newgrf_gui.cpp

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00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include "stdafx.h"
00013 #include "error.h"
00014 #include "gui.h"
00015 #include "newgrf.h"
00016 #include "strings_func.h"
00017 #include "window_func.h"
00018 #include "gamelog.h"
00019 #include "settings_type.h"
00020 #include "settings_func.h"
00021 #include "widgets/dropdown_type.h"
00022 #include "network/network.h"
00023 #include "network/network_content.h"
00024 #include "sortlist_type.h"
00025 #include "querystring_gui.h"
00026 #include "core/geometry_func.hpp"
00027 #include "newgrf_text.h"
00028 #include "fileio_func.h"
00029 #include "fontcache.h"
00030 
00031 #include "widgets/newgrf_widget.h"
00032 
00033 #include "table/sprites.h"
00034 
00038 void ShowNewGRFError()
00039 {
00040   /* Do not show errors when entering the main screen */
00041   if (_game_mode == GM_MENU) return;
00042 
00043   for (const GRFConfig *c = _grfconfig; c != NULL; c = c->next) {
00044     /* We only want to show fatal errors */
00045     if (c->error == NULL || c->error->severity != STR_NEWGRF_ERROR_MSG_FATAL) continue;
00046 
00047     SetDParam   (0, c->error->custom_message == NULL ? c->error->message : STR_JUST_RAW_STRING);
00048     SetDParamStr(1, c->error->custom_message);
00049     SetDParam   (2, STR_JUST_RAW_STRING);
00050     SetDParamStr(3, c->filename);
00051     SetDParam   (4, STR_JUST_RAW_STRING);
00052     SetDParamStr(5, c->error->data);
00053     for (uint i = 0; i < c->error->num_params; i++) {
00054       SetDParam(6 + i, c->error->param_value[i]);
00055     }
00056     ShowErrorMessage(STR_NEWGRF_ERROR_FATAL_POPUP, INVALID_STRING_ID, WL_CRITICAL);
00057     break;
00058   }
00059 }
00060 
00061 static void ShowNewGRFInfo(const GRFConfig *c, uint x, uint y, uint right, uint bottom, bool show_params)
00062 {
00063   if (c->error != NULL) {
00064     char message[512];
00065     SetDParamStr(0, c->error->custom_message); // is skipped by built-in messages
00066     SetDParam   (1, STR_JUST_RAW_STRING);
00067     SetDParamStr(2, c->filename);
00068     SetDParam   (3, STR_JUST_RAW_STRING);
00069     SetDParamStr(4, c->error->data);
00070     for (uint i = 0; i < c->error->num_params; i++) {
00071       SetDParam(5 + i, c->error->param_value[i]);
00072     }
00073     GetString(message, c->error->custom_message == NULL ? c->error->message : STR_JUST_RAW_STRING, lastof(message));
00074 
00075     SetDParamStr(0, message);
00076     y = DrawStringMultiLine(x, right, y, bottom, c->error->severity);
00077   }
00078 
00079   /* Draw filename or not if it is not known (GRF sent over internet) */
00080   if (c->filename != NULL) {
00081     SetDParamStr(0, c->filename);
00082     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_FILENAME);
00083   }
00084 
00085   /* Prepare and draw GRF ID */
00086   char buff[256];
00087   snprintf(buff, lengthof(buff), "%08X", BSWAP32(c->ident.grfid));
00088   SetDParamStr(0, buff);
00089   y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_GRF_ID);
00090 
00091   if ((_settings_client.gui.newgrf_developer_tools || _settings_client.gui.newgrf_show_old_versions) && c->version != 0) {
00092     SetDParam(0, c->version);
00093     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_VERSION);
00094   }
00095   if ((_settings_client.gui.newgrf_developer_tools || _settings_client.gui.newgrf_show_old_versions) && c->min_loadable_version != 0) {
00096     SetDParam(0, c->min_loadable_version);
00097     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_MIN_VERSION);
00098   }
00099 
00100   /* Prepare and draw MD5 sum */
00101   md5sumToString(buff, lastof(buff), c->ident.md5sum);
00102   SetDParamStr(0, buff);
00103   y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_MD5SUM);
00104 
00105   /* Show GRF parameter list */
00106   if (show_params) {
00107     if (c->num_params > 0) {
00108       GRFBuildParamList(buff, c, lastof(buff));
00109       SetDParam(0, STR_JUST_RAW_STRING);
00110       SetDParamStr(1, buff);
00111     } else {
00112       SetDParam(0, STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY_NONE);
00113     }
00114     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_PARAMETER);
00115 
00116     /* Draw the palette of the NewGRF */
00117     if (c->palette & GRFP_BLT_32BPP) {
00118       SetDParamStr(0, (c->palette & GRFP_USE_WINDOWS) ? "Windows / 32 bpp" : "DOS / 32 bpp");
00119     } else {
00120       SetDParamStr(0, (c->palette & GRFP_USE_WINDOWS) ? "Windows" : "DOS");
00121     }
00122     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_PALETTE);
00123   }
00124 
00125   /* Show flags */
00126   if (c->status == GCS_NOT_FOUND)       y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_NOT_FOUND);
00127   if (c->status == GCS_DISABLED)        y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_DISABLED);
00128   if (HasBit(c->flags, GCF_INVALID))    y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_INCOMPATIBLE);
00129   if (HasBit(c->flags, GCF_COMPATIBLE)) y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_COMPATIBLE_LOADED);
00130 
00131   /* Draw GRF info if it exists */
00132   if (!StrEmpty(c->GetDescription())) {
00133     SetDParam(0, STR_JUST_RAW_STRING);
00134     SetDParamStr(1, c->GetDescription());
00135     y = DrawStringMultiLine(x, right, y, bottom, STR_BLACK_STRING);
00136   } else {
00137     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_NO_INFO);
00138   }
00139 }
00140 
00144 struct NewGRFParametersWindow : public Window {
00145   static GRFParameterInfo dummy_parameter_info; 
00146   GRFConfig *grf_config; 
00147   uint clicked_button;   
00148   bool clicked_increase; 
00149   int timeout;           
00150   uint clicked_row;      
00151   int line_height;       
00152   Scrollbar *vscroll;
00153   bool action14present;  
00154 
00155   NewGRFParametersWindow(const WindowDesc *desc, GRFConfig *c) : Window(),
00156     grf_config(c),
00157     clicked_button(UINT_MAX),
00158     timeout(0),
00159     clicked_row(UINT_MAX)
00160   {
00161     this->action14present = (c->num_valid_params != lengthof(c->param) || c->param_info.Length() != 0);
00162 
00163     this->CreateNestedTree(desc);
00164     this->vscroll = this->GetScrollbar(WID_NP_SCROLLBAR);
00165     this->GetWidget<NWidgetStacked>(WID_NP_SHOW_NUMPAR)->SetDisplayedPlane(this->action14present ? SZSP_HORIZONTAL : 0);
00166     this->GetWidget<NWidgetStacked>(WID_NP_SHOW_DESCRIPTION)->SetDisplayedPlane(this->action14present ? 0 : SZSP_HORIZONTAL);
00167     this->FinishInitNested(desc);  // Initializes 'this->line_height' as side effect.
00168 
00169     this->InvalidateData();
00170   }
00171 
00177   static GRFParameterInfo *GetDummyParameterInfo(uint nr)
00178   {
00179     dummy_parameter_info.param_nr = nr;
00180     return &dummy_parameter_info;
00181   }
00182 
00183   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00184   {
00185     switch (widget) {
00186       case WID_NP_NUMPAR_DEC:
00187       case WID_NP_NUMPAR_INC: {
00188         size->width = size->height = FONT_HEIGHT_NORMAL;
00189         break;
00190       }
00191 
00192       case WID_NP_NUMPAR: {
00193         SetDParam(0, 999);
00194         Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
00195         d.width += padding.width;
00196         d.height += padding.height;
00197         *size = maxdim(*size, d);
00198         break;
00199       }
00200 
00201       case WID_NP_BACKGROUND:
00202         this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
00203 
00204         resize->width = 1;
00205         resize->height = this->line_height;
00206         size->height = GB(this->GetWidget<NWidgetCore>(widget)->widget_data, MAT_ROW_START, MAT_ROW_BITS) * this->line_height;
00207         break;
00208 
00209       case WID_NP_DESCRIPTION:
00210         size->height = max<uint>(size->height, FONT_HEIGHT_NORMAL * 4 + WD_TEXTPANEL_TOP + WD_TEXTPANEL_BOTTOM);
00211         break;
00212     }
00213   }
00214 
00215   virtual void SetStringParameters(int widget) const
00216   {
00217     switch (widget) {
00218       case WID_NP_NUMPAR:
00219         SetDParam(0, this->vscroll->GetCount());
00220         break;
00221     }
00222   }
00223 
00224   virtual void DrawWidget(const Rect &r, int widget) const
00225   {
00226     if (widget == WID_NP_DESCRIPTION) {
00227       const GRFParameterInfo *par_info = (this->clicked_row < this->grf_config->param_info.Length()) ? this->grf_config->param_info[this->clicked_row] : NULL;
00228       if (par_info == NULL) return;
00229       const char *desc = GetGRFStringFromGRFText(par_info->desc);
00230       if (desc == NULL) return;
00231       DrawStringMultiLine(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_TEXTPANEL_TOP, r.bottom - WD_TEXTPANEL_BOTTOM, desc, TC_BLACK);
00232       return;
00233     } else if (widget != WID_NP_BACKGROUND) {
00234       return;
00235     }
00236 
00237     bool rtl = _current_text_dir == TD_RTL;
00238     uint buttons_left = rtl ? r.right - 23 : r.left + 4;
00239     uint text_left    = r.left + (rtl ? WD_FRAMERECT_LEFT : 28);
00240     uint text_right   = r.right - (rtl ? 28 : WD_FRAMERECT_RIGHT);
00241 
00242     int y = r.top;
00243     for (uint i = this->vscroll->GetPosition(); this->vscroll->IsVisible(i) && i < this->vscroll->GetCount(); i++) {
00244       GRFParameterInfo *par_info = (i < this->grf_config->param_info.Length()) ? this->grf_config->param_info[i] : NULL;
00245       if (par_info == NULL) par_info = GetDummyParameterInfo(i);
00246       uint32 current_value = par_info->GetValue(this->grf_config);
00247       bool selected = (i == this->clicked_row);
00248 
00249       if (par_info->type == PTYPE_BOOL) {
00250         DrawFrameRect(buttons_left, y  + 2, buttons_left + 19, y + 10, (current_value != 0) ? COLOUR_GREEN : COLOUR_RED, (current_value != 0) ? FR_LOWERED : FR_NONE);
00251         SetDParam(2, par_info->GetValue(this->grf_config) == 0 ? STR_CONFIG_SETTING_OFF : STR_CONFIG_SETTING_ON);
00252       } else if (par_info->type == PTYPE_UINT_ENUM) {
00253         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);
00254         SetDParam(2, STR_JUST_INT);
00255         SetDParam(3, current_value);
00256         if (par_info->value_names.Contains(current_value)) {
