# misc_gui.cpp

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    00001 /* $Id: misc_gui.cpp 22842 2011-08-25 13:46:19Z 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 "debug.h"
    00014 #include "landscape.h"
    00015 #include "newgrf_text.h"
    00016 #include "gui.h"
    00017 #include "viewport_func.h"
    00018 #include "gfx_func.h"
    00019 #include "command_func.h"
    00020 #include "company_func.h"
    00021 #include "town.h"
    00022 #include "string_func.h"
    00023 #include "company_base.h"
    00024 #include "texteff.hpp"
    00025 #include "company_manager_face.h"
    00026 #include "strings_func.h"
    00027 #include "zoom_func.h"
    00028 #include "window_func.h"
    00029 #include "querystring_gui.h"
    00030 #include "console_func.h"
    00031 #include "core/geometry_func.hpp"
    00032 #include "newgrf_debug.h"
    00033
    00034 #include "table/strings.h"
    00035
    00042 bool GetClipboardContents(char *buffer, size_t buff_len);
    00043
    00044 int _caret_timer;
    00045
    00046
    00048 enum LandInfoWidgets {
    00049   LIW_BACKGROUND,
    00050 };
    00051
    00052 static const NWidgetPart _nested_land_info_widgets[] = {
    00053   NWidget(NWID_HORIZONTAL),
    00054     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    00055     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_LAND_AREA_INFORMATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00056     NWidget(WWT_DEBUGBOX, COLOUR_GREY),
    00057   EndContainer(),
    00058   NWidget(WWT_PANEL, COLOUR_GREY, LIW_BACKGROUND), EndContainer(),
    00059 };
    00060
    00061 static const WindowDesc _land_info_desc(
    00062   WDP_AUTO, 0, 0,
    00063   WC_LAND_INFO, WC_NONE,
    00064   0,
    00065   _nested_land_info_widgets, lengthof(_nested_land_info_widgets)
    00066 );
    00067
    00068 class LandInfoWindow : public Window {
    00069   enum LandInfoLines {
    00070     LAND_INFO_CENTERED_LINES   = 12,
    00071     LAND_INFO_MULTICENTER_LINE = LAND_INFO_CENTERED_LINES,
    00072     LAND_INFO_LINE_END,
    00073   };
    00074
    00075   static const uint LAND_INFO_LINE_BUFF_SIZE = 512;
    00076
    00077 public:
    00078   char landinfo_data[LAND_INFO_LINE_END][LAND_INFO_LINE_BUFF_SIZE];
    00079   TileIndex tile;
    00080
    00081   virtual void DrawWidget(const Rect &r, int widget) const
    00082   {
    00083     if (widget != LIW_BACKGROUND) return;
    00084
    00085     uint y = r.top + WD_TEXTPANEL_TOP;
    00086     for (uint i = 0; i < LAND_INFO_CENTERED_LINES; i++) {
    00087       if (StrEmpty(this->landinfo_data[i])) break;
    00088
    00089       DrawString(r.left + WD_FRAMETEXT_LEFT, r.right - WD_FRAMETEXT_RIGHT, y, this->landinfo_data[i], i == 0 ? TC_LIGHT_BLUE : TC_FROMSTRING, SA_HOR_CENTER);
    00090       y += FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL;
    00091       if (i == 0) y += 4;
    00092     }
    00093
    00094     if (!StrEmpty(this->landinfo_data[LAND_INFO_MULTICENTER_LINE])) {
    00095       SetDParamStr(0, this->landinfo_data[LAND_INFO_MULTICENTER_LINE]);
    00096       DrawStringMultiLine(r.left + WD_FRAMETEXT_LEFT, r.right - WD_FRAMETEXT_RIGHT, y, r.bottom - WD_TEXTPANEL_BOTTOM, STR_JUST_RAW_STRING, TC_FROMSTRING, SA_CENTER);
    00097     }
    00098   }
    00099
    00100   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00101   {
    00102     if (widget != LIW_BACKGROUND) return;
    00103
    00104     size->height = WD_TEXTPANEL_TOP + WD_TEXTPANEL_BOTTOM;
    00105     for (uint i = 0; i < LAND_INFO_CENTERED_LINES; i++) {
    00106       if (StrEmpty(this->landinfo_data[i])) break;
    00107
    00108       uint width = GetStringBoundingBox(this->landinfo_data[i]).width + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT;
    00109       size->width = max(size->width, width);
    00110
    00111       size->height += FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL;
    00112       if (i == 0) size->height += 4;
    00113     }
    00114
    00115     if (!StrEmpty(this->landinfo_data[LAND_INFO_MULTICENTER_LINE])) {
    00116       uint width = GetStringBoundingBox(this->landinfo_data[LAND_INFO_MULTICENTER_LINE]).width + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT;
    00117       size->width = max(size->width, min(300u, width));
    00118       SetDParamStr(0, this->landinfo_data[LAND_INFO_MULTICENTER_LINE]);
    00119       size->height += GetStringHeight(STR_JUST_RAW_STRING, size->width - WD_FRAMETEXT_LEFT - WD_FRAMETEXT_RIGHT);
    00120     }
    00121   }
    00122
    00123   LandInfoWindow(TileIndex tile) : Window(), tile(tile) {
    00124     this->InitNested(&_land_info_desc);
    00125
    00126 #if defined(_DEBUG)
    00127 # define LANDINFOD_LEVEL 0
    00128 #else
    00129 # define LANDINFOD_LEVEL 1
    00130 #endif
    00131     DEBUG(misc, LANDINFOD_LEVEL, "TILE: %#x (%i,%i)", tile, TileX(tile), TileY(tile));
    00132     DEBUG(misc, LANDINFOD_LEVEL, "type_height  = %#x", _m[tile].type_height);
    00133     DEBUG(misc, LANDINFOD_LEVEL, "m1           = %#x", _m[tile].m1);
    00134     DEBUG(misc, LANDINFOD_LEVEL, "m2           = %#x", _m[tile].m2);
    00135     DEBUG(misc, LANDINFOD_LEVEL, "m3           = %#x", _m[tile].m3);
    00136     DEBUG(misc, LANDINFOD_LEVEL, "m4           = %#x", _m[tile].m4);
    00137     DEBUG(misc, LANDINFOD_LEVEL, "m5           = %#x", _m[tile].m5);
    00138     DEBUG(misc, LANDINFOD_LEVEL, "m6           = %#x", _m[tile].m6);
    00139     DEBUG(misc, LANDINFOD_LEVEL, "m7           = %#x", _me[tile].m7);
    00140 #undef LANDINFOD_LEVEL
    00141   }
    00142
    00143   virtual void OnInit()
    00144   {
    00145     Town *t = ClosestTownFromTile(tile, _settings_game.economy.dist_local_authority);
    00146
    00147     /* Because build_date is not set yet in every TileDesc, we make sure it is empty */
    00148     TileDesc td;
    00149
    00150     td.build_date = INVALID_DATE;
    00151
    00152     /* Most tiles have only one owner, but
    00153      *  - drivethrough roadstops can be build on town owned roads (up to 2 owners) and
    00154      *  - roads can have up to four owners (railroad, road, tram, 3rd-roadtype "highway").
    00155      */
    00156     td.owner_type[0] = STR_LAND_AREA_INFORMATION_OWNER; // At least one owner is displayed, though it might be "N/A".
