EA_MULTIPLIER:
    00818             if (IsInsideBS(pt.y, this->production_offset_y, FONT_HEIGHT_NORMAL)) line = IL_MULTIPLIER;
    00819             break;
    00820
    00821           case EA_RATE:
    00822             if (pt.y >= this->production_offset_y) {
    00823               int row = (pt.y - this->production_offset_y) / FONT_HEIGHT_NORMAL;
    00824               for (uint j = 0; j < lengthof(i->produced_cargo); j++) {
    00825                 if (i->produced_cargo[j] == CT_INVALID) continue;
    00826                 row--;
    00827                 if (row < 0) {
    00828                   line = (InfoLine)(IL_RATE1 + j);
    00829                   break;
    00830                 }
    00831               }
    00832             }
    00833             break;
    00834         }
    00835         if (line == IL_NONE) return;
    00836
    00837         NWidgetBase *nwi = this->GetWidget<NWidgetBase>(widget);
    00838         int left = nwi->pos_x + WD_FRAMETEXT_LEFT;
    00839         int right = nwi->pos_x + nwi->current_x - 1 - WD_FRAMERECT_RIGHT;
    00840         if (IsInsideMM(pt.x, left, left + 20)) {
    00841           /* Clicked buttons, decrease or increase production */
    00842           byte button = (pt.x < left + 10) ? 1 : 2;
    00843           switch (this->editable) {
    00844             case EA_MULTIPLIER:
    00845               if (button == 1) {
    00846                 if (i->prod_level <= PRODLEVEL_MINIMUM) return;
    00847                 i->prod_level = max<uint>(i->prod_level / 2, PRODLEVEL_MINIMUM);
    00848               } else {
    00849                 if (i->prod_level >= PRODLEVEL_MAXIMUM) return;
    00850                 i->prod_level = minu(i->prod_level * 2, PRODLEVEL_MAXIMUM);
    00851               }
    00852               break;
    00853
    00854             case EA_RATE:
    00855               if (button == 1) {
    00856                 if (i->production_rate[line - IL_RATE1] <= 0) return;
    00857                 i->production_rate[line - IL_RATE1] = max(i->production_rate[line - IL_RATE1] / 2, 0);
    00858               } else {
    00859                 if (i->production_rate[line - IL_RATE1] >= 255) return;
    00860                 /* a zero production industry is unlikely to give anything but zero, so push it a little bit */
    00861                 int new_prod = i->production_rate[line - IL_RATE1] == 0 ? 1 : i->production_rate[line - IL_RATE1] * 2;
    00862                 i->production_rate[line - IL_RATE1] = minu(new_prod, 255);
    00863               }
    00864               break;
    00865
    00866             default: NOT_REACHED();
    00867           }
    00868
    00869           UpdateIndustryProduction(i);
    00870           this->SetDirty();
    00871           this->SetTimeout();
    00872           this->clicked_line = line;
    00873           this->clicked_button = button;
    00874         } else if (IsInsideMM(pt.x, left + 30, right)) {
    00875           /* clicked the text */
    00876           this->editbox_line = line;
    00877           switch (this->editable) {
    00878             case EA_MULTIPLIER:
    00879               SetDParam(0, RoundDivSU(i->prod_level * 100, PRODLEVEL_DEFAULT));
    00880               ShowQueryString(STR_JUST_INT, STR_CONFIG_GAME_PRODUCTION_LEVEL, 10, this, CS_ALPHANUMERAL, QSF_NONE);
    00881               break;
    00882
    00883             case EA_RATE:
    00884               SetDParam(0, i->production_rate[line - IL_RATE1] * 8);
    00885               ShowQueryString(STR_JUST_INT, STR_CONFIG_GAME_PRODUCTION, 10, this, CS_ALPHANUMERAL, QSF_NONE);
    00886               break;
    00887
    00888             default: NOT_REACHED();
    00889           }
    00890         }
    00891         break;
    00892       }
    00893
    00894       case WID_IV_GOTO: {
    00895         Industry *i = Industry::Get(this->window_number);
    00896         if (_ctrl_pressed) {
    00897           ShowExtraViewPortWindow(i->location.GetCenterTile());
    00898         } else {
    00899           ScrollMainWindowToTile(i->location.GetCenterTile());
    00900         }
    00901         break;
    00902       }
    00903
    00904       case WID_IV_DISPLAY: {
    00905         Industry *i = Industry::Get(this->window_number);
    00906         ShowIndustryCargoesWindow(i->type);
    00907         break;
    00908       }
    00909     }
    00910   }
    00911
    00912   virtual void OnTimeout()
    00913   {
    00914     this->clicked_line = IL_NONE;
    00915     this->clicked_button = 0;
    00916     this->SetDirty();
    00917   }
    00918
    00919   virtual void OnResize()
    00920   {
    00921     if (this->viewport != NULL) {
    00922       NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(WID_IV_VIEWPORT);
    00923       nvp->UpdateViewportCoordinates(this);
    00924
    00925       ScrollWindowToTile(Industry::Get(this->window_number)->location.GetCenterTile(), this, true); // Re-center viewport.
    00926     }
    00927   }
    00928
    00929   virtual void OnQueryTextFinished(char *str)
    00930   {
    00931     if (StrEmpty(str)) return;
    00932
    00933     Industry *i = Industry::Get(this->window_number);
    00934     uint value = atoi(str);
    00935     switch (this->editbox_line) {
    00936       case IL_NONE: NOT_REACHED();
    00937
    00938       case IL_MULTIPLIER:
    00939         i->prod_level = ClampU(RoundDivSU(value * PRODLEVEL_DEFAULT, 100), PRODLEVEL_MINIMUM, PRODLEVEL_MAXIMUM);
    00940         break;
    00941
    00942       default:
    00943         i->production_rate[this->editbox_line - IL_RATE1] = ClampU(RoundDivSU(value, 8), 0, 255);
    00944         break;
    00945     }
    00946     UpdateIndustryProduction(i);
    00947     this->SetDirty();
    00948   }
    00949
    00955   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    00956   {
    00957     if (!gui_scope) return;
    00958     const Industry *i = Industry::Get(this->window_number);
    00959     if (IsProductionAlterable(i)) {
    00960       const IndustrySpec *ind = GetIndustrySpec(i->type);
    00961       this->editable = ind->UsesSmoothEconomy() ? EA_RATE : EA_MULTIPLIER;
    00962     } else {
    00963       this->editable = EA_NONE;
    00964     }
    00965   }
    00966
    00967   virtual bool IsNewGRFInspectable() const
    00968   {
    00969     return ::IsNewGRFInspectable(GSF_INDUSTRIES, this->window_number);
    00970   }
    00971
    00972   virtual void ShowNewGRFInspectWindow() const
    00973   {
    00974 		::ShowNewGRFInspectWindow(GSF_INDUSTRIES, this->window_number);
    00975   }
    00976 };
    00977
    00978 static void UpdateIndustryProduction(Industry *i)
    00979 {
    00980   const IndustrySpec *indspec = GetIndustrySpec(i->type);
    00981   if (!indspec->UsesSmoothEconomy()) i->RecomputeProductionMultipliers();
    00982
    00983   for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
    00984     if (i->produced_cargo[j] != CT_INVALID) {
    00985       i->last_month_production[j] = 8 * i->production_rate[j];
    00986     }
    00987   }
    00988 }
    00989
    00991 static const NWidgetPart _nested_industry_view_widgets[] = {
    00992   NWidget(NWID_HORIZONTAL),
    00993     NWidget(WWT_CLOSEBOX, COLOUR_CREAM),
    00994     NWidget(WWT_CAPTION, COLOUR_CREAM, WID_IV_CAPTION), SetDataTip(STR_INDUSTRY_VIEW_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00995     NWidget(WWT_DEBUGBOX, COLOUR_CREAM),
    00996     NWidget(WWT_SHADEBOX, COLOUR_CREAM),
    00997     NWidget(WWT_STICKYBOX, COLOUR_CREAM),
    00998   EndContainer(),
    00999   NWidget(WWT_PANEL, COLOUR_CREAM),
    01000     NWidget(WWT_INSET, COLOUR_CREAM), SetPadding(2, 2, 2, 2),
    01001       NWidget(NWID_VIEWPORT, INVALID_COLOUR, WID_IV_VIEWPORT), SetMinimalSize(254, 86), SetFill(1, 0), SetPadding(1, 1, 1, 1), SetResize(1, 1),
    01002     EndContainer(),
    01003   EndContainer(),
    01004   NWidget(WWT_PANEL, COLOUR_CREAM, WID_IV_INFO), SetMinimalSize(260, 2), SetResize(1, 0),
    01005   EndContainer(),
    01006   NWidget(NWID_HORIZONTAL),
    01007     NWidget(WWT_PUSHTXTBTN, COLOUR_CREAM, WID_IV_GOTO), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_BUTTON_LOCATION, STR_INDUSTRY_VIEW_LOCATION_TOOLTIP),
    01008     NWidget(WWT_PUSHTXTBTN, COLOUR_CREAM, WID_IV_DISPLAY), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_INDUSTRY_DISPLAY_CHAIN, STR_INDUSTRY_DISPLAY_CHAIN_TOOLTIP),
    01009     NWidget(WWT_RESIZEBOX, COLOUR_CREAM),
    01010   EndContainer(),
    01011 };
    01012
    01014 static const WindowDesc _industry_view_desc(
    01015   WDP_AUTO, 260, 120,
    01016   WC_INDUSTRY_VIEW, WC_NONE,
    01017   WDF_UNCLICK_BUTTONS,
    01018   _nested_industry_view_widgets, lengthof(_nested_industry_view_widgets)
    01019 );
    01020
    01021 void ShowIndustryViewWindow(int industry)
    01022 {
    01023   AllocateWindowDescFront<IndustryViewWindow>(&_industry_view_desc, industry);
    01024 }
    01025
    01027 static const NWidgetPart _nested_industry_directory_widgets[] = {
    01028   NWidget(NWID_HORIZONTAL),
    01029     NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
    01030     NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_INDUSTRY_DIRECTORY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    01031     NWidget(WWT_SHADEBOX, COLOUR_BROWN),
    01032     NWidget(WWT_STICKYBOX, COLOUR_BROWN),
    01033   EndContainer(),
    01034   NWidget(NWID_HORIZONTAL),
    01035     NWidget(NWID_VERTICAL),
    01036       NWidget(NWID_HORIZONTAL),
    01037         NWidget(WWT_TEXTBTN, COLOUR_BROWN, WID_ID_DROPDOWN_ORDER), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
    01038         NWidget(WWT_DROPDOWN, COLOUR_BROWN, WID_ID_DROPDOWN_CRITERIA), SetDataTip(STR_JUST_STRING, STR_TOOLTIP_SORT_CRITERIA),
    01039         NWidget(WWT_PANEL, COLOUR_BROWN), SetResize(1, 0), EndContainer(),
    01040       EndContainer(),
    01041       NWidget(WWT_PANEL, COLOUR_BROWN, WID_ID_INDUSTRY_LIST), SetDataTip(0x0, STR_INDUSTRY_DIRECTORY_LIST_CAPTION), SetResize(1, 1), SetScrollbar(WID_ID_SCROLLBAR), EndContainer(),
    01042     EndContainer(),
    01043     NWidget(NWID_VERTICAL),
    01044       NWidget(NWID_VSCROLLBAR, COLOUR_BROWN, WID_ID_SCROLLBAR),
    01045       NWidget(WWT_RESIZEBOX, COLOUR_BROWN),
    01046     EndContainer(),
    01047   EndContainer(),
    01048 };
    01049
    01050 typedef GUIList<const Industry*> GUIIndustryList;
    01051
    01052
    01056 class IndustryDirectoryWindow : public Window {
    01057 protected:
    01058   /* Runtime saved values */
    01059   static Listing last_sorting;
    01060   static const Industry *last_industry;
    01061
    01062   /* Constants for sorting stations */
    01063   static const StringID sorter_names[];
    01064   static GUIIndustryList::SortFunction * const sorter_funcs[];
    01065
    01066   GUIIndustryList industries;
    01067   Scrollbar *vscroll;
    01068
    01070   void BuildSortIndustriesList()
    01071   {
    01072     if (this->industries.NeedRebuild()) {
    01073       this->industries.Clear();
    01074
    01075       const Industry *i;
    01076       FOR_ALL_INDUSTRIES(i) {
    01077         *this->industries.Append() = i;
    01078       }
    01079
    01080       this->industries.Compact();
    01081       this->industries.RebuildDone();
    01082       this->vscroll->SetCount(this->industries.Length()); // Update scrollbar as well.
