newgrf_gui.cpp

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00001 /* $Id: newgrf_gui.cpp 25339 2013-06-09 09:33:06Z 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 "error.h"
00014 #include "settings_gui.h"
00015 #include "newgrf.h"
00016 #include "strings_func.h"
00017 #include "window_func.h"
00018 #include "gamelog.h"
00019 #include "settings_type.h"
00020 #include "settings_func.h"
00021 #include "widgets/dropdown_type.h"
00022 #include "widgets/dropdown_func.h"
00023 #include "network/network.h"
00024 #include "network/network_content.h"
00025 #include "sortlist_type.h"
00026 #include "stringfilter_type.h"
00027 #include "querystring_gui.h"
00028 #include "core/geometry_func.hpp"
00029 #include "newgrf_text.h"
00030 #include "textfile_gui.h"
00031 #include "tilehighlight_func.h"
00032 #include "fios.h"
00033 
00034 #include "widgets/newgrf_widget.h"
00035 #include "widgets/misc_widget.h"
00036 
00037 #include "table/sprites.h"
00038 
00039 /* Maximum number of NewGRFs that may be loaded. Six reserved slots are:
00040  * 0 - config, 1 - sound, 2 - base, 3 - logos, 4 - climate, 5 - extra */
00041 static const int MAX_NEWGRFS = MAX_FILE_SLOTS - 6;
00042 
00046 void ShowNewGRFError()
00047 {
00048   /* Do not show errors when entering the main screen */
00049   if (_game_mode == GM_MENU) return;
00050 
00051   for (const GRFConfig *c = _grfconfig; c != NULL; c = c->next) {
00052     /* We only want to show fatal errors */
00053     if (c->error == NULL || c->error->severity != STR_NEWGRF_ERROR_MSG_FATAL) continue;
00054 
00055     SetDParam   (0, c->error->custom_message == NULL ? c->error->message : STR_JUST_RAW_STRING);
00056     SetDParamStr(1, c->error->custom_message);
00057     SetDParamStr(2, c->filename);
00058     SetDParamStr(3, c->error->data);
00059     for (uint i = 0; i < lengthof(c->error->param_value); i++) {
00060       SetDParam(4 + i, c->error->param_value[i]);
00061     }
00062     ShowErrorMessage(STR_NEWGRF_ERROR_FATAL_POPUP, INVALID_STRING_ID, WL_CRITICAL);
00063     break;
00064   }
00065 }
00066 
00067 static void ShowNewGRFInfo(const GRFConfig *c, uint x, uint y, uint right, uint bottom, bool show_params)
00068 {
00069   if (c->error != NULL) {
00070     char message[512];
00071     SetDParamStr(0, c->error->custom_message); // is skipped by built-in messages
00072     SetDParamStr(1, c->filename);
00073     SetDParamStr(2, c->error->data);
00074     for (uint i = 0; i < lengthof(c->error->param_value); i++) {
00075       SetDParam(3 + i, c->error->param_value[i]);
00076     }
00077     GetString(message, c->error->custom_message == NULL ? c->error->message : STR_JUST_RAW_STRING, lastof(message));
00078 
00079     SetDParamStr(0, message);
00080     y = DrawStringMultiLine(x, right, y, bottom, c->error->severity);
00081   }
00082 
00083   /* Draw filename or not if it is not known (GRF sent over internet) */
00084   if (c->filename != NULL) {
00085     SetDParamStr(0, c->filename);
00086     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_FILENAME);
00087   }
00088 
00089   /* Prepare and draw GRF ID */
00090   char buff[256];
00091   snprintf(buff, lengthof(buff), "%08X", BSWAP32(c->ident.grfid));
00092   SetDParamStr(0, buff);
00093   y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_GRF_ID);
00094 
00095   if ((_settings_client.gui.newgrf_developer_tools || _settings_client.gui.newgrf_show_old_versions) && c->version != 0) {
00096     SetDParam(0, c->version);
00097     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_VERSION);
00098   }
00099   if ((_settings_client.gui.newgrf_developer_tools || _settings_client.gui.newgrf_show_old_versions) && c->min_loadable_version != 0) {
00100     SetDParam(0, c->min_loadable_version);
00101     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_MIN_VERSION);
00102   }
00103 
00104   /* Prepare and draw MD5 sum */
00105   md5sumToString(buff, lastof(buff), c->ident.md5sum);
00106   SetDParamStr(0, buff);
00107   y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_MD5SUM);
00108 
00109   /* Show GRF parameter list */
00110   if (show_params) {
00111     if (c->num_params > 0) {
00112       GRFBuildParamList(buff, c, lastof(buff));
00113       SetDParam(0, STR_JUST_RAW_STRING);
00114       SetDParamStr(1, buff);
00115     } else {
00116       SetDParam(0, STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY_NONE);
00117     }
00118     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_PARAMETER);
00119 
00120     /* Draw the palette of the NewGRF */
00121     if (c->palette & GRFP_BLT_32BPP) {
00122       SetDParamStr(0, (c->palette & GRFP_USE_WINDOWS) ? "Windows / 32 bpp" : "DOS / 32 bpp");
00123     } else {
00124       SetDParamStr(0, (c->palette & GRFP_USE_WINDOWS) ? "Windows" : "DOS");
00125     }
00126     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_PALETTE);
00127   }
00128 
00129   /* Show flags */
00130   if (c->status == GCS_NOT_FOUND)       y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_NOT_FOUND);
00131   if (c->status == GCS_DISABLED)        y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_DISABLED);
00132   if (HasBit(c->flags, GCF_INVALID))    y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_INCOMPATIBLE);
00133   if (HasBit(c->flags, GCF_COMPATIBLE)) y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_COMPATIBLE_LOADED);
00134 
00135   /* Draw GRF info if it exists */
00136   if (!StrEmpty(c->GetDescription())) {
00137     SetDParam(0, STR_JUST_RAW_STRING);
00138     SetDParamStr(1, c->GetDescription());
00139     y = DrawStringMultiLine(x, right, y, bottom, STR_BLACK_STRING);
00140   } else {
00141     y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_NO_INFO);
00142   }
00143 }
00144 
00148 struct NewGRFParametersWindow : public Window {
00149   static GRFParameterInfo dummy_parameter_info; 
00150   GRFConfig *grf_config; 
00151   uint clicked_button;   
00152   bool clicked_increase; 
00153   bool clicked_dropdown; 
00154   bool closing_dropdown; 
00155   int timeout;           
00156   uint clicked_row;      
00157   int line_height;       
00158   Scrollbar *vscroll;
00159   bool action14present;  
00160   bool editable;         
00161 
00162   NewGRFParametersWindow(const WindowDesc *desc, GRFConfig *c, bool editable) : Window(),
00163     grf_config(c),
00164     clicked_button(UINT_MAX),
00165     clicked_dropdown(false),
00166     closing_dropdown(false),
00167     timeout(0),
00168     clicked_row(UINT_MAX),
00169     editable(editable)
00170   {
00171     this->action14present = (c->num_valid_params != lengthof(c->param) || c->param_info.Length() != 0);
00172 
00173     this->CreateNestedTree(desc);
00174     this->vscroll = this->GetScrollbar(WID_NP_SCROLLBAR);
00175     this->GetWidget<NWidgetStacked>(WID_NP_SHOW_NUMPAR)->SetDisplayedPlane(this->action14present ? SZSP_HORIZONTAL : 0);
00176     this->GetWidget<NWidgetStacked>(WID_NP_SHOW_DESCRIPTION)->SetDisplayedPlane(this->action14present ? 0 : SZSP_HORIZONTAL);
00177     this->FinishInitNested(desc);  // Initializes 'this->line_height' as side effect.
00178 
00179     this->SetWidgetDisabledState(WID_NP_RESET, !this->editable);
00180 
00181     this->InvalidateData();
00182   }
00183 
00189   static GRFParameterInfo *GetDummyParameterInfo(uint nr)
00190   {
00191     dummy_parameter_info.param_nr = nr;
00192     return &dummy_parameter_info;
00193   }
00194 
00195   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00196   {
00197     switch (widget) {
00198       case WID_NP_NUMPAR_DEC:
00199       case WID_NP_NUMPAR_INC: {
00200         size->width = size->height = FONT_HEIGHT_NORMAL;
00201         break;
00202       }
00203 
00204       case WID_NP_NUMPAR: {
00205         SetDParamMaxValue(0, lengthof(this->grf_config->param));
00206         Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
00207         d.width += padding.width;
00208         d.height += padding.height;
00209         *size = maxdim(*size, d);
00210         break;
00211       }
00212 
00213       case WID_NP_BACKGROUND:
00214         this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
00215 
00216         resize->width = 1;
00217         resize->height = this->line_height;
00218         size->height = GB(this->GetWidget<NWidgetCore>(widget)->widget_data, MAT_ROW_START, MAT_ROW_BITS) * this->line_height;
00219         break;
00220 
00221       case WID_NP_DESCRIPTION:
00222         /* Minimum size of 4 lines. The 500 is the default size of the window. */
00223         Dimension suggestion = {500 - WD_FRAMERECT_LEFT - WD_FRAMERECT_RIGHT, FONT_HEIGHT_NORMAL * 4 + WD_TEXTPANEL_TOP + WD_TEXTPANEL_BOTTOM};
00224         for (uint i = 0; i < this->grf_config->param_info.Length(); i++) {
00225           const GRFParameterInfo *par_info = this->grf_config->param_info[i];
00226           if (par_info == NULL) continue;
00227           const char *desc = GetGRFStringFromGRFText(par_info->desc);
00228           if (desc == NULL) continue;
00229           Dimension d = GetStringMultiLineBoundingBox(desc, suggestion);
00230           d.height += WD_TEXTPANEL_TOP + WD_TEXTPANEL_BOTTOM;
00231           suggestion = maxdim(d, suggestion);
00232         }
00233         size->height = suggestion.height;
00234         break;
00235     }
00236   }
00237 
00238   virtual void SetStringParameters(int widget) const
00239   {
00240     switch (widget) {
00241       case WID_NP_NUMPAR:
00242         SetDParam(0, this->vscroll->GetCount());
00243         break;
00244     }
00245   }
00246 
00247   virtual void DrawWidget(const Rect &r, int widget) const
00248   {
00249     if (widget == WID_NP_DESCRIPTION) {
00250       const GRFParameterInfo *par_info = (this->clicked_row < this->grf_config->param_info.Length()) ? this->grf_config->param_info[this->clicked_row] : NULL;
00251       if (par_info == NULL) return;
00252       const char *desc = GetGRFStringFromGRFText(par_info->desc);
00253       if (desc == NULL) return;
00254       DrawStringMultiLine(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_TEXTPANEL_TOP, r.bottom - WD_TEXTPANEL_BOTTOM, desc, TC_BLACK);
00255       return;
00256     } else if (widget != WID_NP_BACKGROUND) {
00257       return;
00258     }
00259 
00260     bool rtl = _current_text_dir == TD_RTL;
00261     uint buttons_left = rtl ? r.right - SETTING_BUTTON_WIDTH - 3 : r.left + 4;
00262     uint text_left    = r.left + (rtl ? WD_FRAMERECT_LEFT : SETTING_BUTTON_WIDTH + 8);
00263     uint text_right   = r.right - (rtl ? SETTING_BUTTON_WIDTH + 8 : WD_FRAMERECT_RIGHT);
00264 
00265     int y = r.top;
00266     int button_y_offset = (this->line_height - SETTING_BUTTON_HEIGHT) / 2;
00267     for (uint i = this->vscroll->GetPosition(); this->vscroll->IsVisible(i) && i < this->vscroll->GetCount(); i++) {
00268       GRFParameterInfo *par_info = (i < this->grf_config->param_info.Length()) ? this->grf_config->param_info[i] : NULL;
00269       if (par_info == NULL) par_info = GetDummyParameterInfo(i);
00270       uint32 current_value = par_info->GetValue(this->grf_config);
00271       bool selected = (i == this->clicked_row);
00272 
00273       if (par_info->type == PTYPE_BOOL) {
00274         DrawBoolButton(buttons_left, y + button_y_offset, current_value != 0, this->editable);
00275         SetDParam(2, par_info->GetValue(this->grf_config) == 0 ? STR_CONFIG_SETTING_OFF : STR_CONFIG_SETTING_ON);
00276       } else if (par_info->type == PTYPE_UINT_ENUM) {
00277         if (par_info->complete_labels) {
00278           DrawDropDownButton(buttons_left, y + button_y_offset, COLOUR_YELLOW, this->clicked_row == i && this->clicked_dropdown, this->editable);
00279         } else {
