Checkpoint/switch/source/scrollable.cpp
2019-04-21 18:05:26 +02:00

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3 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 "scrollable.hpp"
void Scrollable::setIndex(size_t i)
{
IScrollable::index(i);
mHid->index(mIndex);
mHid->page(mPage);
}
void Scrollable::resetIndex(void)
{
mHid->index(0);
mHid->page(0);
}
void Scrollable::push_back(SDL_Color color, SDL_Color colorMessage, const std::string& message, bool selected)
{
static const float spacing = mh / mVisibleEntries;
Clickable* cell = new Clickable(mx, my + (size() % mVisibleEntries)*spacing, mw, spacing, color, colorMessage, message, false);
cell->selected(selected);
mCells.push_back(cell);
}
void Scrollable::updateSelection(void)
{
touchPosition touch;
hidTouchRead(&touch, 0);
const int hu = (mHid->maxEntries(size()) + 1) * mh / mVisibleEntries;
if (hidKeysHeld(CONTROLLER_P1_AUTO) & KEY_TOUCH && touch.py > (float)my && touch.py < (float)(my+hu) && touch.px > (float)mx && touch.px < (float)(mx+mw))
{
mHid->index(ceilf((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(20, g_backupScrollEnabled ? COLOR_BLUE : theme().c0);
}
size_t blankRows = mVisibleEntries - sz;
size_t rowHeight = mh / mVisibleEntries;
SDLH_DrawRect(mx, my + sz * rowHeight, mw, rowHeight * blankRows, theme().c2);
// draw selector
for (size_t i = baseIndex; i < baseIndex + sz; i++)
{
if (mCells.at(i)->selected())
{
mCells.at(i)->drawOutline(g_backupScrollEnabled ? COLOR_BLUE : theme().c5);
break;
}
}
}