    01083     }
    01084
    01085     if (!this->industries.Sort()) return;
    01086     IndustryDirectoryWindow::last_industry = NULL; // Reset name sorter sort cache
    01087     this->SetWidgetDirty(WID_ID_INDUSTRY_LIST); // Set the modified widget dirty
    01088   }
    01089
    01097   static inline int GetCargoTransportedPercentsIfValid(const Industry *i, uint id)
    01098   {
    01099     assert(id < lengthof(i->produced_cargo));
    01100
    01101     if (i->produced_cargo[id] == CT_INVALID) return 101;
    01102     return ToPercent8(i->last_month_pct_transported[id]);
    01103   }
    01104
    01112   static int GetCargoTransportedSortValue(const Industry *i)
    01113   {
    01114     int p1 = GetCargoTransportedPercentsIfValid(i, 0);
    01115     int p2 = GetCargoTransportedPercentsIfValid(i, 1);
    01116
    01117     if (p1 > p2) Swap(p1, p2); // lower value has higher priority
    01118
    01119     return (p1 << 8) + p2;
    01120   }
    01121
    01123   static int CDECL IndustryNameSorter(const Industry * const *a, const Industry * const *b)
    01124   {
    01125     static char buf_cache[96];
    01126     static char buf[96];
    01127
    01128     SetDParam(0, (*a)->index);
    01129     GetString(buf, STR_INDUSTRY_NAME, lastof(buf));
    01130
    01131     if (*b != last_industry) {
    01132       last_industry = *b;
    01133       SetDParam(0, (*b)->index);
    01134       GetString(buf_cache, STR_INDUSTRY_NAME, lastof(buf_cache));
    01135     }
    01136
    01137     return strnatcmp(buf, buf_cache); // Sort by name (natural sorting).
    01138   }
    01139
    01141   static int CDECL IndustryTypeSorter(const Industry * const *a, const Industry * const *b)
    01142   {
    01143     int it_a = 0;
    01144     while (it_a != NUM_INDUSTRYTYPES && (*a)->type != _sorted_industry_types[it_a]) it_a++;
    01145     int it_b = 0;
    01146     while (it_b != NUM_INDUSTRYTYPES && (*b)->type != _sorted_industry_types[it_b]) it_b++;
    01147     int r = it_a - it_b;
    01148     return (r == 0) ? IndustryNameSorter(a, b) : r;
    01149   }
    01150
    01152   static int CDECL IndustryProductionSorter(const Industry * const *a, const Industry * const *b)
    01153   {
    01154     uint prod_a = 0, prod_b = 0;
    01155     for (uint i = 0; i < lengthof((*a)->produced_cargo); i++) {
    01156       if ((*a)->produced_cargo[i] != CT_INVALID) prod_a += (*a)->last_month_production[i];
    01157       if ((*b)->produced_cargo[i] != CT_INVALID) prod_b += (*b)->last_month_production[i];
    01158     }
    01159     int r = prod_a - prod_b;
    01160
    01161     return (r == 0) ? IndustryTypeSorter(a, b) : r;
    01162   }
    01163
    01165   static int CDECL IndustryTransportedCargoSorter(const Industry * const *a, const Industry * const *b)
    01166   {
    01167     int r = GetCargoTransportedSortValue(*a) - GetCargoTransportedSortValue(*b);
    01168     return (r == 0) ? IndustryNameSorter(a, b) : r;
    01169   }
    01170
    01176   StringID GetIndustryString(const Industry *i) const
    01177   {
    01178     const IndustrySpec *indsp = GetIndustrySpec(i->type);
    01179     byte p = 0;
    01180
    01181     /* Industry name */
    01182     SetDParam(p++, i->index);
    01183
    01184     static char cargo_suffix[lengthof(i->produced_cargo)][512];
    01185     GetAllCargoSuffixes(3, CST_DIR, i, i->type, indsp, i->produced_cargo, cargo_suffix);
    01186
    01187     /* Industry productions */
    01188     for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
    01189       if (i->produced_cargo[j] == CT_INVALID) continue;
    01190       SetDParam(p++, i->produced_cargo[j]);
    01191       SetDParam(p++, i->last_month_production[j]);
    01192       SetDParamStr(p++, cargo_suffix[j]);
    01193     }
    01194
    01195     /* Transported productions */
    01196     for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
    01197       if (i->produced_cargo[j] == CT_INVALID) continue;
    01198       SetDParam(p++, ToPercent8(i->last_month_pct_transported[j]));
    01199     }
    01200
    01201     /* Drawing the right string */
    01202     switch (p) {
    01203       case 1:  return STR_INDUSTRY_DIRECTORY_ITEM_NOPROD;
    01204       case 5:  return STR_INDUSTRY_DIRECTORY_ITEM;
    01205       default: return STR_INDUSTRY_DIRECTORY_ITEM_TWO;
    01206     }
    01207   }
    01208
    01209 public:
    01210   IndustryDirectoryWindow(const WindowDesc *desc, WindowNumber number) : Window()
    01211   {
    01212     this->CreateNestedTree(desc);
    01213     this->vscroll = this->GetScrollbar(WID_ID_SCROLLBAR);
    01214
    01215     this->industries.SetListing(this->last_sorting);
    01216     this->industries.SetSortFuncs(IndustryDirectoryWindow::sorter_funcs);
    01217     this->industries.ForceRebuild();
    01218     this->BuildSortIndustriesList();
    01219
    01220     this->FinishInitNested(desc, 0);
    01221   }
    01222
    01223   ~IndustryDirectoryWindow()
    01224   {
    01225     this->last_sorting = this->industries.GetListing();
    01226   }
    01227
    01228   virtual void SetStringParameters(int widget) const
    01229   {
    01230     if (widget == WID_ID_DROPDOWN_CRITERIA) SetDParam(0, IndustryDirectoryWindow::sorter_names[this->industries.SortType()]);
    01231   }
    01232
    01233   virtual void DrawWidget(const Rect &r, int widget) const
    01234   {
    01235     switch (widget) {
    01236       case WID_ID_DROPDOWN_ORDER:
    01237         this->DrawSortButtonState(widget, this->industries.IsDescSortOrder() ? SBS_DOWN : SBS_UP);
    01238         break;
    01239
    01240       case WID_ID_INDUSTRY_LIST: {
    01241         int n = 0;
    01242         int y = r.top + WD_FRAMERECT_TOP;
    01243         if (this->industries.Length() == 0) {
    01244           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_DIRECTORY_NONE);
    01245           break;
    01246         }
    01247         for (uint i = this->vscroll->GetPosition(); i < this->industries.Length(); i++) {
    01248           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, this->GetIndustryString(this->industries[i]));
    01249
    01250           y += this->resize.step_height;
    01251           if (++n == this->vscroll->GetCapacity()) break; // max number of industries in 1 window
    01252         }
    01253         break;
    01254       }
    01255     }
    01256   }
    01257
    01258   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    01259   {
    01260     switch (widget) {
    01261       case WID_ID_DROPDOWN_ORDER: {
    01262         Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
    01263         d.width += padding.width + WD_SORTBUTTON_ARROW_WIDTH * 2; // Doubled since the string is centred and it also looks better.