00280           DrawArrowButtons(buttons_left, y + button_y_offset, COLOUR_YELLOW, (this->clicked_button == i) ? 1 + (this->clicked_increase != rtl) : 0, this->editable && current_value > par_info->min_value, this->editable && current_value < par_info->max_value);
00281         }
00282         SetDParam(2, STR_JUST_INT);
00283         SetDParam(3, current_value);
00284         if (par_info->value_names.Contains(current_value)) {
00285           const char *label = GetGRFStringFromGRFText(par_info->value_names.Find(current_value)->second);
00286           if (label != NULL) {
00287             SetDParam(2, STR_JUST_RAW_STRING);
00288             SetDParamStr(3, label);
00289           }
00290         }
00291       }
00292 
00293       const char *name = GetGRFStringFromGRFText(par_info->name);
00294       if (name != NULL) {
00295         SetDParam(0, STR_JUST_RAW_STRING);
00296         SetDParamStr(1, name);
00297       } else {
00298         SetDParam(0, STR_NEWGRF_PARAMETERS_DEFAULT_NAME);
00299         SetDParam(1, i + 1);
00300       }
00301 
00302       DrawString(text_left, text_right, y + WD_MATRIX_TOP, STR_NEWGRF_PARAMETERS_SETTING, selected ? TC_WHITE : TC_LIGHT_BLUE);
00303       y += this->line_height;
00304     }
00305   }
00306 
00307   virtual void OnPaint()
00308   {
00309     if (this->closing_dropdown) {
00310       this->closing_dropdown = false;
00311       this->clicked_dropdown = false;
00312     }
00313     this->DrawWidgets();
00314   }
00315 
00316   virtual void OnClick(Point pt, int widget, int click_count)
00317   {
00318     switch (widget) {
00319       case WID_NP_NUMPAR_DEC:
00320         if (this->editable && !this->action14present && this->grf_config->num_params > 0) {
00321           this->grf_config->num_params--;
00322           this->InvalidateData();
00323           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_NEWGRF_STATE);
00324         }
00325         break;
00326 
00327       case WID_NP_NUMPAR_INC: {
00328         GRFConfig *c = this->grf_config;
00329         if (this->editable && !this->action14present && c->num_params < c->num_valid_params) {
00330           c->param[c->num_params++] = 0;
00331           this->InvalidateData();
00332           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_NEWGRF_STATE);
00333         }
00334         break;
00335       }
00336 
00337       case WID_NP_BACKGROUND: {
00338         if (!this->editable) break;
00339         uint num = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_NP_BACKGROUND);
00340         if (num >= this->vscroll->GetCount()) break;
00341         if (this->clicked_row != num) {
00342           DeleteChildWindows(WC_QUERY_STRING);
00343           HideDropDownMenu(this);
00344           this->clicked_row = num;
00345           this->clicked_dropdown = false;
00346         }
00347 
00348         const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_NP_BACKGROUND);
00349         int x = pt.x - wid->pos_x;
00350         if (_current_text_dir == TD_RTL) x = wid->current_x - 1 - x;
00351         x -= 4;
00352 
00353         GRFParameterInfo *par_info = (num < this->grf_config->param_info.Length()) ? this->grf_config->param_info[num] : NULL;
00354         if (par_info == NULL) par_info = GetDummyParameterInfo(num);
00355 
00356         /* One of the arrows is clicked */
00357         uint32 old_val = par_info->GetValue(this->grf_config);
00358         if (par_info->type != PTYPE_BOOL && IsInsideMM(x, 0, SETTING_BUTTON_WIDTH) && par_info->complete_labels) {
00359           if (this->clicked_dropdown) {
00360             /* unclick the dropdown */
00361             HideDropDownMenu(this);
00362             this->clicked_dropdown = false;
00363             this->closing_dropdown = false;
00364           } else {
00365             const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_NP_BACKGROUND);
00366             int rel_y = (pt.y - (int)wid->pos_y) % this->line_height;
00367 
00368             Rect wi_rect;
00369             wi_rect.left = pt.x - (_current_text_dir == TD_RTL ? SETTING_BUTTON_WIDTH - 1 - x : x);;
00370             wi_rect.right = wi_rect.left + SETTING_BUTTON_WIDTH - 1;
00371             wi_rect.top = pt.y - rel_y + (this->line_height - SETTING_BUTTON_HEIGHT) / 2;
00372             wi_rect.bottom = wi_rect.top + SETTING_BUTTON_HEIGHT - 1;
00373 
00374             /* For dropdowns we also have to check the y position thoroughly, the mouse may not above the just opening dropdown */
00375             if (pt.y >= wi_rect.top && pt.y <= wi_rect.bottom) {
00376               this->clicked_dropdown = true;
00377               this->closing_dropdown = false;
00378 
00379               DropDownList *list = new DropDownList();
00380               for (uint32 i = par_info->min_value; i <= par_info->max_value; i++) {
00381                 list->push_back(new DropDownListCharStringItem(GetGRFStringFromGRFText(par_info->value_names.Find(i)->second), i, false));
00382               }
00383 
00384               ShowDropDownListAt(this, list, old_val, -1, wi_rect, COLOUR_ORANGE, true);
00385             }
00386           }
00387         } else if (IsInsideMM(x, 0, SETTING_BUTTON_WIDTH)) {
00388           uint32 val = old_val;
00389           if (par_info->type == PTYPE_BOOL) {
00390             val = !val;
00391           } else {
00392             if (x >= SETTING_BUTTON_WIDTH / 2) {
00393               /* Increase button clicked */
00394               if (val < par_info->max_value) val++;
00395               this->clicked_increase = true;
00396             } else {
00397               /* Decrease button clicked */
00398               if (val > par_info->min_value) val--;
00399               this->clicked_increase = false;
00400             }
00401           }
00402           if (val != old_val) {
00403             par_info->SetValue(this->grf_config, val);
00404 
00405             this->clicked_button = num;
00406             this->timeout = 5;
00407           }
00408         } else if (par_info->type == PTYPE_UINT_ENUM && !par_info->complete_labels && click_count >= 2) {
00409           /* Display a query box so users can enter a custom value. */
00410           SetDParam(0, old_val);
00411           ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, this, CS_NUMERAL, QSF_NONE);
00412         }
00413         this->SetDirty();
00414         break;
00415       }
00416 
00417       case WID_NP_RESET:
00418         if (!this->editable) break;
00419         this->grf_config->SetParameterDefaults();
00420         this->InvalidateData();
00421         SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_NEWGRF_STATE);
00422         break;
00423 
00424       case WID_NP_ACCEPT:
00425         delete this;
00426         break;
00427     }
00428   }
00429 
00430   virtual void OnQueryTextFinished(char *str)
00431   {
00432     if (StrEmpty(str)) return;
00433     int32 value = atoi(str);
00434     GRFParameterInfo *par_info = ((uint)this->clicked_row < this->grf_config->param_info.Length()) ? this->grf_config->param_info[this->clicked_row] : NULL;
00435     if (par_info == NULL) par_info = GetDummyParameterInfo(this->clicked_row);
00436     uint32 val = Clamp<uint32>(value, par_info->min_value, par_info->max_value);
00437     par_info->SetValue(this->grf_config, val);
00438     this->SetDirty();
00439   }
00440 
00441   virtual void OnDropdownSelect(int widget, int index)
00442   {
00443     assert(this->clicked_dropdown);
00444     GRFParameterInfo *par_info = ((uint)this->clicked_row < this->grf_config->param_info.Length()) ? this->grf_config->param_info[this->clicked_row] : NULL;
00445     if (par_info == NULL) par_info = GetDummyParameterInfo(this->clicked_row);
00446     par_info->SetValue(this->grf_config, index);
00447     this->SetDirty();
00448   }
00449 
00450   virtual void OnDropdownClose(Point pt, int widget, int index, bool instant_close)
00451   {
00452     /* We cannot raise the dropdown button just yet. OnClick needs some hint, whether
00453      * the same dropdown button was clicked again, and then not open the dropdown again.
00454      * So, we only remember that it was closed, and process it on the next OnPaint, which is
00455      * after OnClick. */
00456     assert(this->clicked_dropdown);
00457     this->closing_dropdown = true;
00458     this->SetDirty();
00459   }
00460 
00461   virtual void OnResize()
00462   {
00463     NWidgetCore *nwi = this->GetWidget<NWidgetCore>(WID_NP_BACKGROUND);
00464     this->vscroll->SetCapacity(nwi->current_y / this->line_height);
00465     nwi->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
00466   }
00467 
00473   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00474   {
00475     if (!gui_scope) return;
00476     if (!this->action14present) {
00477       this->SetWidgetDisabledState(WID_NP_NUMPAR_DEC, !this->editable || this->grf_config->num_params == 0);
00478       this->SetWidgetDisabledState(WID_NP_NUMPAR_INC, !this->editable || this->grf_config->num_params >= this->grf_config->num_valid_params);
00479     }
00480 
00481     this->vscroll->SetCount(this->action14present ? this->grf_config->num_valid_params : this->grf_config->num_params);
00482     if (this->clicked_row != UINT_MAX && this->clicked_row >= this->vscroll->GetCount()) {
00483       this->clicked_row = UINT_MAX;
00484       DeleteChildWindows(WC_QUERY_STRING);
00485     }
00486   }
00487 
00488   virtual void OnTick()
00489   {
00490     if (--this->timeout == 0) {
00491       this->clicked_button = UINT_MAX;
00492       this->SetDirty();
00493     }
00494   }
00495 };
00496 GRFParameterInfo NewGRFParametersWindow::dummy_parameter_info(0);
00497 
00498 
00499 static const NWidgetPart _nested_newgrf_parameter_widgets[] = {
00500   NWidget(NWID_HORIZONTAL),
00501     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
00502     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_PARAMETERS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00503   EndContainer(),
00504   NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NP_SHOW_NUMPAR),
00505     NWidget(WWT_PANEL, COLOUR_MAUVE), SetResize(1, 0), SetFill(1, 0), SetPIP(4, 0, 4),
00506       NWidget(NWID_HORIZONTAL), SetPIP(4, 0, 4),
00507         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_NP_NUMPAR_DEC), SetMinimalSize(12, 12), SetDataTip(AWV_DECREASE, STR_NULL),
00508         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_NP_NUMPAR_INC), SetMinimalSize(12, 12), SetDataTip(AWV_INCREASE, STR_NULL),
00509         NWidget(WWT_TEXT, COLOUR_MAUVE, WID_NP_NUMPAR), SetResize(1, 0), SetFill(1, 0), SetPadding(0, 0, 0, 4), SetDataTip(STR_NEWGRF_PARAMETERS_NUM_PARAM, STR_NULL),
00510       EndContainer(),
00511     EndContainer(),
00512   EndContainer(),
00513   NWidget(NWID_HORIZONTAL),
00514     NWidget(WWT_MATRIX, COLOUR_MAUVE, WID_NP_BACKGROUND), SetMinimalSize(188, 182), SetResize(1, 1), SetFill(1, 0), SetDataTip(0x501, STR_NULL), SetScrollbar(WID_NP_SCROLLBAR),
00515     NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_NP_SCROLLBAR),
00516   EndContainer(),
00517   NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NP_SHOW_DESCRIPTION),
00518     NWidget(WWT_PANEL, COLOUR_MAUVE, WID_NP_DESCRIPTION), SetResize(1, 0), SetFill(1, 0),
00519     EndContainer(),
00520   EndContainer(),
00521   NWidget(NWID_HORIZONTAL),
00522     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
00523       NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_NP_ACCEPT), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_NEWGRF_PARAMETERS_CLOSE, STR_NULL),
00524       NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_NP_RESET), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_NEWGRF_PARAMETERS_RESET, STR_NEWGRF_PARAMETERS_RESET_TOOLTIP),
00525     EndContainer(),
00526     NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
