newgrf_gui.cpp

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00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include "stdafx.h"
00013 #include "gui.h"
00014 #include "newgrf.h"
00015 #include "strings_func.h"
00016 #include "window_func.h"
00017 #include "gamelog.h"
00018 #include "settings_type.h"
00019 #include "settings_func.h"
00020 #include "widgets/dropdown_type.h"
00021 #include "network/network.h"
00022 #include "network/network_content.h"
00023 #include "sortlist_type.h"
00024 #include "querystring_gui.h"
00025 #include "core/geometry_func.hpp"
00026 #include "newgrf_text.h"
00027 #include "fileio_func.h"
00028 
00029 #include "table/strings.h"
00030 #include "table/sprites.h"
00031 
00035 void ShowNewGRFError()
00036 {
00037   /* Do not show errors when entering the main screen */
00038   if (_game_mode == GM_MENU) return;
00039 
00040   for (const GRFConfig *c = _grfconfig; c != NULL; c = c->next) {
00041     /* We only want to show fatal errors */
00042     if (c->error == NULL || c->error->severity != STR_NEWGRF_ERROR_MSG_FATAL) continue;
00043 
00044     SetDParam   (0, c->error->custom_message == NULL ? c->error->message : STR_JUST_RAW_STRING);
00045     SetDParamStr(1, c->error->custom_message);
00046     SetDParam   (2, STR_JUST_RAW_STRING);
00047     SetDParamStr(3, c->filename);
00048     SetDParam   (4, STR_JUST_RAW_STRING);
00049     SetDParamStr(5, c->error->data);
00050     for (uint i = 0; i < c->error->num_params; i++) {
00051       SetDParam(6 + i, c->error->param_value[i]);
00052     }
00053     ShowErrorMessage(STR_NEWGRF_ERROR_FATAL_POPUP, INVALID_STRING_ID, WL_CRITICAL);
00054     break;
00055   }
00056 }
00057 
00058 static void ShowNewGRFInfo(const GRFConfig *c, uint x, uint y, uint right, uint bottom, bool show_params)
00059 {
00060   if (c->error != NULL) {
00061     char message[512];
00062     SetDParamStr(0, c->error->custom_message); // is skipped by built-in messages
00063     SetDParam   (1, STR_JUST_RAW_STRING);
00064     SetDParamStr(2, c->filename);
00065     SetDParam   (3, STR_JUST_RAW_STRING);
00066     SetDParamStr(4, c->error->data);
00067     for (uint i = 0; i < c->error->num_params; i++) {
00068       SetDParam(5 + i, c->error->param_value[i]);
00069     }
00070     GetString(message, c->error->custom_message == NULL ? c->error->message : STR_JUST_RAW_STRING, lastof(message));
00071 
00072     SetDParamStr(0, message);
00073     y = DrawStringMultiLine(x, right, y, bottom, c->error->severity);
00074   }
00075 
00076   /* Draw filename or not if it is not known (GRF sent over internet) */
00077   if (c->filename != NULL) {
00078     SetDParamStr(0, c->filename);
00079     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_FILENAME);
00080   }
00081 
00082   /* Prepare and draw GRF ID */
00083   char buff[256];
00084   snprintf(buff, lengthof(buff), "%08X", BSWAP32(c->ident.grfid));
00085   SetDParamStr(0, buff);
00086   y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_GRF_ID);
00087 
00088   if ((_settings_client.gui.newgrf_developer_tools || _settings_client.gui.newgrf_show_old_versions) && c->version != 0) {
00089     SetDParam(0, c->version);
00090     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_VERSION);
00091   }
00092   if ((_settings_client.gui.newgrf_developer_tools || _settings_client.gui.newgrf_show_old_versions) && c->min_loadable_version != 0) {
00093     SetDParam(0, c->min_loadable_version);
00094     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_MIN_VERSION);
00095   }
00096 
00097   /* Prepare and draw MD5 sum */
00098   md5sumToString(buff, lastof(buff), c->ident.md5sum);
00099   SetDParamStr(0, buff);
00100   y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_MD5SUM);
00101 
00102   /* Show GRF parameter list */
00103   if (show_params) {
00104     if (c->num_params > 0) {
00105       GRFBuildParamList(buff, c, lastof(buff));
00106       SetDParam(0, STR_JUST_RAW_STRING);
00107       SetDParamStr(1, buff);
00108     } else {
00109       SetDParam(0, STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY_NONE);
00110     }
00111     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_PARAMETER);
00112 
00113     /* Draw the palette of the NewGRF */
00114     SetDParamStr(0, (c->palette & GRFP_USE_WINDOWS) ? "Windows" : "DOS");
00115     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_PALETTE);
00116   }
00117 
00118   /* Show flags */
00119   if (c->status == GCS_NOT_FOUND)       y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_NOT_FOUND);
00120   if (c->status == GCS_DISABLED)        y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_DISABLED);
00121   if (HasBit(c->flags, GCF_INVALID))    y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_INCOMPATIBLE);
00122   if (HasBit(c->flags, GCF_COMPATIBLE)) y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_COMPATIBLE_LOADED);
00123 
00124   /* Draw GRF info if it exists */
00125   if (!StrEmpty(c->GetDescription())) {
00126     SetDParam(0, STR_JUST_RAW_STRING);
00127     SetDParamStr(1, c->GetDescription());
00128     y = DrawStringMultiLine(x, right, y, bottom, STR_BLACK_STRING);
00129   } else {
00130     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_NO_INFO);
00131   }
00132 }
00133 
00134 
00136 enum ShowNewGRFParametersWidgets {
00137   GRFPAR_WIDGET_SHOW_NUMPAR,      
00138   GRFPAR_WIDGET_NUMPAR_DEC,       
00139   GRFPAR_WIDGET_NUMPAR_INC,       
00140   GRFPAR_WIDGET_NUMPAR,           
00141   GRFPAR_WIDGET_NUMPAR_TEXT,      
00142   GRFPAR_WIDGET_BACKGROUND,       
00143   GRFPAR_WIDGET_SCROLLBAR,        
00144   GRFPAR_WIDGET_ACCEPT,           
00145   GRFPAR_WIDGET_RESET,            
00146   GRFPAR_WIDGET_SHOW_DESCRIPTION, 
00147   GRFPAR_WIDGET_DESCRIPTION,      
00148 };
00149 
00153 struct NewGRFParametersWindow : public Window {
00154   static GRFParameterInfo dummy_parameter_info; 
00155   GRFConfig *grf_config; 
00156   uint clicked_button;   
00157   bool clicked_increase; 
00158   int timeout;           
00159   uint clicked_row;      
00160   int line_height;       
00161   Scrollbar *vscroll;
00162   bool action14present;  
00163 
00164   NewGRFParametersWindow(const WindowDesc *desc, GRFConfig *c) : Window(),
00165     grf_config(c),
00166     clicked_button(UINT_MAX),
00167     timeout(0),
00168     clicked_row(UINT_MAX)
00169   {
00170     this->action14present = (c->num_valid_params != lengthof(c->param) || c->param_info.Length() != 0);
00171 
00172     this->CreateNestedTree(desc);
00173     this->vscroll = this->GetScrollbar(GRFPAR_WIDGET_SCROLLBAR);
00174     this->GetWidget<NWidgetStacked>(GRFPAR_WIDGET_SHOW_NUMPAR)->SetDisplayedPlane(this->action14present ? SZSP_HORIZONTAL : 0);
00175     this->GetWidget<NWidgetStacked>(GRFPAR_WIDGET_SHOW_DESCRIPTION)->SetDisplayedPlane(this->action14present ? 0 : SZSP_HORIZONTAL);
00176     this->FinishInitNested(desc);  // Initializes 'this->line_height' as side effect.
