Skip to content

Instantly share code, notes, and snippets.

@robertknight
Created December 11, 2012 19:02
Show Gist options
  • Save robertknight/4261089 to your computer and use it in GitHub Desktop.
Save robertknight/4261089 to your computer and use it in GitHub Desktop.
WebLabel src
#include "weblabel.h"
#include <QtWebKit/QWebFrame>
#include <QtWebKit/QWebSettings>
#include <QtGui/QPainter>
WebKitLabel::WebKitLabel(const QString& text, QWidget* parent)
: QFrame(parent)
, m_webPage(new QWebPage(this))
{
m_webPage->setView(this);
connect(m_webPage, SIGNAL(linkClicked(QUrl)),
this, SLOT(handleLinkClick(QUrl)));
connect(m_webPage, SIGNAL(linkHovered(QString, QString, QString)),
this, SLOT(handleLinkHover(QString)));
//m_webPage->mainFrame()->setScrollBarPolicy(Qt::Horizontal, Qt::ScrollBarAlwaysOff);
m_webPage->mainFrame()->setScrollBarPolicy(Qt::Vertical, Qt::ScrollBarAlwaysOff);
updatePalette();
updateFonts();
setText(text);
}
void WebKitLabel::updatePalette()
{
QPalette palette = this->palette();
palette.setBrush(QPalette::Base, Qt::transparent);
m_webPage->setPalette(palette);
}
void WebKitLabel::updateFonts()
{
QWebSettings* settings = m_webPage->settings();
settings->setFontFamily(QWebSettings::StandardFont, font().family());
settings->setFontSize(QWebSettings::DefaultFontSize, font().pointSize());
}
void WebKitLabel::setText(const QString& text)
{
m_webPage->mainFrame()->setHtml(text);
m_mainElement = m_webPage->mainFrame()->findFirstElement("body");
m_mainElement.setStyleProperty("margin", "0");
m_mainElement.setStyleProperty("padding", "0");
updateGeometry();
}
QString WebKitLabel::text() const
{
return m_webPage->mainFrame()->toHtml();
}
void WebKitLabel::paintEvent(QPaintEvent* event)
{
QFrame::paintEvent(event);
QPainter painter(this);
m_webPage->mainFrame()->render(&painter);
}
void WebKitLabel::resizeEvent(QResizeEvent*)
{
m_webPage->setViewportSize(size());
}
QSize WebKitLabel::sizeHint() const
{
return m_mainElement.geometry().size();
}
QSize WebKitLabel::minimumSizeHint() const
{
return sizeHint();
}
void WebKitLabel::handleLinkClick(const QUrl& url)
{
emit linkActivated(url.toString());
}
void WebKitLabel::handleLinkHover(const QString& link)
{
emit linkHovered(link);
}
#pragma once
#include <QtGui/QFrame>
#include <QtWebKit/QWebElement>
#include <QtWebKit/QWebPage>
class WebKitLabel : public QFrame
{
Q_OBJECT
public:
WebKitLabel(const QString& text, QWidget* parent = 0);
void setText(const QString& text);
QString text() const;
virtual QSize sizeHint() const;
virtual QSize minimumSizeHint() const;
Q_SIGNALS:
void linkActivated(const QString& link);
void linkHovered(const QString& link);
protected:
virtual void paintEvent(QPaintEvent* event);
virtual void resizeEvent(QResizeEvent* event);
private Q_SLOTS:
void handleLinkClick(const QUrl& url);
void handleLinkHover(const QString& link);
private:
void updatePalette();
void updateFonts();
QWebPage* m_webPage;
QWebElement m_mainElement;
};
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment