From bb5886f5351a148b5443adaee0a64ca6e81ee0b9 Mon Sep 17 00:00:00 2001
From: Eric Scrivner <zenogais@gmail.com>
Date: Sun, 13 Mar 2005 21:57:24 +0000
Subject: Added line wrapping on a per-word basis

---
 src/gui/chat.cpp | 40 ++++++++++++++++++++++++++++++++++------
 src/gui/chat.h   | 10 ++++++++++
 2 files changed, 44 insertions(+), 6 deletions(-)

diff --git a/src/gui/chat.cpp b/src/gui/chat.cpp
index 95f29dbd..253fb3f4 100644
--- a/src/gui/chat.cpp
+++ b/src/gui/chat.cpp
@@ -96,10 +96,9 @@ void ChatWindow::chat_log(std::string line, int own)
         if (line.length() > maxLength)
         {   
 
+            tempText = line;
             if (line.length() > maxLength)
-                tempText = line.substr(0, maxLength);
-            else
-                tempText = line;
+                line = cut_string(tempText, maxLength);
 
             tmp.text = tempText;
 
@@ -107,9 +106,6 @@ void ChatWindow::chat_log(std::string line, int own)
             //chatlog_file.flush();
 
             chatlog.push_front(tmp);
-
-            if (line.length() > maxLength)
-                line = line.substr(maxLength, line.length() - maxLength);
         }
         else // Normal message
         {  
@@ -312,3 +308,35 @@ std::string ChatWindow::const_msg(CHATSKILL action)
 
     return msg;
 }
+
+std::string ChatWindow::cut_string(std::string& value, unsigned int maximumLength)
+{
+    // If the string exceeds the maximum length
+    if(value.length() > maximumLength)
+    {
+        unsigned int index = 0;
+        unsigned int lastSpace = 0;
+        std::string  cutOff = "";
+
+        for(index = 0; index < maximumLength; index++) {
+            if(value.at(index) == ' ') {
+                lastSpace = index;
+            }
+        }
+
+        // If the last space is at the beginning of the string
+        if(lastSpace == 0) {
+            // Just cut it right off from the end
+            cutOff = value.substr(maximumLength);
+            value  = value.substr(0, maximumLength);
+        } else {
+            // Cut it off from the last space forward
+            cutOff = value.substr(lastSpace + 1);
+            value  = value.substr(0, lastSpace);
+        }
+
+        return cutOff;
+    }
+
+    return std::string("");
+}
\ No newline at end of file
diff --git a/src/gui/chat.h b/src/gui/chat.h
index 3102e3bc..db2d9843 100644
--- a/src/gui/chat.h
+++ b/src/gui/chat.h
@@ -181,6 +181,16 @@ class ChatWindow : public Window, public gcn::ActionListener {
         /** Constructs failed messages for actions */
         std::string const_msg(CHATSKILL);
 
+        /**
+         * Cuts a string into two on a per word basis
+         * @param value The string to be cut, it may be modified
+         * in the function.
+         * @param maximumLength The length after which the string
+         * should be cut.
+         * @return The cut off section of the string
+         */
+        std::string cut_string(std::string& value, unsigned int maximumLength);
+
         /** Input box for chat messages */
         gcn::TextField *chatInput;
 };
-- 
cgit v1.2.3-70-g09d2