newgrf_gui.cpp

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00001 /* $Id: newgrf_gui.cpp 23259 2011-11-18 21:19:18Z 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 "gui.h"
00014 #include "newgrf.h"
00015 #include "strings_func.h"
00016 #include "window_func.h"
00017 #include "gamelog.h"
00018 #include "settings_type.h"
00019 #include "settings_func.h"
00020 #include "widgets/dropdown_type.h"
00021 #include "network/network.h"
00022 #include "network/network_content.h"
00023 #include "sortlist_type.h"
00024 #include "querystring_gui.h"
00025 #include "core/geometry_func.hpp"
00026 #include "newgrf_text.h"
00027 #include "fileio_func.h"
00028 
00029 #include "table/strings.h"
00030 #include "table/sprites.h"
00031 
00035 void ShowNewGRFError()
00036 {
00037   /* Do not show errors when entering the main screen */
00038   if (_game_mode == GM_MENU) return;
00039 
00040   for (const GRFConfig *c = _grfconfig; c != NULL; c = c->next) {
00041     /* We only want to show fatal errors */
00042     if (c->error == NULL || c->error->severity != STR_NEWGRF_ERROR_MSG_FATAL) continue;
00043 
00044     SetDParam   (0, c->error->custom_message == NULL ? c->error->message : STR_JUST_RAW_STRING);
00045     SetDParamStr(1, c->error->custom_message);
00046     SetDParam   (2, STR_JUST_RAW_STRING);
00047     SetDParamStr(3, c->filename);
00048     SetDParam   (4, STR_JUST_RAW_STRING);
00049     SetDParamStr(5, c->error->data);
00050     for (uint i = 0; i < c->error->num_params; i++) {
00051       SetDParam(6 + i, c->error->param_value[i]);
00052     }
00053     ShowErrorMessage(STR_NEWGRF_ERROR_FATAL_POPUP, INVALID_STRING_ID, WL_CRITICAL);
00054     break;
00055   }
00056 }
00057 
00058 static void ShowNewGRFInfo(const GRFConfig *c, uint x, uint y, uint right, uint bottom, bool show_params)
00059 {
00060   if (c->error != NULL) {
00061     char message[512];
00062     SetDParamStr(0, c->error->custom_message); // is skipped by built-in messages
00063     SetDParam   (1, STR_JUST_RAW_STRING);
00064     SetDParamStr(2, c->filename);
00065     SetDParam   (3, STR_JUST_RAW_STRING);
00066     SetDParamStr(4, c->error->data);
00067     for (uint i = 0; i < c->error->num_params; i++) {
00068       SetDParam(5 + i, c->error->param_value[i]);
00069     }
00070     GetString(message, c->error->custom_message == NULL ? c->error->message : STR_JUST_RAW_STRING, lastof(message));
00071 
00072     SetDParamStr(0, message);
00073     y = DrawStringMultiLine(x, right, y, bottom, c->error->severity);
00074   }
00075 
00076   /* Draw filename or not if it is not known (GRF sent over internet) */
00077   if (c->filename != NULL) {
00078     SetDParamStr(0, c->filename);
00079     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_FILENAME);
00080   }
00081 
00082   /* Prepare and draw GRF ID */
00083   char buff[256];
00084   snprintf(buff, lengthof(buff), "%08X", BSWAP32(c->ident.grfid));
00085   SetDParamStr(0, buff);
00086   y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_GRF_ID);
00087 
00088   if ((_settings_client.gui.newgrf_developer_tools || _settings_client.gui.newgrf_show_old_versions) && c->version != 0) {
00089     SetDParam(0, c->version);
00090     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_VERSION);
00091   }
00092   if ((_settings_client.gui.newgrf_developer_tools || _settings_client.gui.newgrf_show_old_versions) && c->min_loadable_version != 0) {
00093     SetDParam(0, c->min_loadable_version);
00094     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_MIN_VERSION);
00095   }
00096 
00097   /* Prepare and draw MD5 sum */
00098   md5sumToString(buff, lastof(buff), c->ident.md5sum);
00099   SetDParamStr(0, buff);
00100   y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_MD5SUM);
00101 
00102   /* Show GRF parameter list */
00103   if (show_params) {
00104     if (c->num_params > 0) {
00105       GRFBuildParamList(buff, c, lastof(buff));
00106       SetDParam(0, STR_JUST_RAW_STRING);
00107       SetDParamStr(1, buff);
00108     } else {
00109       SetDParam(0, STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY_NONE);
00110     }
00111     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_PARAMETER);
00112 
00113     /* Draw the palette of the NewGRF */
00114     SetDParamStr(0, (c->palette & GRFP_USE_WINDOWS) ? "Windows" : "DOS");
00115     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_PALETTE);
00116   }
00117 
00118   /* Show flags */
00119   if (c->status == GCS_NOT_FOUND)       y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_NOT_FOUND);
00120   if (c->status == GCS_DISABLED)        y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_DISABLED);
00121   if (HasBit(c->flags, GCF_INVALID))    y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_INCOMPATIBLE);
00122   if (HasBit(c->flags, GCF_COMPATIBLE)) y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_COMPATIBLE_LOADED);
00123 
00124   /* Draw GRF info if it exists */
00125   if (!StrEmpty(c->GetDescription())) {
00126     SetDParam(0, STR_JUST_RAW_STRING);
00127     SetDParamStr(1, c->GetDescription());
00128     y = DrawStringMultiLine(x, right, y, bottom, STR_BLACK_STRING);
00129   } else {
00130     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_NO_INFO);
00131   }
00132 }
00133 
00134 
00136 enum ShowNewGRFParametersWidgets {
00137   GRFPAR_WIDGET_SHOW_NUMPAR,      
00138   GRFPAR_WIDGET_NUMPAR_DEC,       
00139   GRFPAR_WIDGET_NUMPAR_INC,       
00140   GRFPAR_WIDGET_NUMPAR,           
00141   GRFPAR_WIDGET_NUMPAR_TEXT,      
00142   GRFPAR_WIDGET_BACKGROUND,       
00143   GRFPAR_WIDGET_SCROLLBAR,        
00144   GRFPAR_WIDGET_ACCEPT,           
00145   GRFPAR_WIDGET_RESET,            
00146   GRFPAR_WIDGET_SHOW_DESCRIPTION, 
00147   GRFPAR_WIDGET_DESCRIPTION,      
00148 };
00149 
00153 struct NewGRFParametersWindow : public Window {
00154   static GRFParameterInfo dummy_parameter_info; 
00155   GRFConfig *grf_config; 
00156   uint clicked_button;   
00157   bool clicked_increase; 
00158   int timeout;           
00159   uint clicked_row;      
00160   int line_height;       
00161   Scrollbar *vscroll;
00162   bool action14present;  
00163 
00164   NewGRFParametersWindow(const WindowDesc *desc, GRFConfig *c) : Window(),
00165     grf_config(c),
00166     clicked_button(UINT_MAX),
00167     timeout(0),
00168     clicked_row(UINT_MAX)
00169   {
00170     this->action14present = (c->num_valid_params != lengthof(c->param) || c->param_info.Length() != 0);
00171 
00172     this->CreateNestedTree(desc);
00173     this->vscroll = this->GetScrollbar(GRFPAR_WIDGET_SCROLLBAR);
00174     this->GetWidget<NWidgetStacked>(GRFPAR_WIDGET_SHOW_NUMPAR)->SetDisplayedPlane(this->action14present ? SZSP_HORIZONTAL : 0);
00175     this->GetWidget<NWidgetStacked>(GRFPAR_WIDGET_SHOW_DESCRIPTION)->SetDisplayedPlane(this->action14present ? 0 : SZSP_HORIZONTAL);
00176     this->FinishInitNested(desc);  // Initializes 'this->line_height' as side effect.
