From 41e1d937676e23b1cbec589ca9d55e3c0c4c48c2 Mon Sep 17 00:00:00 2001
From: "zander.m" <zander.m@capybaragames.com>
Date: Wed, 2 Nov 2016 13:56:37 -0400
Subject: [PATCH 1/4] strip whitespace

---
 server/wxLdb/ui/mainWindow.lua   | 46 +++++++++----------
 server/wxLdb/wxLdbController.lua | 78 ++++++++++++++++----------------
 2 files changed, 62 insertions(+), 62 deletions(-)

diff --git a/server/wxLdb/ui/mainWindow.lua b/server/wxLdb/ui/mainWindow.lua
index 98f9e50..45bc64d 100644
--- a/server/wxLdb/ui/mainWindow.lua
+++ b/server/wxLdb/ui/mainWindow.lua
@@ -57,15 +57,15 @@ end
 function meta.__index:init()
 	self.frame = wx.wxFrame( wx.NULL, wx.wxID_ANY, "GRLD server", wx.wxDefaultPosition, wx.wxDefaultSize, wx.wxDEFAULT_FRAME_STYLE + wx.wxMAXIMIZE)
 	mainthread.init( self.frame )
-	
+
 	self:initLayout_()
-	
+
 	self.mountPathPopup = ui.promptMountPath.new()
 	self.notificationPopup = ui.notification.new()
-	
+
 	self.idleUpdates = {}
 	self.frame:Connect( wx.wxEVT_IDLE, function( event ) self:onIdleUpdate_( event ) end )
-	
+
 	self.events = { onBreakPointChanged = {}, onFileOpen = {}, onFileClosed = {}, onApplicationExiting = {} }
 end
 
@@ -81,37 +81,37 @@ function meta.__index:initLayout_()
 	self.root = wx.wxSplitterWindow( self.frame, wx.wxID_ANY, wx.wxDefaultPosition, wx.wxDefaultSize, 0 ) -- root widget
 	self.sourceBook = wx.wxNotebook( self.root, wx.wxID_ANY ) -- book of source code pages
 	self.debugRoot = wx.wxSplitterWindow( self.root, wx.wxID_ANY, wx.wxDefaultPosition, wx.wxDefaultSize, 0 )
-	
+
 	-- threads window
 	self.threads = ui.threads.new( self.debugRoot, self.frame )
-	
+
 	self.debugBooks = wx.wxSplitterWindow( self.debugRoot, wx.wxID_ANY, wx.wxDefaultPosition, wx.wxDefaultSize, 0 )
 	self.debugBookL = wx.wxNotebook( self.debugBooks, wx.wxID_ANY, wx.wxDefaultPosition, wx.wxDefaultSize, wx.wxNB_BOTTOM )
 	self.debugBookR = wx.wxNotebook( self.debugBooks, wx.wxID_ANY, wx.wxDefaultPosition, wx.wxDefaultSize, wx.wxNB_BOTTOM )
-	
+
 	-- callstack window
 	self.callstack = ui.callstack.new( self.debugBookL )
 	self.debugBookL:AddPage( self.callstack:getRoot(), "Call stack" )
-	
+
 	-- automatic variables window
 	self.auto = ui.luaExplorer.new( self.debugBookR, false )
 	self.debugBookR:AddPage( self.auto:getRoot(), "Automatic variables" )
-	
+
 	-- watch window
 	self.watch = ui.luaExplorer.new( self.debugBookR, true )
 	self.debugBookR:AddPage( self.watch:getRoot(), "Watch" )
-	
+
 	self.root:SplitHorizontally( self.sourceBook, self.debugRoot, -200 )
 	self.debugRoot:SplitVertically( self.threads:getRoot(), self.debugBooks, 250 )
 	self.debugBooks:SplitVertically( self.debugBookL, self.debugBookR )
-	
+
 	self.sourcePages = {}
-	
+
 	local fileMenu = wx.wxMenu()
 	fileMenu:Append( ID_FILE_OPEN, "&Open\tCtrl-O", "Open a source file" )
 	fileMenu:Append( ID_FILE_CLOSE, "&Close\tCtrl-F4", "Close the current source file" )
 	fileMenu:Append( ID_EXIT, "E&xit\tAlt-F4", "Exit the GRLD server" )
-	
+
 	local debugMenu = wx.wxMenu()
 	debugMenu:Append( ID_BREAK, "&Break\tF12", "Stop execution of the program at the next executed line of code" )
 	debugMenu:Append( ID_CONTINUE, "&Continue\tF5", "Run the program at full speed" )
@@ -119,17 +119,17 @@ function meta.__index:initLayout_()
 	debugMenu:Append( ID_STEP_INTO, "Step &into\tF11", "Step into a line" )
     debugMenu:Append( ID_STEP_OUT, "Step &out\tShift-F11", "Step out of the current function" )
 	debugMenu:Append( ID_TOGGLE_BREAKPOINT, "&Toggle breakpoint\tF9", "Toggle the breakpoint on the current line" )
-	
+
 	local helpMenu = wx.wxMenu()
 	helpMenu:Append( ID_HELP_MANUAL, "&Manual", "Send the GRLD manual to your web browser" )
 	helpMenu:Append( ID_HELP_ABOUT, "&About", "Open a window with various information about GRLD" )
-	
+
 	local menuBar = wx.wxMenuBar()
 	menuBar:Append( fileMenu, "&File" )
 	menuBar:Append( debugMenu, "&Debug" )
 	menuBar:Append( helpMenu, "&Help" )
 	self.frame:SetMenuBar( menuBar )
-	
+
 	self.frame:Connect( ID_FILE_OPEN, wx.wxEVT_COMMAND_MENU_SELECTED, function( ... ) self:onFileOpen_( ... ) end )
 	self.frame:Connect( ID_FILE_CLOSE, wx.wxEVT_COMMAND_MENU_SELECTED, function( ... ) self:onFileClose_( ... ) end )
 	self.frame:Connect( ID_HELP_MANUAL, wx.wxEVT_COMMAND_MENU_SELECTED, function( ... ) self:onHelpManual_( ... ) end )
@@ -170,7 +170,7 @@ function meta.__index:onFileOpen_( event )
 		fullPath = fileDialog:GetPath()
 	end
 	fileDialog:Destroy()
-	
+
 	if fullPath ~= nil then
 		self:runEvents_( "onFileOpen", fullPath )
 	end
@@ -199,22 +199,22 @@ end
 
