industry_gui.cpp

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00001 /* $Id: industry_gui.cpp 19087 2010-02-10 20:20:18Z 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->count++;
00159       this->timer_enabled = false;
00160     }
00161     /* Fill the arrays with industries.
00162      * The tests performed after the enabled allow to load the industries
00163      * In the same way they are inserted by grf (if any)
00164      */
00165     for (IndustryType ind = 0; ind < NUM_INDUSTRYTYPES; ind++) {
00166       const IndustrySpec *indsp = GetIndustrySpec(ind);
00167       if (indsp->enabled) {
00168         /* Rule is that editor mode loads all industries.
00169          * In game mode, all non raw industries are loaded too
00170          * and raw ones are loaded only when setting allows it */
00171         if (_game_mode != GM_EDITOR && indsp->IsRawIndustry() && _settings_game.construction.raw_industry_construction == 0) {
00172           /* Unselect if the industry is no longer in the list */
00173           if (this->selected_type == ind) this->selected_index = -1;
00174           continue;
00175         }
00176         this->index[this->count] = ind;
00177         this->enabled[this->count] = (_game_mode == GM_EDITOR) || CheckIfCallBackAllowsAvailability(ind, IACT_USERCREATION);
00178         /* Keep the selection to the correct line */
00179         if (this->selected_type == ind) this->selected_index = this->count;
00180         this->count++;
00181       }
00182     }
00183 
00184     /* first indutry type is selected if the current selection is invalid.
00185      * I'll be damned if there are none available ;) */
00186     if (this->selected_index == -1) {
00187       this->selected_index = 0;
00188       this->selected_type = this->index[0];
00189     }
00190 
00191     this->vscroll.SetCount(this->count);
00192   }
00193 
00194 public:
00195   BuildIndustryWindow() : Window()
00196   {
00197     this->timer_enabled = _loaded_newgrf_features.has_newindustries;
00198 
00199     this->selected_index = -1;
00200     this->selected_type = INVALID_INDUSTRYTYPE;
00201 
00202     /* Initialize arrays */
00203     this->SetupArrays();
00204 
00205     this->callback_timer = DAY_TICKS;
00206 
00207     this->InitNested(&_build_industry_desc, 0);
00208   }
00209 
00210   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00211   {
00212     switch (widget) {
00213       case DPIW_MATRIX_WIDGET: {
00214         Dimension d = GetStringBoundingBox(STR_FUND_INDUSTRY_MANY_RANDOM_INDUSTRIES);
00215         for (byte i = 0; i < this->count; i++) {
00216           if (this->index[i] == INVALID_INDUSTRYTYPE) continue;
00217           d = maxdim(d, GetStringBoundingBox(GetIndustrySpec(this->index[i])->name));
00218         }
00219         resize->height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
00220         d.width += MATRIX_TEXT_OFFSET + padding.width;
00221         d.height = 5 * resize->height;
00222         *size = maxdim(*size, d);
00223         break;
00224       }
00225 
00226       case DPIW_INFOPANEL: {
00227         /* Extra line for cost outside of editor + extra lines for 'extra' information for NewGRFs. */
00228         int height = 2 + (_game_mode == GM_EDITOR ? 0 : 1) + (_loaded_newgrf_features.has_newindustries ? 4 : 0);
00229         Dimension d = {0, 0};
00230         for (byte i = 0; i < this->count; i++) {
00231           if (this->index[i] == INVALID_INDUSTRYTYPE) continue;
00232 
00233           const IndustrySpec *indsp = GetIndustrySpec(this->index[i]);
00234 
00235           char cargo_suffix[3][512];
00236           GetAllCargoSuffixes(0, CST_FUND, NULL, this->index[i], indsp, indsp->accepts_cargo, cargo_suffix);
00237           StringID str = STR_INDUSTRY_VIEW_REQUIRES_CARGO;
00238           byte p = 0;
00239           SetDParam(0, STR_JUST_NOTHING);
00240           SetDParamStr(1, "");
00241           for (byte j = 0; j < lengthof(indsp->accepts_cargo); j++) {
00242             if (indsp->accepts_cargo[j] == CT_INVALID) continue;
00243             if (p > 0) str++;
00244             SetDParam(p++, CargoSpec::Get(indsp->accepts_cargo[j])->name);
00245             SetDParamStr(p++, cargo_suffix[j]);
00246           }
00247           d = maxdim(d, GetStringBoundingBox(str));
00248 
00249           /* Draw the produced cargos, if any. Otherwhise, will print "Nothing" */
00250           GetAllCargoSuffixes(3, CST_FUND, NULL, this->index[i], indsp, indsp->produced_cargo, cargo_suffix);
00251           str = STR_INDUSTRY_VIEW_PRODUCES_CARGO;
00252           p = 0;
00253           SetDParam(0, STR_JUST_NOTHING);
00254           SetDParamStr(1, "");
00255           for (byte j = 0; j < lengthof(indsp->produced_cargo); j++) {
00256             if (indsp->produced_cargo[j] == CT_INVALID) continue;
00257             if (p > 0) str++;
00258             SetDParam(p++, CargoSpec::Get(indsp->produced_cargo[j])->name);
00259             SetDParamStr(p++, cargo_suffix[j]);
00260           }
00261           d = maxdim(d, GetStringBoundingBox(str));
00262         }
00263 
00264         /* Set it to something more sane :) */
00265         size->height = height * FONT_HEIGHT_NORMAL + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
00266         size->width  = d.width + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
00267       } break;
00268 
00269       case DPIW_FUND_WIDGET: {
00270         Dimension d = GetStringBoundingBox(STR_FUND_INDUSTRY_BUILD_NEW_INDUSTRY);
