|
0
|
1 using System;
|
|
|
2 using System.Collections.Generic;
|
|
|
3 using System.ComponentModel;
|
|
|
4 using System.IO;
|
|
|
5 using System.Linq;
|
|
|
6
|
|
|
7 namespace ShortcutKeyFinder
|
|
|
8 {
|
|
|
9 /// <summary>Class to find all shortcuts that have hotkeys assigned</summary>
|
|
|
10 /// <remarks>As far as I can tell, Windows only looks for shortcut hotkeys in the Start Menu and on the Desktop. So this class does as well.</remarks>
|
|
|
11 class ShortcutKeyFinder
|
|
|
12 {
|
|
|
13 private bool _showAll;
|
|
|
14 private List<Shortcut> _allShortcuts = new List<Shortcut>(); // List to hold all the shortcuts we find, regardless of whether they have hotkeys
|
|
|
15
|
|
|
16 /// <summary>List of all shortcuts found in the search locations</summary>
|
|
|
17 /// <remarks>If <see cref="ShowAll"/> is true, shortcuts without assigned hotkeys are included</remarks>
|
|
|
18 public BindingList<Shortcut> Shortcuts { get; private set; }
|
|
|
19
|
|
|
20 /// <summary>Indicates whether to include shortcuts without assigned hotkeys in the list of <see cref="Shortcuts"/></summary>
|
|
|
21 public bool ShowAll
|
|
|
22 {
|
|
|
23 get { return _showAll; }
|
|
|
24 set
|
|
|
25 {
|
|
|
26 _showAll = value;
|
|
|
27 UpdateShortcutList();
|
|
|
28 }
|
|
|
29 }
|
|
|
30
|
|
|
31 /// <summary>Constructor</summary>
|
|
|
32 public ShortcutKeyFinder()
|
|
|
33 {
|
|
|
34 Shortcuts = new BindingList<Shortcut>();
|
|
|
35 }
|
|
|
36
|
|
|
37 /// <summary>Scans the search locations for shortcut files</summary>
|
|
|
38 /// <param name="Admin">Whether to consider shortcuts owned by all users as read-only</param>
|
|
|
39 public void LoadShortcuts(bool Admin = false)
|
|
|
40 {
|
|
|
41 // Reset the master list and rescan the search directories
|
|
|
42 _allShortcuts.Clear();
|
|
|
43 LoadShortcuts(Environment.GetFolderPath(Environment.SpecialFolder.StartMenu), false);
|
|
|
44 LoadShortcuts(Environment.GetFolderPath(Environment.SpecialFolder.CommonStartMenu), !Admin);
|
|
|
45 LoadShortcuts(Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory), false);
|
|
|
46 LoadShortcuts(Environment.GetFolderPath(Environment.SpecialFolder.CommonDesktopDirectory), !Admin);
|
|
|
47 // Update the public list with what we found
|
|
|
48 UpdateShortcutList();
|
|
|
49 }
|
|
|
50
|
|
|
51 /// <summary>Recursively scans a directory shortcut files</summary>
|
|
|
52 /// <param name="path">Directory to scan</param>
|
|
|
53 /// <param name="readOnly">Whether to consider the found shortcuts as read-only</param>
|
|
|
54 /// <remarks>The <paramref name="readOnly"/> parameter exists for speed, to avoid checking permissions on every file. Good enough for our purposes.</remarks>
|
|
|
55 private void LoadShortcuts(string path, bool readOnly)
|
|
|
56 {
|
|
|
57 try
|
|
|
58 {
|
|
|
59 foreach (string lnk in Directory.EnumerateFiles(path, "*.lnk", SearchOption.AllDirectories))
|
|
|
60 _allShortcuts.Add(new Shortcut(lnk) { ReadOnly = readOnly });
|
|
|
61 }
|
|
|
62 catch { } // Silently ignore access denied errors, likely nothing the user can do about it anyway
|
|
|
63 }
|
|
|
64
|
|
|
65 /// <summary>Updates the public list of <see cref="Shortcuts"/> with the results of the most recent scan</summary>
|
|
|
66 private void UpdateShortcutList()
|
|
|
67 {
|
|
|
68 // Remove event handlers while we're manipulating the list
|
|
|
69 Shortcuts.ListChanged -= Shortcuts_ListChanged;
|
|
|
70
|
|
|
71 // Reset the list and add all appropriate shortcuts based on the current value of ShowAll
|
|
|
72 Shortcuts.Clear();
|
|
|
73 foreach (Shortcut shortcut in _allShortcuts)
|
|
|
74 if (shortcut.Hotkey != null || _showAll)
|
|
|
75 Shortcuts.Add(shortcut);
|
|
|
76
|
|
|
77 // Go through the list and look for duplicates
|
|
|
78 FindDuplicateShortcuts();
|
|
|
79
|
|
|
80 // Re-add event handlers
|
|
|
81 Shortcuts.ListChanged += Shortcuts_ListChanged;
|
|
|
82 }
|
|
|
83
|
|
|
84 /// <summary>Triggers a search for duplicate shortcuts when one of the shortcuts changes</summary>
|
|
|
85 void Shortcuts_ListChanged(object sender, ListChangedEventArgs e)
|
|
|
86 {
|
|
|
87 FindDuplicateShortcuts();
|
|
|
88 }
|
|
|
89
|
|
|
90 /// <summary>Scans for shortcuts that have duplicate hotkeys</summary>
|
|
|
91 private void FindDuplicateShortcuts()
|
|
|
92 {
|
|
|
93 Shortcuts.GroupBy(shortcut => shortcut.Hotkey).ToList().ForEach(group => group.ToList().ForEach(shortcut => shortcut.HasDuplicateHotkey = group.Count() > 1 && group.Key != null));
|
|
|
94 }
|
|
|
95 }
|
|
|
96 }
|
