newgrf_gui.cpp

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00001 /* $Id: newgrf_gui.cpp 23812 2012-01-15 19:29:49Z yexo $ */
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     SetDParamStr(2, c->filename);
00050     SetDParamStr(3, c->error->data);
00051     for (uint i = 0; i < lengthof(c->error->param_value); i++) {
00052       SetDParam(4 + i, c->error->param_value[i]);
00053     }
00054     ShowErrorMessage(STR_NEWGRF_ERROR_FATAL_POPUP, INVALID_STRING_ID, WL_CRITICAL);
00055     break;
00056   }
00057 }
00058 
00059 static void ShowNewGRFInfo(const GRFConfig *c, uint x, uint y, uint right, uint bottom, bool show_params)
00060 {
00061   if (c->error != NULL) {
00062     char message[512];
00063     SetDParamStr(0, c->error->custom_message); // is skipped by built-in messages
00064     SetDParamStr(1, c->filename);
00065     SetDParamStr(2, c->error->data);
00066     for (uint i = 0; i < lengthof(c->error->param_value); i++) {
00067       SetDParam(3 + i, c->error->param_value[i]);
00068     }
00069     GetString(message, c->error->custom_message == NULL ? c->error->message : STR_JUST_RAW_STRING, lastof(message));
00070 
00071     SetDParamStr(0, message);
00072     y = DrawStringMultiLine(x, right, y, bottom, c->error->severity);
00073   }
00074 
00075   /* Draw filename or not if it is not known (GRF sent over internet) */
00076   if (c->filename != NULL) {
00077     SetDParamStr(0, c->filename);
00078     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_FILENAME);
00079   }
00080 
00081   /* Prepare and draw GRF ID */
00082   char buff[256];
00083   snprintf(buff, lengthof(buff), "%08X", BSWAP32(c->ident.grfid));
00084   SetDParamStr(0, buff);
00085   y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_GRF_ID);
00086 
00087   if ((_settings_client.gui.newgrf_developer_tools || _settings_client.gui.newgrf_show_old_versions) && c->version != 0) {
00088     SetDParam(0, c->version);
00089     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_VERSION);
00090   }
00091   if ((_settings_client.gui.newgrf_developer_tools || _settings_client.gui.newgrf_show_old_versions) && c->min_loadable_version != 0) {
00092     SetDParam(0, c->min_loadable_version);
00093     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_MIN_VERSION);
00094   }
00095 
00096   /* Prepare and draw MD5 sum */
00097   md5sumToString(buff, lastof(buff), c->ident.md5sum);
00098   SetDParamStr(0, buff);
00099   y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_MD5SUM);
00100 
00101   /* Show GRF parameter list */
00102   if (show_params) {
00103     if (c->num_params > 0) {
00104       GRFBuildParamList(buff, c, lastof(buff));
00105       SetDParam(0, STR_JUST_RAW_STRING);
00106       SetDParamStr(1, buff);
00107     } else {
00108       SetDParam(0, STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY_NONE);
00109     }
00110     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_PARAMETER);
00111 
00112     /* Draw the palette of the NewGRF */
00113     if (c->palette & GRFP_BLT_32BPP) {
00114       SetDParamStr(0, (c->palette & GRFP_USE_WINDOWS) ? "Windows / 32 bpp" : "DOS / 32 bpp");
00115     } else {
00116       SetDParamStr(0, (c->palette & GRFP_USE_WINDOWS) ? "Windows" : "DOS");
00117     }
00118     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_PALETTE);
00119   }
00120 
00121   /* Show flags */
00122   if (c->status == GCS_NOT_FOUND)       y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_NOT_FOUND);
00123   if (c->status == GCS_DISABLED)        y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_DISABLED);
00124   if (HasBit(c->flags, GCF_INVALID))    y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_INCOMPATIBLE);
00125   if (HasBit(c->flags, GCF_COMPATIBLE)) y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_COMPATIBLE_LOADED);
00126 
00127   /* Draw GRF info if it exists */
00128   if (!StrEmpty(c->GetDescription())) {
00129     SetDParam(0, STR_JUST_RAW_STRING);
00130     SetDParamStr(1, c->GetDescription());
00131     y = DrawStringMultiLine(x, right, y, bottom, STR_BLACK_STRING);
00132   } else {
00133     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_NO_INFO);
00134   }
00135 }
00136 
00140 struct NewGRFParametersWindow : public Window {
00141   static GRFParameterInfo dummy_parameter_info; 
00142   GRFConfig *grf_config; 
00143   uint clicked_button;   
00144   bool clicked_increase; 
00145   int timeout;           
00146   uint clicked_row;      
00147   int line_height;       
00148   Scrollbar *vscroll;
00149   bool action14present;  
00150   bool editable;         
00151 
00152   NewGRFParametersWindow(const WindowDesc *desc, GRFConfig *c, bool editable) : Window(),
00153     grf_config(c),
00154     clicked_button(UINT_MAX),
00155     timeout(0),
00156     clicked_row(UINT_MAX),
00157     editable(editable)
00158   {
00159     this->action14present = (c->num_valid_params != lengthof(c->param) || c->param_info.Length() != 0);
00160 
00161     this->CreateNestedTree(desc);
00162     this->vscroll = this->GetScrollbar(WID_NP_SCROLLBAR);
00163     this->GetWidget<NWidgetStacked>(WID_NP_SHOW_NUMPAR)->SetDisplayedPlane(this->action14present ? SZSP_HORIZONTAL : 0);
00164     this->GetWidget<NWidgetStacked>(WID_NP_SHOW_DESCRIPTION)->SetDisplayedPlane(this->action14present ? 0 : SZSP_HORIZONTAL);
00165     this->FinishInitNested(desc);  // Initializes 'this->line_height' as side effect.
00166 
00167     this->SetWidgetDisabledState(WID_NP_RESET, !this->editable);
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         /* Minimum size of 4 lines. The 500 is the default size of the window. */
00211         Dimension suggestion = {500 - WD_FRAMERECT_LEFT - WD_FRAMERECT_RIGHT, FONT_HEIGHT_NORMAL * 4 + WD_TEXTPANEL_TOP + WD_TEXTPANEL_BOTTOM};
00212         for (uint i = 0; i < this->grf_config->param_info.Length(); i++) {
00213           const GRFParameterInfo *par_info = this->grf_config->param_info[i];
00214           if (par_info == NULL) continue;
00215           const char *desc = GetGRFStringFromGRFText(par_info->desc);
00216           if (desc == NULL) continue;
00217           Dimension d = GetStringMultiLineBoundingBox(desc, suggestion);
00218           d.height += WD_TEXTPANEL_TOP + WD_TEXTPANEL_BOTTOM;
00219           suggestion = maxdim(d, suggestion);
00220         }
00221         size->height = suggestion.height;
00222         break;
00223     }
00224   }
00225 
00226   virtual void SetStringParameters(int widget) const
00227   {
00228     switch (widget) {
00229       case WID_NP_NUMPAR:
00230         SetDParam(0, this->vscroll->GetCount());
00231         break;
00232     }
00233   }
00234 
00235   virtual void DrawWidget(const Rect &r, int widget) const
00236   {
00237     if (widget == WID_NP_DESCRIPTION) {
00238       const GRFParameterInfo *par_info = (this->clicked_row < this->grf_config->param_info.Length()) ? this->grf_config->param_info[this->clicked_row] : NULL;
00239       if (par_info == NULL) return;
00240       const char *desc = GetGRFStringFromGRFText(par_info->desc);
00241       if (desc == NULL) return;
00242       DrawStringMultiLine(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_TEXTPANEL_TOP, r.bottom - WD_TEXTPANEL_BOTTOM, desc, TC_BLACK);
00243       return;
00244     } else if (widget != WID_NP_BACKGROUND) {
00245       return;
00246     }
00247 
00248     bool rtl = _current_text_dir == TD_RTL;
00249     uint buttons_left = rtl ? r.right - 23 : r.left + 4;
00250     uint text_left    = r.left + (rtl ? WD_FRAMERECT_LEFT : 28);
00251     uint text_right   = r.right - (rtl ? 28 : WD_FRAMERECT_RIGHT);
00252 
00253     int y = r.top;
00254     for (uint i = this->vscroll->GetPosition(); this->vscroll->IsVisible(i) && i < this->vscroll->GetCount(); i++) {
00255       GRFParameterInfo *par_info = (i < this->grf_config->param_info.Length()) ? this->grf_config->param_info[i] : NULL;
00256       if (par_info == NULL) par_info = GetDummyParameterInfo(i);
00257       uint32 current_value = par_info->GetValue(this->grf_config);
00258       bool selected = (i == this->clicked_row);
00259 
00260       if (par_info->type == PTYPE_BOOL) {
00261         DrawBoolButton(buttons_left, y + 2, current_value != 0, this->editable);
00262         SetDParam(2, par_info->GetValue(this->grf_config) == 0 ? STR_CONFIG_SETTING_OFF : STR_CONFIG_SETTING_ON);
00263       } else if (par_info->type == PTYPE_UINT_ENUM) {
00264         DrawArrowButtons(buttons_left, y + 2, COLOUR_YELLOW, (this->clicked_button == i) ? 1 + (this->clicked_increase != rtl) : 0, this->editable && current_value > par_info->min_value, this->editable && current_value < par_info->max_value);
00265         SetDParam(2, STR_JUST_INT);
00266         SetDParam(3, current_value);
00267         if (par_info->value_names.Contains(current_value)) {
00268           const char *label = GetGRFStringFromGRFText(par_info->value_names.Find(current_value)->second);
00269           if (label != NULL) {
00270             SetDParam(2, STR_JUST_RAW_STRING);
00271             SetDParamStr(3, label);
00272           }
00273         }
00274       }
00275 
00276       const char *name = GetGRFStringFromGRFText(par_info->name);
00277       if (name != NULL) {
00278         SetDParam(0, STR_JUST_RAW_STRING);
00279         SetDParamStr(1, name);
00280       } else {
00281         SetDParam(0, STR_NEWGRF_PARAMETERS_DEFAULT_NAME);
00282         SetDParam(1, i + 1);
00283       }
00284 
00285       DrawString(text_left, text_right, y + WD_MATRIX_TOP, STR_NEWGRF_PARAMETERS_SETTING, selected ? TC_WHITE : TC_LIGHT_BLUE);
00286       y += this->line_height;
00287     }
00288   }
00289 
00290   virtual void OnClick(Point pt, int widget, int click_count)
00291   {
00292     switch (widget) {
00293       case WID_NP_NUMPAR_DEC:
00294         if (this->editable && !this->action14present && this->grf_config->num_params > 0) {
00295           this->grf_config->num_params--;
00296           this->InvalidateData();
00297           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_NEWGRF_STATE);
00298         }
00299         break;
00300 
00301       case WID_NP_NUMPAR_INC: {
00302         GRFConfig *c = this->grf_config;
00303         if (this->editable && !this->action14present && c->num_params < c->num_valid_params) {
00304           c->param[c->num_params++] = 0;
00305           this->InvalidateData();
00306           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_NEWGRF_STATE);
00307         }
00308         break;
00309       }
00310 
00311       case WID_NP_BACKGROUND: {
00312         if (!this->editable) break;
00313         uint num = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_NP_BACKGROUND);
00314         if (num >= this->vscroll->GetCount()) break;