00177 
00178     this->InvalidateData();
00179   }
00180 
00186   static GRFParameterInfo *GetDummyParameterInfo(uint nr)
00187   {
00188     dummy_parameter_info.param_nr = nr;
00189     return &dummy_parameter_info;
00190   }
00191 
00192   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00193   {
00194     switch (widget) {
00195       case GRFPAR_WIDGET_NUMPAR_DEC:
00196       case GRFPAR_WIDGET_NUMPAR_INC: {
00197         size->width = size->height = FONT_HEIGHT_NORMAL;
00198         break;
00199       }
00200 
00201       case GRFPAR_WIDGET_NUMPAR: {
00202         SetDParam(0, 999);
00203         Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
00204         d.width += padding.width;
00205         d.height += padding.height;
00206         *size = maxdim(*size, d);
00207         break;
00208       }
00209 
00210       case GRFPAR_WIDGET_BACKGROUND:
00211         this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
00212 
00213         resize->width = 1;
00214         resize->height = this->line_height;
00215         size->height = GB(this->GetWidget<NWidgetCore>(widget)->widget_data, MAT_ROW_START, MAT_ROW_BITS) * this->line_height;
00216         break;
00217 
00218       case GRFPAR_WIDGET_DESCRIPTION:
00219         size->height = max<uint>(size->height, FONT_HEIGHT_NORMAL * 4 + WD_TEXTPANEL_TOP + WD_TEXTPANEL_BOTTOM);
00220         break;
00221     }
00222   }
00223 
00224   virtual void SetStringParameters(int widget) const
00225   {
00226     switch (widget) {
00227       case GRFPAR_WIDGET_NUMPAR:
00228         SetDParam(0, this->vscroll->GetCount());
00229         break;
00230     }
00231   }
00232 
00233   virtual void DrawWidget(const Rect &r, int widget) const
00234   {
00235     if (widget == GRFPAR_WIDGET_DESCRIPTION) {
00236       const GRFParameterInfo *par_info = (this->clicked_row < this->grf_config->param_info.Length()) ? this->grf_config->param_info[this->clicked_row] : NULL;
00237       if (par_info == NULL) return;
00238       const char *desc = GetGRFStringFromGRFText(par_info->desc);
00239       if (desc == NULL) return;
00240       DrawStringMultiLine(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_TEXTPANEL_TOP, r.bottom - WD_TEXTPANEL_BOTTOM, desc, TC_BLACK);
00241       return;
00242     } else if (widget != GRFPAR_WIDGET_BACKGROUND) {
00243       return;
00244     }
00245 
00246     bool rtl = _current_text_dir == TD_RTL;
00247     uint buttons_left = rtl ? r.right - 23 : r.left + 4;
00248     uint text_left    = r.left + (rtl ? WD_FRAMERECT_LEFT : 28);
00249     uint text_right   = r.right - (rtl ? 28 : WD_FRAMERECT_RIGHT);
00250 
00251     int y = r.top;
00252     for (uint i = this->vscroll->GetPosition(); this->vscroll->IsVisible(i) && i < this->vscroll->GetCount(); i++) {
00253       GRFParameterInfo *par_info = (i < this->grf_config->param_info.Length()) ? this->grf_config->param_info[i] : NULL;
00254       if (par_info == NULL) par_info = GetDummyParameterInfo(i);
00255       uint32 current_value = par_info->GetValue(this->grf_config);
00256       bool selected = (i == this->clicked_row);
00257 
00258       if (par_info->type == PTYPE_BOOL) {
00259         DrawFrameRect(buttons_left, y  + 2, buttons_left + 19, y + 10, (current_value != 0) ? COLOUR_GREEN : COLOUR_RED, (current_value != 0) ? FR_LOWERED : FR_NONE);
00260         SetDParam(2, par_info->GetValue(this->grf_config) == 0 ? STR_CONFIG_SETTING_OFF : STR_CONFIG_SETTING_ON);
00261       } else if (par_info->type == PTYPE_UINT_ENUM) {
00262         DrawArrowButtons(buttons_left, y + 2, COLOUR_YELLOW, (this->clicked_button == i) ? 1 + (this->clicked_increase != rtl) : 0, current_value > par_info->min_value, current_value < par_info->max_value);
00263         SetDParam(2, STR_JUST_INT);
00264         SetDParam(3, current_value);
00265         if (par_info->value_names.Contains(current_value)) {
00266           const char *label = GetGRFStringFromGRFText(par_info->value_names.Find(current_value)->second);
00267           if (label != NULL) {
00268             SetDParam(2, STR_JUST_RAW_STRING);
00269             SetDParamStr(3, label);
00270           }
00271         }
00272       }
00273 
00274       const char *name = GetGRFStringFromGRFText(par_info->name);
00275       if (name != NULL) {
00276         SetDParam(0, STR_JUST_RAW_STRING);
00277         SetDParamStr(1, name);
00278       } else {
00279         SetDParam(0, STR_NEWGRF_PARAMETERS_DEFAULT_NAME);
00280         SetDParam(1, i + 1);
00281       }
00282 
00283       DrawString(text_left, text_right, y + WD_MATRIX_TOP, STR_NEWGRF_PARAMETERS_SETTING, selected ? TC_WHITE : TC_LIGHT_BLUE);
00284       y += this->line_height;
00285     }
00286   }
00287 
00288   virtual void OnClick(Point pt, int widget, int click_count)
00289   {
00290     switch (widget) {
00291       case GRFPAR_WIDGET_NUMPAR_DEC:
00292         if (!this->action14present && this->grf_config->num_params > 0) {
00293           this->grf_config->num_params--;
00294           this->InvalidateData();
00295           SetWindowClassesDirty(WC_GAME_OPTIONS); // Is always the newgrf window
00296         }
00297         break;
00298 
00299       case GRFPAR_WIDGET_NUMPAR_INC: {
00300         GRFConfig *c = this->grf_config;
00301         if (!this->action14present && c->num_params < c->num_valid_params) {
00302           c->param[c->num_params++] = 0;
00303           this->InvalidateData();
00304           SetWindowClassesDirty(WC_GAME_OPTIONS); // Is always the newgrf window
00305         }
00306         break;
00307       }
00308 
00309       case GRFPAR_WIDGET_BACKGROUND: {
00310         uint num = this->vscroll->GetScrolledRowFromWidget(pt.y, this, GRFPAR_WIDGET_BACKGROUND);
00311         if (num >= this->vscroll->GetCount()) break;
00312         if (this->clicked_row != num) {
00313           DeleteChildWindows(WC_QUERY_STRING);
00314           this->clicked_row = num;
00315         }
00316 
00317         const NWidgetBase *wid = this->GetWidget<NWidgetBase>(GRFPAR_WIDGET_BACKGROUND);
00318         int x = pt.x - wid->pos_x;
00319         if (_current_text_dir == TD_RTL) x = wid->current_x - x;
00320         x -= 4;
00321 
00322         GRFParameterInfo *par_info = (num < this->grf_config->param_info.Length()) ? this->grf_config->param_info[num] : NULL;
00323         if (par_info == NULL) par_info = GetDummyParameterInfo(num);
00324 
00325         /* One of the arrows is clicked */
00326         if (IsInsideMM(x, 0, 21)) {
00327           uint32 val = par_info->GetValue(this->grf_config);
00328           uint32 old_val = val;
00329           if (par_info->type == PTYPE_BOOL) {
00330             val = !val;
00331           } else {
00332             if (x >= 10) {
00333               /* Increase button clicked */
00334               if (val < par_info->max_value) val++;
00335               this->clicked_increase = true;
00336             } else {
00337               /* Decrease button clicked */
00338               if (val > par_info->min_value) val--;
00339               this->clicked_increase = false;
00340             }
00341           }
00342           if (val != old_val) {
00343             par_info->SetValue(this->grf_config, val);
00344 
00345             this->clicked_button = num;
00346             this->timeout = 5;
00347           }
00348         } else if (par_info->type == PTYPE_UINT_ENUM && click_count >= 2) {
00349           /* Display a query box so users can enter a custom value. */
00350           SetDParam(0, this->grf_config->param[num]);
00351           ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, 100, this, CS_NUMERAL, QSF_NONE);
00352         }
00353         this->SetDirty();
00354         break;
00355       }
00356 
00357       case GRFPAR_WIDGET_RESET:
00358         this->grf_config->SetParameterDefaults();
00359         this->InvalidateData();
00360         SetWindowClassesDirty(WC_GAME_OPTIONS); // Is always the newgrf window
00361         break;
00362 
00363       case GRFPAR_WIDGET_ACCEPT:
00364         delete this;
00365         break;
00366     }
00367   }
00368 
00369   virtual void OnQueryTextFinished(char *str)
00370   {
00371     if (StrEmpty(str)) return;
00372     int32 value = atoi(str);
00373     GRFParameterInfo *par_info = ((uint)this->clicked_row < this->grf_config->param_info.Length()) ? this->grf_config->param_info[this->clicked_row] : NULL;
00374     if (par_info == NULL) par_info = GetDummyParameterInfo(this->clicked_row);
00375     uint32 val = Clamp<uint32>(value, par_info->min_value, par_info->max_value);
00376     par_info->SetValue(this->grf_config, val);
00377     this->SetDirty();
00378   }
00379 
00380   virtual void OnResize()
00381   {
00382     NWidgetCore *nwi = this->GetWidget<NWidgetCore>(GRFPAR_WIDGET_BACKGROUND);
00383     this->vscroll->SetCapacity(nwi->current_y / this->line_height);
00384     nwi->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
00385   }
00386 
00392   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00393   {
00394     if (!gui_scope) return;
00395     if (!this->action14present) {
00396       this->SetWidgetDisabledState(GRFPAR_WIDGET_NUMPAR_DEC, this->grf_config->num_params == 0);
00397       this->SetWidgetDisabledState(GRFPAR_WIDGET_NUMPAR_INC, this->grf_config->num_params >= this->grf_config->num_valid_params);
00398     }
00399 
00400     this->vscroll->SetCount(this->action14present ? this->grf_config->num_valid_params : this->grf_config->num_params);
00401     if (this->clicked_row != UINT_MAX && this->clicked_row >= this->vscroll->GetCount()) {
00402       this->clicked_row = UINT_MAX;
00403       DeleteChildWindows(WC_QUERY_STRING);
00404     }
00405   }
00406 
00407   virtual void OnTick()
00408   {
00409     if (--this->timeout == 0) {
00410       this->clicked_button = UINT_MAX;
00411       this->SetDirty();
00412     }
00413   }
00414 };
00415 GRFParameterInfo NewGRFParametersWindow::dummy_parameter_info(0);
00416 
00417 
00418 static const NWidgetPart _nested_newgrf_parameter_widgets[] = {
00419   NWidget(NWID_HORIZONTAL),
00420     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