    00157     td.owner_type[1] = STR_NULL;       // STR_NULL results in skipping the owner
    00158     td.owner_type[2] = STR_NULL;
    00159     td.owner_type[3] = STR_NULL;
    00160     td.owner[0] = OWNER_NONE;
    00161     td.owner[1] = OWNER_NONE;
    00162     td.owner[2] = OWNER_NONE;
    00163     td.owner[3] = OWNER_NONE;
    00164
    00165     td.station_class = STR_NULL;
    00166     td.station_name = STR_NULL;
    00167     td.airport_class = STR_NULL;
    00168     td.airport_name = STR_NULL;
    00169     td.airport_tile_name = STR_NULL;
    00170     td.rail_speed = 0;
    00171
    00172     td.grf = NULL;
    00173
    00174     CargoArray acceptance;
    00175     AddAcceptedCargo(tile, acceptance, NULL);
    00176     GetTileDesc(tile, &td);
    00177
    00178     uint line_nr = 0;
    00179
    00180     /* Tiletype */
    00181     SetDParam(0, td.dparam[0]);
    00182     GetString(this->landinfo_data[line_nr], td.str, lastof(this->landinfo_data[line_nr]));
    00183     line_nr++;
    00184
    00185     /* Up to four owners */
    00186     for (uint i = 0; i < 4; i++) {
    00187       if (td.owner_type[i] == STR_NULL) continue;
    00188
    00189       SetDParam(0, STR_LAND_AREA_INFORMATION_OWNER_N_A);
    00190       if (td.owner[i] != OWNER_NONE && td.owner[i] != OWNER_WATER) GetNameOfOwner(td.owner[i], tile);
    00191       GetString(this->landinfo_data[line_nr], td.owner_type[i], lastof(this->landinfo_data[line_nr]));
    00192       line_nr++;
    00193     }
    00194
    00195     /* Cost to clear/revenue when cleared */
    00196     StringID str = STR_LAND_AREA_INFORMATION_COST_TO_CLEAR_N_A;
    00197     Company *c = Company::GetIfValid(_local_company);
    00198     if (c != NULL) {
    00199       Money old_money = c->money;
    00200       c->money = INT64_MAX;
    00201       assert(_current_company == _local_company);
    00202       CommandCost costclear = DoCommand(tile, 0, 0, DC_NONE, CMD_LANDSCAPE_CLEAR);
    00203       c->money = old_money;
    00204       if (costclear.Succeeded()) {
    00205         Money cost = costclear.GetCost();
    00206         if (cost < 0) {
    00207           cost = -cost; // Negate negative cost to a positive revenue
    00208           str = STR_LAND_AREA_INFORMATION_REVENUE_WHEN_CLEARED;
    00209         } else {
    00210           str = STR_LAND_AREA_INFORMATION_COST_TO_CLEAR;
    00211         }
    00212         SetDParam(0, cost);
    00213       }
    00214     }
    00215     GetString(this->landinfo_data[line_nr], str, lastof(this->landinfo_data[line_nr]));
    00216     line_nr++;
    00217
    00218     /* Location */
    00219     char tmp[16];
    00220     snprintf(tmp, lengthof(tmp), "0x%.4X", tile);
    00221     SetDParam(0, TileX(tile));
    00222     SetDParam(1, TileY(tile));
    00223     SetDParam(2, GetTileZ(tile) / TILE_HEIGHT);
    00224     SetDParamStr(3, tmp);
    00225     GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_LANDINFO_COORDS, lastof(this->landinfo_data[line_nr]));
    00226     line_nr++;
    00227
    00228     /* Local authority */
    00229     SetDParam(0, STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY_NONE);
    00230     if (t != NULL) {
    00231       SetDParam(0, STR_TOWN_NAME);
    00232       SetDParam(1, t->index);
    00233     }
    00234     GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY, lastof(this->landinfo_data[line_nr]));
    00235     line_nr++;
    00236
    00237     /* Build date */
    00238     if (td.build_date != INVALID_DATE) {
    00239       SetDParam(0, td.build_date);
    00240       GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_BUILD_DATE, lastof(this->landinfo_data[line_nr]));
    00241       line_nr++;
    00242     }
    00243
    00244     /* Station class */
    00245     if (td.station_class != STR_NULL) {
    00246       SetDParam(0, td.station_class);
    00247       GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_STATION_CLASS, lastof(this->landinfo_data[line_nr]));
    00248       line_nr++;
    00249     }
    00250
    00251     /* Station type name */
    00252     if (td.station_name != STR_NULL) {
    00253       SetDParam(0, td.station_name);
    00254       GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_STATION_TYPE, lastof(this->landinfo_data[line_nr]));
    00255       line_nr++;
    00256     }
    00257
    00258     /* Airport class */
    00259     if (td.airport_class != STR_NULL) {
    00260       SetDParam(0, td.airport_class);
    00261       GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_AIRPORT_CLASS, lastof(this->landinfo_data[line_nr]));
    00262       line_nr++;
    00263     }
    00264
    00265     /* Airport name */
    00266     if (td.airport_name != STR_NULL) {
    00267       SetDParam(0, td.airport_name);
    00268       GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_AIRPORT_NAME, lastof(this->landinfo_data[line_nr]));
    00269       line_nr++;
    00270     }
    00271
    00272     /* Airport tile name */
    00273     if (td.airport_tile_name != STR_NULL) {
    00274       SetDParam(0, td.airport_tile_name);
    00275       GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_AIRPORTTILE_NAME, lastof(this->landinfo_data[line_nr]));
    00276       line_nr++;
    00277     }
    00278
    00279     /* Rail speed limit */
    00280     if (td.rail_speed != 0) {
    00281       SetDParam(0, td.rail_speed);
    00282       GetString(this->landinfo_data[line_nr], STR_LANG_AREA_INFORMATION_RAIL_SPEED_LIMIT, lastof(this->landinfo_data[line_nr]));
    00283       line_nr++;
    00284     }
    00285
    00286     /* NewGRF name */
    00287     if (td.grf != NULL) {
    00288       SetDParamStr(0, td.grf);
    00289       GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_NEWGRF_NAME, lastof(this->landinfo_data[line_nr]));
    00290       line_nr++;
    00291     }
    00292
    00293     assert(line_nr < LAND_INFO_CENTERED_LINES);
    00294
    00295     /* Mark last line empty */
    00296     this->landinfo_data[line_nr][0] = '\0';
    00297
    00298     /* Cargo acceptance is displayed in a extra multiline */
    00299     char *strp = GetString(this->landinfo_data[LAND_INFO_MULTICENTER_LINE], STR_LAND_AREA_INFORMATION_CARGO_ACCEPTED, lastof(this->landinfo_data[LAND_INFO_MULTICENTER_LINE]));
    00300     bool found = false;
    00301
    00302     for (CargoID i = 0; i < NUM_CARGO; ++i) {
    00303       if (acceptance[i] > 0) {
    00304         /* Add a comma between each item. */
    00305         if (found) {
    00306           *strp++ = ',';
    00307           *strp++ = ' ';
    00308         }
    00309         found = true;
    00310
    00311         /* If the accepted value is less than 8, show it in 1/8:ths */
    00312         if (acceptance[i] < 8) {
    00313           SetDParam(0, acceptance[i]);
    00314           SetDParam(1, CargoSpec::Get(i)->name);
    00315           strp = GetString(strp, STR_LAND_AREA_INFORMATION_CARGO_EIGHTS, lastof(this->landinfo_data[LAND_INFO_MULTICENTER_LINE]));
    00316         } else {
    00317           strp = GetString(strp, CargoSpec::Get(i)->name, lastof(this->landinfo_data[LAND_INFO_MULTICENTER_LINE]));
    00318         }
    00319       }
    00320     }
    00321     if (!found) this->landinfo_data[LAND_INFO_MULTICENTER_LINE][0] = '\0';
    00322   }
    00323
    00324   virtual bool IsNewGRFInspectable() const
    00325   {
    00326     return ::IsNewGRFInspectable(GetGrfSpecFeature(this->tile), this->tile);
    00327   }
    00328
    00329   virtual void ShowNewGRFInspectWindow() const
    00330   {
    00331 		::ShowNewGRFInspectWindow(GetGrfSpecFeature(this->tile), this->tile);
    00332   }
    00333
    00339   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    00340   {
    00341     if (!gui_scope) return;
    00342     switch (data) {
    00343       case 1:
    00344         /* ReInit, "debug" sprite might have changed */
    00345         this->ReInit();
    00346         break;
    00347     }
    00348   }
    00349 };
    00350
    00355 void ShowLandInfo(TileIndex tile)
    00356 {
    00357   DeleteWindowById(WC_LAND_INFO, 0);
    00358   new LandInfoWindow(tile);
    00359 }
    00360
    00362 enum AboutWidgets {
    00363   AW_SCROLLING_TEXT,
    00364   AW_WEBSITE,
    00365 };
    00366
