Checkpoint/3ds/source/scrollable.cpp
BernardoGiordano e5fd2f04dd fix #88
2018-05-26 09:36:00 +02:00

61 lines
2.2 KiB
C++

/*
* This file is part of Checkpoint
* Copyright (C) 2017-2018 Bernardo Giordano
*
* 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 "scrollable.hpp"
void Scrollable::push_back(u32 color, u32 colorMessage, const std::string& message)
{
static const float spacing = mh / mVisibleEntries;
Clickable* cell = new Clickable(mx, my + (size() % mVisibleEntries)*spacing, mw, spacing, color, colorMessage, message, false);
mCells.push_back(cell);
}
void Scrollable::updateSelection(void)
{
touchPosition touch;
hidTouchRead(&touch);
const u32 hu = mHid->maxEntries(size()) * mh / mVisibleEntries;
if (hidKeysHeld() & KEY_TOUCH && touch.py > my && touch.py < my+hu && touch.px > mx && touch.px < mx+mw)
{
mHid->index((size_t)((touch.py - my)*mVisibleEntries/mh));
}
mHid->update(size());
mIndex = mHid->index();
mPage = mHid->page();
}
void Scrollable::draw(void)
{
const size_t baseIndex = mVisibleEntries*mPage;
const size_t sz = size() - baseIndex > mVisibleEntries ? mVisibleEntries : size() - baseIndex;
for (size_t i = baseIndex; i < baseIndex + sz; i++)
{
mCells.at(i)->draw(0.5f);
}
}