OpenTTD Source  20241108-master-g80f628063a
date_gui.cpp
Go to the documentation of this file.
1 /*
2  * This file is part of OpenTTD.
3  * 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.
4  * 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.
5  * 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/>.
6  */
7 
10 #include "stdafx.h"
11 #include "strings_func.h"
13 #include "window_func.h"
14 #include "window_gui.h"
15 #include "date_gui.h"
16 #include "core/geometry_func.hpp"
17 #include "dropdown_type.h"
18 #include "dropdown_func.h"
19 
20 #include "widgets/date_widget.h"
21 
22 #include "safeguards.h"
23 
24 
28  void *callback_data;
29  TimerGameEconomy::YearMonthDay date;
32 
44  Window(desc),
47  min_year(std::max(EconomyTime::MIN_YEAR, min_year)),
48  max_year(std::min(EconomyTime::MAX_YEAR, max_year))
49  {
50  assert(this->min_year <= this->max_year);
51  this->parent = parent;
52  this->InitNested(window_number);
53 
54  if (initial_date == 0) initial_date = TimerGameEconomy::date;
55  this->date = TimerGameEconomy::ConvertDateToYMD(initial_date);
56  this->date.year = Clamp(this->date.year, min_year, max_year);
57  }
58 
59  Point OnInitialPosition([[maybe_unused]] int16_t sm_width, [[maybe_unused]] int16_t sm_height, [[maybe_unused]] int window_number) override
60  {
61  Point pt = { this->parent->left + this->parent->width / 2 - sm_width / 2, this->parent->top + this->parent->height / 2 - sm_height / 2 };
62  return pt;
63  }
64 
70  {
71  int selected;
72  DropDownList list;
73 
74  switch (widget) {
75  default: NOT_REACHED();
76 
77  case WID_SD_DAY:
78  for (uint i = 0; i < 31; i++) {
79  list.push_back(MakeDropDownListStringItem(STR_DAY_NUMBER_1ST + i, i + 1));
80  }
81  selected = this->date.day;
82  break;
83 
84  case WID_SD_MONTH:
85  for (uint i = 0; i < 12; i++) {
86  list.push_back(MakeDropDownListStringItem(STR_MONTH_JAN + i, i));
87  }
88  selected = this->date.month;
89  break;
90 
91  case WID_SD_YEAR:
92  for (TimerGameEconomy::Year i = this->min_year; i <= this->max_year; i++) {
93  SetDParam(0, i);
94  list.push_back(MakeDropDownListStringItem(STR_JUST_INT, i.base()));
95  }
96  selected = this->date.year.base();
97  break;
98  }
99 
100  ShowDropDownList(this, std::move(list), selected, widget);
101  }
102 
103  void UpdateWidgetSize(WidgetID widget, Dimension &size, [[maybe_unused]] const Dimension &padding, [[maybe_unused]] Dimension &fill, [[maybe_unused]] Dimension &resize) override
104  {
105  Dimension d = {0, 0};
106  switch (widget) {
107  default: return;
108 
109  case WID_SD_DAY:
110  for (uint i = 0; i < 31; i++) {
111  d = maxdim(d, GetStringBoundingBox(STR_DAY_NUMBER_1ST + i));
112  }
113  break;
114 
115  case WID_SD_MONTH:
116  for (uint i = 0; i < 12; i++) {
117  d = maxdim(d, GetStringBoundingBox(STR_MONTH_JAN + i));
118  }
119  break;
120 
121  case WID_SD_YEAR:
122  SetDParamMaxValue(0, this->max_year);
123  d = maxdim(d, GetStringBoundingBox(STR_JUST_INT));
124  break;
125  }
126 
127  d.width += padding.width;
128  d.height += padding.height;
129  size = d;
130  }
131 
132  void SetStringParameters(WidgetID widget) const override
133  {
134  switch (widget) {
135  case WID_SD_DAY: SetDParam(0, this->date.day - 1 + STR_DAY_NUMBER_1ST); break;
136  case WID_SD_MONTH: SetDParam(0, this->date.month + STR_MONTH_JAN); break;
137  case WID_SD_YEAR: SetDParam(0, this->date.year); break;
138  }
139  }
140 
141  void OnClick([[maybe_unused]] Point pt, WidgetID widget, [[maybe_unused]] int click_count) override
142  {
143  switch (widget) {
144  case WID_SD_DAY:
145  case WID_SD_MONTH:
146  case WID_SD_YEAR:
147  ShowDateDropDown(widget);
148  break;
149 
150  case WID_SD_SET_DATE:
151  if (this->callback != nullptr) this->callback(this, TimerGameEconomy::ConvertYMDToDate(this->date.year, this->date.month, this->date.day), this->callback_data);
152  this->Close();
153  break;
154  }
155  }
156 
157  void OnDropdownSelect(WidgetID widget, int index) override
158  {
159  switch (widget) {
160  case WID_SD_DAY:
161  this->date.day = index;
162  break;
163 
164  case WID_SD_MONTH:
165  this->date.month = index;
166  break;
167 
168  case WID_SD_YEAR:
169  this->date.year = index;
170  break;
171  }
172  this->SetDirty();
173  }
174 };
175 
177 static constexpr NWidgetPart _nested_set_date_widgets[] = {
179  NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
180  NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_DATE_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
181  EndContainer(),
182  NWidget(WWT_PANEL, COLOUR_BROWN),
183  NWidget(NWID_VERTICAL), SetPIP(6, 6, 6),
185  NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_SD_DAY), SetFill(1, 0), SetDataTip(STR_JUST_STRING, STR_DATE_DAY_TOOLTIP),
186  NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_SD_MONTH), SetFill(1, 0), SetDataTip(STR_JUST_STRING, STR_DATE_MONTH_TOOLTIP),
187  NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_SD_YEAR), SetFill(1, 0), SetDataTip(STR_JUST_INT, STR_DATE_YEAR_TOOLTIP),
188  EndContainer(),
190  NWidget(NWID_SPACER), SetFill(1, 0),
191  NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_SD_SET_DATE), SetMinimalSize(100, 12), SetDataTip(STR_DATE_SET_DATE, STR_DATE_SET_DATE_TOOLTIP),
192  NWidget(NWID_SPACER), SetFill(1, 0),
193  EndContainer(),
194  EndContainer(),
195  EndContainer()
196 };
197 
200  WDP_CENTER, nullptr, 0, 0,
202  0,
204 );
205 
216 void ShowSetDateWindow(Window *parent, int window_number, TimerGameEconomy::Date initial_date, TimerGameEconomy::Year min_year, TimerGameEconomy::Year max_year, SetDateCallback *callback, void *callback_data)
217 {
219  new SetDateWindow(_set_date_desc, window_number, parent, initial_date, min_year, max_year, callback, callback_data);
220 }
Storage class for Economy time constants.
static Date date
Current date in days (day counter).
static YearMonthDay ConvertDateToYMD(Date date)
Converts a Date to a Year, Month & Day.
static Date ConvertYMDToDate(Year year, Month month, Day day)
Converts a tuple of Year, Month and Day to a Date.
static constexpr NWidgetPart _nested_set_date_widgets[]
Widgets for the date setting window.
Definition: date_gui.cpp:177
static WindowDesc _set_date_desc(WDP_CENTER, nullptr, 0, 0, WC_SET_DATE, WC_NONE, 0, _nested_set_date_widgets)
Description of the date setting window.
void ShowSetDateWindow(Window *parent, int window_number, TimerGameEconomy::Date initial_date, TimerGameEconomy::Year min_year, TimerGameEconomy::Year max_year, SetDateCallback *callback, void *callback_data)
Create the new 'set date' window.
Definition: date_gui.cpp:216
Functions related to the graphical selection of a date.
void SetDateCallback(const Window *w, TimerGameEconomy::Date date, void *data)
Callback for when a date has been chosen.
Definition: date_gui.h:21
Types related to the date widgets.
@ WID_SD_DAY
Dropdown for the day.
Definition: date_widget.h:15
@ WID_SD_YEAR
Dropdown for the year.
Definition: date_widget.h:17
@ WID_SD_SET_DATE
Actually set the date.
Definition: date_widget.h:18
@ WID_SD_MONTH
Dropdown for the month.
Definition: date_widget.h:16
void ShowDropDownList(Window *w, DropDownList &&list, int selected, WidgetID button, uint width, bool instant_close, bool persist)
Show a drop down list.
Definition: dropdown.cpp:404
Functions related to the drop down widget.
Types related to the drop down widget.
std::vector< std::unique_ptr< const DropDownListItem > > DropDownList
A drop down list is a collection of drop down list items.
Definition: dropdown_type.h:50
Dimension maxdim(const Dimension &d1, const Dimension &d2)
Compute bounding box of both dimensions.
Geometry functions.
Dimension GetStringBoundingBox(std::string_view str, FontSize start_fontsize)
Return the string dimension in pixels.
Definition: gfx.cpp:851
constexpr NWidgetPart SetFill(uint16_t fill_x, uint16_t fill_y)
Widget part function for setting filling.
Definition: widget_type.h:1181
constexpr NWidgetPart SetPIP(uint8_t pre, uint8_t inter, uint8_t post)
Widget part function for setting a pre/inter/post spaces.
Definition: widget_type.h:1260
constexpr NWidgetPart SetDataTip(uint32_t data, StringID tip)
Widget part function for setting the data and tooltip.
Definition: widget_type.h:1202
constexpr NWidgetPart SetMinimalSize(int16_t x, int16_t y)
Widget part function for setting the minimal size.