00421     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_PARAMETERS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00422   EndContainer(),
00423   NWidget(NWID_SELECTION, INVALID_COLOUR, GRFPAR_WIDGET_SHOW_NUMPAR),
00424     NWidget(WWT_PANEL, COLOUR_MAUVE), SetResize(1, 0), SetFill(1, 0), SetPIP(4, 0, 4),
00425       NWidget(NWID_HORIZONTAL), SetPIP(4, 0, 4),
00426         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, GRFPAR_WIDGET_NUMPAR_DEC), SetMinimalSize(12, 12), SetDataTip(AWV_DECREASE, STR_NULL),
00427         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, GRFPAR_WIDGET_NUMPAR_INC), SetMinimalSize(12, 12), SetDataTip(AWV_INCREASE, STR_NULL),
00428         NWidget(WWT_TEXT, COLOUR_MAUVE, GRFPAR_WIDGET_NUMPAR), SetResize(1, 0), SetFill(1, 0), SetPadding(0, 0, 0, 4), SetDataTip(STR_NEWGRF_PARAMETERS_NUM_PARAM, STR_NULL),
00429       EndContainer(),
00430     EndContainer(),
00431   EndContainer(),
00432   NWidget(NWID_HORIZONTAL),
00433     NWidget(WWT_MATRIX, COLOUR_MAUVE, GRFPAR_WIDGET_BACKGROUND), SetMinimalSize(188, 182), SetResize(1, 1), SetFill(1, 0), SetDataTip(0x501, STR_NULL), SetScrollbar(GRFPAR_WIDGET_SCROLLBAR),
00434     NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, GRFPAR_WIDGET_SCROLLBAR),
00435   EndContainer(),
00436   NWidget(NWID_SELECTION, INVALID_COLOUR, GRFPAR_WIDGET_SHOW_DESCRIPTION),
00437     NWidget(WWT_PANEL, COLOUR_MAUVE, GRFPAR_WIDGET_DESCRIPTION), SetResize(1, 0), SetFill(1, 0),
00438     EndContainer(),
00439   EndContainer(),
00440   NWidget(NWID_HORIZONTAL),
00441     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
00442       NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, GRFPAR_WIDGET_ACCEPT), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_NEWGRF_PARAMETERS_CLOSE, STR_NULL),
00443       NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, GRFPAR_WIDGET_RESET), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_NEWGRF_PARAMETERS_RESET, STR_NEWGRF_PARAMETERS_RESET_TOOLTIP),
00444     EndContainer(),
00445     NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
00446   EndContainer(),
00447 };
00448 
00449 /* Window definition for the change grf parameters window */
00450 static const WindowDesc _newgrf_parameters_desc(
00451   WDP_CENTER, 500, 208,
00452   WC_GRF_PARAMETERS, WC_NONE,
00453   WDF_UNCLICK_BUTTONS,
00454   _nested_newgrf_parameter_widgets, lengthof(_nested_newgrf_parameter_widgets)
00455 );
00456 
00457 void OpenGRFParameterWindow(GRFConfig *c)
00458 {
00459   DeleteWindowByClass(WC_GRF_PARAMETERS);
00460   new NewGRFParametersWindow(&_newgrf_parameters_desc, c);
00461 }
00462 
00463 static GRFPresetList _grf_preset_list;
00464 
00465 class DropDownListPresetItem : public DropDownListItem {
00466 public:
00467   DropDownListPresetItem(int result) : DropDownListItem(result, false) {}
00468 
00469   virtual ~DropDownListPresetItem() {}
00470 
00471   bool Selectable() const
00472   {
00473     return true;
00474   }
00475 
00476   void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const
00477   {
00478     DrawString(left + 2, right + 2, top, _grf_preset_list[this->result], sel ? TC_WHITE : TC_BLACK);
00479   }
00480 };
00481 
00482 static void NewGRFConfirmationCallback(Window *w, bool confirmed);
00483 
00485 enum ShowNewGRFStateWidgets {
00486   SNGRFS_PRESET_LIST,
00487   SNGRFS_PRESET_SAVE,
00488   SNGRFS_PRESET_DELETE,
00489   SNGRFS_ADD,
00490   SNGRFS_REMOVE,
00491   SNGRFS_MOVE_UP,
00492   SNGRFS_MOVE_DOWN,
00493   SNGRFS_FILTER,
00494   SNGRFS_FILE_LIST,
00495   SNGRFS_SCROLLBAR,
00496   SNGRFS_AVAIL_LIST,
00497   SNGRFS_SCROLL2BAR,
00498   SNGRFS_NEWGRF_INFO_TITLE,
00499   SNGRFS_NEWGRF_INFO,
00500   SNGRFS_SET_PARAMETERS,
00501   SNGRFS_TOGGLE_PALETTE,
00502   SNGRFS_APPLY_CHANGES,
00503   SNGRFS_RESCAN_FILES,
00504   SNGRFS_RESCAN_FILES2,
00505   SNGRFS_CONTENT_DOWNLOAD,
00506   SNGRFS_CONTENT_DOWNLOAD2,
00507   SNGRFS_SHOW_REMOVE, 
00508   SNGRFS_SHOW_APPLY,  
00509 };
00510 
00514 struct NewGRFWindow : public QueryStringBaseWindow {
00515   typedef GUIList<const GRFConfig *> GUIGRFConfigList;
00516 
00517   static const uint EDITBOX_MAX_SIZE   =  50;
00518   static const uint EDITBOX_MAX_LENGTH = 300;
00519 
00520   static Listing   last_sorting;   
00521   static Filtering last_filtering; 
00522   static GUIGRFConfigList::SortFunction   * const sorter_funcs[]; 
00523   static GUIGRFConfigList::FilterFunction * const filter_funcs[]; 
00524 
00525   GUIGRFConfigList avails;    
00526   const GRFConfig *avail_sel; 
00527   int avail_pos;              
00528 
00529   GRFConfig *actives;         
00530   GRFConfig *active_sel;      
00531 
00532   GRFConfig **orig_list;      
00533   bool editable;              
00534   bool show_params;           
00535   bool execute;               
00536   int preset;                 
00537 
00538   Scrollbar *vscroll;
00539   Scrollbar *vscroll2;
00540 
00541   NewGRFWindow(const WindowDesc *desc, bool editable, bool show_params, bool execute, GRFConfig **orig_list) : QueryStringBaseWindow(EDITBOX_MAX_SIZE)
00542   {
00543     this->avail_sel   = NULL;
00544     this->avail_pos   = -1;
00545     this->active_sel  = NULL;
00546     this->actives     = NULL;
00547     this->orig_list   = orig_list;
00548     this->editable    = editable;
00549     this->execute     = execute;
00550     this->show_params = show_params;
00551     this->preset      = -1;
00552 
00553     CopyGRFConfigList(&this->actives, *orig_list, false);
00554     GetGRFPresetList(&_grf_preset_list);
00555 
00556     this->CreateNestedTree(desc);
00557     this->vscroll = this->GetScrollbar(SNGRFS_SCROLLBAR);
00558     this->vscroll2 = this->GetScrollbar(SNGRFS_SCROLL2BAR);
00559 
00560     this->GetWidget<NWidgetStacked>(SNGRFS_SHOW_REMOVE)->SetDisplayedPlane(this->editable ? 0 : 1);
00561     this->GetWidget<NWidgetStacked>(SNGRFS_SHOW_APPLY)->SetDisplayedPlane(this->editable ? 0 : SZSP_HORIZONTAL);
00562     this->FinishInitNested(desc);
00563 
00564     InitializeTextBuffer(&this->text, this->edit_str_buf, this->edit_str_size, EDITBOX_MAX_LENGTH);
00565     this->SetFocusedWidget(SNGRFS_FILTER);
00566 
00567     this->avails.SetListing(this->last_sorting);
00568     this->avails.SetFiltering(this->last_filtering);
00569     this->avails.SetSortFuncs(this->sorter_funcs);
00570     this->avails.SetFilterFuncs(this->filter_funcs);
00571     this->avails.ForceRebuild();
00572 
00573     this->OnInvalidateData(GOID_NEWGRF_LIST_EDITED);
00574   }
00575 
00576   ~NewGRFWindow()
00577   {
00578     DeleteWindowByClass(WC_GRF_PARAMETERS);
00579 
00580     if (this->editable && !this->execute) {
00581       CopyGRFConfigList(this->orig_list, this->actives, true);
00582       ResetGRFConfig(false);
00583       ReloadNewGRFData();
00584     }
00585 
00586     /* Remove the temporary copy of grf-list used in window */
00587     ClearGRFConfigList(&this->actives);
00588     _grf_preset_list.Clear();
00589   }
00590 
00591   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00592   {
00593     switch (widget) {
00594       case SNGRFS_FILE_LIST:
00595         resize->height = max(12, FONT_HEIGHT_NORMAL + 2);
00596         size->height = max(size->height, WD_FRAMERECT_TOP + 6 * resize->height + WD_FRAMERECT_BOTTOM);
00597         break;
00598 
00599       case SNGRFS_AVAIL_LIST:
00600         resize->height = max(12, FONT_HEIGHT_NORMAL + 2);
00601         size->height = max(size->height, WD_FRAMERECT_TOP + 8 * resize->height + WD_FRAMERECT_BOTTOM);
00602         break;
00603 
00604       case SNGRFS_NEWGRF_INFO_TITLE: {
00605         Dimension dim = GetStringBoundingBox(STR_NEWGRF_SETTINGS_INFO_TITLE);
00606         size->height = max(size->height, dim.height + WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM);
00607         size->width  = max(size->width,  dim.width  + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT);
00608         break;
00609       }
00610 
00611       case SNGRFS_NEWGRF_INFO:
00612         size->height = max(size->height, WD_FRAMERECT_TOP + 10 * FONT_HEIGHT_NORMAL + WD_FRAMERECT_BOTTOM + padding.height + 2);
00613         break;
00614 
00615       case SNGRFS_PRESET_LIST: {
00616         Dimension d = GetStringBoundingBox(STR_NUM_CUSTOM);
00617         for (uint i = 0; i < _grf_preset_list.Length(); i++) {
00618           if (_grf_preset_list[i] != NULL) {
00619             SetDParamStr(0, _grf_preset_list[i]);
00620             d = maxdim(d, GetStringBoundingBox(STR_JUST_RAW_STRING));
00621           }
00622         }
00623         d.width += padding.width;
00624         *size = maxdim(d, *size);
00625         break;
00626       }
00627 
00628       case SNGRFS_CONTENT_DOWNLOAD:
00629       case SNGRFS_CONTENT_DOWNLOAD2: {
00630         Dimension d = GetStringBoundingBox(STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_BUTTON);
00631         *size = maxdim(d, GetStringBoundingBox(STR_INTRO_ONLINE_CONTENT));
00632         size->width  += padding.width;
00633         size->height += padding.height;
00634         break;
00635       }
00636     }
00637   }
00638 
00639   virtual void OnResize()
00640   {
00641     this->vscroll->SetCapacityFromWidget(this, SNGRFS_FILE_LIST);
00642     this->vscroll2->SetCapacityFromWidget(this, SNGRFS_AVAIL_LIST);
00643   }
00644 
00645   virtual void SetStringParameters(int widget) const
00646   {
00647     switch (widget) {
00648       case SNGRFS_PRESET_LIST:
00649         if (this->preset == -1) {
00650           SetDParam(0, STR_NUM_CUSTOM);
00651         } else {
00652           SetDParam(0, STR_JUST_RAW_STRING);
00653           SetDParamStr(1, _grf_preset_list[this->preset]);
00654         }
00655         break;
00656     }
00657   }
00658 
00659   virtual void OnPaint()
00660   {
00661     this->DrawWidgets();
00662     if (this->editable) this->DrawEditBox(SNGRFS_FILTER);
00663   }
00664 
00670   FORCEINLINE PaletteID GetPalette(const GRFConfig *c) const
00671   {
00672     PaletteID pal;
00673 
00674     /* Pick a colour */
00675     switch (c->status) {
00676       case GCS_NOT_FOUND:
00677       case GCS_DISABLED:
