graph_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/>.
 */
 
#include "stdafx.h"
#include "graph_gui.h"
#include "window_gui.h"
#include "company_base.h"
#include "company_gui.h"
#include "economy_func.h"
#include "cargotype.h"
#include "strings_func.h"
#include "window_func.h"
#include "date_func.h"
#include "gfx_func.h"
#include "core/geometry_func.hpp"
#include "currency.h"
#include "zoom_func.h"
 
#include "widgets/graph_widget.h"
 
#include "table/strings.h"
#include "table/sprites.h"
#include <math.h>
 
#include "safeguards.h"
 
/* Bitmasks of company and cargo indices that shouldn't be drawn. */
static CompanyMask _legend_excluded_companies;
static CargoTypes _legend_excluded_cargo;
 
/* Apparently these don't play well with enums. */
static const OverflowSafeInt64 INVALID_DATAPOINT(INT64_MAX); // Value used for a datapoint that shouldn't be drawn.
static const uint INVALID_DATAPOINT_POS = UINT_MAX;  // Used to determine if the previous point was drawn.
 
/****************/
/* GRAPH LEGEND */
/****************/
 
struct GraphLegendWindow : Window {
  GraphLegendWindow(WindowDesc *desc, WindowNumber window_number) : Window(desc)
  {
    this->InitNested(window_number);
 
    for (CompanyID c = COMPANY_FIRST; c < MAX_COMPANIES; c++) {
      if (!HasBit(_legend_excluded_companies, c)) this->LowerWidget(c + WID_GL_FIRST_COMPANY);
 
      this->OnInvalidateData(c);
    }
  }
 
  void DrawWidget(const Rect &r, int widget) const override
  {
    if (!IsInsideMM(widget, WID_GL_FIRST_COMPANY, MAX_COMPANIES + WID_GL_FIRST_COMPANY)) return;
 
    CompanyID cid = (CompanyID)(widget - WID_GL_FIRST_COMPANY);
 
    if (!Company::IsValidID(cid)) return;
 
    bool rtl = _current_text_dir == TD_RTL;
 
    const Rect ir = r.Shrink(WidgetDimensions::scaled.framerect);
    Dimension d = GetSpriteSize(SPR_COMPANY_ICON);
    DrawCompanyIcon(cid, rtl ? ir.right - d.width : ir.left, CenterBounds(ir.top, ir.bottom, d.height));
 
    const Rect tr = ir.Indent(d.width + WidgetDimensions::scaled.hsep_normal, rtl);
    SetDParam(0, cid);
    SetDParam(1, cid);
    DrawString(tr.left, tr.right, CenterBounds(tr.top, tr.bottom, FONT_HEIGHT_NORMAL), STR_COMPANY_NAME_COMPANY_NUM, HasBit(_legend_excluded_companies, cid) ? TC_BLACK : TC_WHITE);
  }
 
  void OnClick(Point pt, int widget, int click_count) override
  {
    if (!IsInsideMM(widget, WID_GL_FIRST_COMPANY, MAX_COMPANIES + WID_GL_FIRST_COMPANY)) return;
 
    ToggleBit(_legend_excluded_companies, widget - WID_GL_FIRST_COMPANY);
    this->ToggleWidgetLoweredState(widget);
    this->SetDirty();
    InvalidateWindowData(WC_INCOME_GRAPH, 0);
    InvalidateWindowData(WC_OPERATING_PROFIT, 0);
    InvalidateWindowData(WC_DELIVERED_CARGO, 0);
    InvalidateWindowData(WC_PERFORMANCE_HISTORY, 0);
    InvalidateWindowData(WC_COMPANY_VALUE, 0);
  }
 
  void OnInvalidateData(int data = 0, bool gui_scope = true) override
  {
    if (!gui_scope) return;
    if (Company::IsValidID(data)) return;
 
    SetBit(_legend_excluded_companies, data);
    this->RaiseWidget(data + WID_GL_FIRST_COMPANY);
  }
};
 
static NWidgetBase *MakeNWidgetCompanyLines(int *biggest_index)
{
  NWidgetVertical *vert = new NWidgetVertical(NC_EQUALSIZE);
  vert->SetPadding(2, 2, 2, 2);
  uint sprite_height = GetSpriteSize(SPR_COMPANY_ICON, nullptr, ZOOM_LVL_OUT_4X).height;
 
  for (int widnum = WID_GL_FIRST_COMPANY; widnum <= WID_GL_LAST_COMPANY; widnum++) {
    NWidgetBackground *panel = new NWidgetBackground(WWT_PANEL, COLOUR_BROWN, widnum);
    panel->SetMinimalSize(246, sprite_height + WidgetDimensions::unscaled.framerect.Vertical());
    panel->SetMinimalTextLines(1, WidgetDimensions::unscaled.framerect.Vertical(), FS_NORMAL);
    panel->SetFill(1, 1);
    panel->SetDataTip(0x0, STR_GRAPH_KEY_COMPANY_SELECTION_TOOLTIP);
    vert->Add(panel);
  }
  *biggest_index = WID_GL_LAST_COMPANY;
  return vert;
}
 
static const NWidgetPart _nested_graph_legend_widgets[] = {
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
    NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_GRAPH_KEY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    NWidget(WWT_SHADEBOX, COLOUR_BROWN),
    NWidget(WWT_STICKYBOX, COLOUR_BROWN),
  EndContainer(),
  NWidget(WWT_PANEL, COLOUR_BROWN, WID_GL_BACKGROUND),
    NWidgetFunction(MakeNWidgetCompanyLines),
  EndContainer(),
};
 
static WindowDesc _graph_legend_desc(
  WDP_AUTO, "graph_legend", 0, 0,
  WC_GRAPH_LEGEND, WC_NONE,
  0,
  _nested_graph_legend_widgets, lengthof(_nested_graph_legend_widgets)
);
 
static void ShowGraphLegend()
{
  AllocateWindowDescFront<GraphLegendWindow>(&_graph_legend_desc, 0);
}
 
struct ValuesInterval {
  OverflowSafeInt64 highest; 
  OverflowSafeInt64 lowest;  
};
 
/******************/
/* BASE OF GRAPHS */
/*****************/
 
struct BaseGraphWindow : Window {
protected:
  static const int GRAPH_MAX_DATASETS     =  64;
  static const int GRAPH_BASE_COLOUR      =  GREY_SCALE(2);
  static const int GRAPH_GRID_COLOUR      =  GREY_SCALE(3);
  static const int GRAPH_AXIS_LINE_COLOUR =  GREY_SCALE(1);
  static const int GRAPH_ZERO_LINE_COLOUR =  GREY_SCALE(8);
  static const int GRAPH_YEAR_LINE_COLOUR =  GREY_SCALE(5);
  static const int GRAPH_NUM_MONTHS       =  24; 
 
  static const TextColour GRAPH_AXIS_LABEL_COLOUR = TC_BLACK; 
 
  static const int MIN_GRAPH_NUM_LINES_Y  =   9; 
  static const int MIN_GRID_PIXEL_SIZE    =  20; 
 
  uint64 excluded_data; 
  byte num_dataset;
  byte num_on_x_axis;
  byte num_vert_lines;
 
  /* The starting month and year that values are plotted against. If month is
   * 0xFF, use x_values_start and x_values_increment below instead. */
  byte month;
  Year year;
 
