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//=============================================================================
//
// File : HelpWidget.cpp
// Creation date : Thu Aug 10 2000 17:42:12 by Szymon Stefanek
//
// This file is part of the KVIrc irc client distribution
// Copyright (C) 2000-2010 Szymon Stefanek (pragma at kvirc dot net)
//
// 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 opinion) 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 "HelpWidget.h"
#include "HelpWindow.h"
#include "KviMainWindow.h"
#include "KviIconManager.h"
#include "KviLocale.h"
#include "KviApplication.h"
#include "KviMessageBox.h"
#include "KviModule.h"
#include "KviFileUtils.h"
#include <QToolButton>
#include <QLineEdit>
#include <QToolTip>
#include <QTimer>
#include <QClipboard>
#include <QDir>
extern HelpIndex * g_pDocIndex;
extern KviPointerList<HelpWindow> * g_pHelpWindowList;
extern KviPointerList<HelpWidget> * g_pHelpWidgetList;
HelpWidget::HelpWidget(QWidget * par,KviMainWindow *,bool bIsStandalone)
: QWidget(par)
{
setObjectName("help_widget");
setMinimumWidth(80);
if(bIsStandalone)g_pHelpWidgetList->append(this);
m_bIsStandalone = bIsStandalone;
m_pTextBrowser = new QTextBrowser(this);
m_pTextBrowser->setObjectName("text_browser");
m_pTextBrowser->setFrameStyle(QFrame::StyledPanel|QFrame::Sunken);
m_pTextBrowser->setStyleSheet("QTextBrowser { background-color:white; color:black; }");
m_pToolBar = new KviTalHBox(this);
m_pBtnIndex = new QToolButton(m_pToolBar);
m_pBtnIndex->setIcon(*g_pIconManager->getBigIcon(KVI_BIGICON_HELPINDEX));
connect(m_pBtnIndex,SIGNAL(clicked()),this,SLOT(showIndex()));
m_pBtnBackward = new QToolButton(m_pToolBar);
m_pBtnBackward->setIcon(*g_pIconManager->getBigIcon(KVI_BIGICON_HELPBACK));
connect(m_pBtnBackward,SIGNAL(clicked()),m_pTextBrowser,SLOT(backward()));
m_pBtnBackward->setEnabled(false);
m_pBtnForward = new QToolButton(m_pToolBar);
m_pBtnForward->setIcon(*g_pIconManager->getBigIcon(KVI_BIGICON_HELPFORWARD));
connect(m_pBtnForward,SIGNAL(clicked()),m_pTextBrowser,SLOT(forward()));
m_pBtnForward->setEnabled(false);
QWidget* pSpacer=new QWidget(m_pToolBar);
if(bIsStandalone)
{
QToolButton * b = new QToolButton(m_pToolBar);
b->setIcon(*g_pIconManager->getBigIcon(KVI_BIGICON_HELPCLOSE));
connect(b,SIGNAL(clicked()),this,SLOT(doClose()));
}
m_pToolBar->setStretchFactor(pSpacer,1);
connect(m_pTextBrowser,SIGNAL(backwardAvailable(bool)),m_pBtnBackward,SLOT(setEnabled(bool)));
connect(m_pTextBrowser,SIGNAL(forwardAvailable(bool)),m_pBtnForward,SLOT(setEnabled(bool)));
}
HelpWidget::~HelpWidget()
{
if(m_bIsStandalone)g_pHelpWidgetList->removeRef(this);
}
void HelpWidget::showIndex()
{
QString szHelpDir;
QDir dirHelp;
g_pApp->getGlobalKvircDirectory(szHelpDir,KviApplication::Help);
dirHelp = QDir(szHelpDir);
m_pTextBrowser->setSource(QUrl::fromLocalFile(dirHelp.absoluteFilePath("index.html")));
}
void HelpWidget::resizeEvent(QResizeEvent *)
{
int hght = m_pToolBar->sizeHint().height();
if(hght < 40)hght = 40;
m_pToolBar->setGeometry(0,0,width(),hght);
m_pTextBrowser->setGeometry(0,hght,width(),height() - hght);
}
void HelpWidget::doClose()
{
// hack needed to workaround "QToolBar::emulateButtonClicked()"
// that refers to the "this" pointer after this slot has been
// called (from the "too-small-toolbar-for-all-items-popup")
QTimer::singleShot(0,this,SLOT(suicide()));
}
void HelpWidget::suicide()
{
// goodbye cruel wolrd
delete this;
}
QSize HelpWidget::sizeHint() const
{
int wdth = m_pTextBrowser->sizeHint().width();
if(m_pToolBar->sizeHint().width() > wdth)wdth = m_pToolBar->sizeHint().width();
QSize s(wdth,m_pTextBrowser->sizeHint().height() + m_pToolBar->sizeHint().height());
return s;
}
#ifndef COMPILE_USE_STANDALONE_MOC_SOURCES
#include "HelpWidget.moc"
#endif //!COMPILE_USE_STANDALONE_MOC_SOURCES
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