00257           const char *label = GetGRFStringFromGRFText(par_info->value_names.Find(current_value)->second);
00258           if (label != NULL) {
00259             SetDParam(2, STR_JUST_RAW_STRING);
00260             SetDParamStr(3, label);
00261           }
00262         }
00263       }
00264 
00265       const char *name = GetGRFStringFromGRFText(par_info->name);
00266       if (name != NULL) {
00267         SetDParam(0, STR_JUST_RAW_STRING);
00268         SetDParamStr(1, name);
00269       } else {
00270         SetDParam(0, STR_NEWGRF_PARAMETERS_DEFAULT_NAME);
00271         SetDParam(1, i + 1);
00272       }
00273 
00274       DrawString(text_left, text_right, y + WD_MATRIX_TOP, STR_NEWGRF_PARAMETERS_SETTING, selected ? TC_WHITE : TC_LIGHT_BLUE);
00275       y += this->line_height;
00276     }
00277   }
00278 
00279   virtual void OnClick(Point pt, int widget, int click_count)
00280   {
00281     switch (widget) {
00282       case WID_NP_NUMPAR_DEC:
00283         if (!this->action14present && this->grf_config->num_params > 0) {
00284           this->grf_config->num_params--;
00285           this->InvalidateData();
00286           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_NEWGRF_STATE);
00287         }
00288         break;
00289 
00290       case WID_NP_NUMPAR_INC: {
00291         GRFConfig *c = this->grf_config;
00292         if (!this->action14present && c->num_params < c->num_valid_params) {
00293           c->param[c->num_params++] = 0;
00294           this->InvalidateData();
00295           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_NEWGRF_STATE);
00296         }
00297         break;
00298       }
00299 
00300       case WID_NP_BACKGROUND: {
00301         uint num = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_NP_BACKGROUND);
00302         if (num >= this->vscroll->GetCount()) break;
00303         if (this->clicked_row != num) {
00304           DeleteChildWindows(WC_QUERY_STRING);
00305           this->clicked_row = num;
00306         }
00307 
00308         const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_NP_BACKGROUND);
00309         int x = pt.x - wid->pos_x;
00310         if (_current_text_dir == TD_RTL) x = wid->current_x - x;
00311         x -= 4;
00312 
00313         GRFParameterInfo *par_info = (num < this->grf_config->param_info.Length()) ? this->grf_config->param_info[num] : NULL;
00314         if (par_info == NULL) par_info = GetDummyParameterInfo(num);
00315 
00316         /* One of the arrows is clicked */
00317         if (IsInsideMM(x, 0, 21)) {
00318           uint32 val = par_info->GetValue(this->grf_config);
00319           uint32 old_val = val;
00320           if (par_info->type == PTYPE_BOOL) {
00321             val = !val;
00322           } else {
00323             if (x >= 10) {
00324               /* Increase button clicked */
00325               if (val < par_info->max_value) val++;
00326               this->clicked_increase = true;
00327             } else {
00328               /* Decrease button clicked */
00329               if (val > par_info->min_value) val--;
00330               this->clicked_increase = false;
00331             }
00332           }
00333           if (val != old_val) {
00334             par_info->SetValue(this->grf_config, val);
00335 
00336             this->clicked_button = num;
00337             this->timeout = 5;
00338           }
00339         } else if (par_info->type == PTYPE_UINT_ENUM && click_count >= 2) {
00340           /* Display a query box so users can enter a custom value. */
00341           SetDParam(0, this->grf_config->param[num]);
00342           ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, this, CS_NUMERAL, QSF_NONE);
00343         }
00344         this->SetDirty();
00345         break;
00346       }
00347 
00348       case WID_NP_RESET:
00349         this->grf_config->SetParameterDefaults();
00350         this->InvalidateData();
00351         SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_NEWGRF_STATE);
00352         break;
00353 
00354       case WID_NP_ACCEPT:
00355         delete this;
00356         break;
00357     }
00358   }
00359 
00360   virtual void OnQueryTextFinished(char *str)
00361   {
00362     if (StrEmpty(str)) return;
00363     int32 value = atoi(str);
00364     GRFParameterInfo *par_info = ((uint)this->clicked_row < this->grf_config->param_info.Length()) ? this->grf_config->param_info[this->clicked_row] : NULL;
00365     if (par_info == NULL) par_info = GetDummyParameterInfo(this->clicked_row);
00366     uint32 val = Clamp<uint32>(value, par_info->min_value, par_info->max_value);
00367     par_info->SetValue(this->grf_config, val);
00368     this->SetDirty();
00369   }
00370 
00371   virtual void OnResize()
00372   {
00373     NWidgetCore *nwi = this->GetWidget<NWidgetCore>(WID_NP_BACKGROUND);
00374     this->vscroll->SetCapacity(nwi->current_y / this->line_height);
00375     nwi->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
00376   }
00377 
00383   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00384   {
00385     if (!gui_scope) return;
00386     if (!this->action14present) {
00387       this->SetWidgetDisabledState(WID_NP_NUMPAR_DEC, this->grf_config->num_params == 0);
00388       this->SetWidgetDisabledState(WID_NP_NUMPAR_INC, this->grf_config->num_params >= this->grf_config->num_valid_params);
00389     }
00390 
00391     this->vscroll->SetCount(this->action14present ? this->grf_config->num_valid_params : this->grf_config->num_params);
00392     if (this->clicked_row != UINT_MAX && this->clicked_row >= this->vscroll->GetCount()) {
00393       this->clicked_row = UINT_MAX;
00394       DeleteChildWindows(WC_QUERY_STRING);
00395     }
00396   }
00397 
00398   virtual void OnTick()
00399   {
00400     if (--this->timeout == 0) {
00401       this->clicked_button = UINT_MAX;
00402       this->SetDirty();
00403     }
00404   }
00405 };
00406 GRFParameterInfo NewGRFParametersWindow::dummy_parameter_info(0);
00407 
00408 
00409 static const NWidgetPart _nested_newgrf_parameter_widgets[] = {
00410   NWidget(NWID_HORIZONTAL),
00411     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
00412     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_PARAMETERS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00413   EndContainer(),
00414   NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NP_SHOW_NUMPAR),
00415     NWidget(WWT_PANEL, COLOUR_MAUVE), SetResize(1, 0), SetFill(1, 0), SetPIP(4, 0, 4),
00416       NWidget(NWID_HORIZONTAL), SetPIP(4, 0, 4),
00417         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_NP_NUMPAR_DEC), SetMinimalSize(12, 12), SetDataTip(AWV_DECREASE, STR_NULL),
00418         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_NP_NUMPAR_INC), SetMinimalSize(12, 12), SetDataTip(AWV_INCREASE, STR_NULL),
00419         NWidget(WWT_TEXT, COLOUR_MAUVE, WID_NP_NUMPAR), SetResize(1, 0), SetFill(1, 0), SetPadding(0, 0, 0, 4), SetDataTip(STR_NEWGRF_PARAMETERS_NUM_PARAM, STR_NULL),
00420       EndContainer(),
00421     EndContainer(),
00422   EndContainer(),
00423   NWidget(NWID_HORIZONTAL),
00424     NWidget(WWT_MATRIX, COLOUR_MAUVE, WID_NP_BACKGROUND), SetMinimalSize(188, 182), SetResize(1, 1), SetFill(1, 0), SetDataTip(0x501, STR_NULL), SetScrollbar(WID_NP_SCROLLBAR),
00425     NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_NP_SCROLLBAR),
00426   EndContainer(),
00427   NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NP_SHOW_DESCRIPTION),
00428     NWidget(WWT_PANEL, COLOUR_MAUVE, WID_NP_DESCRIPTION), SetResize(1, 0), SetFill(1, 0),
00429     EndContainer(),
00430   EndContainer(),
00431   NWidget(NWID_HORIZONTAL),
00432     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
00433       NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_NP_ACCEPT), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_NEWGRF_PARAMETERS_CLOSE, STR_NULL),
00434       NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_NP_RESET), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_NEWGRF_PARAMETERS_RESET, STR_NEWGRF_PARAMETERS_RESET_TOOLTIP),
00435     EndContainer(),
00436     NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
00437   EndContainer(),
00438 };
00439 
00441 static const WindowDesc _newgrf_parameters_desc(
00442   WDP_CENTER, 500, 208,
00443   WC_GRF_PARAMETERS, WC_NONE,
00444   WDF_UNCLICK_BUTTONS,
00445   _nested_newgrf_parameter_widgets, lengthof(_nested_newgrf_parameter_widgets)
00446 );
00447 
00448 void OpenGRFParameterWindow(GRFConfig *c)
00449 {
00450   DeleteWindowByClass(WC_GRF_PARAMETERS);
00451   new NewGRFParametersWindow(&_newgrf_parameters_desc, c);
00452 }
00453 
00455 struct NewGRFTextfileWindow : public Window, MissingGlyphSearcher {
00456   const GRFConfig *grf_config;         
00457   TextfileType file_type;              
00458   int line_height;                     
00459   Scrollbar *vscroll;                  
00460   Scrollbar *hscroll;                  
00461   char *text;                          
00462   SmallVector<const char *, 64> lines; 
00463   uint max_length;                     
00464 
00465   static const int TOP_SPACING    = WD_FRAMETEXT_TOP;    
00466   static const int BOTTOM_SPACING = WD_FRAMETEXT_BOTTOM; 
00467 
00468   NewGRFTextfileWindow(const WindowDesc *desc, const GRFConfig *c, TextfileType file_type) : Window(), grf_config(c), file_type(file_type)
00469   {
00470     this->CreateNestedTree(desc);
00471     this->GetWidget<NWidgetCore>(WID_NT_CAPTION)->SetDataTip(STR_NEWGRF_README_CAPTION + file_type, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS);
00472     this->vscroll = this->GetScrollbar(WID_NT_VSCROLLBAR);
00473     this->hscroll = this->GetScrollbar(WID_NT_HSCROLLBAR);
00474     this->FinishInitNested(desc);
00475 
00476     this->LoadTextfile();
00477   }
00478 
00479   ~NewGRFTextfileWindow()
00480   {
00481     free(this->text);
00482   }
00483 
00484   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00485   {
00486     switch (widget) {
00487       case WID_NT_BACKGROUND:
00488         this->line_height = FONT_HEIGHT_MONO + 2;
00489         resize->height = this->line_height;
00490 
00491         size->height = 4 * resize->height + TOP_SPACING + BOTTOM_SPACING; // At least 4 lines are visible.
00492         size->width = max(200u, size->width); // At least 200 pixels wide.