  /* These values are used if the graph is being plotted against values
   * rather than the dates specified by month and year. */
  uint16 x_values_start;
  uint16 x_values_increment;
 
  int graph_widget;
  StringID format_str_y_axis;
  byte colours[GRAPH_MAX_DATASETS];
  OverflowSafeInt64 cost[GRAPH_MAX_DATASETS][GRAPH_NUM_MONTHS]; 
 
  ValuesInterval GetValuesInterval(int num_hori_lines) const
  {
    assert(num_hori_lines > 0);
 
    ValuesInterval current_interval;
    current_interval.highest = INT64_MIN;
    current_interval.lowest  = INT64_MAX;
 
    for (int i = 0; i < this->num_dataset; i++) {
      if (HasBit(this->excluded_data, i)) continue;
      for (int j = 0; j < this->num_on_x_axis; j++) {
        OverflowSafeInt64 datapoint = this->cost[i][j];
 
        if (datapoint != INVALID_DATAPOINT) {
          current_interval.highest = std::max(current_interval.highest, datapoint);
          current_interval.lowest  = std::min(current_interval.lowest, datapoint);
        }
      }
    }
 
    /* Prevent showing values too close to the graph limits. */
    current_interval.highest = (11 * current_interval.highest) / 10;
    current_interval.lowest =  (11 * current_interval.lowest) / 10;
 
    /* Always include zero in the shown range. */
    double abs_lower  = (current_interval.lowest > 0) ? 0 : (double)abs(current_interval.lowest);
    double abs_higher = (current_interval.highest < 0) ? 0 : (double)current_interval.highest;
 
    int num_pos_grids;
    int64 grid_size;
 
    if (abs_lower != 0 || abs_higher != 0) {
      /* The number of grids to reserve for the positive part is: */
      num_pos_grids = (int)floor(0.5 + num_hori_lines * abs_higher / (abs_higher + abs_lower));
 
      /* If there are any positive or negative values, force that they have at least one grid. */
      if (num_pos_grids == 0 && abs_higher != 0) num_pos_grids++;
      if (num_pos_grids == num_hori_lines && abs_lower != 0) num_pos_grids--;
 
      /* Get the required grid size for each side and use the maximum one. */
      int64 grid_size_higher = (abs_higher > 0) ? ((int64)abs_higher + num_pos_grids - 1) / num_pos_grids : 0;
      int64 grid_size_lower = (abs_lower > 0) ? ((int64)abs_lower + num_hori_lines - num_pos_grids - 1) / (num_hori_lines - num_pos_grids) : 0;
      grid_size = std::max(grid_size_higher, grid_size_lower);
    } else {
      /* If both values are zero, show an empty graph. */
      num_pos_grids = num_hori_lines / 2;
      grid_size = 1;
    }
 
    current_interval.highest = num_pos_grids * grid_size;
    current_interval.lowest = -(num_hori_lines - num_pos_grids) * grid_size;
    return current_interval;
  }
 
  uint GetYLabelWidth(ValuesInterval current_interval, int num_hori_lines) const
  {
    /* draw text strings on the y axis */
    int64 y_label = current_interval.highest;
    int64 y_label_separation = (current_interval.highest - current_interval.lowest) / num_hori_lines;
 
    uint max_width = 0;
 
    for (int i = 0; i < (num_hori_lines + 1); i++) {
      SetDParam(0, this->format_str_y_axis);
      SetDParam(1, y_label);
      Dimension d = GetStringBoundingBox(STR_GRAPH_Y_LABEL);
      if (d.width > max_width) max_width = d.width;
 
      y_label -= y_label_separation;
    }
 
    return max_width;
  }
 
  void DrawGraph(Rect r) const
  {
    uint x, y;               
    ValuesInterval interval; 
    int x_axis_offset;       
 
    /* the colours and cost array of GraphDrawer must accommodate
     * both values for cargo and companies. So if any are higher, quit */
    static_assert(GRAPH_MAX_DATASETS >= (int)NUM_CARGO && GRAPH_MAX_DATASETS >= (int)MAX_COMPANIES);
    assert(this->num_vert_lines > 0);
 
    /* Rect r will be adjusted to contain just the graph, with labels being
     * placed outside the area. */
    r.top    += ScaleGUITrad(5) + GetCharacterHeight(FS_SMALL) / 2;
    r.bottom -= (this->month == 0xFF ? 1 : 2) * GetCharacterHeight(FS_SMALL) + ScaleGUITrad(4);
    r.left   += ScaleGUITrad(9);
    r.right  -= ScaleGUITrad(5);
 
    /* Initial number of horizontal lines. */
    int num_hori_lines = 160 / ScaleGUITrad(MIN_GRID_PIXEL_SIZE);
    /* For the rest of the height, the number of horizontal lines will increase more slowly. */
    int resize = (r.bottom - r.top - 160) / (2 * ScaleGUITrad(MIN_GRID_PIXEL_SIZE));
    if (resize > 0) num_hori_lines += resize;
 
    interval = GetValuesInterval(num_hori_lines);
 
    int label_width = GetYLabelWidth(interval, num_hori_lines);
 
    r.left += label_width;
 
    int x_sep = (r.right - r.left) / this->num_vert_lines;
    int y_sep = (r.bottom - r.top) / num_hori_lines;
 
    /* Redetermine right and bottom edge of graph to fit with the integer
     * separation values. */
    r.right = r.left + x_sep * this->num_vert_lines;
    r.bottom = r.top + y_sep * num_hori_lines;
 
    OverflowSafeInt64 interval_size = interval.highest + abs(interval.lowest);
    /* Where to draw the X axis. Use floating point to avoid overflowing and results of zero. */
    x_axis_offset = (int)((r.bottom - r.top) * (double)interval.highest / (double)interval_size);
 
    /* Draw the background of the graph itself. */
    GfxFillRect(r.left, r.top, r.right, r.bottom, GRAPH_BASE_COLOUR);
 
    /* Draw the vertical grid lines. */
 
    /* Don't draw the first line, as that's where the axis will be. */
    x = r.left + x_sep;
 
    for (int i = 0; i < this->num_vert_lines; i++) {
      GfxFillRect(x, r.top, x, r.bottom, GRAPH_GRID_COLOUR);
      x += x_sep;
    }
 
    /* Draw the horizontal grid lines. */
    y = r.bottom;
 
    for (int i = 0; i < (num_hori_lines + 1); i++) {
      GfxFillRect(r.left - ScaleGUITrad(3), y, r.left - 1, y, GRAPH_AXIS_LINE_COLOUR);
      GfxFillRect(r.left, y, r.right, y, GRAPH_GRID_COLOUR);
      y -= y_sep;
    }
 
    /* Draw the y axis. */
    GfxFillRect(r.left, r.top, r.left, r.bottom, GRAPH_AXIS_LINE_COLOUR);
 
    /* Draw the x axis. */
    y = x_axis_offset + r.top;
    GfxFillRect(r.left, y, r.right, y, GRAPH_ZERO_LINE_COLOUR);
 
    /* Find the largest value that will be drawn. */
    if (this->num_on_x_axis == 0) return;
 
    assert(this->num_on_x_axis > 0);
    assert(this->num_dataset > 0);
 
