industry_gui.cpp

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00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include "stdafx.h"
00013 #include "error.h"
00014 #include "gui.h"
00015 #include "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), SetDataTip(0x801, 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         for (byte i = 0; i < this->vscroll->GetCapacity() && i + this->vscroll->GetPosition() < this->count; i++) {
00384           int x = r.left + WD_MATRIX_LEFT;
00385           int y = r.top + WD_MATRIX_TOP + i * this->resize.step_height;
00386           bool selected = this->selected_index == i + this->vscroll->GetPosition();
00387 
00388           if (this->index[i + this->vscroll->GetPosition()] == INVALID_INDUSTRYTYPE) {
00389             DrawString(x + MATRIX_TEXT_OFFSET, r.right - WD_MATRIX_RIGHT, y, STR_FUND_INDUSTRY_MANY_RANDOM_INDUSTRIES, selected ? TC_WHITE : TC_ORANGE);
00390             continue;
00391           }
00392           const IndustrySpec *indsp = GetIndustrySpec(this->index[i + this->vscroll->GetPosition()]);
00393 
00394           /* Draw the name of the industry in white is selected, otherwise, in orange */
00395           DrawString(x + MATRIX_TEXT_OFFSET, r.right - WD_MATRIX_RIGHT, y, indsp->name, selected ? TC_WHITE : TC_ORANGE);
00396           GfxFillRect(x,     y + 1,  x + 10, y + 7, selected ? PC_WHITE : PC_BLACK);
00397           GfxFillRect(x + 1, y + 2,  x +  9, y + 6, indsp->map_colour);
00398         }
00399         break;
00400 
00401       case WID_DPI_INFOPANEL: {
00402         int y      = r.top    + WD_FRAMERECT_TOP;
00403         int bottom = r.bottom - WD_FRAMERECT_BOTTOM;
00404         int left   = r.left   + WD_FRAMERECT_LEFT;
00405         int right  = r.right  - WD_FRAMERECT_RIGHT;
00406 
00407         if (this->selected_type == INVALID_INDUSTRYTYPE) {
00408           DrawStringMultiLine(left, right, y,  bottom, STR_FUND_INDUSTRY_MANY_RANDOM_INDUSTRIES_TOOLTIP);
00409           break;
00410         }
00411 
00412         const IndustrySpec *indsp = GetIndustrySpec(this->selected_type);
00413 
00414         if (_game_mode != GM_EDITOR) {
00415           SetDParam(0, indsp->GetConstructionCost());
00416           DrawString(left, right, y, STR_FUND_INDUSTRY_INDUSTRY_BUILD_COST);
00417           y += FONT_HEIGHT_NORMAL;
00418         }
00419 
00420         /* Draw the accepted cargoes, if any. Otherwise, will print "Nothing". */
00421         char cargo_suffix[3][512];
00422         GetAllCargoSuffixes(0, CST_FUND, NULL, this->selected_type, indsp, indsp->accepts_cargo, cargo_suffix);
00423         StringID str = STR_INDUSTRY_VIEW_REQUIRES_CARGO;
00424         byte p = 0;
00425         SetDParam(0, STR_JUST_NOTHING);
00426         SetDParamStr(1, "");
00427         for (byte j = 0; j < lengthof(indsp->accepts_cargo); j++) {
00428           if (indsp->accepts_cargo[j] == CT_INVALID) continue;
00429           if (p > 0) str++;
00430           SetDParam(p++, CargoSpec::Get(indsp->accepts_cargo[j])->name);
00431           SetDParamStr(p++, cargo_suffix[j]);
00432         }
00433         DrawString(left, right, y, str);
00434         y += FONT_HEIGHT_NORMAL;
00435 
00436         /* Draw the produced cargoes, if any. Otherwise, will print "Nothing". */
00437         GetAllCargoSuffixes(3, CST_FUND, NULL, this->selected_type, indsp, indsp->produced_cargo, cargo_suffix);
00438         str = STR_INDUSTRY_VIEW_PRODUCES_CARGO;
00439         p = 0;
00440         SetDParam(0, STR_JUST_NOTHING);
00441         SetDParamStr(1, "");
00442         for (byte j = 0; j < lengthof(indsp->produced_cargo); j++) {
00443           if (indsp->produced_cargo[j] == CT_INVALID) continue;
00444           if (p > 0) str++;
00445           SetDParam(p++, CargoSpec::Get(indsp->produced_cargo[j])->name);
00446           SetDParamStr(p++, cargo_suffix[j]);
00447         }
00448         DrawString(left, right, y, str);
00449         y += FONT_HEIGHT_NORMAL;
00450 
00451         /* Get the additional purchase info text, if it has not already been queried. */
00452         str = STR_NULL;
00453         if (HasBit(indsp->callback_mask, CBM_IND_FUND_MORE_TEXT)) {
00454           uint16 callback_res = GetIndustryCallback(CBID_INDUSTRY_FUND_MORE_TEXT, 0, 0, NULL, this->selected_type, INVALID_TILE);
00455           if (callback_res != CALLBACK_FAILED && callback_res != 0x400) {
00456             if (callback_res > 0x400) {
00457               ErrorUnknownCallbackResult(indsp->grf_prop.grffile->grfid, CBID_INDUSTRY_FUND_MORE_TEXT, callback_res);
00458             } else {
00459               str = GetGRFStringID(indsp->grf_prop.grffile->grfid, 0xD000 + callback_res);  // No. here's the new string
00460               if (str != STR_UNDEFINED) {
00461                 StartTextRefStackUsage(6);
00462                 DrawStringMultiLine(left, right, y, bottom, str, TC_YELLOW);
00463                 StopTextRefStackUsage();
00464               }
00465             }
00466           }
00467         }
00468         break;
00469       }
00470     }
00471   }
00472 
00473   virtual void OnClick(Point pt, int widget, int click_count)
00474   {
00475     switch (widget) {
00476       case WID_DPI_MATRIX_WIDGET: {
00477         int y = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_DPI_MATRIX_WIDGET);
00478         if (y < this->count) { // Is it within the boundaries of available data?
00479           this->selected_index = y;
00480           this->selected_type = this->index[y];
00481           const IndustrySpec *indsp = (this->selected_type == INVALID_INDUSTRYTYPE) ? NULL : GetIndustrySpec(this->selected_type);
00482 
00483           this->SetDirty();
00484 
00485           if (_thd.GetCallbackWnd() == this &&
00486               ((_game_mode != GM_EDITOR && _settings_game.construction.raw_industry_construction == 2 && indsp != NULL && indsp->IsRawIndustry()) ||
00487               this->selected_type == INVALID_INDUSTRYTYPE ||
00488               !this->enabled[this->selected_index])) {
00489             /* Reset the button state if going to prospecting or "build many industries" */
00490             this->RaiseButtons();
00491             ResetObjectToPlace();
00492           }
00493 
00494           this->SetButtons();
00495           if (this->enabled[this->selected_index] && click_count > 1) this->OnClick(pt, WID_DPI_FUND_WIDGET, 1);
00496         }
00497         break;
00498       }
00499 
00500       case WID_DPI_DISPLAY_WIDGET:
00501         if (this->selected_type != INVALID_INDUSTRYTYPE) ShowIndustryCargoesWindow(this->selected_type);
00502         break;
00503 
00504       case WID_DPI_FUND_WIDGET: {
00505         if (this->selected_type == INVALID_INDUSTRYTYPE) {
00506           this->HandleButtonClick(WID_DPI_FUND_WIDGET);
00507 
00508           if (Town::GetNumItems() == 0) {
00509             ShowErrorMessage(STR_ERROR_CAN_T_GENERATE_INDUSTRIES, STR_ERROR_MUST_FOUND_TOWN_FIRST, WL_INFO);
00510           } else {
00511             extern void GenerateIndustries();
00512             _generating_world = true;
00513             GenerateIndustries();
00514             _generating_world = false;
00515           }
00516         } else if (_game_mode != GM_EDITOR && _settings_game.construction.raw_industry_construction == 2 && GetIndustrySpec(this->selected_type)->IsRawIndustry()) {
00517           DoCommandP(0, this->selected_type, InteractiveRandom(), CMD_BUILD_INDUSTRY | CMD_MSG(STR_ERROR_CAN_T_CONSTRUCT_THIS_INDUSTRY));
00518           this->HandleButtonClick(WID_DPI_FUND_WIDGET);
00519         } else {
00520           HandlePlacePushButton(this, WID_DPI_FUND_WIDGET, SPR_CURSOR_INDUSTRY, HT_RECT);
00521         }
00522         break;
00523       }
00524     }
00525   }
00526 
00527   virtual void OnResize()
00528   {
00529     /* Adjust the number of items in the matrix depending of the resize */
00530     this->vscroll->SetCapacityFromWidget(this, WID_DPI_MATRIX_WIDGET);
00531     this->GetWidget<NWidgetCore>(WID_DPI_MATRIX_WIDGET)->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
00532   }
00533 
00534   virtual void OnPlaceObject(Point pt, TileIndex tile)
00535   {
00536     bool success = true;
00537     /* We do not need to protect ourselves against "Random Many Industries" in this mode */
00538     const IndustrySpec *indsp = GetIndustrySpec(this->selected_type);
00539     uint32 seed = InteractiveRandom();
00540 
00541     if (_game_mode == GM_EDITOR) {
00542       /* Show error if no town exists at all */
00543       if (Town::GetNumItems() == 0) {
00544         SetDParam(0, indsp->name);
00545         ShowErrorMessage(STR_ERROR_CAN_T_BUILD_HERE, STR_ERROR_MUST_FOUND_TOWN_FIRST, WL_INFO, pt.x, pt.y);
00546         return;
00547       }
00548 
00549       Backup<CompanyByte> cur_company(_current_company, OWNER_NONE, FILE_LINE);
00550       _generating_world = true;
00551       _ignore_restrictions = true;
00552 
00553       DoCommandP(tile, (InteractiveRandomRange(indsp->num_table) << 8) | this->selected_type, seed,
00554           CMD_BUILD_INDUSTRY | CMD_MSG(STR_ERROR_CAN_T_CONSTRUCT_THIS_INDUSTRY), &CcBuildIndustry);
00555 
00556       cur_company.Restore();
00557       _ignore_restrictions = false;
00558       _generating_world = false;
00559     } else {
00560       success = DoCommandP(tile, (InteractiveRandomRange(indsp->num_table) << 8) | this->selected_type, seed, CMD_BUILD_INDUSTRY | CMD_MSG(STR_ERROR_CAN_T_CONSTRUCT_THIS_INDUSTRY));
00561     }
00562 
00563     /* If an industry has been built, just reset the cursor and the system */
00564     if (success && !_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00565   }
00566 
00567   virtual void OnTick()
00568   {
00569     if (_pause_mode != PM_UNPAUSED) return;
00570     if (!this->timer_enabled) return;
00571     if (--this->callback_timer == 0) {
00572       /* We have just passed another day.
00573        * See if we need to update availability of currently selected industry */
00574       this->callback_timer = DAY_TICKS; // restart counter
00575 
00576       const IndustrySpec *indsp = GetIndustrySpec(this->selected_type);
00577 
00578       if (indsp->enabled) {
00579         bool call_back_result = GetIndustryProbabilityCallback(this->selected_type, IACT_USERCREATION, 1) > 0;
00580 
00581         /* Only if result does match the previous state would it require a redraw. */
00582         if (call_back_result != this->enabled[this->selected_index]) {
00583           this->enabled[this->selected_index] = call_back_result;
00584           this->SetButtons();
00585           this->SetDirty();
00586         }
00587       }
00588     }
00589   }
00590 
00591   virtual void OnTimeout()
00592   {
00593     this->RaiseButtons();
00594   }
00595 
00596   virtual void OnPlaceObjectAbort()
00597   {
00598     this->RaiseButtons();
00599   }
00600 
00606   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00607   {
00608     if (!gui_scope) return;
00609     this->SetupArrays();
00610 
00611     const IndustrySpec *indsp = (this->selected_type == INVALID_INDUSTRYTYPE) ? NULL : GetIndustrySpec(this->selected_type);
00612     if (indsp == NULL) this->enabled[this->selected_index] = _settings_game.difficulty.industry_density != ID_FUND_ONLY;
00613     this->SetButtons();
00614   }
00615 };
00616 
00617 void ShowBuildIndustryWindow()
00618 {
00619   if (_game_mode != GM_EDITOR && !Company::IsValidID(_local_company)) return;
00620   if (BringWindowToFrontById(WC_BUILD_INDUSTRY, 0)) return;
00621   new BuildIndustryWindow();
00622 }
00623 
00624 static void UpdateIndustryProduction(Industry *i);
00625 
00626 static inline bool IsProductionAlterable(const Industry *i)
00627 {
00628   const IndustrySpec *is = GetIndustrySpec(i->type);
00629   return ((_game_mode == GM_EDITOR || _cheats.setup_prod.value) &&
00630       (is->production_rate[0] != 0 || is->production_rate[1] != 0 || is->IsRawIndustry()));
00631 }
00632 
00633 class IndustryViewWindow : public Window
00634 {
00636   enum Editability {
00637     EA_NONE,              
00638     EA_MULTIPLIER,        
00639     EA_RATE,              
00640   };
00641 
00643   enum InfoLine {
00644     IL_NONE,              
00645     IL_MULTIPLIER,        
00646     IL_RATE1,             
00647     IL_RATE2,             
00648   };
00649 
00650   Editability editable;     
00651   InfoLine editbox_line;    
00652   InfoLine clicked_line;    
00653   byte clicked_button;      
00654   int production_offset_y;  
00655   int info_height;          
00656 
00657 public:
00658   IndustryViewWindow(WindowDesc *desc, WindowNumber window_number) : Window(desc)
00659   {
00660     this->flags |= WF_DISABLE_VP_SCROLL;
00661     this->editbox_line = IL_NONE;
00662     this->clicked_line = IL_NONE;
00663     this->clicked_button = 0;
00664     this->info_height = WD_FRAMERECT_TOP + 2 * FONT_HEIGHT_NORMAL + WD_FRAMERECT_BOTTOM + 1; // Info panel has at least two lines text.
