/* $Id$ */ /* * This file is part of OpenTTD. * 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. * 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. * 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/>. */ /** @file misc_gui.cpp GUIs for a number of misc windows. */ #include "stdafx.h" #include "debug.h" #include "landscape.h" #include "error.h" #include "gui.h" #include "command_func.h" #include "company_func.h" #include "town.h" #include "string_func.h" #include "company_base.h" #include "texteff.hpp" #include "strings_func.h" #include "window_func.h" #include "querystring_gui.h" #include "core/geometry_func.hpp" #include "newgrf_debug.h" #include "widgets/misc_widget.h" #include "table/strings.h" /** * Try to retrive the current clipboard contents. * * @note OS-specific funtion. * @return True if some text could be retrived. */ bool GetClipboardContents(char *buffer, size_t buff_len); int _caret_timer; static const NWidgetPart _nested_land_info_widgets[] = { NWidget(NWID_HORIZONTAL), NWidget(WWT_CLOSEBOX, COLOUR_GREY), NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_LAND_AREA_INFORMATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS), NWidget(WWT_DEBUGBOX, COLOUR_GREY), EndContainer(), NWidget(WWT_PANEL, COLOUR_GREY, WID_LI_BACKGROUND), EndContainer(), }; static const WindowDesc _land_info_desc( WDP_AUTO, 0, 0, WC_LAND_INFO, WC_NONE, 0, _nested_land_info_widgets, lengthof(_nested_land_info_widgets) ); class LandInfoWindow : public Window { enum LandInfoLines { LAND_INFO_CENTERED_LINES = 12, ///< Up to 12 centered lines LAND_INFO_MULTICENTER_LINE = LAND_INFO_CENTERED_LINES, ///< One multicenter line LAND_INFO_LINE_END, }; static const uint LAND_INFO_LINE_BUFF_SIZE = 512; public: char landinfo_data[LAND_INFO_LINE_END][LAND_INFO_LINE_BUFF_SIZE]; TileIndex tile; virtual void DrawWidget(const Rect &r, int widget) const { if (widget != WID_LI_BACKGROUND) return; uint y = r.top + WD_TEXTPANEL_TOP; for (uint i = 0; i < LAND_INFO_CENTERED_LINES; i++) { if (StrEmpty(this->landinfo_data[i])) break; 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); y += FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL; if (i == 0) y += 4; } if (!StrEmpty(this->landinfo_data[LAND_INFO_MULTICENTER_LINE])) { SetDParamStr(0, this->landinfo_data[LAND_INFO_MULTICENTER_LINE]); 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); } } virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) { if (widget != WID_LI_BACKGROUND) return; size->height = WD_TEXTPANEL_TOP + WD_TEXTPANEL_BOTTOM; for (uint i = 0; i < LAND_INFO_CENTERED_LINES; i++) { if (StrEmpty(this->landinfo_data[i])) break; uint width = GetStringBoundingBox(this->landinfo_data[i]).width + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT; size->width = max(size->width, width); size->height += FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL; if (i == 0) size->height += 4; } if (!StrEmpty(this->landinfo_data[LAND_INFO_MULTICENTER_LINE])) { uint width = GetStringBoundingBox(this->landinfo_data[LAND_INFO_MULTICENTER_LINE]).width + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT; size->width = max(size->width, min(300u, width)); SetDParamStr(0, this->landinfo_data[LAND_INFO_MULTICENTER_LINE]); size->height += GetStringHeight(STR_JUST_RAW_STRING, size->width - WD_FRAMETEXT_LEFT - WD_FRAMETEXT_RIGHT); } } LandInfoWindow(TileIndex tile) : Window(), tile(tile) { this->InitNested(&_land_info_desc); #if defined(_DEBUG) # define LANDINFOD_LEVEL 0 #else # define LANDINFOD_LEVEL 1 #endif DEBUG(misc, LANDINFOD_LEVEL, "TILE: %#x (%i,%i)", tile, TileX(tile), TileY(tile)); DEBUG(misc, LANDINFOD_LEVEL, "type_height = %#x", _m[tile].type_height); DEBUG(misc, LANDINFOD_LEVEL, "m1 = %#x", _m[tile].m1); DEBUG(misc, LANDINFOD_LEVEL, "m2 = %#x", _m[tile].m2); DEBUG(misc, LANDINFOD_LEVEL, "m3 = %#x", _m[tile].m3); DEBUG(misc, LANDINFOD_LEVEL, "m4 = %#x", _m[tile].m4); DEBUG(misc, LANDINFOD_LEVEL, "m5 = %#x", _m[tile].m5); DEBUG(misc, LANDINFOD_LEVEL, "m6 = %#x", _m[tile].m6); DEBUG(misc, LANDINFOD_LEVEL, "m7 = %#x", _me[tile].m7); #undef LANDINFOD_LEVEL } virtual void OnInit() { Town *t = ClosestTownFromTile(tile, _settings_game.economy.dist_local_authority); /* Because build_date is not set yet in every TileDesc, we make sure it is empty */ TileDesc td; td.build_date = INVALID_DATE; /* Most tiles have only one owner, but * - drivethrough roadstops can be build on town owned roads (up to 2 owners) and * - roads can have up to four owners (railroad, road, tram, 3rd-roadtype "highway"). */ td.owner_type[0] = STR_LAND_AREA_INFORMATION_OWNER; // At least one owner is displayed, though it might be "N/A". td.owner_type[1] = STR_NULL; // STR_NULL results in skipping the owner td.owner_type[2] = STR_NULL; td.owner_type[3] = STR_NULL; td.owner[0] = OWNER_NONE; td.owner[1] = OWNER_NONE; td.owner[2] = OWNER_NONE; td.owner[3] = OWNER_NONE; td.station_class = STR_NULL; td.station_name = STR_NULL; td.airport_class = STR_NULL; td.airport_name = STR_NULL; td.airport_tile_name = STR_NULL; td.rail_speed = 0; td.grf = NULL; CargoArray acceptance; AddAcceptedCargo(tile, acceptance, NULL); GetTileDesc(tile, &td); uint line_nr = 0; /* Tiletype */ SetDParam(0, td.dparam[0]); GetString(this->landinfo_data[line_nr], td.str, lastof(this->landinfo_data[line_nr])); line_nr++; /* Up