mirror of
https://github.com/RetroShare/RetroShare.git
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98 lines
2.5 KiB
C++
98 lines
2.5 KiB
C++
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/****************************************************************
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* This file is distributed under the following license:
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*
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* Copyright (c) 2013, RetroShare Team
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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****************************************************************/
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#include <QGraphicsDropShadowEffect>
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#include <QAbstractButton>
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#include <QShowEvent>
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#include <iostream>
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#include "FloatingHelpBrowser.h"
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FloatingHelpBrowser::FloatingHelpBrowser(QWidget *parent, QAbstractButton *button) :
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QTextBrowser(parent), mButton(button)
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{
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QGraphicsDropShadowEffect *effect = new QGraphicsDropShadowEffect(this);
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effect->setBlurRadius(30.0);
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setGraphicsEffect(effect);
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setSizePolicy(QSizePolicy(QSizePolicy::Minimum,QSizePolicy::Minimum));
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hide();
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connect(this, SIGNAL(textChanged()), this, SLOT(textChanged()));
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if (mButton) {
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connect(mButton, SIGNAL(toggled(bool)), this, SLOT(showHelp(bool)));
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}
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}
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void FloatingHelpBrowser::showEvent(QShowEvent */*event*/)
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{
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if (mButton) {
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mButton->setChecked(true);
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}
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}
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void FloatingHelpBrowser::hideEvent(QHideEvent */*event*/)
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{
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if (mButton) {
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mButton->setChecked(false);
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}
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}
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void FloatingHelpBrowser::mousePressEvent(QMouseEvent */*event*/)
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{
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hide();
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}
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void FloatingHelpBrowser::textChanged()
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{
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if (mButton) {
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mButton->setVisible(!document()->isEmpty());
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}
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}
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void FloatingHelpBrowser::showHelp(bool state)
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{
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QWidget *p = parentWidget();
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if (!p) {
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return;
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}
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resize(p->size() * 0.5);
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move(p->width() / 2 - width() / 2, p->height() / 2 - height() / 2);
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update();
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std::cerr << "Toggling help to " << state << std::endl;
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setVisible(state);
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}
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void FloatingHelpBrowser::setHelpText(const QString &helpText)
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{
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if (helpText.isEmpty()) {
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clear();
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return;
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}
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setHtml("<div align=\"justify\">" + helpText + "</div>");
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}
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