00665 
00666     this->InitNested(window_number);
00667     NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(WID_IV_VIEWPORT);
00668     nvp->InitializeViewport(this, Industry::Get(window_number)->location.GetCenterTile(), ZOOM_LVL_INDUSTRY);
00669 
00670     this->InvalidateData();
00671   }
00672 
00673   virtual void OnPaint()
00674   {
00675     this->DrawWidgets();
00676 
00677     if (this->IsShaded()) return; // Don't draw anything when the window is shaded.
00678 
00679     NWidgetBase *nwi = this->GetWidget<NWidgetBase>(WID_IV_INFO);
00680     uint expected = this->DrawInfo(nwi->pos_x, nwi->pos_x + nwi->current_x - 1, nwi->pos_y) - nwi->pos_y;
00681     if (expected > nwi->current_y - 1) {
00682       this->info_height = expected + 1;
00683       this->ReInit();
00684       return;
00685     }
00686   }
00687 
00695   int DrawInfo(uint left, uint right, uint top)
00696   {
00697     Industry *i = Industry::Get(this->window_number);
00698     const IndustrySpec *ind = GetIndustrySpec(i->type);
00699     int y = top + WD_FRAMERECT_TOP;
00700     bool first = true;
00701     bool has_accept = false;
00702     char cargo_suffix[3][512];
00703 
00704     if (i->prod_level == PRODLEVEL_CLOSURE) {
00705       DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_INDUSTRY_ANNOUNCED_CLOSURE);
00706       y += 2 * FONT_HEIGHT_NORMAL;
00707     }
00708 
00709     if (HasBit(ind->callback_mask, CBM_IND_PRODUCTION_CARGO_ARRIVAL) || HasBit(ind->callback_mask, CBM_IND_PRODUCTION_256_TICKS)) {
00710       GetAllCargoSuffixes(0, CST_VIEW, i, i->type, ind, i->accepts_cargo, cargo_suffix);
00711       for (byte j = 0; j < lengthof(i->accepts_cargo); j++) {
00712         if (i->accepts_cargo[j] == CT_INVALID) continue;
00713         has_accept = true;
00714         if (first) {
00715           DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_WAITING_FOR_PROCESSING);
00716           y += FONT_HEIGHT_NORMAL;
00717           first = false;
00718         }
00719         SetDParam(0, i->accepts_cargo[j]);
00720         SetDParam(1, i->incoming_cargo_waiting[j]);
00721         SetDParamStr(2, cargo_suffix[j]);
00722         DrawString(left + WD_FRAMETEXT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_WAITING_STOCKPILE_CARGO);
00723         y += FONT_HEIGHT_NORMAL;
00724       }
00725     } else {
00726       GetAllCargoSuffixes(0, CST_VIEW, i, i->type, ind, i->accepts_cargo, cargo_suffix);
00727       StringID str = STR_INDUSTRY_VIEW_REQUIRES_CARGO;
00728       byte p = 0;
00729       for (byte j = 0; j < lengthof(i->accepts_cargo); j++) {
00730         if (i->accepts_cargo[j] == CT_INVALID) continue;
00731         has_accept = true;
00732         if (p > 0) str++;
00733         SetDParam(p++, CargoSpec::Get(i->accepts_cargo[j])->name);
00734         SetDParamStr(p++, cargo_suffix[j]);
00735       }
00736       if (has_accept) {
00737         DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, str);
00738         y += FONT_HEIGHT_NORMAL;
00739       }
00740     }
00741 
00742     GetAllCargoSuffixes(3, CST_VIEW, i, i->type, ind, i->produced_cargo, cargo_suffix);
00743     first = true;
00744     for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
00745       if (i->produced_cargo[j] == CT_INVALID) continue;
00746       if (first) {
00747         if (has_accept) y += WD_PAR_VSEP_WIDE;
00748         DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_PRODUCTION_LAST_MONTH_TITLE);
00749         y += FONT_HEIGHT_NORMAL;
00750         if (this->editable == EA_RATE) this->production_offset_y = y;
00751         first = false;
00752       }
00753 
00754       SetDParam(0, i->produced_cargo[j]);
00755       SetDParam(1, i->last_month_production[j]);
00756       SetDParamStr(2, cargo_suffix[j]);
00757       SetDParam(3, ToPercent8(i->last_month_pct_transported[j]));
00758       uint x = left + WD_FRAMETEXT_LEFT + (this->editable == EA_RATE ? SETTING_BUTTON_WIDTH + 10 : 0);
00759       DrawString(x, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_TRANSPORTED);
00760       /* Let's put out those buttons.. */
00761       if (this->editable == EA_RATE) {
00762         DrawArrowButtons(left + WD_FRAMETEXT_LEFT, y, COLOUR_YELLOW, (this->clicked_line == IL_RATE1 + j) ? this->clicked_button : 0,
00763             i->production_rate[j] > 0, i->production_rate[j] < 255);
00764       }
00765       y += FONT_HEIGHT_NORMAL;
00766     }
00767 
00768     /* Display production multiplier if editable */
00769     if (this->editable == EA_MULTIPLIER) {
00770       y += WD_PAR_VSEP_WIDE;
00771       this->production_offset_y = y;
00772       SetDParam(0, RoundDivSU(i->prod_level * 100, PRODLEVEL_DEFAULT));
00773       uint x = left + WD_FRAMETEXT_LEFT + SETTING_BUTTON_WIDTH + 10;
00774       DrawString(x, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_PRODUCTION_LEVEL);
00775       DrawArrowButtons(left + WD_FRAMETEXT_LEFT, y, COLOUR_YELLOW, (this->clicked_line == IL_MULTIPLIER) ? this->clicked_button : 0,
00776           i->prod_level > PRODLEVEL_MINIMUM, i->prod_level < PRODLEVEL_MAXIMUM);
00777       y += FONT_HEIGHT_NORMAL;
00778     }
00779 
00780     /* Get the extra message for the GUI */
00781     if (HasBit(ind->callback_mask, CBM_IND_WINDOW_MORE_TEXT)) {
00782       uint16 callback_res = GetIndustryCallback(CBID_INDUSTRY_WINDOW_MORE_TEXT, 0, 0, i, i->type, i->location.tile);
00783       if (callback_res != CALLBACK_FAILED && callback_res != 0x400) {
00784         if (callback_res > 0x400) {
00785           ErrorUnknownCallbackResult(ind->grf_prop.grffile->grfid, CBID_INDUSTRY_WINDOW_MORE_TEXT, callback_res);
00786         } else {
00787           StringID message = GetGRFStringID(ind->grf_prop.grffile->grfid, 0xD000 + callback_res);
00788           if (message != STR_NULL && message != STR_UNDEFINED) {
00789             y += WD_PAR_VSEP_WIDE;
00790 
00791             StartTextRefStackUsage(6);
00792             /* Use all the available space left from where we stand up to the
00793              * end of the window. We ALSO enlarge the window if needed, so we
00794              * can 'go' wild with the bottom of the window. */
00795             y = DrawStringMultiLine(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, UINT16_MAX, message, TC_BLACK);
00796             StopTextRefStackUsage();
00797           }
00798         }
00799       }
00800     }
00801     return y + WD_FRAMERECT_BOTTOM;
00802   }
00803 
00804   virtual void SetStringParameters(int widget) const
00805   {
00806     if (widget == WID_IV_CAPTION) SetDParam(0, this->window_number);
00807   }
00808 
00809   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00810   {
00811     if (widget == WID_IV_INFO) size->height = this->info_height;
00812   }
00813 
00814   virtual void OnClick(Point pt, int widget, int click_count)
00815   {
00816     switch (widget) {
00817       case WID_IV_INFO: {
00818         Industry *i = Industry::Get(this->window_number);
00819         InfoLine line = IL_NONE;
00820 
00821         switch (this->editable) {
00822           case EA_NONE: break;
00823 
00824           case EA_MULTIPLIER:
00825             if (IsInsideBS(pt.y, this->production_offset_y, FONT_HEIGHT_NORMAL)) line = IL_MULTIPLIER;
00826             break;
00827 
00828           case EA_RATE:
00829             if (pt.y >= this->production_offset_y) {
00830               int row = (pt.y - this->production_offset_y) / FONT_HEIGHT_NORMAL;
00831               for (uint j = 0; j < lengthof(i->produced_cargo); j++) {
00832                 if (i->produced_cargo[j] == CT_INVALID) continue;
00833                 row--;
00834                 if (row < 0) {
00835                   line = (InfoLine)(IL_RATE1 + j);
00836                   break;
00837                 }
00838               }
00839             }
00840             break;
00841         }
00842         if (line == IL_NONE) return;
00843 
00844         NWidgetBase *nwi = this->GetWidget<NWidgetBase>(widget);
00845         int left = nwi->pos_x + WD_FRAMETEXT_LEFT;
00846         int right = nwi->pos_x + nwi->current_x - 1 - WD_FRAMERECT_RIGHT;
00847         if (IsInsideMM(pt.x, left, left + SETTING_BUTTON_WIDTH)) {
00848           /* Clicked buttons, decrease or increase production */
00849           byte button = (pt.x < left + SETTING_BUTTON_WIDTH / 2) ? 1 : 2;
00850           switch (this->editable) {
00851             case EA_MULTIPLIER:
00852               if (button == 1) {
00853                 if (i->prod_level <= PRODLEVEL_MINIMUM) return;
00854                 i->prod_level = max<uint>(i->prod_level / 2, PRODLEVEL_MINIMUM);
00855               } else {
00856                 if (i->prod_level >= PRODLEVEL_MAXIMUM) return;
00857                 i->prod_level = minu(i->prod_level * 2, PRODLEVEL_MAXIMUM);
00858               }
00859               break;
00860 
00861             case EA_RATE:
00862               if (button == 1) {
00863                 if (i->production_rate[line - IL_RATE1] <= 0) return;
00864                 i->production_rate[line - IL_RATE1] = max(i->production_rate[line - IL_RATE1] / 2, 0);
00865               } else {
00866                 if (i->production_rate[line - IL_RATE1] >= 255) return;
00867                 /* a zero production industry is unlikely to give anything but zero, so push it a little bit */
00868                 int new_prod = i->production_rate[line - IL_RATE1] == 0 ? 1 : i->production_rate[line - IL_RATE1] * 2;
00869                 i->production_rate[line - IL_RATE1] = minu(new_prod, 255);
00870               }
00871               break;
00872 
00873             default: NOT_REACHED();
00874           }
00875 
00876           UpdateIndustryProduction(i);
00877           this->SetDirty();
00878           this->SetTimeout();
00879           this->clicked_line = line;
00880           this->clicked_button = button;
00881         } else if (IsInsideMM(pt.x, left + SETTING_BUTTON_WIDTH + 10, right)) {
00882           /* clicked the text */
00883           this->editbox_line = line;
00884           switch (this->editable) {
00885             case EA_MULTIPLIER:
00886               SetDParam(0, RoundDivSU(i->prod_level * 100, PRODLEVEL_DEFAULT));
00887               ShowQueryString(STR_JUST_INT, STR_CONFIG_GAME_PRODUCTION_LEVEL, 10, this, CS_ALPHANUMERAL, QSF_NONE);
00888               break;
00889 
00890             case EA_RATE:
00891               SetDParam(0, i->production_rate[line - IL_RATE1] * 8);
00892               ShowQueryString(STR_JUST_INT, STR_CONFIG_GAME_PRODUCTION, 10, this, CS_ALPHANUMERAL, QSF_NONE);
00893               break;
00894 
00895             default: NOT_REACHED();
00896           }
00897         }
00898         break;
00899       }
00900 
00901       case WID_IV_GOTO: {
00902         Industry *i = Industry::Get(this->window_number);
00903         if (_ctrl_pressed) {
00904           ShowExtraViewPortWindow(i->location.GetCenterTile());
00905         } else {
00906           ScrollMainWindowToTile(i->location.GetCenterTile());
00907         }
00908         break;
00909       }
00910 
00911       case WID_IV_DISPLAY: {
00912         Industry *i = Industry::Get(this->window_number);
00913         ShowIndustryCargoesWindow(i->type);
00914         break;
00915       }
00916     }
00917   }
00918 
00919   virtual void OnTimeout()
00920   {
00921     this->clicked_line = IL_NONE;
00922     this->clicked_button = 0;
00923     this->SetDirty();
00924   }
00925 
00926   virtual void OnResize()
00927   {
00928     if (this->viewport != NULL) {
00929       NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(WID_IV_VIEWPORT);
00930       nvp->UpdateViewportCoordinates(this);
00931 
00932       ScrollWindowToTile(Industry::Get(this->window_number)->location.GetCenterTile(), this, true); // Re-center viewport.