00315         if (this->clicked_row != num) {
00316           DeleteChildWindows(WC_QUERY_STRING);
00317           this->clicked_row = num;
00318         }
00319 
00320         const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_NP_BACKGROUND);
00321         int x = pt.x - wid->pos_x;
00322         if (_current_text_dir == TD_RTL) x = wid->current_x - x;
00323         x -= 4;
00324 
00325         GRFParameterInfo *par_info = (num < this->grf_config->param_info.Length()) ? this->grf_config->param_info[num] : NULL;
00326         if (par_info == NULL) par_info = GetDummyParameterInfo(num);
00327 
00328         /* One of the arrows is clicked */
00329         if (IsInsideMM(x, 0, 21)) {
00330           uint32 val = par_info->GetValue(this->grf_config);
00331           uint32 old_val = val;
00332           if (par_info->type == PTYPE_BOOL) {
00333             val = !val;
00334           } else {
00335             if (x >= 10) {
00336               /* Increase button clicked */
00337               if (val < par_info->max_value) val++;
00338               this->clicked_increase = true;
00339             } else {
00340               /* Decrease button clicked */
00341               if (val > par_info->min_value) val--;
00342               this->clicked_increase = false;
00343             }
00344           }
00345           if (val != old_val) {
00346             par_info->SetValue(this->grf_config, val);
00347 
00348             this->clicked_button = num;
00349             this->timeout = 5;
00350           }
00351         } else if (par_info->type == PTYPE_UINT_ENUM && click_count >= 2) {
00352           /* Display a query box so users can enter a custom value. */
00353           SetDParam(0, this->grf_config->param[num]);
00354           ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, this, CS_NUMERAL, QSF_NONE);
00355         }
00356         this->SetDirty();
00357         break;
00358       }
00359 
00360       case WID_NP_RESET:
00361         if (!this->editable) break;
00362         this->grf_config->SetParameterDefaults();
00363         this->InvalidateData();
00364         SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_NEWGRF_STATE);
00365         break;
00366 
00367       case WID_NP_ACCEPT:
00368         delete this;
00369         break;
00370     }
00371   }
00372 
00373   virtual void OnQueryTextFinished(char *str)
00374   {
00375     if (StrEmpty(str)) return;
00376     int32 value = atoi(str);
00377     GRFParameterInfo *par_info = ((uint)this->clicked_row < this->grf_config->param_info.Length()) ? this->grf_config->param_info[this->clicked_row] : NULL;
00378     if (par_info == NULL) par_info = GetDummyParameterInfo(this->clicked_row);
00379     uint32 val = Clamp<uint32>(value, par_info->min_value, par_info->max_value);
00380     par_info->SetValue(this->grf_config, val);
00381     this->SetDirty();
00382   }
00383 
00384   virtual void OnResize()
00385   {
00386     NWidgetCore *nwi = this->GetWidget<NWidgetCore>(WID_NP_BACKGROUND);
00387     this->vscroll->SetCapacity(nwi->current_y / this->line_height);
00388     nwi->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
00389   }
00390 
00396   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00397   {
00398     if (!gui_scope) return;
00399     if (!this->action14present) {
00400       this->SetWidgetDisabledState(WID_NP_NUMPAR_DEC, !this->editable || this->grf_config->num_params == 0);
00401       this->SetWidgetDisabledState(WID_NP_NUMPAR_INC, !this->editable || this->grf_config->num_params >= this->grf_config->num_valid_params);
00402     }
00403 
00404     this->vscroll->SetCount(this->action14present ? this->grf_config->num_valid_params : this->grf_config->num_params);
00405     if (this->clicked_row != UINT_MAX && this->clicked_row >= this->vscroll->GetCount()) {
00406       this->clicked_row = UINT_MAX;
00407       DeleteChildWindows(WC_QUERY_STRING);
00408     }
00409   }
00410 
00411   virtual void OnTick()
00412   {
00413     if (--this->timeout == 0) {
00414       this->clicked_button = UINT_MAX;
00415       this->SetDirty();
00416     }
00417   }
00418 };
00419 GRFParameterInfo NewGRFParametersWindow::dummy_parameter_info(0);
00420 
00421 
00422 static const NWidgetPart _nested_newgrf_parameter_widgets[] = {
00423   NWidget(NWID_HORIZONTAL),
00424     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
00425     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_PARAMETERS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00426   EndContainer(),
00427   NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NP_SHOW_NUMPAR),
00428     NWidget(WWT_PANEL, COLOUR_MAUVE), SetResize(1, 0), SetFill(1, 0), SetPIP(4, 0, 4),
00429       NWidget(NWID_HORIZONTAL), SetPIP(4, 0, 4),
00430         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_NP_NUMPAR_DEC), SetMinimalSize(12, 12), SetDataTip(AWV_DECREASE, STR_NULL),
00431         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_NP_NUMPAR_INC), SetMinimalSize(12, 12), SetDataTip(AWV_INCREASE, STR_NULL),
00432         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),
00433       EndContainer(),
00434     EndContainer(),
00435   EndContainer(),
00436   NWidget(NWID_HORIZONTAL),
00437     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),
00438     NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_NP_SCROLLBAR),
00439   EndContainer(),
00440   NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NP_SHOW_DESCRIPTION),
00441     NWidget(WWT_PANEL, COLOUR_MAUVE, WID_NP_DESCRIPTION), SetResize(1, 0), SetFill(1, 0),
00442     EndContainer(),
00443   EndContainer(),
00444   NWidget(NWID_HORIZONTAL),
00445     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
00446       NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_NP_ACCEPT), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_NEWGRF_PARAMETERS_CLOSE, STR_NULL),
00447       NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_NP_RESET), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_NEWGRF_PARAMETERS_RESET, STR_NEWGRF_PARAMETERS_RESET_TOOLTIP),
00448     EndContainer(),
00449     NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
00450   EndContainer(),
00451 };
00452 
00454 static const WindowDesc _newgrf_parameters_desc(
00455   WDP_CENTER, 500, 208,
00456   WC_GRF_PARAMETERS, WC_NONE,
00457   WDF_UNCLICK_BUTTONS,
00458   _nested_newgrf_parameter_widgets, lengthof(_nested_newgrf_parameter_widgets)
00459 );
00460 
00461 static void OpenGRFParameterWindow(GRFConfig *c, bool editable)
00462 {
00463   DeleteWindowByClass(WC_GRF_PARAMETERS);
00464   new NewGRFParametersWindow(&_newgrf_parameters_desc, c, editable);
00465 }
00466 
00468 struct NewGRFTextfileWindow : public Window, MissingGlyphSearcher {
00469   const GRFConfig *grf_config;         
00470   TextfileType file_type;              
00471   int line_height;                     
00472   Scrollbar *vscroll;                  
00473   Scrollbar *hscroll;                  
00474   char *text;                          
00475   SmallVector<const char *, 64> lines; 
00476   uint max_length;                     
00477 
00478   static const int TOP_SPACING    = WD_FRAMETEXT_TOP;    
00479   static const int BOTTOM_SPACING = WD_FRAMETEXT_BOTTOM; 
00480 
00481   NewGRFTextfileWindow(const WindowDesc *desc, const GRFConfig *c, TextfileType file_type) : Window(), grf_config(c), file_type(file_type)
00482   {
00483     this->CreateNestedTree(desc);
00484     this->GetWidget<NWidgetCore>(WID_NT_CAPTION)->SetDataTip(STR_NEWGRF_README_CAPTION + file_type, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS);
00485     this->vscroll = this->GetScrollbar(WID_NT_VSCROLLBAR);
00486     this->hscroll = this->GetScrollbar(WID_NT_HSCROLLBAR);
00487     this->FinishInitNested(desc);
00488 
00489     this->LoadTextfile();
00490   }
00491 
00492   ~NewGRFTextfileWindow()
00493   {
00494     free(this->text);
00495   }
00496 
00497   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00498   {
00499     switch (widget) {
00500       case WID_NT_BACKGROUND:
00501         this->line_height = FONT_HEIGHT_MONO + 2;
00502         resize->height = this->line_height;
00503 
00504         size->height = 4 * resize->height + TOP_SPACING + BOTTOM_SPACING; // At least 4 lines are visible.
00505         size->width = max(200u, size->width); // At least 200 pixels wide.
00506         break;
00507     }
00508   }
00509 
00510   virtual void SetStringParameters(int widget) const
00511   {
00512     if (widget == WID_NT_CAPTION) SetDParamStr(0, this->grf_config->GetName());
00513   }
00514 
00515   virtual void DrawWidget(const Rect &r, int widget) const
00516   {
00517     if (widget != WID_NT_BACKGROUND) return;
00518 
00519     int width = r.right - r.left + 1 - WD_BEVEL_LEFT - WD_BEVEL_RIGHT;
00520     int height = r.bottom - r.top + 1 - WD_BEVEL_LEFT - WD_BEVEL_RIGHT;
00521 
00522     DrawPixelInfo new_dpi;
00523     if (!FillDrawPixelInfo(&new_dpi, r.left + WD_BEVEL_LEFT, r.top, width, height)) return;
00524     DrawPixelInfo *old_dpi = _cur_dpi;
00525     _cur_dpi = &new_dpi;
00526 
00527     int left, right;
00528     if (_current_text_dir == TD_RTL) {
00529       left = width + WD_BEVEL_RIGHT - WD_FRAMETEXT_RIGHT - this->hscroll->GetCount();
00530       right = width + WD_BEVEL_RIGHT - WD_FRAMETEXT_RIGHT - 1 + this->hscroll->GetPosition();
00531     } else {
00532       left = WD_FRAMETEXT_LEFT - WD_BEVEL_LEFT - this->hscroll->GetPosition();
00533       right = WD_FRAMETEXT_LEFT - WD_BEVEL_LEFT + this->hscroll->GetCount() - 1;
00534     }
00535     int top = TOP_SPACING;
00536     for (uint i = 0; i < this->vscroll->GetCapacity() && i + this->vscroll->GetPosition() < this->lines.Length(); i++) {
00537       DrawString(left, right, top + i * this->line_height, this->lines[i + this->vscroll->GetPosition()], TC_WHITE, SA_LEFT, false, FS_MONO);
00538     }
00539 
00540     _cur_dpi = old_dpi;
00541   }
00542 
00543   virtual void OnResize()
00544   {
00545     this->vscroll->SetCapacityFromWidget(this, WID_NT_BACKGROUND, TOP_SPACING + BOTTOM_SPACING);
00546     this->hscroll->SetCapacityFromWidget(this, WID_NT_BACKGROUND);
00547   }
00548 
00549 private:
00550   uint search_iterator; 
00551 
00552   /* virtual */ void Reset()
00553   {
00554     this->search_iterator = 0;
00555   }
00556 
00557   FontSize DefaultSize()
00558   {
00559     return FS_MONO;
00560   }
00561 
00562   const char *NextString()
00563   {
00564     if (this->search_iterator >= this->lines.Length()) return NULL;
00565 
00566     return this->lines[this->search_iterator++];
00567   }
00568 
00569   /* virtual */ bool Monospace()
00570   {
00571     return true;
00572   }
00573 
00574   /* virtual */ void SetFontNames(FreeTypeSettings *settings, const char *font_name)
