client/gui-sdl2/gotodlg.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 "bitvector.h"
  29 #include "fcintl.h"
  30 #include "log.h"
  31
  32 /* common */
  33 #include "game.h"
  34 #include "fc_types.h" /* bv_player */
  35 #include "unitlist.h"
  36
  37 /* client */
  38 #include "client_main.h"
  39 #include "control.h"
  40 #include "goto.h"
  41
  42 /* gui-sdl2 */
  43 #include "colors.h"
  44 #include "graphics.h"
  45 #include "gui_id.h"
  46 #include "gui_main.h"
  47 #include "gui_tilespec.h"
  48 #include "mapview.h"
  49 #include "sprite.h"
  50 #include "widget.h"
  51
  52 #include "gotodlg.h"
  53
  54 static struct ADVANCED_DLG *pGotoDlg = NULL;
  55 bv_player all_players;
  56 static bool GOTO = TRUE;
  57
  58 static void update_goto_dialog(void);
  59
  60 /**************************************************************************
  61   User interacted with goto dialog window.
  62 **************************************************************************/
  63 static int goto_dialog_window_callback(struct widget *pWindow)
  64 {
  65   if (Main.event.button.button == SDL_BUTTON_LEFT) {
  66     move_window_group(pGotoDlg->pBeginWidgetList, pWindow);
  67   }
  68
  69   return -1;
  70 }
  71
  72 /**************************************************************************
  73   Close goto dialog.
  74 **************************************************************************/
  75 static int exit_goto_dialog_callback(struct widget *pWidget)
  76 {
  77   if (Main.event.button.button == SDL_BUTTON_LEFT) {
  78     popdown_goto_airlift_dialog();
  79     flush_dirty();
  80   }
  81
  82   return -1;
  83 }
  84
  85 /**************************************************************************
  86   Toggle whether player cities are listed as possible destinations.
  87 **************************************************************************/
  88 static int toggle_goto_nations_cities_dialog_callback(struct widget *pWidget)
  89 {
  90   if (Main.event.button.button == SDL_BUTTON_LEFT) {
  91     int plr_id = player_index(player_by_number(MAX_ID - pWidget->ID));
  92
  93     if (BV_ISSET(all_players, plr_id)) {
  94       BV_CLR(all_players, plr_id);
  95     } else {
  96       BV_SET(all_players, plr_id);
  97     }
  98     update_goto_dialog();
  99   }
 100
 101   return -1;
 102 }
 103
 104 /**************************************************************************
 105   User has selected city for unit to go to.
 106 **************************************************************************/
 107 static int goto_city_callback(struct widget *pWidget)
 108 {
 109   if (Main.event.button.button == SDL_BUTTON_LEFT) {
 110     struct city *pDestcity = game_city_by_number(MAX_ID - pWidget->ID);
 111
 112     if (pDestcity) {
 113       struct unit *pUnit = head_of_units_in_focus();
 114
 115       if (pUnit) {
 116         if (GOTO) {
 117           send_goto_tile(pUnit, pDestcity->tile);
 118         } else {
 119           request_unit_airlift(pUnit, pDestcity);
 120         }
 121       }
 122     }
 123
 124     popdown_goto_airlift_dialog();
 125     flush_dirty();
 126   }
 127
 128   return -1;