00271         d = maxdim(d, GetStringBoundingBox(STR_FUND_INDUSTRY_PROSPECT_NEW_INDUSTRY));
00272         d = maxdim(d, GetStringBoundingBox(STR_FUND_INDUSTRY_FUND_NEW_INDUSTRY));
00273         d.width += padding.width;
00274         d.height += padding.height;
00275         *size = maxdim(*size, d);
00276         break;
00277       }
00278     }
00279   }
00280 
00281   virtual void SetStringParameters(int widget) const
00282   {
00283     switch (widget) {
00284       case DPIW_FUND_WIDGET:
00285         /* Raw industries might be prospected. Show this fact by changing the string
00286          * In Editor, you just build, while ingame, or you fund or you prospect */
00287         if (_game_mode == GM_EDITOR) {
00288           /* We've chosen many random industries but no industries have been specified */
00289           SetDParam(0, STR_FUND_INDUSTRY_BUILD_NEW_INDUSTRY);
00290         } else {
00291           const IndustrySpec *indsp = GetIndustrySpec(this->index[this->selected_index]);
00292           SetDParam(0, (_settings_game.construction.raw_industry_construction == 2 && indsp->IsRawIndustry()) ? STR_FUND_INDUSTRY_PROSPECT_NEW_INDUSTRY : STR_FUND_INDUSTRY_FUND_NEW_INDUSTRY);
00293         }
00294         break;
00295     }
00296   }
00297 
00298   virtual void DrawWidget(const Rect &r, int widget) const
00299   {
00300     switch (widget) {
00301       case DPIW_MATRIX_WIDGET:
00302         for (byte i = 0; i < this->vscroll.GetCapacity() && i + this->vscroll.GetPosition() < this->count; i++) {
00303           int x = r.left + WD_MATRIX_LEFT;
00304           int y = r.top + WD_MATRIX_TOP + i * this->resize.step_height;
00305           bool selected = this->selected_index == i + this->vscroll.GetPosition();
00306 
00307           if (this->index[i + this->vscroll.GetPosition()] == INVALID_INDUSTRYTYPE) {
00308             DrawString(x + MATRIX_TEXT_OFFSET, r.right - WD_MATRIX_RIGHT, y, STR_FUND_INDUSTRY_MANY_RANDOM_INDUSTRIES, selected ? TC_WHITE : TC_ORANGE);
00309             continue;
00310           }
00311           const IndustrySpec *indsp = GetIndustrySpec(this->index[i + this->vscroll.GetPosition()]);
00312 
00313           /* Draw the name of the industry in white is selected, otherwise, in orange */
00314           DrawString(x + MATRIX_TEXT_OFFSET, r.right - WD_MATRIX_RIGHT, y, indsp->name, selected ? TC_WHITE : TC_ORANGE);
00315           GfxFillRect(x,     y + 1,  x + 10, y + 7, selected ? 15 : 0);
00316           GfxFillRect(x + 1, y + 2,  x +  9, y + 6, indsp->map_colour);
00317         }
00318         break;
00319 
00320       case DPIW_INFOPANEL: {
00321         int y      = r.top    + WD_FRAMERECT_TOP;
00322         int bottom = r.bottom - WD_FRAMERECT_BOTTOM;
00323         int left   = r.left   + WD_FRAMERECT_LEFT;
00324         int right  = r.right  - WD_FRAMERECT_RIGHT;
00325 
00326         if (this->selected_type == INVALID_INDUSTRYTYPE) {
00327           DrawStringMultiLine(left, right, y,  bottom, STR_FUND_INDUSTRY_MANY_RANDOM_INDUSTRIES_TOOLTIP);
00328           break;
00329         }
00330 
00331         const IndustrySpec *indsp = GetIndustrySpec(this->selected_type);
00332 
00333         if (_game_mode != GM_EDITOR) {
00334           SetDParam(0, indsp->GetConstructionCost());
00335           DrawString(left, right, y, STR_FUND_INDUSTRY_INDUSTRY_BUILD_COST);
00336           y += FONT_HEIGHT_NORMAL;
00337         }
00338 
00339         /* Draw the accepted cargos, if any. Otherwhise, will print "Nothing" */
00340         char cargo_suffix[3][512];
00341         GetAllCargoSuffixes(0, CST_FUND, NULL, this->selected_type, indsp, indsp->accepts_cargo, cargo_suffix);
00342         StringID str = STR_INDUSTRY_VIEW_REQUIRES_CARGO;
00343         byte p = 0;
00344         SetDParam(0, STR_JUST_NOTHING);
00345         SetDParamStr(1, "");
00346         for (byte j = 0; j < lengthof(indsp->accepts_cargo); j++) {
00347           if (indsp->accepts_cargo[j] == CT_INVALID) continue;
00348           if (p > 0) str++;
00349           SetDParam(p++, CargoSpec::Get(indsp->accepts_cargo[j])->name);
00350           SetDParamStr(p++, cargo_suffix[j]);
00351         }
00352         DrawString(left, right, y, str);
00353         y += FONT_HEIGHT_NORMAL;
00354 
00355         /* Draw the produced cargos, if any. Otherwhise, will print "Nothing" */
00356         GetAllCargoSuffixes(3, CST_FUND, NULL, this->selected_type, indsp, indsp->produced_cargo, cargo_suffix);
00357         str = STR_INDUSTRY_VIEW_PRODUCES_CARGO;
00358         p = 0;
00359         SetDParam(0, STR_JUST_NOTHING);
00360         SetDParamStr(1, "");
00361         for (byte j = 0; j < lengthof(indsp->produced_cargo); j++) {
00362           if (indsp->produced_cargo[j] == CT_INVALID) continue;
00363           if (p > 0) str++;
00364           SetDParam(p++, CargoSpec::Get(indsp->produced_cargo[j])->name);
00365           SetDParamStr(p++, cargo_suffix[j]);
00366         }
00367         DrawString(left, right, y, str);
00368         y += FONT_HEIGHT_NORMAL;
00369 
00370         /* Get the additional purchase info text, if it has not already been queried. */
00371         str = STR_NULL;
00372         if (HasBit(indsp->callback_mask, CBM_IND_FUND_MORE_TEXT)) {
00373           uint16 callback_res = GetIndustryCallback(CBID_INDUSTRY_FUND_MORE_TEXT, 0, 0, NULL, this->selected_type, INVALID_TILE);
00374           if (callback_res != CALLBACK_FAILED) {  // Did it fail?
