industry_gui.cpp

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00001 /* $Id: industry_gui.cpp 20430 2010-08-09 21:48:19Z rubidium $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include "stdafx.h"
00013 #include "openttd.h"
00014 #include "gui.h"
00015 #include "textbuf_gui.h"
00016 #include "command_func.h"
00017 #include "viewport_func.h"
00018 #include "gfx_func.h"
00019 #include "industry.h"
00020 #include "town.h"
00021 #include "variables.h"
00022 #include "cheat_type.h"
00023 #include "newgrf.h"
00024 #include "newgrf_industries.h"
00025 #include "newgrf_text.h"
00026 #include "strings_func.h"
00027 #include "company_func.h"
00028 #include "tilehighlight_func.h"
00029 #include "string_func.h"
00030 #include "sortlist_type.h"
00031 #include "widgets/dropdown_func.h"
00032 #include "company_base.h"
00033 #include "core/geometry_func.hpp"
00034 #include "core/random_func.hpp"
00035 
00036 #include "table/strings.h"
00037 #include "table/sprites.h"
00038 
00039 bool _ignore_restrictions;
00040 
00042 enum CargoSuffixType {
00043   CST_FUND,  
00044   CST_VIEW,  
00045   CST_DIR,   
00046 };
00047 
00063 static void GetCargoSuffix(uint cargo, CargoSuffixType cst, const Industry *ind, IndustryType ind_type, const IndustrySpec *indspec, char *suffix, const char *suffix_last)
00064 {
00065   suffix[0] = '\0';
00066   if (HasBit(indspec->callback_mask, CBM_IND_CARGO_SUFFIX)) {
00067     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);
00068     if (GB(callback, 0, 8) != 0xFF) {
00069       PrepareTextRefStackUsage(6);
00070       GetString(suffix, GetGRFStringID(indspec->grf_prop.grffile->grfid, 0xD000 + callback), suffix_last);
00071       StopTextRefStackUsage();
00072     }
00073   }
00074 }
00075 
00086 template <typename TC, typename TS>
00087 static inline void GetAllCargoSuffixes(uint cb_offset, CargoSuffixType cst, const Industry *ind, IndustryType ind_type, const IndustrySpec *indspec, const TC &cargos, TS &suffixes)
00088 {
00089   assert_compile(lengthof(cargos) <= lengthof(suffixes));
00090   for (uint j = 0; j < lengthof(cargos); j++) {
00091     if (cargos[j] != CT_INVALID) {
00092       GetCargoSuffix(cb_offset + j, cst, ind, ind_type, indspec, suffixes[j], lastof(suffixes[j]));
00093     } else {
00094       suffixes[j][0] = '\0';
00095     }
00096   }
00097 }
00098 
00100 enum DynamicPlaceIndustriesWidgets {
00101   DPIW_MATRIX_WIDGET,
00102   DPIW_SCROLLBAR,
00103   DPIW_INFOPANEL,
00104   DPIW_FUND_WIDGET,
00105 };
00106 
00107 static const NWidgetPart _nested_build_industry_widgets[] = {
00108   NWidget(NWID_HORIZONTAL),
00109     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
00110     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_FUND_INDUSTRY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00111     NWidget(WWT_SHADEBOX, COLOUR_DARK_GREEN),
00112     NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
00113   EndContainer(),
00114   NWidget(NWID_HORIZONTAL),
00115     NWidget(WWT_MATRIX, COLOUR_DARK_GREEN, DPIW_MATRIX_WIDGET), SetDataTip(0x801, STR_FUND_INDUSTRY_SELECTION_TOOLTIP), SetFill(1, 0), SetResize(1, 1),
00116     NWidget(WWT_SCROLLBAR, COLOUR_DARK_GREEN, DPIW_SCROLLBAR),
00117   EndContainer(),
00118   NWidget(WWT_PANEL, COLOUR_DARK_GREEN, DPIW_INFOPANEL), SetResize(1, 0),
00119   EndContainer(),
00120   NWidget(NWID_HORIZONTAL),
00121     NWidget(WWT_TEXTBTN, COLOUR_DARK_GREEN, DPIW_FUND_WIDGET), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_JUST_STRING, STR_NULL),
00122     NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
00123   EndContainer(),
00124 };
00125 
00127 static const WindowDesc _build_industry_desc(
00128   WDP_AUTO, 170, 212,
00129   WC_BUILD_INDUSTRY, WC_NONE,
00130   WDF_CONSTRUCTION,
00131   _nested_build_industry_widgets, lengthof(_nested_build_industry_widgets)
00132 );
00133 
00135 class BuildIndustryWindow : public Window {
00136   int selected_index;                         
00137   IndustryType selected_type;                 
00138   uint16 callback_timer;                      
00139   bool timer_enabled;                         
00140   uint16 count;                               
00141   IndustryType index[NUM_INDUSTRYTYPES + 1];  
00142   bool enabled[NUM_INDUSTRYTYPES + 1];        
00143 
00145   static const int MATRIX_TEXT_OFFSET = 17;
00146 
00147   void SetupArrays()
00148   {
00149     this->count = 0;
00150 
00151     for (uint i = 0; i < lengthof(this->index); i++) {
00152       this->index[i]   = INVALID_INDUSTRYTYPE;
00153       this->enabled[i] = false;
00154     }
00155 
00156     if (_game_mode == GM_EDITOR) { // give room for the Many Random "button"
00157       this->index[this->count] = INVALID_INDUSTRYTYPE;
00158       this->enabled[this->count] = true;
00159       this->count++;
00160       this->timer_enabled = false;
00161     }
00162     /* Fill the arrays with industries.
00163      * The tests performed after the enabled allow to load the industries
00164      * In the same way they are inserted by grf (if any)
00165      */
00166     for (IndustryType ind = 0; ind < NUM_INDUSTRYTYPES; ind++) {
00167       const IndustrySpec *indsp = GetIndustrySpec(ind);
00168       if (indsp->enabled) {
00169         /* Rule is that editor mode loads all industries.
00170          * In game mode, all non raw industries are loaded too
00171          * and raw ones are loaded only when setting allows it */
00172         if (_game_mode != GM_EDITOR && indsp->IsRawIndustry() && _settings_game.construction.raw_industry_construction == 0) {
00173           /* Unselect if the industry is no longer in the list */
00174           if (this->selected_type == ind) this->selected_index = -1;
00175           continue;
00176         }
00177         this->index[this->count] = ind;
00178         this->enabled[this->count] = (_game_mode == GM_EDITOR) || CheckIfCallBackAllowsAvailability(ind, IACT_USERCREATION);
00179         /* Keep the selection to the correct line */
00180         if (this->selected_type == ind) this->selected_index = this->count;
00181         this->count++;
00182       }
00183     }
00184 
00185     /* first indutry type is selected if the current selection is invalid.