 129 }
 130
 131 /**************************************************************************
 132   Refresh goto dialog.
 133 **************************************************************************/
 134 static void update_goto_dialog(void)
 135 {
 136   struct widget *pBuf = NULL, *pAdd_Dock, *pLast;
 137   SDL_Surface *pLogo = NULL;
 138   utf8_str *pstr;
 139   char cBuf[128];
 140   int n = 0;
 141   struct player *owner = NULL;
 142
 143   if (pGotoDlg->pEndActiveWidgetList) {
 144     pAdd_Dock = pGotoDlg->pEndActiveWidgetList->next;
 145     pGotoDlg->pBeginWidgetList = pAdd_Dock;
 146     del_group(pGotoDlg->pBeginActiveWidgetList, pGotoDlg->pEndActiveWidgetList);
 147     pGotoDlg->pActiveWidgetList = NULL;
 148   } else {
 149     pAdd_Dock = pGotoDlg->pBeginWidgetList;
 150   }
 151
 152   pLast = pAdd_Dock;
 153
 154   players_iterate(pPlayer) {
 155     if (!BV_ISSET(all_players, player_index(pPlayer))) {
 156       continue;
 157     }
 158
 159     city_list_iterate(pPlayer->cities, pCity) {
 160
 161       /* FIXME: should use unit_can_airlift_to(). */
 162       if (!GOTO && !pCity->airlift) {
 163         continue;
 164       }
 165
 166       fc_snprintf(cBuf, sizeof(cBuf), "%s (%d)", city_name_get(pCity),
 167                   city_size_get(pCity));
 168
 169       pstr = create_utf8_from_char(cBuf, adj_font(12));
 170       pstr->style |= TTF_STYLE_BOLD;
 171
 172       if (!player_owns_city(owner, pCity)) {
 173         pLogo = get_nation_flag_surface(nation_of_player(city_owner(pCity)));
 174         pLogo = crop_visible_part_from_surface(pLogo);
 175       }
 176
 177       pBuf = create_iconlabel(pLogo, pGotoDlg->pEndWidgetList->dst, pstr,
 178         (WF_RESTORE_BACKGROUND|WF_DRAW_TEXT_LABEL_WITH_SPACE));
 179
 180       if (!player_owns_city(owner, pCity)) {
 181         set_wflag(pBuf, WF_FREE_THEME);
 182         owner = city_owner(pCity);
 183       }
 184
 185       pBuf->string_utf8->fgcol =
 186             *(get_player_color(tileset, city_owner(pCity))->color);
 187       pBuf->action = goto_city_callback;
 188
 189       if (GOTO || pCity->airlift) {
 190         set_wstate(pBuf, FC_WS_NORMAL);
 191       }
 192
 193       fc_assert((MAX_ID - pCity->id) > 0);
 194       pBuf->ID = MAX_ID - pCity->id;
 195
 196       DownAdd(pBuf, pAdd_Dock);
 197       pAdd_Dock = pBuf;
 198
 199       if (n > (pGotoDlg->pScroll->active - 1)) {
 200         set_wflag(pBuf, WF_HIDDEN);
 201       }
 202
 203       n++;
 204     } city_list_iterate_end;
 205   } players_iterate_end;
 206
 207   if (n > 0) {
 208     pGotoDlg->pBeginWidgetList = pBuf;
 209
 210     pGotoDlg->pBeginActiveWidgetList = pGotoDlg->pBeginWidgetList;
 211     pGotoDlg->pEndActiveWidgetList = pLast->prev;
 212     pGotoDlg->pActiveWidgetList = pGotoDlg->pEndActiveWidgetList;
 213     pGotoDlg->pScroll->count = n;
 214
 215     if (n > pGotoDlg->pScroll->active) {
 216       show_scrollbar(pGotoDlg->pScroll);
 217       pGotoDlg->pScroll->pScrollBar->size.y = pGotoDlg->pEndWidgetList->area.y +
 218         pGotoDlg->pScroll->pUp_Left_Button->size.h;
 219       pGotoDlg->pScroll->pScrollBar->size.h = scrollbar_size(pGotoDlg->pScroll);
 220     } else {
 221       hide_scrollbar(pGotoDlg->pScroll);
 222     }
 223
 224     setup_vertical_widgets_position(1,
 225                                     pGotoDlg->pEndWidgetList->area.x,
 226                                     pGotoDlg->pEndWidgetList->area.y,
 227                                     pGotoDlg->pScroll->pUp_Left_Button->size.x -
 228                                     pGotoDlg->pEndWidgetList->area.x - adj_size(2),
 229                                     0, pGotoDlg->pBeginActiveWidgetList,
 230                                     pGotoDlg->pEndActiveWidgetList);
 231
 232   } else {
 233     hide_scrollbar(pGotoDlg->pScroll);
 234   }
 235
 236   /* redraw */
 237   redraw_group(pGotoDlg->pBeginWidgetList, pGotoDlg->pEndWidgetList, 0);
 238   widget_flush(pGotoDlg->pEndWidgetList);
