industry_gui.cpp

Go to the documentation of this file.
00001 /* $Id: industry_gui.cpp 26024 2013-11-17 13:35:48Z rubidium $ */
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 "settings_gui.h"
00016 #include "sound_func.h"
00017 #include "window_func.h"
00018 #include "textbuf_gui.h"
00019 #include "command_func.h"
00020 #include "viewport_func.h"
00021 #include "industry.h"
00022 #include "town.h"
00023 #include "cheat_type.h"
00024 #include "newgrf_industries.h"
00025 #include "newgrf_text.h"
00026 #include "newgrf_debug.h"
00027 #include "strings_func.h"
00028 #include "company_func.h"
00029 #include "tilehighlight_func.h"
00030 #include "string_func.h"
00031 #include "sortlist_type.h"
00032 #include "widgets/dropdown_func.h"
00033 #include "company_base.h"
00034 #include "core/geometry_func.hpp"
00035 #include "core/random_func.hpp"
00036 #include "core/backup_type.hpp"
00037 #include "genworld.h"
00038 #include "smallmap_gui.h"
00039 #include "widgets/dropdown_type.h"
00040 #include "widgets/industry_widget.h"
00041 
00042 #include "table/strings.h"
00043 
00044 bool _ignore_restrictions;
00045 uint64 _displayed_industries; 
00046 
00047 assert_compile(NUM_INDUSTRYTYPES <= 64); // Make sure all industry types fit in _displayed_industries.
00048 
00050 enum CargoSuffixType {
00051   CST_FUND,  
00052   CST_VIEW,  
00053   CST_DIR,   
00054 };
00055 
00056 static void ShowIndustryCargoesWindow(IndustryType id);
00057 
00073 static void GetCargoSuffix(uint cargo, CargoSuffixType cst, const Industry *ind, IndustryType ind_type, const IndustrySpec *indspec, char *suffix, const char *suffix_last)
00074 {
00075   suffix[0] = '\0';
00076   if (HasBit(indspec->callback_mask, CBM_IND_CARGO_SUFFIX)) {
00077     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);
00078     if (callback == CALLBACK_FAILED || callback == 0x400) return;
00079     if (callback > 0x400) {
00080       ErrorUnknownCallbackResult(indspec->grf_prop.grffile->grfid, CBID_INDUSTRY_CARGO_SUFFIX, callback);
00081     } else if (indspec->grf_prop.grffile->grf_version >= 8 || GB(callback, 0, 8) != 0xFF) {
00082       StartTextRefStackUsage(6);
00083       GetString(suffix, GetGRFStringID(indspec->grf_prop.grffile->grfid, 0xD000 + callback), suffix_last);
00084       StopTextRefStackUsage();
00085     }
00086   }
00087 }
00088 
00099 template <typename TC, typename TS>
00100 static inline void GetAllCargoSuffixes(uint cb_offset, CargoSuffixType cst, const Industry *ind, IndustryType ind_type, const IndustrySpec *indspec, const TC &cargoes, TS &suffixes)
00101 {
00102   assert_compile(lengthof(cargoes) <= lengthof(suffixes));
00103   for (uint j = 0; j < lengthof(cargoes); j++) {
00104     if (cargoes[j] != CT_INVALID) {
00105       GetCargoSuffix(cb_offset + j, cst, ind, ind_type, indspec, suffixes[j], lastof(suffixes[j]));
00106     } else {
00107       suffixes[j][0] = '\0';
00108     }
00109   }
00110 }
00111 
00112 IndustryType _sorted_industry_types[NUM_INDUSTRYTYPES]; 
00113 
00115 static int CDECL IndustryTypeNameSorter(const IndustryType *a, const IndustryType *b)
00116 {
00117   static char industry_name[2][64];
00118 
00119   const IndustrySpec *indsp1 = GetIndustrySpec(*a);
00120   SetDParam(0, indsp1->name);
00121   GetString(industry_name[0], STR_JUST_STRING, lastof(industry_name[0]));
00122 
00123   const IndustrySpec *indsp2 = GetIndustrySpec(*b);
00124   SetDParam(0, indsp2->name);
00125   GetString(industry_name[1], STR_JUST_STRING, lastof(industry_name[1]));
00126 
00127   int r = strnatcmp(industry_name[0], industry_name[1]); // Sort by name (natural sorting).
00128 
00129   /* If the names are equal, sort by industry type. */
00130   return (r != 0) ? r : (*a - *b);
00131 }
00132 
00136 void SortIndustryTypes()
00137 {
00138   /* Add each industry type to the list. */
00139   for (IndustryType i = 0; i < NUM_INDUSTRYTYPES; i++) {
00140     _sorted_industry_types[i] = i;
00141   }
00142 
00143   /* Sort industry types by name. */
00144   QSortT(_sorted_industry_types, NUM_INDUSTRYTYPES, &IndustryTypeNameSorter);
00145 }
00146 
00154 void CcBuildIndustry(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00155 {
00156   if (result.Succeeded()) return;
00157 
00158   uint8 indtype = GB(p1, 0, 8);
00159   if (indtype < NUM_INDUSTRYTYPES) {
00160     const IndustrySpec *indsp = GetIndustrySpec(indtype);
00161     if (indsp->enabled) {
00162       SetDParam(0, indsp->name);
00163       ShowErrorMessage(STR_ERROR_CAN_T_BUILD_HERE, result.GetErrorMessage(), WL_INFO, TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE);
00164     }
00165   }
00166 }
00167 
00168 static const NWidgetPart _nested_build_industry_widgets[] = {
00169   NWidget(NWID_HORIZONTAL),
00170     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
00171     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_FUND_INDUSTRY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00172     NWidget(WWT_SHADEBOX, COLOUR_DARK_GREEN),
00173     NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
00174   EndContainer(),
00175   NWidget(NWID_HORIZONTAL),
00176     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),
00177     NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_DPI_SCROLLBAR),
00178   EndContainer(),
00179   NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_DPI_INFOPANEL), SetResize(1, 0),
00180   EndContainer(),
00181   NWidget(NWID_HORIZONTAL),
00182     NWidget(WWT_TEXTBTN, COLOUR_DARK_GREEN, WID_DPI_DISPLAY_WIDGET), SetFill(1, 0), SetResize(1, 0),
00183         SetDataTip(STR_INDUSTRY_DISPLAY_CHAIN, STR_INDUSTRY_DISPLAY_CHAIN_TOOLTIP),
00184     NWidget(WWT_TEXTBTN, COLOUR_DARK_GREEN, WID_DPI_FUND_WIDGET), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_JUST_STRING, STR_NULL),
00185     NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
00186   EndContainer(),
00187 };
00188 
00190 static const WindowDesc _build_industry_desc(
00191   WDP_AUTO, 170, 212,
00192   WC_BUILD_INDUSTRY, WC_NONE,
00193   WDF_CONSTRUCTION,
00194   _nested_build_industry_widgets, lengthof(_nested_build_industry_widgets)
00195 );
00196 
00198 class BuildIndustryWindow : public Window {
00199   int selected_index;                         
00200   IndustryType selected_type;                 
00201   uint16 callback_timer;                      
00202   bool timer_enabled;                         
00203   uint16 count;                               
00204   IndustryType index[NUM_INDUSTRYTYPES + 1];  
00205   bool enabled[NUM_INDUSTRYTYPES + 1];        
00206   Scrollbar *vscroll;
00207 
00209   static const int MATRIX_TEXT_OFFSET = 17;
00210 
00211   void SetupArrays()
00212   {
00213     this->count = 0;
00214 
00215     for (uint i = 0; i < lengthof(this->index); i++) {
00216       this->index[i]   = INVALID_INDUSTRYTYPE;
00217       this->enabled[i] = false;
00218     }
00219 
00220     if (_game_mode == GM_EDITOR) { // give room for the Many Random "button"
00221       this->index[this->count] = INVALID_INDUSTRYTYPE;
00222       this->enabled[this->count] = true;
00223       this->count++;
00224       this->timer_enabled = false;
00225     }
00226     /* Fill the arrays with industries.
00227      * The tests performed after the enabled allow to load the industries
00228      * In the same way they are inserted by grf (if any)
00229      */
00230     for (uint8 i = 0; i < NUM_INDUSTRYTYPES; i++) {
00231       IndustryType ind = _sorted_industry_types[i];
00232       const IndustrySpec *indsp = GetIndustrySpec(ind);
00233       if (indsp->enabled) {
00234         /* Rule is that editor mode loads all industries.
00235          * In game mode, all non raw industries are loaded too
00236          * and raw ones are loaded only when setting allows it */
00237         if (_game_mode != GM_EDITOR && indsp->IsRawIndustry() && _settings_game.construction.raw_industry_construction == 0) {
00238           /* Unselect if the industry is no longer in the list */
00239           if (this->selected_type == ind) this->selected_index = -1;
00240           continue;
00241         }
00242         this->index[this->count] = ind;
00243         this->enabled[this->count] = (_game_mode == GM_EDITOR) || GetIndustryProbabilityCallback(ind, IACT_USERCREATION, 1) > 0;
00244         /* Keep the selection to the correct line */
00245         if (this->selected_type == ind) this->selected_index = this->count;
00246         this->count++;
00247       }
00248     }
00249 
00250     /* first industry type is selected if the current selection is invalid.
00251      * I'll be damned if there are none available ;) */
00252     if (this->selected_index == -1) {
00253       this->selected_index = 0;
00254       this->selected_type = this->index[0];
00255     }
00256 
00257     this->vscroll->SetCount(this->count);
00258   }
00259 
00261   void SetButtons()
00262   {
00263     this->SetWidgetDisabledState(WID_DPI_FUND_WIDGET, this->selected_type != INVALID_INDUSTRYTYPE && !this->enabled[this->selected_index]);
00264     this->SetWidgetDisabledState(WID_DPI_DISPLAY_WIDGET, this->selected_type == INVALID_INDUSTRYTYPE && this->enabled[this->selected_index]);
00265   }
00266 
00267 public:
00268   BuildIndustryWindow() : Window()
00269   {
00270     this->timer_enabled = _loaded_newgrf_features.has_newindustries;
00271 
00272     this->selected_index = -1;
00273     this->selected_type = INVALID_INDUSTRYTYPE;
00274 
00275     this->callback_timer = DAY_TICKS;
00276 
00277     this->CreateNestedTree(&_build_industry_desc);
00278     this->vscroll = this->GetScrollbar(WID_DPI_SCROLLBAR);
00279     this->FinishInitNested(&_build_industry_desc, 0);
00280 
00281     this->SetButtons();
00282   }
00283 
00284   virtual void OnInit()
00285   {
00286     this->SetupArrays();
00287   }
00288 
00289   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00290   {
00291     switch (widget) {
00292       case WID_DPI_MATRIX_WIDGET: {
00293         Dimension d = GetStringBoundingBox(STR_FUND_INDUSTRY_MANY_RANDOM_INDUSTRIES);
00294         for (byte i = 0; i < this->count; i++) {
00295           if (this->index[i] == INVALID_INDUSTRYTYPE) continue;
00296           d = maxdim(d, GetStringBoundingBox(GetIndustrySpec(this->index[i])->name));
00297         }
00298         resize->height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
00299         d.width += MATRIX_TEXT_OFFSET + padding.width;
00300         d.height = 5 * resize->height;
00301         *size = maxdim(*size, d);
00302         break;
00303       }
00304 
00305       case WID_DPI_INFOPANEL: {
00306         /* Extra line for cost outside of editor + extra lines for 'extra' information for NewGRFs. */
00307         int height = 2 + (_game_mode == GM_EDITOR ? 0 : 1) + (_loaded_newgrf_features.has_newindustries ? 4 : 0);
00308         Dimension d = {0, 0};
00309         for (byte i = 0; i < this->count; i++) {
00310           if (this->index[i] == INVALID_INDUSTRYTYPE) continue;
00311 
00312           const IndustrySpec *indsp = GetIndustrySpec(this->index[i]);
00313 
00314           char cargo_suffix[3][512];
00315           GetAllCargoSuffixes(0, CST_FUND, NULL, this->index[i], indsp, indsp->accepts_cargo, cargo_suffix);
00316           StringID str = STR_INDUSTRY_VIEW_REQUIRES_CARGO;
00317           byte p = 0;
00318           SetDParam(0, STR_JUST_NOTHING);
00319           SetDParamStr(1, "");
00320           for (byte j = 0; j < lengthof(indsp->accepts_cargo); j++) {
00321             if (indsp->accepts_cargo[j] == CT_INVALID) continue;
00322             if (p > 0) str++;
00323             SetDParam(p++, CargoSpec::Get(indsp->accepts_cargo[j])->name);
00324             SetDParamStr(p++, cargo_suffix[j]);
00325           }
00326           d = maxdim(d, GetStringBoundingBox(str));
00327 
00328           /* Draw the produced cargoes, if any. Otherwise, will print "Nothing". */
00329           GetAllCargoSuffixes(3, CST_FUND, NULL, this->index[i], indsp, indsp->produced_cargo, cargo_suffix);
00330           str = STR_INDUSTRY_VIEW_PRODUCES_CARGO;
00331           p = 0;
00332           SetDParam(0, STR_JUST_NOTHING);
00333           SetDParamStr(1, "");
00334           for (byte j = 0; j < lengthof(indsp->produced_cargo); j++) {
00335             if (indsp->produced_cargo[j] == CT_INVALID) continue;
00336             if (p > 0) str++;
00337             SetDParam(p++, CargoSpec::Get(indsp->produced_cargo[j])->name);
00338             SetDParamStr(p++, cargo_suffix[j]);
00339           }
00340           d = maxdim(d, GetStringBoundingBox(str));
00341         }
00342 
00343         /* Set it to something more sane :) */
00344         size->height = height * FONT_HEIGHT_NORMAL + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
00345         size->width  = d.width + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
00346         break;
00347       }
00348 
00349       case WID_DPI_FUND_WIDGET: {
00350         Dimension d = GetStringBoundingBox(STR_FUND_INDUSTRY_BUILD_NEW_INDUSTRY);
00351         d = maxdim(d, GetStringBoundingBox(STR_FUND_INDUSTRY_PROSPECT_NEW_INDUSTRY));
00352         d = maxdim(d, GetStringBoundingBox(STR_FUND_INDUSTRY_FUND_NEW_INDUSTRY));
00353         d.width += padding.width;
00354         d.height += padding.height;
00355         *size = maxdim(*size, d);
00356         break;
00357       }
00358     }
00359   }
00360 
00361   virtual void SetStringParameters(int widget) const
00362   {
00363     switch (widget) {
00364       case WID_DPI_FUND_WIDGET:
00365         /* Raw industries might be prospected. Show this fact by changing the string
00366          * In Editor, you just build, while ingame, or you fund or you prospect */
00367         if (_game_mode == GM_EDITOR) {
00368           /* We've chosen many random industries but no industries have been specified */