    00367 static const NWidgetPart _nested_about_widgets[] = {
    00368   NWidget(NWID_HORIZONTAL),
    00369     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    00370     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_ABOUT_OPENTTD, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00371   EndContainer(),
    00372   NWidget(WWT_PANEL, COLOUR_GREY), SetPIP(4, 2, 4),
    00373     NWidget(WWT_LABEL, COLOUR_GREY), SetDataTip(STR_ABOUT_ORIGINAL_COPYRIGHT, STR_NULL),
    00374     NWidget(WWT_LABEL, COLOUR_GREY), SetDataTip(STR_ABOUT_VERSION, STR_NULL),
    00375     NWidget(WWT_FRAME, COLOUR_GREY), SetPadding(0, 5, 1, 5),
    00376       NWidget(WWT_EMPTY, INVALID_COLOUR, AW_SCROLLING_TEXT),
    00377     EndContainer(),
    00378     NWidget(WWT_LABEL, COLOUR_GREY, AW_WEBSITE), SetDataTip(STR_BLACK_RAW_STRING, STR_NULL),
    00379     NWidget(WWT_LABEL, COLOUR_GREY), SetDataTip(STR_ABOUT_COPYRIGHT_OPENTTD, STR_NULL),
    00380   EndContainer(),
    00381 };
    00382
    00383 static const WindowDesc _about_desc(
    00384   WDP_CENTER, 0, 0,
    00385   WC_GAME_OPTIONS, WC_NONE,
    00386   0,
    00387   _nested_about_widgets, lengthof(_nested_about_widgets)
    00388 );
    00389
    00390 static const char * const _credits[] = {
    00391   "Original design by Chris Sawyer",
    00392   "Original graphics by Simon Foster",
    00393   "",
    00394   "The OpenTTD team (in alphabetical order):",
    00395   "  Albert Hofkamp (Alberth) - GUI expert",
    00396   "  Jean-Fran\xC3\xA7ois Claeys (Belugas) - GUI, newindustries and more",
    00397   "  Matthijs Kooijman (blathijs) - Pathfinder-guru, pool rework",
    00398   "  Christoph Elsenhans (frosch) - General coding",
    00399   "  Lo\xC3\xAF""c Guilloux (glx) - Windows Expert",
    00400   "  Michael Lutz (michi_cc) - Path based signals",
    00401   "  Owen Rudge (orudge) - Forum host, OS/2 port",
    00402   "  Peter Nelson (peter1138) - Spiritual descendant from NewGRF gods",
    00403   "  Ingo von Borstel (planetmaker) - Support",
    00404   "  Remko Bijker (Rubidium) - Lead coder and way more",
    00405   "  Zden\xC4\x9Bk Sojka (SmatZ) - Bug finder and fixer",
    00406   "  Jos\xC3\xA9 Soler (Terkhen) - General coding",
    00407   "  Thijs Marinussen (Yexo) - AI Framework",
    00408   "",
    00409   "Inactive Developers:",
    00410   "  Bjarni Corfitzen (Bjarni) - MacOSX port, coder and vehicles",
    00411   "  Victor Fischer (Celestar) - Programming everywhere you need him to",
    00412   "  Tam\xC3\xA1s Farag\xC3\xB3 (Darkvater) - Ex-Lead coder",
    00413   "  Jaroslav Mazanec (KUDr) - YAPG (Yet Another Pathfinder God) ;)",
    00414   "  Jonathan Coome (Maedhros) - High priest of the NewGRF Temple",
    00415   "  Attila B\xC3\xA1n (MiHaMiX) - Developer WebTranslator 1 and 2",
    00416   "  Christoph Mallon (Tron) - Programmer, code correctness police",
    00417   "",
    00418   "Retired Developers:",
    00419   "  Ludvig Strigeus (ludde) - OpenTTD author, main coder (0.1 - 0.3.3)",
    00420   "  Serge Paquet (vurlix) - Assistant project manager, coder (0.1 - 0.3.3)",
    00421   "  Dominik Scherer (dominik81) - Lead programmer, GUI expert (0.3.0 - 0.3.6)",
    00422   "  Benedikt Br\xC3\xBCggemeier (skidd13) - Bug fixer and code reworker",
    00423   "  Patric Stout (TrueLight) - Programmer (0.3 - pre0.7), sys op (active)",
    00424   "",
    00425   "Special thanks go out to:",
    00426   "  Josef Drexler - For his great work on TTDPatch",
    00427   "  Marcin Grzegorczyk - For describing Transport Tycoon Deluxe internals",
    00428   "  Petr Baudi\xC5\xA1 (pasky) - Many patches, newGRF support",
    00429   "  Stefan Mei\xC3\x9Fner (sign_de) - For his work on the console",
    00430   "  Simon Sasburg (HackyKid) - Many bugfixes he has blessed us with",
    00431   "  Cian Duffy (MYOB) - BeOS port / manual writing",
    00432   "  Christian Rosentreter (tokai) - MorphOS / AmigaOS port",
    00433   "  Richard Kempton (richK) - additional airports, initial TGP implementation",
    00434   "",
    00435   "  Alberto Demichelis - Squirrel scripting language \xC2\xA9 2003-2008",
    00436   "  L. Peter Deutsch - MD5 implementation \xC2\xA9 1999, 2000, 2002",
    00437   "  Michael Blunck - Pre-Signals and Semaphores \xC2\xA9 2003",
    00438   "  George - Canal/Lock graphics \xC2\xA9 2003-2004",
    00439   "  Andrew Parkhouse - River graphics",
    00440   "  David Dallaston - Tram tracks",
    00441   "  Marcin Grzegorczyk - Foundations for Tracks on Slopes",
    00442   "  All Translators - Who made OpenTTD a truly international game",
    00443   "  Bug Reporters - Without whom OpenTTD would still be full of bugs!",
    00444   "",
    00445   "",
    00446   "And last but not least:",
    00447   "  Chris Sawyer - For an amazing game!"
    00448 };
    00449
    00450 struct AboutWindow : public Window {
    00451   int text_position;
    00452   byte counter;
    00453   int line_height;
    00454   static const int num_visible_lines = 19;
    00455
    00456   AboutWindow() : Window()
    00457   {
    00458     this->InitNested(&_about_desc);
    00459
    00460     this->counter = 5;
    00461     this->text_position = this->GetWidget<NWidgetBase>(AW_SCROLLING_TEXT)->pos_y + this->GetWidget<NWidgetBase>(AW_SCROLLING_TEXT)->current_y;
    00462   }
    00463
    00464   virtual void SetStringParameters(int widget) const
    00465   {
    00466     if (widget == AW_WEBSITE) SetDParamStr(0, "Website: http://www.openttd.org");
    00467   }
    00468
    00469   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00470   {
    00471     if (widget != AW_SCROLLING_TEXT) return;
    00472
    00473     this->line_height = FONT_HEIGHT_NORMAL;
    00474
    00475     Dimension d;
    00476     d.height = this->line_height * num_visible_lines;
    00477
    00478     d.width = 0;
    00479     for (uint i = 0; i < lengthof(_credits); i++) {
    00480       d.width = max(d.width, GetStringBoundingBox(_credits[i]).width);
    00481     }
    00482     *size = maxdim(*size, d);
    00483   }
    00484
    00485   virtual void DrawWidget(const Rect &r, int widget) const
    00486   {
    00487     if (widget != AW_SCROLLING_TEXT) return;
    00488
    00489     int y = this->text_position;
    00490
    00491     /* Show all scrolling _credits */
    00492     for (uint i = 0; i < lengthof(_credits); i++) {
    00493       if (y >= r.top + 7 && y < r.bottom - this->line_height) {
    00494         DrawString(r.left, r.right, y, _credits[i], TC_BLACK, SA_LEFT | SA_FORCE);
    00495       }
    00496       y += this->line_height;
    00497     }
    00498   }
    00499
    00500   virtual void OnTick()
    00501   {
    00502     if (--this->counter == 0) {
    00503       this->counter = 5;
    00504       this->text_position--;
    00505       /* If the last text has scrolled start a new from the start */
    00506       if (this->text_position < (int)(this->GetWidget<NWidgetBase>(AW_SCROLLING_TEXT)->pos_y - lengthof(_credits) * this->line_height)) {
    00507         this->text_position = this->GetWidget<NWidgetBase>(AW_SCROLLING_TEXT)->pos_y + this->GetWidget<NWidgetBase>(AW_SCROLLING_TEXT)->current_y;
    00508       }
    00509       this->SetDirty();
    00510     }
    00511   }
    00512 };
    00513
    00514 void ShowAboutWindow()
    00515 {
    00516   DeleteWindowById(WC_GAME_OPTIONS, 0);
    00517   new AboutWindow();
    00518 }
    00519
    00521 enum ErrorMessageWidgets {
    00522   EMW_CAPTION,
    00523   EMW_FACE,
    00524   EMW_MESSAGE,
    00525 };
    00526
    00527 static const NWidgetPart _nested_errmsg_widgets[] = {
    00528   NWidget(NWID_HORIZONTAL),
    00529     NWidget(WWT_CLOSEBOX, COLOUR_RED),
    00530     NWidget(WWT_CAPTION, COLOUR_RED, EMW_CAPTION), SetDataTip(STR_ERROR_MESSAGE_CAPTION, STR_NULL),
    00531   EndContainer(),
    00532   NWidget(WWT_PANEL, COLOUR_RED),
    00533     NWidget(WWT_EMPTY, COLOUR_RED, EMW_MESSAGE), SetPadding(0, 2, 0, 2), SetMinimalSize(236, 32),
    00534   EndContainer(),
    00535 };
    00536
    00537 static const WindowDesc _errmsg_desc(
    00538   WDP_MANUAL, 0, 0,
    00539   WC_ERRMSG, WC_NONE,
    00540   0,
    00541   _nested_errmsg_widgets, lengthof(_nested_errmsg_widgets)
    00542 );
    00543
    00544 static const NWidgetPart _nested_errmsg_face_widgets[] = {
    00545   NWidget(NWID_HORIZONTAL),
    00546     NWidget(WWT_CLOSEBOX, COLOUR_RED),