    01264         d.height += padding.height;
    01265         *size = maxdim(*size, d);
    01266         break;
    01267       }
    01268
    01269       case WID_ID_DROPDOWN_CRITERIA: {
    01270         Dimension d = {0, 0};
    01271         for (uint i = 0; IndustryDirectoryWindow::sorter_names[i] != INVALID_STRING_ID; i++) {
    01272           d = maxdim(d, GetStringBoundingBox(IndustryDirectoryWindow::sorter_names[i]));
    01273         }
    01274         d.width += padding.width;
    01275         d.height += padding.height;
    01276         *size = maxdim(*size, d);
    01277         break;
    01278       }
    01279
    01280       case WID_ID_INDUSTRY_LIST: {
    01281         Dimension d = GetStringBoundingBox(STR_INDUSTRY_DIRECTORY_NONE);
    01282         for (uint i = 0; i < this->industries.Length(); i++) {
    01283           d = maxdim(d, GetStringBoundingBox(this->GetIndustryString(this->industries[i])));
    01284         }
    01285         resize->height = d.height;
    01286         d.height *= 5;
    01287         d.width += padding.width + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
    01288         d.height += padding.height + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
    01289         *size = maxdim(*size, d);
    01290         break;
    01291       }
    01292     }
    01293   }
    01294
    01295
    01296   virtual void OnClick(Point pt, int widget, int click_count)
    01297   {
    01298     switch (widget) {
    01299       case WID_ID_DROPDOWN_ORDER:
    01300         this->industries.ToggleSortOrder();
    01301         this->SetDirty();
    01302         break;
    01303
    01304       case WID_ID_DROPDOWN_CRITERIA:
    01305         ShowDropDownMenu(this, IndustryDirectoryWindow::sorter_names, this->industries.SortType(), WID_ID_DROPDOWN_CRITERIA, 0, 0);
    01306         break;
    01307
    01308       case WID_ID_INDUSTRY_LIST: {
    01309         uint p = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_ID_INDUSTRY_LIST, WD_FRAMERECT_TOP);
    01310         if (p < this->industries.Length()) {
    01311           if (_ctrl_pressed) {
    01312             ShowExtraViewPortWindow(this->industries[p]->location.tile);
    01313           } else {
    01314             ScrollMainWindowToTile(this->industries[p]->location.tile);
    01315           }
    01316         }
    01317         break;
    01318       }
    01319     }
    01320   }
    01321
    01322   virtual void OnDropdownSelect(int widget, int index)
    01323   {
    01324     if (this->industries.SortType() != index) {
    01325       this->industries.SetSortType(index);
    01326       this->BuildSortIndustriesList();
    01327     }
    01328   }
    01329
    01330   virtual void OnResize()
    01331   {
    01332     this->vscroll->SetCapacityFromWidget(this, WID_ID_INDUSTRY_LIST);
    01333   }
    01334
    01335   virtual void OnPaint()
    01336   {
    01337     if (this->industries.NeedRebuild()) this->BuildSortIndustriesList();
    01338     this->DrawWidgets();
    01339   }
    01340
    01341   virtual void OnHundredthTick()
    01342   {
    01343     this->industries.ForceResort();
    01344     this->BuildSortIndustriesList();
    01345   }
    01346
    01352   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    01353   {
    01354     if (data == 0) {
    01355       /* This needs to be done in command-scope to enforce rebuilding before resorting invalid data */
    01356       this->industries.ForceRebuild();
    01357     } else {
    01358       this->industries.ForceResort();
    01359     }
    01360   }
    01361 };
    01362
    01363 Listing IndustryDirectoryWindow::last_sorting = {false, 0};
    01364 const Industry *IndustryDirectoryWindow::last_industry = NULL;
    01365
    01366 /* Available station sorting functions. */
    01367 GUIIndustryList::SortFunction * const IndustryDirectoryWindow::sorter_funcs[] = {
    01368   &IndustryNameSorter,
    01369   &IndustryTypeSorter,
    01370   &IndustryProductionSorter,
    01371   &IndustryTransportedCargoSorter
    01372 };
    01373
    01374 /* Names of the sorting functions */
    01375 const StringID IndustryDirectoryWindow::sorter_names[] = {
    01376   STR_SORT_BY_NAME,
    01377   STR_SORT_BY_TYPE,
    01378   STR_SORT_BY_PRODUCTION,
    01379   STR_SORT_BY_TRANSPORTED,
    01380   INVALID_STRING_ID
    01381 };
    01382
    01383
    01385 static const WindowDesc _industry_directory_desc(
    01386   WDP_AUTO, 428, 190,
    01387   WC_INDUSTRY_DIRECTORY, WC_NONE,
    01388   WDF_UNCLICK_BUTTONS,
    01389   _nested_industry_directory_widgets, lengthof(_nested_industry_directory_widgets)
    01390 );
    01391
    01392 void ShowIndustryDirectory()
    01393 {
    01394   AllocateWindowDescFront<IndustryDirectoryWindow>(&_industry_directory_desc, 0);
    01395 }
    01396
    01398 static const NWidgetPart _nested_industry_cargoes_widgets[] = {
    01399   NWidget(NWID_HORIZONTAL),
    01400     NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
    01401     NWidget(WWT_CAPTION, COLOUR_BROWN, WID_IC_CAPTION), SetDataTip(STR_INDUSTRY_CARGOES_INDUSTRY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    01402     NWidget(WWT_SHADEBOX, COLOUR_BROWN),
    01403     NWidget(WWT_STICKYBOX, COLOUR_BROWN),
    01404   EndContainer(),
    01405   NWidget(NWID_HORIZONTAL),
    01406     NWidget(NWID_VERTICAL),
    01407       NWidget(WWT_PANEL, COLOUR_BROWN, WID_IC_PANEL), SetResize(1, 10), SetMinimalSize(200, 90), SetScrollbar(WID_IC_SCROLLBAR), EndContainer(),
    01408       NWidget(NWID_HORIZONTAL),
    01409         NWidget(WWT_TEXTBTN, COLOUR_BROWN, WID_IC_NOTIFY),
    01410           SetDataTip(STR_INDUSTRY_CARGOES_NOTIFY_SMALLMAP, STR_INDUSTRY_CARGOES_NOTIFY_SMALLMAP_TOOLTIP),
    01411         NWidget(WWT_PANEL, COLOUR_BROWN), SetFill(1, 0), SetResize(1, 0), EndContainer(),
    01412       EndContainer(),
    01413     EndContainer(),
    01414     NWidget(NWID_VERTICAL),
    01415       NWidget(NWID_VSCROLLBAR, COLOUR_BROWN, WID_IC_SCROLLBAR),
    01416       NWidget(WWT_RESIZEBOX, COLOUR_BROWN),
    01417     EndContainer(),
    01418   EndContainer(),
    01419 };
    01420
    01422 static const WindowDesc _industry_cargoes_desc(
    01423   WDP_AUTO, 300, 210,
    01424   WC_INDUSTRY_CARGOES, WC_NONE,
    01425   0,
    01426   _nested_industry_cargoes_widgets, lengthof(_nested_industry_cargoes_widgets)
    01427 );
    01428
    01430 enum CargoesFieldType {
    01431   CFT_EMPTY,
    01432   CFT_SMALL_EMPTY,
    01433   CFT_INDUSTRY,
    01434   CFT_CARGO,
    01435   CFT_CARGO_LABEL,
    01436   CFT_HEADER,
    01437 };
    01438
    01439 static const uint MAX_CARGOES = 3;
    01440
    01442 struct CargoesField {
    01443   static const int VERT_INTER_INDUSTRY_SPACE;
    01444   static const int HOR_CARGO_BORDER_SPACE;
    01445   static const int CARGO_STUB_WIDTH;
    01446   static const int HOR_CARGO_WIDTH, HOR_CARGO_SPACE;
    01447   static const int CARGO_FIELD_WIDTH;
    01448   static const int VERT_CARGO_SPACE, VERT_CARGO_EDGE;
    01449   static const int BLOB_DISTANCE, BLOB_WIDTH, BLOB_HEIGHT;
    01450
    01451   static const int INDUSTRY_LINE_COLOUR;
    01452   static const int CARGO_LINE_COLOUR;
    01453
    01454   static int small_height, normal_height;
    01455   static int industry_width;
    01456
    01457   CargoesFieldType type;
    01458   union {
    01459     struct {
    01460       IndustryType ind_type;
    01461       CargoID other_produced[MAX_CARGOES];
    01462       CargoID other_accepted[MAX_CARGOES];
    01463     } industry;
    01464     struct {
    01465       CargoID vertical_cargoes[MAX_CARGOES];
    01466       byte num_cargoes;
    01467       CargoID supp_cargoes[MAX_CARGOES];
    01468       byte top_end;
    01469       CargoID cust_cargoes[MAX_CARGOES];
    01470       byte bottom_end;
    01471     } cargo;
    01472     struct {
    01473       CargoID cargoes[MAX_CARGOES];
    01474       bool left_align;
    01475     } cargo_label;
    01476     StringID header;
    01477   } u; // Data for each type.
