newgrf_gui.cpp

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00001 /* $Id: newgrf_gui.cpp 22252 2011-03-14 19:03:17Z rubidium $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include "stdafx.h"
00013 #include "gui.h"
00014 #include "newgrf.h"
00015 #include "strings_func.h"
00016 #include "window_func.h"
00017 #include "gamelog.h"
00018 #include "settings_type.h"
00019 #include "settings_func.h"
00020 #include "widgets/dropdown_type.h"
00021 #include "network/network.h"
00022 #include "network/network_content.h"
00023 #include "sortlist_type.h"
00024 #include "querystring_gui.h"
00025 #include "core/geometry_func.hpp"
00026 #include "newgrf_text.h"
00027 #include "fileio_func.h"
00028 
00029 #include "table/strings.h"
00030 #include "table/sprites.h"
00031 
00035 void ShowNewGRFError()
00036 {
00037   for (const GRFConfig *c = _grfconfig; c != NULL; c = c->next) {
00038     /* We only want to show fatal errors */
00039     if (c->error == NULL || c->error->severity != STR_NEWGRF_ERROR_MSG_FATAL) continue;
00040 
00041     SetDParam   (0, c->error->custom_message == NULL ? c->error->message : STR_JUST_RAW_STRING);
00042     SetDParamStr(1, c->error->custom_message);
00043     SetDParam   (2, STR_JUST_RAW_STRING);
00044     SetDParamStr(3, c->filename);
00045     SetDParam   (4, STR_JUST_RAW_STRING);
00046     SetDParamStr(5, c->error->data);
00047     for (uint i = 0; i < c->error->num_params; i++) {
00048       SetDParam(6 + i, c->error->param_value[i]);
00049     }
00050     ShowErrorMessage(STR_NEWGRF_ERROR_FATAL_POPUP, INVALID_STRING_ID, WL_CRITICAL);
00051     break;
00052   }
00053 }
00054 
00055 static void ShowNewGRFInfo(const GRFConfig *c, uint x, uint y, uint right, uint bottom, bool show_params)
00056 {
00057   if (c->error != NULL) {
00058     char message[512];
00059     SetDParamStr(0, c->error->custom_message); // is skipped by built-in messages
00060     SetDParam   (1, STR_JUST_RAW_STRING);
00061     SetDParamStr(2, c->filename);
00062     SetDParam   (3, STR_JUST_RAW_STRING);
00063     SetDParamStr(4, c->error->data);
00064     for (uint i = 0; i < c->error->num_params; i++) {
00065       SetDParam(5 + i, c->error->param_value[i]);
00066     }
00067     GetString(message, c->error->custom_message == NULL ? c->error->message : STR_JUST_RAW_STRING, lastof(message));
00068 
00069     SetDParamStr(0, message);
00070     y = DrawStringMultiLine(x, right, y, bottom, c->error->severity);
00071   }
00072 
00073   /* Draw filename or not if it is not known (GRF sent over internet) */
00074   if (c->filename != NULL) {
00075     SetDParamStr(0, c->filename);
00076     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_FILENAME);
00077   }
00078 
00079   /* Prepare and draw GRF ID */
00080   char buff[256];
00081   snprintf(buff, lengthof(buff), "%08X", BSWAP32(c->ident.grfid));
00082   SetDParamStr(0, buff);
00083   y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_GRF_ID);
00084 
00085   if ((_settings_client.gui.newgrf_developer_tools || _settings_client.gui.newgrf_show_old_versions) && c->version != 0) {
00086     SetDParam(0, c->version);
00087     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_VERSION);
00088   }
00089   if ((_settings_client.gui.newgrf_developer_tools || _settings_client.gui.newgrf_show_old_versions) && c->min_loadable_version != 0) {
00090     SetDParam(0, c->min_loadable_version);
00091     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_MIN_VERSION);
00092   }
00093 
00094   /* Prepare and draw MD5 sum */
00095   md5sumToString(buff, lastof(buff), c->ident.md5sum);
00096   SetDParamStr(0, buff);
00097   y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_MD5SUM);
00098 
00099   /* Show GRF parameter list */
00100   if (show_params) {
00101     if (c->num_params > 0) {
00102       GRFBuildParamList(buff, c, lastof(buff));
00103       SetDParam(0, STR_JUST_RAW_STRING);
00104       SetDParamStr(1, buff);
00105     } else {
00106       SetDParam(0, STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY_NONE);
00107     }
00108     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_PARAMETER);
00109 
00110     /* Draw the palette of the NewGRF */
00111     SetDParamStr(0, (c->palette & GRFP_USE_WINDOWS) ? "Windows" : "DOS");
00112     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_PALETTE);
00113   }
00114 
00115   /* Show flags */
00116   if (c->status == GCS_NOT_FOUND)       y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_NOT_FOUND);
00117   if (c->status == GCS_DISABLED)        y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_DISABLED);
00118   if (HasBit(c->flags, GCF_INVALID))    y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_INCOMPATIBLE);
00119   if (HasBit(c->flags, GCF_COMPATIBLE)) y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_COMPATIBLE_LOADED);
00120 
00121   /* Draw GRF info if it exists */
00122   if (!StrEmpty(c->GetDescription())) {
00123     SetDParam(0, STR_JUST_RAW_STRING);
00124     SetDParamStr(1, c->GetDescription());
00125     y = DrawStringMultiLine(x, right, y, bottom, STR_BLACK_STRING);
00126   } else {
00127     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_NO_INFO);
00128   }
00129 }
00130 
00131 
00133 enum ShowNewGRFParametersWidgets {
00134   GRFPAR_WIDGET_SHOW_NUMPAR,      
00135   GRFPAR_WIDGET_NUMPAR_DEC,       
00136   GRFPAR_WIDGET_NUMPAR_INC,       
00137   GRFPAR_WIDGET_NUMPAR,           
00138   GRFPAR_WIDGET_NUMPAR_TEXT,      
00139   GRFPAR_WIDGET_BACKGROUND,       
00140   GRFPAR_WIDGET_SCROLLBAR,        
00141   GRFPAR_WIDGET_ACCEPT,           
00142   GRFPAR_WIDGET_RESET,            
00143   GRFPAR_WIDGET_SHOW_DESCRIPTION, 
00144   GRFPAR_WIDGET_DESCRIPTION,      
00145 };
00146 
00150 struct NewGRFParametersWindow : public Window {
00151   static GRFParameterInfo dummy_parameter_info; 
00152   GRFConfig *grf_config; 
00153   uint clicked_button;   
00154   bool clicked_increase; 
00155   int timeout;           
00156   uint clicked_row;      
00157   int line_height;       
00158   Scrollbar *vscroll;
00159   bool action14present;  
00160 
00161   NewGRFParametersWindow(const WindowDesc *desc, GRFConfig *c) : Window(),
00162     grf_config(c),
00163     clicked_button(UINT_MAX),
00164     timeout(0),
00165     clicked_row(UINT_MAX)
00166   {
00167     this->action14present = (c->num_valid_params != lengthof(c->param) || c->param_info.Length() != 0);
00168 
00169     this->CreateNestedTree(desc);
00170     this->vscroll = this->GetScrollbar(GRFPAR_WIDGET_SCROLLBAR);
00171     this->GetWidget<NWidgetStacked>(GRFPAR_WIDGET_SHOW_NUMPAR)->SetDisplayedPlane(this->action14present ? SZSP_HORIZONTAL : 0);
00172     this->GetWidget<NWidgetStacked>(GRFPAR_WIDGET_SHOW_DESCRIPTION)->SetDisplayedPlane(this->action14present ? 0 : SZSP_HORIZONTAL);
00173     this->FinishInitNested(desc);  // Initializes 'this->line_height' as side effect.