 239 }
 240
 241 /**************************************************************************
 242   Popup a dialog to have the focus unit goto to a city.
 243 **************************************************************************/
 244 static void popup_goto_airlift_dialog(void)
 245 {
 246   SDL_Color bg_color = {0, 0, 0, 96};
 247   struct widget *pBuf, *pWindow;
 248   utf8_str *pstr;
 249   SDL_Surface *pFlag, *pEnabled, *pDisabled;
 250   SDL_Rect dst;
 251   int i, col, block_x, x, y;
 252   SDL_Rect area;
 253
 254   if (pGotoDlg) {
 255     return;
 256   }
 257
 258   pGotoDlg = fc_calloc(1, sizeof(struct ADVANCED_DLG));
 259
 260   pstr = create_utf8_from_char(_("Select destination"), adj_font(12));
 261   pstr->style |= TTF_STYLE_BOLD;
 262
 263   pWindow = create_window_skeleton(NULL, pstr, 0);
 264
 265   pWindow->action = goto_dialog_window_callback;
 266   set_wstate(pWindow, FC_WS_NORMAL);
 267
 268   add_to_gui_list(ID_WINDOW, pWindow);
 269   pGotoDlg->pEndWidgetList = pWindow;
 270
 271   area = pWindow->area;
 272
 273   /* ---------- */
 274   /* create exit button */
 275   pBuf = create_themeicon(current_theme->Small_CANCEL_Icon, pWindow->dst,
 276                           WF_WIDGET_HAS_INFO_LABEL | WF_RESTORE_BACKGROUND);
 277   pBuf->info_label = create_utf8_from_char(_("Close Dialog (Esc)"),
 278                                            adj_font(12));
 279   pBuf->action = exit_goto_dialog_callback;
 280   set_wstate(pBuf, FC_WS_NORMAL);
 281   pBuf->key = SDLK_ESCAPE;
 282   area.w = MAX(area.w, pBuf->size.w) + adj_size(10);
 283
 284   add_to_gui_list(ID_BUTTON, pBuf);
 285
 286   col = 0;
 287   /* --------------------------------------------- */
 288   players_iterate(pPlayer) {
 289     if (pPlayer != client.conn.playing
 290         && DS_NO_CONTACT == player_diplstate_get(client.conn.playing, pPlayer)->type) {
 291       continue;
 292     }
 293
 294     pFlag = ResizeSurfaceBox(get_nation_flag_surface(pPlayer->nation),
 295                              adj_size(30), adj_size(30), 1, TRUE, FALSE);
 296
 297     pEnabled = create_icon_theme_surf(pFlag);
 298     fill_rect_alpha(pFlag, NULL, &bg_color);
 299     pDisabled = create_icon_theme_surf(pFlag);
 300     FREESURFACE(pFlag);
 301
 302     pBuf = create_checkbox(pWindow->dst,
 303                            BV_ISSET(all_players, player_index(pPlayer)),
 304                            WF_FREE_THEME | WF_RESTORE_BACKGROUND
 305                            | WF_WIDGET_HAS_INFO_LABEL);
 306     set_new_checkbox_theme(pBuf, pEnabled, pDisabled);
 307
 308     pBuf->info_label =
 309         create_utf8_from_char(nation_adjective_for_player(pPlayer),
 310                                adj_font(12));
 311     pBuf->info_label->style &= ~SF_CENTER;
 312     set_wstate(pBuf, FC_WS_NORMAL);
 313
 314     pBuf->action = toggle_goto_nations_cities_dialog_callback;
 315     add_to_gui_list(MAX_ID - player_number(pPlayer), pBuf);
 316     col++;
 317   } players_iterate_end;
 318
 319   pGotoDlg->pBeginWidgetList = pBuf;
 320
 321   create_vertical_scrollbar(pGotoDlg, 1, adj_size(320) / adj_size(30), TRUE, TRUE);
 322   hide_scrollbar(pGotoDlg->pScroll);
 323
 324   area.w = MAX(area.w, adj_size(300));
 325   area.h = adj_size(320);
 326
 327   resize_window(pWindow, NULL, NULL,
