Added a basic savestate system.

Reduced default KeyPress duration to 30ms.
Updated README.md

CitraTouchControl/App.config

@@ -53,7 +53,7 @@
                 <value>False</value>
             </setting>
             <setting name="KeyPressDuration" serializeAs="String">
-                <value>50</value>
+                <value>30</value>
             </setting>
             <setting name="IsTapOnly" serializeAs="String">
                 <value>False</value>

CitraTouchControl/CitraTouchControl.csproj

@@ -39,6 +39,9 @@
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Data" />
+    <Reference Include="System.IO.Compression" />
+    <Reference Include="System.IO.Compression.FileSystem" />
+    <Reference Include="System.Management" />
     <Reference Include="System.Xml" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Core" />

CitraTouchControl/GlobalVars.cs

@@ -18,7 +18,7 @@ class GlobalVars
 
         internal static bool IsTouchEnabled = false;
         internal static bool AreControlsHidden = false;
-        internal static int KeyPressDuration = 50;
+        internal static int KeyPressDuration = 30;
         internal static bool IsTapOnly = false;
     }
 }

CitraTouchControl/MainWindow.xaml

@@ -5,10 +5,7 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:CitraTouchControl"
         mc:Ignorable="d"
-        Title="CitraTouchControl" SnapsToDevicePixels="True" Topmost="True" Height="1080" Width="860" AllowsTransparency="True" Background="#01FFFFFF" WindowStyle="None" WindowStartupLocation="CenterScreen" Loaded="Window_Loaded">
-    <!--<Window.Background>
-        <SolidColorBrush Color="White" Opacity="0.2"/>
-    </Window.Background>-->
+        Title="CitraTouchControl" SnapsToDevicePixels="True" Topmost="True" Height="1080" Width="860" AllowsTransparency="True" Background="#01FFFFFF" WindowStyle="None" WindowStartupLocation="CenterScreen" Loaded="Window_Loaded" Closing="Window_Closing">
     <Grid>
         <Grid.RowDefinitions>
             <RowDefinition Height="25*"/>

CitraTouchControl/MainWindow.xaml.cs

@@ -1,5 +1,9 @@
 using System;
+using System.IO;
+using System.Linq;
 using System.Windows;
+using System.Threading;
+using System.Management;
 using System.Diagnostics;
 using System.Windows.Media;
 using System.Windows.Input;
@@ -11,13 +15,25 @@ namespace CitraTouchControl
 {
     public partial class MainWindow : Window
     {
+        internal Mutex mutex;
         internal bool isMenuWindow = false;
+        internal string userPath;
         private static IntPtr citraHwnd = IntPtr.Zero;
         private static IntPtr citraMainControlHwnd = IntPtr.Zero;
         private List<IntPtr> pressedControls = new List<IntPtr>();
 
         public MainWindow()
         {
+            // check if we are the only instance of CitraTouchControl
+            bool isNew = false;
+            mutex = new Mutex(true, "CitraTouchControl", out isNew);
+            if (!isNew)
+            {
+                MessageBox.Show(this, "ERROR: There is already an instance of CitraTouchControl running.", "CitraTouchControl");
+                Environment.Exit(0);
+            }
+            GC.KeepAlive(mutex);
+
             InitializeComponent();
         }
 
@@ -32,6 +48,7 @@ private void Window_Loaded(object sender, RoutedEventArgs e)
             }
             // get citra process handle
             citraHwnd = processes[0].MainWindowHandle;
+
             // check if citra is minimized
             if (IsIconic(citraHwnd))
             {
@@ -47,6 +64,18 @@ private void Window_Loaded(object sender, RoutedEventArgs e)
                 Environment.Exit(0);
             }
 
+            // get Citra savegame folder
+            userPath = Path.Combine(Path.GetDirectoryName(GetProcessPath(processes[0])), "user\\sdmc");
+            if (!Directory.Exists(userPath))
+            {
+                userPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "Citra\\sdmc");
+                if (!Directory.Exists(userPath))
+                {
+                    MessageBox.Show(this, "WARNING: Savegame folder could not be located!\nSavestate functionality will not work.", "CitraTouchControl");
+                    userPath = null;
+                }
+            }
+
             ResizeOverlay();
 
