wldlg.c

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/***********************************************************************
 Freeciv - Copyright (C) 1996 - A Kjeldberg, L Gregersen, P Unold
   This program 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; either version 2, or (at your option)
   any later version.
 
   This program 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.
***********************************************************************/
/***********************************************************************
                          wldlg.c  -  description
                             -------------------
    begin                : Wed Sep 18 2002
    copyright            : (C) 2002 by Rafał Bursig
    email                : Rafał Bursig <bursig@poczta.fm>
***********************************************************************/
 
#ifdef HAVE_CONFIG_H
#include <fc_config.h>
#endif
 
#include <stdlib.h>
 
/* SDL2 */
#ifdef SDL2_PLAIN_INCLUDE
#include <SDL.h>
#else  /* SDL2_PLAIN_INCLUDE */
#include <SDL2/SDL.h>
#endif /* SDL2_PLAIN_INCLUDE */
 
/* utility */
#include "fcintl.h"
#include "log.h"
 
/* common */
#include "game.h"
#include "movement.h"
#include "unit.h"
 
/* client */
#include "client_main.h"
#include "climisc.h"
#include "global_worklist.h"
 
/* gui-sdl2 */
#include "citydlg.h"
#include "colors.h"
#include "graphics.h"
#include "gui_id.h"
#include "gui_main.h"
#include "gui_tilespec.h"
#include "helpdlg.h"
#include "mapview.h"
#include "sprite.h"
#include "themespec.h"
#include "widget.h"
 
#include "wldlg.h"
 
#define TARGETS_COL 4
#define TARGETS_ROW 4
 
struct wl_editor {
  struct widget *begin_widget_list;
  struct widget *end_widget_list; /* window */
 
  struct advanced_dialog *targets;
  struct advanced_dialog *work;
  struct advanced_dialog *global;
 
  struct city *pcity;
  int global_worklist_id;
  struct worklist worklist_copy;
  char worklist_name[MAX_LEN_NAME];
 
  /* shortcuts  */
  struct widget *dock;
  struct widget *worklist_counter;
 
  struct widget *production_name;
  struct widget *production_progress;
 
  int stock;
  struct universal currently_building;
} *editor = NULL;
 
 
static int worklist_editor_item_callback(struct widget *pwidget);
static SDL_Surface *get_progress_icon(int stock, int cost, int *progress);
static const char *get_production_name(struct city *pcity,
                                       struct universal prod, int *cost);
static void refresh_worklist_count_label(void);
static void refresh_production_label(int stock);
 
/* =========================================================== */
 
/**********************************************************************/
static int window_worklist_editor_callback(struct widget *pwidget)
{
  return -1;
}
 
/**********************************************************************/
static int popdown_worklist_editor_callback(struct widget *pwidget)
{
  if (PRESSED_EVENT(main_data.event)) {
    popdown_worklist_editor();
  }
 
  return -1;
}
 
/**********************************************************************/
static int ok_worklist_editor_callback(struct widget *pwidget)
{
  if (PRESSED_EVENT(main_data.event)) {
    int i, j;
    struct city *pcity = editor->pcity;
 
    /* remove duplicate entry of impv./wonder target from worklist */
    for (i = 0; i < worklist_length(&editor->worklist_copy); i++) {
      if (VUT_IMPROVEMENT == editor->worklist_copy.entries[i].kind) {
        for (j = i + 1; j < worklist_length(&editor->worklist_copy); j++) {
          if (VUT_IMPROVEMENT == editor->worklist_copy.entries[j].kind
              && editor->worklist_copy.entries[i].value.building ==
              editor->worklist_copy.entries[j].value.building) {
            worklist_remove(&editor->worklist_copy, j);
          }
        }
      }
    }
 
    if (pcity) {
      /* remove duplicate entry of currently building impv./wonder from worklist */
      if (VUT_IMPROVEMENT == editor->currently_building.kind) {
        for (i = 0; i < worklist_length(&editor->worklist_copy); i++) {
          if (VUT_IMPROVEMENT == editor->worklist_copy.entries[i].kind
              && editor->worklist_copy.entries[i].value.building ==
              editor->currently_building.value.building) {
            worklist_remove(&editor->worklist_copy, i);
          }
        }
      }
 
      /* change production */
      if (!are_universals_equal(&pcity->production, &editor->currently_building)) {
        city_change_production(pcity, &editor->currently_building);
      }
 
      /* commit new city worklist */
      city_set_worklist(pcity, &editor->worklist_copy);
    } else {
      /* commit global worklist */
      struct global_worklist *gwl = global_worklist_by_id(editor->global_worklist_id);
 
      if (gwl) {
        global_worklist_set(gwl, &editor->worklist_copy);
        global_worklist_set_name(gwl, editor->worklist_name);
        update_worklist_report_dialog();
      }
    }
 
    /* popdown dialog */
    popdown_worklist_editor();
  }
 
  return -1;
}
 
/**********************************************************************/
static int rename_worklist_editor_callback(struct widget *pwidget)
{
  if (PRESSED_EVENT(main_data.event)) {
    if (pwidget->string_utf8->text != NULL) {
      fc_snprintf(editor->worklist_name, MAX_LEN_NAME, "%s",
                  pwidget->string_utf8->text);
    } else {
      /* empty input -> restore previous content */
      copy_chars_to_utf8_str(pwidget->string_utf8, editor->worklist_name);
      widget_redraw(pwidget);
      widget_mark_dirty(pwidget);
      flush_dirty();
    }
  }
 
  return -1;
}
 
/* ====================================================================== */
 
/**********************************************************************/
static void add_target_to_worklist(struct widget *target)
{
  struct widget *buf = NULL, *dock = NULL;
  utf8_str *pstr = NULL;
  int i;
  struct universal prod = cid_decode(MAX_ID - target->id);
 
  set_wstate(target, FC_WS_SELECTED);
  widget_redraw(target);
  widget_flush(target);
 
  /* Deny adding currently building Impr/Wonder Target */
  if (editor->pcity
      && VUT_IMPROVEMENT == prod.kind
      && are_universals_equal(&prod, &editor->currently_building)) {
    return;
  }
 
  if (worklist_length(&editor->worklist_copy) >= MAX_LEN_WORKLIST - 1) {
    return;
  }
 
  for (i = 0; i < worklist_length(&editor->worklist_copy); i++) {
    if (VUT_IMPROVEMENT == prod.kind
        && are_universals_equal(&prod, &editor->worklist_copy.entries[i])) {
      return;
    }
  }
 
  worklist_append(&editor->worklist_copy, &prod);
 
  /* Create widget entry */
  if (VUT_UTYPE == prod.kind) {
    pstr = create_utf8_from_char_fonto(utype_name_translation(prod.value.utype),
                                       FONTO_DEFAULT);
  } else {
    pstr = create_utf8_from_char_fonto(city_improvement_name_translation(editor->pcity,
                                                                   prod.value.building),
                                       FONTO_DEFAULT);
  }
 
  pstr->style |= SF_CENTER;
  buf = create_iconlabel(NULL, target->dst, pstr,
                          (WF_RESTORE_BACKGROUND|WF_FREE_DATA));
 
  set_wstate(buf, FC_WS_NORMAL);
  buf->action = worklist_editor_item_callback;
 
  buf->data.ptr = fc_calloc(1, sizeof(int));
  *((int *)buf->data.ptr) = worklist_length(&editor->worklist_copy) - 1;
 
  buf->id = MAX_ID - cid_encode(prod);
 
  if (editor->work->begin_active_widget_list) {
    dock = editor->work->begin_active_widget_list;
  } else {
    dock = editor->dock;
  }
 
