newgrf_gui.cpp

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00001 /* $Id: newgrf_gui.cpp 26086 2013-11-24 14:46:26Z 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) ? "Legacy (W) / 32 bpp" : "Default (D) / 32 bpp");
00123     } else {
00124       SetDParamStr(0, (c->palette & GRFP_USE_WINDOWS) ? "Legacy (W)" : "Default (D)");
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(WindowDesc *desc, GRFConfig *c, bool editable) : Window(desc),
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();
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();  // 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 = 5 * 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->Append() = 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     this->vscroll->SetCapacityFromWidget(this, WID_NP_BACKGROUND);
00464   }
00465 
00471   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00472   {
00473     if (!gui_scope) return;
00474     if (!this->action14present) {
00475       this->SetWidgetDisabledState(WID_NP_NUMPAR_DEC, !this->editable || this->grf_config->num_params == 0);
00476       this->SetWidgetDisabledState(WID_NP_NUMPAR_INC, !this->editable || this->grf_config->num_params >= this->grf_config->num_valid_params);
00477     }
00478 
00479     this->vscroll->SetCount(this->action14present ? this->grf_config->num_valid_params : this->grf_config->num_params);
00480     if (this->clicked_row != UINT_MAX && this->clicked_row >= this->vscroll->GetCount()) {
00481       this->clicked_row = UINT_MAX;
00482       DeleteChildWindows(WC_QUERY_STRING);
00483     }
00484   }
00485 
00486   virtual void OnTick()
00487   {
00488     if (--this->timeout == 0) {
00489       this->clicked_button = UINT_MAX;
00490       this->SetDirty();
00491     }
00492   }
00493 };
00494 GRFParameterInfo NewGRFParametersWindow::dummy_parameter_info(0);
00495 
00496 
00497 static const NWidgetPart _nested_newgrf_parameter_widgets[] = {
00498   NWidget(NWID_HORIZONTAL),
00499     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
00500     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_PARAMETERS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00501     NWidget(WWT_DEFSIZEBOX, COLOUR_MAUVE),
00502   EndContainer(),
00503   NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NP_SHOW_NUMPAR),
00504     NWidget(WWT_PANEL, COLOUR_MAUVE), SetResize(1, 0), SetFill(1, 0), SetPIP(4, 0, 4),
00505       NWidget(NWID_HORIZONTAL), SetPIP(4, 0, 4),
00506         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_NP_NUMPAR_DEC), SetMinimalSize(12, 12), SetDataTip(AWV_DECREASE, STR_NULL),
00507         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_NP_NUMPAR_INC), SetMinimalSize(12, 12), SetDataTip(AWV_INCREASE, STR_NULL),
00508         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),
00509       EndContainer(),
00510     EndContainer(),
00511   EndContainer(),
00512   NWidget(NWID_HORIZONTAL),
00513     NWidget(WWT_MATRIX, COLOUR_MAUVE, WID_NP_BACKGROUND), SetMinimalSize(188, 182), SetResize(1, 1), SetFill(1, 0), SetMatrixDataTip(1, 0, STR_NULL), SetScrollbar(WID_NP_SCROLLBAR),
00514     NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_NP_SCROLLBAR),
00515   EndContainer(),
00516   NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NP_SHOW_DESCRIPTION),
00517     NWidget(WWT_PANEL, COLOUR_MAUVE, WID_NP_DESCRIPTION), SetResize(1, 0), SetFill(1, 0),
00518     EndContainer(),
00519   EndContainer(),
00520   NWidget(NWID_HORIZONTAL),
00521     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
00522       NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_NP_ACCEPT), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_NEWGRF_PARAMETERS_CLOSE, STR_NULL),
00523       NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_NP_RESET), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_NEWGRF_PARAMETERS_RESET, STR_NEWGRF_PARAMETERS_RESET_TOOLTIP),
00524     EndContainer(),
00525     NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
00526   EndContainer(),
00527 };
00528 
00530 static WindowDesc _newgrf_parameters_desc(
00531   WDP_CENTER, "settings_newgrf_config", 500, 208,
00532   WC_GRF_PARAMETERS, WC_NONE,
00533   0,
00534   _nested_newgrf_parameter_widgets, lengthof(_nested_newgrf_parameter_widgets)
00535 );
00536 
00537 static void OpenGRFParameterWindow(GRFConfig *c, bool editable)
00538 {
00539   DeleteWindowByClass(WC_GRF_PARAMETERS);
00540   new NewGRFParametersWindow(&_newgrf_parameters_desc, c, editable);
00541 }
00542 
00544 struct NewGRFTextfileWindow : public TextfileWindow {
00545   const GRFConfig *grf_config; 
00546 
00547   NewGRFTextfileWindow(TextfileType file_type, const GRFConfig *c) : TextfileWindow(file_type), grf_config(c)
00548   {
00549     const char *textfile = this->grf_config->GetTextfile(file_type);
00550     this->LoadTextfile(textfile, NEWGRF_DIR);
00551   }
00552 
00553   /* virtual */ void SetStringParameters(int widget) const
00554   {
00555     if (widget == WID_TF_CAPTION) {
00556       SetDParam(0, STR_CONTENT_TYPE_NEWGRF);
00557       SetDParamStr(1, this->grf_config->GetName());
00558     }
00559   }
00560 };
00561 
00562 void ShowNewGRFTextfileWindow(TextfileType file_type, const GRFConfig *c)
00563 {
00564   DeleteWindowByClass(WC_TEXTFILE);
00565   new NewGRFTextfileWindow(file_type, c);
00566 }
00567 
00568 static GRFPresetList _grf_preset_list;
00569 
00570 class DropDownListPresetItem : public DropDownListItem {
00571 public:
00572   DropDownListPresetItem(int result) : DropDownListItem(result, false) {}
00573 
00574   virtual ~DropDownListPresetItem() {}
00575 
00576   bool Selectable() const
00577   {
00578     return true;
00579   }
00580 
00581   void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const
00582   {
00583     DrawString(left + 2, right + 2, top, _grf_preset_list[this->result], sel ? TC_WHITE : TC_BLACK);
00584   }
00585 };
00586 
00587 static void NewGRFConfirmationCallback(Window *w, bool confirmed);
00588 
00592 struct NewGRFWindow : public Window, NewGRFScanCallback {
00593   typedef GUIList<const GRFConfig *, StringFilter &> GUIGRFConfigList;
00594 
00595   static const uint EDITBOX_MAX_SIZE   =  50;
00596 
00597   static Listing   last_sorting;   
00598   static Filtering last_filtering; 
00599   static GUIGRFConfigList::SortFunction   * const sorter_funcs[]; 
00600   static GUIGRFConfigList::FilterFunction * const filter_funcs[]; 
00601 
00602   GUIGRFConfigList avails;    
00603   const GRFConfig *avail_sel; 
00604   int avail_pos;              
00605   StringFilter string_filter; 
00606   QueryString filter_editbox; 
00607 
00608   GRFConfig *actives;         
00609   GRFConfig *active_sel;      
00610 
00611   GRFConfig **orig_list;      
00612   bool editable;              
00613   bool show_params;           
00614   bool execute;               
00615   int preset;                 
00616   int active_over;            
00617 
00618   Scrollbar *vscroll;
00619   Scrollbar *vscroll2;
00620 
00621   NewGRFWindow(WindowDesc *desc, bool editable, bool show_params, bool execute, GRFConfig **orig_list) : Window(desc), filter_editbox(EDITBOX_MAX_SIZE)
00622   {
00623     this->avail_sel   = NULL;
00624     this->avail_pos   = -1;
00625     this->active_sel  = NULL;
00626     this->actives     = NULL;
00627     this->orig_list   = orig_list;
00628     this->editable    = editable;
00629     this->execute     = execute;
00630     this->show_params = show_params;
00631     this->preset      = -1;
00632     this->active_over = -1;
00633 
00634     CopyGRFConfigList(&this->actives, *orig_list, false);
00635     GetGRFPresetList(&_grf_preset_list);
00636 
00637     this->CreateNestedTree();
00638     this->vscroll = this->GetScrollbar(WID_NS_SCROLLBAR);
00639     this->vscroll2 = this->GetScrollbar(WID_NS_SCROLL2BAR);
00640 
00641     this->GetWidget<NWidgetStacked>(WID_NS_SHOW_REMOVE)->SetDisplayedPlane(this->editable ? 0 : 1);