00527   EndContainer(),
00528 };
00529 
00531 static const WindowDesc _newgrf_parameters_desc(
00532   WDP_CENTER, 500, 208,
00533   WC_GRF_PARAMETERS, WC_NONE,
00534   0,
00535   _nested_newgrf_parameter_widgets, lengthof(_nested_newgrf_parameter_widgets)
00536 );
00537 
00538 static void OpenGRFParameterWindow(GRFConfig *c, bool editable)
00539 {
00540   DeleteWindowByClass(WC_GRF_PARAMETERS);
00541   new NewGRFParametersWindow(&_newgrf_parameters_desc, c, editable);
00542 }
00543 
00545 struct NewGRFTextfileWindow : public TextfileWindow {
00546   const GRFConfig *grf_config; 
00547 
00548   NewGRFTextfileWindow(TextfileType file_type, const GRFConfig *c) : TextfileWindow(file_type), grf_config(c)
00549   {
00550     const char *textfile = this->grf_config->GetTextfile(file_type);
00551     this->LoadTextfile(textfile, NEWGRF_DIR);
00552   }
00553 
00554   /* virtual */ void SetStringParameters(int widget) const
00555   {
00556     if (widget == WID_TF_CAPTION) {
00557       SetDParam(0, STR_CONTENT_TYPE_NEWGRF);
00558       SetDParamStr(1, this->grf_config->GetName());
00559     }
00560   }
00561 };
00562 
00563 void ShowNewGRFTextfileWindow(TextfileType file_type, const GRFConfig *c)
00564 {
00565   DeleteWindowByClass(WC_TEXTFILE);
00566   new NewGRFTextfileWindow(file_type, c);
00567 }
00568 
00569 static GRFPresetList _grf_preset_list;
00570 
00571 class DropDownListPresetItem : public DropDownListItem {
00572 public:
00573   DropDownListPresetItem(int result) : DropDownListItem(result, false) {}
00574 
00575   virtual ~DropDownListPresetItem() {}
00576 
00577   bool Selectable() const
00578   {
00579     return true;
00580   }
00581 
00582   void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const
00583   {
00584     DrawString(left + 2, right + 2, top, _grf_preset_list[this->result], sel ? TC_WHITE : TC_BLACK);
00585   }
00586 };
00587 
00588 static void NewGRFConfirmationCallback(Window *w, bool confirmed);
00589 
00593 struct NewGRFWindow : public Window, NewGRFScanCallback {
00594   typedef GUIList<const GRFConfig *, StringFilter &> GUIGRFConfigList;
00595 
00596   static const uint EDITBOX_MAX_SIZE   =  50;
00597 
00598   static Listing   last_sorting;   
00599   static Filtering last_filtering; 
00600   static GUIGRFConfigList::SortFunction   * const sorter_funcs[]; 
00601   static GUIGRFConfigList::FilterFunction * const filter_funcs[]; 
00602 
00603   GUIGRFConfigList avails;    
00604   const GRFConfig *avail_sel; 
00605   int avail_pos;              
00606   StringFilter string_filter; 
00607   QueryString filter_editbox; 
00608 
00609   GRFConfig *actives;         
00610   GRFConfig *active_sel;      
00611 
00612   GRFConfig **orig_list;      
00613   bool editable;              
00614   bool show_params;           
00615   bool execute;               
00616   int preset;                 
00617   int active_over;            
00618 
00619   Scrollbar *vscroll;
00620   Scrollbar *vscroll2;
00621 
00622   NewGRFWindow(const WindowDesc *desc, bool editable, bool show_params, bool execute, GRFConfig **orig_list) : filter_editbox(EDITBOX_MAX_SIZE)
00623   {
00624     this->avail_sel   = NULL;
00625     this->avail_pos   = -1;
00626     this->active_sel  = NULL;
00627     this->actives     = NULL;
00628     this->orig_list   = orig_list;
00629     this->editable    = editable;
00630     this->execute     = execute;
00631     this->show_params = show_params;
00632     this->preset      = -1;
00633     this->active_over = -1;
00634 
00635     CopyGRFConfigList(&this->actives, *orig_list, false);
00636     GetGRFPresetList(&_grf_preset_list);
00637 
00638     this->CreateNestedTree(desc);
00639     this->vscroll = this->GetScrollbar(WID_NS_SCROLLBAR);
00640     this->vscroll2 = this->GetScrollbar(WID_NS_SCROLL2BAR);
00641 
00642     this->GetWidget<NWidgetStacked>(WID_NS_SHOW_REMOVE)->SetDisplayedPlane(this->editable ? 0 : 1);
00643     this->GetWidget<NWidgetStacked>(WID_NS_SHOW_APPLY)->SetDisplayedPlane(this->editable ? 0 : this->show_params ? 1 : SZSP_HORIZONTAL);
00644     this->FinishInitNested(desc, WN_GAME_OPTIONS_NEWGRF_STATE);
00645 
00646     this->querystrings[WID_NS_FILTER] = &this->filter_editbox;
00647     this->filter_editbox.cancel_button = QueryString::ACTION_CLEAR;
00648     if (editable) this->SetFocusedWidget(WID_NS_FILTER);
00649 
00650     this->avails.SetListing(this->last_sorting);
00651     this->avails.SetFiltering(this->last_filtering);
00652     this->avails.SetSortFuncs(this->sorter_funcs);
00653     this->avails.SetFilterFuncs(this->filter_funcs);
00654     this->avails.ForceRebuild();
00655 
00656     this->OnInvalidateData(GOID_NEWGRF_LIST_EDITED);
00657   }
00658 
00659   ~NewGRFWindow()
00660   {
00661     DeleteWindowByClass(WC_GRF_PARAMETERS);
00662     DeleteWindowByClass(WC_TEXTFILE);
00663 
00664     if (this->editable && !this->execute) {
00665       CopyGRFConfigList(this->orig_list, this->actives, true);
00666       ResetGRFConfig(false);
00667       ReloadNewGRFData();
00668     }
00669 
00670     /* Remove the temporary copy of grf-list used in window */
00671     ClearGRFConfigList(&this->actives);
00672     _grf_preset_list.Clear();
00673   }
00674 
00675   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00676   {
00677     switch (widget) {
00678       case WID_NS_FILE_LIST:
00679       {
00680         Dimension d = maxdim(GetSpriteSize(SPR_SQUARE), GetSpriteSize(SPR_WARNING_SIGN));
00681         resize->height = max(d.height + 2U, FONT_HEIGHT_NORMAL + 2U);
00682         size->height = max(size->height, WD_FRAMERECT_TOP + 6 * resize->height + WD_FRAMERECT_BOTTOM);
00683         break;
00684       }
00685 
00686       case WID_NS_AVAIL_LIST:
00687         resize->height = max(12, FONT_HEIGHT_NORMAL + 2);
00688         size->height = max(size->height, WD_FRAMERECT_TOP + 8 * resize->height + WD_FRAMERECT_BOTTOM);
00689         break;
00690 
00691       case WID_NS_NEWGRF_INFO_TITLE: {
00692         Dimension dim = GetStringBoundingBox(STR_NEWGRF_SETTINGS_INFO_TITLE);
00693         size->height = max(size->height, dim.height + WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM);
00694         size->width  = max(size->width,  dim.width  + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT);
00695         break;
00696       }
00697 
00698       case WID_NS_NEWGRF_INFO:
00699         size->height = max(size->height, WD_FRAMERECT_TOP + 10 * FONT_HEIGHT_NORMAL + WD_FRAMERECT_BOTTOM + padding.height + 2);
00700         break;
00701 
00702       case WID_NS_PRESET_LIST: {
00703         Dimension d = GetStringBoundingBox(STR_NUM_CUSTOM);
00704         for (uint i = 0; i < _grf_preset_list.Length(); i++) {
00705           if (_grf_preset_list[i] != NULL) {
00706             SetDParamStr(0, _grf_preset_list[i]);
00707             d = maxdim(d, GetStringBoundingBox(STR_JUST_RAW_STRING));
00708           }
00709         }
00710         d.width += padding.width;
00711         *size = maxdim(d, *size);
00712         break;
00713       }
00714 
00715       case WID_NS_CONTENT_DOWNLOAD:
00716       case WID_NS_CONTENT_DOWNLOAD2: {
00717         Dimension d = GetStringBoundingBox(STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_BUTTON);
00718         *size = maxdim(d, GetStringBoundingBox(STR_INTRO_ONLINE_CONTENT));
00719         size->width  += padding.width;
00720         size->height += padding.height;
00721         break;
00722       }
00723     }
00724   }
00725 
00726   virtual void OnResize()
00727   {
00728     this->vscroll->SetCapacityFromWidget(this, WID_NS_FILE_LIST);
00729     this->vscroll2->SetCapacityFromWidget(this, WID_NS_AVAIL_LIST);
00730   }
00731 
00732   virtual void SetStringParameters(int widget) const
00733   {
00734     switch (widget) {
00735       case WID_NS_PRESET_LIST:
00736         if (this->preset == -1) {
00737           SetDParam(0, STR_NUM_CUSTOM);
00738         } else {
00739           SetDParam(0, STR_JUST_RAW_STRING);
00740           SetDParamStr(1, _grf_preset_list[this->preset]);
00741         }
00742         break;
00743     }
00744   }
00745 
00751   inline PaletteID GetPalette(const GRFConfig *c) const
00752   {
00753     PaletteID pal;
00754 
00755     /* Pick a colour */
00756     switch (c->status) {
00757       case GCS_NOT_FOUND:
00758       case GCS_DISABLED:
00759         pal = PALETTE_TO_RED;
00760         break;
00761       case GCS_ACTIVATED:
00762         pal = PALETTE_TO_GREEN;
00763         break;
00764       default:
00765         pal = PALETTE_TO_BLUE;
00766         break;
00767     }
00768 
00769     /* Do not show a "not-failure" colour when it actually failed to load */
00770     if (pal != PALETTE_TO_RED) {
00771       if (HasBit(c->flags, GCF_STATIC)) {
00772         pal = PALETTE_TO_GREY;
00773       } else if (HasBit(c->flags, GCF_COMPATIBLE)) {
00774         pal = PALETTE_TO_ORANGE;
00775       }
00776     }
00777 
00778     return pal;
00779   }
00780 
00781   virtual void DrawWidget(const Rect &r, int widget) const
00782   {
00783     switch (widget) {
00784       case WID_NS_FILE_LIST: {
00785         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK);
00786 
00787         uint step_height = this->GetWidget<NWidgetBase>(WID_NS_FILE_LIST)->resize_y;
00788         uint y = r.top + WD_FRAMERECT_TOP;
00789         Dimension square = GetSpriteSize(SPR_SQUARE);
00790         Dimension warning = GetSpriteSize(SPR_WARNING_SIGN);
00791         int square_offset_y = (step_height - square.height) / 2;
00792         int warning_offset_y = (step_height - warning.height) / 2;
00793         int offset_y = (step_height - FONT_HEIGHT_NORMAL) / 2;
00794 
00795         bool rtl = _current_text_dir == TD_RTL;
00796         uint text_left    = rtl ? r.left + WD_FRAMERECT_LEFT : r.left + square.width + 15;
00797         uint text_right   = rtl ? r.right - square.width - 15 : r.right - WD_FRAMERECT_RIGHT;
00798         uint square_left  = rtl ? r.right - square.width - 5 : r.left + 5;
00799         uint warning_left = rtl ? r.right - square.width - warning.width - 10 : r.left + square.width + 10;
00800 
00801         int i = 0;
00802         for (const GRFConfig *c = this->actives; c != NULL; c = c->next, i++) {
00803           if (this->vscroll->IsVisible(i)) {
00804             const char *text = c->GetName();
00805             bool h = (this->active_sel == c);
00806             PaletteID pal = this->GetPalette(c);
00807 
00808             if (h) {
00809               GfxFillRect(r.left + 1, y, r.right - 1, y + step_height - 1, PC_DARK_BLUE);
00810             } else if (i == this->active_over) {
00811               /* Get index of current selection. */
00812               int active_sel_pos = 0;
00813               for (GRFConfig *c = this->actives; c != NULL && c != this->active_sel; c = c->next, active_sel_pos++) {}
00814               if (active_sel_pos != this->active_over) {
00815                 uint top = this->active_over < active_sel_pos ? y + 1 : y + step_height - 2;
00816                 GfxFillRect(r.left + WD_FRAMERECT_LEFT, top - 1, r.right - WD_FRAMERECT_RIGHT, top + 1, PC_GREY);
00817               }
00818             }
00819             DrawSprite(SPR_SQUARE, pal, square_left, y + square_offset_y);
00820             if (c->error != NULL) DrawSprite(SPR_WARNING_SIGN, 0, warning_left, y + warning_offset_y);
00821             uint txtoffset = c->error == NULL ? 0 : warning.width;
00822             DrawString(text_left + (rtl ? 0 : txtoffset), text_right - (rtl ? txtoffset : 0), y + offset_y, text, h ? TC_WHITE : TC_ORANGE);
00823             y += step_height;
00824           }
00825         }
00826         if (i == this->active_over && this->vscroll->IsVisible(i)) { // Highlight is after the last GRF entry.