00678         pal = PALETTE_TO_RED;
00679         break;
00680       case GCS_ACTIVATED:
00681         pal = PALETTE_TO_GREEN;
00682         break;
00683       default:
00684         pal = PALETTE_TO_BLUE;
00685         break;
00686     }
00687 
00688     /* Do not show a "not-failure" colour when it actually failed to load */
00689     if (pal != PALETTE_TO_RED) {
00690       if (HasBit(c->flags, GCF_STATIC)) {
00691         pal = PALETTE_TO_GREY;
00692       } else if (HasBit(c->flags, GCF_COMPATIBLE)) {
00693         pal = PALETTE_TO_ORANGE;
00694       }
00695     }
00696 
00697     return pal;
00698   }
00699 
00700   virtual void DrawWidget(const Rect &r, int widget) const
00701   {
00702     switch (widget) {
00703       case SNGRFS_FILE_LIST: {
00704         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, 0xD7);
00705 
00706         uint step_height = this->GetWidget<NWidgetBase>(SNGRFS_FILE_LIST)->resize_y;
00707         uint y = r.top + WD_FRAMERECT_TOP;
00708         int sprite_offset_y = (step_height - 10) / 2;
00709         int offset_y = (step_height - FONT_HEIGHT_NORMAL) / 2;
00710 
00711         bool rtl = _current_text_dir == TD_RTL;
00712         uint text_left    = rtl ? r.left + WD_FRAMERECT_LEFT : r.left + 25;
00713         uint text_right   = rtl ? r.right - 25 : r.right - WD_FRAMERECT_RIGHT;
00714         uint square_left  = rtl ? r.right - 15 : r.left + 5;
00715         uint warning_left = rtl ? r.right - 30 : r.left + 20;
00716 
00717         int i = 0;
00718         for (const GRFConfig *c = this->actives; c != NULL; c = c->next, i++) {
00719           if (this->vscroll->IsVisible(i)) {
00720             const char *text = c->GetName();
00721             bool h = (this->active_sel == c);
00722             PaletteID pal = this->GetPalette(c);
00723 
00724             if (h) GfxFillRect(r.left + 1, y, r.right - 1, y + step_height - 1, 156);
00725             DrawSprite(SPR_SQUARE, pal, square_left, y + sprite_offset_y);
00726             if (c->error != NULL) DrawSprite(SPR_WARNING_SIGN, 0, warning_left, y + sprite_offset_y);
00727             uint txtoffset = c->error == NULL ? 0 : 10;
00728             DrawString(text_left + (rtl ? 0 : txtoffset), text_right - (rtl ? txtoffset : 0), y + offset_y, text, h ? TC_WHITE : TC_ORANGE);
00729             y += step_height;
00730           }
00731         }
00732         break;
00733       }
00734 
00735       case SNGRFS_AVAIL_LIST: {
00736         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, 0xD7);
00737 
00738         uint step_height = this->GetWidget<NWidgetBase>(SNGRFS_AVAIL_LIST)->resize_y;
00739         int offset_y = (step_height - FONT_HEIGHT_NORMAL) / 2;
00740         uint y = r.top + WD_FRAMERECT_TOP;
00741         uint min_index = this->vscroll2->GetPosition();
00742         uint max_index = min(min_index + this->vscroll2->GetCapacity(), this->avails.Length());
00743 
00744         for (uint i = min_index; i < max_index; i++) {
00745           const GRFConfig *c = this->avails[i];
00746           bool h = (c == this->avail_sel);
00747           const char *text = c->GetName();
00748 
00749           if (h) GfxFillRect(r.left + 1, y, r.right - 1, y + step_height - 1, 156);
00750           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y + offset_y, text, h ? TC_WHITE : TC_SILVER);
00751           y += step_height;
00752         }
00753         break;
00754       }
00755 
00756       case SNGRFS_NEWGRF_INFO_TITLE:
00757         /* Create the nice grayish rectangle at the details top. */
00758         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, 157);
00759         DrawString(r.left, r.right, (r.top + r.bottom - FONT_HEIGHT_NORMAL) / 2, STR_NEWGRF_SETTINGS_INFO_TITLE, TC_FROMSTRING, SA_HOR_CENTER);
00760         break;
00761 
00762       case SNGRFS_NEWGRF_INFO: {
00763         const GRFConfig *selected = this->active_sel;
00764         if (selected == NULL) selected = this->avail_sel;
00765         if (selected != NULL) {
00766           ShowNewGRFInfo(selected, r.left + WD_FRAMERECT_LEFT, r.top + WD_FRAMERECT_TOP, r.right - WD_FRAMERECT_RIGHT, r.bottom - WD_FRAMERECT_BOTTOM, this->show_params);
00767         }
00768         break;
00769       }
00770     }
00771   }
00772 
00773   virtual void OnClick(Point pt, int widget, int click_count)
00774   {
00775     switch (widget) {
00776       case SNGRFS_PRESET_LIST: {
00777         DropDownList *list = new DropDownList();
00778 
00779         /* Add 'None' option for clearing list */
00780         list->push_back(new DropDownListStringItem(STR_NONE, -1, false));
00781 
00782         for (uint i = 0; i < _grf_preset_list.Length(); i++) {
00783           if (_grf_preset_list[i] != NULL) {
00784             list->push_back(new DropDownListPresetItem(i));
00785           }
00786         }
00787 
00788         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00789         ShowDropDownList(this, list, this->preset, SNGRFS_PRESET_LIST);
00790         break;
00791       }
00792 
00793       case SNGRFS_PRESET_SAVE:
00794         ShowQueryString(STR_EMPTY, STR_NEWGRF_SETTINGS_PRESET_SAVE_QUERY, 32, 100, this, CS_ALPHANUMERAL, QSF_NONE);
00795         break;
00796 
00797       case SNGRFS_PRESET_DELETE:
00798         if (this->preset == -1) return;
00799 
00800         DeleteGRFPresetFromConfig(_grf_preset_list[this->preset]);
00801         GetGRFPresetList(&_grf_preset_list);
00802         this->preset = -1;
00803         this->InvalidateData();
00804         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00805         break;
00806 
00807       case SNGRFS_MOVE_UP: { // Move GRF up
00808         if (this->active_sel == NULL || !this->editable) break;
00809 
00810         int pos = 0;
00811         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next, pos++) {
00812           GRFConfig *c = *pc;
00813           if (c->next == this->active_sel) {
00814             c->next = this->active_sel->next;
00815             this->active_sel->next = c;
00816             *pc = this->active_sel;
00817             break;
00818           }
00819         }
00820         this->vscroll->ScrollTowards(pos);
00821         this->preset = -1;
00822         this->InvalidateData();
00823         break;
00824       }
00825 
00826       case SNGRFS_MOVE_DOWN: { // Move GRF down
00827         if (this->active_sel == NULL || !this->editable) break;
00828 
00829         int pos = 1; // Start at 1 as we swap the selected newgrf with the next one
00830         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next, pos++) {
00831           GRFConfig *c = *pc;
00832           if (c == this->active_sel) {
00833             *pc = c->next;
00834             c->next = c->next->next;
00835             (*pc)->next = c;
00836             break;
00837           }
00838         }
00839         this->vscroll->ScrollTowards(pos);
00840         this->preset = -1;
00841         this->InvalidateData();
00842         break;
00843       }
00844 
00845       case SNGRFS_FILE_LIST: { // Select an active GRF.
00846         uint i = this->vscroll->GetScrolledRowFromWidget(pt.y, this, SNGRFS_FILE_LIST);
00847 
00848         GRFConfig *c;
00849         for (c = this->actives; c != NULL && i > 0; c = c->next, i--) {}
00850 
00851         if (this->active_sel != c) DeleteWindowByClass(WC_GRF_PARAMETERS);
00852         this->active_sel = c;
00853         this->avail_sel = NULL;
00854         this->avail_pos = -1;
00855 
00856         this->InvalidateData();
00857         if (click_count == 1) break;
00858         /* FALL THROUGH, with double click. */
00859       }
00860 
00861       case SNGRFS_REMOVE: { // Remove GRF
00862         if (this->active_sel == NULL || !this->editable) break;
00863         DeleteWindowByClass(WC_GRF_PARAMETERS);
00864 
00865         /* Choose the next GRF file to be the selected file. */
00866         GRFConfig *newsel = this->active_sel->next;
00867         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next) {
00868           GRFConfig *c = *pc;
00869           /* If the new selection is empty (i.e. we're deleting the last item
00870            * in the list, pick the file just before the selected file */
00871           if (newsel == NULL && c->next == this->active_sel) newsel = c;
00872 
00873           if (c == this->active_sel) {
00874             *pc = c->next;
00875             delete c;
00876             break;
00877           }
00878         }
00879 
00880         this->active_sel = newsel;
00881         this->preset = -1;
00882         this->avail_pos = -1;
00883         this->avail_sel = NULL;
00884         this->avails.ForceRebuild();
00885         this->InvalidateData(GOID_NEWGRF_LIST_EDITED);
00886         break;
00887       }
00888 
00889       case SNGRFS_AVAIL_LIST: { // Select a non-active GRF.
00890         uint i = this->vscroll2->GetScrolledRowFromWidget(pt.y, this, SNGRFS_AVAIL_LIST);
00891         this->active_sel = NULL;
00892         DeleteWindowByClass(WC_GRF_PARAMETERS);
00893         if (i < this->avails.Length()) {
00894           this->avail_sel = this->avails[i];
00895           this->avail_pos = i;
00896         }
00897         this->InvalidateData();
00898         if (click_count == 1) break;
00899         /* FALL THROUGH, with double click. */
00900       }
00901 
00902       case SNGRFS_ADD: {
00903         if (this->avail_sel == NULL || !this->editable || HasBit(this->avail_sel->flags, GCF_INVALID)) break;
00904 
00905         GRFConfig **list;
00906         /* Find last entry in the list, checking for duplicate grfid on the way */
00907         for (list = &this->actives; *list != NULL; list = &(*list)->next) {
00908           if ((*list)->ident.grfid == this->avail_sel->ident.grfid) {
00909             ShowErrorMessage(STR_NEWGRF_DUPLICATE_GRFID, INVALID_STRING_ID, WL_INFO);
00910             return;
00911           }
00912         }
00913 
00914         GRFConfig *c = new GRFConfig(*this->avail_sel); // Copy GRF details from scanned list.
00915         c->SetParameterDefaults();
00916         *list = c; // Append GRF config to configuration list.
