From 6d158e886ca230c8a3cea8197229129a8b0660da Mon Sep 17 00:00:00 2001
From: James Turner <zakalawe@mac.com>
Date: Sat, 4 May 2013 10:58:22 +0100
Subject: [PATCH] Abstraction for the user's desktop location.

---
 src/GUI/gui_funcs.cxx |  3 ++-
 src/Main/fg_init.cxx  | 52 +++++++++++++++++++++++++++++++++++++++++++
 src/Main/fg_init.hxx  |  4 +++-
 3 files changed, 57 insertions(+), 2 deletions(-)

diff --git a/src/GUI/gui_funcs.cxx b/src/GUI/gui_funcs.cxx
index a68ce578a..1f78d4504 100644
--- a/src/GUI/gui_funcs.cxx
+++ b/src/GUI/gui_funcs.cxx
@@ -52,6 +52,7 @@
 #include <Cockpit/panel.hxx>
 #include <Main/globals.hxx>
 #include <Main/fg_props.hxx>
+#include <Main/fg_init.hxx> // for platformDesktopPath
 #include <Main/fg_os.hxx>
 #include <Viewer/renderer.hxx>
 #include <Viewer/viewmgr.hxx>
@@ -480,7 +481,7 @@ namespace
 
             string dir = fgGetString("/sim/paths/screenshot-dir");
             if (dir.empty())
-                dir = fgGetString("/sim/fg-current");
+              dir = platformDesktopPath().str();
 
             _path.set(dir + '/');
             if (_path.create_dir( 0755 )) {
diff --git a/src/Main/fg_init.cxx b/src/Main/fg_init.cxx
index 486fbdd40..ec76fe987 100644
--- a/src/Main/fg_init.cxx
+++ b/src/Main/fg_init.cxx
@@ -366,6 +366,34 @@ static SGPath platformDefaultDataPath()
   config.append( "flightgear.org" );
   return config;
 }
+
+SGPath platformDesktopPath()
+{  
+    /*
+  typedef BOOL (WINAPI*GetSpecialFolderPath)(HWND, LPWSTR, int, BOOL);
+  static GetSpecialFolderPath SHGetSpecialFolderPath = NULL;
+
+  // lazy open+resolve of shell32
+  if (!SHGetSpecialFolderPath) {
+    HINSTANCE shellDll = ::LoadLibrary("shell32");
+    SHGetSpecialFolderPath = (GetSpecialFolderPath) GetProcAddress(shellDll, "SHGetSpecialFolderPathA");
+  }
+  
+  if (!SHGetSpecialFolderPath)
+    return SGPath();
+  
+  char path[PATH_MAX];
+  if (SHGetSpecialFolderPath(0, path, CSIDL_DESKTOPDIRECTORY, false)) {
+    return SGPath(path);
+  }
+  
+  // failed, bad
+  return SGPath();
+    */
+    
+    return SGPath(fgGetString("/sim/fg-current"));
+}
+
 #elif __APPLE__
 
 #include <CoreServices/CoreServices.h>
@@ -388,6 +416,23 @@ static SGPath platformDefaultDataPath()
   appData.append("FlightGear");
   return appData;
 }
+
+SGPath platformDesktopPath()
+{
+  FSRef ref;
+  OSErr err = FSFindFolder(kUserDomain, kDesktopFolderType, false, &ref);
+  if (err) {
+    return SGPath();
+  }
+  
+  unsigned char path[1024];
+  if (FSRefMakePath(&ref, path, 1024) != noErr) {
+    return SGPath();
+  }
+  
+  return SGPath((const char*) path);
+}
+
 #else
 static SGPath platformDefaultDataPath()
 {
@@ -395,6 +440,13 @@ static SGPath platformDefaultDataPath()
   config.append( ".fgfs" );
   return config;
 }
+
+SGPath platformDesktopPath()
+{
+  SGPath config( getenv("HOME") );
+  config.append( "Desktop" );
+  return config;
+}
 #endif
 
 void fgInitHome()
diff --git a/src/Main/fg_init.hxx b/src/Main/fg_init.hxx
index b6f7ce2b1..6341f4352 100644
--- a/src/Main/fg_init.hxx
+++ b/src/Main/fg_init.hxx
@@ -26,10 +26,10 @@
 #define _FG_INIT_HXX
 
 #include <string>
+#include <simgear/misc/sg_path.hxx>
 
 // forward decls
 class SGPropertyNode;
-class SGPath;
 
 // Return the current base package version
 std::string fgBasePackageVersion();
@@ -46,6 +46,8 @@ void fgOutputSettings();
 // Initialize the localization
 SGPropertyNode *fgInitLocale(const char *language);
 
+/// retrieve the user's desktop directory path
+SGPath platformDesktopPath();
 
 // Init navaids and waypoints
 bool fgInitNav ();
-- 
2.39.5