81 lines
2.7 KiB
C#
81 lines
2.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Windows.Input;
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namespace RainmeterStudio.Core.Utils
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{
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/// <summary>
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/// Helper methods for key gestures
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/// </summary>
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public static class InputHelper
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{
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/// <summary>
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/// Converts a key gesture into its string representation
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/// </summary>
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/// <param name="gesture">Key gesture</param>
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/// <returns>The string representation</returns>
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public static string ConvertToString(this KeyGesture gesture)
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{
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// Safety check
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if (gesture == null)
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return null;
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// Build string
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string text = String.Empty;
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if ((gesture.Modifiers & ModifierKeys.Windows) != 0)
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text += "Win+";
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if ((gesture.Modifiers & ModifierKeys.Control) != 0)
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text += "Ctrl+";
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if ((gesture.Modifiers & ModifierKeys.Alt) != 0)
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text += "Alt+";
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if ((gesture.Modifiers & ModifierKeys.Shift) != 0)
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text += "Shift+";
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text += Enum.GetName(typeof(Key), gesture.Key);
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return text;
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}
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/// <summary>
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/// Obtains a key gesture from a string representation
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/// </summary>
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/// <param name="keyGesture">The key gesture string</param>
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/// <returns>A key gesture object</returns>
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public static KeyGesture GetKeyGesture(string keyGesture)
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{
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// Safety check
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if (keyGesture == null)
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return null;
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// Variables
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ModifierKeys mods = ModifierKeys.None;
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Key key = Key.None;
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// Parse each field
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foreach (var field in keyGesture.Split('+'))
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{
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// Trim surrounding white space
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string trimmed = field.Trim();
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// Parse
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if (trimmed.Equals("Win", StringComparison.InvariantCultureIgnoreCase))
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mods |= ModifierKeys.Windows;
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if (trimmed.Equals("Ctrl", StringComparison.InvariantCultureIgnoreCase))
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mods |= ModifierKeys.Control;
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if (trimmed.Equals("Alt", StringComparison.InvariantCultureIgnoreCase))
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mods |= ModifierKeys.Alt;
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if (trimmed.Equals("Shift", StringComparison.InvariantCultureIgnoreCase))
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mods |= ModifierKeys.Shift;
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else Enum.TryParse<Key>(field, out key);
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}
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return new KeyGesture(key, mods);
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}
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}
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}
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