00174 
00175     this->InvalidateData();
00176   }
00177 
00183   static GRFParameterInfo *GetDummyParameterInfo(uint nr)
00184   {
00185     dummy_parameter_info.param_nr = nr;
00186     return &dummy_parameter_info;
00187   }
00188 
00189   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00190   {
00191     switch (widget) {
00192       case GRFPAR_WIDGET_NUMPAR_DEC:
00193       case GRFPAR_WIDGET_NUMPAR_INC: {
00194         size->width = size->height = FONT_HEIGHT_NORMAL;
00195         break;
00196       }
00197 
00198       case GRFPAR_WIDGET_NUMPAR: {
00199         SetDParam(0, 999);
00200         Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
00201         d.width += padding.width;
00202         d.height += padding.height;
00203         *size = maxdim(*size, d);
00204         break;
00205       }
00206 
00207       case GRFPAR_WIDGET_BACKGROUND:
00208         this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
00209 
00210         resize->width = 1;
00211         resize->height = this->line_height;
00212         size->height = GB(this->GetWidget<NWidgetCore>(widget)->widget_data, MAT_ROW_START, MAT_ROW_BITS) * this->line_height;
00213         break;
00214 
00215       case GRFPAR_WIDGET_DESCRIPTION:
00216         size->height = max<uint>(size->height, FONT_HEIGHT_NORMAL * 4 + WD_TEXTPANEL_TOP + WD_TEXTPANEL_BOTTOM);
00217         break;
00218     }
00219   }
00220 
00221   virtual void SetStringParameters(int widget) const
00222   {
00223     switch (widget) {
00224       case GRFPAR_WIDGET_NUMPAR:
00225         SetDParam(0, this->vscroll->GetCount());
00226         break;
00227     }
00228   }
00229 
00230   virtual void DrawWidget(const Rect &r, int widget) const
00231   {
00232     if (widget == GRFPAR_WIDGET_DESCRIPTION) {
00233       const GRFParameterInfo *par_info = (this->clicked_row < this->grf_config->param_info.Length()) ? this->grf_config->param_info[this->clicked_row] : NULL;
00234       if (par_info == NULL) return;
00235       const char *desc = GetGRFStringFromGRFText(par_info->desc);
00236       if (desc == NULL) return;
00237       DrawStringMultiLine(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_TEXTPANEL_TOP, r.bottom - WD_TEXTPANEL_BOTTOM, desc, TC_BLACK);
00238       return;
00239     } else if (widget != GRFPAR_WIDGET_BACKGROUND) {
00240       return;
00241     }
00242 
00243     bool rtl = _current_text_dir == TD_RTL;
00244     uint buttons_left = rtl ? r.right - 23 : r.left + 4;
00245     uint text_left    = r.left + (rtl ? WD_FRAMERECT_LEFT : 28);
00246     uint text_right   = r.right - (rtl ? 28 : WD_FRAMERECT_RIGHT);
00247 
00248     int y = r.top;
00249     for (uint i = this->vscroll->GetPosition(); this->vscroll->IsVisible(i) && i < this->vscroll->GetCount(); i++) {
00250       GRFParameterInfo *par_info = (i < this->grf_config->param_info.Length()) ? this->grf_config->param_info[i] : NULL;
00251       if (par_info == NULL) par_info = GetDummyParameterInfo(i);
00252       uint32 current_value = par_info->GetValue(this->grf_config);
00253       bool selected = (i == this->clicked_row);
00254 
00255       if (par_info->type == PTYPE_BOOL) {
00256         DrawFrameRect(buttons_left, y  + 2, buttons_left + 19, y + 10, (current_value != 0) ? COLOUR_GREEN : COLOUR_RED, (current_value != 0) ? FR_LOWERED : FR_NONE);
00257         SetDParam(2, par_info->GetValue(this->grf_config) == 0 ? STR_CONFIG_SETTING_OFF : STR_CONFIG_SETTING_ON);
00258       } else if (par_info->type == PTYPE_UINT_ENUM) {
00259         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);
00260         SetDParam(2, STR_JUST_INT);
00261         SetDParam(3, current_value);
00262         if (par_info->value_names.Contains(current_value)) {
00263           const char *label = GetGRFStringFromGRFText(par_info->value_names.Find(current_value)->second);
00264           if (label != NULL) {
00265             SetDParam(2, STR_JUST_RAW_STRING);
00266             SetDParamStr(3, label);
00267           }
00268         }
00269       }
00270 
00271       const char *name = GetGRFStringFromGRFText(par_info->name);
00272       if (name != NULL) {
00273         SetDParam(0, STR_JUST_RAW_STRING);
00274         SetDParamStr(1, name);
00275       } else {
00276         SetDParam(0, STR_NEWGRF_PARAMETERS_DEFAULT_NAME);
00277         SetDParam(1, i + 1);
00278       }
00279 
00280       DrawString(text_left, text_right, y + WD_MATRIX_TOP, STR_NEWGRF_PARAMETERS_SETTING, selected ? TC_WHITE : TC_LIGHT_BLUE);
00281       y += this->line_height;
00282     }
00283   }
00284 
00285   virtual void OnClick(Point pt, int widget, int click_count)
00286   {
00287     switch (widget) {
00288       case GRFPAR_WIDGET_NUMPAR_DEC:
00289         if (!this->action14present && this->grf_config->num_params > 0) {
00290           this->grf_config->num_params--;
00291           this->InvalidateData();
00292           SetWindowClassesDirty(WC_GAME_OPTIONS); // Is always the newgrf window
00293         }
00294         break;
00295 
00296       case GRFPAR_WIDGET_NUMPAR_INC: {
00297         GRFConfig *c = this->grf_config;
00298         if (!this->action14present && c->num_params < c->num_valid_params) {
00299           c->param[c->num_params++] = 0;
00300           this->InvalidateData();
00301           SetWindowClassesDirty(WC_GAME_OPTIONS); // Is always the newgrf window
00302         }
00303         break;
00304       }
00305 
00306       case GRFPAR_WIDGET_BACKGROUND: {
00307         uint num = this->vscroll->GetScrolledRowFromWidget(pt.y, this, GRFPAR_WIDGET_BACKGROUND);
00308         if (num >= this->vscroll->GetCount()) break;
00309         if (this->clicked_row != num) {
00310           DeleteChildWindows(WC_QUERY_STRING);
00311           this->clicked_row = num;
00312         }
00313 
00314         const NWidgetBase *wid = this->GetWidget<NWidgetBase>(GRFPAR_WIDGET_BACKGROUND);
00315         int x = pt.x - wid->pos_x;
00316         if (_current_text_dir == TD_RTL) x = wid->current_x - x;
00317         x -= 4;
00318 
00319         GRFParameterInfo *par_info = (num < this->grf_config->param_info.Length()) ? this->grf_config->param_info[num] : NULL;
00320         if (par_info == NULL) par_info = GetDummyParameterInfo(num);
00321 
00322         /* One of the arrows is clicked */
00323         if (IsInsideMM(x, 0, 21)) {
00324           uint32 val = par_info->GetValue(this->grf_config);
00325           if (par_info->type == PTYPE_BOOL) {
00326             val = !val;
00327           } else {
00328             if (x >= 10) {
00329               /* Increase button clicked */
00330               if (val < par_info->max_value) val++;
00331               this->clicked_increase = true;
00332             } else {
00333               /* Decrease button clicked */
00334               if (val > par_info->min_value) val--;
00335               this->clicked_increase = false;
00336             }
00337           }
00338           par_info->SetValue(this->grf_config, val);
00339 
00340           this->clicked_button = num;
00341           this->timeout = 5;
00342         } else if (par_info->type == PTYPE_UINT_ENUM && click_count >= 2) {
00343           /* Display a query box so users can enter a custom value. */
00344           SetDParam(0, this->grf_config->param[num]);
00345           ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, 100, this, CS_NUMERAL, QSF_NONE);
00346         }
00347 
00348         this->SetDirty();
00349         break;
00350       }
00351 
00352       case GRFPAR_WIDGET_RESET:
00353         this->grf_config->SetParameterDefaults();
00354         this->InvalidateData();
00355         SetWindowClassesDirty(WC_GAME_OPTIONS); // Is always the newgrf window
00356         break;
00357 
00358       case GRFPAR_WIDGET_ACCEPT:
00359         delete this;
00360         break;
00361     }
00362   }
00363 
00364   virtual void OnQueryTextFinished(char *str)
00365   {
00366     if (StrEmpty(str)) return;
00367     int32 value = atoi(str);
00368     GRFParameterInfo *par_info = ((uint)this->clicked_row < this->grf_config->param_info.Length()) ? this->grf_config->param_info[this->clicked_row] : NULL;
00369     if (par_info == NULL) par_info = GetDummyParameterInfo(this->clicked_row);
00370     uint32 val = Clamp<uint32>(value, par_info->min_value, par_info->max_value);
00371     par_info->SetValue(this->grf_config, val);
00372     this->SetDirty();
00373   }
00374 
00375   virtual void OnResize()
00376   {
00377     NWidgetCore *nwi = this->GetWidget<NWidgetCore>(GRFPAR_WIDGET_BACKGROUND);
00378     this->vscroll->SetCapacity(nwi->current_y / this->line_height);
00379     nwi->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
00380   }
00381 
00387   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00388   {
00389     if (!gui_scope) return;
00390     if (!this->action14present) {
00391       this->SetWidgetDisabledState(GRFPAR_WIDGET_NUMPAR_DEC, this->grf_config->num_params == 0);
00392       this->SetWidgetDisabledState(GRFPAR_WIDGET_NUMPAR_INC, this->grf_config->num_params >= this->grf_config->num_valid_params);
00393     }
00394 
00395     this->vscroll->SetCount(this->action14present ? this->grf_config->num_valid_params : this->grf_config->num_params);
00396     if (this->clicked_row != UINT_MAX && this->clicked_row >= this->vscroll->GetCount()) {
00397       this->clicked_row = UINT_MAX;
00398       DeleteChildWindows(WC_QUERY_STRING);
00399     }
00400   }
00401 
00402   virtual void OnTick()
00403   {
00404     if (--this->timeout == 0) {
00405       this->clicked_button = UINT_MAX;
00406       this->SetDirty();
00407     }
00408   }
00409 };
00410 GRFParameterInfo NewGRFParametersWindow::dummy_parameter_info(0);
00411 
00412 
00413 static const NWidgetPart _nested_newgrf_parameter_widgets[] = {
00414   NWidget(NWID_HORIZONTAL),
00415     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
00416     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_PARAMETERS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00417   EndContainer(),