    /* draw text strings on the y axis */
    int64 y_label = interval.highest;
    int64 y_label_separation = abs(interval.highest - interval.lowest) / num_hori_lines;
 
    y = r.top - GetCharacterHeight(FS_SMALL) / 2;
 
    for (int i = 0; i < (num_hori_lines + 1); i++) {
      SetDParam(0, this->format_str_y_axis);
      SetDParam(1, y_label);
      DrawString(r.left - label_width - ScaleGUITrad(4), r.left - ScaleGUITrad(4), y, STR_GRAPH_Y_LABEL, GRAPH_AXIS_LABEL_COLOUR, SA_RIGHT);
 
      y_label -= y_label_separation;
      y += y_sep;
    }
 
    /* Draw x-axis labels and markings for graphs based on financial quarters and years.  */
    if (this->month != 0xFF) {
      x = r.left;
      y = r.bottom + ScaleGUITrad(2);
      byte month = this->month;
      Year year  = this->year;
      for (int i = 0; i < this->num_on_x_axis; i++) {
        SetDParam(0, month + STR_MONTH_ABBREV_JAN);
        SetDParam(1, year);
        DrawStringMultiLine(x, x + x_sep, y, this->height, month == 0 ? STR_GRAPH_X_LABEL_MONTH_YEAR : STR_GRAPH_X_LABEL_MONTH, GRAPH_AXIS_LABEL_COLOUR, SA_LEFT);
 
        month += 3;
        if (month >= 12) {
          month = 0;
          year++;
 
          /* Draw a lighter grid line between years. Top and bottom adjustments ensure we don't draw over top and bottom horizontal grid lines. */
          GfxFillRect(x + x_sep, r.top + 1, x + x_sep, r.bottom - 1, GRAPH_YEAR_LINE_COLOUR);
        }
        x += x_sep;
      }
    } else {
      /* Draw x-axis labels for graphs not based on quarterly performance (cargo payment rates). */
      x = r.left;
      y = r.bottom + ScaleGUITrad(2);
      uint16 label = this->x_values_start;
 
      for (int i = 0; i < this->num_on_x_axis; i++) {
        SetDParam(0, label);
        DrawString(x + 1, x + x_sep - 1, y, STR_GRAPH_Y_LABEL_NUMBER, GRAPH_AXIS_LABEL_COLOUR, SA_HOR_CENTER);
 
        label += this->x_values_increment;
        x += x_sep;
      }
    }
 
    /* draw lines and dots */
    uint linewidth = _settings_client.gui.graph_line_thickness;
    uint pointoffs1 = (linewidth + 1) / 2;
    uint pointoffs2 = linewidth + 1 - pointoffs1;
    for (int i = 0; i < this->num_dataset; i++) {
      if (!HasBit(this->excluded_data, i)) {
        /* Centre the dot between the grid lines. */
        x = r.left + (x_sep / 2);
 
        byte colour  = this->colours[i];
        uint prev_x = INVALID_DATAPOINT_POS;
        uint prev_y = INVALID_DATAPOINT_POS;
 
        for (int j = 0; j < this->num_on_x_axis; j++) {
          OverflowSafeInt64 datapoint = this->cost[i][j];
 
          if (datapoint != INVALID_DATAPOINT) {
            /*
             * Check whether we need to reduce the 'accuracy' of the
             * datapoint value and the highest value to split overflows.
             * And when 'drawing' 'one million' or 'one million and one'
             * there is no significant difference, so the least
             * significant bits can just be removed.
             *
             * If there are more bits needed than would fit in a 32 bits
             * integer, so at about 31 bits because of the sign bit, the
             * least significant bits are removed.
             */
            int mult_range = FindLastBit(x_axis_offset) + FindLastBit(abs(datapoint));
            int reduce_range = std::max(mult_range - 31, 0);
 
            /* Handle negative values differently (don't shift sign) */
            if (datapoint < 0) {
              datapoint = -(abs(datapoint) >> reduce_range);
            } else {
              datapoint >>= reduce_range;
            }
            y = r.top + x_axis_offset - ((r.bottom - r.top) * datapoint) / (interval_size >> reduce_range);
 
            /* Draw the point. */
            GfxFillRect(x - pointoffs1, y - pointoffs1, x + pointoffs2, y + pointoffs2, colour);
 
            /* Draw the line connected to the previous point. */
            if (prev_x != INVALID_DATAPOINT_POS) GfxDrawLine(prev_x, prev_y, x, y, colour, linewidth);
 
            prev_x = x;
            prev_y = y;
          } else {
            prev_x = INVALID_DATAPOINT_POS;
            prev_y = INVALID_DATAPOINT_POS;
          }
 
          x += x_sep;
        }
      }
    }
  }
 
 
  BaseGraphWindow(WindowDesc *desc, int widget, StringID format_str_y_axis) :
      Window(desc),
      format_str_y_axis(format_str_y_axis)
  {
    SetWindowDirty(WC_GRAPH_LEGEND, 0);
    this->num_vert_lines = 24;
    this->graph_widget = widget;
  }
 
  void InitializeWindow(WindowNumber number)
  {
    /* Initialise the dataset */
    this->UpdateStatistics(true);
 
    this->InitNested(number);
  }
 
public:
  void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override
  {
    if (widget != this->graph_widget) return;
 
    uint x_label_width = 0;
 
    /* Draw x-axis labels and markings for graphs based on financial quarters and years.  */
    if (this->month != 0xFF) {
      byte month = this->month;
      Year year  = this->year;
      for (int i = 0; i < this->num_on_x_axis; i++) {
        SetDParam(0, month + STR_MONTH_ABBREV_JAN);
        SetDParam(1, year);
        x_label_width = std::max(x_label_width, GetStringBoundingBox(month == 0 ? STR_GRAPH_X_LABEL_MONTH_YEAR : STR_GRAPH_X_LABEL_MONTH).width);
 
        month += 3;
        if (month >= 12) {
          month = 0;
          year++;
        }
      }
    } else {
      /* Draw x-axis labels for graphs not based on quarterly performance (cargo payment rates). */
      SetDParamMaxValue(0, this->x_values_start + this->num_on_x_axis * this->x_values_increment, 0, FS_SMALL);
      x_label_width = GetStringBoundingBox(STR_GRAPH_Y_LABEL_NUMBER).width;
    }
 
    SetDParam(0, this->format_str_y_axis);
    SetDParam(1, INT64_MAX);
    uint y_label_width = GetStringBoundingBox(STR_GRAPH_Y_LABEL).width;
 
    size->width  = std::max<uint>(size->width,  ScaleGUITrad(5) + y_label_width + this->num_on_x_axis * (x_label_width + ScaleGUITrad(5)) + ScaleGUITrad(9));
    size->height = std::max<uint>(size->height, ScaleGUITrad(5) + (1 + MIN_GRAPH_NUM_LINES_Y * 2 + (this->month != 0xFF ? 3 : 1)) * FONT_HEIGHT_SMALL + ScaleGUITrad(4));
    size->height = std::max<uint>(size->height, size->width / 3);
  }
 
  void DrawWidget(const Rect &r, int widget) const override
  {
    if (widget != this->graph_widget) return;
 
    DrawGraph(r);
  }
 
  virtual OverflowSafeInt64 GetGraphData(const Company *c, int j)
  {
    return INVALID_DATAPOINT;
  }
 
  void OnClick(Point pt, int widget, int click_count) override
  {
    /* Clicked on legend? */
    if (widget == WID_CV_KEY_BUTTON) ShowGraphLegend();
  }
 
  void OnGameTick() override
  {
    this->UpdateStatistics(false);
  }
 
  void OnInvalidateData(int data = 0, bool gui_scope = true) override
  {
    if (!gui_scope) return;
    this->UpdateStatistics(true);
  }
 
  void UpdateStatistics(bool initialize)
  {
    CompanyMask excluded_companies = _legend_excluded_companies;
 
