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OpenTTD-patches/src/misc_gui.cpp

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/*
* 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 "zoom_func.h"
#include "guitimer_func.h"
#include "viewport_func.h"
#include "rev.h"
#include "widgets/misc_widget.h"
#include "table/strings.h"
#include <sstream>
#include <iomanip>
#include "safeguards.h"
/** Method to open the OSK. */
enum OskActivation {
OSKA_DISABLED, ///< The OSK shall not be activated at all.
OSKA_DOUBLE_CLICK, ///< Double click on the edit box opens OSK.
OSKA_SINGLE_CLICK, ///< Single click after focus click opens OSK.
OSKA_IMMEDIATELY, ///< Focusing click already opens OSK.
};
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_PUSHIMGBTN, COLOUR_GREY, WID_LI_LOCATION), SetMinimalSize(12, 14), SetDataTip(SPR_GOTO_LOCATION, STR_LAND_AREA_INFORMATION_LOCATION_TOOLTIP),
NWidget(WWT_DEBUGBOX, COLOUR_GREY),
EndContainer(),
NWidget(WWT_PANEL, COLOUR_GREY, WID_LI_BACKGROUND), EndContainer(),
};
static WindowDesc _land_info_desc(
WDP_AUTO, "land_info", 0, 0,
WC_LAND_INFO, WC_NONE,
0,
_nested_land_info_widgets, lengthof(_nested_land_info_widgets)
);
class LandInfoWindow : public Window {
StringList landinfo_data; ///< Info lines to show.
std::string cargo_acceptance; ///< Centered multi-line string for cargo acceptance.
public:
TileIndex tile;
void DrawWidget(const Rect &r, int widget) const override
{
if (widget != WID_LI_BACKGROUND) return;
uint y = r.top + WD_TEXTPANEL_TOP;
for (size_t i = 0; i < this->landinfo_data.size(); i++) {
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 (!this->cargo_acceptance.empty()) {
SetDParamStr(0, this->cargo_acceptance);
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);
}
}
void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override
{
if (widget != WID_LI_BACKGROUND) return;
size->height = WD_TEXTPANEL_TOP + WD_TEXTPANEL_BOTTOM;
for (size_t i = 0; i < this->landinfo_data.size(); i++) {
uint width = GetStringBoundingBox(this->landinfo_data[i]).width + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT;
size->width = std::max(size->width, width);
size->height += FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL;
if (i == 0) size->height += 4;
}
if (!this->cargo_acceptance.empty()) {
uint width = GetStringBoundingBox(this->cargo_acceptance).width + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT;
size->width = std::max(size->width, std::min(300u, width));
SetDParamStr(0, cargo_acceptance);
size->height += GetStringHeight(STR_JUST_RAW_STRING, size->width - WD_FRAMETEXT_LEFT - WD_FRAMETEXT_RIGHT);
}
}
LandInfoWindow(TileIndex tile) : Window(&_land_info_desc), tile(tile)
{
this->InitNested();
#if defined(_DEBUG)
# define LANDINFOD_LEVEL 0
#else
# define LANDINFOD_LEVEL 1
#endif
Debug(misc, LANDINFOD_LEVEL, "TILE: {:#x} ({},{})", tile, TileX(tile), TileY(tile));
Debug(misc, LANDINFOD_LEVEL, "type = {:#x}", _m[tile].type);
Debug(misc, LANDINFOD_LEVEL, "height = {:#x}", _m[tile].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}", _me[tile].m6);
Debug(misc, LANDINFOD_LEVEL, "m7 = {:#x}", _me[tile].m7);
Debug(misc, LANDINFOD_LEVEL, "m8 = {:#x}", _me[tile].m8);
#undef LANDINFOD_LEVEL
}
void OnInit() override
{
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.railtype = STR_NULL;
td.rail_speed = 0;
td.roadtype = STR_NULL;
td.road_speed = 0;
td.tramtype = STR_NULL;
td.tram_speed = 0;
td.grf = nullptr;
CargoArray acceptance;
AddAcceptedCargo(tile, acceptance, nullptr);
GetTileDesc(tile, &td);
this->landinfo_data.clear();
/* Tiletype */
SetDParam(0, td.dparam[0]);
this->landinfo_data.push_back(GetString(td.str));
/* 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);
this->landinfo_data.push_back(GetString(td.owner_type[i]));
}
/* 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 != nullptr) {
assert(_current_company == _local_company);
CommandCost costclear = DoCommand(tile, 0, 0, DC_QUERY_COST, CMD_LANDSCAPE_CLEAR);
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);
}
}
this->landinfo_data.push_back(GetString(str));
/* Location */
std::stringstream tile_ss;
tile_ss << "0x" << std::setfill('0') << std::setw(4) << std::hex << std::uppercase << tile; // 0x%.4X
std::string tile_str = tile_ss.str(); // Can't pass it directly to SetDParamStr as the string is only a temporary and would be destructed before the GetString call.