/* FIXME */
#if 0
  if (worklist_length(&editor->worklist_copy) > editor->work->scroll->active + 1) {
 
    setup_vertical_widgets_position(1,
      editor->end_widget_list->area.x + adj_size(2),
      get_widget_pointer_from_main_list(ID_WINDOW)->area.y + adj_size(152) +
        editor->work->scroll->up_left_button->size.h + 1,
      adj_size(126), 0, editor->work->begin_widget_list,
      editor->work->end_widget_list);
 
    setup_vertical_scrollbar_area(editor->work->scroll,
        editor->end_widget_list->area.x + adj_size(2),
        get_widget_pointer_from_main_list(ID_WINDOW)->area.y + adj_size(152),
        adj_size(225), FALSE);
 
    show_scrollbar(editor->work->scroll);
  }
#endif /* 0 */
 
  add_widget_to_vertical_scroll_widget_list(editor->work, buf,
                                            dock, FALSE,
                                            editor->end_widget_list->area.x + adj_size(2),
                                            editor->end_widget_list->area.y + adj_size(152));
 
  buf->size.w = adj_size(126);
 
  refresh_worklist_count_label();
  redraw_group(editor->work->begin_widget_list,
               editor->work->end_widget_list, TRUE);
  flush_dirty();
}
 
/**********************************************************************/
static bool are_prods_same_class(const struct universal *one,
                                 const struct universal *two)
{
  if (one->kind != two->kind) {
    return FALSE;
  }
 
  if (VUT_IMPROVEMENT == one->kind) {
    if (is_wonder(one->value.building)) {
      return is_wonder(two->value.building);
    } else {
      return !is_wonder(two->value.building);
    }
  }
 
  return FALSE;
}
 
/**********************************************************************/
static void change_production(struct universal *prod)
{
  if (!are_prods_same_class(&editor->currently_building, prod)) {
    if (editor->stock != editor->pcity->shield_stock) {
      if (are_prods_same_class(&editor->pcity->production, prod)) {
        editor->stock = editor->pcity->shield_stock;
      }
    } else {
      editor->stock =
        city_change_production_penalty(editor->pcity, prod);
    }
  }
 
  editor->currently_building = *prod;
  refresh_production_label(editor->stock);
}
 
/**********************************************************************/
static void add_target_to_production(struct widget *target)
{
  int dummy;
  struct universal prod;
 
  fc_assert_ret(target != NULL);
 
  /* redraw Target Icon */
  set_wstate(target, FC_WS_SELECTED);
  widget_redraw(target);
  widget_flush(target);
 
  prod = cid_decode(MAX_ID - target->id);
 
  /* check if we change to the same target */
  if (are_universals_equal(&prod, &editor->currently_building)) {
    /* comit changes and exit - double click detection */
    ok_worklist_editor_callback(NULL);
    return;
  }
 
  change_production(&prod);
 
  /* change Production Text Label in Worklist Widget list */
  copy_chars_to_utf8_str(editor->work->end_active_widget_list->string_utf8,
                         get_production_name(editor->pcity, prod, &dummy));
 
  editor->work->end_active_widget_list->id = MAX_ID - cid_encode(prod);
 
  widget_redraw(editor->work->end_active_widget_list);
  widget_mark_dirty(editor->work->end_active_widget_list);
 
  flush_dirty();
}
 
/**********************************************************************/
static void get_target_help_data(struct widget *target)
{
  struct universal prod;
 
  fc_assert_ret(target != NULL);
 
  /* redraw Target Icon */
  set_wstate(target, FC_WS_SELECTED);
  widget_redraw(target);
  /*widget_flush(target);*/
 
  prod = cid_decode(MAX_ID - target->id);
 
  if (VUT_UTYPE == prod.kind) {
    popup_unit_info(utype_number(prod.value.utype));
  } else {
    popup_impr_info(improvement_number(prod.value.building));
  }
}
 
/**********************************************************************/
static int worklist_editor_targets_callback(struct widget *pwidget)
{
  if (main_data.event.type == SDL_MOUSEBUTTONDOWN) {
    switch (main_data.event.button.button) {
    case SDL_BUTTON_LEFT:
      if (editor->pcity) {
        add_target_to_production(pwidget);
      } else {
        add_target_to_worklist(pwidget);
      }
      break;
    case SDL_BUTTON_MIDDLE:
      get_target_help_data(pwidget);
      break;
    case SDL_BUTTON_RIGHT:
      add_target_to_worklist(pwidget);
      break;
    default:
      /* do nothing */
      break;
    }
  } else if (PRESSED_EVENT(main_data.event)) {
    if (editor->pcity) {
      add_target_to_production(pwidget);
    } else {
      add_target_to_worklist(pwidget);
    }
  }
 
  return -1;
}
 
/* ====================================================================== */
 
/**********************************************************************/
static void remove_item_from_worklist(struct widget *item)
{
  /* only one item (production) is left */
  if (worklist_is_empty(&editor->worklist_copy)) {
    return;
  }
 
  if (item->data.ptr) {
    /* correct "data" widget fields */
    struct widget *buf = item;
 
    if (buf != editor->work->begin_active_widget_list) {
      do {
        buf = buf->prev;
        *((int *)buf->data.ptr) = *((int *)buf->data.ptr) - 1;
      } while (buf != editor->work->begin_active_widget_list);
    }
 
    /* remove element from worklist */
    worklist_remove(&editor->worklist_copy, *((int *)item->data.ptr));
 
    /* remove widget from widget list */
    del_widget_from_vertical_scroll_widget_list(editor->work, item);
  } else {
    /* change productions to first worklist element */
    struct widget *buf = item->prev;
 
    change_production(&editor->worklist_copy.entries[0]);
    worklist_advance(&editor->worklist_copy);
    del_widget_from_vertical_scroll_widget_list(editor->work, item);
    FC_FREE(buf->data.ptr);
    if (buf != editor->work->begin_active_widget_list) {
      do {
        buf = buf->prev;
        *((int *)buf->data.ptr) = *((int *)buf->data.ptr) - 1;
      } while (buf != editor->work->begin_active_widget_list);
    }
  }
 
/* FIXME: fix scrollbar code */
#if 0
  /* worklist_length(&editor->worklist_copy): without production */
  if (worklist_length(&editor->worklist_copy) <= editor->work->scroll->active + 1) {
 
    setup_vertical_widgets_position(1,
      editor->end_widget_list->area.x + adj_size(2),
      get_widget_pointer_from_main_list(ID_WINDOW)->area.y + adj_size(152),
        adj_size(126), 0, editor->work->begin_widget_list,
      editor->work->end_widget_list);
#if 0
    setup_vertical_scrollbar_area(editor->work->scroll,
        editor->end_widget_list->area.x + adj_size(2),
        get_widget_pointer_from_main_list(ID_WINDOW)->area.y + adj_size(152),
        adj_size(225), FALSE);*/
#endif /* 0 */
    hide_scrollbar(editor->work->scroll);
  }
#endif /* 0 */
 
  refresh_worklist_count_label();
  redraw_group(editor->work->begin_widget_list,
               editor->work->end_widget_list, TRUE);
  flush_dirty();
}
 
/**********************************************************************/
static void swap_item_down_from_worklist(struct widget *item)
{
  char *text;
  Uint16 id;
  bool changed = FALSE;
  struct universal tmp;
 
  if (item == editor->work->begin_active_widget_list) {
    remove_item_from_worklist(item);
    return;
  }
 
  text = item->string_utf8->text;
  id = item->id;
 