00186      * I'll be damned if there are none available ;) */
00187     if (this->selected_index == -1) {
00188       this->selected_index = 0;
00189       this->selected_type = this->index[0];
00190     }
00191 
00192     this->vscroll.SetCount(this->count);
00193   }
00194 
00195 public:
00196   BuildIndustryWindow() : Window()
00197   {
00198     this->timer_enabled = _loaded_newgrf_features.has_newindustries;
00199 
00200     this->selected_index = -1;
00201     this->selected_type = INVALID_INDUSTRYTYPE;
00202 
00203     /* Initialize arrays */
00204     this->SetupArrays();
00205 
00206     this->callback_timer = DAY_TICKS;
00207 
00208     this->InitNested(&_build_industry_desc, 0);
00209     this->SetWidgetDisabledState(DPIW_FUND_WIDGET, !this->enabled[this->selected_index]);
00210   }
00211 
00212   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00213   {
00214     switch (widget) {
00215       case DPIW_MATRIX_WIDGET: {
00216         Dimension d = GetStringBoundingBox(STR_FUND_INDUSTRY_MANY_RANDOM_INDUSTRIES);
00217         for (byte i = 0; i < this->count; i++) {
00218           if (this->index[i] == INVALID_INDUSTRYTYPE) continue;
00219           d = maxdim(d, GetStringBoundingBox(GetIndustrySpec(this->index[i])->name));
00220         }
00221         resize->height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
00222         d.width += MATRIX_TEXT_OFFSET + padding.width;
00223         d.height = 5 * resize->height;
00224         *size = maxdim(*size, d);
00225         break;
00226       }
00227 
00228       case DPIW_INFOPANEL: {
00229         /* Extra line for cost outside of editor + extra lines for 'extra' information for NewGRFs. */
00230         int height = 2 + (_game_mode == GM_EDITOR ? 0 : 1) + (_loaded_newgrf_features.has_newindustries ? 4 : 0);
00231         Dimension d = {0, 0};
00232         for (byte i = 0; i < this->count; i++) {
00233           if (this->index[i] == INVALID_INDUSTRYTYPE) continue;
00234 
00235           const IndustrySpec *indsp = GetIndustrySpec(this->index[i]);
00236 
00237           char cargo_suffix[3][512];
00238           GetAllCargoSuffixes(0, CST_FUND, NULL, this->index[i], indsp, indsp->accepts_cargo, cargo_suffix);
00239           StringID str = STR_INDUSTRY_VIEW_REQUIRES_CARGO;
00240           byte p = 0;
00241           SetDParam(0, STR_JUST_NOTHING);
00242           SetDParamStr(1, "");
00243           for (byte j = 0; j < lengthof(indsp->accepts_cargo); j++) {
00244             if (indsp->accepts_cargo[j] == CT_INVALID) continue;
00245             if (p > 0) str++;
00246             SetDParam(p++, CargoSpec::Get(indsp->accepts_cargo[j])->name);
00247             SetDParamStr(p++, cargo_suffix[j]);
00248           }
00249           d = maxdim(d, GetStringBoundingBox(str));
00250 
00251           /* Draw the produced cargos, if any. Otherwhise, will print "Nothing" */
00252           GetAllCargoSuffixes(3, CST_FUND, NULL, this->index[i], indsp, indsp->produced_cargo, cargo_suffix);
00253           str = STR_INDUSTRY_VIEW_PRODUCES_CARGO;
00254           p = 0;
00255           SetDParam(0, STR_JUST_NOTHING);
00256           SetDParamStr(1, "");
00257           for (byte j = 0; j < lengthof(indsp->produced_cargo); j++) {
00258             if (indsp->produced_cargo[j] == CT_INVALID) continue;
00259             if (p > 0) str++;
00260             SetDParam(p++, CargoSpec::Get(indsp->produced_cargo[j])->name);
00261             SetDParamStr(p++, cargo_suffix[j]);
00262           }
00263           d = maxdim(d, GetStringBoundingBox(str));
00264         }
00265 
00266         /* Set it to something more sane :) */
00267         size->height = height * FONT_HEIGHT_NORMAL + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
00268         size->width  = d.width + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
00269       } break;
00270 
00271       case DPIW_FUND_WIDGET: {
00272         Dimension d = GetStringBoundingBox(STR_FUND_INDUSTRY_BUILD_NEW_INDUSTRY);
00273         d = maxdim(d, GetStringBoundingBox(STR_FUND_INDUSTRY_PROSPECT_NEW_INDUSTRY));
00274         d = maxdim(d, GetStringBoundingBox(STR_FUND_INDUSTRY_FUND_NEW_INDUSTRY));
00275         d.width += padding.width;
00276         d.height += padding.height;
00277         *size = maxdim(*size, d);
00278         break;
00279       }
00280     }
00281   }
00282 
00283   virtual void SetStringParameters(int widget) const
00284   {
00285     switch (widget) {
00286       case DPIW_FUND_WIDGET:
00287         /* Raw industries might be prospected. Show this fact by changing the string
00288          * In Editor, you just build, while ingame, or you fund or you prospect */
00289         if (_game_mode == GM_EDITOR) {
00290           /* We've chosen many random industries but no industries have been specified */
00291           SetDParam(0, STR_FUND_INDUSTRY_BUILD_NEW_INDUSTRY);
00292         } else {
00293           const IndustrySpec *indsp = GetIndustrySpec(this->index[this->selected_index]);
00294           SetDParam(0, (_settings_game.construction.raw_industry_construction == 2 && indsp->IsRawIndustry()) ? STR_FUND_INDUSTRY_PROSPECT_NEW_INDUSTRY : STR_FUND_INDUSTRY_FUND_NEW_INDUSTRY);