 function meta.__index:onHelpManual_()
 	local docPath = "../doc/index.html"
-	
+
 	-- get the command to start the default web browser from the registry (MS Windows only)
 	local pipe = io.popen( "reg query HKEY_CLASSES_ROOT\\HTTP\\shell\\open\\command" )
 	local data = pipe:read( "*a" )
 	pipe:close()
-	
+
 	-- example of returned data (Windows XP):
 	--! REG.EXE VERSION 3.0
 	--
 	--HKEY_CLASSES_ROOT\HTTP\shell\open\command
 	--	<SANS NOM>  REG_SZ  "E:\Outils\Firefox\firefox.exe" -requestPending -osint -url "%1"
-	
+
 	-- other example (on Vista)
 	--HKEY_CLASSES_ROOT\HTTP\shell\open\command
 	--    (par défaut)    REG_SZ    "C:\Program Files\Mozilla Firefox\firefox.exe" -requestPending -osint -url "%1"
-	
+
 	-- parse returned data
 	local _, _, cmd = string.find( data, "REG_SZ%s+(.+)" )
 	local result = -1
@@ -228,7 +228,7 @@ function meta.__index:onHelpManual_()
 			cmd = cmd.."\""..docPath.."\""
 		end
 		print( cmd )
-		
+
 		-- start the default browser with the GRLD documentation as parameter
 		result = os.execute( "start \"GRLD documentation\" "..cmd )
 	end
@@ -351,7 +351,7 @@ function meta.__index:onIdleUpdate_( event )
 			end
 		end
 	end
-	
+
 	self.active = false
 	for _, func in pairs( self.idleUpdates ) do
 		local ok, msg = xpcall( func, debug.traceback )
diff --git a/server/wxLdb/wxLdbController.lua b/server/wxLdb/wxLdbController.lua
index afd5cec..5ae2313 100644
--- a/server/wxLdb/wxLdbController.lua
+++ b/server/wxLdb/wxLdbController.lua
@@ -101,9 +101,9 @@ end
 