 328                 (pWindow->size.w - pWindow->area.w) + area.w,
 329                 (pWindow->size.h - pWindow->area.h) + area.h);
 330
 331   /* background */
 332   col = (col + 15) / 16; /* number of flag columns */
 333
 334   pFlag = ResizeSurface(current_theme->Block,
 335                         (col * pBuf->size.w + (col - 1) * adj_size(5) + adj_size(10)),
 336                         area.h, 1);
 337
 338   block_x = dst.x = area.x + area.w - pFlag->w;
 339   dst.y = area.y;
 340   alphablit(pFlag, NULL, pWindow->theme, &dst, 255);
 341   FREESURFACE(pFlag);
 342
 343   widget_set_position(pWindow,
 344                       (main_window_width() - pWindow->size.w) / 2,
 345                       (main_window_height() - pWindow->size.h) / 2);
 346
 347   /* exit button */
 348   pBuf = pWindow->prev;
 349   pBuf->size.x = area.x + area.w - pBuf->size.w - 1;
 350   pBuf->size.y = pWindow->size.y + adj_size(2);
 351
 352   /* nations buttons */
 353   pBuf = pBuf->prev;
 354   i = 0;
 355   x = block_x + adj_size(5);
 356   y = area.y + adj_size(1);
 357   while (pBuf) {
 358     pBuf->size.x = x;
 359     pBuf->size.y = y;
 360
 361     if (!((i + 1) % col)) {
 362       x = block_x + adj_size(5);
 363       y += pBuf->size.h + adj_size(1);
 364     } else {
 365       x += pBuf->size.w + adj_size(5);
 366     }
 367
 368     if (pBuf == pGotoDlg->pBeginWidgetList) {
 369       break;
 370     }
 371
 372     i++;
 373     pBuf = pBuf->prev;
 374   }
 375
 376   setup_vertical_scrollbar_area(pGotoDlg->pScroll,
 377                                 block_x, area.y,
 378                                 area.h, TRUE);
 379
 380   update_goto_dialog();
 381 }
 382
 383
 384 /**************************************************************************
 385   Popup a dialog to have the focus unit goto to a city.
 386 **************************************************************************/
 387 void popup_goto_dialog(void)
 388 {
 389   if (!can_client_issue_orders() || 0 == get_num_units_in_focus()) {
 390     return;
 391   }
 392
 393   BV_CLR_ALL(all_players);
 394   BV_SET(all_players, player_index(client.conn.playing));
 395   /* FIXME: Should we include allies in all_players */
 396   popup_goto_airlift_dialog();
 397 }
 398
 399 /**************************************************************************
 400   Popup a dialog to have the focus unit airlift to a city.
 401 **************************************************************************/
 402 void popup_airlift_dialog(void)
 403 {
 404   if (!can_client_issue_orders() || 0 == get_num_units_in_focus()) {
 405     return;
 406   }
 407
 408   BV_CLR_ALL(all_players);
 409   BV_SET(all_players, player_index(client.conn.playing));
 410   /* FIXME: Should we include allies in all_players */
 411   GOTO = FALSE;
 412   popup_goto_airlift_dialog();
 413 }
 414
 415 /**************************************************************************
 416   Popdown goto/airlift to a city dialog.
 417 **************************************************************************/
 418 void popdown_goto_airlift_dialog(void)
 419 {
 420   if (pGotoDlg) {
 421     popdown_window_group_dialog(pGotoDlg->pBeginWidgetList,
 422                                 pGotoDlg->pEndWidgetList);
 423     FC_FREE(pGotoDlg->pScroll);
 424     FC_FREE(pGotoDlg);
 425   }
 426   GOTO = TRUE;
 427 }