00917 
00918         /* Select next (or previous, if last one) item in the list. */
00919         int new_pos = this->avail_pos + 1;
00920         if (new_pos >= (int)this->avails.Length()) new_pos = this->avail_pos - 1;
00921         this->avail_pos = new_pos;
00922         if (new_pos >= 0) this->avail_sel = this->avails[new_pos];
00923 
00924         this->avails.ForceRebuild();
00925         this->InvalidateData(GOID_NEWGRF_LIST_EDITED);
00926         break;
00927       }
00928 
00929       case SNGRFS_APPLY_CHANGES: // Apply changes made to GRF list
00930         if (!this->editable) break;
00931         if (this->execute) {
00932           ShowQuery(
00933             STR_NEWGRF_POPUP_CAUTION_CAPTION,
00934             STR_NEWGRF_CONFIRMATION_TEXT,
00935             this,
00936             NewGRFConfirmationCallback
00937           );
00938         } else {
00939           CopyGRFConfigList(this->orig_list, this->actives, true);
00940           ResetGRFConfig(false);
00941           ReloadNewGRFData();
00942         }
00943         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00944         break;
00945 
00946       case SNGRFS_SET_PARAMETERS: { // Edit parameters
00947         if (this->active_sel == NULL || !this->editable || !this->show_params || this->active_sel->num_valid_params == 0) break;
00948 
00949         OpenGRFParameterWindow(this->active_sel);
00950         break;
00951       }
00952 
00953       case SNGRFS_TOGGLE_PALETTE:
00954         if (this->active_sel != NULL || !this->editable) {
00955           this->active_sel->palette ^= GRFP_USE_MASK;
00956           this->SetDirty();
00957         }
00958         break;
00959 
00960       case SNGRFS_CONTENT_DOWNLOAD:
00961       case SNGRFS_CONTENT_DOWNLOAD2:
00962         if (!_network_available) {
00963           ShowErrorMessage(STR_NETWORK_ERROR_NOTAVAILABLE, INVALID_STRING_ID, WL_ERROR);
00964         } else {
00965 #if defined(ENABLE_NETWORK)
00966           this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00967 
00968           /* Only show the things in the current list, or everything when nothing's selected */
00969           ContentVector cv;
00970           for (const GRFConfig *c = this->actives; c != NULL; c = c->next) {
00971             if (c->status != GCS_NOT_FOUND && !HasBit(c->flags, GCF_COMPATIBLE)) continue;
00972 
00973             ContentInfo *ci = new ContentInfo();
00974             ci->type = CONTENT_TYPE_NEWGRF;
00975             ci->state = ContentInfo::DOES_NOT_EXIST;
00976             ttd_strlcpy(ci->name, c->GetName(), lengthof(ci->name));
00977             ci->unique_id = BSWAP32(c->ident.grfid);
00978             memcpy(ci->md5sum, HasBit(c->flags, GCF_COMPATIBLE) ? c->original_md5sum : c->ident.md5sum, sizeof(ci->md5sum));
00979             *cv.Append() = ci;
00980           }
00981           ShowNetworkContentListWindow(cv.Length() == 0 ? NULL : &cv, CONTENT_TYPE_NEWGRF);
00982 #endif
00983         }
00984         break;
00985 
00986       case SNGRFS_RESCAN_FILES:
00987       case SNGRFS_RESCAN_FILES2:
00988         TarScanner::DoScan();
00989         ScanNewGRFFiles();
00990         this->avail_sel = NULL;
00991         this->avail_pos = -1;
00992         this->avails.ForceRebuild();
00993         this->InvalidateData(GOID_NEWGRF_RESCANNED);
00994         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00995         InvalidateWindowClassesData(WC_SAVELOAD);
00996         break;
00997     }
00998   }
00999 
01000   virtual void OnDropdownSelect(int widget, int index)
01001   {
01002     if (!this->editable) return;
01003 
01004     ClearGRFConfigList(&this->actives);
01005     this->preset = index;
01006 
01007     if (index != -1) {
01008       this->actives = LoadGRFPresetFromConfig(_grf_preset_list[index]);
01009     }
01010     this->avails.ForceRebuild();
01011 
01012     DeleteWindowByClass(WC_GRF_PARAMETERS);
01013     this->active_sel = NULL;
01014     this->InvalidateData(GOID_NEWGRF_PRESET_LOADED);
01015   }
01016 
01017   virtual void OnQueryTextFinished(char *str)
01018   {
01019     if (str == NULL) return;
01020 
01021     SaveGRFPresetToConfig(str, this->actives);
01022     GetGRFPresetList(&_grf_preset_list);
01023 
01024     /* Switch to this preset */
01025     for (uint i = 0; i < _grf_preset_list.Length(); i++) {
01026       if (_grf_preset_list[i] != NULL && strcmp(_grf_preset_list[i], str) == 0) {
01027         this->preset = i;
01028         break;
01029       }
01030     }
01031 
01032     this->InvalidateData();
01033   }
01034 
01040   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
01041   {
01042     if (!gui_scope) return;
01043     switch (data) {
01044       default:
01045         /* Nothing important to do */
01046         break;
01047 
01048       case GOID_NEWGRF_RESCANNED:
01049         /* Search the list for items that are now found and mark them as such. */
01050         for (GRFConfig **l = &this->actives; *l != NULL; l = &(*l)->next) {
01051           GRFConfig *c = *l;
01052           bool compatible = HasBit(c->flags, GCF_COMPATIBLE);
01053           if (c->status != GCS_NOT_FOUND && !compatible) continue;
01054 
01055           const GRFConfig *f = FindGRFConfig(c->ident.grfid, FGCM_EXACT, compatible ? c->original_md5sum : c->ident.md5sum);
01056           if (f == NULL || HasBit(f->flags, GCF_INVALID)) continue;
01057 
01058           *l = new GRFConfig(*f);
01059           (*l)->next = c->next;
01060 
01061           if (active_sel == c) active_sel = *l;
01062 
01063           delete c;
01064         }
01065 
01066         this->avails.ForceRebuild();
01067         /* FALL THROUGH */
01068       case GOID_NEWGRF_LIST_EDITED:
01069         this->preset = -1;
01070         /* FALL THROUGH */
01071       case GOID_NEWGRF_PRESET_LOADED: {
01072         /* Update scrollbars */
01073         int i = 0;
01074         for (const GRFConfig *c = this->actives; c != NULL; c = c->next, i++) {}
01075 
01076         this->vscroll->SetCapacityFromWidget(this, SNGRFS_FILE_LIST);
01077         this->vscroll->SetCount(i);
01078 
01079         this->vscroll2->SetCapacityFromWidget(this, SNGRFS_AVAIL_LIST);
01080         if (this->avail_pos >= 0) this->vscroll2->ScrollTowards(this->avail_pos);
01081         break;
01082       }
01083     }
01084 
01085     this->BuildAvailables();
01086 
01087     this->SetWidgetsDisabledState(!this->editable,
01088       SNGRFS_PRESET_LIST,
01089       SNGRFS_APPLY_CHANGES,
01090       SNGRFS_TOGGLE_PALETTE,
01091       WIDGET_LIST_END
01092     );
01093     this->SetWidgetDisabledState(SNGRFS_ADD, !this->editable || this->avail_sel == NULL || HasBit(this->avail_sel->flags, GCF_INVALID));
01094 
01095     bool disable_all = this->active_sel == NULL || !this->editable;
01096     this->SetWidgetsDisabledState(disable_all,
01097       SNGRFS_REMOVE,
01098       SNGRFS_MOVE_UP,
01099       SNGRFS_MOVE_DOWN,
01100       WIDGET_LIST_END
01101     );
01102     this->SetWidgetDisabledState(SNGRFS_SET_PARAMETERS, !this->show_params || disable_all || this->active_sel->num_valid_params == 0);
01103     this->SetWidgetDisabledState(SNGRFS_TOGGLE_PALETTE, disable_all);
01104 
01105     if (!disable_all) {
01106       /* All widgets are now enabled, so disable widgets we can't use */
01107       if (this->active_sel == this->actives)    this->DisableWidget(SNGRFS_MOVE_UP);
01108       if (this->active_sel->next == NULL)       this->DisableWidget(SNGRFS_MOVE_DOWN);
01109       if (this->active_sel->IsOpenTTDBaseGRF()) this->DisableWidget(SNGRFS_REMOVE);
01110     }
01111 
01112     this->SetWidgetDisabledState(SNGRFS_PRESET_DELETE, this->preset == -1);
01113 
01114     bool has_missing = false;
01115     bool has_compatible = false;
01116     for (const GRFConfig *c = this->actives; !has_missing && c != NULL; c = c->next) {
01117       has_missing    |= c->status == GCS_NOT_FOUND;
01118       has_compatible |= HasBit(c->flags, GCF_COMPATIBLE);
01119     }
01120     uint16 widget_data;
01121     StringID tool_tip;
01122     if (has_missing || has_compatible) {
01123       widget_data = STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_BUTTON;
01124       tool_tip    = STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_TOOLTIP;
01125     } else {
01126       widget_data = STR_INTRO_ONLINE_CONTENT;
01127       tool_tip    = STR_INTRO_TOOLTIP_ONLINE_CONTENT;
01128     }
01129     this->GetWidget<NWidgetCore>(SNGRFS_CONTENT_DOWNLOAD)->widget_data  = widget_data;
01130     this->GetWidget<NWidgetCore>(SNGRFS_CONTENT_DOWNLOAD)->tool_tip     = tool_tip;
01131     this->GetWidget<NWidgetCore>(SNGRFS_CONTENT_DOWNLOAD2)->widget_data = widget_data;
01132     this->GetWidget<NWidgetCore>(SNGRFS_CONTENT_DOWNLOAD2)->tool_tip    = tool_tip;
01133 
01134     this->SetWidgetDisabledState(SNGRFS_PRESET_SAVE, has_missing);
01135   }
01136 
01137   virtual void OnMouseLoop()
01138   {
01139     if (this->editable) this->HandleEditBox(SNGRFS_FILTER);
01140   }
01141 
01142   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
01143   {
01144     if (!this->editable) return ES_NOT_HANDLED;
01145 
01146     switch (keycode) {
01147       case WKC_UP:
01148         /* scroll up by one */
01149         if (this->avail_pos > 0) this->avail_pos--;
01150         break;
01151 
01152       case WKC_DOWN:
01153         /* scroll down by one */
01154         if (this->avail_pos < (int)this->avails.Length() - 1) this->avail_pos++;
01155         break;
01156 
01157       case WKC_PAGEUP:
01158         /* scroll up a page */
01159         this->avail_pos = (this->avail_pos < this->vscroll2->GetCapacity()) ? 0 : this->avail_pos - this->vscroll2->GetCapacity();
01160         break;
01161 
01162       case WKC_PAGEDOWN:
01163         /* scroll down a page */
01164         this->avail_pos = min(this->avail_pos + this->vscroll2->GetCapacity(), (int)this->avails.Length() - 1);
01165         break;
01166 
01167       case WKC_HOME:
01168         /* jump to beginning */
01169         this->avail_pos = 0;
01170         break;
01171 
01172       case WKC_END:
01173         /* jump to end */
01174         this->avail_pos = this->avails.Length() - 1;
01175         break;
01176 
01177       default: {
01178         /* Handle editbox input */
01179         EventState state = ES_NOT_HANDLED;
01180         if (this->HandleEditBoxKey(SNGRFS_FILTER, key, keycode, state) == HEBR_EDITING) {
01181           this->OnOSKInput(SNGRFS_FILTER);
01182         }
01183         return state;
01184       }
01185     }
01186 
01187     if (this->avails.Length() == 0) this->avail_pos = -1;
01188     if (this->avail_pos >= 0) {
01189       this->avail_sel = this->avails[this->avail_pos];
01190       this->vscroll2->ScrollTowards(this->avail_pos);
01191       this->InvalidateData(0);
01192     }
01193 
01194     return ES_HANDLED;
01195   }
01196 
01197   virtual void OnOSKInput(int wid)
01198   {
01199     if (!this->editable) return;
01200 
01201     this->avails.SetFilterState(!StrEmpty(this->edit_str_buf));
01202     this->avails.ForceRebuild();
01203     this->InvalidateData(0);
01204   }
01205 
01206 private:
01208   static int CDECL NameSorter(const GRFConfig * const *a, const GRFConfig * const *b)
01209   {
01210     int i = strnatcmp((*a)->GetName(), (*b)->GetName()); // Sort by name (natural sorting).