00575   {
00576 #ifdef WITH_FREETYPE
00577     strecpy(settings->mono_font, font_name, lastof(settings->mono_font));
00578 #endif /* WITH_FREETYPE */
00579   }
00580 
00584   void LoadTextfile()
00585   {
00586     this->lines.Clear();
00587 
00588     /* Does GRF have a file of the demanded type? */
00589     const char *textfile = this->grf_config->GetTextfile(file_type);
00590     if (textfile == NULL) return;
00591 
00592     /* Get text from file */
00593     size_t filesize;
00594     FILE *handle = FioFOpenFile(textfile, "rb", NEWGRF_DIR, &filesize);
00595     if (handle == NULL) return;
00596 
00597     this->text = ReallocT(this->text, filesize + 1);
00598     size_t read = fread(this->text, 1, filesize, handle);
00599     fclose(handle);
00600 
00601     if (read != filesize) return;
00602 
00603     this->text[filesize] = '\0';
00604 
00605     /* Replace tabs and line feeds with a space since str_validate removes those. */
00606     for (char *p = this->text; *p != '\0'; p++) {
00607       if (*p == '\t' || *p == '\r') *p = ' ';
00608     }
00609 
00610     /* Check for the byte-order-mark, and skip it if needed. */
00611     char *p = this->text + (strncmp("\xEF\xBB\xBF", this->text, 3) == 0 ? 3 : 0);
00612 
00613     /* Make sure the string is a valid UTF-8 sequence. */
00614     str_validate(p, this->text + filesize, SVS_REPLACE_WITH_QUESTION_MARK | SVS_ALLOW_NEWLINE);
00615 
00616     /* Split the string on newlines. */
00617     *this->lines.Append() = p;
00618     for (; *p != '\0'; p++) {
00619       if (*p == '\n') {
00620         *p = '\0';
00621         *this->lines.Append() = p + 1;
00622       }
00623     }
00624 
00625     CheckForMissingGlyphs(true, this);
00626 
00627     /* Initialize scrollbars */
00628     this->vscroll->SetCount(this->lines.Length());
00629 
00630     this->max_length = 0;
00631     for (uint i = 0; i < this->lines.Length(); i++) {
00632       this->max_length = max(this->max_length, GetStringBoundingBox(this->lines[i], FS_MONO).width);
00633     }
00634     this->hscroll->SetCount(this->max_length + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT);
00635     this->hscroll->SetStepSize(10); // Speed up horizontal scrollbar
00636   }
00637 };
00638 
00639 static const NWidgetPart _nested_newgrf_textfile_widgets[] = {
00640   NWidget(NWID_HORIZONTAL),
00641     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
00642     NWidget(WWT_CAPTION, COLOUR_MAUVE, WID_NT_CAPTION), SetDataTip(STR_NULL, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00643   EndContainer(),
00644   NWidget(NWID_HORIZONTAL),
00645     NWidget(WWT_PANEL, COLOUR_MAUVE, WID_NT_BACKGROUND), SetMinimalSize(200, 125), SetResize(1, 12), SetScrollbar(WID_NT_VSCROLLBAR),
00646     EndContainer(),
00647     NWidget(NWID_VERTICAL),
00648       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_NT_VSCROLLBAR),
00649     EndContainer(),
00650   EndContainer(),
00651   NWidget(NWID_HORIZONTAL),
00652     NWidget(NWID_HSCROLLBAR, COLOUR_MAUVE, WID_NT_HSCROLLBAR),
00653     NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
00654   EndContainer(),
00655 };
00656 
00658 static const WindowDesc _newgrf_textfile_desc(
00659   WDP_CENTER, 630, 460,
00660   WC_NEWGRF_TEXTFILE, WC_NONE,
00661   WDF_UNCLICK_BUTTONS,
00662   _nested_newgrf_textfile_widgets, lengthof(_nested_newgrf_textfile_widgets)
00663 );
00664 
00665 void ShowNewGRFTextfileWindow(const GRFConfig *c, TextfileType file_type)
00666 {
00667   DeleteWindowByClass(WC_NEWGRF_TEXTFILE);
00668   new NewGRFTextfileWindow(&_newgrf_textfile_desc, c, file_type);
00669 }
00670 
00671 static GRFPresetList _grf_preset_list;
00672 
00673 class DropDownListPresetItem : public DropDownListItem {
00674 public:
00675   DropDownListPresetItem(int result) : DropDownListItem(result, false) {}
00676 
00677   virtual ~DropDownListPresetItem() {}
00678 
00679   bool Selectable() const
00680   {
00681     return true;
00682   }
00683 
00684   void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const
00685   {
00686     DrawString(left + 2, right + 2, top, _grf_preset_list[this->result], sel ? TC_WHITE : TC_BLACK);
00687   }
00688 };
00689 
00690 static void NewGRFConfirmationCallback(Window *w, bool confirmed);
00691 
00695 struct NewGRFWindow : public QueryStringBaseWindow, NewGRFScanCallback {
00696   typedef GUIList<const GRFConfig *> GUIGRFConfigList;
00697 
00698   static const uint EDITBOX_MAX_SIZE   =  50;
00699 
00700   static Listing   last_sorting;   
00701   static Filtering last_filtering; 
00702   static GUIGRFConfigList::SortFunction   * const sorter_funcs[]; 
00703   static GUIGRFConfigList::FilterFunction * const filter_funcs[]; 
00704 
00705   GUIGRFConfigList avails;    
00706   const GRFConfig *avail_sel; 
00707   int avail_pos;              
00708 
00709   GRFConfig *actives;         
00710   GRFConfig *active_sel;      
00711 
00712   GRFConfig **orig_list;      
00713   bool editable;              
00714   bool show_params;           
00715   bool execute;               
00716   int preset;                 
00717 
00718   Scrollbar *vscroll;
00719   Scrollbar *vscroll2;
00720 
00721   NewGRFWindow(const WindowDesc *desc, bool editable, bool show_params, bool execute, GRFConfig **orig_list) : QueryStringBaseWindow(EDITBOX_MAX_SIZE)
00722   {
00723     this->avail_sel   = NULL;
00724     this->avail_pos   = -1;
00725     this->active_sel  = NULL;
00726     this->actives     = NULL;
00727     this->orig_list   = orig_list;
00728     this->editable    = editable;
00729     this->execute     = execute;
00730     this->show_params = show_params;
00731     this->preset      = -1;
00732 
00733     CopyGRFConfigList(&this->actives, *orig_list, false);
00734     GetGRFPresetList(&_grf_preset_list);
00735 
00736     this->CreateNestedTree(desc);
00737     this->vscroll = this->GetScrollbar(WID_NS_SCROLLBAR);
00738     this->vscroll2 = this->GetScrollbar(WID_NS_SCROLL2BAR);
00739 
00740     this->GetWidget<NWidgetStacked>(WID_NS_SHOW_REMOVE)->SetDisplayedPlane(this->editable ? 0 : 1);
00741     this->GetWidget<NWidgetStacked>(WID_NS_SHOW_APPLY)->SetDisplayedPlane(this->editable ? 0 : this->show_params ? 1 : SZSP_HORIZONTAL);
00742     this->FinishInitNested(desc, WN_GAME_OPTIONS_NEWGRF_STATE);
00743 
00744     InitializeTextBuffer(&this->text, this->edit_str_buf, this->edit_str_size);
00745     this->SetFocusedWidget(WID_NS_FILTER);
00746 
00747     this->avails.SetListing(this->last_sorting);
00748     this->avails.SetFiltering(this->last_filtering);
00749     this->avails.SetSortFuncs(this->sorter_funcs);
00750     this->avails.SetFilterFuncs(this->filter_funcs);
00751     this->avails.ForceRebuild();
00752 
00753     this->OnInvalidateData(GOID_NEWGRF_LIST_EDITED);
00754   }
00755 
00756   ~NewGRFWindow()
00757   {
00758     DeleteWindowByClass(WC_GRF_PARAMETERS);
00759     DeleteWindowByClass(WC_NEWGRF_TEXTFILE);
00760 
00761     if (this->editable && !this->execute) {
00762       CopyGRFConfigList(this->orig_list, this->actives, true);
00763       ResetGRFConfig(false);
00764       ReloadNewGRFData();
00765     }
00766 
00767     /* Remove the temporary copy of grf-list used in window */
00768     ClearGRFConfigList(&this->actives);
00769     _grf_preset_list.Clear();
00770   }
00771 
00772   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00773   {
00774     switch (widget) {
00775       case WID_NS_FILE_LIST:
00776       {
00777         Dimension d = maxdim(GetSpriteSize(SPR_SQUARE), GetSpriteSize(SPR_WARNING_SIGN));
00778         resize->height = max(d.height + 2U, FONT_HEIGHT_NORMAL + 2U);
00779         size->height = max(size->height, WD_FRAMERECT_TOP + 6 * resize->height + WD_FRAMERECT_BOTTOM);
00780         break;
00781       }
00782 
00783       case WID_NS_AVAIL_LIST:
00784         resize->height = max(12, FONT_HEIGHT_NORMAL + 2);
00785         size->height = max(size->height, WD_FRAMERECT_TOP + 8 * resize->height + WD_FRAMERECT_BOTTOM);
00786         break;
00787 
00788       case WID_NS_NEWGRF_INFO_TITLE: {
00789         Dimension dim = GetStringBoundingBox(STR_NEWGRF_SETTINGS_INFO_TITLE);
00790         size->height = max(size->height, dim.height + WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM);
00791         size->width  = max(size->width,  dim.width  + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT);
00792         break;
00793       }
00794 
00795       case WID_NS_NEWGRF_INFO:
00796         size->height = max(size->height, WD_FRAMERECT_TOP + 10 * FONT_HEIGHT_NORMAL + WD_FRAMERECT_BOTTOM + padding.height + 2);
00797         break;
00798 
00799       case WID_NS_PRESET_LIST: {
00800         Dimension d = GetStringBoundingBox(STR_NUM_CUSTOM);
00801         for (uint i = 0; i < _grf_preset_list.Length(); i++) {
00802           if (_grf_preset_list[i] != NULL) {
00803             SetDParamStr(0, _grf_preset_list[i]);
00804             d = maxdim(d, GetStringBoundingBox(STR_JUST_RAW_STRING));
00805           }
00806         }
00807         d.width += padding.width;
00808         *size = maxdim(d, *size);
00809         break;
00810       }
00811 
00812       case WID_NS_CONTENT_DOWNLOAD:
00813       case WID_NS_CONTENT_DOWNLOAD2: {
00814         Dimension d = GetStringBoundingBox(STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_BUTTON);
00815         *size = maxdim(d, GetStringBoundingBox(STR_INTRO_ONLINE_CONTENT));
00816         size->width  += padding.width;
00817         size->height += padding.height;
00818         break;
00819       }
00820     }
00821   }
00822 
00823   virtual void OnResize()
00824   {
00825     this->vscroll->SetCapacityFromWidget(this, WID_NS_FILE_LIST);
00826     this->vscroll2->SetCapacityFromWidget(this, WID_NS_AVAIL_LIST);
00827   }
00828 
00829   virtual void SetStringParameters(int widget) const
00830   {
00831     switch (widget) {
00832       case WID_NS_PRESET_LIST:
00833         if (this->preset == -1) {
00834           SetDParam(0, STR_NUM_CUSTOM);
00835         } else {
00836           SetDParam(0, STR_JUST_RAW_STRING);
00837           SetDParamStr(1, _grf_preset_list[this->preset]);
00838         }
00839         break;
00840     }
00841   }
00842 
00843   virtual void OnPaint()
00844   {
00845     this->DrawWidgets();
00846     if (this->editable) this->DrawEditBox(WID_NS_FILTER);
00847   }
00848 
00854   inline PaletteID GetPalette(const GRFConfig *c) const
00855   {
00856     PaletteID pal;
00857 
00858     /* Pick a colour */
00859     switch (c->status) {
00860       case GCS_NOT_FOUND:
00861       case GCS_DISABLED:
00862         pal = PALETTE_TO_RED;
00863         break;
00864       case GCS_ACTIVATED:
00865         pal = PALETTE_TO_GREEN;
00866         break;
00867       default:
00868         pal = PALETTE_TO_BLUE;
