plomlompom.com Git - plomrogue/blob - src/client/misc.c

   1 /* src/client/misc.c */
   2
   3 #include "misc.h"
   4 #include <ncurses.h> /* delwin(), endwin(), refresh() */
   5 #include <stdint.h> /* uint8_t, uint16_t */
   6 #include <stdio.h> /* sprintf() */
   7 #include <stdlib.h> /* exit(), free() */
   8 #include <string.h> /* memset(), strlen() */
   9 #include <unistd.h> /* global optarg, getopt() */
  10 #include "../common/readwrite.h" /* try_fopen(), try_fclose(),
  11                                   * try_fclose_unlink_rename(),
  12                                   */
  13 #include "cleanup.h" /* for set_cleanup_flag() */
  14 #include "keybindings.h" /* free_keybindings(), read_keybindings_from_file(),
  15                           * write_keybindings_to_file()
  16                           */
  17 #include "map_window.h" /* for map_center() */
  18 #include "wincontrol.h" /* struct WinConf, init_wins(), get_winconf_by_win(),
  19                          * sorted_win_toggle_and_activate(), get_win_by_id(),
  20                          * toggle_window(), write_winconf_of_id_to_file(),
  21                          * read_winconf_from_file(), get_next_winconf_id(),
  22                          * read_order_wins_visible_active(),
  23                          * write_order_wins_visible_active()
  24                          */
  25 #include "windows.h" /* struct Win, make_pad(), suspend_win(), free_win() */
  26 #include "world.h" /* global world */
  27
  28
  29
  30 extern void obey_argv(int argc, char * argv[])
  31 {
  32     int opt;
  33     while (-1 != (opt = getopt(argc, argv, "i:")))
  34     {
  35         if      ('i' == opt)
  36         {
  37             world.path_interface_conf = optarg;
  38         }
  39         else
  40         {
  41             exit(EXIT_FAILURE);
  42         }
  43     }
  44 }
  45
  46
  47
  48 extern void save_interface_conf()
  49 {
  50     char * f_name = "save_interface_conf()";
  51     char * path = world.path_interface_conf;
  52     char path_tmp[strlen(path) + 4 + 1];
  53     sprintf(path_tmp, "%s_tmp", path);
  54     FILE * file = try_fopen(path_tmp, "w", f_name);
  55     char * delim = "%\n";
  56     write_keybindings_to_file(file, &world.kb_global, delim);
  57     write_keybindings_to_file(file, &world.kb_wingeom, delim);
  58     write_keybindings_to_file(file, &world.kb_winkeys, delim);
  59     write_order_wins_visible_active(file, delim);
  60     uint8_t i;
  61     for (i = 0; i < strlen(world.wins.ids); i++)
  62     {
  63         write_winconf_of_id_to_file(file, world.wins.ids[i], delim);
  64     }
  65     try_fclose_unlink_rename(file, path_tmp, path, f_name);
  66 }
  67
  68
  69
  70 extern void load_interface_conf()
  71 {
  72     char * f_name = "load_interface_conf()";
  73
  74     /* Read keybindings and WincConf DB from interface config file. */
  75     FILE * file = try_fopen(world.path_interface_conf, "r", f_name);
  76     uint32_t linemax = textfile_sizes(file, NULL);
  77     char line[linemax + 1];
  78     read_keybindings_from_file(line, linemax, file, &world.kb_global);
  79     read_keybindings_from_file(line, linemax, file, &world.kb_wingeom);
  80     read_keybindings_from_file(line, linemax, file, &world.kb_winkeys);
  81     read_order_wins_visible_active(line, linemax, file);
  82     while (read_winconf_from_file(line, linemax, file));
  83     try_fclose(file, f_name);
  84
  85     /* Build windows as defined by read interface data and toggle them on. */
  86     make_pad();
  87     init_wins();
  88     sorted_win_toggle_and_activate();
  89
  90     /* So that the interface config data and the window structs get freed. */
  91     set_cleanup_flag(CLEANUP_INTERFACE);
  92 }
  93
  94
  95
  96 extern void unload_interface_conf()
  97 {
  98     free_keybindings(world.kb_global.kbs);
  99     world.kb_global.kbs = NULL;
 100     free_keybindings(world.kb_wingeom.kbs);
 101     world.kb_wingeom.kbs = NULL;
 102     free_keybindings(world.kb_winkeys.kbs);
 103     world.kb_winkeys.kbs = NULL;
 104     while (0 != world.wins.win_active)
 105     {
 106         suspend_win(world.wins.win_active);
 107     }
 108     free_winconfs();
 109     delwin(world.wins.pad);
 110 }
 111
 112
 113
 114 extern void winch_called(int signal)
 115 {
 116     world.winch = 1;
 117 }
 118
 119
 120
 121 extern void reset_windows()
 122 {
 123     endwin();  /* "[S]tandard way" to recalibrate ncurses post SIGWINCH, says */
 124     refresh(); /* <http://invisible-island.net/ncurses/ncurses-intro.html>.   */
 125     struct Win * w_p = world.wins.chain_start;
 126     char win_ids[strlen(world.wins.ids) + 1];
 127     memset(win_ids, '\0', strlen(world.wins.ids) + 1);
 128     uint8_t i = 0;
 129     char active = '\0';
 130     for (; NULL != w_p; w_p = w_p->next, i++)
 131     {
 132         struct WinConf * wc_p = get_winconf_by_win(w_p);
 133         win_ids[i] = wc_p->id;
 134         if (w_p == world.wins.win_active)
 135         {
 136             active = wc_p->id;
 137         }
 138     }
 139     while (0 != world.wins.win_active)
 140     {
 141         w_p = world.wins.win_active;
 142         suspend_win(w_p);
 143     }
 144     char id;
 145     while (0 != (id = get_next_winconf_id()))
 146     {
 147         free_win(get_win_by_id(id));
 148     }
 149     delwin(world.wins.pad);
 150     make_pad();
 151     init_wins();
 152     if (strlen(win_ids) < 1)
 153     {
 154         return;
 155     }
 156     for (i = 0; i < strlen(win_ids); i++)
 157     {
 158         toggle_window(win_ids[i]);
 159         if (active == win_ids[i])
 160         {
 161             world.wins.win_active = get_win_by_id(win_ids[i]);
 162         }
 163     }
 164 }
 165
 166
 167
 168 extern void reload_interface_conf()
 169 {
 170     unload_interface_conf();
 171     load_interface_conf();
 172     map_center();
 173 }
 174
 175
 176
 177 extern uint16_t center_offset(uint16_t position, uint16_t mapsize,
 178                               uint16_t framesize)
 179 {
 180     uint16_t offset = 0;
 181     if (mapsize > framesize)
 182     {
 183         if (position > framesize / 2)
 184         {
 185             if (position < mapsize - (framesize / 2))
 186             {
 187                 offset = position - (framesize / 2);
 188             }
 189             else
 190             {
 191                 offset = mapsize - framesize;
 192             }
 193         }
 194     }
 195     return offset;
 196 }
 197
 198
 199
 200 extern void nav_inventory(char dir)
 201 {
 202     if ('u' == dir)
 203     {
 204         world.player_inventory_select = world.player_inventory_select
 205                                         - (world.player_inventory_select > 0);
 206         return;
 207     }
 208     uint8_t n_elems = 0;
 209     uint8_t i;
 210     for (i = 0; '\0' != world.player_inventory[i]; i++)
 211     {
 212         n_elems = n_elems + ('\n' == world.player_inventory[i]);
 213     }
 214     world.player_inventory_select = world.player_inventory_select
 215                                     + (world.player_inventory_select < n_elems);
 216 }
 217