industry_gui.cpp

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00001 /* $Id: industry_gui.cpp 26086 2013-11-24 14:46:26Z 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_DEFSIZEBOX, COLOUR_DARK_GREEN),
00174     NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
00175   EndContainer(),
00176   NWidget(NWID_HORIZONTAL),
00177     NWidget(WWT_MATRIX, COLOUR_DARK_GREEN, WID_DPI_MATRIX_WIDGET), SetMatrixDataTip(1, 0, STR_FUND_INDUSTRY_SELECTION_TOOLTIP), SetFill(1, 0), SetResize(1, 1), SetScrollbar(WID_DPI_SCROLLBAR),
00178     NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_DPI_SCROLLBAR),
00179   EndContainer(),
00180   NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_DPI_INFOPANEL), SetResize(1, 0),
00181   EndContainer(),
00182   NWidget(NWID_HORIZONTAL),
00183     NWidget(WWT_TEXTBTN, COLOUR_DARK_GREEN, WID_DPI_DISPLAY_WIDGET), SetFill(1, 0), SetResize(1, 0),
00184         SetDataTip(STR_INDUSTRY_DISPLAY_CHAIN, STR_INDUSTRY_DISPLAY_CHAIN_TOOLTIP),
00185     NWidget(WWT_TEXTBTN, COLOUR_DARK_GREEN, WID_DPI_FUND_WIDGET), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_JUST_STRING, STR_NULL),
00186     NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
00187   EndContainer(),
00188 };
00189 
00191 static WindowDesc _build_industry_desc(
00192   WDP_AUTO, "build_industry", 170, 212,
00193   WC_BUILD_INDUSTRY, WC_NONE,
00194   WDF_CONSTRUCTION,
00195   _nested_build_industry_widgets, lengthof(_nested_build_industry_widgets)
00196 );
00197 
00199 class BuildIndustryWindow : public Window {
00200   int selected_index;                         
00201   IndustryType selected_type;                 
00202   uint16 callback_timer;                      
00203   bool timer_enabled;                         
00204   uint16 count;                               
00205   IndustryType index[NUM_INDUSTRYTYPES + 1];  
00206   bool enabled[NUM_INDUSTRYTYPES + 1];        
00207   Scrollbar *vscroll;
00208 
00210   static const int MATRIX_TEXT_OFFSET = 17;
00211 
00212   void SetupArrays()
00213   {
00214     this->count = 0;
00215 
00216     for (uint i = 0; i < lengthof(this->index); i++) {
00217       this->index[i]   = INVALID_INDUSTRYTYPE;
00218       this->enabled[i] = false;
00219     }
00220 
00221     if (_game_mode == GM_EDITOR) { // give room for the Many Random "button"
00222       this->index[this->count] = INVALID_INDUSTRYTYPE;
00223       this->enabled[this->count] = true;
00224       this->count++;
00225       this->timer_enabled = false;
00226     }
00227     /* Fill the arrays with industries.
00228      * The tests performed after the enabled allow to load the industries
00229      * In the same way they are inserted by grf (if any)
00230      */
00231     for (uint8 i = 0; i < NUM_INDUSTRYTYPES; i++) {
00232       IndustryType ind = _sorted_industry_types[i];
00233       const IndustrySpec *indsp = GetIndustrySpec(ind);
00234       if (indsp->enabled) {
00235         /* Rule is that editor mode loads all industries.
00236          * In game mode, all non raw industries are loaded too
00237          * and raw ones are loaded only when setting allows it */
00238         if (_game_mode != GM_EDITOR && indsp->IsRawIndustry() && _settings_game.construction.raw_industry_construction == 0) {
00239           /* Unselect if the industry is no longer in the list */
00240           if (this->selected_type == ind) this->selected_index = -1;
00241           continue;
00242         }
00243         this->index[this->count] = ind;
00244         this->enabled[this->count] = (_game_mode == GM_EDITOR) || GetIndustryProbabilityCallback(ind, IACT_USERCREATION, 1) > 0;
00245         /* Keep the selection to the correct line */
00246         if (this->selected_type == ind) this->selected_index = this->count;
00247         this->count++;
00248       }
00249     }
00250 
00251     /* first industry type is selected if the current selection is invalid.
00252      * I'll be damned if there are none available ;) */
00253     if (this->selected_index == -1) {
00254       this->selected_index = 0;
00255       this->selected_type = this->index[0];
00256     }
00257 
00258     this->vscroll->SetCount(this->count);
00259   }
00260 
00262   void SetButtons()
00263   {
00264     this->SetWidgetDisabledState(WID_DPI_FUND_WIDGET, this->selected_type != INVALID_INDUSTRYTYPE && !this->enabled[this->selected_index]);
00265     this->SetWidgetDisabledState(WID_DPI_DISPLAY_WIDGET, this->selected_type == INVALID_INDUSTRYTYPE && this->enabled[this->selected_index]);
00266   }
00267 
00268 public:
00269   BuildIndustryWindow() : Window(&_build_industry_desc)
00270   {
00271     this->timer_enabled = _loaded_newgrf_features.has_newindustries;
00272 
00273     this->selected_index = -1;
00274     this->selected_type = INVALID_INDUSTRYTYPE;
00275 
00276     this->callback_timer = DAY_TICKS;
00277 
00278     this->CreateNestedTree();
00279     this->vscroll = this->GetScrollbar(WID_DPI_SCROLLBAR);
00280     this->FinishInitNested(0);
00281 
00282     this->SetButtons();
00283   }
00284 
00285   virtual void OnInit()
00286   {
00287     this->SetupArrays();
00288   }
00289 
00290   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00291   {
00292     switch (widget) {
00293       case WID_DPI_MATRIX_WIDGET: {
00294         Dimension d = GetStringBoundingBox(STR_FUND_INDUSTRY_MANY_RANDOM_INDUSTRIES);
00295         for (byte i = 0; i < this->count; i++) {
00296           if (this->index[i] == INVALID_INDUSTRYTYPE) continue;
00297           d = maxdim(d, GetStringBoundingBox(GetIndustrySpec(this->index[i])->name));
00298         }
00299         resize->height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
00300         d.width += MATRIX_TEXT_OFFSET + padding.width;
00301         d.height = 5 * resize->height;
00302         *size = maxdim(*size, d);
00303         break;
00304       }
00305 
00306       case WID_DPI_INFOPANEL: {
00307         /* Extra line for cost outside of editor + extra lines for 'extra' information for NewGRFs. */
00308         int height = 2 + (_game_mode == GM_EDITOR ? 0 : 1) + (_loaded_newgrf_features.has_newindustries ? 4 : 0);
00309         Dimension d = {0, 0};
00310         for (byte i = 0; i < this->count; i++) {
00311           if (this->index[i] == INVALID_INDUSTRYTYPE) continue;
00312 
00313           const IndustrySpec *indsp = GetIndustrySpec(this->index[i]);
00314 
00315           char cargo_suffix[3][512];
00316           GetAllCargoSuffixes(0, CST_FUND, NULL, this->index[i], indsp, indsp->accepts_cargo, cargo_suffix);
00317           StringID str = STR_INDUSTRY_VIEW_REQUIRES_CARGO;
00318           byte p = 0;
00319           SetDParam(0, STR_JUST_NOTHING);
00320           SetDParamStr(1, "");
00321           for (byte j = 0; j < lengthof(indsp->accepts_cargo); j++) {
00322             if (indsp->accepts_cargo[j] == CT_INVALID) continue;
00323             if (p > 0) str++;
00324             SetDParam(p++, CargoSpec::Get(indsp->accepts_cargo[j])->name);
00325             SetDParamStr(p++, cargo_suffix[j]);
00326           }
00327           d = maxdim(d, GetStringBoundingBox(str));
00328 
00329           /* Draw the produced cargoes, if any. Otherwise, will print "Nothing". */
00330           GetAllCargoSuffixes(3, CST_FUND, NULL, this->index[i], indsp, indsp->produced_cargo, cargo_suffix);
00331           str = STR_INDUSTRY_VIEW_PRODUCES_CARGO;
00332           p = 0;
00333           SetDParam(0, STR_JUST_NOTHING);
00334           SetDParamStr(1, "");
00335           for (byte j = 0; j < lengthof(indsp->produced_cargo); j++) {
00336             if (indsp->produced_cargo[j] == CT_INVALID) continue;
00337             if (p > 0) str++;
00338             SetDParam(p++, CargoSpec::Get(indsp->produced_cargo[j])->name);
00339             SetDParamStr(p++, cargo_suffix[j]);
00340           }
00341           d = maxdim(d, GetStringBoundingBox(str));
00342         }
00343 
00344         /* Set it to something more sane :) */
00345         size->height = height * FONT_HEIGHT_NORMAL + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
00346         size->width  = d.width + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
00347         break;
00348       }
00349 
00350       case WID_DPI_FUND_WIDGET: {
00351         Dimension d = GetStringBoundingBox(STR_FUND_INDUSTRY_BUILD_NEW_INDUSTRY);
00352         d = maxdim(d, GetStringBoundingBox(STR_FUND_INDUSTRY_PROSPECT_NEW_INDUSTRY));
00353         d = maxdim(d, GetStringBoundingBox(STR_FUND_INDUSTRY_FUND_NEW_INDUSTRY));
00354         d.width += padding.width;
00355         d.height += padding.height;
00356         *size = maxdim(*size, d);
00357         break;
00358       }
00359     }
00360   }
00361 
00362   virtual void SetStringParameters(int widget) const
00363   {
00364     switch (widget) {
00365       case WID_DPI_FUND_WIDGET:
00366         /* Raw industries might be prospected. Show this fact by changing the string
00367          * In Editor, you just build, while ingame, or you fund or you prospect */
00368         if (_game_mode == GM_EDITOR) {
00369           /* We've chosen many random industries but no industries have been specified */
00370           SetDParam(0, STR_FUND_INDUSTRY_BUILD_NEW_INDUSTRY);
00371         } else {
00372           const IndustrySpec *indsp = GetIndustrySpec(this->index[this->selected_index]);
00373           SetDParam(0, (_settings_game.construction.raw_industry_construction == 2 && indsp->IsRawIndustry()) ? STR_FUND_INDUSTRY_PROSPECT_NEW_INDUSTRY : STR_FUND_INDUSTRY_FUND_NEW_INDUSTRY);
00374         }
00375         break;
00376     }
00377   }
00378 
00379   virtual void DrawWidget(const Rect &r, int widget) const
00380   {
00381     switch (widget) {
00382       case WID_DPI_MATRIX_WIDGET: {
00383         uint text_left, text_right, icon_left, icon_right;
00384         if (_current_text_dir == TD_RTL) {
00385           icon_right = r.right    - WD_MATRIX_RIGHT;
00386           icon_left  = icon_right - 10;
00387           text_right = icon_right - BuildIndustryWindow::MATRIX_TEXT_OFFSET;
00388           text_left  = r.left     + WD_MATRIX_LEFT;
00389         } else {
00390           icon_left  = r.left     + WD_MATRIX_LEFT;
00391           icon_right = icon_left  + 10;
00392           text_left  = icon_left  + BuildIndustryWindow::MATRIX_TEXT_OFFSET;
00393           text_right = r.right    - WD_MATRIX_RIGHT;
00394         }
00395 
00396         for (byte i = 0; i < this->vscroll->GetCapacity() && i + this->vscroll->GetPosition() < this->count; i++) {
00397           int y = r.top + WD_MATRIX_TOP + i * this->resize.step_height;
00398           bool selected = this->selected_index == i + this->vscroll->GetPosition();
00399 
00400           if (this->index[i + this->vscroll->GetPosition()] == INVALID_INDUSTRYTYPE) {
00401             DrawString(text_left, text_right, y, STR_FUND_INDUSTRY_MANY_RANDOM_INDUSTRIES, selected ? TC_WHITE : TC_ORANGE);
00402             continue;
00403           }
00404           const IndustrySpec *indsp = GetIndustrySpec(this->index[i + this->vscroll->GetPosition()]);
00405 
00406           /* Draw the name of the industry in white is selected, otherwise, in orange */
00407           DrawString(text_left, text_right, y, indsp->name, selected ? TC_WHITE : TC_ORANGE);
00408           GfxFillRect(icon_left,     y + 1, icon_right,     y + 7, selected ? PC_WHITE : PC_BLACK);
00409           GfxFillRect(icon_left + 1, y + 2, icon_right - 1, y + 6, indsp->map_colour);
00410         }
00411         break;
00412       }
00413 
00414       case WID_DPI_INFOPANEL: {
00415         int y      = r.top    + WD_FRAMERECT_TOP;
00416         int bottom = r.bottom - WD_FRAMERECT_BOTTOM;
00417         int left   = r.left   + WD_FRAMERECT_LEFT;
00418         int right  = r.right  - WD_FRAMERECT_RIGHT;
00419 
00420         if (this->selected_type == INVALID_INDUSTRYTYPE) {
00421           DrawStringMultiLine(left, right, y,  bottom, STR_FUND_INDUSTRY_MANY_RANDOM_INDUSTRIES_TOOLTIP);
00422           break;
00423         }
00424 
00425         const IndustrySpec *indsp = GetIndustrySpec(this->selected_type);
00426 
00427         if (_game_mode != GM_EDITOR) {
00428           SetDParam(0, indsp->GetConstructionCost());
00429           DrawString(left, right, y, STR_FUND_INDUSTRY_INDUSTRY_BUILD_COST);
00430           y += FONT_HEIGHT_NORMAL;
00431         }
00432 
00433         /* Draw the accepted cargoes, if any. Otherwise, will print "Nothing". */
00434         char cargo_suffix[3][512];
00435         GetAllCargoSuffixes(0, CST_FUND, NULL, this->selected_type, indsp, indsp->accepts_cargo, cargo_suffix);
00436         StringID str = STR_INDUSTRY_VIEW_REQUIRES_CARGO;
00437         byte p = 0;
00438         SetDParam(0, STR_JUST_NOTHING);
00439         SetDParamStr(1, "");
00440         for (byte j = 0; j < lengthof(indsp->accepts_cargo); j++) {
00441           if (indsp->accepts_cargo[j] == CT_INVALID) continue;
00442           if (p > 0) str++;
00443           SetDParam(p++, CargoSpec::Get(indsp->accepts_cargo[j])->name);
00444           SetDParamStr(p++, cargo_suffix[j]);
00445         }
00446         DrawString(left, right, y, str);
00447         y += FONT_HEIGHT_NORMAL;
00448 
00449         /* Draw the produced cargoes, if any. Otherwise, will print "Nothing". */
00450         GetAllCargoSuffixes(3, CST_FUND, NULL, this->selected_type, indsp, indsp->produced_cargo, cargo_suffix);
00451         str = STR_INDUSTRY_VIEW_PRODUCES_CARGO;
00452         p = 0;
00453         SetDParam(0, STR_JUST_NOTHING);
00454         SetDParamStr(1, "");
00455         for (byte j = 0; j < lengthof(indsp->produced_cargo); j++) {
00456           if (indsp->produced_cargo[j] == CT_INVALID) continue;
00457           if (p > 0) str++;
00458           SetDParam(p++, CargoSpec::Get(indsp->produced_cargo[j])->name);
00459           SetDParamStr(p++, cargo_suffix[j]);
00460         }
00461         DrawString(left, right, y, str);
00462         y += FONT_HEIGHT_NORMAL;
00463 
00464         /* Get the additional purchase info text, if it has not already been queried. */
00465         str = STR_NULL;
00466         if (HasBit(indsp->callback_mask, CBM_IND_FUND_MORE_TEXT)) {
00467           uint16 callback_res = GetIndustryCallback(CBID_INDUSTRY_FUND_MORE_TEXT, 0, 0, NULL, this->selected_type, INVALID_TILE);
00468           if (callback_res != CALLBACK_FAILED && callback_res != 0x400) {
00469             if (callback_res > 0x400) {
00470               ErrorUnknownCallbackResult(indsp->grf_prop.grffile->grfid, CBID_INDUSTRY_FUND_MORE_TEXT, callback_res);
00471             } else {
00472               str = GetGRFStringID(indsp->grf_prop.grffile->grfid, 0xD000 + callback_res);  // No. here's the new string
00473               if (str != STR_UNDEFINED) {
00474                 StartTextRefStackUsage(6);
00475                 DrawStringMultiLine(left, right, y, bottom, str, TC_YELLOW);
00476                 StopTextRefStackUsage();
00477               }
00478             }
00479           }
00480         }
00481         break;
00482       }
00483     }
00484   }
00485 
00486   virtual void OnClick(Point pt, int widget, int click_count)
00487   {
00488     switch (widget) {
00489       case WID_DPI_MATRIX_WIDGET: {
00490         int y = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_DPI_MATRIX_WIDGET);
00491         if (y < this->count) { // Is it within the boundaries of available data?