00375             str = GetGRFStringID(indsp->grf_prop.grffile->grfid, 0xD000 + callback_res);  // No. here's the new string
00376           }
00377         }
00378 
00379         /* Draw the Additional purchase text, provided by newgrf callback, if any.
00380          * Otherwhise, will print Nothing */
00381         if (str != STR_NULL && str != STR_UNDEFINED) {
00382           SetDParam(0, str);
00383           DrawStringMultiLine(left, right, y, bottom, STR_JUST_STRING);
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 ((_game_mode != GM_EDITOR && _settings_game.construction.raw_industry_construction == 2 && indsp != NULL && indsp->IsRawIndustry()) ||
00409               this->selected_type == INVALID_INDUSTRYTYPE) {
00410             /* Reset the button state if going to prospecting or "build many industries" */
00411             this->RaiseButtons();
00412             ResetObjectToPlace();
00413           }
00414 
00415           this->SetWidgetDisabledState(DPIW_FUND_WIDGET, !this->enabled[this->selected_index]);
00416           if (this->enabled[this->selected_index] && click_count > 1) this->OnClick(pt, DPIW_FUND_WIDGET, 1);
00417         }
00418       } break;
00419 
00420       case DPIW_FUND_WIDGET: {
00421         if (this->selected_type == INVALID_INDUSTRYTYPE) {
00422           this->HandleButtonClick(DPIW_FUND_WIDGET);
00423 
00424           if (Town::GetNumItems() == 0) {
00425             ShowErrorMessage(STR_ERROR_CAN_T_GENERATE_INDUSTRIES, STR_ERROR_MUST_FOUND_TOWN_FIRST, 0, 0);
00426           } else {
00427             extern void GenerateIndustries();
00428             _generating_world = true;
00429             GenerateIndustries();
00430             _generating_world = false;
00431           }
00432         } else if (_game_mode != GM_EDITOR && _settings_game.construction.raw_industry_construction == 2 && GetIndustrySpec(this->selected_type)->IsRawIndustry()) {
00433           DoCommandP(0, this->selected_type, InteractiveRandom(), CMD_BUILD_INDUSTRY | CMD_MSG(STR_ERROR_CAN_T_CONSTRUCT_THIS_INDUSTRY));
00434           this->HandleButtonClick(DPIW_FUND_WIDGET);
00435         } else {
00436           HandlePlacePushButton(this, DPIW_FUND_WIDGET, SPR_CURSOR_INDUSTRY, HT_RECT, NULL);
00437         }
00438       } break;
00439     }
00440   }
00441 
00442   virtual void OnResize()
00443   {
00444     /* Adjust the number of items in the matrix depending of the resize */
00445     this->vscroll.SetCapacityFromWidget(this, DPIW_MATRIX_WIDGET);
00446     this->GetWidget<NWidgetCore>(DPIW_MATRIX_WIDGET)->widget_data = (this->vscroll.GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
00447   }
00448 
00449   virtual void OnPlaceObject(Point pt, TileIndex tile)
00450   {
00451     bool success = true;
00452     /* We do not need to protect ourselves against "Random Many Industries" in this mode */
00453     const IndustrySpec *indsp = GetIndustrySpec(this->selected_type);
00454     uint32 seed = InteractiveRandom();
00455 
00456     if (_game_mode == GM_EDITOR) {
00457       /* Show error if no town exists at all */
00458       if (Town::GetNumItems() == 0) {
00459         SetDParam(0, indsp->name);
00460         ShowErrorMessage(STR_ERROR_CAN_T_BUILD_HERE, STR_ERROR_MUST_FOUND_TOWN_FIRST, pt.x, pt.y);
00461         return;
00462       }
00463 
00464       _current_company = OWNER_NONE;
00465       _generating_world = true;
00466       _ignore_restrictions = true;
00467       success = DoCommandP(tile, (InteractiveRandomRange(indsp->num_table) << 8) | this->selected_type, seed, CMD_BUILD_INDUSTRY | CMD_MSG(STR_ERROR_CAN_T_CONSTRUCT_THIS_INDUSTRY));
00468       if (!success) {
00469         SetDParam(0, indsp->name);
00470         ShowErrorMessage(STR_ERROR_CAN_T_BUILD_HERE, _error_message, pt.x, pt.y);
00471       }
00472 
00473       _ignore_restrictions = false;
00474       _generating_world = false;
00475     } else {
00476       success = DoCommandP(tile, (InteractiveRandomRange(indsp->num_table) << 8) | this->selected_type, seed, CMD_BUILD_INDUSTRY | CMD_MSG(STR_ERROR_CAN_T_CONSTRUCT_THIS_INDUSTRY));
00477     }
00478 
00479     /* If an industry has been built, just reset the cursor and the system */
00480     if (success && !_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00481   }
00482 
00483   virtual void OnTick()
00484   {
00485     if (_pause_mode != PM_UNPAUSED) return;
00486     if (!this->timer_enabled) return;
00487     if (--this->callback_timer == 0) {
00488       /* We have just passed another day.