SetDParam(0, TileX(tile));
SetDParam(1, TileY(tile));
SetDParam(2, GetTileZ(tile));
SetDParamStr(3, tile_str);
this->landinfo_data.push_back(GetString(STR_LAND_AREA_INFORMATION_LANDINFO_COORDS));
/* Local authority */
SetDParam(0, STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY_NONE);
if (t != nullptr) {
SetDParam(0, STR_TOWN_NAME);
SetDParam(1, t->index);
}
this->landinfo_data.push_back(GetString(STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY));
/* Build date */
if (td.build_date != INVALID_DATE) {
SetDParam(0, td.build_date);
this->landinfo_data.push_back(GetString(STR_LAND_AREA_INFORMATION_BUILD_DATE));
}
/* Station class */
if (td.station_class != STR_NULL) {
SetDParam(0, td.station_class);
this->landinfo_data.push_back(GetString(STR_LAND_AREA_INFORMATION_STATION_CLASS));
}
/* Station type name */
if (td.station_name != STR_NULL) {
SetDParam(0, td.station_name);
this->landinfo_data.push_back(GetString(STR_LAND_AREA_INFORMATION_STATION_TYPE));
}
/* Airport class */
if (td.airport_class != STR_NULL) {
SetDParam(0, td.airport_class);
this->landinfo_data.push_back(GetString(STR_LAND_AREA_INFORMATION_AIRPORT_CLASS));
}
/* Airport name */
if (td.airport_name != STR_NULL) {
SetDParam(0, td.airport_name);
this->landinfo_data.push_back(GetString(STR_LAND_AREA_INFORMATION_AIRPORT_NAME));
}
/* Airport tile name */
if (td.airport_tile_name != STR_NULL) {
SetDParam(0, td.airport_tile_name);
this->landinfo_data.push_back(GetString(STR_LAND_AREA_INFORMATION_AIRPORTTILE_NAME));
}
/* Rail type name */
if (td.railtype != STR_NULL) {
SetDParam(0, td.railtype);
this->landinfo_data.push_back(GetString(STR_LANG_AREA_INFORMATION_RAIL_TYPE));
}
/* Rail speed limit */
if (td.rail_speed != 0) {
SetDParam(0, td.rail_speed);
this->landinfo_data.push_back(GetString(STR_LANG_AREA_INFORMATION_RAIL_SPEED_LIMIT));
}
/* Road type name */
if (td.roadtype != STR_NULL) {
SetDParam(0, td.roadtype);
this->landinfo_data.push_back(GetString(STR_LANG_AREA_INFORMATION_ROAD_TYPE));
}
/* Road speed limit */
if (td.road_speed != 0) {
SetDParam(0, td.road_speed);
this->landinfo_data.push_back(GetString(STR_LANG_AREA_INFORMATION_ROAD_SPEED_LIMIT));
}
/* Tram type name */
if (td.tramtype != STR_NULL) {
SetDParam(0, td.tramtype);
this->landinfo_data.push_back(GetString(STR_LANG_AREA_INFORMATION_TRAM_TYPE));
}
/* Tram speed limit */
if (td.tram_speed != 0) {
SetDParam(0, td.tram_speed);
this->landinfo_data.push_back(GetString(STR_LANG_AREA_INFORMATION_TRAM_SPEED_LIMIT));
}
/* NewGRF name */
if (td.grf != nullptr) {
SetDParamStr(0, td.grf);
this->landinfo_data.push_back(GetString(STR_LAND_AREA_INFORMATION_NEWGRF_NAME));
}
/* Cargo acceptance is displayed in a extra multiline */
std::stringstream line;
line << GetString(STR_LAND_AREA_INFORMATION_CARGO_ACCEPTED);
bool found = false;
for (CargoID i = 0; i < NUM_CARGO; ++i) {
if (acceptance[i] > 0) {
/* Add a comma between each item. */
if (found) line << ", ";
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);
line << GetString(STR_LAND_AREA_INFORMATION_CARGO_EIGHTS);
} else {
line << GetString(CargoSpec::Get(i)->name);
}
}
}
if (found) {
this->cargo_acceptance = line.str();
} else {
this->cargo_acceptance.clear();
}
}
bool IsNewGRFInspectable() const override
{
return ::IsNewGRFInspectable(GetGrfSpecFeature(this->tile), this->tile);
}
void ShowNewGRFInspectWindow() const override
{
::ShowNewGRFInspectWindow(GetGrfSpecFeature(this->tile), this->tile);
}
void OnClick(Point pt, int widget, int click_count) override
{
switch (widget) {
case WID_LI_LOCATION:
if (_ctrl_pressed) {
ShowExtraViewportWindow(this->tile);
} else {
ScrollMainWindowToTile(this->tile);
}
break;
}
}
/**
* 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.
