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window: store strings history in list instead of deque

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This commit is contained in:
Andrzej Rybczak
2009-11-13 18:28:13 +01:00
parent 180d71ed28
commit 3365b066c3
2 changed files with 20 additions and 29 deletions
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45
src/window.cpp
View File

@@ -155,7 +155,6 @@ Window::~Window()
{
delwin(itsWindow);
delwin(itsWinBorder);
delete itsHistory;
}
void Window::SetColor(Color fg, Color bg)
@@ -231,7 +230,7 @@ void Window::SetTitle(const std::string &new_title)
void Window::CreateHistory()
{
if (!itsHistory)
itsHistory = new std::deque<std::wstring>;
itsHistory = new std::list<std::wstring>;
}
void Window::DeleteHistory()
@@ -436,7 +435,7 @@ std::string Window::GetString(const std::string &base, size_t length, size_t wid
std::wstring wbase = ToWString(base);
std::wstring *tmp = &wbase;
size_t history_offset = itsHistory && !encrypted ? itsHistory->size() : -1;
std::list<std::wstring>::iterator history_it = itsHistory->end();
std::string tmp_in;
wchar_t wc_in;
@@ -512,28 +511,22 @@ std::string Window::GetString(const std::string &base, size_t length, size_t wid
case KEY_MOUSE:
break;
case KEY_UP:
if (itsHistory && !encrypted && history_offset > 0)
if (itsHistory && !encrypted && history_it != itsHistory->begin())
{
do
tmp = &(*itsHistory)[--history_offset];
while (tmp->empty() && history_offset);
while (--history_it != itsHistory->begin())
if (!history_it->empty())
break;
tmp = &*history_it;
gotoend = 1;
}
break;
case KEY_DOWN:
if (itsHistory && !encrypted && itsHistory->size() > 0)
if (itsHistory && !encrypted && history_it != itsHistory->end())
{
if (history_offset < itsHistory->size()-1)
{
do
tmp = &(*itsHistory)[++history_offset];
while (tmp->empty() && history_offset < itsHistory->size()-1);
}
else if (history_offset == itsHistory->size()-1)
{
tmp = &wbase;
history_offset++;
}
while (++history_it != itsHistory->end())
if (!history_it->empty())
break;
tmp = &(history_it == itsHistory->end() ? wbase : *history_it);
gotoend = 1;
}
break;
@@ -638,16 +631,14 @@ std::string Window::GetString(const std::string &base, size_t length, size_t wid
if (itsHistory && !encrypted)
{
size_t old_size = itsHistory->size();
if (!tmp->empty() && (itsHistory->empty() || itsHistory->back() != *tmp))
itsHistory->push_back(*tmp);
if (old_size > 1 && history_offset < old_size)
if (history_it != itsHistory->end())
{
std::deque<std::wstring>::iterator it = itsHistory->begin()+history_offset;
wbase = *it;
tmp = &wbase;
itsHistory->erase(it);
itsHistory->push_back(*history_it);
tmp = &itsHistory->back();
itsHistory->erase(history_it);
}
else
itsHistory->push_back(*tmp);
}
return ToString(*tmp);

4
src/window.h
View File

@@ -31,7 +31,7 @@
#include "curses.h"
#include <deque>
#include <list>
#include <stack>
#include <vector>
#include <string>
@@ -580,7 +580,7 @@ namespace NCurses
FDCallbacks itsFDs;
/// pointer to container used as history
std::deque<std::wstring> *itsHistory;
std::list<std::wstring> *itsHistory;
/// counters for format flags
int itsBoldCounter;