00295         }
00296         break;
00297     }
00298   }
00299 
00300   virtual void DrawWidget(const Rect &r, int widget) const
00301   {
00302     switch (widget) {
00303       case DPIW_MATRIX_WIDGET:
00304         for (byte i = 0; i < this->vscroll.GetCapacity() && i + this->vscroll.GetPosition() < this->count; i++) {
00305           int x = r.left + WD_MATRIX_LEFT;
00306           int y = r.top + WD_MATRIX_TOP + i * this->resize.step_height;
00307           bool selected = this->selected_index == i + this->vscroll.GetPosition();
00308 
00309           if (this->index[i + this->vscroll.GetPosition()] == INVALID_INDUSTRYTYPE) {
00310             DrawString(x + MATRIX_TEXT_OFFSET, r.right - WD_MATRIX_RIGHT, y, STR_FUND_INDUSTRY_MANY_RANDOM_INDUSTRIES, selected ? TC_WHITE : TC_ORANGE);
00311             continue;
00312           }
00313           const IndustrySpec *indsp = GetIndustrySpec(this->index[i + this->vscroll.GetPosition()]);
00314 
00315           /* Draw the name of the industry in white is selected, otherwise, in orange */
00316           DrawString(x + MATRIX_TEXT_OFFSET, r.right - WD_MATRIX_RIGHT, y, indsp->name, selected ? TC_WHITE : TC_ORANGE);
00317           GfxFillRect(x,     y + 1,  x + 10, y + 7, selected ? 15 : 0);
00318           GfxFillRect(x + 1, y + 2,  x +  9, y + 6, indsp->map_colour);
00319         }
00320         break;
00321 
00322       case DPIW_INFOPANEL: {
00323         int y      = r.top    + WD_FRAMERECT_TOP;
00324         int bottom = r.bottom - WD_FRAMERECT_BOTTOM;
00325         int left   = r.left   + WD_FRAMERECT_LEFT;
00326         int right  = r.right  - WD_FRAMERECT_RIGHT;
00327 
00328         if (this->selected_type == INVALID_INDUSTRYTYPE) {
00329           DrawStringMultiLine(left, right, y,  bottom, STR_FUND_INDUSTRY_MANY_RANDOM_INDUSTRIES_TOOLTIP);
00330           break;
00331         }
00332 
00333         const IndustrySpec *indsp = GetIndustrySpec(this->selected_type);
00334 
00335         if (_game_mode != GM_EDITOR) {
00336           SetDParam(0, indsp->GetConstructionCost());
00337           DrawString(left, right, y, STR_FUND_INDUSTRY_INDUSTRY_BUILD_COST);
00338           y += FONT_HEIGHT_NORMAL;
00339         }
00340 
00341         /* Draw the accepted cargos, if any. Otherwhise, will print "Nothing" */
00342         char cargo_suffix[3][512];
00343         GetAllCargoSuffixes(0, CST_FUND, NULL, this->selected_type, indsp, indsp->accepts_cargo, cargo_suffix);
00344         StringID str = STR_INDUSTRY_VIEW_REQUIRES_CARGO;
00345         byte p = 0;
00346         SetDParam(0, STR_JUST_NOTHING);
00347         SetDParamStr(1, "");
00348         for (byte j = 0; j < lengthof(indsp->accepts_cargo); j++) {
00349           if (indsp->accepts_cargo[j] == CT_INVALID) continue;
00350           if (p > 0) str++;
00351           SetDParam(p++, CargoSpec::Get(indsp->accepts_cargo[j])->name);
00352           SetDParamStr(p++, cargo_suffix[j]);
00353         }
00354         DrawString(left, right, y, str);
00355         y += FONT_HEIGHT_NORMAL;
00356 
00357         /* Draw the produced cargos, if any. Otherwhise, will print "Nothing" */
00358         GetAllCargoSuffixes(3, CST_FUND, NULL, this->selected_type, indsp, indsp->produced_cargo, cargo_suffix);
00359         str = STR_INDUSTRY_VIEW_PRODUCES_CARGO;
00360         p = 0;
00361         SetDParam(0, STR_JUST_NOTHING);
00362         SetDParamStr(1, "");
00363         for (byte j = 0; j < lengthof(indsp->produced_cargo); j++) {
00364           if (indsp->produced_cargo[j] == CT_INVALID) continue;
00365           if (p > 0) str++;
00366           SetDParam(p++, CargoSpec::Get(indsp->produced_cargo[j])->name);
00367           SetDParamStr(p++, cargo_suffix[j]);
00368         }
00369         DrawString(left, right, y, str);
00370         y += FONT_HEIGHT_NORMAL;
00371 
00372         /* Get the additional purchase info text, if it has not already been queried. */
00373         str = STR_NULL;
00374         if (HasBit(indsp->callback_mask, CBM_IND_FUND_MORE_TEXT)) {
00375           uint16 callback_res = GetIndustryCallback(CBID_INDUSTRY_FUND_MORE_TEXT, 0, 0, NULL, this->selected_type, INVALID_TILE);
00376           if (callback_res != CALLBACK_FAILED) {  // Did it fail?
00377             str = GetGRFStringID(indsp->grf_prop.grffile->grfid, 0xD000 + callback_res);  // No. here's the new string
00378             if (str != STR_UNDEFINED) {
00379               PrepareTextRefStackUsage(6);
00380               DrawStringMultiLine(left, right, y, bottom, str);
00381               StopTextRefStackUsage();
00382             }
00383           }
00384         }
00385       } break;
00386     }
00387   }
00388 
00389   virtual void OnPaint()
00390   {
00391     this->DrawWidgets();
00392   }
00393 
00394   virtual void OnClick(Point pt, int widget, int click_count)
00395   {
00396     switch (widget) {
00397       case DPIW_MATRIX_WIDGET: {
00398         const IndustrySpec *indsp;
00399         int y = (pt.y - this->GetWidget<NWidgetBase>(DPIW_MATRIX_WIDGET)->pos_y) / this->resize.step_height + this->vscroll.GetPosition();
00400 
00401         if (y >= 0 && y < count) { // Is it within the boundaries of available data?