00827           GfxFillRect(r.left + WD_FRAMERECT_LEFT, y, r.right - WD_FRAMERECT_RIGHT, y + 2, PC_GREY);
00828         }
00829         break;
00830       }
00831 
00832       case WID_NS_AVAIL_LIST: {
00833         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, this->active_over == -2 ? PC_DARK_GREY : PC_BLACK);
00834 
00835         uint step_height = this->GetWidget<NWidgetBase>(WID_NS_AVAIL_LIST)->resize_y;
00836         int offset_y = (step_height - FONT_HEIGHT_NORMAL) / 2;
00837         uint y = r.top + WD_FRAMERECT_TOP;
00838         uint min_index = this->vscroll2->GetPosition();
00839         uint max_index = min(min_index + this->vscroll2->GetCapacity(), this->avails.Length());
00840 
00841         for (uint i = min_index; i < max_index; i++) {
00842           const GRFConfig *c = this->avails[i];
00843           bool h = (c == this->avail_sel);
00844           const char *text = c->GetName();
00845 
00846           if (h) GfxFillRect(r.left + 1, y, r.right - 1, y + step_height - 1, PC_DARK_BLUE);
00847           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y + offset_y, text, h ? TC_WHITE : TC_SILVER);
00848           y += step_height;
00849         }
00850         break;
00851       }
00852 
00853       case WID_NS_NEWGRF_INFO_TITLE:
00854         /* Create the nice grayish rectangle at the details top. */
00855         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_DARK_BLUE);
00856         DrawString(r.left, r.right, (r.top + r.bottom - FONT_HEIGHT_NORMAL) / 2, STR_NEWGRF_SETTINGS_INFO_TITLE, TC_FROMSTRING, SA_HOR_CENTER);
00857         break;
00858 
00859       case WID_NS_NEWGRF_INFO: {
00860         const GRFConfig *selected = this->active_sel;
00861         if (selected == NULL) selected = this->avail_sel;
00862         if (selected != NULL) {
00863           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);
00864         }
00865         break;
00866       }
00867     }
00868   }
00869 
00870   virtual void OnClick(Point pt, int widget, int click_count)
00871   {
00872     if (widget >= WID_NS_NEWGRF_TEXTFILE && widget < WID_NS_NEWGRF_TEXTFILE + TFT_END) {
00873       if (this->active_sel == NULL && this->avail_sel == NULL) return;
00874 
00875       ShowNewGRFTextfileWindow((TextfileType)(widget - WID_NS_NEWGRF_TEXTFILE), this->active_sel != NULL ? this->active_sel : this->avail_sel);
00876       return;
00877     }
00878 
00879     switch (widget) {
00880       case WID_NS_PRESET_LIST: {
00881         DropDownList *list = new DropDownList();
00882 
00883         /* Add 'None' option for clearing list */
00884         list->push_back(new DropDownListStringItem(STR_NONE, -1, false));
00885 
00886         for (uint i = 0; i < _grf_preset_list.Length(); i++) {
00887           if (_grf_preset_list[i] != NULL) {
00888             list->push_back(new DropDownListPresetItem(i));
00889           }
00890         }
00891 
00892         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00893         ShowDropDownList(this, list, this->preset, WID_NS_PRESET_LIST);
00894         break;
00895       }
00896 
00897       case WID_NS_OPEN_URL: {
00898         const GRFConfig *c = (this->avail_sel == NULL) ? this->active_sel : this->avail_sel;
00899 
00900         extern void OpenBrowser(const char *url);
00901         OpenBrowser(c->GetURL());
00902         break;
00903       }
00904 
00905       case WID_NS_PRESET_SAVE:
00906         ShowQueryString(STR_EMPTY, STR_NEWGRF_SETTINGS_PRESET_SAVE_QUERY, 32, this, CS_ALPHANUMERAL, QSF_NONE);
00907         break;
00908 
00909       case WID_NS_PRESET_DELETE:
00910         if (this->preset == -1) return;
00911 
00912         DeleteGRFPresetFromConfig(_grf_preset_list[this->preset]);
00913         GetGRFPresetList(&_grf_preset_list);
00914         this->preset = -1;
00915         this->InvalidateData();
00916         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00917         break;
00918 
00919       case WID_NS_MOVE_UP: { // Move GRF up
00920         if (this->active_sel == NULL || !this->editable) break;
00921 
00922         int pos = 0;
00923         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next, pos++) {
00924           GRFConfig *c = *pc;
00925           if (c->next == this->active_sel) {
00926             c->next = this->active_sel->next;
00927             this->active_sel->next = c;
00928             *pc = this->active_sel;
00929             break;
00930           }
00931         }
00932         this->vscroll->ScrollTowards(pos);
00933         this->preset = -1;
00934         this->InvalidateData();
00935         break;
00936       }
00937 
00938       case WID_NS_MOVE_DOWN: { // Move GRF down
00939         if (this->active_sel == NULL || !this->editable) break;
00940 
00941         int pos = 1; // Start at 1 as we swap the selected newgrf with the next one
00942         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next, pos++) {
00943           GRFConfig *c = *pc;
00944           if (c == this->active_sel) {
00945             *pc = c->next;
00946             c->next = c->next->next;
00947             (*pc)->next = c;
00948             break;
00949           }
00950         }
00951         this->vscroll->ScrollTowards(pos);
00952         this->preset = -1;
00953         this->InvalidateData();
00954         break;
00955       }
00956 
00957       case WID_NS_FILE_LIST: { // Select an active GRF.
00958         ResetObjectToPlace();
00959 
00960         uint i = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_NS_FILE_LIST);
00961 
00962         GRFConfig *c;
00963         for (c = this->actives; c != NULL && i > 0; c = c->next, i--) {}
00964 
00965         if (this->active_sel != c) DeleteWindowByClass(WC_GRF_PARAMETERS);
00966         this->active_sel = c;
00967         this->avail_sel = NULL;
00968         this->avail_pos = -1;
00969 
00970         this->InvalidateData();
00971         if (click_count == 1) {
00972           if (this->editable && this->active_sel != NULL) SetObjectToPlaceWnd(SPR_CURSOR_MOUSE, PAL_NONE, HT_DRAG, this);
00973           break;
00974         }
00975         /* FALL THROUGH, with double click. */
00976       }
00977 
00978       case WID_NS_REMOVE: { // Remove GRF
00979         if (this->active_sel == NULL || !this->editable) break;
00980         DeleteWindowByClass(WC_GRF_PARAMETERS);
00981 
00982         /* Choose the next GRF file to be the selected file. */
00983         GRFConfig *newsel = this->active_sel->next;
00984         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next) {
00985           GRFConfig *c = *pc;
00986           /* If the new selection is empty (i.e. we're deleting the last item
00987            * in the list, pick the file just before the selected file */
00988           if (newsel == NULL && c->next == this->active_sel) newsel = c;
00989 
00990           if (c == this->active_sel) {
00991             *pc = c->next;
00992             delete c;
00993             break;
00994           }
00995         }
00996 
00997         this->active_sel = newsel;
00998         this->preset = -1;
00999         this->avail_pos = -1;
01000         this->avail_sel = NULL;
01001         this->avails.ForceRebuild();
01002         this->InvalidateData(GOID_NEWGRF_LIST_EDITED);
01003         break;
01004       }
01005 
01006       case WID_NS_AVAIL_LIST: { // Select a non-active GRF.
01007         ResetObjectToPlace();
01008 
01009         uint i = this->vscroll2->GetScrolledRowFromWidget(pt.y, this, WID_NS_AVAIL_LIST);
01010         this->active_sel = NULL;
01011         DeleteWindowByClass(WC_GRF_PARAMETERS);
01012         if (i < this->avails.Length()) {
01013           this->avail_sel = this->avails[i];
01014           this->avail_pos = i;
01015         }
01016         this->InvalidateData();
01017         if (click_count == 1) {
01018           if (this->editable && this->avail_sel != NULL && !HasBit(this->avail_sel->flags, GCF_INVALID)) SetObjectToPlaceWnd(SPR_CURSOR_MOUSE, PAL_NONE, HT_DRAG, this);
01019           break;
01020         }
01021         /* FALL THROUGH, with double click. */
01022       }
01023 
01024       case WID_NS_ADD:
01025         if (this->avail_sel == NULL || !this->editable || HasBit(this->avail_sel->flags, GCF_INVALID)) break;
01026 
01027         this->AddGRFToActive();
01028         break;
01029 
01030       case WID_NS_APPLY_CHANGES: // Apply changes made to GRF list
01031         if (!this->editable) break;
01032         if (this->execute) {
01033           ShowQuery(
01034             STR_NEWGRF_POPUP_CAUTION_CAPTION,
01035             STR_NEWGRF_CONFIRMATION_TEXT,
01036             this,
01037             NewGRFConfirmationCallback
01038           );
01039         } else {
01040           CopyGRFConfigList(this->orig_list, this->actives, true);
01041           ResetGRFConfig(false);
01042           ReloadNewGRFData();
01043         }
01044         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
01045         break;
01046 
01047       case WID_NS_VIEW_PARAMETERS:
01048       case WID_NS_SET_PARAMETERS: { // Edit parameters
01049         if (this->active_sel == NULL || !this->show_params || this->active_sel->num_valid_params == 0) break;
01050 
01051         OpenGRFParameterWindow(this->active_sel, this->editable);
01052         break;
01053       }
01054 
01055       case WID_NS_TOGGLE_PALETTE:
01056         if (this->active_sel != NULL || !this->editable) {
01057           this->active_sel->palette ^= GRFP_USE_MASK;
01058           this->SetDirty();
01059         }
01060         break;
01061 
01062       case WID_NS_CONTENT_DOWNLOAD:
01063       case WID_NS_CONTENT_DOWNLOAD2:
01064         if (!_network_available) {
01065           ShowErrorMessage(STR_NETWORK_ERROR_NOTAVAILABLE, INVALID_STRING_ID, WL_ERROR);
01066         } else {
01067 #if defined(ENABLE_NETWORK)
01068           this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
01069 
01070           ShowMissingContentWindow(this->actives);
01071 #endif
01072         }
01073         break;
01074 
01075       case WID_NS_RESCAN_FILES:
01076       case WID_NS_RESCAN_FILES2:
01077         ScanNewGRFFiles(this);
01078         break;
01079     }
01080   }
01081 
01082   virtual void OnNewGRFsScanned()
01083   {
01084     this->avail_sel = NULL;
01085     this->avail_pos = -1;
01086     this->avails.ForceRebuild();
01087     this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
01088     this->DeleteChildWindows(WC_TEXTFILE);     // Remove the view textfile window
01089   }
01090 
01091   virtual void OnDropdownSelect(int widget, int index)
01092   {
01093     if (!this->editable) return;
01094 
01095     ClearGRFConfigList(&this->actives);
01096     this->preset = index;
01097 
01098     if (index != -1) {
01099       this->actives = LoadGRFPresetFromConfig(_grf_preset_list[index]);
01100     }
01101     this->avails.ForceRebuild();
01102 
01103     ResetObjectToPlace();
01104     DeleteWindowByClass(WC_GRF_PARAMETERS);
01105     this->active_sel = NULL;
01106     this->InvalidateData(GOID_NEWGRF_PRESET_LOADED);
01107   }
01108 
01109   virtual void OnQueryTextFinished(char *str)
01110   {
01111     if (str == NULL) return;
01112 
01113     SaveGRFPresetToConfig(str, this->actives);
01114     GetGRFPresetList(&_grf_preset_list);
01115 
01116     /* Switch to this preset */
01117     for (uint i = 0; i < _grf_preset_list.Length(); i++) {
01118       if (_grf_preset_list[i] != NULL && strcmp(_grf_preset_list[i], str) == 0) {
01119         this->preset = i;
01120         break;
01121       }
01122     }
01123 
01124     this->InvalidateData();
01125   }
01126 
01132   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
01133   {
01134     if (!gui_scope) return;
01135     switch (data) {
01136       default:
01137         /* Nothing important to do */
01138         break;
01139 
01140       case GOID_NEWGRF_RESCANNED:
01141         /* Search the list for items that are now found and mark them as such. */
01142         for (GRFConfig **l = &this->actives; *l != NULL; l = &(*l)->next) {
01143           GRFConfig *c = *l;
01144           bool compatible = HasBit(c->flags, GCF_COMPATIBLE);
01145           if (c->status != GCS_NOT_FOUND && !compatible) continue;
01146 
01147           const GRFConfig *f = FindGRFConfig(c->ident.grfid, FGCM_EXACT, compatible ? c->original_md5sum : c->ident.md5sum);
01148           if (f == NULL || HasBit(f->flags, GCF_INVALID)) continue;
01149 
01150           *l = new GRFConfig(*f);
01151           (*l)->next = c->next;
01152 
01153           if (active_sel == c) active_sel = *l;
01154 
01155           delete c;
01156         }
01157 
01158         this->avails.ForceRebuild();
01159         /* FALL THROUGH */
01160       case GOID_NEWGRF_LIST_EDITED:
01161         this->preset = -1;
01162         /* FALL THROUGH */
01163       case GOID_NEWGRF_PRESET_LOADED: {
01164         /* Update scrollbars */
01165         int i = 0;
01166         for (const GRFConfig *c = this->actives; c != NULL; c = c->next, i++) {}
01167 
01168         this->vscroll->SetCapacityFromWidget(this, WID_NS_FILE_LIST);
01169         this->vscroll->SetCount(i + 1); // Reserve empty space for drag and drop handling.