01211     if (i != 0) return i;
01212 
01213     i = (*a)->version - (*b)->version;
01214     if (i != 0) return i;
01215 
01216     return memcmp((*a)->ident.md5sum, (*b)->ident.md5sum, lengthof((*b)->ident.md5sum));
01217   }
01218 
01220   static bool CDECL TagNameFilter(const GRFConfig * const *a, const char *filter_string)
01221   {
01222     if (strcasestr((*a)->GetName(), filter_string) != NULL) return true;
01223     if ((*a)->filename != NULL && strcasestr((*a)->filename, filter_string) != NULL) return true;
01224     if ((*a)->GetDescription() != NULL && strcasestr((*a)->GetDescription(), filter_string) != NULL) return true;
01225     return false;
01226   }
01227 
01228   void BuildAvailables()
01229   {
01230     if (!this->avails.NeedRebuild()) return;
01231 
01232     this->avails.Clear();
01233 
01234     for (const GRFConfig *c = _all_grfs; c != NULL; c = c->next) {
01235       bool found = false;
01236       for (const GRFConfig *grf = this->actives; grf != NULL && !found; grf = grf->next) found = grf->ident.HasGrfIdentifier(c->ident.grfid, c->ident.md5sum);
01237       if (found) continue;
01238 
01239       if (_settings_client.gui.newgrf_show_old_versions) {
01240         *this->avails.Append() = c;
01241       } else {
01242         const GRFConfig *best = FindGRFConfig(c->ident.grfid, HasBit(c->flags, GCF_INVALID) ? FGCM_NEWEST : FGCM_NEWEST_VALID);
01243         /*
01244          * If the best version is 0, then all NewGRF with this GRF ID
01245          * have version 0, so for backward compatability reasons we
01246          * want to show them all.
01247          * If we are the best version, then we definitely want to
01248          * show that NewGRF!.
01249          */
01250         if (best->version == 0 || best->ident.HasGrfIdentifier(c->ident.grfid, c->ident.md5sum)) {
01251           *this->avails.Append() = c;
01252         }
01253       }
01254     }
01255 
01256     this->avails.Filter(this->edit_str_buf);
01257     this->avails.Compact();
01258     this->avails.RebuildDone();
01259     this->avails.Sort();
01260 
01261     if (this->avail_sel != NULL) {
01262       this->avail_pos = this->avails.FindIndex(this->avail_sel);
01263       if (this->avail_pos < 0) this->avail_sel = NULL;
01264     }
01265 
01266     this->vscroll2->SetCount(this->avails.Length()); // Update the scrollbar
01267   }
01268 };
01269 
01270 Listing NewGRFWindow::last_sorting     = {false, 0};
01271 Filtering NewGRFWindow::last_filtering = {false, 0};
01272 
01273 NewGRFWindow::GUIGRFConfigList::SortFunction * const NewGRFWindow::sorter_funcs[] = {
01274   &NameSorter,
01275 };
01276 
01277 NewGRFWindow::GUIGRFConfigList::FilterFunction * const NewGRFWindow::filter_funcs[] = {
01278   &TagNameFilter,
01279 };
01280 
01287 class NWidgetNewGRFDisplay : public NWidgetContainer {
01288 public:
01289   static const uint INTER_LIST_SPACING;      
01290   static const uint INTER_COLUMN_SPACING;    
01291   static const uint MAX_EXTRA_INFO_WIDTH;    
01292   static const uint MIN_EXTRA_FOR_3_COLUMNS; 
01293 
01294   NWidgetBase *avs; 
01295   NWidgetBase *acs; 
01296   NWidgetBase *inf; 
01297   bool editable;    
01298 
01299   NWidgetNewGRFDisplay(NWidgetBase *avs, NWidgetBase *acs, NWidgetBase *inf) : NWidgetContainer(NWID_HORIZONTAL)
01300   {
01301     this->avs = avs;
01302     this->acs = acs;
01303     this->inf = inf;
01304 
01305     this->Add(this->avs);
01306     this->Add(this->acs);
01307     this->Add(this->inf);
01308 
01309     this->editable = true; // Temporary setting, 'real' value is set in SetupSmallestSize().
01310   }
01311 
01312   virtual void SetupSmallestSize(Window *w, bool init_array)
01313   {
01314     /* Copy state flag from the window. */
01315     assert(dynamic_cast<NewGRFWindow *>(w) != NULL);
01316     NewGRFWindow *ngw = (NewGRFWindow *)w;
01317     this->editable = ngw->editable;
01318 
01319     this->avs->SetupSmallestSize(w, init_array);
01320     this->acs->SetupSmallestSize(w, init_array);
01321     this->inf->SetupSmallestSize(w, init_array);
01322 
01323     uint min_avs_width = this->avs->smallest_x + this->avs->padding_left + this->avs->padding_right;
01324     uint min_acs_width = this->acs->smallest_x + this->acs->padding_left + this->acs->padding_right;
01325     uint min_inf_width = this->inf->smallest_x + this->inf->padding_left + this->inf->padding_right;
01326 
01327     uint min_avs_height = this->avs->smallest_y + this->avs->padding_top + this->avs->padding_bottom;
01328     uint min_acs_height = this->acs->smallest_y + this->acs->padding_top + this->acs->padding_bottom;
01329     uint min_inf_height = this->inf->smallest_y + this->inf->padding_top + this->inf->padding_bottom;
01330 
01331     /* Smallest window is in two column mode. */
01332     this->smallest_x = max(min_avs_width, min_acs_width) + INTER_COLUMN_SPACING + min_inf_width;
01333     this->smallest_y = max(min_inf_height, min_acs_height + INTER_LIST_SPACING + min_avs_height);
01334 
01335     /* Filling. */
01336     this->fill_x = LeastCommonMultiple(this->avs->fill_x, this->acs->fill_x);
01337     if (this->inf->fill_x > 0 && (this->fill_x == 0 || this->fill_x > this->inf->fill_x)) this->fill_x = this->inf->fill_x;
01338 
01339     this->fill_y = this->avs->fill_y;
01340     if (this->acs->fill_y > 0 && (this->fill_y == 0 || this->fill_y > this->acs->fill_y)) this->fill_y = this->acs->fill_y;
01341     this->fill_y = LeastCommonMultiple(this->fill_y, this->inf->fill_y);
01342 
01343     /* Resizing. */
01344     this->resize_x = LeastCommonMultiple(this->avs->resize_x, this->acs->resize_x);
01345     if (this->inf->resize_x > 0 && (this->resize_x == 0 || this->resize_x > this->inf->resize_x)) this->resize_x = this->inf->resize_x;
01346 
01347     this->resize_y = this->avs->resize_y;
01348     if (this->acs->resize_y > 0 && (this->resize_y == 0 || this->resize_y > this->acs->resize_y)) this->resize_y = this->acs->resize_y;
01349     this->resize_y = LeastCommonMultiple(this->resize_y, this->inf->resize_y);
01350 
01351     /* Make sure the height suits the 3 column (resp. not-editable) format; the 2 column format can easily fill space between the lists */
01352     this->smallest_y = ComputeMaxSize(min_acs_height, this->smallest_y + this->resize_y - 1, this->resize_y);
01353   }
01354 
01355   virtual void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
01356   {
01357     this->StoreSizePosition(sizing, x, y, given_width, given_height);
01358 
01359     uint min_avs_width = this->avs->smallest_x + this->avs->padding_left + this->avs->padding_right;
01360     uint min_acs_width = this->acs->smallest_x + this->acs->padding_left + this->acs->padding_right;
01361     uint min_inf_width = this->inf->smallest_x + this->inf->padding_left + this->inf->padding_right;
01362 
01363     uint min_list_width = max(min_avs_width, min_acs_width); // Smallest width of the lists such that they have equal width (incl padding).