00642     this->GetWidget<NWidgetStacked>(WID_NS_SHOW_APPLY)->SetDisplayedPlane(this->editable ? 0 : this->show_params ? 1 : SZSP_HORIZONTAL);
00643     this->FinishInitNested(WN_GAME_OPTIONS_NEWGRF_STATE);
00644 
00645     this->querystrings[WID_NS_FILTER] = &this->filter_editbox;
00646     this->filter_editbox.cancel_button = QueryString::ACTION_CLEAR;
00647     if (editable) {
00648       this->SetFocusedWidget(WID_NS_FILTER);
00649     } else {
00650       this->DisableWidget(WID_NS_FILTER);
00651     }
00652 
00653     this->avails.SetListing(this->last_sorting);
00654     this->avails.SetFiltering(this->last_filtering);
00655     this->avails.SetSortFuncs(this->sorter_funcs);
00656     this->avails.SetFilterFuncs(this->filter_funcs);
00657     this->avails.ForceRebuild();
00658 
00659     this->OnInvalidateData(GOID_NEWGRF_LIST_EDITED);
00660   }
00661 
00662   ~NewGRFWindow()
00663   {
00664     DeleteWindowByClass(WC_GRF_PARAMETERS);
00665     DeleteWindowByClass(WC_TEXTFILE);
00666 
00667     if (this->editable && !this->execute) {
00668       CopyGRFConfigList(this->orig_list, this->actives, true);
00669       ResetGRFConfig(false);
00670       ReloadNewGRFData();
00671     }
00672 
00673     /* Remove the temporary copy of grf-list used in window */
00674     ClearGRFConfigList(&this->actives);
00675     _grf_preset_list.Clear();
00676   }
00677 
00678   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00679   {
00680     switch (widget) {
00681       case WID_NS_FILE_LIST:
00682       {
00683         Dimension d = maxdim(GetSpriteSize(SPR_SQUARE), GetSpriteSize(SPR_WARNING_SIGN));
00684         resize->height = max(d.height + 2U, FONT_HEIGHT_NORMAL + 2U);
00685         size->height = max(size->height, WD_FRAMERECT_TOP + 6 * resize->height + WD_FRAMERECT_BOTTOM);
00686         break;
00687       }
00688 
00689       case WID_NS_AVAIL_LIST:
00690         resize->height = max(12, FONT_HEIGHT_NORMAL + 2);
00691         size->height = max(size->height, WD_FRAMERECT_TOP + 8 * resize->height + WD_FRAMERECT_BOTTOM);
00692         break;
00693 
00694       case WID_NS_NEWGRF_INFO_TITLE: {
00695         Dimension dim = GetStringBoundingBox(STR_NEWGRF_SETTINGS_INFO_TITLE);
00696         size->height = max(size->height, dim.height + WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM);
00697         size->width  = max(size->width,  dim.width  + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT);
00698         break;
00699       }
00700 
00701       case WID_NS_NEWGRF_INFO:
00702         size->height = max(size->height, WD_FRAMERECT_TOP + 10 * FONT_HEIGHT_NORMAL + WD_FRAMERECT_BOTTOM + padding.height + 2);
00703         break;
00704 
00705       case WID_NS_PRESET_LIST: {
00706         Dimension d = GetStringBoundingBox(STR_NUM_CUSTOM);
00707         for (uint i = 0; i < _grf_preset_list.Length(); i++) {
00708           if (_grf_preset_list[i] != NULL) {
00709             SetDParamStr(0, _grf_preset_list[i]);
00710             d = maxdim(d, GetStringBoundingBox(STR_JUST_RAW_STRING));
00711           }
00712         }
00713         d.width += padding.width;
00714         *size = maxdim(d, *size);
00715         break;
00716       }
00717 
00718       case WID_NS_CONTENT_DOWNLOAD:
00719       case WID_NS_CONTENT_DOWNLOAD2: {
00720         Dimension d = GetStringBoundingBox(STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_BUTTON);
00721         *size = maxdim(d, GetStringBoundingBox(STR_INTRO_ONLINE_CONTENT));
00722         size->width  += padding.width;
00723         size->height += padding.height;
00724         break;
00725       }
00726     }
00727   }
00728 
00729   virtual void OnResize()
00730   {
00731     this->vscroll->SetCapacityFromWidget(this, WID_NS_FILE_LIST);
00732     this->vscroll2->SetCapacityFromWidget(this, WID_NS_AVAIL_LIST);
00733   }
00734 
00735   virtual void SetStringParameters(int widget) const
00736   {
00737     switch (widget) {
00738       case WID_NS_PRESET_LIST:
00739         if (this->preset == -1) {
00740           SetDParam(0, STR_NUM_CUSTOM);
00741         } else {
00742           SetDParam(0, STR_JUST_RAW_STRING);
00743           SetDParamStr(1, _grf_preset_list[this->preset]);
00744         }
00745         break;
00746     }
00747   }
00748 
00754   inline PaletteID GetPalette(const GRFConfig *c) const
00755   {
00756     PaletteID pal;
00757 
00758     /* Pick a colour */
00759     switch (c->status) {
00760       case GCS_NOT_FOUND:
00761       case GCS_DISABLED:
00762         pal = PALETTE_TO_RED;
00763         break;
00764       case GCS_ACTIVATED:
00765         pal = PALETTE_TO_GREEN;
00766         break;
00767       default:
00768         pal = PALETTE_TO_BLUE;
00769         break;
00770     }
00771 
00772     /* Do not show a "not-failure" colour when it actually failed to load */
00773     if (pal != PALETTE_TO_RED) {
00774       if (HasBit(c->flags, GCF_STATIC)) {
00775         pal = PALETTE_TO_GREY;
00776       } else if (HasBit(c->flags, GCF_COMPATIBLE)) {
00777         pal = PALETTE_TO_ORANGE;
00778       }
00779     }
00780 
00781     return pal;
00782   }
00783 
00784   virtual void DrawWidget(const Rect &r, int widget) const
00785   {
00786     switch (widget) {
00787       case WID_NS_FILE_LIST: {
00788         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK);
00789 
00790         uint step_height = this->GetWidget<NWidgetBase>(WID_NS_FILE_LIST)->resize_y;
00791         uint y = r.top + WD_FRAMERECT_TOP;
00792         Dimension square = GetSpriteSize(SPR_SQUARE);
00793         Dimension warning = GetSpriteSize(SPR_WARNING_SIGN);
00794         int square_offset_y = (step_height - square.height) / 2;
00795         int warning_offset_y = (step_height - warning.height) / 2;
00796         int offset_y = (step_height - FONT_HEIGHT_NORMAL) / 2;
00797 
00798         bool rtl = _current_text_dir == TD_RTL;
00799         uint text_left    = rtl ? r.left + WD_FRAMERECT_LEFT : r.left + square.width + 15;
00800         uint text_right   = rtl ? r.right - square.width - 15 : r.right - WD_FRAMERECT_RIGHT;
00801         uint square_left  = rtl ? r.right - square.width - 5 : r.left + 5;
00802         uint warning_left = rtl ? r.right - square.width - warning.width - 10 : r.left + square.width + 10;
00803 
00804         int i = 0;
00805         for (const GRFConfig *c = this->actives; c != NULL; c = c->next, i++) {
00806           if (this->vscroll->IsVisible(i)) {
00807             const char *text = c->GetName();
00808             bool h = (this->active_sel == c);
00809             PaletteID pal = this->GetPalette(c);
00810 
00811             if (h) {
00812               GfxFillRect(r.left + 1, y, r.right - 1, y + step_height - 1, PC_DARK_BLUE);
00813             } else if (i == this->active_over) {
00814               /* Get index of current selection. */
00815               int active_sel_pos = 0;
00816               for (GRFConfig *c = this->actives; c != NULL && c != this->active_sel; c = c->next, active_sel_pos++) {}
00817               if (active_sel_pos != this->active_over) {
00818                 uint top = this->active_over < active_sel_pos ? y + 1 : y + step_height - 2;
00819                 GfxFillRect(r.left + WD_FRAMERECT_LEFT, top - 1, r.right - WD_FRAMERECT_RIGHT, top + 1, PC_GREY);
00820               }
00821             }
00822             DrawSprite(SPR_SQUARE, pal, square_left, y + square_offset_y);
00823             if (c->error != NULL) DrawSprite(SPR_WARNING_SIGN, 0, warning_left, y + warning_offset_y);
00824             uint txtoffset = c->error == NULL ? 0 : warning.width;
00825             DrawString(text_left + (rtl ? 0 : txtoffset), text_right - (rtl ? txtoffset : 0), y + offset_y, text, h ? TC_WHITE : TC_ORANGE);
00826             y += step_height;
00827           }
00828         }
00829         if (i == this->active_over && this->vscroll->IsVisible(i)) { // Highlight is after the last GRF entry.