00493         break;
00494     }
00495   }
00496 
00497   virtual void SetStringParameters(int widget) const
00498   {
00499     if (widget == WID_NT_CAPTION) SetDParamStr(0, this->grf_config->GetName());
00500   }
00501 
00502   virtual void DrawWidget(const Rect &r, int widget) const
00503   {
00504     if (widget != WID_NT_BACKGROUND) return;
00505 
00506     int width = r.right - r.left + 1 - WD_BEVEL_LEFT - WD_BEVEL_RIGHT;
00507     int height = r.bottom - r.top + 1 - WD_BEVEL_LEFT - WD_BEVEL_RIGHT;
00508 
00509     DrawPixelInfo new_dpi;
00510     if (!FillDrawPixelInfo(&new_dpi, r.left + WD_BEVEL_LEFT, r.top, width, height)) return;
00511     DrawPixelInfo *old_dpi = _cur_dpi;
00512     _cur_dpi = &new_dpi;
00513 
00514     int left, right;
00515     if (_current_text_dir == TD_RTL) {
00516       left = width + WD_BEVEL_RIGHT - WD_FRAMETEXT_RIGHT - this->hscroll->GetCount();
00517       right = width + WD_BEVEL_RIGHT - WD_FRAMETEXT_RIGHT - 1 + this->hscroll->GetPosition();
00518     } else {
00519       left = WD_FRAMETEXT_LEFT - WD_BEVEL_LEFT - this->hscroll->GetPosition();
00520       right = WD_FRAMETEXT_LEFT - WD_BEVEL_LEFT + this->hscroll->GetCount() - 1;
00521     }
00522     int top = TOP_SPACING;
00523     for (uint i = 0; i < this->vscroll->GetCapacity() && i + this->vscroll->GetPosition() < this->lines.Length(); i++) {
00524       DrawString(left, right, top + i * this->line_height, this->lines[i + this->vscroll->GetPosition()], TC_WHITE, SA_LEFT, false, FS_MONO);
00525     }
00526 
00527     _cur_dpi = old_dpi;
00528   }
00529 
00530   virtual void OnResize()
00531   {
00532     this->vscroll->SetCapacityFromWidget(this, WID_NT_BACKGROUND, TOP_SPACING + BOTTOM_SPACING);
00533     this->hscroll->SetCapacityFromWidget(this, WID_NT_BACKGROUND);
00534   }
00535 
00536 private:
00537   uint search_iterator; 
00538 
00539   /* virtual */ void Reset()
00540   {
00541     this->search_iterator = 0;
00542   }
00543 
00544   FontSize DefaultSize()
00545   {
00546     return FS_MONO;
00547   }
00548 
00549   const char *NextString()
00550   {
00551     if (this->search_iterator >= this->lines.Length()) return NULL;
00552 
00553     return this->lines[this->search_iterator++];
00554   }
00555 
00556   /* virtual */ bool Monospace()
00557   {
00558     return true;
00559   }
00560 
00561   /* virtual */ void SetFontNames(FreeTypeSettings *settings, const char *font_name)
00562   {
00563 #ifdef WITH_FREETYPE
00564     strecpy(settings->mono_font, font_name, lastof(settings->mono_font));
00565 #endif /* WITH_FREETYPE */
00566   }
00567 
00571   void LoadTextfile()
00572   {
00573     this->lines.Clear();
00574 
00575     /* Does GRF have a file of the demanded type? */
00576     const char *textfile = this->grf_config->GetTextfile(file_type);
00577     if (textfile == NULL) return;
00578 
00579     /* Get text from file */
00580     size_t filesize;
00581     FILE *handle = FioFOpenFile(textfile, "rb", NEWGRF_DIR, &filesize);
00582     if (handle == NULL) return;
00583 
00584     this->text = ReallocT(this->text, filesize + 1);
00585     size_t read = fread(this->text, 1, filesize, handle);
00586     fclose(handle);
00587 
00588     if (read != filesize) return;
00589 
00590     this->text[filesize] = '\0';
00591 
00592     /* Replace tabs and line feeds with a space since str_validate removes those. */
00593     for (char *p = this->text; *p != '\0'; p++) {
00594       if (*p == '\t' || *p == '\r') *p = ' ';
00595     }
00596 
00597     /* Check for the byte-order-mark, and skip it if needed. */
00598     char *p = this->text + (strncmp("\xEF\xBB\xBF", this->text, 3) == 0 ? 3 : 0);
00599 
00600     /* Make sure the string is a valid UTF-8 sequence. */
00601     str_validate(p, this->text + filesize, SVS_REPLACE_WITH_QUESTION_MARK | SVS_ALLOW_NEWLINE);
00602 
00603     /* Split the string on newlines. */
00604     *this->lines.Append() = p;
00605     for (; *p != '\0'; p++) {
00606       if (*p == '\n') {
00607         *p = '\0';
00608         *this->lines.Append() = p + 1;
00609       }
00610     }
00611 
00612     CheckForMissingGlyphs(true, this);
00613 
00614     /* Initialize scrollbars */
00615     this->vscroll->SetCount(this->lines.Length());
00616 
00617     this->max_length = 0;
00618     for (uint i = 0; i < this->lines.Length(); i++) {
00619       this->max_length = max(this->max_length, GetStringBoundingBox(this->lines[i], FS_MONO).width);
00620     }
00621     this->hscroll->SetCount(this->max_length + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT);
00622     this->hscroll->SetStepSize(10); // Speed up horizontal scrollbar
00623   }
00624 };
00625 
00626 static const NWidgetPart _nested_newgrf_textfile_widgets[] = {
00627   NWidget(NWID_HORIZONTAL),
00628     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
00629     NWidget(WWT_CAPTION, COLOUR_MAUVE, WID_NT_CAPTION), SetDataTip(STR_NULL, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00630   EndContainer(),
00631   NWidget(NWID_HORIZONTAL),
00632     NWidget(WWT_PANEL, COLOUR_MAUVE, WID_NT_BACKGROUND), SetMinimalSize(200, 125), SetResize(1, 12), SetScrollbar(WID_NT_VSCROLLBAR),
00633     EndContainer(),
00634     NWidget(NWID_VERTICAL),
00635       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_NT_VSCROLLBAR),
00636     EndContainer(),
00637   EndContainer(),
00638   NWidget(NWID_HORIZONTAL),
00639     NWidget(NWID_HSCROLLBAR, COLOUR_MAUVE, WID_NT_HSCROLLBAR),
00640     NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
00641   EndContainer(),
00642 };
00643 
00645 static const WindowDesc _newgrf_textfile_desc(
00646   WDP_CENTER, 630, 460,
00647   WC_NEWGRF_TEXTFILE, WC_NONE,
00648   WDF_UNCLICK_BUTTONS,
00649   _nested_newgrf_textfile_widgets, lengthof(_nested_newgrf_textfile_widgets)
00650 );
00651 
00652 void ShowNewGRFTextfileWindow(const GRFConfig *c, TextfileType file_type)
00653 {
00654   DeleteWindowByClass(WC_NEWGRF_TEXTFILE);
00655   new NewGRFTextfileWindow(&_newgrf_textfile_desc, c, file_type);
00656 }
00657 
00658 static GRFPresetList _grf_preset_list;
00659 
00660 class DropDownListPresetItem : public DropDownListItem {
00661 public:
00662   DropDownListPresetItem(int result) : DropDownListItem(result, false) {}
00663 
00664   virtual ~DropDownListPresetItem() {}
00665 
00666   bool Selectable() const
00667   {
00668     return true;
00669   }
00670 
00671   void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const
00672   {
00673     DrawString(left + 2, right + 2, top, _grf_preset_list[this->result], sel ? TC_WHITE : TC_BLACK);
00674   }
00675 };
00676 
00677 static void NewGRFConfirmationCallback(Window *w, bool confirmed);
00678 
00682 struct NewGRFWindow : public QueryStringBaseWindow, NewGRFScanCallback {
00683   typedef GUIList<const GRFConfig *> GUIGRFConfigList;
00684 
00685   static const uint EDITBOX_MAX_SIZE   =  50;
00686 
00687   static Listing   last_sorting;   
00688   static Filtering last_filtering; 
00689   static GUIGRFConfigList::SortFunction   * const sorter_funcs[]; 
00690   static GUIGRFConfigList::FilterFunction * const filter_funcs[]; 
00691 
00692   GUIGRFConfigList avails;    
00693   const GRFConfig *avail_sel; 
00694   int avail_pos;              
00695 
00696   GRFConfig *actives;         
00697   GRFConfig *active_sel;      
00698 
00699   GRFConfig **orig_list;      
00700   bool editable;              
00701   bool show_params;           
00702   bool execute;               
00703   int preset;                 
00704 
00705   Scrollbar *vscroll;
00706   Scrollbar *vscroll2;
00707 
00708   NewGRFWindow(const WindowDesc *desc, bool editable, bool show_params, bool execute, GRFConfig **orig_list) : QueryStringBaseWindow(EDITBOX_MAX_SIZE)
00709   {
00710     this->avail_sel   = NULL;
00711     this->avail_pos   = -1;
00712     this->active_sel  = NULL;
00713     this->actives     = NULL;
00714     this->orig_list   = orig_list;
00715     this->editable    = editable;
00716     this->execute     = execute;
00717     this->show_params = show_params;
00718     this->preset      = -1;
00719 
00720     CopyGRFConfigList(&this->actives, *orig_list, false);
00721     GetGRFPresetList(&_grf_preset_list);
00722 
00723     this->CreateNestedTree(desc);
00724     this->vscroll = this->GetScrollbar(WID_NS_SCROLLBAR);
00725     this->vscroll2 = this->GetScrollbar(WID_NS_SCROLL2BAR);
00726 
00727     this->GetWidget<NWidgetStacked>(WID_NS_SHOW_REMOVE)->SetDisplayedPlane(this->editable ? 0 : 1);
00728     this->GetWidget<NWidgetStacked>(WID_NS_SHOW_APPLY)->SetDisplayedPlane(this->editable ? 0 : SZSP_HORIZONTAL);
00729     this->FinishInitNested(desc, WN_GAME_OPTIONS_NEWGRF_STATE);
00730 
00731     InitializeTextBuffer(&this->text, this->edit_str_buf, this->edit_str_size);
00732     this->SetFocusedWidget(WID_NS_FILTER);
00733 
00734     this->avails.SetListing(this->last_sorting);
00735     this->avails.SetFiltering(this->last_filtering);
00736     this->avails.SetSortFuncs(this->sorter_funcs);
00737     this->avails.SetFilterFuncs(this->filter_funcs);
00738     this->avails.ForceRebuild();
00739 
00740     this->OnInvalidateData(GOID_NEWGRF_LIST_EDITED);
00741   }
00742 
00743   ~NewGRFWindow()
00744   {
00745     DeleteWindowByClass(WC_GRF_PARAMETERS);
00746     DeleteWindowByClass(WC_NEWGRF_TEXTFILE);
00747 
00748     if (this->editable && !this->execute) {
00749       CopyGRFConfigList(this->orig_list, this->actives, true);
00750       ResetGRFConfig(false);
00751       ReloadNewGRFData();
00752     }
00753 
00754     /* Remove the temporary copy of grf-list used in window */
00755     ClearGRFConfigList(&this->actives);
00756     _grf_preset_list.Clear();
00757   }
00758 
00759   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00760   {
00761     switch (widget) {
00762       case WID_NS_FILE_LIST:
00763       {
00764         Dimension d = maxdim(GetSpriteSize(SPR_SQUARE), GetSpriteSize(SPR_WARNING_SIGN));
00765         resize->height = max(d.height + 2U, FONT_HEIGHT_NORMAL + 2U);
00766         size->height = max(size->height, WD_FRAMERECT_TOP + 6 * resize->height + WD_FRAMERECT_BOTTOM);
00767         break;
00768       }
00769 
00770       case WID_NS_AVAIL_LIST:
00771         resize->height = max(12, FONT_HEIGHT_NORMAL + 2);
00772         size->height = max(size->height, WD_FRAMERECT_TOP + 8 * resize->height + WD_FRAMERECT_BOTTOM);
00773         break;
00774 
00775       case WID_NS_NEWGRF_INFO_TITLE: {
00776         Dimension dim = GetStringBoundingBox(STR_NEWGRF_SETTINGS_INFO_TITLE);
00777         size->height = max(size->height, dim.height + WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM);
00778         size->width  = max(size->width,  dim.width  + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT);
00779         break;
00780       }
00781 
00782       case WID_NS_NEWGRF_INFO:
00783         size->height = max(size->height, WD_FRAMERECT_TOP + 10 * FONT_HEIGHT_NORMAL + WD_FRAMERECT_BOTTOM + padding.height + 2);
00784         break;
00785 
00786       case WID_NS_PRESET_LIST: {
00787         Dimension d = GetStringBoundingBox(STR_NUM_CUSTOM);
00788         for (uint i = 0; i < _grf_preset_list.Length(); i++) {
00789           if (_grf_preset_list[i] != NULL) {
00790             SetDParamStr(0, _grf_preset_list[i]);
00791             d = maxdim(d, GetStringBoundingBox(STR_JUST_RAW_STRING));
00792           }
00793         }
00794         d.width += padding.width;
00795         *size = maxdim(d, *size);
00796         break;
00797       }
00798 
00799       case WID_NS_CONTENT_DOWNLOAD:
00800       case WID_NS_CONTENT_DOWNLOAD2: {
00801         Dimension d = GetStringBoundingBox(STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_BUTTON);
00802         *size = maxdim(d, GetStringBoundingBox(STR_INTRO_ONLINE_CONTENT));
00803         size->width  += padding.width;
00804         size->height += padding.height;
00805         break;
00806       }
00807     }
00808   }
00809 
00810   virtual void OnResize()