00177 
00178     this->InvalidateData();
00179   }
00180 
00186   static GRFParameterInfo *GetDummyParameterInfo(uint nr)
00187   {
00188     dummy_parameter_info.param_nr = nr;
00189     return &dummy_parameter_info;
00190   }
00191 
00192   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00193   {
00194     switch (widget) {
00195       case GRFPAR_WIDGET_NUMPAR_DEC:
00196       case GRFPAR_WIDGET_NUMPAR_INC: {
00197         size->width = size->height = FONT_HEIGHT_NORMAL;
00198         break;
00199       }
00200 
00201       case GRFPAR_WIDGET_NUMPAR: {
00202         SetDParam(0, 999);
00203         Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
00204         d.width += padding.width;
00205         d.height += padding.height;
00206         *size = maxdim(*size, d);
00207         break;
00208       }
00209 
00210       case GRFPAR_WIDGET_BACKGROUND:
00211         this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
00212 
00213         resize->width = 1;
00214         resize->height = this->line_height;
00215         size->height = GB(this->GetWidget<NWidgetCore>(widget)->widget_data, MAT_ROW_START, MAT_ROW_BITS) * this->line_height;
00216         break;
00217 
00218       case GRFPAR_WIDGET_DESCRIPTION:
00219         size->height = max<uint>(size->height, FONT_HEIGHT_NORMAL * 4 + WD_TEXTPANEL_TOP + WD_TEXTPANEL_BOTTOM);
00220         break;
00221     }
00222   }
00223 
00224   virtual void SetStringParameters(int widget) const
00225   {
00226     switch (widget) {
00227       case GRFPAR_WIDGET_NUMPAR:
00228         SetDParam(0, this->vscroll->GetCount());
00229         break;
00230     }
00231   }
00232 
00233   virtual void DrawWidget(const Rect &r, int widget) const
00234   {
00235     if (widget == GRFPAR_WIDGET_DESCRIPTION) {
00236       const GRFParameterInfo *par_info = (this->clicked_row < this->grf_config->param_info.Length()) ? this->grf_config->param_info[this->clicked_row] : NULL;
00237       if (par_info == NULL) return;
00238       const char *desc = GetGRFStringFromGRFText(par_info->desc);
00239       if (desc == NULL) return;
00240       DrawStringMultiLine(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_TEXTPANEL_TOP, r.bottom - WD_TEXTPANEL_BOTTOM, desc, TC_BLACK);
00241       return;
00242     } else if (widget != GRFPAR_WIDGET_BACKGROUND) {
00243       return;
00244     }
00245 
00246     bool rtl = _current_text_dir == TD_RTL;
00247     uint buttons_left = rtl ? r.right - 23 : r.left + 4;
00248     uint text_left    = r.left + (rtl ? WD_FRAMERECT_LEFT : 28);
00249     uint text_right   = r.right - (rtl ? 28 : WD_FRAMERECT_RIGHT);
00250 
00251     int y = r.top;
00252     for (uint i = this->vscroll->GetPosition(); this->vscroll->IsVisible(i) && i < this->vscroll->GetCount(); i++) {
00253       GRFParameterInfo *par_info = (i < this->grf_config->param_info.Length()) ? this->grf_config->param_info[i] : NULL;
00254       if (par_info == NULL) par_info = GetDummyParameterInfo(i);
00255       uint32 current_value = par_info->GetValue(this->grf_config);
00256       bool selected = (i == this->clicked_row);
00257 
00258       if (par_info->type == PTYPE_BOOL) {
00259         DrawFrameRect(buttons_left, y  + 2, buttons_left + 19, y + 10, (current_value != 0) ? COLOUR_GREEN : COLOUR_RED, (current_value != 0) ? FR_LOWERED : FR_NONE);
00260         SetDParam(2, par_info->GetValue(this->grf_config) == 0 ? STR_CONFIG_SETTING_OFF : STR_CONFIG_SETTING_ON);
00261       } else if (par_info->type == PTYPE_UINT_ENUM) {
00262         DrawArrowButtons(buttons_left, y + 2, COLOUR_YELLOW, (this->clicked_button == i) ? 1 + (this->clicked_increase != rtl) : 0, current_value > par_info->min_value, current_value < par_info->max_value);
00263         SetDParam(2, STR_JUST_INT);
00264         SetDParam(3, current_value);
00265         if (par_info->value_names.Contains(current_value)) {
00266           const char *label = GetGRFStringFromGRFText(par_info->value_names.Find(current_value)->second);
00267           if (label != NULL) {
00268             SetDParam(2, STR_JUST_RAW_STRING);
00269             SetDParamStr(3, label);
00270           }
00271         }
00272       }
00273 
00274       const char *name = GetGRFStringFromGRFText(par_info->name);
00275       if (name != NULL) {
00276         SetDParam(0, STR_JUST_RAW_STRING);
00277         SetDParamStr(1, name);
00278       } else {
00279         SetDParam(0, STR_NEWGRF_PARAMETERS_DEFAULT_NAME);
00280         SetDParam(1, i + 1);
00281       }
00282 
00283       DrawString(text_left, text_right, y + WD_MATRIX_TOP, STR_NEWGRF_PARAMETERS_SETTING, selected ? TC_WHITE : TC_LIGHT_BLUE);
00284       y += this->line_height;
00285     }
00286   }
00287 
00288   virtual void OnClick(Point pt, int widget, int click_count)
00289   {
00290     switch (widget) {
00291       case GRFPAR_WIDGET_NUMPAR_DEC:
00292         if (!this->action14present && this->grf_config->num_params > 0) {
00293           this->grf_config->num_params--;
00294           this->InvalidateData();
00295           SetWindowClassesDirty(WC_GAME_OPTIONS); // Is always the newgrf window
00296         }
00297         break;
00298 
00299       case GRFPAR_WIDGET_NUMPAR_INC: {
00300         GRFConfig *c = this->grf_config;
00301         if (!this->action14present && c->num_params < c->num_valid_params) {
00302           c->param[c->num_params++] = 0;
00303           this->InvalidateData();
00304           SetWindowClassesDirty(WC_GAME_OPTIONS); // Is always the newgrf window
00305         }
00306         break;
00307       }
00308 
00309       case GRFPAR_WIDGET_BACKGROUND: {
00310         uint num = this->vscroll->GetScrolledRowFromWidget(pt.y, this, GRFPAR_WIDGET_BACKGROUND);
00311         if (num >= this->vscroll->GetCount()) break;
00312         if (this->clicked_row != num) {
00313           DeleteChildWindows(WC_QUERY_STRING);
00314           this->clicked_row = num;
00315         }
00316 
00317         const NWidgetBase *wid = this->GetWidget<NWidgetBase>(GRFPAR_WIDGET_BACKGROUND);
00318         int x = pt.x - wid->pos_x;
00319         if (_current_text_dir == TD_RTL) x = wid->current_x - x;
00320         x -= 4;
00321 
00322         GRFParameterInfo *par_info = (num < this->grf_config->param_info.Length()) ? this->grf_config->param_info[num] : NULL;
00323         if (par_info == NULL) par_info = GetDummyParameterInfo(num);
00324 
00325         /* One of the arrows is clicked */
00326         if (IsInsideMM(x, 0, 21)) {
00327           uint32 val = par_info->GetValue(this->grf_config);
00328           uint32 old_val = val;
00329           if (par_info->type == PTYPE_BOOL) {
00330             val = !val;
00331           } else {
00332             if (x >= 10) {
00333               /* Increase button clicked */
00334               if (val < par_info->max_value) val++;
00335               this->clicked_increase = true;
00336             } else {
00337               /* Decrease button clicked */
00338               if (val > par_info->min_value) val--;
00339               this->clicked_increase = false;
00340             }
00341           }
00342           if (val != old_val) {
00343             par_info->SetValue(this->grf_config, val);
00344 
00345             this->clicked_button = num;
00346             this->timeout = 5;
00347           }
00348         } else if (par_info->type == PTYPE_UINT_ENUM && click_count >= 2) {
00349           /* Display a query box so users can enter a custom value. */
00350           SetDParam(0, this->grf_config->param[num]);
00351           ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, this, CS_NUMERAL, QSF_NONE);
00352         }
00353         this->SetDirty();
00354         break;
00355       }
00356 
00357       case GRFPAR_WIDGET_RESET:
00358         this->grf_config->SetParameterDefaults();
00359         this->InvalidateData();
00360         SetWindowClassesDirty(WC_GAME_OPTIONS); // Is always the newgrf window
00361         break;
00362 
00363       case GRFPAR_WIDGET_ACCEPT:
00364         delete this;
00365         break;
00366     }
00367   }
00368 
00369   virtual void OnQueryTextFinished(char *str)
00370   {
00371     if (StrEmpty(str)) return;
00372     int32 value = atoi(str);
00373     GRFParameterInfo *par_info = ((uint)this->clicked_row < this->grf_config->param_info.Length()) ? this->grf_config->param_info[this->clicked_row] : NULL;
00374     if (par_info == NULL) par_info = GetDummyParameterInfo(this->clicked_row);
00375     uint32 val = Clamp<uint32>(value, par_info->min_value, par_info->max_value);
00376     par_info->SetValue(this->grf_config, val);
00377     this->SetDirty();
00378   }
00379 
00380   virtual void OnResize()
00381   {
00382     NWidgetCore *nwi = this->GetWidget<NWidgetCore>(GRFPAR_WIDGET_BACKGROUND);
00383     this->vscroll->SetCapacity(nwi->current_y / this->line_height);
00384     nwi->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
00385   }
00386 
00392   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00393   {
00394     if (!gui_scope) return;
00395     if (!this->action14present) {
00396       this->SetWidgetDisabledState(GRFPAR_WIDGET_NUMPAR_DEC, this->grf_config->num_params == 0);
00397       this->SetWidgetDisabledState(GRFPAR_WIDGET_NUMPAR_INC, this->grf_config->num_params >= this->grf_config->num_valid_params);
00398     }
00399 
00400     this->vscroll->SetCount(this->action14present ? this->grf_config->num_valid_params : this->grf_config->num_params);
00401     if (this->clicked_row != UINT_MAX && this->clicked_row >= this->vscroll->GetCount()) {
00402       this->clicked_row = UINT_MAX;
00403       DeleteChildWindows(WC_QUERY_STRING);
00404     }
00405   }
00406 
00407   virtual void OnTick()
00408   {
00409     if (--this->timeout == 0) {
00410       this->clicked_button = UINT_MAX;
00411       this->SetDirty();
00412     }
00413   }
00414 };
00415 GRFParameterInfo NewGRFParametersWindow::dummy_parameter_info(0);
00416 
00417 
00418 static const NWidgetPart _nested_newgrf_parameter_widgets[] = {
00419   NWidget(NWID_HORIZONTAL),
