client/gui-sdl2/finddlg.c

   1 /***********************************************************************
   2  Freeciv - Copyright (C) 1996 - A Kjeldberg, L Gregersen, P Unold
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; either version 2, or (at your option)
   6    any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12 ***********************************************************************/
  13
  14 #ifdef HAVE_CONFIG_H
  15 #include <fc_config.h>
  16 #endif
  17
  18 #include <stdlib.h>
  19
  20 /* SDL2 */
  21 #ifdef SDL2_PLAIN_INCLUDE
  22 #include <SDL.h>
  23 #else  /* SDL2_PLAIN_INCLUDE */
  24 #include <SDL2/SDL.h>
  25 #endif /* SDL2_PLAIN_INCLUDE */
  26
  27 /* utility */
  28 #include "fcintl.h"
  29 #include "log.h"
  30
  31 /* common */
  32 #include "game.h"
  33
  34 /* gui-sdl2 */
  35 #include "colors.h"
  36 #include "graphics.h"
  37 #include "gui_id.h"
  38 #include "gui_main.h"
  39 #include "gui_tilespec.h"
  40 #include "mapctrl.h"
  41 #include "mapview.h"
  42 #include "sprite.h"
  43 #include "widget.h"
  44
  45 #include "finddlg.h"
  46
  47 /* ====================================================================== */
  48 /* ============================= FIND CITY MENU ========================= */
  49 /* ====================================================================== */
  50 static struct ADVANCED_DLG  *pFind_City_Dlg = NULL;
  51
  52 /**************************************************************************
  53   User interacted with find city dialog window.
  54 **************************************************************************/
  55 static int find_city_window_dlg_callback(struct widget *pWindow)
  56 {
  57   if (Main.event.button.button == SDL_BUTTON_LEFT) {
  58     move_window_group(pFind_City_Dlg->pBeginWidgetList, pWindow);
  59   }
  60
  61   return -1;
  62 }
  63
  64 /**************************************************************************
  65   Close find city dialog.
  66 **************************************************************************/
  67 static int exit_find_city_dlg_callback(struct widget *pWidget)
  68 {
  69   if (Main.event.button.button == SDL_BUTTON_LEFT) {
  70     int orginal_x = pWidget->data.cont->id0;
  71     int orginal_y = pWidget->data.cont->id1;
  72
  73     popdown_find_dialog();
  74
  75     center_tile_mapcanvas(map_pos_to_tile(orginal_x, orginal_y));
  76
  77     flush_dirty();
  78   }
  79
  80   return -1;
  81 }
  82
  83 /**************************************************************************
  84   User has selected city to find.
  85 **************************************************************************/
  86 static int find_city_callback(struct widget *pWidget)
  87 {
  88   if (Main.event.button.button == SDL_BUTTON_LEFT) {
  89     struct city *pCity = pWidget->data.city;
  90
  91     if (pCity) {
  92       center_tile_mapcanvas(pCity->tile);
  93       if (Main.event.button.button == SDL_BUTTON_RIGHT) {
  94         popdown_find_dialog();
  95       }
  96       flush_dirty();
  97     }
  98   }
  99
 100   return -1;
 101 }
 102
 103 /**************************************************************************
 104   Popdown a dialog to ask for a city to find.
 105 **************************************************************************/
 106 void popdown_find_dialog(void)
 107 {
 108   if (pFind_City_Dlg) {
 109     popdown_window_group_dialog(pFind_City_Dlg->pBeginWidgetList,
 110                                 pFind_City_Dlg->pEndWidgetList);
 111     FC_FREE(pFind_City_Dlg->pScroll);
 112     FC_FREE(pFind_City_Dlg);
 113     enable_and_redraw_find_city_button();