00811   {
00812     this->vscroll->SetCapacityFromWidget(this, WID_NS_FILE_LIST);
00813     this->vscroll2->SetCapacityFromWidget(this, WID_NS_AVAIL_LIST);
00814   }
00815 
00816   virtual void SetStringParameters(int widget) const
00817   {
00818     switch (widget) {
00819       case WID_NS_PRESET_LIST:
00820         if (this->preset == -1) {
00821           SetDParam(0, STR_NUM_CUSTOM);
00822         } else {
00823           SetDParam(0, STR_JUST_RAW_STRING);
00824           SetDParamStr(1, _grf_preset_list[this->preset]);
00825         }
00826         break;
00827     }
00828   }
00829 
00830   virtual void OnPaint()
00831   {
00832     this->DrawWidgets();
00833     if (this->editable) this->DrawEditBox(WID_NS_FILTER);
00834   }
00835 
00841   inline PaletteID GetPalette(const GRFConfig *c) const
00842   {
00843     PaletteID pal;
00844 
00845     /* Pick a colour */
00846     switch (c->status) {
00847       case GCS_NOT_FOUND:
00848       case GCS_DISABLED:
00849         pal = PALETTE_TO_RED;
00850         break;
00851       case GCS_ACTIVATED:
00852         pal = PALETTE_TO_GREEN;
00853         break;
00854       default:
00855         pal = PALETTE_TO_BLUE;
00856         break;
00857     }
00858 
00859     /* Do not show a "not-failure" colour when it actually failed to load */
00860     if (pal != PALETTE_TO_RED) {
00861       if (HasBit(c->flags, GCF_STATIC)) {
00862         pal = PALETTE_TO_GREY;
00863       } else if (HasBit(c->flags, GCF_COMPATIBLE)) {
00864         pal = PALETTE_TO_ORANGE;
00865       }
00866     }
00867 
00868     return pal;
00869   }
00870 
00871   virtual void DrawWidget(const Rect &r, int widget) const
00872   {
00873     switch (widget) {
00874       case WID_NS_FILE_LIST: {
00875         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK);
00876 
00877         uint step_height = this->GetWidget<NWidgetBase>(WID_NS_FILE_LIST)->resize_y;
00878         uint y = r.top + WD_FRAMERECT_TOP;
00879         Dimension square = GetSpriteSize(SPR_SQUARE);
00880         Dimension warning = GetSpriteSize(SPR_WARNING_SIGN);
00881         int square_offset_y = (step_height - square.height) / 2;
00882         int warning_offset_y = (step_height - warning.height) / 2;
00883         int offset_y = (step_height - FONT_HEIGHT_NORMAL) / 2;
00884 
00885         bool rtl = _current_text_dir == TD_RTL;
00886         uint text_left    = rtl ? r.left + WD_FRAMERECT_LEFT : r.left + square.width + 15;
00887         uint text_right   = rtl ? r.right - square.width - 15 : r.right - WD_FRAMERECT_RIGHT;
00888         uint square_left  = rtl ? r.right - square.width - 5 : r.left + 5;
00889         uint warning_left = rtl ? r.right - square.width - warning.width - 10 : r.left + square.width + 10;
00890 
00891         int i = 0;
00892         for (const GRFConfig *c = this->actives; c != NULL; c = c->next, i++) {
00893           if (this->vscroll->IsVisible(i)) {
00894             const char *text = c->GetName();
00895             bool h = (this->active_sel == c);
00896             PaletteID pal = this->GetPalette(c);
00897 
00898             if (h) GfxFillRect(r.left + 1, y, r.right - 1, y + step_height - 1, PC_DARK_BLUE);
00899             DrawSprite(SPR_SQUARE, pal, square_left, y + square_offset_y);
00900             if (c->error != NULL) DrawSprite(SPR_WARNING_SIGN, 0, warning_left, y + warning_offset_y);
00901             uint txtoffset = c->error == NULL ? 0 : warning.width;
00902             DrawString(text_left + (rtl ? 0 : txtoffset), text_right - (rtl ? txtoffset : 0), y + offset_y, text, h ? TC_WHITE : TC_ORANGE);
00903             y += step_height;
00904           }
00905         }
00906         break;
00907       }
00908 
00909       case WID_NS_AVAIL_LIST: {
00910         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK);
00911 
00912         uint step_height = this->GetWidget<NWidgetBase>(WID_NS_AVAIL_LIST)->resize_y;
00913         int offset_y = (step_height - FONT_HEIGHT_NORMAL) / 2;
00914         uint y = r.top + WD_FRAMERECT_TOP;
00915         uint min_index = this->vscroll2->GetPosition();
00916         uint max_index = min(min_index + this->vscroll2->GetCapacity(), this->avails.Length());
00917 
00918         for (uint i = min_index; i < max_index; i++) {
00919           const GRFConfig *c = this->avails[i];
00920           bool h = (c == this->avail_sel);
00921           const char *text = c->GetName();
00922 
00923           if (h) GfxFillRect(r.left + 1, y, r.right - 1, y + step_height - 1, PC_DARK_BLUE);
00924           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y + offset_y, text, h ? TC_WHITE : TC_SILVER);
00925           y += step_height;
00926         }
00927         break;
00928       }
00929 
00930       case WID_NS_NEWGRF_INFO_TITLE:
00931         /* Create the nice grayish rectangle at the details top. */
00932         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_DARK_BLUE);
00933         DrawString(r.left, r.right, (r.top + r.bottom - FONT_HEIGHT_NORMAL) / 2, STR_NEWGRF_SETTINGS_INFO_TITLE, TC_FROMSTRING, SA_HOR_CENTER);
00934         break;
00935 
00936       case WID_NS_NEWGRF_INFO: {
00937         const GRFConfig *selected = this->active_sel;
00938         if (selected == NULL) selected = this->avail_sel;
00939         if (selected != NULL) {
00940           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);
00941         }
00942         break;
00943       }
00944     }
00945   }
00946 
00947   virtual void OnClick(Point pt, int widget, int click_count)
00948   {
00949     if (widget >= WID_NS_NEWGRF_TEXTFILE && widget < WID_NS_NEWGRF_TEXTFILE + TFT_END) {
00950       if (this->active_sel == NULL && this->avail_sel == NULL) return;
00951 
00952       ShowNewGRFTextfileWindow(this->active_sel != NULL ? this->active_sel : this->avail_sel, (TextfileType)(widget - WID_NS_NEWGRF_TEXTFILE));
00953       return;
00954     }
00955 
00956     switch (widget) {
00957       case WID_NS_PRESET_LIST: {
00958         DropDownList *list = new DropDownList();
00959 
00960         /* Add 'None' option for clearing list */
00961         list->push_back(new DropDownListStringItem(STR_NONE, -1, false));
00962 
00963         for (uint i = 0; i < _grf_preset_list.Length(); i++) {
00964           if (_grf_preset_list[i] != NULL) {
00965             list->push_back(new DropDownListPresetItem(i));
00966           }
00967         }
00968 
00969         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00970         ShowDropDownList(this, list, this->preset, WID_NS_PRESET_LIST);
00971         break;
00972       }
00973 
00974       case WID_NS_OPEN_URL: {
00975         const GRFConfig *c = (this->avail_sel == NULL) ? this->active_sel : this->avail_sel;
00976 
00977         extern void OpenBrowser(const char *url);
00978         OpenBrowser(c->GetURL());
00979         break;
00980       }
00981 
00982       case WID_NS_PRESET_SAVE:
00983         ShowQueryString(STR_EMPTY, STR_NEWGRF_SETTINGS_PRESET_SAVE_QUERY, 32, this, CS_ALPHANUMERAL, QSF_NONE);
00984         break;
00985 
00986       case WID_NS_PRESET_DELETE:
00987         if (this->preset == -1) return;
00988 
00989         DeleteGRFPresetFromConfig(_grf_preset_list[this->preset]);
00990         GetGRFPresetList(&_grf_preset_list);
00991         this->preset = -1;
00992         this->InvalidateData();
00993         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00994         break;
00995 
00996       case WID_NS_MOVE_UP: { // Move GRF up
00997         if (this->active_sel == NULL || !this->editable) break;
00998 
00999         int pos = 0;
01000         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next, pos++) {
01001           GRFConfig *c = *pc;
01002           if (c->next == this->active_sel) {
01003             c->next = this->active_sel->next;
01004             this->active_sel->next = c;
01005             *pc = this->active_sel;
01006             break;
01007           }
01008         }
01009         this->vscroll->ScrollTowards(pos);
01010         this->preset = -1;
01011         this->InvalidateData();
01012         break;
01013       }
01014 
01015       case WID_NS_MOVE_DOWN: { // Move GRF down
01016         if (this->active_sel == NULL || !this->editable) break;
01017 
01018         int pos = 1; // Start at 1 as we swap the selected newgrf with the next one
01019         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next, pos++) {
01020           GRFConfig *c = *pc;
01021           if (c == this->active_sel) {
01022             *pc = c->next;
01023             c->next = c->next->next;
01024             (*pc)->next = c;
01025             break;
01026           }
01027         }
01028         this->vscroll->ScrollTowards(pos);
01029         this->preset = -1;
01030         this->InvalidateData();
01031         break;
01032       }
01033 
01034       case WID_NS_FILE_LIST: { // Select an active GRF.
01035         uint i = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_NS_FILE_LIST);
01036 
01037         GRFConfig *c;
01038         for (c = this->actives; c != NULL && i > 0; c = c->next, i--) {}
01039 
01040         if (this->active_sel != c) DeleteWindowByClass(WC_GRF_PARAMETERS);
01041         this->active_sel = c;
01042         this->avail_sel = NULL;
01043         this->avail_pos = -1;
01044 
01045         this->InvalidateData();
01046         if (click_count == 1) break;
01047         /* FALL THROUGH, with double click. */
01048       }
01049 
01050       case WID_NS_REMOVE: { // Remove GRF
01051         if (this->active_sel == NULL || !this->editable) break;
01052         DeleteWindowByClass(WC_GRF_PARAMETERS);
01053 
01054         /* Choose the next GRF file to be the selected file. */
01055         GRFConfig *newsel = this->active_sel->next;
01056         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next) {
01057           GRFConfig *c = *pc;
01058           /* If the new selection is empty (i.e. we're deleting the last item
01059            * in the list, pick the file just before the selected file */
01060           if (newsel == NULL && c->next == this->active_sel) newsel = c;
01061 
01062           if (c == this->active_sel) {
01063             *pc = c->next;
01064             delete c;
01065             break;
01066           }
01067         }
01068 
01069         this->active_sel = newsel;
01070         this->preset = -1;
01071         this->avail_pos = -1;
01072         this->avail_sel = NULL;
01073         this->avails.ForceRebuild();
01074         this->InvalidateData(GOID_NEWGRF_LIST_EDITED);
01075         break;
01076       }
01077 
01078       case WID_NS_AVAIL_LIST: { // Select a non-active GRF.
01079         uint i = this->vscroll2->GetScrolledRowFromWidget(pt.y, this, WID_NS_AVAIL_LIST);
01080         this->active_sel = NULL;
01081         DeleteWindowByClass(WC_GRF_PARAMETERS);
01082         if (i < this->avails.Length()) {
01083           this->avail_sel = this->avails[i];
01084           this->avail_pos = i;
01085         }
01086         this->InvalidateData();
01087         if (click_count == 1) break;
01088         /* FALL THROUGH, with double click. */
01089       }
01090 
01091       case WID_NS_ADD: {
01092         if (this->avail_sel == NULL || !this->editable || HasBit(this->avail_sel->flags, GCF_INVALID)) break;
01093 
01094         GRFConfig **list;
01095         /* Find last entry in the list, checking for duplicate grfid on the way */
01096         for (list = &this->actives; *list != NULL; list = &(*list)->next) {
01097           if ((*list)->ident.grfid == this->avail_sel->ident.grfid) {
01098             ShowErrorMessage(STR_NEWGRF_DUPLICATE_GRFID, INVALID_STRING_ID, WL_INFO);
01099             return;
01100           }
01101         }
01102 
01103         GRFConfig *c = new GRFConfig(*this->avail_sel); // Copy GRF details from scanned list.
01104         c->SetParameterDefaults();
01105         *list = c; // Append GRF config to configuration list.