             // load user settings into fast accessable global vars
@@ -76,6 +105,11 @@ private void Window_Loaded(object sender, RoutedEventArgs e)
             GlobalVars.KeyPressDuration = Properties.Settings.Default.KeyPressDuration;
         }
 
+        private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
+        {
+            mutex.ReleaseMutex();
+        }
+
         /// <summary>
         /// OnTouchDown handler.
         /// </summary>
@@ -308,6 +342,27 @@ internal void ToggleControls(bool hide)
             gMainGrid.Visibility = hide ? Visibility.Collapsed : Visibility.Visible;
         }
 
+        /// <summary>
+        /// Retrieves the full path to the executable of a process.
+        /// </summary>
+        /// <param name="process">The process.</param>
+        /// <returns></returns>
+        internal static string GetProcessPath(Process process)
+        {
+            string MethodResult = "";
+            string Query = "SELECT ExecutablePath FROM Win32_Process WHERE ProcessId = " + process.Id;
+
+            using (ManagementObjectSearcher mos = new ManagementObjectSearcher(Query))
+            {
+                using (ManagementObjectCollection moc = mos.Get())
+                {
+                    string ExecutablePath = (from mo in moc.Cast<ManagementObject>() select mo["ExecutablePath"]).First().ToString();
+                    MethodResult = ExecutablePath;
+                }
+            }
+            return MethodResult;
+        }
+
         #region IMPORTS
 
         private const uint WM_KEYDOWN = 0x0100;

