gentoo-overlay/app-office/texmaker/files/texmaker-4.5-modern-styles.patch

--- a/texmaker.cpp	2014-11-26 09:06:56.000000000 -0300
+++ b/texmaker.cpp	2015-06-19 20:49:58.801377000 -0300
@@ -4451,7 +4451,12 @@
 #if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
 if (modern_style)
     {
-qApp->setStyle(new ManhattanStyle(QLatin1String("fusion")));
+		if(desktop_env == 1){
+			if (styles.contains("GTK+")) qApp->setStyle(new ManhattanStyle(QLatin1String("gtkstyle")));
+			else if (styles.contains("Windows")) qApp->setStyle(new ManhattanStyle(QLatin1String("windows")));
+			else qApp->setStyle(new ManhattanStyle(QLatin1String("fusion")));
+		}
+		else qApp->setStyle(new ManhattanStyle(QLatin1String("fusion")));
     }
 // else
 // {