01106 
01107         /* Select next (or previous, if last one) item in the list. */
01108         int new_pos = this->avail_pos + 1;
01109         if (new_pos >= (int)this->avails.Length()) new_pos = this->avail_pos - 1;
01110         this->avail_pos = new_pos;
01111         if (new_pos >= 0) this->avail_sel = this->avails[new_pos];
01112 
01113         this->avails.ForceRebuild();
01114         this->InvalidateData(GOID_NEWGRF_LIST_EDITED);
01115         break;
01116       }
01117 
01118       case WID_NS_APPLY_CHANGES: // Apply changes made to GRF list
01119         if (!this->editable) break;
01120         if (this->execute) {
01121           ShowQuery(
01122             STR_NEWGRF_POPUP_CAUTION_CAPTION,
01123             STR_NEWGRF_CONFIRMATION_TEXT,
01124             this,
01125             NewGRFConfirmationCallback
01126           );
01127         } else {
01128           CopyGRFConfigList(this->orig_list, this->actives, true);
01129           ResetGRFConfig(false);
01130           ReloadNewGRFData();
01131         }
01132         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
01133         break;
01134 
01135       case WID_NS_SET_PARAMETERS: { // Edit parameters
01136         if (this->active_sel == NULL || !this->editable || !this->show_params || this->active_sel->num_valid_params == 0) break;
01137 
01138         OpenGRFParameterWindow(this->active_sel);
01139         break;
01140       }
01141 
01142       case WID_NS_TOGGLE_PALETTE:
01143         if (this->active_sel != NULL || !this->editable) {
01144           this->active_sel->palette ^= GRFP_USE_MASK;
01145           this->SetDirty();
01146         }
01147         break;
01148 
01149       case WID_NS_CONTENT_DOWNLOAD:
01150       case WID_NS_CONTENT_DOWNLOAD2:
01151         if (!_network_available) {
01152           ShowErrorMessage(STR_NETWORK_ERROR_NOTAVAILABLE, INVALID_STRING_ID, WL_ERROR);
01153         } else {
01154 #if defined(ENABLE_NETWORK)
01155           this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
01156 
01157           ShowMissingContentWindow(this->actives);
01158 #endif
01159         }
01160         break;
01161 
01162       case WID_NS_RESCAN_FILES:
01163       case WID_NS_RESCAN_FILES2:
01164         ScanNewGRFFiles(this);
01165         break;
01166     }
01167   }
01168 
01169   virtual void OnNewGRFsScanned()
01170   {
01171     this->avail_sel = NULL;
01172     this->avail_pos = -1;
01173     this->avails.ForceRebuild();
01174     this->DeleteChildWindows(WC_QUERY_STRING);  // Remove the parameter query window
01175     this->DeleteChildWindows(WC_NEWGRF_TEXTFILE); // Remove the view textfile window
01176   }
01177 
01178   virtual void OnDropdownSelect(int widget, int index)
01179   {
01180     if (!this->editable) return;
01181 
01182     ClearGRFConfigList(&this->actives);
01183     this->preset = index;
01184 
01185     if (index != -1) {
01186       this->actives = LoadGRFPresetFromConfig(_grf_preset_list[index]);
01187     }
01188     this->avails.ForceRebuild();
01189 
01190     DeleteWindowByClass(WC_GRF_PARAMETERS);
01191     this->active_sel = NULL;
01192     this->InvalidateData(GOID_NEWGRF_PRESET_LOADED);
01193   }
01194 
01195   virtual void OnQueryTextFinished(char *str)
01196   {
01197     if (str == NULL) return;
01198 
01199     SaveGRFPresetToConfig(str, this->actives);
01200     GetGRFPresetList(&_grf_preset_list);
01201 
01202     /* Switch to this preset */
01203     for (uint i = 0; i < _grf_preset_list.Length(); i++) {
01204       if (_grf_preset_list[i] != NULL && strcmp(_grf_preset_list[i], str) == 0) {
01205         this->preset = i;
01206         break;
01207       }
01208     }
01209 
01210     this->InvalidateData();
01211   }
01212 
01218   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
01219   {
01220     if (!gui_scope) return;
01221     switch (data) {
01222       default:
01223         /* Nothing important to do */
01224         break;
01225 
01226       case GOID_NEWGRF_RESCANNED:
01227         /* Search the list for items that are now found and mark them as such. */
01228         for (GRFConfig **l = &this->actives; *l != NULL; l = &(*l)->next) {
01229           GRFConfig *c = *l;
01230           bool compatible = HasBit(c->flags, GCF_COMPATIBLE);
01231           if (c->status != GCS_NOT_FOUND && !compatible) continue;
01232 
01233           const GRFConfig *f = FindGRFConfig(c->ident.grfid, FGCM_EXACT, compatible ? c->original_md5sum : c->ident.md5sum);
01234           if (f == NULL || HasBit(f->flags, GCF_INVALID)) continue;
01235 
01236           *l = new GRFConfig(*f);
01237           (*l)->next = c->next;
01238 
01239           if (active_sel == c) active_sel = *l;
01240 
01241           delete c;
01242         }
01243 
01244         this->avails.ForceRebuild();
01245         /* FALL THROUGH */
01246       case GOID_NEWGRF_LIST_EDITED:
01247         this->preset = -1;
01248         /* FALL THROUGH */
01249       case GOID_NEWGRF_PRESET_LOADED: {
01250         /* Update scrollbars */
01251         int i = 0;
01252         for (const GRFConfig *c = this->actives; c != NULL; c = c->next, i++) {}
01253 
01254         this->vscroll->SetCapacityFromWidget(this, WID_NS_FILE_LIST);
01255         this->vscroll->SetCount(i);
01256 
01257         this->vscroll2->SetCapacityFromWidget(this, WID_NS_AVAIL_LIST);
01258         if (this->avail_pos >= 0) this->vscroll2->ScrollTowards(this->avail_pos);
01259         break;
01260       }
01261     }
01262 
01263     this->BuildAvailables();
01264 
01265     this->SetWidgetsDisabledState(!this->editable,
01266       WID_NS_PRESET_LIST,
01267       WID_NS_APPLY_CHANGES,
01268       WID_NS_TOGGLE_PALETTE,
01269       WIDGET_LIST_END
01270     );
01271     this->SetWidgetDisabledState(WID_NS_ADD, !this->editable || this->avail_sel == NULL || HasBit(this->avail_sel->flags, GCF_INVALID));
01272 
01273     bool disable_all = this->active_sel == NULL || !this->editable;
01274     this->SetWidgetsDisabledState(disable_all,
01275       WID_NS_REMOVE,
01276       WID_NS_MOVE_UP,
01277       WID_NS_MOVE_DOWN,
01278       WIDGET_LIST_END
01279     );
01280 
01281     const GRFConfig *c = (this->avail_sel == NULL) ? this->active_sel : this->avail_sel;
01282     for (TextfileType tft = TFT_BEGIN; tft < TFT_END; tft++) {
01283       this->SetWidgetDisabledState(WID_NS_NEWGRF_TEXTFILE + tft, c == NULL || c->GetTextfile(tft) == NULL);
01284     }
01285     this->SetWidgetDisabledState(WID_NS_OPEN_URL, c == NULL || StrEmpty(c->GetURL()));
01286 
01287     this->SetWidgetDisabledState(WID_NS_SET_PARAMETERS, !this->show_params || disable_all || this->active_sel->num_valid_params == 0);
01288     this->SetWidgetDisabledState(WID_NS_TOGGLE_PALETTE, disable_all);
01289 
01290     if (!disable_all) {
01291       /* All widgets are now enabled, so disable widgets we can't use */
01292       if (this->active_sel == this->actives)    this->DisableWidget(WID_NS_MOVE_UP);
01293       if (this->active_sel->next == NULL)       this->DisableWidget(WID_NS_MOVE_DOWN);
01294       if (this->active_sel->IsOpenTTDBaseGRF()) this->DisableWidget(WID_NS_REMOVE);
01295     }
01296 
01297     this->SetWidgetDisabledState(WID_NS_PRESET_DELETE, this->preset == -1);
01298 
01299     bool has_missing = false;
01300     bool has_compatible = false;
01301     for (const GRFConfig *c = this->actives; !has_missing && c != NULL; c = c->next) {
01302       has_missing    |= c->status == GCS_NOT_FOUND;
01303       has_compatible |= HasBit(c->flags, GCF_COMPATIBLE);
01304     }
01305     uint16 widget_data;
01306     StringID tool_tip;
01307     if (has_missing || has_compatible) {
01308       widget_data = STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_BUTTON;
01309       tool_tip    = STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_TOOLTIP;
01310     } else {
01311       widget_data = STR_INTRO_ONLINE_CONTENT;
01312       tool_tip    = STR_INTRO_TOOLTIP_ONLINE_CONTENT;
01313     }
01314     this->GetWidget<NWidgetCore>(WID_NS_CONTENT_DOWNLOAD)->widget_data  = widget_data;
01315     this->GetWidget<NWidgetCore>(WID_NS_CONTENT_DOWNLOAD)->tool_tip     = tool_tip;
01316     this->GetWidget<NWidgetCore>(WID_NS_CONTENT_DOWNLOAD2)->widget_data = widget_data;
01317     this->GetWidget<NWidgetCore>(WID_NS_CONTENT_DOWNLOAD2)->tool_tip    = tool_tip;
01318 
01319     this->SetWidgetDisabledState(WID_NS_PRESET_SAVE, has_missing);
01320   }
01321 
01322   virtual void OnMouseLoop()
01323   {
01324     if (this->editable) this->HandleEditBox(WID_NS_FILTER);
01325   }
01326 
01327   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
01328   {
01329     if (!this->editable) return ES_NOT_HANDLED;
01330 
01331     switch (keycode) {
01332       case WKC_UP:
01333         /* scroll up by one */
01334         if (this->avail_pos > 0) this->avail_pos--;
01335         break;
01336 
01337       case WKC_DOWN:
01338         /* scroll down by one */
01339         if (this->avail_pos < (int)this->avails.Length() - 1) this->avail_pos++;
01340         break;
01341 
01342       case WKC_PAGEUP:
01343         /* scroll up a page */
01344         this->avail_pos = (this->avail_pos < this->vscroll2->GetCapacity()) ? 0 : this->avail_pos - this->vscroll2->GetCapacity();
01345         break;
01346 
01347       case WKC_PAGEDOWN:
01348         /* scroll down a page */
01349         this->avail_pos = min(this->avail_pos + this->vscroll2->GetCapacity(), (int)this->avails.Length() - 1);
01350         break;
01351 
01352       case WKC_HOME:
01353         /* jump to beginning */
01354         this->avail_pos = 0;
01355         break;
01356 
01357       case WKC_END:
01358         /* jump to end */
01359         this->avail_pos = this->avails.Length() - 1;
01360         break;
01361 
01362       default: {
01363         /* Handle editbox input */
01364         EventState state = ES_NOT_HANDLED;
01365         if (this->HandleEditBoxKey(WID_NS_FILTER, key, keycode, state) == HEBR_EDITING) {
01366           this->OnOSKInput(WID_NS_FILTER);
01367         }
01368         return state;
01369       }
01370     }
01371 
01372     if (this->avails.Length() == 0) this->avail_pos = -1;
01373     if (this->avail_pos >= 0) {
01374       this->avail_sel = this->avails[this->avail_pos];
01375       this->vscroll2->ScrollTowards(this->avail_pos);
01376       this->InvalidateData(0);
01377     }
01378 
01379     return ES_HANDLED;
01380   }
01381 
01382   virtual void OnOSKInput(int wid)
01383   {
01384     if (!this->editable) return;
01385 
01386     this->avails.SetFilterState(!StrEmpty(this->edit_str_buf));
01387     this->avails.ForceRebuild();
01388     this->InvalidateData(0);
01389   }
01390 
01391 private:
01393   static int CDECL NameSorter(const GRFConfig * const *a, const GRFConfig * const *b)
01394   {
01395     int i = strnatcmp((*a)->GetName(), (*b)->GetName()); // Sort by name (natural sorting).