    01478
    01483   void MakeEmpty(CargoesFieldType type)
    01484   {
    01485     this->type = type;
    01486   }
    01487
    01493   void MakeIndustry(IndustryType ind_type)
    01494   {
    01495     this->type = CFT_INDUSTRY;
    01496     this->u.industry.ind_type = ind_type;
    01497     MemSetT(this->u.industry.other_accepted, INVALID_CARGO, MAX_CARGOES);
    01498     MemSetT(this->u.industry.other_produced, INVALID_CARGO, MAX_CARGOES);
    01499   }
    01500
    01507   int ConnectCargo(CargoID cargo, bool producer)
    01508   {
    01509     assert(this->type == CFT_CARGO);
    01510     if (cargo == INVALID_CARGO) return -1;
    01511
    01512     /* Find the vertical cargo column carrying the cargo. */
    01513     int column = -1;
    01514     for (int i = 0; i < this->u.cargo.num_cargoes; i++) {
    01515       if (cargo == this->u.cargo.vertical_cargoes[i]) {
    01516         column = i;
    01517         break;
    01518       }
    01519     }
    01520     if (column < 0) return -1;
    01521
    01522     if (producer) {
    01523       assert(this->u.cargo.supp_cargoes[column] == INVALID_CARGO);
    01524       this->u.cargo.supp_cargoes[column]  = column;
    01525     } else {
    01526       assert(this->u.cargo.cust_cargoes[column] == INVALID_CARGO);
    01527       this->u.cargo.cust_cargoes[column] = column;
    01528     }
    01529     return column;
    01530   }
    01531
    01536   bool HasConnection()
    01537   {
    01538     assert(this->type == CFT_CARGO);
    01539
    01540     for (uint i = 0; i < MAX_CARGOES; i++) {
    01541       if (this->u.cargo.supp_cargoes[i] != INVALID_CARGO) return true;
    01542       if (this->u.cargo.cust_cargoes[i] != INVALID_CARGO) return true;
    01543     }
    01544     return false;
    01545   }
    01546
    01556   void MakeCargo(const CargoID *cargoes, uint length, int count = -1, bool top_end = false, bool bottom_end = false)
    01557   {
    01558     this->type = CFT_CARGO;
    01559     uint i;
    01560     uint num = 0;
    01561     for (i = 0; i < MAX_CARGOES && i < length; i++) {
    01562       if (cargoes[i] != INVALID_CARGO) {
    01563         this->u.cargo.vertical_cargoes[num] = cargoes[i];
    01564         num++;
    01565       }
    01566     }
    01567     this->u.cargo.num_cargoes = (count < 0) ? num : count;
    01568     for (; num < MAX_CARGOES; num++) this->u.cargo.vertical_cargoes[num] = INVALID_CARGO;
    01569     this->u.cargo.top_end = top_end;
    01570     this->u.cargo.bottom_end = bottom_end;
    01571     MemSetT(this->u.cargo.supp_cargoes, INVALID_CARGO, MAX_CARGOES);
    01572     MemSetT(this->u.cargo.cust_cargoes, INVALID_CARGO, MAX_CARGOES);
    01573   }
    01574
    01581   void MakeCargoLabel(const CargoID *cargoes, uint length, bool left_align)
    01582   {
    01583     this->type = CFT_CARGO_LABEL;
    01584     uint i;
    01585     for (i = 0; i < MAX_CARGOES && i < length; i++) this->u.cargo_label.cargoes[i] = cargoes[i];
    01586     for (; i < MAX_CARGOES; i++) this->u.cargo_label.cargoes[i] = INVALID_CARGO;
    01587     this->u.cargo_label.left_align = left_align;
    01588   }
    01589
    01594   void MakeHeader(StringID textid)
    01595   {
    01596     this->type = CFT_HEADER;
    01597     this->u.header = textid;
    01598   }
    01599
    01605   int GetCargoBase(int xpos) const
    01606   {
    01607     assert(this->type == CFT_CARGO);
    01608
    01609     switch (this->u.cargo.num_cargoes) {
    01610       case 0: return xpos + CARGO_FIELD_WIDTH / 2;
    01611       case 1: return xpos + CARGO_FIELD_WIDTH / 2 - HOR_CARGO_WIDTH / 2;
    01612       case 2: return xpos + CARGO_FIELD_WIDTH / 2 - HOR_CARGO_WIDTH - HOR_CARGO_SPACE / 2;
    01613       case 3: return xpos + CARGO_FIELD_WIDTH / 2 - HOR_CARGO_WIDTH - HOR_CARGO_SPACE - HOR_CARGO_WIDTH / 2;
    01614       default: NOT_REACHED();
    01615     }
    01616   }
    01617
    01623   void Draw(int xpos, int ypos) const
    01624   {
    01625     switch (this->type) {
    01626       case CFT_EMPTY:
    01627       case CFT_SMALL_EMPTY:
    01628         break;
    01629
    01630       case CFT_HEADER:
    01631         ypos += (small_height - FONT_HEIGHT_NORMAL) / 2;
    01632         DrawString(xpos, xpos + industry_width, ypos, this->u.header, TC_WHITE, SA_HOR_CENTER);
    01633         break;
    01634
    01635       case CFT_INDUSTRY: {
    01636         int ypos1 = ypos + VERT_INTER_INDUSTRY_SPACE / 2;
    01637         int ypos2 = ypos + normal_height - 1 - VERT_INTER_INDUSTRY_SPACE / 2;
    01638         int xpos2 = xpos + industry_width - 1;
    01639         GfxDrawLine(xpos,  ypos1, xpos2, ypos1, INDUSTRY_LINE_COLOUR);
    01640         GfxDrawLine(xpos,  ypos1, xpos,  ypos2, INDUSTRY_LINE_COLOUR);
    01641         GfxDrawLine(xpos,  ypos2, xpos2, ypos2, INDUSTRY_LINE_COLOUR);
    01642         GfxDrawLine(xpos2, ypos1, xpos2, ypos2, INDUSTRY_LINE_COLOUR);
    01643         ypos += (normal_height - FONT_HEIGHT_NORMAL) / 2;
    01644         if (this->u.industry.ind_type < NUM_INDUSTRYTYPES) {
    01645           const IndustrySpec *indsp = GetIndustrySpec(this->u.industry.ind_type);
    01646           SetDParam(0, indsp->name);
    01647           DrawString(xpos, xpos2, ypos, STR_JUST_STRING, TC_WHITE, SA_HOR_CENTER);
    01648
    01649           /* Draw the industry legend. */
    01650           int blob_left, blob_right;
    01651           if (_current_text_dir == TD_RTL) {
    01652             blob_right = xpos2 - BLOB_DISTANCE;
    01653             blob_left  = blob_right - BLOB_WIDTH;
    01654           } else {
    01655             blob_left  = xpos + BLOB_DISTANCE;
    01656             blob_right = blob_left + BLOB_WIDTH;
    01657           }
    01658           GfxFillRect(blob_left,     ypos2 - BLOB_DISTANCE - BLOB_HEIGHT,     blob_right,     ypos2 - BLOB_DISTANCE,     PC_BLACK); // Border
    01659           GfxFillRect(blob_left + 1, ypos2 - BLOB_DISTANCE - BLOB_HEIGHT + 1, blob_right - 1, ypos2 - BLOB_DISTANCE - 1, indsp->map_colour);
    01660         } else {
    01661           DrawString(xpos, xpos2, ypos, STR_INDUSTRY_CARGOES_HOUSES, TC_FROMSTRING, SA_HOR_CENTER);
    01662         }
    01663
    01664         /* Draw the other_produced/other_accepted cargoes. */
    01665         const CargoID *other_right, *other_left;
    01666         if (_current_text_dir == TD_RTL) {
    01667           other_right = this->u.industry.other_accepted;
    01668           other_left  = this->u.industry.other_produced;
    01669         } else {
    01670           other_right = this->u.industry.other_produced;
    01671           other_left  = this->u.industry.other_accepted;
    01672         }
    01673         ypos1 += VERT_CARGO_EDGE;
    01674         for (uint i = 0; i < MAX_CARGOES; i++) {
    01675           if (other_right[i] != INVALID_CARGO) {
    01676             const CargoSpec *csp = CargoSpec::Get(other_right[i]);
    01677             int xp = xpos + industry_width + CARGO_STUB_WIDTH;
    01678             DrawHorConnection(xpos + industry_width, xp - 1, ypos1, csp);
    01679             GfxDrawLine(xp, ypos1, xp, ypos1 + FONT_HEIGHT_NORMAL - 1, CARGO_LINE_COLOUR);
    01680           }
    01681           if (other_left[i] != INVALID_CARGO) {
    01682             const CargoSpec *csp = CargoSpec::Get(other_left[i]);
    01683             int xp = xpos - CARGO_STUB_WIDTH;
    01684             DrawHorConnection(xp + 1, xpos - 1, ypos1, csp);
    01685             GfxDrawLine(xp, ypos1, xp, ypos1 + FONT_HEIGHT_NORMAL - 1, CARGO_LINE_COLOUR);
    01686           }
    01687           ypos1 += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
    01688         }
    01689         break;
    01690       }
    01691
    01692       case CFT_CARGO: {
    01693         int cargo_base = this->GetCargoBase(xpos);
    01694         int top = ypos + (this->u.cargo.top_end ? VERT_INTER_INDUSTRY_SPACE / 2 + 1 : 0);
    01695         int bot = ypos - (this->u.cargo.bottom_end ? VERT_INTER_INDUSTRY_SPACE / 2 + 1 : 0) + normal_height - 1;
    01696         int colpos = cargo_base;
    01697         for (int i = 0; i < this->u.cargo.num_cargoes; i++) {
    01698           if (this->u.cargo.top_end) GfxDrawLine(colpos, top - 1, colpos + HOR_CARGO_WIDTH - 1, top - 1, CARGO_LINE_COLOUR);
    01699           if (this->u.cargo.bottom_end) GfxDrawLine(colpos, bot + 1, colpos + HOR_CARGO_WIDTH - 1, bot + 1, CARGO_LINE_COLOUR);
    01700           GfxDrawLine(colpos, top, colpos, bot, CARGO_LINE_COLOUR);
    01701           colpos++;
    01702           const CargoSpec *csp = CargoSpec::Get(this->u.cargo.vertical_cargoes[i]);
    01703           GfxFillRect(colpos, top, colpos + HOR_CARGO_WIDTH - 2, bot, csp->legend_colour, FILLRECT_OPAQUE);