00830           GfxFillRect(r.left + WD_FRAMERECT_LEFT, y, r.right - WD_FRAMERECT_RIGHT, y + 2, PC_GREY);
00831         }
00832         break;
00833       }
00834 
00835       case WID_NS_AVAIL_LIST: {
00836         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, this->active_over == -2 ? PC_DARK_GREY : PC_BLACK);
00837 
00838         uint step_height = this->GetWidget<NWidgetBase>(WID_NS_AVAIL_LIST)->resize_y;
00839         int offset_y = (step_height - FONT_HEIGHT_NORMAL) / 2;
00840         uint y = r.top + WD_FRAMERECT_TOP;
00841         uint min_index = this->vscroll2->GetPosition();
00842         uint max_index = min(min_index + this->vscroll2->GetCapacity(), this->avails.Length());
00843 
00844         for (uint i = min_index; i < max_index; i++) {
00845           const GRFConfig *c = this->avails[i];
00846           bool h = (c == this->avail_sel);
00847           const char *text = c->GetName();
00848 
00849           if (h) GfxFillRect(r.left + 1, y, r.right - 1, y + step_height - 1, PC_DARK_BLUE);
00850           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y + offset_y, text, h ? TC_WHITE : TC_SILVER);
00851           y += step_height;
00852         }
00853         break;
00854       }
00855 
00856       case WID_NS_NEWGRF_INFO_TITLE:
00857         /* Create the nice grayish rectangle at the details top. */
00858         GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_DARK_BLUE);
00859         DrawString(r.left, r.right, (r.top + r.bottom - FONT_HEIGHT_NORMAL) / 2, STR_NEWGRF_SETTINGS_INFO_TITLE, TC_FROMSTRING, SA_HOR_CENTER);
00860         break;
00861 
00862       case WID_NS_NEWGRF_INFO: {
00863         const GRFConfig *selected = this->active_sel;
00864         if (selected == NULL) selected = this->avail_sel;
00865         if (selected != NULL) {
00866           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);
00867         }
00868         break;
00869       }
00870     }
00871   }
00872 
00873   virtual void OnClick(Point pt, int widget, int click_count)
00874   {
00875     if (widget >= WID_NS_NEWGRF_TEXTFILE && widget < WID_NS_NEWGRF_TEXTFILE + TFT_END) {
00876       if (this->active_sel == NULL && this->avail_sel == NULL) return;
00877 
00878       ShowNewGRFTextfileWindow((TextfileType)(widget - WID_NS_NEWGRF_TEXTFILE), this->active_sel != NULL ? this->active_sel : this->avail_sel);
00879       return;
00880     }
00881 
00882     switch (widget) {
00883       case WID_NS_PRESET_LIST: {
00884         DropDownList *list = new DropDownList();
00885 
00886         /* Add 'None' option for clearing list */
00887         *list->Append() = new DropDownListStringItem(STR_NONE, -1, false);
00888 
00889         for (uint i = 0; i < _grf_preset_list.Length(); i++) {
00890           if (_grf_preset_list[i] != NULL) {
00891             *list->Append() = new DropDownListPresetItem(i);
00892           }
00893         }
00894 
00895         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00896         ShowDropDownList(this, list, this->preset, WID_NS_PRESET_LIST);
00897         break;
00898       }
00899 
00900       case WID_NS_OPEN_URL: {
00901         const GRFConfig *c = (this->avail_sel == NULL) ? this->active_sel : this->avail_sel;
00902 
00903         extern void OpenBrowser(const char *url);
00904         OpenBrowser(c->GetURL());
00905         break;
00906       }
00907 
00908       case WID_NS_PRESET_SAVE:
00909         ShowQueryString(STR_EMPTY, STR_NEWGRF_SETTINGS_PRESET_SAVE_QUERY, 32, this, CS_ALPHANUMERAL, QSF_NONE);
00910         break;
00911 
00912       case WID_NS_PRESET_DELETE:
00913         if (this->preset == -1) return;
00914 
00915         DeleteGRFPresetFromConfig(_grf_preset_list[this->preset]);
00916         GetGRFPresetList(&_grf_preset_list);
00917         this->preset = -1;
00918         this->InvalidateData();
00919         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
00920         break;
00921 
00922       case WID_NS_MOVE_UP: { // Move GRF up
00923         if (this->active_sel == NULL || !this->editable) break;
00924 
00925         int pos = 0;
00926         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next, pos++) {
00927           GRFConfig *c = *pc;
00928           if (c->next == this->active_sel) {
00929             c->next = this->active_sel->next;
00930             this->active_sel->next = c;
00931             *pc = this->active_sel;
00932             break;
00933           }
00934         }
00935         this->vscroll->ScrollTowards(pos);
00936         this->preset = -1;
00937         this->InvalidateData();
00938         break;
00939       }
00940 
00941       case WID_NS_MOVE_DOWN: { // Move GRF down
00942         if (this->active_sel == NULL || !this->editable) break;
00943 
00944         int pos = 1; // Start at 1 as we swap the selected newgrf with the next one
00945         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next, pos++) {
00946           GRFConfig *c = *pc;
00947           if (c == this->active_sel) {
00948             *pc = c->next;
00949             c->next = c->next->next;
00950             (*pc)->next = c;
00951             break;
00952           }
00953         }
00954         this->vscroll->ScrollTowards(pos);
00955         this->preset = -1;
00956         this->InvalidateData();
00957         break;
00958       }
00959 
00960       case WID_NS_FILE_LIST: { // Select an active GRF.
00961         ResetObjectToPlace();
00962 
00963         uint i = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_NS_FILE_LIST);
00964 
00965         GRFConfig *c;
00966         for (c = this->actives; c != NULL && i > 0; c = c->next, i--) {}
00967 
00968         if (this->active_sel != c) DeleteWindowByClass(WC_GRF_PARAMETERS);
00969         this->active_sel = c;
00970         this->avail_sel = NULL;
00971         this->avail_pos = -1;
00972 
00973         this->InvalidateData();
00974         if (click_count == 1) {
00975           if (this->editable && this->active_sel != NULL) SetObjectToPlaceWnd(SPR_CURSOR_MOUSE, PAL_NONE, HT_DRAG, this);
00976           break;
00977         }
00978         /* FALL THROUGH, with double click. */
00979       }
00980 
00981       case WID_NS_REMOVE: { // Remove GRF
00982         if (this->active_sel == NULL || !this->editable) break;
00983         DeleteWindowByClass(WC_GRF_PARAMETERS);
00984 
00985         /* Choose the next GRF file to be the selected file. */
00986         GRFConfig *newsel = this->active_sel->next;
00987         for (GRFConfig **pc = &this->actives; *pc != NULL; pc = &(*pc)->next) {
00988           GRFConfig *c = *pc;
00989           /* If the new selection is empty (i.e. we're deleting the last item
00990            * in the list, pick the file just before the selected file */
00991           if (newsel == NULL && c->next == this->active_sel) newsel = c;
00992 
00993           if (c == this->active_sel) {
00994             if (newsel == c) newsel = NULL;
00995 
00996             *pc = c->next;
00997             delete c;
00998             break;
00999           }
01000         }
01001 
01002         this->active_sel = newsel;
01003         this->preset = -1;
01004         this->avail_pos = -1;
01005         this->avail_sel = NULL;
01006         this->avails.ForceRebuild();
01007         this->InvalidateData(GOID_NEWGRF_LIST_EDITED);
01008         break;
01009       }
01010 
01011       case WID_NS_AVAIL_LIST: { // Select a non-active GRF.
01012         ResetObjectToPlace();
01013 
01014         uint i = this->vscroll2->GetScrolledRowFromWidget(pt.y, this, WID_NS_AVAIL_LIST);
01015         this->active_sel = NULL;
01016         DeleteWindowByClass(WC_GRF_PARAMETERS);
01017         if (i < this->avails.Length()) {
01018           this->avail_sel = this->avails[i];
01019           this->avail_pos = i;
01020         }
01021         this->InvalidateData();
01022         if (click_count == 1) {
01023           if (this->editable && this->avail_sel != NULL && !HasBit(this->avail_sel->flags, GCF_INVALID)) SetObjectToPlaceWnd(SPR_CURSOR_MOUSE, PAL_NONE, HT_DRAG, this);
01024           break;
01025         }
01026         /* FALL THROUGH, with double click. */
01027       }
01028 
01029       case WID_NS_ADD:
01030         if (this->avail_sel == NULL || !this->editable || HasBit(this->avail_sel->flags, GCF_INVALID)) break;
01031 
01032         this->AddGRFToActive();
01033         break;
01034 
01035       case WID_NS_APPLY_CHANGES: // Apply changes made to GRF list
01036         if (!this->editable) break;
01037         if (this->execute) {
01038           ShowQuery(
01039             STR_NEWGRF_POPUP_CAUTION_CAPTION,
01040             STR_NEWGRF_CONFIRMATION_TEXT,
01041             this,
01042             NewGRFConfirmationCallback
01043           );
01044         } else {
01045           CopyGRFConfigList(this->orig_list, this->actives, true);
01046           ResetGRFConfig(false);
01047           ReloadNewGRFData();
01048         }
01049         this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
01050         break;
01051 
01052       case WID_NS_VIEW_PARAMETERS:
01053       case WID_NS_SET_PARAMETERS: { // Edit parameters
01054         if (this->active_sel == NULL || !this->show_params || this->active_sel->num_valid_params == 0) break;
01055 
01056         OpenGRFParameterWindow(this->active_sel, this->editable);
01057         break;
01058       }
01059 
01060       case WID_NS_TOGGLE_PALETTE:
01061         if (this->active_sel != NULL && this->editable) {
01062           this->active_sel->palette ^= GRFP_USE_MASK;
01063           this->SetDirty();
01064         }
01065         break;
01066 
01067       case WID_NS_CONTENT_DOWNLOAD:
01068       case WID_NS_CONTENT_DOWNLOAD2:
01069         if (!_network_available) {
01070           ShowErrorMessage(STR_NETWORK_ERROR_NOTAVAILABLE, INVALID_STRING_ID, WL_ERROR);
01071         } else {
01072 #if defined(ENABLE_NETWORK)
01073           this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
01074 
01075           ShowMissingContentWindow(this->actives);
01076 #endif
01077         }
01078         break;
01079 
01080       case WID_NS_RESCAN_FILES:
01081       case WID_NS_RESCAN_FILES2:
01082         ScanNewGRFFiles(this);
01083         break;
01084     }
01085   }
01086 
01087   virtual void OnNewGRFsScanned()
01088   {
01089     this->avail_sel = NULL;
01090     this->avail_pos = -1;
01091     this->avails.ForceRebuild();
01092     this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
01093     this->DeleteChildWindows(WC_TEXTFILE);     // Remove the view textfile window
01094   }
01095 
01096   virtual void OnDropdownSelect(int widget, int index)
01097   {
01098     if (!this->editable) return;
01099 
01100     ClearGRFConfigList(&this->actives);
01101     this->preset = index;
01102 
01103     if (index != -1) {
01104       this->actives = LoadGRFPresetFromConfig(_grf_preset_list[index]);
01105     }
01106     this->avails.ForceRebuild();
01107 
01108     ResetObjectToPlace();
01109     DeleteWindowByClass(WC_GRF_PARAMETERS);
01110     this->active_sel = NULL;
01111     this->InvalidateData(GOID_NEWGRF_PRESET_LOADED);
01112   }
01113 
01114   virtual void OnQueryTextFinished(char *str)
01115   {
01116     if (str == NULL) return;
01117 
01118     SaveGRFPresetToConfig(str, this->actives);
01119     GetGRFPresetList(&_grf_preset_list);
01120 
01121     /* Switch to this preset */
01122     for (uint i = 0; i < _grf_preset_list.Length(); i++) {
01123       if (_grf_preset_list[i] != NULL && strcmp(_grf_preset_list[i], str) == 0) {
01124         this->preset = i;
01125         break;
01126       }
01127     }
01128 
01129     this->InvalidateData();
01130   }
01131 
01137   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
01138   {
01139     if (!gui_scope) return;
01140     switch (data) {
01141       default:
01142         /* Nothing important to do */
01143         break;
01144 
01145       case GOID_NEWGRF_RESCANNED:
01146         /* Search the list for items that are now found and mark them as such. */
01147         for (GRFConfig **l = &this->actives; *l != NULL; l = &(*l)->next) {
01148           GRFConfig *c = *l;
01149           bool compatible = HasBit(c->flags, GCF_COMPATIBLE);
01150           if (c->status != GCS_NOT_FOUND && !compatible) continue;
01151 
01152           const GRFConfig *f = FindGRFConfig(c->ident.grfid, FGCM_EXACT, compatible ? c->original_md5sum : c->ident.md5sum);
01153           if (f == NULL || HasBit(f->flags, GCF_INVALID)) continue;
01154 
01155           *l = new GRFConfig(*f);
01156           (*l)->next = c->next;
01157 
01158           if (active_sel == c) active_sel = *l;
01159 
01160           delete c;
01161         }
01162 
01163         this->avails.ForceRebuild();
01164         /* FALL THROUGH */
01165       case GOID_NEWGRF_LIST_EDITED:
01166         this->preset = -1;
01167         /* FALL THROUGH */
01168       case GOID_NEWGRF_PRESET_LOADED: {
01169         /* Update scrollbars */
01170         int i = 0;
01171         for (const GRFConfig *c = this->actives; c != NULL; c = c->next, i++) {}
01172 
01173         this->vscroll->SetCount(i + 1); // Reserve empty space for drag and drop handling.
