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/*
* Extended support for activating emotes
* Copyright (C) 2009 Aethyra Development Team
* Copyright (C) 2009 The Mana World Development Team
* Copyright (C) 2009-2012 The Mana Developers
*
* This file is part of The Mana Client.
*
* 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 2 of the License, or
* 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/>.
*/
#include "gui/emotepopup.h"
#include "imagesprite.h"
#include "configuration.h"
#include "emoteshortcut.h"
#include "graphics.h"
#include "localplayer.h"
#include "log.h"
#include "resources/emotedb.h"
#include "resources/image.h"
#include "resources/iteminfo.h"
#include "resources/theme.h"
#include "utils/dtor.h"
#include <guichan/mouseinput.hpp>
#include <guichan/selectionlistener.hpp>
const int EmotePopup::gridWidth = 34; // emote icon width + 4
const int EmotePopup::gridHeight = 36; // emote icon height + 4
static const int MAX_COLUMNS = 6;
EmotePopup::EmotePopup()
{
// Setup emote sprites
for (int i = 0; i <= EmoteDB::getLast(); ++i)
{
mEmotes.push_back(EmoteDB::get(i)->sprite);
}
mSelectionImage = Theme::getImageFromTheme("selection.png");
if (!mSelectionImage)
logger->error("Unable to load selection.png");
mSelectionImage->setAlpha(config.getFloatValue("guialpha"));
addMouseListener(this);
recalculateSize();
setVisible(true);
}
EmotePopup::~EmotePopup()
{
mSelectionImage->decRef();
}
void EmotePopup::draw(gcn::Graphics *graphics)
{
Popup::draw(graphics);
const int emoteCount = mEmotes.size();
const int emotesLeft = mEmotes.size() % mColumnCount;
for (int i = 0; i < emoteCount ; i++)
{
int row = i / mColumnCount;
int column = i % mColumnCount;
int emoteX = 4 + column * gridWidth;
int emoteY = 4 + row * gridHeight;
// Center the last row when there are less emotes than columns
if (emotesLeft > 0 && row == mRowCount - 1)
emoteX += (mColumnCount - emotesLeft) * gridWidth / 2;
// Draw selection image below hovered item
if (i == mHoveredEmoteIndex)
{
static_cast<Graphics*>(graphics)->drawImage(
mSelectionImage, emoteX, emoteY + 4);
}
// Draw emote icon
mEmotes[i]->draw(static_cast<Graphics*>(graphics), emoteX, emoteY);
}
}
void EmotePopup::mousePressed(gcn::MouseEvent &event)
{
if (event.getButton() != gcn::MouseEvent::LEFT)
return;
const int index = getIndexAt(event.getX(), event.getY());
if (index != -1)
{
setSelectedEmoteIndex(index);
emoteShortcut->setEmoteSelected(index + 1);
}
}
void EmotePopup::mouseMoved(gcn::MouseEvent &event)
{
Popup::mouseMoved(event);
mHoveredEmoteIndex = getIndexAt(event.getX(), event.getY());
}
int EmotePopup::getSelectedEmote() const
{
return 1 + mSelectedEmoteIndex;
}
void EmotePopup::setSelectedEmoteIndex(int index)
{
if (index == mSelectedEmoteIndex)
return;
mSelectedEmoteIndex = index;
distributeValueChangedEvent();
}
int EmotePopup::getIndexAt(int x, int y) const
{
const int emotesLeft = mEmotes.size() % mColumnCount;
const int row = y / gridHeight;
int column;
// Take into account that the last row is centered
if (emotesLeft > 0 && row == mRowCount - 1)
{
int emotesMissing = mColumnCount - emotesLeft;
column = std::min((x - emotesMissing * gridWidth / 2) / gridWidth,
emotesLeft - 1);
}
else
{
column = std::min(x / gridWidth, mColumnCount - 1);
}
int index = column + (row * mColumnCount);
if ((unsigned) index < mEmotes.size())
return index;
return -1;
}
void EmotePopup::recalculateSize()
{
const unsigned emoteCount = mEmotes.size();
mRowCount = emoteCount / MAX_COLUMNS;
if (emoteCount % MAX_COLUMNS > 0)
++mRowCount;
mColumnCount = emoteCount / mRowCount;
if (emoteCount % mRowCount > 0)
++mColumnCount;
setContentSize(mColumnCount * gridWidth, mRowCount * gridHeight);
}
void EmotePopup::distributeValueChangedEvent()
{
gcn::SelectionEvent event(this);
Listeners::const_iterator i_end = mListeners.end();
Listeners::const_iterator i;
for (i = mListeners.begin(); i != i_end; ++i)
{
(*i)->valueChanged(event);
}
}
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