00369           SetDParam(0, STR_FUND_INDUSTRY_BUILD_NEW_INDUSTRY);
00370         } else {
00371           const IndustrySpec *indsp = GetIndustrySpec(this->index[this->selected_index]);
00372           SetDParam(0, (_settings_game.construction.raw_industry_construction == 2 && indsp->IsRawIndustry()) ? STR_FUND_INDUSTRY_PROSPECT_NEW_INDUSTRY : STR_FUND_INDUSTRY_FUND_NEW_INDUSTRY);
00373         }
00374         break;
00375     }
00376   }
00377 
00378   virtual void DrawWidget(const Rect &r, int widget) const
00379   {
00380     switch (widget) {
00381       case WID_DPI_MATRIX_WIDGET: {
00382         uint text_left, text_right, icon_left, icon_right;
00383         if (_current_text_dir == TD_RTL) {
00384           icon_right = r.right    - WD_MATRIX_RIGHT;
00385           icon_left  = icon_right - 10;
00386           text_right = icon_right - BuildIndustryWindow::MATRIX_TEXT_OFFSET;
00387           text_left  = r.left     + WD_MATRIX_LEFT;
00388         } else {
00389           icon_left  = r.left     + WD_MATRIX_LEFT;
00390           icon_right = icon_left  + 10;
00391           text_left  = icon_left  + BuildIndustryWindow::MATRIX_TEXT_OFFSET;
00392           text_right = r.right    - WD_MATRIX_RIGHT;
00393         }
00394 
00395         for (byte i = 0; i < this->vscroll->GetCapacity() && i + this->vscroll->GetPosition() < this->count; i++) {
00396           int y = r.top + WD_MATRIX_TOP + i * this->resize.step_height;
00397           bool selected = this->selected_index == i + this->vscroll->GetPosition();
00398 
00399           if (this->index[i + this->vscroll->GetPosition()] == INVALID_INDUSTRYTYPE) {
00400             DrawString(text_left, text_right, y, STR_FUND_INDUSTRY_MANY_RANDOM_INDUSTRIES, selected ? TC_WHITE : TC_ORANGE);
00401             continue;
00402           }
00403           const IndustrySpec *indsp = GetIndustrySpec(this->index[i + this->vscroll->GetPosition()]);
00404 
00405           /* Draw the name of the industry in white is selected, otherwise, in orange */
00406           DrawString(text_left, text_right, y, indsp->name, selected ? TC_WHITE : TC_ORANGE);
00407           GfxFillRect(icon_left,     y + 1, icon_right,     y + 7, selected ? PC_WHITE : PC_BLACK);
00408           GfxFillRect(icon_left + 1, y + 2, icon_right - 1, y + 6, indsp->map_colour);
00409         }
00410         break;
00411       }
00412 
00413       case WID_DPI_INFOPANEL: {
00414         int y      = r.top    + WD_FRAMERECT_TOP;
00415         int bottom = r.bottom - WD_FRAMERECT_BOTTOM;
00416         int left   = r.left   + WD_FRAMERECT_LEFT;
00417         int right  = r.right  - WD_FRAMERECT_RIGHT;
00418 
00419         if (this->selected_type == INVALID_INDUSTRYTYPE) {
00420           DrawStringMultiLine(left, right, y,  bottom, STR_FUND_INDUSTRY_MANY_RANDOM_INDUSTRIES_TOOLTIP);
00421           break;
00422         }
00423 
00424         const IndustrySpec *indsp = GetIndustrySpec(this->selected_type);
00425 
00426         if (_game_mode != GM_EDITOR) {
00427           SetDParam(0, indsp->GetConstructionCost());
00428           DrawString(left, right, y, STR_FUND_INDUSTRY_INDUSTRY_BUILD_COST);
00429           y += FONT_HEIGHT_NORMAL;
00430         }
00431 
00432         /* Draw the accepted cargoes, if any. Otherwise, will print "Nothing". */
00433         char cargo_suffix[3][512];
00434         GetAllCargoSuffixes(0, CST_FUND, NULL, this->selected_type, indsp, indsp->accepts_cargo, cargo_suffix);
00435         StringID str = STR_INDUSTRY_VIEW_REQUIRES_CARGO;
00436         byte p = 0;
00437         SetDParam(0, STR_JUST_NOTHING);
00438         SetDParamStr(1, "");
00439         for (byte j = 0; j < lengthof(indsp->accepts_cargo); j++) {
00440           if (indsp->accepts_cargo[j] == CT_INVALID) continue;
00441           if (p > 0) str++;
00442           SetDParam(p++, CargoSpec::Get(indsp->accepts_cargo[j])->name);
00443           SetDParamStr(p++, cargo_suffix[j]);
00444         }
00445         DrawString(left, right, y, str);
00446         y += FONT_HEIGHT_NORMAL;
00447 
00448         /* Draw the produced cargoes, if any. Otherwise, will print "Nothing". */
00449         GetAllCargoSuffixes(3, CST_FUND, NULL, this->selected_type, indsp, indsp->produced_cargo, cargo_suffix);
00450         str = STR_INDUSTRY_VIEW_PRODUCES_CARGO;
00451         p = 0;
00452         SetDParam(0, STR_JUST_NOTHING);
00453         SetDParamStr(1, "");
00454         for (byte j = 0; j < lengthof(indsp->produced_cargo); j++) {
00455           if (indsp->produced_cargo[j] == CT_INVALID) continue;
00456           if (p > 0) str++;
00457           SetDParam(p++, CargoSpec::Get(indsp->produced_cargo[j])->name);
00458           SetDParamStr(p++, cargo_suffix[j]);
00459         }
00460         DrawString(left, right, y, str);
00461         y += FONT_HEIGHT_NORMAL;
00462 
00463         /* Get the additional purchase info text, if it has not already been queried. */
00464         str = STR_NULL;
00465         if (HasBit(indsp->callback_mask, CBM_IND_FUND_MORE_TEXT)) {
00466           uint16 callback_res = GetIndustryCallback(CBID_INDUSTRY_FUND_MORE_TEXT, 0, 0, NULL, this->selected_type, INVALID_TILE);
00467           if (callback_res != CALLBACK_FAILED && callback_res != 0x400) {
00468             if (callback_res > 0x400) {
00469               ErrorUnknownCallbackResult(indsp->grf_prop.grffile->grfid, CBID_INDUSTRY_FUND_MORE_TEXT, callback_res);
00470             } else {
00471               str = GetGRFStringID(indsp->grf_prop.grffile->grfid, 0xD000 + callback_res);  // No. here's the new string
00472               if (str != STR_UNDEFINED) {
00473                 StartTextRefStackUsage(6);
00474                 DrawStringMultiLine(left, right, y, bottom, str, TC_YELLOW);
00475                 StopTextRefStackUsage();
00476               }
00477             }
00478           }
00479         }
00480         break;
00481       }
00482     }
00483   }
00484 
00485   virtual void OnClick(Point pt, int widget, int click_count)
00486   {
00487     switch (widget) {
00488       case WID_DPI_MATRIX_WIDGET: {
00489         int y = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_DPI_MATRIX_WIDGET);
00490         if (y < this->count) { // Is it within the boundaries of available data?
00491           this->selected_index = y;
00492           this->selected_type = this->index[y];
00493           const IndustrySpec *indsp = (this->selected_type == INVALID_INDUSTRYTYPE) ? NULL : GetIndustrySpec(this->selected_type);
00494 
00495           this->SetDirty();
00496 
00497           if (_thd.GetCallbackWnd() == this &&
00498               ((_game_mode != GM_EDITOR && _settings_game.construction.raw_industry_construction == 2 && indsp != NULL && indsp->IsRawIndustry()) ||
00499               this->selected_type == INVALID_INDUSTRYTYPE ||
00500               !this->enabled[this->selected_index])) {
00501             /* Reset the button state if going to prospecting or "build many industries" */
00502             this->RaiseButtons();
00503             ResetObjectToPlace();
00504           }
00505 
00506           this->SetButtons();
00507           if (this->enabled[this->selected_index] && click_count > 1) this->OnClick(pt, WID_DPI_FUND_WIDGET, 1);
00508         }
00509         break;
00510       }
00511 
00512       case WID_DPI_DISPLAY_WIDGET:
00513         if (this->selected_type != INVALID_INDUSTRYTYPE) ShowIndustryCargoesWindow(this->selected_type);
00514         break;
00515 
00516       case WID_DPI_FUND_WIDGET: {
00517         if (this->selected_type == INVALID_INDUSTRYTYPE) {
00518           this->HandleButtonClick(WID_DPI_FUND_WIDGET);
00519 
00520           if (Town::GetNumItems() == 0) {
00521             ShowErrorMessage(STR_ERROR_CAN_T_GENERATE_INDUSTRIES, STR_ERROR_MUST_FOUND_TOWN_FIRST, WL_INFO);
00522           } else {
00523             extern void GenerateIndustries();
00524             _generating_world = true;
00525             GenerateIndustries();
00526             _generating_world = false;
00527           }
00528         } else if (_game_mode != GM_EDITOR && _settings_game.construction.raw_industry_construction == 2 && GetIndustrySpec(this->selected_type)->IsRawIndustry()) {
00529           DoCommandP(0, this->selected_type, InteractiveRandom(), CMD_BUILD_INDUSTRY | CMD_MSG(STR_ERROR_CAN_T_CONSTRUCT_THIS_INDUSTRY));
00530           this->HandleButtonClick(WID_DPI_FUND_WIDGET);
00531         } else {
00532           HandlePlacePushButton(this, WID_DPI_FUND_WIDGET, SPR_CURSOR_INDUSTRY, HT_RECT);
00533         }
00534         break;
00535       }
00536     }
00537   }
00538 
00539   virtual void OnResize()
00540   {
00541     /* Adjust the number of items in the matrix depending of the resize */
00542     this->vscroll->SetCapacityFromWidget(this, WID_DPI_MATRIX_WIDGET);
00543     this->GetWidget<NWidgetCore>(WID_DPI_MATRIX_WIDGET)->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
00544   }
00545 
00546   virtual void OnPlaceObject(Point pt, TileIndex tile)
00547   {
00548     bool success = true;
00549     /* We do not need to protect ourselves against "Random Many Industries" in this mode */
00550     const IndustrySpec *indsp = GetIndustrySpec(this->selected_type);
00551     uint32 seed = InteractiveRandom();
00552 
00553     if (_game_mode == GM_EDITOR) {
00554       /* Show error if no town exists at all */
00555       if (Town::GetNumItems() == 0) {
00556         SetDParam(0, indsp->name);
00557         ShowErrorMessage(STR_ERROR_CAN_T_BUILD_HERE, STR_ERROR_MUST_FOUND_TOWN_FIRST, WL_INFO, pt.x, pt.y);
00558         return;
00559       }
00560 
00561       Backup<CompanyByte> cur_company(_current_company, OWNER_NONE, FILE_LINE);
00562       _generating_world = true;
00563       _ignore_restrictions = true;
00564 
00565       DoCommandP(tile, (InteractiveRandomRange(indsp->num_table) << 8) | this->selected_type, seed,
00566           CMD_BUILD_INDUSTRY | CMD_MSG(STR_ERROR_CAN_T_CONSTRUCT_THIS_INDUSTRY), &CcBuildIndustry);
00567 
00568       cur_company.Restore();
00569       _ignore_restrictions = false;
00570       _generating_world = false;
00571     } else {
00572       success = DoCommandP(tile, (InteractiveRandomRange(indsp->num_table) << 8) | this->selected_type, seed, CMD_BUILD_INDUSTRY | CMD_MSG(STR_ERROR_CAN_T_CONSTRUCT_THIS_INDUSTRY));
00573     }
00574 
00575     /* If an industry has been built, just reset the cursor and the system */
00576     if (success && !_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00577   }
00578 
00579   virtual void OnTick()
00580   {
00581     if (_pause_mode != PM_UNPAUSED) return;
00582     if (!this->timer_enabled) return;
00583     if (--this->callback_timer == 0) {
00584       /* We have just passed another day.
00585        * See if we need to update availability of currently selected industry */
00586       this->callback_timer = DAY_TICKS; // restart counter
00587 
00588       const IndustrySpec *indsp = GetIndustrySpec(this->selected_type);
00589 
00590       if (indsp->enabled) {
00591         bool call_back_result = GetIndustryProbabilityCallback(this->selected_type, IACT_USERCREATION, 1) > 0;
00592 
00593         /* Only if result does match the previous state would it require a redraw. */
00594         if (call_back_result != this->enabled[this->selected_index]) {
00595           this->enabled[this->selected_index] = call_back_result;
00596           this->SetButtons();
00597           this->SetDirty();
00598         }
00599       }
00600     }
00601   }
00602 
00603   virtual void OnTimeout()
00604   {
00605     this->RaiseButtons();
00606   }
00607 
00608   virtual void OnPlaceObjectAbort()
00609   {
00610     this->RaiseButtons();
00611   }
00612 
00618   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00619   {
00620     if (!gui_scope) return;
00621     this->SetupArrays();
00622 
00623     const IndustrySpec *indsp = (this->selected_type == INVALID_INDUSTRYTYPE) ? NULL : GetIndustrySpec(this->selected_type);
00624     if (indsp == NULL) this->enabled[this->selected_index] = _settings_game.difficulty.industry_density != ID_FUND_ONLY;
00625     this->SetButtons();
00626   }
00627 };
00628 
00629 void ShowBuildIndustryWindow()
00630 {
00631   if (_game_mode != GM_EDITOR && !Company::IsValidID(_local_company)) return;
00632   if (BringWindowToFrontById(WC_BUILD_INDUSTRY, 0)) return;
00633   new BuildIndustryWindow();
00634 }
00635 
00636 static void UpdateIndustryProduction(Industry *i);
00637 
00638 static inline bool IsProductionAlterable(const Industry *i)
00639 {
00640   const IndustrySpec *is = GetIndustrySpec(i->type);
00641   return ((_game_mode == GM_EDITOR || _cheats.setup_prod.value) &&
00642       (is->production_rate[0] != 0 || is->production_rate[1] != 0 || is->IsRawIndustry()));
00643 }
00644 
00645 class IndustryViewWindow : public Window
00646 {
00648   enum Editability {
00649     EA_NONE,              
00650     EA_MULTIPLIER,        
00651     EA_RATE,              
00652   };
00653 
00655   enum InfoLine {
00656     IL_NONE,              
00657     IL_MULTIPLIER,        
00658     IL_RATE1,             
00659     IL_RATE2,             
00660   };
00661 
00662   Editability editable;     
00663   InfoLine editbox_line;    
00664   InfoLine clicked_line;    
00665   byte clicked_button;      
00666   int production_offset_y;  
00667   int info_height;          
00668 
00669 public:
00670   IndustryViewWindow(const WindowDesc *desc, WindowNumber window_number) : Window()
00671   {
00672     this->flags |= WF_DISABLE_VP_SCROLL;
00673     this->editbox_line = IL_NONE;
00674     this->clicked_line = IL_NONE;
00675     this->clicked_button = 0;
00676     this->info_height = WD_FRAMERECT_TOP + 2 * FONT_HEIGHT_NORMAL + WD_FRAMERECT_BOTTOM + 1; // Info panel has at least two lines text.