    00547     NWidget(WWT_CAPTION, COLOUR_RED, EMW_CAPTION), SetDataTip(STR_ERROR_MESSAGE_CAPTION_OTHER_COMPANY, STR_NULL),
    00548   EndContainer(),
    00549   NWidget(WWT_PANEL, COLOUR_RED),
    00550     NWidget(NWID_HORIZONTAL), SetPIP(2, 1, 2),
    00551       NWidget(WWT_EMPTY, COLOUR_RED, EMW_FACE), SetMinimalSize(92, 119), SetFill(0, 1), SetPadding(2, 0, 1, 0),
    00552       NWidget(WWT_EMPTY, COLOUR_RED, EMW_MESSAGE), SetFill(0, 1), SetMinimalSize(238, 123),
    00553     EndContainer(),
    00554   EndContainer(),
    00555 };
    00556
    00557 static const WindowDesc _errmsg_face_desc(
    00558   WDP_MANUAL, 0, 0,
    00559   WC_ERRMSG, WC_NONE,
    00560   0,
    00561   _nested_errmsg_face_widgets, lengthof(_nested_errmsg_face_widgets)
    00562 );
    00563
    00565 struct ErrmsgWindow : public Window {
    00566 private:
    00567   uint duration;
    00568   uint64 decode_params[20];
    00569   uint textref_stack_size;
    00570   uint32 textref_stack[16];
    00571   StringID summary_msg;
    00572   StringID detailed_msg;
    00573   uint height_summary;
    00574   uint height_detailed;
    00575   Point position;
    00576   CompanyID face;
    00577
    00578 public:
    00579   ErrmsgWindow(Point pt, StringID summary_msg, StringID detailed_msg, bool no_timeout, uint textref_stack_size, const uint32 *textref_stack) : Window()
    00580   {
    00581     this->position = pt;
    00582     this->duration = no_timeout ? 0 : _settings_client.gui.errmsg_duration;
    00583     CopyOutDParam(this->decode_params, 0, lengthof(this->decode_params));
    00584     this->summary_msg  = summary_msg;
    00585     this->detailed_msg = detailed_msg;
    00586     this->textref_stack_size = textref_stack_size;
    00587     if (textref_stack_size > 0) {
    00588       MemCpyT(this->textref_stack, textref_stack, textref_stack_size);
    00589     }
    00590
    00591     CompanyID company = (CompanyID)GetDParamX(this->decode_params, 2);
    00592     this->face = (this->detailed_msg == STR_ERROR_OWNED_BY && company < MAX_COMPANIES) ? company : INVALID_COMPANY;
    00593     const WindowDesc *desc = (face == INVALID_COMPANY) ? &_errmsg_desc : &_errmsg_face_desc;
    00594
    00595     assert(summary_msg != INVALID_STRING_ID);
    00596
    00597     this->InitNested(desc);
    00598   }
    00599
    00600   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00601   {
    00602     if (widget != EMW_MESSAGE) return;
    00603
    00604     CopyInDParam(0, this->decode_params, lengthof(this->decode_params));
    00605     if (this->textref_stack_size > 0) StartTextRefStackUsage(this->textref_stack_size, this->textref_stack);
    00606
    00607     int text_width = max(0, (int)size->width - WD_FRAMETEXT_LEFT - WD_FRAMETEXT_RIGHT);
    00608     this->height_summary  = GetStringHeight(this->summary_msg, text_width);
    00609     this->height_detailed = (this->detailed_msg == INVALID_STRING_ID) ? 0 : GetStringHeight(this->detailed_msg, text_width);
    00610
    00611     if (this->textref_stack_size > 0) StopTextRefStackUsage();
    00612
    00613     uint panel_height = WD_FRAMERECT_TOP + this->height_summary + WD_FRAMERECT_BOTTOM;
    00614     if (this->detailed_msg != INVALID_STRING_ID) panel_height += this->height_detailed + WD_PAR_VSEP_WIDE;
    00615
    00616     size->height = max(size->height, panel_height);
    00617   }
    00618
    00619   virtual Point OnInitialPosition(const WindowDesc *desc, int16 sm_width, int16 sm_height, int window_number)
    00620   {
    00621     /* Position (0, 0) given, center the window. */
    00622     if (this->position.x == 0 && this->position.y == 0) {
    00623       Point pt = {(_screen.width - sm_width) >> 1, (_screen.height - sm_height) >> 1};
    00624       return pt;
    00625     }
    00626
    00627     /* Find the free screen space between the main toolbar at the top, and the statusbar at the bottom.
    00628      * Add a fixed distance 20 to make it less cluttered.
    00629      */
    00630     int scr_top = GetMainViewTop() + 20;
    00631     int scr_bot = GetMainViewBottom() - 20;
    00632
    00633     Point pt = RemapCoords2(this->position.x, this->position.y);
    00634     const ViewPort *vp = FindWindowById(WC_MAIN_WINDOW, 0)->viewport;
    00635     if (this->face == INVALID_COMPANY) {
    00636       /* move x pos to opposite corner */
    00637       pt.x = UnScaleByZoom(pt.x - vp->virtual_left, vp->zoom) + vp->left;
    00638       pt.x = (pt.x < (_screen.width >> 1)) ? _screen.width - sm_width - 20 : 20; // Stay 20 pixels away from the edge of the screen.
    00639
    00640       /* move y pos to opposite corner */
    00641       pt.y = UnScaleByZoom(pt.y - vp->virtual_top, vp->zoom) + vp->top;
    00642       pt.y = (pt.y < (_screen.height >> 1)) ? scr_bot - sm_height : scr_top;
    00643     } else {
    00644       pt.x = Clamp(UnScaleByZoom(pt.x - vp->virtual_left, vp->zoom) + vp->left - (sm_width / 2),  0, _screen.width  - sm_width);
    00645       pt.y = Clamp(UnScaleByZoom(pt.y - vp->virtual_top,  vp->zoom) + vp->top  - (sm_height / 2), scr_top, scr_bot - sm_height);
    00646     }
    00647     return pt;
    00648   }
    00649
    00655   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    00656   {
    00657     /* If company gets shut down, while displaying an error about it, remove the error message. */
    00658     if (this->face != INVALID_COMPANY && !Company::IsValidID(this->face)) delete this;
    00659   }
    00660
    00661   virtual void SetStringParameters(int widget) const
    00662   {
    00663     if (widget == EMW_CAPTION) CopyInDParam(0, this->decode_params, lengthof(this->decode_params));
    00664   }
    00665
    00666   virtual void DrawWidget(const Rect &r, int widget) const
    00667   {
    00668     switch (widget) {
    00669       case EMW_FACE: {
    00670         const Company *c = Company::Get(this->face);
    00671         DrawCompanyManagerFace(c->face, c->colour, r.left, r.top);
    00672         break;
    00673       }
    00674
    00675       case EMW_MESSAGE:
    00676         CopyInDParam(0, this->decode_params, lengthof(this->decode_params));
    00677         if (this->textref_stack_size > 0) StartTextRefStackUsage(this->textref_stack_size, this->textref_stack);
    00678
    00679         if (this->detailed_msg == INVALID_STRING_ID) {
    00680           DrawStringMultiLine(r.left + WD_FRAMETEXT_LEFT, r.right - WD_FRAMETEXT_RIGHT, r.top + WD_FRAMERECT_TOP, r.bottom - WD_FRAMERECT_BOTTOM,
    00681               this->summary_msg, TC_FROMSTRING, SA_CENTER);
    00682         } else {
    00683           int extra = (r.bottom - r.top + 1 - this->height_summary - this->height_detailed - WD_PAR_VSEP_WIDE) / 2;
    00684
    00685           /* Note: NewGRF supplied error message often do not start with a colour code, so default to white. */
    00686           int top = r.top + WD_FRAMERECT_TOP;
    00687           int bottom = top + this->height_summary + extra;
    00688           DrawStringMultiLine(r.left + WD_FRAMETEXT_LEFT, r.right - WD_FRAMETEXT_RIGHT, top, bottom, this->summary_msg, TC_WHITE, SA_CENTER);
    00689
    00690           bottom = r.bottom - WD_FRAMERECT_BOTTOM;
    00691           top = bottom - this->height_detailed - extra;
    00692           DrawStringMultiLine(r.left + WD_FRAMETEXT_LEFT, r.right - WD_FRAMETEXT_RIGHT, top, bottom, this->detailed_msg, TC_WHITE, SA_CENTER);
    00693         }
    00694
    00695         if (this->textref_stack_size > 0) StopTextRefStackUsage();
    00696         break;
    00697
    00698       default:
    00699         break;
    00700     }
    00701   }
    00702
    00703   virtual void OnMouseLoop()
    00704   {
    00705     /* Disallow closing the window too easily, if timeout is disabled */
    00706     if (_right_button_down && this->duration != 0) delete this;
    00707   }
    00708
    00709   virtual void OnHundredthTick()
    00710   {
    00711     /* Timeout enabled? */
    00712     if (this->duration != 0) {
    00713       this->duration--;
    00714       if (this->duration == 0) delete this;
    00715     }
    00716   }
    00717
    00718   ~ErrmsgWindow()
    00719   {
    00720     SetRedErrorSquare(INVALID_TILE);
    00721   }
    00722
    00723   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
    00724   {
