1. made ScrollLines/Pages return bool indicating if we scrolled till the

end or not
2. implemented them for wxGTK text ctrl


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11215 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/window.tex

@@ -1807,12 +1807,21 @@ implements the following methods:\par
 
 \membersection{wxWindow::ScrollLines}\label{wxwindowscrolllines}
 
-\func{virtual void}{ScrollLines}{\param{int }{lines}}
+\func{virtual bool}{ScrollLines}{\param{int }{lines}}
 
 Scrolls the window by the given number of lines down (if {\it lines} is
 positive) or up.
 
-This function is currently only implemented under MSW.
+\wxheading{Return value}
+
+Returns {\tt TRUE} if the window was scrolled, {\tt FALSE} if it was already
+on top/bottom and nothing was done.
+
+\wxheading{Remarks}
+
+This function is currently only implemented under MSW and wxTextCtrl under
+wxGTK (it also works for wxScrolledWindow derived classes under all
+platforms).
 
 \wxheading{See also}
 
@@ -1820,12 +1829,21 @@ This function is currently only implemented under MSW.
 
 \membersection{wxWindow::ScrollPages}\label{wxwindowscrollpages}
 
-\func{virtual void}{ScrollPages}{\param{int }{pages}}
+\func{virtual bool}{ScrollPages}{\param{int }{pages}}
 
 Scrolls the window by the given number of pages down (if {\it pages} is
 positive) or up.
 
-This function is currently only implemented under MSW.
+\wxheading{Return value}
+
+Returns {\tt TRUE} if the window was scrolled, {\tt FALSE} if it was already
+on top/bottom and nothing was done.
+
+\wxheading{Remarks}
+
+This function is currently only implemented under MSW and wxTextCtrl under
+wxGTK (it also works for wxScrolledWindow derived classes under all
+platforms).
 
 \wxheading{See also}