00489        * See if we need to update availability of currently selected industry */
00490       this->callback_timer = DAY_TICKS; // restart counter
00491 
00492       const IndustrySpec *indsp = GetIndustrySpec(this->selected_type);
00493 
00494       if (indsp->enabled) {
00495         bool call_back_result = CheckIfCallBackAllowsAvailability(this->selected_type, IACT_USERCREATION);
00496 
00497         /* Only if result does match the previous state would it require a redraw. */
00498         if (call_back_result != this->enabled[this->selected_index]) {
00499           this->enabled[this->selected_index] = call_back_result;
00500           this->SetWidgetDisabledState(DPIW_FUND_WIDGET, !this->enabled[this->selected_index]);
00501           this->SetDirty();
00502         }
00503       }
00504     }
00505   }
00506 
00507   virtual void OnTimeout()
00508   {
00509     this->RaiseButtons();
00510   }
00511 
00512   virtual void OnPlaceObjectAbort()
00513   {
00514     this->RaiseButtons();
00515   }
00516 
00517   virtual void OnInvalidateData(int data = 0)
00518   {
00519     this->SetupArrays();
00520 
00521     const IndustrySpec *indsp = (this->selected_type == INVALID_INDUSTRYTYPE) ? NULL : GetIndustrySpec(this->selected_type);
00522     if (indsp == NULL) this->enabled[this->selected_index] = _settings_game.difficulty.number_industries != 0;
00523     this->SetWidgetDisabledState(DPIW_FUND_WIDGET, !this->enabled[this->selected_index]);
00524   }
00525 };
00526 
00527 void ShowBuildIndustryWindow()
00528 {
00529   if (_game_mode != GM_EDITOR && !Company::IsValidID(_local_company)) return;
00530   if (BringWindowToFrontById(WC_BUILD_INDUSTRY, 0)) return;
00531   new BuildIndustryWindow();
00532 }
00533 
00534 static void UpdateIndustryProduction(Industry *i);
00535 
00536 static inline bool IsProductionMinimum(const Industry *i, int pt)
00537 {
00538   return i->production_rate[pt] == 0;
00539 }
00540 
00541 static inline bool IsProductionMaximum(const Industry *i, int pt)
00542 {
00543   return i->production_rate[pt] >= 255;
00544 }
00545 
00546 static inline bool IsProductionAlterable(const Industry *i)
00547 {
00548   return ((_game_mode == GM_EDITOR || _cheats.setup_prod.value) &&
00549       (i->accepts_cargo[0] == CT_INVALID || i->accepts_cargo[0] == CT_VALUABLES));
00550 }
00551 
00553 enum IndustryViewWidgets {
00554   IVW_CAPTION,
00555   IVW_VIEWPORT,
00556   IVW_INFO,
00557   IVW_GOTO,
00558 };
00559 
00560 class IndustryViewWindow : public Window
00561 {
00562   byte editbox_line;        
00563   byte clicked_line;        
00564   byte clicked_button;      
00565   byte production_offset_y; 
00566   int info_height;          
00567 
00568 public:
00569   IndustryViewWindow(const WindowDesc *desc, WindowNumber window_number) : Window()
00570   {
00571     this->flags4 |= WF_DISABLE_VP_SCROLL;
00572     this->editbox_line = 0;
00573     this->clicked_line = 0;
00574     this->clicked_button = 0;
00575     this->info_height = WD_FRAMERECT_TOP + 2 * FONT_HEIGHT_NORMAL + WD_FRAMERECT_BOTTOM + 1; // Info panel has at least two lines text.
00576 
00577     this->InitNested(desc, window_number);
00578     NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(IVW_VIEWPORT);
00579     nvp->InitializeViewport(this, Industry::Get(window_number)->location.tile + TileDiffXY(1, 1), ZOOM_LVL_INDUSTRY);
00580   }
00581 
00582   virtual void OnPaint()
00583   {
00584     this->DrawWidgets();
00585 
00586     if (this->IsShaded()) return; // Don't draw anything when the window is shaded.
00587 
00588     NWidgetBase *nwi = this->GetWidget<NWidgetBase>(IVW_INFO);
00589     uint expected = this->DrawInfo(nwi->pos_x, nwi->pos_x + nwi->current_x - 1, nwi->pos_y) - nwi->pos_y;
00590     if (expected > nwi->current_y - 1) {
00591       this->info_height = expected + 1;
00592       this->ReInit();
00593       return;
00594     }
00595   }
00596 
00603   int DrawInfo(uint left, uint right, uint top)
00604   {
00605     Industry *i = Industry::Get(this->window_number);
00606     const IndustrySpec *ind = GetIndustrySpec(i->type);
00607     int y = top + WD_FRAMERECT_TOP;
00608     bool first = true;
00609     bool has_accept = false;
00610     char cargo_suffix[3][512];
00611 
00612     if (HasBit(ind->callback_mask, CBM_IND_PRODUCTION_CARGO_ARRIVAL) || HasBit(ind->callback_mask, CBM_IND_PRODUCTION_256_TICKS)) {
00613       GetAllCargoSuffixes(0, CST_VIEW, i, i->type, ind, i->accepts_cargo, cargo_suffix);
00614       for (byte j = 0; j < lengthof(i->accepts_cargo); j++) {
00615         if (i->accepts_cargo[j] == CT_INVALID) continue;
00616         has_accept = true;
00617         if (first) {
00618           DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_WAITING_FOR_PROCESSING);
00619           y += FONT_HEIGHT_NORMAL;
00620           first = false;
00621         }
00622         SetDParam(0, i->accepts_cargo[j]);
00623         SetDParam(1, i->incoming_cargo_waiting[j]);
00624         SetDParamStr(2, cargo_suffix[j]);
00625         DrawString(left + WD_FRAMETEXT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_WAITING_STOCKPILE_CARGO);
00626         y += FONT_HEIGHT_NORMAL;
00627       }
00628     } else {
00629       GetAllCargoSuffixes(0, CST_VIEW, i, i->type, ind, i->accepts_cargo, cargo_suffix);
00630       StringID str = STR_INDUSTRY_VIEW_REQUIRES_CARGO;
