forked from KolibriOS/kolibrios
38 lines
602 B
C
38 lines
602 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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dword add();
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dword back();
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dword forward();
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dword current();
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} History;
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dword _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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dword _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 items.get(active-1);
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}
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dword _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 items.get(active-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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} |