00677 
00678     this->InitNested(desc, window_number);
00679     NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(WID_IV_VIEWPORT);
00680     nvp->InitializeViewport(this, Industry::Get(window_number)->location.GetCenterTile(), ZOOM_LVL_INDUSTRY);
00681 
00682     this->InvalidateData();
00683   }
00684 
00685   virtual void OnPaint()
00686   {
00687     this->DrawWidgets();
00688 
00689     if (this->IsShaded()) return; // Don't draw anything when the window is shaded.
00690 
00691     NWidgetBase *nwi = this->GetWidget<NWidgetBase>(WID_IV_INFO);
00692     uint expected = this->DrawInfo(nwi->pos_x, nwi->pos_x + nwi->current_x - 1, nwi->pos_y) - nwi->pos_y;
00693     if (expected > nwi->current_y - 1) {
00694       this->info_height = expected + 1;
00695       this->ReInit();
00696       return;
00697     }
00698   }
00699 
00707   int DrawInfo(uint left, uint right, uint top)
00708   {
00709     Industry *i = Industry::Get(this->window_number);
00710     const IndustrySpec *ind = GetIndustrySpec(i->type);
00711     int y = top + WD_FRAMERECT_TOP;
00712     bool first = true;
00713     bool has_accept = false;
00714     char cargo_suffix[3][512];
00715 
00716     if (HasBit(ind->callback_mask, CBM_IND_PRODUCTION_CARGO_ARRIVAL) || HasBit(ind->callback_mask, CBM_IND_PRODUCTION_256_TICKS)) {
00717       GetAllCargoSuffixes(0, CST_VIEW, i, i->type, ind, i->accepts_cargo, cargo_suffix);
00718       for (byte j = 0; j < lengthof(i->accepts_cargo); j++) {
00719         if (i->accepts_cargo[j] == CT_INVALID) continue;
00720         has_accept = true;
00721         if (first) {
00722           DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_WAITING_FOR_PROCESSING);
00723           y += FONT_HEIGHT_NORMAL;
00724           first = false;
00725         }
00726         SetDParam(0, i->accepts_cargo[j]);
00727         SetDParam(1, i->incoming_cargo_waiting[j]);
00728         SetDParamStr(2, cargo_suffix[j]);
00729         DrawString(left + WD_FRAMETEXT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_WAITING_STOCKPILE_CARGO);
00730         y += FONT_HEIGHT_NORMAL;
00731       }
00732     } else {
00733       GetAllCargoSuffixes(0, CST_VIEW, i, i->type, ind, i->accepts_cargo, cargo_suffix);
00734       StringID str = STR_INDUSTRY_VIEW_REQUIRES_CARGO;
00735       byte p = 0;
00736       for (byte j = 0; j < lengthof(i->accepts_cargo); j++) {
00737         if (i->accepts_cargo[j] == CT_INVALID) continue;
00738         has_accept = true;
00739         if (p > 0) str++;
00740         SetDParam(p++, CargoSpec::Get(i->accepts_cargo[j])->name);
00741         SetDParamStr(p++, cargo_suffix[j]);
00742       }
00743       if (has_accept) {
00744         DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, str);
00745         y += FONT_HEIGHT_NORMAL;
00746       }
00747     }
00748 
00749     GetAllCargoSuffixes(3, CST_VIEW, i, i->type, ind, i->produced_cargo, cargo_suffix);
00750     first = true;
00751     for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
00752       if (i->produced_cargo[j] == CT_INVALID) continue;
00753       if (first) {
00754         if (has_accept) y += WD_PAR_VSEP_WIDE;
00755         DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_PRODUCTION_LAST_MONTH_TITLE);
00756         y += FONT_HEIGHT_NORMAL;
00757         if (this->editable == EA_RATE) this->production_offset_y = y;
00758         first = false;
00759       }
00760 
00761       SetDParam(0, i->produced_cargo[j]);
00762       SetDParam(1, i->last_month_production[j]);
00763       SetDParamStr(2, cargo_suffix[j]);
00764       SetDParam(3, ToPercent8(i->last_month_pct_transported[j]));
00765       uint x = left + WD_FRAMETEXT_LEFT + (this->editable == EA_RATE ? SETTING_BUTTON_WIDTH + 10 : 0);
00766       DrawString(x, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_TRANSPORTED);
00767       /* Let's put out those buttons.. */
00768       if (this->editable == EA_RATE) {
00769         DrawArrowButtons(left + WD_FRAMETEXT_LEFT, y, COLOUR_YELLOW, (this->clicked_line == IL_RATE1 + j) ? this->clicked_button : 0,
00770             i->production_rate[j] > 0, i->production_rate[j] < 255);
00771       }
00772       y += FONT_HEIGHT_NORMAL;
00773     }
00774 
00775     /* Display production multiplier if editable */
00776     if (this->editable == EA_MULTIPLIER) {
00777       y += WD_PAR_VSEP_WIDE;
00778       this->production_offset_y = y;
00779       SetDParam(0, RoundDivSU(i->prod_level * 100, PRODLEVEL_DEFAULT));
00780       uint x = left + WD_FRAMETEXT_LEFT + SETTING_BUTTON_WIDTH + 10;
00781       DrawString(x, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_PRODUCTION_LEVEL);
00782       DrawArrowButtons(left + WD_FRAMETEXT_LEFT, y, COLOUR_YELLOW, (this->clicked_line == IL_MULTIPLIER) ? this->clicked_button : 0,
00783           i->prod_level > PRODLEVEL_MINIMUM, i->prod_level < PRODLEVEL_MAXIMUM);
00784       y += FONT_HEIGHT_NORMAL;
00785     }
00786 
00787     /* Get the extra message for the GUI */
00788     if (HasBit(ind->callback_mask, CBM_IND_WINDOW_MORE_TEXT)) {
00789       uint16 callback_res = GetIndustryCallback(CBID_INDUSTRY_WINDOW_MORE_TEXT, 0, 0, i, i->type, i->location.tile);
00790       if (callback_res != CALLBACK_FAILED && callback_res != 0x400) {
00791         if (callback_res > 0x400) {
00792           ErrorUnknownCallbackResult(ind->grf_prop.grffile->grfid, CBID_INDUSTRY_WINDOW_MORE_TEXT, callback_res);
00793         } else {
00794           StringID message = GetGRFStringID(ind->grf_prop.grffile->grfid, 0xD000 + callback_res);
00795           if (message != STR_NULL && message != STR_UNDEFINED) {
00796             y += WD_PAR_VSEP_WIDE;
00797 
00798             StartTextRefStackUsage(6);
00799             /* Use all the available space left from where we stand up to the
00800              * end of the window. We ALSO enlarge the window if needed, so we
00801              * can 'go' wild with the bottom of the window. */
00802             y = DrawStringMultiLine(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, UINT16_MAX, message, TC_BLACK);
00803             StopTextRefStackUsage();
00804           }
00805         }
00806       }
00807     }
00808     return y + WD_FRAMERECT_BOTTOM;
00809   }
00810 
00811   virtual void SetStringParameters(int widget) const
00812   {
00813     if (widget == WID_IV_CAPTION) SetDParam(0, this->window_number);
00814   }
00815 
00816   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00817   {
00818     if (widget == WID_IV_INFO) size->height = this->info_height;
00819   }
00820 
00821   virtual void OnClick(Point pt, int widget, int click_count)
00822   {
00823     switch (widget) {
00824       case WID_IV_INFO: {
00825         Industry *i = Industry::Get(this->window_number);
00826         InfoLine line = IL_NONE;
00827 
00828         switch (this->editable) {
00829           case EA_NONE: break;
00830 
00831           case EA_MULTIPLIER:
00832             if (IsInsideBS(pt.y, this->production_offset_y, FONT_HEIGHT_NORMAL)) line = IL_MULTIPLIER;
00833             break;
00834 
00835           case EA_RATE:
00836             if (pt.y >= this->production_offset_y) {
00837               int row = (pt.y - this->production_offset_y) / FONT_HEIGHT_NORMAL;
00838               for (uint j = 0; j < lengthof(i->produced_cargo); j++) {
00839                 if (i->produced_cargo[j] == CT_INVALID) continue;
00840                 row--;
00841                 if (row < 0) {
00842                   line = (InfoLine)(IL_RATE1 + j);
00843                   break;
00844                 }
00845               }
00846             }
00847             break;
00848         }
00849         if (line == IL_NONE) return;
00850 
00851         NWidgetBase *nwi = this->GetWidget<NWidgetBase>(widget);
00852         int left = nwi->pos_x + WD_FRAMETEXT_LEFT;
00853         int right = nwi->pos_x + nwi->current_x - 1 - WD_FRAMERECT_RIGHT;
00854         if (IsInsideMM(pt.x, left, left + SETTING_BUTTON_WIDTH)) {
00855           /* Clicked buttons, decrease or increase production */
00856           byte button = (pt.x < left + SETTING_BUTTON_WIDTH / 2) ? 1 : 2;
00857           switch (this->editable) {
00858             case EA_MULTIPLIER:
00859               if (button == 1) {
00860                 if (i->prod_level <= PRODLEVEL_MINIMUM) return;
00861                 i->prod_level = max<uint>(i->prod_level / 2, PRODLEVEL_MINIMUM);
00862               } else {
00863                 if (i->prod_level >= PRODLEVEL_MAXIMUM) return;
00864                 i->prod_level = minu(i->prod_level * 2, PRODLEVEL_MAXIMUM);
00865               }
00866               break;
00867 
00868             case EA_RATE:
00869               if (button == 1) {
00870                 if (i->production_rate[line - IL_RATE1] <= 0) return;
00871                 i->production_rate[line - IL_RATE1] = max(i->production_rate[line - IL_RATE1] / 2, 0);
00872               } else {
00873                 if (i->production_rate[line - IL_RATE1] >= 255) return;
00874                 /* a zero production industry is unlikely to give anything but zero, so push it a little bit */
00875                 int new_prod = i->production_rate[line - IL_RATE1] == 0 ? 1 : i->production_rate[line - IL_RATE1] * 2;
00876                 i->production_rate[line - IL_RATE1] = minu(new_prod, 255);
00877               }
00878               break;
00879 
00880             default: NOT_REACHED();
00881           }
00882 
00883           UpdateIndustryProduction(i);
00884           this->SetDirty();
00885           this->SetTimeout();
00886           this->clicked_line = line;
00887           this->clicked_button = button;
00888         } else if (IsInsideMM(pt.x, left + SETTING_BUTTON_WIDTH + 10, right)) {
00889           /* clicked the text */
00890           this->editbox_line = line;
00891           switch (this->editable) {
00892             case EA_MULTIPLIER:
00893               SetDParam(0, RoundDivSU(i->prod_level * 100, PRODLEVEL_DEFAULT));
00894               ShowQueryString(STR_JUST_INT, STR_CONFIG_GAME_PRODUCTION_LEVEL, 10, this, CS_ALPHANUMERAL, QSF_NONE);
00895               break;
00896 
00897             case EA_RATE:
00898               SetDParam(0, i->production_rate[line - IL_RATE1] * 8);
00899               ShowQueryString(STR_JUST_INT, STR_CONFIG_GAME_PRODUCTION, 10, this, CS_ALPHANUMERAL, QSF_NONE);
00900               break;
00901 
00902             default: NOT_REACHED();
00903           }
00904         }
00905         break;
00906       }
00907 
00908       case WID_IV_GOTO: {
00909         Industry *i = Industry::Get(this->window_number);
00910         if (_ctrl_pressed) {
00911           ShowExtraViewPortWindow(i->location.GetCenterTile());
00912         } else {
00913           ScrollMainWindowToTile(i->location.GetCenterTile());
00914         }
00915         break;
00916       }
00917 
00918       case WID_IV_DISPLAY: {
00919         Industry *i = Industry::Get(this->window_number);
00920         ShowIndustryCargoesWindow(i->type);
00921         break;
00922       }
00923     }
00924   }
00925 
00926   virtual void OnTimeout()
00927   {
00928     this->clicked_line = IL_NONE;
00929     this->clicked_button = 0;
00930     this->SetDirty();
00931   }
00932 
00933   virtual void OnResize()
00934   {
00935     if (this->viewport != NULL) {
00936       NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(WID_IV_VIEWPORT);
00937       nvp->UpdateViewportCoordinates(this);
00938 
00939       ScrollWindowToTile(Industry::Get(this->window_number)->location.GetCenterTile(), this, true); // Re-center viewport.
