- Added blocking of embedded images (+ settings) to forums and messages

- 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
2025-06-05 05:12:51 -04:00 · 2013-09-23 19:53:26 +00:00 · 2013-09-23 19:53:26 +00:00 · 6b1613d8bb
commit 6b1613d8bb
parent 8ffc0e05de
31 changed files with 907 additions and 454 deletions
--- a/retroshare-gui/src/gui/common/RSTextBrowser.cpp
+++ b/retroshare-gui/src/gui/common/RSTextBrowser.cpp
@ -0,0 +1,126 @@
+#include <QDesktopServices>
+#include <QPainter>
+
+#include "RSTextBrowser.h"
+#include "RSImageBlockWidget.h"
+
+RSTextBrowser::RSTextBrowser(QWidget *parent) :
+	QTextBrowser(parent)
+{
+	setOpenExternalLinks(true);
+	setOpenLinks(false);
+
+	mShowImages = true;
+	mImageBlockWidget = NULL;
+
+	connect(this, SIGNAL(anchorClicked(QUrl)), this, SLOT(linkClicked(QUrl)));
+}
+
+void RSTextBrowser::linkClicked(const QUrl &url)
+{
+	// some links are opened directly in the QTextBrowser with open external links set to true,
+	// so we handle links by our own
+
+#ifdef TO_DO
+	// If we want extra file links to be anonymous, we need to insert the actual source here.
+	if(url.host() == HOST_EXTRAFILE)
+	{
+		std::cerr << "Extra file link detected. Adding parent id " << _target_sslid << " to sourcelist" << std::endl;
+
+		RetroShareLink link ;
+		link.fromUrl(url) ;
+
+		link.createExtraFile( link.name(),link.size(),link.hash(), _target_ssl_id) ;
+
+		QDesktopServices::openUrl(link.toUrl());
+	}
+	else
+#endif
+		QDesktopServices::openUrl(url);
+}
+
+void RSTextBrowser::setPlaceholderText(const QString &text)
+{
+	mPlaceholderText = text;
+	viewport()->repaint();
+}
+
+void RSTextBrowser::paintEvent(QPaintEvent *event)
+{
+	QTextBrowser::paintEvent(event);
+
+	if (mPlaceholderText.isEmpty() == false && document()->isEmpty()) {
+		QWidget *vieportWidget = viewport();
+		QPainter painter(vieportWidget);
+
+		QPen pen = painter.pen();
+		QColor color = pen.color();
+		color.setAlpha(128);
+		pen.setColor(color);
+		painter.setPen(pen);
+
+		painter.drawText(QRect(QPoint(), vieportWidget->size()), Qt::AlignHCenter | Qt::AlignVCenter | Qt::TextWordWrap, mPlaceholderText);
+	}
+}
+
+QVariant RSTextBrowser::loadResource(int type, const QUrl &name)
+{
+	if (mShowImages || type != QTextDocument::ImageResource || name.scheme().compare("data", Qt::CaseInsensitive) != 0) {
+		return QTextBrowser::loadResource(type, name);
+	}
+
+	if (mImageBlockWidget) {
+		mImageBlockWidget->show();
+	}
+
+	return QPixmap(":/trolltech/styles/commonstyle/images/file-16.png");
+}
+
+void RSTextBrowser::setImageBlockWidget(RSImageBlockWidget *widget)
+{
+	if (mImageBlockWidget) {
+		// disconnect
+		disconnect(mImageBlockWidget, SIGNAL(destroyed()), this, SLOT(destroyImageBlockWidget()));
+		disconnect(mImageBlockWidget, SIGNAL(showImages()), this, SLOT(showImages()));
+	}
+
+	mImageBlockWidget = widget;
+
+	if (mImageBlockWidget) {
+		// connect
+		connect(mImageBlockWidget, SIGNAL(destroyed()), this, SLOT(destroyImageBlockWidget()));
+		connect(mImageBlockWidget, SIGNAL(showImages()), this, SLOT(showImages()));
+	}
+
+	resetImagesStatus(false);
+}
+
+void RSTextBrowser::destroyImageBlockWidget()
+{
+	mImageBlockWidget = NULL;
+}
+
+void RSTextBrowser::showImages()
+{
+	if (mImageBlockWidget && sender() == mImageBlockWidget) {
+		mImageBlockWidget->hide();
+	}
+
+	if (mShowImages) {
+		return;
+	}
+
+	mShowImages = true;
+
+	QString html = toHtml();
+	clear();
+	setHtml(html);
+}
+
+void RSTextBrowser::resetImagesStatus(bool load)
+{
+	if (mImageBlockWidget) {
+		mImageBlockWidget->hide();
+	}
+	mShowImages = load;
+}