  /* second item or higher was clicked */
  if (item->data.ptr) {
    /* worklist operations -> swap down */
    int row = *((int *)item->data.ptr);
 
    tmp = editor->worklist_copy.entries[row];
    editor->worklist_copy.entries[row] = editor->worklist_copy.entries[row + 1];
    editor->worklist_copy.entries[row + 1] = tmp;
 
    changed = TRUE;
  } else {
    /* first item was clicked -> change production */
    change_production(&editor->worklist_copy.entries[0]);
    editor->worklist_copy.entries[0] = cid_decode(MAX_ID - id);
    changed = TRUE;
  }
 
  if (changed) {
    item->string_utf8->text = item->prev->string_utf8->text;
    item->id = item->prev->id;
 
    item->prev->string_utf8->text = text;
    item->prev->id = id;
 
    redraw_group(editor->work->begin_widget_list,
                 editor->work->end_widget_list, TRUE);
    flush_dirty();
  }
}
 
/**********************************************************************/
static void swap_item_up_from_worklist(struct widget *item)
{
  char *text = item->string_utf8->text;
  Uint16 id = item->id;
  bool changed = FALSE;
  struct universal tmp;
 
  /* first item was clicked -> remove */
  if (item == editor->work->end_active_widget_list) {
    remove_item_from_worklist(item);
 
    return;
  }
 
  /* third item or higher was clicked */
  if (item->data.ptr && *((int *)item->data.ptr) > 0) {
    /* worklist operations -> swap up */
    int row = *((int *)item->data.ptr);
 
    tmp = editor->worklist_copy.entries[row];
    editor->worklist_copy.entries[row] = editor->worklist_copy.entries[row - 1];
    editor->worklist_copy.entries[row - 1] = tmp;
 
    changed = TRUE;
  } else {
    /* second item was clicked -> change production ... */
    tmp = editor->currently_building;
    change_production(&editor->worklist_copy.entries[0]);
    editor->worklist_copy.entries[0] = tmp;
 
    changed = TRUE;
  }
 
  if (changed) {
    item->string_utf8->text = item->next->string_utf8->text;
    item->id = item->next->id;
 
    item->next->string_utf8->text = text;
    item->next->id = id;
 
    redraw_group(editor->work->begin_widget_list,
                 editor->work->end_widget_list, TRUE);
    flush_dirty();
  }
}
 
/**********************************************************************/
static int worklist_editor_item_callback(struct widget *pwidget)
{
  if (main_data.event.type == SDL_MOUSEBUTTONDOWN) {
    switch (main_data.event.button.button) {
    case SDL_BUTTON_LEFT:
      swap_item_up_from_worklist(pwidget);
      break;
    case SDL_BUTTON_MIDDLE:
      remove_item_from_worklist(pwidget);
      break;
    case SDL_BUTTON_RIGHT:
      swap_item_down_from_worklist(pwidget);
      break;
    default:
      ;/* do nothing */
      break;
    }
  } else if (PRESSED_EVENT(main_data.event)) {
    swap_item_up_from_worklist(pwidget);
  }
 
  return -1;
}
/* ======================================================= */
 
/**********************************************************************/
static void add_global_worklist(struct widget *pwidget)
{
  struct global_worklist *gwl = global_worklist_by_id(MAX_ID - pwidget->id);
  const struct worklist *pworklist;
  int count, firstfree;
 
  if (!gwl
      || !(pworklist = global_worklist_get(gwl))
      || worklist_is_empty(pworklist)) {
    return;
  }
 
  if (worklist_length(&editor->worklist_copy) >= MAX_LEN_WORKLIST - 1) {
    /* Worklist is full */
    return;
  }
 
  firstfree = worklist_length(&editor->worklist_copy);
  /* Copy global worklist to city worklist */
  for (count = 0 ; count < worklist_length(pworklist); count++) {
    struct widget *buf;
 
    /* Global worklist can have targets unavilable in current state of game
       then we must remove those targets from new city worklist */
    if (!can_city_build_later(editor->pcity, &pworklist->entries[count])) {
      continue;
    }
 
    worklist_append(&editor->worklist_copy, &pworklist->entries[count]);
 
    /* Create widget */
    if (VUT_UTYPE == pworklist->entries[count].kind) {
      buf = create_iconlabel(NULL, pwidget->dst,
                              create_utf8_from_char_fonto(
                      utype_name_translation(pworklist->entries[count].value.utype),
                      FONTO_DEFAULT),
                              (WF_RESTORE_BACKGROUND|WF_FREE_DATA));
      buf->id = MAX_ID - cid_encode_unit(pworklist->entries[count].value.utype);
    } else {
      buf = create_iconlabel(NULL, pwidget->dst,
                              create_utf8_from_char_fonto(
                      city_improvement_name_translation(editor->pcity,
                                                        pworklist->entries[count].value.building),
                      FONTO_DEFAULT),
                              (WF_RESTORE_BACKGROUND|WF_FREE_DATA));
      buf->id = MAX_ID - cid_encode_building(pworklist->entries[count].value.building);
    }
 
    buf->string_utf8->style |= SF_CENTER;
    set_wstate(buf, FC_WS_NORMAL);
    buf->action = worklist_editor_item_callback;
    buf->size.w = adj_size(126);
    buf->data.ptr = fc_calloc(1, sizeof(int));
    *((int *)buf->data.ptr) = firstfree;
 
    add_widget_to_vertical_scroll_widget_list(editor->work,
                                              buf, editor->work->begin_active_widget_list,
                                              FALSE,
                                              editor->end_widget_list->area.x + adj_size(2),
                                              editor->end_widget_list->area.y + adj_size(152));
 
    firstfree++;
    if (firstfree == MAX_LEN_WORKLIST - 1) {
      break;
    }
  }
 
  refresh_worklist_count_label();
  redraw_group(editor->work->begin_widget_list,
               editor->work->end_widget_list, TRUE);
 
  flush_dirty();
}
 
/**********************************************************************/
static void set_global_worklist(struct widget *pwidget)
{
  struct global_worklist *gwl = global_worklist_by_id(MAX_ID - pwidget->id);
  struct widget *buf = editor->work->end_active_widget_list;
  const struct worklist *pworklist;
  struct worklist wl;
  int count, wl_count;
  struct universal target;
 
  if (!gwl
      || !(pworklist = global_worklist_get(gwl))
      || worklist_is_empty(pworklist)) {
    return;
  }
 
  /* clear tmp worklist */
  worklist_init(&wl);
 
  wl_count = 0;
  /* copy global worklist to city worklist */
  for (count = 0; count < worklist_length(pworklist); count++) {
    /* global worklist can have targets unavilable in current state of game
       then we must remove those targets from new city worklist */
    if (!can_city_build_later(editor->pcity, &pworklist->entries[count])) {
      continue;
    }
 
    wl.entries[wl_count] = pworklist->entries[count];
    wl_count++;
  }
  /* --------------------------------- */
 
  if (!worklist_is_empty(&wl)) {
    /* free old widget list */
    if (buf != editor->work->begin_active_widget_list) {
      buf = buf->prev;
      if (buf != editor->work->begin_active_widget_list) {
        do {
          buf = buf->prev;
          del_widget_from_vertical_scroll_widget_list(editor->work, buf->next);
        } while (buf != editor->work->begin_active_widget_list);
      }
      del_widget_from_vertical_scroll_widget_list(editor->work, buf);
    }
    /* --------------------------------- */
 
    worklist_copy(&editor->worklist_copy, &wl);
 