00402           this->selected_index = y;
00403           this->selected_type = this->index[y];
00404           indsp = (this->selected_type == INVALID_INDUSTRYTYPE) ? NULL : GetIndustrySpec(this->selected_type);
00405 
00406           this->SetDirty();
00407 
00408           if (GetCallbackWnd() == this &&
00409               ((_game_mode != GM_EDITOR && _settings_game.construction.raw_industry_construction == 2 && indsp != NULL && indsp->IsRawIndustry()) ||
00410               this->selected_type == INVALID_INDUSTRYTYPE ||
00411               !this->enabled[this->selected_index])) {
00412             /* Reset the button state if going to prospecting or "build many industries" */
00413             this->RaiseButtons();
00414             ResetObjectToPlace();
00415           }
00416 
00417           this->SetWidgetDisabledState(DPIW_FUND_WIDGET, !this->enabled[this->selected_index]);
00418           if (this->enabled[this->selected_index] && click_count > 1) this->OnClick(pt, DPIW_FUND_WIDGET, 1);
00419         }
00420       } break;
00421 
00422       case DPIW_FUND_WIDGET: {
00423         if (this->selected_type == INVALID_INDUSTRYTYPE) {
00424           this->HandleButtonClick(DPIW_FUND_WIDGET);
00425 
00426           if (Town::GetNumItems() == 0) {
00427             ShowErrorMessage(STR_ERROR_CAN_T_GENERATE_INDUSTRIES, STR_ERROR_MUST_FOUND_TOWN_FIRST, 0, 0);
00428           } else {
00429             extern void GenerateIndustries();
00430             _generating_world = true;
00431             GenerateIndustries();
00432             _generating_world = false;
00433           }
00434         } else if (_game_mode != GM_EDITOR && _settings_game.construction.raw_industry_construction == 2 && GetIndustrySpec(this->selected_type)->IsRawIndustry()) {
00435           DoCommandP(0, this->selected_type, InteractiveRandom(), CMD_BUILD_INDUSTRY | CMD_MSG(STR_ERROR_CAN_T_CONSTRUCT_THIS_INDUSTRY));
00436           this->HandleButtonClick(DPIW_FUND_WIDGET);
00437         } else {
00438           HandlePlacePushButton(this, DPIW_FUND_WIDGET, SPR_CURSOR_INDUSTRY, HT_RECT, NULL);
00439         }
00440       } break;
00441     }
00442   }
00443 
00444   virtual void OnResize()
00445   {
00446     /* Adjust the number of items in the matrix depending of the resize */
00447     this->vscroll.SetCapacityFromWidget(this, DPIW_MATRIX_WIDGET);
00448     this->GetWidget<NWidgetCore>(DPIW_MATRIX_WIDGET)->widget_data = (this->vscroll.GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
00449   }
00450 
00451   virtual void OnPlaceObject(Point pt, TileIndex tile)
00452   {
00453     bool success = true;
00454     /* We do not need to protect ourselves against "Random Many Industries" in this mode */
00455     const IndustrySpec *indsp = GetIndustrySpec(this->selected_type);
00456     uint32 seed = InteractiveRandom();
00457 
00458     if (_game_mode == GM_EDITOR) {
00459       /* Show error if no town exists at all */
00460       if (Town::GetNumItems() == 0) {
00461         SetDParam(0, indsp->name);
00462         ShowErrorMessage(STR_ERROR_CAN_T_BUILD_HERE, STR_ERROR_MUST_FOUND_TOWN_FIRST, pt.x, pt.y);
00463         return;
00464       }
00465 
00466       _current_company = OWNER_NONE;
00467       _generating_world = true;
00468       _ignore_restrictions = true;
00469       success = DoCommandP(tile, (InteractiveRandomRange(indsp->num_table) << 8) | this->selected_type, seed, CMD_BUILD_INDUSTRY | CMD_MSG(STR_ERROR_CAN_T_CONSTRUCT_THIS_INDUSTRY));
00470       if (!success) {
00471         SetDParam(0, indsp->name);
00472         ShowErrorMessage(STR_ERROR_CAN_T_BUILD_HERE, _error_message, pt.x, pt.y);
00473       }
00474 
00475       _ignore_restrictions = false;
00476       _generating_world = false;
00477     } else {
00478       success = DoCommandP(tile, (InteractiveRandomRange(indsp->num_table) << 8) | this->selected_type, seed, CMD_BUILD_INDUSTRY | CMD_MSG(STR_ERROR_CAN_T_CONSTRUCT_THIS_INDUSTRY));
00479     }
00480 
00481     /* If an industry has been built, just reset the cursor and the system */
00482     if (success && !_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00483   }
00484 
00485   virtual void OnTick()
00486   {
00487     if (_pause_mode != PM_UNPAUSED) return;
00488     if (!this->timer_enabled) return;
00489     if (--this->callback_timer == 0) {
00490       /* We have just passed another day.
00491        * See if we need to update availability of currently selected industry */
00492       this->callback_timer = DAY_TICKS; // restart counter
00493 
00494       const IndustrySpec *indsp = GetIndustrySpec(this->selected_type);
00495 
00496       if (indsp->enabled) {
00497         bool call_back_result = CheckIfCallBackAllowsAvailability(this->selected_type, IACT_USERCREATION);
00498 
00499         /* Only if result does match the previous state would it require a redraw. */
00500         if (call_back_result != this->enabled[this->selected_index]) {
00501           this->enabled[this->selected_index] = call_back_result;
00502           this->SetWidgetDisabledState(DPIW_FUND_WIDGET, !this->enabled[this->selected_index]);
00503           this->SetDirty();
00504         }
00505       }
00506     }
00507   }
00508 
00509   virtual void OnTimeout()
00510   {
00511     this->RaiseButtons();
00512   }
00513 
00514   virtual void OnPlaceObjectAbort()
00515   {
00516     this->RaiseButtons();
00517   }
00518 
00519   virtual void OnInvalidateData(int data = 0)
00520   {
00521     this->SetupArrays();
00522 
00523     const IndustrySpec *indsp = (this->selected_type == INVALID_INDUSTRYTYPE) ? NULL : GetIndustrySpec(this->selected_type);
00524     if (indsp == NULL) this->enabled[this->selected_index] = _settings_game.difficulty.number_industries != 0;
00525     this->SetWidgetDisabledState(DPIW_FUND_WIDGET, !this->enabled[this->selected_index]);
00526   }
00527 };
00528 
00529 void ShowBuildIndustryWindow()
00530 {
00531   if (_game_mode != GM_EDITOR && !Company::IsValidID(_local_company)) return;
00532   if (BringWindowToFrontById(WC_BUILD_INDUSTRY, 0)) return;
00533   new BuildIndustryWindow();
00534 }
00535 
00536 static void UpdateIndustryProduction(Industry *i);
00537 
00538 static inline bool IsProductionMinimum(const Industry *i, int pt)
00539 {
00540   return i->production_rate[pt] == 0;
00541 }
00542 
00543 static inline bool IsProductionMaximum(const Industry *i, int pt)
00544 {
00545   return i->production_rate[pt] >= 255;
00546 }
00547 
00548 static inline bool IsProductionAlterable(const Industry *i)
00549 {
00550   return ((_game_mode == GM_EDITOR || _cheats.setup_prod.value) &&
00551       (i->accepts_cargo[0] == CT_INVALID || i->accepts_cargo[0] == CT_VALUABLES));
00552 }
00553 
00555 enum IndustryViewWidgets {
00556   IVW_CAPTION,
00557   IVW_VIEWPORT,
00558   IVW_INFO,
00559   IVW_GOTO,
00560 };
00561 
00562 class IndustryViewWindow : public Window
00563 {
00564   byte editbox_line;        
00565   byte clicked_line;        
00566   byte clicked_button;      
00567   byte production_offset_y; 
00568   int info_height;          
00569 
00570 public:
00571   IndustryViewWindow(const WindowDesc *desc, WindowNumber window_number) : Window()
00572   {
00573     this->flags4 |= WF_DISABLE_VP_SCROLL;
00574     this->editbox_line = 0;
00575     this->clicked_line = 0;
00576     this->clicked_button = 0;
00577     this->info_height = WD_FRAMERECT_TOP + 2 * FONT_HEIGHT_NORMAL + WD_FRAMERECT_BOTTOM + 1; // Info panel has at least two lines text.
