Checkpoint/common/ihid.cpp
2019-06-16 11:02:10 +02:00

88 lines
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2.1 KiB
C++

/*
* This file is part of Checkpoint
* Copyright (C) 2017-2019 Bernardo Giordano, FlagBrew
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Additional Terms 7.b and 7.c of GPLv3 apply to this file:
* * Requiring preservation of specified reasonable legal notices or
* author attributions in that material or in the Appropriate Legal
* Notices displayed by works containing it.
* * Prohibiting misrepresentation of the origin of that material,
* or requiring that modified versions of such material be marked in
* reasonable ways as different from the original version.
*/
#include "ihid.hpp"
size_t IHid::index(void) const
{
return mIndex;
}
void IHid::index(size_t v)
{
mIndex = v;
}
size_t IHid::fullIndex(void) const
{
return mIndex + mPage * mMaxVisibleEntries;
}
int IHid::page(void) const
{
return mPage;
}
void IHid::page(int v)
{
mPage = v;
}
void IHid::reset(void)
{
mIndex = 0;
mPage = 0;
}
size_t IHid::maxVisibleEntries(void) const
{
return mMaxVisibleEntries;
}
size_t IHid::maxEntries(size_t count) const
{
return (count - mPage * mMaxVisibleEntries) > mMaxVisibleEntries ? mMaxVisibleEntries - 1 : count - mPage * mMaxVisibleEntries - 1;
}
void IHid::page_back(void)
{
if (mPage > 0) {
mPage--;
}
else if (mPage == 0) {
mPage = mMaxPages - 1;
}
}
void IHid::page_forward(void)
{
if (mPage < (int)mMaxPages - 1) {
mPage++;
}
else if (mPage == (int)mMaxPages - 1) {
mPage = 0;
}
}