    /* --------------------------------- */
    /* Create new widget list */
    for (count = 0; count < MAX_LEN_WORKLIST; count++) {
      /* End of list */
      if (!worklist_peek_ith(&editor->worklist_copy, &target, count)) {
        break;
      }
 
      if (VUT_UTYPE == target.kind) {
        buf = create_iconlabel(NULL, pwidget->dst,
          create_utf8_from_char_fonto(utype_name_translation(target.value.utype),
                                      FONTO_DEFAULT),
                               (WF_RESTORE_BACKGROUND|WF_FREE_DATA));
        buf->id = MAX_ID - B_LAST - utype_number(target.value.utype);
      } else {
        buf = create_iconlabel(NULL, pwidget->dst,
          create_utf8_from_char_fonto(city_improvement_name_translation(editor->pcity,
                                                                  target.value.building),
                                      FONTO_DEFAULT),
                               (WF_RESTORE_BACKGROUND|WF_FREE_DATA));
        buf->id = MAX_ID - improvement_number(target.value.building);
      }
      buf->string_utf8->style |= SF_CENTER;
      set_wstate(buf, FC_WS_NORMAL);
      buf->action = worklist_editor_item_callback;
      buf->size.w = adj_size(126);
      buf->data.ptr = fc_calloc(1, sizeof(int));
      *((int *)buf->data.ptr) = count;
 
      add_widget_to_vertical_scroll_widget_list(editor->work,
        buf, editor->work->begin_active_widget_list, FALSE,
        editor->end_widget_list->area.x + adj_size(2),
        editor->end_widget_list->area.y + adj_size(152));
    }
 
    refresh_worklist_count_label();
    redraw_group(editor->work->begin_widget_list,
                 editor->work->end_widget_list, TRUE);
 
    flush_dirty();
  }
}
 
/**********************************************************************/
static int global_worklist_callback(struct widget *pwidget)
{
  if (main_data.event.type == SDL_MOUSEBUTTONDOWN) {
    switch (main_data.event.button.button) {
    case SDL_BUTTON_LEFT:
      add_global_worklist(pwidget);
      break;
    case SDL_BUTTON_MIDDLE:
      /* nothing */
      break;
    case SDL_BUTTON_RIGHT:
      set_global_worklist(pwidget);
      break;
    default:
      /* do nothing */
      break;
    }
  } else if (PRESSED_EVENT(main_data.event)) {
    add_global_worklist(pwidget);
  }
 
  return -1;
}
 
/* ======================================================= */
 
/**********************************************************************/
static const char *get_production_name(struct city *pcity,
                                       struct universal prod, int *cost)
{
  fc_assert_ret_val(cost != NULL, NULL);
 
  *cost = universal_build_shield_cost(pcity, &prod);
 
  if (VUT_UTYPE == prod.kind) {
    return utype_name_translation(prod.value.utype);
  } else {
    return city_improvement_name_translation(pcity, prod.value.building);
  }
}
 
/**********************************************************************/
static SDL_Surface *get_progress_icon(int stock, int cost, int *progress)
{
  SDL_Surface *icon = NULL;
  int width;
 
  fc_assert_ret_val(progress != NULL, NULL);
 
  if (stock < cost) {
    width = ((float)stock / cost) * adj_size(116.0);
    *progress = ((float)stock / cost) * 100.0;
    if (!width && stock) {
      *progress = 1;
      width = 1;
    }
  } else {
    width = adj_size(116);
    *progress = 100;
  }
 
  icon = create_bcgnd_surf(current_theme->edit, FC_WS_NORMAL, adj_size(120), adj_size(30));
 
  if (width) {
    SDL_Rect dst = {2,1,0,0};
    SDL_Surface *buf = create_bcgnd_surf(current_theme->button, FC_WS_DISABLED, width,
                                         adj_size(28));
 
    alphablit(buf, NULL, icon, &dst, 255);
    FREESURFACE(buf);
  }
 
  return icon;
}
 
/**********************************************************************/
static void refresh_production_label(int stock)
{
  int cost, turns;
  char cbuf[64];
  SDL_Rect area;
  bool gold_prod = improvement_has_flag(editor->currently_building.value.building,
                                        IF_GOLD);
  const char *name = get_production_name(editor->pcity,
                                         editor->currently_building, &cost);
 
  if (VUT_IMPROVEMENT == editor->currently_building.kind && gold_prod) {
    int gold = MAX(0, editor->pcity->surplus[O_SHIELD]);
 
    fc_snprintf(cbuf, sizeof(cbuf),
                PL_("%s\n%d gold per turn",
                    "%s\n%d gold per turn", gold),
                name, gold);
  } else {
    if (stock < cost) {
      turns = city_turns_to_build(editor->pcity,
                                  &editor->currently_building, TRUE);
      if (turns == 999) {
        fc_snprintf(cbuf, sizeof(cbuf), _("%s\nblocked!"), name);
      } else {
        fc_snprintf(cbuf, sizeof(cbuf), _("%s\n%d %s"),
                    name, turns, PL_("turn", "turns", turns));
      }
    } else {
      fc_snprintf(cbuf, sizeof(cbuf), _("%s\nfinished!"), name);
    }
  }
  copy_chars_to_utf8_str(editor->production_name->string_utf8, cbuf);
 
  widget_undraw(editor->production_name);
  remake_label_size(editor->production_name);
 
  editor->production_name->size.x = editor->end_widget_list->area.x +
    (adj_size(130) - editor->production_name->size.w)/2;
 
  /* Can't just widget_mark_dirty(), as it may have reduced in size */
  area.x = editor->end_widget_list->area.x;  /* left edge of client area */
  area.y = editor->production_name->size.y;
  area.w = adj_size(130);
  area.h = editor->production_name->size.h;
  layer_rect_to_screen_rect(editor->end_widget_list->dst, &area);
 
  if (get_wflags(editor->production_name) & WF_RESTORE_BACKGROUND) {
    refresh_widget_background(editor->production_name);
  }
 
  widget_redraw(editor->production_name);
  dirty_sdl_rect(&area);
 
  FREESURFACE(editor->production_progress->theme);
  editor->production_progress->theme =
    get_progress_icon(stock, cost, &cost);
 
  if (!gold_prod) {
    fc_snprintf(cbuf, sizeof(cbuf), "%d%%" , cost);
  } else {
    fc_snprintf(cbuf, sizeof(cbuf), "-");
  }
  copy_chars_to_utf8_str(editor->production_progress->string_utf8, cbuf);
  widget_redraw(editor->production_progress);
  widget_mark_dirty(editor->production_progress);
}
 
/**********************************************************************/
static void refresh_worklist_count_label(void)
{
  char cbuf[64];
  SDL_Rect area;
  int len = worklist_length(&editor->worklist_copy);
 
  if (editor->pcity != NULL) {
    len += 1;  /* External entry from current production */
  }
 
  fc_snprintf(cbuf, sizeof(cbuf),
              /* TRANS: length of worklist */
              PL_("( %d entry )", "( %d entries )", len), len);
  copy_chars_to_utf8_str(editor->worklist_counter->string_utf8, cbuf);
 
  widget_undraw(editor->worklist_counter);
  remake_label_size(editor->worklist_counter);
 
  editor->worklist_counter->size.x = editor->end_widget_list->area.x +
    (adj_size(130) - editor->worklist_counter->size.w)/2;
 
  if (get_wflags(editor->worklist_counter) & WF_RESTORE_BACKGROUND) {
    refresh_widget_background(editor->worklist_counter);
  }
 
  widget_redraw(editor->worklist_counter);
 
  /* Can't just widget_mark_dirty(), as it may have reduced in size */
  area.x = editor->end_widget_list->area.x;  /* left edge of client area */
  area.y = editor->worklist_counter->size.y;
  area.w = adj_size(130);
  area.h = editor->worklist_counter->size.h;
  layer_rect_to_screen_rect(editor->end_widget_list->dst, &area);
  dirty_sdl_rect(&area);
}
 
