merge from PE's viewer-trunk

4 files changed, 51 insertions, 4 deletions

diff --git a/indra/llui/lllineeditor.cpp b/indra/llui/lllineeditor.cpp
index 843f72d8e4..45f9de8e8d 100644
--- a/indra/llui/lllineeditor.cpp
+++ b/indra/llui/lllineeditor.cpp
@@ -1440,7 +1440,7 @@ BOOL LLLineEditor::handleUnicodeCharHere(llwchar uni_char)
 
 BOOL LLLineEditor::canDoDelete() const
 {
-	return ( !mReadOnly && (!mPassDelete || (hasSelection() || (getCursor() < mText.length()))) );
+	return ( !mReadOnly && mText.length() > 0 && (!mPassDelete || (hasSelection() || (getCursor() < mText.length()))) );
 }
 
 void LLLineEditor::doDelete()
diff --git a/indra/llui/llurlentry.cpp b/indra/llui/llurlentry.cpp
index 736de651da..3375c13c94 100644
--- a/indra/llui/llurlentry.cpp
+++ b/indra/llui/llurlentry.cpp
@@ -765,3 +765,35 @@ std::string LLUrlEntryNoLink::getLabel(const std::string &url, const LLUrlLabelC
 {
 	return getUrl(url);
 }
+
+//
+// LLUrlEntryIcon describes an icon with <icon>...</icon> tags
+//
+LLUrlEntryIcon::LLUrlEntryIcon()
+{
+	mPattern = boost::regex("<icon\\s*>\\s*([^<]*)?\\s*</icon\\s*>",
+							boost::regex::perl|boost::regex::icase);
+	mDisabledLink = true;
+}
+
+std::string LLUrlEntryIcon::getUrl(const std::string &url) const
+{
+	return LLStringUtil::null;
+}
+
+std::string LLUrlEntryIcon::getLabel(const std::string &url, const LLUrlLabelCallback &cb)
+{
+	return LLStringUtil::null;
+}
+
+std::string LLUrlEntryIcon::getIcon(const std::string &url)
+{
+	// Grep icon info between <icon>...</icon> tags
+	// matches[1] contains the icon name/path
+	boost::match_results<std::string::const_iterator> matches;
+	mIcon = (boost::regex_match(url, matches, mPattern) && matches[1].matched)
+		? matches[1]
+		: LLStringUtil::null;
+	LLStringUtil::trim(mIcon);
+	return mIcon;
+}
diff --git a/indra/llui/llurlentry.h b/indra/llui/llurlentry.h
index 29575d752c..71f030677a 100644
--- a/indra/llui/llurlentry.h
+++ b/indra/llui/llurlentry.h
@@ -77,7 +77,7 @@ public:
 	virtual std::string getLabel(const std::string &url, const LLUrlLabelCallback &cb) { return url; }
 
 	/// Return an icon that can be displayed next to Urls of this type
-	std::string getIcon() const { return mIcon; }
+	virtual std::string getIcon(const std::string &url) { return mIcon; }
 
 	/// Return the color to render the displayed text
 	LLUIColor getColor() const { return mColor; }
@@ -296,4 +296,17 @@ public:
 	/*virtual*/ std::string getUrl(const std::string &string) const;
 };
 
+///
+/// LLUrlEntryIcon describes an icon with <icon>...</icon> tags
+///
+class LLUrlEntryIcon : public LLUrlEntryBase
+{
+public:
+	LLUrlEntryIcon();
+	/*virtual*/ std::string getUrl(const std::string &string) const;
+	/*virtual*/ std::string getLabel(const std::string &url, const LLUrlLabelCallback &cb);
+	/*virtual*/ std::string getIcon(const std::string &url);
+};
+
+
 #endif
diff --git a/indra/llui/llurlregistry.cpp b/indra/llui/llurlregistry.cpp
index 0a70aa586a..4341286eb4 100644
--- a/indra/llui/llurlregistry.cpp
+++ b/indra/llui/llurlregistry.cpp
@@ -45,6 +45,7 @@ LLUrlRegistry::LLUrlRegistry()
 {
 	// Urls are matched in the order that they were registered
 	registerUrl(new LLUrlEntryNoLink());
+	registerUrl(new LLUrlEntryIcon());
 	registerUrl(new LLUrlEntrySLURL());
 	registerUrl(new LLUrlEntryHTTP());
 	registerUrl(new LLUrlEntryHTTPLabel());
@@ -135,7 +136,8 @@ static bool stringHasUrl(const std::string &text)
 			text.find(".net") != std::string::npos ||
 			text.find(".edu") != std::string::npos ||
 			text.find(".org") != std::string::npos ||
-			text.find("<nolink>") != std::string::npos);
+			text.find("<nolink>") != std::string::npos ||
+			text.find("<icon") != std::string::npos);
 }
 
 bool LLUrlRegistry::findUrl(const std::string &text, LLUrlMatch &match, const LLUrlLabelCallback &cb)
@@ -177,7 +179,7 @@ bool LLUrlRegistry::findUrl(const std::string &text, LLUrlMatch &match, const LL
 						match_entry->getUrl(url),
 						match_entry->getLabel(url, cb),
 						match_entry->getTooltip(url),
-						match_entry->getIcon(),
+						match_entry->getIcon(url),
 						match_entry->getColor(),
 						match_entry->getMenuName(),
 						match_entry->getLocation(url),