    01704           colpos += HOR_CARGO_WIDTH - 2;
    01705           GfxDrawLine(colpos, top, colpos, bot, CARGO_LINE_COLOUR);
    01706           colpos += 1 + HOR_CARGO_SPACE;
    01707         }
    01708
    01709         const CargoID *hor_left, *hor_right;
    01710         if (_current_text_dir == TD_RTL) {
    01711           hor_left  = this->u.cargo.cust_cargoes;
    01712           hor_right = this->u.cargo.supp_cargoes;
    01713         } else {
    01714           hor_left  = this->u.cargo.supp_cargoes;
    01715           hor_right = this->u.cargo.cust_cargoes;
    01716         }
    01717         ypos += VERT_CARGO_EDGE + VERT_INTER_INDUSTRY_SPACE / 2;
    01718         for (uint i = 0; i < MAX_CARGOES; i++) {
    01719           if (hor_left[i] != INVALID_CARGO) {
    01720             int col = hor_left[i];
    01721             int dx = 0;
    01722             const CargoSpec *csp = CargoSpec::Get(this->u.cargo.vertical_cargoes[col]);
    01723             for (; col > 0; col--) {
    01724               int lf = cargo_base + col * HOR_CARGO_WIDTH + (col - 1) * HOR_CARGO_SPACE;
    01725               DrawHorConnection(lf, lf + HOR_CARGO_SPACE - dx, ypos, csp);
    01726               dx = 1;
    01727             }
    01728             DrawHorConnection(xpos, cargo_base - dx, ypos, csp);
    01729           }
    01730           if (hor_right[i] != INVALID_CARGO) {
    01731             int col = hor_right[i];
    01732             int dx = 0;
    01733             const CargoSpec *csp = CargoSpec::Get(this->u.cargo.vertical_cargoes[col]);
    01734             for (; col < this->u.cargo.num_cargoes - 1; col++) {
    01735               int lf = cargo_base + (col + 1) * HOR_CARGO_WIDTH + col * HOR_CARGO_SPACE;
    01736               DrawHorConnection(lf + dx - 1, lf + HOR_CARGO_SPACE - 1, ypos, csp);
    01737               dx = 1;
    01738             }
    01739             DrawHorConnection(cargo_base + col * HOR_CARGO_SPACE + (col + 1) * HOR_CARGO_WIDTH - 1 + dx, xpos + CARGO_FIELD_WIDTH - 1, ypos, csp);
    01740           }
    01741           ypos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
    01742         }
    01743         break;
    01744       }
    01745
    01746       case CFT_CARGO_LABEL:
    01747         ypos += VERT_CARGO_EDGE + VERT_INTER_INDUSTRY_SPACE / 2;
    01748         for (uint i = 0; i < MAX_CARGOES; i++) {
    01749           if (this->u.cargo_label.cargoes[i] != INVALID_CARGO) {
    01750             const CargoSpec *csp = CargoSpec::Get(this->u.cargo_label.cargoes[i]);
    01751             DrawString(xpos + WD_FRAMERECT_LEFT, xpos + industry_width - 1 - WD_FRAMERECT_RIGHT, ypos, csp->name, TC_WHITE,
    01752                 (this->u.cargo_label.left_align) ? SA_LEFT : SA_RIGHT);
    01753           }
    01754           ypos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
    01755         }
    01756         break;
    01757
    01758       default:
    01759         NOT_REACHED();
    01760     }
    01761   }
    01762
    01770   CargoID CargoClickedAt(const CargoesField *left, const CargoesField *right, Point pt) const
    01771   {
    01772     assert(this->type == CFT_CARGO);
    01773
    01774     /* Vertical matching. */
    01775     int cpos = this->GetCargoBase(0);
    01776     uint col;
    01777     for (col = 0; col < this->u.cargo.num_cargoes; col++) {
    01778       if (pt.x < cpos) break;
    01779       if (pt.x < cpos + CargoesField::HOR_CARGO_WIDTH) return this->u.cargo.vertical_cargoes[col];
    01780       cpos += CargoesField::HOR_CARGO_WIDTH + CargoesField::HOR_CARGO_SPACE;
    01781     }
    01782     /* col = 0 -> left of first col, 1 -> left of 2nd col, ... this->u.cargo.num_cargoes right of last-col. */
    01783
    01784     int vpos = VERT_INTER_INDUSTRY_SPACE / 2 + VERT_CARGO_EDGE;
    01785     uint row;
    01786     for (row = 0; row < MAX_CARGOES; row++) {
    01787       if (pt.y < vpos) return INVALID_CARGO;
    01788       if (pt.y < vpos + FONT_HEIGHT_NORMAL) break;
    01789       vpos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
    01790     }
    01791     if (row == MAX_CARGOES) return INVALID_CARGO;
    01792
    01793     /* row = 0 -> at first horizontal row, row = 1 -> second horizontal row, 2 = 3rd horizontal row. */
    01794     if (col == 0) {
    01795       if (this->u.cargo.supp_cargoes[row] != INVALID_CARGO) return this->u.cargo.vertical_cargoes[this->u.cargo.supp_cargoes[row]];
    01796       if (left != NULL) {
    01797         if (left->type == CFT_INDUSTRY) return left->u.industry.other_produced[row];
    01798         if (left->type == CFT_CARGO_LABEL && !left->u.cargo_label.left_align) return left->u.cargo_label.cargoes[row];
    01799       }
    01800       return INVALID_CARGO;
    01801     }
    01802     if (col == this->u.cargo.num_cargoes) {
    01803       if (this->u.cargo.cust_cargoes[row] != INVALID_CARGO) return this->u.cargo.vertical_cargoes[this->u.cargo.cust_cargoes[row]];
    01804       if (right != NULL) {
    01805         if (right->type == CFT_INDUSTRY) return right->u.industry.other_accepted[row];
    01806         if (right->type == CFT_CARGO_LABEL && right->u.cargo_label.left_align) return right->u.cargo_label.cargoes[row];
    01807       }
    01808       return INVALID_CARGO;
    01809     }
    01810     if (row >= col) {
    01811       /* Clicked somewhere in-between vertical cargo connection.
    01812        * Since the horizontal connection is made in the same order as the vertical list, the above condition
    01813        * ensures we are left-below the main diagonal, thus at the supplying side.
    01814        */
    01815       return (this->u.cargo.supp_cargoes[row] != INVALID_CARGO) ? this->u.cargo.vertical_cargoes[this->u.cargo.supp_cargoes[row]] : INVALID_CARGO;
    01816     } else {
    01817       /* Clicked at a customer connection. */
    01818       return (this->u.cargo.cust_cargoes[row] != INVALID_CARGO) ? this->u.cargo.vertical_cargoes[this->u.cargo.cust_cargoes[row]] : INVALID_CARGO;
    01819     }
    01820   }
    01821
    01827   CargoID CargoLabelClickedAt(Point pt) const
    01828   {
    01829     assert(this->type == CFT_CARGO_LABEL);
    01830
    01831     int vpos = VERT_INTER_INDUSTRY_SPACE / 2 + VERT_CARGO_EDGE;
    01832     uint row;
    01833     for (row = 0; row < MAX_CARGOES; row++) {
    01834       if (pt.y < vpos) return INVALID_CARGO;
    01835       if (pt.y < vpos + FONT_HEIGHT_NORMAL) break;
    01836       vpos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
    01837     }
    01838     if (row == MAX_CARGOES) return INVALID_CARGO;
    01839     return this->u.cargo_label.cargoes[row];
    01840   }
    01841
    01842 private:
    01850   static void DrawHorConnection(int left, int right, int top, const CargoSpec *csp)
    01851   {
    01852     GfxDrawLine(left, top, right, top, CARGO_LINE_COLOUR);
    01853     GfxFillRect(left, top + 1, right, top + FONT_HEIGHT_NORMAL - 2, csp->legend_colour, FILLRECT_OPAQUE);
    01854     GfxDrawLine(left, top + FONT_HEIGHT_NORMAL - 1, right, top + FONT_HEIGHT_NORMAL - 1, CARGO_LINE_COLOUR);
    01855   }
    01856 };
    01857
    01858 assert_compile(MAX_CARGOES >= cpp_lengthof(IndustrySpec, produced_cargo));
    01859 assert_compile(MAX_CARGOES >= cpp_lengthof(IndustrySpec, accepts_cargo));
    01860
    01861 int CargoesField::small_height;
    01862 int CargoesField::normal_height;
    01863 int CargoesField::industry_width;
    01864 const int CargoesField::VERT_INTER_INDUSTRY_SPACE = 6;
    01865
    01866 const int CargoesField::HOR_CARGO_BORDER_SPACE = 15;
    01867 const int CargoesField::CARGO_STUB_WIDTH       = 10;
    01868 const int CargoesField::HOR_CARGO_WIDTH        = 15;
    01869 const int CargoesField::HOR_CARGO_SPACE        =  5;
    01870 const int CargoesField::VERT_CARGO_EDGE        =  4;
    01871 const int CargoesField::VERT_CARGO_SPACE       =  4;
    01872
    01873 const int CargoesField::BLOB_DISTANCE =  5;
    01874 const int CargoesField::BLOB_WIDTH    = 12;
    01875 const int CargoesField::BLOB_HEIGHT   =  9;
    01876
    01878 const int CargoesField::CARGO_FIELD_WIDTH = HOR_CARGO_BORDER_SPACE * 2 + HOR_CARGO_WIDTH * MAX_CARGOES + HOR_CARGO_SPACE * (MAX_CARGOES - 1);
    01879
    01880 const int CargoesField::INDUSTRY_LINE_COLOUR = PC_YELLOW;
    01881 const int CargoesField::CARGO_LINE_COLOUR    = PC_YELLOW;
    01882
    01884 struct CargoesRow {
    01885   CargoesField columns[5];
    01886
    01891   void ConnectIndustryProduced(int column)
    01892   {
    01893     CargoesField *ind_fld   = this->columns + column;
    01894     CargoesField *cargo_fld = this->columns + column + 1;
    01895     assert(ind_fld->type == CFT_INDUSTRY && cargo_fld->type == CFT_CARGO);