 114   }
 115 }
 116
 117 /**************************************************************************
 118   Popup a dialog to ask for a city to find.
 119 **************************************************************************/
 120 void popup_find_dialog(void)
 121 {
 122   struct widget *pWindow = NULL, *pBuf = NULL;
 123   SDL_Surface *pLogo = NULL;
 124   utf8_str *pstr;
 125   char cBuf[128];
 126   int h = 0, n = 0, w = 0, units_h = 0;
 127   struct player *owner = NULL;
 128   struct tile *original;
 129   int window_x = 0, window_y = 0;
 130   bool mouse = (Main.event.type == SDL_MOUSEBUTTONDOWN);
 131   SDL_Rect area;
 132
 133   /* check that there are any cities to find */
 134   players_iterate(pplayer) {
 135     h = city_list_size(pplayer->cities);
 136     if (h > 0) {
 137       break;
 138     }
 139   } players_iterate_end;
 140
 141   if (pFind_City_Dlg && !h) {
 142     return;
 143   }
 144
 145   original = canvas_pos_to_tile(Main.map->w / 2, Main.map->h / 2);
 146
 147   pFind_City_Dlg = fc_calloc(1, sizeof(struct ADVANCED_DLG));
 148
 149   pstr = create_utf8_from_char(_("Find City") , adj_font(12));
 150   pstr->style |= TTF_STYLE_BOLD;
 151
 152   pWindow = create_window_skeleton(NULL, pstr, 0);
 153
 154   pWindow->action = find_city_window_dlg_callback;
 155   set_wstate(pWindow , FC_WS_NORMAL);
 156
 157   add_to_gui_list(ID_TERRAIN_ADV_DLG_WINDOW, pWindow);
 158   pFind_City_Dlg->pEndWidgetList = pWindow;
 159
 160   area = pWindow->area;
 161
 162   /* ---------- */
 163   /* exit button */
 164   pBuf = create_themeicon(current_theme->Small_CANCEL_Icon, pWindow->dst,
 165                           WF_WIDGET_HAS_INFO_LABEL | WF_RESTORE_BACKGROUND
 166                           | WF_FREE_DATA);
 167   pBuf->info_label = create_utf8_from_char(_("Close Dialog (Esc)"),
 168                                            adj_font(12));
 169   area.w = MAX(area.w, pBuf->size.w + adj_size(10));
 170   pBuf->action = exit_find_city_dlg_callback;
 171   set_wstate(pBuf, FC_WS_NORMAL);
 172   pBuf->key = SDLK_ESCAPE;
 173   pBuf->data.cont = fc_calloc(1, sizeof(struct CONTAINER));
 174   pBuf->data.cont->id0 = index_to_map_pos_x(tile_index(original));
 175   pBuf->data.cont->id1 = index_to_map_pos_y(tile_index(original));
 176
 177   add_to_gui_list(ID_TERRAIN_ADV_DLG_EXIT_BUTTON, pBuf);
 178   /* ---------- */
 179
 180   players_iterate(pPlayer) {
 181     city_list_iterate(pPlayer->cities, pCity) {
 182       fc_snprintf(cBuf , sizeof(cBuf), "%s (%d)", city_name_get(pCity),
 183                   city_size_get(pCity));
 184
 185       pstr = create_utf8_from_char(cBuf, adj_font(10));
 186       pstr->style |= (TTF_STYLE_BOLD|SF_CENTER);
 187
 188       if (!player_owns_city(owner, pCity)) {
 189         pLogo = get_nation_flag_surface(nation_of_player(city_owner(pCity)));
 190         pLogo = crop_visible_part_from_surface(pLogo);
 191       }
 192
 193       pBuf = create_iconlabel(pLogo, pWindow->dst, pstr,
 194         (WF_RESTORE_BACKGROUND|WF_DRAW_TEXT_LABEL_WITH_SPACE));
 195
 196       if (!player_owns_city(owner, pCity)) {
 197         set_wflag(pBuf, WF_FREE_THEME);
 198         owner = city_owner(pCity);