00631       byte p = 0;
00632       for (byte j = 0; j < lengthof(i->accepts_cargo); j++) {
00633         if (i->accepts_cargo[j] == CT_INVALID) continue;
00634         has_accept = true;
00635         if (p > 0) str++;
00636         SetDParam(p++, CargoSpec::Get(i->accepts_cargo[j])->name);
00637         SetDParamStr(p++, cargo_suffix[j]);
00638       }
00639       if (has_accept) {
00640         DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, str);
00641         y += FONT_HEIGHT_NORMAL;
00642       }
00643     }
00644 
00645     GetAllCargoSuffixes(3, CST_VIEW, i, i->type, ind, i->produced_cargo, cargo_suffix);
00646     first = true;
00647     for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
00648       if (i->produced_cargo[j] == CT_INVALID) continue;
00649       if (first) {
00650         if (has_accept) y += WD_PAR_VSEP_WIDE;
00651         DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_PRODUCTION_LAST_MONTH_TITLE);
00652         y += FONT_HEIGHT_NORMAL;
00653         this->production_offset_y = y;
00654         first = false;
00655       }
00656 
00657       SetDParam(0, i->produced_cargo[j]);
00658       SetDParam(1, i->last_month_production[j]);
00659       SetDParamStr(2, cargo_suffix[j]);
00660       SetDParam(3, ToPercent8(i->last_month_pct_transported[j]));
00661       uint x = left + WD_FRAMETEXT_LEFT + (IsProductionAlterable(i) ? 30 : 0);
00662       DrawString(x, right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_VIEW_TRANSPORTED);
00663       /* Let's put out those buttons.. */
00664       if (IsProductionAlterable(i)) {
00665         DrawArrowButtons(left + WD_FRAMETEXT_LEFT, y, COLOUR_YELLOW, (this->clicked_line == j + 1) ? this->clicked_button : 0,
00666             !IsProductionMinimum(i, j), !IsProductionMaximum(i, j));
00667       }
00668       y += FONT_HEIGHT_NORMAL;
00669     }
00670 
00671     /* Get the extra message for the GUI */
00672     if (HasBit(ind->callback_mask, CBM_IND_WINDOW_MORE_TEXT)) {
00673       uint16 callback_res = GetIndustryCallback(CBID_INDUSTRY_WINDOW_MORE_TEXT, 0, 0, i, i->type, i->location.tile);
00674       if (callback_res != CALLBACK_FAILED) {
00675         StringID message = GetGRFStringID(ind->grf_prop.grffile->grfid, 0xD000 + callback_res);
00676         if (message != STR_NULL && message != STR_UNDEFINED) {
00677           y += WD_PAR_VSEP_WIDE;
00678 
00679           PrepareTextRefStackUsage(6);
00680           /* Use all the available space left from where we stand up to the
00681            * end of the window. We ALSO enlarge the window if needed, so we
00682            * can 'go' wild with the bottom of the window. */
00683           y = DrawStringMultiLine(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, y, UINT16_MAX, message);
00684           StopTextRefStackUsage();
00685         }
00686       }
00687     }
00688     return y + WD_FRAMERECT_BOTTOM;
00689   }
00690 
00691   virtual void SetStringParameters(int widget) const
00692   {
00693     if (widget== IVW_CAPTION) SetDParam(0, this->window_number);
00694   }
00695 
00696   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00697   {
00698     if (widget == IVW_INFO) size->height = this->info_height;
00699   }
00700 
00701   virtual void OnClick(Point pt, int widget, int click_count)
00702   {
00703     Industry *i;
00704 
00705     switch (widget) {
00706       case IVW_INFO: {
00707         i = Industry::Get(this->window_number);
00708 
00709         /* We should work if needed.. */
00710         if (!IsProductionAlterable(i)) return;
00711         uint x = pt.x;
00712         int line = (pt.y - this->production_offset_y) / FONT_HEIGHT_NORMAL;
00713         if (pt.y >= this->production_offset_y && IsInsideMM(line, 0, 2) && i->produced_cargo[line] != CT_INVALID) {
00714           NWidgetBase *nwi = this->GetWidget<NWidgetBase>(widget);
00715           uint left = nwi->pos_x + WD_FRAMETEXT_LEFT;
00716           uint right = nwi->pos_x + nwi->current_x - 1 - WD_FRAMERECT_RIGHT;
00717           if (IsInsideMM(x, left, left + 20) ) {
00718             /* Clicked buttons, decrease or increase production */
00719             if (x < left + 10) {
00720               if (IsProductionMinimum(i, line)) return;
00721               i->production_rate[line] = max(i->production_rate[line] / 2, 0);
00722             } else {
00723               /* a zero production industry is unlikely to give anything but zero, so push it a little bit */
00724               int new_prod = i->production_rate[line] == 0 ? 1 : i->production_rate[line] * 2;
00725               if (IsProductionMaximum(i, line)) return;
00726               i->production_rate[line] = minu(new_prod, 255);
00727             }
00728 
00729             UpdateIndustryProduction(i);
00730             this->SetDirty();
00731             this->flags4 |= WF_TIMEOUT_BEGIN;
00732             this->clicked_line = line + 1;
00733             this->clicked_button = (x < left + 10 ? 1 : 2);
00734           } else if (IsInsideMM(x, left + 30, right)) {
00735             /* clicked the text */
00736             this->editbox_line = line;
00737             SetDParam(0, i->production_rate[line] * 8);
00738             ShowQueryString(STR_JUST_INT, STR_CONFIG_GAME_PRODUCTION, 10, 100, this, CS_ALPHANUMERAL, QSF_NONE);
00739           }
00740         }
00741       } break;
00742 
