git.sur5r.net Git - c128-kasse/blob - src/credit_manager.c

   1 /*
   2  * RGB2R-C128-Kassenprogramm
   3  * (c) 2007 phil_fry, sECuRE, sur5r
   4  * See LICENSE for license information
   5  *
   6  */
   7 #include <conio.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11
  12 #include "config.h"
  13 #include "general.h"
  14
  15 static char *filter = NULL;
  16 static BYTE filter_len;
  17
  18 static BYTE current_credits_page = 0;
  19
  20 static void credit_print_screen() {
  21         BYTE i, pages;
  22         char buffer[10];
  23
  24         clrscr();
  25         cprintf("itemz (phil_fry, sECuRE, sur5r)\r\n\r\n");
  26         /* 16 entries per page */
  27         pages = (credits.num_items / 16);
  28         if (current_credits_page > pages)
  29                 current_credits_page = pages;
  30         cprintf("Datei: CREDITS (Seite %d von %d)\r\n\r\n", current_credits_page, pages);
  31         for (i = (current_credits_page * 16); i < credits.num_items && i < ((current_credits_page+1) * 16); i++) {
  32                 if (format_euro(buffer, 10, credits.credits[i].credit) != buffer) {
  33                         cprintf("Error: Could not format credit %d\r\n", credits.credits[i].credit);
  34                         exit(1);
  35                 }
  36
  37                 cprintf("%d: %s: %s\r\n", i, credits.credits[i].nickname, buffer);
  38         }
  39         cprintf("\r\nn) Neu d) Loeschen b) Seite hoch f) Seite runter\r\ne) Aendern s) Speichern z) Zurueck\r\n");
  40 }
  41
  42
  43 static void new_credit() {
  44         char *input, *name;
  45         int credit;
  46
  47         if (credits.num_items == 75) {
  48                 cprintf("\rEs ist bereits die maximale Anzahl an Eintraegen erreicht, druecke RETURN...\r\n");
  49                 input = get_input();
  50                 return;
  51         }
  52
  53         cprintf("\rNickname:\r\n");
  54         if ((input = get_input()) == NULL || *input == '\0')
  55                 return;
  56         name = strdup(input);
  57         cprintf("\r\nGuthaben in Cents:\r\n");
  58         if ((input = get_input()) == NULL || *input == '\0' || (credit = atoi(input)) == 0)
  59                 return;
  60         strcpy(credits.credits[credits.num_items].nickname, name);
  61         credits.credits[credits.num_items].credit = credit;
  62         credits.num_items++;
  63         free(name);
  64 }
  65
  66 static void _delete_credit(BYTE num) {
  67         memset(credits.credits[num].nickname, '\0', 11);
  68         credits.credits[num].credit = 0;
  69 }
  70
  71 static void delete_credit() {
  72         char *input;
  73         BYTE num, last;
  74
  75         cprintf("\r Welcher Eintrag soll geloescht werden?\r\n");
  76         if ((input = get_input()) == NULL || *input == '\0')
  77                 return;
  78         num = atoi(input);
  79         if (credits.num_items > 1) {
  80                 /* Swap last item with this one and delete the last one to avoid holes */
  81                 last = (credits.num_items - 1);
  82                 strcpy(credits.credits[num].nickname, credits.credits[last].nickname);
  83                 credits.credits[num].credit = credits.credits[last].credit;
  84                 _delete_credit(last);
  85         } else {
  86                 /* Just delete it */
  87                 _delete_credit(num);
  88         }
  89         credits.num_items--;
  90 }
  91
  92 void credit_manager(){
  93         char *c;
  94         while(1){
  95                 credit_print_screen();
  96                 c = get_input();
  97                 switch (*c) {
  98                         case 'n':
  99                                 new_credit(); break;
 100                         case 'd':
 101                                 delete_credit(); break;
 102                         case 's':
 103                                 save_credits(); break;
 104                         case 'f':
 105                                 if (current_credits_page < (credits.num_items / 16))
 106                                                 current_credits_page++;
 107                                 break;
 108                         case 'b':
 109                                 if (current_credits_page > 0)
 110                                         current_credits_page--;
 111                                 break;
 112                         case 'z':
 113                                 return;
 114                         default:
 115                                 cprintf("Unbekannter Befehl, druecke RETURN...\r\n");
 116                                 get_input();
 117                 }
 118         }
 119 }