/* ====================================================================== */
 
/**********************************************************************/
void popup_worklist_editor(struct city *pcity, struct global_worklist *gwl)
{
  SDL_Color bg_color = {255,255,255,128};
  SDL_Color bg_color2 = {255,255,255,136};
  int count = 0, turns;
  int widget_w = 0, widget_h = 0;
  utf8_str *pstr = NULL;
  struct widget *buf = NULL, *pwindow, *last;
  SDL_Surface *text = NULL, *text_name = NULL, *zoomed = NULL;
  SDL_Surface *main_surf;
  SDL_Surface *icon;
  SDL_Rect dst;
  char cbuf[128];
  struct unit_type *punittype = NULL;
  char *state = NULL;
  bool advanced_tech;
  bool can_build, can_eventually_build;
  SDL_Rect area;
  int len;
 
  if (editor) {
    return;
  }
 
  editor = fc_calloc(1, sizeof(struct wl_editor));
 
  if (pcity) {
    editor->pcity = pcity;
    editor->global_worklist_id = -1;
    editor->currently_building = pcity->production;
    editor->stock = pcity->shield_stock;
    worklist_copy(&editor->worklist_copy, &pcity->worklist);
    fc_snprintf(editor->worklist_name, sizeof(editor->worklist_name),
                "%s worklist", city_name_get(pcity));
  } else if (gwl != NULL) {
    editor->pcity = NULL;
    editor->global_worklist_id = global_worklist_id(gwl);
    worklist_copy(&editor->worklist_copy, global_worklist_get(gwl));
    sz_strlcpy(editor->worklist_name, global_worklist_name(gwl));
  } else {
    /* Not valid variant! */
    return;
  }
 
  len = worklist_length(&editor->worklist_copy);
  advanced_tech = (pcity == NULL);
 
  /* --------------- */
  /* create Target Background Icon */
  main_surf = create_surf(adj_size(116), adj_size(116), SDL_SWSURFACE);
  SDL_FillRect(main_surf, NULL, map_rgba(main_surf->format, bg_color));
 
  create_frame(main_surf,
               0, 0, main_surf->w - 1, main_surf->h - 1,
               get_theme_color(COLOR_THEME_WLDLG_FRAME));
 
  /* ---------------- */
  /* Create Main Window */
  pwindow = create_window_skeleton(NULL, NULL, 0);
  pwindow->action = window_worklist_editor_callback;
  set_wstate(pwindow, FC_WS_NORMAL);
 
  add_to_gui_list(ID_WINDOW, pwindow);
  editor->end_widget_list = pwindow;
 
  area = pwindow->area;
 
  /* ---------------- */
  if (pcity) {
    fc_snprintf(cbuf, sizeof(cbuf), _("Worklist of\n%s"), city_name_get(pcity));
    len += 1;  /* External entry from current production */
  } else {
    fc_snprintf(cbuf, sizeof(cbuf), "%s", global_worklist_name(gwl));
  }
 
  pstr = create_utf8_from_char_fonto(cbuf, FONTO_ATTENTION);
  pstr->style |= (TTF_STYLE_BOLD|SF_CENTER);
 
  buf = create_iconlabel(NULL, pwindow->dst, pstr, WF_RESTORE_BACKGROUND);
 
  add_to_gui_list(ID_LABEL, buf);
  /* --------------------------- */
 
  fc_snprintf(cbuf, sizeof(cbuf),
              /* TRANS: Length of worklist */
              PL_("( %d entry )", "( %d entries )", len), len);
  pstr = create_utf8_from_char_fonto(cbuf, FONTO_DEFAULT);
  pstr->bgcol = (SDL_Color) {0, 0, 0, 0};
  buf = create_iconlabel(NULL, pwindow->dst, pstr, WF_RESTORE_BACKGROUND);
  editor->worklist_counter = buf;
  add_to_gui_list(ID_LABEL, buf);
  /* --------------------------- */
 
  /* Create production progress label or rename worklist edit */
  if (pcity) {
    /* count == cost */
    /* turns == progress */
    const char *name = city_production_name_translation(pcity);
    bool gold_prod = city_production_has_flag(pcity, IF_GOLD);
 
    count = city_production_build_shield_cost(pcity);
 
    if (gold_prod) {
      int gold = MAX(0, pcity->surplus[O_SHIELD]);
 
      fc_snprintf(cbuf, sizeof(cbuf),
                  PL_("%s\n%d gold per turn",
                      "%s\n%d gold per turn", gold),
                  name, gold);
    } else {
      if (pcity->shield_stock < count) {
        turns = city_production_turns_to_build(pcity, TRUE);
        if (turns == 999) {
          fc_snprintf(cbuf, sizeof(cbuf), _("%s\nblocked!"), name);
        } else {
          fc_snprintf(cbuf, sizeof(cbuf), _("%s\n%d %s"),
                      name, turns, PL_("turn", "turns", turns));
        }
      } else {
        fc_snprintf(cbuf, sizeof(cbuf), _("%s\nfinished!"), name);
      }
    }
    pstr = create_utf8_from_char_fonto(cbuf, FONTO_DEFAULT);
    pstr->style |= SF_CENTER;
    buf = create_iconlabel(NULL, pwindow->dst, pstr, WF_RESTORE_BACKGROUND);
 
    editor->production_name = buf;
    add_to_gui_list(ID_LABEL, buf);
 
    icon = get_progress_icon(pcity->shield_stock, count, &turns);
 
    if (!gold_prod) {
      fc_snprintf(cbuf, sizeof(cbuf), "%d%%" , turns);
    } else {
      fc_snprintf(cbuf, sizeof(cbuf), "-");
    }
    pstr = create_utf8_from_char_fonto(cbuf, FONTO_ATTENTION);
    pstr->style |= (TTF_STYLE_BOLD|SF_CENTER);
 
    buf = create_iconlabel(icon, pwindow->dst, pstr,
                           (WF_RESTORE_BACKGROUND|WF_ICON_CENTER|WF_FREE_THEME));
 
    icon = NULL;
    turns = 0;
    editor->production_progress = buf;
    add_to_gui_list(ID_LABEL, buf);
  } else {
    buf = create_edit_from_chars_fonto(NULL, pwindow->dst,
                                       global_worklist_name(gwl), FONTO_DEFAULT,
                                       adj_size(120), WF_RESTORE_BACKGROUND);
    buf->action = rename_worklist_editor_callback;
    set_wstate(buf, FC_WS_NORMAL);
 
    add_to_gui_list(ID_EDIT, buf);
  }
 
  /* --------------------------- */
  /* Commit Widget */
  buf = create_themeicon(current_theme->ok_icon, pwindow->dst, WF_RESTORE_BACKGROUND);
 
  buf->action = ok_worklist_editor_callback;
  set_wstate(buf, FC_WS_NORMAL);
  buf->key = SDLK_RETURN;
 
  add_to_gui_list(ID_BUTTON, buf);
  /* --------------------------- */
  /* Cancel Widget */
  buf = create_themeicon(current_theme->cancel_icon, pwindow->dst,
                         WF_RESTORE_BACKGROUND);
 
  buf->action = popdown_worklist_editor_callback;
  set_wstate(buf, FC_WS_NORMAL);
  buf->key = SDLK_ESCAPE;
 
  add_to_gui_list(ID_BUTTON, buf);
  /* --------------------------- */
  /* work list */
 
  /*
     pwidget->data filed will contains position of target in worklist all
     action on worklist (swap/romove/add) must correct this fields
 
     Production Widget Label in worklist Widget list
     will have this field NULL
  */
 
  editor->work = fc_calloc(1, sizeof(struct advanced_dialog));
 
  editor->work->scroll = fc_calloc(1, sizeof(struct scroll_bar));
  editor->work->scroll->count = 0;
  editor->work->scroll->active = MAX_LEN_WORKLIST;
  editor->work->scroll->step = 1;
 