00578 
00579     this->InitNested(desc, window_number);
00580     NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(IVW_VIEWPORT);
00581     nvp->InitializeViewport(this, Industry::Get(window_number)->location.tile + TileDiffXY(1, 1), ZOOM_LVL_INDUSTRY);
00582   }
00583 
00584   virtual void OnPaint()
00585   {
00586     this->DrawWidgets();
00587 
00588     if (this->IsShaded()) return; // Don't draw anything when the window is shaded.
00589 
00590     NWidgetBase *nwi = this->GetWidget<NWidgetBase>(IVW_INFO);
00591     uint expected = this->DrawInfo(nwi->pos_x, nwi->pos_x + nwi->current_x - 1, nwi->pos_y) - nwi->pos_y;
00592     if (expected > nwi->current_y - 1) {
00593       this->info_height = expected + 1;
00594       this->ReInit();
00595       return;
00596     }
00597   }
00598 
00605   int DrawInfo(uint left, uint right, uint top)
00606   {
00607     Industry *i = Industry::Get(this->window_number);
00608     const IndustrySpec *ind = GetIndustrySpec(i->type);
00609     int y = top + WD_FRAMERECT_TOP;
00610     bool first = true;
00611     bool has_accept = false;
00612     char cargo_suffix[3][512];
00613 
00614     if (HasBit(ind->callback_mask, CBM_IND_PRODUCTION_CARGO_ARRIVAL) || HasBit(ind->callback_mask, CBM_IND_PRODUCTION_256_TICKS)) {
00615       GetAllCargoSuffixes(0, CST_VIEW, i, i->type, ind, i->accepts_cargo, cargo_suffix);
00616       for (byte j = 0; j < lengthof(i->accepts_cargo); j++) {
00617         if (i->accepts_cargo[j] == CT_INVALID) continue;
00618         has_accept = true;
00619         if (first) {
00620           DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_WAITING_FOR_PROCESSING);
00621           y += FONT_HEIGHT_NORMAL;
00622           first = false;
00623         }
00624         SetDParam(0, i->accepts_cargo[j]);
00625         SetDParam(1, i->incoming_cargo_waiting[j]);
00626         SetDParamStr(2, cargo_suffix[j]);
00627         DrawString(left + WD_FRAMETEXT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_WAITING_STOCKPILE_CARGO);
00628         y += FONT_HEIGHT_NORMAL;
00629       }
00630     } else {
00631       GetAllCargoSuffixes(0, CST_VIEW, i, i->type, ind, i->accepts_cargo, cargo_suffix);
00632       StringID str = STR_INDUSTRY_VIEW_REQUIRES_CARGO;
00633       byte p = 0;
00634       for (byte j = 0; j < lengthof(i->accepts_cargo); j++) {
00635         if (i->accepts_cargo[j] == CT_INVALID) continue;
00636         has_accept = true;
00637         if (p > 0) str++;
00638         SetDParam(p++, CargoSpec::Get(i->accepts_cargo[j])->name);
00639         SetDParamStr(p++, cargo_suffix[j]);
00640       }
00641       if (has_accept) {
00642         DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, str);
00643         y += FONT_HEIGHT_NORMAL;
00644       }
00645     }
00646 
00647     GetAllCargoSuffixes(3, CST_VIEW, i, i->type, ind, i->produced_cargo, cargo_suffix);
00648     first = true;
00649     for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
00650       if (i->produced_cargo[j] == CT_INVALID) continue;
00651       if (first) {
00652         if (has_accept) y += WD_PAR_VSEP_WIDE;
00653         DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_PRODUCTION_LAST_MONTH_TITLE);
00654         y += FONT_HEIGHT_NORMAL;
00655         this->production_offset_y = y;
00656         first = false;
00657       }
00658 
00659       SetDParam(0, i->produced_cargo[j]);
00660       SetDParam(1, i->last_month_production[j]);
00661       SetDParamStr(2, cargo_suffix[j]);
00662       SetDParam(3, ToPercent8(i->last_month_pct_transported[j]));
00663       uint x = left + WD_FRAMETEXT_LEFT + (IsProductionAlterable(i) ? 30 : 0);
00664       DrawString(x, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_TRANSPORTED);
00665       /* Let's put out those buttons.. */
00666       if (IsProductionAlterable(i)) {
00667         DrawArrowButtons(left + WD_FRAMETEXT_LEFT, y, COLOUR_YELLOW, (this->clicked_line == j + 1) ? this->clicked_button : 0,
00668             !IsProductionMinimum(i, j), !IsProductionMaximum(i, j));
00669       }
00670       y += FONT_HEIGHT_NORMAL;
00671     }
00672 
00673     /* Get the extra message for the GUI */
00674     if (HasBit(ind->callback_mask, CBM_IND_WINDOW_MORE_TEXT)) {
00675       uint16 callback_res = GetIndustryCallback(CBID_INDUSTRY_WINDOW_MORE_TEXT, 0, 0, i, i->type, i->location.tile);
00676       if (callback_res != CALLBACK_FAILED) {
00677         StringID message = GetGRFStringID(ind->grf_prop.grffile->grfid, 0xD000 + callback_res);
00678         if (message != STR_NULL && message != STR_UNDEFINED) {
00679           y += WD_PAR_VSEP_WIDE;
00680 
00681           PrepareTextRefStackUsage(6);
00682           /* Use all the available space left from where we stand up to the
00683            * end of the window. We ALSO enlarge the window if needed, so we
00684            * can 'go' wild with the bottom of the window. */
00685           y = DrawStringMultiLine(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, UINT16_MAX, message);
00686           StopTextRefStackUsage();
00687         }
00688       }
00689     }
00690     return y + WD_FRAMERECT_BOTTOM;
00691   }
00692 
00693   virtual void SetStringParameters(int widget) const
00694   {
00695     if (widget== IVW_CAPTION) SetDParam(0, this->window_number);
00696   }
00697 
00698   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00699   {
00700     if (widget == IVW_INFO) size->height = this->info_height;
00701   }
00702 
00703   virtual void OnClick(Point pt, int widget, int click_count)
00704   {
00705     Industry *i;
00706 
00707     switch (widget) {
00708       case IVW_INFO: {
00709         i = Industry::Get(this->window_number);
00710 
00711         /* We should work if needed.. */
00712         if (!IsProductionAlterable(i)) return;
00713         uint x = pt.x;
00714         int line = (pt.y - this->production_offset_y) / FONT_HEIGHT_NORMAL;
00715         if (pt.y >= this->production_offset_y && IsInsideMM(line, 0, 2) && i->produced_cargo[line] != CT_INVALID) {
00716           NWidgetBase *nwi = this->GetWidget<NWidgetBase>(widget);
00717           uint left = nwi->pos_x + WD_FRAMETEXT_LEFT;
00718           uint right = nwi->pos_x + nwi->current_x - 1 - WD_FRAMERECT_RIGHT;
00719           if (IsInsideMM(x, left, left + 20) ) {