01174 
01175         if (this->avail_pos >= 0) this->vscroll2->ScrollTowards(this->avail_pos);
01176         break;
01177       }
01178     }
01179 
01180     this->BuildAvailables();
01181 
01182     this->SetWidgetsDisabledState(!this->editable,
01183       WID_NS_PRESET_LIST,
01184       WID_NS_APPLY_CHANGES,
01185       WID_NS_TOGGLE_PALETTE,
01186       WIDGET_LIST_END
01187     );
01188     this->SetWidgetDisabledState(WID_NS_ADD, !this->editable || this->avail_sel == NULL || HasBit(this->avail_sel->flags, GCF_INVALID));
01189 
01190     bool disable_all = this->active_sel == NULL || !this->editable;
01191     this->SetWidgetsDisabledState(disable_all,
01192       WID_NS_REMOVE,
01193       WID_NS_MOVE_UP,
01194       WID_NS_MOVE_DOWN,
01195       WIDGET_LIST_END
01196     );
01197 
01198     const GRFConfig *c = (this->avail_sel == NULL) ? this->active_sel : this->avail_sel;
01199     for (TextfileType tft = TFT_BEGIN; tft < TFT_END; tft++) {
01200       this->SetWidgetDisabledState(WID_NS_NEWGRF_TEXTFILE + tft, c == NULL || c->GetTextfile(tft) == NULL);
01201     }
01202     this->SetWidgetDisabledState(WID_NS_OPEN_URL, c == NULL || StrEmpty(c->GetURL()));
01203 
01204     this->SetWidgetDisabledState(WID_NS_SET_PARAMETERS, !this->show_params || this->active_sel == NULL || this->active_sel->num_valid_params == 0);
01205     this->SetWidgetDisabledState(WID_NS_VIEW_PARAMETERS, !this->show_params || this->active_sel == NULL || this->active_sel->num_valid_params == 0);
01206     this->SetWidgetDisabledState(WID_NS_TOGGLE_PALETTE, disable_all ||
01207         (!(_settings_client.gui.newgrf_developer_tools || _settings_client.gui.scenario_developer) && ((c->palette & GRFP_GRF_MASK) != GRFP_GRF_UNSET)));
01208 
01209     if (!disable_all) {
01210       /* All widgets are now enabled, so disable widgets we can't use */
01211       if (this->active_sel == this->actives)    this->DisableWidget(WID_NS_MOVE_UP);
01212       if (this->active_sel->next == NULL)       this->DisableWidget(WID_NS_MOVE_DOWN);
01213       if (this->active_sel->IsOpenTTDBaseGRF()) this->DisableWidget(WID_NS_REMOVE);
01214     }
01215 
01216     this->SetWidgetDisabledState(WID_NS_PRESET_DELETE, this->preset == -1);
01217 
01218     bool has_missing = false;
01219     bool has_compatible = false;
01220     for (const GRFConfig *c = this->actives; !has_missing && c != NULL; c = c->next) {
01221       has_missing    |= c->status == GCS_NOT_FOUND;
01222       has_compatible |= HasBit(c->flags, GCF_COMPATIBLE);
01223     }
01224     uint32 widget_data;
01225     StringID tool_tip;
01226     if (has_missing || has_compatible) {
01227       widget_data = STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_BUTTON;
01228       tool_tip    = STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_TOOLTIP;
01229     } else {
01230       widget_data = STR_INTRO_ONLINE_CONTENT;
01231       tool_tip    = STR_INTRO_TOOLTIP_ONLINE_CONTENT;
01232     }
01233     this->GetWidget<NWidgetCore>(WID_NS_CONTENT_DOWNLOAD)->widget_data  = widget_data;
01234     this->GetWidget<NWidgetCore>(WID_NS_CONTENT_DOWNLOAD)->tool_tip     = tool_tip;
01235     this->GetWidget<NWidgetCore>(WID_NS_CONTENT_DOWNLOAD2)->widget_data = widget_data;
01236     this->GetWidget<NWidgetCore>(WID_NS_CONTENT_DOWNLOAD2)->tool_tip    = tool_tip;
01237 
01238     this->SetWidgetDisabledState(WID_NS_PRESET_SAVE, has_missing);
01239   }
01240 
01241   virtual EventState OnKeyPress(WChar key, uint16 keycode)
01242   {
01243     if (!this->editable) return ES_NOT_HANDLED;
01244 
01245     switch (keycode) {
01246       case WKC_UP:
01247         /* scroll up by one */
01248         if (this->avail_pos > 0) this->avail_pos--;
01249         break;
01250 
01251       case WKC_DOWN:
01252         /* scroll down by one */
01253         if (this->avail_pos < (int)this->avails.Length() - 1) this->avail_pos++;
01254         break;
01255 
01256       case WKC_PAGEUP:
01257         /* scroll up a page */
01258         this->avail_pos = (this->avail_pos < this->vscroll2->GetCapacity()) ? 0 : this->avail_pos - this->vscroll2->GetCapacity();
01259         break;
01260 
01261       case WKC_PAGEDOWN:
01262         /* scroll down a page */
01263         this->avail_pos = min(this->avail_pos + this->vscroll2->GetCapacity(), (int)this->avails.Length() - 1);
01264         break;
01265 
01266       case WKC_HOME:
01267         /* jump to beginning */
01268         this->avail_pos = 0;
01269         break;
01270 
01271       case WKC_END:
01272         /* jump to end */
01273         this->avail_pos = this->avails.Length() - 1;
01274         break;
01275 
01276       default:
01277         return ES_NOT_HANDLED;
01278     }
01279 
01280     if (this->avails.Length() == 0) this->avail_pos = -1;
01281     if (this->avail_pos >= 0) {
01282       this->avail_sel = this->avails[this->avail_pos];
01283       this->vscroll2->ScrollTowards(this->avail_pos);
01284       this->InvalidateData(0);
01285     }
01286 
01287     return ES_HANDLED;
01288   }
01289 
01290   virtual void OnEditboxChanged(int wid)
01291   {
01292     if (!this->editable) return;
01293 
01294     string_filter.SetFilterTerm(this->filter_editbox.text.buf);
01295     this->avails.SetFilterState(!string_filter.IsEmpty());
01296     this->avails.ForceRebuild();
01297     this->InvalidateData(0);
01298   }
01299 
01300   virtual void OnDragDrop(Point pt, int widget)
01301   {
01302     if (!this->editable) return;
01303 
01304     if (widget == WID_NS_FILE_LIST) {
01305       if (this->active_sel != NULL) {
01306         /* Get pointer to the selected file in the active list. */
01307         int from_pos = 0;
01308         GRFConfig **from_prev;
01309         for (from_prev = &this->actives; *from_prev != this->active_sel; from_prev = &(*from_prev)->next, from_pos++) {}
01310 
01311         /* Gets the drag-and-drop destination offset. Ignore the last dummy line. */
01312         int to_pos = min(this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_NS_FILE_LIST), this->vscroll->GetCount() - 2);
01313         if (to_pos != from_pos) { // Don't move NewGRF file over itself.