00492           this->selected_index = y;
00493           this->selected_type = this->index[y];
00494           const IndustrySpec *indsp = (this->selected_type == INVALID_INDUSTRYTYPE) ? NULL : GetIndustrySpec(this->selected_type);
00495 
00496           this->SetDirty();
00497 
00498           if (_thd.GetCallbackWnd() == this &&
00499               ((_game_mode != GM_EDITOR && _settings_game.construction.raw_industry_construction == 2 && indsp != NULL && indsp->IsRawIndustry()) ||
00500               this->selected_type == INVALID_INDUSTRYTYPE ||
00501               !this->enabled[this->selected_index])) {
00502             /* Reset the button state if going to prospecting or "build many industries" */
00503             this->RaiseButtons();
00504             ResetObjectToPlace();
00505           }
00506 
00507           this->SetButtons();
00508           if (this->enabled[this->selected_index] && click_count > 1) this->OnClick(pt, WID_DPI_FUND_WIDGET, 1);
00509         }
00510         break;
00511       }
00512 
00513       case WID_DPI_DISPLAY_WIDGET:
00514         if (this->selected_type != INVALID_INDUSTRYTYPE) ShowIndustryCargoesWindow(this->selected_type);
00515         break;
00516 
00517       case WID_DPI_FUND_WIDGET: {
00518         if (this->selected_type == INVALID_INDUSTRYTYPE) {
00519           this->HandleButtonClick(WID_DPI_FUND_WIDGET);
00520 
00521           if (Town::GetNumItems() == 0) {
00522             ShowErrorMessage(STR_ERROR_CAN_T_GENERATE_INDUSTRIES, STR_ERROR_MUST_FOUND_TOWN_FIRST, WL_INFO);
00523           } else {
00524             extern void GenerateIndustries();
00525             _generating_world = true;
00526             GenerateIndustries();
00527             _generating_world = false;
00528           }
00529         } else if (_game_mode != GM_EDITOR && _settings_game.construction.raw_industry_construction == 2 && GetIndustrySpec(this->selected_type)->IsRawIndustry()) {
00530           DoCommandP(0, this->selected_type, InteractiveRandom(), CMD_BUILD_INDUSTRY | CMD_MSG(STR_ERROR_CAN_T_CONSTRUCT_THIS_INDUSTRY));
00531           this->HandleButtonClick(WID_DPI_FUND_WIDGET);
00532         } else {
00533           HandlePlacePushButton(this, WID_DPI_FUND_WIDGET, SPR_CURSOR_INDUSTRY, HT_RECT);
00534         }
00535         break;
00536       }
00537     }
00538   }
00539 
00540   virtual void OnResize()
00541   {
00542     /* Adjust the number of items in the matrix depending of the resize */
00543     this->vscroll->SetCapacityFromWidget(this, WID_DPI_MATRIX_WIDGET);
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(WindowDesc *desc, WindowNumber window_number) : Window(desc)
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(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 (i->prod_level == PRODLEVEL_CLOSURE) {
00717       DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_INDUSTRY_ANNOUNCED_CLOSURE);
00718       y += 2 * FONT_HEIGHT_NORMAL;
00719     }
00720 
00721     if (HasBit(ind->callback_mask, CBM_IND_PRODUCTION_CARGO_ARRIVAL) || HasBit(ind->callback_mask, CBM_IND_PRODUCTION_256_TICKS)) {
00722       GetAllCargoSuffixes(0, CST_VIEW, i, i->type, ind, i->accepts_cargo, cargo_suffix);
00723       for (byte j = 0; j < lengthof(i->accepts_cargo); j++) {
00724         if (i->accepts_cargo[j] == CT_INVALID) continue;
00725         has_accept = true;
00726         if (first) {
00727           DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_WAITING_FOR_PROCESSING);
00728           y += FONT_HEIGHT_NORMAL;
00729           first = false;
00730         }
00731         SetDParam(0, i->accepts_cargo[j]);
00732         SetDParam(1, i->incoming_cargo_waiting[j]);
00733         SetDParamStr(2, cargo_suffix[j]);
00734         DrawString(left + WD_FRAMETEXT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_WAITING_STOCKPILE_CARGO);
00735         y += FONT_HEIGHT_NORMAL;
00736       }
00737     } else {
00738       GetAllCargoSuffixes(0, CST_VIEW, i, i->type, ind, i->accepts_cargo, cargo_suffix);
00739       StringID str = STR_INDUSTRY_VIEW_REQUIRES_CARGO;
00740       byte p = 0;
00741       for (byte j = 0; j < lengthof(i->accepts_cargo); j++) {
00742         if (i->accepts_cargo[j] == CT_INVALID) continue;
00743         has_accept = true;
00744         if (p > 0) str++;
00745         SetDParam(p++, CargoSpec::Get(i->accepts_cargo[j])->name);
00746         SetDParamStr(p++, cargo_suffix[j]);
00747       }
00748       if (has_accept) {
00749         DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, str);
00750         y += FONT_HEIGHT_NORMAL;
00751       }
00752     }
00753 
00754     GetAllCargoSuffixes(3, CST_VIEW, i, i->type, ind, i->produced_cargo, cargo_suffix);
00755     first = true;
00756     for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
00757       if (i->produced_cargo[j] == CT_INVALID) continue;
00758       if (first) {
00759         if (has_accept) y += WD_PAR_VSEP_WIDE;
00760         DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_PRODUCTION_LAST_MONTH_TITLE);
00761         y += FONT_HEIGHT_NORMAL;
00762         if (this->editable == EA_RATE) this->production_offset_y = y;
00763         first = false;
00764       }
00765 
00766       SetDParam(0, i->produced_cargo[j]);
00767       SetDParam(1, i->last_month_production[j]);
00768       SetDParamStr(2, cargo_suffix[j]);
00769       SetDParam(3, ToPercent8(i->last_month_pct_transported[j]));
00770       uint x = left + WD_FRAMETEXT_LEFT + (this->editable == EA_RATE ? SETTING_BUTTON_WIDTH + 10 : 0);
00771       DrawString(x, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_TRANSPORTED);
00772       /* Let's put out those buttons.. */
00773       if (this->editable == EA_RATE) {
00774         DrawArrowButtons(left + WD_FRAMETEXT_LEFT, y, COLOUR_YELLOW, (this->clicked_line == IL_RATE1 + j) ? this->clicked_button : 0,
00775             i->production_rate[j] > 0, i->production_rate[j] < 255);
00776       }
00777       y += FONT_HEIGHT_NORMAL;
00778     }
00779 
00780     /* Display production multiplier if editable */
00781     if (this->editable == EA_MULTIPLIER) {
00782       y += WD_PAR_VSEP_WIDE;
00783       this->production_offset_y = y;
00784       SetDParam(0, RoundDivSU(i->prod_level * 100, PRODLEVEL_DEFAULT));
00785       uint x = left + WD_FRAMETEXT_LEFT + SETTING_BUTTON_WIDTH + 10;
00786       DrawString(x, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_PRODUCTION_LEVEL);
00787       DrawArrowButtons(left + WD_FRAMETEXT_LEFT, y, COLOUR_YELLOW, (this->clicked_line == IL_MULTIPLIER) ? this->clicked_button : 0,
00788           i->prod_level > PRODLEVEL_MINIMUM, i->prod_level < PRODLEVEL_MAXIMUM);
00789       y += FONT_HEIGHT_NORMAL;
00790     }
00791 
00792     /* Get the extra message for the GUI */
00793     if (HasBit(ind->callback_mask, CBM_IND_WINDOW_MORE_TEXT)) {
00794       uint16 callback_res = GetIndustryCallback(CBID_INDUSTRY_WINDOW_MORE_TEXT, 0, 0, i, i->type, i->location.tile);
00795       if (callback_res != CALLBACK_FAILED && callback_res != 0x400) {
00796         if (callback_res > 0x400) {
00797           ErrorUnknownCallbackResult(ind->grf_prop.grffile->grfid, CBID_INDUSTRY_WINDOW_MORE_TEXT, callback_res);
00798         } else {
00799           StringID message = GetGRFStringID(ind->grf_prop.grffile->grfid, 0xD000 + callback_res);
00800           if (message != STR_NULL && message != STR_UNDEFINED) {
00801             y += WD_PAR_VSEP_WIDE;
00802 
00803             StartTextRefStackUsage(6);
00804             /* Use all the available space left from where we stand up to the
00805              * end of the window. We ALSO enlarge the window if needed, so we
00806              * can 'go' wild with the bottom of the window. */
00807             y = DrawStringMultiLine(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, UINT16_MAX, message, TC_BLACK);
00808             StopTextRefStackUsage();
00809           }
00810         }
00811       }
00812     }
00813     return y + WD_FRAMERECT_BOTTOM;
00814   }
00815 
00816   virtual void SetStringParameters(int widget) const
00817   {
00818     if (widget == WID_IV_CAPTION) SetDParam(0, this->window_number);
00819   }
00820 
00821   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00822   {
00823     if (widget == WID_IV_INFO) size->height = this->info_height;
00824   }
00825 
00826   virtual void OnClick(Point pt, int widget, int click_count)
00827   {
00828     switch (widget) {
00829       case WID_IV_INFO: {
00830         Industry *i = Industry::Get(this->window_number);
00831         InfoLine line = IL_NONE;
00832 
00833         switch (this->editable) {
00834           case EA_NONE: break;
00835 
00836           case EA_MULTIPLIER:
00837             if (IsInsideBS(pt.y, this->production_offset_y, FONT_HEIGHT_NORMAL)) line = IL_MULTIPLIER;
00838             break;
00839 
00840           case EA_RATE:
00841             if (pt.y >= this->production_offset_y) {
00842               int row = (pt.y - this->production_offset_y) / FONT_HEIGHT_NORMAL;
00843               for (uint j = 0; j < lengthof(i->produced_cargo); j++) {
00844                 if (i->produced_cargo[j] == CT_INVALID) continue;
00845                 row--;
00846                 if (row < 0) {
00847                   line = (InfoLine)(IL_RATE1 + j);
00848                   break;
00849                 }
00850               }
00851             }
00852             break;
00853         }
00854         if (line == IL_NONE) return;
00855 
00856         NWidgetBase *nwi = this->GetWidget<NWidgetBase>(widget);
00857         int left = nwi->pos_x + WD_FRAMETEXT_LEFT;
00858         int right = nwi->pos_x + nwi->current_x - 1 - WD_FRAMERECT_RIGHT;
00859         if (IsInsideMM(pt.x, left, left + SETTING_BUTTON_WIDTH)) {
00860           /* Clicked buttons, decrease or increase production */
00861           byte button = (pt.x < left + SETTING_BUTTON_WIDTH / 2) ? 1 : 2;
00862           switch (this->editable) {
00863             case EA_MULTIPLIER:
00864               if (button == 1) {
00865                 if (i->prod_level <= PRODLEVEL_MINIMUM) return;
00866                 i->prod_level = max<uint>(i->prod_level / 2, PRODLEVEL_MINIMUM);
00867               } else {
00868                 if (i->prod_level >= PRODLEVEL_MAXIMUM) return;
00869                 i->prod_level = minu(i->prod_level * 2, PRODLEVEL_MAXIMUM);
00870               }
00871               break;
00872 
00873             case EA_RATE:
00874               if (button == 1) {
00875                 if (i->production_rate[line - IL_RATE1] <= 0) return;
00876                 i->production_rate[line - IL_RATE1] = max(i->production_rate[line - IL_RATE1] / 2, 0);
00877               } else {
00878                 if (i->production_rate[line - IL_RATE1] >= 255) return;
00879                 /* a zero production industry is unlikely to give anything but zero, so push it a little bit */
00880                 int new_prod = i->production_rate[line - IL_RATE1] == 0 ? 1 : i->production_rate[line - IL_RATE1] * 2;
00881                 i->production_rate[line - IL_RATE1] = minu(new_prod, 255);
00882               }
00883               break;
00884 
00885             default: NOT_REACHED();
00886           }
00887 
00888           UpdateIndustryProduction(i);
00889           this->SetDirty();
00890           this->SetTimeout();
00891           this->clicked_line = line;
00892           this->clicked_button = button;
00893         } else if (IsInsideMM(pt.x, left + SETTING_BUTTON_WIDTH + 10, right)) {
00894           /* clicked the text */
00895           this->editbox_line = line;
00896           switch (this->editable) {
00897             case EA_MULTIPLIER:
00898               SetDParam(0, RoundDivSU(i->prod_level * 100, PRODLEVEL_DEFAULT));
00899               ShowQueryString(STR_JUST_INT, STR_CONFIG_GAME_PRODUCTION_LEVEL, 10, this, CS_ALPHANUMERAL, QSF_NONE);
00900               break;
00901 
00902             case EA_RATE:
00903               SetDParam(0, i->production_rate[line - IL_RATE1] * 8);
00904               ShowQueryString(STR_JUST_INT, STR_CONFIG_GAME_PRODUCTION, 10, this, CS_ALPHANUMERAL, QSF_NONE);
00905               break;
00906 
00907             default: NOT_REACHED();
00908           }
00909         }
00910         break;
00911       }
00912 
00913       case WID_IV_GOTO: {
00914         Industry *i = Industry::Get(this->window_number);
00915         if (_ctrl_pressed) {
00916           ShowExtraViewPortWindow(i->location.GetCenterTile());
00917         } else {
00918           ScrollMainWindowToTile(i->location.GetCenterTile());
00919         }
00920         break;
00921       }
00922 
00923       case WID_IV_DISPLAY: {
00924         Industry *i = Industry::Get(this->window_number);
00925         ShowIndustryCargoesWindow(i->type);
00926         break;
00927       }
00928     }
00929   }
00930 
00931   virtual void OnTimeout()
00932   {
00933     this->clicked_line = IL_NONE;
00934     this->clicked_button = 0;
00935     this->SetDirty();
00936   }
00937 
00938   virtual void OnResize()
00939   {
00940     if (this->viewport != NULL) {
00941       NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(WID_IV_VIEWPORT);
00942       nvp->UpdateViewportCoordinates(this);
00943 
00944       ScrollWindowToTile(Industry::Get(this->window_number)->location.GetCenterTile(), this, true); // Re-center viewport.
00945     }
00946   }
00947 
00948   virtual void OnQueryTextFinished(char *str)
00949   {
00950     if (StrEmpty(str)) return;
00951 
00952     Industry *i = Industry::Get(this->window_number);
00953     uint value = atoi(str);
00954     switch (this->editbox_line) {
00955       case IL_NONE: NOT_REACHED();
00956 
00957       case IL_MULTIPLIER:
00958         i->prod_level = ClampU(RoundDivSU(value * PRODLEVEL_DEFAULT, 100), PRODLEVEL_MINIMUM, PRODLEVEL_MAXIMUM);
00959         break;
00960 
00961       default:
00962         i->production_rate[this->editbox_line - IL_RATE1] = ClampU(RoundDivSU(value, 8), 0, 255);
00963         break;
00964     }
00965     UpdateIndustryProduction(i);
00966     this->SetDirty();
00967   }
00968 
00974   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00975   {
00976     if (!gui_scope) return;
00977     const Industry *i = Industry::Get(this->window_number);
00978     if (IsProductionAlterable(i)) {
00979       const IndustrySpec *ind = GetIndustrySpec(i->type);
00980       this->editable = ind->UsesSmoothEconomy() ? EA_RATE : EA_MULTIPLIER;
00981     } else {
00982       this->editable = EA_NONE;
00983     }
00984   }
00985 
00986   virtual bool IsNewGRFInspectable() const
00987   {
00988     return ::IsNewGRFInspectable(GSF_INDUSTRIES, this->window_number);
00989   }
00990 
00991   virtual void ShowNewGRFInspectWindow() const
00992   {
00993 		::ShowNewGRFInspectWindow(GSF_INDUSTRIES, this->window_number);
00994   }
00995 };
00996 
00997 static void UpdateIndustryProduction(Industry *i)
00998 {
00999   const IndustrySpec *indspec = GetIndustrySpec(i->type);
01000   if (!indspec->UsesSmoothEconomy()) i->RecomputeProductionMultipliers();
01001 
01002   for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
01003     if (i->produced_cargo[j] != CT_INVALID) {
01004       i->last_month_production[j] = 8 * i->production_rate[j];
01005     }
01006   }
01007 }
01008 
01010 static const NWidgetPart _nested_industry_view_widgets[] = {
01011   NWidget(NWID_HORIZONTAL),
01012     NWidget(WWT_CLOSEBOX, COLOUR_CREAM),
01013     NWidget(WWT_CAPTION, COLOUR_CREAM, WID_IV_CAPTION), SetDataTip(STR_INDUSTRY_VIEW_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01014     NWidget(WWT_DEBUGBOX, COLOUR_CREAM),
01015     NWidget(WWT_SHADEBOX, COLOUR_CREAM),
01016     NWidget(WWT_DEFSIZEBOX, COLOUR_CREAM),
01017     NWidget(WWT_STICKYBOX, COLOUR_CREAM),
01018   EndContainer(),
01019   NWidget(WWT_PANEL, COLOUR_CREAM),
01020     NWidget(WWT_INSET, COLOUR_CREAM), SetPadding(2, 2, 2, 2),
01021       NWidget(NWID_VIEWPORT, INVALID_COLOUR, WID_IV_VIEWPORT), SetMinimalSize(254, 86), SetFill(1, 0), SetPadding(1, 1, 1, 1), SetResize(1, 1),
01022     EndContainer(),
01023   EndContainer(),
01024   NWidget(WWT_PANEL, COLOUR_CREAM, WID_IV_INFO), SetMinimalSize(260, 2), SetResize(1, 0),
01025   EndContainer(),
01026   NWidget(NWID_HORIZONTAL),
01027     NWidget(WWT_PUSHTXTBTN, COLOUR_CREAM, WID_IV_GOTO), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_BUTTON_LOCATION, STR_INDUSTRY_VIEW_LOCATION_TOOLTIP),
01028     NWidget(WWT_PUSHTXTBTN, COLOUR_CREAM, WID_IV_DISPLAY), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_INDUSTRY_DISPLAY_CHAIN, STR_INDUSTRY_DISPLAY_CHAIN_TOOLTIP),
01029     NWidget(WWT_RESIZEBOX, COLOUR_CREAM),
01030   EndContainer(),
01031 };
01032 
01034 static WindowDesc _industry_view_desc(
01035   WDP_AUTO, "view_industry", 260, 120,
01036   WC_INDUSTRY_VIEW, WC_NONE,
01037   0,
01038   _nested_industry_view_widgets, lengthof(_nested_industry_view_widgets)
01039 );
01040 
01041 void ShowIndustryViewWindow(int industry)
01042 {
01043   AllocateWindowDescFront<IndustryViewWindow>(&_industry_view_desc, industry);
01044 }
01045 
01047 static const NWidgetPart _nested_industry_directory_widgets[] = {
01048   NWidget(NWID_HORIZONTAL),
01049     NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
01050     NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_INDUSTRY_DIRECTORY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01051     NWidget(WWT_SHADEBOX, COLOUR_BROWN),
01052     NWidget(WWT_DEFSIZEBOX, COLOUR_BROWN),
01053     NWidget(WWT_STICKYBOX, COLOUR_BROWN),
01054   EndContainer(),
01055   NWidget(NWID_HORIZONTAL),
01056     NWidget(NWID_VERTICAL),
01057       NWidget(NWID_HORIZONTAL),
01058         NWidget(WWT_TEXTBTN, COLOUR_BROWN, WID_ID_DROPDOWN_ORDER), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
01059         NWidget(WWT_DROPDOWN, COLOUR_BROWN, WID_ID_DROPDOWN_CRITERIA), SetDataTip(STR_JUST_STRING, STR_TOOLTIP_SORT_CRITERIA),
01060         NWidget(WWT_PANEL, COLOUR_BROWN), SetResize(1, 0), EndContainer(),
01061       EndContainer(),
01062       NWidget(WWT_PANEL, COLOUR_BROWN, WID_ID_INDUSTRY_LIST), SetDataTip(0x0, STR_INDUSTRY_DIRECTORY_LIST_CAPTION), SetResize(1, 1), SetScrollbar(WID_ID_SCROLLBAR), EndContainer(),
01063     EndContainer(),
01064     NWidget(NWID_VERTICAL),
01065       NWidget(NWID_VSCROLLBAR, COLOUR_BROWN, WID_ID_SCROLLBAR),
01066       NWidget(WWT_RESIZEBOX, COLOUR_BROWN),
01067     EndContainer(),
01068   EndContainer(),
01069 };
01070 
01071 typedef GUIList<const Industry*> GUIIndustryList;
01072 
01073 
01077 class IndustryDirectoryWindow : public Window {
01078 protected:
01079   /* Runtime saved values */
01080   static Listing last_sorting;
01081   static const Industry *last_industry;
01082 
01083   /* Constants for sorting stations */
01084   static const StringID sorter_names[];
01085   static GUIIndustryList::SortFunction * const sorter_funcs[];
01086 
01087   GUIIndustryList industries;
01088   Scrollbar *vscroll;
01089 
01091   void BuildSortIndustriesList()
01092   {
01093     if (this->industries.NeedRebuild()) {
01094       this->industries.Clear();
01095 
01096       const Industry *i;
01097       FOR_ALL_INDUSTRIES(i) {
01098         *this->industries.Append() = i;
01099       }
01100 
01101       this->industries.Compact();
01102       this->industries.RebuildDone();
01103       this->vscroll->SetCount(this->industries.Length()); // Update scrollbar as well.
01104     }
01105 
01106     if (!this->industries.Sort()) return;
01107     IndustryDirectoryWindow::last_industry = NULL; // Reset name sorter sort cache
01108     this->SetWidgetDirty(WID_ID_INDUSTRY_LIST); // Set the modified widget dirty
01109   }
01110 
01118   static inline int GetCargoTransportedPercentsIfValid(const Industry *i, uint id)
01119   {
01120     assert(id < lengthof(i->produced_cargo));
01121 
01122     if (i->produced_cargo[id] == CT_INVALID) return 101;
01123     return ToPercent8(i->last_month_pct_transported[id]);
01124   }
01125 
01133   static int GetCargoTransportedSortValue(const Industry *i)
01134   {
01135     int p1 = GetCargoTransportedPercentsIfValid(i, 0);
01136     int p2 = GetCargoTransportedPercentsIfValid(i, 1);
01137 
01138     if (p1 > p2) Swap(p1, p2); // lower value has higher priority
01139 
01140     return (p1 << 8) + p2;
01141   }
01142 
01144   static int CDECL IndustryNameSorter(const Industry * const *a, const Industry * const *b)
01145   {
01146     static char buf_cache[96];
01147     static char buf[96];
01148 
01149     SetDParam(0, (*a)->index);
01150     GetString(buf, STR_INDUSTRY_NAME, lastof(buf));
01151 
01152     if (*b != last_industry) {
01153       last_industry = *b;
01154       SetDParam(0, (*b)->index);
01155       GetString(buf_cache, STR_INDUSTRY_NAME, lastof(buf_cache));
01156     }
01157 
01158     return strnatcmp(buf, buf_cache); // Sort by name (natural sorting).