00933     }
00934   }
00935 
00936   virtual void OnQueryTextFinished(char *str)
00937   {
00938     if (StrEmpty(str)) return;
00939 
00940     Industry *i = Industry::Get(this->window_number);
00941     uint value = atoi(str);
00942     switch (this->editbox_line) {
00943       case IL_NONE: NOT_REACHED();
00944 
00945       case IL_MULTIPLIER:
00946         i->prod_level = ClampU(RoundDivSU(value * PRODLEVEL_DEFAULT, 100), PRODLEVEL_MINIMUM, PRODLEVEL_MAXIMUM);
00947         break;
00948 
00949       default:
00950         i->production_rate[this->editbox_line - IL_RATE1] = ClampU(RoundDivSU(value, 8), 0, 255);
00951         break;
00952     }
00953     UpdateIndustryProduction(i);
00954     this->SetDirty();
00955   }
00956 
00962   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00963   {
00964     if (!gui_scope) return;
00965     const Industry *i = Industry::Get(this->window_number);
00966     if (IsProductionAlterable(i)) {
00967       const IndustrySpec *ind = GetIndustrySpec(i->type);
00968       this->editable = ind->UsesSmoothEconomy() ? EA_RATE : EA_MULTIPLIER;
00969     } else {
00970       this->editable = EA_NONE;
00971     }
00972   }
00973 
00974   virtual bool IsNewGRFInspectable() const
00975   {
00976     return ::IsNewGRFInspectable(GSF_INDUSTRIES, this->window_number);
00977   }
00978 
00979   virtual void ShowNewGRFInspectWindow() const
00980   {
00981 		::ShowNewGRFInspectWindow(GSF_INDUSTRIES, this->window_number);
00982   }
00983 };
00984 
00985 static void UpdateIndustryProduction(Industry *i)
00986 {
00987   const IndustrySpec *indspec = GetIndustrySpec(i->type);
00988   if (!indspec->UsesSmoothEconomy()) i->RecomputeProductionMultipliers();
00989 
00990   for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
00991     if (i->produced_cargo[j] != CT_INVALID) {
00992       i->last_month_production[j] = 8 * i->production_rate[j];
00993     }
00994   }
00995 }
00996 
00998 static const NWidgetPart _nested_industry_view_widgets[] = {
00999   NWidget(NWID_HORIZONTAL),
01000     NWidget(WWT_CLOSEBOX, COLOUR_CREAM),
01001     NWidget(WWT_CAPTION, COLOUR_CREAM, WID_IV_CAPTION), SetDataTip(STR_INDUSTRY_VIEW_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01002     NWidget(WWT_DEBUGBOX, COLOUR_CREAM),
01003     NWidget(WWT_SHADEBOX, COLOUR_CREAM),
01004     NWidget(WWT_DEFSIZEBOX, COLOUR_CREAM),
01005     NWidget(WWT_STICKYBOX, COLOUR_CREAM),
01006   EndContainer(),
01007   NWidget(WWT_PANEL, COLOUR_CREAM),
01008     NWidget(WWT_INSET, COLOUR_CREAM), SetPadding(2, 2, 2, 2),
01009       NWidget(NWID_VIEWPORT, INVALID_COLOUR, WID_IV_VIEWPORT), SetMinimalSize(254, 86), SetFill(1, 0), SetPadding(1, 1, 1, 1), SetResize(1, 1),
01010     EndContainer(),
01011   EndContainer(),
01012   NWidget(WWT_PANEL, COLOUR_CREAM, WID_IV_INFO), SetMinimalSize(260, 2), SetResize(1, 0),
01013   EndContainer(),
01014   NWidget(NWID_HORIZONTAL),
01015     NWidget(WWT_PUSHTXTBTN, COLOUR_CREAM, WID_IV_GOTO), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_BUTTON_LOCATION, STR_INDUSTRY_VIEW_LOCATION_TOOLTIP),
01016     NWidget(WWT_PUSHTXTBTN, COLOUR_CREAM, WID_IV_DISPLAY), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_INDUSTRY_DISPLAY_CHAIN, STR_INDUSTRY_DISPLAY_CHAIN_TOOLTIP),
01017     NWidget(WWT_RESIZEBOX, COLOUR_CREAM),
01018   EndContainer(),
01019 };
01020 
01022 static WindowDesc _industry_view_desc(
01023   WDP_AUTO, "view_industry", 260, 120,
01024   WC_INDUSTRY_VIEW, WC_NONE,
01025   0,
01026   _nested_industry_view_widgets, lengthof(_nested_industry_view_widgets)
01027 );
01028 
01029 void ShowIndustryViewWindow(int industry)
01030 {
01031   AllocateWindowDescFront<IndustryViewWindow>(&_industry_view_desc, industry);
01032 }
01033 
01035 static const NWidgetPart _nested_industry_directory_widgets[] = {
01036   NWidget(NWID_HORIZONTAL),
01037     NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
01038     NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_INDUSTRY_DIRECTORY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01039     NWidget(WWT_SHADEBOX, COLOUR_BROWN),
01040     NWidget(WWT_DEFSIZEBOX, COLOUR_BROWN),
01041     NWidget(WWT_STICKYBOX, COLOUR_BROWN),
01042   EndContainer(),
01043   NWidget(NWID_HORIZONTAL),
01044     NWidget(NWID_VERTICAL),
01045       NWidget(NWID_HORIZONTAL),
01046         NWidget(WWT_TEXTBTN, COLOUR_BROWN, WID_ID_DROPDOWN_ORDER), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
01047         NWidget(WWT_DROPDOWN, COLOUR_BROWN, WID_ID_DROPDOWN_CRITERIA), SetDataTip(STR_JUST_STRING, STR_TOOLTIP_SORT_CRITERIA),
01048         NWidget(WWT_PANEL, COLOUR_BROWN), SetResize(1, 0), EndContainer(),
01049       EndContainer(),
01050       NWidget(WWT_PANEL, COLOUR_BROWN, WID_ID_INDUSTRY_LIST), SetDataTip(0x0, STR_INDUSTRY_DIRECTORY_LIST_CAPTION), SetResize(1, 1), SetScrollbar(WID_ID_SCROLLBAR), EndContainer(),
01051     EndContainer(),
01052     NWidget(NWID_VERTICAL),
01053       NWidget(NWID_VSCROLLBAR, COLOUR_BROWN, WID_ID_SCROLLBAR),
01054       NWidget(WWT_RESIZEBOX, COLOUR_BROWN),
01055     EndContainer(),
01056   EndContainer(),
01057 };
01058 
01059 typedef GUIList<const Industry*> GUIIndustryList;
01060 
01061 
01065 class IndustryDirectoryWindow : public Window {
01066 protected:
01067   /* Runtime saved values */
01068   static Listing last_sorting;
01069   static const Industry *last_industry;
01070 
01071   /* Constants for sorting stations */
01072   static const StringID sorter_names[];
01073   static GUIIndustryList::SortFunction * const sorter_funcs[];
01074 
01075   GUIIndustryList industries;
01076   Scrollbar *vscroll;
01077 
01079   void BuildSortIndustriesList()
01080   {
01081     if (this->industries.NeedRebuild()) {
01082       this->industries.Clear();
01083 
01084       const Industry *i;
01085       FOR_ALL_INDUSTRIES(i) {
01086         *this->industries.Append() = i;
01087       }
01088 
01089       this->industries.Compact();
01090       this->industries.RebuildDone();
01091       this->vscroll->SetCount(this->industries.Length()); // Update scrollbar as well.
01092     }
01093 
01094     if (!this->industries.Sort()) return;
01095     IndustryDirectoryWindow::last_industry = NULL; // Reset name sorter sort cache
01096     this->SetWidgetDirty(WID_ID_INDUSTRY_LIST); // Set the modified widget dirty
01097   }
01098 
01106   static inline int GetCargoTransportedPercentsIfValid(const Industry *i, uint id)
01107   {
01108     assert(id < lengthof(i->produced_cargo));
01109 
01110     if (i->produced_cargo[id] == CT_INVALID) return 101;
01111     return ToPercent8(i->last_month_pct_transported[id]);
01112   }
01113 
01121   static int GetCargoTransportedSortValue(const Industry *i)
01122   {
01123     int p1 = GetCargoTransportedPercentsIfValid(i, 0);
01124     int p2 = GetCargoTransportedPercentsIfValid(i, 1);
01125 
01126     if (p1 > p2) Swap(p1, p2); // lower value has higher priority
01127 
01128     return (p1 << 8) + p2;
01129   }
01130 
01132   static int CDECL IndustryNameSorter(const Industry * const *a, const Industry * const *b)
01133   {
01134     static char buf_cache[96];
01135     static char buf[96];
01136 
01137     SetDParam(0, (*a)->index);
01138     GetString(buf, STR_INDUSTRY_NAME, lastof(buf));
01139 
01140     if (*b != last_industry) {
01141       last_industry = *b;
01142       SetDParam(0, (*b)->index);
01143       GetString(buf_cache, STR_INDUSTRY_NAME, lastof(buf_cache));
01144     }
01145 
01146     return strnatcmp(buf, buf_cache); // Sort by name (natural sorting).
01147   }
01148 
01150   static int CDECL IndustryTypeSorter(const Industry * const *a, const Industry * const *b)
01151   {
01152     int it_a = 0;
01153     while (it_a != NUM_INDUSTRYTYPES && (*a)->type != _sorted_industry_types[it_a]) it_a++;
01154     int it_b = 0;
01155     while (it_b != NUM_INDUSTRYTYPES && (*b)->type != _sorted_industry_types[it_b]) it_b++;
01156     int r = it_a - it_b;
01157     return (r == 0) ? IndustryNameSorter(a, b) : r;
01158   }
01159 
01161   static int CDECL IndustryProductionSorter(const Industry * const *a, const Industry * const *b)
01162   {
01163     uint prod_a = 0, prod_b = 0;
01164     for (uint i = 0; i < lengthof((*a)->produced_cargo); i++) {
01165       if ((*a)->produced_cargo[i] != CT_INVALID) prod_a += (*a)->last_month_production[i];
01166       if ((*b)->produced_cargo[i] != CT_INVALID) prod_b += (*b)->last_month_production[i];
01167     }
01168     int r = prod_a - prod_b;
01169 
01170     return (r == 0) ? IndustryTypeSorter(a, b) : r;
01171   }
01172 
01174   static int CDECL IndustryTransportedCargoSorter(const Industry * const *a, const Industry * const *b)
01175   {
01176     int r = GetCargoTransportedSortValue(*a) - GetCargoTransportedSortValue(*b);
01177     return (r == 0) ? IndustryNameSorter(a, b) : r;
01178   }
01179 
01185   StringID GetIndustryString(const Industry *i) const
01186   {
01187     const IndustrySpec *indsp = GetIndustrySpec(i->type);
01188     byte p = 0;
01189 
01190     /* Industry name */
01191     SetDParam(p++, i->index);
01192 
01193     static char cargo_suffix[lengthof(i->produced_cargo)][512];
01194     GetAllCargoSuffixes(3, CST_DIR, i, i->type, indsp, i->produced_cargo, cargo_suffix);
01195 
01196     /* Industry productions */
01197     for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
01198       if (i->produced_cargo[j] == CT_INVALID) continue;
01199       SetDParam(p++, i->produced_cargo[j]);
01200       SetDParam(p++, i->last_month_production[j]);
01201       SetDParamStr(p++, cargo_suffix[j]);
01202     }
01203 
01204     /* Transported productions */
01205     for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
01206       if (i->produced_cargo[j] == CT_INVALID) continue;
01207       SetDParam(p++, ToPercent8(i->last_month_pct_transported[j]));
01208     }
01209 
01210     /* Drawing the right string */
01211     switch (p) {
01212       case 1:  return STR_INDUSTRY_DIRECTORY_ITEM_NOPROD;
01213       case 5:  return STR_INDUSTRY_DIRECTORY_ITEM;
01214       default: return STR_INDUSTRY_DIRECTORY_ITEM_TWO;
01215     }
01216   }
01217 
01218 public:
01219   IndustryDirectoryWindow(WindowDesc *desc, WindowNumber number) : Window(desc)
01220   {
01221     this->CreateNestedTree();
01222     this->vscroll = this->GetScrollbar(WID_ID_SCROLLBAR);
01223 
01224     this->industries.SetListing(this->last_sorting);
01225     this->industries.SetSortFuncs(IndustryDirectoryWindow::sorter_funcs);
01226     this->industries.ForceRebuild();
01227     this->BuildSortIndustriesList();
01228 
01229     this->FinishInitNested(0);
01230   }
01231 
01232   ~IndustryDirectoryWindow()
01233   {
01234     this->last_sorting = this->industries.GetListing();
01235   }
01236 
01237   virtual void SetStringParameters(int widget) const
01238   {
01239     if (widget == WID_ID_DROPDOWN_CRITERIA) SetDParam(0, IndustryDirectoryWindow::sorter_names[this->industries.SortType()]);
01240   }
01241 
01242   virtual void DrawWidget(const Rect &r, int widget) const
01243   {
01244     switch (widget) {
01245       case WID_ID_DROPDOWN_ORDER:
01246         this->DrawSortButtonState(widget, this->industries.IsDescSortOrder() ? SBS_DOWN : SBS_UP);
01247         break;
01248 
01249       case WID_ID_INDUSTRY_LIST: {
01250         int n = 0;
01251         int y = r.top + WD_FRAMERECT_TOP;
01252         if (this->industries.Length() == 0) {
01253           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_DIRECTORY_NONE);
01254           break;
01255         }
01256         for (uint i = this->vscroll->GetPosition(); i < this->industries.Length(); i++) {
01257           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, this->GetIndustryString(this->industries[i]));
01258 
01259           y += this->resize.step_height;
01260           if (++n == this->vscroll->GetCapacity()) break; // max number of industries in 1 window
01261         }
01262         break;
01263       }
01264     }
01265   }
01266 
01267   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01268   {
01269     switch (widget) {
01270       case WID_ID_DROPDOWN_ORDER: {
01271         Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
01272         d.width += padding.width + WD_SORTBUTTON_ARROW_WIDTH * 2; // Doubled since the string is centred and it also looks better.
