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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 date_gui.cpp Graphical selection of a date. */
#include "stdafx.h"
#include "strings_func.h"
#include "date_func.h"
#include "window_func.h"
#include "window_gui.h"
#include "date_gui.h"
#include "core/geometry_func.hpp"
#include "widgets/dropdown_type.h"
#include "widgets/date_widget.h"
#include "safeguards.h"
/** Window to select a date graphically by using dropdowns */
struct SetDateWindow : Window {
SetDateCallback *callback; ///< Callback to call when a date has been selected
void *callback_data; ///< Callback data pointer.
YearMonthDay date; ///< The currently selected date
Year min_year; ///< The minimum year in the year dropdown
Year max_year; ///< The maximum year (inclusive) in the year dropdown
/**
* Create the new 'set date' window
* @param desc the window description
* @param window_number number of the window
* @param parent the parent window, i.e. if this closes we should close too
* @param initial_date the initial date to show
* @param min_year the minimum year to show in the year dropdown
* @param max_year the maximum year (inclusive) to show in the year dropdown
* @param callback the callback to call once a date has been selected
*/
SetDateWindow(WindowDesc *desc, WindowNumber window_number, Window *parent, Date initial_date, Year min_year, Year max_year, SetDateCallback *callback, void *callback_data) :
Window(desc),
callback(callback),
callback_data(callback_data),
min_year(std::max(MIN_YEAR, min_year)),
max_year(std::min(MAX_YEAR, max_year))
{
assert(this->min_year <= this->max_year);
this->parent = parent;
this->InitNested(window_number);
if (initial_date == 0) initial_date = _date;
ConvertDateToYMD(initial_date, &this->date);
this->date.year = Clamp(this->date.year, min_year, max_year);
}
Point OnInitialPosition(int16 sm_width, int16 sm_height, int window_number) override
{
Point pt = { this->parent->left + this->parent->width / 2 - sm_width / 2, this->parent->top + this->parent->height / 2 - sm_height / 2 };
return pt;
}
/**
* Helper function to construct the dropdown.
* @param widget the dropdown widget to create the dropdown for
*/
void ShowDateDropDown(int widget)
{
int selected;
DropDownList list;
switch (widget) {
default: NOT_REACHED();
case WID_SD_DAY:
for (uint i = 0; i < 31; i++) {
list.emplace_back(new DropDownListStringItem(STR_DAY_NUMBER_1ST + i, i + 1, false));
}
selected = this->date.day;
break;
case WID_SD_MONTH:
for (uint i = 0; i < 12; i++) {
list.emplace_back(new DropDownListStringItem(STR_MONTH_JAN + i, i, false));
}
selected = this->date.month;
break;
case WID_SD_YEAR:
for (Year i = this->min_year; i <= this->max_year; i++) {
DropDownListParamStringItem *item = new DropDownListParamStringItem(STR_JUST_INT, i, false);
item->SetParam(0, i);
list.emplace_back(item);
}
selected = this->date.year;
break;
}
ShowDropDownList(this, std::move(list), selected, widget);
}
void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override
{
Dimension d = {0, 0};
switch (widget) {
default: return;
case WID_SD_DAY:
for (uint i = 0; i < 31; i++) {
d = maxdim(d, GetStringBoundingBox(STR_DAY_NUMBER_1ST + i));
}
break;
case WID_SD_MONTH:
for (uint i = 0; i < 12; i++) {
d = maxdim(d, GetStringBoundingBox(STR_MONTH_JAN + i));
}
break;
case WID_SD_YEAR:
SetDParamMaxValue(0, this->max_year);
d = maxdim(d, GetStringBoundingBox(STR_JUST_INT));
break;
}
d.width += padding.width;
d.height += padding.height;
*size = d;
}
void SetStringParameters(int widget) const override
{
switch (widget) {
case WID_SD_DAY: SetDParam(0, this->date.day - 1 + STR_DAY_NUMBER_1ST); break;
case WID_SD_MONTH: SetDParam(0, this->date.month + STR_MONTH_JAN); break;
case WID_SD_YEAR: SetDParam(0, this->date.year); break;
}
}
void OnClick(Point pt, int widget, int click_count) override
{
switch (widget) {
case WID_SD_DAY:
case WID_SD_MONTH:
case WID_SD_YEAR:
ShowDateDropDown(widget);
break;
case WID_SD_SET_DATE:
if (this->callback != nullptr) this->callback(this, ConvertYMDToDate(this->date.year, this->date.month, this->date.day), this->callback_data);
this->Close();
break;
}
}
void OnDropdownSelect(int widget, int index) override
{
switch (widget) {
case WID_SD_DAY:
this->date.day = index;
break;
case WID_SD_MONTH:
this->date.month = index;
break;
case WID_SD_YEAR:
this->date.year = index;
break;
}
this->SetDirty();
}
};
/** Widgets for the date setting window. */
static const NWidgetPart _nested_set_date_widgets[] = {
NWidget(NWID_HORIZONTAL),
NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_DATE_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
EndContainer(),
NWidget(WWT_PANEL, COLOUR_BROWN),
NWidget(NWID_VERTICAL), SetPIP(6, 6, 6),
NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(6, 6, 6),
NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_SD_DAY), SetFill(1, 0), SetDataTip(STR_JUST_STRING, STR_DATE_DAY_TOOLTIP),
NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_SD_MONTH), SetFill(1, 0), SetDataTip(STR_JUST_STRING, STR_DATE_MONTH_TOOLTIP),
NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_SD_YEAR), SetFill(1, 0), SetDataTip(STR_JUST_INT, STR_DATE_YEAR_TOOLTIP),
EndContainer(),
NWidget(NWID_HORIZONTAL),
NWidget(NWID_SPACER), SetFill(1, 0),
NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_SD_SET_DATE), SetMinimalSize(100, 12), SetDataTip(STR_DATE_SET_DATE, STR_DATE_SET_DATE_TOOLTIP),
NWidget(NWID_SPACER), SetFill(1, 0),
EndContainer(),
EndContainer(),
EndContainer()
};
/** Description of the date setting window. */
static WindowDesc _set_date_desc(
WDP_CENTER, nullptr, 0, 0,
WC_SET_DATE, WC_NONE,
0,
_nested_set_date_widgets, lengthof(_nested_set_date_widgets)
);
/**
* Create the new 'set date' window
* @param window_number number for the window
* @param parent the parent window, i.e. if this closes we should close too
* @param initial_date the initial date to show
* @param min_year the minimum year to show in the year dropdown
* @param max_year the maximum year (inclusive) to show in the year dropdown
* @param callback the callback to call once a date has been selected
* @param callback_data extra callback data
*/
void ShowSetDateWindow(Window *parent, int window_number, Date initial_date, Year min_year, Year max_year, SetDateCallback *callback, void *callback_data)
{
CloseWindowByClass(WC_SET_DATE);
new SetDateWindow(&_set_date_desc, window_number, parent, initial_date, min_year, max_year, callback, callback_data);
}
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