00940     }
00941   }
00942 
00943   virtual void OnQueryTextFinished(char *str)
00944   {
00945     if (StrEmpty(str)) return;
00946 
00947     Industry *i = Industry::Get(this->window_number);
00948     uint value = atoi(str);
00949     switch (this->editbox_line) {
00950       case IL_NONE: NOT_REACHED();
00951 
00952       case IL_MULTIPLIER:
00953         i->prod_level = ClampU(RoundDivSU(value * PRODLEVEL_DEFAULT, 100), PRODLEVEL_MINIMUM, PRODLEVEL_MAXIMUM);
00954         break;
00955 
00956       default:
00957         i->production_rate[this->editbox_line - IL_RATE1] = ClampU(RoundDivSU(value, 8), 0, 255);
00958         break;
00959     }
00960     UpdateIndustryProduction(i);
00961     this->SetDirty();
00962   }
00963 
00969   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00970   {
00971     if (!gui_scope) return;
00972     const Industry *i = Industry::Get(this->window_number);
00973     if (IsProductionAlterable(i)) {
00974       const IndustrySpec *ind = GetIndustrySpec(i->type);
00975       this->editable = ind->UsesSmoothEconomy() ? EA_RATE : EA_MULTIPLIER;
00976     } else {
00977       this->editable = EA_NONE;
00978     }
00979   }
00980 
00981   virtual bool IsNewGRFInspectable() const
00982   {
00983     return ::IsNewGRFInspectable(GSF_INDUSTRIES, this->window_number);
00984   }
00985 
00986   virtual void ShowNewGRFInspectWindow() const
00987   {
00988 		::ShowNewGRFInspectWindow(GSF_INDUSTRIES, this->window_number);
00989   }
00990 };
00991 
00992 static void UpdateIndustryProduction(Industry *i)
00993 {
00994   const IndustrySpec *indspec = GetIndustrySpec(i->type);
00995   if (!indspec->UsesSmoothEconomy()) i->RecomputeProductionMultipliers();
00996 
00997   for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
00998     if (i->produced_cargo[j] != CT_INVALID) {
00999       i->last_month_production[j] = 8 * i->production_rate[j];
01000     }
01001   }
01002 }
01003 
01005 static const NWidgetPart _nested_industry_view_widgets[] = {
01006   NWidget(NWID_HORIZONTAL),
01007     NWidget(WWT_CLOSEBOX, COLOUR_CREAM),
01008     NWidget(WWT_CAPTION, COLOUR_CREAM, WID_IV_CAPTION), SetDataTip(STR_INDUSTRY_VIEW_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01009     NWidget(WWT_DEBUGBOX, COLOUR_CREAM),
01010     NWidget(WWT_SHADEBOX, COLOUR_CREAM),
01011     NWidget(WWT_STICKYBOX, COLOUR_CREAM),
01012   EndContainer(),
01013   NWidget(WWT_PANEL, COLOUR_CREAM),
01014     NWidget(WWT_INSET, COLOUR_CREAM), SetPadding(2, 2, 2, 2),
01015       NWidget(NWID_VIEWPORT, INVALID_COLOUR, WID_IV_VIEWPORT), SetMinimalSize(254, 86), SetFill(1, 0), SetPadding(1, 1, 1, 1), SetResize(1, 1),
01016     EndContainer(),
01017   EndContainer(),
01018   NWidget(WWT_PANEL, COLOUR_CREAM, WID_IV_INFO), SetMinimalSize(260, 2), SetResize(1, 0),
01019   EndContainer(),
01020   NWidget(NWID_HORIZONTAL),
01021     NWidget(WWT_PUSHTXTBTN, COLOUR_CREAM, WID_IV_GOTO), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_BUTTON_LOCATION, STR_INDUSTRY_VIEW_LOCATION_TOOLTIP),
01022     NWidget(WWT_PUSHTXTBTN, COLOUR_CREAM, WID_IV_DISPLAY), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_INDUSTRY_DISPLAY_CHAIN, STR_INDUSTRY_DISPLAY_CHAIN_TOOLTIP),
01023     NWidget(WWT_RESIZEBOX, COLOUR_CREAM),
01024   EndContainer(),
01025 };
01026 
01028 static const WindowDesc _industry_view_desc(
01029   WDP_AUTO, 260, 120,
01030   WC_INDUSTRY_VIEW, WC_NONE,
01031   0,
01032   _nested_industry_view_widgets, lengthof(_nested_industry_view_widgets)
01033 );
01034 
01035 void ShowIndustryViewWindow(int industry)
01036 {
01037   AllocateWindowDescFront<IndustryViewWindow>(&_industry_view_desc, industry);
01038 }
01039 
01041 static const NWidgetPart _nested_industry_directory_widgets[] = {
01042   NWidget(NWID_HORIZONTAL),
01043     NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
01044     NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_INDUSTRY_DIRECTORY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01045     NWidget(WWT_SHADEBOX, COLOUR_BROWN),
01046     NWidget(WWT_STICKYBOX, COLOUR_BROWN),
01047   EndContainer(),
01048   NWidget(NWID_HORIZONTAL),
01049     NWidget(NWID_VERTICAL),
01050       NWidget(NWID_HORIZONTAL),
01051         NWidget(WWT_TEXTBTN, COLOUR_BROWN, WID_ID_DROPDOWN_ORDER), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
01052         NWidget(WWT_DROPDOWN, COLOUR_BROWN, WID_ID_DROPDOWN_CRITERIA), SetDataTip(STR_JUST_STRING, STR_TOOLTIP_SORT_CRITERIA),
01053         NWidget(WWT_PANEL, COLOUR_BROWN), SetResize(1, 0), EndContainer(),
01054       EndContainer(),
01055       NWidget(WWT_PANEL, COLOUR_BROWN, WID_ID_INDUSTRY_LIST), SetDataTip(0x0, STR_INDUSTRY_DIRECTORY_LIST_CAPTION), SetResize(1, 1), SetScrollbar(WID_ID_SCROLLBAR), EndContainer(),
01056     EndContainer(),
01057     NWidget(NWID_VERTICAL),
01058       NWidget(NWID_VSCROLLBAR, COLOUR_BROWN, WID_ID_SCROLLBAR),
01059       NWidget(WWT_RESIZEBOX, COLOUR_BROWN),
01060     EndContainer(),
01061   EndContainer(),
01062 };
01063 
01064 typedef GUIList<const Industry*> GUIIndustryList;
01065 
01066 
01070 class IndustryDirectoryWindow : public Window {
01071 protected:
01072   /* Runtime saved values */
01073   static Listing last_sorting;
01074   static const Industry *last_industry;
01075 
01076   /* Constants for sorting stations */
01077   static const StringID sorter_names[];
01078   static GUIIndustryList::SortFunction * const sorter_funcs[];
01079 
01080   GUIIndustryList industries;
01081   Scrollbar *vscroll;
01082 
01084   void BuildSortIndustriesList()
01085   {
01086     if (this->industries.NeedRebuild()) {
01087       this->industries.Clear();
01088 
01089       const Industry *i;
01090       FOR_ALL_INDUSTRIES(i) {
01091         *this->industries.Append() = i;
01092       }
01093 
01094       this->industries.Compact();
01095       this->industries.RebuildDone();
01096       this->vscroll->SetCount(this->industries.Length()); // Update scrollbar as well.
01097     }
01098 
01099     if (!this->industries.Sort()) return;
01100     IndustryDirectoryWindow::last_industry = NULL; // Reset name sorter sort cache
01101     this->SetWidgetDirty(WID_ID_INDUSTRY_LIST); // Set the modified widget dirty
01102   }
01103 
01111   static inline int GetCargoTransportedPercentsIfValid(const Industry *i, uint id)
01112   {
01113     assert(id < lengthof(i->produced_cargo));
01114 
01115     if (i->produced_cargo[id] == CT_INVALID) return 101;
01116     return ToPercent8(i->last_month_pct_transported[id]);
01117   }
01118 
01126   static int GetCargoTransportedSortValue(const Industry *i)
01127   {
01128     int p1 = GetCargoTransportedPercentsIfValid(i, 0);
01129     int p2 = GetCargoTransportedPercentsIfValid(i, 1);
01130 
01131     if (p1 > p2) Swap(p1, p2); // lower value has higher priority
01132 
01133     return (p1 << 8) + p2;
01134   }
01135 
01137   static int CDECL IndustryNameSorter(const Industry * const *a, const Industry * const *b)
01138   {
01139     static char buf_cache[96];
01140     static char buf[96];
01141 
01142     SetDParam(0, (*a)->index);
01143     GetString(buf, STR_INDUSTRY_NAME, lastof(buf));
01144 
01145     if (*b != last_industry) {
01146       last_industry = *b;
01147       SetDParam(0, (*b)->index);
01148       GetString(buf_cache, STR_INDUSTRY_NAME, lastof(buf_cache));
01149     }
01150 
01151     return strnatcmp(buf, buf_cache); // Sort by name (natural sorting).
01152   }
01153 
01155   static int CDECL IndustryTypeSorter(const Industry * const *a, const Industry * const *b)
01156   {
01157     int it_a = 0;
01158     while (it_a != NUM_INDUSTRYTYPES && (*a)->type != _sorted_industry_types[it_a]) it_a++;
01159     int it_b = 0;
01160     while (it_b != NUM_INDUSTRYTYPES && (*b)->type != _sorted_industry_types[it_b]) it_b++;
01161     int r = it_a - it_b;
01162     return (r == 0) ? IndustryNameSorter(a, b) : r;
01163   }
01164 
01166   static int CDECL IndustryProductionSorter(const Industry * const *a, const Industry * const *b)
01167   {
01168     uint prod_a = 0, prod_b = 0;
01169     for (uint i = 0; i < lengthof((*a)->produced_cargo); i++) {
01170       if ((*a)->produced_cargo[i] != CT_INVALID) prod_a += (*a)->last_month_production[i];
01171       if ((*b)->produced_cargo[i] != CT_INVALID) prod_b += (*b)->last_month_production[i];
01172     }
01173     int r = prod_a - prod_b;
01174 
01175     return (r == 0) ? IndustryTypeSorter(a, b) : r;
01176   }
01177 
01179   static int CDECL IndustryTransportedCargoSorter(const Industry * const *a, const Industry * const *b)
01180   {
01181     int r = GetCargoTransportedSortValue(*a) - GetCargoTransportedSortValue(*b);
01182     return (r == 0) ? IndustryNameSorter(a, b) : r;
01183   }
01184 
01190   StringID GetIndustryString(const Industry *i) const
01191   {
01192     const IndustrySpec *indsp = GetIndustrySpec(i->type);
01193     byte p = 0;
01194 
01195     /* Industry name */
01196     SetDParam(p++, i->index);
01197 
01198     static char cargo_suffix[lengthof(i->produced_cargo)][512];
01199     GetAllCargoSuffixes(3, CST_DIR, i, i->type, indsp, i->produced_cargo, cargo_suffix);
01200 
01201     /* Industry productions */
01202     for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
01203       if (i->produced_cargo[j] == CT_INVALID) continue;
01204       SetDParam(p++, i->produced_cargo[j]);
01205       SetDParam(p++, i->last_month_production[j]);
01206       SetDParamStr(p++, cargo_suffix[j]);
01207     }
01208 
01209     /* Transported productions */
01210     for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
01211       if (i->produced_cargo[j] == CT_INVALID) continue;
01212       SetDParam(p++, ToPercent8(i->last_month_pct_transported[j]));
01213     }
01214 
01215     /* Drawing the right string */
01216     switch (p) {
01217       case 1:  return STR_INDUSTRY_DIRECTORY_ITEM_NOPROD;
01218       case 5:  return STR_INDUSTRY_DIRECTORY_ITEM;
01219       default: return STR_INDUSTRY_DIRECTORY_ITEM_TWO;
01220     }
01221   }
01222 
01223 public:
01224   IndustryDirectoryWindow(const WindowDesc *desc, WindowNumber number) : Window()
01225   {
01226     this->CreateNestedTree(desc);
01227     this->vscroll = this->GetScrollbar(WID_ID_SCROLLBAR);
01228 
01229     this->industries.SetListing(this->last_sorting);
01230     this->industries.SetSortFuncs(IndustryDirectoryWindow::sorter_funcs);
01231     this->industries.ForceRebuild();
01232     this->BuildSortIndustriesList();
01233 
01234     this->FinishInitNested(desc, 0);
01235   }
01236 
01237   ~IndustryDirectoryWindow()
01238   {
01239     this->last_sorting = this->industries.GetListing();
01240   }
01241 
01242   virtual void SetStringParameters(int widget) const
01243   {
01244     if (widget == WID_ID_DROPDOWN_CRITERIA) SetDParam(0, IndustryDirectoryWindow::sorter_names[this->industries.SortType()]);
01245   }
01246 
01247   virtual void DrawWidget(const Rect &r, int widget) const
01248   {
01249     switch (widget) {
01250       case WID_ID_DROPDOWN_ORDER:
01251         this->DrawSortButtonState(widget, this->industries.IsDescSortOrder() ? SBS_DOWN : SBS_UP);
01252         break;
01253 
01254       case WID_ID_INDUSTRY_LIST: {
01255         int n = 0;
01256         int y = r.top + WD_FRAMERECT_TOP;
01257         if (this->industries.Length() == 0) {
01258           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_DIRECTORY_NONE);
01259           break;
01260         }
01261         for (uint i = this->vscroll->GetPosition(); i < this->industries.Length(); i++) {
01262           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, this->GetIndustryString(this->industries[i]));
01263 
01264           y += this->resize.step_height;
01265           if (++n == this->vscroll->GetCapacity()) break; // max number of industries in 1 window
01266         }
01267         break;
01268       }
01269     }
01270   }
01271 
01272   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01273   {
01274     switch (widget) {
01275       case WID_ID_DROPDOWN_ORDER: {
01276         Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
01277         d.width += padding.width + WD_SORTBUTTON_ARROW_WIDTH * 2; // Doubled since the string is centred and it also looks better.