 function meta.__index:run_()
 	self:sleep_()
-	
+
 --@GRLD_PROTECTION@
-	
+
 	self.engine.init()
 	for _, listener in ipairs( self.toListen ) do
 		self.engine.listen( listener.ip, listener.port )
@@ -114,7 +114,7 @@ function meta.__index:run_()
 	for _, cbName in ipairs( { "onNewClient", "onClientBreak", "onClientLost" } ) do
 		self.engine.registerEvent( cbName, function( ... ) return self[cbName.."_"]( self, ... ) end )
 	end
-	
+
 	local wrapCb = function( cb )
 		return function( ... )
 			if self:ready_() then
@@ -122,30 +122,30 @@ function meta.__index:run_()
 			end
 		end
 	end
-	
+
 	self.window:registerEvent( ui.mainWindow.ID_BREAK, wrapCb( function() self:onDebugCommand_( "breaknow", "running" ) end ) )
 	self.window:registerEvent( ui.mainWindow.ID_CONTINUE, wrapCb( function() self:onDebugCommand_( "run", "break" ) end ) )
 	self.window:registerEvent( ui.mainWindow.ID_STEP_OVER, wrapCb( function() self:onDebugCommand_( "stepover", "break" ) end ) )
 	self.window:registerEvent( ui.mainWindow.ID_STEP_INTO, wrapCb( function() self:onDebugCommand_( "stepin", "break" ) end ) )
 	self.window:registerEvent( ui.mainWindow.ID_STEP_OUT, wrapCb( function() self:onDebugCommand_( "stepout", "break" ) end ) )
 	self.window:registerEvent( ui.mainWindow.ID_TOGGLE_BREAKPOINT, wrapCb( function() self:onToggleBreakpoint_() end ) )
-	
+
 	self.window:registerEvent( "onBreakPointChanged", wrapCb( function( ... ) self:onBreakPointChanged_( ... ) end ) )
 	self.window:registerEvent( "onFileOpen", wrapCb( function( ... ) self:onFileOpen_( ... ) end ) )
 	self.window:registerEvent( "onFileClosed", wrapCb( function( ... ) self:onFileClosed_( ... ) end ) )
-	
+
 	self.window:registerEvent( "onApplicationExiting", wrapCb( function( ... ) self:onApplicationExiting_( ... ) end ) )
-	
+
 	self.window.threads:registerEvent( "onThreadClicked", wrapCb( function( ... ) self:onThreadClicked_( ... ) end ) )
 	self.window.threads:registerEvent( "onBreakOnConnectionChanged", wrapCb( function( ... ) self:onBreakOnConnectionChanged_( ... ) end ) )
-	
+
 	self.window.callstack:registerEvent( "onCallstackClicked", wrapCb( function( ... ) self:onCallstackClicked_( ... ) end ) )
-	
+
 	self.window.watch.evaluateCallback = wrapCb( function( expr ) return self:evaluateExpression_( expr ) end )
-	
+
 	self.configs.global = { name = "global", breakpoints = {} }
 	self:loadConfig_( "global" )
-	
+
 	self:sleep_()
 	while not self.exiting do
 		for clientId, clientData in pairs( self.clients ) do
@@ -188,14 +188,14 @@ function meta.__index:run_()
 			end
 			end, function( msg ) print( "Error refreshing client "..clientId ) print( msg ) print( debug.traceback() ) end )
 		end
-		
+
 		if self.threadsDirty then
 			coxpcall( function()
 			self.threadsDirty = false
 			self:refreshThreads_()
 			end, function( msg ) print( "Error refreshing threads" ) print( msg ) print( debug.traceback() ) end )
 		end
-		
+
 		self:sleep_()
 	end
 end
@@ -243,16 +243,16 @@ function meta.__index:refreshSourcePageFocus_( remoteSource, line )
 				clientData.config.mappings[mount] = path
 				clientData.config.dirty = true
 				source = self:getLocalSource_( clientId, remoteSource )
-				assert( source ~= nil )	
+				assert( source ~= nil )
 			end
 		end
-		
+
 		if source ~= nil then
 			print( source )
 			source = grldc.utilities.normalizePath( source )
 			self:setSourceFocus_( "@"..source, line )
 		end
-		
+
 		--print( source )
 		return source
 	end
@@ -264,12 +264,12 @@ function meta.__index:refreshSourceFocus_( callstack, level )
 	if type( callstack ) == "table" and callstack[level] ~= nil then
 		local remoteSource = callstack[level].source
 		local line = callstack[level].line
-		
+
 		local source = self:refreshSourcePageFocus_( remoteSource, line )
-		
+
 		self:setPointers_( level, source, line )
 		self:refreshPointers_()
-		
+
 		self:refreshWatches_( level )
 	end
 end
@@ -333,10 +333,10 @@ function meta.__index:onBreakPointChanged_( source, line )
 	else
 		local clientData = self.clients[clientId]
 		if clientData == nil then return end
-		
+
 		config = clientData.config
 	end
-	
+
 	if config.breakpoints[source] == nil then
 		config.breakpoints[source] = {}
 	end
@@ -345,9 +345,9 @@ function meta.__index:onBreakPointChanged_( source, line )
 	if not newValue then
 		config.breakpoints[source][line] = nil