00418   NWidget(NWID_SELECTION, INVALID_COLOUR, GRFPAR_WIDGET_SHOW_NUMPAR),
00419     NWidget(WWT_PANEL, COLOUR_MAUVE), SetResize(1, 0), SetFill(1, 0), SetPIP(4, 0, 4),
00420       NWidget(NWID_HORIZONTAL), SetPIP(4, 0, 4),
00421         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, GRFPAR_WIDGET_NUMPAR_DEC), SetMinimalSize(12, 12), SetDataTip(AWV_DECREASE, STR_NULL),
00422         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, GRFPAR_WIDGET_NUMPAR_INC), SetMinimalSize(12, 12), SetDataTip(AWV_INCREASE, STR_NULL),
00423         NWidget(WWT_TEXT, COLOUR_MAUVE, GRFPAR_WIDGET_NUMPAR), SetResize(1, 0), SetFill(1, 0), SetPadding(0, 0, 0, 4), SetDataTip(STR_NEWGRF_PARAMETERS_NUM_PARAM, STR_NULL),
00424       EndContainer(),
00425     EndContainer(),
00426   EndContainer(),
00427   NWidget(NWID_HORIZONTAL),
00428     NWidget(WWT_MATRIX, COLOUR_MAUVE, GRFPAR_WIDGET_BACKGROUND), SetMinimalSize(188, 182), SetResize(1, 1), SetFill(1, 0), SetDataTip(0x501, STR_NULL), SetScrollbar(GRFPAR_WIDGET_SCROLLBAR),
00429     NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, GRFPAR_WIDGET_SCROLLBAR),
00430   EndContainer(),
00431   NWidget(NWID_SELECTION, INVALID_COLOUR, GRFPAR_WIDGET_SHOW_DESCRIPTION),
00432     NWidget(WWT_PANEL, COLOUR_MAUVE, GRFPAR_WIDGET_DESCRIPTION), SetResize(1, 0), SetFill(1, 0),
00433     EndContainer(),
00434   EndContainer(),
00435   NWidget(NWID_HORIZONTAL),
00436     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
00437       NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, GRFPAR_WIDGET_ACCEPT), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_NEWGRF_PARAMETERS_CLOSE, STR_NULL),
00438       NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, GRFPAR_WIDGET_RESET), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_NEWGRF_PARAMETERS_RESET, STR_NEWGRF_PARAMETERS_RESET_TOOLTIP),
00439     EndContainer(),
00440     NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
00441   EndContainer(),
00442 };
00443 
00444 /* Window definition for the change grf parameters window */
00445 static const WindowDesc _newgrf_parameters_desc(
00446   WDP_CENTER, 500, 208,
00447   WC_GRF_PARAMETERS, WC_NONE,
00448   WDF_UNCLICK_BUTTONS,
00449   _nested_newgrf_parameter_widgets, lengthof(_nested_newgrf_parameter_widgets)
00450 );
00451 
00452 void OpenGRFParameterWindow(GRFConfig *c)
00453 {
00454   DeleteWindowByClass(WC_GRF_PARAMETERS);
00455   new NewGRFParametersWindow(&_newgrf_parameters_desc, c);
00456 }
00457 
00458 static GRFPresetList _grf_preset_list;
00459 
00460 class DropDownListPresetItem : public DropDownListItem {
00461 public:
00462   DropDownListPresetItem(int result) : DropDownListItem(result, false) {}
00463 
00464   virtual ~DropDownListPresetItem() {}
00465 
00466   bool Selectable() const
00467   {
00468     return true;
00469   }
00470 
00471   void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const
00472   {
00473     DrawString(left + 2, right + 2, top, _grf_preset_list[this->result], sel ? TC_WHITE : TC_BLACK);
00474   }
00475 };
00476 
00477 static void NewGRFConfirmationCallback(Window *w, bool confirmed);
00478 
00480 enum ShowNewGRFStateWidgets {
00481   SNGRFS_PRESET_LIST,
00482   SNGRFS_PRESET_SAVE,
00483   SNGRFS_PRESET_DELETE,
00484   SNGRFS_ADD,
00485   SNGRFS_REMOVE,
00486   SNGRFS_MOVE_UP,
00487   SNGRFS_MOVE_DOWN,
00488   SNGRFS_FILTER,
00489   SNGRFS_FILE_LIST,
00490   SNGRFS_SCROLLBAR,
00491   SNGRFS_AVAIL_LIST,
00492   SNGRFS_SCROLL2BAR,
00493   SNGRFS_NEWGRF_INFO_TITLE,
00494   SNGRFS_NEWGRF_INFO,
00495   SNGRFS_SET_PARAMETERS,
00496   SNGRFS_TOGGLE_PALETTE,
00497   SNGRFS_APPLY_CHANGES,
00498   SNGRFS_RESCAN_FILES,
00499   SNGRFS_RESCAN_FILES2,
00500   SNGRFS_CONTENT_DOWNLOAD,
00501   SNGRFS_CONTENT_DOWNLOAD2,
00502   SNGRFS_SHOW_REMOVE, 
00503   SNGRFS_SHOW_APPLY,  
00504 };
00505 
00509 struct NewGRFWindow : public QueryStringBaseWindow {
00510   typedef GUIList<const GRFConfig *> GUIGRFConfigList;
00511 
00512   static const uint EDITBOX_MAX_SIZE   =  50;
00513   static const uint EDITBOX_MAX_LENGTH = 300;
00514 
00515   static Listing   last_sorting;   
00516   static Filtering last_filtering; 
00517   static GUIGRFConfigList::SortFunction   * const sorter_funcs[]; 
00518   static GUIGRFConfigList::FilterFunction * const filter_funcs[]; 
00519 
00520   GUIGRFConfigList avails;    
00521   const GRFConfig *avail_sel; 
00522   int avail_pos;              
00523 
00524   GRFConfig *actives;         
00525   GRFConfig *active_sel;      
00526 
00527   GRFConfig **orig_list;      
00528   bool editable;              
00529   bool show_params;           
00530   bool execute;               
00531   int preset;                 
00532 
00533   Scrollbar *vscroll;
00534   Scrollbar *vscroll2;
00535 
00536   NewGRFWindow(const WindowDesc *desc, bool editable, bool show_params, bool execute, GRFConfig **orig_list) : QueryStringBaseWindow(EDITBOX_MAX_SIZE)
00537   {
00538     this->avail_sel   = NULL;
00539     this->avail_pos   = -1;
00540     this->active_sel  = NULL;
00541     this->actives     = NULL;
00542     this->orig_list   = orig_list;
00543     this->editable    = editable;
00544     this->execute     = execute;
00545     this->show_params = show_params;
00546     this->preset      = -1;
00547 
00548     CopyGRFConfigList(&this->actives, *orig_list, false);
00549     GetGRFPresetList(&_grf_preset_list);
00550 
00551     this->CreateNestedTree(desc);
00552     this->vscroll = this->GetScrollbar(SNGRFS_SCROLLBAR);
00553     this->vscroll2 = this->GetScrollbar(SNGRFS_SCROLL2BAR);
00554 
00555     this->GetWidget<NWidgetStacked>(SNGRFS_SHOW_REMOVE)->SetDisplayedPlane(this->editable ? 0 : 1);
00556     this->GetWidget<NWidgetStacked>(SNGRFS_SHOW_APPLY)->SetDisplayedPlane(this->editable ? 0 : SZSP_HORIZONTAL);
00557     this->FinishInitNested(desc);
00558 
00559     InitializeTextBuffer(&this->text, this->edit_str_buf, this->edit_str_size, EDITBOX_MAX_LENGTH);
00560     this->SetFocusedWidget(SNGRFS_FILTER);
00561 
00562     this->avails.SetListing(this->last_sorting);
00563     this->avails.SetFiltering(this->last_filtering);
00564     this->avails.SetSortFuncs(this->sorter_funcs);
00565     this->avails.SetFilterFuncs(this->filter_funcs);
00566     this->avails.ForceRebuild();
00567 
00568     this->OnInvalidateData(2);
00569   }
00570 
00571   ~NewGRFWindow()
00572   {
00573     DeleteWindowByClass(WC_GRF_PARAMETERS);
00574 
00575     if (this->editable && !this->execute) {
00576       CopyGRFConfigList(this->orig_list, this->actives, true);
00577       ResetGRFConfig(false);
00578       ReloadNewGRFData();
00579     }
00580 
00581     /* Remove the temporary copy of grf-list used in window */
00582     ClearGRFConfigList(&this->actives);
00583     _grf_preset_list.Clear();
00584   }
00585 
00586   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00587   {
00588     switch (widget) {
00589       case SNGRFS_FILE_LIST:
00590         resize->height = max(12, FONT_HEIGHT_NORMAL + 2);
00591         size->height = max(size->height, WD_FRAMERECT_TOP + 6 * resize->height + WD_FRAMERECT_BOTTOM);
00592         break;
00593 
00594       case SNGRFS_AVAIL_LIST:
00595         resize->height = max(12, FONT_HEIGHT_NORMAL + 2);
00596         size->height = max(size->height, WD_FRAMERECT_TOP + 8 * resize->height + WD_FRAMERECT_BOTTOM);
00597         break;
00598 
00599       case SNGRFS_NEWGRF_INFO_TITLE: {
00600         Dimension dim = GetStringBoundingBox(STR_NEWGRF_SETTINGS_INFO_TITLE);
00601         size->height = max(size->height, dim.height + WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM);
00602         size->width  = max(size->width,  dim.width  + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT);
00603         break;
00604       }
00605 
00606       case SNGRFS_NEWGRF_INFO:
00607         size->height = max(size->height, WD_FRAMERECT_TOP + 10 * FONT_HEIGHT_NORMAL + WD_FRAMERECT_BOTTOM + padding.height + 2);
00608         break;
00609 
00610       case SNGRFS_PRESET_LIST: {
00611         Dimension d = GetStringBoundingBox(STR_NUM_CUSTOM);
00612         for (uint i = 0; i < _grf_preset_list.Length(); i++) {
00613           if (_grf_preset_list[i] != NULL) {
00614             SetDParamStr(0, _grf_preset_list[i]);
00615             d = maxdim(d, GetStringBoundingBox(STR_JUST_RAW_STRING));
00616           }
00617         }
00618         d.width += padding.width;
00619         *size = maxdim(d, *size);
00620         break;
00621       }
00622 
00623       case SNGRFS_CONTENT_DOWNLOAD:
00624       case SNGRFS_CONTENT_DOWNLOAD2: {
00625         Dimension d = GetStringBoundingBox(STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_BUTTON);
00626         *size = maxdim(d, GetStringBoundingBox(STR_INTRO_ONLINE_CONTENT));
00627         size->width  += padding.width;
00628         size->height += padding.height;
00629         break;
00630       }
00631     }
00632   }
00633 
00634   virtual void OnResize()
00635   {
00636     this->vscroll->SetCapacityFromWidget(this, SNGRFS_FILE_LIST);
00637     this->vscroll2->SetCapacityFromWidget(this, SNGRFS_AVAIL_LIST);
00638   }
00639 
00640   virtual void SetStringParameters(int widget) const
00641   {
00642     switch (widget) {
00643       case SNGRFS_PRESET_LIST:
00644         if (this->preset == -1) {
00645           SetDParam(0, STR_NUM_CUSTOM);
00646         } else {
00647           SetDParam(0, STR_JUST_RAW_STRING);
00648           SetDParamStr(1, _grf_preset_list[this->preset]);
00649         }
00650         break;
00651     }
00652   }
00653 
00654   virtual void OnPaint()
00655   {
00656     this->DrawWidgets();
00657     if (this->editable) this->DrawEditBox(SNGRFS_FILTER);
00658   }
00659 
00665   FORCEINLINE PaletteID GetPalette(const GRFConfig *c) const
00666   {
00667     PaletteID pal;
00668 
00669     /* Pick a colour */
00670     switch (c->status) {
00671       case GCS_NOT_FOUND:
00672       case GCS_DISABLED:
00673         pal = PALETTE_TO_RED;
00674         break;
00675       case GCS_ACTIVATED:
00676         pal = PALETTE_TO_GREEN;
00677         break;
00678       default:
00679         pal = PALETTE_TO_BLUE;
00680         break;
00681     }
00682 
00683     /* Do not show a "not-failure" colour when it actually failed to load */
00684     if (pal != PALETTE_TO_RED) {
00685       if (HasBit(c->flags, GCF_STATIC)) {
00686         pal = PALETTE_TO_GREY;
00687       } else if (HasBit(c->flags, GCF_COMPATIBLE)) {
00688         pal = PALETTE_TO_ORANGE;
00689       }
00690     }
00691 
00692     return pal;
00693   }
00694 
00695   virtual void DrawWidget(const Rect &r, int widget) const
00696   {
00697     switch (widget) {
00698       case SNGRFS_FILE_LIST: {
00699         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, 0xD7);
00700 
00701         uint step_height = this->GetWidget<NWidgetBase>(SNGRFS_FILE_LIST)->resize_y;
00702         uint y = r.top + WD_FRAMERECT_TOP;
00703         int sprite_offset_y = (step_height - 10) / 2;
00704         int offset_y = (step_height - FONT_HEIGHT_NORMAL) / 2;
00705 
00706         bool rtl = _current_text_dir == TD_RTL;
00707         uint text_left    = rtl ? r.left + WD_FRAMERECT_LEFT : r.left + 25;
00708         uint text_right   = rtl ? r.right - 25 : r.right - WD_FRAMERECT_RIGHT;
00709         uint square_left  = rtl ? r.right - 15 : r.left + 5;
00710         uint warning_left = rtl ? r.right - 30 : r.left + 20;
00711 
00712         int i = 0;
00713         for (const GRFConfig *c = this->actives; c != NULL; c = c->next, i++) {
00714           if (this->vscroll->IsVisible(i)) {
00715             const char *text = c->GetName();
00716             bool h = (this->active_sel == c);
00717             PaletteID pal = this->GetPalette(c);
00718 
00719             if (h) GfxFillRect(r.left + 1, y, r.right - 1, y + step_height - 1, 156);
00720             DrawSprite(SPR_SQUARE, pal, square_left, y + sprite_offset_y);
00721             if (c->error != NULL) DrawSprite(SPR_WARNING_SIGN, 0, warning_left, y + sprite_offset_y);
00722             uint txtoffset = c->error == NULL ? 0 : 10;
00723             DrawString(text_left + (rtl ? 0 : txtoffset), text_right - (rtl ? txtoffset : 0), y + offset_y, text, h ? TC_WHITE : TC_ORANGE);
00724             y += step_height;
00725           }
00726         }
00727         break;
00728       }
00729 
00730       case SNGRFS_AVAIL_LIST: {
00731         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, 0xD7);
00732 
00733         uint step_height = this->GetWidget<NWidgetBase>(SNGRFS_AVAIL_LIST)->resize_y;
00734         int offset_y = (step_height - FONT_HEIGHT_NORMAL) / 2;
00735         uint y = r.top + WD_FRAMERECT_TOP;
00736         uint min_index = this->vscroll2->GetPosition();
00737         uint max_index = min(min_index + this->vscroll2->GetCapacity(), this->avails.Length());
00738 
00739         for (uint i = min_index; i < max_index; i++) {
00740           const GRFConfig *c = this->avails[i];
00741           bool h = (c == this->avail_sel);
00742           const char *text = c->GetName();
00743 
00744           if (h) GfxFillRect(r.left + 1, y, r.right - 1, y + step_height - 1, 156);
00745           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y + offset_y, text, h ? TC_WHITE : TC_SILVER);
00746           y += step_height;
00747         }
00748         break;
00749       }
00750 
00751       case SNGRFS_NEWGRF_INFO_TITLE:
00752         /* Create the nice grayish rectangle at the details top. */
00753         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, 157);
00754         DrawString(r.left, r.right, (r.top + r.bottom - FONT_HEIGHT_NORMAL) / 2, STR_NEWGRF_SETTINGS_INFO_TITLE, TC_FROMSTRING, SA_HOR_CENTER);
00755         break;
00756 
00757       case SNGRFS_NEWGRF_INFO: {
00758         const GRFConfig *selected = this->active_sel;
00759         if (selected == NULL) selected = this->avail_sel;
00760         if (selected != NULL) {
00761           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);
00762         }
00763         break;
00764       }
00765     }
00766   }
00767 
00768   virtual void OnClick(Point pt, int widget, int click_count)
00769   {
00770     switch (widget) {
00771       case SNGRFS_PRESET_LIST: {
00772         DropDownList *list = new DropDownList();
00773 
00774         /* Add 'None' option for clearing list */
00775         list->push_back(new DropDownListStringItem(STR_NONE, -1, false));
00776 
00777         for (uint i = 0; i < _grf_preset_list.Length(); i++) {
00778           if (_grf_preset_list[i] != NULL) {
00779             list->push_back(new DropDownListPresetItem(i));
00780           }
00781         }
00782 
00783         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00784         ShowDropDownList(this, list, this->preset, SNGRFS_PRESET_LIST);
00785         break;
00786       }
00787 
00788       case SNGRFS_PRESET_SAVE:
00789         ShowQueryString(STR_EMPTY, STR_NEWGRF_SETTINGS_PRESET_SAVE_QUERY, 32, 100, this, CS_ALPHANUMERAL, QSF_NONE);
00790         break;
00791 
00792       case SNGRFS_PRESET_DELETE:
00793         if (this->preset == -1) return;
00794 
00795         DeleteGRFPresetFromConfig(_grf_preset_list[this->preset]);
00796         GetGRFPresetList(&_grf_preset_list);
00797         this->preset = -1;
00798         this->InvalidateData();
00799         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00800         break;
00801 
00802       case SNGRFS_MOVE_UP: { // Move GRF up
00803         if (this->active_sel == NULL || !this->editable) break;
00804 
00805         int pos = 0;
00806         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next, pos++) {
00807           GRFConfig *c = *pc;
00808           if (c->next == this->active_sel) {
00809             c->next = this->active_sel->next;
00810             this->active_sel->next = c;
00811             *pc = this->active_sel;
00812             break;
00813           }
00814         }
00815         this->vscroll->ScrollTowards(pos);
00816         this->preset = -1;
00817         this->InvalidateData();
00818         break;
00819       }
00820 
00821       case SNGRFS_MOVE_DOWN: { // Move GRF down
00822         if (this->active_sel == NULL || !this->editable) break;
00823 
00824         int pos = 1; // Start at 1 as we swap the selected newgrf with the next one
00825         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next, pos++) {
00826           GRFConfig *c = *pc;
00827           if (c == this->active_sel) {
00828             *pc = c->next;
00829             c->next = c->next->next;
00830             (*pc)->next = c;
00831             break;
00832           }
00833         }
00834         this->vscroll->ScrollTowards(pos);
00835         this->preset = -1;
00836         this->InvalidateData();
00837         break;
00838       }
00839 
00840       case SNGRFS_FILE_LIST: { // Select an active GRF.
00841         uint i = this->vscroll->GetScrolledRowFromWidget(pt.y, this, SNGRFS_FILE_LIST);
00842 
00843         GRFConfig *c;
00844         for (c = this->actives; c != NULL && i > 0; c = c->next, i--) {}
00845 
00846         if (this->active_sel != c) DeleteWindowByClass(WC_GRF_PARAMETERS);
00847         this->active_sel = c;
00848         this->avail_sel = NULL;
00849         this->avail_pos = -1;
00850 
00851         this->InvalidateData();
00852         if (click_count == 1) break;
00853         /* FALL THROUGH, with double click. */
00854       }
00855 
00856       case SNGRFS_REMOVE: { // Remove GRF
00857         if (this->active_sel == NULL || !this->editable) break;
00858         DeleteWindowByClass(WC_GRF_PARAMETERS);
00859 
00860         /* Choose the next GRF file to be the selected file. */
00861         GRFConfig *newsel = this->active_sel->next;
00862         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next) {
00863           GRFConfig *c = *pc;
00864           /* If the new selection is empty (i.e. we're deleting the last item
00865            * in the list, pick the file just before the selected file */
00866           if (newsel == NULL && c->next == this->active_sel) newsel = c;
00867 
00868           if (c == this->active_sel) {
00869             *pc = c->next;
00870             delete c;
00871             break;
00872           }
00873         }
00874 
00875         this->active_sel = newsel;
00876         this->preset = -1;
00877         this->avail_pos = -1;
00878         this->avail_sel = NULL;
00879         this->avails.ForceRebuild();
00880         this->InvalidateData(2);
00881         break;
00882       }
00883 
00884       case SNGRFS_AVAIL_LIST: { // Select a non-active GRF.
00885         uint i = this->vscroll2->GetScrolledRowFromWidget(pt.y, this, SNGRFS_AVAIL_LIST);
00886         this->active_sel = NULL;
00887         DeleteWindowByClass(WC_GRF_PARAMETERS);
00888         if (i < this->avails.Length()) {
00889           this->avail_sel = this->avails[i];
00890           this->avail_pos = i;
00891         }
00892         this->InvalidateData();
00893         if (click_count == 1) break;
00894         /* FALL THROUGH, with double click. */
00895       }
00896 
00897       case SNGRFS_ADD: {
00898         if (this->avail_sel == NULL || !this->editable || HasBit(this->avail_sel->flags, GCF_INVALID)) break;
00899 
00900         GRFConfig **list;
00901         /* Find last entry in the list, checking for duplicate grfid on the way */
00902         for (list = &this->actives; *list != NULL; list = &(*list)->next) {
00903           if ((*list)->ident.grfid == this->avail_sel->ident.grfid) {
00904             ShowErrorMessage(STR_NEWGRF_DUPLICATE_GRFID, INVALID_STRING_ID, WL_INFO);
00905             return;
00906           }
00907         }
00908 
00909         GRFConfig *c = new GRFConfig(*this->avail_sel); // Copy GRF details from scanned list.
00910         c->SetParameterDefaults();
00911         *list = c; // Append GRF config to configuration list.