    00725     if (keycode != WKC_SPACE) return ES_NOT_HANDLED;
    00726     delete this;
    00727     return ES_HANDLED;
    00728   }
    00729 };
    00730
    00741 void ShowErrorMessage(StringID summary_msg, StringID detailed_msg, WarningLevel wl, int x, int y, uint textref_stack_size, const uint32 *textref_stack)
    00742 {
    00743   assert(textref_stack_size == 0 || textref_stack != NULL);
    00744   if (summary_msg == STR_NULL) summary_msg = STR_EMPTY;
    00745
    00746   if (wl != WL_INFO) {
    00747     /* Print message to console */
    00748     char buf[DRAW_STRING_BUFFER];
    00749
    00750     if (textref_stack_size > 0) StartTextRefStackUsage(textref_stack_size, textref_stack);
    00751
    00752     char *b = GetString(buf, summary_msg, lastof(buf));
    00753     if (detailed_msg != INVALID_STRING_ID) {
    00754       b += seprintf(b, lastof(buf), " ");
    00755       GetString(b, detailed_msg, lastof(buf));
    00756     }
    00757
    00758     if (textref_stack_size > 0) StopTextRefStackUsage();
    00759
    00760     switch (wl) {
    00761       case WL_WARNING: IConsolePrint(CC_WARNING, buf); break;
    00762       default:         IConsoleError(buf); break;
    00763     }
    00764   }
    00765
    00766   bool no_timeout = wl == WL_CRITICAL;
    00767
    00768   if (_settings_client.gui.errmsg_duration == 0 && !no_timeout) return;
    00769
    00770   DeleteWindowById(WC_ERRMSG, 0);
    00771
    00772   Point pt = {x, y};
    00773   new ErrmsgWindow(pt, summary_msg, detailed_msg, no_timeout, textref_stack_size, textref_stack);
    00774 }
    00775
    00782 void ShowEstimatedCostOrIncome(Money cost, int x, int y)
    00783 {
    00784   StringID msg = STR_MESSAGE_ESTIMATED_COST;
    00785
    00786   if (cost < 0) {
    00787     cost = -cost;
    00788     msg = STR_MESSAGE_ESTIMATED_INCOME;
    00789   }
    00790   SetDParam(0, cost);
    00791   ShowErrorMessage(msg, INVALID_STRING_ID, WL_INFO, x, y);
    00792 }
    00793
    00801 void ShowCostOrIncomeAnimation(int x, int y, int z, Money cost)
    00802 {
    00803   Point pt = RemapCoords(x, y, z);
    00804   StringID msg = STR_INCOME_FLOAT_COST;
    00805
    00806   if (cost < 0) {
    00807     cost = -cost;
    00808     msg = STR_INCOME_FLOAT_INCOME;
    00809   }
    00810   SetDParam(0, cost);
    00811   AddTextEffect(msg, pt.x, pt.y, DAY_TICKS, TE_RISING);
    00812 }
    00813
    00821 void ShowFeederIncomeAnimation(int x, int y, int z, Money cost)
    00822 {
    00823   Point pt = RemapCoords(x, y, z);
    00824
    00825   SetDParam(0, cost);
    00826   AddTextEffect(STR_FEEDER, pt.x, pt.y, DAY_TICKS, TE_RISING);
    00827 }
    00828
    00838 TextEffectID ShowFillingPercent(int x, int y, int z, uint8 percent, StringID string)
    00839 {
    00840   Point pt = RemapCoords(x, y, z);
    00841
    00842   assert(string != STR_NULL);
    00843
    00844   SetDParam(0, percent);
    00845   return AddTextEffect(string, pt.x, pt.y, 0, TE_STATIC);
    00846 }
    00847
    00853 void UpdateFillingPercent(TextEffectID te_id, uint8 percent, StringID string)
    00854 {
    00855   assert(string != STR_NULL);
    00856
    00857   SetDParam(0, percent);
    00858   UpdateTextEffect(te_id, string);
    00859 }
    00860
    00865 void HideFillingPercent(TextEffectID *te_id)
    00866 {
    00867   if (*te_id == INVALID_TE_ID) return;
    00868
    00869   RemoveTextEffect(*te_id);
    00870   *te_id = INVALID_TE_ID;
    00871 }
    00872
    00873 static const NWidgetPart _nested_tooltips_widgets[] = {
    00874   NWidget(WWT_PANEL, COLOUR_GREY, 0), SetMinimalSize(200, 32), EndContainer(),
    00875 };
    00876
    00877 static const WindowDesc _tool_tips_desc(
    00878   WDP_MANUAL, 0, 0, // Coordinates and sizes are not used,
    00879   WC_TOOLTIPS, WC_NONE,
    00880   0,
    00881   _nested_tooltips_widgets, lengthof(_nested_tooltips_widgets)
    00882 );
    00883
    00885 struct TooltipsWindow : public Window
    00886 {
    00887   StringID string_id;
    00888   byte paramcount;
    00889   uint64 params[5];
    00890   TooltipCloseCondition close_cond;
    00891
    00892   TooltipsWindow(Window *parent, StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_tooltip) : Window()
    00893   {
    00894     this->parent = parent;
    00895     this->string_id = str;
    00896     assert_compile(sizeof(this->params[0]) == sizeof(params[0]));
    00897     assert(paramcount <= lengthof(this->params));
    00898     memcpy(this->params, params, sizeof(this->params[0]) * paramcount);
    00899     this->paramcount = paramcount;
    00900     this->close_cond = close_tooltip;
    00901
    00902     this->InitNested(&_tool_tips_desc);
    00903
    00904     this->flags4 &= ~WF_WHITE_BORDER_MASK; // remove white-border from tooltip
    00905   }
    00906
    00907   virtual Point OnInitialPosition(const WindowDesc *desc, int16 sm_width, int16 sm_height, int window_number)
    00908   {
    00909     /* Find the free screen space between the main toolbar at the top, and the statusbar at the bottom.
    00910      * Add a fixed distance 2 so the tooltip floats free from both bars.
    00911      */
    00912     int scr_top = GetMainViewTop() + 2;
    00913     int scr_bot = GetMainViewBottom() - 2;
    00914
    00915     Point pt;
    00916
    00917     /* Correctly position the tooltip position, watch out for window and cursor size
    00918      * Clamp value to below main toolbar and above statusbar. If tooltip would
    00919      * go below window, flip it so it is shown above the cursor */
    00920     pt.y = Clamp(_cursor.pos.y + _cursor.size.y + _cursor.offs.y + 5, scr_top, scr_bot);
    00921     if (pt.y + sm_height > scr_bot) pt.y = min(_cursor.pos.y + _cursor.offs.y - 5, scr_bot) - sm_height;
    00922     pt.x = sm_width >= _screen.width ? 0 : Clamp(_cursor.pos.x - (sm_width >> 1), 0, _screen.width - sm_width);
    00923
    00924     return pt;
    00925   }
    00926
    00927   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00928   {
    00929     /* There is only one widget. */
    00930     for (uint i = 0; i != this->paramcount; i++) SetDParam(i, this->params[i]);
    00931
    00932     size->width  = min(GetStringBoundingBox(this->string_id).width, 194);
    00933     size->height = GetStringHeight(this->string_id, size->width);
    00934
    00935     /* Increase slightly to have some space around the box. */
    00936     size->width  += 2 + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
    00937     size->height += 2 + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
    00938   }
    00939
    00940   virtual void DrawWidget(const Rect &r, int widget) const
    00941   {
    00942     /* There is only one widget. */
    00943     GfxFillRect(r.left, r.top, r.right, r.bottom, 0);
    00944     GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, 0x44);
    00945
    00946     for (uint arg = 0; arg < this->paramcount; arg++) {
    00947       SetDParam(arg, this->params[arg]);
    00948     }
    00949     DrawStringMultiLine(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, r.bottom - WD_FRAMERECT_BOTTOM, this->string_id, TC_FROMSTRING, SA_CENTER);
    00950   }
    00951
    00952   virtual void OnMouseLoop()
    00953   {
    00954     /* Always close tooltips when the cursor is not in our window. */
    00955     if (!_cursor.in_window) {
    00956       delete this;
    00957       return;
    00958     }
    00959
    00960     /* We can show tooltips while dragging tools. These are shown as long as
    00961      * we are dragging the tool. Normal tooltips work with hover or rmb. */
    00962     switch (this->close_cond) {
    00963       case TCC_RIGHT_CLICK: if (!_right_button_down) delete this; break;
    00964       case TCC_LEFT_CLICK: if (!_left_button_down) delete this; break;
    00965       case TCC_HOVER: if (!_mouse_hovering) delete this; break;
    00966     }
    00967   }
    00968 };
    00969
    00978 void GuiShowTooltips(Window *parent, StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_tooltip)
    00979 {
    00980   DeleteWindowById(WC_TOOLTIPS, 0);
    00981
    00982   if (str == STR_NULL) return;
    00983
    00984   new TooltipsWindow(parent, str, paramcount, params, close_tooltip);
    00985 }
    00986
    00987 /* Delete a character at the caret position in a text buf.