01314           /* Get pointer to destination position. */
01315           GRFConfig **to_prev = &this->actives;
01316           for (int i = from_pos < to_pos ? -1 : 0; *to_prev != NULL && i < to_pos; to_prev = &(*to_prev)->next, i++) {}
01317 
01318           /* Detach NewGRF file from its original position. */
01319           *from_prev = this->active_sel->next;
01320 
01321           /* Attach NewGRF file to its new position. */
01322           this->active_sel->next = *to_prev;
01323           *to_prev = this->active_sel;
01324 
01325           this->vscroll->ScrollTowards(to_pos);
01326           this->preset = -1;
01327           this->InvalidateData();
01328         }
01329       } else if (this->avail_sel != NULL) {
01330         int to_pos = min(this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_NS_FILE_LIST), this->vscroll->GetCount() - 1);
01331         this->AddGRFToActive(to_pos);
01332       }
01333     } else if (widget == WID_NS_AVAIL_LIST && this->active_sel != NULL) {
01334       /* Remove active NewGRF file by dragging it over available list. */
01335       Point dummy = {-1, -1};
01336       this->OnClick(dummy, WID_NS_REMOVE, 1);
01337     }
01338 
01339     ResetObjectToPlace();
01340 
01341     if (this->active_over != -1) {
01342       /* End of drag-and-drop, hide dragged destination highlight. */
01343       this->SetWidgetDirty(this->active_over == -2 ? WID_NS_AVAIL_LIST : WID_NS_FILE_LIST);
01344       this->active_over = -1;
01345     }
01346   }
01347 
01348   virtual void OnMouseDrag(Point pt, int widget)
01349   {
01350     if (!this->editable) return;
01351 
01352     if (widget == WID_NS_FILE_LIST && (this->active_sel != NULL || this->avail_sel != NULL)) {
01353       /* An NewGRF file is dragged over the active list. */
01354       int to_pos = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_NS_FILE_LIST);
01355       /* Skip the last dummy line if the source is from the active list. */
01356       to_pos = min(to_pos, this->vscroll->GetCount() - (this->active_sel != NULL ? 2 : 1));
01357 
01358       if (to_pos != this->active_over) {
01359         this->active_over = to_pos;
01360         this->SetWidgetDirty(WID_NS_FILE_LIST);
01361       }
01362     } else if (widget == WID_NS_AVAIL_LIST && this->active_sel != NULL) {
01363       this->active_over = -2;
01364       this->SetWidgetDirty(WID_NS_AVAIL_LIST);
01365     } else if (this->active_over != -1) {
01366       this->SetWidgetDirty(this->active_over == -2 ? WID_NS_AVAIL_LIST : WID_NS_FILE_LIST);
01367       this->active_over = -1;
01368     }
01369   }
01370 
01371 private:
01373   static int CDECL NameSorter(const GRFConfig * const *a, const GRFConfig * const *b)
01374   {
01375     int i = strnatcmp((*a)->GetName(), (*b)->GetName(), true); // Sort by name (natural sorting).
01376     if (i != 0) return i;
01377 
01378     i = (*a)->version - (*b)->version;
01379     if (i != 0) return i;
01380 
01381     return memcmp((*a)->ident.md5sum, (*b)->ident.md5sum, lengthof((*b)->ident.md5sum));
01382   }
01383 
01385   static bool CDECL TagNameFilter(const GRFConfig * const *a, StringFilter &filter)
01386   {
01387     filter.ResetState();
01388     filter.AddLine((*a)->GetName());
01389     filter.AddLine((*a)->filename);
01390     filter.AddLine((*a)->GetDescription());
01391     return filter.GetState();;
01392   }
01393 
01394   void BuildAvailables()
01395   {
01396     if (!this->avails.NeedRebuild()) return;
01397 
01398     this->avails.Clear();
01399 
01400     for (const GRFConfig *c = _all_grfs; c != NULL; c = c->next) {
01401       bool found = false;
01402       for (const GRFConfig *grf = this->actives; grf != NULL && !found; grf = grf->next) found = grf->ident.HasGrfIdentifier(c->ident.grfid, c->ident.md5sum);
01403       if (found) continue;
01404 
01405       if (_settings_client.gui.newgrf_show_old_versions) {
01406         *this->avails.Append() = c;
01407       } else {
01408         const GRFConfig *best = FindGRFConfig(c->ident.grfid, HasBit(c->flags, GCF_INVALID) ? FGCM_NEWEST : FGCM_NEWEST_VALID);
01409         /*
01410          * If the best version is 0, then all NewGRF with this GRF ID
01411          * have version 0, so for backward compatibility reasons we
01412          * want to show them all.
01413          * If we are the best version, then we definitely want to
01414          * show that NewGRF!.
01415          */
01416         if (best->version == 0 || best->ident.HasGrfIdentifier(c->ident.grfid, c->ident.md5sum)) {
01417           *this->avails.Append() = c;
01418         }
01419       }
01420     }
01421 
01422     this->avails.Filter(this->string_filter);
01423     this->avails.Compact();
01424     this->avails.RebuildDone();
01425     this->avails.Sort();
01426 
01427     if (this->avail_sel != NULL) {
01428       this->avail_pos = this->avails.FindIndex(this->avail_sel);
01429       if (this->avail_pos < 0) this->avail_sel = NULL;
01430     }
01431 
01432     this->vscroll2->SetCount(this->avails.Length()); // Update the scrollbar
01433   }
01434 
01440   bool AddGRFToActive(int ins_pos = -1)
01441   {
01442     if (this->avail_sel == NULL || !this->editable || HasBit(this->avail_sel->flags, GCF_INVALID)) return false;
01443 
01444     int count = 0;
01445     GRFConfig **entry = NULL;
01446     GRFConfig **list;
01447     /* Find last entry in the list, checking for duplicate grfid on the way */
01448     for (list = &this->actives; *list != NULL; list = &(*list)->next, ins_pos--) {
01449       if (ins_pos == 0) entry = list; // Insert position? Save.
01450       if ((*list)->ident.grfid == this->avail_sel->ident.grfid) {
01451         ShowErrorMessage(STR_NEWGRF_DUPLICATE_GRFID, INVALID_STRING_ID, WL_INFO);
01452         return false;
01453       }
01454       count++;
01455     }
01456     if (entry == NULL) entry = list;
01457     if (count >= MAX_NEWGRFS) {
01458       ShowErrorMessage(STR_NEWGRF_TOO_MANY_NEWGRFS, INVALID_STRING_ID, WL_INFO);
01459       return false;
01460     }
01461 
01462     GRFConfig *c = new GRFConfig(*this->avail_sel); // Copy GRF details from scanned list.
01463     c->SetParameterDefaults();
01464 
01465     /* Insert GRF config to configuration list. */
01466     c->next = *entry;
01467     *entry = c;
01468 
01469     /* Select next (or previous, if last one) item in the list. */
01470     int new_pos = this->avail_pos + 1;
01471     if (new_pos >= (int)this->avails.Length()) new_pos = this->avail_pos - 1;
01472     this->avail_pos = new_pos;
01473     if (new_pos >= 0) this->avail_sel = this->avails[new_pos];
01474 
01475     this->avails.ForceRebuild();
01476     this->InvalidateData(GOID_NEWGRF_LIST_EDITED);
01477     return true;
01478   }
01479 };
01480 
01481 #if defined(ENABLE_NETWORK)
01482 
01486 void ShowMissingContentWindow(const GRFConfig *list)
01487 {
01488   /* Only show the things in the current list, or everything when nothing's selected */
01489   ContentVector cv;
01490   for (const GRFConfig *c = list; c != NULL; c = c->next) {
01491     if (c->status != GCS_NOT_FOUND && !HasBit(c->flags, GCF_COMPATIBLE)) continue;
01492 
01493     ContentInfo *ci = new ContentInfo();
01494     ci->type = CONTENT_TYPE_NEWGRF;
01495     ci->state = ContentInfo::DOES_NOT_EXIST;
01496     ttd_strlcpy(ci->name, c->GetName(), lengthof(ci->name));
01497     ci->unique_id = BSWAP32(c->ident.grfid);
01498     memcpy(ci->md5sum, HasBit(c->flags, GCF_COMPATIBLE) ? c->original_md5sum : c->ident.md5sum, sizeof(ci->md5sum));
01499     *cv.Append() = ci;
01500   }
01501   ShowNetworkContentListWindow(cv.Length() == 0 ? NULL : &cv, CONTENT_TYPE_NEWGRF);
01502 }
01503 #endif
01504 
01505 Listing NewGRFWindow::last_sorting     = {false, 0};
01506 Filtering NewGRFWindow::last_filtering = {false, 0};
01507 
01508 NewGRFWindow::GUIGRFConfigList::SortFunction * const NewGRFWindow::sorter_funcs[] = {
01509   &NameSorter,
01510 };
01511 
01512 NewGRFWindow::GUIGRFConfigList::FilterFunction * const NewGRFWindow::filter_funcs[] = {
01513   &TagNameFilter,
01514 };
01515 
01522 class NWidgetNewGRFDisplay : public NWidgetContainer {
01523 public:
01524   static const uint INTER_LIST_SPACING;      
01525   static const uint INTER_COLUMN_SPACING;    
01526   static const uint MAX_EXTRA_INFO_WIDTH;    
01527   static const uint MIN_EXTRA_FOR_3_COLUMNS; 
01528 
01529   NWidgetBase *avs; 
01530   NWidgetBase *acs; 
01531   NWidgetBase *inf; 
01532   bool editable;    
01533 
01534   NWidgetNewGRFDisplay(NWidgetBase *avs, NWidgetBase *acs, NWidgetBase *inf) : NWidgetContainer(NWID_HORIZONTAL)
01535   {
01536     this->avs = avs;
01537     this->acs = acs;
01538     this->inf = inf;
01539 
01540     this->Add(this->avs);
01541     this->Add(this->acs);
01542     this->Add(this->inf);
01543 
01544     this->editable = true; // Temporary setting, 'real' value is set in SetupSmallestSize().