    /* Exclude the companies which aren't valid */
    for (CompanyID c = COMPANY_FIRST; c < MAX_COMPANIES; c++) {
      if (!Company::IsValidID(c)) SetBit(excluded_companies, c);
    }
 
    byte nums = 0;
    for (const Company *c : Company::Iterate()) {
      nums = std::min(this->num_vert_lines, std::max(nums, c->num_valid_stat_ent));
    }
 
    int mo = (_cur_month / 3 - nums) * 3;
    int yr = _cur_year;
    while (mo < 0) {
      yr--;
      mo += 12;
    }
 
    if (!initialize && this->excluded_data == excluded_companies && this->num_on_x_axis == nums &&
        this->year == yr && this->month == mo) {
      /* There's no reason to get new stats */
      return;
    }
 
    this->excluded_data = excluded_companies;
    this->num_on_x_axis = nums;
    this->year = yr;
    this->month = mo;
 
    int numd = 0;
    for (CompanyID k = COMPANY_FIRST; k < MAX_COMPANIES; k++) {
      const Company *c = Company::GetIfValid(k);
      if (c != nullptr) {
        this->colours[numd] = _colour_gradient[c->colour][6];
        for (int j = this->num_on_x_axis, i = 0; --j >= 0;) {
          this->cost[numd][i] = (j >= c->num_valid_stat_ent) ? INVALID_DATAPOINT : GetGraphData(c, j);
          i++;
        }
      }
      numd++;
    }
 
    this->num_dataset = numd;
  }
};
 
 
/********************/
/* OPERATING PROFIT */
/********************/
 
struct OperatingProfitGraphWindow : BaseGraphWindow {
  OperatingProfitGraphWindow(WindowDesc *desc, WindowNumber window_number) :
      BaseGraphWindow(desc, WID_CV_GRAPH, STR_JUST_CURRENCY_SHORT)
  {
    this->InitializeWindow(window_number);
  }
 
  OverflowSafeInt64 GetGraphData(const Company *c, int j) override
  {
    return c->old_economy[j].income + c->old_economy[j].expenses;
  }
};
 
static const NWidgetPart _nested_operating_profit_widgets[] = {
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
    NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_GRAPH_OPERATING_PROFIT_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_CV_KEY_BUTTON), SetMinimalSize(50, 0), SetMinimalTextLines(1, WidgetDimensions::unscaled.framerect.Vertical() + 2), SetDataTip(STR_GRAPH_KEY_BUTTON, STR_GRAPH_KEY_TOOLTIP),
    NWidget(WWT_SHADEBOX, COLOUR_BROWN),
    NWidget(WWT_DEFSIZEBOX, COLOUR_BROWN),
    NWidget(WWT_STICKYBOX, COLOUR_BROWN),
  EndContainer(),
  NWidget(WWT_PANEL, COLOUR_BROWN, WID_CV_BACKGROUND),
    NWidget(NWID_HORIZONTAL),
      NWidget(WWT_EMPTY, COLOUR_BROWN, WID_CV_GRAPH), SetMinimalSize(576, 160), SetFill(1, 1), SetResize(1, 1),
      NWidget(NWID_VERTICAL),
        NWidget(NWID_SPACER), SetFill(0, 1), SetResize(0, 1),
        NWidget(WWT_RESIZEBOX, COLOUR_BROWN, WID_CV_RESIZE),
      EndContainer(),
    EndContainer(),
  EndContainer(),
};
 
static WindowDesc _operating_profit_desc(
  WDP_AUTO, "graph_operating_profit", 0, 0,
  WC_OPERATING_PROFIT, WC_NONE,
  0,
  _nested_operating_profit_widgets, lengthof(_nested_operating_profit_widgets)
);
 
 
void ShowOperatingProfitGraph()
{
  AllocateWindowDescFront<OperatingProfitGraphWindow>(&_operating_profit_desc, 0);
}
 
 
/****************/
/* INCOME GRAPH */
/****************/
 
struct IncomeGraphWindow : BaseGraphWindow {
  IncomeGraphWindow(WindowDesc *desc, WindowNumber window_number) :
      BaseGraphWindow(desc, WID_CV_GRAPH, STR_JUST_CURRENCY_SHORT)
  {
    this->InitializeWindow(window_number);
  }
 
  OverflowSafeInt64 GetGraphData(const Company *c, int j) override
  {
    return c->old_economy[j].income;
  }
};
 
static const NWidgetPart _nested_income_graph_widgets[] = {
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
    NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_GRAPH_INCOME_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_CV_KEY_BUTTON), SetMinimalSize(50, 0), SetMinimalTextLines(1, WidgetDimensions::unscaled.framerect.Vertical() + 2), SetDataTip(STR_GRAPH_KEY_BUTTON, STR_GRAPH_KEY_TOOLTIP),
    NWidget(WWT_SHADEBOX, COLOUR_BROWN),
    NWidget(WWT_DEFSIZEBOX, COLOUR_BROWN),
    NWidget(WWT_STICKYBOX, COLOUR_BROWN),
  EndContainer(),
  NWidget(WWT_PANEL, COLOUR_BROWN, WID_CV_BACKGROUND),
    NWidget(NWID_HORIZONTAL),
      NWidget(WWT_EMPTY, COLOUR_BROWN, WID_CV_GRAPH), SetMinimalSize(576, 128), SetFill(1, 1), SetResize(1, 1),
      NWidget(NWID_VERTICAL),
        NWidget(NWID_SPACER), SetFill(0, 1), SetResize(0, 1),
        NWidget(WWT_RESIZEBOX, COLOUR_BROWN, WID_CV_RESIZE),
      EndContainer(),
    EndContainer(),
  EndContainer(),
};
 
static WindowDesc _income_graph_desc(
  WDP_AUTO, "graph_income", 0, 0,
  WC_INCOME_GRAPH, WC_NONE,
  0,
  _nested_income_graph_widgets, lengthof(_nested_income_graph_widgets)
);
 
void ShowIncomeGraph()
{
  AllocateWindowDescFront<IncomeGraphWindow>(&_income_graph_desc, 0);
}
 
/*******************/
/* DELIVERED CARGO */
/*******************/
 
struct DeliveredCargoGraphWindow : BaseGraphWindow {
  DeliveredCargoGraphWindow(WindowDesc *desc, WindowNumber window_number) :
      BaseGraphWindow(desc, WID_CV_GRAPH, STR_JUST_COMMA)
  {
    this->InitializeWindow(window_number);
  }
 