01278         d.height += padding.height;
01279         *size = maxdim(*size, d);
01280         break;
01281       }
01282 
01283       case WID_ID_DROPDOWN_CRITERIA: {
01284         Dimension d = {0, 0};
01285         for (uint i = 0; IndustryDirectoryWindow::sorter_names[i] != INVALID_STRING_ID; i++) {
01286           d = maxdim(d, GetStringBoundingBox(IndustryDirectoryWindow::sorter_names[i]));
01287         }
01288         d.width += padding.width;
01289         d.height += padding.height;
01290         *size = maxdim(*size, d);
01291         break;
01292       }
01293 
01294       case WID_ID_INDUSTRY_LIST: {
01295         Dimension d = GetStringBoundingBox(STR_INDUSTRY_DIRECTORY_NONE);
01296         for (uint i = 0; i < this->industries.Length(); i++) {
01297           d = maxdim(d, GetStringBoundingBox(this->GetIndustryString(this->industries[i])));
01298         }
01299         resize->height = d.height;
01300         d.height *= 5;
01301         d.width += padding.width + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
01302         d.height += padding.height + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
01303         *size = maxdim(*size, d);
01304         break;
01305       }
01306     }
01307   }
01308 
01309 
01310   virtual void OnClick(Point pt, int widget, int click_count)
01311   {
01312     switch (widget) {
01313       case WID_ID_DROPDOWN_ORDER:
01314         this->industries.ToggleSortOrder();
01315         this->SetDirty();
01316         break;
01317 
01318       case WID_ID_DROPDOWN_CRITERIA:
01319         ShowDropDownMenu(this, IndustryDirectoryWindow::sorter_names, this->industries.SortType(), WID_ID_DROPDOWN_CRITERIA, 0, 0);
01320         break;
01321 
01322       case WID_ID_INDUSTRY_LIST: {
01323         uint p = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_ID_INDUSTRY_LIST, WD_FRAMERECT_TOP);
01324         if (p < this->industries.Length()) {
01325           if (_ctrl_pressed) {
01326             ShowExtraViewPortWindow(this->industries[p]->location.tile);
01327           } else {
01328             ScrollMainWindowToTile(this->industries[p]->location.tile);
01329           }
01330         }
01331         break;
01332       }
01333     }
01334   }
01335 
01336   virtual void OnDropdownSelect(int widget, int index)
01337   {
01338     if (this->industries.SortType() != index) {
01339       this->industries.SetSortType(index);
01340       this->BuildSortIndustriesList();
01341     }
01342   }
01343 
01344   virtual void OnResize()
01345   {
01346     this->vscroll->SetCapacityFromWidget(this, WID_ID_INDUSTRY_LIST);
01347   }
01348 
01349   virtual void OnPaint()
01350   {
01351     if (this->industries.NeedRebuild()) this->BuildSortIndustriesList();
01352     this->DrawWidgets();
01353   }
01354 
01355   virtual void OnHundredthTick()
01356   {
01357     this->industries.ForceResort();
01358     this->BuildSortIndustriesList();
01359   }
01360 
01366   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
01367   {
01368     if (data == 0) {
01369       /* This needs to be done in command-scope to enforce rebuilding before resorting invalid data */
01370       this->industries.ForceRebuild();
01371     } else {
01372       this->industries.ForceResort();
01373     }
01374   }
01375 };
01376 
01377 Listing IndustryDirectoryWindow::last_sorting = {false, 0};
01378 const Industry *IndustryDirectoryWindow::last_industry = NULL;
01379 
01380 /* Available station sorting functions. */
01381 GUIIndustryList::SortFunction * const IndustryDirectoryWindow::sorter_funcs[] = {
01382   &IndustryNameSorter,
01383   &IndustryTypeSorter,
01384   &IndustryProductionSorter,
01385   &IndustryTransportedCargoSorter
01386 };
01387 
01388 /* Names of the sorting functions */
01389 const StringID IndustryDirectoryWindow::sorter_names[] = {
01390   STR_SORT_BY_NAME,
01391   STR_SORT_BY_TYPE,
01392   STR_SORT_BY_PRODUCTION,
01393   STR_SORT_BY_TRANSPORTED,
01394   INVALID_STRING_ID
01395 };
01396 
01397 
01399 static const WindowDesc _industry_directory_desc(
01400   WDP_AUTO, 428, 190,
01401   WC_INDUSTRY_DIRECTORY, WC_NONE,
01402   0,
01403   _nested_industry_directory_widgets, lengthof(_nested_industry_directory_widgets)
01404 );
01405 
01406 void ShowIndustryDirectory()
01407 {
01408   AllocateWindowDescFront<IndustryDirectoryWindow>(&_industry_directory_desc, 0);
01409 }
01410 
01412 static const NWidgetPart _nested_industry_cargoes_widgets[] = {
01413   NWidget(NWID_HORIZONTAL),
01414     NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
01415     NWidget(WWT_CAPTION, COLOUR_BROWN, WID_IC_CAPTION), SetDataTip(STR_INDUSTRY_CARGOES_INDUSTRY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01416     NWidget(WWT_SHADEBOX, COLOUR_BROWN),
01417     NWidget(WWT_STICKYBOX, COLOUR_BROWN),
01418   EndContainer(),
01419   NWidget(NWID_HORIZONTAL),
01420     NWidget(NWID_VERTICAL),
01421       NWidget(WWT_PANEL, COLOUR_BROWN, WID_IC_PANEL), SetResize(1, 10), SetMinimalSize(200, 90), SetScrollbar(WID_IC_SCROLLBAR), EndContainer(),
01422       NWidget(NWID_HORIZONTAL),
01423         NWidget(WWT_TEXTBTN, COLOUR_BROWN, WID_IC_NOTIFY),
01424           SetDataTip(STR_INDUSTRY_CARGOES_NOTIFY_SMALLMAP, STR_INDUSTRY_CARGOES_NOTIFY_SMALLMAP_TOOLTIP),
01425         NWidget(WWT_PANEL, COLOUR_BROWN), SetFill(1, 0), SetResize(0, 0), EndContainer(),
01426         NWidget(WWT_DROPDOWN, COLOUR_BROWN, WID_IC_IND_DROPDOWN), SetFill(0, 0), SetResize(0, 0),
01427             SetDataTip(STR_INDUSTRY_CARGOES_SELECT_INDUSTRY, STR_INDUSTRY_CARGOES_SELECT_INDUSTRY_TOOLTIP),
01428         NWidget(WWT_DROPDOWN, COLOUR_BROWN, WID_IC_CARGO_DROPDOWN), SetFill(0, 0), SetResize(0, 0),
01429             SetDataTip(STR_INDUSTRY_CARGOES_SELECT_CARGO, STR_INDUSTRY_CARGOES_SELECT_CARGO_TOOLTIP),
01430       EndContainer(),
01431     EndContainer(),
01432     NWidget(NWID_VERTICAL),
01433       NWidget(NWID_VSCROLLBAR, COLOUR_BROWN, WID_IC_SCROLLBAR),
01434       NWidget(WWT_RESIZEBOX, COLOUR_BROWN),
01435     EndContainer(),
01436   EndContainer(),
01437 };
01438 
01440 static const WindowDesc _industry_cargoes_desc(
01441   WDP_AUTO, 300, 210,
01442   WC_INDUSTRY_CARGOES, WC_NONE,
01443   0,
01444   _nested_industry_cargoes_widgets, lengthof(_nested_industry_cargoes_widgets)
01445 );
01446 
01448 enum CargoesFieldType {
01449   CFT_EMPTY,       
01450   CFT_SMALL_EMPTY, 
01451   CFT_INDUSTRY,    
01452   CFT_CARGO,       
01453   CFT_CARGO_LABEL, 
01454   CFT_HEADER,      
01455 };
01456 
01457 static const uint MAX_CARGOES = 3; 
01458 
01460 struct CargoesField {
01461   static const int VERT_INTER_INDUSTRY_SPACE;
01462   static const int HOR_CARGO_BORDER_SPACE;
01463   static const int CARGO_STUB_WIDTH;
01464   static const int HOR_CARGO_WIDTH, HOR_CARGO_SPACE;
01465   static const int CARGO_FIELD_WIDTH;
01466   static const int VERT_CARGO_SPACE, VERT_CARGO_EDGE;
01467   static const int BLOB_DISTANCE, BLOB_WIDTH, BLOB_HEIGHT;
01468 
01469   static const int INDUSTRY_LINE_COLOUR;
01470   static const int CARGO_LINE_COLOUR;
01471 
01472   static int small_height, normal_height;
01473   static int industry_width;
01474 
01475   CargoesFieldType type; 
01476   union {
01477     struct {
01478       IndustryType ind_type;                 
01479       CargoID other_produced[MAX_CARGOES];   
01480       CargoID other_accepted[MAX_CARGOES];   
01481     } industry; 
01482     struct {
01483       CargoID vertical_cargoes[MAX_CARGOES]; 
01484       byte num_cargoes;                      
01485       CargoID supp_cargoes[MAX_CARGOES];     
01486       byte top_end;                          
01487       CargoID cust_cargoes[MAX_CARGOES];     
01488       byte bottom_end;                       
01489     } cargo; 
01490     struct {
01491       CargoID cargoes[MAX_CARGOES];          
01492       bool left_align;                       
01493     } cargo_label;   
01494     StringID header; 
01495   } u; // Data for each type.
01496 
01501   void MakeEmpty(CargoesFieldType type)
01502   {
01503     this->type = type;
01504   }
01505 
01511   void MakeIndustry(IndustryType ind_type)
01512   {
01513     this->type = CFT_INDUSTRY;
01514     this->u.industry.ind_type = ind_type;
01515     MemSetT(this->u.industry.other_accepted, INVALID_CARGO, MAX_CARGOES);
01516     MemSetT(this->u.industry.other_produced, INVALID_CARGO, MAX_CARGOES);
01517   }
01518 
01525   int ConnectCargo(CargoID cargo, bool producer)
01526   {
01527     assert(this->type == CFT_CARGO);
01528     if (cargo == INVALID_CARGO) return -1;
01529 
01530     /* Find the vertical cargo column carrying the cargo. */
01531     int column = -1;
01532     for (int i = 0; i < this->u.cargo.num_cargoes; i++) {
01533       if (cargo == this->u.cargo.vertical_cargoes[i]) {
01534         column = i;
01535         break;
01536       }
01537     }
01538     if (column < 0) return -1;
01539 
01540     if (producer) {
01541       assert(this->u.cargo.supp_cargoes[column] == INVALID_CARGO);
01542       this->u.cargo.supp_cargoes[column]  = column;
01543     } else {
01544       assert(this->u.cargo.cust_cargoes[column] == INVALID_CARGO);
01545       this->u.cargo.cust_cargoes[column] = column;
01546     }
01547     return column;
01548   }
01549 
01554   bool HasConnection()
01555   {
01556     assert(this->type == CFT_CARGO);
01557 
01558     for (uint i = 0; i < MAX_CARGOES; i++) {
01559       if (this->u.cargo.supp_cargoes[i] != INVALID_CARGO) return true;
01560       if (this->u.cargo.cust_cargoes[i] != INVALID_CARGO) return true;
01561     }
01562     return false;
01563   }
01564 
01574   void MakeCargo(const CargoID *cargoes, uint length, int count = -1, bool top_end = false, bool bottom_end = false)
01575   {
01576     this->type = CFT_CARGO;
01577     uint i;
01578     uint num = 0;
01579     for (i = 0; i < MAX_CARGOES && i < length; i++) {
01580       if (cargoes[i] != INVALID_CARGO) {
01581         this->u.cargo.vertical_cargoes[num] = cargoes[i];
01582         num++;
01583       }
01584     }
01585     this->u.cargo.num_cargoes = (count < 0) ? num : count;
01586     for (; num < MAX_CARGOES; num++) this->u.cargo.vertical_cargoes[num] = INVALID_CARGO;
01587     this->u.cargo.top_end = top_end;
01588     this->u.cargo.bottom_end = bottom_end;
01589     MemSetT(this->u.cargo.supp_cargoes, INVALID_CARGO, MAX_CARGOES);
01590     MemSetT(this->u.cargo.cust_cargoes, INVALID_CARGO, MAX_CARGOES);
01591   }
01592 
01599   void MakeCargoLabel(const CargoID *cargoes, uint length, bool left_align)
01600   {
01601     this->type = CFT_CARGO_LABEL;
01602     uint i;
01603     for (i = 0; i < MAX_CARGOES && i < length; i++) this->u.cargo_label.cargoes[i] = cargoes[i];
01604     for (; i < MAX_CARGOES; i++) this->u.cargo_label.cargoes[i] = INVALID_CARGO;
01605     this->u.cargo_label.left_align = left_align;
01606   }
01607 
01612   void MakeHeader(StringID textid)
01613   {
01614     this->type = CFT_HEADER;
01615     this->u.header = textid;
01616   }
01617 
01623   int GetCargoBase(int xpos) const
01624   {
01625     assert(this->type == CFT_CARGO);
01626 
01627     switch (this->u.cargo.num_cargoes) {
01628       case 0: return xpos + CARGO_FIELD_WIDTH / 2;
01629       case 1: return xpos + CARGO_FIELD_WIDTH / 2 - HOR_CARGO_WIDTH / 2;
01630       case 2: return xpos + CARGO_FIELD_WIDTH / 2 - HOR_CARGO_WIDTH - HOR_CARGO_SPACE / 2;
01631       case 3: return xpos + CARGO_FIELD_WIDTH / 2 - HOR_CARGO_WIDTH - HOR_CARGO_SPACE - HOR_CARGO_WIDTH / 2;
01632       default: NOT_REACHED();
01633     }
01634   }
01635 
01641   void Draw(int xpos, int ypos) const
01642   {
01643     switch (this->type) {
01644       case CFT_EMPTY:
01645       case CFT_SMALL_EMPTY:
01646         break;
01647 
01648       case CFT_HEADER:
01649         ypos += (small_height - FONT_HEIGHT_NORMAL) / 2;
01650         DrawString(xpos, xpos + industry_width, ypos, this->u.header, TC_WHITE, SA_HOR_CENTER);
01651         break;
01652 
01653       case CFT_INDUSTRY: {
01654         int ypos1 = ypos + VERT_INTER_INDUSTRY_SPACE / 2;
01655         int ypos2 = ypos + normal_height - 1 - VERT_INTER_INDUSTRY_SPACE / 2;
01656         int xpos2 = xpos + industry_width - 1;
01657         GfxDrawLine(xpos,  ypos1, xpos2, ypos1, INDUSTRY_LINE_COLOUR);
01658         GfxDrawLine(xpos,  ypos1, xpos,  ypos2, INDUSTRY_LINE_COLOUR);
01659         GfxDrawLine(xpos,  ypos2, xpos2, ypos2, INDUSTRY_LINE_COLOUR);
01660         GfxDrawLine(xpos2, ypos1, xpos2, ypos2, INDUSTRY_LINE_COLOUR);
01661         ypos += (normal_height - FONT_HEIGHT_NORMAL) / 2;
01662         if (this->u.industry.ind_type < NUM_INDUSTRYTYPES) {
01663           const IndustrySpec *indsp = GetIndustrySpec(this->u.industry.ind_type);
01664           SetDParam(0, indsp->name);
01665           DrawString(xpos, xpos2, ypos, STR_JUST_STRING, TC_WHITE, SA_HOR_CENTER);
01666 
01667           /* Draw the industry legend. */
01668           int blob_left, blob_right;
01669           if (_current_text_dir == TD_RTL) {
01670             blob_right = xpos2 - BLOB_DISTANCE;
01671             blob_left  = blob_right - BLOB_WIDTH;
01672           } else {
01673             blob_left  = xpos + BLOB_DISTANCE;
01674             blob_right = blob_left + BLOB_WIDTH;
01675           }
01676           GfxFillRect(blob_left,     ypos2 - BLOB_DISTANCE - BLOB_HEIGHT,     blob_right,     ypos2 - BLOB_DISTANCE,     PC_BLACK); // Border