01170 
01171         this->vscroll2->SetCapacityFromWidget(this, WID_NS_AVAIL_LIST);
01172         if (this->avail_pos >= 0) this->vscroll2->ScrollTowards(this->avail_pos);
01173         break;
01174       }
01175     }
01176 
01177     this->BuildAvailables();
01178 
01179     this->SetWidgetsDisabledState(!this->editable,
01180       WID_NS_PRESET_LIST,
01181       WID_NS_APPLY_CHANGES,
01182       WID_NS_TOGGLE_PALETTE,
01183       WIDGET_LIST_END
01184     );
01185     this->SetWidgetDisabledState(WID_NS_ADD, !this->editable || this->avail_sel == NULL || HasBit(this->avail_sel->flags, GCF_INVALID));
01186 
01187     bool disable_all = this->active_sel == NULL || !this->editable;
01188     this->SetWidgetsDisabledState(disable_all,
01189       WID_NS_REMOVE,
01190       WID_NS_MOVE_UP,
01191       WID_NS_MOVE_DOWN,
01192       WIDGET_LIST_END
01193     );
01194 
01195     const GRFConfig *c = (this->avail_sel == NULL) ? this->active_sel : this->avail_sel;
01196     for (TextfileType tft = TFT_BEGIN; tft < TFT_END; tft++) {
01197       this->SetWidgetDisabledState(WID_NS_NEWGRF_TEXTFILE + tft, c == NULL || c->GetTextfile(tft) == NULL);
01198     }
01199     this->SetWidgetDisabledState(WID_NS_OPEN_URL, c == NULL || StrEmpty(c->GetURL()));
01200 
01201     this->SetWidgetDisabledState(WID_NS_SET_PARAMETERS, !this->show_params || this->active_sel == NULL || this->active_sel->num_valid_params == 0);
01202     this->SetWidgetDisabledState(WID_NS_VIEW_PARAMETERS, !this->show_params || this->active_sel == NULL || this->active_sel->num_valid_params == 0);
01203     this->SetWidgetDisabledState(WID_NS_TOGGLE_PALETTE, disable_all);
01204 
01205     if (!disable_all) {
01206       /* All widgets are now enabled, so disable widgets we can't use */
01207       if (this->active_sel == this->actives)    this->DisableWidget(WID_NS_MOVE_UP);
01208       if (this->active_sel->next == NULL)       this->DisableWidget(WID_NS_MOVE_DOWN);
01209       if (this->active_sel->IsOpenTTDBaseGRF()) this->DisableWidget(WID_NS_REMOVE);
01210     }
01211 
01212     this->SetWidgetDisabledState(WID_NS_PRESET_DELETE, this->preset == -1);
01213 
01214     bool has_missing = false;
01215     bool has_compatible = false;
01216     for (const GRFConfig *c = this->actives; !has_missing && c != NULL; c = c->next) {
01217       has_missing    |= c->status == GCS_NOT_FOUND;
01218       has_compatible |= HasBit(c->flags, GCF_COMPATIBLE);
01219     }
01220     uint32 widget_data;
01221     StringID tool_tip;
01222     if (has_missing || has_compatible) {
01223       widget_data = STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_BUTTON;
01224       tool_tip    = STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_TOOLTIP;
01225     } else {
01226       widget_data = STR_INTRO_ONLINE_CONTENT;
01227       tool_tip    = STR_INTRO_TOOLTIP_ONLINE_CONTENT;
01228     }
01229     this->GetWidget<NWidgetCore>(WID_NS_CONTENT_DOWNLOAD)->widget_data  = widget_data;
01230     this->GetWidget<NWidgetCore>(WID_NS_CONTENT_DOWNLOAD)->tool_tip     = tool_tip;
01231     this->GetWidget<NWidgetCore>(WID_NS_CONTENT_DOWNLOAD2)->widget_data = widget_data;
01232     this->GetWidget<NWidgetCore>(WID_NS_CONTENT_DOWNLOAD2)->tool_tip    = tool_tip;
01233 
01234     this->SetWidgetDisabledState(WID_NS_PRESET_SAVE, has_missing);
01235   }
01236 
01237   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
01238   {
01239     if (!this->editable) return ES_NOT_HANDLED;
01240 
01241     switch (keycode) {
01242       case WKC_UP:
01243         /* scroll up by one */
01244         if (this->avail_pos > 0) this->avail_pos--;
01245         break;
01246 
01247       case WKC_DOWN:
01248         /* scroll down by one */
01249         if (this->avail_pos < (int)this->avails.Length() - 1) this->avail_pos++;
01250         break;
01251 
01252       case WKC_PAGEUP:
01253         /* scroll up a page */
01254         this->avail_pos = (this->avail_pos < this->vscroll2->GetCapacity()) ? 0 : this->avail_pos - this->vscroll2->GetCapacity();
01255         break;
01256 
01257       case WKC_PAGEDOWN:
01258         /* scroll down a page */
01259         this->avail_pos = min(this->avail_pos + this->vscroll2->GetCapacity(), (int)this->avails.Length() - 1);
01260         break;
01261 
01262       case WKC_HOME:
01263         /* jump to beginning */
01264         this->avail_pos = 0;
01265         break;
01266 
01267       case WKC_END:
01268         /* jump to end */
01269         this->avail_pos = this->avails.Length() - 1;
01270         break;
01271 
01272       default:
01273         return ES_NOT_HANDLED;
01274     }
01275 
01276     if (this->avails.Length() == 0) this->avail_pos = -1;
01277     if (this->avail_pos >= 0) {
01278       this->avail_sel = this->avails[this->avail_pos];
01279       this->vscroll2->ScrollTowards(this->avail_pos);
01280       this->InvalidateData(0);
01281     }
01282 
01283     return ES_HANDLED;
01284   }
01285 
01286   virtual void OnEditboxChanged(int wid)
01287   {
01288     if (!this->editable) return;
01289 
01290     string_filter.SetFilterTerm(this->filter_editbox.text.buf);
01291     this->avails.SetFilterState(!string_filter.IsEmpty());
01292     this->avails.ForceRebuild();
01293     this->InvalidateData(0);
01294   }
01295 
01296   virtual void OnDragDrop(Point pt, int widget)
01297   {
01298     if (!this->editable) return;
01299 
01300     if (widget == WID_NS_FILE_LIST) {
01301       if (this->active_sel != NULL) {
01302         /* Get pointer to the selected file in the active list. */
01303         int from_pos = 0;
01304         GRFConfig **from_prev;
01305         for (from_prev = &this->actives; *from_prev != this->active_sel; from_prev = &(*from_prev)->next, from_pos++) {}
01306 
01307         /* Gets the drag-and-drop destination offset. Ignore the last dummy line. */
01308         int to_pos = min(this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_NS_FILE_LIST), this->vscroll->GetCount() - 2);
01309         if (to_pos != from_pos) { // Don't move NewGRF file over itself.
01310           /* Get pointer to destination position. */
01311           GRFConfig **to_prev = &this->actives;
01312           for (int i = from_pos < to_pos ? -1 : 0; *to_prev != NULL && i < to_pos; to_prev = &(*to_prev)->next, i++) {}
01313 
01314           /* Detach NewGRF file from its original position. */
01315           *from_prev = this->active_sel->next;
01316 
01317           /* Attach NewGRF file to its new position. */
01318           this->active_sel->next = *to_prev;
01319           *to_prev = this->active_sel;
01320 
01321           this->vscroll->ScrollTowards(to_pos);
01322           this->preset = -1;
01323           this->InvalidateData();
01324         }
01325       } else if (this->avail_sel != NULL) {
01326         int to_pos = min(this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_NS_FILE_LIST), this->vscroll->GetCount() - 1);
01327         this->AddGRFToActive(to_pos);
01328       }
01329     } else if (widget == WID_NS_AVAIL_LIST && this->active_sel != NULL) {
01330       /* Remove active NewGRF file by dragging it over available list. */
01331       Point dummy = {-1, -1};
01332       this->OnClick(dummy, WID_NS_REMOVE, 1);
01333     }
01334 
01335     ResetObjectToPlace();
01336 
01337     if (this->active_over != -1) {
01338       /* End of drag-and-drop, hide dragged destination highlight. */
01339       this->SetWidgetDirty(this->active_over == -2 ? WID_NS_AVAIL_LIST : WID_NS_FILE_LIST);
01340       this->active_over = -1;
01341     }
01342   }
01343 
01344   virtual void OnMouseDrag(Point pt, int widget)
01345   {
01346     if (!this->editable) return;
01347 
01348     if (widget == WID_NS_FILE_LIST && (this->active_sel != NULL || this->avail_sel != NULL)) {
01349       /* An NewGRF file is dragged over the active list. */
01350       int to_pos = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_NS_FILE_LIST);
01351       /* Skip the last dummy line if the source is from the active list. */
01352       to_pos = min(to_pos, this->vscroll->GetCount() - (this->active_sel != NULL ? 2 : 1));
01353 
01354       if (to_pos != this->active_over) {
01355         this->active_over = to_pos;
01356         this->SetWidgetDirty(WID_NS_FILE_LIST);
01357       }
01358     } else if (widget == WID_NS_AVAIL_LIST && this->active_sel != NULL) {
01359       this->active_over = -2;
01360       this->SetWidgetDirty(WID_NS_AVAIL_LIST);
01361     } else if (this->active_over != -1) {
01362       this->SetWidgetDirty(this->active_over == -2 ? WID_NS_AVAIL_LIST : WID_NS_FILE_LIST);
01363       this->active_over = -1;
01364     }
01365   }
01366 
01367 private:
01369   static int CDECL NameSorter(const GRFConfig * const *a, const GRFConfig * const *b)
01370   {
01371     int i = strnatcmp((*a)->GetName(), (*b)->GetName(), true); // Sort by name (natural sorting).