    00988  * If backspace is set, delete the character before the caret,
    00989  * else delete the character after it. */
    00990 static void DelChar(Textbuf *tb, bool backspace)
    00991 {
    00992   WChar c;
    00993   char *s = tb->buf + tb->caretpos;
    00994
    00995   if (backspace) s = Utf8PrevChar(s);
    00996
    00997   uint16 len = (uint16)Utf8Decode(&c, s);
    00998   uint width = GetCharacterWidth(FS_NORMAL, c);
    00999
    01000   tb->pixels -= width;
    01001   if (backspace) {
    01002     tb->caretpos   -= len;
    01003     tb->caretxoffs -= width;
    01004   }
    01005
    01006   /* Move the remaining characters over the marker */
    01007   memmove(s, s + len, tb->bytes - (s - tb->buf) - len);
    01008   tb->bytes -= len;
    01009   tb->chars--;
    01010 }
    01011
    01019 bool DeleteTextBufferChar(Textbuf *tb, int delmode)
    01020 {
    01021   if (delmode == WKC_BACKSPACE && tb->caretpos != 0) {
    01022     DelChar(tb, true);
    01023     return true;
    01024   } else if (delmode == WKC_DELETE && tb->caretpos < tb->bytes - 1) {
    01025     DelChar(tb, false);
    01026     return true;
    01027   }
    01028
    01029   return false;
    01030 }
    01031
    01036 void DeleteTextBufferAll(Textbuf *tb)
    01037 {
    01038   memset(tb->buf, 0, tb->max_bytes);
    01039   tb->bytes = tb->chars = 1;
    01040   tb->pixels = tb->caretpos = tb->caretxoffs = 0;
    01041 }
    01042
    01051 bool InsertTextBufferChar(Textbuf *tb, WChar key)
    01052 {
    01053   const byte charwidth = GetCharacterWidth(FS_NORMAL, key);
    01054   uint16 len = (uint16)Utf8CharLen(key);
    01055   if (tb->bytes + len <= tb->max_bytes && tb->chars + 1 <= tb->max_chars && (tb->max_pixels == 0 || tb->pixels + charwidth <= tb->max_pixels)) {
    01056     memmove(tb->buf + tb->caretpos + len, tb->buf + tb->caretpos, tb->bytes - tb->caretpos);
    01057     Utf8Encode(tb->buf + tb->caretpos, key);
    01058     tb->chars++;
    01059     tb->bytes  += len;
    01060     tb->pixels += charwidth;
    01061
    01062     tb->caretpos   += len;
    01063     tb->caretxoffs += charwidth;
    01064     return true;
    01065   }
    01066   return false;
    01067 }
    01068
    01076 bool InsertTextBufferClipboard(Textbuf *tb)
    01077 {
    01078   char utf8_buf[512];
    01079
    01080   if (!GetClipboardContents(utf8_buf, lengthof(utf8_buf))) return false;
    01081
    01082   uint16 pixels = 0, bytes = 0, chars = 0;
    01083   WChar c;
    01084   for (const char *ptr = utf8_buf; (c = Utf8Consume(&ptr)) != '\0';) {
    01085     if (!IsPrintable(c)) break;
    01086
    01087     byte len = Utf8CharLen(c);
    01088     if (tb->bytes + bytes + len > tb->max_bytes) break;
    01089     if (tb->chars + chars + 1   > tb->max_chars) break;
    01090
    01091     byte char_pixels = GetCharacterWidth(FS_NORMAL, c);
    01092     if (tb->max_pixels != 0 && pixels + tb->pixels + char_pixels > tb->max_pixels) break;
    01093
    01094     pixels += char_pixels;
    01095     bytes += len;
    01096     chars++;
    01097   }
    01098
    01099   if (bytes == 0) return false;
    01100
    01101   memmove(tb->buf + tb->caretpos + bytes, tb->buf + tb->caretpos, tb->bytes - tb->caretpos);
    01102   memcpy(tb->buf + tb->caretpos, utf8_buf, bytes);
    01103   tb->pixels += pixels;
    01104   tb->caretxoffs += pixels;
    01105
    01106   tb->bytes += bytes;
    01107   tb->chars += chars;
    01108   tb->caretpos += bytes;
    01109   assert(tb->bytes <= tb->max_bytes);
    01110   assert(tb->chars <= tb->max_chars);
    01111   tb->buf[tb->bytes - 1] = '\0'; // terminating zero
    01112
    01113   return true;
    01114 }
    01115
    01123 bool MoveTextBufferPos(Textbuf *tb, int navmode)
    01124 {
    01125   switch (navmode) {
    01126     case WKC_LEFT:
    01127       if (tb->caretpos != 0) {
    01128         WChar c;
    01129         const char *s = Utf8PrevChar(tb->buf + tb->caretpos);
    01130         Utf8Decode(&c, s);
    01131         tb->caretpos    = s - tb->buf; // -= (tb->buf + tb->caretpos - s)
    01132         tb->caretxoffs -= GetCharacterWidth(FS_NORMAL, c);
    01133
    01134         return true;
    01135       }
    01136       break;
    01137
    01138     case WKC_RIGHT:
    01139       if (tb->caretpos < tb->bytes - 1) {
    01140         WChar c;
    01141
    01142         tb->caretpos   += (uint16)Utf8Decode(&c, tb->buf + tb->caretpos);
    01143         tb->caretxoffs += GetCharacterWidth(FS_NORMAL, c);
    01144
    01145         return true;
    01146       }
    01147       break;
    01148
    01149     case WKC_HOME:
    01150       tb->caretpos = 0;
    01151       tb->caretxoffs = 0;
    01152       return true;
    01153
    01154     case WKC_END:
    01155       tb->caretpos = tb->bytes - 1;
    01156       tb->caretxoffs = tb->pixels;
    01157       return true;
    01158
    01159     default:
    01160       break;
    01161   }
    01162
    01163   return false;
    01164 }
    01165
    01176 void InitializeTextBuffer(Textbuf *tb, char *buf, uint16 max_bytes, uint16 max_pixels)
    01177 {
    01178   InitializeTextBuffer(tb, buf, max_bytes, max_bytes, max_pixels);
    01179 }
    01180
    01192 void InitializeTextBuffer(Textbuf *tb, char *buf, uint16 max_bytes, uint16 max_chars, uint16 max_pixels)
    01193 {
    01194   assert(max_bytes != 0);
    01195   assert(max_chars != 0);
    01196
    01197   tb->buf        = buf;
    01198   tb->max_bytes  = max_bytes;
    01199   tb->max_chars  = max_chars;
    01200   tb->max_pixels = max_pixels;
    01201   tb->caret      = true;
    01202   UpdateTextBufferSize(tb);
    01203 }
    01204
    01211 void UpdateTextBufferSize(Textbuf *tb)
    01212 {
    01213   const char *buf = tb->buf;
    01214
    01215   tb->pixels = 0;
    01216   tb->chars = tb->bytes = 1; // terminating zero
    01217
    01218   WChar c;
    01219   while ((c = Utf8Consume(&buf)) != '\0') {
    01220     tb->pixels += GetCharacterWidth(FS_NORMAL, c);
    01221     tb->bytes += Utf8CharLen(c);
    01222     tb->chars++;
    01223   }
    01224
    01225   assert(tb->bytes <= tb->max_bytes);
    01226   assert(tb->chars <= tb->max_chars);
    01227
    01228   tb->caretpos = tb->bytes - 1;
    01229   tb->caretxoffs = tb->pixels;
    01230 }
    01231
    01232 bool HandleCaret(Textbuf *tb)
    01233 {
    01234   /* caret changed? */
    01235   bool b = !!(_caret_timer & 0x20);
    01236
    01237   if (b != tb->caret) {
    01238     tb->caret = b;
    01239     return true;
    01240   }
    01241   return false;
    01242 }
    01243
    01244 bool QueryString::HasEditBoxFocus(const Window *w, int wid) const
    01245 {
    01246   if (w->IsWidgetGloballyFocused(wid)) return true;
    01247   if (w->window_class != WC_OSK || _focused_window != w->parent) return false;
    01248   return w->parent->nested_focus != NULL && w->parent->nested_focus->type == WWT_EDITBOX;
    01249 }
    01250
    01251 HandleEditBoxResult QueryString::HandleEditBoxKey(Window *w, int wid, uint16 key, uint16 keycode, EventState &state)
    01252 {
    01253   if (!QueryString::HasEditBoxFocus(w, wid)) return HEBR_NOT_FOCUSED;
    01254
    01255   state = ES_HANDLED;
    01256
    01257   switch (keycode) {
    01258     case WKC_ESC: return HEBR_CANCEL;
    01259
    01260     case WKC_RETURN: case WKC_NUM_ENTER: return HEBR_CONFIRM;
    01261
    01262 #ifdef WITH_COCOA
    01263     case (WKC_META | 'V'):
    01264 #endif
    01265     case (WKC_CTRL | 'V'):
    01266       if (InsertTextBufferClipboard(&this->text)) w->SetWidgetDirty(wid);
    01267       break;
    01268
    01269 #ifdef WITH_COCOA
    01270     case (WKC_META | 'U'):
    01271 #endif
    01272     case (WKC_CTRL | 'U'):
    01273       DeleteTextBufferAll(&this->text);
    01274       w->SetWidgetDirty(wid);
    01275       break;
    01276
    01277     case WKC_BACKSPACE: case WKC_DELETE:
    01278       if (DeleteTextBufferChar(&this->text, keycode)) w->SetWidgetDirty(wid);
    01279       break;
    01280
    01281     case WKC_LEFT: case WKC_RIGHT: case WKC_END: case WKC_HOME:
    01282       if (MoveTextBufferPos(&this->text, keycode)) w->SetWidgetDirty(wid);
    01283       break;
    01284
    01285     default:
    01286       if (IsValidChar(key, this->afilter)) {
    01287         if (InsertTextBufferChar(&this->text, key)) w->SetWidgetDirty(wid);
    01288       } else {
    01289         state = ES_NOT_HANDLED;
    01290       }
    01291   }
    01292
    01293   return HEBR_EDITING;
    01294 }
    01295
    01296 void QueryString::HandleEditBox(Window *w, int wid)
    01297 {
    01298   if (HasEditBoxFocus(w, wid) && HandleCaret(&this->text)) {
    01299     w->SetWidgetDirty(wid);
    01300     /* When we're not the OSK, notify 'our' OSK to redraw the widget,
    01301      * so the caret changes appropriately. */
    01302     if (w->window_class != WC_OSK) {
    01303       Window *w_osk = FindWindowById(WC_OSK, 0);
    01304       if (w_osk != NULL && w_osk->parent == w) w_osk->InvalidateData();
    01305     }
    01306   }
    01307 }
    01308
    01309 void QueryString::DrawEditBox(Window *w, int wid)
    01310 {
    01311   const NWidgetBase *wi = w->GetWidget<NWidgetBase>(wid);
    01312
    01313   assert((wi->type & WWT_MASK) == WWT_EDITBOX);
    01314   int left   = wi->pos_x;
    01315   int right  = wi->pos_x + wi->current_x - 1;
    01316   int top    = wi->pos_y;
    01317   int bottom = wi->pos_y + wi->current_y - 1;
    01318
    01319   GfxFillRect(left + 1, top + 1, right - 1, bottom - 1, 215);
    01320
    01321   /* Limit the drawing of the string inside the widget boundaries */
    01322   DrawPixelInfo dpi;
    01323   if (!FillDrawPixelInfo(&dpi, left + WD_FRAMERECT_LEFT, top + WD_FRAMERECT_TOP, right - left - WD_FRAMERECT_RIGHT, bottom - top - WD_FRAMERECT_BOTTOM)) return;
    01324
    01325   DrawPixelInfo *old_dpi = _cur_dpi;
    01326   _cur_dpi = &dpi;
    01327
    01328   /* We will take the current widget length as maximum width, with a small
    01329    * space reserved at the end for the caret to show */
    01330   const Textbuf *tb = &this->text;
    01331   int delta = min(0, (right - left) - tb->pixels - 10);
    01332
    01333   if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs;
    01334
    01335   DrawString(delta, tb->pixels, 0, tb->buf, TC_YELLOW);
    01336   if (HasEditBoxFocus(w, wid) && tb->caret) {
    01337     int caret_width = GetStringBoundingBox("_").width;
    01338     DrawString(tb->caretxoffs + delta, tb->caretxoffs + delta + caret_width, 0, "_", TC_WHITE);
    01339   }
    01340
    01341   _cur_dpi = old_dpi;
    01342 }
    01343
    01344 HandleEditBoxResult QueryStringBaseWindow::HandleEditBoxKey(int wid, uint16 key, uint16 keycode, EventState &state)
    01345 {
    01346   return this->QueryString::HandleEditBoxKey(this, wid, key, keycode, state);
    01347 }
    01348
    01349 void QueryStringBaseWindow::HandleEditBox(int wid)
    01350 {
    01351   this->QueryString::HandleEditBox(this, wid);
    01352 }
    01353
    01354 void QueryStringBaseWindow::DrawEditBox(int wid)
    01355 {
    01356   this->QueryString::DrawEditBox(this, wid);
    01357 }
    01358
    01359 void QueryStringBaseWindow::OnOpenOSKWindow(int wid)
    01360 {
    01361   ShowOnScreenKeyboard(this, wid, 0, 0);
    01362 }
    01363
    01365 enum QueryStringWidgets {
    01366   QUERY_STR_WIDGET_CAPTION,
    01367   QUERY_STR_WIDGET_TEXT,
    01368   QUERY_STR_WIDGET_DEFAULT,
    01369   QUERY_STR_WIDGET_CANCEL,
    01370   QUERY_STR_WIDGET_OK
    01371 };
    01372
    01374 struct QueryStringWindow : public QueryStringBaseWindow
    01375 {
    01376   QueryStringFlags flags;
    01377
    01378   QueryStringWindow(StringID str, StringID caption, uint max_bytes, uint max_chars, uint max_pixels, const WindowDesc *desc, Window *parent, CharSetFilter afilter, QueryStringFlags flags) :
    01379       QueryStringBaseWindow(max_bytes, max_chars)
    01380   {
    01381     GetString(this->edit_str_buf, str, &this->edit_str_buf[max_bytes - 1]);
    01382     str_validate(this->edit_str_buf, &this->edit_str_buf[max_bytes - 1], false, true);
    01383
    01384     /* Make sure the name isn't too long for the text buffer in the number of
    01385      * characters (not bytes). max_chars also counts the '\0' characters. */
    01386     while (Utf8StringLength(this->edit_str_buf) + 1 > max_chars) {
    01387       *Utf8PrevChar(this->edit_str_buf + strlen(this->edit_str_buf)) = '\0';
    01388     }
    01389
    01390     if ((flags & QSF_ACCEPT_UNCHANGED) == 0) this->orig = strdup(this->edit_str_buf);
    01391
    01392     this->caption = caption;
    01393     this->afilter = afilter;
    01394     this->flags = flags;
    01395     InitializeTextBuffer(&this->text, this->edit_str_buf, max_bytes, max_chars, max_pixels);
    01396
    01397     this->InitNested(desc);
    01398
    01399     this->parent = parent;
    01400
    01401     this->SetFocusedWidget(QUERY_STR_WIDGET_TEXT);
    01402     this->LowerWidget(QUERY_STR_WIDGET_TEXT);
    01403   }
    01404
    01405   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    01406   {
    01407     if (widget == QUERY_STR_WIDGET_DEFAULT && (this->flags & QSF_ENABLE_DEFAULT) == 0) {
    01408       /* We don't want this widget to show! */
    01409       fill->width = 0;
    01410       resize->width = 0;
    01411       size->width = 0;
    01412     }
    01413   }
    01414
    01415   virtual void OnPaint()
    01416   {
    01417     this->DrawWidgets();
    01418
    01419     this->DrawEditBox(QUERY_STR_WIDGET_TEXT);
    01420   }
    01421
    01422   virtual void SetStringParameters(int widget) const
    01423   {
    01424     if (widget == QUERY_STR_WIDGET_CAPTION) SetDParam(0, this->caption);
    01425   }
    01426
    01427   void OnOk()
    01428   {
    01429     if (this->orig == NULL || strcmp(this->text.buf, this->orig) != 0) {
    01430       /* If the parent is NULL, the editbox is handled by general function
    01431        * HandleOnEditText */
    01432       if (this->parent != NULL) {
    01433         this->parent->OnQueryTextFinished(this->text.buf);
    01434       } else {
    01435         HandleOnEditText(this->text.buf);
    01436       }
    01437       this->handled = true;
    01438     }
    01439   }
    01440
    01441   virtual void OnClick(Point pt, int widget, int click_count)
    01442   {
    01443     switch (widget) {
    01444       case QUERY_STR_WIDGET_DEFAULT:
    01445         this->text.buf[0] = '\0';
    01446         /* FALL THROUGH */
    01447       case QUERY_STR_WIDGET_OK:
    01448         this->OnOk();
    01449         /* FALL THROUGH */
    01450       case QUERY_STR_WIDGET_CANCEL:
    01451         delete this;
    01452         break;
    01453     }
    01454   }
    01455
    01456   virtual void OnMouseLoop()
    01457   {
    01458     this->HandleEditBox(QUERY_STR_WIDGET_TEXT);
    01459   }
    01460
    01461   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
    01462   {
    01463     EventState state = ES_NOT_HANDLED;
    01464     switch (this->HandleEditBoxKey(QUERY_STR_WIDGET_TEXT, key, keycode, state)) {
    01465       default: NOT_REACHED();
    01466       case HEBR_EDITING: {
    01467         Window *osk = FindWindowById(WC_OSK, 0);
    01468         if (osk != NULL && osk->parent == this) osk->InvalidateData();
    01469         break;
    01470       }
    01471       case HEBR_CONFIRM: this->OnOk();
    01472         /* FALL THROUGH */
    01473       case HEBR_CANCEL: delete this; break; // close window, abandon changes
    01474       case HEBR_NOT_FOCUSED: break;
    01475     }
    01476     return state;
    01477   }
    01478
    01479   virtual void OnOpenOSKWindow(int wid)
