111 lines
3.1 KiB
C++
111 lines
3.1 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2002-2011 Werner Schweer
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2
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// as published by the Free Software Foundation and appearing in
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// the file LICENCE.GPL
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//=============================================================================
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#include "helpBrowser.h"
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//---------------------------------------------------------
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// HelpBrowser
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//---------------------------------------------------------
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HelpBrowser::HelpBrowser(QWidget* parent)
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: QWidget(parent)
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{
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view = new WebView;
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toolbar = new QWidget;
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toolbar->setSizePolicy(QSizePolicy::Expanding,
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QSizePolicy::Fixed);
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QVBoxLayout* l = new QVBoxLayout;
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l->addWidget(toolbar);
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l->addWidget(view);
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setLayout(l);
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QHBoxLayout* bl = new QHBoxLayout;
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QToolButton* home = new QToolButton;
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home->setIcon(QIcon(":/data/home.png"));
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bl->addWidget(home);
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connect(home, SIGNAL(clicked()), SLOT(homeClicked()));
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bl->addStretch(2);
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QToolButton* previous = new QToolButton;
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previous->setDefaultAction(view->pageAction(QWebPage::Back));
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bl->addWidget(previous);
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QToolButton* next = new QToolButton;
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bl->addWidget(next);
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next->setDefaultAction(view->pageAction(QWebPage::Forward));
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bl->addStretch(10);
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QToolButton* reload = new QToolButton;
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reload->setDefaultAction(view->pageAction(QWebPage::Reload));
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bl->addWidget(reload);
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toolbar->setLayout(bl);
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}
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//---------------------------------------------------------
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// setContent
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//---------------------------------------------------------
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void HelpBrowser::setContent(const QString& path)
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{
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homePath = QUrl::fromLocalFile(path);
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view->setUrl(homePath);
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}
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void HelpBrowser::setContent(const QUrl& url)
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{
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homePath = url;
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view->setUrl(url);
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}
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//---------------------------------------------------------
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// homeClicked
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//---------------------------------------------------------
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void HelpBrowser::homeClicked()
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{
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view->setUrl(homePath);
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}
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//---------------------------------------------------------
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// wheelEvent
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//---------------------------------------------------------
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void WebView::wheelEvent(QWheelEvent* event)
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{
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static int deltaSum = 0;
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deltaSum += event->delta();
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int step = deltaSum / 120;
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deltaSum %= 120;
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if (event->modifiers() & Qt::ControlModifier) {
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qreal _mag = zoomFactor();
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if (step > 0) {
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for (int i = 0; i < step; ++i)
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_mag *= 1.1;
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}
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else {
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for (int i = 0; i < -step; ++i)
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_mag /= 1.1;
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}
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setZoomFactor(_mag);
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event->accept();
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}
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else
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event->ignore();
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QWebView::wheelEvent(event);
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}
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