 199       }
 200
 201       pBuf->string_utf8->style &= ~SF_CENTER;
 202       pBuf->string_utf8->fgcol = *(get_player_color(tileset, city_owner(pCity))->color);
 203       pBuf->string_utf8->bgcol = (SDL_Color) {0, 0, 0, 0};
 204
 205       pBuf->data.city = pCity;
 206
 207       pBuf->action = find_city_callback;
 208       set_wstate(pBuf, FC_WS_NORMAL);
 209
 210       add_to_gui_list(ID_LABEL , pBuf);
 211
 212       area.w = MAX(area.w, pBuf->size.w);
 213       area.h += pBuf->size.h;
 214
 215       if (n > 19) {
 216         set_wflag(pBuf , WF_HIDDEN);
 217       }
 218
 219       n++;
 220     } city_list_iterate_end;
 221   } players_iterate_end;
 222
 223   pFind_City_Dlg->pBeginWidgetList = pBuf;
 224   pFind_City_Dlg->pBeginActiveWidgetList = pFind_City_Dlg->pBeginWidgetList;
 225   pFind_City_Dlg->pEndActiveWidgetList = pWindow->prev->prev;
 226   pFind_City_Dlg->pActiveWidgetList = pFind_City_Dlg->pEndActiveWidgetList;
 227
 228
 229   /* ---------- */
 230   if (n > 20) {
 231     units_h = create_vertical_scrollbar(pFind_City_Dlg, 1, 20, TRUE, TRUE);
 232     pFind_City_Dlg->pScroll->count = n;
 233
 234     n = units_h;
 235     area.w += n;
 236
 237     units_h = 20 * pBuf->size.h + adj_size(2);
 238
 239   } else {
 240     units_h = area.h;
 241   }
 242
 243   /* ---------- */
 244
 245   area.h = units_h;
 246
 247   resize_window(pWindow , NULL, NULL,
 248                 (pWindow->size.w - pWindow->area.w) + area.w,
 249                 (pWindow->size.h - pWindow->area.h) + area.h);
 250
 251   area = pWindow->area;
 252
 253   if (!mouse) {
 254     window_x = adj_size(10);
 255     window_y = (main_window_height() - pWindow->size.h) / 2;
 256   } else {
 257     window_x = (Main.event.motion.x + pWindow->size.w + adj_size(10) < main_window_width()) ?
 258                 (Main.event.motion.x + adj_size(10)) :
 259                 (main_window_width() - pWindow->size.w - adj_size(10));
 260     window_y = (Main.event.motion.y - adj_size(2) + pWindow->size.h < main_window_height()) ?
 261              (Main.event.motion.y - adj_size(2)) :
 262              (main_window_height() - pWindow->size.h - adj_size(10));
 263   }
 264
 265   widget_set_position(pWindow, window_x, window_y);
 266
 267   w = area.w;
 268
 269   if (pFind_City_Dlg->pScroll) {
 270     w -= n;
 271   }
 272
 273   /* exit button */
 274   pBuf = pWindow->prev;
 275
 276   pBuf->size.x = area.x + area.w - pBuf->size.w - 1;
 277   pBuf->size.y = pWindow->size.y + adj_size(2);
 278
 279   /* cities */
 280   pBuf = pBuf->prev;
 281   setup_vertical_widgets_position(1, area.x, area.y, w, 0,
 282                                   pFind_City_Dlg->pBeginActiveWidgetList,
 283                                   pBuf);
 284
 285   if (pFind_City_Dlg->pScroll) {
 286     setup_vertical_scrollbar_area(pFind_City_Dlg->pScroll,
 287                                   area.x + area.w, area.y,
 288                                   area.h, TRUE);
 289   }
 290
 291   /* -------------------- */
 292   /* redraw */
 293   redraw_group(pFind_City_Dlg->pBeginWidgetList, pWindow, 0);
 294   widget_mark_dirty(pWindow);
 295
 296   flush_dirty();
 297 }