01545   }
01546 
01547   virtual void SetupSmallestSize(Window *w, bool init_array)
01548   {
01549     /* Copy state flag from the window. */
01550     assert(dynamic_cast<NewGRFWindow *>(w) != NULL);
01551     NewGRFWindow *ngw = (NewGRFWindow *)w;
01552     this->editable = ngw->editable;
01553 
01554     this->avs->SetupSmallestSize(w, init_array);
01555     this->acs->SetupSmallestSize(w, init_array);
01556     this->inf->SetupSmallestSize(w, init_array);
01557 
01558     uint min_avs_width = this->avs->smallest_x + this->avs->padding_left + this->avs->padding_right;
01559     uint min_acs_width = this->acs->smallest_x + this->acs->padding_left + this->acs->padding_right;
01560     uint min_inf_width = this->inf->smallest_x + this->inf->padding_left + this->inf->padding_right;
01561 
01562     uint min_avs_height = this->avs->smallest_y + this->avs->padding_top + this->avs->padding_bottom;
01563     uint min_acs_height = this->acs->smallest_y + this->acs->padding_top + this->acs->padding_bottom;
01564     uint min_inf_height = this->inf->smallest_y + this->inf->padding_top + this->inf->padding_bottom;
01565 
01566     /* Smallest window is in two column mode. */
01567     this->smallest_x = max(min_avs_width, min_acs_width) + INTER_COLUMN_SPACING + min_inf_width;
01568     this->smallest_y = max(min_inf_height, min_acs_height + INTER_LIST_SPACING + min_avs_height);
01569 
01570     /* Filling. */
01571     this->fill_x = LeastCommonMultiple(this->avs->fill_x, this->acs->fill_x);
01572     if (this->inf->fill_x > 0 && (this->fill_x == 0 || this->fill_x > this->inf->fill_x)) this->fill_x = this->inf->fill_x;
01573 
01574     this->fill_y = this->avs->fill_y;
01575     if (this->acs->fill_y > 0 && (this->fill_y == 0 || this->fill_y > this->acs->fill_y)) this->fill_y = this->acs->fill_y;
01576     this->fill_y = LeastCommonMultiple(this->fill_y, this->inf->fill_y);
01577 
01578     /* Resizing. */
01579     this->resize_x = LeastCommonMultiple(this->avs->resize_x, this->acs->resize_x);
01580     if (this->inf->resize_x > 0 && (this->resize_x == 0 || this->resize_x > this->inf->resize_x)) this->resize_x = this->inf->resize_x;
01581 
01582     this->resize_y = this->avs->resize_y;
01583     if (this->acs->resize_y > 0 && (this->resize_y == 0 || this->resize_y > this->acs->resize_y)) this->resize_y = this->acs->resize_y;
01584     this->resize_y = LeastCommonMultiple(this->resize_y, this->inf->resize_y);
01585 
01586     /* Make sure the height suits the 3 column (resp. not-editable) format; the 2 column format can easily fill space between the lists */
01587     this->smallest_y = ComputeMaxSize(min_acs_height, this->smallest_y + this->resize_y - 1, this->resize_y);
01588   }
01589 
01590   virtual void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
01591   {
01592     this->StoreSizePosition(sizing, x, y, given_width, given_height);
01593 
01594     uint min_avs_width = this->avs->smallest_x + this->avs->padding_left + this->avs->padding_right;
01595     uint min_acs_width = this->acs->smallest_x + this->acs->padding_left + this->acs->padding_right;
01596     uint min_inf_width = this->inf->smallest_x + this->inf->padding_left + this->inf->padding_right;
01597 
01598     uint min_list_width = max(min_avs_width, min_acs_width); // Smallest width of the lists such that they have equal width (incl padding).
01599     uint avs_extra_width = min_list_width - min_avs_width;   // Additional width needed for avs to reach min_list_width.
01600     uint acs_extra_width = min_list_width - min_acs_width;   // Additional width needed for acs to reach min_list_width.
01601 
01602     /* Use 2 or 3 columns? */
01603     uint min_three_columns = min_avs_width + min_acs_width + min_inf_width + 2 * INTER_COLUMN_SPACING;
01604     uint min_two_columns   = min_list_width + min_inf_width + INTER_COLUMN_SPACING;
01605     bool use_three_columns = this->editable && (min_three_columns + MIN_EXTRA_FOR_3_COLUMNS <= given_width);
01606 
01607     /* Info panel is a separate column in both modes. Compute its width first. */
01608     uint extra_width, inf_width;
01609     if (use_three_columns) {
01610       extra_width = given_width - min_three_columns;
01611       inf_width = min(MAX_EXTRA_INFO_WIDTH, extra_width / 2);
01612     } else {
01613       extra_width = given_width - min_two_columns;
01614       inf_width = min(MAX_EXTRA_INFO_WIDTH, extra_width / 2);
01615     }
01616     inf_width = ComputeMaxSize(this->inf->smallest_x, this->inf->smallest_x + inf_width, this->inf->GetHorizontalStepSize(sizing));
01617     extra_width -= inf_width - this->inf->smallest_x;
01618 
01619     uint inf_height = ComputeMaxSize(this->inf->smallest_y, given_height, this->inf->GetVerticalStepSize(sizing));
01620 
01621     if (use_three_columns) {
01622       /* Three column display, first make both lists equally wide, then divide whatever is left between both lists.
01623        * Only keep track of what avs gets, all other space goes to acs. */
01624       uint avs_width = min(avs_extra_width, extra_width);
01625       extra_width -= avs_width;
01626       extra_width -= min(acs_extra_width, extra_width);
01627       avs_width += extra_width / 2;
01628 
01629       avs_width = ComputeMaxSize(this->avs->smallest_x, this->avs->smallest_x + avs_width, this->avs->GetHorizontalStepSize(sizing));
01630 
01631       uint acs_width = given_width - // Remaining space, including horizontal padding.
01632           inf_width - this->inf->padding_left - this->inf->padding_right -
01633           avs_width - this->avs->padding_left - this->avs->padding_right - 2 * INTER_COLUMN_SPACING;
01634       acs_width = ComputeMaxSize(min_acs_width, acs_width, this->acs->GetHorizontalStepSize(sizing)) -
01635           this->acs->padding_left - this->acs->padding_right;
01636 
01637       /* Never use fill_y on these; the minimal size is chosen, so that the 3 column view looks nice */
01638       uint avs_height = ComputeMaxSize(this->avs->smallest_y, given_height, this->avs->resize_y);
01639       uint acs_height = ComputeMaxSize(this->acs->smallest_y, given_height, this->acs->resize_y);
01640 
01641       /* Assign size and position to the children. */
01642       if (rtl) {
01643         x += this->inf->padding_left;
01644         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01645         x += inf_width + this->inf->padding_right + INTER_COLUMN_SPACING;
01646       } else {
01647         x += this->avs->padding_left;
01648         this->avs->AssignSizePosition(sizing, x, y + this->avs->padding_top, avs_width, avs_height, rtl);
01649         x += avs_width + this->avs->padding_right + INTER_COLUMN_SPACING;
01650       }
01651 
01652       x += this->acs->padding_left;
01653       this->acs->AssignSizePosition(sizing, x, y + this->acs->padding_top, acs_width, acs_height, rtl);
01654       x += acs_width + this->acs->padding_right + INTER_COLUMN_SPACING;
01655 
01656       if (rtl) {
01657         x += this->avs->padding_left;
01658         this->avs->AssignSizePosition(sizing, x, y + this->avs->padding_top, avs_width, avs_height, rtl);
01659       } else {
01660         x += this->inf->padding_left;
01661         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01662       }
01663     } else {
01664       /* Two columns, all space in extra_width goes to both lists. Since the lists are underneath each other,
01665        * the column is min_list_width wide at least. */
01666       uint avs_width = ComputeMaxSize(this->avs->smallest_x, this->avs->smallest_x + avs_extra_width + extra_width,
01667           this->avs->GetHorizontalStepSize(sizing));
01668       uint acs_width = ComputeMaxSize(this->acs->smallest_x, this->acs->smallest_x + acs_extra_width + extra_width,
01669           this->acs->GetHorizontalStepSize(sizing));
01670 
01671       uint min_avs_height = (!this->editable) ? 0 : this->avs->smallest_y + this->avs->padding_top + this->avs->padding_bottom + INTER_LIST_SPACING;
01672       uint min_acs_height = this->acs->smallest_y + this->acs->padding_top + this->acs->padding_bottom;
01673       uint extra_height = given_height - min_acs_height - min_avs_height;
01674 
01675       /* Never use fill_y on these; instead use the INTER_LIST_SPACING as filler */
01676       uint avs_height = ComputeMaxSize(this->avs->smallest_y, this->avs->smallest_y + extra_height / 2, this->avs->resize_y);
01677       if (this->editable) extra_height -= avs_height - this->avs->smallest_y;
01678       uint acs_height = ComputeMaxSize(this->acs->smallest_y, this->acs->smallest_y + extra_height, this->acs->resize_y);
01679 
01680       /* Assign size and position to the children. */
01681       if (rtl) {
01682         x += this->inf->padding_left;
01683         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01684         x += inf_width + this->inf->padding_right + INTER_COLUMN_SPACING;
01685 