 	end
-	
+
 	print( "Setting breakpoint at "..source.."("..line..") to "..tostring(newValue) )
-	
+
 	assert( string.sub( source, 1, 1 ) == "@" )
 	source = string.sub( source, 2 )
 	for clientId, clientData in pairs( self.clients ) do
@@ -375,7 +375,7 @@ function meta.__index:onBreakPointChanged_( source, line )
 						assert( remoteSource ~= nil )
 					end
 				end
-				
+
 				if remoteSource ~= nil then
 					client:setbreakpoint( "@"..remoteSource, line, newValue )
 					clientData.config.dirty = true
@@ -406,14 +406,14 @@ function meta.__index:refreshBreakPoints_()
 		config = self.clients[clientId].config
 		client = self.engine.getClient( clientId )
 	end
-	
+
 	local remoteBreakPoints = {}
 	if client ~= nil then
 		remoteBreakPoints = client:breakpoints()
 	end
 	self.window:clearBreakPoints()
 	local goodBreakpoints = {}
-	
+
 	for remoteSource, lines in pairs( remoteBreakPoints ) do
 		if next( lines ) ~= nil then
 			local source = self:getLocalSource_( clientId, string.sub( remoteSource, 2 ) )
@@ -437,7 +437,7 @@ function meta.__index:refreshBreakPoints_()
 			end
 		end
 	end
-	
+
 	for source, lines in pairs( config.breakpoints ) do
 		local page = self.window:findSourcePage( source )
 		if page ~= nil then
@@ -492,9 +492,9 @@ function meta.__index:onDebugCommand_( command, neededState, targetClientId )
 		return
 	end
 	if neededState ~= nil and client:status() ~= neededState then return end
-	
+
 	self:invalidateState_( false )
-	
+
 	local clientData = assert( self.clients[targetClientId] )
 	local ok, msg = xpcall( function() client[command]( client ) end, debug.traceback )
 	if not ok then
@@ -514,7 +514,7 @@ function meta.__index:invalidateState_( immediate )
 		self.window:clearMarkers()
 		self.window.callstack:setData( nil )
 		self:refreshBreakPoints_()
-		
+
 		local client = self.engine.getClient( self.activeClient )
 		if client == nil then
 			self.window.auto:clear()
@@ -636,7 +636,7 @@ function meta.__index:refreshThreads_()
 			cdata.status = client:status()
 			cdata.active = (clientId == self.activeClient)
 			cdata.breakOnConnection = clientData.config.breakOnConnection
-			
+
 			if cdata.status == "break" then
 				local current = client:getcurrentthread()
 				local active = client:getactivethread()
@@ -644,7 +644,7 @@ function meta.__index:refreshThreads_()
 					active = current
 				end
 				table.insert( cdata.coroutines, { id = "main", current = (current == "main"), active = (active=="main" and cdata.clientId == self.activeClient and client:getactivethread() ~= "current") } )
-				
+
 				local coroutines = client:coroutines()
 				--print( coroutines )
 				for _, data in ipairs( coroutines ) do
@@ -655,7 +655,7 @@ function meta.__index:refreshThreads_()
 					table.insert( cdata.coroutines, codata )
 				end
 			end
-			
+
 			table.insert( data, cdata )
 		end
 	end
@@ -687,11 +687,11 @@ function meta.__index:onNewClient_( clientId )
 		self:loadConfig_( name )
 	end
 	self.clients[clientId] = { dirty = true, activeThread = "current", activeLevel = 1, config = self.configs[name] }
-	
+
 	for source, lines in pairs( self.configs[name].breakpoints ) do
 		assert( string.sub( source, 1, 1 ) == "@" )
 		source = string.sub( source, 2 )
-		local remoteSource, dir = self:getRemoteSource_( clientId, source )	
+		local remoteSource, dir = self:getRemoteSource_( clientId, source )
 		if remoteSource ~= nil then
 			for line, value in pairs( lines ) do
 				if value then
@@ -700,12 +700,12 @@ function meta.__index:onNewClient_( clientId )
 			end
 		end
 	end
-	
+
 	self.threadsDirty = true
 	if self.activeClient == nil then
 		self:setActiveClient_( clientId )
 	end
-	
+
 	if not self.configs[name].breakOnConnection then
 		self.clients[clientId].ignoreNextBreak = true
 	end
@@ -717,7 +717,7 @@ function meta.__index:onClientBreak_( clientId )
 	clientData.dirty = true
 	clientData.activeLevel = 1
 	self.threadsDirty = true
-	
+
 	if clientData.ignoreNextBreak then
 		clientData.ignoreNextBreak = false
 		self:onDebugCommand_( "run", "break", clientId )
@@ -741,7 +741,7 @@ function meta.__index:saveConfig_( name )
 		openFiles[page.pageIdx+1] = source
 	end
 	local breakpoints = clientConfig.breakpoints
-	
+
 	local path = "clients/"..name.."/config.lua"
 	lfs.mkdir( "clients" )
 	lfs.mkdir( "clients/"..name )