00869         break;
00870     }
00871 
00872     /* Do not show a "not-failure" colour when it actually failed to load */
00873     if (pal != PALETTE_TO_RED) {
00874       if (HasBit(c->flags, GCF_STATIC)) {
00875         pal = PALETTE_TO_GREY;
00876       } else if (HasBit(c->flags, GCF_COMPATIBLE)) {
00877         pal = PALETTE_TO_ORANGE;
00878       }
00879     }
00880 
00881     return pal;
00882   }
00883 
00884   virtual void DrawWidget(const Rect &r, int widget) const
00885   {
00886     switch (widget) {
00887       case WID_NS_FILE_LIST: {
00888         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK);
00889 
00890         uint step_height = this->GetWidget<NWidgetBase>(WID_NS_FILE_LIST)->resize_y;
00891         uint y = r.top + WD_FRAMERECT_TOP;
00892         Dimension square = GetSpriteSize(SPR_SQUARE);
00893         Dimension warning = GetSpriteSize(SPR_WARNING_SIGN);
00894         int square_offset_y = (step_height - square.height) / 2;
00895         int warning_offset_y = (step_height - warning.height) / 2;
00896         int offset_y = (step_height - FONT_HEIGHT_NORMAL) / 2;
00897 
00898         bool rtl = _current_text_dir == TD_RTL;
00899         uint text_left    = rtl ? r.left + WD_FRAMERECT_LEFT : r.left + square.width + 15;
00900         uint text_right   = rtl ? r.right - square.width - 15 : r.right - WD_FRAMERECT_RIGHT;
00901         uint square_left  = rtl ? r.right - square.width - 5 : r.left + 5;
00902         uint warning_left = rtl ? r.right - square.width - warning.width - 10 : r.left + square.width + 10;
00903 
00904         int i = 0;
00905         for (const GRFConfig *c = this->actives; c != NULL; c = c->next, i++) {
00906           if (this->vscroll->IsVisible(i)) {
00907             const char *text = c->GetName();
00908             bool h = (this->active_sel == c);
00909             PaletteID pal = this->GetPalette(c);
00910 
00911             if (h) GfxFillRect(r.left + 1, y, r.right - 1, y + step_height - 1, PC_DARK_BLUE);
00912             DrawSprite(SPR_SQUARE, pal, square_left, y + square_offset_y);
00913             if (c->error != NULL) DrawSprite(SPR_WARNING_SIGN, 0, warning_left, y + warning_offset_y);
00914             uint txtoffset = c->error == NULL ? 0 : warning.width;
00915             DrawString(text_left + (rtl ? 0 : txtoffset), text_right - (rtl ? txtoffset : 0), y + offset_y, text, h ? TC_WHITE : TC_ORANGE);
00916             y += step_height;
00917           }
00918         }
00919         break;
00920       }
00921 
00922       case WID_NS_AVAIL_LIST: {
00923         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK);
00924 
00925         uint step_height = this->GetWidget<NWidgetBase>(WID_NS_AVAIL_LIST)->resize_y;
00926         int offset_y = (step_height - FONT_HEIGHT_NORMAL) / 2;
00927         uint y = r.top + WD_FRAMERECT_TOP;
00928         uint min_index = this->vscroll2->GetPosition();
00929         uint max_index = min(min_index + this->vscroll2->GetCapacity(), this->avails.Length());
00930 
00931         for (uint i = min_index; i < max_index; i++) {
00932           const GRFConfig *c = this->avails[i];
00933           bool h = (c == this->avail_sel);
00934           const char *text = c->GetName();
00935 
00936           if (h) GfxFillRect(r.left + 1, y, r.right - 1, y + step_height - 1, PC_DARK_BLUE);
00937           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y + offset_y, text, h ? TC_WHITE : TC_SILVER);
00938           y += step_height;
00939         }
00940         break;
00941       }
00942 
00943       case WID_NS_NEWGRF_INFO_TITLE:
00944         /* Create the nice grayish rectangle at the details top. */
00945         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_DARK_BLUE);
00946         DrawString(r.left, r.right, (r.top + r.bottom - FONT_HEIGHT_NORMAL) / 2, STR_NEWGRF_SETTINGS_INFO_TITLE, TC_FROMSTRING, SA_HOR_CENTER);
00947         break;
00948 
00949       case WID_NS_NEWGRF_INFO: {
00950         const GRFConfig *selected = this->active_sel;
00951         if (selected == NULL) selected = this->avail_sel;
00952         if (selected != NULL) {
00953           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);
00954         }
00955         break;
00956       }
00957     }
00958   }
00959 
00960   virtual void OnClick(Point pt, int widget, int click_count)
00961   {
00962     if (widget >= WID_NS_NEWGRF_TEXTFILE && widget < WID_NS_NEWGRF_TEXTFILE + TFT_END) {
00963       if (this->active_sel == NULL && this->avail_sel == NULL) return;
00964 
00965       ShowNewGRFTextfileWindow(this->active_sel != NULL ? this->active_sel : this->avail_sel, (TextfileType)(widget - WID_NS_NEWGRF_TEXTFILE));
00966       return;
00967     }
00968 
00969     switch (widget) {
00970       case WID_NS_PRESET_LIST: {
00971         DropDownList *list = new DropDownList();
00972 
00973         /* Add 'None' option for clearing list */
00974         list->push_back(new DropDownListStringItem(STR_NONE, -1, false));
00975 
00976         for (uint i = 0; i < _grf_preset_list.Length(); i++) {
00977           if (_grf_preset_list[i] != NULL) {
00978             list->push_back(new DropDownListPresetItem(i));
00979           }
00980         }
00981 
00982         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00983         ShowDropDownList(this, list, this->preset, WID_NS_PRESET_LIST);
00984         break;
00985       }
00986 
00987       case WID_NS_OPEN_URL: {
00988         const GRFConfig *c = (this->avail_sel == NULL) ? this->active_sel : this->avail_sel;
00989 
00990         extern void OpenBrowser(const char *url);
00991         OpenBrowser(c->GetURL());
00992         break;
00993       }
00994 
00995       case WID_NS_PRESET_SAVE:
00996         ShowQueryString(STR_EMPTY, STR_NEWGRF_SETTINGS_PRESET_SAVE_QUERY, 32, this, CS_ALPHANUMERAL, QSF_NONE);
00997         break;
00998 
00999       case WID_NS_PRESET_DELETE:
01000         if (this->preset == -1) return;
01001 
01002         DeleteGRFPresetFromConfig(_grf_preset_list[this->preset]);
01003         GetGRFPresetList(&_grf_preset_list);
01004         this->preset = -1;
01005         this->InvalidateData();
01006         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
01007         break;
01008 
01009       case WID_NS_MOVE_UP: { // Move GRF up
01010         if (this->active_sel == NULL || !this->editable) break;
01011 
01012         int pos = 0;
01013         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next, pos++) {
01014           GRFConfig *c = *pc;
01015           if (c->next == this->active_sel) {
01016             c->next = this->active_sel->next;
01017             this->active_sel->next = c;
01018             *pc = this->active_sel;
01019             break;
01020           }
01021         }
01022         this->vscroll->ScrollTowards(pos);
01023         this->preset = -1;
01024         this->InvalidateData();
01025         break;
01026       }
01027 
01028       case WID_NS_MOVE_DOWN: { // Move GRF down
01029         if (this->active_sel == NULL || !this->editable) break;
01030 
01031         int pos = 1; // Start at 1 as we swap the selected newgrf with the next one
01032         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next, pos++) {
01033           GRFConfig *c = *pc;
01034           if (c == this->active_sel) {
01035             *pc = c->next;
01036             c->next = c->next->next;
01037             (*pc)->next = c;
01038             break;
01039           }
01040         }
01041         this->vscroll->ScrollTowards(pos);
01042         this->preset = -1;
01043         this->InvalidateData();
01044         break;
01045       }
01046 
01047       case WID_NS_FILE_LIST: { // Select an active GRF.
01048         uint i = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_NS_FILE_LIST);
01049 
01050         GRFConfig *c;
01051         for (c = this->actives; c != NULL && i > 0; c = c->next, i--) {}
01052 
01053         if (this->active_sel != c) DeleteWindowByClass(WC_GRF_PARAMETERS);
01054         this->active_sel = c;
01055         this->avail_sel = NULL;
01056         this->avail_pos = -1;
01057 
01058         this->InvalidateData();
01059         if (click_count == 1) break;
01060         /* FALL THROUGH, with double click. */
01061       }
01062 
01063       case WID_NS_REMOVE: { // Remove GRF
01064         if (this->active_sel == NULL || !this->editable) break;
01065         DeleteWindowByClass(WC_GRF_PARAMETERS);
01066 
01067         /* Choose the next GRF file to be the selected file. */
01068         GRFConfig *newsel = this->active_sel->next;
01069         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next) {
01070           GRFConfig *c = *pc;
01071           /* If the new selection is empty (i.e. we're deleting the last item
01072            * in the list, pick the file just before the selected file */
01073           if (newsel == NULL && c->next == this->active_sel) newsel = c;
01074 
01075           if (c == this->active_sel) {
01076             *pc = c->next;
01077             delete c;
01078             break;
01079           }
01080         }
01081 
01082         this->active_sel = newsel;
01083         this->preset = -1;
01084         this->avail_pos = -1;
01085         this->avail_sel = NULL;
01086         this->avails.ForceRebuild();
01087         this->InvalidateData(GOID_NEWGRF_LIST_EDITED);
01088         break;
01089       }
01090 
01091       case WID_NS_AVAIL_LIST: { // Select a non-active GRF.
01092         uint i = this->vscroll2->GetScrolledRowFromWidget(pt.y, this, WID_NS_AVAIL_LIST);
01093         this->active_sel = NULL;
01094         DeleteWindowByClass(WC_GRF_PARAMETERS);
01095         if (i < this->avails.Length()) {
01096           this->avail_sel = this->avails[i];
01097           this->avail_pos = i;
01098         }
01099         this->InvalidateData();
01100         if (click_count == 1) break;
01101         /* FALL THROUGH, with double click. */
01102       }
01103 
01104       case WID_NS_ADD: {
01105         if (this->avail_sel == NULL || !this->editable || HasBit(this->avail_sel->flags, GCF_INVALID)) break;
01106 
01107         GRFConfig **list;
01108         /* Find last entry in the list, checking for duplicate grfid on the way */
01109         for (list = &this->actives; *list != NULL; list = &(*list)->next) {
01110           if ((*list)->ident.grfid == this->avail_sel->ident.grfid) {
01111             ShowErrorMessage(STR_NEWGRF_DUPLICATE_GRFID, INVALID_STRING_ID, WL_INFO);
01112             return;
01113           }
01114         }
01115 
01116         GRFConfig *c = new GRFConfig(*this->avail_sel); // Copy GRF details from scanned list.
01117         c->SetParameterDefaults();
01118         *list = c; // Append GRF config to configuration list.
