# newgrf_gui.cpp

Go to the documentation of this file.

    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 }