01364     uint avs_extra_width = min_list_width - min_avs_width;   // Additional width needed for avs to reach min_list_width.
01365     uint acs_extra_width = min_list_width - min_acs_width;   // Additional width needed for acs to reach min_list_width.
01366 
01367     /* Use 2 or 3 colmuns? */
01368     uint min_three_columns = min_avs_width + min_acs_width + min_inf_width + 2 * INTER_COLUMN_SPACING;
01369     uint min_two_columns   = min_list_width + min_inf_width + INTER_COLUMN_SPACING;
01370     bool use_three_columns = this->editable && (min_three_columns + MIN_EXTRA_FOR_3_COLUMNS <= given_width);
01371 
01372     /* Info panel is a seperate column in both modes. Compute its width first. */
01373     uint extra_width, inf_width;
01374     if (use_three_columns) {
01375       extra_width = given_width - min_three_columns;
01376       inf_width = min(MAX_EXTRA_INFO_WIDTH, extra_width / 2);
01377     } else {
01378       extra_width = given_width - min_two_columns;
01379       inf_width = min(MAX_EXTRA_INFO_WIDTH, extra_width / 2);
01380     }
01381     inf_width = ComputeMaxSize(this->inf->smallest_x, this->inf->smallest_x + inf_width, this->inf->GetHorizontalStepSize(sizing));
01382     extra_width -= inf_width - this->inf->smallest_x;
01383 
01384     uint inf_height = ComputeMaxSize(this->inf->smallest_y, given_height, this->inf->GetVerticalStepSize(sizing));
01385 
01386     if (use_three_columns) {
01387       /* Three column display, first make both lists equally wide, then divide whatever is left between both lists.
01388        * Only keep track of what avs gets, all other space goes to acs. */
01389       uint avs_width = min(avs_extra_width, extra_width);
01390       extra_width -= avs_width;
01391       extra_width -= min(acs_extra_width, extra_width);
01392       avs_width += extra_width / 2;
01393 
01394       avs_width = ComputeMaxSize(this->avs->smallest_x, this->avs->smallest_x + avs_width, this->avs->GetHorizontalStepSize(sizing));
01395 
01396       uint acs_width = given_width - // Remaining space, including horizontal padding.
01397           inf_width - this->inf->padding_left - this->inf->padding_right -
01398           avs_width - this->avs->padding_left - this->avs->padding_right - 2 * INTER_COLUMN_SPACING;
01399       acs_width = ComputeMaxSize(min_acs_width, acs_width, this->acs->GetHorizontalStepSize(sizing)) -
01400           this->acs->padding_left - this->acs->padding_right;
01401 
01402       /* Never use fill_y on these; the minimal size is choosen, so that the 3 column view looks nice */
01403       uint avs_height = ComputeMaxSize(this->avs->smallest_y, given_height, this->avs->resize_y);
01404       uint acs_height = ComputeMaxSize(this->acs->smallest_y, given_height, this->acs->resize_y);
01405 
01406       /* Assign size and position to the childs. */
01407       if (rtl) {
01408         x += this->inf->padding_left;
01409         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01410         x += inf_width + this->inf->padding_right + INTER_COLUMN_SPACING;
01411       } else {
01412         x += this->avs->padding_left;
01413         this->avs->AssignSizePosition(sizing, x, y + this->avs->padding_top, avs_width, avs_height, rtl);
01414         x += avs_width + this->avs->padding_right + INTER_COLUMN_SPACING;
01415       }
01416 
01417       x += this->acs->padding_left;
01418       this->acs->AssignSizePosition(sizing, x, y + this->acs->padding_top, acs_width, acs_height, rtl);
01419       x += acs_width + this->acs->padding_right + INTER_COLUMN_SPACING;
01420 
01421       if (rtl) {
01422         x += this->avs->padding_left;
01423         this->avs->AssignSizePosition(sizing, x, y + this->avs->padding_top, avs_width, avs_height, rtl);
01424       } else {
01425         x += this->inf->padding_left;
01426         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01427       }
01428     } else {
01429       /* Two columns, all space in extra_width goes to both lists. Since the lists are underneath each other,
01430        * the column is min_list_width wide at least. */
01431       uint avs_width = ComputeMaxSize(this->avs->smallest_x, this->avs->smallest_x + avs_extra_width + extra_width,
01432           this->avs->GetHorizontalStepSize(sizing));
01433       uint acs_width = ComputeMaxSize(this->acs->smallest_x, this->acs->smallest_x + acs_extra_width + extra_width,
01434           this->acs->GetHorizontalStepSize(sizing));
01435 
01436       uint min_avs_height = (!this->editable) ? 0 : this->avs->smallest_y + this->avs->padding_top + this->avs->padding_bottom + INTER_LIST_SPACING;
01437       uint min_acs_height = this->acs->smallest_y + this->acs->padding_top + this->acs->padding_bottom;
01438       uint extra_height = given_height - min_acs_height - min_avs_height;
01439 
01440       /* Never use fill_y on these; instead use the INTER_LIST_SPACING as filler */
01441       uint avs_height = ComputeMaxSize(this->avs->smallest_y, this->avs->smallest_y + extra_height / 2, this->avs->resize_y);
01442       if (this->editable) extra_height -= avs_height - this->avs->smallest_y;
01443       uint acs_height = ComputeMaxSize(this->acs->smallest_y, this->acs->smallest_y + extra_height, this->acs->resize_y);
01444 
01445       /* Assign size and position to the childs. */
01446       if (rtl) {
01447         x += this->inf->padding_left;
01448         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01449         x += inf_width + this->inf->padding_right + INTER_COLUMN_SPACING;
01450 
01451         this->acs->AssignSizePosition(sizing, x + this->acs->padding_left, y + this->acs->padding_top, acs_width, acs_height, rtl);
01452         if (this->editable) {
01453           this->avs->AssignSizePosition(sizing, x + this->avs->padding_left, y + given_height - avs_height - this->avs->padding_bottom, avs_width, avs_height, rtl);
01454         } else {
01455           this->avs->AssignSizePosition(sizing, 0, 0, this->avs->smallest_x, this->avs->smallest_y, rtl);
01456         }
01457       } else {
01458         this->acs->AssignSizePosition(sizing, x + this->acs->padding_left, y + this->acs->padding_top, acs_width, acs_height, rtl);
01459         if (this->editable) {
01460           this->avs->AssignSizePosition(sizing, x + this->avs->padding_left, y + given_height - avs_height - this->avs->padding_bottom, avs_width, avs_height, rtl);
01461         } else {
01462           this->avs->AssignSizePosition(sizing, 0, 0, this->avs->smallest_x, this->avs->smallest_y, rtl);
01463         }
01464         uint dx = this->acs->current_x + this->acs->padding_left + this->acs->padding_right;
01465         if (this->editable) {
01466           dx = max(dx, this->avs->current_x + this->avs->padding_left + this->avs->padding_right);
01467         }
01468         x += dx + INTER_COLUMN_SPACING + this->inf->padding_left;
01469         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01470       }
01471     }
01472   }
01473 
01474   virtual NWidgetCore *GetWidgetFromPos(int x, int y)
01475   {
01476     if (!IsInsideBS(x, this->pos_x, this->current_x) || !IsInsideBS(y, this->pos_y, this->current_y)) return NULL;
01477 
01478     NWidgetCore *nw = (this->editable) ? this->avs->GetWidgetFromPos(x, y) : NULL;
01479     if (nw == NULL) nw = this->acs->GetWidgetFromPos(x, y);
01480     if (nw == NULL) nw = this->inf->GetWidgetFromPos(x, y);
01481     return nw;
01482   }
01483 
01484   virtual void Draw(const Window *w)
01485   {
01486     if (this->editable) this->avs->Draw(w);
01487     this->acs->Draw(w);
01488     this->inf->Draw(w);
01489   }
01490 };
01491 
01492 const uint NWidgetNewGRFDisplay::INTER_LIST_SPACING      = WD_RESIZEBOX_WIDTH + 1;
01493 const uint NWidgetNewGRFDisplay::INTER_COLUMN_SPACING    = WD_RESIZEBOX_WIDTH;
01494 const uint NWidgetNewGRFDisplay::MAX_EXTRA_INFO_WIDTH    = 150;
01495 const uint NWidgetNewGRFDisplay::MIN_EXTRA_FOR_3_COLUMNS = 50;
01496 
01497 static const NWidgetPart _nested_newgrf_actives_widgets[] = {
01498   /* Left side, presets. */
01499   NWidget(NWID_HORIZONTAL),
01500     NWidget(WWT_TEXT, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_SELECT_PRESET, STR_NULL),
01501         SetPadding(0, WD_FRAMETEXT_RIGHT, 0, 0),
01502     NWidget(WWT_DROPDOWN, COLOUR_YELLOW, SNGRFS_PRESET_LIST), SetFill(1, 0), SetResize(1, 0),
01503         SetDataTip(STR_JUST_STRING, STR_NEWGRF_SETTINGS_PRESET_LIST_TOOLTIP),
01504   EndContainer(),
01505   NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01506     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_PRESET_SAVE), SetFill(1, 0), SetResize(1, 0),
01507         SetDataTip(STR_NEWGRF_SETTINGS_PRESET_SAVE, STR_NEWGRF_SETTINGS_PRESET_SAVE_TOOLTIP),
01508     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_PRESET_DELETE), SetFill(1, 0), SetResize(1, 0),
01509         SetDataTip(STR_NEWGRF_SETTINGS_PRESET_DELETE, STR_NEWGRF_SETTINGS_PRESET_DELETE_TOOLTIP),