00912 
00913         /* Select next (or previous, if last one) item in the list. */
00914         int new_pos = this->avail_pos + 1;
00915         if (new_pos >= (int)this->avails.Length()) new_pos = this->avail_pos - 1;
00916         this->avail_pos = new_pos;
00917         if (new_pos >= 0) this->avail_sel = this->avails[new_pos];
00918 
00919         this->avails.ForceRebuild();
00920         this->InvalidateData(2);
00921         break;
00922       }
00923 
00924       case SNGRFS_APPLY_CHANGES: // Apply changes made to GRF list
00925         if (!this->editable) break;
00926         if (this->execute) {
00927           ShowQuery(
00928             STR_NEWGRF_POPUP_CAUTION_CAPTION,
00929             STR_NEWGRF_CONFIRMATION_TEXT,
00930             this,
00931             NewGRFConfirmationCallback
00932           );
00933         } else {
00934           CopyGRFConfigList(this->orig_list, this->actives, true);
00935           ResetGRFConfig(false);
00936           ReloadNewGRFData();
00937         }
00938         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00939         break;
00940 
00941       case SNGRFS_SET_PARAMETERS: { // Edit parameters
00942         if (this->active_sel == NULL || !this->editable || !this->show_params) break;
00943 
00944         OpenGRFParameterWindow(this->active_sel);
00945         break;
00946       }
00947 
00948       case SNGRFS_TOGGLE_PALETTE:
00949         if (this->active_sel != NULL || !this->editable) {
00950           this->active_sel->palette ^= GRFP_USE_MASK;
00951           this->SetDirty();
00952         }
00953         break;
00954 
00955       case SNGRFS_CONTENT_DOWNLOAD:
00956       case SNGRFS_CONTENT_DOWNLOAD2:
00957         if (!_network_available) {
00958           ShowErrorMessage(STR_NETWORK_ERROR_NOTAVAILABLE, INVALID_STRING_ID, WL_ERROR);
00959         } else {
00960 #if defined(ENABLE_NETWORK)
00961           this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00962 
00963           /* Only show the things in the current list, or everything when nothing's selected */
00964           ContentVector cv;
00965           for (const GRFConfig *c = this->actives; c != NULL; c = c->next) {
00966             if (c->status != GCS_NOT_FOUND && !HasBit(c->flags, GCF_COMPATIBLE)) continue;
00967 
00968             ContentInfo *ci = new ContentInfo();
00969             ci->type = CONTENT_TYPE_NEWGRF;
00970             ci->state = ContentInfo::DOES_NOT_EXIST;
00971             ttd_strlcpy(ci->name, c->GetName(), lengthof(ci->name));
00972             ci->unique_id = BSWAP32(c->ident.grfid);
00973             memcpy(ci->md5sum, HasBit(c->flags, GCF_COMPATIBLE) ? c->original_md5sum : c->ident.md5sum, sizeof(ci->md5sum));
00974             *cv.Append() = ci;
00975           }
00976           ShowNetworkContentListWindow(cv.Length() == 0 ? NULL : &cv, CONTENT_TYPE_NEWGRF);
00977 #endif
00978         }
00979         break;
00980 
00981       case SNGRFS_RESCAN_FILES:
00982       case SNGRFS_RESCAN_FILES2:
00983         TarScanner::DoScan();
00984         ScanNewGRFFiles();
00985         this->avail_sel = NULL;
00986         this->avail_pos = -1;
00987         this->avails.ForceRebuild();
00988         this->InvalidateData(1);
00989         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00990         InvalidateWindowClassesData(WC_SAVELOAD);
00991         break;
00992     }
00993   }
00994 
00995   virtual void OnDropdownSelect(int widget, int index)
00996   {
00997     if (!this->editable) return;
00998 
00999     ClearGRFConfigList(&this->actives);
01000     this->preset = index;
01001 
01002     if (index != -1) {
01003       GRFConfig *c = LoadGRFPresetFromConfig(_grf_preset_list[index]);
01004 
01005       this->active_sel = NULL;
01006       this->actives = c;
01007       this->avails.ForceRebuild();
01008     }
01009 
01010     DeleteWindowByClass(WC_GRF_PARAMETERS);
01011     this->active_sel = NULL;
01012     this->InvalidateData(3);
01013   }
01014 
01015   virtual void OnQueryTextFinished(char *str)
01016   {
01017     if (str == NULL) return;
01018 
01019     SaveGRFPresetToConfig(str, this->actives);
01020     GetGRFPresetList(&_grf_preset_list);
01021 
01022     /* Switch to this preset */
01023     for (uint i = 0; i < _grf_preset_list.Length(); i++) {
01024       if (_grf_preset_list[i] != NULL && strcmp(_grf_preset_list[i], str) == 0) {
01025         this->preset = i;
01026         break;
01027       }
01028     }
01029 
01030     this->InvalidateData();
01031   }
01032 
01043   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
01044   {
01045     if (!gui_scope) return;
01046     switch (data) {
01047       default: NOT_REACHED();
01048       case 0:
01049         /* Nothing important to do */
01050         break;
01051 
01052       case 1:
01053         /* Search the list for items that are now found and mark them as such. */
01054         for (GRFConfig **l = &this->actives; *l != NULL; l = &(*l)->next) {
01055           GRFConfig *c = *l;
01056           bool compatible = HasBit(c->flags, GCF_COMPATIBLE);
01057           if (c->status != GCS_NOT_FOUND && !compatible) continue;
01058 
01059           const GRFConfig *f = FindGRFConfig(c->ident.grfid, FGCM_EXACT, compatible ? c->original_md5sum : c->ident.md5sum);
01060           if (f == NULL || HasBit(f->flags, GCF_INVALID)) continue;
01061 
01062           *l = new GRFConfig(*f);
01063           (*l)->next = c->next;
01064 
01065           if (active_sel == c) active_sel = *l;
01066 
01067           delete c;
01068         }
01069         /* FALL THROUGH */
01070       case 4:
01071         this->avails.ForceRebuild();
01072         /* FALL THROUGH */
01073       case 2:
01074         this->preset = -1;
01075         /* FALL THROUGH */
01076       case 3: {
01077         int i = 0;
01078         for (const GRFConfig *c = this->actives; c != NULL; c = c->next, i++) {}
01079 
01080         this->vscroll->SetCapacityFromWidget(this, SNGRFS_FILE_LIST);
01081         this->vscroll->SetCount(i);
01082 
01083         this->vscroll2->SetCapacityFromWidget(this, SNGRFS_AVAIL_LIST);
01084         if (this->avail_pos >= 0) this->vscroll2->ScrollTowards(this->avail_pos);
01085         break;
01086       }
01087     }
01088 
01089     this->BuildAvailables();
01090 
01091     this->SetWidgetsDisabledState(!this->editable,
01092       SNGRFS_PRESET_LIST,
01093       SNGRFS_APPLY_CHANGES,
01094       SNGRFS_TOGGLE_PALETTE,
01095       WIDGET_LIST_END
01096     );
01097     this->SetWidgetDisabledState(SNGRFS_ADD, !this->editable || this->avail_sel == NULL || HasBit(this->avail_sel->flags, GCF_INVALID));
01098 
01099     bool disable_all = this->active_sel == NULL || !this->editable;
01100     this->SetWidgetsDisabledState(disable_all,
01101       SNGRFS_REMOVE,
01102       SNGRFS_MOVE_UP,
01103       SNGRFS_MOVE_DOWN,
01104       WIDGET_LIST_END
01105     );
01106     this->SetWidgetDisabledState(SNGRFS_SET_PARAMETERS, !this->show_params || disable_all);
01107     this->SetWidgetDisabledState(SNGRFS_TOGGLE_PALETTE, disable_all);
01108 
01109     if (!disable_all) {
01110       /* All widgets are now enabled, so disable widgets we can't use */
01111       if (this->active_sel == this->actives)    this->DisableWidget(SNGRFS_MOVE_UP);
01112       if (this->active_sel->next == NULL)       this->DisableWidget(SNGRFS_MOVE_DOWN);
01113       if (this->active_sel->IsOpenTTDBaseGRF()) this->DisableWidget(SNGRFS_REMOVE);
01114     }
01115 
01116     this->SetWidgetDisabledState(SNGRFS_PRESET_DELETE, this->preset == -1);
01117 
01118     bool has_missing = false;
01119     bool has_compatible = false;
01120     for (const GRFConfig *c = this->actives; !has_missing && c != NULL; c = c->next) {
01121       has_missing    |= c->status == GCS_NOT_FOUND;
01122       has_compatible |= HasBit(c->flags, GCF_COMPATIBLE);
01123     }
01124     uint16 widget_data;
01125     StringID tool_tip;
01126     if (has_missing || has_compatible) {
01127       widget_data = STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_BUTTON;
01128       tool_tip    = STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_TOOLTIP;
01129     } else {
01130       widget_data = STR_INTRO_ONLINE_CONTENT;
01131       tool_tip    = STR_INTRO_TOOLTIP_ONLINE_CONTENT;
01132     }
01133     this->GetWidget<NWidgetCore>(SNGRFS_CONTENT_DOWNLOAD)->widget_data  = widget_data;
01134     this->GetWidget<NWidgetCore>(SNGRFS_CONTENT_DOWNLOAD)->tool_tip     = tool_tip;
01135     this->GetWidget<NWidgetCore>(SNGRFS_CONTENT_DOWNLOAD2)->widget_data = widget_data;
01136     this->GetWidget<NWidgetCore>(SNGRFS_CONTENT_DOWNLOAD2)->tool_tip    = tool_tip;
01137 
01138     this->SetWidgetDisabledState(SNGRFS_PRESET_SAVE, has_missing);
01139   }
01140 
01141   virtual void OnMouseLoop()
01142   {
01143     if (this->editable) this->HandleEditBox(SNGRFS_FILTER);
01144   }
01145 
01146   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
01147   {
01148     if (!this->editable) return ES_NOT_HANDLED;
01149 
01150     switch (keycode) {
01151       case WKC_UP:
01152         /* scroll up by one */
01153         if (this->avail_pos > 0) this->avail_pos--;
01154         break;
01155 
01156       case WKC_DOWN:
01157         /* scroll down by one */
01158         if (this->avail_pos < (int)this->avails.Length() - 1) this->avail_pos++;
01159         break;
01160 
01161       case WKC_PAGEUP:
01162         /* scroll up a page */
01163         this->avail_pos = (this->avail_pos < this->vscroll2->GetCapacity()) ? 0 : this->avail_pos - this->vscroll2->GetCapacity();
01164         break;
01165 
01166       case WKC_PAGEDOWN:
01167         /* scroll down a page */
01168         this->avail_pos = min(this->avail_pos + this->vscroll2->GetCapacity(), (int)this->avails.Length() - 1);
01169         break;
01170 
01171       case WKC_HOME:
01172         /* jump to beginning */
01173         this->avail_pos = 0;
01174         break;
01175 
01176       case WKC_END:
01177         /* jump to end */
01178         this->avail_pos = this->avails.Length() - 1;
01179         break;
01180 
01181       default: {
01182         /* Handle editbox input */
01183         EventState state = ES_NOT_HANDLED;
01184         if (this->HandleEditBoxKey(SNGRFS_FILTER, key, keycode, state) == HEBR_EDITING) {
01185           this->OnOSKInput(SNGRFS_FILTER);
01186         }
01187         return state;
01188       }
01189     }
01190 
01191     if (this->avails.Length() == 0) this->avail_pos = -1;
01192     if (this->avail_pos >= 0) {
01193       this->avail_sel = this->avails[this->avail_pos];
01194       this->vscroll2->ScrollTowards(this->avail_pos);
01195       this->InvalidateData(0);
01196     }
01197 
01198     return ES_HANDLED;
01199   }
01200 
01201   virtual void OnOSKInput(int wid)
01202   {
01203     if (!this->editable) return;
01204 
01205     this->avails.SetFilterState(!StrEmpty(this->edit_str_buf));
01206     this->avails.ForceRebuild();
01207     this->InvalidateData(0);
01208   }
01209 
01210 private:
01212   static int CDECL NameSorter(const GRFConfig * const *a, const GRFConfig * const *b)
01213   {
01214     int i = strnatcmp((*a)->GetName(), (*b)->GetName()); // Sort by name (natural sorting).
