mirror of
https://github.com/ShareX/ShareX.git
synced 2024-10-05 20:54:31 +13:00
235 lines
No EOL
9.3 KiB
C#
235 lines
No EOL
9.3 KiB
C#
#region License Information (GPL v3)
|
|
|
|
/*
|
|
ShareX - A program that allows you to take screenshots and share any file type
|
|
Copyright (C) 2007-2015 ShareX Developers
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
Optionally you can also view the license at <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#endregion License Information (GPL v3)
|
|
|
|
using ShareX.HelpersLib;
|
|
using System;
|
|
using System.Drawing;
|
|
using System.Runtime.InteropServices;
|
|
|
|
namespace ShareX.UploadersLib
|
|
{
|
|
/// <summary>
|
|
/// Provides static methods to read system icons for both folders and files.
|
|
/// </summary>
|
|
/// <example>
|
|
/// <code>IconReader.GetFileIcon("c:\\general.xls");</code>
|
|
/// </example>
|
|
public class IconReader
|
|
{
|
|
/// <summary>
|
|
/// Options to specify the size of icons to return.
|
|
/// </summary>
|
|
public enum IconSize
|
|
{
|
|
/// <summary>
|
|
/// Specify large icon - 32 pixels by 32 pixels.
|
|
/// </summary>
|
|
Large = 0,
|
|
/// <summary>
|
|
/// Specify small icon - 16 pixels by 16 pixels.
|
|
/// </summary>
|
|
Small = 1
|
|
}
|
|
|
|
/// <summary>
|
|
/// Options to specify whether folders should be in the open or closed state.
|
|
/// </summary>
|
|
public enum FolderType
|
|
{
|
|
/// <summary>
|
|
/// Specify open folder.
|
|
/// </summary>
|
|
Open = 0,
|
|
/// <summary>
|
|
/// Specify closed folder.
|
|
/// </summary>
|
|
Closed = 1
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns an icon for a given file - indicated by the name parameter.
|
|
/// </summary>
|
|
/// <param name="name">Pathname for file.</param>
|
|
/// <param name="size">Large or small</param>
|
|
/// <param name="linkOverlay">Whether to include the link icon</param>
|
|
/// <returns>System.Drawing.Icon</returns>
|
|
public static Icon GetFileIcon(string name, IconSize size, bool linkOverlay)
|
|
{
|
|
uint flags = Shell32.SHGFI_ICON | Shell32.SHGFI_USEFILEATTRIBUTES;
|
|
|
|
if (linkOverlay) flags += Shell32.SHGFI_LINKOVERLAY;
|
|
|
|
if (IconSize.Small == size)
|
|
{
|
|
flags += Shell32.SHGFI_SMALLICON;
|
|
}
|
|
else
|
|
{
|
|
flags += Shell32.SHGFI_LARGEICON;
|
|
}
|
|
|
|
Shell32.SHFILEINFO shfi = new Shell32.SHFILEINFO();
|
|
Shell32.SHGetFileInfo(name, Shell32.FILE_ATTRIBUTE_NORMAL, ref shfi, (uint)Marshal.SizeOf(shfi), flags);
|
|
|
|
// Copy (clone) the returned icon to a new object, thus allowing us to clean-up properly
|
|
Icon icon = (Icon)Icon.FromHandle(shfi.hIcon).Clone();
|
|
NativeMethods.DestroyIcon(shfi.hIcon); // Cleanup
|
|
return icon;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Used to access system folder icons.
|
|
/// </summary>
|
|
/// <param name="size">Specify large or small icons.</param>
|
|
/// <param name="folderType">Specify open or closed FolderType.</param>
|
|
/// <returns>System.Drawing.Icon</returns>
|
|
public static Icon GetFolderIcon(IconSize size, FolderType folderType)
|
|
{
|
|
// Need to add size check, although errors generated at present!
|
|
uint flags = Shell32.SHGFI_ICON; // | Shell32.SHGFI_USEFILEATTRIBUTES;
|
|
|
|
if (FolderType.Open == folderType)
|
|
{
|
|
flags += Shell32.SHGFI_OPENICON;
|
|
}
|
|
|
|
if (IconSize.Small == size)
|
|
{
|
|
flags += Shell32.SHGFI_SMALLICON;
|
|
}
|
|
else
|
|
{
|
|
flags += Shell32.SHGFI_LARGEICON;
|
|
}
|
|
|
|
Shell32.SHFILEINFO shfi = new Shell32.SHFILEINFO();
|
|
Shell32.SHGetFileInfo(null, Shell32.FILE_ATTRIBUTE_DIRECTORY, ref shfi, (uint)Marshal.SizeOf(shfi), flags);
|
|
|
|
// Now clone the icon, so that it can be successfully stored in an ImageList
|
|
Icon icon = (Icon)Icon.FromHandle(shfi.hIcon).Clone();
|
|
|
|
NativeMethods.DestroyIcon(shfi.hIcon); // Cleanup
|
|
return icon;
|
|
}
|
|
|
|
public static string GetDisplayName(string name, bool isDirectory)
|
|
{
|
|
uint flags = Shell32.SHGFI_TYPENAME | Shell32.SHGFI_USEFILEATTRIBUTES;
|
|
Shell32.SHFILEINFO shfi = new Shell32.SHFILEINFO();
|
|
uint fileType = isDirectory ? Shell32.FILE_ATTRIBUTE_DIRECTORY : Shell32.FILE_ATTRIBUTE_NORMAL;
|
|
Shell32.SHGetFileInfo(name, fileType, ref shfi, (uint)Marshal.SizeOf(shfi), flags);
|
|
return shfi.szTypeName;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Wraps necessary Shell32.dll structures and functions required to retrieve Icon Handles using SHGetFileInfo. Code
|
|
/// courtesy of MSDN Cold Rooster Consulting case study.