00720             /* Clicked buttons, decrease or increase production */
00721             if (x < left + 10) {
00722               if (IsProductionMinimum(i, line)) return;
00723               i->production_rate[line] = max(i->production_rate[line] / 2, 0);
00724             } else {
00725               /* a zero production industry is unlikely to give anything but zero, so push it a little bit */
00726               int new_prod = i->production_rate[line] == 0 ? 1 : i->production_rate[line] * 2;
00727               if (IsProductionMaximum(i, line)) return;
00728               i->production_rate[line] = minu(new_prod, 255);
00729             }
00730 
00731             UpdateIndustryProduction(i);
00732             this->SetDirty();
00733             this->flags4 |= WF_TIMEOUT_BEGIN;
00734             this->clicked_line = line + 1;
00735             this->clicked_button = (x < left + 10 ? 1 : 2);
00736           } else if (IsInsideMM(x, left + 30, right)) {
00737             /* clicked the text */
00738             this->editbox_line = line;
00739             SetDParam(0, i->production_rate[line] * 8);
00740             ShowQueryString(STR_JUST_INT, STR_CONFIG_GAME_PRODUCTION, 10, 100, this, CS_ALPHANUMERAL, QSF_NONE);
00741           }
00742         }
00743       } break;
00744 
00745       case IVW_GOTO:
00746         i = Industry::Get(this->window_number);
00747         if (_ctrl_pressed) {
00748           ShowExtraViewPortWindow(i->location.tile + TileDiffXY(1, 1));
00749         } else {
00750           ScrollMainWindowToTile(i->location.tile + TileDiffXY(1, 1));
00751         }
00752         break;
00753     }
00754   }
00755 
00756   virtual void OnTimeout()
00757   {
00758     this->clicked_line = 0;
00759     this->clicked_button = 0;
00760     this->SetDirty();
00761   }
00762 
00763   virtual void OnResize()
00764   {
00765     if (this->viewport != NULL) {
00766       NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(IVW_VIEWPORT);
00767       nvp->UpdateViewportCoordinates(this);
00768     }
00769   }
00770 
00771   virtual void OnQueryTextFinished(char *str)
00772   {
00773     if (StrEmpty(str)) return;
00774 
00775     Industry *i = Industry::Get(this->window_number);
00776     int line = this->editbox_line;
00777 
00778     i->production_rate[line] = ClampU(atoi(str) / 8, 0, 255);
00779     UpdateIndustryProduction(i);
00780     this->SetDirty();
00781   }
00782 };
00783 
00784 static void UpdateIndustryProduction(Industry *i)
00785 {
00786   for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
00787     if (i->produced_cargo[j] != CT_INVALID) {
00788       i->last_month_production[j] = 8 * i->production_rate[j];
00789     }
00790   }
00791 }
00792 
00794 static const NWidgetPart _nested_industry_view_widgets[] = {
00795   NWidget(NWID_HORIZONTAL),
00796     NWidget(WWT_CLOSEBOX, COLOUR_CREAM),
00797     NWidget(WWT_CAPTION, COLOUR_CREAM, IVW_CAPTION), SetDataTip(STR_INDUSTRY_VIEW_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00798     NWidget(WWT_SHADEBOX, COLOUR_CREAM),
00799     NWidget(WWT_STICKYBOX, COLOUR_CREAM),
00800   EndContainer(),
00801   NWidget(WWT_PANEL, COLOUR_CREAM),
00802     NWidget(WWT_INSET, COLOUR_CREAM), SetPadding(2, 2, 2, 2),
00803       NWidget(NWID_VIEWPORT, INVALID_COLOUR, IVW_VIEWPORT), SetMinimalSize(254, 86), SetFill(1, 0), SetPadding(1, 1, 1, 1), SetResize(1, 1),
00804     EndContainer(),
00805   EndContainer(),
00806   NWidget(WWT_PANEL, COLOUR_CREAM, IVW_INFO), SetMinimalSize(260, 2), SetResize(1, 0),
00807   EndContainer(),
00808   NWidget(NWID_HORIZONTAL),
00809     NWidget(WWT_PUSHTXTBTN, COLOUR_CREAM, IVW_GOTO), SetMinimalSize(130, 12), SetDataTip(STR_BUTTON_LOCATION, STR_INDUSTRY_VIEW_LOCATION_TOOLTIP),
00810     NWidget(WWT_PANEL, COLOUR_CREAM), SetResize(1, 0), EndContainer(),
00811     NWidget(WWT_RESIZEBOX, COLOUR_CREAM),
00812   EndContainer(),
00813 };
00814 
00816 static const WindowDesc _industry_view_desc(
00817   WDP_AUTO, 260, 120,
00818   WC_INDUSTRY_VIEW, WC_NONE,
00819   WDF_UNCLICK_BUTTONS,
00820   _nested_industry_view_widgets, lengthof(_nested_industry_view_widgets)
00821 );
00822 
00823 void ShowIndustryViewWindow(int industry)
00824 {
00825   AllocateWindowDescFront<IndustryViewWindow>(&_industry_view_desc, industry);
00826 }
00827 
00829 enum IndustryDirectoryWidgets {
00830   IDW_DROPDOWN_ORDER,
00831   IDW_DROPDOWN_CRITERIA,
00832   IDW_INDUSTRY_LIST,
00833   IDW_SCROLLBAR,
00834 };
00835 
00837 static const NWidgetPart _nested_industry_directory_widgets[] = {
00838   NWidget(NWID_HORIZONTAL),
00839     NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
00840     NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_INDUSTRY_DIRECTORY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00841     NWidget(WWT_SHADEBOX, COLOUR_BROWN),
00842     NWidget(WWT_STICKYBOX, COLOUR_BROWN),
00843   EndContainer(),
00844   NWidget(NWID_HORIZONTAL),
00845     NWidget(NWID_VERTICAL),
00846       NWidget(NWID_HORIZONTAL),
00847         NWidget(WWT_TEXTBTN, COLOUR_BROWN, IDW_DROPDOWN_ORDER), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
00848         NWidget(WWT_DROPDOWN, COLOUR_BROWN, IDW_DROPDOWN_CRITERIA), SetDataTip(STR_JUST_STRING, STR_TOOLTIP_SORT_CRITERIA),
00849         NWidget(WWT_PANEL, COLOUR_BROWN), SetResize(1, 0), EndContainer(),
00850       EndContainer(),
00851       NWidget(WWT_PANEL, COLOUR_BROWN, IDW_INDUSTRY_LIST), SetDataTip(0x0, STR_INDUSTRY_DIRECTORY_LIST_CAPTION), SetResize(1, 1), EndContainer(),
00852     EndContainer(),
00853     NWidget(NWID_VERTICAL),
00854       NWidget(WWT_SCROLLBAR, COLOUR_BROWN, IDW_SCROLLBAR),
00855       NWidget(WWT_RESIZEBOX, COLOUR_BROWN),
00856     EndContainer(),
00857   EndContainer(),
00858 };
00859 
00860 typedef GUIList<const Industry*> GUIIndustryList;
00861 
00862 
00866 class IndustryDirectoryWindow : public Window {
00867 protected:
00868   /* Runtime saved values */
00869   static Listing last_sorting;
00870   static const Industry *last_industry;
00871 
00872   /* Constants for sorting stations */
00873   static const StringID sorter_names[];
00874   static GUIIndustryList::SortFunction * const sorter_funcs[];
00875 
00876   GUIIndustryList industries;
00877 
00879   void BuildSortIndustriesList()
00880   {
00881     if (this->industries.NeedRebuild()) {