01119 
01120         /* Select next (or previous, if last one) item in the list. */
01121         int new_pos = this->avail_pos + 1;
01122         if (new_pos >= (int)this->avails.Length()) new_pos = this->avail_pos - 1;
01123         this->avail_pos = new_pos;
01124         if (new_pos >= 0) this->avail_sel = this->avails[new_pos];
01125 
01126         this->avails.ForceRebuild();
01127         this->InvalidateData(GOID_NEWGRF_LIST_EDITED);
01128         break;
01129       }
01130 
01131       case WID_NS_APPLY_CHANGES: // Apply changes made to GRF list
01132         if (!this->editable) break;
01133         if (this->execute) {
01134           ShowQuery(
01135             STR_NEWGRF_POPUP_CAUTION_CAPTION,
01136             STR_NEWGRF_CONFIRMATION_TEXT,
01137             this,
01138             NewGRFConfirmationCallback
01139           );
01140         } else {
01141           CopyGRFConfigList(this->orig_list, this->actives, true);
01142           ResetGRFConfig(false);
01143           ReloadNewGRFData();
01144         }
01145         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
01146         break;
01147 
01148       case WID_NS_VIEW_PARAMETERS:
01149       case WID_NS_SET_PARAMETERS: { // Edit parameters
01150         if (this->active_sel == NULL || !this->show_params || this->active_sel->num_valid_params == 0) break;
01151 
01152         OpenGRFParameterWindow(this->active_sel, this->editable);
01153         break;
01154       }
01155 
01156       case WID_NS_TOGGLE_PALETTE:
01157         if (this->active_sel != NULL || !this->editable) {
01158           this->active_sel->palette ^= GRFP_USE_MASK;
01159           this->SetDirty();
01160         }
01161         break;
01162 
01163       case WID_NS_CONTENT_DOWNLOAD:
01164       case WID_NS_CONTENT_DOWNLOAD2:
01165         if (!_network_available) {
01166           ShowErrorMessage(STR_NETWORK_ERROR_NOTAVAILABLE, INVALID_STRING_ID, WL_ERROR);
01167         } else {
01168 #if defined(ENABLE_NETWORK)
01169           this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
01170 
01171           ShowMissingContentWindow(this->actives);
01172 #endif
01173         }
01174         break;
01175 
01176       case WID_NS_RESCAN_FILES:
01177       case WID_NS_RESCAN_FILES2:
01178         ScanNewGRFFiles(this);
01179         break;
01180     }
01181   }
01182 
01183   virtual void OnNewGRFsScanned()
01184   {
01185     this->avail_sel = NULL;
01186     this->avail_pos = -1;
01187     this->avails.ForceRebuild();
01188     this->DeleteChildWindows(WC_QUERY_STRING);  // Remove the parameter query window
01189     this->DeleteChildWindows(WC_NEWGRF_TEXTFILE); // Remove the view textfile window
01190   }
01191 
01192   virtual void OnDropdownSelect(int widget, int index)
01193   {
01194     if (!this->editable) return;
01195 
01196     ClearGRFConfigList(&this->actives);
01197     this->preset = index;
01198 
01199     if (index != -1) {
01200       this->actives = LoadGRFPresetFromConfig(_grf_preset_list[index]);
01201     }
01202     this->avails.ForceRebuild();
01203 
01204     DeleteWindowByClass(WC_GRF_PARAMETERS);
01205     this->active_sel = NULL;
01206     this->InvalidateData(GOID_NEWGRF_PRESET_LOADED);
01207   }
01208 
01209   virtual void OnQueryTextFinished(char *str)
01210   {
01211     if (str == NULL) return;
01212 
01213     SaveGRFPresetToConfig(str, this->actives);
01214     GetGRFPresetList(&_grf_preset_list);
01215 
01216     /* Switch to this preset */
01217     for (uint i = 0; i < _grf_preset_list.Length(); i++) {
01218       if (_grf_preset_list[i] != NULL && strcmp(_grf_preset_list[i], str) == 0) {
01219         this->preset = i;
01220         break;
01221       }
01222     }
01223 
01224     this->InvalidateData();
01225   }
01226 
01232   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
01233   {
01234     if (!gui_scope) return;
01235     switch (data) {
01236       default:
01237         /* Nothing important to do */
01238         break;
01239 
01240       case GOID_NEWGRF_RESCANNED:
01241         /* Search the list for items that are now found and mark them as such. */
01242         for (GRFConfig **l = &this->actives; *l != NULL; l = &(*l)->next) {
01243           GRFConfig *c = *l;
01244           bool compatible = HasBit(c->flags, GCF_COMPATIBLE);
01245           if (c->status != GCS_NOT_FOUND && !compatible) continue;
01246 
01247           const GRFConfig *f = FindGRFConfig(c->ident.grfid, FGCM_EXACT, compatible ? c->original_md5sum : c->ident.md5sum);
01248           if (f == NULL || HasBit(f->flags, GCF_INVALID)) continue;
01249 
01250           *l = new GRFConfig(*f);
01251           (*l)->next = c->next;
01252 
01253           if (active_sel == c) active_sel = *l;
01254 
01255           delete c;
01256         }
01257 
01258         this->avails.ForceRebuild();
01259         /* FALL THROUGH */
01260       case GOID_NEWGRF_LIST_EDITED:
01261         this->preset = -1;
01262         /* FALL THROUGH */
01263       case GOID_NEWGRF_PRESET_LOADED: {
01264         /* Update scrollbars */
01265         int i = 0;
01266         for (const GRFConfig *c = this->actives; c != NULL; c = c->next, i++) {}
01267 
01268         this->vscroll->SetCapacityFromWidget(this, WID_NS_FILE_LIST);
01269         this->vscroll->SetCount(i);
01270 
01271         this->vscroll2->SetCapacityFromWidget(this, WID_NS_AVAIL_LIST);
01272         if (this->avail_pos >= 0) this->vscroll2->ScrollTowards(this->avail_pos);
01273         break;
01274       }
01275     }
01276 
01277     this->BuildAvailables();
01278 
01279     this->SetWidgetsDisabledState(!this->editable,
01280       WID_NS_PRESET_LIST,
01281       WID_NS_APPLY_CHANGES,
01282       WID_NS_TOGGLE_PALETTE,
01283       WIDGET_LIST_END
01284     );
01285     this->SetWidgetDisabledState(WID_NS_ADD, !this->editable || this->avail_sel == NULL || HasBit(this->avail_sel->flags, GCF_INVALID));
01286 
01287     bool disable_all = this->active_sel == NULL || !this->editable;
01288     this->SetWidgetsDisabledState(disable_all,
01289       WID_NS_REMOVE,
01290       WID_NS_MOVE_UP,
01291       WID_NS_MOVE_DOWN,
01292       WIDGET_LIST_END
01293     );
01294 
01295     const GRFConfig *c = (this->avail_sel == NULL) ? this->active_sel : this->avail_sel;
01296     for (TextfileType tft = TFT_BEGIN; tft < TFT_END; tft++) {
01297       this->SetWidgetDisabledState(WID_NS_NEWGRF_TEXTFILE + tft, c == NULL || c->GetTextfile(tft) == NULL);
01298     }
01299     this->SetWidgetDisabledState(WID_NS_OPEN_URL, c == NULL || StrEmpty(c->GetURL()));
01300 
01301     this->SetWidgetDisabledState(WID_NS_SET_PARAMETERS, !this->show_params || this->active_sel == NULL || this->active_sel->num_valid_params == 0);
01302     this->SetWidgetDisabledState(WID_NS_VIEW_PARAMETERS, !this->show_params || this->active_sel == NULL || this->active_sel->num_valid_params == 0);
01303     this->SetWidgetDisabledState(WID_NS_TOGGLE_PALETTE, disable_all);
01304 
01305     if (!disable_all) {
01306       /* All widgets are now enabled, so disable widgets we can't use */
01307       if (this->active_sel == this->actives)    this->DisableWidget(WID_NS_MOVE_UP);
01308       if (this->active_sel->next == NULL)       this->DisableWidget(WID_NS_MOVE_DOWN);
01309       if (this->active_sel->IsOpenTTDBaseGRF()) this->DisableWidget(WID_NS_REMOVE);
01310     }
01311 
01312     this->SetWidgetDisabledState(WID_NS_PRESET_DELETE, this->preset == -1);
01313 
01314     bool has_missing = false;
01315     bool has_compatible = false;
01316     for (const GRFConfig *c = this->actives; !has_missing && c != NULL; c = c->next) {
01317       has_missing    |= c->status == GCS_NOT_FOUND;
01318       has_compatible |= HasBit(c->flags, GCF_COMPATIBLE);
01319     }
01320     uint16 widget_data;
01321     StringID tool_tip;
01322     if (has_missing || has_compatible) {
01323       widget_data = STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_BUTTON;
01324       tool_tip    = STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_TOOLTIP;
01325     } else {
01326       widget_data = STR_INTRO_ONLINE_CONTENT;
01327       tool_tip    = STR_INTRO_TOOLTIP_ONLINE_CONTENT;
01328     }
01329     this->GetWidget<NWidgetCore>(WID_NS_CONTENT_DOWNLOAD)->widget_data  = widget_data;
01330     this->GetWidget<NWidgetCore>(WID_NS_CONTENT_DOWNLOAD)->tool_tip     = tool_tip;
01331     this->GetWidget<NWidgetCore>(WID_NS_CONTENT_DOWNLOAD2)->widget_data = widget_data;
01332     this->GetWidget<NWidgetCore>(WID_NS_CONTENT_DOWNLOAD2)->tool_tip    = tool_tip;
01333 
01334     this->SetWidgetDisabledState(WID_NS_PRESET_SAVE, has_missing);
01335   }
01336 
01337   virtual void OnMouseLoop()
01338   {
01339     if (this->editable) this->HandleEditBox(WID_NS_FILTER);
01340   }
01341 
01342   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
01343   {
01344     if (!this->editable) return ES_NOT_HANDLED;
01345 
01346     switch (keycode) {
01347       case WKC_UP:
01348         /* scroll up by one */
01349         if (this->avail_pos > 0) this->avail_pos--;
01350         break;
01351 
01352       case WKC_DOWN:
01353         /* scroll down by one */
01354         if (this->avail_pos < (int)this->avails.Length() - 1) this->avail_pos++;
01355         break;
01356 
01357       case WKC_PAGEUP:
01358         /* scroll up a page */
01359         this->avail_pos = (this->avail_pos < this->vscroll2->GetCapacity()) ? 0 : this->avail_pos - this->vscroll2->GetCapacity();
01360         break;
01361 
01362       case WKC_PAGEDOWN:
01363         /* scroll down a page */
01364         this->avail_pos = min(this->avail_pos + this->vscroll2->GetCapacity(), (int)this->avails.Length() - 1);
01365         break;
01366 
01367       case WKC_HOME:
01368         /* jump to beginning */
01369         this->avail_pos = 0;
01370         break;
01371 
01372       case WKC_END:
01373         /* jump to end */
01374         this->avail_pos = this->avails.Length() - 1;
01375         break;
01376 
01377       default: {
01378         /* Handle editbox input */
01379         EventState state = ES_NOT_HANDLED;
01380         if (this->HandleEditBoxKey(WID_NS_FILTER, key, keycode, state) == HEBR_EDITING) {
01381           this->OnOSKInput(WID_NS_FILTER);
01382         }
01383         return state;
01384       }
01385     }
01386 
01387     if (this->avails.Length() == 0) this->avail_pos = -1;
01388     if (this->avail_pos >= 0) {
01389       this->avail_sel = this->avails[this->avail_pos];
01390       this->vscroll2->ScrollTowards(this->avail_pos);
01391       this->InvalidateData(0);
01392     }
01393 
01394     return ES_HANDLED;
01395   }
01396 
01397   virtual void OnOSKInput(int wid)
01398   {
01399     if (!this->editable) return;
01400 
01401     this->avails.SetFilterState(!StrEmpty(this->edit_str_buf));
01402     this->avails.ForceRebuild();
01403     this->InvalidateData(0);
01404   }
01405 
01406 private:
01408   static int CDECL NameSorter(const GRFConfig * const *a, const GRFConfig * const *b)
01409   {
01410     int i = strnatcmp((*a)->GetName(), (*b)->GetName()); // Sort by name (natural sorting).