    01896
    01897     MemSetT(ind_fld->u.industry.other_produced, INVALID_CARGO, MAX_CARGOES);
    01898
    01899     if (ind_fld->u.industry.ind_type < NUM_INDUSTRYTYPES) {
    01900       CargoID others[MAX_CARGOES]; // Produced cargoes not carried in the cargo column.
    01901       int other_count = 0;
    01902
    01903       const IndustrySpec *indsp = GetIndustrySpec(ind_fld->u.industry.ind_type);
    01904       for (uint i = 0; i < lengthof(indsp->produced_cargo); i++) {
    01905         int col = cargo_fld->ConnectCargo(indsp->produced_cargo[i], true);
    01906         if (col < 0) others[other_count++] = indsp->produced_cargo[i];
    01907       }
    01908
    01909       /* Allocate other cargoes in the empty holes of the horizontal cargo connections. */
    01910       for (uint i = 0; i < MAX_CARGOES && other_count > 0; i++) {
    01911         if (cargo_fld->u.cargo.supp_cargoes[i] == INVALID_CARGO) ind_fld->u.industry.other_produced[i] = others[--other_count];
    01912       }
    01913     } else {
    01914       /* Houses only display what is demanded. */
    01915       for (uint i = 0; i < cargo_fld->u.cargo.num_cargoes; i++) {
    01916         CargoID cid = cargo_fld->u.cargo.vertical_cargoes[i];
    01917         if (cid == CT_PASSENGERS || cid == CT_MAIL) cargo_fld->ConnectCargo(cid, true);
    01918       }
    01919     }
    01920   }
    01921
    01927   void MakeCargoLabel(int column, bool accepting)
    01928   {
    01929     CargoID cargoes[MAX_CARGOES];
    01930     MemSetT(cargoes, INVALID_CARGO, lengthof(cargoes));
    01931
    01932     CargoesField *label_fld = this->columns + column;
    01933     CargoesField *cargo_fld = this->columns + (accepting ? column - 1 : column + 1);
    01934
    01935     assert(cargo_fld->type == CFT_CARGO && label_fld->type == CFT_EMPTY);
    01936     for (uint i = 0; i < cargo_fld->u.cargo.num_cargoes; i++) {
    01937       int col = cargo_fld->ConnectCargo(cargo_fld->u.cargo.vertical_cargoes[i], !accepting);
    01938       cargoes[col] = cargo_fld->u.cargo.vertical_cargoes[i];
    01939     }
    01940     label_fld->MakeCargoLabel(cargoes, lengthof(cargoes), accepting);
    01941   }
    01942
    01943
    01948   void ConnectIndustryAccepted(int column)
    01949   {
    01950     CargoesField *ind_fld   = this->columns + column;
    01951     CargoesField *cargo_fld = this->columns + column - 1;
    01952     assert(ind_fld->type == CFT_INDUSTRY && cargo_fld->type == CFT_CARGO);
    01953
    01954     MemSetT(ind_fld->u.industry.other_accepted, INVALID_CARGO, MAX_CARGOES);
    01955
    01956     if (ind_fld->u.industry.ind_type < NUM_INDUSTRYTYPES) {
    01957       CargoID others[MAX_CARGOES]; // Accepted cargoes not carried in the cargo column.
    01958       int other_count = 0;
    01959
    01960       const IndustrySpec *indsp = GetIndustrySpec(ind_fld->u.industry.ind_type);
    01961       for (uint i = 0; i < lengthof(indsp->accepts_cargo); i++) {
    01962         int col = cargo_fld->ConnectCargo(indsp->accepts_cargo[i], false);
    01963         if (col < 0) others[other_count++] = indsp->accepts_cargo[i];
    01964       }
    01965
    01966       /* Allocate other cargoes in the empty holes of the horizontal cargo connections. */
    01967       for (uint i = 0; i < MAX_CARGOES && other_count > 0; i++) {
    01968         if (cargo_fld->u.cargo.cust_cargoes[i] == INVALID_CARGO) ind_fld->u.industry.other_accepted[i] = others[--other_count];
    01969       }
    01970     } else {
    01971       /* Houses only display what is demanded. */
    01972       for (uint i = 0; i < cargo_fld->u.cargo.num_cargoes; i++) {
    01973         for (uint h = 0; h < HOUSE_MAX; h++) {
    01974           HouseSpec *hs = HouseSpec::Get(h);
    01975           if (!hs->enabled) continue;
    01976
    01977           for (uint j = 0; j < lengthof(hs->accepts_cargo); j++) {
    01978             if (cargo_fld->u.cargo.vertical_cargoes[i] == hs->accepts_cargo[j]) {
    01979               cargo_fld->ConnectCargo(cargo_fld->u.cargo.vertical_cargoes[i], false);
    01980               goto next_cargo;
    01981             }
    01982           }
    01983         }
    01984 next_cargo: ;
    01985       }
    01986     }
    01987   }
    01988 };
    01989
    01990
    02018 struct IndustryCargoesWindow : public Window {
    02019   static const int HOR_TEXT_PADDING, VERT_TEXT_PADDING;
    02020
    02021   typedef SmallVector<CargoesRow, 4> Fields;
    02022
    02023   Fields fields;
    02024   uint ind_cargo;
    02025
    02026   Scrollbar *vscroll;
    02027
    02028   IndustryCargoesWindow(int id) : Window()
    02029   {
    02030     this->OnInit();
    02031     this->CreateNestedTree(&_industry_cargoes_desc);
    02032     this->vscroll = this->GetScrollbar(WID_IC_SCROLLBAR);
    02033     this->FinishInitNested(&_industry_cargoes_desc, 0);
    02034     this->OnInvalidateData(id);
    02035   }
    02036
    02037   virtual void OnInit()
    02038   {
    02039     /* Initialize static CargoesField size variables. */
    02040     Dimension d = GetStringBoundingBox(STR_INDUSTRY_CARGOES_PRODUCERS);
    02041     d = maxdim(d, GetStringBoundingBox(STR_INDUSTRY_CARGOES_CUSTOMERS));
    02042     d.width  += WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT;
    02043     d.height += WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM;
    02044     CargoesField::small_height = d.height;
    02045
    02046     /* Decide about the size of the box holding the text of an industry type. */
    02047     d.height = 0;
    02048     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
    02049       const IndustrySpec *indsp = GetIndustrySpec(it);
    02050       if (!indsp->enabled) continue;
    02051       SetDParam(0, indsp->name);
    02052       d = maxdim(d, GetStringBoundingBox(STR_JUST_STRING));
    02053     }
    02054     /* Box must also be wide enough to hold any cargo label. */
    02055     for (uint i = 0; i < NUM_CARGO; i++) {
    02056       const CargoSpec *csp = CargoSpec::Get(i);
    02057       if (!csp->IsValid()) continue;
    02058       d = maxdim(d, GetStringBoundingBox(csp->name));
    02059     }
    02060     d.width  += 2 * HOR_TEXT_PADDING;
    02061     /* Ensure the height is enough for the industry type text, for the horizontal connections, and for the cargo labels. */
    02062     uint min_ind_height = CargoesField::VERT_CARGO_EDGE * 2 + MAX_CARGOES * FONT_HEIGHT_NORMAL + (MAX_CARGOES - 1) *  CargoesField::VERT_CARGO_SPACE;
    02063     d.height = max(d.height + 2 * VERT_TEXT_PADDING, min_ind_height);
    02064
    02065     CargoesField::industry_width = d.width;
    02066     CargoesField::normal_height = d.height + CargoesField::VERT_INTER_INDUSTRY_SPACE;
    02067   }
    02068
    02069   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    02070   {
    02071     if (widget != WID_IC_PANEL) return;
    02072
    02073     size->width = WD_FRAMETEXT_LEFT + CargoesField::industry_width * 3 + CargoesField::CARGO_FIELD_WIDTH * 2 + WD_FRAMETEXT_RIGHT;
    02074   }
    02075
    02076
    02077   CargoesFieldType type;
    02078   virtual void SetStringParameters  (int widget) const
    02079   {
    02080     if (widget != WID_IC_CAPTION) return;
    02081
    02082     if (this->ind_cargo < NUM_INDUSTRYTYPES) {
    02083       const IndustrySpec *indsp = GetIndustrySpec(this->ind_cargo);
    02084       SetDParam(0, indsp->name);
    02085     } else {
    02086       const CargoSpec *csp = CargoSpec::Get(this->ind_cargo - NUM_INDUSTRYTYPES);
    02087       SetDParam(0, csp->name);
    02088     }
    02089   }
    02090
    02099   static bool HasCommonValidCargo(const CargoID *cargoes1, uint length1, const CargoID *cargoes2, uint length2)
    02100   {
    02101     while (length1 > 0) {
    02102       if (*cargoes1 != INVALID_CARGO) {
    02103         for (uint i = 0; i < length2; i++) if (*cargoes1 == cargoes2[i]) return true;
    02104       }
    02105       cargoes1++;
    02106       length1--;
    02107     }
    02108     return false;
    02109   }
    02110
    02117   static bool HousesCanSupply(const CargoID *cargoes, uint length)
    02118   {
    02119     for (uint i = 0; i < length; i++) {
    02120       if (cargoes[i] == INVALID_CARGO) continue;
    02121       if (cargoes[i] == CT_PASSENGERS || cargoes[i] == CT_MAIL) return true;
    02122     }
    02123     return false;
    02124   }
    02125
    02132   static bool HousesCanAccept(const CargoID *cargoes, uint length)
    02133   {
    02134     HouseZones climate_mask;
    02135     switch (_settings_game.game_creation.landscape) {
    02136       case LT_TEMPERATE: climate_mask = HZ_TEMP; break;
    02137       case LT_ARCTIC:    climate_mask = HZ_SUBARTC_ABOVE | HZ_SUBARTC_BELOW; break;
    02138       case LT_TROPIC:    climate_mask = HZ_SUBTROPIC; break;
    02139       case LT_TOYLAND:   climate_mask = HZ_TOYLND; break;
    02140       default: NOT_REACHED();
    02141     }