00420     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
00421     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_PARAMETERS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00422   EndContainer(),
00423   NWidget(NWID_SELECTION, INVALID_COLOUR, GRFPAR_WIDGET_SHOW_NUMPAR),
00424     NWidget(WWT_PANEL, COLOUR_MAUVE), SetResize(1, 0), SetFill(1, 0), SetPIP(4, 0, 4),
00425       NWidget(NWID_HORIZONTAL), SetPIP(4, 0, 4),
00426         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, GRFPAR_WIDGET_NUMPAR_DEC), SetMinimalSize(12, 12), SetDataTip(AWV_DECREASE, STR_NULL),
00427         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, GRFPAR_WIDGET_NUMPAR_INC), SetMinimalSize(12, 12), SetDataTip(AWV_INCREASE, STR_NULL),
00428         NWidget(WWT_TEXT, COLOUR_MAUVE, GRFPAR_WIDGET_NUMPAR), SetResize(1, 0), SetFill(1, 0), SetPadding(0, 0, 0, 4), SetDataTip(STR_NEWGRF_PARAMETERS_NUM_PARAM, STR_NULL),
00429       EndContainer(),
00430     EndContainer(),
00431   EndContainer(),
00432   NWidget(NWID_HORIZONTAL),
00433     NWidget(WWT_MATRIX, COLOUR_MAUVE, GRFPAR_WIDGET_BACKGROUND), SetMinimalSize(188, 182), SetResize(1, 1), SetFill(1, 0), SetDataTip(0x501, STR_NULL), SetScrollbar(GRFPAR_WIDGET_SCROLLBAR),
00434     NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, GRFPAR_WIDGET_SCROLLBAR),
00435   EndContainer(),
00436   NWidget(NWID_SELECTION, INVALID_COLOUR, GRFPAR_WIDGET_SHOW_DESCRIPTION),
00437     NWidget(WWT_PANEL, COLOUR_MAUVE, GRFPAR_WIDGET_DESCRIPTION), SetResize(1, 0), SetFill(1, 0),
00438     EndContainer(),
00439   EndContainer(),
00440   NWidget(NWID_HORIZONTAL),
00441     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
00442       NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, GRFPAR_WIDGET_ACCEPT), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_NEWGRF_PARAMETERS_CLOSE, STR_NULL),
00443       NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, GRFPAR_WIDGET_RESET), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_NEWGRF_PARAMETERS_RESET, STR_NEWGRF_PARAMETERS_RESET_TOOLTIP),
00444     EndContainer(),
00445     NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
00446   EndContainer(),
00447 };
00448 
00449 /* Window definition for the change grf parameters window */
00450 static const WindowDesc _newgrf_parameters_desc(
00451   WDP_CENTER, 500, 208,
00452   WC_GRF_PARAMETERS, WC_NONE,
00453   WDF_UNCLICK_BUTTONS,
00454   _nested_newgrf_parameter_widgets, lengthof(_nested_newgrf_parameter_widgets)
00455 );
00456 
00457 void OpenGRFParameterWindow(GRFConfig *c)
00458 {
00459   DeleteWindowByClass(WC_GRF_PARAMETERS);
00460   new NewGRFParametersWindow(&_newgrf_parameters_desc, c);
00461 }
00462 
00463 static GRFPresetList _grf_preset_list;
00464 
00465 class DropDownListPresetItem : public DropDownListItem {
00466 public:
00467   DropDownListPresetItem(int result) : DropDownListItem(result, false) {}
00468 
00469   virtual ~DropDownListPresetItem() {}
00470 
00471   bool Selectable() const
00472   {
00473     return true;
00474   }
00475 
00476   void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const
00477   {
00478     DrawString(left + 2, right + 2, top, _grf_preset_list[this->result], sel ? TC_WHITE : TC_BLACK);
00479   }
00480 };
00481 
00482 static void NewGRFConfirmationCallback(Window *w, bool confirmed);
00483 
00485 enum ShowNewGRFStateWidgets {
00486   SNGRFS_PRESET_LIST,
00487   SNGRFS_PRESET_SAVE,
00488   SNGRFS_PRESET_DELETE,
00489   SNGRFS_ADD,
00490   SNGRFS_REMOVE,
00491   SNGRFS_MOVE_UP,
00492   SNGRFS_MOVE_DOWN,
00493   SNGRFS_FILTER,
00494   SNGRFS_FILE_LIST,
00495   SNGRFS_SCROLLBAR,
00496   SNGRFS_AVAIL_LIST,
00497   SNGRFS_SCROLL2BAR,
00498   SNGRFS_NEWGRF_INFO_TITLE,
00499   SNGRFS_NEWGRF_INFO,
00500   SNGRFS_SET_PARAMETERS,
00501   SNGRFS_TOGGLE_PALETTE,
00502   SNGRFS_APPLY_CHANGES,
00503   SNGRFS_RESCAN_FILES,
00504   SNGRFS_RESCAN_FILES2,
00505   SNGRFS_CONTENT_DOWNLOAD,
00506   SNGRFS_CONTENT_DOWNLOAD2,
00507   SNGRFS_SHOW_REMOVE, 
00508   SNGRFS_SHOW_APPLY,  
00509 };
00510 
00514 struct NewGRFWindow : public QueryStringBaseWindow {
00515   typedef GUIList<const GRFConfig *> GUIGRFConfigList;
00516 
00517   static const uint EDITBOX_MAX_SIZE   =  50;
00518 
00519   static Listing   last_sorting;   
00520   static Filtering last_filtering; 
00521   static GUIGRFConfigList::SortFunction   * const sorter_funcs[]; 
00522   static GUIGRFConfigList::FilterFunction * const filter_funcs[]; 
00523 
00524   GUIGRFConfigList avails;    
00525   const GRFConfig *avail_sel; 
00526   int avail_pos;              
00527 
00528   GRFConfig *actives;         
00529   GRFConfig *active_sel;      
00530 
00531   GRFConfig **orig_list;      
00532   bool editable;              
00533   bool show_params;           
00534   bool execute;               
00535   int preset;                 
00536 
00537   Scrollbar *vscroll;
00538   Scrollbar *vscroll2;
00539 
00540   NewGRFWindow(const WindowDesc *desc, bool editable, bool show_params, bool execute, GRFConfig **orig_list) : QueryStringBaseWindow(EDITBOX_MAX_SIZE)
00541   {
00542     this->avail_sel   = NULL;
00543     this->avail_pos   = -1;
00544     this->active_sel  = NULL;
00545     this->actives     = NULL;
00546     this->orig_list   = orig_list;
00547     this->editable    = editable;
00548     this->execute     = execute;
00549     this->show_params = show_params;
00550     this->preset      = -1;
00551 
00552     CopyGRFConfigList(&this->actives, *orig_list, false);
00553     GetGRFPresetList(&_grf_preset_list);
00554 
00555     this->CreateNestedTree(desc);
00556     this->vscroll = this->GetScrollbar(SNGRFS_SCROLLBAR);
00557     this->vscroll2 = this->GetScrollbar(SNGRFS_SCROLL2BAR);
00558 
00559     this->GetWidget<NWidgetStacked>(SNGRFS_SHOW_REMOVE)->SetDisplayedPlane(this->editable ? 0 : 1);
00560     this->GetWidget<NWidgetStacked>(SNGRFS_SHOW_APPLY)->SetDisplayedPlane(this->editable ? 0 : SZSP_HORIZONTAL);
00561     this->FinishInitNested(desc);
00562 
00563     InitializeTextBuffer(&this->text, this->edit_str_buf, this->edit_str_size);
00564     this->SetFocusedWidget(SNGRFS_FILTER);
00565 
00566     this->avails.SetListing(this->last_sorting);
00567     this->avails.SetFiltering(this->last_filtering);
00568     this->avails.SetSortFuncs(this->sorter_funcs);
00569     this->avails.SetFilterFuncs(this->filter_funcs);
00570     this->avails.ForceRebuild();
00571 
00572     this->OnInvalidateData(2);
00573   }
00574 
00575   ~NewGRFWindow()
00576   {
00577     DeleteWindowByClass(WC_GRF_PARAMETERS);
00578 
00579     if (this->editable && !this->execute) {
00580       CopyGRFConfigList(this->orig_list, this->actives, true);
00581       ResetGRFConfig(false);
00582       ReloadNewGRFData();
00583     }
00584 
00585     /* Remove the temporary copy of grf-list used in window */
00586     ClearGRFConfigList(&this->actives);
00587     _grf_preset_list.Clear();
00588   }
00589 
00590   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00591   {
00592     switch (widget) {
00593       case SNGRFS_FILE_LIST:
00594         resize->height = max(12, FONT_HEIGHT_NORMAL + 2);
00595         size->height = max(size->height, WD_FRAMERECT_TOP + 6 * resize->height + WD_FRAMERECT_BOTTOM);
00596         break;
00597 
00598       case SNGRFS_AVAIL_LIST:
00599         resize->height = max(12, FONT_HEIGHT_NORMAL + 2);
00600         size->height = max(size->height, WD_FRAMERECT_TOP + 8 * resize->height + WD_FRAMERECT_BOTTOM);
00601         break;
00602 
00603       case SNGRFS_NEWGRF_INFO_TITLE: {
00604         Dimension dim = GetStringBoundingBox(STR_NEWGRF_SETTINGS_INFO_TITLE);
00605         size->height = max(size->height, dim.height + WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM);
00606         size->width  = max(size->width,  dim.width  + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT);
00607         break;
00608       }
00609 
00610       case SNGRFS_NEWGRF_INFO:
00611         size->height = max(size->height, WD_FRAMERECT_TOP + 10 * FONT_HEIGHT_NORMAL + WD_FRAMERECT_BOTTOM + padding.height + 2);
00612         break;
00613 
00614       case SNGRFS_PRESET_LIST: {
00615         Dimension d = GetStringBoundingBox(STR_NUM_CUSTOM);
00616         for (uint i = 0; i < _grf_preset_list.Length(); i++) {
00617           if (_grf_preset_list[i] != NULL) {
00618             SetDParamStr(0, _grf_preset_list[i]);
00619             d = maxdim(d, GetStringBoundingBox(STR_JUST_RAW_STRING));
00620           }
00621         }
00622         d.width += padding.width;
00623         *size = maxdim(d, *size);
00624         break;
00625       }
00626 
00627       case SNGRFS_CONTENT_DOWNLOAD:
00628       case SNGRFS_CONTENT_DOWNLOAD2: {
00629         Dimension d = GetStringBoundingBox(STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_BUTTON);
00630         *size = maxdim(d, GetStringBoundingBox(STR_INTRO_ONLINE_CONTENT));
00631         size->width  += padding.width;
00632         size->height += padding.height;
00633         break;
00634       }
00635     }
00636   }
00637 
00638   virtual void OnResize()
00639   {
00640     this->vscroll->SetCapacityFromWidget(this, SNGRFS_FILE_LIST);
00641     this->vscroll2->SetCapacityFromWidget(this, SNGRFS_AVAIL_LIST);
00642   }
00643 
00644   virtual void SetStringParameters(int widget) const
00645   {
00646     switch (widget) {
00647       case SNGRFS_PRESET_LIST:
00648         if (this->preset == -1) {
00649           SetDParam(0, STR_NUM_CUSTOM);
00650         } else {
00651           SetDParam(0, STR_JUST_RAW_STRING);
00652           SetDParamStr(1, _grf_preset_list[this->preset]);
00653         }
00654         break;
00655     }
00656   }
00657 
00658   virtual void OnPaint()
00659   {
00660     this->DrawWidgets();
00661     if (this->editable) this->DrawEditBox(SNGRFS_FILTER);
00662   }
00663 
00669   FORCEINLINE PaletteID GetPalette(const GRFConfig *c) const
00670   {
00671     PaletteID pal;
00672 
00673     /* Pick a colour */
00674     switch (c->status) {
00675       case GCS_NOT_FOUND:
00676       case GCS_DISABLED:
00677         pal = PALETTE_TO_RED;
00678         break;
00679       case GCS_ACTIVATED:
00680         pal = PALETTE_TO_GREEN;
00681         break;
00682       default:
00683         pal = PALETTE_TO_BLUE;
00684         break;
00685     }
00686 
00687     /* Do not show a "not-failure" colour when it actually failed to load */
00688     if (pal != PALETTE_TO_RED) {
00689       if (HasBit(c->flags, GCF_STATIC)) {
00690         pal = PALETTE_TO_GREY;
00691       } else if (HasBit(c->flags, GCF_COMPATIBLE)) {
00692         pal = PALETTE_TO_ORANGE;
00693       }
00694     }
00695 
00696     return pal;
00697   }
00698 
00699   virtual void DrawWidget(const Rect &r, int widget) const
00700   {
00701     switch (widget) {
00702       case SNGRFS_FILE_LIST: {
00703         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK);
00704 
00705         uint step_height = this->GetWidget<NWidgetBase>(SNGRFS_FILE_LIST)->resize_y;
00706         uint y = r.top + WD_FRAMERECT_TOP;
00707         int sprite_offset_y = (step_height - 10) / 2;
00708         int offset_y = (step_height - FONT_HEIGHT_NORMAL) / 2;
00709 
00710         bool rtl = _current_text_dir == TD_RTL;
00711         uint text_left    = rtl ? r.left + WD_FRAMERECT_LEFT : r.left + 25;
00712         uint text_right   = rtl ? r.right - 25 : r.right - WD_FRAMERECT_RIGHT;
00713         uint square_left  = rtl ? r.right - 15 : r.left + 5;
00714         uint warning_left = rtl ? r.right - 30 : r.left + 20;
00715 
00716         int i = 0;
00717         for (const GRFConfig *c = this->actives; c != NULL; c = c->next, i++) {
00718           if (this->vscroll->IsVisible(i)) {
00719             const char *text = c->GetName();
00720             bool h = (this->active_sel == c);
00721             PaletteID pal = this->GetPalette(c);
00722 
00723             if (h) GfxFillRect(r.left + 1, y, r.right - 1, y + step_height - 1, PC_DARK_BLUE);
00724             DrawSprite(SPR_SQUARE, pal, square_left, y + sprite_offset_y);
00725             if (c->error != NULL) DrawSprite(SPR_WARNING_SIGN, 0, warning_left, y + sprite_offset_y);
00726             uint txtoffset = c->error == NULL ? 0 : 10;
00727             DrawString(text_left + (rtl ? 0 : txtoffset), text_right - (rtl ? txtoffset : 0), y + offset_y, text, h ? TC_WHITE : TC_ORANGE);
00728             y += step_height;
00729           }
00730         }
00731         break;
00732       }
00733 
00734       case SNGRFS_AVAIL_LIST: {
00735         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK);
00736 
00737         uint step_height = this->GetWidget<NWidgetBase>(SNGRFS_AVAIL_LIST)->resize_y;
00738         int offset_y = (step_height - FONT_HEIGHT_NORMAL) / 2;
00739         uint y = r.top + WD_FRAMERECT_TOP;
00740         uint min_index = this->vscroll2->GetPosition();
00741         uint max_index = min(min_index + this->vscroll2->GetCapacity(), this->avails.Length());
00742 
00743         for (uint i = min_index; i < max_index; i++) {
00744           const GRFConfig *c = this->avails[i];
00745           bool h = (c == this->avail_sel);
00746           const char *text = c->GetName();
00747 
00748           if (h) GfxFillRect(r.left + 1, y, r.right - 1, y + step_height - 1, PC_DARK_BLUE);
00749           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y + offset_y, text, h ? TC_WHITE : TC_SILVER);
00750           y += step_height;
00751         }
00752         break;
00753       }
00754 
00755       case SNGRFS_NEWGRF_INFO_TITLE:
00756         /* Create the nice grayish rectangle at the details top. */
00757         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_DARK_BLUE);
00758         DrawString(r.left, r.right, (r.top + r.bottom - FONT_HEIGHT_NORMAL) / 2, STR_NEWGRF_SETTINGS_INFO_TITLE, TC_FROMSTRING, SA_HOR_CENTER);
00759         break;
00760 
00761       case SNGRFS_NEWGRF_INFO: {
00762         const GRFConfig *selected = this->active_sel;
00763         if (selected == NULL) selected = this->avail_sel;
00764         if (selected != NULL) {
00765           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);
00766         }
00767         break;
00768       }
00769     }
00770   }
00771 
00772   virtual void OnClick(Point pt, int widget, int click_count)
00773   {
00774     switch (widget) {
00775       case SNGRFS_PRESET_LIST: {
00776         DropDownList *list = new DropDownList();
00777 
00778         /* Add 'None' option for clearing list */
00779         list->push_back(new DropDownListStringItem(STR_NONE, -1, false));
00780 
00781         for (uint i = 0; i < _grf_preset_list.Length(); i++) {
00782           if (_grf_preset_list[i] != NULL) {
00783             list->push_back(new DropDownListPresetItem(i));
00784           }
00785         }
00786 
00787         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00788         ShowDropDownList(this, list, this->preset, SNGRFS_PRESET_LIST);
00789         break;
00790       }
00791 
00792       case SNGRFS_PRESET_SAVE:
00793         ShowQueryString(STR_EMPTY, STR_NEWGRF_SETTINGS_PRESET_SAVE_QUERY, 32, this, CS_ALPHANUMERAL, QSF_NONE);
00794         break;
00795 
00796       case SNGRFS_PRESET_DELETE:
00797         if (this->preset == -1) return;
00798 
00799         DeleteGRFPresetFromConfig(_grf_preset_list[this->preset]);
00800         GetGRFPresetList(&_grf_preset_list);
00801         this->preset = -1;
00802         this->InvalidateData();
00803         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00804         break;
00805 
00806       case SNGRFS_MOVE_UP: { // Move GRF up
00807         if (this->active_sel == NULL || !this->editable) break;
00808 
00809         int pos = 0;
00810         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next, pos++) {
00811           GRFConfig *c = *pc;
00812           if (c->next == this->active_sel) {
00813             c->next = this->active_sel->next;
00814             this->active_sel->next = c;
00815             *pc = this->active_sel;
00816             break;
00817           }
00818         }
00819         this->vscroll->ScrollTowards(pos);
00820         this->preset = -1;
00821         this->InvalidateData();
00822         break;
00823       }
00824 
00825       case SNGRFS_MOVE_DOWN: { // Move GRF down
00826         if (this->active_sel == NULL || !this->editable) break;
00827 
00828         int pos = 1; // Start at 1 as we swap the selected newgrf with the next one
00829         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next, pos++) {
00830           GRFConfig *c = *pc;
00831           if (c == this->active_sel) {
00832             *pc = c->next;
00833             c->next = c->next->next;
00834             (*pc)->next = c;
00835             break;
00836           }
00837         }
00838         this->vscroll->ScrollTowards(pos);
00839         this->preset = -1;
00840         this->InvalidateData();
00841         break;
00842       }
00843 
00844       case SNGRFS_FILE_LIST: { // Select an active GRF.
00845         uint i = this->vscroll->GetScrolledRowFromWidget(pt.y, this, SNGRFS_FILE_LIST);
00846 
00847         GRFConfig *c;
00848         for (c = this->actives; c != NULL && i > 0; c = c->next, i--) {}
00849 
00850         if (this->active_sel != c) DeleteWindowByClass(WC_GRF_PARAMETERS);
00851         this->active_sel = c;
00852         this->avail_sel = NULL;
00853         this->avail_pos = -1;
00854 
00855         this->InvalidateData();
00856         if (click_count == 1) break;
00857         /* FALL THROUGH, with double click. */
00858       }
00859 
00860       case SNGRFS_REMOVE: { // Remove GRF
00861         if (this->active_sel == NULL || !this->editable) break;
00862         DeleteWindowByClass(WC_GRF_PARAMETERS);
00863 
00864         /* Choose the next GRF file to be the selected file. */
00865         GRFConfig *newsel = this->active_sel->next;
00866         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next) {
00867           GRFConfig *c = *pc;
00868           /* If the new selection is empty (i.e. we're deleting the last item
00869            * in the list, pick the file just before the selected file */
00870           if (newsel == NULL && c->next == this->active_sel) newsel = c;
00871 
00872           if (c == this->active_sel) {
00873             *pc = c->next;
00874             delete c;
00875             break;
00876           }
00877         }
00878 
00879         this->active_sel = newsel;
00880         this->preset = -1;
00881         this->avail_pos = -1;
00882         this->avail_sel = NULL;
00883         this->avails.ForceRebuild();
00884         this->InvalidateData(2);
00885         break;
00886       }
00887 
00888       case SNGRFS_AVAIL_LIST: { // Select a non-active GRF.
00889         uint i = this->vscroll2->GetScrolledRowFromWidget(pt.y, this, SNGRFS_AVAIL_LIST);
00890         this->active_sel = NULL;
00891         DeleteWindowByClass(WC_GRF_PARAMETERS);
00892         if (i < this->avails.Length()) {
00893           this->avail_sel = this->avails[i];
00894           this->avail_pos = i;
00895         }
00896         this->InvalidateData();
00897         if (click_count == 1) break;
00898         /* FALL THROUGH, with double click. */
00899       }
00900 
00901       case SNGRFS_ADD: {
00902         if (this->avail_sel == NULL || !this->editable || HasBit(this->avail_sel->flags, GCF_INVALID)) break;
00903 
00904         GRFConfig **list;
00905         /* Find last entry in the list, checking for duplicate grfid on the way */
00906         for (list = &this->actives; *list != NULL; list = &(*list)->next) {
00907           if ((*list)->ident.grfid == this->avail_sel->ident.grfid) {
00908             ShowErrorMessage(STR_NEWGRF_DUPLICATE_GRFID, INVALID_STRING_ID, WL_INFO);
00909             return;
00910           }
00911         }
00912 
00913         GRFConfig *c = new GRFConfig(*this->avail_sel); // Copy GRF details from scanned list.
00914         c->SetParameterDefaults();
00915         *list = c; // Append GRF config to configuration list.