01215     if (i != 0) return i;
01216 
01217     i = (*a)->version - (*b)->version;
01218     if (i != 0) return i;
01219 
01220     return memcmp((*a)->ident.md5sum, (*b)->ident.md5sum, lengthof((*b)->ident.md5sum));
01221   }
01222 
01224   static bool CDECL TagNameFilter(const GRFConfig * const *a, const char *filter_string)
01225   {
01226     if (strcasestr((*a)->GetName(), filter_string) != NULL) return true;
01227     if ((*a)->filename != NULL && strcasestr((*a)->filename, filter_string) != NULL) return true;
01228     if ((*a)->GetDescription() != NULL && strcasestr((*a)->GetDescription(), filter_string) != NULL) return true;
01229     return false;
01230   }
01231 
01232   void BuildAvailables()
01233   {
01234     if (!this->avails.NeedRebuild()) return;
01235 
01236     this->avails.Clear();
01237 
01238     for (const GRFConfig *c = _all_grfs; c != NULL; c = c->next) {
01239       bool found = false;
01240       for (const GRFConfig *grf = this->actives; grf != NULL && !found; grf = grf->next) found = grf->ident.HasGrfIdentifier(c->ident.grfid, c->ident.md5sum);
01241       if (found) continue;
01242 
01243       if (_settings_client.gui.newgrf_show_old_versions) {
01244         *this->avails.Append() = c;
01245       } else {
01246         const GRFConfig *best = FindGRFConfig(c->ident.grfid, HasBit(c->flags, GCF_INVALID) ? FGCM_NEWEST : FGCM_NEWEST_VALID);
01247         /*
01248          * If the best version is 0, then all NewGRF with this GRF ID
01249          * have version 0, so for backward compatability reasons we
01250          * want to show them all.
01251          * If we are the best version, then we definitely want to
01252          * show that NewGRF!.
01253          */
01254         if (best->version == 0 || best->ident.HasGrfIdentifier(c->ident.grfid, c->ident.md5sum)) {
01255           *this->avails.Append() = c;
01256         }
01257       }
01258     }
01259 
01260     this->avails.Filter(this->edit_str_buf);
01261     this->avails.Compact();
01262     this->avails.RebuildDone();
01263     this->avails.Sort();
01264 
01265     if (this->avail_sel != NULL) {
01266       this->avail_pos = this->avails.FindIndex(this->avail_sel);
01267       if (this->avail_pos < 0) this->avail_sel = NULL;
01268     }
01269 
01270     this->vscroll2->SetCount(this->avails.Length()); // Update the scrollbar
01271   }
01272 };
01273 
01274 Listing NewGRFWindow::last_sorting     = {false, 0};
01275 Filtering NewGRFWindow::last_filtering = {false, 0};
01276 
01277 NewGRFWindow::GUIGRFConfigList::SortFunction * const NewGRFWindow::sorter_funcs[] = {
01278   &NameSorter,
01279 };
01280 
01281 NewGRFWindow::GUIGRFConfigList::FilterFunction * const NewGRFWindow::filter_funcs[] = {
01282   &TagNameFilter,
01283 };
01284 
01291 class NWidgetNewGRFDisplay : public NWidgetContainer {
01292 public:
01293   static const uint INTER_LIST_SPACING;      
01294   static const uint INTER_COLUMN_SPACING;    
01295   static const uint MAX_EXTRA_INFO_WIDTH;    
01296   static const uint MIN_EXTRA_FOR_3_COLUMNS; 
01297 
01298   NWidgetBase *avs; 
01299   NWidgetBase *acs; 
01300   NWidgetBase *inf; 
01301   bool editable;    
01302 
01303   NWidgetNewGRFDisplay(NWidgetBase *avs, NWidgetBase *acs, NWidgetBase *inf) : NWidgetContainer(NWID_HORIZONTAL)
01304   {
01305     this->avs = avs;
01306     this->acs = acs;
01307     this->inf = inf;
01308 
01309     this->Add(this->avs);
01310     this->Add(this->acs);
01311     this->Add(this->inf);
01312 
01313     this->editable = true; // Temporary setting, 'real' value is set in SetupSmallestSize().
01314   }
01315 
01316   virtual void SetupSmallestSize(Window *w, bool init_array)
01317   {
01318     /* Copy state flag from the window. */
01319     assert(dynamic_cast<NewGRFWindow *>(w) != NULL);
01320     NewGRFWindow *ngw = (NewGRFWindow *)w;
01321     this->editable = ngw->editable;
01322 
01323     this->avs->SetupSmallestSize(w, init_array);
01324     this->acs->SetupSmallestSize(w, init_array);
01325     this->inf->SetupSmallestSize(w, init_array);
01326 
01327     uint min_avs_width = this->avs->smallest_x + this->avs->padding_left + this->avs->padding_right;
01328     uint min_acs_width = this->acs->smallest_x + this->acs->padding_left + this->acs->padding_right;
01329     uint min_inf_width = this->inf->smallest_x + this->inf->padding_left + this->inf->padding_right;
01330 
01331     uint min_avs_height = this->avs->smallest_y + this->avs->padding_top + this->avs->padding_bottom;
01332     uint min_acs_height = this->acs->smallest_y + this->acs->padding_top + this->acs->padding_bottom;
01333     uint min_inf_height = this->inf->smallest_y + this->inf->padding_top + this->inf->padding_bottom;
01334 
01335     /* Smallest window is in two column mode. */
01336     this->smallest_x = max(min_avs_width, min_acs_width) + INTER_COLUMN_SPACING + min_inf_width;
01337     this->smallest_y = max(min_inf_height, min_acs_height + INTER_LIST_SPACING + min_avs_height);
01338 
01339     /* Filling. */
01340     this->fill_x = LeastCommonMultiple(this->avs->fill_x, this->acs->fill_x);
01341     if (this->inf->fill_x > 0 && (this->fill_x == 0 || this->fill_x > this->inf->fill_x)) this->fill_x = this->inf->fill_x;
01342 
01343     this->fill_y = this->avs->fill_y;
01344     if (this->acs->fill_y > 0 && (this->fill_y == 0 || this->fill_y > this->acs->fill_y)) this->fill_y = this->acs->fill_y;
01345     this->fill_y = LeastCommonMultiple(this->fill_y, this->inf->fill_y);
01346 
01347     /* Resizing. */
01348     this->resize_x = LeastCommonMultiple(this->avs->resize_x, this->acs->resize_x);
01349     if (this->inf->resize_x > 0 && (this->resize_x == 0 || this->resize_x > this->inf->resize_x)) this->resize_x = this->inf->resize_x;
01350 
01351     this->resize_y = this->avs->resize_y;
01352     if (this->acs->resize_y > 0 && (this->resize_y == 0 || this->resize_y > this->acs->resize_y)) this->resize_y = this->acs->resize_y;
01353     this->resize_y = LeastCommonMultiple(this->resize_y, this->inf->resize_y);
01354   }
01355 
01356   virtual void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
01357   {
01358     this->StoreSizePosition(sizing, x, y, given_width, given_height);
01359 
01360     uint min_avs_width = this->avs->smallest_x + this->avs->padding_left + this->avs->padding_right;
01361     uint min_acs_width = this->acs->smallest_x + this->acs->padding_left + this->acs->padding_right;
01362     uint min_inf_width = this->inf->smallest_x + this->inf->padding_left + this->inf->padding_right;
01363 
01364     uint min_list_width = max(min_avs_width, min_acs_width); // Smallest width of the lists such that they have equal width (incl padding).
01365     uint avs_extra_width = min_list_width - min_avs_width;   // Additional width needed for avs to reach min_list_width.