*/
void OnInvalidateData(int data = 0, bool gui_scope = true) override
{
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)
{
CloseWindowById(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, WID_A_COPYRIGHT), SetDataTip(STR_ABOUT_COPYRIGHT_OPENTTD, STR_NULL),
EndContainer(),
};
static WindowDesc _about_desc(
WDP_CENTER, nullptr, 0, 0,
WC_GAME_OPTIONS, WC_NONE,
0,
_nested_about_widgets, lengthof(_nested_about_widgets)
);
static const char * const _credits[] = {
u8"Original design by Chris Sawyer",
u8"Original graphics by Simon Foster",
u8"",
u8"The OpenTTD team (in alphabetical order):",
u8" Grzegorz Duczy\u0144ski (adf88) - General coding (since 1.7.2)",
u8" Albert Hofkamp (Alberth) - GUI expert (since 0.7)",
u8" Matthijs Kooijman (blathijs) - Pathfinder-guru, Debian port (since 0.3)",
u8" Ulf Hermann (fonsinchen) - Cargo Distribution (since 1.3)",
u8" Christoph Elsenhans (frosch) - General coding (since 0.6)",
u8" Lo\u00efc Guilloux (glx) - General / Windows Expert (since 0.4.5)",
u8" Charles Pigott (LordAro) - General / Correctness police (since 1.9)",
u8" Michael Lutz (michi_cc) - Path based signals (since 0.7)",
u8" Niels Martin Hansen (nielsm) - Music system, general coding (since 1.9)",
u8" Owen Rudge (orudge) - Forum host, OS/2 port (since 0.1)",
u8" Peter Nelson (peter1138) - Spiritual descendant from NewGRF gods (since 0.4.5)",
u8" Ingo von Borstel (planetmaker) - General, Support (since 1.1)",
u8" Remko Bijker (Rubidium) - Lead coder and way more (since 0.4.5)",
u8" Jos\u00e9 Soler (Terkhen) - General coding (since 1.0)",
u8"",
u8"Inactive Developers:",
u8" Jean-Fran\u00e7ois Claeys (Belugas) - GUI, NewGRF and more (0.4.5 - 1.0)",
u8" Bjarni Corfitzen (Bjarni) - MacOSX port, coder and vehicles (0.3 - 0.7)",
u8" Victor Fischer (Celestar) - Programming everywhere you need him to (0.3 - 0.6)",
u8" Jaroslav Mazanec (KUDr) - YAPG (Yet Another Pathfinder God) ;) (0.4.5 - 0.6)",
u8" Jonathan Coome (Maedhros) - High priest of the NewGRF Temple (0.5 - 0.6)",
u8" Attila B\u00e1n (MiHaMiX) - Developer WebTranslator 1 and 2 (0.3 - 0.5)",
u8" Zden\u011bk Sojka (SmatZ) - Bug finder and fixer (0.6 - 1.3)",
u8" Christoph Mallon (Tron) - Programmer, code correctness police (0.3 - 0.5)",
u8" Patric Stout (TrueBrain) - NoAI, NoGo, Network (0.3 - 1.2), sys op (active)",
u8" Thijs Marinussen (Yexo) - AI Framework, General (0.6 - 1.3)",
u8" Leif Linse (Zuu) - AI/Game Script (1.2 - 1.6)",
u8"",
u8"Retired Developers:",
u8" Tam\u00e1s Farag\u00f3 (Darkvater) - Ex-Lead coder (0.3 - 0.5)",
u8" Dominik Scherer (dominik81) - Lead programmer, GUI expert (0.3 - 0.3)",
u8" Emil Djupfeld (egladil) - MacOSX (0.4.5 - 0.6)",
u8" Simon Sasburg (HackyKid) - Many bugfixes (0.4 - 0.4.5)",
u8" Ludvig Strigeus (ludde) - Original author of OpenTTD, main coder (0.1 - 0.3)",
u8" Cian Duffy (MYOB) - BeOS port / manual writing (0.1 - 0.3)",
u8" Petr Baudi\u0161 (pasky) - Many patches, NewGRF support (0.3 - 0.3)",
u8" Benedikt Br\u00fcggemeier (skidd13) - Bug fixer and code reworker (0.6 - 0.7)",
u8" Serge Paquet (vurlix) - 2nd contributor after ludde (0.1 - 0.3)",
u8"",
u8"Special thanks go out to:",
u8" Josef Drexler - For his great work on TTDPatch",
u8" Marcin Grzegorczyk - Track foundations and for describing TTD internals",
u8" Stefan Mei\u00dfner (sign_de) - For his work on the console",
u8" Mike Ragsdale - OpenTTD installer",
u8" Christian Rosentreter (tokai) - MorphOS / AmigaOS port",
u8" Richard Kempton (richK) - additional airports, initial TGP implementation",
u8"",
u8" Alberto Demichelis - Squirrel scripting language \u00a9 2003-2008",
u8" L. Peter Deutsch - MD5 implementation \u00a9 1999, 2000, 2002",
u8" Michael Blunck - Pre-signals and semaphores \u00a9 2003",
u8" George - Canal/Lock graphics \u00a9 2003-2004",
u8" Andrew Parkhouse (andythenorth) - River graphics",
u8" David Dallaston (Pikka) - Tram tracks",
u8" All Translators - Who made OpenTTD a truly international game",
u8" Bug Reporters - Without whom OpenTTD would still be full of bugs!",
u8"",
u8"",
u8"And last but not least:",
u8" Chris Sawyer - For an amazing game!"
};
struct AboutWindow : public Window {
int text_position; ///< The top of the scrolling text
int line_height; ///< The height of a single line
static const int num_visible_lines = 19; ///< The number of lines visible simultaneously
static const uint TIMER_INTERVAL = 2100; ///< Scrolling interval, scaled by line text line height. This value chosen to maintain parity: 2100 / FONT_HEIGHT_NORMAL = 150ms
GUITimer timer;
AboutWindow() : Window(&_about_desc)
{
this->InitNested(WN_GAME_OPTIONS_ABOUT);
this->text_position = this->GetWidget<NWidgetBase>(WID_A_SCROLLING_TEXT)->pos_y + this->GetWidget<NWidgetBase>(WID_A_SCROLLING_TEXT)->current_y;
}
void SetStringParameters(int widget) const override
{
if (widget == WID_A_WEBSITE) SetDParamStr(0, "Website: https://www.openttd.org");
if (widget == WID_A_COPYRIGHT) SetDParamStr(0, _openttd_revision_year);
}
void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override
{
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 = std::max(d.width, GetStringBoundingBox(_credits[i]).width);
}
*size = maxdim(*size, d);
/* Set scroll interval based on required speed. To keep scrolling smooth,
* the interval is adjusted rather than the distance moved. */
this->timer.SetInterval(TIMER_INTERVAL / FONT_HEIGHT_NORMAL);
}
void DrawWidget(const Rect &r, int widget) const override
{
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;
}
}
void OnRealtimeTick(uint delta_ms) override
{
uint count = this->timer.CountElapsed(delta_ms);
if (count > 0) {
this->text_position -= count;
/* 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->SetWidgetDirty(WID_A_SCROLLING_TEXT);
}
}
};
void ShowAboutWindow()
{
CloseWindowByClass(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 transfer Estimated feeder income.
* @param income Real income from goods being delivered to their final destination.
