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/*
* Copyright (C) 2015-2018 Département de l'Instruction Publique (DIP-SEM)
*
* Copyright (C) 2013 Open Education Foundation
*
* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
* l'Education Numérique en Afrique (GIP ENA)
*
* This file is part of OpenBoard.
*
* OpenBoard 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, version 3 of the License,
* with a specific linking exception for the OpenSSL project's
* "OpenSSL" library (or with modified versions of it that use the
* same license as the "OpenSSL" library).
*
* OpenBoard 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 OpenBoard. If not, see <http://www.gnu.org/licenses/>.
*/
#include "UBZoomPalette.h"
#include <QtGui>
#include <QPushButton>
#include <math.h>
#include "core/UBApplication.h"
#include "board/UBBoardController.h"
#include "board/UBBoardView.h"
#include "core/memcheck.h"
UBZoomPalette::UBZoomPalette(QWidget* parent)
: UBFloatingPalette(Qt::BottomRightCorner, parent)
, mIsExpanded(1)
{
mBoardController = UBApplication::boardController;
QLayout* layout = new QVBoxLayout(this);
mCurrentZoomButton = new QPushButton(parent);
mCurrentZoomButton->setStyleSheet(QString("QPushButton { color: white; background-color: transparent; border: none; font-family: Arial; font-weight: bold; font-size: 20px }"));
mCurrentZoomButton->setFocusPolicy(Qt::NoFocus);
connect(mCurrentZoomButton, SIGNAL(clicked(bool)), this, SLOT(showHideExtraButton()));
connect(mBoardController, SIGNAL(zoomChanged(qreal)), this, SLOT(refreshPalette()));
connect(mBoardController, SIGNAL(activeSceneChanged()), this, SLOT(refreshPalette()));
mHundredButton = new QPushButton(parent);
mHundredButton->setStyleSheet(QString("QPushButton { color: white; background-color: transparent; border: none; font-family: Arial; font-weight: bold; font-size: 20px }"));
mHundredButton->setFocusPolicy(Qt::NoFocus);
mHundredButton->setIcon(QIcon(":/images/stylusPalette/restoreZoom.png"));
mHundredButton->setIconSize(QSize(42,42));
connect(mHundredButton, SIGNAL(clicked(bool)), this, SLOT(goHundred()));
layout->setContentsMargins(radius() + 15, 4, radius() + 15, 4);
layout->addWidget(mHundredButton);
layout->addWidget(mCurrentZoomButton);
hide();
refreshPalette();
}
UBZoomPalette::~UBZoomPalette()
{
delete mCurrentZoomButton;
}
void UBZoomPalette::showHideExtraButton()
{
if (mIsExpanded)
{
mHundredButton->setVisible(false);
mIsExpanded = false;
adjustSizeAndPosition(false);
}
else
{
mHundredButton->setVisible(true);
mIsExpanded = true;
adjustSizeAndPosition(true);
}
}
void UBZoomPalette::goHundred()
{
mBoardController->zoomRestore();
}
void UBZoomPalette::hide()
{
qreal currentZoomFactor = mBoardController->currentZoom();
bool showAsNoZoom = (currentZoomFactor > 0.9 && currentZoomFactor < 1.1);
if (showAsNoZoom)
{
UBFloatingPalette::hide();
}
}
void UBZoomPalette::refreshPalette()
{
qreal currentZoomFactor = mBoardController->currentZoom();
bool showAsNoZoom = (currentZoomFactor > 0.9 && currentZoomFactor < 1.1);
if (showAsNoZoom)
{
currentZoomFactor = 1;
}
QString stringFactor = tr("%1 x").arg(currentZoomFactor, 0, 'f', 1);
mCurrentZoomButton->setText(stringFactor);
adjustSizeAndPosition();
if (showAsNoZoom)
{
QTimer::singleShot(500, this, SLOT(hide()));
}
else
{
show();
raise();
}
}