/* FIXME: this should replace the 4 lines above, but
 *        editor->work->end_widget_list is not set yet */
#if 0
  create_vertical_scrollbar(editor->work, 1, MAX_LEN_WORKLIST, TRUE, TRUE);
#endif /* 0 */
 
  if (pcity) {
    /* Production Widget Label */
    pstr = create_utf8_from_char_fonto(city_production_name_translation(pcity),
                                       FONTO_DEFAULT);
    turns = city_production_build_shield_cost(pcity);
    pstr->style |= SF_CENTER;
    buf = create_iconlabel(NULL, pwindow->dst, pstr, WF_RESTORE_BACKGROUND);
 
    set_wstate(buf, FC_WS_NORMAL);
    buf->action = worklist_editor_item_callback;
 
    add_to_gui_list(MAX_ID - cid_encode(pcity->production), buf);
 
    editor->work->end_widget_list = buf;
    editor->work->begin_widget_list = buf;
    editor->work->end_active_widget_list = editor->work->end_widget_list;
    editor->work->begin_active_widget_list = editor->work->begin_widget_list;
    editor->work->scroll->count++;
  }
 
  last = buf;
  editor->dock = buf;
 
  /* Create Widget Labels of worklist entries */
 
  count = 0;
 
  worklist_iterate(&editor->worklist_copy, prod) {
    if (VUT_UTYPE == prod.kind) {
      pstr = create_utf8_from_char_fonto(utype_name_translation(prod.value.utype),
                                         FONTO_DEFAULT);
    } else {
      pstr = create_utf8_from_char_fonto(city_improvement_name_translation(pcity,
                                                                     prod.value.building),
                                         FONTO_DEFAULT);
    }
    pstr->style |= SF_CENTER;
    buf = create_iconlabel(NULL, pwindow->dst, pstr,
                            (WF_RESTORE_BACKGROUND|WF_FREE_DATA));
 
    set_wstate(buf, FC_WS_NORMAL);
    buf->action = worklist_editor_item_callback;
 
    buf->data.ptr = fc_calloc(1, sizeof(int));
    *((int *)buf->data.ptr) = count;
 
    add_to_gui_list(MAX_ID - cid_encode(prod), buf);
 
    count++;
 
    if (count > editor->work->scroll->active - 1) {
      set_wflag(buf, WF_HIDDEN);
    }
 
  } worklist_iterate_end;
 
  if (count) {
    if (!pcity) {
      editor->work->end_widget_list = last->prev;
      editor->work->end_active_widget_list = editor->work->end_widget_list;
    }
    editor->work->begin_widget_list = buf;
    editor->work->begin_active_widget_list = editor->work->begin_widget_list;
  } else {
    if (!pcity) {
      editor->work->end_widget_list = last;
    }
    editor->work->begin_widget_list = last;
  }
 
/* FIXME */
#if 0
  editor->work->active_widget_list = editor->work->end_active_widget_list;
  create_vertical_scrollbar(editor->work, 1,
                            editor->work->scroll->active, FALSE, TRUE);
  editor->work->scroll->up_left_button->size.w = adj_size(122);
  editor->work->scroll->down_right_button->size.w = adj_size(122);
 
  /* count: without production */
  if (count <= editor->work->scroll->active + 1) {
    if (count > 0) {
      struct widget *tmp = last;
 
      do {
        tmp = tmp->prev;
        clear_wflag(tmp, WF_HIDDEN);
      } while (tmp != buf);
    }
    hide_scrollbar(editor->work->scroll);
  }
#endif /* 0 */
 
  editor->work->scroll->count += count;
  last = editor->work->begin_widget_list;
 
  /* --------------------------- */
  /* Global worklists */
  if (pcity) {
    count = 0;
 
    global_worklists_iterate(iter_gwl) {
      buf = create_iconlabel_from_chars_fonto(NULL, pwindow->dst,
                                              global_worklist_name(iter_gwl),
                                              FONTO_DEFAULT,
                                              WF_RESTORE_BACKGROUND);
      set_wstate(buf, FC_WS_NORMAL);
      add_to_gui_list(MAX_ID - global_worklist_id(iter_gwl), buf);
      buf->string_utf8->style |= SF_CENTER;
      buf->action = global_worklist_callback;
      buf->string_utf8->fgcol = bg_color;
 
      count++;
 
      if (count > 4) {
        set_wflag(buf, WF_HIDDEN);
      }
    } global_worklists_iterate_end;
 
    if (count) {
      editor->global = fc_calloc(1, sizeof(struct advanced_dialog));
      editor->global->end_widget_list = last->prev;
      editor->global->end_active_widget_list = editor->global->end_widget_list;
      editor->global->begin_widget_list = buf;
      editor->global->begin_active_widget_list = editor->global->begin_widget_list;
 
      if (count > 6) {
        editor->global->active_widget_list = editor->global->end_active_widget_list;
 
        create_vertical_scrollbar(editor->global, 1, 4, FALSE, TRUE);
        editor->global->scroll->up_left_button->size.w = adj_size(122);
        editor->global->scroll->down_right_button->size.w = adj_size(122);
      } else {
        struct widget *tmp = last;
 
        do {
          tmp = tmp->prev;
          clear_wflag(tmp, WF_HIDDEN);
        } while (tmp != buf);
      }
 
      last = editor->global->begin_widget_list;
    }
  }
  /* ----------------------------- */
  count = 0;
  /* Targets units and imprv. to build */
  pstr = create_utf8_str_fonto(NULL, 0, FONTO_DEFAULT);
  pstr->style |= (SF_CENTER|TTF_STYLE_BOLD);
  pstr->bgcol = (SDL_Color) {0, 0, 0, 0};
 
  improvement_iterate(pimprove) {
    can_build = can_player_build_improvement_now(client.conn.playing, pimprove);
    can_eventually_build =
        can_player_build_improvement_later(client.conn.playing, pimprove);
 
    /* If there's a city, can the city build the improvement? */
    if (pcity) {
      can_build = can_build && can_city_build_improvement_now(pcity, pimprove);
      can_eventually_build = can_eventually_build
        && can_city_build_improvement_later(pcity, pimprove);
    }
 
    if ((advanced_tech && can_eventually_build)
        || (!advanced_tech && can_build)) {
 
      icon = crop_rect_from_surface(main_surf, NULL);
 
      fc_snprintf(cbuf, sizeof(cbuf), "%s", improvement_name_translation(pimprove));
      copy_chars_to_utf8_str(pstr, cbuf);
      pstr->style |= TTF_STYLE_BOLD;
 
      if (pcity && is_improvement_redundant(pcity, pimprove)) {
        pstr->style |= TTF_STYLE_STRIKETHROUGH;
      }
 
      text_name = create_text_surf_smaller_than_w(pstr, icon->w - 4);
 
      if (is_wonder(pimprove)) {
        if (improvement_obsolete(client.conn.playing, pimprove, pcity)) {
          state = _("Obsolete");
        } else if (is_great_wonder(pimprove)) {
          if (great_wonder_is_built(pimprove)) {
            state = _("Built");
          } else if (great_wonder_is_destroyed(pimprove)) {
            state = _("Destroyed");
          } else {
            state = _("Great Wonder");
          }
        } else if (is_small_wonder(pimprove)) {
          if (small_wonder_is_built(client.conn.playing, pimprove)) {
            state = _("Built");
          } else {
            state = _("Small Wonder");
          }
        }
      } else {
        state = NULL;
      }
 
      if (pcity) {
        if (!improvement_has_flag(pimprove, IF_GOLD)) {
          struct universal univ = cid_production(cid_encode_building(pimprove));
          int cost = impr_build_shield_cost(pcity, pimprove);
 
          turns = city_turns_to_build(pcity, &univ, TRUE);
 