From 096ce24c676f23e498794d3e3aef186cd92af6ca Mon Sep 17 00:00:00 2001
From: "zander.m" <zander.m@capybaragames.com>
Date: Wed, 2 Nov 2016 13:57:56 -0400
Subject: [PATCH 2/4] bring debugger window into focus on source refresh
 (breakpoint)

---
 server/wxLdb/ui/mainWindow.lua   | 4 ++++
 server/wxLdb/wxLdbController.lua | 1 +
 2 files changed, 5 insertions(+)

diff --git a/server/wxLdb/ui/mainWindow.lua b/server/wxLdb/ui/mainWindow.lua
index 45bc64d..459b017 100644
--- a/server/wxLdb/ui/mainWindow.lua
+++ b/server/wxLdb/ui/mainWindow.lua
@@ -341,6 +341,10 @@ function meta.__index:setActive()
 	self.active = true
 end
 
+function meta.__index:raise()
+	self.frame:Raise()
+end
+
 function meta.__index:onIdleUpdate_( event )
 	local currentPageIdx = self.sourceBook:GetSelection()
 	for _, page in pairs( self.sourcePages ) do
diff --git a/server/wxLdb/wxLdbController.lua b/server/wxLdb/wxLdbController.lua
index 5ae2313..d2c40a1 100644
--- a/server/wxLdb/wxLdbController.lua
+++ b/server/wxLdb/wxLdbController.lua
@@ -224,6 +224,7 @@ function meta.__index:refreshSourcePageFocus_( remoteSource, line )
 	local clientData = assert( self.clients[clientId] )
 	local sourceType = string.sub( remoteSource, 1, 1 )
 	if sourceType == "@" then
+		self.window:raise()
 		print( "Setting focus to "..remoteSource.."("..line..")" )
 		remoteSource = grldc.utilities.normalizePath( string.sub( remoteSource, 2 ) )
 		local source, remotePath, remoteFile = self:getLocalSource_( clientId, remoteSource )

From 4b1ffb512542c33435c257dba38f44382e9e084a Mon Sep 17 00:00:00 2001
From: robin <robin.v@capybaragames.com>
Date: Mon, 21 Nov 2016 19:07:16 -0500
Subject: [PATCH 3/4] onScrollChanged event, get/set scroll position of
 sourcePage control

---
 server/wxLdb/ui/mainWindow.lua |  9 ++++++++-
 server/wxLdb/ui/sourcePage.lua | 18 +++++++++++++++++-
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/server/wxLdb/ui/mainWindow.lua b/server/wxLdb/ui/mainWindow.lua
index 459b017..5d9d176 100644
--- a/server/wxLdb/ui/mainWindow.lua
+++ b/server/wxLdb/ui/mainWindow.lua
@@ -66,7 +66,13 @@ function meta.__index:init()
 	self.idleUpdates = {}
 	self.frame:Connect( wx.wxEVT_IDLE, function( event ) self:onIdleUpdate_( event ) end )
 
