/* $Id$ */ /* * 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 subsidy_gui.cpp GUI for subsidies. */ #include "stdafx.h" #include "station_base.h" #include "industry.h" #include "town.h" #include "economy_func.h" #include "cargotype.h" #include "window_gui.h" #include "strings_func.h" #include "date_func.h" #include "viewport_func.h" #include "gfx_func.h" #include "gui.h" #include "subsidy_func.h" #include "subsidy_base.h" #include "table/strings.h" /** Widget numbers for the subsidy list window. */ enum SubsidyListWidgets { SLW_CLOSEBOX, SLW_CAPTION, SLW_STICKYBOX, SLW_PANEL, SLW_SCROLLBAR, SLW_RESIZEBOX, }; struct SubsidyListWindow : Window { SubsidyListWindow(const WindowDesc *desc, WindowNumber window_number) : Window() { this->InitNested(desc, window_number); this->OnInvalidateData(0); this->vscroll.SetCapacity(this->GetWidget<NWidgetBase>(SLW_PANEL)->current_y / this->resize.step_height); } virtual void OnClick(Point pt, int widget) { if (widget != SLW_PANEL) return; int y = (pt.y - this->GetWidget<NWidgetBase>(SLW_PANEL)->pos_y - WD_FRAMERECT_TOP) / this->resize.step_height; if (!IsInsideMM(y, 0, this->vscroll.GetCapacity())) return; y += this->vscroll.GetPosition(); int num = 0; const Subsidy *s; FOR_ALL_SUBSIDIES(s) { if (!s->IsAwarded()) { y--; if (y == 0) { this->HandleClick(s); return; } num++; } } if (num == 0) { y--; // "None" if (y < 0) return; } y -= 2; // "Services already subsidised:" if (y < 0) return; FOR_ALL_SUBSIDIES(s) { if (s->IsAwarded()) { y--; if (y == 0) { this->HandleClick(s); return; } } } } void HandleClick(const Subsidy *s) { /* determine src coordinate for subsidy and try to scroll to it */ TileIndex xy; switch (s->src_type) { case ST_INDUSTRY: xy = Industry::Get(s->src)->xy; break; case ST_TOWN: xy = Town::Get(s->src)->xy; break; default: NOT_REACHED(); } if (_ctrl_pressed || !ScrollMainWindowToTile(xy)) { if (_ctrl_pressed) ShowExtraViewPortWindow(xy); /* otherwise determine dst coordinate for subsidy and scroll to it */ switch (s->dst_type) { case ST_INDUSTRY: xy = Industry::Get(s->dst)->xy; break; case ST_TOWN: xy = Town::Get(s->dst)->xy; break; default: NOT_REACHED(); } if (_ctrl_pressed) { ShowExtraViewPortWindow(xy); } else { ScrollMainWindowToTile(xy); } } } virtual void OnPaint() { this->DrawWidgets(); } /** * Count the number of lines in this window. * @return the number of lines */ uint CountLines() { /* Count number of (non) awarded subsidies */ uint num_awarded = 0; uint num_not_awarded = 0; const Subsidy *s; FOR_ALL_SUBSIDIES(s) { if (!s->IsAwarded()) { num_not_awarded++; } else { num_awarded++; } } /* Count the 'none' lines */ if (num_awarded == 0) num_awarded = 1; if (num_not_awarded == 0) num_not_awarded = 1; /* Offered, accepted and an empty line before the accepted ones. */ return 3 + num_awarded + num_not_awarded; } virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *resize) { if (widget != SLW_PANEL) return; Dimension d = maxdim(GetStringBoundingBox(STR_SUBSIDIES_OFFERED_TITLE), GetStringBoundingBox(STR_SUBSIDIES_SUBSIDISED_TITLE)); resize->height = d.height; d.height *= 5; d.width += padding.width + WD_FRAMERECT_RIGHT + WD_FRAMERECT_LEFT; d.height += padding.height + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM; *size = maxdim(*size, d); } virtual void DrawWidget(const Rect &r, int widget) const { if (widget != SLW_PANEL) return; YearMonthDay ymd; ConvertDateToYMD(_date, &ymd); int right = r.right - WD_FRAMERECT_RIGHT; int y = r.top + WD_FRAMERECT_TOP; int x = r.left + WD_FRAMERECT_LEFT; int pos = -this->vscroll.GetPosition(); const int cap = this->vscroll.GetCapacity(); /* Section for drawing the offered subisidies */ if (IsInsideMM(pos, 0, cap)) DrawString(x, right, y + pos * FONT_HEIGHT_NORMAL, STR_SUBSIDIES_OFFERED_TITLE); pos++; uint num = 0; const Subsidy *s; FOR_ALL_SUBSIDIES(s) { if (!s->IsAwarded()) { if (IsInsideMM(pos, 0, cap)) { /* Displays the two offered towns */ SetupSubsidyDecodeParam(s, 1); SetDParam(7, _date - ymd.day + s->remaining * 32); DrawString(x, right, y + pos * FONT_HEIGHT_NORMAL, STR_SUBSIDIES_OFFERED_FROM_TO); } pos++; num++; } } if (num == 0) { if (IsInsideMM(pos, 0, cap)) DrawString(x, right, y + pos * FONT_HEIGHT_NORMAL, STR_SUBSIDIES_NONE); pos++; } /* Section for drawing the already granted subisidies */ pos++; if (IsInsideMM(pos, 0, cap)) DrawString(x, right, y + pos * FONT_HEIGHT_NORMAL, STR_SUBSIDIES_SUBSIDISED_TITLE); pos++; num = 0; FOR_ALL_SUBSIDIES(s) { if (s->IsAwarded()) { if (IsInsideMM(pos, 0, cap)) { SetupSubsidyDecodeParam(s, 1); SetDParam(7, s->awarded); SetDParam(8, _date - ymd.day + s->remaining * 32); /* Displays the two connected stations */ DrawString(x, right, y + pos * FONT_HEIGHT_NORMAL, STR_SUBSIDIES_SUBSIDISED_FROM_TO); } pos++; num++; } } if (num == 0) { if (IsInsideMM(pos, 0, cap)) DrawString(x, right, y + pos * FONT_HEIGHT_NORMAL, STR_SUBSIDIES_NONE); pos++; } } virtual void OnResize(Point delta) { this->vscroll.UpdateCapacity(delta.y / (int)this->resize.step_height); } virtual void OnInvalidateData(int data) { this->vscroll.SetCount(this->CountLines()); } }; static const NWidgetPart _nested_subsidies_list_widgets[] = { NWidget(NWID_HORIZONTAL), NWidget(WWT_CLOSEBOX, COLOUR_BROWN, SLW_CLOSEBOX), NWidget(WWT_CAPTION, COLOUR_BROWN, SLW_CAPTION), SetDataTip(STR_SUBSIDIES_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS), NWidget(WWT_STICKYBOX, COLOUR_BROWN, SLW_STICKYBOX), EndContainer(), NWidget(NWID_HORIZONTAL), NWidget(WWT_PANEL, COLOUR_BROWN, SLW_PANEL), SetDataTip(0x0, STR_SUBSIDIES_TOOLTIP_CLICK_ON_SERVICE_TO_CENTER), SetResize(1, 1), EndContainer(), NWidget(NWID_VERTICAL), NWidget(WWT_SCROLLBAR, COLOUR_BROWN, SLW_SCROLLBAR), NWidget(WWT_RESIZEBOX, COLOUR_BROWN, SLW_RESIZEBOX), EndContainer(), EndContainer(), }; static const WindowDesc _subsidies_list_desc( WDP_AUTO, WDP_AUTO, 320, 127, 500, 127, WC_SUBSIDIES_LIST, WC_NONE, WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_STICKY_BUTTON | WDF_RESIZABLE, NULL, _nested_subsidies_list_widgets, lengthof(_nested_subsidies_list_widgets) ); void ShowSubsidiesList() { AllocateWindowDescFront<SubsidyListWindow>(&_subsidies_list_desc, 0); }