01677           GfxFillRect(blob_left + 1, ypos2 - BLOB_DISTANCE - BLOB_HEIGHT + 1, blob_right - 1, ypos2 - BLOB_DISTANCE - 1, indsp->map_colour);
01678         } else {
01679           DrawString(xpos, xpos2, ypos, STR_INDUSTRY_CARGOES_HOUSES, TC_FROMSTRING, SA_HOR_CENTER);
01680         }
01681 
01682         /* Draw the other_produced/other_accepted cargoes. */
01683         const CargoID *other_right, *other_left;
01684         if (_current_text_dir == TD_RTL) {
01685           other_right = this->u.industry.other_accepted;
01686           other_left  = this->u.industry.other_produced;
01687         } else {
01688           other_right = this->u.industry.other_produced;
01689           other_left  = this->u.industry.other_accepted;
01690         }
01691         ypos1 += VERT_CARGO_EDGE;
01692         for (uint i = 0; i < MAX_CARGOES; i++) {
01693           if (other_right[i] != INVALID_CARGO) {
01694             const CargoSpec *csp = CargoSpec::Get(other_right[i]);
01695             int xp = xpos + industry_width + CARGO_STUB_WIDTH;
01696             DrawHorConnection(xpos + industry_width, xp - 1, ypos1, csp);
01697             GfxDrawLine(xp, ypos1, xp, ypos1 + FONT_HEIGHT_NORMAL - 1, CARGO_LINE_COLOUR);
01698           }
01699           if (other_left[i] != INVALID_CARGO) {
01700             const CargoSpec *csp = CargoSpec::Get(other_left[i]);
01701             int xp = xpos - CARGO_STUB_WIDTH;
01702             DrawHorConnection(xp + 1, xpos - 1, ypos1, csp);
01703             GfxDrawLine(xp, ypos1, xp, ypos1 + FONT_HEIGHT_NORMAL - 1, CARGO_LINE_COLOUR);
01704           }
01705           ypos1 += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
01706         }
01707         break;
01708       }
01709 
01710       case CFT_CARGO: {
01711         int cargo_base = this->GetCargoBase(xpos);
01712         int top = ypos + (this->u.cargo.top_end ? VERT_INTER_INDUSTRY_SPACE / 2 + 1 : 0);
01713         int bot = ypos - (this->u.cargo.bottom_end ? VERT_INTER_INDUSTRY_SPACE / 2 + 1 : 0) + normal_height - 1;
01714         int colpos = cargo_base;
01715         for (int i = 0; i < this->u.cargo.num_cargoes; i++) {
01716           if (this->u.cargo.top_end) GfxDrawLine(colpos, top - 1, colpos + HOR_CARGO_WIDTH - 1, top - 1, CARGO_LINE_COLOUR);
01717           if (this->u.cargo.bottom_end) GfxDrawLine(colpos, bot + 1, colpos + HOR_CARGO_WIDTH - 1, bot + 1, CARGO_LINE_COLOUR);
01718           GfxDrawLine(colpos, top, colpos, bot, CARGO_LINE_COLOUR);
01719           colpos++;
01720           const CargoSpec *csp = CargoSpec::Get(this->u.cargo.vertical_cargoes[i]);
01721           GfxFillRect(colpos, top, colpos + HOR_CARGO_WIDTH - 2, bot, csp->legend_colour, FILLRECT_OPAQUE);
01722           colpos += HOR_CARGO_WIDTH - 2;
01723           GfxDrawLine(colpos, top, colpos, bot, CARGO_LINE_COLOUR);
01724           colpos += 1 + HOR_CARGO_SPACE;
01725         }
01726 
01727         const CargoID *hor_left, *hor_right;
01728         if (_current_text_dir == TD_RTL) {
01729           hor_left  = this->u.cargo.cust_cargoes;
01730           hor_right = this->u.cargo.supp_cargoes;
01731         } else {
01732           hor_left  = this->u.cargo.supp_cargoes;
01733           hor_right = this->u.cargo.cust_cargoes;
01734         }
01735         ypos += VERT_CARGO_EDGE + VERT_INTER_INDUSTRY_SPACE / 2;
01736         for (uint i = 0; i < MAX_CARGOES; i++) {
01737           if (hor_left[i] != INVALID_CARGO) {
01738             int col = hor_left[i];
01739             int dx = 0;
01740             const CargoSpec *csp = CargoSpec::Get(this->u.cargo.vertical_cargoes[col]);
01741             for (; col > 0; col--) {
01742               int lf = cargo_base + col * HOR_CARGO_WIDTH + (col - 1) * HOR_CARGO_SPACE;
01743               DrawHorConnection(lf, lf + HOR_CARGO_SPACE - dx, ypos, csp);
01744               dx = 1;
01745             }
01746             DrawHorConnection(xpos, cargo_base - dx, ypos, csp);
01747           }
01748           if (hor_right[i] != INVALID_CARGO) {
01749             int col = hor_right[i];
01750             int dx = 0;
01751             const CargoSpec *csp = CargoSpec::Get(this->u.cargo.vertical_cargoes[col]);
01752             for (; col < this->u.cargo.num_cargoes - 1; col++) {
01753               int lf = cargo_base + (col + 1) * HOR_CARGO_WIDTH + col * HOR_CARGO_SPACE;
01754               DrawHorConnection(lf + dx - 1, lf + HOR_CARGO_SPACE - 1, ypos, csp);
01755               dx = 1;
01756             }
01757             DrawHorConnection(cargo_base + col * HOR_CARGO_SPACE + (col + 1) * HOR_CARGO_WIDTH - 1 + dx, xpos + CARGO_FIELD_WIDTH - 1, ypos, csp);
01758           }
01759           ypos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
01760         }
01761         break;
01762       }
01763 
01764       case CFT_CARGO_LABEL:
01765         ypos += VERT_CARGO_EDGE + VERT_INTER_INDUSTRY_SPACE / 2;
01766         for (uint i = 0; i < MAX_CARGOES; i++) {
01767           if (this->u.cargo_label.cargoes[i] != INVALID_CARGO) {
01768             const CargoSpec *csp = CargoSpec::Get(this->u.cargo_label.cargoes[i]);
01769             DrawString(xpos + WD_FRAMERECT_LEFT, xpos + industry_width - 1 - WD_FRAMERECT_RIGHT, ypos, csp->name, TC_WHITE,
01770                 (this->u.cargo_label.left_align) ? SA_LEFT : SA_RIGHT);
01771           }
01772           ypos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
01773         }
01774         break;
01775 
01776       default:
01777         NOT_REACHED();
01778     }
01779   }
01780 
01788   CargoID CargoClickedAt(const CargoesField *left, const CargoesField *right, Point pt) const
01789   {
01790     assert(this->type == CFT_CARGO);
01791 
01792     /* Vertical matching. */
01793     int cpos = this->GetCargoBase(0);
01794     uint col;
01795     for (col = 0; col < this->u.cargo.num_cargoes; col++) {
01796       if (pt.x < cpos) break;
01797       if (pt.x < cpos + CargoesField::HOR_CARGO_WIDTH) return this->u.cargo.vertical_cargoes[col];
01798       cpos += CargoesField::HOR_CARGO_WIDTH + CargoesField::HOR_CARGO_SPACE;
01799     }
01800     /* col = 0 -> left of first col, 1 -> left of 2nd col, ... this->u.cargo.num_cargoes right of last-col. */
01801 
01802     int vpos = VERT_INTER_INDUSTRY_SPACE / 2 + VERT_CARGO_EDGE;
01803     uint row;
01804     for (row = 0; row < MAX_CARGOES; row++) {
01805       if (pt.y < vpos) return INVALID_CARGO;
01806       if (pt.y < vpos + FONT_HEIGHT_NORMAL) break;
01807       vpos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
01808     }
01809     if (row == MAX_CARGOES) return INVALID_CARGO;
01810 
01811     /* row = 0 -> at first horizontal row, row = 1 -> second horizontal row, 2 = 3rd horizontal row. */
01812     if (col == 0) {
01813       if (this->u.cargo.supp_cargoes[row] != INVALID_CARGO) return this->u.cargo.vertical_cargoes[this->u.cargo.supp_cargoes[row]];
01814       if (left != NULL) {
01815         if (left->type == CFT_INDUSTRY) return left->u.industry.other_produced[row];
01816         if (left->type == CFT_CARGO_LABEL && !left->u.cargo_label.left_align) return left->u.cargo_label.cargoes[row];
01817       }
01818       return INVALID_CARGO;
01819     }
01820     if (col == this->u.cargo.num_cargoes) {
01821       if (this->u.cargo.cust_cargoes[row] != INVALID_CARGO) return this->u.cargo.vertical_cargoes[this->u.cargo.cust_cargoes[row]];
01822       if (right != NULL) {
01823         if (right->type == CFT_INDUSTRY) return right->u.industry.other_accepted[row];
01824         if (right->type == CFT_CARGO_LABEL && right->u.cargo_label.left_align) return right->u.cargo_label.cargoes[row];
01825       }
01826       return INVALID_CARGO;
01827     }
01828     if (row >= col) {
01829       /* Clicked somewhere in-between vertical cargo connection.
01830        * Since the horizontal connection is made in the same order as the vertical list, the above condition
01831        * ensures we are left-below the main diagonal, thus at the supplying side.
01832        */
01833       return (this->u.cargo.supp_cargoes[row] != INVALID_CARGO) ? this->u.cargo.vertical_cargoes[this->u.cargo.supp_cargoes[row]] : INVALID_CARGO;
01834     } else {
01835       /* Clicked at a customer connection. */
01836       return (this->u.cargo.cust_cargoes[row] != INVALID_CARGO) ? this->u.cargo.vertical_cargoes[this->u.cargo.cust_cargoes[row]] : INVALID_CARGO;
01837     }
01838   }
01839 
01845   CargoID CargoLabelClickedAt(Point pt) const
01846   {
01847     assert(this->type == CFT_CARGO_LABEL);
01848 
01849     int vpos = VERT_INTER_INDUSTRY_SPACE / 2 + VERT_CARGO_EDGE;
01850     uint row;
01851     for (row = 0; row < MAX_CARGOES; row++) {
01852       if (pt.y < vpos) return INVALID_CARGO;
01853       if (pt.y < vpos + FONT_HEIGHT_NORMAL) break;
01854       vpos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
01855     }
01856     if (row == MAX_CARGOES) return INVALID_CARGO;
01857     return this->u.cargo_label.cargoes[row];
01858   }
01859 
01860 private:
01868   static void DrawHorConnection(int left, int right, int top, const CargoSpec *csp)
01869   {
01870     GfxDrawLine(left, top, right, top, CARGO_LINE_COLOUR);
01871     GfxFillRect(left, top + 1, right, top + FONT_HEIGHT_NORMAL - 2, csp->legend_colour, FILLRECT_OPAQUE);
01872     GfxDrawLine(left, top + FONT_HEIGHT_NORMAL - 1, right, top + FONT_HEIGHT_NORMAL - 1, CARGO_LINE_COLOUR);
01873   }
01874 };
01875 
01876 assert_compile(MAX_CARGOES >= cpp_lengthof(IndustrySpec, produced_cargo));
01877 assert_compile(MAX_CARGOES >= cpp_lengthof(IndustrySpec, accepts_cargo));
01878 
01879 int CargoesField::small_height;   
01880 int CargoesField::normal_height;  
01881 int CargoesField::industry_width; 
01882 const int CargoesField::VERT_INTER_INDUSTRY_SPACE = 6; 
01883 
01884 const int CargoesField::HOR_CARGO_BORDER_SPACE = 15; 
01885 const int CargoesField::CARGO_STUB_WIDTH       = 10; 
01886 const int CargoesField::HOR_CARGO_WIDTH        = 15; 
01887 const int CargoesField::HOR_CARGO_SPACE        =  5; 
01888 const int CargoesField::VERT_CARGO_EDGE        =  4; 
01889 const int CargoesField::VERT_CARGO_SPACE       =  4; 
01890 
01891 const int CargoesField::BLOB_DISTANCE =  5; 
01892 const int CargoesField::BLOB_WIDTH    = 12; 
01893 const int CargoesField::BLOB_HEIGHT   =  9; 
01894 
01896 const int CargoesField::CARGO_FIELD_WIDTH = HOR_CARGO_BORDER_SPACE * 2 + HOR_CARGO_WIDTH * MAX_CARGOES + HOR_CARGO_SPACE * (MAX_CARGOES - 1);
01897 
01898 const int CargoesField::INDUSTRY_LINE_COLOUR = PC_YELLOW; 
01899 const int CargoesField::CARGO_LINE_COLOUR    = PC_YELLOW; 
01900 
01902 struct CargoesRow {
01903   CargoesField columns[5]; 
01904 
01909   void ConnectIndustryProduced(int column)
01910   {
01911     CargoesField *ind_fld   = this->columns + column;
01912     CargoesField *cargo_fld = this->columns + column + 1;
01913     assert(ind_fld->type == CFT_INDUSTRY && cargo_fld->type == CFT_CARGO);
01914 
01915     MemSetT(ind_fld->u.industry.other_produced, INVALID_CARGO, MAX_CARGOES);
01916 
01917     if (ind_fld->u.industry.ind_type < NUM_INDUSTRYTYPES) {
01918       CargoID others[MAX_CARGOES]; // Produced cargoes not carried in the cargo column.
01919       int other_count = 0;
01920 
01921       const IndustrySpec *indsp = GetIndustrySpec(ind_fld->u.industry.ind_type);
01922       for (uint i = 0; i < lengthof(indsp->produced_cargo); i++) {
01923         int col = cargo_fld->ConnectCargo(indsp->produced_cargo[i], true);
01924         if (col < 0) others[other_count++] = indsp->produced_cargo[i];
01925       }
01926 
01927       /* Allocate other cargoes in the empty holes of the horizontal cargo connections. */
01928       for (uint i = 0; i < MAX_CARGOES && other_count > 0; i++) {
01929         if (cargo_fld->u.cargo.supp_cargoes[i] == INVALID_CARGO) ind_fld->u.industry.other_produced[i] = others[--other_count];
01930       }
01931     } else {
01932       /* Houses only display what is demanded. */
01933       for (uint i = 0; i < cargo_fld->u.cargo.num_cargoes; i++) {
01934         CargoID cid = cargo_fld->u.cargo.vertical_cargoes[i];
01935         if (cid == CT_PASSENGERS || cid == CT_MAIL) cargo_fld->ConnectCargo(cid, true);
01936       }
01937     }
01938   }
01939 
01945   void MakeCargoLabel(int column, bool accepting)
01946   {
01947     CargoID cargoes[MAX_CARGOES];
01948     MemSetT(cargoes, INVALID_CARGO, lengthof(cargoes));
01949 
01950     CargoesField *label_fld = this->columns + column;
01951     CargoesField *cargo_fld = this->columns + (accepting ? column - 1 : column + 1);
01952 
01953     assert(cargo_fld->type == CFT_CARGO && label_fld->type == CFT_EMPTY);
01954     for (uint i = 0; i < cargo_fld->u.cargo.num_cargoes; i++) {
01955       int col = cargo_fld->ConnectCargo(cargo_fld->u.cargo.vertical_cargoes[i], !accepting);
01956       cargoes[col] = cargo_fld->u.cargo.vertical_cargoes[i];
01957     }
01958     label_fld->MakeCargoLabel(cargoes, lengthof(cargoes), accepting);
01959   }
01960 
01961 
01966   void ConnectIndustryAccepted(int column)
01967   {
01968     CargoesField *ind_fld   = this->columns + column;
01969     CargoesField *cargo_fld = this->columns + column - 1;
01970     assert(ind_fld->type == CFT_INDUSTRY && cargo_fld->type == CFT_CARGO);
