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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 "log.h"
#include "resources/emotedb.h"
#include "resources/image.h"
#include "resources/theme.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()
{
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 = EmoteDB::getEmoteCount();
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 (row == mRowCount - 1)
{
const int emotesLeft = emoteCount % mColumnCount;
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
EmoteDB::getByIndex(i).sprite->draw(static_cast<Graphics*>(graphics), emoteX, emoteY);
}
}
void EmotePopup::mouseExited(gcn::MouseEvent &event)
{
Popup::mouseExited(event);
mHoveredEmoteIndex = -1;
}
void EmotePopup::mousePressed(gcn::MouseEvent &event)
{
if (event.getButton() != gcn::MouseEvent::LEFT)
return;
const int index = getIndexAt(event.getX(), event.getY());
if (index != -1)
{
const int emoteId = EmoteDB::getByIndex(index).id;
setSelectedEmoteId(emoteId);
emoteShortcut->setEmoteSelected(emoteId);
}
}
void EmotePopup::mouseMoved(gcn::MouseEvent &event)
{
Popup::mouseMoved(event);
mHoveredEmoteIndex = getIndexAt(event.getX(), event.getY());
}
int EmotePopup::getSelectedEmoteId() const
{
return mSelectedEmoteId;
}
void EmotePopup::setSelectedEmoteId(int emoteId)
{
if (emoteId == mSelectedEmoteId)
return;
mSelectedEmoteId = emoteId;
distributeValueChangedEvent();
}
int EmotePopup::getIndexAt(int x, int y) const
{
if (mColumnCount <= 0)
return -1;
// Take into account the border
x -= 2;
y -= 4;
const int row = y / gridHeight;
// Take into account that the last row is centered
if (row == mRowCount - 1)
{
const int emotesLeft = EmoteDB::getEmoteCount() % mColumnCount;
const int emotesMissing = mColumnCount - emotesLeft;
x -= emotesMissing * gridWidth / 2;
if (x < 0)
return -1;
}
const int column = std::min(x / gridWidth, mColumnCount - 1);
const int index = column + (row * mColumnCount);
if (index >= 0 && index < EmoteDB::getEmoteCount())
return index;
return -1;
}
void EmotePopup::recalculateSize()
{
const int emoteCount = EmoteDB::getEmoteCount();
if (emoteCount > 0) {
mRowCount = emoteCount / MAX_COLUMNS;
if (emoteCount % MAX_COLUMNS > 0)
++mRowCount;
mColumnCount = std::min(MAX_COLUMNS, emoteCount);
} else {
mRowCount = 0;
mColumnCount = 0;
}
setContentSize(mColumnCount * gridWidth, mRowCount * gridHeight);
}
void EmotePopup::distributeValueChangedEvent()
{
const gcn::SelectionEvent event(this);
for (auto &listener : mListeners)
{
listener->valueChanged(event);
}
}
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