    02142     for (uint i = 0; i < length; i++) {
    02143       if (cargoes[i] == INVALID_CARGO) continue;
    02144
    02145       for (uint h = 0; h < HOUSE_MAX; h++) {
    02146         HouseSpec *hs = HouseSpec::Get(h);
    02147         if (!hs->enabled || !(hs->building_availability & climate_mask)) continue;
    02148
    02149         for (uint j = 0; j < lengthof(hs->accepts_cargo); j++) {
    02150           if (cargoes[i] == hs->accepts_cargo[j]) return true;
    02151         }
    02152       }
    02153     }
    02154     return false;
    02155   }
    02156
    02163   static int CountMatchingAcceptingIndustries(const CargoID *cargoes, uint length)
    02164   {
    02165     int count = 0;
    02166     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
    02167       const IndustrySpec *indsp = GetIndustrySpec(it);
    02168       if (!indsp->enabled) continue;
    02169
    02170       if (HasCommonValidCargo(cargoes, length, indsp->accepts_cargo, lengthof(indsp->accepts_cargo))) count++;
    02171     }
    02172     return count;
    02173   }
    02174
    02181   static int CountMatchingProducingIndustries(const CargoID *cargoes, uint length)
    02182   {
    02183     int count = 0;
    02184     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
    02185       const IndustrySpec *indsp = GetIndustrySpec(it);
    02186       if (!indsp->enabled) continue;
    02187
    02188       if (HasCommonValidCargo(cargoes, length, indsp->produced_cargo, lengthof(indsp->produced_cargo))) count++;
    02189     }
    02190     return count;
    02191   }
    02192
    02199   void ShortenCargoColumn(int column, int top, int bottom)
    02200   {
    02201     while (top < bottom && !this->fields[top].columns[column].HasConnection()) {
    02202       this->fields[top].columns[column].MakeEmpty(CFT_EMPTY);
    02203       top++;
    02204     }
    02205     this->fields[top].columns[column].u.cargo.top_end = true;
    02206
    02207     while (bottom > top && !this->fields[bottom].columns[column].HasConnection()) {
    02208       this->fields[bottom].columns[column].MakeEmpty(CFT_EMPTY);
    02209       bottom--;
    02210     }
    02211     this->fields[bottom].columns[column].u.cargo.bottom_end = true;
    02212   }
    02213
    02220   void PlaceIndustry(int row, int col, IndustryType it)
    02221   {
    02222     assert(this->fields[row].columns[col].type == CFT_EMPTY);
    02223     this->fields[row].columns[col].MakeIndustry(it);
    02224     if (col == 0) {
    02225       this->fields[row].ConnectIndustryProduced(col);
    02226     } else {
    02227       this->fields[row].ConnectIndustryAccepted(col);
    02228     }
    02229   }
    02230
    02234   void NotifySmallmap()
    02235   {
    02236     if (!this->IsWidgetLowered(WID_IC_NOTIFY)) return;
    02237
    02238     /* Only notify the smallmap window if it exists. In particular, do not
    02239      * bring it to the front to prevent messing up any nice layout of the user. */
    02240     InvalidateWindowClassesData(WC_SMALLMAP, 0);
    02241   }
    02242
    02247   void ComputeIndustryDisplay(IndustryType it)
    02248   {
    02249     this->GetWidget<NWidgetCore>(WID_IC_CAPTION)->widget_data = STR_INDUSTRY_CARGOES_INDUSTRY_CAPTION;
    02250     this->ind_cargo = it;
    02251     _displayed_industries = 1ULL << it;
    02252
    02253     this->fields.Clear();
    02254     CargoesRow *row = this->fields.Append();
    02255     row->columns[0].MakeHeader(STR_INDUSTRY_CARGOES_PRODUCERS);
    02256     row->columns[1].MakeEmpty(CFT_SMALL_EMPTY);
    02257     row->columns[2].MakeEmpty(CFT_SMALL_EMPTY);
    02258     row->columns[3].MakeEmpty(CFT_SMALL_EMPTY);
    02259     row->columns[4].MakeHeader(STR_INDUSTRY_CARGOES_CUSTOMERS);
    02260
    02261     const IndustrySpec *central_sp = GetIndustrySpec(it);
    02262     bool houses_supply = HousesCanSupply(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo));
    02263     bool houses_accept = HousesCanAccept(central_sp->produced_cargo, lengthof(central_sp->produced_cargo));
    02264     /* Make a field consisting of two cargo columns. */
    02265     int num_supp = CountMatchingProducingIndustries(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo)) + houses_supply;
    02266     int num_cust = CountMatchingAcceptingIndustries(central_sp->produced_cargo, lengthof(central_sp->produced_cargo)) + houses_accept;
    02267     int num_indrows = max(3, max(num_supp, num_cust)); // One is needed for the 'it' industry, and 2 for the cargo labels.
    02268     for (int i = 0; i < num_indrows; i++) {
    02269       CargoesRow *row = this->fields.Append();
    02270       row->columns[0].MakeEmpty(CFT_EMPTY);
    02271       row->columns[1].MakeCargo(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo));
    02272       row->columns[2].MakeEmpty(CFT_EMPTY);
    02273       row->columns[3].MakeCargo(central_sp->produced_cargo, lengthof(central_sp->produced_cargo));
    02274       row->columns[4].MakeEmpty(CFT_EMPTY);
    02275     }
    02276     /* Add central industry. */
    02277     int central_row = 1 + num_indrows / 2;
    02278     this->fields[central_row].columns[2].MakeIndustry(it);
    02279     this->fields[central_row].ConnectIndustryProduced(2);
    02280     this->fields[central_row].ConnectIndustryAccepted(2);
    02281
    02282     /* Add cargo labels. */
    02283     this->fields[central_row - 1].MakeCargoLabel(2, true);
    02284     this->fields[central_row + 1].MakeCargoLabel(2, false);
    02285
    02286     /* Add suppliers and customers of the 'it' industry. */
    02287     int supp_count = 0;
    02288     int cust_count = 0;
    02289     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
    02290       const IndustrySpec *indsp = GetIndustrySpec(it);
    02291       if (!indsp->enabled) continue;
    02292
    02293       if (HasCommonValidCargo(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo), indsp->produced_cargo, lengthof(indsp->produced_cargo))) {
    02294         this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, it);
    02295         SetBit(_displayed_industries, it);
    02296         supp_count++;
    02297       }
    02298       if (HasCommonValidCargo(central_sp->produced_cargo, lengthof(central_sp->produced_cargo), indsp->accepts_cargo, lengthof(indsp->accepts_cargo))) {
    02299         this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 4, it);
    02300         SetBit(_displayed_industries, it);
    02301         cust_count++;
    02302       }
    02303     }
    02304     if (houses_supply) {
    02305       this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, NUM_INDUSTRYTYPES);
    02306       supp_count++;
    02307     }
    02308     if (houses_accept) {
    02309       this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 4, NUM_INDUSTRYTYPES);
    02310       cust_count++;
    02311     }
    02312
    02313     this->ShortenCargoColumn(1, 1, num_indrows);
    02314     this->ShortenCargoColumn(3, 1, num_indrows);
    02315     const NWidgetBase *nwp = this->GetWidget<NWidgetBase>(WID_IC_PANEL);
    02316     this->vscroll->SetCount(CeilDiv(WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM + CargoesField::small_height + num_indrows * CargoesField::normal_height, nwp->resize_y));
    02317     this->SetDirty();
    02318     this->NotifySmallmap();
    02319   }
    02320
    02325   void ComputeCargoDisplay(CargoID cid)
    02326   {
    02327     this->GetWidget<NWidgetCore>(WID_IC_CAPTION)->widget_data = STR_INDUSTRY_CARGOES_CARGO_CAPTION;
    02328     this->ind_cargo = cid + NUM_INDUSTRYTYPES;
    02329     _displayed_industries = 0;
    02330
    02331     this->fields.Clear();
    02332     CargoesRow *row = this->fields.Append();
    02333     row->columns[0].MakeHeader(STR_INDUSTRY_CARGOES_PRODUCERS);
    02334     row->columns[1].MakeEmpty(CFT_SMALL_EMPTY);
    02335     row->columns[2].MakeHeader(STR_INDUSTRY_CARGOES_CUSTOMERS);
    02336     row->columns[3].MakeEmpty(CFT_SMALL_EMPTY);
    02337     row->columns[4].MakeEmpty(CFT_SMALL_EMPTY);
    02338
    02339     bool houses_supply = HousesCanSupply(&cid, 1);
    02340     bool houses_accept = HousesCanAccept(&cid, 1);
    02341     int num_supp = CountMatchingProducingIndustries(&cid, 1) + houses_supply + 1; // Ensure room for the cargo label.
    02342     int num_cust = CountMatchingAcceptingIndustries(&cid, 1) + houses_accept;
    02343     int num_indrows = max(num_supp, num_cust);
    02344     for (int i = 0; i < num_indrows; i++) {
    02345       CargoesRow *row = this->fields.Append();
    02346       row->columns[0].MakeEmpty(CFT_EMPTY);
    02347       row->columns[1].MakeCargo(&cid, 1);
    02348       row->columns[2].MakeEmpty(CFT_EMPTY);
    02349       row->columns[3].MakeEmpty(CFT_EMPTY);
    02350       row->columns[4].MakeEmpty(CFT_EMPTY);
    02351     }
    02352
    02353     this->fields[num_indrows].MakeCargoLabel(0, false); // Add cargo labels at the left bottom.