01372     if (i != 0) return i;
01373 
01374     i = (*a)->version - (*b)->version;
01375     if (i != 0) return i;
01376 
01377     return memcmp((*a)->ident.md5sum, (*b)->ident.md5sum, lengthof((*b)->ident.md5sum));
01378   }
01379 
01381   static bool CDECL TagNameFilter(const GRFConfig * const *a, StringFilter &filter)
01382   {
01383     filter.ResetState();
01384     filter.AddLine((*a)->GetName());
01385     filter.AddLine((*a)->filename);
01386     filter.AddLine((*a)->GetDescription());
01387     return filter.GetState();;
01388   }
01389 
01390   void BuildAvailables()
01391   {
01392     if (!this->avails.NeedRebuild()) return;
01393 
01394     this->avails.Clear();
01395 
01396     for (const GRFConfig *c = _all_grfs; c != NULL; c = c->next) {
01397       bool found = false;
01398       for (const GRFConfig *grf = this->actives; grf != NULL && !found; grf = grf->next) found = grf->ident.HasGrfIdentifier(c->ident.grfid, c->ident.md5sum);
01399       if (found) continue;
01400 
01401       if (_settings_client.gui.newgrf_show_old_versions) {
01402         *this->avails.Append() = c;
01403       } else {
01404         const GRFConfig *best = FindGRFConfig(c->ident.grfid, HasBit(c->flags, GCF_INVALID) ? FGCM_NEWEST : FGCM_NEWEST_VALID);
01405         /*
01406          * If the best version is 0, then all NewGRF with this GRF ID
01407          * have version 0, so for backward compatibility reasons we
01408          * want to show them all.
01409          * If we are the best version, then we definitely want to
01410          * show that NewGRF!.
01411          */
01412         if (best->version == 0 || best->ident.HasGrfIdentifier(c->ident.grfid, c->ident.md5sum)) {
01413           *this->avails.Append() = c;
01414         }
01415       }
01416     }
01417 
01418     this->avails.Filter(this->string_filter);
01419     this->avails.Compact();
01420     this->avails.RebuildDone();
01421     this->avails.Sort();
01422 
01423     if (this->avail_sel != NULL) {
01424       this->avail_pos = this->avails.FindIndex(this->avail_sel);
01425       if (this->avail_pos < 0) this->avail_sel = NULL;
01426     }
01427 
01428     this->vscroll2->SetCount(this->avails.Length()); // Update the scrollbar
01429   }
01430 
01436   bool AddGRFToActive(int ins_pos = -1)
01437   {
01438     if (this->avail_sel == NULL || !this->editable || HasBit(this->avail_sel->flags, GCF_INVALID)) return false;
01439 
01440     int count = 0;
01441     GRFConfig **entry = NULL;
01442     GRFConfig **list;
01443     /* Find last entry in the list, checking for duplicate grfid on the way */
01444     for (list = &this->actives; *list != NULL; list = &(*list)->next, ins_pos--) {
01445       if (ins_pos == 0) entry = list; // Insert position? Save.
01446       if ((*list)->ident.grfid == this->avail_sel->ident.grfid) {
01447         ShowErrorMessage(STR_NEWGRF_DUPLICATE_GRFID, INVALID_STRING_ID, WL_INFO);
01448         return false;
01449       }
01450       count++;
01451     }
01452     if (entry == NULL) entry = list;
01453     if (count >= MAX_NEWGRFS) {
01454       ShowErrorMessage(STR_NEWGRF_TOO_MANY_NEWGRFS, INVALID_STRING_ID, WL_INFO);
01455       return false;
01456     }
01457 
01458     GRFConfig *c = new GRFConfig(*this->avail_sel); // Copy GRF details from scanned list.
01459     c->SetParameterDefaults();
01460 
01461     /* Insert GRF config to configuration list. */
01462     c->next = *entry;
01463     *entry = c;
01464 
01465     /* Select next (or previous, if last one) item in the list. */
01466     int new_pos = this->avail_pos + 1;
01467     if (new_pos >= (int)this->avails.Length()) new_pos = this->avail_pos - 1;
01468     this->avail_pos = new_pos;
01469     if (new_pos >= 0) this->avail_sel = this->avails[new_pos];
01470 
01471     this->avails.ForceRebuild();
01472     this->InvalidateData(GOID_NEWGRF_LIST_EDITED);
01473     return true;
01474   }
01475 };
01476 
01477 #if defined(ENABLE_NETWORK)
01478 
01482 void ShowMissingContentWindow(const GRFConfig *list)
01483 {
01484   /* Only show the things in the current list, or everything when nothing's selected */
01485   ContentVector cv;
01486   for (const GRFConfig *c = list; c != NULL; c = c->next) {
01487     if (c->status != GCS_NOT_FOUND && !HasBit(c->flags, GCF_COMPATIBLE)) continue;
01488 
01489     ContentInfo *ci = new ContentInfo();
01490     ci->type = CONTENT_TYPE_NEWGRF;
01491     ci->state = ContentInfo::DOES_NOT_EXIST;
01492     ttd_strlcpy(ci->name, c->GetName(), lengthof(ci->name));
01493     ci->unique_id = BSWAP32(c->ident.grfid);
01494     memcpy(ci->md5sum, HasBit(c->flags, GCF_COMPATIBLE) ? c->original_md5sum : c->ident.md5sum, sizeof(ci->md5sum));
01495     *cv.Append() = ci;
01496   }
01497   ShowNetworkContentListWindow(cv.Length() == 0 ? NULL : &cv, CONTENT_TYPE_NEWGRF);
01498 }
01499 #endif
01500 
01501 Listing NewGRFWindow::last_sorting     = {false, 0};
01502 Filtering NewGRFWindow::last_filtering = {false, 0};
01503 
01504 NewGRFWindow::GUIGRFConfigList::SortFunction * const NewGRFWindow::sorter_funcs[] = {
01505   &NameSorter,
01506 };
01507 
01508 NewGRFWindow::GUIGRFConfigList::FilterFunction * const NewGRFWindow::filter_funcs[] = {
01509   &TagNameFilter,
01510 };
01511 
01518 class NWidgetNewGRFDisplay : public NWidgetContainer {
01519 public:
01520   static const uint INTER_LIST_SPACING;      
01521   static const uint INTER_COLUMN_SPACING;    
01522   static const uint MAX_EXTRA_INFO_WIDTH;    
01523   static const uint MIN_EXTRA_FOR_3_COLUMNS; 
01524 
01525   NWidgetBase *avs; 
01526   NWidgetBase *acs; 
01527   NWidgetBase *inf; 
01528   bool editable;    
01529 
01530   NWidgetNewGRFDisplay(NWidgetBase *avs, NWidgetBase *acs, NWidgetBase *inf) : NWidgetContainer(NWID_HORIZONTAL)
01531   {
01532     this->avs = avs;
01533     this->acs = acs;
01534     this->inf = inf;
01535 
01536     this->Add(this->avs);
01537     this->Add(this->acs);
01538     this->Add(this->inf);
01539 
01540     this->editable = true; // Temporary setting, 'real' value is set in SetupSmallestSize().
01541   }
01542 
01543   virtual void SetupSmallestSize(Window *w, bool init_array)
01544   {
01545     /* Copy state flag from the window. */
01546     assert(dynamic_cast<NewGRFWindow *>(w) != NULL);
01547     NewGRFWindow *ngw = (NewGRFWindow *)w;
01548     this->editable = ngw->editable;
01549 
01550     this->avs->SetupSmallestSize(w, init_array);
01551     this->acs->SetupSmallestSize(w, init_array);
01552     this->inf->SetupSmallestSize(w, init_array);
01553 
01554     uint min_avs_width = this->avs->smallest_x + this->avs->padding_left + this->avs->padding_right;
01555     uint min_acs_width = this->acs->smallest_x + this->acs->padding_left + this->acs->padding_right;
01556     uint min_inf_width = this->inf->smallest_x + this->inf->padding_left + this->inf->padding_right;
01557 
01558     uint min_avs_height = this->avs->smallest_y + this->avs->padding_top + this->avs->padding_bottom;
01559     uint min_acs_height = this->acs->smallest_y + this->acs->padding_top + this->acs->padding_bottom;
01560     uint min_inf_height = this->inf->smallest_y + this->inf->padding_top + this->inf->padding_bottom;
01561 
01562     /* Smallest window is in two column mode. */
01563     this->smallest_x = max(min_avs_width, min_acs_width) + INTER_COLUMN_SPACING + min_inf_width;
01564     this->smallest_y = max(min_inf_height, min_acs_height + INTER_LIST_SPACING + min_avs_height);
01565 
01566     /* Filling. */
01567     this->fill_x = LeastCommonMultiple(this->avs->fill_x, this->acs->fill_x);
01568     if (this->inf->fill_x > 0 && (this->fill_x == 0 || this->fill_x > this->inf->fill_x)) this->fill_x = this->inf->fill_x;
01569 
01570     this->fill_y = this->avs->fill_y;
01571     if (this->acs->fill_y > 0 && (this->fill_y == 0 || this->fill_y > this->acs->fill_y)) this->fill_y = this->acs->fill_y;
01572     this->fill_y = LeastCommonMultiple(this->fill_y, this->inf->fill_y);
01573 
01574     /* Resizing. */
01575     this->resize_x = LeastCommonMultiple(this->avs->resize_x, this->acs->resize_x);
01576     if (this->inf->resize_x > 0 && (this->resize_x == 0 || this->resize_x > this->inf->resize_x)) this->resize_x = this->inf->resize_x;
01577 
01578     this->resize_y = this->avs->resize_y;
01579     if (this->acs->resize_y > 0 && (this->resize_y == 0 || this->resize_y > this->acs->resize_y)) this->resize_y = this->acs->resize_y;
01580     this->resize_y = LeastCommonMultiple(this->resize_y, this->inf->resize_y);
01581 
01582     /* Make sure the height suits the 3 column (resp. not-editable) format; the 2 column format can easily fill space between the lists */
01583     this->smallest_y = ComputeMaxSize(min_acs_height, this->smallest_y + this->resize_y - 1, this->resize_y);
01584   }
01585 
01586   virtual void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
01587   {
01588     this->StoreSizePosition(sizing, x, y, given_width, given_height);
01589 
01590     uint min_avs_width = this->avs->smallest_x + this->avs->padding_left + this->avs->padding_right;
01591     uint min_acs_width = this->acs->smallest_x + this->acs->padding_left + this->acs->padding_right;
01592     uint min_inf_width = this->inf->smallest_x + this->inf->padding_left + this->inf->padding_right;
01593 
01594     uint min_list_width = max(min_avs_width, min_acs_width); // Smallest width of the lists such that they have equal width (incl padding).
01595     uint avs_extra_width = min_list_width - min_avs_width;   // Additional width needed for avs to reach min_list_width.
01596     uint acs_extra_width = min_list_width - min_acs_width;   // Additional width needed for acs to reach min_list_width.
01597 
01598     /* Use 2 or 3 columns? */
01599     uint min_three_columns = min_avs_width + min_acs_width + min_inf_width + 2 * INTER_COLUMN_SPACING;
01600     uint min_two_columns   = min_list_width + min_inf_width + INTER_COLUMN_SPACING;
01601     bool use_three_columns = this->editable && (min_three_columns + MIN_EXTRA_FOR_3_COLUMNS <= given_width);
01602 
01603     /* Info panel is a separate column in both modes. Compute its width first. */
01604     uint extra_width, inf_width;
01605     if (use_three_columns) {
01606       extra_width = given_width - min_three_columns;
01607       inf_width = min(MAX_EXTRA_INFO_WIDTH, extra_width / 2);
01608     } else {
01609       extra_width = given_width - min_two_columns;
01610       inf_width = min(MAX_EXTRA_INFO_WIDTH, extra_width / 2);
01611     }
01612     inf_width = ComputeMaxSize(this->inf->smallest_x, this->inf->smallest_x + inf_width, this->inf->GetHorizontalStepSize(sizing));
01613     extra_width -= inf_width - this->inf->smallest_x;
01614 
01615     uint inf_height = ComputeMaxSize(this->inf->smallest_y, given_height, this->inf->GetVerticalStepSize(sizing));
01616 
01617     if (use_three_columns) {
01618       /* Three column display, first make both lists equally wide, then divide whatever is left between both lists.