01396     if (i != 0) return i;
01397 
01398     i = (*a)->version - (*b)->version;
01399     if (i != 0) return i;
01400 
01401     return memcmp((*a)->ident.md5sum, (*b)->ident.md5sum, lengthof((*b)->ident.md5sum));
01402   }
01403 
01405   static bool CDECL TagNameFilter(const GRFConfig * const *a, const char *filter_string)
01406   {
01407     if (strcasestr((*a)->GetName(), filter_string) != NULL) return true;
01408     if ((*a)->filename != NULL && strcasestr((*a)->filename, filter_string) != NULL) return true;
01409     if ((*a)->GetDescription() != NULL && strcasestr((*a)->GetDescription(), filter_string) != NULL) return true;
01410     return false;
01411   }
01412 
01413   void BuildAvailables()
01414   {
01415     if (!this->avails.NeedRebuild()) return;
01416 
01417     this->avails.Clear();
01418 
01419     for (const GRFConfig *c = _all_grfs; c != NULL; c = c->next) {
01420       bool found = false;
01421       for (const GRFConfig *grf = this->actives; grf != NULL && !found; grf = grf->next) found = grf->ident.HasGrfIdentifier(c->ident.grfid, c->ident.md5sum);
01422       if (found) continue;
01423 
01424       if (_settings_client.gui.newgrf_show_old_versions) {
01425         *this->avails.Append() = c;
01426       } else {
01427         const GRFConfig *best = FindGRFConfig(c->ident.grfid, HasBit(c->flags, GCF_INVALID) ? FGCM_NEWEST : FGCM_NEWEST_VALID);
01428         /*
01429          * If the best version is 0, then all NewGRF with this GRF ID
01430          * have version 0, so for backward compatability reasons we
01431          * want to show them all.
01432          * If we are the best version, then we definitely want to
01433          * show that NewGRF!.
01434          */
01435         if (best->version == 0 || best->ident.HasGrfIdentifier(c->ident.grfid, c->ident.md5sum)) {
01436           *this->avails.Append() = c;
01437         }
01438       }
01439     }
01440 
01441     this->avails.Filter(this->edit_str_buf);
01442     this->avails.Compact();
01443     this->avails.RebuildDone();
01444     this->avails.Sort();
01445 
01446     if (this->avail_sel != NULL) {
01447       this->avail_pos = this->avails.FindIndex(this->avail_sel);
01448       if (this->avail_pos < 0) this->avail_sel = NULL;
01449     }
01450 
01451     this->vscroll2->SetCount(this->avails.Length()); // Update the scrollbar
01452   }
01453 };
01454 
01455 #if defined(ENABLE_NETWORK)
01456 
01460 void ShowMissingContentWindow(const GRFConfig *list)
01461 {
01462   /* Only show the things in the current list, or everything when nothing's selected */
01463   ContentVector cv;
01464   for (const GRFConfig *c = list; c != NULL; c = c->next) {
01465     if (c->status != GCS_NOT_FOUND && !HasBit(c->flags, GCF_COMPATIBLE)) continue;
01466 
01467     ContentInfo *ci = new ContentInfo();
01468     ci->type = CONTENT_TYPE_NEWGRF;
01469     ci->state = ContentInfo::DOES_NOT_EXIST;
01470     ttd_strlcpy(ci->name, c->GetName(), lengthof(ci->name));
01471     ci->unique_id = BSWAP32(c->ident.grfid);
01472     memcpy(ci->md5sum, HasBit(c->flags, GCF_COMPATIBLE) ? c->original_md5sum : c->ident.md5sum, sizeof(ci->md5sum));
01473     *cv.Append() = ci;
01474   }
01475   ShowNetworkContentListWindow(cv.Length() == 0 ? NULL : &cv, CONTENT_TYPE_NEWGRF);
01476 }
01477 #endif
01478 
01479 Listing NewGRFWindow::last_sorting     = {false, 0};
01480 Filtering NewGRFWindow::last_filtering = {false, 0};
01481 
01482 NewGRFWindow::GUIGRFConfigList::SortFunction * const NewGRFWindow::sorter_funcs[] = {
01483   &NameSorter,
01484 };
01485 
01486 NewGRFWindow::GUIGRFConfigList::FilterFunction * const NewGRFWindow::filter_funcs[] = {
01487   &TagNameFilter,
01488 };
01489 
01496 class NWidgetNewGRFDisplay : public NWidgetContainer {
01497 public:
01498   static const uint INTER_LIST_SPACING;      
01499   static const uint INTER_COLUMN_SPACING;    
01500   static const uint MAX_EXTRA_INFO_WIDTH;    
01501   static const uint MIN_EXTRA_FOR_3_COLUMNS; 
01502 
01503   NWidgetBase *avs; 
01504   NWidgetBase *acs; 
01505   NWidgetBase *inf; 
01506   bool editable;    
01507 
01508   NWidgetNewGRFDisplay(NWidgetBase *avs, NWidgetBase *acs, NWidgetBase *inf) : NWidgetContainer(NWID_HORIZONTAL)
01509   {
01510     this->avs = avs;
01511     this->acs = acs;
01512     this->inf = inf;
01513 
01514     this->Add(this->avs);
01515     this->Add(this->acs);
01516     this->Add(this->inf);
01517 
01518     this->editable = true; // Temporary setting, 'real' value is set in SetupSmallestSize().
01519   }
01520 
01521   virtual void SetupSmallestSize(Window *w, bool init_array)
01522   {
01523     /* Copy state flag from the window. */
01524     assert(dynamic_cast<NewGRFWindow *>(w) != NULL);
01525     NewGRFWindow *ngw = (NewGRFWindow *)w;
01526     this->editable = ngw->editable;
01527 
01528     this->avs->SetupSmallestSize(w, init_array);
01529     this->acs->SetupSmallestSize(w, init_array);
01530     this->inf->SetupSmallestSize(w, init_array);
01531 
01532     uint min_avs_width = this->avs->smallest_x + this->avs->padding_left + this->avs->padding_right;
01533     uint min_acs_width = this->acs->smallest_x + this->acs->padding_left + this->acs->padding_right;
01534     uint min_inf_width = this->inf->smallest_x + this->inf->padding_left + this->inf->padding_right;
01535 
01536     uint min_avs_height = this->avs->smallest_y + this->avs->padding_top + this->avs->padding_bottom;
01537     uint min_acs_height = this->acs->smallest_y + this->acs->padding_top + this->acs->padding_bottom;
01538     uint min_inf_height = this->inf->smallest_y + this->inf->padding_top + this->inf->padding_bottom;
01539 
01540     /* Smallest window is in two column mode. */
01541     this->smallest_x = max(min_avs_width, min_acs_width) + INTER_COLUMN_SPACING + min_inf_width;
01542     this->smallest_y = max(min_inf_height, min_acs_height + INTER_LIST_SPACING + min_avs_height);
01543 
01544     /* Filling. */
01545     this->fill_x = LeastCommonMultiple(this->avs->fill_x, this->acs->fill_x);
01546     if (this->inf->fill_x > 0 && (this->fill_x == 0 || this->fill_x > this->inf->fill_x)) this->fill_x = this->inf->fill_x;
01547 
01548     this->fill_y = this->avs->fill_y;
01549     if (this->acs->fill_y > 0 && (this->fill_y == 0 || this->fill_y > this->acs->fill_y)) this->fill_y = this->acs->fill_y;
01550     this->fill_y = LeastCommonMultiple(this->fill_y, this->inf->fill_y);
01551 
01552     /* Resizing. */
01553     this->resize_x = LeastCommonMultiple(this->avs->resize_x, this->acs->resize_x);
01554     if (this->inf->resize_x > 0 && (this->resize_x == 0 || this->resize_x > this->inf->resize_x)) this->resize_x = this->inf->resize_x;
01555 
01556     this->resize_y = this->avs->resize_y;
01557     if (this->acs->resize_y > 0 && (this->resize_y == 0 || this->resize_y > this->acs->resize_y)) this->resize_y = this->acs->resize_y;
01558     this->resize_y = LeastCommonMultiple(this->resize_y, this->inf->resize_y);
01559 
01560     /* Make sure the height suits the 3 column (resp. not-editable) format; the 2 column format can easily fill space between the lists */
01561     this->smallest_y = ComputeMaxSize(min_acs_height, this->smallest_y + this->resize_y - 1, this->resize_y);
01562   }
01563 
01564   virtual void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
01565   {
01566     this->StoreSizePosition(sizing, x, y, given_width, given_height);
01567 
01568     uint min_avs_width = this->avs->smallest_x + this->avs->padding_left + this->avs->padding_right;
01569     uint min_acs_width = this->acs->smallest_x + this->acs->padding_left + this->acs->padding_right;
01570     uint min_inf_width = this->inf->smallest_x + this->inf->padding_left + this->inf->padding_right;
01571 
01572     uint min_list_width = max(min_avs_width, min_acs_width); // Smallest width of the lists such that they have equal width (incl padding).
01573     uint avs_extra_width = min_list_width - min_avs_width;   // Additional width needed for avs to reach min_list_width.
01574     uint acs_extra_width = min_list_width - min_acs_width;   // Additional width needed for acs to reach min_list_width.
01575 
01576     /* Use 2 or 3 colmuns? */
01577     uint min_three_columns = min_avs_width + min_acs_width + min_inf_width + 2 * INTER_COLUMN_SPACING;
01578     uint min_two_columns   = min_list_width + min_inf_width + INTER_COLUMN_SPACING;
01579     bool use_three_columns = this->editable && (min_three_columns + MIN_EXTRA_FOR_3_COLUMNS <= given_width);
01580 
01581     /* Info panel is a seperate column in both modes. Compute its width first. */
01582     uint extra_width, inf_width;
01583     if (use_three_columns) {
01584       extra_width = given_width - min_three_columns;
01585       inf_width = min(MAX_EXTRA_INFO_WIDTH, extra_width / 2);
01586     } else {
01587       extra_width = given_width - min_two_columns;
01588       inf_width = min(MAX_EXTRA_INFO_WIDTH, extra_width / 2);
01589     }
01590     inf_width = ComputeMaxSize(this->inf->smallest_x, this->inf->smallest_x + inf_width, this->inf->GetHorizontalStepSize(sizing));
01591     extra_width -= inf_width - this->inf->smallest_x;
01592 
01593     uint inf_height = ComputeMaxSize(this->inf->smallest_y, given_height, this->inf->GetVerticalStepSize(sizing));
01594 
01595     if (use_three_columns) {
01596       /* Three column display, first make both lists equally wide, then divide whatever is left between both lists.
01597        * Only keep track of what avs gets, all other space goes to acs. */
01598       uint avs_width = min(avs_extra_width, extra_width);
01599       extra_width -= avs_width;
01600       extra_width -= min(acs_extra_width, extra_width);
01601       avs_width += extra_width / 2;
01602 
01603       avs_width = ComputeMaxSize(this->avs->smallest_x, this->avs->smallest_x + avs_width, this->avs->GetHorizontalStepSize(sizing));
01604 
01605       uint acs_width = given_width - // Remaining space, including horizontal padding.
