MAINT-6891 Chat longer than "fade after n lines" doesn't show except in chat history

1 files changed, 26 insertions, 0 deletions

diff --git a/indra/newview/llchatitemscontainerctrl.cpp b/indra/newview/llchatitemscontainerctrl.cpp
index cfc62c07b6..f5721fb348 100644
--- a/indra/newview/llchatitemscontainerctrl.cpp
+++ b/indra/newview/llchatitemscontainerctrl.cpp
@@ -240,6 +240,32 @@ void LLFloaterIMNearbyChatToastPanel::init(LLSD& notification)
 		}
 	}
 
+	S32 chars_in_line = mMsgText->getRect().getWidth() / messageFont->getWidth("c");
+	S32 max_lines = notification["available_height"].asInteger() / (mMsgText->getTextPixelHeight() + 4);
+	S32 new_line_chars = std::count(messageText.begin(), messageText.end(), '\n');
+	S32 lines_count = (messageText.size() - new_line_chars) / chars_in_line + new_line_chars + 1;
+
+	//Remove excessive chars if message is not fit in available height. MAINT-6891
+	if(lines_count > max_lines)
+	{
+		while(lines_count > max_lines)
+		{
+			std::size_t nl_pos = messageText.rfind('\n');
+			if (nl_pos != std::string::npos)
+			{
+				nl_pos = nl_pos > messageText.length() - chars_in_line? nl_pos : messageText.length() - chars_in_line;
+				messageText.erase(messageText.begin() + nl_pos, messageText.end());
+			}
+			else
+			{
+				messageText.erase(messageText.end() - chars_in_line, messageText.end());
+			}
+			new_line_chars = std::count(messageText.begin(), messageText.end(), '\n');
+			lines_count = (messageText.size() - new_line_chars) / chars_in_line + new_line_chars;
+		}
+		messageText += " ...";
+	}
+
 	//append text
 	{
 		LLStyle::Params style_params;