01411     if (i != 0) return i;
01412 
01413     i = (*a)->version - (*b)->version;
01414     if (i != 0) return i;
01415 
01416     return memcmp((*a)->ident.md5sum, (*b)->ident.md5sum, lengthof((*b)->ident.md5sum));
01417   }
01418 
01420   static bool CDECL TagNameFilter(const GRFConfig * const *a, const char *filter_string)
01421   {
01422     if (strcasestr((*a)->GetName(), filter_string) != NULL) return true;
01423     if ((*a)->filename != NULL && strcasestr((*a)->filename, filter_string) != NULL) return true;
01424     if ((*a)->GetDescription() != NULL && strcasestr((*a)->GetDescription(), filter_string) != NULL) return true;
01425     return false;
01426   }
01427 
01428   void BuildAvailables()
01429   {
01430     if (!this->avails.NeedRebuild()) return;
01431 
01432     this->avails.Clear();
01433 
01434     for (const GRFConfig *c = _all_grfs; c != NULL; c = c->next) {
01435       bool found = false;
01436       for (const GRFConfig *grf = this->actives; grf != NULL && !found; grf = grf->next) found = grf->ident.HasGrfIdentifier(c->ident.grfid, c->ident.md5sum);
01437       if (found) continue;
01438 
01439       if (_settings_client.gui.newgrf_show_old_versions) {
01440         *this->avails.Append() = c;
01441       } else {
01442         const GRFConfig *best = FindGRFConfig(c->ident.grfid, HasBit(c->flags, GCF_INVALID) ? FGCM_NEWEST : FGCM_NEWEST_VALID);
01443         /*
01444          * If the best version is 0, then all NewGRF with this GRF ID
01445          * have version 0, so for backward compatability reasons we
01446          * want to show them all.
01447          * If we are the best version, then we definitely want to
01448          * show that NewGRF!.
01449          */
01450         if (best->version == 0 || best->ident.HasGrfIdentifier(c->ident.grfid, c->ident.md5sum)) {
01451           *this->avails.Append() = c;
01452         }
01453       }
01454     }
01455 
01456     this->avails.Filter(this->edit_str_buf);
01457     this->avails.Compact();
01458     this->avails.RebuildDone();
01459     this->avails.Sort();
01460 
01461     if (this->avail_sel != NULL) {
01462       this->avail_pos = this->avails.FindIndex(this->avail_sel);
01463       if (this->avail_pos < 0) this->avail_sel = NULL;
01464     }
01465 
01466     this->vscroll2->SetCount(this->avails.Length()); // Update the scrollbar
01467   }
01468 };
01469 
01470 #if defined(ENABLE_NETWORK)
01471 
01475 void ShowMissingContentWindow(const GRFConfig *list)
01476 {
01477   /* Only show the things in the current list, or everything when nothing's selected */
01478   ContentVector cv;
01479   for (const GRFConfig *c = list; c != NULL; c = c->next) {
01480     if (c->status != GCS_NOT_FOUND && !HasBit(c->flags, GCF_COMPATIBLE)) continue;
01481 
01482     ContentInfo *ci = new ContentInfo();
01483     ci->type = CONTENT_TYPE_NEWGRF;
01484     ci->state = ContentInfo::DOES_NOT_EXIST;
01485     ttd_strlcpy(ci->name, c->GetName(), lengthof(ci->name));
01486     ci->unique_id = BSWAP32(c->ident.grfid);
01487     memcpy(ci->md5sum, HasBit(c->flags, GCF_COMPATIBLE) ? c->original_md5sum : c->ident.md5sum, sizeof(ci->md5sum));
01488     *cv.Append() = ci;
01489   }
01490   ShowNetworkContentListWindow(cv.Length() == 0 ? NULL : &cv, CONTENT_TYPE_NEWGRF);
01491 }
01492 #endif
01493 
01494 Listing NewGRFWindow::last_sorting     = {false, 0};
01495 Filtering NewGRFWindow::last_filtering = {false, 0};
01496 
01497 NewGRFWindow::GUIGRFConfigList::SortFunction * const NewGRFWindow::sorter_funcs[] = {
01498   &NameSorter,
01499 };
01500 
01501 NewGRFWindow::GUIGRFConfigList::FilterFunction * const NewGRFWindow::filter_funcs[] = {
01502   &TagNameFilter,
01503 };
01504 
01511 class NWidgetNewGRFDisplay : public NWidgetContainer {
01512 public:
01513   static const uint INTER_LIST_SPACING;      
01514   static const uint INTER_COLUMN_SPACING;    
01515   static const uint MAX_EXTRA_INFO_WIDTH;    
01516   static const uint MIN_EXTRA_FOR_3_COLUMNS; 
01517 
01518   NWidgetBase *avs; 
01519   NWidgetBase *acs; 
01520   NWidgetBase *inf; 
01521   bool editable;    
01522 
01523   NWidgetNewGRFDisplay(NWidgetBase *avs, NWidgetBase *acs, NWidgetBase *inf) : NWidgetContainer(NWID_HORIZONTAL)
01524   {
01525     this->avs = avs;
01526     this->acs = acs;
01527     this->inf = inf;
01528 
01529     this->Add(this->avs);
01530     this->Add(this->acs);
01531     this->Add(this->inf);
01532 
01533     this->editable = true; // Temporary setting, 'real' value is set in SetupSmallestSize().
01534   }
01535 
01536   virtual void SetupSmallestSize(Window *w, bool init_array)
01537   {
01538     /* Copy state flag from the window. */
01539     assert(dynamic_cast<NewGRFWindow *>(w) != NULL);
01540     NewGRFWindow *ngw = (NewGRFWindow *)w;
01541     this->editable = ngw->editable;
01542 
01543     this->avs->SetupSmallestSize(w, init_array);
01544     this->acs->SetupSmallestSize(w, init_array);
01545     this->inf->SetupSmallestSize(w, init_array);
01546 
01547     uint min_avs_width = this->avs->smallest_x + this->avs->padding_left + this->avs->padding_right;
01548     uint min_acs_width = this->acs->smallest_x + this->acs->padding_left + this->acs->padding_right;
01549     uint min_inf_width = this->inf->smallest_x + this->inf->padding_left + this->inf->padding_right;
01550 
01551     uint min_avs_height = this->avs->smallest_y + this->avs->padding_top + this->avs->padding_bottom;
01552     uint min_acs_height = this->acs->smallest_y + this->acs->padding_top + this->acs->padding_bottom;
01553     uint min_inf_height = this->inf->smallest_y + this->inf->padding_top + this->inf->padding_bottom;
01554 
01555     /* Smallest window is in two column mode. */
01556     this->smallest_x = max(min_avs_width, min_acs_width) + INTER_COLUMN_SPACING + min_inf_width;
01557     this->smallest_y = max(min_inf_height, min_acs_height + INTER_LIST_SPACING + min_avs_height);
01558 
01559     /* Filling. */
01560     this->fill_x = LeastCommonMultiple(this->avs->fill_x, this->acs->fill_x);
01561     if (this->inf->fill_x > 0 && (this->fill_x == 0 || this->fill_x > this->inf->fill_x)) this->fill_x = this->inf->fill_x;
01562 
01563     this->fill_y = this->avs->fill_y;
01564     if (this->acs->fill_y > 0 && (this->fill_y == 0 || this->fill_y > this->acs->fill_y)) this->fill_y = this->acs->fill_y;
01565     this->fill_y = LeastCommonMultiple(this->fill_y, this->inf->fill_y);
01566 
01567     /* Resizing. */
01568     this->resize_x = LeastCommonMultiple(this->avs->resize_x, this->acs->resize_x);
01569     if (this->inf->resize_x > 0 && (this->resize_x == 0 || this->resize_x > this->inf->resize_x)) this->resize_x = this->inf->resize_x;
01570 
01571     this->resize_y = this->avs->resize_y;
01572     if (this->acs->resize_y > 0 && (this->resize_y == 0 || this->resize_y > this->acs->resize_y)) this->resize_y = this->acs->resize_y;
01573     this->resize_y = LeastCommonMultiple(this->resize_y, this->inf->resize_y);
01574 
01575     /* Make sure the height suits the 3 column (resp. not-editable) format; the 2 column format can easily fill space between the lists */
01576     this->smallest_y = ComputeMaxSize(min_acs_height, this->smallest_y + this->resize_y - 1, this->resize_y);
01577   }
01578 
01579   virtual void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
01580   {
01581     this->StoreSizePosition(sizing, x, y, given_width, given_height);
01582 
01583     uint min_avs_width = this->avs->smallest_x + this->avs->padding_left + this->avs->padding_right;
01584     uint min_acs_width = this->acs->smallest_x + this->acs->padding_left + this->acs->padding_right;
01585     uint min_inf_width = this->inf->smallest_x + this->inf->padding_left + this->inf->padding_right;
01586 
01587     uint min_list_width = max(min_avs_width, min_acs_width); // Smallest width of the lists such that they have equal width (incl padding).
01588     uint avs_extra_width = min_list_width - min_avs_width;   // Additional width needed for avs to reach min_list_width.
01589     uint acs_extra_width = min_list_width - min_acs_width;   // Additional width needed for acs to reach min_list_width.
01590 
01591     /* Use 2 or 3 colmuns? */
01592     uint min_three_columns = min_avs_width + min_acs_width + min_inf_width + 2 * INTER_COLUMN_SPACING;
01593     uint min_two_columns   = min_list_width + min_inf_width + INTER_COLUMN_SPACING;
01594     bool use_three_columns = this->editable && (min_three_columns + MIN_EXTRA_FOR_3_COLUMNS <= given_width);
01595 
01596     /* Info panel is a seperate column in both modes. Compute its width first. */
01597     uint extra_width, inf_width;
01598     if (use_three_columns) {
01599       extra_width = given_width - min_three_columns;
01600       inf_width = min(MAX_EXTRA_INFO_WIDTH, extra_width / 2);
01601     } else {
01602       extra_width = given_width - min_two_columns;
01603       inf_width = min(MAX_EXTRA_INFO_WIDTH, extra_width / 2);
01604     }
01605     inf_width = ComputeMaxSize(this->inf->smallest_x, this->inf->smallest_x + inf_width, this->inf->GetHorizontalStepSize(sizing));
01606     extra_width -= inf_width - this->inf->smallest_x;
01607 
01608     uint inf_height = ComputeMaxSize(this->inf->smallest_y, given_height, this->inf->GetVerticalStepSize(sizing));
01609 
01610     if (use_three_columns) {
01611       /* Three column display, first make both lists equally wide, then divide whatever is left between both lists.
01612        * Only keep track of what avs gets, all other space goes to acs. */
01613       uint avs_width = min(avs_extra_width, extra_width);
01614       extra_width -= avs_width;
01615       extra_width -= min(acs_extra_width, extra_width);
01616       avs_width += extra_width / 2;
01617 
01618       avs_width = ComputeMaxSize(this->avs->smallest_x, this->avs->smallest_x + avs_width, this->avs->GetHorizontalStepSize(sizing));
01619 
01620       uint acs_width = given_width - // Remaining space, including horizontal padding.
