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/***************************************************************************
* Copyright (C) 2008 by Alexey Balakin *
* mathgl.abalakin@gmail.com *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <QLayout>
#include <QLineEdit>
#include <QToolBar>
#include <QPushButton>
#include <QTextBrowser>
#include <QToolButton>
#include <stdio.h>
//-----------------------------------------------------------------------------
#include "mgl2/define.h"
#include "help_pnl.h"
extern QString pathHelp;
void raisePanel(QWidget *w);
//-----------------------------------------------------------------------------
QWidget *createHlpPanel(QWidget *p) { return new HelpPanel(p); }
void showHelpMGL(QWidget *p,QString s)
{
HelpPanel *hlp = dynamic_cast<HelpPanel *>(p);
if(hlp) hlp->showHelp(s);
}
//void showExMGL(QWidget *hlp) { ((HelpPanel *)hlp)->showExamples(); }
//-----------------------------------------------------------------------------
HelpPanel::HelpPanel(QWidget *parent) : QWidget(parent)
{
QToolBar *t = new QToolBar(this); t->setMovable(false);
QVBoxLayout *v = new QVBoxLayout(this); v->addWidget(t);
help = new QTextBrowser(this); v->addWidget(help); help->setOpenExternalLinks(false);
t->addAction(QPixmap(":/png/go-previous.png"), _("Backward"), help, SLOT(backward()));
entry = new QLineEdit(this); t->addWidget(entry);
connect(entry, SIGNAL(textChanged(const QString &)), this, SLOT(showHelp(const QString &)));
connect(entry, SIGNAL(returnPressed()), this, SLOT(showHelp()));
t->addAction(QPixmap(":/png/go-next.png"), _("Forward"), help, SLOT(forward()));
t->addSeparator();
// t->addAction(QPixmap(":/png/help-faq.png"), _("Examples"), this, SLOT(showExamples()));
t->addAction(QPixmap(":/png/zoom-in.png"), _("Zoom in text"), this, SLOT(zoomIn()));
t->addAction(QPixmap(":/png/zoom-out.png"), _("Zoom out text"), this, SLOT(zoomOut()));
setWindowTitle(_("Help"));
}
//-----------------------------------------------------------------------------
// void HelpPanel::showExamples()
// {
// QStringList s; s<<(pathHelp);
// help->setSearchPaths(s);
// setWindowTitle("Examples"); raisePanel(this);
// help->setSource("mgl_en"+"_2.html");
// }
//-----------------------------------------------------------------------------
void HelpPanel::showHelp(const QString &txt)
{
QString cmd=txt;
raisePanel(this);
QStringList s; s<<(pathHelp);
help->setSearchPaths(s);
if(cmd.isEmpty()) cmd = entry->text().trimmed();
// NOTE disable other translations for help files due to Qt bug
if(cmd.isEmpty()) help->setSource("mgl_en"+QString(".html"));
else
{
// if((cmd[0]>='A' && cmd[0]<'Z') || cmd.contains("index-"))
help->setSource("mgl_en"+QString(".html#")+cmd);
// else
// help->setSource("mgl_en"+QString(".html#index-")+cmd);
}
setWindowTitle("Help");
}
//-----------------------------------------------------------------------------
void HelpPanel::zoomIn()
{ QFont f(help->font()); f.setPointSize(f.pointSize()+1); help->setFont(f); }
//-----------------------------------------------------------------------------
void HelpPanel::zoomOut()
{ QFont f(help->font()); f.setPointSize(f.pointSize()-1); help->setFont(f); }
//-----------------------------------------------------------------------------
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