to four owners */ for (uint i = 0; i < 4; i++) { if (td.owner_type[i] == STR_NULL) continue; SetDParam(0, STR_LAND_AREA_INFORMATION_OWNER_N_A); if (td.owner[i] != OWNER_NONE && td.owner[i] != OWNER_WATER) GetNameOfOwner(td.owner[i], tile); GetString(this->landinfo_data[line_nr], td.owner_type[i], lastof(this->landinfo_data[line_nr])); line_nr++; } /* Cost to clear/revenue when cleared */ StringID str = STR_LAND_AREA_INFORMATION_COST_TO_CLEAR_N_A; Company *c = Company::GetIfValid(_local_company); if (c != NULL) { Money old_money = c->money; c->money = INT64_MAX; assert(_current_company == _local_company); CommandCost costclear = DoCommand(tile, 0, 0, DC_NONE, CMD_LANDSCAPE_CLEAR); c->money = old_money; if (costclear.Succeeded()) { Money cost = costclear.GetCost(); if (cost < 0) { cost = -cost; // Negate negative cost to a positive revenue str = STR_LAND_AREA_INFORMATION_REVENUE_WHEN_CLEARED; } else { str = STR_LAND_AREA_INFORMATION_COST_TO_CLEAR; } SetDParam(0, cost); } } GetString(this->landinfo_data[line_nr], str, lastof(this->landinfo_data[line_nr])); line_nr++; /* Location */ char tmp[16]; snprintf(tmp, lengthof(tmp), "0x%.4X", tile); SetDParam(0, TileX(tile)); SetDParam(1, TileY(tile)); SetDParam(2, GetTileZ(tile)); SetDParamStr(3, tmp); GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_LANDINFO_COORDS, lastof(this->landinfo_data[line_nr])); line_nr++; /* Local authority */ SetDParam(0, STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY_NONE); if (t != NULL) { SetDParam(0, STR_TOWN_NAME); SetDParam(1, t->index); } GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY, lastof(this->landinfo_data[line_nr])); line_nr++; /* Build date */ if (td.build_date != INVALID_DATE) { SetDParam(0, td.build_date); GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_BUILD_DATE, lastof(this->landinfo_data[line_nr])); line_nr++; } /* Station class */ if (td.station_class != STR_NULL) { SetDParam(0, td.station_class); GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_STATION_CLASS, lastof(this->landinfo_data[line_nr])); line_nr++; } /* Station type name */ if (td.station_name != STR_NULL) { SetDParam(0, td.station_name); GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_STATION_TYPE, lastof(this->landinfo_data[line_nr])); line_nr++; } /* Airport class */ if (td.airport_class != STR_NULL) { SetDParam(0, td.airport_class); GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_AIRPORT_CLASS, lastof(this->landinfo_data[line_nr])); line_nr++; } /* Airport name */ if (td.airport_name != STR_NULL) { SetDParam(0, td.airport_name); GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_AIRPORT_NAME, lastof(this->landinfo_data[line_nr])); line_nr++; } /* Airport tile name */ if (td.airport_tile_name != STR_NULL) { SetDParam(0, td.airport_tile_name); GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_AIRPORTTILE_NAME, lastof(this->landinfo_data[line_nr])); line_nr++; } /* Rail speed limit */ if (td.rail_speed != 0) { SetDParam(0, td.rail_speed); GetString(this->landinfo_data[line_nr], STR_LANG_AREA_INFORMATION_RAIL_SPEED_LIMIT, lastof(this->landinfo_data[line_nr])); line_nr++; } /* NewGRF name */ if (td.grf != NULL) { SetDParamStr(0, td.grf); GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_NEWGRF_NAME, lastof(this->landinfo_data[line_nr])); line_nr++; } assert(line_nr < LAND_INFO_CENTERED_LINES); /* Mark last line empty */ this->landinfo_data[line_nr][0] = '\0'; /* Cargo acceptance is displayed in a extra multiline */ char *strp = GetString(this->landinfo_data[LAND_INFO_MULTICENTER_LINE], STR_LAND_AREA_INFORMATION_CARGO_ACCEPTED, lastof(this->landinfo_data[LAND_INFO_MULTICENTER_LINE])); bool found = false; for (CargoID i = 0; i < NUM_CARGO; ++i) { if (acceptance[i] > 0) { /* Add a comma between each item. */ if (found) { *strp++ = ','; *strp++ = ' '; } found = true; /* If the accepted value is less than 8, show it in 1/8:ths */ if (acceptance[i] < 8) { SetDParam(0, acceptance[i]); SetDParam(1, CargoSpec::Get(i)->name); strp = GetString(strp, STR_LAND_AREA_INFORMATION_CARGO_EIGHTS, lastof(this->landinfo_data[LAND_INFO_MULTICENTER_LINE])); } else { strp = GetString(strp, CargoSpec::Get(i)->name, lastof(this->landinfo_data[LAND_INFO_MULTICENTER_LINE])); } } } if (!found) this->landinfo_data[LAND_INFO_MULTICENTER_LINE][0] = '\0'; } virtual bool IsNewGRFInspectable() const { return ::IsNewGRFInspectable(GetGrfSpecFeature(this->tile), this->tile); } virtual void ShowNewGRFInspectWindow() const { ::ShowNewGRFInspectWindow(GetGrfSpecFeature(this->tile), this->tile); } /** * Some data on this window has become invalid. * @param data Information about the changed data. * @param gui_scope Whether the call is done from GUI scope. You may not do everything when not in GUI scope. See #InvalidateWindowData() for details. */ virtual void OnInvalidateData(int data = 0, bool gui_scope = true) { if (!gui_scope) return; switch (data) { case 1: /* ReInit, "debug" sprite might have changed */ this->ReInit(); break; } } }; /** * Show land information window. * @param tile The tile to show information about. */ void ShowLandInfo(TileIndex tile) { DeleteWindowById(WC_LAND_INFO, 0); new LandInfoWindow(tile); } static const NWidgetPart _nested_about_widgets[] = { NWidget(NWID_HORIZONTAL), NWidget(WWT_CLOSEBOX, COLOUR_GREY), NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_ABOUT_OPENTTD, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS), EndContainer(), NWidget(WWT_PANEL, COLOUR_GREY), SetPIP(4, 2, 4), NWidget(WWT_LABEL, COLOUR_GREY), SetDataTip(STR_ABOUT_ORIGINAL_COPYRIGHT, STR_NULL), NWidget(WWT_LABEL, COLOUR_GREY), SetDataTip(STR_ABOUT_VERSION, STR_NULL), NWidget(WWT_FRAME, COLOUR_GREY), SetPadding(0, 5, 1, 5), NWidget(WWT_EMPTY, INVALID_COLOUR, WID_A_SCROLLING_TEXT), EndContainer(), NWidget(WWT_LABEL, COLOUR_GREY, WID_A_WEBSITE), SetDataTip(STR_BLACK_RAW_STRING, STR_NULL), NWidget(WWT_LABEL, COLOUR_GREY), SetDataTip(STR_ABOUT_COPYRIGHT_OPENTTD, STR_NULL), EndContainer(), }; static const WindowDesc _about_desc( WDP_CENTER, 0, 0, WC_GAME_OPTIONS, WC_NONE, 0, _nested_about_widgets, lengthof(_nested_about_widgets) ); static const char * const _credits[] = { "Original design by Chris Sawyer", "Original graphics by Simon Foster", "", "The OpenTTD team (in alphabetical order):", " Albert Hofkamp (Alberth) - GUI expert", " Jean-Fran\xC3\xA7ois Claeys (Belugas) - GUI, newindustries and more", " Matthijs Kooijman (blathijs) - Pathfinder-guru, pool rework", " Christoph Elsenhans (frosch) - General coding", " Lo\xC3\xAF""c Guilloux (glx) - Windows Expert", " Michael Lutz (michi_cc) - Path based signals", " Owen Rudge (orudge) - Forum host, OS/2 port", " Peter Nelson (peter1138) - Spiritual descendant from NewGRF gods", " Ingo von Borstel (planetmaker) - Support", " Remko Bijker (Rubidium) - Lead coder and way more", " Zden\xC4\x9Bk Sojka (SmatZ) - Bug finder and fixer", " Jos\xC3\xA9 Soler (Terkhen) - General coding", " Thijs Marinussen (Yexo) - AI Framework", "", "Inactive Developers:", " Bjarni Corfitzen (Bjarni) - MacOSX port, coder and vehicles", " Victor Fischer (Celestar) - Programming everywhere you need him to", " Tam\xC3\xA1s Farag\xC3\xB3 (Darkvater) - Ex-Lead coder", " Jaroslav Mazanec (KUDr) - YAPG (Yet Another Pathfinder God) ;)", " Jonathan Coome (Maedhros) - High priest of the NewGRF Temple", " Attila B\xC3\xA1n (MiHaMiX) - Developer WebTranslator 1 and 2", " Christoph Mallon (Tron) - Programmer, code correctness police", "", "Retired Developers:", " Ludvig Strigeus (ludde) - OpenTTD author, main coder (0.1 - 0.3.3)", " Serge Paquet (vurlix) - Assistant project manager, coder (0.1 - 0.3.3)", " Dominik Scherer (dominik81) - Lead programmer, GUI expert (0.3.0 - 0.3.6)", " Benedikt Br\xC3\xBCggemeier (skidd13) - Bug fixer and code reworker", " Patric Stout (TrueBrain) - Programmer (0.3 - pre0.7), sys op (active)", "", "Special thanks go out to:", " Josef Drexler - For his great work on TTDPatch", " Marcin Grzegorczyk - For describing Transport Tycoon Deluxe internals", " Petr Baudi\xC5\xA1 (pasky) - Many patches, newGRF support", " Stefan Mei\xC3\x9Fner (sign_de) - For his work on the console", " Simon Sasburg (HackyKid) - Many bugfixes he has blessed us with", " Cian Duffy (MYOB) - BeOS port / manual writing", " Christian Rosentreter (tokai) - MorphOS / AmigaOS port", " Richard Kempton (richK) - additional airports, initial TGP implementation", "", " Alberto Demichelis - Squirrel scripting language \xC2\xA9 2003-2008", " L. Peter Deutsch - MD5 implementation \xC2\xA9 1999, 2000, 2002", " Michael Blunck - Pre-Signals and Semaphores \xC2\xA9 2003", " George - Canal/Lock graphics \xC2\xA9 2003-2004", " Andrew Parkhouse - River graphics", " David Dallaston - Tram tracks", " Marcin Grzegorczyk - Foundations for Tracks on Slopes", " All Translators - Who made OpenTTD a truly international game", " Bug Reporters - Without whom OpenTTD would still be full of bugs!", "", "", "And last but not least:", " Chris Sawyer - For an amazing game!" }; struct AboutWindow : public Window { int text_position; ///< The top of the scrolling text byte counter; ///< Used to scroll the text every 5 ticks int line_height; ///< The height of a single line static const int num_visible_lines = 19; ///< The number of lines visible simultaneously AboutWindow() : Window() { this->InitNested(&_about_desc, WN_GAME_OPTIONS_ABOUT); this->counter = 5; this->text_position = this->GetWidget<NWidgetBase>(WID_A_SCROLLING_TEXT)->pos_y + this->GetWidget<NWidgetBase>(WID_A_SCROLLING_TEXT)->current_y; } virtual void SetStringParameters(int widget) const { if (widget == WID_A_WEBSITE) SetDParamStr(0, "Website: http://www.openttd.org"); } virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) { if (widget != WID_A_SCROLLING_TEXT) return; this->line_height = FONT_HEIGHT_NORMAL; Dimension d; d.height = this->line_height * num_visible_lines; d.width = 0; for (uint i = 0; i < lengthof(_credits); i++) { d.width = max(d.width, GetStringBoundingBox(_credits[i]).width); } *size = maxdim(*size, d); } virtual void DrawWidget(const Rect &r, int widget) const { if (widget != WID_A_SCROLLING_TEXT) return; int y = this->text_position; /* Show all scrolling _credits */ for (uint i = 0; i < lengthof(_credits); i++) { if (y >= r.top + 7 && y < r.bottom - this->line_height) { DrawString(r.left, r.right, y, _credits[i], TC_BLACK, SA_LEFT | SA_FORCE); } y += this->line_height; } } virtual void OnTick() { if (--this->counter == 0) { this->counter = 