sean-m
/
Vanara
mirror of https://github.com/dahall/Vanara.git
1
0
Fork 0
Code Issues Releases Wiki Activity

Added further functionality to ShellContextMenu (#178)

pull/187/head
dahall 2020-11-29 10:20:28 -07:00
parent bffb95b78d
commit c3a63c8c1b
2 changed files with 48 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
UnitTests/Windows.Shell/ShellContextMenuTests.cs Normal file
View File

@ -0,0 +1,32 @@
using NUnit.Framework;
using System;
using System.Runtime.InteropServices;
using System.Text;
using Vanara.InteropServices;
using Vanara.PInvoke;
using Vanara.PInvoke.Tests;
using static Vanara.PInvoke.Shell32;
using static Vanara.PInvoke.User32;
namespace Vanara.Windows.Shell.Tests
{
[TestFixture]
public class ShellContextMenuTests
{
[Test]
public void CreateTest()
{
using var menu = new ShellContextMenu(new ShellItem(TestCaseSources.WordDoc));
var items = menu.GetItems();
for (var i = 0; i < items.Length; i++)
ShowMII(items[i], i);
static void ShowMII(ShellContextMenu.MenuItemInfo mii, int c, int indent = 0)
{
TestContext.WriteLine($"{new string(' ', indent * 3)}{c + 1}) \"{mii.Text}\" (#{mii.Id}) - Type={mii.Type}; State={mii.State}; Verb={mii.Verb}; Tooltip={mii.HelpText}; IconLoc={mii.VerbIconLocation}");
for (int j = 0; j < mii.SubMenus.Length; j++)
ShowMII(mii.SubMenus[j], j, indent + 1);
}
}
}
}

31
Windows.Shell/ShellObjects/ShellContextMenu.cs
View File

@ -38,7 +38,7 @@ namespace Vanara.Windows.Shell
/// </remarks>
public class ShellContextMenu : IDisposable
{
private const int m_CmdFirst = 0x8000;
internal const int m_CmdFirst = 0x8000;
private readonly IContextMenu2 m_ComInterface2;
private readonly IContextMenu3 m_ComInterface3;
private readonly MessageWindow m_MessageWindow;
@ -107,7 +107,7 @@ namespace Vanara.Windows.Shell
/// <summary>Gets the icon location for a specified command.</summary>
/// <param name="command">The menu command identifier offset.</param>
/// <returns>The icon location if available; otherwise <see langword="null"/>.</returns>
public IconLocation GetIconLocationForCommand(int command) => IconLocation.TryParse(GetCommandString(command, GCS.GCS_VERBICONW), out var l) ? l : null;
public string GetVerbIconLocationForCommand(int command) => GetCommandString(command, GCS.GCS_VERBICONW);
/// <summary>Gets the verb for a specified command.</summary>
/// <param name="command">The menu command identifier offset.</param>
@ -322,10 +322,10 @@ namespace Vanara.Windows.Shell
}
}
private string GetCommandString(ResourceId command, GCS stringType)
private string GetCommandString(int command, GCS stringType)
{
using var mStr = new SafeCoTaskMemString(4096);
try { ComInterface.GetCommandString(command, stringType, default, mStr, mStr.Size / 2U); }
try { ComInterface.GetCommandString((IntPtr)command, stringType, default, mStr, mStr.Size / 2U).ThrowIfFailed(); }
catch { return null; }
return mStr.ToString();
}
@ -402,7 +402,7 @@ namespace Vanara.Windows.Shell
/// <summary>Provides information about a single menu entry discovered in a native menu.</summary>
public class MenuItemInfo
{
internal MenuItemInfo(HMENU hMenu, uint idx)
internal MenuItemInfo(HMENU hMenu, uint idx, ShellContextMenu scm)
{
using var strmem = new SafeHGlobalHandle(512);
var mii = new MENUITEMINFO
@ -414,12 +414,12 @@ namespace Vanara.Windows.Shell
cch = strmem.Size / (uint)StringHelper.GetCharSize()
};
Win32Error.ThrowLastErrorIfFalse(GetMenuItemInfo(hMenu, idx, true, ref mii));
Id = unchecked((int)mii.wID);
Id = unchecked((int)(mii.wID - m_CmdFirst));
Text = mii.fType.IsFlagSet(MenuItemType.MFT_SEPARATOR) ? "-" : mii.fType.IsFlagSet(MenuItemType.MFT_STRING) ? strmem.ToString(-1, CharSet.Auto) : "";
Type = mii.fType;
State = mii.fState;
BitmapHandle = mii.hbmpItem;
SubMenus = GetMenuItems(mii.hSubMenu);
SubMenus = GetMenuItems(mii.hSubMenu, scm);
}
/// <summary>
@ -482,9 +482,6 @@ namespace Vanara.Windows.Shell
/// <summary>Gets the help text (tool tip) associated with the menu.</summary>
public string HelpText { get; internal set; }
/// <summary>Gets the icon location associated with the menu's image.</summary>
public IconLocation IconLocation { get; internal set; }
/// <summary>An application-defined value that identifies the menu item.</summary>
public int Id { get; }
@ -509,6 +506,9 @@ namespace Vanara.Windows.Shell
/// <summary>Gets the verb associated with the menu.</summary>
public string Verb { get; internal set; }
/// <summary>Gets the icon location associated with the menu's image.</summary>
public string VerbIconLocation { get; internal set; }
/// <summary>Recursively gets the information for all menu item entries supplied by the provided native menu.</summary>
/// <param name="hMenu">The handle to the created native menu.</param>
/// <returns>An array of <see cref="MenuItemInfo"/> instances with information about the entries in <paramref name="hMenu"/>.</returns>
@ -522,12 +522,13 @@ namespace Vanara.Windows.Shell
var SubMenus = new MenuItemInfo[GetMenuItemCount(hMenu)];
for (uint i = 0; i < SubMenus.Length; i++)
{
SubMenus[i] = new MenuItemInfo(hMenu, i);
if (scm != null)
SubMenus[i] = new MenuItemInfo(hMenu, i, scm);
if (scm != null && SubMenus[i].Type.IsFlagSet(MenuItemType.MFT_STRING))
{
SubMenus[i].Verb = scm.GetVerbForCommand(SubMenus[i].Id);
SubMenus[i].HelpText = scm.GetHelpTextForCommand(SubMenus[i].Id);
SubMenus[i].IconLocation = scm.GetIconLocationForCommand(SubMenus[i].Id);
var id = SubMenus[i].Id;
SubMenus[i].Verb = scm.GetVerbForCommand(id);
SubMenus[i].HelpText = scm.GetHelpTextForCommand(id);
SubMenus[i].VerbIconLocation = scm.GetVerbIconLocationForCommand(id);
}
}
return SubMenus;