From 24b23e238383f4f274e51dc95116fb5127606f8a Mon Sep 17 00:00:00 2001
From: jean-pierre charras <jp.charras@wanadoo.fr>
Date: Tue, 15 Jan 2013 10:31:11 +0100
Subject: [PATCH] Pcbnew: store in configuration the default line width (now 
 in mm), under a new keyword, to avoid a strange behavior of pcbnew in
 decimils version (old pcbnew versions), after running pcbnew in nanometers.

---
 pcbnew/pcbframe.cpp | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/pcbnew/pcbframe.cpp b/pcbnew/pcbframe.cpp
index dae82a9ad2..3edab082b4 100644
--- a/pcbnew/pcbframe.cpp
+++ b/pcbnew/pcbframe.cpp
@@ -53,13 +53,14 @@
 #include <module_editor_frame.h>
 #include <dialog_SVG_print.h>
 #include <dialog_helpers.h>
+#include <convert_from_iu.h>
 
 #ifdef KICAD_SCRIPTING
 #include <python_scripting.h>
 #endif
 
 // Keys used in read/write config
-#define OPTKEY_DEFAULT_LINEWIDTH_VALUE  wxT( "PlotLineWidth" )
+#define OPTKEY_DEFAULT_LINEWIDTH_VALUE  wxT( "PlotLineWidth_mm" )
 #define PCB_SHOW_FULL_RATSNET_OPT   wxT( "PcbFulRatsnest" )
 #define PCB_MAGNETIC_PADS_OPT   wxT( "PcbMagPadOpt" )
 #define PCB_MAGNETIC_TRACKS_OPT wxT( "PcbMagTrackOpt" )
@@ -582,8 +583,14 @@ void PCB_EDIT_FRAME::LoadSettings()
 
     PCB_BASE_FRAME::LoadSettings();
 
+    double dtmp;
+    config->Read( OPTKEY_DEFAULT_LINEWIDTH_VALUE, &dtmp, 0.1 ); // stored in mm
+    if( dtmp < 0.01 )
+        dtmp = 0.01;
+    if( dtmp > 5.0 )
+        dtmp = 5.0;
+    g_DrawDefaultLineThickness = Millimeter2iu( dtmp );
     long tmp;
-    config->Read( OPTKEY_DEFAULT_LINEWIDTH_VALUE, &g_DrawDefaultLineThickness );
     config->Read( PCB_SHOW_FULL_RATSNET_OPT, &tmp );
     GetBoard()->SetElementVisibility(RATSNEST_VISIBLE, tmp);
     config->Read( PCB_MAGNETIC_PADS_OPT, &g_MagneticPadOption );
@@ -610,7 +617,9 @@ void PCB_EDIT_FRAME::SaveSettings()
 
     PCB_BASE_FRAME::SaveSettings();
 
-    config->Write( OPTKEY_DEFAULT_LINEWIDTH_VALUE, g_DrawDefaultLineThickness );
+    // This value is stored in mm )
+    config->Write( OPTKEY_DEFAULT_LINEWIDTH_VALUE,
+                   MM_PER_IU * g_DrawDefaultLineThickness );
     long tmp = GetBoard()->IsElementVisible(RATSNEST_VISIBLE);
     config->Write( PCB_SHOW_FULL_RATSNET_OPT, tmp );
     config->Write( PCB_MAGNETIC_PADS_OPT, (long) g_MagneticPadOption );