-	self.events = { onBreakPointChanged = {}, onFileOpen = {}, onFileClosed = {}, onApplicationExiting = {} }
+	self.events = { 
+		onBreakPointChanged = {}, 
+		onFileOpen = {}, 
+		onFileClosed = {}, 
+		onApplicationExiting = {},
+		onScrollChanged = {}
+	}
 end
 
 function meta.__index:show( show )
@@ -272,6 +278,7 @@ function meta.__index:getSourcePage( source )
 		page.pageIdx = self.sourceBook:GetPageCount()
 		self.sourceBook:AddPage( page:getRoot(), name )
 		page:registerEvent( "onBreakPointChanged", function( ... ) self:runEvents_( "onBreakPointChanged", source, ... ) end )
+		page:registerEvent( "onScrollChanged", function( ... ) self:runEvents_( "onScrollChanged", source, ... ) end )
 	end
 	return page
 end
diff --git a/server/wxLdb/ui/sourcePage.lua b/server/wxLdb/ui/sourcePage.lua
index 42a9bfe..d426676 100644
--- a/server/wxLdb/ui/sourcePage.lua
+++ b/server/wxLdb/ui/sourcePage.lua
@@ -5,6 +5,8 @@ local ui =
 	editor = require( "ui.editor" ),
 }
 
+local wx = require( "wx" )
+
 local lfs = require( "lfs" )
 
 local assert = assert
@@ -23,7 +25,10 @@ function new( parent, source )
 	local page = {}
 	setmetatable( page, meta )
 	page.editor = ui.editor.new( parent )
-	page.events = { onBreakPointChanged = {} }
+	page.events = { 
+		onBreakPointChanged = {},
+		onScrollChanged = {},
+	}
 	page:setSource_( source )
 	page.editor.breakpointCallback = function( line )
 		page:runEvents_( "onBreakPointChanged", line )
@@ -53,6 +58,9 @@ function meta.__index:update()
 		assert( string.sub( self.source, 1, 1 ) == "@" )
 		local fileName = string.sub( self.source, 2 )
 		
+		local scrollPosition = self:GetScrollPos()
+		self:runEvents_( "onScrollChanged", scrollPosition )
+
 		local newDate = lfs.attributes( fileName, "modification" ) or 0
 		if newDate > self.sourceDate then
 			print( "reloading source file "..fileName )
@@ -78,6 +86,14 @@ function meta.__index:getFocus()
 	return ed:GetCurrentLine() + 1
 end
 
+function meta.__index:SetScrollPos( pos )
+	self.editor.editor:LineScroll(0, pos)
+end
+
+function meta.__index:GetScrollPos()
+	return self.editor.editor:GetScrollPos( wx.wxVERTICAL )
+end
+
 function meta.__index:setCurrentLine( line )
 	local editor = self.editor.editor
 	if self.currentLine == line then return end

From c616e297e6c11ef9bfd7882edfc2301a9cffb76f Mon Sep 17 00:00:00 2001
From: robin <robin.v@capybaragames.com>
Date: Mon, 21 Nov 2016 19:08:29 -0500
Subject: [PATCH 4/4] save/load/update scroll position config

---
 server/wxLdb/wxLdbController.lua | 65 ++++++++++++++++++++++++++++++--
 1 file changed, 62 insertions(+), 3 deletions(-)

diff --git a/server/wxLdb/wxLdbController.lua b/server/wxLdb/wxLdbController.lua
index d2c40a1..514d68a 100644
--- a/server/wxLdb/wxLdbController.lua
+++ b/server/wxLdb/wxLdbController.lua
@@ -11,6 +11,8 @@ local ui =
 }
 local lfs = require( "lfs" )
 
+local wx = require( "wx" )
+
 require( "coxpcall" )
 local coxpcall = coxpcall
 local copcall = copcall
@@ -37,6 +39,15 @@ local meta = { __index = {} }
 
 local complexValueManagerMeta = { __index = {} }
 
+local function createClientConfig(name)
+	return {
+		name = name,
+		mappings = {},
+		breakpoints = {},
+		scrollPositions = {},
+	}
+end
+
 function new( engine, window )
 	local res =
 	{
@@ -133,6 +144,7 @@ function meta.__index:run_()
 	self.window:registerEvent( "onBreakPointChanged", wrapCb( function( ... ) self:onBreakPointChanged_( ... ) end ) )
 	self.window:registerEvent( "onFileOpen", wrapCb( function( ... ) self:onFileOpen_( ... ) end ) )
 	self.window:registerEvent( "onFileClosed", wrapCb( function( ... ) self:onFileClosed_( ... ) end ) )
+	self.window:registerEvent( "onScrollChanged", wrapCb(function( ... ) self:onScrollChanged_( ...) end ) )
 
 	self.window:registerEvent( "onApplicationExiting", wrapCb( function( ... ) self:onApplicationExiting_( ... ) end ) )
 