01606           inf_width - this->inf->padding_left - this->inf->padding_right -
01607           avs_width - this->avs->padding_left - this->avs->padding_right - 2 * INTER_COLUMN_SPACING;
01608       acs_width = ComputeMaxSize(min_acs_width, acs_width, this->acs->GetHorizontalStepSize(sizing)) -
01609           this->acs->padding_left - this->acs->padding_right;
01610 
01611       /* Never use fill_y on these; the minimal size is choosen, so that the 3 column view looks nice */
01612       uint avs_height = ComputeMaxSize(this->avs->smallest_y, given_height, this->avs->resize_y);
01613       uint acs_height = ComputeMaxSize(this->acs->smallest_y, given_height, this->acs->resize_y);
01614 
01615       /* Assign size and position to the childs. */
01616       if (rtl) {
01617         x += this->inf->padding_left;
01618         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01619         x += inf_width + this->inf->padding_right + INTER_COLUMN_SPACING;
01620       } else {
01621         x += this->avs->padding_left;
01622         this->avs->AssignSizePosition(sizing, x, y + this->avs->padding_top, avs_width, avs_height, rtl);
01623         x += avs_width + this->avs->padding_right + INTER_COLUMN_SPACING;
01624       }
01625 
01626       x += this->acs->padding_left;
01627       this->acs->AssignSizePosition(sizing, x, y + this->acs->padding_top, acs_width, acs_height, rtl);
01628       x += acs_width + this->acs->padding_right + INTER_COLUMN_SPACING;
01629 
01630       if (rtl) {
01631         x += this->avs->padding_left;
01632         this->avs->AssignSizePosition(sizing, x, y + this->avs->padding_top, avs_width, avs_height, rtl);
01633       } else {
01634         x += this->inf->padding_left;
01635         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01636       }
01637     } else {
01638       /* Two columns, all space in extra_width goes to both lists. Since the lists are underneath each other,
01639        * the column is min_list_width wide at least. */
01640       uint avs_width = ComputeMaxSize(this->avs->smallest_x, this->avs->smallest_x + avs_extra_width + extra_width,
01641           this->avs->GetHorizontalStepSize(sizing));
01642       uint acs_width = ComputeMaxSize(this->acs->smallest_x, this->acs->smallest_x + acs_extra_width + extra_width,
01643           this->acs->GetHorizontalStepSize(sizing));
01644 
01645       uint min_avs_height = (!this->editable) ? 0 : this->avs->smallest_y + this->avs->padding_top + this->avs->padding_bottom + INTER_LIST_SPACING;
01646       uint min_acs_height = this->acs->smallest_y + this->acs->padding_top + this->acs->padding_bottom;
01647       uint extra_height = given_height - min_acs_height - min_avs_height;
01648 
01649       /* Never use fill_y on these; instead use the INTER_LIST_SPACING as filler */
01650       uint avs_height = ComputeMaxSize(this->avs->smallest_y, this->avs->smallest_y + extra_height / 2, this->avs->resize_y);
01651       if (this->editable) extra_height -= avs_height - this->avs->smallest_y;
01652       uint acs_height = ComputeMaxSize(this->acs->smallest_y, this->acs->smallest_y + extra_height, this->acs->resize_y);
01653 
01654       /* Assign size and position to the childs. */
01655       if (rtl) {
01656         x += this->inf->padding_left;
01657         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01658         x += inf_width + this->inf->padding_right + INTER_COLUMN_SPACING;
01659 
01660         this->acs->AssignSizePosition(sizing, x + this->acs->padding_left, y + this->acs->padding_top, acs_width, acs_height, rtl);
01661         if (this->editable) {
01662           this->avs->AssignSizePosition(sizing, x + this->avs->padding_left, y + given_height - avs_height - this->avs->padding_bottom, avs_width, avs_height, rtl);
01663         } else {
01664           this->avs->AssignSizePosition(sizing, 0, 0, this->avs->smallest_x, this->avs->smallest_y, rtl);
01665         }
01666       } else {
01667         this->acs->AssignSizePosition(sizing, x + this->acs->padding_left, y + this->acs->padding_top, acs_width, acs_height, rtl);
01668         if (this->editable) {
01669           this->avs->AssignSizePosition(sizing, x + this->avs->padding_left, y + given_height - avs_height - this->avs->padding_bottom, avs_width, avs_height, rtl);
01670         } else {
01671           this->avs->AssignSizePosition(sizing, 0, 0, this->avs->smallest_x, this->avs->smallest_y, rtl);
01672         }
01673         uint dx = this->acs->current_x + this->acs->padding_left + this->acs->padding_right;
01674         if (this->editable) {
01675           dx = max(dx, this->avs->current_x + this->avs->padding_left + this->avs->padding_right);
01676         }
01677         x += dx + INTER_COLUMN_SPACING + this->inf->padding_left;
01678         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01679       }
01680     }
01681   }
01682 
01683   virtual NWidgetCore *GetWidgetFromPos(int x, int y)
01684   {
01685     if (!IsInsideBS(x, this->pos_x, this->current_x) || !IsInsideBS(y, this->pos_y, this->current_y)) return NULL;
01686 
01687     NWidgetCore *nw = (this->editable) ? this->avs->GetWidgetFromPos(x, y) : NULL;
01688     if (nw == NULL) nw = this->acs->GetWidgetFromPos(x, y);
01689     if (nw == NULL) nw = this->inf->GetWidgetFromPos(x, y);
01690     return nw;
01691   }
01692 
01693   virtual void Draw(const Window *w)
01694   {
01695     if (this->editable) this->avs->Draw(w);
01696     this->acs->Draw(w);
01697     this->inf->Draw(w);
01698   }
01699 };
01700 
01701 const uint NWidgetNewGRFDisplay::INTER_LIST_SPACING      = WD_RESIZEBOX_WIDTH + 1;
01702 const uint NWidgetNewGRFDisplay::INTER_COLUMN_SPACING    = WD_RESIZEBOX_WIDTH;
01703 const uint NWidgetNewGRFDisplay::MAX_EXTRA_INFO_WIDTH    = 150;
01704 const uint NWidgetNewGRFDisplay::MIN_EXTRA_FOR_3_COLUMNS = 50;
01705 
01706 static const NWidgetPart _nested_newgrf_actives_widgets[] = {
01707   /* Left side, presets. */
01708   NWidget(NWID_HORIZONTAL),
01709     NWidget(WWT_TEXT, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_SELECT_PRESET, STR_NULL),
01710         SetPadding(0, WD_FRAMETEXT_RIGHT, 0, 0),
01711     NWidget(WWT_DROPDOWN, COLOUR_YELLOW, WID_NS_PRESET_LIST), SetFill(1, 0), SetResize(1, 0),
01712         SetDataTip(STR_JUST_STRING, STR_NEWGRF_SETTINGS_PRESET_LIST_TOOLTIP),
01713   EndContainer(),
01714   NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01715     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_PRESET_SAVE), SetFill(1, 0), SetResize(1, 0),
01716         SetDataTip(STR_NEWGRF_SETTINGS_PRESET_SAVE, STR_NEWGRF_SETTINGS_PRESET_SAVE_TOOLTIP),
01717     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_PRESET_DELETE), SetFill(1, 0), SetResize(1, 0),
01718         SetDataTip(STR_NEWGRF_SETTINGS_PRESET_DELETE, STR_NEWGRF_SETTINGS_PRESET_DELETE_TOOLTIP),
01719   EndContainer(),
01720 
01721   NWidget(NWID_SPACER), SetMinimalSize(0, WD_RESIZEBOX_WIDTH), SetResize(1, 0), SetFill(1, 0),
01722   NWidget(WWT_PANEL, COLOUR_MAUVE),
01723     NWidget(WWT_LABEL, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_ACTIVE_LIST, STR_NULL),
01724         SetFill(1, 0), SetResize(1, 0), SetPadding(3, WD_FRAMETEXT_RIGHT, 0, WD_FRAMETEXT_LEFT),
01725     /* Left side, active grfs. */
01726     NWidget(NWID_HORIZONTAL), SetPadding(0, 2, 0, 2),
01727       NWidget(WWT_PANEL, COLOUR_MAUVE),
01728         NWidget(WWT_INSET, COLOUR_MAUVE, WID_NS_FILE_LIST), SetMinimalSize(100, 1), SetPadding(2, 2, 2, 2),
01729             SetFill(1, 1), SetResize(1, 1), SetScrollbar(WID_NS_SCROLLBAR), SetDataTip(STR_NULL, STR_NEWGRF_SETTINGS_FILE_TOOLTIP),
01730         EndContainer(),
01731       EndContainer(),
01732       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_NS_SCROLLBAR),
01733     EndContainer(),
01734     /* Buttons. */
01735     NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NS_SHOW_REMOVE),
01736       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01737         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_REMOVE), SetFill(1, 0), SetResize(1, 0),
01738             SetDataTip(STR_NEWGRF_SETTINGS_REMOVE, STR_NEWGRF_SETTINGS_REMOVE_TOOLTIP),
01739         NWidget(NWID_VERTICAL),
01740           NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_MOVE_UP), SetFill(1, 0), SetResize(1, 0),
01741               SetDataTip(STR_NEWGRF_SETTINGS_MOVEUP, STR_NEWGRF_SETTINGS_MOVEUP_TOOLTIP),
01742           NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_MOVE_DOWN), SetFill(1, 0), SetResize(1, 0),
01743               SetDataTip(STR_NEWGRF_SETTINGS_MOVEDOWN, STR_NEWGRF_SETTINGS_MOVEDOWN_TOOLTIP),
01744         EndContainer(),
01745       EndContainer(),
01746 
01747       NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2),
01748         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_RESCAN_FILES2), SetFill(1, 0), SetResize(1, 0),
01749             SetDataTip(STR_NEWGRF_SETTINGS_RESCAN_FILES, STR_NEWGRF_SETTINGS_RESCAN_FILES_TOOLTIP),
01750         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_CONTENT_DOWNLOAD2), SetFill(1, 0), SetResize(1, 0),
01751             SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),
01752       EndContainer(),
01753     EndContainer(),
01754   EndContainer(),
01755 };
01756 
01757 static const NWidgetPart _nested_newgrf_availables_widgets[] = {
01758   NWidget(WWT_PANEL, COLOUR_MAUVE),
01759     NWidget(WWT_LABEL, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_INACTIVE_LIST, STR_NULL),
01760         SetFill(1, 0), SetResize(1, 0), SetPadding(3, WD_FRAMETEXT_RIGHT, 0, WD_FRAMETEXT_LEFT),
01761     /* Left side, available grfs, filter edit box. */
01762     NWidget(NWID_HORIZONTAL), SetPadding(WD_TEXTPANEL_TOP, 0, WD_TEXTPANEL_BOTTOM, 0),
01763         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
01764       NWidget(WWT_TEXT, COLOUR_MAUVE), SetFill(0, 1), SetDataTip(STR_NEWGRF_FILTER_TITLE, STR_NULL),
01765       NWidget(WWT_EDITBOX, COLOUR_MAUVE, WID_NS_FILTER), SetFill(1, 0), SetMinimalSize(50, 12), SetResize(1, 0),
01766           SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
01767     EndContainer(),
01768     /* Left side, available grfs. */
01769     NWidget(NWID_HORIZONTAL), SetPadding(0, 2, 0, 2),
01770       NWidget(WWT_PANEL, COLOUR_MAUVE),
01771         NWidget(WWT_INSET, COLOUR_MAUVE, WID_NS_AVAIL_LIST), SetMinimalSize(100, 1), SetPadding(2, 2, 2, 2),
01772             SetFill(1, 1), SetResize(1, 1), SetScrollbar(WID_NS_SCROLL2BAR),
01773         EndContainer(),
