RetroShare/retroshare-gui/src/gui/common/FloatingHelpBrowser.cpp
thunder2 a50c899ff3 Moved help browser from MainPage to a new base class named FloatingHelpBrowser for global usage.
Added FloatingHelpBrowser to the option window (help text not including).
The help text can be specified for the ConfigPages in the method "helpText".

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@6818 b45a01b8-16f6-495d-af2f-9b41ad6348cc
2013-10-09 09:31:40 +00:00

98 lines
2.5 KiB
C++

/****************************************************************
* This file is distributed under the following license:
*
* Copyright (c) 2013, RetroShare Team
*
* 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 (at your option) 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
****************************************************************/
#include <QGraphicsDropShadowEffect>
#include <QAbstractButton>
#include <QShowEvent>
#include <iostream>
#include "FloatingHelpBrowser.h"
FloatingHelpBrowser::FloatingHelpBrowser(QWidget *parent, QAbstractButton *button) :
QTextBrowser(parent), mButton(button)
{
QGraphicsDropShadowEffect *effect = new QGraphicsDropShadowEffect(this);
effect->setBlurRadius(30.0);
setGraphicsEffect(effect);
setSizePolicy(QSizePolicy(QSizePolicy::Minimum,QSizePolicy::Minimum));
hide();
connect(this, SIGNAL(textChanged()), this, SLOT(textChanged()));
if (mButton) {
connect(mButton, SIGNAL(toggled(bool)), this, SLOT(showHelp(bool)));
}
}
void FloatingHelpBrowser::showEvent(QShowEvent */*event*/)
{
if (mButton) {
mButton->setChecked(true);
}
}
void FloatingHelpBrowser::hideEvent(QHideEvent */*event*/)
{
if (mButton) {
mButton->setChecked(false);
}
}
void FloatingHelpBrowser::mousePressEvent(QMouseEvent */*event*/)
{
hide();
}
void FloatingHelpBrowser::textChanged()
{
if (mButton) {
mButton->setVisible(!document()->isEmpty());
}
}
void FloatingHelpBrowser::showHelp(bool state)
{
QWidget *p = parentWidget();
if (!p) {
return;
}
resize(p->size() * 0.5);
move(p->width() / 2 - width() / 2, p->height() / 2 - height() / 2);
update();
std::cerr << "Toggling help to " << state << std::endl;
setVisible(state);
}
void FloatingHelpBrowser::setHelpText(const QString &helpText)
{
if (helpText.isEmpty()) {
clear();
return;
}
setHtml("<div align=\"justify\">" + helpText + "</div>");
}