|
|
/// </summary>
|
|
// This code has been left largely untouched from that in the CRC example. The main changes have been moving
|
|
// the icon reading code over to the IconReader type.
|
|
public class Shell32
|
|
{
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct SHITEMID
|
|
{
|
|
public ushort cb;
|
|
[MarshalAs(UnmanagedType.LPArray)]
|
|
public byte[] abID;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct ITEMIDLIST
|
|
{
|
|
public SHITEMID mkid;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct BROWSEINFO
|
|
{
|
|
public IntPtr hwndOwner;
|
|
public IntPtr pidlRoot;
|
|
public IntPtr pszDisplayName;
|
|
[MarshalAs(UnmanagedType.LPTStr)]
|
|
public string lpszTitle;
|
|
public uint ulFlags;
|
|
public IntPtr lpfn;
|
|
public int lParam;
|
|
public IntPtr iImage;
|
|
}
|
|
|
|
// Browsing for directory.
|
|
public const uint BIF_RETURNONLYFSDIRS = 0x0001;
|
|
public const uint BIF_DONTGOBELOWDOMAIN = 0x0002;
|
|
public const uint BIF_STATUSTEXT = 0x0004;
|
|
public const uint BIF_RETURNFSANCESTORS = 0x0008;
|
|
public const uint BIF_EDITBOX = 0x0010;
|
|
public const uint BIF_VALIDATE = 0x0020;
|
|
public const uint BIF_NEWDIALOGSTYLE = 0x0040;
|
|
public const uint BIF_USENEWUI = (BIF_NEWDIALOGSTYLE | BIF_EDITBOX);
|
|
public const uint BIF_BROWSEINCLUDEURLS = 0x0080;
|
|
public const uint BIF_BROWSEFORCOMPUTER = 0x1000;
|
|
public const uint BIF_BROWSEFORPRINTER = 0x2000;
|
|
public const uint BIF_BROWSEINCLUDEFILES = 0x4000;
|
|
public const uint BIF_SHAREABLE = 0x8000;
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct SHFILEINFO
|
|
{
|
|
public IntPtr hIcon;
|
|
public int iIcon;
|
|
public uint dwAttributes;
|
|
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
|
|
public string szDisplayName;
|
|
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 80)]
|
|
public string szTypeName;
|
|
}
|
|
|
|
public const uint SHGFI_ICON = 0x000000100; // get icon
|
|
public const uint SHGFI_DISPLAYNAME = 0x000000200; // get display name
|
|
public const uint SHGFI_TYPENAME = 0x000000400; // get type name
|
|
public const uint SHGFI_ATTRIBUTES = 0x000000800; // get attributes
|
|
public const uint SHGFI_ICONLOCATION = 0x000001000; // get icon location
|
|
public const uint SHGFI_EXETYPE = 0x000002000; // return exe type
|
|
public const uint SHGFI_SYSICONINDEX = 0x000004000; // get system icon index
|
|
public const uint SHGFI_LINKOVERLAY = 0x000008000; // put a link overlay on icon
|
|
public const uint SHGFI_SELECTED = 0x000010000; // show icon in selected state
|
|
public const uint SHGFI_ATTR_SPECIFIED = 0x000020000; // get only specified attributes
|
|
public const uint SHGFI_LARGEICON = 0x000000000; // get large icon
|
|
public const uint SHGFI_SMALLICON = 0x000000001; // get small icon
|
|
public const uint SHGFI_OPENICON = 0x000000002; // get open icon
|
|
public const uint SHGFI_SHELLICONSIZE = 0x000000004; // get shell size icon
|
|
public const uint SHGFI_PIDL = 0x000000008; // pszPath is a pidl
|
|
public const uint SHGFI_USEFILEATTRIBUTES = 0x000000010; // use passed dwFileAttribute
|
|
public const uint SHGFI_ADDOVERLAYS = 0x000000020; // apply the appropriate overlays
|
|
public const uint SHGFI_OVERLAYINDEX = 0x000000040; // Get the index of the overlay
|
|
|
|
public const uint FILE_ATTRIBUTE_DIRECTORY = 0x00000010;
|
|
public const uint FILE_ATTRIBUTE_NORMAL = 0x00000080;
|
|
|
|
[DllImport("shell32.dll")]
|
|
public static extern IntPtr SHGetFileInfo(string pszPath, uint dwFileAttributes, ref SHFILEINFO psfi, uint cbFileInfo, uint uFlags);
|
|
}
|
|
} |