    02354
    02355     /* Add suppliers and customers of the cargo. */
    02356     int supp_count = 0;
    02357     int cust_count = 0;
    02358     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
    02359       const IndustrySpec *indsp = GetIndustrySpec(it);
    02360       if (!indsp->enabled) continue;
    02361
    02362       if (HasCommonValidCargo(&cid, 1, indsp->produced_cargo, lengthof(indsp->produced_cargo))) {
    02363         this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, it);
    02364         SetBit(_displayed_industries, it);
    02365         supp_count++;
    02366       }
    02367       if (HasCommonValidCargo(&cid, 1, indsp->accepts_cargo, lengthof(indsp->accepts_cargo))) {
    02368         this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 2, it);
    02369         SetBit(_displayed_industries, it);
    02370         cust_count++;
    02371       }
    02372     }
    02373     if (houses_supply) {
    02374       this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, NUM_INDUSTRYTYPES);
    02375       supp_count++;
    02376     }
    02377     if (houses_accept) {
    02378       this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 2, NUM_INDUSTRYTYPES);
    02379       cust_count++;
    02380     }
    02381
    02382     this->ShortenCargoColumn(1, 1, num_indrows);
    02383     const NWidgetBase *nwp = this->GetWidget<NWidgetBase>(WID_IC_PANEL);
    02384     this->vscroll->SetCount(CeilDiv(WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM + CargoesField::small_height + num_indrows * CargoesField::normal_height, nwp->resize_y));
    02385     this->SetDirty();
    02386     this->NotifySmallmap();
    02387   }
    02388
    02396   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    02397   {
    02398     if (!gui_scope) return;
    02399     if (data == NUM_INDUSTRYTYPES) {
    02400       if (this->IsWidgetLowered(WID_IC_NOTIFY)) {
    02401         this->RaiseWidget(WID_IC_NOTIFY);
    02402         this->SetWidgetDirty(WID_IC_NOTIFY);
    02403       }
    02404       return;
    02405     }
    02406
    02407     assert(data >= 0 && data < NUM_INDUSTRYTYPES);
    02408     this->ComputeIndustryDisplay(data);
    02409   }
    02410
    02411   virtual void DrawWidget(const Rect &r, int widget) const
    02412   {
    02413     if (widget != WID_IC_PANEL) return;
    02414
    02415     DrawPixelInfo tmp_dpi, *old_dpi;
    02416     int width = r.right - r.left + 1;
    02417     int height = r.bottom - r.top + 1 - WD_FRAMERECT_TOP - WD_FRAMERECT_BOTTOM;
    02418     if (!FillDrawPixelInfo(&tmp_dpi, r.left + WD_FRAMERECT_LEFT, r.top + WD_FRAMERECT_TOP, width, height)) return;
    02419     old_dpi = _cur_dpi;
    02420     _cur_dpi = &tmp_dpi;
    02421
    02422     int left_pos = WD_FRAMERECT_LEFT;
    02423     if (this->ind_cargo >= NUM_INDUSTRYTYPES) left_pos += (CargoesField::industry_width + CargoesField::CARGO_FIELD_WIDTH) / 2;
    02424     int last_column = (this->ind_cargo < NUM_INDUSTRYTYPES) ? 4 : 2;
    02425
    02426     const NWidgetBase *nwp = this->GetWidget<NWidgetBase>(WID_IC_PANEL);
    02427     int vpos = -this->vscroll->GetPosition() * nwp->resize_y;
    02428     for (uint i = 0; i < this->fields.Length(); i++) {
    02429       int row_height = (i == 0) ? CargoesField::small_height : CargoesField::normal_height;
    02430       if (vpos + row_height >= 0) {
    02431         int xpos = left_pos;
    02432         int col, dir;
    02433         if (_current_text_dir == TD_RTL) {
    02434           col = last_column;
    02435           dir = -1;
    02436         } else {
    02437           col = 0;
    02438           dir = 1;
    02439         }
    02440         while (col >= 0 && col <= last_column) {
    02441           this->fields[i].columns[col].Draw(xpos, vpos);
    02442           xpos += (col & 1) ? CargoesField::CARGO_FIELD_WIDTH : CargoesField::industry_width;
    02443           col += dir;
    02444         }
    02445       }
    02446       vpos += row_height;
    02447       if (vpos >= height) break;
    02448     }
    02449
    02450     _cur_dpi = old_dpi;
    02451   }
    02452
    02460   bool CalculatePositionInWidget(Point pt, Point *fieldxy, Point *xy)
    02461   {
    02462     const NWidgetBase *nw = this->GetWidget<NWidgetBase>(WID_IC_PANEL);
    02463     pt.x -= nw->pos_x;
    02464     pt.y -= nw->pos_y;
    02465
    02466     int vpos = WD_FRAMERECT_TOP + CargoesField::small_height - this->vscroll->GetPosition() * nw->resize_y;
    02467     if (pt.y < vpos) return false;
    02468
    02469     int row = (pt.y - vpos) / CargoesField::normal_height; // row is relative to row 1.
    02470     if (row + 1 >= (int)this->fields.Length()) return false;
    02471     vpos = pt.y - vpos - row * CargoesField::normal_height; // Position in the row + 1 field
    02472     row++; // rebase row to match index of this->fields.
    02473
    02474     int xpos = 2 * WD_FRAMERECT_LEFT + ((this->ind_cargo < NUM_INDUSTRYTYPES) ? 0 :  (CargoesField::industry_width + CargoesField::CARGO_FIELD_WIDTH) / 2);
    02475     if (pt.x < xpos) return false;
    02476     int column;
    02477     for (column = 0; column <= 5; column++) {
    02478       int width = (column & 1) ? CargoesField::CARGO_FIELD_WIDTH : CargoesField::industry_width;
    02479       if (pt.x < xpos + width) break;
    02480       xpos += width;
    02481     }
    02482     int num_columns = (this->ind_cargo < NUM_INDUSTRYTYPES) ? 4 : 2;
    02483     if (column > num_columns) return false;
    02484     xpos = pt.x - xpos;
    02485
    02486     /* Return both positions, compensating for RTL languages (which works due to the equal symmetry in both displays). */
    02487     fieldxy->y = row;
    02488     xy->y = vpos;
    02489     if (_current_text_dir == TD_RTL) {
    02490       fieldxy->x = num_columns - column;
    02491       xy->x = ((column & 1) ? CargoesField::CARGO_FIELD_WIDTH : CargoesField::industry_width) - xpos;
    02492     } else {
    02493       fieldxy->x = column;
    02494       xy->x = xpos;
    02495     }
    02496     return true;
    02497   }
    02498
    02499   virtual void OnClick(Point pt, int widget, int click_count)
    02500   {
    02501     switch (widget) {
    02502       case WID_IC_PANEL: {
    02503         Point fieldxy, xy;
    02504         if (!CalculatePositionInWidget(pt, &fieldxy, &xy)) return;
    02505
    02506         const CargoesField *fld = this->fields[fieldxy.y].columns + fieldxy.x;
    02507         switch (fld->type) {
    02508           case CFT_INDUSTRY:
    02509             if (fld->u.industry.ind_type < NUM_INDUSTRYTYPES) this->ComputeIndustryDisplay(fld->u.industry.ind_type);
    02510             break;
    02511
    02512           case CFT_CARGO: {
    02513             CargoesField *lft = (fieldxy.x > 0) ? this->fields[fieldxy.y].columns + fieldxy.x - 1 : NULL;
    02514             CargoesField *rgt = (fieldxy.x < 4) ? this->fields[fieldxy.y].columns + fieldxy.x + 1 : NULL;
    02515             CargoID cid = fld->CargoClickedAt(lft, rgt, xy);
    02516             if (cid != INVALID_CARGO) this->ComputeCargoDisplay(cid);
    02517             break;
    02518           }
    02519
    02520           case CFT_CARGO_LABEL: {
    02521             CargoID cid = fld->CargoLabelClickedAt(xy);
    02522             if (cid != INVALID_CARGO) this->ComputeCargoDisplay(cid);
    02523             break;
    02524           }
    02525
    02526           default:
    02527             break;
    02528         }
    02529         break;
    02530       }
    02531
    02532       case WID_IC_NOTIFY:
    02533         this->ToggleWidgetLoweredState(WID_IC_NOTIFY);
    02534         this->SetWidgetDirty(WID_IC_NOTIFY);
    02535         SndPlayFx(SND_15_BEEP);
    02536
    02537         if (this->IsWidgetLowered(WID_IC_NOTIFY)) {
    02538           if (FindWindowByClass(WC_SMALLMAP) == NULL) ShowSmallMap();
    02539           this->NotifySmallmap();
    02540         }
    02541         break;
    02542     }
    02543   }
    02544
    02545   virtual void OnHover(Point pt, int widget)
    02546   {
    02547     if (widget != WID_IC_PANEL) return;
    02548
    02549     Point fieldxy, xy;
    02550     if (!CalculatePositionInWidget(pt, &fieldxy, &xy)) return;
    02551
    02552     const CargoesField *fld = this->fields[fieldxy.y].columns + fieldxy.x;
    02553     CargoID cid = INVALID_CARGO;
    02554     switch (fld->type) {
    02555       case CFT_CARGO: {
    02556         CargoesField *lft = (fieldxy.x > 0) ? this->fields[fieldxy.y].columns + fieldxy.x - 1 : NULL;
    02557         CargoesField *rgt = (fieldxy.x < 4) ? this->fields[fieldxy.y].columns + fieldxy.x + 1 : NULL;
    02558         cid = fld->CargoClickedAt(lft, rgt, xy);
    02559         break;
    02560       }
    02561
    02562       case CFT_CARGO_LABEL: {
    02563         cid = fld->CargoLabelClickedAt(xy);
    02564         break;
    02565       }
    02566
    02567       case CFT_INDUSTRY:
    02568         if (fld->u.industry.ind_type < NUM_INDUSTRYTYPES && (this->ind_cargo >= NUM_INDUSTRYTYPES || fieldxy.x != 2)) {
    02569           GuiShowTooltips(this, STR_INDUSTRY_CARGOES_INDUSTRY_TOOLTIP, 0, NULL, TCC_HOVER);
    02570         }
    02571         return;
    02572
    02573       default:
    02574         break;
    02575     }
    02576     if (cid != INVALID_CARGO && (this->ind_cargo < NUM_INDUSTRYTYPES || cid != this->ind_cargo - NUM_INDUSTRYTYPES)) {
    02577       const CargoSpec *csp = CargoSpec::Get(cid);
    02578       uint64 params[5];
    02579       params[0] = csp->name;
    02580       GuiShowTooltips(this, STR_INDUSTRY_CARGOES_CARGO_TOOLTIP, 1, params, TCC_HOVER);
    02581     }
    02582   }
    02583
    02584   virtual void OnResize()
    02585   {
    02586     this->vscroll->SetCapacityFromWidget(this, WID_IC_PANEL);
    02587   }
    02588 };
    02589
    02590 const int IndustryCargoesWindow::HOR_TEXT_PADDING  = 5;
    02591 const int IndustryCargoesWindow::VERT_TEXT_PADDING = 5;
    02592
    02597 static void ShowIndustryCargoesWindow(IndustryType id)
    02598 {
    02599   assert(id < NUM_INDUSTRYTYPES);
    02600
    02601   Window *w = BringWindowToFrontById(WC_INDUSTRY_CARGOES, 0);
    02602   if (w != NULL) {
    02603     w->InvalidateData(id);
    02604     return;
    02605   }
    02606   new IndustryCargoesWindow(id);
    02607 }