01273         d.height += padding.height;
01274         *size = maxdim(*size, d);
01275         break;
01276       }
01277 
01278       case WID_ID_DROPDOWN_CRITERIA: {
01279         Dimension d = {0, 0};
01280         for (uint i = 0; IndustryDirectoryWindow::sorter_names[i] != INVALID_STRING_ID; i++) {
01281           d = maxdim(d, GetStringBoundingBox(IndustryDirectoryWindow::sorter_names[i]));
01282         }
01283         d.width += padding.width;
01284         d.height += padding.height;
01285         *size = maxdim(*size, d);
01286         break;
01287       }
01288 
01289       case WID_ID_INDUSTRY_LIST: {
01290         Dimension d = GetStringBoundingBox(STR_INDUSTRY_DIRECTORY_NONE);
01291         for (uint i = 0; i < this->industries.Length(); i++) {
01292           d = maxdim(d, GetStringBoundingBox(this->GetIndustryString(this->industries[i])));
01293         }
01294         resize->height = d.height;
01295         d.height *= 5;
01296         d.width += padding.width + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
01297         d.height += padding.height + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
01298         *size = maxdim(*size, d);
01299         break;
01300       }
01301     }
01302   }
01303 
01304 
01305   virtual void OnClick(Point pt, int widget, int click_count)
01306   {
01307     switch (widget) {
01308       case WID_ID_DROPDOWN_ORDER:
01309         this->industries.ToggleSortOrder();
01310         this->SetDirty();
01311         break;
01312 
01313       case WID_ID_DROPDOWN_CRITERIA:
01314         ShowDropDownMenu(this, IndustryDirectoryWindow::sorter_names, this->industries.SortType(), WID_ID_DROPDOWN_CRITERIA, 0, 0);
01315         break;
01316 
01317       case WID_ID_INDUSTRY_LIST: {
01318         uint p = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_ID_INDUSTRY_LIST, WD_FRAMERECT_TOP);
01319         if (p < this->industries.Length()) {
01320           if (_ctrl_pressed) {
01321             ShowExtraViewPortWindow(this->industries[p]->location.tile);
01322           } else {
01323             ScrollMainWindowToTile(this->industries[p]->location.tile);
01324           }
01325         }
01326         break;
01327       }
01328     }
01329   }
01330 
01331   virtual void OnDropdownSelect(int widget, int index)
01332   {
01333     if (this->industries.SortType() != index) {
01334       this->industries.SetSortType(index);
01335       this->BuildSortIndustriesList();
01336     }
01337   }
01338 
01339   virtual void OnResize()
01340   {
01341     this->vscroll->SetCapacityFromWidget(this, WID_ID_INDUSTRY_LIST);
01342   }
01343 
01344   virtual void OnPaint()
01345   {
01346     if (this->industries.NeedRebuild()) this->BuildSortIndustriesList();
01347     this->DrawWidgets();
01348   }
01349 
01350   virtual void OnHundredthTick()
01351   {
01352     this->industries.ForceResort();
01353     this->BuildSortIndustriesList();
01354   }
01355 
01361   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
01362   {
01363     if (data == 0) {
01364       /* This needs to be done in command-scope to enforce rebuilding before resorting invalid data */
01365       this->industries.ForceRebuild();
01366     } else {
01367       this->industries.ForceResort();
01368     }
01369   }
01370 };
01371 
01372 Listing IndustryDirectoryWindow::last_sorting = {false, 0};
01373 const Industry *IndustryDirectoryWindow::last_industry = NULL;
01374 
01375 /* Available station sorting functions. */
01376 GUIIndustryList::SortFunction * const IndustryDirectoryWindow::sorter_funcs[] = {
01377   &IndustryNameSorter,
01378   &IndustryTypeSorter,
01379   &IndustryProductionSorter,
01380   &IndustryTransportedCargoSorter
01381 };
01382 
01383 /* Names of the sorting functions */
01384 const StringID IndustryDirectoryWindow::sorter_names[] = {
01385   STR_SORT_BY_NAME,
01386   STR_SORT_BY_TYPE,
01387   STR_SORT_BY_PRODUCTION,
01388   STR_SORT_BY_TRANSPORTED,
01389   INVALID_STRING_ID
01390 };
01391 
01392 
01394 static WindowDesc _industry_directory_desc(
01395   WDP_AUTO, "list_industries", 428, 190,
01396   WC_INDUSTRY_DIRECTORY, WC_NONE,
01397   0,
01398   _nested_industry_directory_widgets, lengthof(_nested_industry_directory_widgets)
01399 );
01400 
01401 void ShowIndustryDirectory()
01402 {
01403   AllocateWindowDescFront<IndustryDirectoryWindow>(&_industry_directory_desc, 0);
01404 }
01405 
01407 static const NWidgetPart _nested_industry_cargoes_widgets[] = {
01408   NWidget(NWID_HORIZONTAL),
01409     NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
01410     NWidget(WWT_CAPTION, COLOUR_BROWN, WID_IC_CAPTION), SetDataTip(STR_INDUSTRY_CARGOES_INDUSTRY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01411     NWidget(WWT_SHADEBOX, COLOUR_BROWN),
01412     NWidget(WWT_DEFSIZEBOX, COLOUR_BROWN),
01413     NWidget(WWT_STICKYBOX, COLOUR_BROWN),
01414   EndContainer(),
01415   NWidget(NWID_HORIZONTAL),
01416     NWidget(NWID_VERTICAL),
01417       NWidget(WWT_PANEL, COLOUR_BROWN, WID_IC_PANEL), SetResize(1, 10), SetMinimalSize(200, 90), SetScrollbar(WID_IC_SCROLLBAR), EndContainer(),
01418       NWidget(NWID_HORIZONTAL),
01419         NWidget(WWT_TEXTBTN, COLOUR_BROWN, WID_IC_NOTIFY),
01420           SetDataTip(STR_INDUSTRY_CARGOES_NOTIFY_SMALLMAP, STR_INDUSTRY_CARGOES_NOTIFY_SMALLMAP_TOOLTIP),
01421         NWidget(WWT_PANEL, COLOUR_BROWN), SetFill(1, 0), SetResize(0, 0), EndContainer(),
01422         NWidget(WWT_DROPDOWN, COLOUR_BROWN, WID_IC_IND_DROPDOWN), SetFill(0, 0), SetResize(0, 0),
01423             SetDataTip(STR_INDUSTRY_CARGOES_SELECT_INDUSTRY, STR_INDUSTRY_CARGOES_SELECT_INDUSTRY_TOOLTIP),
01424         NWidget(WWT_DROPDOWN, COLOUR_BROWN, WID_IC_CARGO_DROPDOWN), SetFill(0, 0), SetResize(0, 0),
01425             SetDataTip(STR_INDUSTRY_CARGOES_SELECT_CARGO, STR_INDUSTRY_CARGOES_SELECT_CARGO_TOOLTIP),
01426       EndContainer(),
01427     EndContainer(),
01428     NWidget(NWID_VERTICAL),
01429       NWidget(NWID_VSCROLLBAR, COLOUR_BROWN, WID_IC_SCROLLBAR),
01430       NWidget(WWT_RESIZEBOX, COLOUR_BROWN),
01431     EndContainer(),
01432   EndContainer(),
01433 };
01434 
01436 static WindowDesc _industry_cargoes_desc(
01437   WDP_AUTO, "industry_cargoes", 300, 210,
01438   WC_INDUSTRY_CARGOES, WC_NONE,
01439   0,
01440   _nested_industry_cargoes_widgets, lengthof(_nested_industry_cargoes_widgets)
01441 );
01442 
01444 enum CargoesFieldType {
01445   CFT_EMPTY,       
01446   CFT_SMALL_EMPTY, 
01447   CFT_INDUSTRY,    
01448   CFT_CARGO,       
01449   CFT_CARGO_LABEL, 
01450   CFT_HEADER,      
01451 };
01452 
01453 static const uint MAX_CARGOES = 3; 
01454 
01456 struct CargoesField {
01457   static const int VERT_INTER_INDUSTRY_SPACE;
01458   static const int HOR_CARGO_BORDER_SPACE;
01459   static const int CARGO_STUB_WIDTH;
01460   static const int HOR_CARGO_WIDTH, HOR_CARGO_SPACE;
01461   static const int CARGO_FIELD_WIDTH;
01462   static const int VERT_CARGO_SPACE, VERT_CARGO_EDGE;
01463   static const int BLOB_DISTANCE, BLOB_WIDTH, BLOB_HEIGHT;
01464 
01465   static const int INDUSTRY_LINE_COLOUR;
01466   static const int CARGO_LINE_COLOUR;
01467 
01468   static int small_height, normal_height;
01469   static int industry_width;
01470 
01471   CargoesFieldType type; 
01472   union {
01473     struct {
01474       IndustryType ind_type;                 
01475       CargoID other_produced[MAX_CARGOES];   
01476       CargoID other_accepted[MAX_CARGOES];   
01477     } industry; 
01478     struct {
01479       CargoID vertical_cargoes[MAX_CARGOES]; 
01480       byte num_cargoes;                      
01481       CargoID supp_cargoes[MAX_CARGOES];     
01482       byte top_end;                          
01483       CargoID cust_cargoes[MAX_CARGOES];     
01484       byte bottom_end;                       
01485     } cargo; 
01486     struct {
01487       CargoID cargoes[MAX_CARGOES];          
01488       bool left_align;                       
01489     } cargo_label;   
01490     StringID header; 
01491   } u; // Data for each type.