@@ -143,7 +155,7 @@ function meta.__index:run_()
 
 	self.window.watch.evaluateCallback = wrapCb( function( expr ) return self:evaluateExpression_( expr ) end )
 
-	self.configs.global = { name = "global", breakpoints = {} }
+	self.configs.global = createClientConfig('global')
 	self:loadConfig_( "global" )
 
 	self:sleep_()
@@ -200,6 +212,22 @@ function meta.__index:run_()
 	end
 end
 
+function meta.__index:getActiveClientConfig_()
+	local activeClientId = self.activeClient
+
+	if activeClientId == nil then
+		return self.configs.global
+	end
+
+	local clientData = self.clients[activeClientId]
+
+	if clientData == nil then
+		return self.configs.global
+	end
+
+	return clientData.config
+end
+
 function meta.__index:evaluateExpression_( expr )
 	local clientId = self.activeClient
 	local client = self.engine.getClient( clientId )
@@ -397,6 +425,17 @@ function meta.__index:onApplicationExiting_()
 	self.window.threads:setData( nil )
 end
 
+function meta.__index:refreshScrollPosition_()
+	local config = self:getActiveClientConfig_()
+
+	for source, sp in pairs( config.scrollPositions ) do
+		local page = self.window:getSourcePage( source )
+		if page ~= nil then
+			page:SetScrollPos(sp)
+		end
+	end	
+end
+
 function meta.__index:refreshBreakPoints_()
 	local clientId = self.activeClient
 	local config = nil
@@ -460,6 +499,7 @@ function meta.__index:onFileOpen_( path )
 	self:setSourceFocus_( source, 1 )
 	self:refreshPointers_()
 	self:refreshBreakPoints_()
+	self:refreshScrollPosition_()
 end
 
 function meta.__index:onFileClosed_( source )
@@ -468,6 +508,12 @@ function meta.__index:onFileClosed_( source )
 	end
 end
 
+function meta.__index:onScrollChanged_( source, position )
+	local clientConfig = self:getActiveClientConfig_()
+	clientConfig.scrollPositions[source] = position
+	clientConfig.dirty = true
+end
+
 function meta.__index:onThreadClicked_( clientId, threadId )
 	print( "Thread clicked: client="..clientId..", thread="..threadId )
 	local clientData = self.clients[clientId]
@@ -684,7 +730,7 @@ function meta.__index:onNewClient_( clientId )
 	local client = self.engine.getClient( clientId )
 	local name = client:name()
 	if self.configs[name] == nil then
-		self.configs[name] = { name = name, mappings = {}, breakpoints = {} }
+		self.configs[name] = createClientConfig(name)
 		self:loadConfig_( name )
 	end
 	self.clients[clientId] = { dirty = true, activeThread = "current", activeLevel = 1, config = self.configs[name] }
@@ -742,12 +788,19 @@ function meta.__index:saveConfig_( name )
 		openFiles[page.pageIdx+1] = source
 	end
 	local breakpoints = clientConfig.breakpoints
+	local scrollPositions = clientConfig.scrollPositions
 
 	local path = "clients/"..name.."/config.lua"
 	lfs.mkdir( "clients" )
 	lfs.mkdir( "clients/"..name )
 	local file = assert( io.open( path, "w" ) )
-	file:write( grldc.net.serialize( { mappings = clientConfig.mappings, openFiles = openFiles, breakpoints = breakpoints, breakOnConnection = clientConfig.breakOnConnection } ) )
+	file:write( grldc.net.serialize( { 
+		mappings = clientConfig.mappings, 
+		openFiles = openFiles, 
+		breakpoints = breakpoints,
+		scrollPositions = scrollPositions,
+		breakOnConnection = clientConfig.breakOnConnection
+	} ) )
 	file:close()
 	print( "Saved config \""..name.."\"" )
 	clientConfig.lastConfigSave = os.time()
@@ -775,6 +828,12 @@ function meta.__index:loadConfig_( name )
 				end
 			end
 		end
+
+		if config.scrollPositions ~= nil then
+			for source, sp in pairs( config.scrollPositions ) do
+				clientConfig.scrollPositions[source] = sp
+			end
+		end
 	end
 	if clientConfig.breakOnConnection == nil then
 		clientConfig.breakOnConnection = true