01621           inf_width - this->inf->padding_left - this->inf->padding_right -
01622           avs_width - this->avs->padding_left - this->avs->padding_right - 2 * INTER_COLUMN_SPACING;
01623       acs_width = ComputeMaxSize(min_acs_width, acs_width, this->acs->GetHorizontalStepSize(sizing)) -
01624           this->acs->padding_left - this->acs->padding_right;
01625 
01626       /* Never use fill_y on these; the minimal size is choosen, so that the 3 column view looks nice */
01627       uint avs_height = ComputeMaxSize(this->avs->smallest_y, given_height, this->avs->resize_y);
01628       uint acs_height = ComputeMaxSize(this->acs->smallest_y, given_height, this->acs->resize_y);
01629 
01630       /* Assign size and position to the childs. */
01631       if (rtl) {
01632         x += this->inf->padding_left;
01633         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01634         x += inf_width + this->inf->padding_right + INTER_COLUMN_SPACING;
01635       } else {
01636         x += this->avs->padding_left;
01637         this->avs->AssignSizePosition(sizing, x, y + this->avs->padding_top, avs_width, avs_height, rtl);
01638         x += avs_width + this->avs->padding_right + INTER_COLUMN_SPACING;
01639       }
01640 
01641       x += this->acs->padding_left;
01642       this->acs->AssignSizePosition(sizing, x, y + this->acs->padding_top, acs_width, acs_height, rtl);
01643       x += acs_width + this->acs->padding_right + INTER_COLUMN_SPACING;
01644 
01645       if (rtl) {
01646         x += this->avs->padding_left;
01647         this->avs->AssignSizePosition(sizing, x, y + this->avs->padding_top, avs_width, avs_height, rtl);
01648       } else {
01649         x += this->inf->padding_left;
01650         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01651       }
01652     } else {
01653       /* Two columns, all space in extra_width goes to both lists. Since the lists are underneath each other,
01654        * the column is min_list_width wide at least. */
01655       uint avs_width = ComputeMaxSize(this->avs->smallest_x, this->avs->smallest_x + avs_extra_width + extra_width,
01656           this->avs->GetHorizontalStepSize(sizing));
01657       uint acs_width = ComputeMaxSize(this->acs->smallest_x, this->acs->smallest_x + acs_extra_width + extra_width,
01658           this->acs->GetHorizontalStepSize(sizing));
01659 
01660       uint min_avs_height = (!this->editable) ? 0 : this->avs->smallest_y + this->avs->padding_top + this->avs->padding_bottom + INTER_LIST_SPACING;
01661       uint min_acs_height = this->acs->smallest_y + this->acs->padding_top + this->acs->padding_bottom;
01662       uint extra_height = given_height - min_acs_height - min_avs_height;
01663 
01664       /* Never use fill_y on these; instead use the INTER_LIST_SPACING as filler */
01665       uint avs_height = ComputeMaxSize(this->avs->smallest_y, this->avs->smallest_y + extra_height / 2, this->avs->resize_y);
01666       if (this->editable) extra_height -= avs_height - this->avs->smallest_y;
01667       uint acs_height = ComputeMaxSize(this->acs->smallest_y, this->acs->smallest_y + extra_height, this->acs->resize_y);
01668 
01669       /* Assign size and position to the childs. */
01670       if (rtl) {
01671         x += this->inf->padding_left;
01672         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01673         x += inf_width + this->inf->padding_right + INTER_COLUMN_SPACING;
01674 
01675         this->acs->AssignSizePosition(sizing, x + this->acs->padding_left, y + this->acs->padding_top, acs_width, acs_height, rtl);
01676         if (this->editable) {
01677           this->avs->AssignSizePosition(sizing, x + this->avs->padding_left, y + given_height - avs_height - this->avs->padding_bottom, avs_width, avs_height, rtl);
01678         } else {
01679           this->avs->AssignSizePosition(sizing, 0, 0, this->avs->smallest_x, this->avs->smallest_y, rtl);
01680         }
01681       } else {
01682         this->acs->AssignSizePosition(sizing, x + this->acs->padding_left, y + this->acs->padding_top, acs_width, acs_height, rtl);
01683         if (this->editable) {
01684           this->avs->AssignSizePosition(sizing, x + this->avs->padding_left, y + given_height - avs_height - this->avs->padding_bottom, avs_width, avs_height, rtl);
01685         } else {
01686           this->avs->AssignSizePosition(sizing, 0, 0, this->avs->smallest_x, this->avs->smallest_y, rtl);
01687         }
01688         uint dx = this->acs->current_x + this->acs->padding_left + this->acs->padding_right;
01689         if (this->editable) {
01690           dx = max(dx, this->avs->current_x + this->avs->padding_left + this->avs->padding_right);
01691         }
01692         x += dx + INTER_COLUMN_SPACING + this->inf->padding_left;
01693         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01694       }
01695     }
01696   }
01697 
01698   virtual NWidgetCore *GetWidgetFromPos(int x, int y)
01699   {
01700     if (!IsInsideBS(x, this->pos_x, this->current_x) || !IsInsideBS(y, this->pos_y, this->current_y)) return NULL;
01701 
01702     NWidgetCore *nw = (this->editable) ? this->avs->GetWidgetFromPos(x, y) : NULL;
01703     if (nw == NULL) nw = this->acs->GetWidgetFromPos(x, y);
01704     if (nw == NULL) nw = this->inf->GetWidgetFromPos(x, y);
01705     return nw;
01706   }
01707 
01708   virtual void Draw(const Window *w)
01709   {
01710     if (this->editable) this->avs->Draw(w);
01711     this->acs->Draw(w);
01712     this->inf->Draw(w);
01713   }
01714 };
01715 
01716 const uint NWidgetNewGRFDisplay::INTER_LIST_SPACING      = WD_RESIZEBOX_WIDTH + 1;
01717 const uint NWidgetNewGRFDisplay::INTER_COLUMN_SPACING    = WD_RESIZEBOX_WIDTH;
01718 const uint NWidgetNewGRFDisplay::MAX_EXTRA_INFO_WIDTH    = 150;
01719 const uint NWidgetNewGRFDisplay::MIN_EXTRA_FOR_3_COLUMNS = 50;
01720 
01721 static const NWidgetPart _nested_newgrf_actives_widgets[] = {
01722   /* Left side, presets. */
01723   NWidget(NWID_HORIZONTAL),
01724     NWidget(WWT_TEXT, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_SELECT_PRESET, STR_NULL),
01725         SetPadding(0, WD_FRAMETEXT_RIGHT, 0, 0),
01726     NWidget(WWT_DROPDOWN, COLOUR_YELLOW, WID_NS_PRESET_LIST), SetFill(1, 0), SetResize(1, 0),
01727         SetDataTip(STR_JUST_STRING, STR_NEWGRF_SETTINGS_PRESET_LIST_TOOLTIP),
01728   EndContainer(),
01729   NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01730     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_PRESET_SAVE), SetFill(1, 0), SetResize(1, 0),
01731         SetDataTip(STR_NEWGRF_SETTINGS_PRESET_SAVE, STR_NEWGRF_SETTINGS_PRESET_SAVE_TOOLTIP),
01732     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_PRESET_DELETE), SetFill(1, 0), SetResize(1, 0),
01733         SetDataTip(STR_NEWGRF_SETTINGS_PRESET_DELETE, STR_NEWGRF_SETTINGS_PRESET_DELETE_TOOLTIP),
01734   EndContainer(),
01735 
01736   NWidget(NWID_SPACER), SetMinimalSize(0, WD_RESIZEBOX_WIDTH), SetResize(1, 0), SetFill(1, 0),
01737   NWidget(WWT_PANEL, COLOUR_MAUVE),
01738     NWidget(WWT_LABEL, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_ACTIVE_LIST, STR_NULL),
01739         SetFill(1, 0), SetResize(1, 0), SetPadding(3, WD_FRAMETEXT_RIGHT, 0, WD_FRAMETEXT_LEFT),
01740     /* Left side, active grfs. */
01741     NWidget(NWID_HORIZONTAL), SetPadding(0, 2, 0, 2),
01742       NWidget(WWT_PANEL, COLOUR_MAUVE),
01743         NWidget(WWT_INSET, COLOUR_MAUVE, WID_NS_FILE_LIST), SetMinimalSize(100, 1), SetPadding(2, 2, 2, 2),
01744             SetFill(1, 1), SetResize(1, 1), SetScrollbar(WID_NS_SCROLLBAR), SetDataTip(STR_NULL, STR_NEWGRF_SETTINGS_FILE_TOOLTIP),
01745         EndContainer(),
01746       EndContainer(),
01747       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_NS_SCROLLBAR),
01748     EndContainer(),
01749     /* Buttons. */
01750     NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NS_SHOW_REMOVE),
01751       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01752         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_REMOVE), SetFill(1, 0), SetResize(1, 0),
01753             SetDataTip(STR_NEWGRF_SETTINGS_REMOVE, STR_NEWGRF_SETTINGS_REMOVE_TOOLTIP),
01754         NWidget(NWID_VERTICAL),
01755           NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_MOVE_UP), SetFill(1, 0), SetResize(1, 0),
01756               SetDataTip(STR_NEWGRF_SETTINGS_MOVEUP, STR_NEWGRF_SETTINGS_MOVEUP_TOOLTIP),
01757           NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_MOVE_DOWN), SetFill(1, 0), SetResize(1, 0),
01758               SetDataTip(STR_NEWGRF_SETTINGS_MOVEDOWN, STR_NEWGRF_SETTINGS_MOVEDOWN_TOOLTIP),
01759         EndContainer(),
01760       EndContainer(),
01761 
01762       NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2),
01763         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_RESCAN_FILES2), SetFill(1, 0), SetResize(1, 0),
01764             SetDataTip(STR_NEWGRF_SETTINGS_RESCAN_FILES, STR_NEWGRF_SETTINGS_RESCAN_FILES_TOOLTIP),
01765         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_CONTENT_DOWNLOAD2), SetFill(1, 0), SetResize(1, 0),
01766             SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),
01767       EndContainer(),
01768     EndContainer(),
01769   EndContainer(),
01770 };
01771 
01772 static const NWidgetPart _nested_newgrf_availables_widgets[] = {
01773   NWidget(WWT_PANEL, COLOUR_MAUVE),
01774     NWidget(WWT_LABEL, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_INACTIVE_LIST, STR_NULL),
01775         SetFill(1, 0), SetResize(1, 0), SetPadding(3, WD_FRAMETEXT_RIGHT, 0, WD_FRAMETEXT_LEFT),
01776     /* Left side, available grfs, filter edit box. */
01777     NWidget(NWID_HORIZONTAL), SetPadding(WD_TEXTPANEL_TOP, 0, WD_TEXTPANEL_BOTTOM, 0),
01778         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
01779       NWidget(WWT_TEXT, COLOUR_MAUVE), SetFill(0, 1), SetDataTip(STR_NEWGRF_FILTER_TITLE, STR_NULL),
01780       NWidget(WWT_EDITBOX, COLOUR_MAUVE, WID_NS_FILTER), SetFill(1, 0), SetMinimalSize(50, 12), SetResize(1, 0),
01781           SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
01782     EndContainer(),
01783     /* Left side, available grfs. */
01784     NWidget(NWID_HORIZONTAL), SetPadding(0, 2, 0, 2),
01785       NWidget(WWT_PANEL, COLOUR_MAUVE),
01786         NWidget(WWT_INSET, COLOUR_MAUVE, WID_NS_AVAIL_LIST), SetMinimalSize(100, 1), SetPadding(2, 2, 2, 2),
01787             SetFill(1, 1), SetResize(1, 1), SetScrollbar(WID_NS_SCROLL2BAR),