01159   }
01160 
01162   static int CDECL IndustryTypeSorter(const Industry * const *a, const Industry * const *b)
01163   {
01164     int it_a = 0;
01165     while (it_a != NUM_INDUSTRYTYPES && (*a)->type != _sorted_industry_types[it_a]) it_a++;
01166     int it_b = 0;
01167     while (it_b != NUM_INDUSTRYTYPES && (*b)->type != _sorted_industry_types[it_b]) it_b++;
01168     int r = it_a - it_b;
01169     return (r == 0) ? IndustryNameSorter(a, b) : r;
01170   }
01171 
01173   static int CDECL IndustryProductionSorter(const Industry * const *a, const Industry * const *b)
01174   {
01175     uint prod_a = 0, prod_b = 0;
01176     for (uint i = 0; i < lengthof((*a)->produced_cargo); i++) {
01177       if ((*a)->produced_cargo[i] != CT_INVALID) prod_a += (*a)->last_month_production[i];
01178       if ((*b)->produced_cargo[i] != CT_INVALID) prod_b += (*b)->last_month_production[i];
01179     }
01180     int r = prod_a - prod_b;
01181 
01182     return (r == 0) ? IndustryTypeSorter(a, b) : r;
01183   }
01184 
01186   static int CDECL IndustryTransportedCargoSorter(const Industry * const *a, const Industry * const *b)
01187   {
01188     int r = GetCargoTransportedSortValue(*a) - GetCargoTransportedSortValue(*b);
01189     return (r == 0) ? IndustryNameSorter(a, b) : r;
01190   }
01191 
01197   StringID GetIndustryString(const Industry *i) const
01198   {
01199     const IndustrySpec *indsp = GetIndustrySpec(i->type);
01200     byte p = 0;
01201 
01202     /* Industry name */
01203     SetDParam(p++, i->index);
01204 
01205     static char cargo_suffix[lengthof(i->produced_cargo)][512];
01206     GetAllCargoSuffixes(3, CST_DIR, i, i->type, indsp, i->produced_cargo, cargo_suffix);
01207 
01208     /* Industry productions */
01209     for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
01210       if (i->produced_cargo[j] == CT_INVALID) continue;
01211       SetDParam(p++, i->produced_cargo[j]);
01212       SetDParam(p++, i->last_month_production[j]);
01213       SetDParamStr(p++, cargo_suffix[j]);
01214     }
01215 
01216     /* Transported productions */
01217     for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
01218       if (i->produced_cargo[j] == CT_INVALID) continue;
01219       SetDParam(p++, ToPercent8(i->last_month_pct_transported[j]));
01220     }
01221 
01222     /* Drawing the right string */
01223     switch (p) {
01224       case 1:  return STR_INDUSTRY_DIRECTORY_ITEM_NOPROD;
01225       case 5:  return STR_INDUSTRY_DIRECTORY_ITEM;
01226       default: return STR_INDUSTRY_DIRECTORY_ITEM_TWO;
01227     }
01228   }
01229 
01230 public:
01231   IndustryDirectoryWindow(WindowDesc *desc, WindowNumber number) : Window(desc)
01232   {
01233     this->CreateNestedTree();
01234     this->vscroll = this->GetScrollbar(WID_ID_SCROLLBAR);
01235 
01236     this->industries.SetListing(this->last_sorting);
01237     this->industries.SetSortFuncs(IndustryDirectoryWindow::sorter_funcs);
01238     this->industries.ForceRebuild();
01239     this->BuildSortIndustriesList();
01240 
01241     this->FinishInitNested(0);
01242   }
01243 
01244   ~IndustryDirectoryWindow()
01245   {
01246     this->last_sorting = this->industries.GetListing();
01247   }
01248 
01249   virtual void SetStringParameters(int widget) const
01250   {
01251     if (widget == WID_ID_DROPDOWN_CRITERIA) SetDParam(0, IndustryDirectoryWindow::sorter_names[this->industries.SortType()]);
01252   }
01253 
01254   virtual void DrawWidget(const Rect &r, int widget) const
01255   {
01256     switch (widget) {
01257       case WID_ID_DROPDOWN_ORDER:
01258         this->DrawSortButtonState(widget, this->industries.IsDescSortOrder() ? SBS_DOWN : SBS_UP);
01259         break;
01260 
01261       case WID_ID_INDUSTRY_LIST: {
01262         int n = 0;
01263         int y = r.top + WD_FRAMERECT_TOP;
01264         if (this->industries.Length() == 0) {
01265           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_DIRECTORY_NONE);
01266           break;
01267         }
01268         for (uint i = this->vscroll->GetPosition(); i < this->industries.Length(); i++) {
01269           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, this->GetIndustryString(this->industries[i]));
01270 
01271           y += this->resize.step_height;
01272           if (++n == this->vscroll->GetCapacity()) break; // max number of industries in 1 window
01273         }
01274         break;
01275       }
01276     }
01277   }
01278 
01279   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01280   {
01281     switch (widget) {
01282       case WID_ID_DROPDOWN_ORDER: {
01283         Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
01284         d.width += padding.width + WD_SORTBUTTON_ARROW_WIDTH * 2; // Doubled since the string is centred and it also looks better.
01285         d.height += padding.height;
01286         *size = maxdim(*size, d);
01287         break;
01288       }
01289 
01290       case WID_ID_DROPDOWN_CRITERIA: {
01291         Dimension d = {0, 0};
01292         for (uint i = 0; IndustryDirectoryWindow::sorter_names[i] != INVALID_STRING_ID; i++) {
01293           d = maxdim(d, GetStringBoundingBox(IndustryDirectoryWindow::sorter_names[i]));
01294         }
01295         d.width += padding.width;
01296         d.height += padding.height;
01297         *size = maxdim(*size, d);
01298         break;
01299       }
01300 
01301       case WID_ID_INDUSTRY_LIST: {
01302         Dimension d = GetStringBoundingBox(STR_INDUSTRY_DIRECTORY_NONE);
01303         for (uint i = 0; i < this->industries.Length(); i++) {
01304           d = maxdim(d, GetStringBoundingBox(this->GetIndustryString(this->industries[i])));
01305         }
01306         resize->height = d.height;
01307         d.height *= 5;
01308         d.width += padding.width + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
01309         d.height += padding.height + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
01310         *size = maxdim(*size, d);
01311         break;
01312       }
01313     }
01314   }
01315 
01316 
01317   virtual void OnClick(Point pt, int widget, int click_count)
01318   {
01319     switch (widget) {
01320       case WID_ID_DROPDOWN_ORDER:
01321         this->industries.ToggleSortOrder();
01322         this->SetDirty();
01323         break;
01324 
01325       case WID_ID_DROPDOWN_CRITERIA:
01326         ShowDropDownMenu(this, IndustryDirectoryWindow::sorter_names, this->industries.SortType(), WID_ID_DROPDOWN_CRITERIA, 0, 0);
01327         break;
01328 
01329       case WID_ID_INDUSTRY_LIST: {
01330         uint p = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_ID_INDUSTRY_LIST, WD_FRAMERECT_TOP);
01331         if (p < this->industries.Length()) {
01332           if (_ctrl_pressed) {
01333             ShowExtraViewPortWindow(this->industries[p]->location.tile);
01334           } else {
01335             ScrollMainWindowToTile(this->industries[p]->location.tile);
01336           }
01337         }
01338         break;
01339       }
01340     }
01341   }
01342 
01343   virtual void OnDropdownSelect(int widget, int index)
01344   {
01345     if (this->industries.SortType() != index) {
01346       this->industries.SetSortType(index);
01347       this->BuildSortIndustriesList();
01348     }
01349   }
01350 
01351   virtual void OnResize()
01352   {
01353     this->vscroll->SetCapacityFromWidget(this, WID_ID_INDUSTRY_LIST);
01354   }
01355 
01356   virtual void OnPaint()
01357   {
01358     if (this->industries.NeedRebuild()) this->BuildSortIndustriesList();
01359     this->DrawWidgets();
01360   }
01361 
01362   virtual void OnHundredthTick()
01363   {
01364     this->industries.ForceResort();
01365     this->BuildSortIndustriesList();
01366   }
01367 
01373   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
01374   {
01375     if (data == 0) {
01376       /* This needs to be done in command-scope to enforce rebuilding before resorting invalid data */
01377       this->industries.ForceRebuild();
01378     } else {
01379       this->industries.ForceResort();
01380     }
01381   }
01382 };
01383 
01384 Listing IndustryDirectoryWindow::last_sorting = {false, 0};
01385 const Industry *IndustryDirectoryWindow::last_industry = NULL;
01386 
01387 /* Available station sorting functions. */
01388 GUIIndustryList::SortFunction * const IndustryDirectoryWindow::sorter_funcs[] = {
01389   &IndustryNameSorter,
01390   &IndustryTypeSorter,
01391   &IndustryProductionSorter,
01392   &IndustryTransportedCargoSorter
01393 };
01394 
01395 /* Names of the sorting functions */
01396 const StringID IndustryDirectoryWindow::sorter_names[] = {
01397   STR_SORT_BY_NAME,
01398   STR_SORT_BY_TYPE,
01399   STR_SORT_BY_PRODUCTION,
01400   STR_SORT_BY_TRANSPORTED,
01401   INVALID_STRING_ID
01402 };
01403 
01404 
01406 static WindowDesc _industry_directory_desc(
01407   WDP_AUTO, "list_industries", 428, 190,
01408   WC_INDUSTRY_DIRECTORY, WC_NONE,
01409   0,
01410   _nested_industry_directory_widgets, lengthof(_nested_industry_directory_widgets)
01411 );
01412 
01413 void ShowIndustryDirectory()
01414 {
01415   AllocateWindowDescFront<IndustryDirectoryWindow>(&_industry_directory_desc, 0);
01416 }
01417 
01419 static const NWidgetPart _nested_industry_cargoes_widgets[] = {
01420   NWidget(NWID_HORIZONTAL),
01421     NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
01422     NWidget(WWT_CAPTION, COLOUR_BROWN, WID_IC_CAPTION), SetDataTip(STR_INDUSTRY_CARGOES_INDUSTRY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01423     NWidget(WWT_SHADEBOX, COLOUR_BROWN),
01424     NWidget(WWT_DEFSIZEBOX, COLOUR_BROWN),
01425     NWidget(WWT_STICKYBOX, COLOUR_BROWN),
01426   EndContainer(),
01427   NWidget(NWID_HORIZONTAL),
01428     NWidget(NWID_VERTICAL),
01429       NWidget(WWT_PANEL, COLOUR_BROWN, WID_IC_PANEL), SetResize(1, 10), SetMinimalSize(200, 90), SetScrollbar(WID_IC_SCROLLBAR), EndContainer(),
01430       NWidget(NWID_HORIZONTAL),
01431         NWidget(WWT_TEXTBTN, COLOUR_BROWN, WID_IC_NOTIFY),
01432           SetDataTip(STR_INDUSTRY_CARGOES_NOTIFY_SMALLMAP, STR_INDUSTRY_CARGOES_NOTIFY_SMALLMAP_TOOLTIP),
01433         NWidget(WWT_PANEL, COLOUR_BROWN), SetFill(1, 0), SetResize(0, 0), EndContainer(),
01434         NWidget(WWT_DROPDOWN, COLOUR_BROWN, WID_IC_IND_DROPDOWN), SetFill(0, 0), SetResize(0, 0),
01435             SetDataTip(STR_INDUSTRY_CARGOES_SELECT_INDUSTRY, STR_INDUSTRY_CARGOES_SELECT_INDUSTRY_TOOLTIP),
01436         NWidget(WWT_DROPDOWN, COLOUR_BROWN, WID_IC_CARGO_DROPDOWN), SetFill(0, 0), SetResize(0, 0),
01437             SetDataTip(STR_INDUSTRY_CARGOES_SELECT_CARGO, STR_INDUSTRY_CARGOES_SELECT_CARGO_TOOLTIP),
01438       EndContainer(),
01439     EndContainer(),
01440     NWidget(NWID_VERTICAL),
01441       NWidget(NWID_VSCROLLBAR, COLOUR_BROWN, WID_IC_SCROLLBAR),
01442       NWidget(WWT_RESIZEBOX, COLOUR_BROWN),
01443     EndContainer(),
01444   EndContainer(),
01445 };
01446 
01448 static WindowDesc _industry_cargoes_desc(
01449   WDP_AUTO, "industry_cargoes", 300, 210,
01450   WC_INDUSTRY_CARGOES, WC_NONE,
01451   0,
01452   _nested_industry_cargoes_widgets, lengthof(_nested_industry_cargoes_widgets)
01453 );
01454 
01456 enum CargoesFieldType {
01457   CFT_EMPTY,       
01458   CFT_SMALL_EMPTY, 
01459   CFT_INDUSTRY,    
01460   CFT_CARGO,       
01461   CFT_CARGO_LABEL, 
01462   CFT_HEADER,      
01463 };
01464 
01465 static const uint MAX_CARGOES = 3; 
01466 
01468 struct CargoesField {
01469   static const int VERT_INTER_INDUSTRY_SPACE;
01470   static const int HOR_CARGO_BORDER_SPACE;
01471   static const int CARGO_STUB_WIDTH;
01472   static const int HOR_CARGO_WIDTH, HOR_CARGO_SPACE;
01473   static const int CARGO_FIELD_WIDTH;
01474   static const int VERT_CARGO_SPACE, VERT_CARGO_EDGE;
01475   static const int BLOB_DISTANCE, BLOB_WIDTH, BLOB_HEIGHT;
01476 
01477   static const int INDUSTRY_LINE_COLOUR;
01478   static const int CARGO_LINE_COLOUR;
01479 
01480   static int small_height, normal_height;
01481   static int industry_width;
01482 
01483   CargoesFieldType type; 
01484   union {
01485     struct {
01486       IndustryType ind_type;                 
01487       CargoID other_produced[MAX_CARGOES];   
01488       CargoID other_accepted[MAX_CARGOES];   
01489     } industry; 
01490     struct {
01491       CargoID vertical_cargoes[MAX_CARGOES]; 
01492       byte num_cargoes;                      
01493       CargoID supp_cargoes[MAX_CARGOES];     
01494       byte top_end;                          
01495       CargoID cust_cargoes[MAX_CARGOES];     
01496       byte bottom_end;                       
01497     } cargo; 
01498     struct {
01499       CargoID cargoes[MAX_CARGOES];          
01500       bool left_align;                       
01501     } cargo_label;   
01502     StringID header; 
01503   } u; // Data for each type.