00743       case IVW_GOTO:
00744         i = Industry::Get(this->window_number);
00745         if (_ctrl_pressed) {
00746           ShowExtraViewPortWindow(i->location.tile + TileDiffXY(1, 1));
00747         } else {
00748           ScrollMainWindowToTile(i->location.tile + TileDiffXY(1, 1));
00749         }
00750         break;
00751     }
00752   }
00753 
00754   virtual void OnTimeout()
00755   {
00756     this->clicked_line = 0;
00757     this->clicked_button = 0;
00758     this->SetDirty();
00759   }
00760 
00761   virtual void OnResize()
00762   {
00763     if (this->viewport != NULL) {
00764       NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(IVW_VIEWPORT);
00765       nvp->UpdateViewportCoordinates(this);
00766     }
00767   }
00768 
00769   virtual void OnQueryTextFinished(char *str)
00770   {
00771     if (StrEmpty(str)) return;
00772 
00773     Industry *i = Industry::Get(this->window_number);
00774     int line = this->editbox_line;
00775 
00776     i->production_rate[line] = ClampU(atoi(str) / 8, 0, 255);
00777     UpdateIndustryProduction(i);
00778     this->SetDirty();
00779   }
00780 };
00781 
00782 static void UpdateIndustryProduction(Industry *i)
00783 {
00784   for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
00785     if (i->produced_cargo[j] != CT_INVALID) {
00786       i->last_month_production[j] = 8 * i->production_rate[j];
00787     }
00788   }
00789 }
00790 
00792 static const NWidgetPart _nested_industry_view_widgets[] = {
00793   NWidget(NWID_HORIZONTAL),
00794     NWidget(WWT_CLOSEBOX, COLOUR_CREAM),
00795     NWidget(WWT_CAPTION, COLOUR_CREAM, IVW_CAPTION), SetDataTip(STR_INDUSTRY_VIEW_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00796     NWidget(WWT_SHADEBOX, COLOUR_CREAM),
00797     NWidget(WWT_STICKYBOX, COLOUR_CREAM),
00798   EndContainer(),
00799   NWidget(WWT_PANEL, COLOUR_CREAM),
00800     NWidget(WWT_INSET, COLOUR_CREAM), SetPadding(2, 2, 2, 2),
00801       NWidget(NWID_VIEWPORT, INVALID_COLOUR, IVW_VIEWPORT), SetMinimalSize(254, 86), SetFill(1, 0), SetPadding(1, 1, 1, 1), SetResize(1, 1),
00802     EndContainer(),
00803   EndContainer(),
00804   NWidget(WWT_PANEL, COLOUR_CREAM, IVW_INFO), SetMinimalSize(260, 2), SetResize(1, 0),
00805   EndContainer(),
00806   NWidget(NWID_HORIZONTAL),
00807     NWidget(WWT_PUSHTXTBTN, COLOUR_CREAM, IVW_GOTO), SetMinimalSize(130, 12), SetDataTip(STR_BUTTON_LOCATION, STR_INDUSTRY_VIEW_LOCATION_TOOLTIP),
00808     NWidget(WWT_PANEL, COLOUR_CREAM), SetResize(1, 0), EndContainer(),
00809     NWidget(WWT_RESIZEBOX, COLOUR_CREAM),
00810   EndContainer(),
00811 };
00812 
00814 static const WindowDesc _industry_view_desc(
00815   WDP_AUTO, 260, 120,
00816   WC_INDUSTRY_VIEW, WC_NONE,
00817   WDF_UNCLICK_BUTTONS,
00818   _nested_industry_view_widgets, lengthof(_nested_industry_view_widgets)
00819 );
00820 
00821 void ShowIndustryViewWindow(int industry)
00822 {
00823   AllocateWindowDescFront<IndustryViewWindow>(&_industry_view_desc, industry);
00824 }
00825 
00827 enum IndustryDirectoryWidgets {
00828   IDW_DROPDOWN_ORDER,
00829   IDW_DROPDOWN_CRITERIA,
00830   IDW_INDUSTRY_LIST,
00831   IDW_SCROLLBAR,
00832 };
00833 
00835 static const NWidgetPart _nested_industry_directory_widgets[] = {
00836   NWidget(NWID_HORIZONTAL),
00837     NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
00838     NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_INDUSTRY_DIRECTORY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00839     NWidget(WWT_SHADEBOX, COLOUR_BROWN),
00840     NWidget(WWT_STICKYBOX, COLOUR_BROWN),
00841   EndContainer(),
00842   NWidget(NWID_HORIZONTAL),
00843     NWidget(NWID_VERTICAL),
00844       NWidget(NWID_HORIZONTAL),
00845         NWidget(WWT_TEXTBTN, COLOUR_BROWN, IDW_DROPDOWN_ORDER), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
00846         NWidget(WWT_DROPDOWN, COLOUR_BROWN, IDW_DROPDOWN_CRITERIA), SetDataTip(STR_JUST_STRING, STR_TOOLTIP_SORT_CRITERIA),
00847         NWidget(WWT_PANEL, COLOUR_BROWN), SetResize(1, 0), EndContainer(),
00848       EndContainer(),
00849       NWidget(WWT_PANEL, COLOUR_BROWN, IDW_INDUSTRY_LIST), SetDataTip(0x0, STR_INDUSTRY_DIRECTORY_LIST_CAPTION), SetResize(1, 1), EndContainer(),
00850     EndContainer(),
00851     NWidget(NWID_VERTICAL),
00852       NWidget(WWT_SCROLLBAR, COLOUR_BROWN, IDW_SCROLLBAR),
00853       NWidget(WWT_RESIZEBOX, COLOUR_BROWN),
00854     EndContainer(),
00855   EndContainer(),
00856 };
00857 
00858 typedef GUIList<const Industry*> GUIIndustryList;
00859 
00860 
00864 class IndustryDirectoryWindow : public Window {
00865 protected:
00866   /* Runtime saved values */
00867   static Listing last_sorting;
00868   static const Industry *last_industry;
00869 
00870   /* Constants for sorting stations */
00871   static const StringID sorter_names[];
00872   static GUIIndustryList::SortFunction * const sorter_funcs[];
00873 
00874   GUIIndustryList industries;
00875 
00877   void BuildSortIndustriesList()
00878   {
00879     if (this->industries.NeedRebuild()) {
00880       this->industries.Clear();
00881 
00882       const Industry *i;
00883       FOR_ALL_INDUSTRIES(i) {
00884         *this->industries.Append() = i;
00885       }
00886 
00887       this->industries.Compact();
00888       this->industries.RebuildDone();
00889       this->vscroll.SetCount(this->industries.Length()); // Update scrollbar as well.
