emotepage.cpp

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/*
 * The ManaPlus Client
 * Copyright (C) 2013-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * This file is part of The ManaPlus 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/widgets/emotepage.h"
 
#include "render/graphics.h"
 
#include "render/vertexes/imagecollection.h"
 
#include "resources/imageset.h"
 
#include "resources/loaders/imagesetloader.h"
 
#include "utils/delete2.h"
#include "utils/foreach.h"
 
#include "debug.h"
 
namespace
{
 const unsigned int emoteWidth = 17;
 const unsigned int emoteHeight = 18;
} // namespace
 
EmotePage::EmotePage(const Widget2 *const widget) :
 Widget(widget),
 MouseListener(),
 WidgetListener(),
 mEmotes(Loader::getImageSet(
 "graphics/sprites/chatemotes.png", emoteWidth, emoteHeight)),
 mVertexes(new ImageCollection),
 mSelectedIndex(-1)
{
 addMouseListener(this);
 addWidgetListener(this);
 mAllowLogic = false;
}
 
EmotePage::~EmotePage()
{
 if (mEmotes != nullptr)
 {
 mEmotes->decRef();
 mEmotes = nullptr;
 }
 delete2(mVertexes)
}
 
void EmotePage::draw(Graphics *const graphics)
{
 BLOCK_START("EmotePage::draw")
 
 if (mRedraw)
 {
 if (mEmotes == nullptr)
 return;
 
 const STD_VECTOR<Image*> &images = mEmotes->getImages();
 
 const unsigned int width = mDimension.width;
 unsigned int x = 0;
 unsigned int y = 0;
 
 mRedraw = false;
 mVertexes->clear();
 FOR_EACH (STD_VECTOR<Image*>::const_iterator, it, images)
 {
 const Image *const image = *it;
 if (image != nullptr)
 {
 graphics->calcTileCollection(mVertexes, image, x, y);
 x += emoteWidth;
 if (x + emoteWidth > width)
 {
 x = 0;
 y += emoteHeight;
 }
 }
 }
 graphics->finalize(mVertexes);
 }
 graphics->drawTileCollection(mVertexes);
 
 BLOCK_END("EmotePage::draw")
}
 
void EmotePage::safeDraw(Graphics *const graphics)
{
 BLOCK_START("EmotePage::safeDraw")
 
 if (mEmotes == nullptr)
 return;
 
 const STD_VECTOR<Image*> &images = mEmotes->getImages();
 
 const unsigned int width = mDimension.width;
 unsigned int x = 0;
 unsigned int y = 0;
 
 FOR_EACH (STD_VECTOR<Image*>::const_iterator, it, images)
 {
 const Image *const image = *it;
 if (image != nullptr)
 {
 graphics->drawImage(image, x, y);
 x += emoteWidth;
 if (x + emoteWidth > width)
 {
 x = 0;
 y += emoteHeight;
 }
 }
 }
 
 BLOCK_END("EmotePage::safeDraw")
}
 
void EmotePage::mousePressed(MouseEvent &event)
{
 mSelectedIndex = getIndexFromGrid(event.getX(), event.getY());
 event.consume();
 distributeActionEvent();
}
 
int EmotePage::getIndexFromGrid(const int x, const int y) const
{
 const int width = mDimension.width;
 if (x < 0 || x > width || y < 0 || y > mDimension.height)
 return -1;
 const int cols = width / emoteWidth;
 const int index = (y / emoteHeight) * cols + (x / emoteWidth);
 if (index >= CAST_S32(mEmotes->size()))
 return -1;
 return index;
}
 
void EmotePage::resetAction()
{
 mSelectedIndex = -1;
}
 
void EmotePage::widgetResized(const Event &event A_UNUSED)
{
 mRedraw = true;
}
 
void EmotePage::widgetMoved(const Event &event A_UNUSED)
{
 mRedraw = true;
}