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Fix issue that key modifiers are parsed wrong

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(registering the hotkey might have failed)
Simplified hot key pressed events
Remove obsolete class KeyPressedEventArgs
This commit is contained in:
Peter Kirmeier 2023-05-22 23:57:54 +02:00
parent f8c9913933
commit f55af05bc3
5 changed files with 51 additions and 132 deletions
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10
Business/KeyboardInput.cs
View file

@ -30,18 +30,18 @@ namespace SystemTrayMenu.Handler
hook.Dispose();
}
internal bool RegisterHotKey(string hotKey)
internal bool RegisterHotKey(string hotKeyString)
{
if (!string.IsNullOrEmpty(hotKey))
if (!string.IsNullOrEmpty(hotKeyString))
{
try
{
hook.RegisterHotKey();
hook.KeyPressed += (sender, e) => HotKeyPressed?.Invoke();
hook.RegisterHotKey(hotKeyString);
hook.KeyPressed += (_, _) => HotKeyPressed?.Invoke();
}
catch (InvalidOperationException ex)
{
Log.Warn($"Hotkey cannot be set: '{hotKey}'", ex);
Log.Warn($"Hotkey cannot be set: '{hotKeyString}'", ex);
return false;
}
}

27
Helpers/KeyPressedEventArgs.cs
View file

@ -1,27 +0,0 @@
// <copyright file="KeyPressedEventArgs.cs" company="PlaceholderCompany">
// Copyright (c) PlaceholderCompany. All rights reserved.
// </copyright>
namespace SystemTrayMenu.Helpers
{
using System;
using System.Windows.Input;
/// <summary>
/// Event Args for the event that is fired after the hot key has been pressed.
/// </summary>
internal class KeyPressedEventArgs : EventArgs
{
private readonly Key key;
internal KeyPressedEventArgs(KeyboardHookModifierKeys modifier, Key key)
{
Modifier = modifier;
this.key = key;
}
internal KeyboardHookModifierKeys Modifier { get; }
internal Key Key => key;
}
}

79
Helpers/KeyboardHook.cs
View file

@ -11,19 +11,6 @@ namespace SystemTrayMenu.Helpers
using SystemTrayMenu.Utilities;
using static SystemTrayMenu.Utilities.FormsExtensions;
/// <summary>
/// The enumeration of possible modifiers.
/// </summary>
[Flags]
public enum KeyboardHookModifierKeys : uint
{
None = 0,
Alt = 1,
Control = 2,
Shift = 4,
Win = 8,
}
public sealed class KeyboardHook : IDisposable
{
private readonly Window window = new();
@ -32,66 +19,34 @@ namespace SystemTrayMenu.Helpers
public KeyboardHook()
{
// register the event of the inner native window.
window.KeyPressed += Window_KeyPressed;
window.KeyPressed += (key, modifiers) => KeyPressed?.Invoke(key, modifiers);
}
/// <summary>
/// A hot key has been pressed.
/// </summary>
internal event EventHandler<KeyPressedEventArgs>? KeyPressed;
internal event Action<Key, ModifierKeys>? KeyPressed;
public void Dispose()
{
// unregister all the registered hot keys.
for (int i = currentId; i > 0; i--)
{
DllImports.NativeMethods.User32UnregisterHotKey(window.Handle, i);
NativeMethods.User32UnregisterHotKey(window.Handle, i);
}
// dispose the inner native window.
window.KeyPressed -= Window_KeyPressed;
window.Dispose();
}
internal void RegisterHotKey()
internal void RegisterHotKey(string hotKeyString)
{
KeyboardHookModifierKeys modifiers = KeyboardHookModifierKeys.None;
string modifiersString = Properties.Settings.Default.HotKey;
if (!string.IsNullOrEmpty(modifiersString))
{
if (modifiersString.ToUpperInvariant().Contains("ALT", StringComparison.InvariantCulture))
{
modifiers |= KeyboardHookModifierKeys.Alt;
}
// TODO: Replace old code of v1 with HotKeyControl methods like here
// as there is a bug in the body of this function (missing "+" when checking for modifiers)
ModifierKeys modifiers = HotkeyControl.HotkeyModifiersFromString(hotKeyString);
Key hotkey = HotkeyControl.HotkeyFromString(hotKeyString);
if (modifiersString.ToUpperInvariant().Contains("CTRL", StringComparison.InvariantCulture) ||
modifiersString.ToUpperInvariant().Contains("STRG", StringComparison.InvariantCulture))
{
modifiers |= KeyboardHookModifierKeys.Control;
}
if (modifiersString.ToUpperInvariant().Contains("SHIFT", StringComparison.InvariantCulture))
{
modifiers |= KeyboardHookModifierKeys.Shift;
}
if (modifiersString.ToUpperInvariant().Contains("WIN", StringComparison.InvariantCulture))
{
modifiers |= KeyboardHookModifierKeys.Win;
}
}
RegisterHotKey(modifiers, HotkeyControl.HotkeyFromString(Properties.Settings.Default.HotKey));
}
/// <summary>
/// Registers a hot key in the system.
/// </summary>
/// <param name="key">The key itself that is associated with the hot key.</param>
internal void RegisterHotKey(Key key)
{
uint keyModifiersNone = 0;
RegisterHotKey(keyModifiersNone, key);
RegisterHotKey((uint)modifiers, hotkey);
}
/// <summary>
@ -99,16 +54,6 @@ namespace SystemTrayMenu.Helpers
/// </summary>
/// <param name="modifier">The modifiers that are associated with the hot key.</param>
/// <param name="key">The key itself that is associated with the hot key.</param>
internal void RegisterHotKey(KeyboardHookModifierKeys modifier, Key key)
{
RegisterHotKey((uint)modifier, key);
}
private void Window_KeyPressed(object? sender, KeyPressedEventArgs e)
{
KeyPressed?.Invoke(this, e);
}
private void RegisterHotKey(uint modifier, Key key)
{
currentId += 1;
@ -127,7 +72,7 @@ namespace SystemTrayMenu.Helpers
{
private const int WmHotkey = 0x0312;
public event EventHandler<KeyPressedEventArgs>? KeyPressed;
public event Action<Key, ModifierKeys>? KeyPressed;
/// <summary>
/// Overridden to get the notifications.
@ -139,10 +84,10 @@ namespace SystemTrayMenu.Helpers
{
// get the keys.
Key key = (Key)(((int)lParam >> 16) & 0xFFFF);
KeyboardHookModifierKeys modifier = (KeyboardHookModifierKeys)((int)lParam & 0xFFFF);
ModifierKeys modifiers = (ModifierKeys)((int)lParam & 0xFFFF);
// invoke the event to notify the parent.
KeyPressed?.Invoke(this, new KeyPressedEventArgs(modifier, key));
KeyPressed?.Invoke(key, modifiers);
}
handled = false;