  OverflowSafeInt64 GetGraphData(const Company *c, int j) override
  {
    return c->old_economy[j].delivered_cargo.GetSum<OverflowSafeInt64>();
  }
};
 
static const NWidgetPart _nested_delivered_cargo_graph_widgets[] = {
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
    NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_GRAPH_CARGO_DELIVERED_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_CV_KEY_BUTTON), SetMinimalSize(50, 0), SetMinimalTextLines(1, WidgetDimensions::unscaled.framerect.Vertical() + 2), SetDataTip(STR_GRAPH_KEY_BUTTON, STR_GRAPH_KEY_TOOLTIP),
    NWidget(WWT_SHADEBOX, COLOUR_BROWN),
    NWidget(WWT_DEFSIZEBOX, COLOUR_BROWN),
    NWidget(WWT_STICKYBOX, COLOUR_BROWN),
  EndContainer(),
  NWidget(WWT_PANEL, COLOUR_BROWN, WID_CV_BACKGROUND),
    NWidget(NWID_HORIZONTAL),
      NWidget(WWT_EMPTY, COLOUR_BROWN, WID_CV_GRAPH), SetMinimalSize(576, 128), SetFill(1, 1), SetResize(1, 1),
      NWidget(NWID_VERTICAL),
        NWidget(NWID_SPACER), SetFill(0, 1), SetResize(0, 1),
        NWidget(WWT_RESIZEBOX, COLOUR_BROWN, WID_CV_RESIZE),
      EndContainer(),
    EndContainer(),
  EndContainer(),
};
 
static WindowDesc _delivered_cargo_graph_desc(
  WDP_AUTO, "graph_delivered_cargo", 0, 0,
  WC_DELIVERED_CARGO, WC_NONE,
  0,
  _nested_delivered_cargo_graph_widgets, lengthof(_nested_delivered_cargo_graph_widgets)
);
 
void ShowDeliveredCargoGraph()
{
  AllocateWindowDescFront<DeliveredCargoGraphWindow>(&_delivered_cargo_graph_desc, 0);
}
 
/***********************/
/* PERFORMANCE HISTORY */
/***********************/
 
struct PerformanceHistoryGraphWindow : BaseGraphWindow {
  PerformanceHistoryGraphWindow(WindowDesc *desc, WindowNumber window_number) :
      BaseGraphWindow(desc, WID_PHG_GRAPH, STR_JUST_COMMA)
  {
    this->InitializeWindow(window_number);
  }
 
  OverflowSafeInt64 GetGraphData(const Company *c, int j) override
  {
    return c->old_economy[j].performance_history;
  }
 
  void OnClick(Point pt, int widget, int click_count) override
  {
    if (widget == WID_PHG_DETAILED_PERFORMANCE) ShowPerformanceRatingDetail();
    this->BaseGraphWindow::OnClick(pt, widget, click_count);
  }
};
 
static const NWidgetPart _nested_performance_history_widgets[] = {
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
    NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_GRAPH_COMPANY_PERFORMANCE_RATINGS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_PHG_DETAILED_PERFORMANCE), SetMinimalSize(50, 0), SetMinimalTextLines(1, WidgetDimensions::unscaled.framerect.Vertical() + 2), SetDataTip(STR_PERFORMANCE_DETAIL_KEY, STR_GRAPH_PERFORMANCE_DETAIL_TOOLTIP),
    NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_PHG_KEY), SetMinimalSize(50, 0), SetMinimalTextLines(1, WidgetDimensions::unscaled.framerect.Vertical() + 2), SetDataTip(STR_GRAPH_KEY_BUTTON, STR_GRAPH_KEY_TOOLTIP),
    NWidget(WWT_SHADEBOX, COLOUR_BROWN),
    NWidget(WWT_DEFSIZEBOX, COLOUR_BROWN),
    NWidget(WWT_STICKYBOX, COLOUR_BROWN),
  EndContainer(),
  NWidget(WWT_PANEL, COLOUR_BROWN, WID_PHG_BACKGROUND),
    NWidget(NWID_HORIZONTAL),
      NWidget(WWT_EMPTY, COLOUR_BROWN, WID_PHG_GRAPH), SetMinimalSize(576, 224), SetFill(1, 1), SetResize(1, 1),
      NWidget(NWID_VERTICAL),
        NWidget(NWID_SPACER), SetFill(0, 1), SetResize(0, 1),
        NWidget(WWT_RESIZEBOX, COLOUR_BROWN, WID_PHG_RESIZE),
      EndContainer(),
    EndContainer(),
  EndContainer(),
};
 
static WindowDesc _performance_history_desc(
  WDP_AUTO, "graph_performance", 0, 0,
  WC_PERFORMANCE_HISTORY, WC_NONE,
  0,
  _nested_performance_history_widgets, lengthof(_nested_performance_history_widgets)
);
 
void ShowPerformanceHistoryGraph()
{
  AllocateWindowDescFront<PerformanceHistoryGraphWindow>(&_performance_history_desc, 0);
}
 
/*****************/
/* COMPANY VALUE */
/*****************/
 
struct CompanyValueGraphWindow : BaseGraphWindow {
  CompanyValueGraphWindow(WindowDesc *desc, WindowNumber window_number) :
      BaseGraphWindow(desc, WID_CV_GRAPH, STR_JUST_CURRENCY_SHORT)
  {
    this->InitializeWindow(window_number);
  }
 
  OverflowSafeInt64 GetGraphData(const Company *c, int j) override
  {
    return c->old_economy[j].company_value;
  }
};
 
static const NWidgetPart _nested_company_value_graph_widgets[] = {
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
    NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_GRAPH_COMPANY_VALUES_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_CV_KEY_BUTTON), SetMinimalSize(50, 0), SetMinimalTextLines(1, WidgetDimensions::unscaled.framerect.Vertical() + 2), SetDataTip(STR_GRAPH_KEY_BUTTON, STR_GRAPH_KEY_TOOLTIP),
    NWidget(WWT_SHADEBOX, COLOUR_BROWN),
    NWidget(WWT_DEFSIZEBOX, COLOUR_BROWN),
    NWidget(WWT_STICKYBOX, COLOUR_BROWN),
  EndContainer(),
  NWidget(WWT_PANEL, COLOUR_BROWN, WID_CV_BACKGROUND),
    NWidget(NWID_HORIZONTAL),
      NWidget(WWT_EMPTY, COLOUR_BROWN, WID_CV_GRAPH), SetMinimalSize(576, 224), SetFill(1, 1), SetResize(1, 1),
      NWidget(NWID_VERTICAL),
        NWidget(NWID_SPACER), SetFill(0, 1), SetResize(0, 1),
        NWidget(WWT_RESIZEBOX, COLOUR_BROWN, WID_CV_RESIZE),
      EndContainer(),
    EndContainer(),
  EndContainer(),
};
 
static WindowDesc _company_value_graph_desc(
  WDP_AUTO, "graph_company_value", 0, 0,
  WC_COMPANY_VALUE, WC_NONE,
  0,
  _nested_company_value_graph_widgets, lengthof(_nested_company_value_graph_widgets)
);
 
void ShowCompanyValueGraph()
{
  AllocateWindowDescFront<CompanyValueGraphWindow>(&_company_value_graph_desc, 0);
}
 
/*****************/
/* PAYMENT RATES */
/*****************/
 
struct PaymentRatesGraphWindow : BaseGraphWindow {
  uint line_height;   
  Scrollbar *vscroll; 
  uint legend_width;  
 
  PaymentRatesGraphWindow(WindowDesc *desc, WindowNumber window_number) :
      BaseGraphWindow(desc, WID_CPR_GRAPH, STR_JUST_CURRENCY_SHORT)
  {
    this->num_on_x_axis = 20;
    this->num_vert_lines = 20;
    this->month = 0xFF;
    this->x_values_start     = 10;
    this->x_values_increment = 10;
 
    this->CreateNestedTree();
    this->vscroll = this->GetScrollbar(WID_CPR_MATRIX_SCROLLBAR);
    this->vscroll->SetCount(static_cast<int>(_sorted_standard_cargo_specs.size()));
 