01788         EndContainer(),
01789       EndContainer(),
01790       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_NS_SCROLL2BAR),
01791     EndContainer(),
01792     /* Left side, available grfs, buttons. */
01793     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01794       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_ADD), SetFill(1, 0), SetResize(1, 0),
01795           SetDataTip(STR_NEWGRF_SETTINGS_ADD, STR_NEWGRF_SETTINGS_ADD_FILE_TOOLTIP),
01796       NWidget(NWID_VERTICAL),
01797         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_RESCAN_FILES), SetFill(1, 0), SetResize(1, 0),
01798             SetDataTip(STR_NEWGRF_SETTINGS_RESCAN_FILES, STR_NEWGRF_SETTINGS_RESCAN_FILES_TOOLTIP),
01799         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_CONTENT_DOWNLOAD), SetFill(1, 0), SetResize(1, 0),
01800             SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),
01801       EndContainer(),
01802     EndContainer(),
01803   EndContainer(),
01804 };
01805 
01806 static const NWidgetPart _nested_newgrf_infopanel_widgets[] = {
01807   /* Right side, info panel. */
01808   NWidget(NWID_VERTICAL), SetPadding(0, 0, 2, 0),
01809     NWidget(WWT_PANEL, COLOUR_MAUVE), SetPadding(0, 0, 2, 0),
01810       NWidget(WWT_EMPTY, COLOUR_MAUVE, WID_NS_NEWGRF_INFO_TITLE), SetFill(1, 0), SetResize(1, 0),
01811       NWidget(WWT_EMPTY, COLOUR_MAUVE, WID_NS_NEWGRF_INFO), SetFill(1, 1), SetResize(1, 1), SetMinimalSize(150, 100),
01812     EndContainer(),
01813     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_OPEN_URL), SetFill(1, 0), SetResize(1, 0),
01814         SetDataTip(STR_CONTENT_OPEN_URL, STR_CONTENT_OPEN_URL_TOOLTIP),
01815     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_NEWGRF_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0),
01816         SetDataTip(STR_NEWGRF_SETTINGS_VIEW_README, STR_NULL),
01817     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01818       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_NEWGRF_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0),
01819           SetDataTip(STR_NEWGRF_SETTINGS_VIEW_CHANGELOG, STR_NULL),
01820       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_NEWGRF_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0),
01821           SetDataTip(STR_NEWGRF_SETTINGS_VIEW_LICENSE, STR_NULL),
01822     EndContainer(),
01823   EndContainer(),
01824   NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NS_SHOW_APPLY),
01825     /* Right side, buttons. */
01826     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01827       NWidget(NWID_VERTICAL),
01828         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_SET_PARAMETERS), SetFill(1, 0), SetResize(1, 0),
01829             SetDataTip(STR_NEWGRF_SETTINGS_SET_PARAMETERS, STR_NULL),
01830         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_TOGGLE_PALETTE), SetFill(1, 0), SetResize(1, 0),
01831             SetDataTip(STR_NEWGRF_SETTINGS_TOGGLE_PALETTE, STR_NEWGRF_SETTINGS_TOGGLE_PALETTE_TOOLTIP),
01832       EndContainer(),
01833       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_APPLY_CHANGES), SetFill(1, 0), SetResize(1, 0),
01834           SetDataTip(STR_NEWGRF_SETTINGS_APPLY_CHANGES, STR_NULL),
01835     EndContainer(),
01836     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_VIEW_PARAMETERS), SetFill(1, 0), SetResize(1, 0),
01837       SetDataTip(STR_NEWGRF_SETTINGS_SHOW_PARAMETERS, STR_NULL),
01838   EndContainer(),
01839 };
01840 
01842 NWidgetBase* NewGRFDisplay(int *biggest_index)
01843 {
01844   NWidgetBase *avs = MakeNWidgets(_nested_newgrf_availables_widgets, lengthof(_nested_newgrf_availables_widgets), biggest_index, NULL);
01845 
01846   int biggest2;
01847   NWidgetBase *acs = MakeNWidgets(_nested_newgrf_actives_widgets, lengthof(_nested_newgrf_actives_widgets), &biggest2, NULL);
01848   *biggest_index = max(*biggest_index, biggest2);
01849 
01850   NWidgetBase *inf = MakeNWidgets(_nested_newgrf_infopanel_widgets, lengthof(_nested_newgrf_infopanel_widgets), &biggest2, NULL);
01851   *biggest_index = max(*biggest_index, biggest2);
01852 
01853   return new NWidgetNewGRFDisplay(avs, acs, inf);
01854 }
01855 
01856 /* Widget definition of the manage newgrfs window */
01857 static const NWidgetPart _nested_newgrf_widgets[] = {
01858   NWidget(NWID_HORIZONTAL),
01859     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
01860     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01861   EndContainer(),
01862   NWidget(WWT_PANEL, COLOUR_MAUVE),
01863     NWidgetFunction(NewGRFDisplay), SetPadding(WD_RESIZEBOX_WIDTH, WD_RESIZEBOX_WIDTH, 2, WD_RESIZEBOX_WIDTH),
01864     /* Resize button. */
01865     NWidget(NWID_HORIZONTAL),
01866       NWidget(NWID_SPACER), SetFill(1, 0), SetResize(1, 0),
01867       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
01868     EndContainer(),
01869   EndContainer(),
01870 };
01871 
01872 /* Window definition of the manage newgrfs window */
01873 static const WindowDesc _newgrf_desc(
01874   WDP_CENTER, 300, 263,
01875   WC_GAME_OPTIONS, WC_NONE,
01876   WDF_UNCLICK_BUTTONS,
01877   _nested_newgrf_widgets, lengthof(_nested_newgrf_widgets)
01878 );
01879 
01885 static void NewGRFConfirmationCallback(Window *w, bool confirmed)
01886 {
01887   if (confirmed) {
01888     DeleteWindowByClass(WC_GRF_PARAMETERS);
01889     NewGRFWindow *nw = dynamic_cast<NewGRFWindow*>(w);
01890 
01891     GamelogStartAction(GLAT_GRF);
01892     GamelogGRFUpdate(_grfconfig, nw->actives); // log GRF changes
01893     CopyGRFConfigList(nw->orig_list, nw->actives, false);
01894     ReloadNewGRFData();
01895     GamelogStopAction();
01896 
01897     /* Show new, updated list */
01898     GRFConfig *c;
01899     int i = 0;
01900     for (c = nw->actives; c != NULL && c != nw->active_sel; c = c->next, i++) {}
01901     CopyGRFConfigList(&nw->actives, *nw->orig_list, false);
01902     for (c = nw->actives; c != NULL && i > 0; c = c->next, i--) {}
01903     nw->active_sel = c;
01904     nw->avails.ForceRebuild();
01905 
01906     w->InvalidateData();
01907 
01908     ReInitAllWindows();
01909     DeleteWindowByClass(WC_BUILD_OBJECT);
01910   }
01911 }
01912 
01913 
01914 
01923 void ShowNewGRFSettings(bool editable, bool show_params, bool exec_changes, GRFConfig **config)
01924 {
01925   DeleteWindowByClass(WC_GAME_OPTIONS);
01926   new NewGRFWindow(&_newgrf_desc, editable, show_params, exec_changes, config);
01927 }
01928 
01930 static const NWidgetPart _nested_scan_progress_widgets[] = {
01931   NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_NEWGRF_SCAN_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01932   NWidget(WWT_PANEL, COLOUR_GREY),
01933     NWidget(NWID_HORIZONTAL), SetPIP(20, 0, 20),
01934       NWidget(NWID_VERTICAL), SetPIP(11, 8, 11),
01935         NWidget(WWT_LABEL, INVALID_COLOUR), SetDataTip(STR_NEWGRF_SCAN_MESSAGE, STR_NULL), SetFill(1, 0),
01936         NWidget(WWT_EMPTY, INVALID_COLOUR, WID_SP_PROGRESS_BAR), SetFill(1, 0),
01937         NWidget(WWT_EMPTY, INVALID_COLOUR, WID_SP_PROGRESS_TEXT), SetFill(1, 0),
01938       EndContainer(),
01939     EndContainer(),
01940   EndContainer(),
01941 };
01942 
01944 static const WindowDesc _scan_progress_desc(
01945   WDP_CENTER, 0, 0,
01946   WC_MODAL_PROGRESS, WC_NONE,
01947   WDF_UNCLICK_BUTTONS,
01948   _nested_scan_progress_widgets, lengthof(_nested_scan_progress_widgets)
01949 );
01950 
01952 struct ScanProgressWindow : public Window {
01953   char *last_name; 
01954   int scanned;     
01955 
01957   ScanProgressWindow() : Window(), last_name(NULL), scanned(0)
01958   {
01959     this->InitNested(&_scan_progress_desc, 1);
01960   }
01961 
01963   ~ScanProgressWindow()
01964   {
01965     free(last_name);
01966   }
01967 
01968   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01969   {
01970     switch (widget) {
01971       case WID_SP_PROGRESS_BAR: {
01972         SetDParam(0, 100);
01973         *size = GetStringBoundingBox(STR_GENERATION_PROGRESS);
01974         /* We need some spacing for the 'border' */
01975         size->height += 8;
01976         size->width += 8;
01977         break;
01978       }
01979 
01980       case WID_SP_PROGRESS_TEXT:
01981         SetDParam(0, 9999);
01982         SetDParam(1, 9999);
01983         /* We really don't know the width. We could determine it by scanning the NewGRFs,
01984          * but this is the status window for scanning them... */
01985         size->width = max(400U, GetStringBoundingBox(STR_NEWGRF_SCAN_STATUS).width);
01986         size->height = FONT_HEIGHT_NORMAL * 2 + WD_PAR_VSEP_NORMAL;
01987         break;
01988     }
01989   }
01990 
01991   virtual void DrawWidget(const Rect &r, int widget) const
01992   {
01993     switch (widget) {
01994       case WID_SP_PROGRESS_BAR: {
01995         /* Draw the % complete with a bar and a text */
01996         DrawFrameRect(r.left, r.top, r.right, r.bottom, COLOUR_GREY, FR_BORDERONLY);
01997         uint percent = scanned * 100 / max(1U, _settings_client.gui.last_newgrf_count);
01998         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);
01999         SetDParam(0, percent);
02000         DrawString(r.left, r.right, r.top + 5, STR_GENERATION_PROGRESS, TC_FROMSTRING, SA_HOR_CENTER);
02001         break;
02002       }
02003 
02004       case WID_SP_PROGRESS_TEXT:
02005         SetDParam(0, this->scanned);
02006         SetDParam(1, _settings_client.gui.last_newgrf_count);
02007         DrawString(r.left, r.right, r.top, STR_NEWGRF_SCAN_STATUS, TC_FROMSTRING, SA_HOR_CENTER);
02008 
02009         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);
02010         break;
02011     }
02012   }
02013 
02019   void UpdateNewGRFScanStatus(uint num, const char *name)
02020   {
02021     free(this->last_name);
02022     if (name == NULL) {
02023       char buf[256];
02024       GetString(buf, STR_NEWGRF_SCAN_ARCHIVES, lastof(buf));
02025       this->last_name = strdup(buf);
02026     } else {
02027       this->last_name = strdup(name);
02028     }
02029     this->scanned = num;
02030     if (num > _settings_client.gui.last_newgrf_count) _settings_client.gui.last_newgrf_count = num;
02031 
02032     this->SetDirty();
02033   }
02034 };
02035 
02041 void UpdateNewGRFScanStatus(uint num, const char *name)
02042 {
02043   ScanProgressWindow *w  = dynamic_cast<ScanProgressWindow *>(FindWindowByClass(WC_MODAL_PROGRESS));
02044   if (w == NULL) w = new ScanProgressWindow();
02045   w->UpdateNewGRFScanStatus(num, name);
02046 }