Definition: widget_type.h:1137
constexpr NWidgetPart NWidget(WidgetType tp, Colours col, WidgetID idx=-1)
Widget part function for starting a new 'real' widget.
Definition: widget_type.h:1309
constexpr NWidgetPart EndContainer()
Widget part function for denoting the end of a container (horizontal, vertical, WWT_FRAME,...
Definition: widget_type.h:1191
void SetDirty() const
Mark entire window as dirty (in need of re-paint)
Definition: window.cpp:940
constexpr T Clamp(const T a, const T min, const T max)
Clamp a value between an interval.
Definition: math_func.hpp:79
A number of safeguards to prevent using unsafe methods.
Definition of base types and functions in a cross-platform compatible way.
void SetDParamMaxValue(size_t n, uint64_t max_value, uint min_count, FontSize size)
Set DParam n to some number that is suitable for string size computations.
Definition: strings.cpp:127
void SetDParam(size_t n, uint64_t v)
Set a string parameter v at index n in the global string parameter array.
Definition: strings.cpp:104
Functions related to OTTD's strings.
Dimensions (a width and height) of a rectangle in 2D.
Partial widget specification to allow NWidgets to be written nested.
Definition: widget_type.h:1075
Coordinates of a point in 2D.
Window to select a date graphically by using dropdowns.
Definition: date_gui.cpp:26
SetDateWindow(WindowDesc &desc, WindowNumber window_number, Window *parent, TimerGameEconomy::Date initial_date, TimerGameEconomy::Year min_year, TimerGameEconomy::Year max_year, SetDateCallback *callback, void *callback_data)
Create the new 'set date' window.
Definition: date_gui.cpp:43
TimerGameEconomy::Year min_year
The minimum year in the year dropdown.
Definition: date_gui.cpp:30
SetDateCallback * callback
Callback to call when a date has been selected.
Definition: date_gui.cpp:27
void * callback_data
Callback data pointer.
Definition: date_gui.cpp:28
void ShowDateDropDown(WidgetID widget)
Helper function to construct the dropdown.
Definition: date_gui.cpp:69
TimerGameEconomy::Year max_year
The maximum year (inclusive) in the year dropdown.
Definition: date_gui.cpp:31
TimerGameEconomy::YearMonthDay date
The currently selected date.
Definition: date_gui.cpp:29
Templated helper to make a type-safe 'typedef' representing a single POD value.
High level window description.
Definition: window_gui.h:159
Data structure for an opened window.
Definition: window_gui.h:273
virtual void Close(int data=0)
Hide the window and all its child windows, and mark them for a later deletion.
Definition: window.cpp:1047
Window * parent
Parent window.
Definition: window_gui.h:328
ResizeInfo resize
Resize information.
Definition: window_gui.h:314
int left
x position of left edge of the window
Definition: window_gui.h:309
int top
y position of top edge of the window
Definition: window_gui.h:310
void InitNested(WindowNumber number=0)
Perform complete initialization of the Window with nested widgets, to allow use.
Definition: window.cpp:1746
int height
Height of the window (number of pixels down in y direction)
Definition: window_gui.h:312
int width
width of the window (number of pixels to the right in x direction)
Definition: window_gui.h:311
WindowNumber window_number
Window number within the window class.
Definition: window_gui.h:302
Definition of the game-economy-timer.
@ NC_EQUALSIZE
Value of the NCB_EQUALSIZE flag.
Definition: widget_type.h:524
@ WWT_PUSHTXTBTN
Normal push-button (no toggle button) with text caption.
Definition: widget_type.h:112
@ NWID_SPACER
Invisible widget that takes some space.
Definition: widget_type.h:79
@ NWID_HORIZONTAL
Horizontal container.
Definition: widget_type.h:75
@ WWT_PANEL
Simple depressed panel.
Definition: widget_type.h:50
@ WWT_CAPTION
Window caption (window title between closebox and stickybox)
Definition: widget_type.h:61
@ NWID_VERTICAL
Vertical container.
Definition: widget_type.h:77
@ WWT_CLOSEBOX
Close box (at top-left of a window)
Definition: widget_type.h:69
@ WWT_DROPDOWN
Drop down list.
Definition: widget_type.h:70
void CloseWindowByClass(WindowClass cls, int data)
Close all windows of a given class.
Definition: window.cpp:1152
Window functions not directly related to making/drawing windows.
Functions, definitions and such used only by the GUI.
@ WDP_CENTER
Center the window.
Definition: window_gui.h:148
int WidgetID
Widget ID.
Definition: window_type.h:18
int32_t WindowNumber
Number to differentiate different windows of the same class.
Definition: window_type.h:737
@ WC_SET_DATE
Set date; Window numbers:
Definition: window_type.h:168
@ WC_NONE
No window, redirects to WC_MAIN_WINDOW.
Definition: window_type.h:45