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Code Issues Releases Wiki Activity

Register application capability with file extensions

Browse Source 
https://learn.microsoft.com/en-us/windows/win32/shell/default-programs#registering-an-application-for-use-with-default-programs
This commit is contained in:
Susko3 2025-01-06 23:41:44 +00:00
parent 804fe0013d
commit 56eec929ca
1 changed files with 56 additions and 0 deletions
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56
osu.Desktop/Windows/WindowsAssociationManager.cs
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@ -17,6 +17,7 @@ namespace osu.Desktop.Windows
public static class WindowsAssociationManager
{
private const string software_classes = @"Software\Classes";
private const string software_registered_applications = @"Software\RegisteredApplications";
/// <summary>
/// Sub key for setting the icon.
@ -38,6 +39,8 @@ namespace osu.Desktop.Windows
/// </summary>
private const string program_id_prefix = "osu.File";
private static readonly ApplicationCapability application_capability = new ApplicationCapability(@"osu", @"Software\ppy\osu\Capabilities", "osu!(lazer)");
private static readonly FileAssociation[] file_associations =
{
new FileAssociation(@".osz", WindowsAssociationManagerStrings.OsuBeatmap, Icons.Beatmap),
@ -112,6 +115,8 @@ namespace osu.Desktop.Windows
{
try
{
application_capability.Uninstall();
foreach (var association in file_associations)
association.Uninstall();
@ -133,15 +138,21 @@ namespace osu.Desktop.Windows
/// </summary>
private static void updateAssociations()
{
application_capability.Install();
foreach (var association in file_associations)
association.Install();
foreach (var association in uri_associations)
association.Install();
application_capability.RegisterFileAssociations(file_associations);
}
private static void updateDescriptions(LocalisationManager? localisation)
{
application_capability.UpdateDescription(getLocalisedString(application_capability.Description));
foreach (var association in file_associations)
association.UpdateDescription(getLocalisedString(association.Description));
@ -174,6 +185,51 @@ namespace osu.Desktop.Windows
#endregion
private record ApplicationCapability(string UniqueName, string CapabilityPath, LocalisableString Description)
{
/// <summary>
/// Registers an application capability according to <see href="https://learn.microsoft.com/en-us/windows/win32/shell/default-programs#registering-an-application-for-use-with-default-programs">
/// Registering an Application for Use with Default Programs</see>.
/// </summary>
public void Install()
{
using (Registry.CurrentUser.CreateSubKey(CapabilityPath))
{
// create an empty "capability" key, other methods will fill it with information
}
using (var registeredApplications = Registry.CurrentUser.OpenSubKey(software_registered_applications, true))
registeredApplications?.SetValue(UniqueName, CapabilityPath);
}
public void RegisterFileAssociations(FileAssociation[] associations)
{
using var capability = Registry.CurrentUser.OpenSubKey(CapabilityPath, true);
if (capability == null) return;
using var fileAssociations = capability.CreateSubKey(@"FileAssociations");
foreach (var association in associations)
fileAssociations.SetValue(association.Extension, association.ProgramId);
}
public void UpdateDescription(string description)
{
using (var capability = Registry.CurrentUser.OpenSubKey(CapabilityPath, true))
{
capability?.SetValue(@"ApplicationDescription", description);
}
}
public void Uninstall()
{
using (var registeredApplications = Registry.CurrentUser.OpenSubKey(software_registered_applications, true))
registeredApplications?.DeleteValue(UniqueName, throwOnMissingValue: false);
Registry.CurrentUser.DeleteSubKeyTree(CapabilityPath, throwOnMissingSubKey: false);
}
}
private record FileAssociation(string Extension, LocalisableString Description, string IconPath)
{
public string ProgramId => $@"{program_id_prefix}{Extension}";