00890     }
00891 
00892     if (!this->industries.Sort()) return;
00893     IndustryDirectoryWindow::last_industry = NULL; // Reset name sorter sort cache
00894     this->SetWidgetDirty(IDW_INDUSTRY_LIST); // Set the modified widget dirty
00895   }
00896 
00904   static inline int GetCargoTransportedPercentsIfValid(const Industry *i, uint id)
00905   {
00906     assert(id < lengthof(i->produced_cargo));
00907 
00908     if (i->produced_cargo[id] == CT_INVALID) return 101;
00909     return ToPercent8(i->last_month_pct_transported[id]);
00910   }
00911 
00919   static int GetCargoTransportedSortValue(const Industry *i)
00920   {
00921     int p1 = GetCargoTransportedPercentsIfValid(i, 0);
00922     int p2 = GetCargoTransportedPercentsIfValid(i, 1);
00923 
00924     if (p1 > p2) Swap(p1, p2); // lower value has higher priority
00925 
00926     return (p1 << 8) + p2;
00927   }
00928 
00930   static int CDECL IndustryNameSorter(const Industry * const *a, const Industry * const *b)
00931   {
00932     static char buf_cache[96];
00933     static char buf[96];
00934 
00935     SetDParam(0, (*a)->town->index);
00936     GetString(buf, STR_TOWN_NAME, lastof(buf));
00937 
00938     if (*b != last_industry) {
00939       last_industry = *b;
00940       SetDParam(0, (*b)->town->index);
00941       GetString(buf_cache, STR_TOWN_NAME, lastof(buf_cache));
00942     }
00943 
00944     return strcmp(buf, buf_cache);
00945   }
00946 
00948   static int CDECL IndustryTypeSorter(const Industry * const *a, const Industry * const *b)
00949   {
00950     int r = (*a)->type - (*b)->type;
00951     return (r == 0) ? IndustryNameSorter(a, b) : r;
00952   }
00953 
00955   static int CDECL IndustryProductionSorter(const Industry * const *a, const Industry * const *b)
00956   {
00957     int r = 0;
00958 
00959     if ((*a)->produced_cargo[0] == CT_INVALID) {
00960       if ((*b)->produced_cargo[0] != CT_INVALID) return -1;
00961     } else {
00962       if ((*b)->produced_cargo[0] == CT_INVALID) return 1;
00963 
00964       r = ((*a)->last_month_production[0] + (*a)->last_month_production[1]) -
00965           ((*b)->last_month_production[0] + (*b)->last_month_production[1]);
00966     }
00967 
00968     return (r == 0) ? IndustryNameSorter(a, b) : r;
00969   }
00970 
00972   static int CDECL IndustryTransportedCargoSorter(const Industry * const *a, const Industry * const *b)
00973   {
00974     int r = GetCargoTransportedSortValue(*a) - GetCargoTransportedSortValue(*b);
00975     return (r == 0) ? IndustryNameSorter(a, b) : r;
00976   }
00977 
00983   StringID GetIndustryString(const Industry *i) const
00984   {
00985     const IndustrySpec *indsp = GetIndustrySpec(i->type);
00986     byte p = 0;
00987 
00988     /* Industry name */
00989     SetDParam(p++, i->index);
00990 
00991     static char cargo_suffix[lengthof(i->produced_cargo)][512];
00992     GetAllCargoSuffixes(3, CST_DIR, i, i->type, indsp, i->produced_cargo, cargo_suffix);
00993 
00994     /* Industry productions */
00995     for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
00996       if (i->produced_cargo[j] == CT_INVALID) continue;
00997       SetDParam(p++, i->produced_cargo[j]);
00998       SetDParam(p++, i->last_month_production[j]);
00999       SetDParamStr(p++, cargo_suffix[j]);
01000     }
01001 
01002     /* Transported productions */
01003     for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
01004       if (i->produced_cargo[j] == CT_INVALID) continue;
01005       SetDParam(p++, ToPercent8(i->last_month_pct_transported[j]));
01006     }
01007 
01008     /* Drawing the right string */
01009     switch (p) {
01010       case 1:  return STR_INDUSTRY_DIRECTORY_ITEM_NOPROD;
01011       case 5:  return STR_INDUSTRY_DIRECTORY_ITEM;
01012       default: return STR_INDUSTRY_DIRECTORY_ITEM_TWO;
01013     }
01014   }
01015 
01016 public:
01017   IndustryDirectoryWindow(const WindowDesc *desc, WindowNumber number) : Window()
01018   {
01019     this->industries.SetListing(this->last_sorting);
01020     this->industries.SetSortFuncs(IndustryDirectoryWindow::sorter_funcs);
01021     this->industries.ForceRebuild();
01022     this->BuildSortIndustriesList();
01023 
01024     this->InitNested(desc, 0);
01025   }
01026 
01027   ~IndustryDirectoryWindow()
01028   {
01029     this->last_sorting = this->industries.GetListing();
01030   }
01031 
01032   virtual void SetStringParameters(int widget) const
01033   {
01034     if (widget == IDW_DROPDOWN_CRITERIA) SetDParam(0, IndustryDirectoryWindow::sorter_names[this->industries.SortType()]);
01035   }
01036 
01037   virtual void OnPaint()
01038   {
01039     this->DrawWidgets();
01040   }
01041 
01042   virtual void DrawWidget(const Rect &r, int widget) const
01043   {
01044     switch (widget) {
01045       case IDW_DROPDOWN_ORDER:
01046         this->DrawSortButtonState(widget, this->industries.IsDescSortOrder() ? SBS_DOWN : SBS_UP);
01047         break;
01048 
01049       case IDW_INDUSTRY_LIST: {
01050         int n = 0;
01051         int y = r.top + WD_FRAMERECT_TOP;
01052         if (this->industries.Length() == 0) {
01053           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_INDUSTRY_DIRECTORY_NONE);
01054           break;
01055         }
01056         for (uint i = this->vscroll.GetPosition(); i < this->industries.Length(); i++) {
01057           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, this->GetIndustryString(this->industries[i]));
01058 
01059           y += this->resize.step_height;
01060           if (++n == this->vscroll.GetCapacity()) break; // max number of industries in 1 window
01061         }
01062       } break;
01063     }
01064   }
01065 
01066   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01067   {
01068     switch (widget) {
01069       case IDW_DROPDOWN_ORDER: {
01070         Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
01071         d.width += padding.width + WD_SORTBUTTON_ARROW_WIDTH * 2; // Doubled since the word is centered, also looks nice.