01492 
01497   void MakeEmpty(CargoesFieldType type)
01498   {
01499     this->type = type;
01500   }
01501 
01507   void MakeIndustry(IndustryType ind_type)
01508   {
01509     this->type = CFT_INDUSTRY;
01510     this->u.industry.ind_type = ind_type;
01511     MemSetT(this->u.industry.other_accepted, INVALID_CARGO, MAX_CARGOES);
01512     MemSetT(this->u.industry.other_produced, INVALID_CARGO, MAX_CARGOES);
01513   }
01514 
01521   int ConnectCargo(CargoID cargo, bool producer)
01522   {
01523     assert(this->type == CFT_CARGO);
01524     if (cargo == INVALID_CARGO) return -1;
01525 
01526     /* Find the vertical cargo column carrying the cargo. */
01527     int column = -1;
01528     for (int i = 0; i < this->u.cargo.num_cargoes; i++) {
01529       if (cargo == this->u.cargo.vertical_cargoes[i]) {
01530         column = i;
01531         break;
01532       }
01533     }
01534     if (column < 0) return -1;
01535 
01536     if (producer) {
01537       assert(this->u.cargo.supp_cargoes[column] == INVALID_CARGO);
01538       this->u.cargo.supp_cargoes[column]  = column;
01539     } else {
01540       assert(this->u.cargo.cust_cargoes[column] == INVALID_CARGO);
01541       this->u.cargo.cust_cargoes[column] = column;
01542     }
01543     return column;
01544   }
01545 
01550   bool HasConnection()
01551   {
01552     assert(this->type == CFT_CARGO);
01553 
01554     for (uint i = 0; i < MAX_CARGOES; i++) {
01555       if (this->u.cargo.supp_cargoes[i] != INVALID_CARGO) return true;
01556       if (this->u.cargo.cust_cargoes[i] != INVALID_CARGO) return true;
01557     }
01558     return false;
01559   }
01560 
01570   void MakeCargo(const CargoID *cargoes, uint length, int count = -1, bool top_end = false, bool bottom_end = false)
01571   {
01572     this->type = CFT_CARGO;
01573     uint i;
01574     uint num = 0;
01575     for (i = 0; i < MAX_CARGOES && i < length; i++) {
01576       if (cargoes[i] != INVALID_CARGO) {
01577         this->u.cargo.vertical_cargoes[num] = cargoes[i];
01578         num++;
01579       }
01580     }
01581     this->u.cargo.num_cargoes = (count < 0) ? num : count;
01582     for (; num < MAX_CARGOES; num++) this->u.cargo.vertical_cargoes[num] = INVALID_CARGO;
01583     this->u.cargo.top_end = top_end;
01584     this->u.cargo.bottom_end = bottom_end;
01585     MemSetT(this->u.cargo.supp_cargoes, INVALID_CARGO, MAX_CARGOES);
01586     MemSetT(this->u.cargo.cust_cargoes, INVALID_CARGO, MAX_CARGOES);
01587   }
01588 
01595   void MakeCargoLabel(const CargoID *cargoes, uint length, bool left_align)
01596   {
01597     this->type = CFT_CARGO_LABEL;
01598     uint i;
01599     for (i = 0; i < MAX_CARGOES && i < length; i++) this->u.cargo_label.cargoes[i] = cargoes[i];
01600     for (; i < MAX_CARGOES; i++) this->u.cargo_label.cargoes[i] = INVALID_CARGO;
01601     this->u.cargo_label.left_align = left_align;
01602   }
01603 
01608   void MakeHeader(StringID textid)
01609   {
01610     this->type = CFT_HEADER;
01611     this->u.header = textid;
01612   }
01613 
01619   int GetCargoBase(int xpos) const
01620   {
01621     assert(this->type == CFT_CARGO);
01622 
01623     switch (this->u.cargo.num_cargoes) {
01624       case 0: return xpos + CARGO_FIELD_WIDTH / 2;
01625       case 1: return xpos + CARGO_FIELD_WIDTH / 2 - HOR_CARGO_WIDTH / 2;
01626       case 2: return xpos + CARGO_FIELD_WIDTH / 2 - HOR_CARGO_WIDTH - HOR_CARGO_SPACE / 2;
01627       case 3: return xpos + CARGO_FIELD_WIDTH / 2 - HOR_CARGO_WIDTH - HOR_CARGO_SPACE - HOR_CARGO_WIDTH / 2;
01628       default: NOT_REACHED();
01629     }
01630   }
01631 
01637   void Draw(int xpos, int ypos) const
01638   {
01639     switch (this->type) {
01640       case CFT_EMPTY:
01641       case CFT_SMALL_EMPTY:
01642         break;
01643 
01644       case CFT_HEADER:
01645         ypos += (small_height - FONT_HEIGHT_NORMAL) / 2;
01646         DrawString(xpos, xpos + industry_width, ypos, this->u.header, TC_WHITE, SA_HOR_CENTER);
01647         break;
01648 
01649       case CFT_INDUSTRY: {
01650         int ypos1 = ypos + VERT_INTER_INDUSTRY_SPACE / 2;
01651         int ypos2 = ypos + normal_height - 1 - VERT_INTER_INDUSTRY_SPACE / 2;
01652         int xpos2 = xpos + industry_width - 1;
01653         GfxDrawLine(xpos,  ypos1, xpos2, ypos1, INDUSTRY_LINE_COLOUR);
01654         GfxDrawLine(xpos,  ypos1, xpos,  ypos2, INDUSTRY_LINE_COLOUR);
01655         GfxDrawLine(xpos,  ypos2, xpos2, ypos2, INDUSTRY_LINE_COLOUR);
01656         GfxDrawLine(xpos2, ypos1, xpos2, ypos2, INDUSTRY_LINE_COLOUR);
01657         ypos += (normal_height - FONT_HEIGHT_NORMAL) / 2;
01658         if (this->u.industry.ind_type < NUM_INDUSTRYTYPES) {
01659           const IndustrySpec *indsp = GetIndustrySpec(this->u.industry.ind_type);
01660           SetDParam(0, indsp->name);
01661           DrawString(xpos, xpos2, ypos, STR_JUST_STRING, TC_WHITE, SA_HOR_CENTER);
01662 
01663           /* Draw the industry legend. */
01664           int blob_left, blob_right;
01665           if (_current_text_dir == TD_RTL) {
01666             blob_right = xpos2 - BLOB_DISTANCE;
01667             blob_left  = blob_right - BLOB_WIDTH;
01668           } else {
01669             blob_left  = xpos + BLOB_DISTANCE;
01670             blob_right = blob_left + BLOB_WIDTH;
01671           }
01672           GfxFillRect(blob_left,     ypos2 - BLOB_DISTANCE - BLOB_HEIGHT,     blob_right,     ypos2 - BLOB_DISTANCE,     PC_BLACK); // Border
01673           GfxFillRect(blob_left + 1, ypos2 - BLOB_DISTANCE - BLOB_HEIGHT + 1, blob_right - 1, ypos2 - BLOB_DISTANCE - 1, indsp->map_colour);
01674         } else {
01675           DrawString(xpos, xpos2, ypos, STR_INDUSTRY_CARGOES_HOUSES, TC_FROMSTRING, SA_HOR_CENTER);
01676         }
01677 
01678         /* Draw the other_produced/other_accepted cargoes. */
01679         const CargoID *other_right, *other_left;
01680         if (_current_text_dir == TD_RTL) {
01681           other_right = this->u.industry.other_accepted;
01682           other_left  = this->u.industry.other_produced;
01683         } else {
01684           other_right = this->u.industry.other_produced;
01685           other_left  = this->u.industry.other_accepted;
01686         }
01687         ypos1 += VERT_CARGO_EDGE;
01688         for (uint i = 0; i < MAX_CARGOES; i++) {
01689           if (other_right[i] != INVALID_CARGO) {
01690             const CargoSpec *csp = CargoSpec::Get(other_right[i]);
01691             int xp = xpos + industry_width + CARGO_STUB_WIDTH;
01692             DrawHorConnection(xpos + industry_width, xp - 1, ypos1, csp);
01693             GfxDrawLine(xp, ypos1, xp, ypos1 + FONT_HEIGHT_NORMAL - 1, CARGO_LINE_COLOUR);
01694           }
01695           if (other_left[i] != INVALID_CARGO) {
01696             const CargoSpec *csp = CargoSpec::Get(other_left[i]);
01697             int xp = xpos - CARGO_STUB_WIDTH;
01698             DrawHorConnection(xp + 1, xpos - 1, ypos1, csp);
01699             GfxDrawLine(xp, ypos1, xp, ypos1 + FONT_HEIGHT_NORMAL - 1, CARGO_LINE_COLOUR);
01700           }
01701           ypos1 += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
01702         }
01703         break;
01704       }
01705 
01706       case CFT_CARGO: {
01707         int cargo_base = this->GetCargoBase(xpos);
01708         int top = ypos + (this->u.cargo.top_end ? VERT_INTER_INDUSTRY_SPACE / 2 + 1 : 0);
01709         int bot = ypos - (this->u.cargo.bottom_end ? VERT_INTER_INDUSTRY_SPACE / 2 + 1 : 0) + normal_height - 1;
01710         int colpos = cargo_base;
01711         for (int i = 0; i < this->u.cargo.num_cargoes; i++) {
01712           if (this->u.cargo.top_end) GfxDrawLine(colpos, top - 1, colpos + HOR_CARGO_WIDTH - 1, top - 1, CARGO_LINE_COLOUR);
01713           if (this->u.cargo.bottom_end) GfxDrawLine(colpos, bot + 1, colpos + HOR_CARGO_WIDTH - 1, bot + 1, CARGO_LINE_COLOUR);
01714           GfxDrawLine(colpos, top, colpos, bot, CARGO_LINE_COLOUR);
01715           colpos++;
01716           const CargoSpec *csp = CargoSpec::Get(this->u.cargo.vertical_cargoes[i]);
01717           GfxFillRect(colpos, top, colpos + HOR_CARGO_WIDTH - 2, bot, csp->legend_colour, FILLRECT_OPAQUE);
01718           colpos += HOR_CARGO_WIDTH - 2;
01719           GfxDrawLine(colpos, top, colpos, bot, CARGO_LINE_COLOUR);
01720           colpos += 1 + HOR_CARGO_SPACE;
01721         }
01722 
01723         const CargoID *hor_left, *hor_right;
01724         if (_current_text_dir == TD_RTL) {
01725           hor_left  = this->u.cargo.cust_cargoes;
01726           hor_right = this->u.cargo.supp_cargoes;
01727         } else {
01728           hor_left  = this->u.cargo.supp_cargoes;
01729           hor_right = this->u.cargo.cust_cargoes;
01730         }
01731         ypos += VERT_CARGO_EDGE + VERT_INTER_INDUSTRY_SPACE / 2;
01732         for (uint i = 0; i < MAX_CARGOES; i++) {
01733           if (hor_left[i] != INVALID_CARGO) {
01734             int col = hor_left[i];
01735             int dx = 0;
01736             const CargoSpec *csp = CargoSpec::Get(this->u.cargo.vertical_cargoes[col]);
01737             for (; col > 0; col--) {
01738               int lf = cargo_base + col * HOR_CARGO_WIDTH + (col - 1) * HOR_CARGO_SPACE;
01739               DrawHorConnection(lf, lf + HOR_CARGO_SPACE - dx, ypos, csp);
01740               dx = 1;
01741             }
01742             DrawHorConnection(xpos, cargo_base - dx, ypos, csp);
01743           }
01744           if (hor_right[i] != INVALID_CARGO) {
01745             int col = hor_right[i];
01746             int dx = 0;
01747             const CargoSpec *csp = CargoSpec::Get(this->u.cargo.vertical_cargoes[col]);
01748             for (; col < this->u.cargo.num_cargoes - 1; col++) {
01749               int lf = cargo_base + (col + 1) * HOR_CARGO_WIDTH + col * HOR_CARGO_SPACE;
01750               DrawHorConnection(lf + dx - 1, lf + HOR_CARGO_SPACE - 1, ypos, csp);
01751               dx = 1;
01752             }
01753             DrawHorConnection(cargo_base + col * HOR_CARGO_SPACE + (col + 1) * HOR_CARGO_WIDTH - 1 + dx, xpos + CARGO_FIELD_WIDTH - 1, ypos, csp);
01754           }
01755           ypos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
01756         }
01757         break;
01758       }
01759 
01760       case CFT_CARGO_LABEL:
01761         ypos += VERT_CARGO_EDGE + VERT_INTER_INDUSTRY_SPACE / 2;
01762         for (uint i = 0; i < MAX_CARGOES; i++) {
01763           if (this->u.cargo_label.cargoes[i] != INVALID_CARGO) {
01764             const CargoSpec *csp = CargoSpec::Get(this->u.cargo_label.cargoes[i]);
01765             DrawString(xpos + WD_FRAMERECT_LEFT, xpos + industry_width - 1 - WD_FRAMERECT_RIGHT, ypos, csp->name, TC_WHITE,
01766                 (this->u.cargo_label.left_align) ? SA_LEFT : SA_RIGHT);
01767           }
01768           ypos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
01769         }
01770         break;
01771 
01772       default:
01773         NOT_REACHED();
01774     }
01775   }
01776 
01784   CargoID CargoClickedAt(const CargoesField *left, const CargoesField *right, Point pt) const
01785   {
01786     assert(this->type == CFT_CARGO);
01787 
01788     /* Vertical matching. */
01789     int cpos = this->GetCargoBase(0);
01790     uint col;
01791     for (col = 0; col < this->u.cargo.num_cargoes; col++) {
01792       if (pt.x < cpos) break;
01793       if (pt.x < cpos + CargoesField::HOR_CARGO_WIDTH) return this->u.cargo.vertical_cargoes[col];
01794       cpos += CargoesField::HOR_CARGO_WIDTH + CargoesField::HOR_CARGO_SPACE;
01795     }
01796     /* col = 0 -> left of first col, 1 -> left of 2nd col, ... this->u.cargo.num_cargoes right of last-col. */
01797 
01798     int vpos = VERT_INTER_INDUSTRY_SPACE / 2 + VERT_CARGO_EDGE;
01799     uint row;
01800     for (row = 0; row < MAX_CARGOES; row++) {
01801       if (pt.y < vpos) return INVALID_CARGO;
01802       if (pt.y < vpos + FONT_HEIGHT_NORMAL) break;
01803       vpos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
01804     }
01805     if (row == MAX_CARGOES) return INVALID_CARGO;
01806 
01807     /* row = 0 -> at first horizontal row, row = 1 -> second horizontal row, 2 = 3rd horizontal row. */
01808     if (col == 0) {
01809       if (this->u.cargo.supp_cargoes[row] != INVALID_CARGO) return this->u.cargo.vertical_cargoes[this->u.cargo.supp_cargoes[row]];
01810       if (left != NULL) {
01811         if (left->type == CFT_INDUSTRY) return left->u.industry.other_produced[row];
01812         if (left->type == CFT_CARGO_LABEL && !left->u.cargo_label.left_align) return left->u.cargo_label.cargoes[row];
01813       }
01814       return INVALID_CARGO;
01815     }
01816     if (col == this->u.cargo.num_cargoes) {
01817       if (this->u.cargo.cust_cargoes[row] != INVALID_CARGO) return this->u.cargo.vertical_cargoes[this->u.cargo.cust_cargoes[row]];
01818       if (right != NULL) {
01819         if (right->type == CFT_INDUSTRY) return right->u.industry.other_accepted[row];
01820         if (right->type == CFT_CARGO_LABEL && right->u.cargo_label.left_align) return right->u.cargo_label.cargoes[row];
01821       }
01822       return INVALID_CARGO;
01823     }
01824     if (row >= col) {
01825       /* Clicked somewhere in-between vertical cargo connection.