    /* Initialise the dataset */
    this->OnHundredthTick();
 
    this->FinishInitNested(window_number);
  }
 
  void OnInit() override
  {
    /* Width of the legend blob. */
    this->legend_width = (FONT_HEIGHT_SMALL - ScaleGUITrad(1)) * 8 / 5;
  }
 
  void UpdateExcludedData()
  {
    this->excluded_data = 0;
 
    int i = 0;
    for (const CargoSpec *cs : _sorted_standard_cargo_specs) {
      if (HasBit(_legend_excluded_cargo, cs->Index())) SetBit(this->excluded_data, i);
      i++;
    }
  }
 
  void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override
  {
    if (widget != WID_CPR_MATRIX) {
      BaseGraphWindow::UpdateWidgetSize(widget, size, padding, fill, resize);
      return;
    }
 
    for (const CargoSpec *cs : _sorted_standard_cargo_specs) {
      SetDParam(0, cs->name);
      Dimension d = GetStringBoundingBox(STR_GRAPH_CARGO_PAYMENT_CARGO);
      d.width += this->legend_width + WidgetDimensions::scaled.hsep_normal; // colour field
      d.width += WidgetDimensions::scaled.framerect.Horizontal();
      d.height += WidgetDimensions::scaled.framerect.Vertical();
      *size = maxdim(d, *size);
    }
 
    this->line_height = size->height;
    size->height = this->line_height * 11; /* Default number of cargo types in most climates. */
    resize->width = 0;
    resize->height = this->line_height;
  }
 
  void DrawWidget(const Rect &r, int widget) const override
  {
    if (widget != WID_CPR_MATRIX) {
      BaseGraphWindow::DrawWidget(r, widget);
      return;
    }
 
    bool rtl = _current_text_dir == TD_RTL;
 
    int pos = this->vscroll->GetPosition();
    int max = pos + this->vscroll->GetCapacity();
 
    Rect line = r.WithHeight(this->line_height);
    for (const CargoSpec *cs : _sorted_standard_cargo_specs) {
      if (pos-- > 0) continue;
      if (--max < 0) break;
 
      bool lowered = !HasBit(_legend_excluded_cargo, cs->Index());
 
      /* Redraw frame if lowered */
      if (lowered) DrawFrameRect(line, COLOUR_BROWN, FR_LOWERED);
 
      const Rect text = line.Shrink(WidgetDimensions::scaled.framerect).Translate(lowered ? WidgetDimensions::scaled.pressed : 0, lowered ? WidgetDimensions::scaled.pressed : 0);
 
      /* Cargo-colour box with outline */
      const Rect cargo = text.WithWidth(this->legend_width, rtl);
      GfxFillRect(cargo, PC_BLACK);
      GfxFillRect(cargo.Shrink(WidgetDimensions::scaled.bevel), cs->legend_colour);
 
      /* Cargo name */
      SetDParam(0, cs->name);
      DrawString(text.Indent(this->legend_width + WidgetDimensions::scaled.hsep_normal, rtl), STR_GRAPH_CARGO_PAYMENT_CARGO);
 
      line = line.Translate(0, this->line_height);
    }
  }
 
  void OnClick(Point pt, int widget, int click_count) override
  {
    switch (widget) {
      case WID_CPR_ENABLE_CARGOES:
        /* Remove all cargoes from the excluded lists. */
        _legend_excluded_cargo = 0;
        this->excluded_data = 0;
        this->SetDirty();
        break;
 
      case WID_CPR_DISABLE_CARGOES: {
        /* Add all cargoes to the excluded lists. */
        int i = 0;
        for (const CargoSpec *cs : _sorted_standard_cargo_specs) {
          SetBit(_legend_excluded_cargo, cs->Index());
          SetBit(this->excluded_data, i);
          i++;
        }
        this->SetDirty();
        break;
      }
 
      case WID_CPR_MATRIX: {
        uint row = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_CPR_MATRIX);
        if (row >= this->vscroll->GetCount()) return;
 
        for (const CargoSpec *cs : _sorted_standard_cargo_specs) {
          if (row-- > 0) continue;
 
          ToggleBit(_legend_excluded_cargo, cs->Index());
          this->UpdateExcludedData();
          this->SetDirty();
          break;
        }
        break;
      }
    }
  }
 
  void OnResize() override
  {
    this->vscroll->SetCapacityFromWidget(this, WID_CPR_MATRIX);
  }
 
  void OnGameTick() override
  {
    /* Override default OnGameTick */
  }
 
  void OnInvalidateData(int data = 0, bool gui_scope = true) override
  {
    if (!gui_scope) return;
    this->OnHundredthTick();
  }
 
  void OnHundredthTick() override
  {
    this->UpdateExcludedData();
 
    int i = 0;
    for (const CargoSpec *cs : _sorted_standard_cargo_specs) {
      this->colours[i] = cs->legend_colour;
      for (uint j = 0; j != 20; j++) {
        this->cost[i][j] = GetTransportedGoodsIncome(10, 20, j * 4 + 4, cs->Index());
      }
      i++;
    }
    this->num_dataset = i;
  }
};
 
static const NWidgetPart _nested_cargo_payment_rates_widgets[] = {
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
    NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_GRAPH_CARGO_PAYMENT_RATES_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    NWidget(WWT_SHADEBOX, COLOUR_BROWN),
    NWidget(WWT_DEFSIZEBOX, COLOUR_BROWN),
    NWidget(WWT_STICKYBOX, COLOUR_BROWN),
  EndContainer(),
  NWidget(WWT_PANEL, COLOUR_BROWN, WID_CPR_BACKGROUND), SetMinimalSize(568, 128),
    NWidget(NWID_HORIZONTAL),
      NWidget(NWID_SPACER), SetFill(1, 0), SetResize(1, 0),
      NWidget(WWT_TEXT, COLOUR_BROWN, WID_CPR_HEADER), SetMinimalSize(0, 6), SetPadding(2, 0, 2, 0), SetDataTip(STR_GRAPH_CARGO_PAYMENT_RATES_TITLE, STR_NULL),
      NWidget(NWID_SPACER), SetFill(1, 0), SetResize(1, 0),
    EndContainer(),
    NWidget(NWID_HORIZONTAL),
      NWidget(WWT_EMPTY, COLOUR_BROWN, WID_CPR_GRAPH), SetMinimalSize(495, 0), SetFill(1, 1), SetResize(1, 1),
      NWidget(NWID_VERTICAL),
        NWidget(NWID_SPACER), SetMinimalSize(0, 24), SetFill(0, 1),
        NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_CPR_ENABLE_CARGOES), SetDataTip(STR_GRAPH_CARGO_ENABLE_ALL, STR_GRAPH_CARGO_TOOLTIP_ENABLE_ALL), SetFill(1, 0),
        NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_CPR_DISABLE_CARGOES), SetDataTip(STR_GRAPH_CARGO_DISABLE_ALL, STR_GRAPH_CARGO_TOOLTIP_DISABLE_ALL), SetFill(1, 0),
        NWidget(NWID_SPACER), SetMinimalSize(0, 4),
        NWidget(NWID_HORIZONTAL),
          NWidget(WWT_MATRIX, COLOUR_BROWN, WID_CPR_MATRIX), SetResize(0, 2), SetMatrixDataTip(1, 0, STR_GRAPH_CARGO_PAYMENT_TOGGLE_CARGO), SetScrollbar(WID_CPR_MATRIX_SCROLLBAR),
          NWidget(NWID_VSCROLLBAR, COLOUR_BROWN, WID_CPR_MATRIX_SCROLLBAR),
        EndContainer(),
        NWidget(NWID_SPACER), SetMinimalSize(0, 24), SetFill(0, 1),
      EndContainer(),
      NWidget(NWID_SPACER), SetMinimalSize(5, 0), SetFill(0, 1), SetResize(0, 1),
    EndContainer(),
    NWidget(NWID_HORIZONTAL),
      NWidget(NWID_SPACER), SetMinimalSize(12, 0), SetFill(1, 0), SetResize(1, 0),
      NWidget(WWT_TEXT, COLOUR_BROWN, WID_CPR_FOOTER), SetMinimalSize(0, 6), SetPadding(2, 0, 2, 0), SetDataTip(STR_GRAPH_CARGO_PAYMENT_RATES_X_LABEL, STR_NULL),
      NWidget(NWID_SPACER), SetFill(1, 0), SetResize(1, 0),
      NWidget(WWT_RESIZEBOX, COLOUR_BROWN, WID_CPR_RESIZE),
    EndContainer(),
  EndContainer(),
};
 