01686         this->acs->AssignSizePosition(sizing, x + this->acs->padding_left, y + this->acs->padding_top, acs_width, acs_height, rtl);
01687         if (this->editable) {
01688           this->avs->AssignSizePosition(sizing, x + this->avs->padding_left, y + given_height - avs_height - this->avs->padding_bottom, avs_width, avs_height, rtl);
01689         } else {
01690           this->avs->AssignSizePosition(sizing, 0, 0, this->avs->smallest_x, this->avs->smallest_y, rtl);
01691         }
01692       } else {
01693         this->acs->AssignSizePosition(sizing, x + this->acs->padding_left, y + this->acs->padding_top, acs_width, acs_height, rtl);
01694         if (this->editable) {
01695           this->avs->AssignSizePosition(sizing, x + this->avs->padding_left, y + given_height - avs_height - this->avs->padding_bottom, avs_width, avs_height, rtl);
01696         } else {
01697           this->avs->AssignSizePosition(sizing, 0, 0, this->avs->smallest_x, this->avs->smallest_y, rtl);
01698         }
01699         uint dx = this->acs->current_x + this->acs->padding_left + this->acs->padding_right;
01700         if (this->editable) {
01701           dx = max(dx, this->avs->current_x + this->avs->padding_left + this->avs->padding_right);
01702         }
01703         x += dx + INTER_COLUMN_SPACING + this->inf->padding_left;
01704         this->inf->AssignSizePosition(sizing, x, y + this->inf->padding_top, inf_width, inf_height, rtl);
01705       }
01706     }
01707   }
01708 
01709   virtual NWidgetCore *GetWidgetFromPos(int x, int y)
01710   {
01711     if (!IsInsideBS(x, this->pos_x, this->current_x) || !IsInsideBS(y, this->pos_y, this->current_y)) return NULL;
01712 
01713     NWidgetCore *nw = (this->editable) ? this->avs->GetWidgetFromPos(x, y) : NULL;
01714     if (nw == NULL) nw = this->acs->GetWidgetFromPos(x, y);
01715     if (nw == NULL) nw = this->inf->GetWidgetFromPos(x, y);
01716     return nw;
01717   }
01718 
01719   virtual void Draw(const Window *w)
01720   {
01721     if (this->editable) this->avs->Draw(w);
01722     this->acs->Draw(w);
01723     this->inf->Draw(w);
01724   }
01725 };
01726 
01727 const uint NWidgetNewGRFDisplay::INTER_LIST_SPACING      = WD_RESIZEBOX_WIDTH + 1;
01728 const uint NWidgetNewGRFDisplay::INTER_COLUMN_SPACING    = WD_RESIZEBOX_WIDTH;
01729 const uint NWidgetNewGRFDisplay::MAX_EXTRA_INFO_WIDTH    = 150;
01730 const uint NWidgetNewGRFDisplay::MIN_EXTRA_FOR_3_COLUMNS = 50;
01731 
01732 static const NWidgetPart _nested_newgrf_actives_widgets[] = {
01733   /* Left side, presets. */
01734   NWidget(NWID_HORIZONTAL),
01735     NWidget(WWT_TEXT, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_SELECT_PRESET, STR_NULL),
01736         SetPadding(0, WD_FRAMETEXT_RIGHT, 0, 0),
01737     NWidget(WWT_DROPDOWN, COLOUR_YELLOW, WID_NS_PRESET_LIST), SetFill(1, 0), SetResize(1, 0),
01738         SetDataTip(STR_JUST_STRING, STR_NEWGRF_SETTINGS_PRESET_LIST_TOOLTIP),
01739   EndContainer(),
01740   NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01741     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_PRESET_SAVE), SetFill(1, 0), SetResize(1, 0),
01742         SetDataTip(STR_NEWGRF_SETTINGS_PRESET_SAVE, STR_NEWGRF_SETTINGS_PRESET_SAVE_TOOLTIP),
01743     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_PRESET_DELETE), SetFill(1, 0), SetResize(1, 0),
01744         SetDataTip(STR_NEWGRF_SETTINGS_PRESET_DELETE, STR_NEWGRF_SETTINGS_PRESET_DELETE_TOOLTIP),
01745   EndContainer(),
01746 
01747   NWidget(NWID_SPACER), SetMinimalSize(0, WD_RESIZEBOX_WIDTH), SetResize(1, 0), SetFill(1, 0),
01748   NWidget(WWT_PANEL, COLOUR_MAUVE),
01749     NWidget(WWT_LABEL, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_ACTIVE_LIST, STR_NULL),
01750         SetFill(1, 0), SetResize(1, 0), SetPadding(3, WD_FRAMETEXT_RIGHT, 0, WD_FRAMETEXT_LEFT),
01751     /* Left side, active grfs. */
01752     NWidget(NWID_HORIZONTAL), SetPadding(0, 2, 0, 2),
01753       NWidget(WWT_PANEL, COLOUR_MAUVE),
01754         NWidget(WWT_INSET, COLOUR_MAUVE, WID_NS_FILE_LIST), SetMinimalSize(100, 1), SetPadding(2, 2, 2, 2),
01755             SetFill(1, 1), SetResize(1, 1), SetScrollbar(WID_NS_SCROLLBAR), SetDataTip(STR_NULL, STR_NEWGRF_SETTINGS_FILE_TOOLTIP),
01756         EndContainer(),
01757       EndContainer(),
01758       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_NS_SCROLLBAR),
01759     EndContainer(),
01760     /* Buttons. */
01761     NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NS_SHOW_REMOVE),
01762       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01763         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_REMOVE), SetFill(1, 0), SetResize(1, 0),
01764             SetDataTip(STR_NEWGRF_SETTINGS_REMOVE, STR_NEWGRF_SETTINGS_REMOVE_TOOLTIP),
01765         NWidget(NWID_VERTICAL),
01766           NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_MOVE_UP), SetFill(1, 0), SetResize(1, 0),
01767               SetDataTip(STR_NEWGRF_SETTINGS_MOVEUP, STR_NEWGRF_SETTINGS_MOVEUP_TOOLTIP),
01768           NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_MOVE_DOWN), SetFill(1, 0), SetResize(1, 0),
01769               SetDataTip(STR_NEWGRF_SETTINGS_MOVEDOWN, STR_NEWGRF_SETTINGS_MOVEDOWN_TOOLTIP),
01770         EndContainer(),
01771       EndContainer(),
01772 
01773       NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2),
01774         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_RESCAN_FILES2), SetFill(1, 0), SetResize(1, 0),
01775             SetDataTip(STR_NEWGRF_SETTINGS_RESCAN_FILES, STR_NEWGRF_SETTINGS_RESCAN_FILES_TOOLTIP),
01776         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_CONTENT_DOWNLOAD2), SetFill(1, 0), SetResize(1, 0),
01777             SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),
01778       EndContainer(),
01779     EndContainer(),
01780   EndContainer(),
01781 };
01782 
01783 static const NWidgetPart _nested_newgrf_availables_widgets[] = {
01784   NWidget(WWT_PANEL, COLOUR_MAUVE),
01785     NWidget(WWT_LABEL, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_INACTIVE_LIST, STR_NULL),
01786         SetFill(1, 0), SetResize(1, 0), SetPadding(3, WD_FRAMETEXT_RIGHT, 0, WD_FRAMETEXT_LEFT),
01787     /* Left side, available grfs, filter edit box. */
01788     NWidget(NWID_HORIZONTAL), SetPadding(WD_TEXTPANEL_TOP, 0, WD_TEXTPANEL_BOTTOM, 0),
01789         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
01790       NWidget(WWT_TEXT, COLOUR_MAUVE), SetFill(0, 1), SetDataTip(STR_NEWGRF_FILTER_TITLE, STR_NULL),
01791       NWidget(WWT_EDITBOX, COLOUR_MAUVE, WID_NS_FILTER), SetFill(1, 0), SetMinimalSize(50, 12), SetResize(1, 0),
01792           SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
01793     EndContainer(),
01794     /* Left side, available grfs. */
01795     NWidget(NWID_HORIZONTAL), SetPadding(0, 2, 0, 2),
01796       NWidget(WWT_PANEL, COLOUR_MAUVE),
01797         NWidget(WWT_INSET, COLOUR_MAUVE, WID_NS_AVAIL_LIST), SetMinimalSize(100, 1), SetPadding(2, 2, 2, 2),
01798             SetFill(1, 1), SetResize(1, 1), SetScrollbar(WID_NS_SCROLL2BAR),
01799         EndContainer(),
01800       EndContainer(),
01801       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_NS_SCROLL2BAR),
01802     EndContainer(),
01803     /* Left side, available grfs, buttons. */
01804     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPadding(2, 2, 2, 2), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01805       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_ADD), SetFill(1, 0), SetResize(1, 0),
01806           SetDataTip(STR_NEWGRF_SETTINGS_ADD, STR_NEWGRF_SETTINGS_ADD_FILE_TOOLTIP),
01807       NWidget(NWID_VERTICAL),
01808         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_RESCAN_FILES), SetFill(1, 0), SetResize(1, 0),
01809             SetDataTip(STR_NEWGRF_SETTINGS_RESCAN_FILES, STR_NEWGRF_SETTINGS_RESCAN_FILES_TOOLTIP),
01810         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_CONTENT_DOWNLOAD), SetFill(1, 0), SetResize(1, 0),
01811             SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),
01812       EndContainer(),
01813     EndContainer(),
01814   EndContainer(),
01815 };
01816 
01817 static const NWidgetPart _nested_newgrf_infopanel_widgets[] = {
01818   /* Right side, info panel. */
01819   NWidget(NWID_VERTICAL), SetPadding(0, 0, 2, 0),
01820     NWidget(WWT_PANEL, COLOUR_MAUVE), SetPadding(0, 0, 2, 0),
01821       NWidget(WWT_EMPTY, COLOUR_MAUVE, WID_NS_NEWGRF_INFO_TITLE), SetFill(1, 0), SetResize(1, 0),
01822       NWidget(WWT_EMPTY, COLOUR_MAUVE, WID_NS_NEWGRF_INFO), SetFill(1, 1), SetResize(1, 1), SetMinimalSize(150, 100),
01823     EndContainer(),
01824     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_OPEN_URL), SetFill(1, 0), SetResize(1, 0),
01825         SetDataTip(STR_CONTENT_OPEN_URL, STR_CONTENT_OPEN_URL_TOOLTIP),