CitraTouchControl/MenuWindow.xaml

@@ -5,7 +5,7 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:CitraTouchControl"
         mc:Ignorable="d"
-        Title="CitraTouchControl - Menu" Height="450" Width="400" Topmost="True" WindowStartupLocation="CenterOwner" WindowStyle="ToolWindow" Background="LightGray" Loaded="Window_Loaded" Closing="Window_Closing">
+        Title="CitraTouchControl - Menu" Height="500" Width="400" Topmost="True" WindowStartupLocation="CenterOwner" WindowStyle="ToolWindow" Background="LightGray" Loaded="Window_Loaded" Closing="Window_Closing">
     <Grid>
         <Grid.ColumnDefinitions>
             <ColumnDefinition Width="1*"/>
@@ -21,16 +21,20 @@
             <RowDefinition Height="1*"/>
             <RowDefinition Height="1*"/>
             <RowDefinition Height="1*"/>
+            <RowDefinition Height="1*"/>
+            <RowDefinition Height="1*"/>
         </Grid.RowDefinitions>
-        <Button x:Name="bResize" Grid.Row="0" Grid.Column="0" Content="Readjust Overlay" FontSize="24" FontWeight="Bold" Margin="10,4,10,4" BorderThickness="1" Focusable="False" Click="bResize_Click" Grid.ColumnSpan="3"/>
-        <Button x:Name="bTouch" Grid.Row="1" Grid.Column="0" Content="Enable Touch" FontSize="24" FontWeight="Bold" Margin="10,4,10,4" BorderThickness="1" Focusable="False" Click="bTouch_Click" Grid.ColumnSpan="3"/>
-        <Button x:Name="bControls" Grid.Row="2" Grid.Column="0" Content="Hide Controls" FontSize="24" FontWeight="Bold" Margin="10,4,10,4" BorderThickness="1" Focusable="False" Click="bControls_Click" Grid.ColumnSpan="3"/>
-        <Button x:Name="bTap" Grid.Row="3" Grid.Column="0" Content="Touch: Tap only" FontSize="24" FontWeight="Bold" Margin="10,4,10,4" BorderThickness="1" Focusable="False" Grid.ColumnSpan="3" Click="bTap_Click"/>
-        <Button x:Name="bDPlus" Grid.Row="4" Grid.Column="0" Content="+" FontSize="24" FontWeight="Bold" Margin="10,4,5,4" BorderThickness="1" Focusable="False" Click="bDPlus_Click"/>
-        <Button x:Name="bDuration" Grid.Row="4" Grid.Column="1" Content="KeyPress: 50ms" FontSize="24" FontWeight="Bold" Margin="5,4,5,4" BorderThickness="1" Focusable="False" />
-        <Button x:Name="bDMinus" Grid.Row="4" Grid.Column="2" Content="-" FontSize="24" FontWeight="Bold" Margin="5,4,10,4" BorderThickness="1" Focusable="False" Click="bDMinus_Click" />
-        <Button x:Name="bKeys" Grid.Row="5" Grid.Column="0" Content="Configure Keys" FontSize="24" FontWeight="Bold" Margin="10,4,10,4" BorderThickness="1" Focusable="False" Click="bKeys_Click" Grid.ColumnSpan="3"/>
-        <Button x:Name="bExit" Grid.Row="6" Grid.Column="0" Content="Exit CitraTouchControl" FontSize="24" FontWeight="Bold" Foreground="DarkRed" Margin="10,4,10,4" BorderThickness="1" Focusable="False" Click="bExit_Click" Grid.ColumnSpan="3"/>
-        <Button x:Name="bClose" Grid.Row="7" Grid.Column="0" Content="Close Window" FontSize="24" FontWeight="Bold" Margin="10,4,10,4" BorderThickness="1" Focusable="False" Click="bClose_Click" Grid.ColumnSpan="3"/>
+        <Button x:Name="bSave" Grid.Row="0" Grid.Column="0" Content="Save Savegames" FontSize="24" FontWeight="Bold" Margin="10,4,10,4" BorderThickness="1" Focusable="False" Grid.ColumnSpan="3" Click="bSave_Click"/>
+        <Button x:Name="bLoad" Grid.Row="1" Grid.Column="0" Content="Load Savegames" FontSize="24" FontWeight="Bold" Margin="10,4,10,4" BorderThickness="1" Focusable="False" Grid.ColumnSpan="3" Click="bLoad_Click"/>
+        <Button x:Name="bResize" Grid.Row="2" Grid.Column="0" Content="Readjust Overlay" FontSize="24" FontWeight="Bold" Margin="10,4,10,4" BorderThickness="1" Focusable="False" Click="bResize_Click" Grid.ColumnSpan="3"/>
+        <Button x:Name="bTouch" Grid.Row="3" Grid.Column="0" Content="Enable Touch" FontSize="24" FontWeight="Bold" Margin="10,4,10,4" BorderThickness="1" Focusable="False" Click="bTouch_Click" Grid.ColumnSpan="3"/>
+        <Button x:Name="bControls" Grid.Row="4" Grid.Column="0" Content="Hide Controls" FontSize="24" FontWeight="Bold" Margin="10,4,10,4" BorderThickness="1" Focusable="False" Click="bControls_Click" Grid.ColumnSpan="3"/>
+        <Button x:Name="bTap" Grid.Row="5" Grid.Column="0" Content="Touch: Tap only" FontSize="24" FontWeight="Bold" Margin="10,4,10,4" BorderThickness="1" Focusable="False" Grid.ColumnSpan="3" Click="bTap_Click"/>
+        <Button x:Name="bDPlus" Grid.Row="6" Grid.Column="0" Content="+" FontSize="24" FontWeight="Bold" Margin="10,4,5,4" BorderThickness="1" Focusable="False" Click="bDPlus_Click"/>
+        <Button x:Name="bDuration" Grid.Row="6" Grid.Column="1" Content="KeyPress: 30ms" FontSize="24" FontWeight="Bold" Margin="5,4,5,4" BorderThickness="1" Focusable="False" />
+        <Button x:Name="bDMinus" Grid.Row="6" Grid.Column="2" Content="-" FontSize="24" FontWeight="Bold" Margin="5,4,10,4" BorderThickness="1" Focusable="False" Click="bDMinus_Click" />
+        <Button x:Name="bKeys" Grid.Row="7" Grid.Column="0" Content="Configure Keys" FontSize="24" FontWeight="Bold" Margin="10,4,10,4" BorderThickness="1" Focusable="False" Click="bKeys_Click" Grid.ColumnSpan="3"/>
+        <Button x:Name="bExit" Grid.Row="8" Grid.Column="0" Content="Exit CitraTouchControl" FontSize="24" FontWeight="Bold" Foreground="DarkRed" Margin="10,4,10,4" BorderThickness="1" Focusable="False" Click="bExit_Click" Grid.ColumnSpan="3"/>
+        <Button x:Name="bClose" Grid.Row="9" Grid.Column="0" Content="Close Window" FontSize="24" FontWeight="Bold" Margin="10,4,10,4" BorderThickness="1" Focusable="False" Click="bClose_Click" Grid.ColumnSpan="3"/>
     </Grid>
 </Window>