01510   EndContainer(),
01511 
01512   NWidget(NWID_SPACER), SetMinimalSize(0, WD_RESIZEBOX_WIDTH), SetResize(1, 0), SetFill(1, 0),
01513   NWidget(WWT_PANEL, COLOUR_MAUVE),
01514     NWidget(WWT_LABEL, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_ACTIVE_LIST, STR_NULL),
01515         SetFill(1, 0), SetResize(1, 0), SetPadding(3, WD_FRAMETEXT_RIGHT, 0, WD_FRAMETEXT_LEFT),
01516     /* Left side, active grfs. */
01517     NWidget(NWID_HORIZONTAL), SetPadding(0, 2, 0, 2),
01518       NWidget(WWT_PANEL, COLOUR_MAUVE),
01519         NWidget(WWT_INSET, COLOUR_MAUVE, SNGRFS_FILE_LIST), SetMinimalSize(100, 1), SetPadding(2, 2, 2, 2),
01520             SetFill(1, 1), SetResize(1, 1), SetScrollbar(SNGRFS_SCROLLBAR),
01521         EndContainer(),
01522       EndContainer(),
01523       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, SNGRFS_SCROLLBAR),
01524     EndContainer(),
01525     /* Buttons. */
01526     NWidget(NWID_SELECTION, INVALID_COLOUR, SNGRFS_SHOW_REMOVE),
01527       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01528         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_REMOVE), SetFill(1, 0), SetResize(1, 0),
01529             SetDataTip(STR_NEWGRF_SETTINGS_REMOVE, STR_NEWGRF_SETTINGS_REMOVE_TOOLTIP),
01530         NWidget(NWID_VERTICAL),
01531           NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_MOVE_UP), SetFill(1, 0), SetResize(1, 0),
01532               SetDataTip(STR_NEWGRF_SETTINGS_MOVEUP, STR_NEWGRF_SETTINGS_MOVEUP_TOOLTIP),
01533           NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_MOVE_DOWN), SetFill(1, 0), SetResize(1, 0),
01534               SetDataTip(STR_NEWGRF_SETTINGS_MOVEDOWN, STR_NEWGRF_SETTINGS_MOVEDOWN_TOOLTIP),
01535         EndContainer(),
01536       EndContainer(),
01537 
01538       NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2),
01539         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_RESCAN_FILES2), SetFill(1, 0), SetResize(1, 0),
01540             SetDataTip(STR_NEWGRF_SETTINGS_RESCAN_FILES, STR_NEWGRF_SETTINGS_RESCAN_FILES_TOOLTIP),
01541         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_CONTENT_DOWNLOAD2), SetFill(1, 0), SetResize(1, 0),
01542             SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),
01543       EndContainer(),
01544     EndContainer(),
01545   EndContainer(),
01546 };
01547 
01548 static const NWidgetPart _nested_newgrf_availables_widgets[] = {
01549   NWidget(WWT_PANEL, COLOUR_MAUVE),
01550     NWidget(WWT_LABEL, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_INACTIVE_LIST, STR_NULL),
01551         SetFill(1, 0), SetResize(1, 0), SetPadding(3, WD_FRAMETEXT_RIGHT, 0, WD_FRAMETEXT_LEFT),
01552     /* Left side, available grfs, filter edit box. */
01553     NWidget(NWID_HORIZONTAL), SetPadding(WD_TEXTPANEL_TOP, 0, WD_TEXTPANEL_BOTTOM, 0),
01554         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
01555       NWidget(WWT_TEXT, COLOUR_MAUVE), SetFill(0, 1), SetDataTip(STR_NEWGRF_FILTER_TITLE, STR_NULL),
01556       NWidget(WWT_EDITBOX, COLOUR_MAUVE, SNGRFS_FILTER), SetFill(1, 0), SetMinimalSize(50, 12), SetResize(1, 0),
01557           SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
01558     EndContainer(),
01559     /* Left side, available grfs. */
01560     NWidget(NWID_HORIZONTAL), SetPadding(0, 2, 0, 2),
01561       NWidget(WWT_PANEL, COLOUR_MAUVE),
01562         NWidget(WWT_INSET, COLOUR_MAUVE, SNGRFS_AVAIL_LIST), SetMinimalSize(100, 1), SetPadding(2, 2, 2, 2),
01563             SetFill(1, 1), SetResize(1, 1), SetScrollbar(SNGRFS_SCROLL2BAR),
01564         EndContainer(),
01565       EndContainer(),
01566       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, SNGRFS_SCROLL2BAR),
01567     EndContainer(),
01568     /* Left side, available grfs, buttons. */
01569     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01570       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_ADD), SetFill(1, 0), SetResize(1, 0),
01571           SetDataTip(STR_NEWGRF_SETTINGS_ADD, STR_NEWGRF_SETTINGS_ADD_FILE_TOOLTIP),
01572       NWidget(NWID_VERTICAL),
01573         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_RESCAN_FILES), SetFill(1, 0), SetResize(1, 0),
01574             SetDataTip(STR_NEWGRF_SETTINGS_RESCAN_FILES, STR_NEWGRF_SETTINGS_RESCAN_FILES_TOOLTIP),
01575         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_CONTENT_DOWNLOAD), SetFill(1, 0), SetResize(1, 0),
01576             SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),
01577       EndContainer(),
01578     EndContainer(),
01579   EndContainer(),
01580 };
01581 
01582 static const NWidgetPart _nested_newgrf_infopanel_widgets[] = {
01583   /* Right side, info panel. */
01584   NWidget(WWT_PANEL, COLOUR_MAUVE), SetPadding(0, 0, 2, 0),
01585     NWidget(WWT_EMPTY, COLOUR_MAUVE, SNGRFS_NEWGRF_INFO_TITLE), SetFill(1, 0), SetResize(1, 0),
01586     NWidget(WWT_EMPTY, COLOUR_MAUVE, SNGRFS_NEWGRF_INFO), SetFill(1, 1), SetResize(1, 1), SetMinimalSize(150, 100),
01587   EndContainer(),
01588   NWidget(NWID_SELECTION, INVALID_COLOUR, SNGRFS_SHOW_APPLY),
01589     /* Right side, buttons. */
01590     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01591       NWidget(NWID_VERTICAL),
01592         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_SET_PARAMETERS), SetFill(1, 0), SetResize(1, 0),
01593             SetDataTip(STR_NEWGRF_SETTINGS_SET_PARAMETERS, STR_NULL),
01594         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_TOGGLE_PALETTE), SetFill(1, 0), SetResize(1, 0),
01595             SetDataTip(STR_NEWGRF_SETTINGS_TOGGLE_PALETTE, STR_NEWGRF_SETTINGS_TOGGLE_PALETTE_TOOLTIP),
01596       EndContainer(),
01597       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_APPLY_CHANGES), SetFill(1, 0), SetResize(1, 0),
01598           SetDataTip(STR_NEWGRF_SETTINGS_APPLY_CHANGES, STR_NULL),
01599     EndContainer(),
01600   EndContainer(),
01601 };
01602 
01604 NWidgetBase* NewGRFDisplay(int *biggest_index)
01605 {
01606   NWidgetBase *avs = MakeNWidgets(_nested_newgrf_availables_widgets, lengthof(_nested_newgrf_availables_widgets), biggest_index, NULL);
01607 
01608   int biggest2;
01609   NWidgetBase *acs = MakeNWidgets(_nested_newgrf_actives_widgets, lengthof(_nested_newgrf_actives_widgets), &biggest2, NULL);
01610   *biggest_index = max(*biggest_index, biggest2);
01611 
01612   NWidgetBase *inf = MakeNWidgets(_nested_newgrf_infopanel_widgets, lengthof(_nested_newgrf_infopanel_widgets), &biggest2, NULL);
01613   *biggest_index = max(*biggest_index, biggest2);
01614 
01615   return new NWidgetNewGRFDisplay(avs, acs, inf);
01616 }
01617 
01618 /* Widget definition of the manage newgrfs window */
01619 static const NWidgetPart _nested_newgrf_widgets[] = {
01620   NWidget(NWID_HORIZONTAL),
01621     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
01622     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01623   EndContainer(),
01624   NWidget(WWT_PANEL, COLOUR_MAUVE),
01625     NWidgetFunction(NewGRFDisplay), SetPadding(WD_RESIZEBOX_WIDTH, WD_RESIZEBOX_WIDTH, 2, WD_RESIZEBOX_WIDTH),
01626     /* Resize button. */
01627     NWidget(NWID_HORIZONTAL),
01628       NWidget(NWID_SPACER), SetFill(1, 0), SetResize(1, 0),
01629       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
01630     EndContainer(),
01631   EndContainer(),
01632 };
01633 
01634 /* Window definition of the manage newgrfs window */
01635 static const WindowDesc _newgrf_desc(
01636   WDP_CENTER, 300, 263,
01637   WC_GAME_OPTIONS, WC_NONE,
01638   WDF_UNCLICK_BUTTONS,
01639   _nested_newgrf_widgets, lengthof(_nested_newgrf_widgets)
01640 );
01641 
01647 static void NewGRFConfirmationCallback(Window *w, bool confirmed)
01648 {
01649   if (confirmed) {
01650     DeleteWindowByClass(WC_GRF_PARAMETERS);
01651     NewGRFWindow *nw = dynamic_cast<NewGRFWindow*>(w);
01652 
01653     GamelogStartAction(GLAT_GRF);
01654     GamelogGRFUpdate(_grfconfig, nw->actives); // log GRF changes
01655     CopyGRFConfigList(nw->orig_list, nw->actives, false);
01656     ReloadNewGRFData();
01657     GamelogStopAction();
01658 
01659     /* Show new, updated list */
01660     GRFConfig *c;
01661     int i = 0;
01662     for (c = nw->actives; c != NULL && c != nw->active_sel; c = c->next, i++) {}
01663     CopyGRFConfigList(&nw->actives, *nw->orig_list, false);
01664     for (c = nw->actives; c != NULL && i > 0; c = c->next, i--) {}
01665     nw->active_sel = c;
01666     nw->avails.ForceRebuild();
01667 
01668     w->InvalidateData();
01669 
01670     ReInitAllWindows();
01671     DeleteWindowByClass(WC_BUILD_OBJECT);
01672   }
01673 }
01674 
01675 
01676 
01685 void ShowNewGRFSettings(bool editable, bool show_params, bool exec_changes, GRFConfig **config)
01686 {
01687   DeleteWindowByClass(WC_GAME_OPTIONS);
01688   new NewGRFWindow(&_newgrf_desc, editable, show_params, exec_changes, config);
01689 }