    01480   {
    01481     ShowOnScreenKeyboard(this, wid, QUERY_STR_WIDGET_CANCEL, QUERY_STR_WIDGET_OK);
    01482   }
    01483
    01484   ~QueryStringWindow()
    01485   {
    01486     if (!this->handled && this->parent != NULL) {
    01487       Window *parent = this->parent;
    01488       this->parent = NULL; // so parent doesn't try to delete us again
    01489       parent->OnQueryTextFinished(NULL);
    01490     }
    01491   }
    01492 };
    01493
    01494 static const NWidgetPart _nested_query_string_widgets[] = {
    01495   NWidget(NWID_HORIZONTAL),
    01496     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    01497     NWidget(WWT_CAPTION, COLOUR_GREY, QUERY_STR_WIDGET_CAPTION), SetDataTip(STR_WHITE_STRING, STR_NULL),
    01498   EndContainer(),
    01499   NWidget(WWT_PANEL, COLOUR_GREY),
    01500     NWidget(WWT_EDITBOX, COLOUR_GREY, QUERY_STR_WIDGET_TEXT), SetMinimalSize(256, 12), SetFill(1, 1), SetPadding(2, 2, 2, 2),
    01501   EndContainer(),
    01502   NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    01503     NWidget(WWT_TEXTBTN, COLOUR_GREY, QUERY_STR_WIDGET_DEFAULT), SetMinimalSize(87, 12), SetFill(1, 1), SetDataTip(STR_BUTTON_DEFAULT, STR_NULL),
    01504     NWidget(WWT_TEXTBTN, COLOUR_GREY, QUERY_STR_WIDGET_CANCEL), SetMinimalSize(86, 12), SetFill(1, 1), SetDataTip(STR_BUTTON_CANCEL, STR_NULL),
    01505     NWidget(WWT_TEXTBTN, COLOUR_GREY, QUERY_STR_WIDGET_OK), SetMinimalSize(87, 12), SetFill(1, 1), SetDataTip(STR_BUTTON_OK, STR_NULL),
    01506   EndContainer(),
    01507 };
    01508
    01509 static const WindowDesc _query_string_desc(
    01510   WDP_AUTO, 0, 0,
    01511   WC_QUERY_STRING, WC_NONE,
    01512   0,
    01513   _nested_query_string_widgets, lengthof(_nested_query_string_widgets)
    01514 );
    01515
    01527 void ShowQueryString(StringID str, StringID caption, uint maxsize, uint maxwidth, Window *parent, CharSetFilter afilter, QueryStringFlags flags)
    01528 {
    01529   DeleteWindowById(WC_QUERY_STRING, 0);
    01530   new QueryStringWindow(str, caption, ((flags & QSF_LEN_IN_CHARS) ? MAX_CHAR_LENGTH : 1) * maxsize, maxsize, maxwidth, &_query_string_desc, parent, afilter, flags);
    01531 }
    01532
    01533
    01534 enum QueryWidgets {
    01535   QUERY_WIDGET_CAPTION,
    01536   QUERY_WIDGET_TEXT,
    01537   QUERY_WIDGET_NO,
    01538   QUERY_WIDGET_YES
    01539 };
    01540
    01544 struct QueryWindow : public Window {
    01545   QueryCallbackProc *proc;
    01546   uint64 params[10];
    01547   StringID message;
    01548   StringID caption;
    01549
    01550   QueryWindow(const WindowDesc *desc, StringID caption, StringID message, Window *parent, QueryCallbackProc *callback) : Window()
    01551   {
    01552     /* Create a backup of the variadic arguments to strings because it will be
    01553      * overridden pretty often. We will copy these back for drawing */
    01554     CopyOutDParam(this->params, 0, lengthof(this->params));
    01555     this->caption = caption;
    01556     this->message = message;
    01557     this->proc    = callback;
    01558
    01559     this->InitNested(desc);
    01560
    01561     this->parent = parent;
    01562     this->left = parent->left + (parent->width / 2) - (this->width / 2);
    01563     this->top = parent->top + (parent->height / 2) - (this->height / 2);
    01564   }
    01565
    01566   ~QueryWindow()
    01567   {
    01568     if (this->proc != NULL) this->proc(this->parent, false);
    01569   }
    01570
    01571   virtual void SetStringParameters(int widget) const
    01572   {
    01573     switch (widget) {
    01574       case QUERY_WIDGET_CAPTION:
    01575         CopyInDParam(1, this->params, lengthof(this->params));
    01576         SetDParam(0, this->caption);
    01577         break;
    01578
    01579       case QUERY_WIDGET_TEXT:
    01580         CopyInDParam(0, this->params, lengthof(this->params));
    01581         break;
    01582     }
    01583   }
    01584
    01585   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    01586   {
    01587     if (widget != QUERY_WIDGET_TEXT) return;
    01588
    01589     Dimension d = GetStringMultiLineBoundingBox(this->message, *size);
    01590     d.width += padding.width;
    01591     d.height += padding.height;
    01592     *size = d;
    01593   }
    01594
    01595   virtual void DrawWidget(const Rect &r, int widget) const
    01596   {
    01597     if (widget != QUERY_WIDGET_TEXT) return;
    01598
    01599     DrawStringMultiLine(r.left, r.right, r.top, r.bottom, this->message, TC_FROMSTRING, SA_CENTER);
    01600   }
    01601
    01602   virtual void OnClick(Point pt, int widget, int click_count)
    01603   {
    01604     switch (widget) {
    01605       case QUERY_WIDGET_YES: {
    01606         /* in the Generate New World window, clicking 'Yes' causes
    01607          * DeleteNonVitalWindows() to be called - we shouldn't be in a window then */
    01608         QueryCallbackProc *proc = this->proc;
    01609         Window *parent = this->parent;
    01610         /* Prevent the destructor calling the callback function */
    01611         this->proc = NULL;
    01612         delete this;
    01613         if (proc != NULL) {
    01614           proc(parent, true);
    01615           proc = NULL;
    01616         }
    01617         break;
    01618       }
    01619       case QUERY_WIDGET_NO:
    01620         delete this;
    01621         break;
    01622     }
    01623   }
    01624
    01625   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
    01626   {
    01627     /* ESC closes the window, Enter confirms the action */
    01628     switch (keycode) {
    01629       case WKC_RETURN:
    01630       case WKC_NUM_ENTER:
    01631         if (this->proc != NULL) {
    01632           this->proc(this->parent, true);
    01633           this->proc = NULL;
    01634         }
    01635         /* FALL THROUGH */
    01636       case WKC_ESC:
    01637         delete this;
    01638         return ES_HANDLED;
    01639     }
    01640     return ES_NOT_HANDLED;
    01641   }
    01642 };
    01643
    01644 static const NWidgetPart _nested_query_widgets[] = {
    01645   NWidget(NWID_HORIZONTAL),
    01646     NWidget(WWT_CLOSEBOX, COLOUR_RED),
    01647     NWidget(WWT_CAPTION, COLOUR_RED, QUERY_WIDGET_CAPTION), SetDataTip(STR_JUST_STRING, STR_NULL),
    01648   EndContainer(),
    01649   NWidget(WWT_PANEL, COLOUR_RED), SetPIP(8, 15, 8),
    01650     NWidget(WWT_TEXT, COLOUR_RED, QUERY_WIDGET_TEXT), SetMinimalSize(200, 12),
    01651     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(20, 29, 20),
    01652       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, QUERY_WIDGET_NO), SetMinimalSize(71, 12), SetDataTip(STR_QUIT_NO, STR_NULL),
    01653       NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, QUERY_WIDGET_YES), SetMinimalSize(71, 12), SetDataTip(STR_QUIT_YES, STR_NULL),
    01654     EndContainer(),
    01655   EndContainer(),
    01656 };
    01657
    01658 static const WindowDesc _query_desc(
    01659   WDP_CENTER, 0, 0,
    01660   WC_CONFIRM_POPUP_QUERY, WC_NONE,
    01661   WDF_UNCLICK_BUTTONS | WDF_MODAL,
    01662   _nested_query_widgets, lengthof(_nested_query_widgets)
    01663 );
    01664
    01674 void ShowQuery(StringID caption, StringID message, Window *parent, QueryCallbackProc *callback)
    01675 {
    01676   if (parent == NULL) parent = FindWindowById(WC_MAIN_WINDOW, 0);
    01677
    01678   const Window *w;
    01679   FOR_ALL_WINDOWS_FROM_BACK(w) {
    01680     if (w->window_class != WC_CONFIRM_POPUP_QUERY) continue;
    01681
    01682     const QueryWindow *qw = (const QueryWindow *)w;
    01683     if (qw->parent != parent || qw->proc != callback) continue;
    01684
    01685     delete qw;
    01686     break;
    01687   }
    01688
    01689   new QueryWindow(&_query_desc, caption, message, parent, callback);
    01690 }