5; this->text_position--; /* If the last text has scrolled start a new from the start */ if (this->text_position < (int)(this->GetWidget<NWidgetBase>(WID_A_SCROLLING_TEXT)->pos_y - lengthof(_credits) * this->line_height)) { this->text_position = this->GetWidget<NWidgetBase>(WID_A_SCROLLING_TEXT)->pos_y + this->GetWidget<NWidgetBase>(WID_A_SCROLLING_TEXT)->current_y; } this->SetDirty(); } } }; void ShowAboutWindow() { DeleteWindowByClass(WC_GAME_OPTIONS); new AboutWindow(); } /** * Display estimated costs. * @param cost Estimated cost (or income if negative). * @param x X position of the notification window. * @param y Y position of the notification window. */ void ShowEstimatedCostOrIncome(Money cost, int x, int y) { StringID msg = STR_MESSAGE_ESTIMATED_COST; if (cost < 0) { cost = -cost; msg = STR_MESSAGE_ESTIMATED_INCOME; } SetDParam(0, cost); ShowErrorMessage(msg, INVALID_STRING_ID, WL_INFO, x, y); } /** * Display animated income or costs on the map. * @param x World X position of the animation location. * @param y World Y position of the animation location. * @param z World Z position of the animation location. * @param cost Estimated cost (or income if negative). */ void ShowCostOrIncomeAnimation(int x, int y, int z, Money cost) { Point pt = RemapCoords(x, y, z); StringID msg = STR_INCOME_FLOAT_COST; if (cost < 0) { cost = -cost; msg = STR_INCOME_FLOAT_INCOME; } SetDParam(0, cost); AddTextEffect(msg, pt.x, pt.y, DAY_TICKS, TE_RISING); } /** * Display animated feeder income. * @param x World X position of the animation location. * @param y World Y position of the animation location. * @param z World Z position of the animation location. * @param cost Estimated feeder income. */ void ShowFeederIncomeAnimation(int x, int y, int z, Money cost) { Point pt = RemapCoords(x, y, z); SetDParam(0, cost); AddTextEffect(STR_FEEDER, pt.x, pt.y, DAY_TICKS, TE_RISING); } /** * Display vehicle loading indicators. * @param x World X position of the animation location. * @param y World Y position of the animation location. * @param z World Z position of the animation location. * @param percent Estimated feeder income. * @param string String which is drawn on the map. * @return TextEffectID to be used for future updates of the loading indicators. */ TextEffectID ShowFillingPercent(int x, int y, int z, uint8 percent, StringID string) { Point pt = RemapCoords(x, y, z); assert(string != STR_NULL); SetDParam(0, percent); return AddTextEffect(string, pt.x, pt.y, 0, TE_STATIC); } /** * Update vehicle loading indicators. * @param te_id TextEffectID to be updated. * @param string String wich is printed. */ void UpdateFillingPercent(TextEffectID te_id, uint8 percent, StringID string) { assert(string != STR_NULL); SetDParam(0, percent); UpdateTextEffect(te_id, string); } /** * Hide vehicle loading indicators. * @param *te_id TextEffectID which is supposed to be hidden. */ void HideFillingPercent(TextEffectID *te_id) { if (*te_id == INVALID_TE_ID) return; RemoveTextEffect(*te_id); *te_id = INVALID_TE_ID; } static const NWidgetPart _nested_tooltips_widgets[] = { NWidget(WWT_PANEL, COLOUR_GREY, WID_TT_BACKGROUND), SetMinimalSize(200, 32), EndContainer(), }; static const WindowDesc _tool_tips_desc( WDP_MANUAL, 0, 0, // Coordinates and sizes are not used, WC_TOOLTIPS, WC_NONE, 0, _nested_tooltips_widgets, lengthof(_nested_tooltips_widgets) ); /** Window for displaying a tooltip. */ struct TooltipsWindow : public Window { StringID string_id; ///< String to display as tooltip. byte paramcount; ///< Number of string parameters in #string_id. uint64 params[5]; ///< The string parameters. TooltipCloseCondition close_cond; ///< Condition for closing the window. TooltipsWindow(Window *parent, StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_tooltip) : Window() { this->parent = parent; this->string_id = str; assert_compile(sizeof(this->params[0]) == sizeof(params[0])); assert(paramcount <= lengthof(this->params)); memcpy(this->params, params, sizeof(this->params[0]) * paramcount); this->paramcount = paramcount; this->close_cond = close_tooltip; this->InitNested(&_tool_tips_desc); CLRBITS(this->flags, WF_WHITE_BORDER); } virtual Point OnInitialPosition(const WindowDesc *desc, int16 sm_width, int16 sm_height, int window_number) { /* Find the free screen space between the main toolbar at the top, and the statusbar at the bottom. * Add a fixed distance 2 so the tooltip floats free from both bars. */ int scr_top = GetMainViewTop() + 2; int scr_bot = GetMainViewBottom() - 2; Point pt; /* Correctly position the tooltip position, watch out for window and cursor size * Clamp value to below main toolbar and above statusbar. If tooltip would * go below window, flip it so it is shown above the cursor */ pt.y = Clamp(_cursor.pos.y + _cursor.size.y + _cursor.offs.y + 5, scr_top, scr_bot); if (pt.y + sm_height > scr_bot) pt.y = min(_cursor.pos.y + _cursor.offs.y - 5, scr_bot) - sm_height; pt.x = sm_width >= _screen.width ? 