01971 
01972     MemSetT(ind_fld->u.industry.other_accepted, INVALID_CARGO, MAX_CARGOES);
01973 
01974     if (ind_fld->u.industry.ind_type < NUM_INDUSTRYTYPES) {
01975       CargoID others[MAX_CARGOES]; // Accepted cargoes not carried in the cargo column.
01976       int other_count = 0;
01977 
01978       const IndustrySpec *indsp = GetIndustrySpec(ind_fld->u.industry.ind_type);
01979       for (uint i = 0; i < lengthof(indsp->accepts_cargo); i++) {
01980         int col = cargo_fld->ConnectCargo(indsp->accepts_cargo[i], false);
01981         if (col < 0) others[other_count++] = indsp->accepts_cargo[i];
01982       }
01983 
01984       /* Allocate other cargoes in the empty holes of the horizontal cargo connections. */
01985       for (uint i = 0; i < MAX_CARGOES && other_count > 0; i++) {
01986         if (cargo_fld->u.cargo.cust_cargoes[i] == INVALID_CARGO) ind_fld->u.industry.other_accepted[i] = others[--other_count];
01987       }
01988     } else {
01989       /* Houses only display what is demanded. */
01990       for (uint i = 0; i < cargo_fld->u.cargo.num_cargoes; i++) {
01991         for (uint h = 0; h < HOUSE_MAX; h++) {
01992           HouseSpec *hs = HouseSpec::Get(h);
01993           if (!hs->enabled) continue;
01994 
01995           for (uint j = 0; j < lengthof(hs->accepts_cargo); j++) {
01996             if (cargo_fld->u.cargo.vertical_cargoes[i] == hs->accepts_cargo[j]) {
01997               cargo_fld->ConnectCargo(cargo_fld->u.cargo.vertical_cargoes[i], false);
01998               goto next_cargo;
01999             }
02000           }
02001         }
02002 next_cargo: ;
02003       }
02004     }
02005   }
02006 };
02007 
02008 
02036 struct IndustryCargoesWindow : public Window {
02037   static const int HOR_TEXT_PADDING, VERT_TEXT_PADDING;
02038 
02039   typedef SmallVector<CargoesRow, 4> Fields;
02040 
02041   Fields fields;  
02042   uint ind_cargo; 
02043   Dimension cargo_textsize; 
02044   Dimension ind_textsize;   
02045   Scrollbar *vscroll;
02046 
02047   IndustryCargoesWindow(int id) : Window()
02048   {
02049     this->OnInit();
02050     this->CreateNestedTree(&_industry_cargoes_desc);
02051     this->vscroll = this->GetScrollbar(WID_IC_SCROLLBAR);
02052     this->FinishInitNested(&_industry_cargoes_desc, 0);
02053     this->OnInvalidateData(id);
02054   }
02055 
02056   virtual void OnInit()
02057   {
02058     /* Initialize static CargoesField size variables. */
02059     Dimension d = GetStringBoundingBox(STR_INDUSTRY_CARGOES_PRODUCERS);
02060     d = maxdim(d, GetStringBoundingBox(STR_INDUSTRY_CARGOES_CUSTOMERS));
02061     d.width  += WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT;
02062     d.height += WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM;
02063     CargoesField::small_height = d.height;
02064 
02065     /* Decide about the size of the box holding the text of an industry type. */
02066     this->ind_textsize.width = 0;
02067     this->ind_textsize.height = 0;
02068     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
02069       const IndustrySpec *indsp = GetIndustrySpec(it);
02070       if (!indsp->enabled) continue;
02071       this->ind_textsize = maxdim(this->ind_textsize, GetStringBoundingBox(indsp->name));
02072     }
02073     d.width = max(d.width, this->ind_textsize.width);
02074     d.height = this->ind_textsize.height;
02075     this->ind_textsize = maxdim(this->ind_textsize, GetStringBoundingBox(STR_INDUSTRY_CARGOES_SELECT_INDUSTRY));
02076 
02077     /* Compute max size of the cargo texts. */
02078     this->cargo_textsize.width = 0;
02079     this->cargo_textsize.height = 0;
02080     for (uint i = 0; i < NUM_CARGO; i++) {
02081       const CargoSpec *csp = CargoSpec::Get(i);
02082       if (!csp->IsValid()) continue;
02083       this->cargo_textsize = maxdim(this->cargo_textsize, GetStringBoundingBox(csp->name));
02084     }
02085     d = maxdim(d, this->cargo_textsize); // Box must also be wide enough to hold any cargo label.
02086     this->cargo_textsize = maxdim(this->cargo_textsize, GetStringBoundingBox(STR_INDUSTRY_CARGOES_SELECT_CARGO));
02087 
02088     d.width  += 2 * HOR_TEXT_PADDING;
02089     /* Ensure the height is enough for the industry type text, for the horizontal connections, and for the cargo labels. */
02090     uint min_ind_height = CargoesField::VERT_CARGO_EDGE * 2 + MAX_CARGOES * FONT_HEIGHT_NORMAL + (MAX_CARGOES - 1) *  CargoesField::VERT_CARGO_SPACE;
02091     d.height = max(d.height + 2 * VERT_TEXT_PADDING, min_ind_height);
02092 
02093     CargoesField::industry_width = d.width;
02094     CargoesField::normal_height = d.height + CargoesField::VERT_INTER_INDUSTRY_SPACE;
02095   }
02096 
02097   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
02098   {
02099     switch (widget) {
02100       case WID_IC_PANEL:
02101         size->width = WD_FRAMETEXT_LEFT + CargoesField::industry_width * 3 + CargoesField::CARGO_FIELD_WIDTH * 2 + WD_FRAMETEXT_RIGHT;
02102         break;
02103 
02104       case WID_IC_IND_DROPDOWN:
02105         size->width = max(size->width, this->ind_textsize.width + padding.width);
02106         break;
02107 
02108       case WID_IC_CARGO_DROPDOWN:
02109         size->width = max(size->width, this->cargo_textsize.width + padding.width);
02110         break;
02111     }
02112   }
02113 
02114 
02115   CargoesFieldType type; 
02116   virtual void SetStringParameters  (int widget) const
02117   {
02118     if (widget != WID_IC_CAPTION) return;
02119 
02120     if (this->ind_cargo < NUM_INDUSTRYTYPES) {
02121       const IndustrySpec *indsp = GetIndustrySpec(this->ind_cargo);
02122       SetDParam(0, indsp->name);
02123     } else {
02124       const CargoSpec *csp = CargoSpec::Get(this->ind_cargo - NUM_INDUSTRYTYPES);
02125       SetDParam(0, csp->name);
02126     }
02127   }
02128 
02137   static bool HasCommonValidCargo(const CargoID *cargoes1, uint length1, const CargoID *cargoes2, uint length2)
02138   {
02139     while (length1 > 0) {
02140       if (*cargoes1 != INVALID_CARGO) {
02141         for (uint i = 0; i < length2; i++) if (*cargoes1 == cargoes2[i]) return true;
02142       }
02143       cargoes1++;
02144       length1--;
02145     }
02146     return false;
02147   }
02148 
02155   static bool HousesCanSupply(const CargoID *cargoes, uint length)
02156   {
02157     for (uint i = 0; i < length; i++) {
02158       if (cargoes[i] == INVALID_CARGO) continue;
02159       if (cargoes[i] == CT_PASSENGERS || cargoes[i] == CT_MAIL) return true;
02160     }
02161     return false;
02162   }
02163 
02170   static bool HousesCanAccept(const CargoID *cargoes, uint length)
02171   {
02172     HouseZones climate_mask;
02173     switch (_settings_game.game_creation.landscape) {
02174       case LT_TEMPERATE: climate_mask = HZ_TEMP; break;
02175       case LT_ARCTIC:    climate_mask = HZ_SUBARTC_ABOVE | HZ_SUBARTC_BELOW; break;
02176       case LT_TROPIC:    climate_mask = HZ_SUBTROPIC; break;
02177       case LT_TOYLAND:   climate_mask = HZ_TOYLND; break;
02178       default: NOT_REACHED();
02179     }
02180     for (uint i = 0; i < length; i++) {
02181       if (cargoes[i] == INVALID_CARGO) continue;
02182 
02183       for (uint h = 0; h < HOUSE_MAX; h++) {
02184         HouseSpec *hs = HouseSpec::Get(h);
02185         if (!hs->enabled || !(hs->building_availability & climate_mask)) continue;
02186 
02187         for (uint j = 0; j < lengthof(hs->accepts_cargo); j++) {
02188           if (cargoes[i] == hs->accepts_cargo[j]) return true;
02189         }
02190       }
02191     }
02192     return false;
02193   }
02194 
02201   static int CountMatchingAcceptingIndustries(const CargoID *cargoes, uint length)
02202   {
02203     int count = 0;
02204     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
02205       const IndustrySpec *indsp = GetIndustrySpec(it);
02206       if (!indsp->enabled) continue;
02207 
02208       if (HasCommonValidCargo(cargoes, length, indsp->accepts_cargo, lengthof(indsp->accepts_cargo))) count++;
02209     }
02210     return count;
02211   }
02212 
02219   static int CountMatchingProducingIndustries(const CargoID *cargoes, uint length)
02220   {
02221     int count = 0;
02222     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
02223       const IndustrySpec *indsp = GetIndustrySpec(it);
02224       if (!indsp->enabled) continue;
02225 
02226       if (HasCommonValidCargo(cargoes, length, indsp->produced_cargo, lengthof(indsp->produced_cargo))) count++;
02227     }
02228     return count;
02229   }
02230 
02237   void ShortenCargoColumn(int column, int top, int bottom)
02238   {
02239     while (top < bottom && !this->fields[top].columns[column].HasConnection()) {
02240       this->fields[top].columns[column].MakeEmpty(CFT_EMPTY);
02241       top++;
02242     }
02243     this->fields[top].columns[column].u.cargo.top_end = true;
02244 
02245     while (bottom > top && !this->fields[bottom].columns[column].HasConnection()) {
02246       this->fields[bottom].columns[column].MakeEmpty(CFT_EMPTY);
02247       bottom--;
02248     }
02249     this->fields[bottom].columns[column].u.cargo.bottom_end = true;
02250   }
02251 
02258   void PlaceIndustry(int row, int col, IndustryType it)
02259   {
02260     assert(this->fields[row].columns[col].type == CFT_EMPTY);
02261     this->fields[row].columns[col].MakeIndustry(it);
02262     if (col == 0) {
02263       this->fields[row].ConnectIndustryProduced(col);
02264     } else {
02265       this->fields[row].ConnectIndustryAccepted(col);
02266     }
02267   }
02268 
02272   void NotifySmallmap()
02273   {
02274     if (!this->IsWidgetLowered(WID_IC_NOTIFY)) return;
02275 
02276     /* Only notify the smallmap window if it exists. In particular, do not
02277      * bring it to the front to prevent messing up any nice layout of the user. */
02278     InvalidateWindowClassesData(WC_SMALLMAP, 0);
02279   }
02280 
02285   void ComputeIndustryDisplay(IndustryType it)
02286   {
02287     this->GetWidget<NWidgetCore>(WID_IC_CAPTION)->widget_data = STR_INDUSTRY_CARGOES_INDUSTRY_CAPTION;
02288     this->ind_cargo = it;
02289     _displayed_industries = 1ULL << it;
02290 
02291     this->fields.Clear();
02292     CargoesRow *row = this->fields.Append();
02293     row->columns[0].MakeHeader(STR_INDUSTRY_CARGOES_PRODUCERS);
02294     row->columns[1].MakeEmpty(CFT_SMALL_EMPTY);
02295     row->columns[2].MakeEmpty(CFT_SMALL_EMPTY);
02296     row->columns[3].MakeEmpty(CFT_SMALL_EMPTY);
02297     row->columns[4].MakeHeader(STR_INDUSTRY_CARGOES_CUSTOMERS);
02298 
02299     const IndustrySpec *central_sp = GetIndustrySpec(it);
02300     bool houses_supply = HousesCanSupply(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo));
02301     bool houses_accept = HousesCanAccept(central_sp->produced_cargo, lengthof(central_sp->produced_cargo));
02302     /* Make a field consisting of two cargo columns. */
02303     int num_supp = CountMatchingProducingIndustries(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo)) + houses_supply;
02304     int num_cust = CountMatchingAcceptingIndustries(central_sp->produced_cargo, lengthof(central_sp->produced_cargo)) + houses_accept;
02305     int num_indrows = max(3, max(num_supp, num_cust)); // One is needed for the 'it' industry, and 2 for the cargo labels.
02306     for (int i = 0; i < num_indrows; i++) {
02307       CargoesRow *row = this->fields.Append();
02308       row->columns[0].MakeEmpty(CFT_EMPTY);
02309       row->columns[1].MakeCargo(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo));
02310       row->columns[2].MakeEmpty(CFT_EMPTY);
02311       row->columns[3].MakeCargo(central_sp->produced_cargo, lengthof(central_sp->produced_cargo));
02312       row->columns[4].MakeEmpty(CFT_EMPTY);
02313     }
02314     /* Add central industry. */
02315     int central_row = 1 + num_indrows / 2;
02316     this->fields[central_row].columns[2].MakeIndustry(it);
02317     this->fields[central_row].ConnectIndustryProduced(2);
02318     this->fields[central_row].ConnectIndustryAccepted(2);
02319 
02320     /* Add cargo labels. */
02321     this->fields[central_row - 1].MakeCargoLabel(2, true);
02322     this->fields[central_row + 1].MakeCargoLabel(2, false);
02323 
02324     /* Add suppliers and customers of the 'it' industry. */
02325     int supp_count = 0;
02326     int cust_count = 0;
02327     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
02328       const IndustrySpec *indsp = GetIndustrySpec(it);
02329       if (!indsp->enabled) continue;
02330 
02331       if (HasCommonValidCargo(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo), indsp->produced_cargo, lengthof(indsp->produced_cargo))) {
02332         this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, it);
02333         SetBit(_displayed_industries, it);
02334         supp_count++;
02335       }
02336       if (HasCommonValidCargo(central_sp->produced_cargo, lengthof(central_sp->produced_cargo), indsp->accepts_cargo, lengthof(indsp->accepts_cargo))) {
02337         this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 4, it);
02338         SetBit(_displayed_industries, it);
02339         cust_count++;
02340       }
02341     }
02342     if (houses_supply) {
02343       this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, NUM_INDUSTRYTYPES);
02344       supp_count++;
02345     }
02346     if (houses_accept) {
02347       this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 4, NUM_INDUSTRYTYPES);
02348       cust_count++;
02349     }
02350 
02351     this->ShortenCargoColumn(1, 1, num_indrows);
02352     this->ShortenCargoColumn(3, 1, num_indrows);
02353     const NWidgetBase *nwp = this->GetWidget<NWidgetBase>(WID_IC_PANEL);
02354     this->vscroll->SetCount(CeilDiv(WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM + CargoesField::small_height + num_indrows * CargoesField::normal_height, nwp->resize_y));
02355     this->SetDirty();
02356     this->NotifySmallmap();
02357   }
02358 
02363   void ComputeCargoDisplay(CargoID cid)
02364   {
02365     this->GetWidget<NWidgetCore>(WID_IC_CAPTION)->widget_data = STR_INDUSTRY_CARGOES_CARGO_CAPTION;
02366     this->ind_cargo = cid + NUM_INDUSTRYTYPES;
02367     _displayed_industries = 0;
02368 
02369     this->fields.Clear();
02370     CargoesRow *row = this->fields.Append();
02371     row->columns[0].MakeHeader(STR_INDUSTRY_CARGOES_PRODUCERS);
02372     row->columns[1].MakeEmpty(CFT_SMALL_EMPTY);
02373     row->columns[2].MakeHeader(STR_INDUSTRY_CARGOES_CUSTOMERS);
02374     row->columns[3].MakeEmpty(CFT_SMALL_EMPTY);
02375     row->columns[4].MakeEmpty(CFT_SMALL_EMPTY);
02376 
02377     bool houses_supply = HousesCanSupply(&cid, 1);
02378     bool houses_accept = HousesCanAccept(&cid, 1);
02379     int num_supp = CountMatchingProducingIndustries(&cid, 1) + houses_supply + 1; // Ensure room for the cargo label.