static WindowDesc _cargo_payment_rates_desc(
  WDP_AUTO, "graph_cargo_payment_rates", 0, 0,
  WC_PAYMENT_RATES, WC_NONE,
  0,
  _nested_cargo_payment_rates_widgets, lengthof(_nested_cargo_payment_rates_widgets)
);
 
 
void ShowCargoPaymentRates()
{
  AllocateWindowDescFront<PaymentRatesGraphWindow>(&_cargo_payment_rates_desc, 0);
}
 
/*****************************/
/* PERFORMANCE RATING DETAIL */
/*****************************/
 
struct PerformanceRatingDetailWindow : Window {
  static CompanyID company;
  int timeout;
 
  PerformanceRatingDetailWindow(WindowDesc *desc, WindowNumber window_number) : Window(desc)
  {
    this->UpdateCompanyStats();
 
    this->InitNested(window_number);
    this->OnInvalidateData(INVALID_COMPANY);
  }
 
  void UpdateCompanyStats()
  {
    /* Update all company stats with the current data
     * (this is because _score_info is not saved to a savegame) */
    for (Company *c : Company::Iterate()) {
      UpdateCompanyRatingAndValue(c, false);
    }
 
    this->timeout = DAY_TICKS * 5;
  }
 
  uint score_info_left;
  uint score_info_right;
  uint bar_left;
  uint bar_right;
  uint bar_width;
  uint bar_height;
  uint score_detail_left;
  uint score_detail_right;
 
  void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override
  {
    switch (widget) {
      case WID_PRD_SCORE_FIRST:
        this->bar_height = FONT_HEIGHT_NORMAL + WidgetDimensions::scaled.fullbevel.Vertical();
        size->height = this->bar_height + WidgetDimensions::scaled.matrix.Vertical();
 
        uint score_info_width = 0;
        for (uint i = SCORE_BEGIN; i < SCORE_END; i++) {
          score_info_width = std::max(score_info_width, GetStringBoundingBox(STR_PERFORMANCE_DETAIL_VEHICLES + i).width);
        }
        SetDParamMaxValue(0, 1000);
        score_info_width += GetStringBoundingBox(STR_BLACK_COMMA).width + WidgetDimensions::scaled.hsep_wide;
 
        SetDParamMaxValue(0, 100);
        this->bar_width = GetStringBoundingBox(STR_PERFORMANCE_DETAIL_PERCENT).width + WidgetDimensions::scaled.hsep_indent * 2; // Wide bars!
 
        /* At this number we are roughly at the max; it can become wider,
         * but then you need at 1000 times more money. At that time you're
         * not that interested anymore in the last few digits anyway.
         * The 500 is because 999 999 500 to 999 999 999 are rounded to
         * 1 000 M, and not 999 999 k. Use negative numbers to account for
         * the negative income/amount of money etc. as well. */
        int max = -(999999999 - 500);
 
        /* Scale max for the display currency. Prior to rendering the value
         * is converted into the display currency, which may cause it to
         * raise significantly. We need to compensate for that since {{CURRCOMPACT}}
         * is used, which can produce quite short renderings of very large
         * values. Otherwise the calculated width could be too narrow.
         * Note that it doesn't work if there was a currency with an exchange
         * rate greater than max.
         * When the currency rate is more than 1000, the 999 999 k becomes at
         * least 999 999 M which roughly is equally long. Furthermore if the
         * exchange rate is that high, 999 999 k is usually not enough anymore
         * to show the different currency numbers. */
        if (_currency->rate < 1000) max /= _currency->rate;
        SetDParam(0, max);
        SetDParam(1, max);
        uint score_detail_width = GetStringBoundingBox(STR_PERFORMANCE_DETAIL_AMOUNT_CURRENCY).width;
 
        size->width = WidgetDimensions::scaled.frametext.Horizontal() + score_info_width + WidgetDimensions::scaled.hsep_wide + this->bar_width + WidgetDimensions::scaled.hsep_wide + score_detail_width;
        uint left  = WidgetDimensions::scaled.frametext.left;
        uint right = size->width - WidgetDimensions::scaled.frametext.right;
 
        bool rtl = _current_text_dir == TD_RTL;
        this->score_info_left  = rtl ? right - score_info_width : left;
        this->score_info_right = rtl ? right : left + score_info_width;
 
        this->score_detail_left  = rtl ? left : right - score_detail_width;
        this->score_detail_right = rtl ? left + score_detail_width : right;
 
        this->bar_left  = left + (rtl ? score_detail_width : score_info_width) + WidgetDimensions::scaled.hsep_wide;
        this->bar_right = this->bar_left + this->bar_width - 1;
        break;
    }
  }
 
  void DrawWidget(const Rect &r, int widget) const override
  {
    /* No need to draw when there's nothing to draw */
    if (this->company == INVALID_COMPANY) return;
 
    if (IsInsideMM(widget, WID_PRD_COMPANY_FIRST, WID_PRD_COMPANY_LAST + 1)) {
      if (this->IsWidgetDisabled(widget)) return;
      CompanyID cid = (CompanyID)(widget - WID_PRD_COMPANY_FIRST);
      int offset = (cid == this->company) ? WidgetDimensions::scaled.pressed : 0;
      Dimension sprite_size = GetSpriteSize(SPR_COMPANY_ICON);
      DrawCompanyIcon(cid, CenterBounds(r.left, r.right, sprite_size.width) + offset, CenterBounds(r.top, r.bottom, sprite_size.height) + offset);
      return;
    }
 
    if (!IsInsideMM(widget, WID_PRD_SCORE_FIRST, WID_PRD_SCORE_LAST + 1)) return;
 
    ScoreID score_type = (ScoreID)(widget - WID_PRD_SCORE_FIRST);
 
    /* The colours used to show how the progress is going */
    int colour_done = _colour_gradient[COLOUR_GREEN][4];
    int colour_notdone = _colour_gradient[COLOUR_RED][4];
 
    /* Draw all the score parts */
    int64 val    = _score_part[company][score_type];
    int64 needed = _score_info[score_type].needed;
    int   score  = _score_info[score_type].score;
 
    /* SCORE_TOTAL has its own rules ;) */
    if (score_type == SCORE_TOTAL) {
      for (ScoreID i = SCORE_BEGIN; i < SCORE_END; i++) score += _score_info[i].score;
      needed = SCORE_MAX;
    }
 
    uint bar_top  = CenterBounds(r.top, r.bottom, this->bar_height);
    uint text_top = CenterBounds(r.top, r.bottom, FONT_HEIGHT_NORMAL);
 