00882       this->industries.Clear();
00883 
00884       const Industry *i;
00885       FOR_ALL_INDUSTRIES(i) {
00886         *this->industries.Append() = i;
00887       }
00888 
00889       this->industries.Compact();
00890       this->industries.RebuildDone();
00891       this->vscroll.SetCount(this->industries.Length()); // Update scrollbar as well.
00892     }
00893 
00894     if (!this->industries.Sort()) return;
00895     IndustryDirectoryWindow::last_industry = NULL; // Reset name sorter sort cache
00896     this->SetWidgetDirty(IDW_INDUSTRY_LIST); // Set the modified widget dirty
00897   }
00898 
00906   static inline int GetCargoTransportedPercentsIfValid(const Industry *i, uint id)
00907   {
00908     assert(id < lengthof(i->produced_cargo));
00909 
00910     if (i->produced_cargo[id] == CT_INVALID) return 101;
00911     return ToPercent8(i->last_month_pct_transported[id]);
00912   }
00913 
00921   static int GetCargoTransportedSortValue(const Industry *i)
00922   {
00923     int p1 = GetCargoTransportedPercentsIfValid(i, 0);
00924     int p2 = GetCargoTransportedPercentsIfValid(i, 1);
00925 
00926     if (p1 > p2) Swap(p1, p2); // lower value has higher priority
00927 
00928     return (p1 << 8) + p2;
00929   }
00930 
00932   static int CDECL IndustryNameSorter(const Industry * const *a, const Industry * const *b)
00933   {
00934     static char buf_cache[96];
00935     static char buf[96];
00936 
00937     SetDParam(0, (*a)->town->index);
00938     GetString(buf, STR_TOWN_NAME, lastof(buf));
00939 
00940     if (*b != last_industry) {
00941       last_industry = *b;
00942       SetDParam(0, (*b)->town->index);
00943       GetString(buf_cache, STR_TOWN_NAME, lastof(buf_cache));
00944     }
00945 
00946     return strcmp(buf, buf_cache);
00947   }
00948 
00950   static int CDECL IndustryTypeSorter(const Industry * const *a, const Industry * const *b)
00951   {
00952     int r = (*a)->type - (*b)->type;
00953     return (r == 0) ? IndustryNameSorter(a, b) : r;
00954   }
00955 
00957   static int CDECL IndustryProductionSorter(const Industry * const *a, const Industry * const *b)
00958   {
00959     uint prod_a = 0, prod_b = 0;
00960     for (uint i = 0; i < lengthof((*a)->produced_cargo); i++) {
00961       if ((*a)->produced_cargo[i] != CT_INVALID) prod_a += (*a)->last_month_production[i];
00962       if ((*b)->produced_cargo[i] != CT_INVALID) prod_b += (*b)->last_month_production[i];
00963     }
00964     int r = prod_a - prod_b;
00965 
00966     return (r == 0) ? IndustryTypeSorter(a, b) : r;
00967   }
00968 
00970   static int CDECL IndustryTransportedCargoSorter(const Industry * const *a, const Industry * const *b)
00971   {
00972     int r = GetCargoTransportedSortValue(*a) - GetCargoTransportedSortValue(*b);
00973     return (r == 0) ? IndustryNameSorter(a, b) : r;
00974   }
00975 
00981   StringID GetIndustryString(const Industry *i) const
00982   {
00983     const IndustrySpec *indsp = GetIndustrySpec(i->type);
00984     byte p = 0;
00985 
00986     /* Industry name */
00987     SetDParam(p++, i->index);
00988 
00989     static char cargo_suffix[lengthof(i->produced_cargo)][512];
00990     GetAllCargoSuffixes(3, CST_DIR, i, i->type, indsp, i->produced_cargo, cargo_suffix);
00991 
00992     /* Industry productions */
00993     for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
00994       if (i->produced_cargo[j] == CT_INVALID) continue;
00995       SetDParam(p++, i->produced_cargo[j]);
00996       SetDParam(p++, i->last_month_production[j]);
00997       SetDParamStr(p++, cargo_suffix[j]);
00998     }
00999 
01000     /* Transported productions */
01001     for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
01002       if (i->produced_cargo[j] == CT_INVALID) continue;
01003       SetDParam(p++, ToPercent8(i->last_month_pct_transported[j]));
01004     }
01005 
01006     /* Drawing the right string */
01007     switch (p) {
01008       case 1:  return STR_INDUSTRY_DIRECTORY_ITEM_NOPROD;
01009       case 5:  return STR_INDUSTRY_DIRECTORY_ITEM;
01010       default: return STR_INDUSTRY_DIRECTORY_ITEM_TWO;
01011     }
01012   }
01013 
01014 public:
01015   IndustryDirectoryWindow(const WindowDesc *desc, WindowNumber number) : Window()
01016   {
01017     this->industries.SetListing(this->last_sorting);
01018     this->industries.SetSortFuncs(IndustryDirectoryWindow::sorter_funcs);
01019     this->industries.ForceRebuild();
01020     this->BuildSortIndustriesList();
01021 
01022     this->InitNested(desc, 0);
01023   }
01024 
01025   ~IndustryDirectoryWindow()
01026   {
01027     this->last_sorting = this->industries.GetListing();
01028   }
01029 
01030   virtual void SetStringParameters(int widget) const
01031   {
01032     if (widget == IDW_DROPDOWN_CRITERIA) SetDParam(0, IndustryDirectoryWindow::sorter_names[this->industries.SortType()]);
01033   }
01034 
01035   virtual void OnPaint()
01036   {
01037     this->DrawWidgets();
01038   }
01039 
01040   virtual void DrawWidget(const Rect &r, int widget) const
01041   {
01042     switch (widget) {
01043       case IDW_DROPDOWN_ORDER:
01044         this->DrawSortButtonState(widget, this->industries.IsDescSortOrder() ? SBS_DOWN : SBS_UP);
01045         break;
01046 
01047       case IDW_INDUSTRY_LIST: {
01048         int n = 0;
01049         int y = r.top + WD_FRAMERECT_TOP;
01050         if (this->industries.Length() == 0) {
01051           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_DIRECTORY_NONE);
01052           break;
01053         }
01054         for (uint i = this->vscroll.GetPosition(); i < this->industries.Length(); i++) {
01055           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, this->GetIndustryString(this->industries[i]));
01056 
01057           y += this->resize.step_height;
01058           if (++n == this->vscroll.GetCapacity()) break; // max number of industries in 1 window
01059         }
01060       } break;
01061     }
01062   }
01063 
01064   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01065   {
01066     switch (widget) {
01067       case IDW_DROPDOWN_ORDER: {
01068         Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
01069         d.width += padding.width + WD_SORTBUTTON_ARROW_WIDTH * 2; // Doubled since the word is centered, also looks nice.