01072         d.height += padding.height;
01073         *size = maxdim(*size, d);
01074         break;
01075       }
01076 
01077       case IDW_DROPDOWN_CRITERIA: {
01078         Dimension d = {0, 0};
01079         for (uint i = 0; IndustryDirectoryWindow::sorter_names[i] != INVALID_STRING_ID; i++) {
01080           d = maxdim(d, GetStringBoundingBox(IndustryDirectoryWindow::sorter_names[i]));
01081         }
01082         d.width += padding.width;
01083         d.height += padding.height;
01084         *size = maxdim(*size, d);
01085         break;
01086       }
01087 
01088       case IDW_INDUSTRY_LIST: {
01089         Dimension d = GetStringBoundingBox(STR_INDUSTRY_DIRECTORY_NONE);
01090         for (uint i = 0; i < this->industries.Length(); i++) {
01091           d = maxdim(d, GetStringBoundingBox(this->GetIndustryString(this->industries[i])));
01092         }
01093         resize->height = d.height;
01094         d.width += padding.width + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
01095         d.height += padding.height + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
01096         *size = maxdim(*size, d);
01097         break;
01098       }
01099     }
01100   }
01101 
01102 
01103   virtual void OnClick(Point pt, int widget, int click_count)
01104   {
01105     switch (widget) {
01106       case IDW_DROPDOWN_ORDER:
01107         this->industries.ToggleSortOrder();
01108         this->SetDirty();
01109         break;
01110 
01111       case IDW_DROPDOWN_CRITERIA:
01112         ShowDropDownMenu(this, IndustryDirectoryWindow::sorter_names, this->industries.SortType(), IDW_DROPDOWN_CRITERIA, 0, 0);
01113         break;
01114 
01115       case IDW_INDUSTRY_LIST: {
01116         int y = (pt.y - this->GetWidget<NWidgetBase>(widget)->pos_y - WD_FRAMERECT_TOP) / this->resize.step_height;
01117         uint16 p;
01118 
01119         if (!IsInsideMM(y, 0, this->vscroll.GetCapacity())) return;
01120         p = y + this->vscroll.GetPosition();
01121         if (p < this->industries.Length()) {
01122           if (_ctrl_pressed) {
01123             ShowExtraViewPortWindow(this->industries[p]->location.tile);
01124           } else {
01125             ScrollMainWindowToTile(this->industries[p]->location.tile);
01126           }
01127         }
01128       } break;
01129     }
01130   }
01131 
01132   virtual void OnDropdownSelect(int widget, int index)
01133   {
01134     if (this->industries.SortType() != index) {
01135       this->industries.SetSortType(index);
01136       this->BuildSortIndustriesList();
01137     }
01138   }
01139 
01140   virtual void OnResize()
01141   {
01142     this->vscroll.SetCapacityFromWidget(this, IDW_INDUSTRY_LIST);
01143   }
01144 
01145   virtual void OnHundredthTick()
01146   {
01147     this->industries.ForceResort();
01148     this->BuildSortIndustriesList();
01149   }
01150 
01151   virtual void OnInvalidateData(int data)
01152   {
01153     if (data == 0) {
01154       this->industries.ForceRebuild();
01155     } else {
01156       this->industries.ForceResort();
01157     }
01158     this->BuildSortIndustriesList();
01159   }
01160 };
01161 
01162 Listing IndustryDirectoryWindow::last_sorting = {false, 0};
01163 const Industry *IndustryDirectoryWindow::last_industry = NULL;
01164 
01165 /* Availible station sorting functions */
01166 GUIIndustryList::SortFunction * const IndustryDirectoryWindow::sorter_funcs[] = {
01167   &IndustryNameSorter,
01168   &IndustryTypeSorter,
01169   &IndustryProductionSorter,
01170   &IndustryTransportedCargoSorter
01171 };
01172 
01173 /* Names of the sorting functions */
01174 const StringID IndustryDirectoryWindow::sorter_names[] = {
01175   STR_SORT_BY_NAME,
01176   STR_SORT_BY_TYPE,
01177   STR_SORT_BY_PRODUCTION,
01178   STR_SORT_BY_TRANSPORTED,
01179   INVALID_STRING_ID
01180 };
01181 
01182 
01184 static const WindowDesc _industry_directory_desc(
01185   WDP_AUTO, 428, 190,
01186   WC_INDUSTRY_DIRECTORY, WC_NONE,
01187   WDF_UNCLICK_BUTTONS,
01188   _nested_industry_directory_widgets, lengthof(_nested_industry_directory_widgets)
01189 );
01190 
01191 void ShowIndustryDirectory()
01192 {
01193   AllocateWindowDescFront<IndustryDirectoryWindow>(&_industry_directory_desc, 0);
01194 }

Generated on Wed Feb 17 23:06:47 2010 for OpenTTD by  doxygen 1.6.1