01504 
01509   void MakeEmpty(CargoesFieldType type)
01510   {
01511     this->type = type;
01512   }
01513 
01519   void MakeIndustry(IndustryType ind_type)
01520   {
01521     this->type = CFT_INDUSTRY;
01522     this->u.industry.ind_type = ind_type;
01523     MemSetT(this->u.industry.other_accepted, INVALID_CARGO, MAX_CARGOES);
01524     MemSetT(this->u.industry.other_produced, INVALID_CARGO, MAX_CARGOES);
01525   }
01526 
01533   int ConnectCargo(CargoID cargo, bool producer)
01534   {
01535     assert(this->type == CFT_CARGO);
01536     if (cargo == INVALID_CARGO) return -1;
01537 
01538     /* Find the vertical cargo column carrying the cargo. */
01539     int column = -1;
01540     for (int i = 0; i < this->u.cargo.num_cargoes; i++) {
01541       if (cargo == this->u.cargo.vertical_cargoes[i]) {
01542         column = i;
01543         break;
01544       }
01545     }
01546     if (column < 0) return -1;
01547 
01548     if (producer) {
01549       assert(this->u.cargo.supp_cargoes[column] == INVALID_CARGO);
01550       this->u.cargo.supp_cargoes[column]  = column;
01551     } else {
01552       assert(this->u.cargo.cust_cargoes[column] == INVALID_CARGO);
01553       this->u.cargo.cust_cargoes[column] = column;
01554     }
01555     return column;
01556   }
01557 
01562   bool HasConnection()
01563   {
01564     assert(this->type == CFT_CARGO);
01565 
01566     for (uint i = 0; i < MAX_CARGOES; i++) {
01567       if (this->u.cargo.supp_cargoes[i] != INVALID_CARGO) return true;
01568       if (this->u.cargo.cust_cargoes[i] != INVALID_CARGO) return true;
01569     }
01570     return false;
01571   }
01572 
01582   void MakeCargo(const CargoID *cargoes, uint length, int count = -1, bool top_end = false, bool bottom_end = false)
01583   {
01584     this->type = CFT_CARGO;
01585     uint i;
01586     uint num = 0;
01587     for (i = 0; i < MAX_CARGOES && i < length; i++) {
01588       if (cargoes[i] != INVALID_CARGO) {
01589         this->u.cargo.vertical_cargoes[num] = cargoes[i];
01590         num++;
01591       }
01592     }
01593     this->u.cargo.num_cargoes = (count < 0) ? num : count;
01594     for (; num < MAX_CARGOES; num++) this->u.cargo.vertical_cargoes[num] = INVALID_CARGO;
01595     this->u.cargo.top_end = top_end;
01596     this->u.cargo.bottom_end = bottom_end;
01597     MemSetT(this->u.cargo.supp_cargoes, INVALID_CARGO, MAX_CARGOES);
01598     MemSetT(this->u.cargo.cust_cargoes, INVALID_CARGO, MAX_CARGOES);
01599   }
01600 
01607   void MakeCargoLabel(const CargoID *cargoes, uint length, bool left_align)
01608   {
01609     this->type = CFT_CARGO_LABEL;
01610     uint i;
01611     for (i = 0; i < MAX_CARGOES && i < length; i++) this->u.cargo_label.cargoes[i] = cargoes[i];
01612     for (; i < MAX_CARGOES; i++) this->u.cargo_label.cargoes[i] = INVALID_CARGO;
01613     this->u.cargo_label.left_align = left_align;
01614   }
01615 
01620   void MakeHeader(StringID textid)
01621   {
01622     this->type = CFT_HEADER;
01623     this->u.header = textid;
01624   }
01625 
01631   int GetCargoBase(int xpos) const
01632   {
01633     assert(this->type == CFT_CARGO);
01634 
01635     switch (this->u.cargo.num_cargoes) {
01636       case 0: return xpos + CARGO_FIELD_WIDTH / 2;
01637       case 1: return xpos + CARGO_FIELD_WIDTH / 2 - HOR_CARGO_WIDTH / 2;
01638       case 2: return xpos + CARGO_FIELD_WIDTH / 2 - HOR_CARGO_WIDTH - HOR_CARGO_SPACE / 2;
01639       case 3: return xpos + CARGO_FIELD_WIDTH / 2 - HOR_CARGO_WIDTH - HOR_CARGO_SPACE - HOR_CARGO_WIDTH / 2;
01640       default: NOT_REACHED();
01641     }
01642   }
01643 
01649   void Draw(int xpos, int ypos) const
01650   {
01651     switch (this->type) {
01652       case CFT_EMPTY:
01653       case CFT_SMALL_EMPTY:
01654         break;
01655 
01656       case CFT_HEADER:
01657         ypos += (small_height - FONT_HEIGHT_NORMAL) / 2;
01658         DrawString(xpos, xpos + industry_width, ypos, this->u.header, TC_WHITE, SA_HOR_CENTER);
01659         break;
01660 
01661       case CFT_INDUSTRY: {
01662         int ypos1 = ypos + VERT_INTER_INDUSTRY_SPACE / 2;
01663         int ypos2 = ypos + normal_height - 1 - VERT_INTER_INDUSTRY_SPACE / 2;
01664         int xpos2 = xpos + industry_width - 1;
01665         GfxDrawLine(xpos,  ypos1, xpos2, ypos1, INDUSTRY_LINE_COLOUR);
01666         GfxDrawLine(xpos,  ypos1, xpos,  ypos2, INDUSTRY_LINE_COLOUR);
01667         GfxDrawLine(xpos,  ypos2, xpos2, ypos2, INDUSTRY_LINE_COLOUR);
01668         GfxDrawLine(xpos2, ypos1, xpos2, ypos2, INDUSTRY_LINE_COLOUR);
01669         ypos += (normal_height - FONT_HEIGHT_NORMAL) / 2;
01670         if (this->u.industry.ind_type < NUM_INDUSTRYTYPES) {
01671           const IndustrySpec *indsp = GetIndustrySpec(this->u.industry.ind_type);
01672           SetDParam(0, indsp->name);
01673           DrawString(xpos, xpos2, ypos, STR_JUST_STRING, TC_WHITE, SA_HOR_CENTER);
01674 
01675           /* Draw the industry legend. */
01676           int blob_left, blob_right;
01677           if (_current_text_dir == TD_RTL) {
01678             blob_right = xpos2 - BLOB_DISTANCE;
01679             blob_left  = blob_right - BLOB_WIDTH;
01680           } else {
01681             blob_left  = xpos + BLOB_DISTANCE;
01682             blob_right = blob_left + BLOB_WIDTH;
01683           }
01684           GfxFillRect(blob_left,     ypos2 - BLOB_DISTANCE - BLOB_HEIGHT,     blob_right,     ypos2 - BLOB_DISTANCE,     PC_BLACK); // Border
01685           GfxFillRect(blob_left + 1, ypos2 - BLOB_DISTANCE - BLOB_HEIGHT + 1, blob_right - 1, ypos2 - BLOB_DISTANCE - 1, indsp->map_colour);
01686         } else {
01687           DrawString(xpos, xpos2, ypos, STR_INDUSTRY_CARGOES_HOUSES, TC_FROMSTRING, SA_HOR_CENTER);
01688         }
01689 
01690         /* Draw the other_produced/other_accepted cargoes. */
01691         const CargoID *other_right, *other_left;
01692         if (_current_text_dir == TD_RTL) {
01693           other_right = this->u.industry.other_accepted;
01694           other_left  = this->u.industry.other_produced;
01695         } else {
01696           other_right = this->u.industry.other_produced;
01697           other_left  = this->u.industry.other_accepted;
01698         }
01699         ypos1 += VERT_CARGO_EDGE;
01700         for (uint i = 0; i < MAX_CARGOES; i++) {
01701           if (other_right[i] != INVALID_CARGO) {
01702             const CargoSpec *csp = CargoSpec::Get(other_right[i]);
01703             int xp = xpos + industry_width + CARGO_STUB_WIDTH;
01704             DrawHorConnection(xpos + industry_width, xp - 1, ypos1, csp);
01705             GfxDrawLine(xp, ypos1, xp, ypos1 + FONT_HEIGHT_NORMAL - 1, CARGO_LINE_COLOUR);
01706           }
01707           if (other_left[i] != INVALID_CARGO) {
01708             const CargoSpec *csp = CargoSpec::Get(other_left[i]);
01709             int xp = xpos - CARGO_STUB_WIDTH;
01710             DrawHorConnection(xp + 1, xpos - 1, ypos1, csp);
01711             GfxDrawLine(xp, ypos1, xp, ypos1 + FONT_HEIGHT_NORMAL - 1, CARGO_LINE_COLOUR);
01712           }
01713           ypos1 += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
01714         }
01715         break;
01716       }
01717 
01718       case CFT_CARGO: {
01719         int cargo_base = this->GetCargoBase(xpos);
01720         int top = ypos + (this->u.cargo.top_end ? VERT_INTER_INDUSTRY_SPACE / 2 + 1 : 0);
01721         int bot = ypos - (this->u.cargo.bottom_end ? VERT_INTER_INDUSTRY_SPACE / 2 + 1 : 0) + normal_height - 1;
01722         int colpos = cargo_base;
01723         for (int i = 0; i < this->u.cargo.num_cargoes; i++) {
01724           if (this->u.cargo.top_end) GfxDrawLine(colpos, top - 1, colpos + HOR_CARGO_WIDTH - 1, top - 1, CARGO_LINE_COLOUR);
01725           if (this->u.cargo.bottom_end) GfxDrawLine(colpos, bot + 1, colpos + HOR_CARGO_WIDTH - 1, bot + 1, CARGO_LINE_COLOUR);
01726           GfxDrawLine(colpos, top, colpos, bot, CARGO_LINE_COLOUR);
01727           colpos++;
01728           const CargoSpec *csp = CargoSpec::Get(this->u.cargo.vertical_cargoes[i]);
01729           GfxFillRect(colpos, top, colpos + HOR_CARGO_WIDTH - 2, bot, csp->legend_colour, FILLRECT_OPAQUE);
01730           colpos += HOR_CARGO_WIDTH - 2;
01731           GfxDrawLine(colpos, top, colpos, bot, CARGO_LINE_COLOUR);
01732           colpos += 1 + HOR_CARGO_SPACE;
01733         }
01734 
01735         const CargoID *hor_left, *hor_right;
01736         if (_current_text_dir == TD_RTL) {
01737           hor_left  = this->u.cargo.cust_cargoes;
01738           hor_right = this->u.cargo.supp_cargoes;
01739         } else {
01740           hor_left  = this->u.cargo.supp_cargoes;
01741           hor_right = this->u.cargo.cust_cargoes;
01742         }
01743         ypos += VERT_CARGO_EDGE + VERT_INTER_INDUSTRY_SPACE / 2;
01744         for (uint i = 0; i < MAX_CARGOES; i++) {
01745           if (hor_left[i] != INVALID_CARGO) {
01746             int col = hor_left[i];
01747             int dx = 0;
01748             const CargoSpec *csp = CargoSpec::Get(this->u.cargo.vertical_cargoes[col]);
01749             for (; col > 0; col--) {
01750               int lf = cargo_base + col * HOR_CARGO_WIDTH + (col - 1) * HOR_CARGO_SPACE;
01751               DrawHorConnection(lf, lf + HOR_CARGO_SPACE - dx, ypos, csp);
01752               dx = 1;
01753             }
01754             DrawHorConnection(xpos, cargo_base - dx, ypos, csp);
01755           }
01756           if (hor_right[i] != INVALID_CARGO) {
01757             int col = hor_right[i];
01758             int dx = 0;
01759             const CargoSpec *csp = CargoSpec::Get(this->u.cargo.vertical_cargoes[col]);
01760             for (; col < this->u.cargo.num_cargoes - 1; col++) {
01761               int lf = cargo_base + (col + 1) * HOR_CARGO_WIDTH + col * HOR_CARGO_SPACE;
01762               DrawHorConnection(lf + dx - 1, lf + HOR_CARGO_SPACE - 1, ypos, csp);
01763               dx = 1;
01764             }
01765             DrawHorConnection(cargo_base + col * HOR_CARGO_SPACE + (col + 1) * HOR_CARGO_WIDTH - 1 + dx, xpos + CARGO_FIELD_WIDTH - 1, ypos, csp);
01766           }
01767           ypos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
01768         }
01769         break;
01770       }
01771 
01772       case CFT_CARGO_LABEL:
01773         ypos += VERT_CARGO_EDGE + VERT_INTER_INDUSTRY_SPACE / 2;
01774         for (uint i = 0; i < MAX_CARGOES; i++) {
01775           if (this->u.cargo_label.cargoes[i] != INVALID_CARGO) {
01776             const CargoSpec *csp = CargoSpec::Get(this->u.cargo_label.cargoes[i]);
01777             DrawString(xpos + WD_FRAMERECT_LEFT, xpos + industry_width - 1 - WD_FRAMERECT_RIGHT, ypos, csp->name, TC_WHITE,
01778                 (this->u.cargo_label.left_align) ? SA_LEFT : SA_RIGHT);
01779           }
01780           ypos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
01781         }
01782         break;
01783 
01784       default:
01785         NOT_REACHED();
01786     }
01787   }
01788 
01796   CargoID CargoClickedAt(const CargoesField *left, const CargoesField *right, Point pt) const
01797   {
01798     assert(this->type == CFT_CARGO);
01799 
01800     /* Vertical matching. */
01801     int cpos = this->GetCargoBase(0);
01802     uint col;
01803     for (col = 0; col < this->u.cargo.num_cargoes; col++) {
01804       if (pt.x < cpos) break;
01805       if (pt.x < cpos + CargoesField::HOR_CARGO_WIDTH) return this->u.cargo.vertical_cargoes[col];
01806       cpos += CargoesField::HOR_CARGO_WIDTH + CargoesField::HOR_CARGO_SPACE;
01807     }
01808     /* col = 0 -> left of first col, 1 -> left of 2nd col, ... this->u.cargo.num_cargoes right of last-col. */
01809 
01810     int vpos = VERT_INTER_INDUSTRY_SPACE / 2 + VERT_CARGO_EDGE;
01811     uint row;
01812     for (row = 0; row < MAX_CARGOES; row++) {
01813       if (pt.y < vpos) return INVALID_CARGO;
01814       if (pt.y < vpos + FONT_HEIGHT_NORMAL) break;
01815       vpos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
01816     }
01817     if (row == MAX_CARGOES) return INVALID_CARGO;
01818 
01819     /* row = 0 -> at first horizontal row, row = 1 -> second horizontal row, 2 = 3rd horizontal row. */
01820     if (col == 0) {
01821       if (this->u.cargo.supp_cargoes[row] != INVALID_CARGO) return this->u.cargo.vertical_cargoes[this->u.cargo.supp_cargoes[row]];
01822       if (left != NULL) {
01823         if (left->type == CFT_INDUSTRY) return left->u.industry.other_produced[row];
01824         if (left->type == CFT_CARGO_LABEL && !left->u.cargo_label.left_align) return left->u.cargo_label.cargoes[row];
01825       }
01826       return INVALID_CARGO;
01827     }
01828     if (col == this->u.cargo.num_cargoes) {
01829       if (this->u.cargo.cust_cargoes[row] != INVALID_CARGO) return this->u.cargo.vertical_cargoes[this->u.cargo.cust_cargoes[row]];
01830       if (right != NULL) {
01831         if (right->type == CFT_INDUSTRY) return right->u.industry.other_accepted[row];
01832         if (right->type == CFT_CARGO_LABEL && right->u.cargo_label.left_align) return right->u.cargo_label.cargoes[row];
01833       }
01834       return INVALID_CARGO;
01835     }
01836     if (row >= col) {
01837       /* Clicked somewhere in-between vertical cargo connection.