0 : Clamp(_cursor.pos.x - (sm_width >> 1), 0, _screen.width - sm_width); return pt; } virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) { /* There is only one widget. */ for (uint i = 0; i != this->paramcount; i++) SetDParam(i, this->params[i]); size->width = min(GetStringBoundingBox(this->string_id).width, 194); size->height = GetStringHeight(this->string_id, size->width); /* Increase slightly to have some space around the box. */ size->width += 2 + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT; size->height += 2 + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM; } virtual void DrawWidget(const Rect &r, int widget) const { /* There is only one widget. */ GfxFillRect(r.left, r.top, r.right, r.bottom, PC_BLACK); GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_LIGHT_YELLOW); for (uint arg = 0; arg < this->paramcount; arg++) { SetDParam(arg, this->params[arg]); } 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); } virtual void OnMouseLoop() { /* Always close tooltips when the cursor is not in our window. */ if (!_cursor.in_window) { delete this; return; } /* We can show tooltips while dragging tools. These are shown as long as * we are dragging the tool. Normal tooltips work with hover or rmb. */ switch (this->close_cond) { case TCC_RIGHT_CLICK: if (!_right_button_down) delete this; break; case TCC_LEFT_CLICK: if (!_left_button_down) delete this; break; case TCC_HOVER: if (!_mouse_hovering) delete this; break; } } }; /** * Shows a tooltip * @param parent The window this tooltip is related to. * @param str String to be displayed * @param paramcount number of params to deal with * @param params (optional) up to 5 pieces of additional information that may be added to a tooltip * @param use_left_mouse_button close the tooltip when the left (true) or right (false) mousebutton is released */ void GuiShowTooltips(Window *parent, StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_tooltip) { DeleteWindowById(WC_TOOLTIPS, 0); if (str == STR_NULL) return; new TooltipsWindow(parent, str, paramcount, params, close_tooltip); } /* Delete a character at the caret position in a text buf. * If backspace is set, delete the character before the caret, * else delete the character after it. */ static void DelChar(Textbuf *tb, bool backspace) { WChar c; char *s = tb->buf + tb->caretpos; if (backspace) s = Utf8PrevChar(s); uint16 len = (uint16)Utf8Decode(&c, s); uint width = GetCharacterWidth(FS_NORMAL, c); tb->pixels -= width; if (backspace) { tb->caretpos -= len; tb->caretxoffs -= width; } /* Move the remaining characters over the marker */ memmove(s, s + len, tb->bytes - (s - tb->buf) - len); tb->bytes -= len; tb->chars--; } /** * Delete a character from a textbuffer, either with 'Delete' or 'Backspace' * The character is delete from the position the caret is at * @param tb Textbuf type to be changed * @param delmode Type of deletion, either WKC_BACKSPACE or WKC_DELETE * @return Return true on successful change of Textbuf, or false otherwise */ bool DeleteTextBufferChar(Textbuf *tb, int delmode) { if (delmode == WKC_BACKSPACE && tb->caretpos != 0) { DelChar(tb, true); return true; } else if (delmode == WKC_DELETE && tb->caretpos < tb->bytes - 1) { DelChar(tb, false); return true; } return false; } /** * Delete every character in the textbuffer * @param tb Textbuf buffer to be emptied */ void DeleteTextBufferAll(Textbuf *tb) { memset(tb->buf, 0, tb->max_bytes); tb->bytes = tb->chars = 1; tb->pixels = tb->caretpos = tb->caretxoffs = 0; } /** * Insert a character to a textbuffer. If maxwidth of the Textbuf is zero, * we don't care about the visual-length but only about the physical * length of the string * @param tb Textbuf type to be changed * @param key Character to be inserted * @return Return true on successful change of Textbuf, or false otherwise */ bool InsertTextBufferChar(Textbuf *tb, WChar key) { const byte charwidth = GetCharacterWidth(FS_NORMAL, key); uint16 len = (uint16)Utf8CharLen(key); if (tb->bytes + len <= tb->max_bytes && tb->chars + 1 <= tb->max_chars) { memmove(tb->buf + tb->caretpos + len, tb->buf + tb->caretpos, tb->bytes - tb->caretpos); Utf8Encode(tb->buf + tb->caretpos, key); tb->chars++; tb->bytes += len; tb->pixels += charwidth; tb->caretpos += len; tb->caretxoffs += charwidth; return true; } return false; } /** * Insert a chunk of text from the clipboard onto the textbuffer. Get TEXT clipboard * and append this up to the maximum length (either absolute or screenlength). If maxlength * is zero, we don't care about the screenlength but only about the physical length of the string * @param tb Textbuf type to be changed * @return true on successful change of Textbuf, or false otherwise */ bool InsertTextBufferClipboard(Textbuf *tb) { char utf8_buf[512]; if (!GetClipboardContents(utf8_buf, lengthof(utf8_buf))) return false; uint16 pixels = 0, bytes = 0, chars = 0; WChar c; for (const char *ptr = utf8_buf; (c = Utf8Consume(&ptr)) != '\0';) { if (!IsPrintable(c)) break; byte len = Utf8CharLen(c); if (tb->bytes + bytes + len > tb->max_bytes) break; if (tb->chars + chars + 1 > tb->max_chars) break; byte char_pixels = GetCharacterWidth(FS_NORMAL, c); pixels += char_pixels; bytes += len; chars++; } if (bytes == 0) return false; memmove(tb->buf + tb->caretpos + bytes, tb->buf + tb->caretpos, tb->bytes - tb->caretpos); memcpy(tb->buf + tb->caretpos, utf8_buf, bytes); tb->pixels += pixels; tb->caretxoffs += pixels; tb->bytes += bytes; tb->chars += chars; tb->caretpos += bytes; assert(tb->bytes <= tb->max_bytes); assert(tb->chars <= tb->max_chars); tb->buf[tb->bytes - 1] = '\0'; // terminating zero return true; } /** * Handle text navigation with arrow keys left/right. * This defines where the caret will blink and the next characer interaction will occur * @param tb Textbuf type where navigation occurs * @param navmode Direction in which navigation occurs WKC_LEFT, WKC_RIGHT, WKC_END, WKC_HOME * @return Return true on successful change of Textbuf, or false otherwise */ bool MoveTextBufferPos(Textbuf *tb, int navmode) { switch (navmode) { case WKC_LEFT: if (tb->caretpos != 0) { WChar c; const char *s = Utf8PrevChar(tb->buf + tb->caretpos); Utf8Decode(&c, s); tb->caretpos = s - tb->buf; // -= (tb->buf + tb->caretpos - s) tb->caretxoffs -= GetCharacterWidth(FS_NORMAL, c); return true; } break; case WKC_RIGHT: if (tb->caretpos < tb->bytes - 1) { WChar c; tb->caretpos += (uint16)Utf8Decode(&c, tb->buf + tb->caretpos); tb->caretxoffs += GetCharacterWidth(FS_NORMAL, c); return true; } break; case WKC_HOME: tb->caretpos = 0; tb->caretxoffs = 0; return true; case WKC_END: tb->caretpos = tb->bytes - 1; tb->caretxoffs = tb->pixels; return true; default: break; } return false; } /** * Initialize the textbuffer by supplying it the buffer to write into * and the maximum length of this buffer * @param tb Textbuf type which is getting initialized * @param buf the buffer that will be holding the data for input * @param max_bytes maximum size in bytes, including terminating '\0' */ void InitializeTextBuffer(Textbuf *tb, char *buf, uint16 max_bytes) { InitializeTextBuffer(tb, buf, max_bytes, max_bytes); } /** * Initialize the textbuffer by supplying it the buffer to write into * and the maximum length of this buffer * @param tb Textbuf type which is getting initialized * @param buf the buffer that will be holding the data for input * @param max_bytes maximum size in bytes, including terminating '\0' * @param max_chars maximum size in chars, including terminating '\0' */ void InitializeTextBuffer(Textbuf *tb, char *buf, uint16 max_bytes, uint16 max_chars) { assert(max_bytes != 0); assert(max_chars != 0); tb->buf = buf; tb->max_bytes = max_bytes; tb->max_chars = max_chars; tb->caret = true; UpdateTextBufferSize(tb); } /** * Update Textbuf type with its actual physical character and screenlength * Get the count of characters in the string as well as the width in pixels. * Useful when copying in a larger amount of text at once * @param tb Textbuf type which length is calculated */ void UpdateTextBufferSize(Textbuf *tb) { const char *buf = tb->buf; tb->pixels = 0; tb->chars = tb->bytes = 1; // terminating zero WChar c; while ((c = Utf8Consume(&buf)) != '\0') { tb->pixels += GetCharacterWidth(FS_NORMAL, c); tb->bytes += Utf8CharLen(c); tb->chars++; } assert(tb->bytes <= tb->max_bytes); assert(tb->chars <= tb->max_chars); tb->caretpos = tb->bytes - 1; tb->caretxoffs = tb->pixels; } /** * Handle the flashing of the caret. * @param tb The text buffer to handle the caret of. * @return True if the caret state changes. */ bool HandleCaret(Textbuf *tb) { /* caret changed? */ bool b = !!(_caret_timer & 0x20); if (b != tb->caret) { tb->caret = b; return true; } return false; } bool QueryString::HasEditBoxFocus(const Window *w, int wid) const { if (w->IsWidgetGloballyFocused(wid)) return true; if (w->window_class != WC_OSK || _focused_window != w->parent) return false; return w->parent->nested_focus != NULL && w->parent->nested_focus->type == WWT_EDITBOX; } HandleEditBoxResult QueryString::HandleEditBoxKey(Window *w, int wid, uint16 key, uint16 keycode, EventState &state) { if (!QueryString::HasEditBoxFocus(w, wid)) return HEBR_NOT_FOCUSED; state = ES_HANDLED; switch (keycode) { case WKC_ESC: return HEBR_CANCEL; case WKC_RETURN: case WKC_NUM_ENTER: return HEBR_CONFIRM; #ifdef WITH_COCOA case (WKC_META | 'V'): #endif case (WKC_CTRL | 'V'): if (InsertTextBufferClipboard(&this->text)) w->SetWidgetDirty(wid); break; #ifdef WITH_COCOA case (WKC_META | 'U'): #endif case (WKC_CTRL | 'U'): DeleteTextBufferAll(&this->text); w->SetWidgetDirty(wid); break; case WKC_BACKSPACE: case WKC_DELETE: if (DeleteTextBufferChar(&this->text, keycode)) w->SetWidgetDirty(wid); break; case WKC_LEFT: case WKC_RIGHT: case WKC_END: case WKC_HOME: if (MoveTextBufferPos(&this->text, keycode)) w->SetWidgetDirty(wid); break; default: if (IsValidChar(key, this->afilter)) { if (InsertTextBufferChar(&this->text, key)) w->SetWidgetDirty(wid); } else { state = ES_NOT_HANDLED; } } return HEBR_EDITING; } void QueryString::HandleEditBox(Window *w, int wid) { if (HasEditBoxFocus(w, wid) && HandleCaret(&this->text)) { w->SetWidgetDirty(wid); /* When we're not the OSK, notify 'our' OSK to redraw the widget, * so the caret changes appropriately. */ if (w->window_class != WC_OSK) { Window *w_osk = FindWindowById(WC_OSK, 0); if (w_osk != NULL && w_osk->parent == w) w_osk->InvalidateData(); } } } void QueryString::DrawEditBox(Window *w, int wid) { const NWidgetBase *wi = w->GetWidget<NWidgetBase>(wid); assert((wi->type & WWT_MASK) == WWT_EDITBOX); int left = wi->pos_x; int right = wi->pos_x + wi->current_x - 1; int top = wi->pos_y; int bottom = wi->pos_y + wi->current_y - 1; GfxFillRect(left + 1, top + 1, right - 1, bottom - 1, PC_BLACK); /* Limit the drawing of the string inside the widget boundaries */ DrawPixelInfo dpi; if (!FillDrawPixelInfo(&dpi, left + WD_FRAMERECT_LEFT, top + WD_FRAMERECT_TOP, right - left - WD_FRAMERECT_RIGHT, bottom - top - WD_FRAMERECT_BOTTOM)) return; DrawPixelInfo *old_dpi = _cur_dpi; _cur_dpi = &dpi; /* We will take the current widget length as maximum width, with a small * space reserved at the end for the caret to show */ const Textbuf *tb = &this->text; int delta = min(0, (right - left) - tb->pixels - 10); if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs; DrawString(delta, tb->pixels, 0, tb->buf, TC_YELLOW); if (HasEditBoxFocus(w, wid) && tb->caret) { int caret_width = GetStringBoundingBox("_").width; DrawString(tb->caretxoffs + delta, tb->caretxoffs + delta + caret_width, 0, "_", TC_WHITE); } _cur_dpi = old_dpi; } HandleEditBoxResult QueryStringBaseWindow::HandleEditBoxKey(int wid, uint16 key, uint16 keycode, EventState &state) { return this->QueryString::HandleEditBoxKey(this, wid, key, keycode, state); } void QueryStringBaseWindow::HandleEditBox(int wid) { this->QueryString::HandleEditBox(this, wid); } void QueryStringBaseWindow::DrawEditBox(int wid) { this->QueryString::DrawEditBox(this, wid); } void QueryStringBaseWindow::OnOpenOSKWindow(int wid) { ShowOnScreenKeyboard(this, wid, 0, 0); } /** Class for the string query window. */ struct QueryStringWindow : public QueryStringBaseWindow { QueryStringFlags flags; ///< Flags controlling behaviour of the window. QueryStringWindow(StringID str, StringID caption, uint max_bytes, uint max_chars, const WindowDesc *desc, Window *parent, CharSetFilter afilter, QueryStringFlags flags) : QueryStringBaseWindow(max_bytes, max_chars) { GetString(this->edit_str_buf, str, &this->edit_str_buf[max_bytes - 1]); str_validate(this->edit_str_buf, &this->edit_str_buf[max_bytes - 1], SVS_NONE); /* Make sure the name isn't too long for the text buffer in the number of * characters (not bytes). max_chars also counts the '\0' characters. */ while (Utf8StringLength(this->edit_str_buf) + 1 > max_chars) { *Utf8PrevChar(this->edit_str_buf + strlen(this->edit_str_buf)) = '\0'; } if ((flags & QSF_ACCEPT_UNCHANGED) == 0) this->orig = strdup(this->edit_str_buf); this->caption = caption; this->afilter = afilter; this->flags = flags; InitializeTextBuffer(&this->text, this->edit_str_buf, max_bytes, max_chars); this->InitNested(desc, WN_QUERY_STRING); this->parent = parent; this->SetFocusedWidget(WID_QS_TEXT); this->LowerWidget(WID_QS_TEXT); } virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) { if (widget == WID_QS_DEFAULT && (this->flags & QSF_ENABLE_DEFAULT) == 0) { /* We don't want this widget to show! */ fill->width = 0; resize->width = 0; size->width = 0; } } virtual void OnPaint() { this->DrawWidgets(); this->DrawEditBox(WID_QS_TEXT); } virtual void SetStringParameters(int widget) const { if (widget == WID_QS_CAPTION) SetDParam(0, this->caption); } void OnOk() { if (this->orig == NULL || strcmp(this->text.buf, this->orig) != 0) { /* If the parent is NULL, the editbox is handled by general function * HandleOnEditText */ if (this->parent != NULL) { this->parent->OnQueryTextFinished(this->text.buf); } else { HandleOnEditText(this->text.buf); } this->handled = true; } } virtual void OnClick(Point pt, int widget, int click_count) { switch (widget) { case WID_QS_DEFAULT: this->text.buf[0] = '\0'; /* FALL THROUGH */ case WID_QS_OK: this->OnOk(); /* FALL THROUGH */ case WID_QS_CANCEL: delete this; break; } } virtual void OnMouseLoop() { this->HandleEditBox(WID_QS_TEXT); } virtual EventState OnKeyPress(uint16 key, uint16 keycode) { EventState state = ES_NOT_HANDLED; switch (this->HandleEditBoxKey(WID_QS_TEXT, key, keycode, state)) { default: NOT_REACHED(); case HEBR_EDITING: { Window *osk = FindWindowById(WC_OSK, 0); if (osk != NULL && osk->parent == this) osk->InvalidateData(); break; } case HEBR_CONFIRM: this->OnOk(); /* FALL THROUGH */ case HEBR_CANCEL: delete this; break; // close window, abandon changes case HEBR_NOT_FOCUSED: break; } return state; } virtual void OnOpenOSKWindow(int wid) { ShowOnScreenKeyboard(this, wid, WID_QS_CANCEL, WID_QS_OK); } ~QueryStringWindow() { if (!this->handled && this->parent != NULL) { Window *parent = this->parent; this->parent = NULL; // so parent doesn't try to delete us again parent->OnQueryTextFinished(NULL); } } }; static const NWidgetPart _nested_query_string_widgets[] = { NWidget(NWID_HORIZONTAL), NWidget(WWT_CLOSEBOX, COLOUR_GREY), NWidget(WWT_CAPTION, COLOUR_GREY, WID_QS_CAPTION), SetDataTip(STR_WHITE_STRING, STR_NULL), EndContainer(), NWidget(WWT_PANEL, COLOUR_GREY), NWidget(WWT_EDITBOX, COLOUR_GREY, WID_QS_TEXT), SetMinimalSize(256, 12), SetFill(1, 1), SetPadding(2, 2, 2, 2), EndContainer(), NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_QS_DEFAULT), SetMinimalSize(87, 12), SetFill(1, 1), SetDataTip(STR_BUTTON_DEFAULT, STR_NULL), NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_QS_CANCEL), SetMinimalSize(86, 12), SetFill(1, 1), SetDataTip(STR_BUTTON_CANCEL, STR_NULL), NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_QS_OK), SetMinimalSize(87, 12), SetFill(1, 1), SetDataTip(STR_BUTTON_OK, STR_NULL), EndContainer(), }; static const WindowDesc _query_string_desc( WDP_CENTER, 0, 0, WC_QUERY_STRING, WC_NONE, 