01619        * Only keep track of what avs gets, all other space goes to acs. */
01620       uint avs_width = min(avs_extra_width, extra_width);
01621       extra_width -= avs_width;
01622       extra_width -= min(acs_extra_width, extra_width);
01623       avs_width += extra_width / 2;
01624 
01625       avs_width = ComputeMaxSize(this->avs->smallest_x, this->avs->smallest_x + avs_width, this->avs->GetHorizontalStepSize(sizing));
01626 
01627       uint acs_width = given_width - // Remaining space, including horizontal padding.
01628           inf_width - this->inf->padding_left - this->inf->padding_right -
01629           avs_width - this->avs->padding_left - this->avs->padding_right - 2 * INTER_COLUMN_SPACING;
01630       acs_width = ComputeMaxSize(min_acs_width, acs_width, this->acs->GetHorizontalStepSize(sizing)) -
01631           this->acs->padding_left - this->acs->padding_right;
01632 
01633       /* Never use fill_y on these; the minimal size is chosen, so that the 3 column view looks nice */
01634       uint avs_height = ComputeMaxSize(this->avs->smallest_y, given_height, this->avs->resize_y);
01635       uint acs_height = ComputeMaxSize(this->acs->smallest_y, given_height, this->acs->resize_y);
01636 
01637       /* Assign size and position to the children. */
01638       if (rtl) {
01639         x += this->inf->padding_left;
01640         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01641         x += inf_width + this->inf->padding_right + INTER_COLUMN_SPACING;
01642       } else {
01643         x += this->avs->padding_left;
01644         this->avs->AssignSizePosition(sizing, x, y + this->avs->padding_top, avs_width, avs_height, rtl);
01645         x += avs_width + this->avs->padding_right + INTER_COLUMN_SPACING;
01646       }
01647 
01648       x += this->acs->padding_left;
01649       this->acs->AssignSizePosition(sizing, x, y + this->acs->padding_top, acs_width, acs_height, rtl);
01650       x += acs_width + this->acs->padding_right + INTER_COLUMN_SPACING;
01651 
01652       if (rtl) {
01653         x += this->avs->padding_left;
01654         this->avs->AssignSizePosition(sizing, x, y + this->avs->padding_top, avs_width, avs_height, rtl);
01655       } else {
01656         x += this->inf->padding_left;
01657         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01658       }
01659     } else {
01660       /* Two columns, all space in extra_width goes to both lists. Since the lists are underneath each other,
01661        * the column is min_list_width wide at least. */
01662       uint avs_width = ComputeMaxSize(this->avs->smallest_x, this->avs->smallest_x + avs_extra_width + extra_width,
01663           this->avs->GetHorizontalStepSize(sizing));
01664       uint acs_width = ComputeMaxSize(this->acs->smallest_x, this->acs->smallest_x + acs_extra_width + extra_width,
01665           this->acs->GetHorizontalStepSize(sizing));
01666 
01667       uint min_avs_height = (!this->editable) ? 0 : this->avs->smallest_y + this->avs->padding_top + this->avs->padding_bottom + INTER_LIST_SPACING;
01668       uint min_acs_height = this->acs->smallest_y + this->acs->padding_top + this->acs->padding_bottom;
01669       uint extra_height = given_height - min_acs_height - min_avs_height;
01670 
01671       /* Never use fill_y on these; instead use the INTER_LIST_SPACING as filler */
01672       uint avs_height = ComputeMaxSize(this->avs->smallest_y, this->avs->smallest_y + extra_height / 2, this->avs->resize_y);
01673       if (this->editable) extra_height -= avs_height - this->avs->smallest_y;
01674       uint acs_height = ComputeMaxSize(this->acs->smallest_y, this->acs->smallest_y + extra_height, this->acs->resize_y);
01675 
01676       /* Assign size and position to the children. */
01677       if (rtl) {
01678         x += this->inf->padding_left;
01679         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01680         x += inf_width + this->inf->padding_right + INTER_COLUMN_SPACING;
01681 
01682         this->acs->AssignSizePosition(sizing, x + this->acs->padding_left, y + this->acs->padding_top, acs_width, acs_height, rtl);
01683         if (this->editable) {
01684           this->avs->AssignSizePosition(sizing, x + this->avs->padding_left, y + given_height - avs_height - this->avs->padding_bottom, avs_width, avs_height, rtl);
01685         } else {
01686           this->avs->AssignSizePosition(sizing, 0, 0, this->avs->smallest_x, this->avs->smallest_y, rtl);
01687         }
01688       } else {
01689         this->acs->AssignSizePosition(sizing, x + this->acs->padding_left, y + this->acs->padding_top, acs_width, acs_height, rtl);
01690         if (this->editable) {
01691           this->avs->AssignSizePosition(sizing, x + this->avs->padding_left, y + given_height - avs_height - this->avs->padding_bottom, avs_width, avs_height, rtl);
01692         } else {
01693           this->avs->AssignSizePosition(sizing, 0, 0, this->avs->smallest_x, this->avs->smallest_y, rtl);
01694         }
01695         uint dx = this->acs->current_x + this->acs->padding_left + this->acs->padding_right;
01696         if (this->editable) {
01697           dx = max(dx, this->avs->current_x + this->avs->padding_left + this->avs->padding_right);
01698         }
01699         x += dx + INTER_COLUMN_SPACING + this->inf->padding_left;
01700         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01701       }
01702     }
01703   }
01704 
01705   virtual NWidgetCore *GetWidgetFromPos(int x, int y)
01706   {
01707     if (!IsInsideBS(x, this->pos_x, this->current_x) || !IsInsideBS(y, this->pos_y, this->current_y)) return NULL;
01708 
01709     NWidgetCore *nw = (this->editable) ? this->avs->GetWidgetFromPos(x, y) : NULL;
01710     if (nw == NULL) nw = this->acs->GetWidgetFromPos(x, y);
01711     if (nw == NULL) nw = this->inf->GetWidgetFromPos(x, y);
01712     return nw;
01713   }
01714 
01715   virtual void Draw(const Window *w)
01716   {
01717     if (this->editable) this->avs->Draw(w);
01718     this->acs->Draw(w);
01719     this->inf->Draw(w);
01720   }
01721 };
01722 
01723 const uint NWidgetNewGRFDisplay::INTER_LIST_SPACING      = WD_RESIZEBOX_WIDTH + 1;
01724 const uint NWidgetNewGRFDisplay::INTER_COLUMN_SPACING    = WD_RESIZEBOX_WIDTH;
01725 const uint NWidgetNewGRFDisplay::MAX_EXTRA_INFO_WIDTH    = 150;
01726 const uint NWidgetNewGRFDisplay::MIN_EXTRA_FOR_3_COLUMNS = 50;
01727 
01728 static const NWidgetPart _nested_newgrf_actives_widgets[] = {
01729   /* Left side, presets. */
01730   NWidget(NWID_HORIZONTAL),
01731     NWidget(WWT_TEXT, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_SELECT_PRESET, STR_NULL),
01732         SetPadding(0, WD_FRAMETEXT_RIGHT, 0, 0),
01733     NWidget(WWT_DROPDOWN, COLOUR_YELLOW, WID_NS_PRESET_LIST), SetFill(1, 0), SetResize(1, 0),
01734         SetDataTip(STR_JUST_STRING, STR_NEWGRF_SETTINGS_PRESET_LIST_TOOLTIP),
01735   EndContainer(),
01736   NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01737     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_PRESET_SAVE), SetFill(1, 0), SetResize(1, 0),
01738         SetDataTip(STR_NEWGRF_SETTINGS_PRESET_SAVE, STR_NEWGRF_SETTINGS_PRESET_SAVE_TOOLTIP),
01739     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_PRESET_DELETE), SetFill(1, 0), SetResize(1, 0),
01740         SetDataTip(STR_NEWGRF_SETTINGS_PRESET_DELETE, STR_NEWGRF_SETTINGS_PRESET_DELETE_TOOLTIP),
01741   EndContainer(),
01742 
01743   NWidget(NWID_SPACER), SetMinimalSize(0, WD_RESIZEBOX_WIDTH), SetResize(1, 0), SetFill(1, 0),
01744   NWidget(WWT_PANEL, COLOUR_MAUVE),
01745     NWidget(WWT_LABEL, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_ACTIVE_LIST, STR_NULL),
01746         SetFill(1, 0), SetResize(1, 0), SetPadding(3, WD_FRAMETEXT_RIGHT, 0, WD_FRAMETEXT_LEFT),
01747     /* Left side, active grfs. */
01748     NWidget(NWID_HORIZONTAL), SetPadding(0, 2, 0, 2),
01749       NWidget(WWT_PANEL, COLOUR_MAUVE),
01750         NWidget(WWT_INSET, COLOUR_MAUVE, WID_NS_FILE_LIST), SetMinimalSize(100, 1), SetPadding(2, 2, 2, 2),
01751             SetFill(1, 1), SetResize(1, 1), SetScrollbar(WID_NS_SCROLLBAR), SetDataTip(STR_NULL, STR_NEWGRF_SETTINGS_FILE_TOOLTIP),
01752         EndContainer(),
01753       EndContainer(),
01754       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_NS_SCROLLBAR),
01755     EndContainer(),
01756     /* Buttons. */
01757     NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NS_SHOW_REMOVE),
01758       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01759         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_REMOVE), SetFill(1, 0), SetResize(1, 0),
01760             SetDataTip(STR_NEWGRF_SETTINGS_REMOVE, STR_NEWGRF_SETTINGS_REMOVE_TOOLTIP),
01761         NWidget(NWID_VERTICAL),
01762           NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_MOVE_UP), SetFill(1, 0), SetResize(1, 0),
01763               SetDataTip(STR_NEWGRF_SETTINGS_MOVEUP, STR_NEWGRF_SETTINGS_MOVEUP_TOOLTIP),
01764           NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_MOVE_DOWN), SetFill(1, 0), SetResize(1, 0),
01765               SetDataTip(STR_NEWGRF_SETTINGS_MOVEDOWN, STR_NEWGRF_SETTINGS_MOVEDOWN_TOOLTIP),
01766         EndContainer(),
01767       EndContainer(),
01768 
01769       NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2),
01770         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_RESCAN_FILES2), SetFill(1, 0), SetResize(1, 0),
01771             SetDataTip(STR_NEWGRF_SETTINGS_RESCAN_FILES, STR_NEWGRF_SETTINGS_RESCAN_FILES_TOOLTIP),
01772         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_CONTENT_DOWNLOAD2), SetFill(1, 0), SetResize(1, 0),
01773             SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),
01774       EndContainer(),
01775     EndContainer(),
01776   EndContainer(),
01777 };
01778 
01779 static const NWidgetPart _nested_newgrf_availables_widgets[] = {
01780   NWidget(WWT_PANEL, COLOUR_MAUVE),
01781     NWidget(WWT_LABEL, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_INACTIVE_LIST, STR_NULL),
01782         SetFill(1, 0), SetResize(1, 0), SetPadding(3, WD_FRAMETEXT_RIGHT, 0, WD_FRAMETEXT_LEFT),
01783     /* Left side, available grfs, filter edit box. */
01784     NWidget(NWID_HORIZONTAL), SetPadding(WD_TEXTPANEL_TOP, 0, WD_TEXTPANEL_BOTTOM, 0),
01785         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
01786       NWidget(WWT_TEXT, COLOUR_MAUVE), SetFill(0, 1), SetDataTip(STR_NEWGRF_FILTER_TITLE, STR_NULL),
01787       NWidget(WWT_EDITBOX, COLOUR_MAUVE, WID_NS_FILTER), SetFill(1, 0), SetMinimalSize(50, 12), SetResize(1, 0),
01788           SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
01789     EndContainer(),
01790     /* Left side, available grfs. */
01791     NWidget(NWID_HORIZONTAL), SetPadding(0, 2, 0, 2),
01792       NWidget(WWT_PANEL, COLOUR_MAUVE),
