contrib/bsddialog/examples_library/theme.c

   1 /*-
   2  * SPDX-License-Identifier: CC0-1.0
   3  *
   4  * Written in 2021 by Alfonso Sabato Siciliano.
   5  * To the extent possible under law, the author has dedicated all copyright
   6  * and related and neighboring rights to this software to the public domain
   7  * worldwide. This software is distributed without any warranty, see:
   8  *   <http://creativecommons.org/publicdomain/zero/1.0/>.
   9  */
  10
  11 #include <bsddialog.h>
  12 #include <bsddialog_theme.h>
  13 #include <stdio.h>
  14
  15 int main()
  16 {
  17         int output, focusitem;
  18         struct bsddialog_conf conf;
  19         enum bsddialog_default_theme theme;
  20         struct bsddialog_menuitem items[4] = {
  21                 {"", false, 0, "Flat", "default flat theme",
  22                     "enum bsddialog_default_theme BSDDIALOG_THEME_FLAT" },
  23                 {"", false, 0, "3D", "pseudo 3D theme",
  24                     "enum bsddialog_default_theme BSDDIALOG_THEME_3D" },
  25                 {"", false, 0, "BlackWhite","black and white theme",
  26                     "enum bsddialog_default_theme BSDDIALOG_THEME_BLACKWHITE" },
  27                 {"", false, 0, "Quit", "Exit", "Quit, Cancel or ESC to exit" }
  28         };
  29
  30         if (bsddialog_init() == BSDDIALOG_ERROR) {
  31                 printf("Error: %s\n", bsddialog_geterror());
  32                 return (1);
  33         }
  34         bsddialog_initconf(&conf);
  35         conf.ascii_lines = true;
  36         bsddialog_backtitle(&conf, "Theme Example");
  37         bsddialog_initconf(&conf);
  38         conf.key.enable_esc = true;
  39         conf.title = " Theme ";
  40         focusitem = -1;
  41         while (true) {
  42                 output = bsddialog_menu(&conf, "Choose theme", 15, 45, 4, 4,
  43                     items, &focusitem);
  44
  45                 if (output != BSDDIALOG_OK || items[3].on)
  46                         break;
  47
  48                 if (items[0].on) {
  49                         theme = BSDDIALOG_THEME_FLAT;
  50                         focusitem = 0;
  51                 } else if (items[1].on) {
  52                         theme = BSDDIALOG_THEME_3D;
  53                         focusitem = 1;
  54                 } else if (items[2].on) {
  55                         theme = BSDDIALOG_THEME_BLACKWHITE;
  56                         focusitem = 2;
  57                 }
  58                 bsddialog_set_default_theme(theme);
  59         }
  60
  61         bsddialog_end();
  62
  63         return (0);
  64 }