*/
void ShowFeederIncomeAnimation(int x, int y, int z, Money transfer, Money income)
{
Point pt = RemapCoords(x, y, z);
SetDParam(0, transfer);
if (income == 0) {
AddTextEffect(STR_FEEDER, pt.x, pt.y, DAY_TICKS, TE_RISING);
} else {
StringID msg = STR_FEEDER_COST;
if (income < 0) {
income = -income;
msg = STR_FEEDER_INCOME;
}
SetDParam(1, income);
AddTextEffect(msg, 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 which 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 WindowDesc _tool_tips_desc(
WDP_MANUAL, nullptr, 0, 0, // Coordinates and sizes are not used,
WC_TOOLTIPS, WC_NONE,
WDF_NO_FOCUS,
_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(&_tool_tips_desc)
{
this->parent = parent;
this->string_id = str;
static_assert(sizeof(this->params[0]) == sizeof(params[0]));
assert(paramcount <= lengthof(this->params));
if (paramcount > 0) memcpy(this->params, params, sizeof(this->params[0]) * paramcount);
this->paramcount = paramcount;
this->close_cond = close_tooltip;
this->InitNested();
CLRBITS(this->flags, WF_WHITE_BORDER);
}
Point OnInitialPosition(int16 sm_width, int16 sm_height, int window_number) override
{
/* 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.total_size.y + _cursor.total_offs.y + 5, scr_top, scr_bot);
if (pt.y + sm_height > scr_bot) pt.y = std::min(_cursor.pos.y + _cursor.total_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;
}
void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override
{
/* There is only one widget. */
for (uint i = 0; i != this->paramcount; i++) SetDParam(i, this->params[i]);
size->width = std::min<uint>(GetStringBoundingBox(this->string_id).width, ScaleGUITrad(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;
}
void DrawWidget(const Rect &r, int widget) const override
{
/* 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);
}
void OnMouseLoop() override
{
/* Always close tooltips when the cursor is not in our window. */
if (!_cursor.in_window) {
this->Close();
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) this->Close(); break;
case TCC_HOVER: if (!_mouse_hovering) this->Close(); break;
case TCC_NONE: break;
case TCC_EXIT_VIEWPORT: {
Window *w = FindWindowFromPt(_cursor.pos.x, _cursor.pos.y);
if (w == nullptr || IsPtInWindowViewport(w, _cursor.pos.x, _cursor.pos.y) == nullptr) this->Close();
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 close_tooltip when the left (true) or right (false) mouse button is released
*/
void GuiShowTooltips(Window *parent, StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_tooltip)
{
CloseWindowById(WC_TOOLTIPS, 0);
if (str == STR_NULL || !_cursor.in_window) return;
new TooltipsWindow(parent, str, paramcount, params, close_tooltip);
}
void QueryString::HandleEditBox(Window *w, int wid)
{
if (w->IsWidgetGloballyFocused(wid) && this->text.HandleCaret()) {
w->SetWidgetDirty(wid);
/* For the OSK also invalidate the parent window */
if (w->window_class == WC_OSK) w->InvalidateData();
}
}
void QueryString::DrawEditBox(const Window *w, int wid) const
{
const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);
assert((wi->type & WWT_MASK) == WWT_EDITBOX);
bool rtl = _current_text_dir == TD_RTL;
Dimension sprite_size = GetSpriteSize(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT);
int clearbtn_width = sprite_size.width + WD_IMGBTN_LEFT + WD_IMGBTN_RIGHT;
int clearbtn_left = wi->pos_x + (rtl ? 0 : wi->current_x - clearbtn_width);
int clearbtn_right = wi->pos_x + (rtl ? clearbtn_width : wi->current_x) - 1;
int left = wi->pos_x + (rtl ? clearbtn_width : 0);
int right = wi->pos_x + (rtl ? wi->current_x : wi->current_x - clearbtn_width) - 1;
int top = wi->pos_y;
int bottom = wi->pos_y + wi->current_y - 1;
DrawFrameRect(clearbtn_left, top, clearbtn_right, bottom, wi->colour, wi->IsLowered() ? FR_LOWERED : FR_NONE);
DrawSprite(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT, PAL_NONE, clearbtn_left + WD_IMGBTN_LEFT + (wi->IsLowered() ? 1 : 0), (top + bottom - sprite_size.height) / 2 + (wi->IsLowered() ? 1 : 0));
if (this->text.bytes == 1) GfxFillRect(clearbtn_left + 1, top + 1, clearbtn_right - 1, bottom - 1, _colour_gradient[wi->colour & 0xF][2], FILLRECT_CHECKER);
DrawFrameRect(left, top, right, bottom, wi->colour, FR_LOWERED | FR_DARKENED);
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 = std::min(0, (right - left) - tb->pixels - 10);
if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs;
/* If we have a marked area, draw a background highlight. */
if (tb->marklength != 0) GfxFillRect(delta + tb->markxoffs, 0, delta + tb->markxoffs + tb->marklength - 1, bottom - top, PC_GREY);
DrawString(delta, tb->pixels, 0, tb->buf, TC_YELLOW);
bool focussed = w->IsWidgetGloballyFocused(wid) || IsOSKOpenedFor(w, wid);
if (focussed && tb->caret) {
int caret_width = GetStringBoundingBox("_").width;
DrawString(tb->caretxoffs + delta, tb->caretxoffs + delta + caret_width, 0, "_", TC_WHITE);
}
_cur_dpi = old_dpi;
}
/**
* Get the current caret position.