01366     uint acs_extra_width = min_list_width - min_acs_width;   // Additional width needed for acs to reach min_list_width.
01367 
01368     /* Use 2 or 3 colmuns? */
01369     uint min_three_columns = min_avs_width + min_acs_width + min_inf_width + 2 * INTER_COLUMN_SPACING;
01370     uint min_two_columns   = min_list_width + min_inf_width + INTER_COLUMN_SPACING;
01371     bool use_three_columns = this->editable && (min_three_columns + MIN_EXTRA_FOR_3_COLUMNS <= given_width);
01372 
01373     /* Info panel is a seperate column in both modes. Compute its width first. */
01374     uint extra_width, inf_width;
01375     if (use_three_columns) {
01376       extra_width = given_width - min_three_columns;
01377       inf_width = min(MAX_EXTRA_INFO_WIDTH, extra_width / 2);
01378     } else {
01379       extra_width = given_width - min_two_columns;
01380       inf_width = min(MAX_EXTRA_INFO_WIDTH, extra_width / 2);
01381     }
01382     inf_width = ComputeMaxSize(this->inf->smallest_x, this->inf->smallest_x + inf_width, this->inf->GetHorizontalStepSize(sizing));
01383     extra_width -= inf_width - this->inf->smallest_x;
01384 
01385     uint inf_height = ComputeMaxSize(this->inf->smallest_y, given_height, this->inf->GetVerticalStepSize(sizing));
01386 
01387     if (use_three_columns) {
01388       /* Three column display, first make both lists equally wide, then divide whatever is left between both lists.
01389        * Only keep track of what avs gets, all other space goes to acs. */
01390       uint avs_width = min(avs_extra_width, extra_width);
01391       extra_width -= avs_width;
01392       extra_width -= min(acs_extra_width, extra_width);
01393       avs_width += extra_width / 2;
01394 
01395       avs_width = ComputeMaxSize(this->avs->smallest_x, this->avs->smallest_x + avs_width, this->avs->GetHorizontalStepSize(sizing));
01396 
01397       uint acs_width = given_width - // Remaining space, including horizontal padding.
01398           inf_width - this->inf->padding_left - this->inf->padding_right -
01399           avs_width - this->avs->padding_left - this->avs->padding_right - 2 * INTER_COLUMN_SPACING;
01400       acs_width = ComputeMaxSize(min_acs_width, acs_width, this->acs->GetHorizontalStepSize(sizing)) -
01401           this->acs->padding_left - this->acs->padding_right;
01402 
01403       uint avs_height = ComputeMaxSize(this->avs->smallest_y, given_height, this->avs->GetVerticalStepSize(sizing));
01404       uint acs_height = ComputeMaxSize(this->acs->smallest_y, given_height, this->acs->GetVerticalStepSize(sizing));
01405 
01406       /* Assign size and position to the childs. */
01407       if (rtl) {
01408         x += this->inf->padding_left;
01409         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01410         x += inf_width + this->inf->padding_right + INTER_COLUMN_SPACING;
01411       } else {
01412         x += this->avs->padding_left;
01413         this->avs->AssignSizePosition(sizing, x, y + this->avs->padding_top, avs_width, avs_height, rtl);
01414         x += avs_width + this->avs->padding_right + INTER_COLUMN_SPACING;
01415       }
01416 
01417       x += this->acs->padding_left;
01418       this->acs->AssignSizePosition(sizing, x, y + this->acs->padding_top, acs_width, acs_height, rtl);
01419       x += acs_width + this->acs->padding_right + INTER_COLUMN_SPACING;
01420 
01421       if (rtl) {
01422         x += this->avs->padding_left;
01423         this->avs->AssignSizePosition(sizing, x, y + this->avs->padding_top, avs_width, avs_height, rtl);
01424       } else {
01425         x += this->inf->padding_left;
01426         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01427       }
01428     } else {
01429       /* Two columns, all space in extra_width goes to both lists. Since the lists are underneath each other,
01430        * the column is min_list_width wide at least. */
01431       uint avs_width = ComputeMaxSize(this->avs->smallest_x, this->avs->smallest_x + avs_extra_width + extra_width,
01432           this->avs->GetHorizontalStepSize(sizing));
01433       uint acs_width = ComputeMaxSize(this->acs->smallest_x, this->acs->smallest_x + acs_extra_width + extra_width,
01434           this->acs->GetHorizontalStepSize(sizing));
01435 
01436       uint min_avs_height = (!this->editable) ? 0 : this->avs->smallest_y + this->avs->padding_top + this->avs->padding_bottom + INTER_LIST_SPACING;
01437       uint min_acs_height = this->acs->smallest_y + this->acs->padding_top + this->acs->padding_bottom;
01438       uint extra_height = given_height - min_acs_height - min_avs_height;
01439 
01440       uint avs_height = ComputeMaxSize(this->avs->smallest_y, this->avs->smallest_y + extra_height / 2, this->avs->GetVerticalStepSize(sizing));
01441       if (this->editable) extra_height -= avs_height - this->avs->smallest_y;
01442       uint acs_height = ComputeMaxSize(this->acs->smallest_y, this->acs->smallest_y + extra_height, this->acs->GetVerticalStepSize(sizing));
01443 
01444       /* Assign size and position to the childs. */
01445       if (rtl) {
01446         x += this->inf->padding_left;
01447         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01448         x += inf_width + this->inf->padding_right + INTER_COLUMN_SPACING;
01449 
01450         uint ypos = y + this->acs->padding_top;
01451         this->acs->AssignSizePosition(sizing, x + this->acs->padding_left, ypos, acs_width, acs_height, rtl);
01452         if (this->editable) {
01453           ypos += acs_height + this->acs->padding_bottom + INTER_LIST_SPACING + this->avs->padding_top;
01454           this->avs->AssignSizePosition(sizing, x + this->avs->padding_left, ypos, avs_width, avs_height, rtl);
01455         } else {
01456           this->avs->AssignSizePosition(sizing, 0, 0, this->avs->smallest_x, this->avs->smallest_y, rtl);
01457         }
01458       } else {
01459         uint ypos = y + this->acs->padding_top;
01460         this->acs->AssignSizePosition(sizing, x + this->acs->padding_left, ypos, acs_width, acs_height, rtl);
01461         if (this->editable) {
01462           ypos += acs_height + this->acs->padding_bottom + INTER_LIST_SPACING + this->avs->padding_top;
01463           this->avs->AssignSizePosition(sizing, x + this->avs->padding_left, ypos, avs_width, avs_height, rtl);
01464         } else {
01465           this->avs->AssignSizePosition(sizing, 0, 0, this->avs->smallest_x, this->avs->smallest_y, rtl);
01466         }
01467         uint dx = this->acs->current_x + this->acs->padding_left + this->acs->padding_right;
01468         if (this->editable) {
01469           dx = max(dx, this->avs->current_x + this->avs->padding_left + this->avs->padding_right);
01470         }
01471         x += dx + INTER_COLUMN_SPACING + this->inf->padding_left;
01472         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01473       }
01474     }
01475   }
01476 
01477   virtual NWidgetCore *GetWidgetFromPos(int x, int y)
01478   {
01479     if (!IsInsideBS(x, this->pos_x, this->current_x) || !IsInsideBS(y, this->pos_y, this->current_y)) return NULL;
01480 
01481     NWidgetCore *nw = (this->editable) ? this->avs->GetWidgetFromPos(x, y) : NULL;
01482     if (nw == NULL) nw = this->acs->GetWidgetFromPos(x, y);
01483     if (nw == NULL) nw = this->inf->GetWidgetFromPos(x, y);
01484     return nw;
01485   }
01486 
01487   virtual void Draw(const Window *w)
01488   {
01489     if (this->editable) this->avs->Draw(w);
01490     this->acs->Draw(w);
01491     this->inf->Draw(w);
01492   }
01493 };
01494 
01495 const uint NWidgetNewGRFDisplay::INTER_LIST_SPACING      = WD_RESIZEBOX_WIDTH + 1;
01496 const uint NWidgetNewGRFDisplay::INTER_COLUMN_SPACING    = WD_RESIZEBOX_WIDTH;
01497 const uint NWidgetNewGRFDisplay::MAX_EXTRA_INFO_WIDTH    = 150;
01498 const uint NWidgetNewGRFDisplay::MIN_EXTRA_FOR_3_COLUMNS = 50;
01499 
01500 static const NWidgetPart _nested_newgrf_actives_widgets[] = {
01501   /* Left side, presets. */
01502   NWidget(NWID_HORIZONTAL),
01503     NWidget(WWT_TEXT, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_SELECT_PRESET, STR_NULL),
01504         SetPadding(0, WD_FRAMETEXT_RIGHT, 0, 0),
01505     NWidget(WWT_DROPDOWN, COLOUR_YELLOW, SNGRFS_PRESET_LIST), SetFill(1, 0), SetResize(1, 0),
01506         SetDataTip(STR_JUST_STRING, STR_NEWGRF_SETTINGS_PRESET_LIST_TOOLTIP),
01507   EndContainer(),
01508   NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01509     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_PRESET_SAVE), SetFill(1, 0), SetResize(1, 0),
01510         SetDataTip(STR_NEWGRF_SETTINGS_PRESET_SAVE, STR_NEWGRF_SETTINGS_PRESET_SAVE_TOOLTIP),
01511     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_PRESET_DELETE), SetFill(1, 0), SetResize(1, 0),
01512         SetDataTip(STR_NEWGRF_SETTINGS_PRESET_DELETE, STR_NEWGRF_SETTINGS_PRESET_DELETE_TOOLTIP),
01513   EndContainer(),
01514 