01838        * Since the horizontal connection is made in the same order as the vertical list, the above condition
01839        * ensures we are left-below the main diagonal, thus at the supplying side.
01840        */
01841       return (this->u.cargo.supp_cargoes[row] != INVALID_CARGO) ? this->u.cargo.vertical_cargoes[this->u.cargo.supp_cargoes[row]] : INVALID_CARGO;
01842     } else {
01843       /* Clicked at a customer connection. */
01844       return (this->u.cargo.cust_cargoes[row] != INVALID_CARGO) ? this->u.cargo.vertical_cargoes[this->u.cargo.cust_cargoes[row]] : INVALID_CARGO;
01845     }
01846   }
01847 
01853   CargoID CargoLabelClickedAt(Point pt) const
01854   {
01855     assert(this->type == CFT_CARGO_LABEL);
01856 
01857     int vpos = VERT_INTER_INDUSTRY_SPACE / 2 + VERT_CARGO_EDGE;
01858     uint row;
01859     for (row = 0; row < MAX_CARGOES; row++) {
01860       if (pt.y < vpos) return INVALID_CARGO;
01861       if (pt.y < vpos + FONT_HEIGHT_NORMAL) break;
01862       vpos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
01863     }
01864     if (row == MAX_CARGOES) return INVALID_CARGO;
01865     return this->u.cargo_label.cargoes[row];
01866   }
01867 
01868 private:
01876   static void DrawHorConnection(int left, int right, int top, const CargoSpec *csp)
01877   {
01878     GfxDrawLine(left, top, right, top, CARGO_LINE_COLOUR);
01879     GfxFillRect(left, top + 1, right, top + FONT_HEIGHT_NORMAL - 2, csp->legend_colour, FILLRECT_OPAQUE);
01880     GfxDrawLine(left, top + FONT_HEIGHT_NORMAL - 1, right, top + FONT_HEIGHT_NORMAL - 1, CARGO_LINE_COLOUR);
01881   }
01882 };
01883 
01884 assert_compile(MAX_CARGOES >= cpp_lengthof(IndustrySpec, produced_cargo));
01885 assert_compile(MAX_CARGOES >= cpp_lengthof(IndustrySpec, accepts_cargo));
01886 
01887 int CargoesField::small_height;   
01888 int CargoesField::normal_height;  
01889 int CargoesField::industry_width; 
01890 const int CargoesField::VERT_INTER_INDUSTRY_SPACE = 6; 
01891 
01892 const int CargoesField::HOR_CARGO_BORDER_SPACE = 15; 
01893 const int CargoesField::CARGO_STUB_WIDTH       = 10; 
01894 const int CargoesField::HOR_CARGO_WIDTH        = 15; 
01895 const int CargoesField::HOR_CARGO_SPACE        =  5; 
01896 const int CargoesField::VERT_CARGO_EDGE        =  4; 
01897 const int CargoesField::VERT_CARGO_SPACE       =  4; 
01898 
01899 const int CargoesField::BLOB_DISTANCE =  5; 
01900 const int CargoesField::BLOB_WIDTH    = 12; 
01901 const int CargoesField::BLOB_HEIGHT   =  9; 
01902 
01904 const int CargoesField::CARGO_FIELD_WIDTH = HOR_CARGO_BORDER_SPACE * 2 + HOR_CARGO_WIDTH * MAX_CARGOES + HOR_CARGO_SPACE * (MAX_CARGOES - 1);
01905 
01906 const int CargoesField::INDUSTRY_LINE_COLOUR = PC_YELLOW; 
01907 const int CargoesField::CARGO_LINE_COLOUR    = PC_YELLOW; 
01908 
01910 struct CargoesRow {
01911   CargoesField columns[5]; 
01912 
01917   void ConnectIndustryProduced(int column)
01918   {
01919     CargoesField *ind_fld   = this->columns + column;
01920     CargoesField *cargo_fld = this->columns + column + 1;
01921     assert(ind_fld->type == CFT_INDUSTRY && cargo_fld->type == CFT_CARGO);
01922 
01923     MemSetT(ind_fld->u.industry.other_produced, INVALID_CARGO, MAX_CARGOES);
01924 
01925     if (ind_fld->u.industry.ind_type < NUM_INDUSTRYTYPES) {
01926       CargoID others[MAX_CARGOES]; // Produced cargoes not carried in the cargo column.
01927       int other_count = 0;
01928 
01929       const IndustrySpec *indsp = GetIndustrySpec(ind_fld->u.industry.ind_type);
01930       for (uint i = 0; i < lengthof(indsp->produced_cargo); i++) {
01931         int col = cargo_fld->ConnectCargo(indsp->produced_cargo[i], true);
01932         if (col < 0) others[other_count++] = indsp->produced_cargo[i];
01933       }
01934 
01935       /* Allocate other cargoes in the empty holes of the horizontal cargo connections. */
01936       for (uint i = 0; i < MAX_CARGOES && other_count > 0; i++) {
01937         if (cargo_fld->u.cargo.supp_cargoes[i] == INVALID_CARGO) ind_fld->u.industry.other_produced[i] = others[--other_count];
01938       }
01939     } else {
01940       /* Houses only display what is demanded. */
01941       for (uint i = 0; i < cargo_fld->u.cargo.num_cargoes; i++) {
01942         CargoID cid = cargo_fld->u.cargo.vertical_cargoes[i];
01943         if (cid == CT_PASSENGERS || cid == CT_MAIL) cargo_fld->ConnectCargo(cid, true);
01944       }
01945     }
01946   }
01947 
01953   void MakeCargoLabel(int column, bool accepting)
01954   {
01955     CargoID cargoes[MAX_CARGOES];
01956     MemSetT(cargoes, INVALID_CARGO, lengthof(cargoes));
01957 
01958     CargoesField *label_fld = this->columns + column;
01959     CargoesField *cargo_fld = this->columns + (accepting ? column - 1 : column + 1);
01960 
01961     assert(cargo_fld->type == CFT_CARGO && label_fld->type == CFT_EMPTY);
01962     for (uint i = 0; i < cargo_fld->u.cargo.num_cargoes; i++) {
01963       int col = cargo_fld->ConnectCargo(cargo_fld->u.cargo.vertical_cargoes[i], !accepting);
01964       if (col >= 0) cargoes[col] = cargo_fld->u.cargo.vertical_cargoes[i];
01965     }
01966     label_fld->MakeCargoLabel(cargoes, lengthof(cargoes), accepting);
01967   }
01968 
01969 
01974   void ConnectIndustryAccepted(int column)
01975   {
01976     CargoesField *ind_fld   = this->columns + column;
01977     CargoesField *cargo_fld = this->columns + column - 1;
01978     assert(ind_fld->type == CFT_INDUSTRY && cargo_fld->type == CFT_CARGO);
01979 
01980     MemSetT(ind_fld->u.industry.other_accepted, INVALID_CARGO, MAX_CARGOES);
01981 
01982     if (ind_fld->u.industry.ind_type < NUM_INDUSTRYTYPES) {
01983       CargoID others[MAX_CARGOES]; // Accepted cargoes not carried in the cargo column.
01984       int other_count = 0;
01985 
01986       const IndustrySpec *indsp = GetIndustrySpec(ind_fld->u.industry.ind_type);
01987       for (uint i = 0; i < lengthof(indsp->accepts_cargo); i++) {
01988         int col = cargo_fld->ConnectCargo(indsp->accepts_cargo[i], false);
01989         if (col < 0) others[other_count++] = indsp->accepts_cargo[i];
01990       }
01991 
01992       /* Allocate other cargoes in the empty holes of the horizontal cargo connections. */
01993       for (uint i = 0; i < MAX_CARGOES && other_count > 0; i++) {
01994         if (cargo_fld->u.cargo.cust_cargoes[i] == INVALID_CARGO) ind_fld->u.industry.other_accepted[i] = others[--other_count];
01995       }
01996     } else {
01997       /* Houses only display what is demanded. */
01998       for (uint i = 0; i < cargo_fld->u.cargo.num_cargoes; i++) {
01999         for (uint h = 0; h < NUM_HOUSES; h++) {
02000           HouseSpec *hs = HouseSpec::Get(h);
02001           if (!hs->enabled) continue;
02002 
02003           for (uint j = 0; j < lengthof(hs->accepts_cargo); j++) {
02004             if (cargo_fld->u.cargo.vertical_cargoes[i] == hs->accepts_cargo[j]) {
02005               cargo_fld->ConnectCargo(cargo_fld->u.cargo.vertical_cargoes[i], false);
02006               goto next_cargo;
02007             }
02008           }
02009         }
02010 next_cargo: ;
02011       }
02012     }
02013   }
02014 };
02015 
02016 
02044 struct IndustryCargoesWindow : public Window {
02045   static const int HOR_TEXT_PADDING, VERT_TEXT_PADDING;
02046 
02047   typedef SmallVector<CargoesRow, 4> Fields;
02048 
02049   Fields fields;  
02050   uint ind_cargo; 
02051   Dimension cargo_textsize; 
02052   Dimension ind_textsize;   
02053   Scrollbar *vscroll;
02054 
02055   IndustryCargoesWindow(int id) : Window(&_industry_cargoes_desc)
02056   {
02057     this->OnInit();
02058     this->CreateNestedTree();
02059     this->vscroll = this->GetScrollbar(WID_IC_SCROLLBAR);
02060     this->FinishInitNested(0);
02061     this->OnInvalidateData(id);
02062   }
02063 
02064   virtual void OnInit()
02065   {
02066     /* Initialize static CargoesField size variables. */
02067     Dimension d = GetStringBoundingBox(STR_INDUSTRY_CARGOES_PRODUCERS);
02068     d = maxdim(d, GetStringBoundingBox(STR_INDUSTRY_CARGOES_CUSTOMERS));
02069     d.width  += WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT;
02070     d.height += WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM;
02071     CargoesField::small_height = d.height;
02072 
02073     /* Decide about the size of the box holding the text of an industry type. */
02074     this->ind_textsize.width = 0;
02075     this->ind_textsize.height = 0;
02076     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
02077       const IndustrySpec *indsp = GetIndustrySpec(it);
02078       if (!indsp->enabled) continue;
02079       this->ind_textsize = maxdim(this->ind_textsize, GetStringBoundingBox(indsp->name));
02080     }
02081     d.width = max(d.width, this->ind_textsize.width);
02082     d.height = this->ind_textsize.height;
02083     this->ind_textsize = maxdim(this->ind_textsize, GetStringBoundingBox(STR_INDUSTRY_CARGOES_SELECT_INDUSTRY));
02084 
02085     /* Compute max size of the cargo texts. */
02086     this->cargo_textsize.width = 0;
02087     this->cargo_textsize.height = 0;
02088     for (uint i = 0; i < NUM_CARGO; i++) {
02089       const CargoSpec *csp = CargoSpec::Get(i);
02090       if (!csp->IsValid()) continue;
02091       this->cargo_textsize = maxdim(this->cargo_textsize, GetStringBoundingBox(csp->name));
02092     }
02093     d = maxdim(d, this->cargo_textsize); // Box must also be wide enough to hold any cargo label.