* @param w Window the edit box is in.
* @param wid Widget index.
* @return Top-left location of the caret, relative to the window.
*/
Point QueryString::GetCaretPosition(const Window *w, int wid) const
{
const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);
assert((wi->type & WWT_MASK) == WWT_EDITBOX);
bool rtl = _current_text_dir == TD_RTL;
Dimension sprite_size = GetSpriteSize(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT);
int clearbtn_width = sprite_size.width + WD_IMGBTN_LEFT + WD_IMGBTN_RIGHT;
int left = wi->pos_x + (rtl ? clearbtn_width : 0);
int right = wi->pos_x + (rtl ? wi->current_x : wi->current_x - clearbtn_width) - 1;
/* Clamp caret position to be inside out current width. */
const Textbuf *tb = &this->text;
int delta = std::min(0, (right - left) - tb->pixels - 10);
if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs;
Point pt = {left + WD_FRAMERECT_LEFT + tb->caretxoffs + delta, (int)wi->pos_y + WD_FRAMERECT_TOP};
return pt;
}
/**
* Get the bounding rectangle for a range of the query string.
* @param w Window the edit box is in.
* @param wid Widget index.
* @param from Start of the string range.
* @param to End of the string range.
* @return Rectangle encompassing the string range, relative to the window.
*/
Rect QueryString::GetBoundingRect(const Window *w, int wid, const char *from, const char *to) const
{
const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);
assert((wi->type & WWT_MASK) == WWT_EDITBOX);
bool rtl = _current_text_dir == TD_RTL;
Dimension sprite_size = GetSpriteSize(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT);
int clearbtn_width = sprite_size.width + WD_IMGBTN_LEFT + WD_IMGBTN_RIGHT;
int left = wi->pos_x + (rtl ? clearbtn_width : 0);
int right = wi->pos_x + (rtl ? wi->current_x : wi->current_x - clearbtn_width) - 1;
int top = wi->pos_y + WD_FRAMERECT_TOP;
int bottom = wi->pos_y + wi->current_y - 1 - WD_FRAMERECT_BOTTOM;
/* Clamp caret position to be inside our current width. */
const Textbuf *tb = &this->text;
int delta = std::min(0, (right - left) - tb->pixels - 10);
if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs;
/* Get location of first and last character. */
Point p1 = GetCharPosInString(tb->buf, from, FS_NORMAL);
Point p2 = from != to ? GetCharPosInString(tb->buf, to, FS_NORMAL) : p1;
Rect r = { Clamp(left + p1.x + delta + WD_FRAMERECT_LEFT, left, right), top, Clamp(left + p2.x + delta + WD_FRAMERECT_LEFT, left, right - WD_FRAMERECT_RIGHT), bottom };
return r;
}
/**
* Get the character that is rendered at a position.
* @param w Window the edit box is in.
* @param wid Widget index.
* @param pt Position to test.
* @return Pointer to the character at the position or nullptr if no character is at the position.
