/* $Id$ */ /* * 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 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 "table/strings.h" /** Widgets used by the date window */ enum SetDateWidgets { SDW_DAY, ///< Dropdown for the day SDW_MONTH, ///< Dropdown for the month SDW_YEAR, ///< Dropdown for the year SDW_SET_DATE, ///< Actually set the date }; /** Window to select a date graphically by using dropdowns */ struct SetDateWindow : Window { SetDateCallback *callback; ///< Callback to call when a date has been selected 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(const WindowDesc *desc, WindowNumber window_number, Window *parent, Date initial_date, Year min_year, Year max_year, SetDateCallback *callback) : Window(), callback(callback), min_year(max(MIN_YEAR, min_year)), max_year(min(MAX_YEAR, max_year)) { assert(this->min_year <= this->max_year); this->parent = parent; this->InitNested(desc, 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); } virtual Point OnInitialPosition(const WindowDesc *desc, int16 sm_width, int16 sm_height, int window_number) { 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 = new DropDownList(); switch (widget) { default: NOT_REACHED(); case SDW_DAY: for (uint i = 0; i < 31; i++) { list->push_back(new DropDownListStringItem(STR_ORDINAL_NUMBER_1ST + i, i + 1, false)); } selected = this->date.day; break; case SDW_MONTH: for (uint i = 0; i < 12; i++) { list->push_back(new DropDownListStringItem(STR_MONTH_JAN + i, i, false)); } selected = this->date.month; break; case SDW_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->push_back(item); } selected = this->date.year; break; } ShowDropDownList(this, list, selected, widget); } virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) { Dimension d = {0, 0}; switch (widget) { default: return; case SDW_DAY: for (uint i = 0; i < 31; i++) { d = maxdim(d, GetStringBoundingBox(STR_ORDINAL_NUMBER_1ST + i)); } break; case SDW_MONTH: for (uint i = 0; i < 12; i++) { d = maxdim(d, GetStringBoundingBox(STR_MONTH_JAN + i)); } break; case SDW_YEAR: for (Year i = this->min_year; i <= this->max_year; i++) { SetDParam(0, i); d = maxdim(d, GetStringBoundingBox(STR_JUST_INT)); } break; } d.width += padding.width; d.height += padding.height; *size = d; } virtual void SetStringParameters(int widget) const { switch (widget) { case SDW_DAY: SetDParam(0, this->date.day - 1 + STR_ORDINAL_NUMBER_1ST); break; case SDW_MONTH: SetDParam(0, this->date.month + STR_MONTH_JAN); break; case SDW_YEAR: SetDParam(0, this->date.year); break; } } virtual void OnPaint() { this->DrawWidgets(); } virtual void OnClick(Point pt, int widget, int click_count) { switch (widget) { case SDW_DAY: case SDW_MONTH: case SDW_YEAR: ShowDateDropDown(widget); break; case SDW_SET_DATE: if (this->callback != NULL) this->callback(this->parent, ConvertYMDToDate(this->date.year, this->date.month, this->date.day)); delete this; break; } } virtual void OnDropdownSelect(int widget, int index) { switch (widget) { case SDW_DAY: this->date.day = index; break; case SDW_MONTH: this->date.month = index; break; case SDW_YEAR: this->date.year = index; break; } this->SetDirty(); } }; 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, SDW_DAY), SetFill(1, 0), SetDataTip(STR_JUST_STRING, STR_DATE_DAY_TOOLTIP), NWidget(WWT_DROPDOWN, COLOUR_ORANGE, SDW_MONTH), SetFill(1, 0), SetDataTip(STR_JUST_STRING, STR_DATE_MONTH_TOOLTIP), NWidget(WWT_DROPDOWN, COLOUR_ORANGE, SDW_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, SDW_SET_DATE), SetMinimalSize(100, 12), SetDataTip(STR_DATE_SET_DATE, STR_DATE_SET_DATE_TOOLTIP), NWidget(NWID_SPACER), SetFill(1, 0), EndContainer(), EndContainer(), EndContainer() }; static const WindowDesc _set_date_desc( WDP_CENTER, 0, 0, WC_SET_DATE, WC_NONE, WDF_UNCLICK_BUTTONS, _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 */ void ShowSetDateWindow(Window *parent, int window_number, Date initial_date, Year min_year, Year max_year, SetDateCallback *callback) { DeleteWindowByClass(WC_SET_DATE); new SetDateWindow(&_set_date_desc, window_number, parent, initial_date, min_year, max_year, callback); }