02094     this->cargo_textsize = maxdim(this->cargo_textsize, GetStringBoundingBox(STR_INDUSTRY_CARGOES_SELECT_CARGO));
02095 
02096     d.width  += 2 * HOR_TEXT_PADDING;
02097     /* Ensure the height is enough for the industry type text, for the horizontal connections, and for the cargo labels. */
02098     uint min_ind_height = CargoesField::VERT_CARGO_EDGE * 2 + MAX_CARGOES * FONT_HEIGHT_NORMAL + (MAX_CARGOES - 1) *  CargoesField::VERT_CARGO_SPACE;
02099     d.height = max(d.height + 2 * VERT_TEXT_PADDING, min_ind_height);
02100 
02101     CargoesField::industry_width = d.width;
02102     CargoesField::normal_height = d.height + CargoesField::VERT_INTER_INDUSTRY_SPACE;
02103   }
02104 
02105   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
02106   {
02107     switch (widget) {
02108       case WID_IC_PANEL:
02109         size->width = WD_FRAMETEXT_LEFT + CargoesField::industry_width * 3 + CargoesField::CARGO_FIELD_WIDTH * 2 + WD_FRAMETEXT_RIGHT;
02110         break;
02111 
02112       case WID_IC_IND_DROPDOWN:
02113         size->width = max(size->width, this->ind_textsize.width + padding.width);
02114         break;
02115 
02116       case WID_IC_CARGO_DROPDOWN:
02117         size->width = max(size->width, this->cargo_textsize.width + padding.width);
02118         break;
02119     }
02120   }
02121 
02122 
02123   CargoesFieldType type; 
02124   virtual void SetStringParameters  (int widget) const
02125   {
02126     if (widget != WID_IC_CAPTION) return;
02127 
02128     if (this->ind_cargo < NUM_INDUSTRYTYPES) {
02129       const IndustrySpec *indsp = GetIndustrySpec(this->ind_cargo);
02130       SetDParam(0, indsp->name);
02131     } else {
02132       const CargoSpec *csp = CargoSpec::Get(this->ind_cargo - NUM_INDUSTRYTYPES);
02133       SetDParam(0, csp->name);
02134     }
02135   }
02136 
02145   static bool HasCommonValidCargo(const CargoID *cargoes1, uint length1, const CargoID *cargoes2, uint length2)
02146   {
02147     while (length1 > 0) {
02148       if (*cargoes1 != INVALID_CARGO) {
02149         for (uint i = 0; i < length2; i++) if (*cargoes1 == cargoes2[i]) return true;
02150       }
02151       cargoes1++;
02152       length1--;
02153     }
02154     return false;
02155   }
02156 
02163   static bool HousesCanSupply(const CargoID *cargoes, uint length)
02164   {
02165     for (uint i = 0; i < length; i++) {
02166       if (cargoes[i] == INVALID_CARGO) continue;
02167       if (cargoes[i] == CT_PASSENGERS || cargoes[i] == CT_MAIL) return true;
02168     }
02169     return false;
02170   }
02171 
02178   static bool HousesCanAccept(const CargoID *cargoes, uint length)
02179   {
02180     HouseZones climate_mask;
02181     switch (_settings_game.game_creation.landscape) {
02182       case LT_TEMPERATE: climate_mask = HZ_TEMP; break;
02183       case LT_ARCTIC:    climate_mask = HZ_SUBARTC_ABOVE | HZ_SUBARTC_BELOW; break;
02184       case LT_TROPIC:    climate_mask = HZ_SUBTROPIC; break;
02185       case LT_TOYLAND:   climate_mask = HZ_TOYLND; break;
02186       default: NOT_REACHED();
02187     }
02188     for (uint i = 0; i < length; i++) {
02189       if (cargoes[i] == INVALID_CARGO) continue;
02190 
02191       for (uint h = 0; h < NUM_HOUSES; h++) {
02192         HouseSpec *hs = HouseSpec::Get(h);
02193         if (!hs->enabled || !(hs->building_availability & climate_mask)) continue;
02194 
02195         for (uint j = 0; j < lengthof(hs->accepts_cargo); j++) {
02196           if (cargoes[i] == hs->accepts_cargo[j]) return true;
02197         }
02198       }
02199     }
02200     return false;
02201   }
02202 
02209   static int CountMatchingAcceptingIndustries(const CargoID *cargoes, uint length)
02210   {
02211     int count = 0;
02212     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
02213       const IndustrySpec *indsp = GetIndustrySpec(it);
02214       if (!indsp->enabled) continue;
02215 
02216       if (HasCommonValidCargo(cargoes, length, indsp->accepts_cargo, lengthof(indsp->accepts_cargo))) count++;
02217     }
02218     return count;
02219   }
02220 
02227   static int CountMatchingProducingIndustries(const CargoID *cargoes, uint length)
02228   {
02229     int count = 0;
02230     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
02231       const IndustrySpec *indsp = GetIndustrySpec(it);
02232       if (!indsp->enabled) continue;
02233 
02234       if (HasCommonValidCargo(cargoes, length, indsp->produced_cargo, lengthof(indsp->produced_cargo))) count++;
02235     }
02236     return count;
02237   }
02238 
02245   void ShortenCargoColumn(int column, int top, int bottom)
02246   {
02247     while (top < bottom && !this->fields[top].columns[column].HasConnection()) {
02248       this->fields[top].columns[column].MakeEmpty(CFT_EMPTY);
02249       top++;
02250     }
02251     this->fields[top].columns[column].u.cargo.top_end = true;
02252 
02253     while (bottom > top && !this->fields[bottom].columns[column].HasConnection()) {
02254       this->fields[bottom].columns[column].MakeEmpty(CFT_EMPTY);
02255       bottom--;
02256     }
02257     this->fields[bottom].columns[column].u.cargo.bottom_end = true;
02258   }
02259 
02266   void PlaceIndustry(int row, int col, IndustryType it)
02267   {
02268     assert(this->fields[row].columns[col].type == CFT_EMPTY);
02269     this->fields[row].columns[col].MakeIndustry(it);
02270     if (col == 0) {
02271       this->fields[row].ConnectIndustryProduced(col);
02272     } else {
02273       this->fields[row].ConnectIndustryAccepted(col);
02274     }
02275   }
02276 
02280   void NotifySmallmap()
02281   {
02282     if (!this->IsWidgetLowered(WID_IC_NOTIFY)) return;
02283 
02284     /* Only notify the smallmap window if it exists. In particular, do not
02285      * bring it to the front to prevent messing up any nice layout of the user. */
02286     InvalidateWindowClassesData(WC_SMALLMAP, 0);
02287   }
02288 
02293   void ComputeIndustryDisplay(IndustryType it)
02294   {
02295     this->GetWidget<NWidgetCore>(WID_IC_CAPTION)->widget_data = STR_INDUSTRY_CARGOES_INDUSTRY_CAPTION;
02296     this->ind_cargo = it;
02297     _displayed_industries = 1ULL << it;
02298 
02299     this->fields.Clear();
02300     CargoesRow *row = this->fields.Append();
02301     row->columns[0].MakeHeader(STR_INDUSTRY_CARGOES_PRODUCERS);
02302     row->columns[1].MakeEmpty(CFT_SMALL_EMPTY);
02303     row->columns[2].MakeEmpty(CFT_SMALL_EMPTY);
02304     row->columns[3].MakeEmpty(CFT_SMALL_EMPTY);
02305     row->columns[4].MakeHeader(STR_INDUSTRY_CARGOES_CUSTOMERS);
02306 
02307     const IndustrySpec *central_sp = GetIndustrySpec(it);
02308     bool houses_supply = HousesCanSupply(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo));
02309     bool houses_accept = HousesCanAccept(central_sp->produced_cargo, lengthof(central_sp->produced_cargo));
02310     /* Make a field consisting of two cargo columns. */
02311     int num_supp = CountMatchingProducingIndustries(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo)) + houses_supply;
02312     int num_cust = CountMatchingAcceptingIndustries(central_sp->produced_cargo, lengthof(central_sp->produced_cargo)) + houses_accept;
02313     int num_indrows = max(3, max(num_supp, num_cust)); // One is needed for the 'it' industry, and 2 for the cargo labels.
02314     for (int i = 0; i < num_indrows; i++) {
02315       CargoesRow *row = this->fields.Append();
02316       row->columns[0].MakeEmpty(CFT_EMPTY);
02317       row->columns[1].MakeCargo(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo));
02318       row->columns[2].MakeEmpty(CFT_EMPTY);
02319       row->columns[3].MakeCargo(central_sp->produced_cargo, lengthof(central_sp->produced_cargo));
02320       row->columns[4].MakeEmpty(CFT_EMPTY);
02321     }
02322     /* Add central industry. */
02323     int central_row = 1 + num_indrows / 2;
02324     this->fields[central_row].columns[2].MakeIndustry(it);
02325     this->fields[central_row].ConnectIndustryProduced(2);
02326     this->fields[central_row].ConnectIndustryAccepted(2);
02327 
02328     /* Add cargo labels. */
02329     this->fields[central_row - 1].MakeCargoLabel(2, true);
02330     this->fields[central_row + 1].MakeCargoLabel(2, false);
02331 
02332     /* Add suppliers and customers of the 'it' industry. */
02333     int supp_count = 0;
02334     int cust_count = 0;
02335     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
02336       const IndustrySpec *indsp = GetIndustrySpec(it);
02337       if (!indsp->enabled) continue;
02338 
02339       if (HasCommonValidCargo(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo), indsp->produced_cargo, lengthof(indsp->produced_cargo))) {
02340         this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, it);
02341         SetBit(_displayed_industries, it);
02342         supp_count++;
02343       }
02344       if (HasCommonValidCargo(central_sp->produced_cargo, lengthof(central_sp->produced_cargo), indsp->accepts_cargo, lengthof(indsp->accepts_cargo))) {
02345         this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 4, it);
02346         SetBit(_displayed_industries, it);
02347         cust_count++;
02348       }
02349     }
02350     if (houses_supply) {
02351       this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, NUM_INDUSTRYTYPES);
02352       supp_count++;
02353     }
02354     if (houses_accept) {
02355       this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 4, NUM_INDUSTRYTYPES);
02356       cust_count++;
02357     }
02358 
02359     this->ShortenCargoColumn(1, 1, num_indrows);
02360     this->ShortenCargoColumn(3, 1, num_indrows);
02361     const NWidgetBase *nwp = this->GetWidget<NWidgetBase>(WID_IC_PANEL);
02362     this->vscroll->SetCount(CeilDiv(WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM + CargoesField::small_height + num_indrows * CargoesField::normal_height, nwp->resize_y));
02363     this->SetDirty();
02364     this->NotifySmallmap();
02365   }
02366 
02371   void ComputeCargoDisplay(CargoID cid)
02372   {
02373     this->GetWidget<NWidgetCore>(WID_IC_CAPTION)->widget_data = STR_INDUSTRY_CARGOES_CARGO_CAPTION;
02374     this->ind_cargo = cid + NUM_INDUSTRYTYPES;
02375     _displayed_industries = 0;
02376 
02377     this->fields.Clear();
02378     CargoesRow *row = this->fields.Append();
02379     row->columns[0].MakeHeader(STR_INDUSTRY_CARGOES_PRODUCERS);
02380     row->columns[1].MakeEmpty(CFT_SMALL_EMPTY);
02381     row->columns[2].MakeHeader(STR_INDUSTRY_CARGOES_CUSTOMERS);
02382     row->columns[3].MakeEmpty(CFT_SMALL_EMPTY);
02383     row->columns[4].MakeEmpty(CFT_SMALL_EMPTY);
02384 
02385     bool houses_supply = HousesCanSupply(&cid, 1);
02386     bool houses_accept = HousesCanAccept(&cid, 1);
02387     int num_supp = CountMatchingProducingIndustries(&cid, 1) + houses_supply + 1; // Ensure room for the cargo label.
02388     int num_cust = CountMatchingAcceptingIndustries(&cid, 1) + houses_accept;
02389     int num_indrows = max(num_supp, num_cust);
02390     for (int i = 0; i < num_indrows; i++) {
02391       CargoesRow *row = this->fields.Append();
02392       row->columns[0].MakeEmpty(CFT_EMPTY);
02393       row->columns[1].MakeCargo(&cid, 1);
02394       row->columns[2].MakeEmpty(CFT_EMPTY);
02395       row->columns[3].MakeEmpty(CFT_EMPTY);
02396       row->columns[4].MakeEmpty(CFT_EMPTY);
02397     }
02398 
02399     this->fields[num_indrows].MakeCargoLabel(0, false); // Add cargo labels at the left bottom.
