From 16b85dbe798a11c980bcaa6ae6f667a31499d962 Mon Sep 17 00:00:00 2001
From: Mark Vejvoda <mark_vejvoda@hotmail.com>
Date: Wed, 7 Nov 2012 21:24:44 +0000
Subject: [PATCH] - added another patch from cygal (he's on fire people!) to
 word wrap messagebox text - remove newlines from english text where
 appropriate

---
 source/glest_game/graphics/renderer.cpp     | 13 +++++++++--
 source/shared_lib/include/graphics/font.h   |  3 +++
 source/shared_lib/sources/graphics/font.cpp | 25 +++++++++++++++++++++
 3 files changed, 39 insertions(+), 2 deletions(-)

diff --git a/source/glest_game/graphics/renderer.cpp b/source/glest_game/graphics/renderer.cpp
index 121dff01..02cff239 100644
--- a/source/glest_game/graphics/renderer.cpp
+++ b/source/glest_game/graphics/renderer.cpp
@@ -3529,6 +3529,15 @@ void Renderer::renderMessageBox(GraphicMessageBox *messageBox) {
 			messageBox->setFont(CoreData::getInstance().getMenuFontNormal());
 			messageBox->setFont3D(CoreData::getInstance().getMenuFontNormal3D());
 		}
+
+		string wrappedText = messageBox->getText();
+		if(renderText3DEnabled == false) {
+			wrappedText = messageBox->getFont()->getMetrics()->wordWrapText(wrappedText,messageBox->getW() * 0.90);
+		}
+		else {
+			wrappedText = messageBox->getFont3D()->getMetrics()->wordWrapText(wrappedText,messageBox->getW() * 0.90);
+		}
+
 		//background
 		glPushAttrib(GL_ENABLE_BIT | GL_CURRENT_BIT);
 		glEnable(GL_BLEND);
@@ -3598,7 +3607,7 @@ void Renderer::renderMessageBox(GraphicMessageBox *messageBox) {
 		if(renderText3DEnabled == true) {
 			//text
 			renderTextShadow3D(
-				messageBox->getText(), messageBox->getFont3D(), fontColor,
+					wrappedText, messageBox->getFont3D(), fontColor,
 				messageBox->getX()+15, messageBox->getY()+7*messageBox->getH()/10,
 				false );
 
@@ -3611,7 +3620,7 @@ void Renderer::renderMessageBox(GraphicMessageBox *messageBox) {
 		else {
 			//text
 			renderTextShadow(
-				messageBox->getText(), messageBox->getFont(), fontColor,
+					wrappedText, messageBox->getFont(), fontColor,
 				messageBox->getX()+15, messageBox->getY()+7*messageBox->getH()/10,
 				false );
 
diff --git a/source/shared_lib/include/graphics/font.h b/source/shared_lib/include/graphics/font.h
index d458430e..3ee7874a 100644
--- a/source/shared_lib/include/graphics/font.h
+++ b/source/shared_lib/include/graphics/font.h
@@ -52,6 +52,9 @@ public:
 
 	float getTextWidth(const string &str);
 	float getHeight(const string &str) const;
+
+	string wordWrapText(string text, int maxWidth);
+
 };
 
 // =====================================================
diff --git a/source/shared_lib/sources/graphics/font.cpp b/source/shared_lib/sources/graphics/font.cpp
index 7dc513ae..711ba670 100644
--- a/source/shared_lib/sources/graphics/font.cpp
+++ b/source/shared_lib/sources/graphics/font.cpp
@@ -176,6 +176,31 @@ float FontMetrics::getHeight(const string &str) const {
 	}
 }
 
+string FontMetrics::wordWrapText(string text, int maxWidth) {
+	// Strip newlines from source
+    //replaceAll(text, "\n", " ");
+
+	// Get all words (space separated text)
+	vector<string> words;
+	Tokenize(text,words," ");
+
+	string wrappedText = "";
+    float lineWidth = 0.0f;
+
+    for(unsigned int i = 0; i < words.size(); ++i) {
+    	string word = words[i];
+        float wordWidth = this->getTextWidth(word);
+        if (lineWidth + wordWidth > maxWidth) {
+            wrappedText += "\n";
+            lineWidth = 0;
+        }
+        lineWidth += wordWidth;
+        wrappedText += word + " ";
+    }
+
+    return wrappedText;
+}
+
 // ===============================================
 //	class Font
 // ===============================================