CitraTouchControl/MenuWindow.xaml.cs

@@ -1,11 +1,14 @@
 using System;
+using System.IO;
 using System.Windows;
+using System.IO.Compression;
 
 namespace CitraTouchControl
 {
     public partial class MenuWindow : Window
     {
         internal MainWindow mainWindow;
+        internal string savePath;
 
         public MenuWindow(MainWindow mW)
         {
@@ -25,6 +28,15 @@ private void Window_Loaded(object sender, RoutedEventArgs e)
             if (GlobalVars.IsTapOnly)
                 bTap.Content = "Touch: Tap & Hold";
             bDuration.Content = "KeyPress: " + GlobalVars.KeyPressDuration + "ms";
+            if (mainWindow.userPath == null)
+            {
+                bSave.IsEnabled = false;
+                bLoad.IsEnabled = false;
+            }
+            else
+            {
+                savePath = Path.Combine(Path.GetDirectoryName(mainWindow.userPath), "save01.zip");
+            }
         }
 
         /// <summary>
@@ -37,6 +49,60 @@ private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs
             Properties.Settings.Default.Save();
         }
 
+        /// <summary>
+        /// Saves the current savestate.
+        /// </summary>
+        private void bSave_Click(object sender, RoutedEventArgs e)
+        {
+            if (File.Exists(savePath))
+            {
+                var result = MessageBox.Show(this, "WARNING: Do you really wish to overwrite the last savegames?",
+                    "CitraTouchControl", MessageBoxButton.YesNo);
+                if (result == MessageBoxResult.No)
+                    return;
+                File.Delete(savePath);
+            }
+            try
+            {
+                ZipFile.CreateFromDirectory(mainWindow.userPath, savePath, CompressionLevel.Fastest, false);
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(this, "EXCEPTION: Error while trying to save savegames.\n" + ex.Message, "CitraTouchControl", MessageBoxButton.OK);
+            }
+        }
+
+        /// <summary>
+        /// Loads the current savestate.
+        /// </summary>
+        private void bLoad_Click(object sender, RoutedEventArgs e)
+        {
+            if (!File.Exists(savePath))
+                return;
+            var result = MessageBox.Show(this, "WARNING: Do you really wish to overwrite the current savegames?",
+                "CitraTouchControl", MessageBoxButton.YesNo);
+            if (result == MessageBoxResult.No)
+                return;
+            try
+            {
+                // delete all currently existing files which will be extracted from zip as ZipFile.ExtractToDirectory() can not overwrite any files...
+                using (ZipArchive zipArchive = ZipFile.OpenRead(savePath))
+                {
+                    foreach (ZipArchiveEntry entry in zipArchive.Entries)
+                    {
+                        var path = Path.Combine(mainWindow.userPath, entry.FullName);
+                        if (File.Exists(path))
+                            File.Delete(path);
+                    }
+                }
+                ZipFile.ExtractToDirectory(savePath, mainWindow.userPath);
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(this, "EXCEPTION: Error while trying to load savegames.\n" + ex.Message, "CitraTouchControl", MessageBoxButton.OK);
+            }
+        }
+
         /// <summary>
         /// Resizes the overlay to match citra again.
         /// </summary>

CitraTouchControl/Properties/AssemblyInfo.cs

@@ -12,7 +12,7 @@
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("")]
 [assembly: AssemblyProduct("CitraRemoteTouch")]
-[assembly: AssemblyCopyright("Copyright © Uberhalit 2017")]
+[assembly: AssemblyCopyright("Copyright © uberhalit 2017")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
@@ -51,5 +51,5 @@
 // Sie können alle Werte angeben oder die standardmäßigen Build- und Revisionsnummern 
 // übernehmen, indem Sie "*" eingeben:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.1.0")]
-[assembly: AssemblyFileVersion("1.0.1.0")]
+[assembly: AssemblyVersion("1.1.0.0")]
+[assembly: AssemblyFileVersion("1.1.0.0")]

CitraTouchControl/Properties/Settings.settings

@@ -45,7 +45,7 @@
       <Value Profile="(Default)">False</Value>
     </Setting>
     <Setting Name="KeyPressDuration" Type="System.Int32" Scope="User">
-      <Value Profile="(Default)">50</Value>
+      <Value Profile="(Default)">30</Value>
     </Setting>
     <Setting Name="IsTapOnly" Type="System.Boolean" Scope="User">
       <Value Profile="(Default)">False</Value>