Save and restore the main window position.

src/JsonConfig.cs

@@ -9,12 +9,14 @@ using log4net ;
 
 public class JsonConfig
 {
+    private string mFilename ;
     private dynamic mData ;
 
     public JsonConfig( string caption, string fname )
     {
         // initialize
         ILog logger = LogManager.GetLogger( "startup" ) ;
+        mFilename = fname ;
 
         // load the JSON config
         string data ;
@@ -38,6 +40,7 @@ public class JsonConfig
         }
         return (string) curr ;
     }
+    public void setStringVal( string[] keys, string val, bool save=true ) { setVal( keys, val, save ) ; }
 
     public int getIntVal( string[] keys, int defaultVal=0 )
     {
@@ -49,6 +52,7 @@ public class JsonConfig
             return defaultVal ;
         }
     }
+    public void setIntVal( string[] keys, int val, bool save=true ) { setVal( keys, val, save ) ; }
 
     public float getFloatVal( string[] keys, float defaultVal=0 )
     {
@@ -61,5 +65,21 @@ public class JsonConfig
         }
     }
 
+    private void setVal( string[] keys, dynamic val, bool save )
+    {
+        // set the specified value
+        JToken curr = mData ;
+        for ( int i=0 ; i < keys.Length-1 ; ++i ) {
+            if ( curr[ keys[i] ] == null )
+                curr[ keys[i] ] = (JToken) JsonConvert.DeserializeObject( "{}" ) ;
+            curr = curr[ keys[i] ] ;
+        }
+        curr[ keys[keys.Length-1] ] = val ;
+
+        // save the updated config
+        if ( save )
+            File.WriteAllText( mFilename, data.ToString() ) ;
+    }
+
     public dynamic data { get { return mData ; } }
 }

src/MainForm.ui.cs

@@ -70,6 +70,7 @@ public partial class MainForm : Form
 
         // initialize handlers
         this.Load += new EventHandler( this.MainForm_Load ) ;
+        this.FormClosing += new FormClosingEventHandler( this.MainForm_FormClosing ) ;
         this.Resize += new EventHandler( this.MainForm_Resize ) ;
         this.mSearchQuery.TextChanged += new EventHandler( this.SearchQuery_TextChanged ) ;
         this.mSearchQuery.KeyDown += new KeyEventHandler( this.SearchQuery_KeyDown ) ;
@@ -109,6 +110,22 @@ public partial class MainForm : Form
 
     private void MainForm_Load( object sender, EventArgs e )
     {
+        // restore the window state
+        string windowStateStr = Program.appConfig.getStringVal( new string[]{"MainWindow","WindowState"} ) ;
+        if ( windowStateStr != "" ) {
+            FormWindowState windowState ;
+            if ( Enum.TryParse( windowStateStr, out windowState ) ) {
+                DesktopBounds = new Rectangle(
+                    Program.appConfig.getIntVal( new string[]{"MainWindow","X"}, 50 ),
+                    Program.appConfig.getIntVal( new string[]{"MainWindow","Y"}, 50 ),
+                    Program.appConfig.getIntVal( new string[]{"MainWindow","Width"}, MinimumSize.Width ),
+                    Program.appConfig.getIntVal( new string[]{"MainWindow","Height"}, MinimumSize.Height )
+                ) ;
+                if ( windowState == FormWindowState.Maximized )
+                    WindowState = windowState ;
+            }
+        }
+
         // initialize
         doMainFormResize( null ) ;
 
@@ -117,6 +134,18 @@ public partial class MainForm : Form
         loadSearchResults( mChartImages.Values ) ;
     }
 
+    private void MainForm_FormClosing( object sender, FormClosingEventArgs e )
+    {
+        // save the window state
+        // NOTE: RestoreBounds doesn't work properly under Mono :-/
+        Rectangle rc = (WindowState == FormWindowState.Maximized) ? RestoreBounds : DesktopBounds ;
+        Program.appConfig.setIntVal( new string[]{"MainWindow","X"}, rc.X, false ) ;
+        Program.appConfig.setIntVal( new string[]{"MainWindow","Y"}, rc.Y, false ) ;
+        Program.appConfig.setIntVal( new string[]{"MainWindow","Width"}, rc.Width, false ) ;
+        Program.appConfig.setIntVal( new string[]{"MainWindow","Height"}, rc.Height, false ) ;
+        Program.appConfig.setStringVal( new string[]{"MainWindow","WindowState"}, WindowState.ToString() ) ;
+    }
+
     private void MainForm_Resize( object sender, EventArgs e ) { doMainFormResize( null ) ; }
 
     private void doMainFormResize( Point? clientMousePos )

src/Program.cs

@@ -53,7 +53,7 @@ public static class Program
             if ( ! File.Exists( fname ) ) {
                 fname = Path.Combine( mDataDir, fname0 ) ;
                 if ( ! File.Exists( fname ) )
-                    fname = Path.Combine( mBaseDir, "../"+fname0 ) ;
+                    fname = Path.Combine( Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), fname0 ) ;
             }
             mAppConfig = new JsonConfig( "app config", fname ) ;