01793         NWidget(WWT_INSET, COLOUR_MAUVE, WID_NS_AVAIL_LIST), SetMinimalSize(100, 1), SetPadding(2, 2, 2, 2),
01794             SetFill(1, 1), SetResize(1, 1), SetScrollbar(WID_NS_SCROLL2BAR),
01795         EndContainer(),
01796       EndContainer(),
01797       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_NS_SCROLL2BAR),
01798     EndContainer(),
01799     /* Left side, available grfs, buttons. */
01800     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01801       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_ADD), SetFill(1, 0), SetResize(1, 0),
01802           SetDataTip(STR_NEWGRF_SETTINGS_ADD, STR_NEWGRF_SETTINGS_ADD_FILE_TOOLTIP),
01803       NWidget(NWID_VERTICAL),
01804         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_RESCAN_FILES), SetFill(1, 0), SetResize(1, 0),
01805             SetDataTip(STR_NEWGRF_SETTINGS_RESCAN_FILES, STR_NEWGRF_SETTINGS_RESCAN_FILES_TOOLTIP),
01806         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_CONTENT_DOWNLOAD), SetFill(1, 0), SetResize(1, 0),
01807             SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),
01808       EndContainer(),
01809     EndContainer(),
01810   EndContainer(),
01811 };
01812 
01813 static const NWidgetPart _nested_newgrf_infopanel_widgets[] = {
01814   /* Right side, info panel. */
01815   NWidget(NWID_VERTICAL), SetPadding(0, 0, 2, 0),
01816     NWidget(WWT_PANEL, COLOUR_MAUVE), SetPadding(0, 0, 2, 0),
01817       NWidget(WWT_EMPTY, COLOUR_MAUVE, WID_NS_NEWGRF_INFO_TITLE), SetFill(1, 0), SetResize(1, 0),
01818       NWidget(WWT_EMPTY, COLOUR_MAUVE, WID_NS_NEWGRF_INFO), SetFill(1, 1), SetResize(1, 1), SetMinimalSize(150, 100),
01819     EndContainer(),
01820     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_OPEN_URL), SetFill(1, 0), SetResize(1, 0),
01821         SetDataTip(STR_CONTENT_OPEN_URL, STR_CONTENT_OPEN_URL_TOOLTIP),
01822     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_NEWGRF_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0),
01823         SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
01824     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01825       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_NEWGRF_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0),
01826           SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
01827       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_NEWGRF_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0),
01828           SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
01829     EndContainer(),
01830   EndContainer(),
01831   NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NS_SHOW_APPLY),
01832     /* Right side, buttons. */
01833     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01834       NWidget(NWID_VERTICAL),
01835         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_SET_PARAMETERS), SetFill(1, 0), SetResize(1, 0),
01836             SetDataTip(STR_NEWGRF_SETTINGS_SET_PARAMETERS, STR_NULL),
01837         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_TOGGLE_PALETTE), SetFill(1, 0), SetResize(1, 0),
01838             SetDataTip(STR_NEWGRF_SETTINGS_TOGGLE_PALETTE, STR_NEWGRF_SETTINGS_TOGGLE_PALETTE_TOOLTIP),
01839       EndContainer(),
01840       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_APPLY_CHANGES), SetFill(1, 0), SetResize(1, 0),
01841           SetDataTip(STR_NEWGRF_SETTINGS_APPLY_CHANGES, STR_NULL),
01842     EndContainer(),
01843     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_VIEW_PARAMETERS), SetFill(1, 0), SetResize(1, 0),
01844       SetDataTip(STR_NEWGRF_SETTINGS_SHOW_PARAMETERS, STR_NULL),
01845   EndContainer(),
01846 };
01847 
01849 NWidgetBase* NewGRFDisplay(int *biggest_index)
01850 {
01851   NWidgetBase *avs = MakeNWidgets(_nested_newgrf_availables_widgets, lengthof(_nested_newgrf_availables_widgets), biggest_index, NULL);
01852 
01853   int biggest2;
01854   NWidgetBase *acs = MakeNWidgets(_nested_newgrf_actives_widgets, lengthof(_nested_newgrf_actives_widgets), &biggest2, NULL);
01855   *biggest_index = max(*biggest_index, biggest2);
01856 
01857   NWidgetBase *inf = MakeNWidgets(_nested_newgrf_infopanel_widgets, lengthof(_nested_newgrf_infopanel_widgets), &biggest2, NULL);
01858   *biggest_index = max(*biggest_index, biggest2);
01859 
01860   return new NWidgetNewGRFDisplay(avs, acs, inf);
01861 }
01862 
01863 /* Widget definition of the manage newgrfs window */
01864 static const NWidgetPart _nested_newgrf_widgets[] = {
01865   NWidget(NWID_HORIZONTAL),
01866     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
01867     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01868   EndContainer(),
01869   NWidget(WWT_PANEL, COLOUR_MAUVE),
01870     NWidgetFunction(NewGRFDisplay), SetPadding(WD_RESIZEBOX_WIDTH, WD_RESIZEBOX_WIDTH, 2, WD_RESIZEBOX_WIDTH),
01871     /* Resize button. */
01872     NWidget(NWID_HORIZONTAL),
01873       NWidget(NWID_SPACER), SetFill(1, 0), SetResize(1, 0),
01874       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
01875     EndContainer(),
01876   EndContainer(),
01877 };
01878 
01879 /* Window definition of the manage newgrfs window */
01880 static const WindowDesc _newgrf_desc(
01881   WDP_CENTER, 300, 263,
01882   WC_GAME_OPTIONS, WC_NONE,
01883   0,
01884   _nested_newgrf_widgets, lengthof(_nested_newgrf_widgets)
01885 );
01886 
01892 static void NewGRFConfirmationCallback(Window *w, bool confirmed)
01893 {
01894   if (confirmed) {
01895     DeleteWindowByClass(WC_GRF_PARAMETERS);
01896     NewGRFWindow *nw = dynamic_cast<NewGRFWindow*>(w);
01897 
01898     GamelogStartAction(GLAT_GRF);
01899     GamelogGRFUpdate(_grfconfig, nw->actives); // log GRF changes
01900     CopyGRFConfigList(nw->orig_list, nw->actives, false);
01901     ReloadNewGRFData();
01902     GamelogStopAction();
01903 
01904     /* Show new, updated list */
01905     GRFConfig *c;
01906     int i = 0;
01907     for (c = nw->actives; c != NULL && c != nw->active_sel; c = c->next, i++) {}
01908     CopyGRFConfigList(&nw->actives, *nw->orig_list, false);
01909     for (c = nw->actives; c != NULL && i > 0; c = c->next, i--) {}
01910     nw->active_sel = c;
01911     nw->avails.ForceRebuild();
01912 
01913     w->InvalidateData();
01914 
01915     ReInitAllWindows();
01916     DeleteWindowByClass(WC_BUILD_OBJECT);
01917   }
01918 }
01919 
01920 
01921 
01930 void ShowNewGRFSettings(bool editable, bool show_params, bool exec_changes, GRFConfig **config)
01931 {
01932   DeleteWindowByClass(WC_GAME_OPTIONS);
01933   new NewGRFWindow(&_newgrf_desc, editable, show_params, exec_changes, config);
01934 }
01935 
01937 static const NWidgetPart _nested_scan_progress_widgets[] = {
01938   NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_NEWGRF_SCAN_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01939   NWidget(WWT_PANEL, COLOUR_GREY),
01940     NWidget(NWID_HORIZONTAL), SetPIP(20, 0, 20),
01941       NWidget(NWID_VERTICAL), SetPIP(11, 8, 11),
01942         NWidget(WWT_LABEL, INVALID_COLOUR), SetDataTip(STR_NEWGRF_SCAN_MESSAGE, STR_NULL), SetFill(1, 0),
01943         NWidget(WWT_EMPTY, INVALID_COLOUR, WID_SP_PROGRESS_BAR), SetFill(1, 0),
01944         NWidget(WWT_EMPTY, INVALID_COLOUR, WID_SP_PROGRESS_TEXT), SetFill(1, 0),
01945       EndContainer(),
01946     EndContainer(),
01947   EndContainer(),
01948 };
01949 
01951 static const WindowDesc _scan_progress_desc(
01952   WDP_CENTER, 0, 0,
01953   WC_MODAL_PROGRESS, WC_NONE,
01954   0,
01955   _nested_scan_progress_widgets, lengthof(_nested_scan_progress_widgets)
01956 );
01957 
01959 struct ScanProgressWindow : public Window {
01960   char *last_name; 
01961   int scanned;     
01962 
01964   ScanProgressWindow() : Window(), last_name(NULL), scanned(0)
01965   {
01966     this->InitNested(&_scan_progress_desc, 1);
01967   }
01968 
01970   ~ScanProgressWindow()
01971   {
01972     free(last_name);
01973   }
01974 
01975   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01976   {
01977     switch (widget) {
01978       case WID_SP_PROGRESS_BAR: {
01979         SetDParamMaxValue(0, 100);
01980         *size = GetStringBoundingBox(STR_GENERATION_PROGRESS);
01981         /* We need some spacing for the 'border' */
01982         size->height += 8;
01983         size->width += 8;
01984         break;
01985       }
01986 
01987       case WID_SP_PROGRESS_TEXT:
01988         SetDParamMaxDigits(0, 4);
01989         SetDParamMaxDigits(1, 4);
01990         /* We really don't know the width. We could determine it by scanning the NewGRFs,
01991          * but this is the status window for scanning them... */
01992         size->width = max(400U, GetStringBoundingBox(STR_NEWGRF_SCAN_STATUS).width);
01993         size->height = FONT_HEIGHT_NORMAL * 2 + WD_PAR_VSEP_NORMAL;
01994         break;
01995     }
01996   }
01997 
01998   virtual void DrawWidget(const Rect &r, int widget) const
01999   {
02000     switch (widget) {
02001       case WID_SP_PROGRESS_BAR: {
02002         /* Draw the % complete with a bar and a text */
02003         DrawFrameRect(r.left, r.top, r.right, r.bottom, COLOUR_GREY, FR_BORDERONLY);
02004         uint percent = scanned * 100 / max(1U, _settings_client.gui.last_newgrf_count);
02005         DrawFrameRect(r.left + 1, r.top + 1, (int)((r.right - r.left - 2) * percent / 100) + r.left + 1, r.bottom - 1, COLOUR_MAUVE, FR_NONE);
02006         SetDParam(0, percent);
02007         DrawString(r.left, r.right, r.top + 5, STR_GENERATION_PROGRESS, TC_FROMSTRING, SA_HOR_CENTER);
02008         break;
02009       }
02010 
02011       case WID_SP_PROGRESS_TEXT:
02012         SetDParam(0, this->scanned);
02013         SetDParam(1, _settings_client.gui.last_newgrf_count);
02014         DrawString(r.left, r.right, r.top, STR_NEWGRF_SCAN_STATUS, TC_FROMSTRING, SA_HOR_CENTER);
02015 
02016         DrawString(r.left, r.right, r.top + FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL, this->last_name == NULL ? "" : this->last_name, TC_BLACK, SA_HOR_CENTER);
02017         break;
02018     }
02019   }
02020 
02026   void UpdateNewGRFScanStatus(uint num, const char *name)
02027   {
02028     free(this->last_name);
02029     if (name == NULL) {
02030       char buf[256];
02031       GetString(buf, STR_NEWGRF_SCAN_ARCHIVES, lastof(buf));
02032       this->last_name = strdup(buf);
02033     } else {
02034       this->last_name = strdup(name);
02035     }
02036     this->scanned = num;
02037     if (num > _settings_client.gui.last_newgrf_count) _settings_client.gui.last_newgrf_count = num;
02038 
02039     this->SetDirty();
02040   }
02041 };
02042 
02048 void UpdateNewGRFScanStatus(uint num, const char *name)
02049 {
02050   ScanProgressWindow *w  = dynamic_cast<ScanProgressWindow *>(FindWindowByClass(WC_MODAL_PROGRESS));
02051   if (w == NULL) w = new ScanProgressWindow();
02052   w->UpdateNewGRFScanStatus(num, name);
02053 }