00916 
00917         /* Select next (or previous, if last one) item in the list. */
00918         int new_pos = this->avail_pos + 1;
00919         if (new_pos >= (int)this->avails.Length()) new_pos = this->avail_pos - 1;
00920         this->avail_pos = new_pos;
00921         if (new_pos >= 0) this->avail_sel = this->avails[new_pos];
00922 
00923         this->avails.ForceRebuild();
00924         this->InvalidateData(2);
00925         break;
00926       }
00927 
00928       case SNGRFS_APPLY_CHANGES: // Apply changes made to GRF list
00929         if (!this->editable) break;
00930         if (this->execute) {
00931           ShowQuery(
00932             STR_NEWGRF_POPUP_CAUTION_CAPTION,
00933             STR_NEWGRF_CONFIRMATION_TEXT,
00934             this,
00935             NewGRFConfirmationCallback
00936           );
00937         } else {
00938           CopyGRFConfigList(this->orig_list, this->actives, true);
00939           ResetGRFConfig(false);
00940           ReloadNewGRFData();
00941         }
00942         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00943         break;
00944 
00945       case SNGRFS_SET_PARAMETERS: { // Edit parameters
00946         if (this->active_sel == NULL || !this->editable || !this->show_params) break;
00947 
00948         OpenGRFParameterWindow(this->active_sel);
00949         break;
00950       }
00951 
00952       case SNGRFS_TOGGLE_PALETTE:
00953         if (this->active_sel != NULL || !this->editable) {
00954           this->active_sel->palette ^= GRFP_USE_MASK;
00955           this->SetDirty();
00956         }
00957         break;
00958 
00959       case SNGRFS_CONTENT_DOWNLOAD:
00960       case SNGRFS_CONTENT_DOWNLOAD2:
00961         if (!_network_available) {
00962           ShowErrorMessage(STR_NETWORK_ERROR_NOTAVAILABLE, INVALID_STRING_ID, WL_ERROR);
00963         } else {
00964 #if defined(ENABLE_NETWORK)
00965           this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00966 
00967           /* Only show the things in the current list, or everything when nothing's selected */
00968           ContentVector cv;
00969           for (const GRFConfig *c = this->actives; c != NULL; c = c->next) {
00970             if (c->status != GCS_NOT_FOUND && !HasBit(c->flags, GCF_COMPATIBLE)) continue;
00971 
00972             ContentInfo *ci = new ContentInfo();
00973             ci->type = CONTENT_TYPE_NEWGRF;
00974             ci->state = ContentInfo::DOES_NOT_EXIST;
00975             ttd_strlcpy(ci->name, c->GetName(), lengthof(ci->name));
00976             ci->unique_id = BSWAP32(c->ident.grfid);
00977             memcpy(ci->md5sum, HasBit(c->flags, GCF_COMPATIBLE) ? c->original_md5sum : c->ident.md5sum, sizeof(ci->md5sum));
00978             *cv.Append() = ci;
00979           }
00980           ShowNetworkContentListWindow(cv.Length() == 0 ? NULL : &cv, CONTENT_TYPE_NEWGRF);
00981 #endif
00982         }
00983         break;
00984 
00985       case SNGRFS_RESCAN_FILES:
00986       case SNGRFS_RESCAN_FILES2:
00987         TarScanner::DoScan();
00988         ScanNewGRFFiles();
00989         this->avail_sel = NULL;
00990         this->avail_pos = -1;
00991         this->avails.ForceRebuild();
00992         this->InvalidateData(1);
00993         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00994         InvalidateWindowClassesData(WC_SAVELOAD);
00995         break;
00996     }
00997   }
00998 
00999   virtual void OnDropdownSelect(int widget, int index)
01000   {
01001     if (!this->editable) return;
01002 
01003     ClearGRFConfigList(&this->actives);
01004     this->preset = index;
01005 
01006     if (index != -1) {
01007       GRFConfig *c = LoadGRFPresetFromConfig(_grf_preset_list[index]);
01008 
01009       this->active_sel = NULL;
01010       this->actives = c;
01011       this->avails.ForceRebuild();
01012     }
01013 
01014     DeleteWindowByClass(WC_GRF_PARAMETERS);
01015     this->active_sel = NULL;
01016     this->InvalidateData(3);
01017   }
01018 
01019   virtual void OnQueryTextFinished(char *str)
01020   {
01021     if (str == NULL) return;
01022 
01023     SaveGRFPresetToConfig(str, this->actives);
01024     GetGRFPresetList(&_grf_preset_list);
01025 
01026     /* Switch to this preset */
01027     for (uint i = 0; i < _grf_preset_list.Length(); i++) {
01028       if (_grf_preset_list[i] != NULL && strcmp(_grf_preset_list[i], str) == 0) {
01029         this->preset = i;
01030         break;
01031       }
01032     }
01033 
01034     this->InvalidateData();
01035   }
01036 
01047   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
01048   {
01049     if (!gui_scope) return;
01050     switch (data) {
01051       default: NOT_REACHED();
01052       case 0:
01053         /* Nothing important to do */
01054         break;
01055 
01056       case 1:
01057         /* Search the list for items that are now found and mark them as such. */
01058         for (GRFConfig **l = &this->actives; *l != NULL; l = &(*l)->next) {
01059           GRFConfig *c = *l;
01060           bool compatible = HasBit(c->flags, GCF_COMPATIBLE);
01061           if (c->status != GCS_NOT_FOUND && !compatible) continue;
01062 
01063           const GRFConfig *f = FindGRFConfig(c->ident.grfid, FGCM_EXACT, compatible ? c->original_md5sum : c->ident.md5sum);
01064           if (f == NULL || HasBit(f->flags, GCF_INVALID)) continue;
01065 
01066           *l = new GRFConfig(*f);
01067           (*l)->next = c->next;
01068 
01069           if (active_sel == c) active_sel = *l;
01070 
01071           delete c;
01072         }
01073         /* FALL THROUGH */
01074       case 4:
01075         this->avails.ForceRebuild();
01076         /* FALL THROUGH */
01077       case 2:
01078         this->preset = -1;
01079         /* FALL THROUGH */
01080       case 3: {
01081         int i = 0;
01082         for (const GRFConfig *c = this->actives; c != NULL; c = c->next, i++) {}
01083 
01084         this->vscroll->SetCapacityFromWidget(this, SNGRFS_FILE_LIST);
01085         this->vscroll->SetCount(i);
01086 
01087         this->vscroll2->SetCapacityFromWidget(this, SNGRFS_AVAIL_LIST);
01088         if (this->avail_pos >= 0) this->vscroll2->ScrollTowards(this->avail_pos);
01089         break;
01090       }
01091     }
01092 
01093     this->BuildAvailables();
01094 
01095     this->SetWidgetsDisabledState(!this->editable,
01096       SNGRFS_PRESET_LIST,
01097       SNGRFS_APPLY_CHANGES,
01098       SNGRFS_TOGGLE_PALETTE,
01099       WIDGET_LIST_END
01100     );
01101     this->SetWidgetDisabledState(SNGRFS_ADD, !this->editable || this->avail_sel == NULL || HasBit(this->avail_sel->flags, GCF_INVALID));
01102 
01103     bool disable_all = this->active_sel == NULL || !this->editable;
01104     this->SetWidgetsDisabledState(disable_all,
01105       SNGRFS_REMOVE,
01106       SNGRFS_MOVE_UP,
01107       SNGRFS_MOVE_DOWN,
01108       WIDGET_LIST_END
01109     );
01110     this->SetWidgetDisabledState(SNGRFS_SET_PARAMETERS, !this->show_params || disable_all);
01111     this->SetWidgetDisabledState(SNGRFS_TOGGLE_PALETTE, disable_all);
01112 
01113     if (!disable_all) {
01114       /* All widgets are now enabled, so disable widgets we can't use */
01115       if (this->active_sel == this->actives)    this->DisableWidget(SNGRFS_MOVE_UP);
01116       if (this->active_sel->next == NULL)       this->DisableWidget(SNGRFS_MOVE_DOWN);
01117       if (this->active_sel->IsOpenTTDBaseGRF()) this->DisableWidget(SNGRFS_REMOVE);
01118     }
01119 
01120     this->SetWidgetDisabledState(SNGRFS_PRESET_DELETE, this->preset == -1);
01121 
01122     bool has_missing = false;
01123     bool has_compatible = false;
01124     for (const GRFConfig *c = this->actives; !has_missing && c != NULL; c = c->next) {
01125       has_missing    |= c->status == GCS_NOT_FOUND;
01126       has_compatible |= HasBit(c->flags, GCF_COMPATIBLE);
01127     }
01128     uint16 widget_data;
01129     StringID tool_tip;
01130     if (has_missing || has_compatible) {
01131       widget_data = STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_BUTTON;
01132       tool_tip    = STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_TOOLTIP;
01133     } else {
01134       widget_data = STR_INTRO_ONLINE_CONTENT;
01135       tool_tip    = STR_INTRO_TOOLTIP_ONLINE_CONTENT;
01136     }
01137     this->GetWidget<NWidgetCore>(SNGRFS_CONTENT_DOWNLOAD)->widget_data  = widget_data;
01138     this->GetWidget<NWidgetCore>(SNGRFS_CONTENT_DOWNLOAD)->tool_tip     = tool_tip;
01139     this->GetWidget<NWidgetCore>(SNGRFS_CONTENT_DOWNLOAD2)->widget_data = widget_data;
01140     this->GetWidget<NWidgetCore>(SNGRFS_CONTENT_DOWNLOAD2)->tool_tip    = tool_tip;
01141 
01142     this->SetWidgetDisabledState(SNGRFS_PRESET_SAVE, has_missing);
01143   }
01144 
01145   virtual void OnMouseLoop()
01146   {
01147     if (this->editable) this->HandleEditBox(SNGRFS_FILTER);
01148   }
01149 
01150   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
01151   {
01152     if (!this->editable) return ES_NOT_HANDLED;
01153 
01154     switch (keycode) {
01155       case WKC_UP:
01156         /* scroll up by one */
01157         if (this->avail_pos > 0) this->avail_pos--;
01158         break;
01159 
01160       case WKC_DOWN:
01161         /* scroll down by one */
01162         if (this->avail_pos < (int)this->avails.Length() - 1) this->avail_pos++;
01163         break;
01164 
01165       case WKC_PAGEUP:
01166         /* scroll up a page */
01167         this->avail_pos = (this->avail_pos < this->vscroll2->GetCapacity()) ? 0 : this->avail_pos - this->vscroll2->GetCapacity();
01168         break;
01169 
01170       case WKC_PAGEDOWN:
01171         /* scroll down a page */
01172         this->avail_pos = min(this->avail_pos + this->vscroll2->GetCapacity(), (int)this->avails.Length() - 1);
01173         break;
01174 
01175       case WKC_HOME:
01176         /* jump to beginning */
01177         this->avail_pos = 0;
01178         break;
01179 
01180       case WKC_END:
01181         /* jump to end */
01182         this->avail_pos = this->avails.Length() - 1;
01183         break;
01184 
01185       default: {
01186         /* Handle editbox input */
01187         EventState state = ES_NOT_HANDLED;
01188         if (this->HandleEditBoxKey(SNGRFS_FILTER, key, keycode, state) == HEBR_EDITING) {
01189           this->OnOSKInput(SNGRFS_FILTER);
01190         }
01191         return state;
01192       }
01193     }
01194 
01195     if (this->avails.Length() == 0) this->avail_pos = -1;
01196     if (this->avail_pos >= 0) {
01197       this->avail_sel = this->avails[this->avail_pos];
01198       this->vscroll2->ScrollTowards(this->avail_pos);
01199       this->InvalidateData(0);
01200     }
01201 
01202     return ES_HANDLED;
01203   }
01204 
01205   virtual void OnOSKInput(int wid)
01206   {
01207     if (!this->editable) return;
01208 
01209     this->avails.SetFilterState(!StrEmpty(this->edit_str_buf));
01210     this->avails.ForceRebuild();
01211     this->InvalidateData(0);
01212   }
01213 
01214 private:
01216   static int CDECL NameSorter(const GRFConfig * const *a, const GRFConfig * const *b)
01217   {
01218     int i = strnatcmp((*a)->GetName(), (*b)->GetName()); // Sort by name (natural sorting).
