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/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2021 Dominik Reichl <dominik.reichl@t-online.de>
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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Reflection;
using System.Text;
using System.Windows.Forms;
using KeePassLib;
using KeePassLib.Native;
namespace KeePass.Util
{
public static partial class ClipboardUtil
{
// https://sourceforge.net/p/keepass/patches/84/
// https://sourceforge.net/p/keepass/patches/85/
private const AppRunFlags XSelFlags = (AppRunFlags.GetStdOutput |
AppRunFlags.GCKeepAlive | AppRunFlags.DoEvents |
AppRunFlags.DisableForms);
private static string GetStringM()
{
// string strGtk = GtkGetString();
// if(strGtk != null) return strGtk;
return (NativeLib.RunConsoleApp("pbpaste", "-pboard general") ??
string.Empty);
}
private static void SetStringM(string str)
{
// if(GtkSetString(str)) return;
NativeLib.RunConsoleApp("pbcopy", "-pboard general", str);
}
private static string GetStringU()
{
// string strGtk = GtkGetString();
// if(strGtk != null) return strGtk;
// string str = NativeLib.RunConsoleApp("xclip",
// "-out -selection clipboard");
// if(str != null) return str;
string str = NativeLib.RunConsoleApp("xsel",
"--output --clipboard", null, XSelFlags);
if(str != null) return str;
if(Clipboard.ContainsText())
return (Clipboard.GetText() ?? string.Empty);
return string.Empty;
}
private static void SetStringU(string str)
{
// if(GtkSetString(str)) return;
// string r = NativeLib.RunConsoleApp("xclip",
// "-in -selection clipboard", str);
// if(r != null) return;
if(string.IsNullOrEmpty(str))
{
// xsel with an empty input can hang, thus use --clear
if(NativeLib.RunConsoleApp("xsel", "--clear --primary",
null, XSelFlags) != null)
{
NativeLib.RunConsoleApp("xsel", "--clear --clipboard",
null, XSelFlags);
return;
}
try { Clipboard.Clear(); }
catch(Exception) { Debug.Assert(false); }
return;
}
// xsel does not support --primary and --clipboard together
if(NativeLib.RunConsoleApp("xsel", "--input --primary",
str, XSelFlags) != null)
{
NativeLib.RunConsoleApp("xsel", "--input --clipboard",
str, XSelFlags);
return;
}
try { Clipboard.SetText(str); }
catch(Exception) { Debug.Assert(false); }
}
/* private static bool GtkGetClipboard(out Type t, out object o)
{
t = null;
o = null;
try
{
Assembly asmGdk = KeePass.Native.NativeMethods.LoadAssembly(
"gdk-sharp", "gdk-sharp.dll");
if(asmGdk == null) return false;
Assembly asmGtk = KeePass.Native.NativeMethods.LoadAssembly(
"gtk-sharp", "gtk-sharp.dll");
if(asmGtk == null) return false;
if(!KeePass.Native.NativeMethods.GtkEnsureInit()) return false;
Type tAtom = asmGdk.GetType("Gdk.Atom", true);
MethodInfo miAtomIntern = tAtom.GetMethod("Intern",
BindingFlags.Public | BindingFlags.Static);
if(miAtomIntern == null) { Debug.Assert(false); return false; }
object oAtomClip = miAtomIntern.Invoke(null, new object[] {
"CLIPBOARD", false });
if(oAtomClip == null) { Debug.Assert(false); return false; }
t = asmGtk.GetType("Gtk.Clipboard", true);
MethodInfo miClipboardGet = t.GetMethod("Get",
BindingFlags.Public | BindingFlags.Static);
if(miClipboardGet == null) { Debug.Assert(false); return false; }
o = miClipboardGet.Invoke(null, new object[] { oAtomClip });
if(o == null) { Debug.Assert(false); return false; }
return true;
}
catch(Exception) { Debug.Assert(false); }
return false;
}
private static string GtkGetString()
{
Type t;
object o;
if(!GtkGetClipboard(out t, out o)) return null;
try
{
MethodInfo miTest = t.GetMethod("WaitIsTextAvailable",
BindingFlags.Public | BindingFlags.Instance);
if(miTest == null) { Debug.Assert(false); return null; }
bool bText = (bool)miTest.Invoke(o, null);
if(!bText) return string.Empty;
MethodInfo miGet = t.GetMethod("WaitForText",
BindingFlags.Public | BindingFlags.Instance);
if(miGet == null) { Debug.Assert(false); return null; }
return (miGet.Invoke(o, null) as string);
}
catch(Exception) { Debug.Assert(false); }
return null;
}
private static bool GtkSetString(string str)
{
Type t;
object o;
if(!GtkGetClipboard(out t, out o)) return false;
try
{
MethodInfo miClear = t.GetMethod("Clear", BindingFlags.Public |
BindingFlags.Instance);
miClear.Invoke(o, null);
PropertyInfo piText = t.GetProperty("Text", BindingFlags.Public |
BindingFlags.Instance);
piText.SetValue(o, (str ?? string.Empty), null);
// Prevent deadlock when pasting in own window
MethodInfo miStore = t.GetMethod("Store", BindingFlags.Public |
BindingFlags.Instance);
miStore.Invoke(o, null);
return true;
}
catch(Exception) { Debug.Assert(false); }
return false;
} */
}
}
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