mirror of
https://github.com/RetroShare/RetroShare.git
synced 2024-10-01 02:35:48 -04:00
6b1613d8bb
- Added image support for forum messages - Renamed LinkTextBrowser to RSTextBrowser - Updated english translation git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@6752 b45a01b8-16f6-495d-af2f-9b41ad6348cc
127 lines
3.1 KiB
C++
127 lines
3.1 KiB
C++
#include <QDesktopServices>
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#include <QPainter>
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#include "RSTextBrowser.h"
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#include "RSImageBlockWidget.h"
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RSTextBrowser::RSTextBrowser(QWidget *parent) :
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QTextBrowser(parent)
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{
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setOpenExternalLinks(true);
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setOpenLinks(false);
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mShowImages = true;
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mImageBlockWidget = NULL;
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connect(this, SIGNAL(anchorClicked(QUrl)), this, SLOT(linkClicked(QUrl)));
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}
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void RSTextBrowser::linkClicked(const QUrl &url)
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{
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// some links are opened directly in the QTextBrowser with open external links set to true,
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// so we handle links by our own
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#ifdef TO_DO
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// If we want extra file links to be anonymous, we need to insert the actual source here.
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if(url.host() == HOST_EXTRAFILE)
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{
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std::cerr << "Extra file link detected. Adding parent id " << _target_sslid << " to sourcelist" << std::endl;
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RetroShareLink link ;
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link.fromUrl(url) ;
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link.createExtraFile( link.name(),link.size(),link.hash(), _target_ssl_id) ;
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QDesktopServices::openUrl(link.toUrl());
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}
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else
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#endif
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QDesktopServices::openUrl(url);
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}
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void RSTextBrowser::setPlaceholderText(const QString &text)
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{
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mPlaceholderText = text;
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viewport()->repaint();
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}
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void RSTextBrowser::paintEvent(QPaintEvent *event)
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{
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QTextBrowser::paintEvent(event);
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if (mPlaceholderText.isEmpty() == false && document()->isEmpty()) {
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QWidget *vieportWidget = viewport();
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QPainter painter(vieportWidget);
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QPen pen = painter.pen();
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QColor color = pen.color();
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color.setAlpha(128);
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pen.setColor(color);
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painter.setPen(pen);
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painter.drawText(QRect(QPoint(), vieportWidget->size()), Qt::AlignHCenter | Qt::AlignVCenter | Qt::TextWordWrap, mPlaceholderText);
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}
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}
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QVariant RSTextBrowser::loadResource(int type, const QUrl &name)
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{
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if (mShowImages || type != QTextDocument::ImageResource || name.scheme().compare("data", Qt::CaseInsensitive) != 0) {
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return QTextBrowser::loadResource(type, name);
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}
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if (mImageBlockWidget) {
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mImageBlockWidget->show();
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}
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return QPixmap(":/trolltech/styles/commonstyle/images/file-16.png");
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}
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void RSTextBrowser::setImageBlockWidget(RSImageBlockWidget *widget)
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{
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if (mImageBlockWidget) {
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// disconnect
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disconnect(mImageBlockWidget, SIGNAL(destroyed()), this, SLOT(destroyImageBlockWidget()));
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disconnect(mImageBlockWidget, SIGNAL(showImages()), this, SLOT(showImages()));
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}
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mImageBlockWidget = widget;
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if (mImageBlockWidget) {
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// connect
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connect(mImageBlockWidget, SIGNAL(destroyed()), this, SLOT(destroyImageBlockWidget()));
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connect(mImageBlockWidget, SIGNAL(showImages()), this, SLOT(showImages()));
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}
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resetImagesStatus(false);
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}
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void RSTextBrowser::destroyImageBlockWidget()
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{
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mImageBlockWidget = NULL;
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}
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void RSTextBrowser::showImages()
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{
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if (mImageBlockWidget && sender() == mImageBlockWidget) {
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mImageBlockWidget->hide();
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}
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if (mShowImages) {
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return;
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}
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mShowImages = true;
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QString html = toHtml();
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clear();
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setHtml(html);
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}
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void RSTextBrowser::resetImagesStatus(bool load)
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{
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if (mImageBlockWidget) {
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mImageBlockWidget->hide();
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}
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mShowImages = load;
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}
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