*/
const char *QueryString::GetCharAtPosition(const Window *w, int wid, const Point &pt) const
{
const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);
assert((wi->type & WWT_MASK) == WWT_EDITBOX);
bool rtl = _current_text_dir == TD_RTL;
Dimension sprite_size = GetSpriteSize(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT);
int clearbtn_width = sprite_size.width + WD_IMGBTN_LEFT + WD_IMGBTN_RIGHT;
int left = wi->pos_x + (rtl ? clearbtn_width : 0);
int right = wi->pos_x + (rtl ? wi->current_x : wi->current_x - clearbtn_width) - 1;
int top = wi->pos_y + WD_FRAMERECT_TOP;
int bottom = wi->pos_y + wi->current_y - 1 - WD_FRAMERECT_BOTTOM;
if (!IsInsideMM(pt.y, top, bottom)) return nullptr;
/* Clamp caret position to be inside our current width. */
const Textbuf *tb = &this->text;
int delta = std::min(0, (right - left) - tb->pixels - 10);
if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs;
return ::GetCharAtPosition(tb->buf, pt.x - delta - left);
}
void QueryString::ClickEditBox(Window *w, Point pt, int wid, int click_count, bool focus_changed)
{
const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);
assert((wi->type & WWT_MASK) == WWT_EDITBOX);
bool rtl = _current_text_dir == TD_RTL;
int clearbtn_width = GetSpriteSize(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT).width;
int clearbtn_left = wi->pos_x + (rtl ? 0 : wi->current_x - clearbtn_width);
if (IsInsideBS(pt.x, clearbtn_left, clearbtn_width)) {
if (this->text.bytes > 1) {
this->text.DeleteAll();
w->HandleButtonClick(wid);
w->OnEditboxChanged(wid);
}
return;
}
if (w->window_class != WC_OSK && _settings_client.gui.osk_activation != OSKA_DISABLED &&
(!focus_changed || _settings_client.gui.osk_activation == OSKA_IMMEDIATELY) &&
(click_count == 2 || _settings_client.gui.osk_activation != OSKA_DOUBLE_CLICK)) {
/* Open the OSK window */
ShowOnScreenKeyboard(w, wid);
}
}
/** Class for the string query window. */
struct QueryStringWindow : public Window
{
QueryString editbox; ///< Editbox.
QueryStringFlags flags; ///< Flags controlling behaviour of the window.
Dimension warning_size; ///< How much space to use for the warning text
QueryStringWindow(StringID str, StringID caption, uint max_bytes, uint max_chars, WindowDesc *desc, Window *parent, CharSetFilter afilter, QueryStringFlags flags) :
Window(desc), editbox(max_bytes, max_chars)
{
char *last_of = &this->editbox.text.buf[this->editbox.text.max_bytes - 1];
GetString(this->editbox.text.buf, str, last_of);
StrMakeValidInPlace(this->editbox.text.buf, last_of, 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->editbox.text.buf) + 1 > this->editbox.text.max_chars) {
*Utf8PrevChar(this->editbox.text.buf + strlen(this->editbox.text.buf)) = '\0';
}
this->editbox.text.UpdateSize();
if ((flags & QSF_ACCEPT_UNCHANGED) == 0) this->editbox.orig = stredup(this->editbox.text.buf);
this->querystrings[WID_QS_TEXT] = &this->editbox;
this->editbox.caption = caption;
this->editbox.cancel_button = WID_QS_CANCEL;
this->editbox.ok_button = WID_QS_OK;
this->editbox.text.afilter = afilter;
this->flags = flags;
this->InitNested(WN_QUERY_STRING);
this->UpdateWarningStringSize();
this->parent = parent;
this->SetFocusedWidget(WID_QS_TEXT);
}
void UpdateWarningStringSize()
{
if (this->flags & QSF_PASSWORD) {
assert(this->nested_root->smallest_x > 0);
this->warning_size.width = this->nested_root->current_x - (WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT);
this->warning_size.height = GetStringHeight(STR_WARNING_PASSWORD_SECURITY, this->warning_size.width);
this->warning_size.height += WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
} else {
this->warning_size = Dimension{ 0, 0 };
}
this->ReInit();
}
void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override
{
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;
}
if (widget == WID_QS_WARNING) {
*size = this->warning_size;
}
}
void DrawWidget(const Rect &r, int widget) const override
{
if (widget != WID_QS_WARNING) return;
if (this->flags & QSF_PASSWORD) {
DrawStringMultiLine(r.left + WD_FRAMERECT_LEFT + WD_FRAMETEXT_LEFT, r.right - WD_FRAMETEXT_RIGHT - WD_FRAMERECT_RIGHT,
r.top + WD_FRAMERECT_TOP + WD_FRAMETEXT_TOP, r.bottom - WD_FRAMERECT_BOTTOM - WD_FRAMETEXT_BOTTOM,
STR_WARNING_PASSWORD_SECURITY, TC_FROMSTRING, SA_CENTER);
}
}
void SetStringParameters(int widget) const override
{
if (widget == WID_QS_CAPTION) SetDParam(0, this->editbox.caption);
}
void OnOk()
{
if (this->editbox.orig == nullptr || strcmp(this->editbox.text.buf, this->editbox.orig) != 0) {
assert(this->parent != nullptr);
this->parent->OnQueryTextFinished(this->editbox.text.buf);
this->editbox.handled = true;
}
}
void OnClick(Point pt, int widget, int click_count) override
{
switch (widget) {
case WID_QS_DEFAULT:
this->editbox.text.DeleteAll();
FALLTHROUGH;
case WID_QS_OK:
this->OnOk();
FALLTHROUGH;
case WID_QS_CANCEL:
this->Close();
break;
}
}
void Close() override
{
if (!this->editbox.handled && this->parent != nullptr) {
Window *parent = this->parent;
this->parent = nullptr; // so parent doesn't try to close us again
parent->OnQueryTextFinished(nullptr);
}
this->Window::Close();
}
};
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(WWT_PANEL, COLOUR_GREY, WID_QS_WARNING), 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 WindowDesc _query_string_desc(
WDP_CENTER, "query_string", 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.
* @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)
{
assert(parent != nullptr);
CloseWindowByClass(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 #_global_string_params
StringID message; ///< message shown for query window
StringID caption; ///< title of window
QueryWindow(WindowDesc *desc, StringID caption, StringID message, Window *parent, QueryCallbackProc *callback) : Window(desc)
{
/* 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->parent = parent;
this->InitNested(WN_CONFIRM_POPUP_QUERY);
}
void Close() override
{
if (this->proc != nullptr) this->proc(this->parent, false);
this->Window::Close();
}
void FindWindowPlacementAndResize(int def_width, int def_height) override
{
/* Position query window over the calling window, ensuring it's within screen bounds. */
this->left = Clamp(parent->left + (parent->width / 2) - (this->width / 2), 0, _screen.width - this->width);
this->top = Clamp(parent->top + (parent->height / 2) - (this->height / 2), 0, _screen.height - this->height);
this->SetDirty();
}
void SetStringParameters(int widget) const override
{
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;
}
}
void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override
{
if (widget != WID_Q_TEXT) return;
Dimension d = GetStringMultiLineBoundingBox(this->message, *size);
d.width += WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT;
d.height += WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
*size = d;
}
void DrawWidget(const Rect &r, int widget) const override
{
if (widget != WID_Q_TEXT) return;
DrawStringMultiLine(r.left + WD_FRAMETEXT_LEFT, r.right - WD_FRAMETEXT_RIGHT, r.top + WD_FRAMERECT_TOP, r.bottom - WD_FRAMERECT_BOTTOM,
this->message, TC_FROMSTRING, SA_CENTER);
}
void OnClick(Point pt, int widget, int click_count) override
{
switch (widget) {
case WID_Q_YES: {
/* in the Generate New World window, clicking 'Yes' causes
* CloseNonVitalWindows() 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 = nullptr;
this->Close();
if (proc != nullptr) {
proc(parent, true);
proc = nullptr;
}
break;
}
case WID_Q_NO:
this->Close();
break;
}
}
EventState OnKeyPress(WChar key, uint16 keycode) override
{
/* ESC closes the window, Enter confirms the action */
switch (keycode) {
case WKC_RETURN:
case WKC_NUM_ENTER:
if (this->proc != nullptr) {
this->proc(this->parent, true);
this->proc = nullptr;
}
FALLTHROUGH;
case WKC_ESC:
this->Close();
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), SetFill(1, 1), SetDataTip(STR_QUIT_NO, STR_NULL),
NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_Q_YES), SetMinimalSize(71, 12), SetFill(1, 1), SetDataTip(STR_QUIT_YES, STR_NULL),
EndContainer(),
EndContainer(),
};
static WindowDesc _query_desc(
WDP_CENTER, nullptr, 0, 0,
WC_CONFIRM_POPUP_QUERY, WC_NONE,
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 nullptr 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 == nullptr) parent = FindWindowById(WC_MAIN_WINDOW, 0);
for (Window *w : Window::Iterate()) {
if (w->window_class != WC_CONFIRM_POPUP_QUERY) continue;
QueryWindow *qw = dynamic_cast<QueryWindow *>(w);
if (qw->parent != parent || qw->proc != callback) continue;
qw->Close();
break;
}
new QueryWindow(&_query_desc, caption, message, parent, callback);
}
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