          if (turns == FC_INFINITY) {
            if (state) {
              fc_snprintf(cbuf, sizeof(cbuf), _("(%s)\n%d/%d %s\n%s"),
                          state, pcity->shield_stock, cost,
                          PL_("shield", "shields", cost),
                          _("never"));
            } else {
              fc_snprintf(cbuf, sizeof(cbuf), _("%d/%d %s\n%s"),
                          pcity->shield_stock, cost,
                          PL_("shield", "shields", cost), _("never"));
            }
          } else {
            if (state) {
              fc_snprintf(cbuf, sizeof(cbuf), _("(%s)\n%d/%d %s\n%d %s"),
                          state, pcity->shield_stock, cost,
                          PL_("shield", "shields", cost),
                          turns, PL_("turn", "turns", turns));
            } else {
              fc_snprintf(cbuf, sizeof(cbuf), _("%d/%d %s\n%d %s"),
                          pcity->shield_stock, cost,
                          PL_("shield", "shields", cost),
                          turns, PL_("turn", "turns", turns));
            }
          }
        } else {
          /* capitalization */
          int gold = MAX(0, pcity->surplus[O_SHIELD]);
 
          fc_snprintf(cbuf, sizeof(cbuf), PL_("%d gold per turn",
                                              "%d gold per turn", gold),
                      gold);
        }
      } else {
        /* non city mode */
        if (!improvement_has_flag(pimprove, IF_GOLD)) {
          int cost = impr_build_shield_cost(NULL, pimprove);
 
          if (state) {
            fc_snprintf(cbuf, sizeof(cbuf), _("(%s)\n%d %s"),
                        state, cost,
                        PL_("shield", "shields", cost));
          } else {
            fc_snprintf(cbuf, sizeof(cbuf), _("%d %s"),
                        cost,
                        PL_("shield", "shields", cost));
          }
        } else {
          fc_snprintf(cbuf, sizeof(cbuf), _("shields into gold"));
        }
      }
 
      copy_chars_to_utf8_str(pstr, cbuf);
      pstr->style &= ~TTF_STYLE_BOLD;
      pstr->style &= ~TTF_STYLE_STRIKETHROUGH;
 
      text = create_text_surf_from_utf8(pstr);
 
      /*-----------------*/
 
      zoomed = get_building_surface(pimprove);
      zoomed = zoomSurface(zoomed, DEFAULT_ZOOM * ((float)54 / zoomed->w),
                           DEFAULT_ZOOM * ((float)54 / zoomed->w), 1);
      dst.x = (icon->w - zoomed->w) / 2;
      dst.y = (icon->h/2 - zoomed->h) / 2;
      alphablit(zoomed, NULL, icon, &dst, 255);
      dst.y += zoomed->h;
      FREESURFACE(zoomed);
 
      dst.x = (icon->w - text_name->w) / 2;
      dst.y += ((icon->h - dst.y) - (text_name->h + text->h)) / 2;
      alphablit(text_name, NULL, icon, &dst, 255);
 
      dst.x = (icon->w - text->w) / 2;
      dst.y += text_name->h;
      alphablit(text, NULL, icon, &dst, 255);
 
      FREESURFACE(text);
      FREESURFACE(text_name);
 
      buf = create_icon2(icon, pwindow->dst,
                         WF_RESTORE_BACKGROUND|WF_FREE_THEME);
      set_wstate(buf, FC_WS_NORMAL);
 
      widget_w = MAX(widget_w, buf->size.w);
      widget_h = MAX(widget_h, buf->size.h);
 
      buf->data.city = pcity;
      add_to_gui_list(MAX_ID - improvement_number(pimprove), buf);
      buf->action = worklist_editor_targets_callback;
 
      if (count > (TARGETS_ROW * TARGETS_COL - 1)) {
        set_wflag(buf, WF_HIDDEN);
      }
      count++;
    }
  } improvement_iterate_end;
 
  /* ------------------------------ */
 
  unit_type_iterate(un) {
    can_build = can_player_build_unit_now(client.conn.playing, un);
    can_eventually_build =
        can_player_build_unit_later(client.conn.playing, un);
 
    /* If there's a city, can the city build the unit? */
    if (pcity) {
      can_build = can_build && can_city_build_unit_now(pcity, un);
      can_eventually_build = can_eventually_build
        && can_city_build_unit_later(pcity, un);
    }
 
    if ((advanced_tech && can_eventually_build)
        || (!advanced_tech && can_build)) {
 
      punittype = un;
 
      icon = crop_rect_from_surface(main_surf, NULL);
 
      fc_snprintf(cbuf, sizeof(cbuf), "%s", utype_name_translation(un));
 
      copy_chars_to_utf8_str(pstr, cbuf);
      pstr->style |= TTF_STYLE_BOLD;
      text_name = create_text_surf_smaller_than_w(pstr, icon->w - 4);
 
      if (pcity) {
        struct universal univ = cid_production(cid_encode_unit(un));
        int cost = utype_build_shield_cost(pcity, NULL, un);
 
        turns = city_turns_to_build(pcity, &univ, TRUE);
 
        if (turns == FC_INFINITY) {
          fc_snprintf(cbuf, sizeof(cbuf),
                      _("(%d/%d/%s)\n%d/%d %s\nnever"),
                      punittype->attack_strength,
                      punittype->defense_strength,
                      move_points_text(punittype->move_rate, TRUE),
                      pcity->shield_stock, cost,
                      PL_("shield", "shields", cost));
        } else {
          fc_snprintf(cbuf, sizeof(cbuf),
                      _("(%d/%d/%s)\n%d/%d %s\n%d %s"),
                      punittype->attack_strength,
                      punittype->defense_strength,
                      move_points_text(punittype->move_rate, TRUE),
                      pcity->shield_stock, cost,
                      PL_("shield", "shields", cost),
                      turns, PL_("turn", "turns", turns));
        }
      } else {
        int cost = utype_build_shield_cost(NULL, client_player(), un);
 
        fc_snprintf(cbuf, sizeof(cbuf),
                    _("(%d/%d/%s)\n%d %s"),
                    punittype->attack_strength,
                    punittype->defense_strength,
                    move_points_text(punittype->move_rate, TRUE),
                    cost,
                    PL_("shield", "shields", cost));
      }
 
      copy_chars_to_utf8_str(pstr, cbuf);
      pstr->style &= ~TTF_STYLE_BOLD;
 
      text = create_text_surf_from_utf8(pstr);
 
      zoomed = adj_surf(get_unittype_surface(un, direction8_invalid()));
      dst.x = (icon->w - zoomed->w) / 2;
      dst.y = (icon->h / 2 - zoomed->h) / 2;
      alphablit(zoomed, NULL, icon, &dst, 255);
      FREESURFACE(zoomed);
 
      dst.x = (icon->w - text_name->w) / 2;
      dst.y = icon->h / 2 + (icon->h / 2 - (text_name->h + text->h)) / 2;
      alphablit(text_name, NULL, icon, &dst, 255);
 
      dst.x = (icon->w - text->w) / 2;
      dst.y += text_name->h;
      alphablit(text, NULL, icon, &dst, 255);
 
      FREESURFACE(text);
      FREESURFACE(text_name);
 
      buf = create_icon2(icon, pwindow->dst,
                         WF_RESTORE_BACKGROUND|WF_FREE_THEME);
      set_wstate(buf, FC_WS_NORMAL);
 
      widget_w = MAX(widget_w, buf->size.w);
      widget_h = MAX(widget_h, buf->size.h);
 
      buf->data.city = pcity;
      add_to_gui_list(MAX_ID - cid_encode_unit(un), buf);
      buf->action = worklist_editor_targets_callback;
 
      if (count > (TARGETS_ROW * TARGETS_COL - 1)) {
        set_wflag(buf, WF_HIDDEN);
      }
      count++;
 