01219     if (i != 0) return i;
01220 
01221     i = (*a)->version - (*b)->version;
01222     if (i != 0) return i;
01223 
01224     return memcmp((*a)->ident.md5sum, (*b)->ident.md5sum, lengthof((*b)->ident.md5sum));
01225   }
01226 
01228   static bool CDECL TagNameFilter(const GRFConfig * const *a, const char *filter_string)
01229   {
01230     if (strcasestr((*a)->GetName(), filter_string) != NULL) return true;
01231     if ((*a)->filename != NULL && strcasestr((*a)->filename, filter_string) != NULL) return true;
01232     if ((*a)->GetDescription() != NULL && strcasestr((*a)->GetDescription(), filter_string) != NULL) return true;
01233     return false;
01234   }
01235 
01236   void BuildAvailables()
01237   {
01238     if (!this->avails.NeedRebuild()) return;
01239 
01240     this->avails.Clear();
01241 
01242     for (const GRFConfig *c = _all_grfs; c != NULL; c = c->next) {
01243       bool found = false;
01244       for (const GRFConfig *grf = this->actives; grf != NULL && !found; grf = grf->next) found = grf->ident.HasGrfIdentifier(c->ident.grfid, c->ident.md5sum);
01245       if (found) continue;
01246 
01247       if (_settings_client.gui.newgrf_show_old_versions) {
01248         *this->avails.Append() = c;
01249       } else {
01250         const GRFConfig *best = FindGRFConfig(c->ident.grfid, HasBit(c->flags, GCF_INVALID) ? FGCM_NEWEST : FGCM_NEWEST_VALID);
01251         /*
01252          * If the best version is 0, then all NewGRF with this GRF ID
01253          * have version 0, so for backward compatability reasons we
01254          * want to show them all.
01255          * If we are the best version, then we definitely want to
01256          * show that NewGRF!.
01257          */
01258         if (best->version == 0 || best->ident.HasGrfIdentifier(c->ident.grfid, c->ident.md5sum)) {
01259           *this->avails.Append() = c;
01260         }
01261       }
01262     }
01263 
01264     this->avails.Filter(this->edit_str_buf);
01265     this->avails.Compact();
01266     this->avails.RebuildDone();
01267     this->avails.Sort();
01268 
01269     if (this->avail_sel != NULL) {
01270       this->avail_pos = this->avails.FindIndex(this->avail_sel);
01271       if (this->avail_pos < 0) this->avail_sel = NULL;
01272     }
01273 
01274     this->vscroll2->SetCount(this->avails.Length()); // Update the scrollbar
01275   }
01276 };
01277 
01278 Listing NewGRFWindow::last_sorting     = {false, 0};
01279 Filtering NewGRFWindow::last_filtering = {false, 0};
01280 
01281 NewGRFWindow::GUIGRFConfigList::SortFunction * const NewGRFWindow::sorter_funcs[] = {
01282   &NameSorter,
01283 };
01284 
01285 NewGRFWindow::GUIGRFConfigList::FilterFunction * const NewGRFWindow::filter_funcs[] = {
01286   &TagNameFilter,
01287 };
01288 
01295 class NWidgetNewGRFDisplay : public NWidgetContainer {
01296 public:
01297   static const uint INTER_LIST_SPACING;      
01298   static const uint INTER_COLUMN_SPACING;    
01299   static const uint MAX_EXTRA_INFO_WIDTH;    
01300   static const uint MIN_EXTRA_FOR_3_COLUMNS; 
01301 
01302   NWidgetBase *avs; 
01303   NWidgetBase *acs; 
01304   NWidgetBase *inf; 
01305   bool editable;    
01306 
01307   NWidgetNewGRFDisplay(NWidgetBase *avs, NWidgetBase *acs, NWidgetBase *inf) : NWidgetContainer(NWID_HORIZONTAL)
01308   {
01309     this->avs = avs;
01310     this->acs = acs;
01311     this->inf = inf;
01312 
01313     this->Add(this->avs);
01314     this->Add(this->acs);
01315     this->Add(this->inf);
01316 
01317     this->editable = true; // Temporary setting, 'real' value is set in SetupSmallestSize().
01318   }
01319 
01320   virtual void SetupSmallestSize(Window *w, bool init_array)
01321   {
01322     /* Copy state flag from the window. */
01323     assert(dynamic_cast<NewGRFWindow *>(w) != NULL);
01324     NewGRFWindow *ngw = (NewGRFWindow *)w;
01325     this->editable = ngw->editable;
01326 
01327     this->avs->SetupSmallestSize(w, init_array);
01328     this->acs->SetupSmallestSize(w, init_array);
01329     this->inf->SetupSmallestSize(w, init_array);
01330 
01331     uint min_avs_width = this->avs->smallest_x + this->avs->padding_left + this->avs->padding_right;
01332     uint min_acs_width = this->acs->smallest_x + this->acs->padding_left + this->acs->padding_right;
01333     uint min_inf_width = this->inf->smallest_x + this->inf->padding_left + this->inf->padding_right;
01334 
01335     uint min_avs_height = this->avs->smallest_y + this->avs->padding_top + this->avs->padding_bottom;
01336     uint min_acs_height = this->acs->smallest_y + this->acs->padding_top + this->acs->padding_bottom;
01337     uint min_inf_height = this->inf->smallest_y + this->inf->padding_top + this->inf->padding_bottom;
01338 
01339     /* Smallest window is in two column mode. */
01340     this->smallest_x = max(min_avs_width, min_acs_width) + INTER_COLUMN_SPACING + min_inf_width;
01341     this->smallest_y = max(min_inf_height, min_acs_height + INTER_LIST_SPACING + min_avs_height);
01342 
01343     /* Filling. */
01344     this->fill_x = LeastCommonMultiple(this->avs->fill_x, this->acs->fill_x);
01345     if (this->inf->fill_x > 0 && (this->fill_x == 0 || this->fill_x > this->inf->fill_x)) this->fill_x = this->inf->fill_x;
01346 
01347     this->fill_y = this->avs->fill_y;
01348     if (this->acs->fill_y > 0 && (this->fill_y == 0 || this->fill_y > this->acs->fill_y)) this->fill_y = this->acs->fill_y;
01349     this->fill_y = LeastCommonMultiple(this->fill_y, this->inf->fill_y);
01350 
01351     /* Resizing. */
01352     this->resize_x = LeastCommonMultiple(this->avs->resize_x, this->acs->resize_x);
01353     if (this->inf->resize_x > 0 && (this->resize_x == 0 || this->resize_x > this->inf->resize_x)) this->resize_x = this->inf->resize_x;
01354 
01355     this->resize_y = this->avs->resize_y;
01356     if (this->acs->resize_y > 0 && (this->resize_y == 0 || this->resize_y > this->acs->resize_y)) this->resize_y = this->acs->resize_y;
01357     this->resize_y = LeastCommonMultiple(this->resize_y, this->inf->resize_y);
01358   }
01359 
01360   virtual void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
01361   {
01362     this->StoreSizePosition(sizing, x, y, given_width, given_height);
01363 
01364     uint min_avs_width = this->avs->smallest_x + this->avs->padding_left + this->avs->padding_right;
01365     uint min_acs_width = this->acs->smallest_x + this->acs->padding_left + this->acs->padding_right;
01366     uint min_inf_width = this->inf->smallest_x + this->inf->padding_left + this->inf->padding_right;
01367 
01368     uint min_list_width = max(min_avs_width, min_acs_width); // Smallest width of the lists such that they have equal width (incl padding).
01369     uint avs_extra_width = min_list_width - min_avs_width;   // Additional width needed for avs to reach min_list_width.