01826        * Since the horizontal connection is made in the same order as the vertical list, the above condition
01827        * ensures we are left-below the main diagonal, thus at the supplying side.
01828        */
01829       return (this->u.cargo.supp_cargoes[row] != INVALID_CARGO) ? this->u.cargo.vertical_cargoes[this->u.cargo.supp_cargoes[row]] : INVALID_CARGO;
01830     } else {
01831       /* Clicked at a customer connection. */
01832       return (this->u.cargo.cust_cargoes[row] != INVALID_CARGO) ? this->u.cargo.vertical_cargoes[this->u.cargo.cust_cargoes[row]] : INVALID_CARGO;
01833     }
01834   }
01835 
01841   CargoID CargoLabelClickedAt(Point pt) const
01842   {
01843     assert(this->type == CFT_CARGO_LABEL);
01844 
01845     int vpos = VERT_INTER_INDUSTRY_SPACE / 2 + VERT_CARGO_EDGE;
01846     uint row;
01847     for (row = 0; row < MAX_CARGOES; row++) {
01848       if (pt.y < vpos) return INVALID_CARGO;
01849       if (pt.y < vpos + FONT_HEIGHT_NORMAL) break;
01850       vpos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE;
01851     }
01852     if (row == MAX_CARGOES) return INVALID_CARGO;
01853     return this->u.cargo_label.cargoes[row];
01854   }
01855 
01856 private:
01864   static void DrawHorConnection(int left, int right, int top, const CargoSpec *csp)
01865   {
01866     GfxDrawLine(left, top, right, top, CARGO_LINE_COLOUR);
01867     GfxFillRect(left, top + 1, right, top + FONT_HEIGHT_NORMAL - 2, csp->legend_colour, FILLRECT_OPAQUE);
01868     GfxDrawLine(left, top + FONT_HEIGHT_NORMAL - 1, right, top + FONT_HEIGHT_NORMAL - 1, CARGO_LINE_COLOUR);
01869   }
01870 };
01871 
01872 assert_compile(MAX_CARGOES >= cpp_lengthof(IndustrySpec, produced_cargo));
01873 assert_compile(MAX_CARGOES >= cpp_lengthof(IndustrySpec, accepts_cargo));
01874 
01875 int CargoesField::small_height;   
01876 int CargoesField::normal_height;  
01877 int CargoesField::industry_width; 
01878 const int CargoesField::VERT_INTER_INDUSTRY_SPACE = 6; 
01879 
01880 const int CargoesField::HOR_CARGO_BORDER_SPACE = 15; 
01881 const int CargoesField::CARGO_STUB_WIDTH       = 10; 
01882 const int CargoesField::HOR_CARGO_WIDTH        = 15; 
01883 const int CargoesField::HOR_CARGO_SPACE        =  5; 
01884 const int CargoesField::VERT_CARGO_EDGE        =  4; 
01885 const int CargoesField::VERT_CARGO_SPACE       =  4; 
01886 
01887 const int CargoesField::BLOB_DISTANCE =  5; 
01888 const int CargoesField::BLOB_WIDTH    = 12; 
01889 const int CargoesField::BLOB_HEIGHT   =  9; 
01890 
01892 const int CargoesField::CARGO_FIELD_WIDTH = HOR_CARGO_BORDER_SPACE * 2 + HOR_CARGO_WIDTH * MAX_CARGOES + HOR_CARGO_SPACE * (MAX_CARGOES - 1);
01893 
01894 const int CargoesField::INDUSTRY_LINE_COLOUR = PC_YELLOW; 
01895 const int CargoesField::CARGO_LINE_COLOUR    = PC_YELLOW; 
01896 
01898 struct CargoesRow {
01899   CargoesField columns[5]; 
01900 
01905   void ConnectIndustryProduced(int column)
01906   {
01907     CargoesField *ind_fld   = this->columns + column;
01908     CargoesField *cargo_fld = this->columns + column + 1;
01909     assert(ind_fld->type == CFT_INDUSTRY && cargo_fld->type == CFT_CARGO);
01910 
01911     MemSetT(ind_fld->u.industry.other_produced, INVALID_CARGO, MAX_CARGOES);
01912 
01913     if (ind_fld->u.industry.ind_type < NUM_INDUSTRYTYPES) {
01914       CargoID others[MAX_CARGOES]; // Produced cargoes not carried in the cargo column.
01915       int other_count = 0;
01916 
01917       const IndustrySpec *indsp = GetIndustrySpec(ind_fld->u.industry.ind_type);
01918       for (uint i = 0; i < lengthof(indsp->produced_cargo); i++) {
01919         int col = cargo_fld->ConnectCargo(indsp->produced_cargo[i], true);
01920         if (col < 0) others[other_count++] = indsp->produced_cargo[i];
01921       }
01922 
01923       /* Allocate other cargoes in the empty holes of the horizontal cargo connections. */
01924       for (uint i = 0; i < MAX_CARGOES && other_count > 0; i++) {
01925         if (cargo_fld->u.cargo.supp_cargoes[i] == INVALID_CARGO) ind_fld->u.industry.other_produced[i] = others[--other_count];
01926       }
01927     } else {
01928       /* Houses only display what is demanded. */
01929       for (uint i = 0; i < cargo_fld->u.cargo.num_cargoes; i++) {
01930         CargoID cid = cargo_fld->u.cargo.vertical_cargoes[i];
01931         if (cid == CT_PASSENGERS || cid == CT_MAIL) cargo_fld->ConnectCargo(cid, true);
01932       }
01933     }
01934   }
01935 
01941   void MakeCargoLabel(int column, bool accepting)
01942   {
01943     CargoID cargoes[MAX_CARGOES];
01944     MemSetT(cargoes, INVALID_CARGO, lengthof(cargoes));
01945 
01946     CargoesField *label_fld = this->columns + column;
01947     CargoesField *cargo_fld = this->columns + (accepting ? column - 1 : column + 1);
01948 
01949     assert(cargo_fld->type == CFT_CARGO && label_fld->type == CFT_EMPTY);
01950     for (uint i = 0; i < cargo_fld->u.cargo.num_cargoes; i++) {
01951       int col = cargo_fld->ConnectCargo(cargo_fld->u.cargo.vertical_cargoes[i], !accepting);
01952       cargoes[col] = cargo_fld->u.cargo.vertical_cargoes[i];
01953     }
01954     label_fld->MakeCargoLabel(cargoes, lengthof(cargoes), accepting);
01955   }
01956 
01957 
01962   void ConnectIndustryAccepted(int column)
01963   {
01964     CargoesField *ind_fld   = this->columns + column;
01965     CargoesField *cargo_fld = this->columns + column - 1;
01966     assert(ind_fld->type == CFT_INDUSTRY && cargo_fld->type == CFT_CARGO);
01967 
01968     MemSetT(ind_fld->u.industry.other_accepted, INVALID_CARGO, MAX_CARGOES);
01969 
01970     if (ind_fld->u.industry.ind_type < NUM_INDUSTRYTYPES) {
01971       CargoID others[MAX_CARGOES]; // Accepted cargoes not carried in the cargo column.
01972       int other_count = 0;
01973 
01974       const IndustrySpec *indsp = GetIndustrySpec(ind_fld->u.industry.ind_type);
01975       for (uint i = 0; i < lengthof(indsp->accepts_cargo); i++) {
01976         int col = cargo_fld->ConnectCargo(indsp->accepts_cargo[i], false);
01977         if (col < 0) others[other_count++] = indsp->accepts_cargo[i];
01978       }
01979 
01980       /* Allocate other cargoes in the empty holes of the horizontal cargo connections. */
01981       for (uint i = 0; i < MAX_CARGOES && other_count > 0; i++) {
01982         if (cargo_fld->u.cargo.cust_cargoes[i] == INVALID_CARGO) ind_fld->u.industry.other_accepted[i] = others[--other_count];
01983       }
01984     } else {
01985       /* Houses only display what is demanded. */
01986       for (uint i = 0; i < cargo_fld->u.cargo.num_cargoes; i++) {
01987         for (uint h = 0; h < HOUSE_MAX; h++) {
01988           HouseSpec *hs = HouseSpec::Get(h);
01989           if (!hs->enabled) continue;
01990 
01991           for (uint j = 0; j < lengthof(hs->accepts_cargo); j++) {
01992             if (cargo_fld->u.cargo.vertical_cargoes[i] == hs->accepts_cargo[j]) {
01993               cargo_fld->ConnectCargo(cargo_fld->u.cargo.vertical_cargoes[i], false);
01994               goto next_cargo;
01995             }
01996           }
01997         }
01998 next_cargo: ;
01999       }
02000     }
02001   }
02002 };
02003 
02004 
02032 struct IndustryCargoesWindow : public Window {
02033   static const int HOR_TEXT_PADDING, VERT_TEXT_PADDING;
02034 
02035   typedef SmallVector<CargoesRow, 4> Fields;
02036 
02037   Fields fields;  
02038   uint ind_cargo; 
02039   Dimension cargo_textsize; 
02040   Dimension ind_textsize;   
02041   Scrollbar *vscroll;
02042 
02043   IndustryCargoesWindow(int id) : Window(&_industry_cargoes_desc)
02044   {
02045     this->OnInit();
02046     this->CreateNestedTree();
02047     this->vscroll = this->GetScrollbar(WID_IC_SCROLLBAR);
02048     this->FinishInitNested(0);
02049     this->OnInvalidateData(id);
02050   }
02051 
02052   virtual void OnInit()
02053   {
02054     /* Initialize static CargoesField size variables. */
02055     Dimension d = GetStringBoundingBox(STR_INDUSTRY_CARGOES_PRODUCERS);
02056     d = maxdim(d, GetStringBoundingBox(STR_INDUSTRY_CARGOES_CUSTOMERS));
02057     d.width  += WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT;
02058     d.height += WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM;
02059     CargoesField::small_height = d.height;
02060 
02061     /* Decide about the size of the box holding the text of an industry type. */
02062     this->ind_textsize.width = 0;
02063     this->ind_textsize.height = 0;
02064     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
02065       const IndustrySpec *indsp = GetIndustrySpec(it);
02066       if (!indsp->enabled) continue;
02067       this->ind_textsize = maxdim(this->ind_textsize, GetStringBoundingBox(indsp->name));
02068     }
02069     d.width = max(d.width, this->ind_textsize.width);
02070     d.height = this->ind_textsize.height;
02071     this->ind_textsize = maxdim(this->ind_textsize, GetStringBoundingBox(STR_INDUSTRY_CARGOES_SELECT_INDUSTRY));
02072 
02073     /* Compute max size of the cargo texts. */
02074     this->cargo_textsize.width = 0;
02075     this->cargo_textsize.height = 0;
02076     for (uint i = 0; i < NUM_CARGO; i++) {
02077       const CargoSpec *csp = CargoSpec::Get(i);
02078       if (!csp->IsValid()) continue;
02079       this->cargo_textsize = maxdim(this->cargo_textsize, GetStringBoundingBox(csp->name));
02080     }
02081     d = maxdim(d, this->cargo_textsize); // Box must also be wide enough to hold any cargo label.