    }
  } unit_type_iterate_end;
 
  editor->targets = fc_calloc(1, sizeof(struct advanced_dialog));
 
  editor->targets->end_widget_list = last->prev;
  editor->targets->begin_widget_list = buf;
  editor->targets->end_active_widget_list = editor->targets->end_widget_list;
  editor->targets->begin_active_widget_list = editor->targets->begin_widget_list;
  editor->targets->active_widget_list = editor->targets->end_active_widget_list;
 
  /* --------------- */
  if (count > (TARGETS_ROW * TARGETS_COL - 1)) {
    count = create_vertical_scrollbar(editor->targets,
                                      TARGETS_COL, TARGETS_ROW, TRUE, TRUE);
  } else {
    count = 0;
  }
  /* --------------- */
 
  editor->begin_widget_list = editor->targets->begin_widget_list;
 
  /* Window */
  area.w = MAX(area.w, widget_w * TARGETS_COL + count + adj_size(130));
  area.h = MAX(area.h, widget_h * TARGETS_ROW);
 
  icon = theme_get_background(active_theme, BACKGROUND_WLDLG);
  if (resize_window(pwindow, icon, NULL,
                    (pwindow->size.w - pwindow->area.w) + area.w,
                    (pwindow->size.h - pwindow->area.h) + area.h)) {
    FREESURFACE(icon);
  }
 
  area = pwindow->area;
 
  /* Backgrounds */
  dst.x = area.x;
  dst.y = area.y;
  dst.w = adj_size(130);
  dst.h = adj_size(145);
 
  SDL_FillRect(pwindow->theme, &dst,
               map_rgba(pwindow->theme->format,
                        *get_theme_color(COLOR_THEME_BACKGROUND)));
 
  create_frame(pwindow->theme,
               dst.x, dst.y, dst.w - 1, dst.h - 1,
               get_theme_color(COLOR_THEME_WLDLG_FRAME));
  create_frame(pwindow->theme,
               dst.x + 2, dst.y + 2, dst.w - 5, dst.h - 5,
               get_theme_color(COLOR_THEME_WLDLG_FRAME));
 
  dst.x = area.x;
  dst.y += dst.h + adj_size(2);
  dst.w = adj_size(130);
  dst.h = adj_size(228);
  fill_rect_alpha(pwindow->theme, &dst, &bg_color2);
 
  create_frame(pwindow->theme,
               dst.x, dst.y, dst.w - 1, dst.h - 1,
               get_theme_color(COLOR_THEME_WLDLG_FRAME));
 
  if (editor->global) {
    dst.x = area.x;
    dst.y += dst.h + adj_size(2);
    dst.w = adj_size(130);
    dst.h = pwindow->size.h - dst.y - adj_size(4);
 
    SDL_FillRect(pwindow->theme, &dst,
                 map_rgba(pwindow->theme->format,
                          *get_theme_color(COLOR_THEME_BACKGROUND)));
 
    create_frame(pwindow->theme,
                 dst.x, dst.y, dst.w - 1, dst.h - 1,
                 get_theme_color(COLOR_THEME_WLDLG_FRAME));
    create_frame(pwindow->theme,
                 dst.x + adj_size(2), dst.y + adj_size(2),
                 dst.w - adj_size(5), dst.h - adj_size(5),
                 get_theme_color(COLOR_THEME_WLDLG_FRAME));
  }
 
  widget_set_position(pwindow,
                      (main_window_width() - pwindow->size.w) / 2,
                      (main_window_height() - pwindow->size.h) / 2);
 
  /* name */
  buf = pwindow->prev;
  buf->size.x = area.x + (adj_size(130) - buf->size.w) / 2;
  buf->size.y = area.y + adj_size(4);
 
  /* size of worklist (without production) */
  buf = buf->prev;
  buf->size.x = area.x + (adj_size(130) - buf->size.w) / 2;
  buf->size.y = buf->next->size.y + buf->next->size.h;
 
  if (pcity) {
    /* current build and progress bar */
    buf = buf->prev;
    buf->size.x = area.x + (adj_size(130) - buf->size.w) / 2;
    buf->size.y = buf->next->size.y + buf->next->size.h + adj_size(5);
 
    buf = buf->prev;
    buf->size.x = area.x + (adj_size(130) - buf->size.w) / 2;
    buf->size.y = buf->next->size.y + buf->next->size.h;
  } else {
    /* rename worklist */
    buf = buf->prev;
    buf->size.x = area.x + (adj_size(130) - buf->size.w) / 2;
    buf->size.y = area.y + 1 + (adj_size(145) - buf->size.h) / 2;
  }
 
  /* ok button */
  buf = buf->prev;
  buf->size.x = area.x + (adj_size(65) - buf->size.w) / 2;
  buf->size.y = area.y + adj_size(135) - buf->size.h;
 
  /* exit button */
  buf = buf->prev;
  buf->size.x = area.x + adj_size(65) + (adj_size(65) - buf->size.w) / 2;
  buf->size.y = area.y + adj_size(135) - buf->size.h;
 
  /* worklist */
  /* editor->work->scroll->count: including production */
  if (len > 0) {
    /* FIXME */
    setup_vertical_widgets_position(1,
                                    area.x + adj_size(2), area.y + adj_size(152)
          /* + ((editor->work->scroll->count > editor->work->scroll->active + 2) ?
             editor->work->scroll->up_left_button->size.h + 1 : 0)*/,
                                    adj_size(126), 0, editor->work->begin_widget_list,
                                    editor->work->end_widget_list);
 
    setup_vertical_scrollbar_area(editor->work->scroll,
                                  area.x + adj_size(2),
                                  area.y + adj_size(152),
                                  adj_size(225), FALSE);
  }
 
  /* global worklists */
  if (editor->global) {
    setup_vertical_widgets_position(1,
                                    area.x + adj_size(4),
                                    area.y + adj_size(384) +
                                    (editor->global->scroll ?
                                     editor->global->scroll->up_left_button->size.h + 1 : 0),
                                    adj_size(122), 0, editor->global->begin_widget_list,
                                    editor->global->end_widget_list);
 
    if (editor->global->scroll) {
      setup_vertical_scrollbar_area(editor->global->scroll,
                                    area.x + adj_size(4),
                                    area.y + adj_size(384),
                                    adj_size(93), FALSE);
    }
 
  }
 
  /* Targets */
  setup_vertical_widgets_position(TARGETS_COL,
                                  area.x + adj_size(130), area.y,
                                  0, 0, editor->targets->begin_widget_list,
                                  editor->targets->end_widget_list);
 
  if (editor->targets->scroll) {
    setup_vertical_scrollbar_area(editor->targets->scroll,
                                  area.x + area.w,
                                  area.y + 1,
                                  area.h - 1, TRUE);
 
  }
 
  /* ----------------------------------- */
  FREEUTF8STR(pstr);
  FREESURFACE(main_surf);
 
  redraw_group(editor->begin_widget_list, pwindow, 0);
  widget_flush(pwindow);
}
 
/**********************************************************************/
void popdown_worklist_editor(void)
{
  if (editor) {
    popdown_window_group_dialog(editor->begin_widget_list,
                                editor->end_widget_list);
    FC_FREE(editor->targets->scroll);
    FC_FREE(editor->targets);
 
    FC_FREE(editor->work->scroll);
    FC_FREE(editor->work);
 
    if (editor->global) {
      FC_FREE(editor->global->scroll);
      FC_FREE(editor->global);
    }
 
    if (city_dialog_is_open(editor->pcity)) {
      enable_city_dlg_widgets();
    }
 
    FC_FREE(editor);
 
    flush_dirty();
  }
}