01774       EndContainer(),
01775       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_NS_SCROLL2BAR),
01776     EndContainer(),
01777     /* Left side, available grfs, buttons. */
01778     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01779       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_ADD), SetFill(1, 0), SetResize(1, 0),
01780           SetDataTip(STR_NEWGRF_SETTINGS_ADD, STR_NEWGRF_SETTINGS_ADD_FILE_TOOLTIP),
01781       NWidget(NWID_VERTICAL),
01782         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_RESCAN_FILES), SetFill(1, 0), SetResize(1, 0),
01783             SetDataTip(STR_NEWGRF_SETTINGS_RESCAN_FILES, STR_NEWGRF_SETTINGS_RESCAN_FILES_TOOLTIP),
01784         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_CONTENT_DOWNLOAD), SetFill(1, 0), SetResize(1, 0),
01785             SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),
01786       EndContainer(),
01787     EndContainer(),
01788   EndContainer(),
01789 };
01790 
01791 static const NWidgetPart _nested_newgrf_infopanel_widgets[] = {
01792   /* Right side, info panel. */
01793   NWidget(NWID_VERTICAL), SetPadding(0, 0, 2, 0),
01794     NWidget(WWT_PANEL, COLOUR_MAUVE), SetPadding(0, 0, 2, 0),
01795       NWidget(WWT_EMPTY, COLOUR_MAUVE, WID_NS_NEWGRF_INFO_TITLE), SetFill(1, 0), SetResize(1, 0),
01796       NWidget(WWT_EMPTY, COLOUR_MAUVE, WID_NS_NEWGRF_INFO), SetFill(1, 1), SetResize(1, 1), SetMinimalSize(150, 100),
01797     EndContainer(),
01798     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_OPEN_URL), SetFill(1, 0), SetResize(1, 0),
01799         SetDataTip(STR_CONTENT_OPEN_URL, STR_CONTENT_OPEN_URL_TOOLTIP),
01800     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_NEWGRF_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0),
01801         SetDataTip(STR_NEWGRF_SETTINGS_VIEW_README, STR_NULL),
01802     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01803       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_NEWGRF_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0),
01804           SetDataTip(STR_NEWGRF_SETTINGS_VIEW_CHANGELOG, STR_NULL),
01805       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_NEWGRF_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0),
01806           SetDataTip(STR_NEWGRF_SETTINGS_VIEW_LICENSE, STR_NULL),
01807     EndContainer(),
01808   EndContainer(),
01809   NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NS_SHOW_APPLY),
01810     /* Right side, buttons. */
01811     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01812       NWidget(NWID_VERTICAL),
01813         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_SET_PARAMETERS), SetFill(1, 0), SetResize(1, 0),
01814             SetDataTip(STR_NEWGRF_SETTINGS_SET_PARAMETERS, STR_NULL),
01815         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_TOGGLE_PALETTE), SetFill(1, 0), SetResize(1, 0),
01816             SetDataTip(STR_NEWGRF_SETTINGS_TOGGLE_PALETTE, STR_NEWGRF_SETTINGS_TOGGLE_PALETTE_TOOLTIP),
01817       EndContainer(),
01818       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_APPLY_CHANGES), SetFill(1, 0), SetResize(1, 0),
01819           SetDataTip(STR_NEWGRF_SETTINGS_APPLY_CHANGES, STR_NULL),
01820     EndContainer(),
01821   EndContainer(),
01822 };
01823 
01825 NWidgetBase* NewGRFDisplay(int *biggest_index)
01826 {
01827   NWidgetBase *avs = MakeNWidgets(_nested_newgrf_availables_widgets, lengthof(_nested_newgrf_availables_widgets), biggest_index, NULL);
01828 
01829   int biggest2;
01830   NWidgetBase *acs = MakeNWidgets(_nested_newgrf_actives_widgets, lengthof(_nested_newgrf_actives_widgets), &biggest2, NULL);
01831   *biggest_index = max(*biggest_index, biggest2);
01832 
01833   NWidgetBase *inf = MakeNWidgets(_nested_newgrf_infopanel_widgets, lengthof(_nested_newgrf_infopanel_widgets), &biggest2, NULL);
01834   *biggest_index = max(*biggest_index, biggest2);
01835 
01836   return new NWidgetNewGRFDisplay(avs, acs, inf);
01837 }
01838 
01839 /* Widget definition of the manage newgrfs window */
01840 static const NWidgetPart _nested_newgrf_widgets[] = {
01841   NWidget(NWID_HORIZONTAL),
01842     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
01843     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01844   EndContainer(),
01845   NWidget(WWT_PANEL, COLOUR_MAUVE),
01846     NWidgetFunction(NewGRFDisplay), SetPadding(WD_RESIZEBOX_WIDTH, WD_RESIZEBOX_WIDTH, 2, WD_RESIZEBOX_WIDTH),
01847     /* Resize button. */
01848     NWidget(NWID_HORIZONTAL),
01849       NWidget(NWID_SPACER), SetFill(1, 0), SetResize(1, 0),
01850       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
01851     EndContainer(),
01852   EndContainer(),
01853 };
01854 
01855 /* Window definition of the manage newgrfs window */
01856 static const WindowDesc _newgrf_desc(
01857   WDP_CENTER, 300, 263,
01858   WC_GAME_OPTIONS, WC_NONE,
01859   WDF_UNCLICK_BUTTONS,
01860   _nested_newgrf_widgets, lengthof(_nested_newgrf_widgets)
01861 );
01862 
01868 static void NewGRFConfirmationCallback(Window *w, bool confirmed)
01869 {
01870   if (confirmed) {
01871     DeleteWindowByClass(WC_GRF_PARAMETERS);
01872     NewGRFWindow *nw = dynamic_cast<NewGRFWindow*>(w);
01873 
01874     GamelogStartAction(GLAT_GRF);
01875     GamelogGRFUpdate(_grfconfig, nw->actives); // log GRF changes
01876     CopyGRFConfigList(nw->orig_list, nw->actives, false);
01877     ReloadNewGRFData();
01878     GamelogStopAction();
01879 
01880     /* Show new, updated list */
01881     GRFConfig *c;
01882     int i = 0;
01883     for (c = nw->actives; c != NULL && c != nw->active_sel; c = c->next, i++) {}
01884     CopyGRFConfigList(&nw->actives, *nw->orig_list, false);
01885     for (c = nw->actives; c != NULL && i > 0; c = c->next, i--) {}
01886     nw->active_sel = c;
01887     nw->avails.ForceRebuild();
01888 
01889     w->InvalidateData();
01890 
01891     ReInitAllWindows();
01892     DeleteWindowByClass(WC_BUILD_OBJECT);
01893   }
01894 }
01895 
01896 
01897 
01906 void ShowNewGRFSettings(bool editable, bool show_params, bool exec_changes, GRFConfig **config)
01907 {
01908   DeleteWindowByClass(WC_GAME_OPTIONS);
01909   new NewGRFWindow(&_newgrf_desc, editable, show_params, exec_changes, config);
01910 }
01911 
01913 static const NWidgetPart _nested_scan_progress_widgets[] = {
01914   NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_NEWGRF_SCAN_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01915   NWidget(WWT_PANEL, COLOUR_GREY),
01916     NWidget(NWID_HORIZONTAL), SetPIP(20, 0, 20),
01917       NWidget(NWID_VERTICAL), SetPIP(11, 8, 11),
01918         NWidget(WWT_LABEL, INVALID_COLOUR), SetDataTip(STR_NEWGRF_SCAN_MESSAGE, STR_NULL), SetFill(1, 0),
01919         NWidget(WWT_EMPTY, INVALID_COLOUR, WID_SP_PROGRESS_BAR), SetFill(1, 0),
01920         NWidget(WWT_EMPTY, INVALID_COLOUR, WID_SP_PROGRESS_TEXT), SetFill(1, 0),
01921       EndContainer(),
01922     EndContainer(),
01923   EndContainer(),
01924 };
01925 
01927 static const WindowDesc _scan_progress_desc(
01928   WDP_CENTER, 0, 0,
01929   WC_MODAL_PROGRESS, WC_NONE,
01930   WDF_UNCLICK_BUTTONS,
01931   _nested_scan_progress_widgets, lengthof(_nested_scan_progress_widgets)
01932 );
01933 
01935 struct ScanProgressWindow : public Window {
01936   char *last_name; 
01937   int scanned;     
01938 
01940   ScanProgressWindow() : Window(), last_name(NULL), scanned(0)
01941   {
01942     this->InitNested(&_scan_progress_desc, 1);
01943   }
01944 
01946   ~ScanProgressWindow()
01947   {
01948     free(last_name);
01949   }
01950 
01951   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01952   {
01953     switch (widget) {
01954       case WID_SP_PROGRESS_BAR: {
01955         SetDParam(0, 100);
01956         *size = GetStringBoundingBox(STR_GENERATION_PROGRESS);
01957         /* We need some spacing for the 'border' */
01958         size->height += 8;
01959         size->width += 8;
01960         break;
01961       }
01962 
01963       case WID_SP_PROGRESS_TEXT:
01964         SetDParam(0, 9999);
01965         SetDParam(1, 9999);
01966         /* We really don't know the width. We could determine it by scanning the NewGRFs,
01967          * but this is the status window for scanning them... */
01968         size->width = max(400U, GetStringBoundingBox(STR_NEWGRF_SCAN_STATUS).width);
01969         size->height = FONT_HEIGHT_NORMAL * 2 + WD_PAR_VSEP_NORMAL;
01970         break;
01971     }
01972   }
01973 
01974   virtual void DrawWidget(const Rect &r, int widget) const
01975   {
01976     switch (widget) {
01977       case WID_SP_PROGRESS_BAR: {
01978         /* Draw the % complete with a bar and a text */
01979         DrawFrameRect(r.left, r.top, r.right, r.bottom, COLOUR_GREY, FR_BORDERONLY);
01980         uint percent = scanned * 100 / max(1U, _settings_client.gui.last_newgrf_count);
01981         DrawFrameRect(r.left + 1, r.top + 1, (int)((r.right - r.left - 2) * percent / 100) + r.left + 1, r.bottom - 1, COLOUR_MAUVE, FR_NONE);
01982         SetDParam(0, percent);
01983         DrawString(r.left, r.right, r.top + 5, STR_GENERATION_PROGRESS, TC_FROMSTRING, SA_HOR_CENTER);
01984         break;
01985       }
01986 
01987       case WID_SP_PROGRESS_TEXT:
01988         SetDParam(0, this->scanned);
01989         SetDParam(1, _settings_client.gui.last_newgrf_count);
01990         DrawString(r.left, r.right, r.top, STR_NEWGRF_SCAN_STATUS, TC_FROMSTRING, SA_HOR_CENTER);
01991 
01992         DrawString(r.left, r.right, r.top + FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL, this->last_name == NULL ? "" : this->last_name, TC_BLACK, SA_HOR_CENTER);
01993         break;
01994     }
01995   }
01996 
02002   void UpdateNewGRFScanStatus(uint num, const char *name)
02003   {
02004     free(this->last_name);
02005     if (name == NULL) {
02006       char buf[256];
02007       GetString(buf, STR_NEWGRF_SCAN_ARCHIVES, lastof(buf));
02008       this->last_name = strdup(buf);
02009     } else {
02010       this->last_name = strdup(name);
02011     }
02012     this->scanned = num;
02013     if (num > _settings_client.gui.last_newgrf_count) _settings_client.gui.last_newgrf_count = num;
02014 
02015     this->SetDirty();
02016   }
02017 };
02018 
02024 void UpdateNewGRFScanStatus(uint num, const char *name)
02025 {
02026   ScanProgressWindow *w  = dynamic_cast<ScanProgressWindow *>(FindWindowByClass(WC_MODAL_PROGRESS));
02027   if (w == NULL) w = new ScanProgressWindow();
02028   w->UpdateNewGRFScanStatus(num, name);
02029 }