01515   NWidget(NWID_SPACER), SetMinimalSize(0, WD_RESIZEBOX_WIDTH), SetResize(1, 0), SetFill(1, 0),
01516   NWidget(WWT_PANEL, COLOUR_MAUVE),
01517     NWidget(WWT_LABEL, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_ACTIVE_LIST, STR_NULL),
01518         SetFill(1, 0), SetResize(1, 0), SetPadding(3, WD_FRAMETEXT_RIGHT, 0, WD_FRAMETEXT_LEFT),
01519     /* Left side, active grfs. */
01520     NWidget(NWID_HORIZONTAL), SetPadding(0, 2, 0, 2),
01521       NWidget(WWT_PANEL, COLOUR_MAUVE),
01522         NWidget(WWT_INSET, COLOUR_MAUVE, SNGRFS_FILE_LIST), SetMinimalSize(100, 1), SetPadding(2, 2, 2, 2),
01523             SetFill(1, 1), SetResize(1, 1), SetScrollbar(SNGRFS_SCROLLBAR),
01524         EndContainer(),
01525       EndContainer(),
01526       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, SNGRFS_SCROLLBAR),
01527     EndContainer(),
01528     /* Buttons. */
01529     NWidget(NWID_SELECTION, INVALID_COLOUR, SNGRFS_SHOW_REMOVE),
01530       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01531         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_REMOVE), SetFill(1, 0), SetResize(1, 0),
01532             SetDataTip(STR_NEWGRF_SETTINGS_REMOVE, STR_NEWGRF_SETTINGS_REMOVE_TOOLTIP),
01533         NWidget(NWID_VERTICAL),
01534           NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_MOVE_UP), SetFill(1, 0), SetResize(1, 0),
01535               SetDataTip(STR_NEWGRF_SETTINGS_MOVEUP, STR_NEWGRF_SETTINGS_MOVEUP_TOOLTIP),
01536           NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_MOVE_DOWN), SetFill(1, 0), SetResize(1, 0),
01537               SetDataTip(STR_NEWGRF_SETTINGS_MOVEDOWN, STR_NEWGRF_SETTINGS_MOVEDOWN_TOOLTIP),
01538         EndContainer(),
01539       EndContainer(),
01540 
01541       NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2),
01542         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_RESCAN_FILES2), SetFill(1, 0), SetResize(1, 0),
01543             SetDataTip(STR_NEWGRF_SETTINGS_RESCAN_FILES, STR_NEWGRF_SETTINGS_RESCAN_FILES_TOOLTIP),
01544         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_CONTENT_DOWNLOAD2), SetFill(1, 0), SetResize(1, 0),
01545             SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),
01546       EndContainer(),
01547     EndContainer(),
01548   EndContainer(),
01549 };
01550 
01551 static const NWidgetPart _nested_newgrf_availables_widgets[] = {
01552   NWidget(WWT_PANEL, COLOUR_MAUVE),
01553     NWidget(WWT_LABEL, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_INACTIVE_LIST, STR_NULL),
01554         SetFill(1, 0), SetResize(1, 0), SetPadding(3, WD_FRAMETEXT_RIGHT, 0, WD_FRAMETEXT_LEFT),
01555     /* Left side, available grfs, filter edit box. */
01556     NWidget(NWID_HORIZONTAL), SetPadding(WD_TEXTPANEL_TOP, 0, WD_TEXTPANEL_BOTTOM, 0),
01557         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
01558       NWidget(WWT_TEXT, COLOUR_MAUVE), SetFill(0, 1), SetDataTip(STR_NEWGRF_FILTER_TITLE, STR_NULL),
01559       NWidget(WWT_EDITBOX, COLOUR_MAUVE, SNGRFS_FILTER), SetFill(1, 0), SetMinimalSize(50, 12), SetResize(1, 0),
01560           SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
01561     EndContainer(),
01562     /* Left side, available grfs. */
01563     NWidget(NWID_HORIZONTAL), SetPadding(0, 2, 0, 2),
01564       NWidget(WWT_PANEL, COLOUR_MAUVE),
01565         NWidget(WWT_INSET, COLOUR_MAUVE, SNGRFS_AVAIL_LIST), SetMinimalSize(100, 1), SetPadding(2, 2, 2, 2),
01566             SetFill(1, 1), SetResize(1, 1), SetScrollbar(SNGRFS_SCROLL2BAR),
01567         EndContainer(),
01568       EndContainer(),
01569       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, SNGRFS_SCROLL2BAR),
01570     EndContainer(),
01571     /* Left side, available grfs, buttons. */
01572     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01573       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_ADD), SetFill(1, 0), SetResize(1, 0),
01574           SetDataTip(STR_NEWGRF_SETTINGS_ADD, STR_NEWGRF_SETTINGS_ADD_FILE_TOOLTIP),
01575       NWidget(NWID_VERTICAL),
01576         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_RESCAN_FILES), SetFill(1, 0), SetResize(1, 0),
01577             SetDataTip(STR_NEWGRF_SETTINGS_RESCAN_FILES, STR_NEWGRF_SETTINGS_RESCAN_FILES_TOOLTIP),
01578         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_CONTENT_DOWNLOAD), SetFill(1, 0), SetResize(1, 0),
01579             SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),
01580       EndContainer(),
01581     EndContainer(),
01582   EndContainer(),
01583 };
01584 
01585 static const NWidgetPart _nested_newgrf_infopanel_widgets[] = {
01586   /* Right side, info panel. */
01587   NWidget(WWT_PANEL, COLOUR_MAUVE), SetPadding(0, 0, 2, 0),
01588     NWidget(WWT_EMPTY, COLOUR_MAUVE, SNGRFS_NEWGRF_INFO_TITLE), SetFill(1, 0), SetResize(1, 0),
01589     NWidget(WWT_EMPTY, COLOUR_MAUVE, SNGRFS_NEWGRF_INFO), SetFill(1, 1), SetResize(1, 1), SetMinimalSize(150, 100),
01590   EndContainer(),
01591   NWidget(NWID_SELECTION, INVALID_COLOUR, SNGRFS_SHOW_APPLY),
01592     /* Right side, buttons. */
01593     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01594       NWidget(NWID_VERTICAL),
01595         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_SET_PARAMETERS), SetFill(1, 0), SetResize(1, 0),
01596             SetDataTip(STR_NEWGRF_SETTINGS_SET_PARAMETERS, STR_NULL),
01597         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_TOGGLE_PALETTE), SetFill(1, 0), SetResize(1, 0),
01598             SetDataTip(STR_NEWGRF_SETTINGS_TOGGLE_PALETTE, STR_NEWGRF_SETTINGS_TOGGLE_PALETTE_TOOLTIP),
01599       EndContainer(),
01600       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_APPLY_CHANGES), SetFill(1, 0), SetResize(1, 0),
01601           SetDataTip(STR_NEWGRF_SETTINGS_APPLY_CHANGES, STR_NULL),
01602     EndContainer(),
01603   EndContainer(),
01604 };
01605 
01607 NWidgetBase* NewGRFDisplay(int *biggest_index)
01608 {
01609   NWidgetBase *avs = MakeNWidgets(_nested_newgrf_availables_widgets, lengthof(_nested_newgrf_availables_widgets), biggest_index, NULL);
01610 
01611   int biggest2;
01612   NWidgetBase *acs = MakeNWidgets(_nested_newgrf_actives_widgets, lengthof(_nested_newgrf_actives_widgets), &biggest2, NULL);
01613   *biggest_index = max(*biggest_index, biggest2);
01614 
01615   NWidgetBase *inf = MakeNWidgets(_nested_newgrf_infopanel_widgets, lengthof(_nested_newgrf_infopanel_widgets), &biggest2, NULL);
01616   *biggest_index = max(*biggest_index, biggest2);
01617 
01618   return new NWidgetNewGRFDisplay(avs, acs, inf);
01619 }
01620 
01621 /* Widget definition of the manage newgrfs window */
01622 static const NWidgetPart _nested_newgrf_widgets[] = {
01623   NWidget(NWID_HORIZONTAL),
01624     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
01625     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01626   EndContainer(),
01627   NWidget(WWT_PANEL, COLOUR_MAUVE),
01628     NWidgetFunction(NewGRFDisplay), SetPadding(WD_RESIZEBOX_WIDTH, WD_RESIZEBOX_WIDTH, 2, WD_RESIZEBOX_WIDTH),
01629     /* Resize button. */
01630     NWidget(NWID_HORIZONTAL),
01631       NWidget(NWID_SPACER), SetFill(1, 0), SetResize(1, 0),
01632       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
01633     EndContainer(),
01634   EndContainer(),
01635 };
01636 
01637 /* Window definition of the manage newgrfs window */
01638 static const WindowDesc _newgrf_desc(
01639   WDP_CENTER, 300, 263,
01640   WC_GAME_OPTIONS, WC_NONE,
01641   WDF_UNCLICK_BUTTONS,
01642   _nested_newgrf_widgets, lengthof(_nested_newgrf_widgets)
01643 );
01644 
01650 static void NewGRFConfirmationCallback(Window *w, bool confirmed)
01651 {
01652   if (confirmed) {
01653     DeleteWindowByClass(WC_GRF_PARAMETERS);
01654     NewGRFWindow *nw = dynamic_cast<NewGRFWindow*>(w);
01655 
01656     GamelogStartAction(GLAT_GRF);
01657     GamelogGRFUpdate(_grfconfig, nw->actives); // log GRF changes
01658     CopyGRFConfigList(nw->orig_list, nw->actives, false);
01659     ReloadNewGRFData();
01660     GamelogStopAction();
01661 
01662     /* Show new, updated list */
01663     GRFConfig *c;
01664     int i = 0;
01665     for (c = nw->actives; c != NULL && c != nw->active_sel; c = c->next, i++) {}
01666     CopyGRFConfigList(&nw->actives, *nw->orig_list, false);
01667     for (c = nw->actives; c != NULL && i > 0; c = c->next, i--) {}
01668     nw->active_sel = c;
01669     nw->avails.ForceRebuild();
01670 
01671     w->InvalidateData();
01672 
01673     ReInitAllWindows();
01674     DeleteWindowByClass(WC_BUILD_OBJECT);
01675   }
01676 }
01677 
01678 
01679 
01688 void ShowNewGRFSettings(bool editable, bool show_params, bool exec_changes, GRFConfig **config)
01689 {
01690   DeleteWindowByClass(WC_GAME_OPTIONS);
01691   new NewGRFWindow(&_newgrf_desc, editable, show_params, exec_changes, config);
01692 }

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