60
NativeDllImport/HotKey.cs
View file

@ -1,18 +1,18 @@
// <copyright file="HotKey.cs" company="PlaceholderCompany">
// Copyright (c) PlaceholderCompany. All rights reserved.
// </copyright>
namespace SystemTrayMenu.DllImports
{
using System;
// <copyright file="HotKey.cs" company="PlaceholderCompany">
// Copyright (c) PlaceholderCompany. All rights reserved.
// </copyright>
namespace SystemTrayMenu.DllImports
{
using System;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
using System.Text;
/// <summary>
/// wraps the methodcalls to native windows dll's.
/// </summary>
public static partial class NativeMethods
using System.Text;
/// <summary>
/// wraps the methodcalls to native windows dll's.
/// </summary>
public static partial class NativeMethods
{
internal static string GetLastErrorHint()
{
@ -26,26 +26,26 @@ namespace SystemTrayMenu.DllImports
};
}
[SupportedOSPlatform("windows")]
[DllImport("user32.dll", EntryPoint = "RegisterHotKey", SetLastError = true, CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Winapi)]
[DefaultDllImportSearchPaths(DllImportSearchPath.UserDirectories)]
[return: MarshalAs(UnmanagedType.Bool)]
[SupportedOSPlatform("windows")]
[DllImport("user32.dll", EntryPoint = "RegisterHotKey", SetLastError = true, CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Winapi)]
[DefaultDllImportSearchPaths(DllImportSearchPath.UserDirectories)]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool User32RegisterHotKey(IntPtr hWnd, int id, uint fsModifiers, uint virtualKeyCode);
[SupportedOSPlatform("windows")]
[DllImport("user32.dll", EntryPoint = "UnregisterHotKey", SetLastError = true, CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Winapi)]
[return: MarshalAs(UnmanagedType.Bool)]
[DefaultDllImportSearchPaths(DllImportSearchPath.UserDirectories)]
[SupportedOSPlatform("windows")]
[DllImport("user32.dll", EntryPoint = "UnregisterHotKey", SetLastError = true, CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Winapi)]
[return: MarshalAs(UnmanagedType.Bool)]
[DefaultDllImportSearchPaths(DllImportSearchPath.UserDirectories)]
internal static extern bool User32UnregisterHotKey(IntPtr hWnd, int id);
[SupportedOSPlatform("windows")]
[DllImport("user32.dll", EntryPoint = "MapVirtualKey", SetLastError = true, CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Winapi)]
[DefaultDllImportSearchPaths(DllImportSearchPath.UserDirectories)]
[SupportedOSPlatform("windows")]
[DllImport("user32.dll", EntryPoint = "MapVirtualKey", SetLastError = true, CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Winapi)]
[DefaultDllImportSearchPaths(DllImportSearchPath.UserDirectories)]
internal static extern uint User32MapVirtualKey(uint uCode, uint uMapType);
[SupportedOSPlatform("windows")]
[DllImport("user32.dll", EntryPoint = "GetKeyNameText", SetLastError = true, CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Winapi)]
[DefaultDllImportSearchPaths(DllImportSearchPath.UserDirectories)]
internal static extern int User32GetKeyNameText(uint lParam, [Out] StringBuilder lpString, int nSize);
}
}
[SupportedOSPlatform("windows")]
[DllImport("user32.dll", EntryPoint = "GetKeyNameText", SetLastError = true, CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Winapi)]
[DefaultDllImportSearchPaths(DllImportSearchPath.UserDirectories)]
internal static extern int User32GetKeyNameText(uint lParam, [Out] StringBuilder lpString, int nSize);
}
}

7
Utilities/SingleAppInstance.cs
View file

@ -24,8 +24,9 @@ namespace SystemTrayMenu.Utilities
{
if (Properties.Settings.Default.SendHotkeyInsteadKillOtherInstances)
{
ModifierKeys modifiers = HotkeyControl.HotkeyModifiersFromString(Properties.Settings.Default.HotKey);
Key hotkey = HotkeyControl.HotkeyFromString(Properties.Settings.Default.HotKey);
string hotKeyString = Properties.Settings.Default.HotKey;
ModifierKeys modifiers = HotkeyControl.HotkeyModifiersFromString(hotKeyString);
Key hotkey = HotkeyControl.HotkeyFromString(hotKeyString);
try
{
@ -62,7 +63,7 @@ namespace SystemTrayMenu.Utilities
}
catch (Exception ex)
{
Log.Warn($"Send hoktey {Properties.Settings.Default.HotKey} to other instance failed", ex);
Log.Warn($"Send hoktey {hotKeyString} to other instance failed", ex);
}
}
else