02082     this->cargo_textsize = maxdim(this->cargo_textsize, GetStringBoundingBox(STR_INDUSTRY_CARGOES_SELECT_CARGO));
02083 
02084     d.width  += 2 * HOR_TEXT_PADDING;
02085     /* Ensure the height is enough for the industry type text, for the horizontal connections, and for the cargo labels. */
02086     uint min_ind_height = CargoesField::VERT_CARGO_EDGE * 2 + MAX_CARGOES * FONT_HEIGHT_NORMAL + (MAX_CARGOES - 1) *  CargoesField::VERT_CARGO_SPACE;
02087     d.height = max(d.height + 2 * VERT_TEXT_PADDING, min_ind_height);
02088 
02089     CargoesField::industry_width = d.width;
02090     CargoesField::normal_height = d.height + CargoesField::VERT_INTER_INDUSTRY_SPACE;
02091   }
02092 
02093   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
02094   {
02095     switch (widget) {
02096       case WID_IC_PANEL:
02097         size->width = WD_FRAMETEXT_LEFT + CargoesField::industry_width * 3 + CargoesField::CARGO_FIELD_WIDTH * 2 + WD_FRAMETEXT_RIGHT;
02098         break;
02099 
02100       case WID_IC_IND_DROPDOWN:
02101         size->width = max(size->width, this->ind_textsize.width + padding.width);
02102         break;
02103 
02104       case WID_IC_CARGO_DROPDOWN:
02105         size->width = max(size->width, this->cargo_textsize.width + padding.width);
02106         break;
02107     }
02108   }
02109 
02110 
02111   CargoesFieldType type; 
02112   virtual void SetStringParameters  (int widget) const
02113   {
02114     if (widget != WID_IC_CAPTION) return;
02115 
02116     if (this->ind_cargo < NUM_INDUSTRYTYPES) {
02117       const IndustrySpec *indsp = GetIndustrySpec(this->ind_cargo);
02118       SetDParam(0, indsp->name);
02119     } else {
02120       const CargoSpec *csp = CargoSpec::Get(this->ind_cargo - NUM_INDUSTRYTYPES);
02121       SetDParam(0, csp->name);
02122     }
02123   }
02124 
02133   static bool HasCommonValidCargo(const CargoID *cargoes1, uint length1, const CargoID *cargoes2, uint length2)
02134   {
02135     while (length1 > 0) {
02136       if (*cargoes1 != INVALID_CARGO) {
02137         for (uint i = 0; i < length2; i++) if (*cargoes1 == cargoes2[i]) return true;
02138       }
02139       cargoes1++;
02140       length1--;
02141     }
02142     return false;
02143   }
02144 
02151   static bool HousesCanSupply(const CargoID *cargoes, uint length)
02152   {
02153     for (uint i = 0; i < length; i++) {
02154       if (cargoes[i] == INVALID_CARGO) continue;
02155       if (cargoes[i] == CT_PASSENGERS || cargoes[i] == CT_MAIL) return true;
02156     }
02157     return false;
02158   }
02159 
02166   static bool HousesCanAccept(const CargoID *cargoes, uint length)
02167   {
02168     HouseZones climate_mask;
02169     switch (_settings_game.game_creation.landscape) {
02170       case LT_TEMPERATE: climate_mask = HZ_TEMP; break;
02171       case LT_ARCTIC:    climate_mask = HZ_SUBARTC_ABOVE | HZ_SUBARTC_BELOW; break;
02172       case LT_TROPIC:    climate_mask = HZ_SUBTROPIC; break;
02173       case LT_TOYLAND:   climate_mask = HZ_TOYLND; break;
02174       default: NOT_REACHED();
02175     }
02176     for (uint i = 0; i < length; i++) {
02177       if (cargoes[i] == INVALID_CARGO) continue;
02178 
02179       for (uint h = 0; h < HOUSE_MAX; h++) {
02180         HouseSpec *hs = HouseSpec::Get(h);
02181         if (!hs->enabled || !(hs->building_availability & climate_mask)) continue;
02182 
02183         for (uint j = 0; j < lengthof(hs->accepts_cargo); j++) {
02184           if (cargoes[i] == hs->accepts_cargo[j]) return true;
02185         }
02186       }
02187     }
02188     return false;
02189   }
02190 
02197   static int CountMatchingAcceptingIndustries(const CargoID *cargoes, uint length)
02198   {
02199     int count = 0;
02200     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
02201       const IndustrySpec *indsp = GetIndustrySpec(it);
02202       if (!indsp->enabled) continue;
02203 
02204       if (HasCommonValidCargo(cargoes, length, indsp->accepts_cargo, lengthof(indsp->accepts_cargo))) count++;
02205     }
02206     return count;
02207   }
02208 
02215   static int CountMatchingProducingIndustries(const CargoID *cargoes, uint length)
02216   {
02217     int count = 0;
02218     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
02219       const IndustrySpec *indsp = GetIndustrySpec(it);
02220       if (!indsp->enabled) continue;
02221 
02222       if (HasCommonValidCargo(cargoes, length, indsp->produced_cargo, lengthof(indsp->produced_cargo))) count++;
02223     }
02224     return count;
02225   }
02226 
02233   void ShortenCargoColumn(int column, int top, int bottom)
02234   {
02235     while (top < bottom && !this->fields[top].columns[column].HasConnection()) {
02236       this->fields[top].columns[column].MakeEmpty(CFT_EMPTY);
02237       top++;
02238     }
02239     this->fields[top].columns[column].u.cargo.top_end = true;
02240 
02241     while (bottom > top && !this->fields[bottom].columns[column].HasConnection()) {
02242       this->fields[bottom].columns[column].MakeEmpty(CFT_EMPTY);
02243       bottom--;
02244     }
02245     this->fields[bottom].columns[column].u.cargo.bottom_end = true;
02246   }
02247 
02254   void PlaceIndustry(int row, int col, IndustryType it)
02255   {
02256     assert(this->fields[row].columns[col].type == CFT_EMPTY);
02257     this->fields[row].columns[col].MakeIndustry(it);
02258     if (col == 0) {
02259       this->fields[row].ConnectIndustryProduced(col);
02260     } else {
02261       this->fields[row].ConnectIndustryAccepted(col);
02262     }
02263   }
02264 
02268   void NotifySmallmap()
02269   {
02270     if (!this->IsWidgetLowered(WID_IC_NOTIFY)) return;
02271 
02272     /* Only notify the smallmap window if it exists. In particular, do not
02273      * bring it to the front to prevent messing up any nice layout of the user. */
02274     InvalidateWindowClassesData(WC_SMALLMAP, 0);
02275   }
02276 
02281   void ComputeIndustryDisplay(IndustryType it)
02282   {
02283     this->GetWidget<NWidgetCore>(WID_IC_CAPTION)->widget_data = STR_INDUSTRY_CARGOES_INDUSTRY_CAPTION;
02284     this->ind_cargo = it;
02285     _displayed_industries = 1ULL << it;
02286 
02287     this->fields.Clear();
02288     CargoesRow *row = this->fields.Append();
02289     row->columns[0].MakeHeader(STR_INDUSTRY_CARGOES_PRODUCERS);
02290     row->columns[1].MakeEmpty(CFT_SMALL_EMPTY);
02291     row->columns[2].MakeEmpty(CFT_SMALL_EMPTY);
02292     row->columns[3].MakeEmpty(CFT_SMALL_EMPTY);
02293     row->columns[4].MakeHeader(STR_INDUSTRY_CARGOES_CUSTOMERS);
02294 
02295     const IndustrySpec *central_sp = GetIndustrySpec(it);
02296     bool houses_supply = HousesCanSupply(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo));
02297     bool houses_accept = HousesCanAccept(central_sp->produced_cargo, lengthof(central_sp->produced_cargo));
02298     /* Make a field consisting of two cargo columns. */
02299     int num_supp = CountMatchingProducingIndustries(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo)) + houses_supply;
02300     int num_cust = CountMatchingAcceptingIndustries(central_sp->produced_cargo, lengthof(central_sp->produced_cargo)) + houses_accept;
02301     int num_indrows = max(3, max(num_supp, num_cust)); // One is needed for the 'it' industry, and 2 for the cargo labels.
02302     for (int i = 0; i < num_indrows; i++) {
02303       CargoesRow *row = this->fields.Append();
02304       row->columns[0].MakeEmpty(CFT_EMPTY);
02305       row->columns[1].MakeCargo(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo));
02306       row->columns[2].MakeEmpty(CFT_EMPTY);
02307       row->columns[3].MakeCargo(central_sp->produced_cargo, lengthof(central_sp->produced_cargo));
02308       row->columns[4].MakeEmpty(CFT_EMPTY);
02309     }
02310     /* Add central industry. */
02311     int central_row = 1 + num_indrows / 2;
02312     this->fields[central_row].columns[2].MakeIndustry(it);
02313     this->fields[central_row].ConnectIndustryProduced(2);
02314     this->fields[central_row].ConnectIndustryAccepted(2);
02315 
02316     /* Add cargo labels. */
02317     this->fields[central_row - 1].MakeCargoLabel(2, true);
02318     this->fields[central_row + 1].MakeCargoLabel(2, false);
02319 
02320     /* Add suppliers and customers of the 'it' industry. */
02321     int supp_count = 0;
02322     int cust_count = 0;
02323     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
02324       const IndustrySpec *indsp = GetIndustrySpec(it);
02325       if (!indsp->enabled) continue;
02326 
02327       if (HasCommonValidCargo(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo), indsp->produced_cargo, lengthof(indsp->produced_cargo))) {
02328         this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, it);
02329         SetBit(_displayed_industries, it);
02330         supp_count++;
02331       }
02332       if (HasCommonValidCargo(central_sp->produced_cargo, lengthof(central_sp->produced_cargo), indsp->accepts_cargo, lengthof(indsp->accepts_cargo))) {
02333         this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 4, it);
02334         SetBit(_displayed_industries, it);
02335         cust_count++;
02336       }
02337     }
02338     if (houses_supply) {
02339       this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, NUM_INDUSTRYTYPES);
02340       supp_count++;
02341     }
02342     if (houses_accept) {
02343       this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 4, NUM_INDUSTRYTYPES);
02344       cust_count++;
02345     }
02346 
02347     this->ShortenCargoColumn(1, 1, num_indrows);
02348     this->ShortenCargoColumn(3, 1, num_indrows);
02349     const NWidgetBase *nwp = this->GetWidget<NWidgetBase>(WID_IC_PANEL);
02350     this->vscroll->SetCount(CeilDiv(WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM + CargoesField::small_height + num_indrows * CargoesField::normal_height, nwp->resize_y));
02351     this->SetDirty();
02352     this->NotifySmallmap();
02353   }
02354 
02359   void ComputeCargoDisplay(CargoID cid)
02360   {
02361     this->GetWidget<NWidgetCore>(WID_IC_CAPTION)->widget_data = STR_INDUSTRY_CARGOES_CARGO_CAPTION;
02362     this->ind_cargo = cid + NUM_INDUSTRYTYPES;
02363     _displayed_industries = 0;
02364 
02365     this->fields.Clear();
02366     CargoesRow *row = this->fields.Append();
02367     row->columns[0].MakeHeader(STR_INDUSTRY_CARGOES_PRODUCERS);
02368     row->columns[1].MakeEmpty(CFT_SMALL_EMPTY);
02369     row->columns[2].MakeHeader(STR_INDUSTRY_CARGOES_CUSTOMERS);
02370     row->columns[3].MakeEmpty(CFT_SMALL_EMPTY);
02371     row->columns[4].MakeEmpty(CFT_SMALL_EMPTY);
02372 
02373     bool houses_supply = HousesCanSupply(&cid, 1);
02374     bool houses_accept = HousesCanAccept(&cid, 1);
02375     int num_supp = CountMatchingProducingIndustries(&cid, 1) + houses_supply + 1; // Ensure room for the cargo label.
02376     int num_cust = CountMatchingAcceptingIndustries(&cid, 1) + houses_accept;
02377     int num_indrows = max(num_supp, num_cust);
02378     for (int i = 0; i < num_indrows; i++) {
02379       CargoesRow *row = this->fields.Append();
02380       row->columns[0].MakeEmpty(CFT_EMPTY);
02381       row->columns[1].MakeCargo(&cid, 1);
02382       row->columns[2].MakeEmpty(CFT_EMPTY);
02383       row->columns[3].MakeEmpty(CFT_EMPTY);
02384       row->columns[4].MakeEmpty(CFT_EMPTY);
02385     }
02386 
02387     this->fields[num_indrows].MakeCargoLabel(0, false); // Add cargo labels at the left bottom.