01370     uint acs_extra_width = min_list_width - min_acs_width;   // Additional width needed for acs to reach min_list_width.
01371 
01372     /* Use 2 or 3 colmuns? */
01373     uint min_three_columns = min_avs_width + min_acs_width + min_inf_width + 2 * INTER_COLUMN_SPACING;
01374     uint min_two_columns   = min_list_width + min_inf_width + INTER_COLUMN_SPACING;
01375     bool use_three_columns = this->editable && (min_three_columns + MIN_EXTRA_FOR_3_COLUMNS <= given_width);
01376 
01377     /* Info panel is a seperate column in both modes. Compute its width first. */
01378     uint extra_width, inf_width;
01379     if (use_three_columns) {
01380       extra_width = given_width - min_three_columns;
01381       inf_width = min(MAX_EXTRA_INFO_WIDTH, extra_width / 2);
01382     } else {
01383       extra_width = given_width - min_two_columns;
01384       inf_width = min(MAX_EXTRA_INFO_WIDTH, extra_width / 2);
01385     }
01386     inf_width = ComputeMaxSize(this->inf->smallest_x, this->inf->smallest_x + inf_width, this->inf->GetHorizontalStepSize(sizing));
01387     extra_width -= inf_width - this->inf->smallest_x;
01388 
01389     uint inf_height = ComputeMaxSize(this->inf->smallest_y, given_height, this->inf->GetVerticalStepSize(sizing));
01390 
01391     if (use_three_columns) {
01392       /* Three column display, first make both lists equally wide, then divide whatever is left between both lists.
01393        * Only keep track of what avs gets, all other space goes to acs. */
01394       uint avs_width = min(avs_extra_width, extra_width);
01395       extra_width -= avs_width;
01396       extra_width -= min(acs_extra_width, extra_width);
01397       avs_width += extra_width / 2;
01398 
01399       avs_width = ComputeMaxSize(this->avs->smallest_x, this->avs->smallest_x + avs_width, this->avs->GetHorizontalStepSize(sizing));
01400 
01401       uint acs_width = given_width - // Remaining space, including horizontal padding.
01402           inf_width - this->inf->padding_left - this->inf->padding_right -
01403           avs_width - this->avs->padding_left - this->avs->padding_right - 2 * INTER_COLUMN_SPACING;
01404       acs_width = ComputeMaxSize(min_acs_width, acs_width, this->acs->GetHorizontalStepSize(sizing)) -
01405           this->acs->padding_left - this->acs->padding_right;
01406 
01407       uint avs_height = ComputeMaxSize(this->avs->smallest_y, given_height, this->avs->GetVerticalStepSize(sizing));
01408       uint acs_height = ComputeMaxSize(this->acs->smallest_y, given_height, this->acs->GetVerticalStepSize(sizing));
01409 
01410       /* Assign size and position to the childs. */
01411       if (rtl) {
01412         x += this->inf->padding_left;
01413         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01414         x += inf_width + this->inf->padding_right + INTER_COLUMN_SPACING;
01415       } else {
01416         x += this->avs->padding_left;
01417         this->avs->AssignSizePosition(sizing, x, y + this->avs->padding_top, avs_width, avs_height, rtl);
01418         x += avs_width + this->avs->padding_right + INTER_COLUMN_SPACING;
01419       }
01420 
01421       x += this->acs->padding_left;
01422       this->acs->AssignSizePosition(sizing, x, y + this->acs->padding_top, acs_width, acs_height, rtl);
01423       x += acs_width + this->acs->padding_right + INTER_COLUMN_SPACING;
01424 
01425       if (rtl) {
01426         x += this->avs->padding_left;
01427         this->avs->AssignSizePosition(sizing, x, y + this->avs->padding_top, avs_width, avs_height, rtl);
01428       } else {
01429         x += this->inf->padding_left;
01430         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01431       }
01432     } else {
01433       /* Two columns, all space in extra_width goes to both lists. Since the lists are underneath each other,
01434        * the column is min_list_width wide at least. */
01435       uint avs_width = ComputeMaxSize(this->avs->smallest_x, this->avs->smallest_x + avs_extra_width + extra_width,
01436           this->avs->GetHorizontalStepSize(sizing));
01437       uint acs_width = ComputeMaxSize(this->acs->smallest_x, this->acs->smallest_x + acs_extra_width + extra_width,
01438           this->acs->GetHorizontalStepSize(sizing));
01439 
01440       uint min_avs_height = (!this->editable) ? 0 : this->avs->smallest_y + this->avs->padding_top + this->avs->padding_bottom + INTER_LIST_SPACING;
01441       uint min_acs_height = this->acs->smallest_y + this->acs->padding_top + this->acs->padding_bottom;
01442       uint extra_height = given_height - min_acs_height - min_avs_height;
01443 
01444       uint avs_height = ComputeMaxSize(this->avs->smallest_y, this->avs->smallest_y + extra_height / 2, this->avs->GetVerticalStepSize(sizing));
01445       if (this->editable) extra_height -= avs_height - this->avs->smallest_y;
01446       uint acs_height = ComputeMaxSize(this->acs->smallest_y, this->acs->smallest_y + extra_height, this->acs->GetVerticalStepSize(sizing));
01447 
01448       /* Assign size and position to the childs. */
01449       if (rtl) {
01450         x += this->inf->padding_left;
01451         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01452         x += inf_width + this->inf->padding_right + INTER_COLUMN_SPACING;
01453 
01454         uint ypos = y + this->acs->padding_top;
01455         this->acs->AssignSizePosition(sizing, x + this->acs->padding_left, ypos, acs_width, acs_height, rtl);
01456         if (this->editable) {
01457           ypos += acs_height + this->acs->padding_bottom + INTER_LIST_SPACING + this->avs->padding_top;
01458           this->avs->AssignSizePosition(sizing, x + this->avs->padding_left, ypos, avs_width, avs_height, rtl);
01459         } else {
01460           this->avs->AssignSizePosition(sizing, 0, 0, this->avs->smallest_x, this->avs->smallest_y, rtl);
01461         }
01462       } else {
01463         uint ypos = y + this->acs->padding_top;
01464         this->acs->AssignSizePosition(sizing, x + this->acs->padding_left, ypos, acs_width, acs_height, rtl);
01465         if (this->editable) {
01466           ypos += acs_height + this->acs->padding_bottom + INTER_LIST_SPACING + this->avs->padding_top;
01467           this->avs->AssignSizePosition(sizing, x + this->avs->padding_left, ypos, avs_width, avs_height, rtl);
01468         } else {
01469           this->avs->AssignSizePosition(sizing, 0, 0, this->avs->smallest_x, this->avs->smallest_y, rtl);
01470         }
01471         uint dx = this->acs->current_x + this->acs->padding_left + this->acs->padding_right;
01472         if (this->editable) {
01473           dx = max(dx, this->avs->current_x + this->avs->padding_left + this->avs->padding_right);
01474         }
01475         x += dx + INTER_COLUMN_SPACING + this->inf->padding_left;
01476         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01477       }
01478     }
01479   }
01480 
01481   virtual NWidgetCore *GetWidgetFromPos(int x, int y)
01482   {
01483     if (!IsInsideBS(x, this->pos_x, this->current_x) || !IsInsideBS(y, this->pos_y, this->current_y)) return NULL;
01484 
01485     NWidgetCore *nw = (this->editable) ? this->avs->GetWidgetFromPos(x, y) : NULL;
01486     if (nw == NULL) nw = this->acs->GetWidgetFromPos(x, y);
01487     if (nw == NULL) nw = this->inf->GetWidgetFromPos(x, y);
01488     return nw;
01489   }
01490 
01491   virtual void Draw(const Window *w)
01492   {
01493     if (this->editable) this->avs->Draw(w);
01494     this->acs->Draw(w);
01495     this->inf->Draw(w);
01496   }
01497 };
01498 
01499 const uint NWidgetNewGRFDisplay::INTER_LIST_SPACING      = WD_RESIZEBOX_WIDTH + 1;
01500 const uint NWidgetNewGRFDisplay::INTER_COLUMN_SPACING    = WD_RESIZEBOX_WIDTH;
01501 const uint NWidgetNewGRFDisplay::MAX_EXTRA_INFO_WIDTH    = 150;
01502 const uint NWidgetNewGRFDisplay::MIN_EXTRA_FOR_3_COLUMNS = 50;
01503 
01504 static const NWidgetPart _nested_newgrf_actives_widgets[] = {
01505   /* Left side, presets. */
01506   NWidget(NWID_HORIZONTAL),
01507     NWidget(WWT_TEXT, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_SELECT_PRESET, STR_NULL),
01508         SetPadding(0, WD_FRAMETEXT_RIGHT, 0, 0),
01509     NWidget(WWT_DROPDOWN, COLOUR_YELLOW, SNGRFS_PRESET_LIST), SetFill(1, 0), SetResize(1, 0),
01510         SetDataTip(STR_JUST_STRING, STR_NEWGRF_SETTINGS_PRESET_LIST_TOOLTIP),
01511   EndContainer(),
01512   NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01513     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_PRESET_SAVE), SetFill(1, 0), SetResize(1, 0),
01514         SetDataTip(STR_NEWGRF_SETTINGS_PRESET_SAVE, STR_NEWGRF_SETTINGS_PRESET_SAVE_TOOLTIP),
01515     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_PRESET_DELETE), SetFill(1, 0), SetResize(1, 0),
01516         SetDataTip(STR_NEWGRF_SETTINGS_PRESET_DELETE, STR_NEWGRF_SETTINGS_PRESET_DELETE_TOOLTIP),