    DrawString(this->score_info_left, this->score_info_right, text_top, STR_PERFORMANCE_DETAIL_VEHICLES + score_type);
 
    /* Draw the score */
    SetDParam(0, score);
    DrawString(this->score_info_left, this->score_info_right, text_top, STR_BLACK_COMMA, TC_FROMSTRING, SA_RIGHT);
 
    /* Calculate the %-bar */
    uint x = Clamp<int64>(val, 0, needed) * this->bar_width / needed;
    bool rtl = _current_text_dir == TD_RTL;
    if (rtl) {
      x = this->bar_right - x;
    } else {
      x = this->bar_left + x;
    }
 
    /* Draw the bar */
    if (x != this->bar_left)  GfxFillRect(this->bar_left, bar_top, x,               bar_top + this->bar_height - 1, rtl ? colour_notdone : colour_done);
    if (x != this->bar_right) GfxFillRect(x,              bar_top, this->bar_right, bar_top + this->bar_height - 1, rtl ? colour_done : colour_notdone);
 
    /* Draw it */
    SetDParam(0, Clamp<int64>(val, 0, needed) * 100 / needed);
    DrawString(this->bar_left, this->bar_right, text_top, STR_PERFORMANCE_DETAIL_PERCENT, TC_FROMSTRING, SA_HOR_CENTER);
 
    /* SCORE_LOAN is inversed */
    if (score_type == SCORE_LOAN) val = needed - val;
 
    /* Draw the amount we have against what is needed
     * For some of them it is in currency format */
    SetDParam(0, val);
    SetDParam(1, needed);
    switch (score_type) {
      case SCORE_MIN_PROFIT:
      case SCORE_MIN_INCOME:
      case SCORE_MAX_INCOME:
      case SCORE_MONEY:
      case SCORE_LOAN:
        DrawString(this->score_detail_left, this->score_detail_right, text_top, STR_PERFORMANCE_DETAIL_AMOUNT_CURRENCY);
        break;
      default:
        DrawString(this->score_detail_left, this->score_detail_right, text_top, STR_PERFORMANCE_DETAIL_AMOUNT_INT);
    }
  }
 
  void OnClick(Point pt, int widget, int click_count) override
  {
    /* Check which button is clicked */
    if (IsInsideMM(widget, WID_PRD_COMPANY_FIRST, WID_PRD_COMPANY_LAST + 1)) {
      /* Is it no on disable? */
      if (!this->IsWidgetDisabled(widget)) {
        this->RaiseWidget(this->company + WID_PRD_COMPANY_FIRST);
        this->company = (CompanyID)(widget - WID_PRD_COMPANY_FIRST);
        this->LowerWidget(this->company + WID_PRD_COMPANY_FIRST);
        this->SetDirty();
      }
    }
  }
 
  void OnGameTick() override
  {
    /* Update the company score every 5 days */
    if (--this->timeout == 0) {
      this->UpdateCompanyStats();
      this->SetDirty();
    }
  }
 
  void OnInvalidateData(int data = 0, bool gui_scope = true) override
  {
    if (!gui_scope) return;
    /* Disable the companies who are not active */
    for (CompanyID i = COMPANY_FIRST; i < MAX_COMPANIES; i++) {
      this->SetWidgetDisabledState(i + WID_PRD_COMPANY_FIRST, !Company::IsValidID(i));
    }
 
    /* Check if the currently selected company is still active. */
    if (this->company != INVALID_COMPANY && !Company::IsValidID(this->company)) {
      /* Raise the widget for the previous selection. */
      this->RaiseWidget(this->company + WID_PRD_COMPANY_FIRST);
      this->company = INVALID_COMPANY;
    }
 
    if (this->company == INVALID_COMPANY) {
      for (const Company *c : Company::Iterate()) {
        this->company = c->index;
        break;
      }
    }
 
    /* Make sure the widget is lowered */
    this->LowerWidget(this->company + WID_PRD_COMPANY_FIRST);
  }
};
 
CompanyID PerformanceRatingDetailWindow::company = INVALID_COMPANY;
 
static NWidgetBase *MakePerformanceDetailPanels(int *biggest_index)
{
  const StringID performance_tips[] = {
    STR_PERFORMANCE_DETAIL_VEHICLES_TOOLTIP,
    STR_PERFORMANCE_DETAIL_STATIONS_TOOLTIP,
    STR_PERFORMANCE_DETAIL_MIN_PROFIT_TOOLTIP,
    STR_PERFORMANCE_DETAIL_MIN_INCOME_TOOLTIP,
    STR_PERFORMANCE_DETAIL_MAX_INCOME_TOOLTIP,
    STR_PERFORMANCE_DETAIL_DELIVERED_TOOLTIP,
    STR_PERFORMANCE_DETAIL_CARGO_TOOLTIP,
    STR_PERFORMANCE_DETAIL_MONEY_TOOLTIP,
    STR_PERFORMANCE_DETAIL_LOAN_TOOLTIP,
    STR_PERFORMANCE_DETAIL_TOTAL_TOOLTIP,
  };
 
  static_assert(lengthof(performance_tips) == SCORE_END - SCORE_BEGIN);
 
  NWidgetVertical *vert = new NWidgetVertical(NC_EQUALSIZE);
  for (int widnum = WID_PRD_SCORE_FIRST; widnum <= WID_PRD_SCORE_LAST; widnum++) {
    NWidgetBackground *panel = new NWidgetBackground(WWT_PANEL, COLOUR_BROWN, widnum);
    panel->SetFill(1, 1);
    panel->SetDataTip(0x0, performance_tips[widnum - WID_PRD_SCORE_FIRST]);
    vert->Add(panel);
  }
  *biggest_index = WID_PRD_SCORE_LAST;
  return vert;
}
 
NWidgetBase *MakeCompanyButtonRowsGraphGUI(int *biggest_index)
{
  return MakeCompanyButtonRows(biggest_index, WID_PRD_COMPANY_FIRST, WID_PRD_COMPANY_LAST, COLOUR_BROWN, 8, STR_PERFORMANCE_DETAIL_SELECT_COMPANY_TOOLTIP);
}
 
static const NWidgetPart _nested_performance_rating_detail_widgets[] = {
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
    NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_PERFORMANCE_DETAIL, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    NWidget(WWT_SHADEBOX, COLOUR_BROWN),
    NWidget(WWT_STICKYBOX, COLOUR_BROWN),
  EndContainer(),
  NWidget(WWT_PANEL, COLOUR_BROWN),
    NWidgetFunction(MakeCompanyButtonRowsGraphGUI), SetPadding(2),
  EndContainer(),
  NWidgetFunction(MakePerformanceDetailPanels),
};
 
static WindowDesc _performance_rating_detail_desc(
  WDP_AUTO, "league_details", 0, 0,
  WC_PERFORMANCE_DETAIL, WC_NONE,
  0,
  _nested_performance_rating_detail_widgets, lengthof(_nested_performance_rating_detail_widgets)
);
 
void ShowPerformanceRatingDetail()
{
  AllocateWindowDescFront<PerformanceRatingDetailWindow>(&_performance_rating_detail_desc, 0);
}
 
void InitializeGraphGui()
{
  _legend_excluded_companies = 0;
  _legend_excluded_cargo = 0;
}