fix

Shell Scripts/powershell/wallpaper.ps1

@@ -1,28 +1,88 @@
-Add-Type -TypeDefinition @'
-using System.Runtime.InteropServices;
-public class wpchange {
-    public const uint SPI_SETDESKWALLPAPER = 0x0014;
-    public const uint SPIF_UPDATEINIFILE = 0x01;
-    public const uint SPIF_SENDWININICHANGE = 0x02;
-    [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
-    private static extern int SystemParametersInfo (uint uAction, uint uParam, string lpvParam, uint fuWinIni);
-    public static void SetWallpaper (string path) {
-        SystemParametersInfo(SPI_SETDESKWALLPAPER, 0, path, SPIF_UPDATEINIFILE | SPIF_SENDWININICHANGE);
-    }
+Function Update-Wallpaper {
+    Param(
+        [Parameter(Mandatory=$true)]
+        $Path,
+
+        [ValidateSet('Center','Stretch','Fill','Tile','Fit')]
+        $Style
+    )
+    Try {
+        if (-not ([System.Management.Automation.PSTypeName]'Wallpaper.Setter').Type) {
+            Add-Type -TypeDefinition @"
+            using System;
+            using System.Runtime.InteropServices;
+            using Microsoft.Win32;
+            namespace Wallpaper {
+                public enum Style : int {
+                    Center, Stretch, Fill, Fit, Tile
+                }
+                public class Setter {
+                    public const int SetDesktopWallpaper = 20;
+                    public const int UpdateIniFile = 0x01;
+                    public const int SendWinIniChange = 0x02;
+                    [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
+                    private static extern int SystemParametersInfo (int uAction, int uParam, string lpvParam, int fuWinIni);
+                    public static void SetWallpaper ( string path, Wallpaper.Style style ) {
+                        SystemParametersInfo( SetDesktopWallpaper, 0, path, UpdateIniFile | SendWinIniChange );
+                        RegistryKey key = Registry.CurrentUser.OpenSubKey("Control Panel\\Desktop", true);
+                        switch( style ) {
+                            case Style.Tile :
+                                key.SetValue(@"WallpaperStyle", "0") ;
+                                key.SetValue(@"TileWallpaper", "1") ;
+                                break;
+                            case Style.Center :
+                                key.SetValue(@"WallpaperStyle", "0") ;
+                                key.SetValue(@"TileWallpaper", "0") ;
+                                break;
+                            case Style.Stretch :
+                                key.SetValue(@"WallpaperStyle", "2") ;
+                                key.SetValue(@"TileWallpaper", "0") ;
+                                break;
+                            case Style.Fill :
+                                key.SetValue(@"WallpaperStyle", "10") ;
+                                key.SetValue(@"TileWallpaper", "0") ;
+                                break;
+                            case Style.Fit :
+                                key.SetValue(@"WallpaperStyle", "6") ;
+                                key.SetValue(@"TileWallpaper", "0") ;
+                                break;
+                        }
+                        key.Close();
+                    }
+                }
+            }
+"@ -ErrorAction Stop
+            }
+        }
+        Catch {
+            Write-Warning -Message "Wallpaper not changed because $($_.Exception.Message)"
+        }
+    [Wallpaper.Setter]::SetWallpaper( $Path, $Style )
 }
-'@
+
+
+
+
+
+
 
 # Gets a random number between 1 and 6
 $fn = Get-Random -Minimum 1 -Maximum 6
+
 # Downloads a random cat pic from the Assets folder
 Invoke-WebRequest -Uri https://raw.githubusercontent.com/msr8/attiny85/main/Assets/cat$fn.jpg -OutFile $env:TEMP\15791817.jpg
-# Changes it
-[wpchange]::SetWallpaper("$env:TEMP\15791817.jpg")
+
+# For some reason you have to do it two times or else it acts weirdly
+Update-Wallpaper -Path $env:TEMP\15791817.jpg -Style Stretch
+Update-Wallpaper -Path $env:TEMP\15791817.jpg -Style Stretch
+
 # Deletes it
-rm $env:TEMP\15791817.jpg
+Remove-Item $env:TEMP\15791817.jpg
 
 # Hides the desktop icons, https://superuser.com/questions/1368139/disable-show-desktop-icons-in-windows-with-powershell
 $Path="HKCU:\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced"
 Set-ItemProperty -Path $Path -Name "HideIcons" -Value 1
 Get-Process "explorer"| Stop-Process
 
+
+