01517   EndContainer(),
01518 
01519   NWidget(NWID_SPACER), SetMinimalSize(0, WD_RESIZEBOX_WIDTH), SetResize(1, 0), SetFill(1, 0),
01520   NWidget(WWT_PANEL, COLOUR_MAUVE),
01521     NWidget(WWT_LABEL, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_ACTIVE_LIST, STR_NULL),
01522         SetFill(1, 0), SetResize(1, 0), SetPadding(3, WD_FRAMETEXT_RIGHT, 0, WD_FRAMETEXT_LEFT),
01523     /* Left side, active grfs. */
01524     NWidget(NWID_HORIZONTAL), SetPadding(0, 2, 0, 2),
01525       NWidget(WWT_PANEL, COLOUR_MAUVE),
01526         NWidget(WWT_INSET, COLOUR_MAUVE, SNGRFS_FILE_LIST), SetMinimalSize(100, 1), SetPadding(2, 2, 2, 2),
01527             SetFill(1, 1), SetResize(1, 1), SetScrollbar(SNGRFS_SCROLLBAR),
01528         EndContainer(),
01529       EndContainer(),
01530       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, SNGRFS_SCROLLBAR),
01531     EndContainer(),
01532     /* Buttons. */
01533     NWidget(NWID_SELECTION, INVALID_COLOUR, SNGRFS_SHOW_REMOVE),
01534       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01535         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_REMOVE), SetFill(1, 0), SetResize(1, 0),
01536             SetDataTip(STR_NEWGRF_SETTINGS_REMOVE, STR_NEWGRF_SETTINGS_REMOVE_TOOLTIP),
01537         NWidget(NWID_VERTICAL),
01538           NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_MOVE_UP), SetFill(1, 0), SetResize(1, 0),
01539               SetDataTip(STR_NEWGRF_SETTINGS_MOVEUP, STR_NEWGRF_SETTINGS_MOVEUP_TOOLTIP),
01540           NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_MOVE_DOWN), SetFill(1, 0), SetResize(1, 0),
01541               SetDataTip(STR_NEWGRF_SETTINGS_MOVEDOWN, STR_NEWGRF_SETTINGS_MOVEDOWN_TOOLTIP),
01542         EndContainer(),
01543       EndContainer(),
01544 
01545       NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2),
01546         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_RESCAN_FILES2), SetFill(1, 0), SetResize(1, 0),
01547             SetDataTip(STR_NEWGRF_SETTINGS_RESCAN_FILES, STR_NEWGRF_SETTINGS_RESCAN_FILES_TOOLTIP),
01548         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_CONTENT_DOWNLOAD2), SetFill(1, 0), SetResize(1, 0),
01549             SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),
01550       EndContainer(),
01551     EndContainer(),
01552   EndContainer(),
01553 };
01554 
01555 static const NWidgetPart _nested_newgrf_availables_widgets[] = {
01556   NWidget(WWT_PANEL, COLOUR_MAUVE),
01557     NWidget(WWT_LABEL, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_INACTIVE_LIST, STR_NULL),
01558         SetFill(1, 0), SetResize(1, 0), SetPadding(3, WD_FRAMETEXT_RIGHT, 0, WD_FRAMETEXT_LEFT),
01559     /* Left side, available grfs, filter edit box. */
01560     NWidget(NWID_HORIZONTAL), SetPadding(WD_TEXTPANEL_TOP, 0, WD_TEXTPANEL_BOTTOM, 0),
01561         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
01562       NWidget(WWT_TEXT, COLOUR_MAUVE), SetFill(0, 1), SetDataTip(STR_NEWGRF_FILTER_TITLE, STR_NULL),
01563       NWidget(WWT_EDITBOX, COLOUR_MAUVE, SNGRFS_FILTER), SetFill(1, 0), SetMinimalSize(50, 12), SetResize(1, 0),
01564           SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
01565     EndContainer(),
01566     /* Left side, available grfs. */
01567     NWidget(NWID_HORIZONTAL), SetPadding(0, 2, 0, 2),
01568       NWidget(WWT_PANEL, COLOUR_MAUVE),
01569         NWidget(WWT_INSET, COLOUR_MAUVE, SNGRFS_AVAIL_LIST), SetMinimalSize(100, 1), SetPadding(2, 2, 2, 2),
01570             SetFill(1, 1), SetResize(1, 1), SetScrollbar(SNGRFS_SCROLL2BAR),
01571         EndContainer(),
01572       EndContainer(),
01573       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, SNGRFS_SCROLL2BAR),
01574     EndContainer(),
01575     /* Left side, available grfs, buttons. */
01576     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01577       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_ADD), SetFill(1, 0), SetResize(1, 0),
01578           SetDataTip(STR_NEWGRF_SETTINGS_ADD, STR_NEWGRF_SETTINGS_ADD_FILE_TOOLTIP),
01579       NWidget(NWID_VERTICAL),
01580         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_RESCAN_FILES), SetFill(1, 0), SetResize(1, 0),
01581             SetDataTip(STR_NEWGRF_SETTINGS_RESCAN_FILES, STR_NEWGRF_SETTINGS_RESCAN_FILES_TOOLTIP),
01582         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_CONTENT_DOWNLOAD), SetFill(1, 0), SetResize(1, 0),
01583             SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),
01584       EndContainer(),
01585     EndContainer(),
01586   EndContainer(),
01587 };
01588 
01589 static const NWidgetPart _nested_newgrf_infopanel_widgets[] = {
01590   /* Right side, info panel. */
01591   NWidget(WWT_PANEL, COLOUR_MAUVE), SetPadding(0, 0, 2, 0),
01592     NWidget(WWT_EMPTY, COLOUR_MAUVE, SNGRFS_NEWGRF_INFO_TITLE), SetFill(1, 0), SetResize(1, 0),
01593     NWidget(WWT_EMPTY, COLOUR_MAUVE, SNGRFS_NEWGRF_INFO), SetFill(1, 1), SetResize(1, 1), SetMinimalSize(150, 100),
01594   EndContainer(),
01595   NWidget(NWID_SELECTION, INVALID_COLOUR, SNGRFS_SHOW_APPLY),
01596     /* Right side, buttons. */
01597     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01598       NWidget(NWID_VERTICAL),
01599         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_SET_PARAMETERS), SetFill(1, 0), SetResize(1, 0),
01600             SetDataTip(STR_NEWGRF_SETTINGS_SET_PARAMETERS, STR_NULL),
01601         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_TOGGLE_PALETTE), SetFill(1, 0), SetResize(1, 0),
01602             SetDataTip(STR_NEWGRF_SETTINGS_TOGGLE_PALETTE, STR_NEWGRF_SETTINGS_TOGGLE_PALETTE_TOOLTIP),
01603       EndContainer(),
01604       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_APPLY_CHANGES), SetFill(1, 0), SetResize(1, 0),
01605           SetDataTip(STR_NEWGRF_SETTINGS_APPLY_CHANGES, STR_NULL),
01606     EndContainer(),
01607   EndContainer(),
01608 };
01609 
01611 NWidgetBase* NewGRFDisplay(int *biggest_index)
01612 {
01613   NWidgetBase *avs = MakeNWidgets(_nested_newgrf_availables_widgets, lengthof(_nested_newgrf_availables_widgets), biggest_index, NULL);
01614 
01615   int biggest2;
01616   NWidgetBase *acs = MakeNWidgets(_nested_newgrf_actives_widgets, lengthof(_nested_newgrf_actives_widgets), &biggest2, NULL);
01617   *biggest_index = max(*biggest_index, biggest2);
01618 
01619   NWidgetBase *inf = MakeNWidgets(_nested_newgrf_infopanel_widgets, lengthof(_nested_newgrf_infopanel_widgets), &biggest2, NULL);
01620   *biggest_index = max(*biggest_index, biggest2);
01621 
01622   return new NWidgetNewGRFDisplay(avs, acs, inf);
01623 }
01624 
01625 /* Widget definition of the manage newgrfs window */
01626 static const NWidgetPart _nested_newgrf_widgets[] = {
01627   NWidget(NWID_HORIZONTAL),
01628     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
01629     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01630   EndContainer(),
01631   NWidget(WWT_PANEL, COLOUR_MAUVE),
01632     NWidgetFunction(NewGRFDisplay), SetPadding(WD_RESIZEBOX_WIDTH, WD_RESIZEBOX_WIDTH, 2, WD_RESIZEBOX_WIDTH),
01633     /* Resize button. */
01634     NWidget(NWID_HORIZONTAL),
01635       NWidget(NWID_SPACER), SetFill(1, 0), SetResize(1, 0),
01636       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
01637     EndContainer(),
01638   EndContainer(),
01639 };
01640 
01641 /* Window definition of the manage newgrfs window */
01642 static const WindowDesc _newgrf_desc(
01643   WDP_CENTER, 300, 263,
01644   WC_GAME_OPTIONS, WC_NONE,
01645   WDF_UNCLICK_BUTTONS,
01646   _nested_newgrf_widgets, lengthof(_nested_newgrf_widgets)
01647 );
01648 
01654 static void NewGRFConfirmationCallback(Window *w, bool confirmed)
01655 {
01656   if (confirmed) {
01657     DeleteWindowByClass(WC_GRF_PARAMETERS);
01658     NewGRFWindow *nw = dynamic_cast<NewGRFWindow*>(w);
01659 
01660     GamelogStartAction(GLAT_GRF);
01661     GamelogGRFUpdate(_grfconfig, nw->actives); // log GRF changes
01662     CopyGRFConfigList(nw->orig_list, nw->actives, false);
01663     ReloadNewGRFData();
01664     GamelogStopAction();
01665 
01666     /* Show new, updated list */
01667     GRFConfig *c;
01668     int i = 0;
01669     for (c = nw->actives; c != NULL && c != nw->active_sel; c = c->next, i++) {}
01670     CopyGRFConfigList(&nw->actives, *nw->orig_list, false);
01671     for (c = nw->actives; c != NULL && i > 0; c = c->next, i--) {}
01672     nw->active_sel = c;
01673     nw->avails.ForceRebuild();
01674 
01675     w->InvalidateData();
01676 
01677     ReInitAllWindows();
01678     DeleteWindowByClass(WC_BUILD_OBJECT);
01679   }
01680 }
01681 
01682 
01683 
01692 void ShowNewGRFSettings(bool editable, bool show_params, bool exec_changes, GRFConfig **config)
01693 {
01694   DeleteWindowByClass(WC_GAME_OPTIONS);
01695   new NewGRFWindow(&_newgrf_desc, editable, show_params, exec_changes, config);
01696 }