02388 
02389     /* Add suppliers and customers of the cargo. */
02390     int supp_count = 0;
02391     int cust_count = 0;
02392     for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
02393       const IndustrySpec *indsp = GetIndustrySpec(it);
02394       if (!indsp->enabled) continue;
02395 
02396       if (HasCommonValidCargo(&cid, 1, indsp->produced_cargo, lengthof(indsp->produced_cargo))) {
02397         this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, it);
02398         SetBit(_displayed_industries, it);
02399         supp_count++;
02400       }
02401       if (HasCommonValidCargo(&cid, 1, indsp->accepts_cargo, lengthof(indsp->accepts_cargo))) {
02402         this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 2, it);
02403         SetBit(_displayed_industries, it);
02404         cust_count++;
02405       }
02406     }
02407     if (houses_supply) {
02408       this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, NUM_INDUSTRYTYPES);
02409       supp_count++;
02410     }
02411     if (houses_accept) {
02412       this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 2, NUM_INDUSTRYTYPES);
02413       cust_count++;
02414     }
02415 
02416     this->ShortenCargoColumn(1, 1, num_indrows);
02417     const NWidgetBase *nwp = this->GetWidget<NWidgetBase>(WID_IC_PANEL);
02418     this->vscroll->SetCount(CeilDiv(WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM + CargoesField::small_height + num_indrows * CargoesField::normal_height, nwp->resize_y));
02419     this->SetDirty();
02420     this->NotifySmallmap();
02421   }
02422 
02430   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
02431   {
02432     if (!gui_scope) return;
02433     if (data == NUM_INDUSTRYTYPES) {
02434       if (this->IsWidgetLowered(WID_IC_NOTIFY)) {
02435         this->RaiseWidget(WID_IC_NOTIFY);
02436         this->SetWidgetDirty(WID_IC_NOTIFY);
02437       }
02438       return;
02439     }
02440 
02441     assert(data >= 0 && data < NUM_INDUSTRYTYPES);
02442     this->ComputeIndustryDisplay(data);
02443   }
02444 
02445   virtual void DrawWidget(const Rect &r, int widget) const
02446   {
02447     if (widget != WID_IC_PANEL) return;
02448 
02449     DrawPixelInfo tmp_dpi, *old_dpi;
02450     int width = r.right - r.left + 1;
02451     int height = r.bottom - r.top + 1 - WD_FRAMERECT_TOP - WD_FRAMERECT_BOTTOM;
02452     if (!FillDrawPixelInfo(&tmp_dpi, r.left + WD_FRAMERECT_LEFT, r.top + WD_FRAMERECT_TOP, width, height)) return;
02453     old_dpi = _cur_dpi;
02454     _cur_dpi = &tmp_dpi;
02455 
02456     int left_pos = WD_FRAMERECT_LEFT;
02457     if (this->ind_cargo >= NUM_INDUSTRYTYPES) left_pos += (CargoesField::industry_width + CargoesField::CARGO_FIELD_WIDTH) / 2;
02458     int last_column = (this->ind_cargo < NUM_INDUSTRYTYPES) ? 4 : 2;
02459 
02460     const NWidgetBase *nwp = this->GetWidget<NWidgetBase>(WID_IC_PANEL);
02461     int vpos = -this->vscroll->GetPosition() * nwp->resize_y;
02462     for (uint i = 0; i < this->fields.Length(); i++) {
02463       int row_height = (i == 0) ? CargoesField::small_height : CargoesField::normal_height;
02464       if (vpos + row_height >= 0) {
02465         int xpos = left_pos;
02466         int col, dir;
02467         if (_current_text_dir == TD_RTL) {
02468           col = last_column;
02469           dir = -1;
02470         } else {
02471           col = 0;
02472           dir = 1;
02473         }
02474         while (col >= 0 && col <= last_column) {
02475           this->fields[i].columns[col].Draw(xpos, vpos);
02476           xpos += (col & 1) ? CargoesField::CARGO_FIELD_WIDTH : CargoesField::industry_width;
02477           col += dir;
02478         }
02479       }
02480       vpos += row_height;
02481       if (vpos >= height) break;
02482     }
02483 
02484     _cur_dpi = old_dpi;
02485   }
02486 
02494   bool CalculatePositionInWidget(Point pt, Point *fieldxy, Point *xy)
02495   {
02496     const NWidgetBase *nw = this->GetWidget<NWidgetBase>(WID_IC_PANEL);
02497     pt.x -= nw->pos_x;
02498     pt.y -= nw->pos_y;
02499 
02500     int vpos = WD_FRAMERECT_TOP + CargoesField::small_height - this->vscroll->GetPosition() * nw->resize_y;
02501     if (pt.y < vpos) return false;
02502 
02503     int row = (pt.y - vpos) / CargoesField::normal_height; // row is relative to row 1.
02504     if (row + 1 >= (int)this->fields.Length()) return false;
02505     vpos = pt.y - vpos - row * CargoesField::normal_height; // Position in the row + 1 field
02506     row++; // rebase row to match index of this->fields.
02507 
02508     int xpos = 2 * WD_FRAMERECT_LEFT + ((this->ind_cargo < NUM_INDUSTRYTYPES) ? 0 :  (CargoesField::industry_width + CargoesField::CARGO_FIELD_WIDTH) / 2);
02509     if (pt.x < xpos) return false;
02510     int column;
02511     for (column = 0; column <= 5; column++) {
02512       int width = (column & 1) ? CargoesField::CARGO_FIELD_WIDTH : CargoesField::industry_width;
02513       if (pt.x < xpos + width) break;
02514       xpos += width;
02515     }
02516     int num_columns = (this->ind_cargo < NUM_INDUSTRYTYPES) ? 4 : 2;
02517     if (column > num_columns) return false;
02518     xpos = pt.x - xpos;
02519 
02520     /* Return both positions, compensating for RTL languages (which works due to the equal symmetry in both displays). */
02521     fieldxy->y = row;
02522     xy->y = vpos;
02523     if (_current_text_dir == TD_RTL) {
02524       fieldxy->x = num_columns - column;
02525       xy->x = ((column & 1) ? CargoesField::CARGO_FIELD_WIDTH : CargoesField::industry_width) - xpos;
02526     } else {
02527       fieldxy->x = column;
02528       xy->x = xpos;
02529     }
02530     return true;
02531   }
02532 
02533   virtual void OnClick(Point pt, int widget, int click_count)
02534   {
02535     switch (widget) {
02536       case WID_IC_PANEL: {
02537         Point fieldxy, xy;
02538         if (!CalculatePositionInWidget(pt, &fieldxy, &xy)) return;
02539 
02540         const CargoesField *fld = this->fields[fieldxy.y].columns + fieldxy.x;
02541         switch (fld->type) {
02542           case CFT_INDUSTRY:
02543             if (fld->u.industry.ind_type < NUM_INDUSTRYTYPES) this->ComputeIndustryDisplay(fld->u.industry.ind_type);
02544             break;
02545 
02546           case CFT_CARGO: {
02547             CargoesField *lft = (fieldxy.x > 0) ? this->fields[fieldxy.y].columns + fieldxy.x - 1 : NULL;
02548             CargoesField *rgt = (fieldxy.x < 4) ? this->fields[fieldxy.y].columns + fieldxy.x + 1 : NULL;
02549             CargoID cid = fld->CargoClickedAt(lft, rgt, xy);
02550             if (cid != INVALID_CARGO) this->ComputeCargoDisplay(cid);
02551             break;
02552           }
02553 
02554           case CFT_CARGO_LABEL: {
02555             CargoID cid = fld->CargoLabelClickedAt(xy);
02556             if (cid != INVALID_CARGO) this->ComputeCargoDisplay(cid);
02557             break;
02558           }
02559 
02560           default:
02561             break;
02562         }
02563         break;
02564       }
02565 
02566       case WID_IC_NOTIFY:
02567         this->ToggleWidgetLoweredState(WID_IC_NOTIFY);
02568         this->SetWidgetDirty(WID_IC_NOTIFY);
02569         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
02570 
02571         if (this->IsWidgetLowered(WID_IC_NOTIFY)) {
02572           if (FindWindowByClass(WC_SMALLMAP) == NULL) ShowSmallMap();
02573           this->NotifySmallmap();
02574         }
02575         break;
02576 
02577       case WID_IC_CARGO_DROPDOWN: {
02578         DropDownList *lst = new DropDownList;
02579         const CargoSpec *cs;
02580         FOR_ALL_SORTED_STANDARD_CARGOSPECS(cs) {
02581           lst->push_back(new DropDownListStringItem(cs->name, cs->Index(), false));
02582         }
02583         if (lst->size() == 0) {
02584           delete lst;
02585           break;
02586         }
02587         int selected = (this->ind_cargo >= NUM_INDUSTRYTYPES) ? this->ind_cargo - NUM_INDUSTRYTYPES : -1;
02588         ShowDropDownList(this, lst, selected, WID_IC_CARGO_DROPDOWN, 0, true);
02589         break;
02590       }
02591 
02592       case WID_IC_IND_DROPDOWN: {
02593         DropDownList *lst = new DropDownList;
02594         for (uint8 i = 0; i < NUM_INDUSTRYTYPES; i++) {
02595           IndustryType ind = _sorted_industry_types[i];
02596           const IndustrySpec *indsp = GetIndustrySpec(ind);
02597           if (!indsp->enabled) continue;
02598           lst->push_back(new DropDownListStringItem(indsp->name, ind, false));
02599         }
02600         if (lst->size() == 0) {
02601           delete lst;
02602           break;
02603         }
02604         int selected = (this->ind_cargo < NUM_INDUSTRYTYPES) ? this->ind_cargo : -1;
02605         ShowDropDownList(this, lst, selected, WID_IC_IND_DROPDOWN, 0, true);
02606         break;
02607       }
02608     }
02609   }
02610 
02611   virtual void OnDropdownSelect(int widget, int index)
02612   {
02613     if (index < 0) return;
02614 
02615     switch (widget) {
02616       case WID_IC_CARGO_DROPDOWN:
02617         this->ComputeCargoDisplay(index);
02618         break;
02619 
02620       case WID_IC_IND_DROPDOWN:
02621         this->ComputeIndustryDisplay(index);
02622         break;
02623     }
02624   }
02625 
02626   virtual void OnHover(Point pt, int widget)
02627   {
02628     if (widget != WID_IC_PANEL) return;
02629 
02630     Point fieldxy, xy;
02631     if (!CalculatePositionInWidget(pt, &fieldxy, &xy)) return;
02632 
02633     const CargoesField *fld = this->fields[fieldxy.y].columns + fieldxy.x;
02634     CargoID cid = INVALID_CARGO;
02635     switch (fld->type) {
02636       case CFT_CARGO: {
02637         CargoesField *lft = (fieldxy.x > 0) ? this->fields[fieldxy.y].columns + fieldxy.x - 1 : NULL;
02638         CargoesField *rgt = (fieldxy.x < 4) ? this->fields[fieldxy.y].columns + fieldxy.x + 1 : NULL;
02639         cid = fld->CargoClickedAt(lft, rgt, xy);
02640         break;
02641       }
02642 
02643       case CFT_CARGO_LABEL: {
02644         cid = fld->CargoLabelClickedAt(xy);
02645         break;
02646       }
02647 
02648       case CFT_INDUSTRY:
02649         if (fld->u.industry.ind_type < NUM_INDUSTRYTYPES && (this->ind_cargo >= NUM_INDUSTRYTYPES || fieldxy.x != 2)) {
02650           GuiShowTooltips(this, STR_INDUSTRY_CARGOES_INDUSTRY_TOOLTIP, 0, NULL, TCC_HOVER);
02651         }
02652         return;
02653 
02654       default:
02655         break;
02656     }
02657     if (cid != INVALID_CARGO && (this->ind_cargo < NUM_INDUSTRYTYPES || cid != this->ind_cargo - NUM_INDUSTRYTYPES)) {
02658       const CargoSpec *csp = CargoSpec::Get(cid);
02659       uint64 params[5];
02660       params[0] = csp->name;
02661       GuiShowTooltips(this, STR_INDUSTRY_CARGOES_CARGO_TOOLTIP, 1, params, TCC_HOVER);
02662     }
02663   }
02664 
02665   virtual void OnResize()
02666   {
02667     this->vscroll->SetCapacityFromWidget(this, WID_IC_PANEL);
02668   }
02669 };
02670 
02671 const int IndustryCargoesWindow::HOR_TEXT_PADDING  = 5; 
02672 const int IndustryCargoesWindow::VERT_TEXT_PADDING = 5; 
02673 
02678 static void ShowIndustryCargoesWindow(IndustryType id)
02679 {
02680   if (id >= NUM_INDUSTRYTYPES) {
02681     for (uint8 i = 0; i < NUM_INDUSTRYTYPES; i++) {
02682       const IndustrySpec *indsp = GetIndustrySpec(_sorted_industry_types[i]);
02683       if (indsp->enabled) {
02684         id = _sorted_industry_types[i];
02685         break;
02686       }
02687     }
02688     if (id >= NUM_INDUSTRYTYPES) return;
02689   }
02690 
02691   Window *w = BringWindowToFrontById(WC_INDUSTRY_CARGOES, 0);
02692   if (w != NULL) {
02693     w->InvalidateData(id);
02694     return;
02695   }
02696   new IndustryCargoesWindow(id);
02697 }
02698 
02700 void ShowIndustryCargoesWindow()
02701 {
02702   ShowIndustryCargoesWindow(NUM_INDUSTRYTYPES);
02703 }