02400 
02401     /* Add suppliers and customers of the cargo. */
02402     int supp_count = 0;
02403     int cust_count = 0;
02404     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
02405       const IndustrySpec *indsp = GetIndustrySpec(it);
02406       if (!indsp->enabled) continue;
02407 
02408       if (HasCommonValidCargo(&cid, 1, indsp->produced_cargo, lengthof(indsp->produced_cargo))) {
02409         this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, it);
02410         SetBit(_displayed_industries, it);
02411         supp_count++;
02412       }
02413       if (HasCommonValidCargo(&cid, 1, indsp->accepts_cargo, lengthof(indsp->accepts_cargo))) {
02414         this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 2, it);
02415         SetBit(_displayed_industries, it);
02416         cust_count++;
02417       }
02418     }
02419     if (houses_supply) {
02420       this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, NUM_INDUSTRYTYPES);
02421       supp_count++;
02422     }
02423     if (houses_accept) {
02424       this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 2, NUM_INDUSTRYTYPES);
02425       cust_count++;
02426     }
02427 
02428     this->ShortenCargoColumn(1, 1, num_indrows);
02429     const NWidgetBase *nwp = this->GetWidget<NWidgetBase>(WID_IC_PANEL);
02430     this->vscroll->SetCount(CeilDiv(WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM + CargoesField::small_height + num_indrows * CargoesField::normal_height, nwp->resize_y));
02431     this->SetDirty();
02432     this->NotifySmallmap();
02433   }
02434 
02442   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
02443   {
02444     if (!gui_scope) return;
02445     if (data == NUM_INDUSTRYTYPES) {
02446       if (this->IsWidgetLowered(WID_IC_NOTIFY)) {
02447         this->RaiseWidget(WID_IC_NOTIFY);
02448         this->SetWidgetDirty(WID_IC_NOTIFY);
02449       }
02450       return;
02451     }
02452 
02453     assert(data >= 0 && data < NUM_INDUSTRYTYPES);
02454     this->ComputeIndustryDisplay(data);
02455   }
02456 
02457   virtual void DrawWidget(const Rect &r, int widget) const
02458   {
02459     if (widget != WID_IC_PANEL) return;
02460 
02461     DrawPixelInfo tmp_dpi, *old_dpi;
02462     int width = r.right - r.left + 1;
02463     int height = r.bottom - r.top + 1 - WD_FRAMERECT_TOP - WD_FRAMERECT_BOTTOM;
02464     if (!FillDrawPixelInfo(&tmp_dpi, r.left + WD_FRAMERECT_LEFT, r.top + WD_FRAMERECT_TOP, width, height)) return;
02465     old_dpi = _cur_dpi;
02466     _cur_dpi = &tmp_dpi;
02467 
02468     int left_pos = WD_FRAMERECT_LEFT;
02469     if (this->ind_cargo >= NUM_INDUSTRYTYPES) left_pos += (CargoesField::industry_width + CargoesField::CARGO_FIELD_WIDTH) / 2;
02470     int last_column = (this->ind_cargo < NUM_INDUSTRYTYPES) ? 4 : 2;
02471 
02472     const NWidgetBase *nwp = this->GetWidget<NWidgetBase>(WID_IC_PANEL);
02473     int vpos = -this->vscroll->GetPosition() * nwp->resize_y;
02474     for (uint i = 0; i < this->fields.Length(); i++) {
02475       int row_height = (i == 0) ? CargoesField::small_height : CargoesField::normal_height;
02476       if (vpos + row_height >= 0) {
02477         int xpos = left_pos;
02478         int col, dir;
02479         if (_current_text_dir == TD_RTL) {
02480           col = last_column;
02481           dir = -1;
02482         } else {
02483           col = 0;
02484           dir = 1;
02485         }
02486         while (col >= 0 && col <= last_column) {
02487           this->fields[i].columns[col].Draw(xpos, vpos);
02488           xpos += (col & 1) ? CargoesField::CARGO_FIELD_WIDTH : CargoesField::industry_width;
02489           col += dir;
02490         }
02491       }
02492       vpos += row_height;
02493       if (vpos >= height) break;
02494     }
02495 
02496     _cur_dpi = old_dpi;
02497   }
02498 
02506   bool CalculatePositionInWidget(Point pt, Point *fieldxy, Point *xy)
02507   {
02508     const NWidgetBase *nw = this->GetWidget<NWidgetBase>(WID_IC_PANEL);
02509     pt.x -= nw->pos_x;
02510     pt.y -= nw->pos_y;
02511 
02512     int vpos = WD_FRAMERECT_TOP + CargoesField::small_height - this->vscroll->GetPosition() * nw->resize_y;
02513     if (pt.y < vpos) return false;
02514 
02515     int row = (pt.y - vpos) / CargoesField::normal_height; // row is relative to row 1.
02516     if (row + 1 >= (int)this->fields.Length()) return false;
02517     vpos = pt.y - vpos - row * CargoesField::normal_height; // Position in the row + 1 field
02518     row++; // rebase row to match index of this->fields.
02519 
02520     int xpos = 2 * WD_FRAMERECT_LEFT + ((this->ind_cargo < NUM_INDUSTRYTYPES) ? 0 :  (CargoesField::industry_width + CargoesField::CARGO_FIELD_WIDTH) / 2);
02521     if (pt.x < xpos) return false;
02522     int column;
02523     for (column = 0; column <= 5; column++) {
02524       int width = (column & 1) ? CargoesField::CARGO_FIELD_WIDTH : CargoesField::industry_width;
02525       if (pt.x < xpos + width) break;
02526       xpos += width;
02527     }
02528     int num_columns = (this->ind_cargo < NUM_INDUSTRYTYPES) ? 4 : 2;
02529     if (column > num_columns) return false;
02530     xpos = pt.x - xpos;
02531 
02532     /* Return both positions, compensating for RTL languages (which works due to the equal symmetry in both displays). */
02533     fieldxy->y = row;
02534     xy->y = vpos;
02535     if (_current_text_dir == TD_RTL) {
02536       fieldxy->x = num_columns - column;
02537       xy->x = ((column & 1) ? CargoesField::CARGO_FIELD_WIDTH : CargoesField::industry_width) - xpos;
02538     } else {
02539       fieldxy->x = column;
02540       xy->x = xpos;
02541     }
02542     return true;
02543   }
02544 
02545   virtual void OnClick(Point pt, int widget, int click_count)
02546   {
02547     switch (widget) {
02548       case WID_IC_PANEL: {
02549         Point fieldxy, xy;
02550         if (!CalculatePositionInWidget(pt, &fieldxy, &xy)) return;
02551 
02552         const CargoesField *fld = this->fields[fieldxy.y].columns + fieldxy.x;
02553         switch (fld->type) {
02554           case CFT_INDUSTRY:
02555             if (fld->u.industry.ind_type < NUM_INDUSTRYTYPES) this->ComputeIndustryDisplay(fld->u.industry.ind_type);
02556             break;
02557 
02558           case CFT_CARGO: {
02559             CargoesField *lft = (fieldxy.x > 0) ? this->fields[fieldxy.y].columns + fieldxy.x - 1 : NULL;
02560             CargoesField *rgt = (fieldxy.x < 4) ? this->fields[fieldxy.y].columns + fieldxy.x + 1 : NULL;
02561             CargoID cid = fld->CargoClickedAt(lft, rgt, xy);
02562             if (cid != INVALID_CARGO) this->ComputeCargoDisplay(cid);
02563             break;
02564           }
02565 
02566           case CFT_CARGO_LABEL: {
02567             CargoID cid = fld->CargoLabelClickedAt(xy);
02568             if (cid != INVALID_CARGO) this->ComputeCargoDisplay(cid);
02569             break;
02570           }
02571 
02572           default:
02573             break;
02574         }
02575         break;
02576       }
02577 
02578       case WID_IC_NOTIFY:
02579         this->ToggleWidgetLoweredState(WID_IC_NOTIFY);
02580         this->SetWidgetDirty(WID_IC_NOTIFY);
02581         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
02582 
02583         if (this->IsWidgetLowered(WID_IC_NOTIFY)) {
02584           if (FindWindowByClass(WC_SMALLMAP) == NULL) ShowSmallMap();
02585           this->NotifySmallmap();
02586         }
02587         break;
02588 
02589       case WID_IC_CARGO_DROPDOWN: {
02590         DropDownList *lst = new DropDownList;
02591         const CargoSpec *cs;
02592         FOR_ALL_SORTED_STANDARD_CARGOSPECS(cs) {
02593           *lst->Append() = new DropDownListStringItem(cs->name, cs->Index(), false);
02594         }
02595         if (lst->Length() == 0) {
02596           delete lst;
02597           break;
02598         }
02599         int selected = (this->ind_cargo >= NUM_INDUSTRYTYPES) ? (int)(this->ind_cargo - NUM_INDUSTRYTYPES) : -1;
02600         ShowDropDownList(this, lst, selected, WID_IC_CARGO_DROPDOWN, 0, true);
02601         break;
02602       }
02603 
02604       case WID_IC_IND_DROPDOWN: {
02605         DropDownList *lst = new DropDownList;
02606         for (uint8 i = 0; i < NUM_INDUSTRYTYPES; i++) {
02607           IndustryType ind = _sorted_industry_types[i];
02608           const IndustrySpec *indsp = GetIndustrySpec(ind);
02609           if (!indsp->enabled) continue;
02610           *lst->Append() = new DropDownListStringItem(indsp->name, ind, false);
02611         }
02612         if (lst->Length() == 0) {
02613           delete lst;
02614           break;
02615         }
02616         int selected = (this->ind_cargo < NUM_INDUSTRYTYPES) ? (int)this->ind_cargo : -1;
02617         ShowDropDownList(this, lst, selected, WID_IC_IND_DROPDOWN, 0, true);
02618         break;
02619       }
02620     }
02621   }
02622 
02623   virtual void OnDropdownSelect(int widget, int index)
02624   {
02625     if (index < 0) return;
02626 
02627     switch (widget) {
02628       case WID_IC_CARGO_DROPDOWN:
02629         this->ComputeCargoDisplay(index);
02630         break;
02631 
02632       case WID_IC_IND_DROPDOWN:
02633         this->ComputeIndustryDisplay(index);
02634         break;
02635     }
02636   }
02637 
02638   virtual void OnHover(Point pt, int widget)
02639   {
02640     if (widget != WID_IC_PANEL) return;
02641 
02642     Point fieldxy, xy;
02643     if (!CalculatePositionInWidget(pt, &fieldxy, &xy)) return;
02644 
02645     const CargoesField *fld = this->fields[fieldxy.y].columns + fieldxy.x;
02646     CargoID cid = INVALID_CARGO;
02647     switch (fld->type) {
02648       case CFT_CARGO: {
02649         CargoesField *lft = (fieldxy.x > 0) ? this->fields[fieldxy.y].columns + fieldxy.x - 1 : NULL;
02650         CargoesField *rgt = (fieldxy.x < 4) ? this->fields[fieldxy.y].columns + fieldxy.x + 1 : NULL;
02651         cid = fld->CargoClickedAt(lft, rgt, xy);
02652         break;
02653       }
02654 
02655       case CFT_CARGO_LABEL: {
02656         cid = fld->CargoLabelClickedAt(xy);
02657         break;
02658       }
02659 
02660       case CFT_INDUSTRY:
02661         if (fld->u.industry.ind_type < NUM_INDUSTRYTYPES && (this->ind_cargo >= NUM_INDUSTRYTYPES || fieldxy.x != 2)) {
02662           GuiShowTooltips(this, STR_INDUSTRY_CARGOES_INDUSTRY_TOOLTIP, 0, NULL, TCC_HOVER);
02663         }
02664         return;
02665 
02666       default:
02667         break;
02668     }
02669     if (cid != INVALID_CARGO && (this->ind_cargo < NUM_INDUSTRYTYPES || cid != this->ind_cargo - NUM_INDUSTRYTYPES)) {
02670       const CargoSpec *csp = CargoSpec::Get(cid);
02671       uint64 params[5];
02672       params[0] = csp->name;
02673       GuiShowTooltips(this, STR_INDUSTRY_CARGOES_CARGO_TOOLTIP, 1, params, TCC_HOVER);
02674     }
02675   }
02676 
02677   virtual void OnResize()
02678   {
02679     this->vscroll->SetCapacityFromWidget(this, WID_IC_PANEL);
02680   }
02681 };
02682 
02683 const int IndustryCargoesWindow::HOR_TEXT_PADDING  = 5; 
02684 const int IndustryCargoesWindow::VERT_TEXT_PADDING = 5; 
02685 
02690 static void ShowIndustryCargoesWindow(IndustryType id)
02691 {
02692   if (id >= NUM_INDUSTRYTYPES) {
02693     for (uint8 i = 0; i < NUM_INDUSTRYTYPES; i++) {
02694       const IndustrySpec *indsp = GetIndustrySpec(_sorted_industry_types[i]);
02695       if (indsp->enabled) {
02696         id = _sorted_industry_types[i];
02697         break;
02698       }
02699     }
02700     if (id >= NUM_INDUSTRYTYPES) return;
02701   }
02702 
02703   Window *w = BringWindowToFrontById(WC_INDUSTRY_CARGOES, 0);
02704   if (w != NULL) {
02705     w->InvalidateData(id);
02706     return;
02707   }
02708   new IndustryCargoesWindow(id);
02709 }
02710 
02712 void ShowIndustryCargoesWindow()
02713 {
02714   ShowIndustryCargoesWindow(NUM_INDUSTRYTYPES);
02715 }