forked from KolibriOS/kolibrios
46 lines
625 B
C
46 lines
625 B
C
#include "..\lib\collection.h"
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struct _history {
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collection items;
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int active;
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void clear();
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int add();
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int back();
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int forward();
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dword current();
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};
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int _history::add(dword in)
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{
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if (!strcmp(in, items.get(active-1))) return 0;
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items.count = active;
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items.add(in);
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active++;
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return 1;
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}
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int _history::back()
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{
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if (active==1) return 0;
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active--;
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return 1;
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}
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int _history::forward()
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{
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if (active==items.count) return 0;
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active++;
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return 1;
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}
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dword _history::current()
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{
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return items.get(active-1);
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}
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:void _history::clear()
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{
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items.drop();
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active=0;
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}
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