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129 lines
3.9 KiB
129 lines
3.9 KiB
/*
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* Copyright (C) 2015-2022 Département de l'Instruction Publique (DIP-SEM)
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*
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* Copyright (C) 2013 Open Education Foundation
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*
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* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
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* l'Education Numérique en Afrique (GIP ENA)
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*
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* This file is part of OpenBoard.
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*
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* OpenBoard is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License,
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* with a specific linking exception for the OpenSSL project's
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* "OpenSSL" library (or with modified versions of it that use the
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* same license as the "OpenSSL" library).
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*
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* OpenBoard is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "UBZoomPalette.h"
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#include <QtGui>
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#include <QPushButton>
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#include <math.h>
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#include "core/UBApplication.h"
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#include "board/UBBoardController.h"
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#include "board/UBBoardView.h"
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#include "core/memcheck.h"
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UBZoomPalette::UBZoomPalette(QWidget* parent)
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: UBFloatingPalette(Qt::BottomRightCorner, parent)
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, mIsExpanded(1)
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{
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mBoardController = UBApplication::boardController;
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QLayout* layout = new QVBoxLayout(this);
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mCurrentZoomButton = new QPushButton(parent);
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mCurrentZoomButton->setStyleSheet(QString("QPushButton { color: white; background-color: transparent; border: none; font-family: Arial; font-weight: bold; font-size: 20px }"));
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mCurrentZoomButton->setFocusPolicy(Qt::NoFocus);
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connect(mCurrentZoomButton, SIGNAL(clicked(bool)), this, SLOT(showHideExtraButton()));
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connect(mBoardController, SIGNAL(zoomChanged(qreal)), this, SLOT(refreshPalette()));
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connect(mBoardController, SIGNAL(activeSceneChanged()), this, SLOT(refreshPalette()));
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mHundredButton = new QPushButton(parent);
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mHundredButton->setStyleSheet(QString("QPushButton { color: white; background-color: transparent; border: none; font-family: Arial; font-weight: bold; font-size: 20px }"));
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mHundredButton->setFocusPolicy(Qt::NoFocus);
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mHundredButton->setIcon(QIcon(":/images/stylusPalette/restoreZoom.svg"));
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mHundredButton->setIconSize(QSize(42,42));
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connect(mHundredButton, SIGNAL(clicked(bool)), this, SLOT(goHundred()));
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layout->setContentsMargins(radius() + 15, 4, radius() + 15, 4);
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layout->addWidget(mHundredButton);
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layout->addWidget(mCurrentZoomButton);
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hide();
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refreshPalette();
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}
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UBZoomPalette::~UBZoomPalette()
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{
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delete mCurrentZoomButton;
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}
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void UBZoomPalette::showHideExtraButton()
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{
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if (mIsExpanded)
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{
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mHundredButton->setVisible(false);
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mIsExpanded = false;
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adjustSizeAndPosition(false);
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}
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else
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{
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mHundredButton->setVisible(true);
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mIsExpanded = true;
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adjustSizeAndPosition(true);
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}
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}
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void UBZoomPalette::goHundred()
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{
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mBoardController->zoomRestore();
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}
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void UBZoomPalette::hide()
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{
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qreal currentZoomFactor = mBoardController->currentZoom();
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bool showAsNoZoom = (currentZoomFactor > 0.9 && currentZoomFactor < 1.1);
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if (showAsNoZoom)
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{
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UBFloatingPalette::hide();
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}
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}
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void UBZoomPalette::refreshPalette()
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{
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qreal currentZoomFactor = mBoardController->currentZoom();
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bool showAsNoZoom = (currentZoomFactor > 0.9 && currentZoomFactor < 1.1);
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if (showAsNoZoom)
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{
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currentZoomFactor = 1;
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}
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QString stringFactor = tr("%1 x").arg(currentZoomFactor, 0, 'f', 1);
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mCurrentZoomButton->setText(stringFactor);
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adjustSizeAndPosition();
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if (showAsNoZoom)
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{
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QTimer::singleShot(500, this, SLOT(hide()));
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}
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else
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{
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show();
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raise();
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}
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}
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