0, _nested_query_string_widgets, lengthof(_nested_query_string_widgets) ); /** * Show a query popup window with a textbox in it. * @param str StringID for the text shown in the textbox * @param caption StringID of text shown in caption of querywindow * @param maxsize maximum size in bytes or characters (including terminating '\0') depending on flags * @param parent pointer to a Window that will handle the events (ok/cancel) of this * window. If NULL, results are handled by global function HandleOnEditText * @param afilter filters out unwanted character input * @param flags various flags, @see QueryStringFlags */ void ShowQueryString(StringID str, StringID caption, uint maxsize, Window *parent, CharSetFilter afilter, QueryStringFlags flags) { DeleteWindowByClass(WC_QUERY_STRING); new QueryStringWindow(str, caption, ((flags & QSF_LEN_IN_CHARS) ? MAX_CHAR_LENGTH : 1) * maxsize, maxsize, &_query_string_desc, parent, afilter, flags); } /** * Window used for asking the user a YES/NO question. */ struct QueryWindow : public Window { QueryCallbackProc *proc; ///< callback function executed on closing of popup. Window* points to parent, bool is true if 'yes' clicked, false otherwise uint64 params[10]; ///< local copy of _decode_parameters StringID message; ///< message shown for query window StringID caption; ///< title of window QueryWindow(const WindowDesc *desc, StringID caption, StringID message, Window *parent, QueryCallbackProc *callback) : Window() { /* Create a backup of the variadic arguments to strings because it will be * overridden pretty often. We will copy these back for drawing */ CopyOutDParam(this->params, 0, lengthof(this->params)); this->caption = caption; this->message = message; this->proc = callback; this->InitNested(desc, WN_CONFIRM_POPUP_QUERY); this->parent = parent; this->left = parent->left + (parent->width / 2) - (this->width / 2); this->top = parent->top + (parent->height / 2) - (this->height / 2); } ~QueryWindow() { if (this->proc != NULL) this->proc(this->parent, false); } virtual void SetStringParameters(int widget) const { switch (widget) { case WID_Q_CAPTION: CopyInDParam(1, this->params, lengthof(this->params)); SetDParam(0, this->caption); break; case WID_Q_TEXT: CopyInDParam(0, this->params, lengthof(this->params)); break; } } virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) { if (widget != WID_Q_TEXT) return; Dimension d = GetStringMultiLineBoundingBox(this->message, *size); d.width += padding.width; d.height += padding.height; *size = d; } virtual void DrawWidget(const Rect &r, int widget) const { if (widget != WID_Q_TEXT) return; DrawStringMultiLine(r.left, r.right, r.top, r.bottom, this->message, TC_FROMSTRING, SA_CENTER); } virtual void OnClick(Point pt, int widget, int click_count) { switch (widget) { case WID_Q_YES: { /* in the Generate New World window, clicking 'Yes' causes * DeleteNonVitalWindows() to be called - we shouldn't be in a window then */ QueryCallbackProc *proc = this->proc; Window *parent = this->parent; /* Prevent the destructor calling the callback function */ this->proc = NULL; delete this; if (proc != NULL) { proc(parent, true); proc = NULL; } break; } case WID_Q_NO: delete this; break; } } virtual EventState OnKeyPress(uint16 key, uint16 keycode) { /* ESC closes the window, Enter confirms the action */ switch (keycode) { case WKC_RETURN: case WKC_NUM_ENTER: if (this->proc != NULL) { this->proc(this->parent, true); this->proc = NULL; } /* FALL THROUGH */ case WKC_ESC: delete this; return ES_HANDLED; } return ES_NOT_HANDLED; } }; static const NWidgetPart _nested_query_widgets[] = { NWidget(NWID_HORIZONTAL), NWidget(WWT_CLOSEBOX, COLOUR_RED), NWidget(WWT_CAPTION, COLOUR_RED, WID_Q_CAPTION), SetDataTip(STR_JUST_STRING, STR_NULL), EndContainer(), NWidget(WWT_PANEL, COLOUR_RED), SetPIP(8, 15, 8), NWidget(WWT_TEXT, COLOUR_RED, WID_Q_TEXT), SetMinimalSize(200, 12), NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(20, 29, 20), NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_Q_NO), SetMinimalSize(71, 12), SetDataTip(STR_QUIT_NO, STR_NULL), NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_Q_YES), SetMinimalSize(71, 12), SetDataTip(STR_QUIT_YES, STR_NULL), EndContainer(), EndContainer(), }; static const WindowDesc _query_desc( WDP_CENTER, 0, 0, WC_CONFIRM_POPUP_QUERY, WC_NONE, WDF_UNCLICK_BUTTONS | WDF_MODAL, _nested_query_widgets, lengthof(_nested_query_widgets) ); /** * Show a modal confirmation window with standard 'yes' and 'no' buttons * The window is aligned to the centre of its parent. * @param caption string shown as window caption * @param message string that will be shown for the window * @param parent pointer to parent window, if this pointer is NULL the parent becomes * the main window WC_MAIN_WINDOW * @param callback callback function pointer to set in the window descriptor */ void ShowQuery(StringID caption, StringID message, Window *parent, QueryCallbackProc *callback) { if (parent == NULL) parent = FindWindowById(WC_MAIN_WINDOW, 0); const Window *w; FOR_ALL_WINDOWS_FROM_BACK(w) { if (w->window_class != WC_CONFIRM_POPUP_QUERY) continue; const QueryWindow *qw = (const QueryWindow *)w; if (qw->parent != parent || qw->proc != callback) continue; delete qw; break; } new QueryWindow(&_query_desc, caption, message, parent, callback); }