02380     int num_cust = CountMatchingAcceptingIndustries(&cid, 1) + houses_accept;
02381     int num_indrows = max(num_supp, num_cust);
02382     for (int i = 0; i < num_indrows; i++) {
02383       CargoesRow *row = this->fields.Append();
02384       row->columns[0].MakeEmpty(CFT_EMPTY);
02385       row->columns[1].MakeCargo(&cid, 1);
02386       row->columns[2].MakeEmpty(CFT_EMPTY);
02387       row->columns[3].MakeEmpty(CFT_EMPTY);
02388       row->columns[4].MakeEmpty(CFT_EMPTY);
02389     }
02390 
02391     this->fields[num_indrows].MakeCargoLabel(0, false); // Add cargo labels at the left bottom.
02392 
02393     /* Add suppliers and customers of the cargo. */
02394     int supp_count = 0;
02395     int cust_count = 0;
02396     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
02397       const IndustrySpec *indsp = GetIndustrySpec(it);
02398       if (!indsp->enabled) continue;
02399 
02400       if (HasCommonValidCargo(&cid, 1, indsp->produced_cargo, lengthof(indsp->produced_cargo))) {
02401         this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, it);
02402         SetBit(_displayed_industries, it);
02403         supp_count++;
02404       }
02405       if (HasCommonValidCargo(&cid, 1, indsp->accepts_cargo, lengthof(indsp->accepts_cargo))) {
02406         this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 2, it);
02407         SetBit(_displayed_industries, it);
02408         cust_count++;
02409       }
02410     }
02411     if (houses_supply) {
02412       this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, NUM_INDUSTRYTYPES);
02413       supp_count++;
02414     }
02415     if (houses_accept) {
02416       this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 2, NUM_INDUSTRYTYPES);
02417       cust_count++;
02418     }
02419 
02420     this->ShortenCargoColumn(1, 1, num_indrows);
02421     const NWidgetBase *nwp = this->GetWidget<NWidgetBase>(WID_IC_PANEL);
02422     this->vscroll->SetCount(CeilDiv(WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM + CargoesField::small_height + num_indrows * CargoesField::normal_height, nwp->resize_y));
02423     this->SetDirty();
02424     this->NotifySmallmap();
02425   }
02426 
02434   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
02435   {
02436     if (!gui_scope) return;
02437     if (data == NUM_INDUSTRYTYPES) {
02438       if (this->IsWidgetLowered(WID_IC_NOTIFY)) {
02439         this->RaiseWidget(WID_IC_NOTIFY);
02440         this->SetWidgetDirty(WID_IC_NOTIFY);
02441       }
02442       return;
02443     }
02444 
02445     assert(data >= 0 && data < NUM_INDUSTRYTYPES);
02446     this->ComputeIndustryDisplay(data);
02447   }
02448 
02449   virtual void DrawWidget(const Rect &r, int widget) const
02450   {
02451     if (widget != WID_IC_PANEL) return;
02452 
02453     DrawPixelInfo tmp_dpi, *old_dpi;
02454     int width = r.right - r.left + 1;
02455     int height = r.bottom - r.top + 1 - WD_FRAMERECT_TOP - WD_FRAMERECT_BOTTOM;
02456     if (!FillDrawPixelInfo(&tmp_dpi, r.left + WD_FRAMERECT_LEFT, r.top + WD_FRAMERECT_TOP, width, height)) return;
02457     old_dpi = _cur_dpi;
02458     _cur_dpi = &tmp_dpi;
02459 
02460     int left_pos = WD_FRAMERECT_LEFT;
02461     if (this->ind_cargo >= NUM_INDUSTRYTYPES) left_pos += (CargoesField::industry_width + CargoesField::CARGO_FIELD_WIDTH) / 2;
02462     int last_column = (this->ind_cargo < NUM_INDUSTRYTYPES) ? 4 : 2;
02463 
02464     const NWidgetBase *nwp = this->GetWidget<NWidgetBase>(WID_IC_PANEL);
02465     int vpos = -this->vscroll->GetPosition() * nwp->resize_y;
02466     for (uint i = 0; i < this->fields.Length(); i++) {
02467       int row_height = (i == 0) ? CargoesField::small_height : CargoesField::normal_height;
02468       if (vpos + row_height >= 0) {
02469         int xpos = left_pos;
02470         int col, dir;
02471         if (_current_text_dir == TD_RTL) {
02472           col = last_column;
02473           dir = -1;
02474         } else {
02475           col = 0;
02476           dir = 1;
02477         }
02478         while (col >= 0 && col <= last_column) {
02479           this->fields[i].columns[col].Draw(xpos, vpos);
02480           xpos += (col & 1) ? CargoesField::CARGO_FIELD_WIDTH : CargoesField::industry_width;
02481           col += dir;
02482         }
02483       }
02484       vpos += row_height;
02485       if (vpos >= height) break;
02486     }
02487 
02488     _cur_dpi = old_dpi;
02489   }
02490 
02498   bool CalculatePositionInWidget(Point pt, Point *fieldxy, Point *xy)
02499   {
02500     const NWidgetBase *nw = this->GetWidget<NWidgetBase>(WID_IC_PANEL);
02501     pt.x -= nw->pos_x;
02502     pt.y -= nw->pos_y;
02503 
02504     int vpos = WD_FRAMERECT_TOP + CargoesField::small_height - this->vscroll->GetPosition() * nw->resize_y;
02505     if (pt.y < vpos) return false;
02506 
02507     int row = (pt.y - vpos) / CargoesField::normal_height; // row is relative to row 1.
02508     if (row + 1 >= (int)this->fields.Length()) return false;
02509     vpos = pt.y - vpos - row * CargoesField::normal_height; // Position in the row + 1 field
02510     row++; // rebase row to match index of this->fields.
02511 
02512     int xpos = 2 * WD_FRAMERECT_LEFT + ((this->ind_cargo < NUM_INDUSTRYTYPES) ? 0 :  (CargoesField::industry_width + CargoesField::CARGO_FIELD_WIDTH) / 2);
02513     if (pt.x < xpos) return false;
02514     int column;
02515     for (column = 0; column <= 5; column++) {
02516       int width = (column & 1) ? CargoesField::CARGO_FIELD_WIDTH : CargoesField::industry_width;
02517       if (pt.x < xpos + width) break;
02518       xpos += width;
02519     }
02520     int num_columns = (this->ind_cargo < NUM_INDUSTRYTYPES) ? 4 : 2;
02521     if (column > num_columns) return false;
02522     xpos = pt.x - xpos;
02523 
02524     /* Return both positions, compensating for RTL languages (which works due to the equal symmetry in both displays). */
02525     fieldxy->y = row;
02526     xy->y = vpos;
02527     if (_current_text_dir == TD_RTL) {
02528       fieldxy->x = num_columns - column;
02529       xy->x = ((column & 1) ? CargoesField::CARGO_FIELD_WIDTH : CargoesField::industry_width) - xpos;
02530     } else {
02531       fieldxy->x = column;
02532       xy->x = xpos;
02533     }
02534     return true;
02535   }
02536 
02537   virtual void OnClick(Point pt, int widget, int click_count)
02538   {
02539     switch (widget) {
02540       case WID_IC_PANEL: {
02541         Point fieldxy, xy;
02542         if (!CalculatePositionInWidget(pt, &fieldxy, &xy)) return;
02543 
02544         const CargoesField *fld = this->fields[fieldxy.y].columns + fieldxy.x;
02545         switch (fld->type) {
02546           case CFT_INDUSTRY:
02547             if (fld->u.industry.ind_type < NUM_INDUSTRYTYPES) this->ComputeIndustryDisplay(fld->u.industry.ind_type);
02548             break;
02549 
02550           case CFT_CARGO: {
02551             CargoesField *lft = (fieldxy.x > 0) ? this->fields[fieldxy.y].columns + fieldxy.x - 1 : NULL;
02552             CargoesField *rgt = (fieldxy.x < 4) ? this->fields[fieldxy.y].columns + fieldxy.x + 1 : NULL;
02553             CargoID cid = fld->CargoClickedAt(lft, rgt, xy);
02554             if (cid != INVALID_CARGO) this->ComputeCargoDisplay(cid);
02555             break;
02556           }
02557 
02558           case CFT_CARGO_LABEL: {
02559             CargoID cid = fld->CargoLabelClickedAt(xy);
02560             if (cid != INVALID_CARGO) this->ComputeCargoDisplay(cid);
02561             break;
02562           }
02563 
02564           default:
02565             break;
02566         }
02567         break;
02568       }
02569 
02570       case WID_IC_NOTIFY:
02571         this->ToggleWidgetLoweredState(WID_IC_NOTIFY);
02572         this->SetWidgetDirty(WID_IC_NOTIFY);
02573         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
02574 
02575         if (this->IsWidgetLowered(WID_IC_NOTIFY)) {
02576           if (FindWindowByClass(WC_SMALLMAP) == NULL) ShowSmallMap();
02577           this->NotifySmallmap();
02578         }
02579         break;
02580 
02581       case WID_IC_CARGO_DROPDOWN: {
02582         DropDownList *lst = new DropDownList;
02583         const CargoSpec *cs;
02584         FOR_ALL_SORTED_STANDARD_CARGOSPECS(cs) {
02585           lst->push_back(new DropDownListStringItem(cs->name, cs->Index(), false));
02586         }
02587         if (lst->size() == 0) {
02588           delete lst;
02589           break;
02590         }
02591         int selected = (this->ind_cargo >= NUM_INDUSTRYTYPES) ? (int)(this->ind_cargo - NUM_INDUSTRYTYPES) : -1;
02592         ShowDropDownList(this, lst, selected, WID_IC_CARGO_DROPDOWN, 0, true);
02593         break;
02594       }
02595 
02596       case WID_IC_IND_DROPDOWN: {
02597         DropDownList *lst = new DropDownList;
02598         for (uint8 i = 0; i < NUM_INDUSTRYTYPES; i++) {
02599           IndustryType ind = _sorted_industry_types[i];
02600           const IndustrySpec *indsp = GetIndustrySpec(ind);
02601           if (!indsp->enabled) continue;
02602           lst->push_back(new DropDownListStringItem(indsp->name, ind, false));
02603         }
02604         if (lst->size() == 0) {
02605           delete lst;
02606           break;
02607         }
02608         int selected = (this->ind_cargo < NUM_INDUSTRYTYPES) ? (int)this->ind_cargo : -1;
02609         ShowDropDownList(this, lst, selected, WID_IC_IND_DROPDOWN, 0, true);
02610         break;
02611       }
02612     }
02613   }
02614 
02615   virtual void OnDropdownSelect(int widget, int index)
02616   {
02617     if (index < 0) return;
02618 
02619     switch (widget) {
02620       case WID_IC_CARGO_DROPDOWN:
02621         this->ComputeCargoDisplay(index);
02622         break;
02623 
02624       case WID_IC_IND_DROPDOWN:
02625         this->ComputeIndustryDisplay(index);
02626         break;
02627     }
02628   }
02629 
02630   virtual void OnHover(Point pt, int widget)
02631   {
02632     if (widget != WID_IC_PANEL) return;
02633 
02634     Point fieldxy, xy;
02635     if (!CalculatePositionInWidget(pt, &fieldxy, &xy)) return;
02636 
02637     const CargoesField *fld = this->fields[fieldxy.y].columns + fieldxy.x;
02638     CargoID cid = INVALID_CARGO;
02639     switch (fld->type) {
02640       case CFT_CARGO: {
02641         CargoesField *lft = (fieldxy.x > 0) ? this->fields[fieldxy.y].columns + fieldxy.x - 1 : NULL;
02642         CargoesField *rgt = (fieldxy.x < 4) ? this->fields[fieldxy.y].columns + fieldxy.x + 1 : NULL;
02643         cid = fld->CargoClickedAt(lft, rgt, xy);
02644         break;
02645       }
02646 
02647       case CFT_CARGO_LABEL: {
02648         cid = fld->CargoLabelClickedAt(xy);
02649         break;
02650       }
02651 
02652       case CFT_INDUSTRY:
02653         if (fld->u.industry.ind_type < NUM_INDUSTRYTYPES && (this->ind_cargo >= NUM_INDUSTRYTYPES || fieldxy.x != 2)) {
02654           GuiShowTooltips(this, STR_INDUSTRY_CARGOES_INDUSTRY_TOOLTIP, 0, NULL, TCC_HOVER);
02655         }
02656         return;
02657 
02658       default:
02659         break;
02660     }
02661     if (cid != INVALID_CARGO && (this->ind_cargo < NUM_INDUSTRYTYPES || cid != this->ind_cargo - NUM_INDUSTRYTYPES)) {
02662       const CargoSpec *csp = CargoSpec::Get(cid);
02663       uint64 params[5];
02664       params[0] = csp->name;
02665       GuiShowTooltips(this, STR_INDUSTRY_CARGOES_CARGO_TOOLTIP, 1, params, TCC_HOVER);
02666     }
02667   }
02668 
02669   virtual void OnResize()
02670   {
02671     this->vscroll->SetCapacityFromWidget(this, WID_IC_PANEL);
02672   }
02673 };
02674 
02675 const int IndustryCargoesWindow::HOR_TEXT_PADDING  = 5; 
02676 const int IndustryCargoesWindow::VERT_TEXT_PADDING = 5; 
02677 
02682 static void ShowIndustryCargoesWindow(IndustryType id)
02683 {
02684   if (id >= NUM_INDUSTRYTYPES) {
02685     for (uint8 i = 0; i < NUM_INDUSTRYTYPES; i++) {
02686       const IndustrySpec *indsp = GetIndustrySpec(_sorted_industry_types[i]);
02687       if (indsp->enabled) {
02688         id = _sorted_industry_types[i];
02689         break;
02690       }
02691     }
02692     if (id >= NUM_INDUSTRYTYPES) return;
02693   }
02694 
02695   Window *w = BringWindowToFrontById(WC_INDUSTRY_CARGOES, 0);
02696   if (w != NULL) {
02697     w->InvalidateData(id);
02698     return;
02699   }
02700   new IndustryCargoesWindow(id);
02701 }
02702 
02704 void ShowIndustryCargoesWindow()
02705 {
02706   ShowIndustryCargoesWindow(NUM_INDUSTRYTYPES);
02707 }