01070         d.height += padding.height;
01071         *size = maxdim(*size, d);
01072         break;
01073       }
01074 
01075       case IDW_DROPDOWN_CRITERIA: {
01076         Dimension d = {0, 0};
01077         for (uint i = 0; IndustryDirectoryWindow::sorter_names[i] != INVALID_STRING_ID; i++) {
01078           d = maxdim(d, GetStringBoundingBox(IndustryDirectoryWindow::sorter_names[i]));
01079         }
01080         d.width += padding.width;
01081         d.height += padding.height;
01082         *size = maxdim(*size, d);
01083         break;
01084       }
01085 
01086       case IDW_INDUSTRY_LIST: {
01087         Dimension d = GetStringBoundingBox(STR_INDUSTRY_DIRECTORY_NONE);
01088         for (uint i = 0; i < this->industries.Length(); i++) {
01089           d = maxdim(d, GetStringBoundingBox(this->GetIndustryString(this->industries[i])));
01090         }
01091         resize->height = d.height;
01092         d.width += padding.width + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
01093         d.height += padding.height + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
01094         *size = maxdim(*size, d);
01095         break;
01096       }
01097     }
01098   }
01099 
01100 
01101   virtual void OnClick(Point pt, int widget, int click_count)
01102   {
01103     switch (widget) {
01104       case IDW_DROPDOWN_ORDER:
01105         this->industries.ToggleSortOrder();
01106         this->SetDirty();
01107         break;
01108 
01109       case IDW_DROPDOWN_CRITERIA:
01110         ShowDropDownMenu(this, IndustryDirectoryWindow::sorter_names, this->industries.SortType(), IDW_DROPDOWN_CRITERIA, 0, 0);
01111         break;
01112 
01113       case IDW_INDUSTRY_LIST: {
01114         int y = (pt.y - this->GetWidget<NWidgetBase>(widget)->pos_y - WD_FRAMERECT_TOP) / this->resize.step_height;
01115         uint16 p;
01116 
01117         if (!IsInsideMM(y, 0, this->vscroll.GetCapacity())) return;
01118         p = y + this->vscroll.GetPosition();
01119         if (p < this->industries.Length()) {
01120           if (_ctrl_pressed) {
01121             ShowExtraViewPortWindow(this->industries[p]->location.tile);
01122           } else {
01123             ScrollMainWindowToTile(this->industries[p]->location.tile);
01124           }
01125         }
01126       } break;
01127     }
01128   }
01129 
01130   virtual void OnDropdownSelect(int widget, int index)
01131   {
01132     if (this->industries.SortType() != index) {
01133       this->industries.SetSortType(index);
01134       this->BuildSortIndustriesList();
01135     }
01136   }
01137 
01138   virtual void OnResize()
01139   {
01140     this->vscroll.SetCapacityFromWidget(this, IDW_INDUSTRY_LIST);
01141   }
01142 
01143   virtual void OnHundredthTick()
01144   {
01145     this->industries.ForceResort();
01146     this->BuildSortIndustriesList();
01147   }
01148 
01149   virtual void OnInvalidateData(int data)
01150   {
01151     if (data == 0) {
01152       this->industries.ForceRebuild();
01153     } else {
01154       this->industries.ForceResort();
01155     }
01156     this->BuildSortIndustriesList();
01157   }
01158 };
01159 
01160 Listing IndustryDirectoryWindow::last_sorting = {false, 0};
01161 const Industry *IndustryDirectoryWindow::last_industry = NULL;
01162 
01163 /* Availible station sorting functions */
01164 GUIIndustryList::SortFunction * const IndustryDirectoryWindow::sorter_funcs[] = {
01165   &IndustryNameSorter,
01166   &IndustryTypeSorter,
01167   &IndustryProductionSorter,
01168   &IndustryTransportedCargoSorter
01169 };
01170 
01171 /* Names of the sorting functions */
01172 const StringID IndustryDirectoryWindow::sorter_names[] = {
01173   STR_SORT_BY_NAME,
01174   STR_SORT_BY_TYPE,
01175   STR_SORT_BY_PRODUCTION,
01176   STR_SORT_BY_TRANSPORTED,
01177   INVALID_STRING_ID
01178 };
01179 
01180 
01182 static const WindowDesc _industry_directory_desc(
01183   WDP_AUTO, 428, 190,
01184   WC_INDUSTRY_DIRECTORY, WC_NONE,
01185   WDF_UNCLICK_BUTTONS,
01186   _nested_industry_directory_widgets, lengthof(_nested_industry_directory_widgets)
01187 );
01188 
01189 void ShowIndustryDirectory()
01190 {
01191   AllocateWindowDescFront<IndustryDirectoryWindow>(&_industry_directory_desc, 0);
01192 }

Generated on Mon Aug 30 19:36:55 2010 for OpenTTD by  doxygen 1.6.1