01826     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_NEWGRF_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0),
01827         SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
01828     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01829       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_NEWGRF_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0),
01830           SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
01831       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_NEWGRF_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0),
01832           SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
01833     EndContainer(),
01834   EndContainer(),
01835   NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NS_SHOW_APPLY),
01836     /* Right side, buttons. */
01837     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(0, WD_RESIZEBOX_WIDTH, 0),
01838       NWidget(NWID_VERTICAL),
01839         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_SET_PARAMETERS), SetFill(1, 0), SetResize(1, 0),
01840             SetDataTip(STR_NEWGRF_SETTINGS_SET_PARAMETERS, STR_NULL),
01841         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_TOGGLE_PALETTE), SetFill(1, 0), SetResize(1, 0),
01842             SetDataTip(STR_NEWGRF_SETTINGS_TOGGLE_PALETTE, STR_NEWGRF_SETTINGS_TOGGLE_PALETTE_TOOLTIP),
01843       EndContainer(),
01844       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_APPLY_CHANGES), SetFill(1, 0), SetResize(1, 0),
01845           SetDataTip(STR_NEWGRF_SETTINGS_APPLY_CHANGES, STR_NULL),
01846     EndContainer(),
01847     NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_NS_VIEW_PARAMETERS), SetFill(1, 0), SetResize(1, 0),
01848       SetDataTip(STR_NEWGRF_SETTINGS_SHOW_PARAMETERS, STR_NULL),
01849   EndContainer(),
01850 };
01851 
01853 NWidgetBase* NewGRFDisplay(int *biggest_index)
01854 {
01855   NWidgetBase *avs = MakeNWidgets(_nested_newgrf_availables_widgets, lengthof(_nested_newgrf_availables_widgets), biggest_index, NULL);
01856 
01857   int biggest2;
01858   NWidgetBase *acs = MakeNWidgets(_nested_newgrf_actives_widgets, lengthof(_nested_newgrf_actives_widgets), &biggest2, NULL);
01859   *biggest_index = max(*biggest_index, biggest2);
01860 
01861   NWidgetBase *inf = MakeNWidgets(_nested_newgrf_infopanel_widgets, lengthof(_nested_newgrf_infopanel_widgets), &biggest2, NULL);
01862   *biggest_index = max(*biggest_index, biggest2);
01863 
01864   return new NWidgetNewGRFDisplay(avs, acs, inf);
01865 }
01866 
01867 /* Widget definition of the manage newgrfs window */
01868 static const NWidgetPart _nested_newgrf_widgets[] = {
01869   NWidget(NWID_HORIZONTAL),
01870     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
01871     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_SETTINGS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01872     NWidget(WWT_DEFSIZEBOX, COLOUR_MAUVE),
01873   EndContainer(),
01874   NWidget(WWT_PANEL, COLOUR_MAUVE),
01875     NWidgetFunction(NewGRFDisplay), SetPadding(WD_RESIZEBOX_WIDTH, WD_RESIZEBOX_WIDTH, 2, WD_RESIZEBOX_WIDTH),
01876     /* Resize button. */
01877     NWidget(NWID_HORIZONTAL),
01878       NWidget(NWID_SPACER), SetFill(1, 0), SetResize(1, 0),
01879       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
01880     EndContainer(),
01881   EndContainer(),
01882 };
01883 
01884 /* Window definition of the manage newgrfs window */
01885 static WindowDesc _newgrf_desc(
01886   WDP_CENTER, "settings_newgrf", 300, 263,
01887   WC_GAME_OPTIONS, WC_NONE,
01888   0,
01889   _nested_newgrf_widgets, lengthof(_nested_newgrf_widgets)
01890 );
01891 
01897 static void NewGRFConfirmationCallback(Window *w, bool confirmed)
01898 {
01899   if (confirmed) {
01900     DeleteWindowByClass(WC_GRF_PARAMETERS);
01901     NewGRFWindow *nw = dynamic_cast<NewGRFWindow*>(w);
01902 
01903     GamelogStartAction(GLAT_GRF);
01904     GamelogGRFUpdate(_grfconfig, nw->actives); // log GRF changes
01905     CopyGRFConfigList(nw->orig_list, nw->actives, false);
01906     ReloadNewGRFData();
01907     GamelogStopAction();
01908 
01909     /* Show new, updated list */
01910     GRFConfig *c;
01911     int i = 0;
01912     for (c = nw->actives; c != NULL && c != nw->active_sel; c = c->next, i++) {}
01913     CopyGRFConfigList(&nw->actives, *nw->orig_list, false);
01914     for (c = nw->actives; c != NULL && i > 0; c = c->next, i--) {}
01915     nw->active_sel = c;
01916     nw->avails.ForceRebuild();
01917 
01918     w->InvalidateData();
01919 
01920     ReInitAllWindows();
01921     DeleteWindowByClass(WC_BUILD_OBJECT);
01922   }
01923 }
01924 
01925 
01926 
01935 void ShowNewGRFSettings(bool editable, bool show_params, bool exec_changes, GRFConfig **config)
01936 {
01937   DeleteWindowByClass(WC_GAME_OPTIONS);
01938   new NewGRFWindow(&_newgrf_desc, editable, show_params, exec_changes, config);
01939 }
01940 
01942 static const NWidgetPart _nested_scan_progress_widgets[] = {
01943   NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_NEWGRF_SCAN_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01944   NWidget(WWT_PANEL, COLOUR_GREY),
01945     NWidget(NWID_HORIZONTAL), SetPIP(20, 0, 20),
01946       NWidget(NWID_VERTICAL), SetPIP(11, 8, 11),
01947         NWidget(WWT_LABEL, INVALID_COLOUR), SetDataTip(STR_NEWGRF_SCAN_MESSAGE, STR_NULL), SetFill(1, 0),
01948         NWidget(WWT_EMPTY, INVALID_COLOUR, WID_SP_PROGRESS_BAR), SetFill(1, 0),
01949         NWidget(WWT_EMPTY, INVALID_COLOUR, WID_SP_PROGRESS_TEXT), SetFill(1, 0),
01950       EndContainer(),
01951     EndContainer(),
01952   EndContainer(),
01953 };
01954 
01956 static WindowDesc _scan_progress_desc(
01957   WDP_CENTER, NULL, 0, 0,
01958   WC_MODAL_PROGRESS, WC_NONE,
01959   0,
01960   _nested_scan_progress_widgets, lengthof(_nested_scan_progress_widgets)
01961 );
01962 
01964 struct ScanProgressWindow : public Window {
01965   char *last_name; 
01966   int scanned;     
01967 
01969   ScanProgressWindow() : Window(&_scan_progress_desc), last_name(NULL), scanned(0)
01970   {
01971     this->InitNested(1);
01972   }
01973 
01975   ~ScanProgressWindow()
01976   {
01977     free(last_name);
01978   }
01979 
01980   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01981   {
01982     switch (widget) {
01983       case WID_SP_PROGRESS_BAR: {
01984         SetDParamMaxValue(0, 100);
01985         *size = GetStringBoundingBox(STR_GENERATION_PROGRESS);
01986         /* We need some spacing for the 'border' */
01987         size->height += 8;
01988         size->width += 8;
01989         break;
01990       }
01991 
01992       case WID_SP_PROGRESS_TEXT:
01993         SetDParamMaxDigits(0, 4);
01994         SetDParamMaxDigits(1, 4);
01995         /* We really don't know the width. We could determine it by scanning the NewGRFs,
01996          * but this is the status window for scanning them... */
01997         size->width = max(400U, GetStringBoundingBox(STR_NEWGRF_SCAN_STATUS).width);
01998         size->height = FONT_HEIGHT_NORMAL * 2 + WD_PAR_VSEP_NORMAL;
01999         break;
02000     }
02001   }
02002 
02003   virtual void DrawWidget(const Rect &r, int widget) const
02004   {
02005     switch (widget) {
02006       case WID_SP_PROGRESS_BAR: {
02007         /* Draw the % complete with a bar and a text */
02008         DrawFrameRect(r.left, r.top, r.right, r.bottom, COLOUR_GREY, FR_BORDERONLY);
02009         uint percent = scanned * 100 / max(1U, _settings_client.gui.last_newgrf_count);
02010         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);
02011         SetDParam(0, percent);
02012         DrawString(r.left, r.right, r.top + 5, STR_GENERATION_PROGRESS, TC_FROMSTRING, SA_HOR_CENTER);
02013         break;
02014       }
02015 
02016       case WID_SP_PROGRESS_TEXT:
02017         SetDParam(0, this->scanned);
02018         SetDParam(1, _settings_client.gui.last_newgrf_count);
02019         DrawString(r.left, r.right, r.top, STR_NEWGRF_SCAN_STATUS, TC_FROMSTRING, SA_HOR_CENTER);
02020 
02021         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);
02022         break;
02023     }
02024   }
02025 
02031   void UpdateNewGRFScanStatus(uint num, const char *name)
02032   {
02033     free(this->last_name);
02034     if (name == NULL) {
02035       char buf[256];
02036       GetString(buf, STR_NEWGRF_SCAN_ARCHIVES, lastof(buf));
02037       this->last_name = strdup(buf);
02038     } else {
02039       this->last_name = strdup(name);
02040     }
02041     this->scanned = num;
02042     if (num > _settings_client.gui.last_newgrf_count) _settings_client.gui.last_newgrf_count = num;
02043 
02044     this->SetDirty();
02045   }
02046 };
02047 
02053 void UpdateNewGRFScanStatus(uint num, const char *name)
02054 {
02055   ScanProgressWindow *w  = dynamic_cast<ScanProgressWindow *>(FindWindowByClass(WC_MODAL_PROGRESS));
02056   if (w == NULL) w = new ScanProgressWindow();
02057   w->UpdateNewGRFScanStatus(num, name);
02058 }